China Suppliers
Recently, milk and dairy products Food Additives Issue has aroused widespread attention, many people even talk about milk discoloration. So in the end what is prohibited to milk and dairy products, and market all kinds of milk and dairy products should be how to distinguish, if selected for own?
Expert support: Liaoning Province, Shenyang Normal University, Dairy Food Association expert Associate Professor FAAS determination of Cu
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antibacterial liquid soap
Milk Analysis of the nutritional value of
First, we need to drink milk out of fear of the error. Milk is not only rich and well-balanced nutrition, it contains protein, lactose, minerals, dietary fiber, fat, etc. outside the human body than all the nutrients needed for its high nutritional value, is unmatched by other foods, and breast milk is the addition The most easily absorbed than the full nutritional food. It is worth mentioning that the type of milk is very rich in minerals, phosphorus, iron, zinc, copper, manganese, molybdenum, the milk is rich in calcium content and calcium to phosphorus ratio is appropriate, beneficial to the absorption of calcium can be said to drink milk is the best way of calcium. Moreover, calcium, iron and vitamin A are the people generally lack the nutrients and milk contain.
Milk as a natural food rich in nutrients, which in itself is innocent. Therefore, milk the drink, or drink, and China should promote a normal adult daily intake of 300 grams of milk, for those people who likes to drink milk, drink one day more than 1000 ml of milk should be absolutely safe.
Functional milk special groups to be used with caution
Present, there is a common milk and dairy products can be classified into the following categories: liquid milk, Yogurt , Milk powder, condensed milk, cheese and so on.
Our regular contact with the "XX pure milk", "XX fresh milk", "XX pure fresh milk", "XX high-calcium milk", "XX flavored milk," are all liquid milk category. Among them, the pure milk and fresh milk or fresh milk in principle, are without any additives, a small number of manufacturers will add some Thickener , But they are in the country to the extent permitted, not cause harm.
And fruit milk, high calcium milk is pure milk and other derivatives, which are in pure milk flavor by adding some food, Juice (Fruit), nutrient supplement such as: calcium, iron, zinc, vitamins and so on. Also, there are functional milk, such as Colostrum As well as enhance immunity, beneficial brain development, promoting the growth of other nutrients in milk.
To note that these functional milk, special populations need to carefully selected according to their own circumstances. Such as colostrum, some people will be very easy to drink allergies, because they protein allergy. The current controversy added some great functionality for milk growth factor, which applies to those in the growth and development of the people, for adults, even if the drink will not play any major role. Notes on selection of liquid milk
Variety of dairy products currently on the market, Package Was varied, which we choose to milk their products is confused. What do we need to pay attention to?
In fact, the most intuitive way to select the liquid milk is to look at the nutritional content of the package indicated the protein content of the table. If the protein content of greater than or equal to 3%, that is pure milk; if greater than equal to 1%, then only one third of the content of pure milk; if greater than or equal 0.6% content of pure milk or just milk is rarely Beverages .
Consumers need to pay attention, do not be businessmen definition interchange "Fudge", and lactic acid bacteria such as lactobacillus drinks and milk drinks is completely not the same thing. In addition, the milk is fast moving consumer goods in the shortest period of time to drink sooner the better.
In addition, the purchase of milk products, the best choice for brand recognition and identification instructions complete, detailed product, not to be confused with other beverages, special attention to whether the production date and shelf life, pay attention to different types, different packaging products, their durability and preservation methods are not the same, if the preservation methods are inappropriate or packaging expansion, when damage is best not to buy.
Wednesday, June 9, 2010
Functional milk is not suitable for everyone - milk, functional milk - Food Industry
2009 Lighting Aspect: new trends in nine major trend analysis
China Suppliers
Decorate the room light is an indispensable element, in the coming new year, feature segments, respect for nature and more of the combination will give us a more novel experience. We summed up the 2009 lighting of the nine trends.
A functional breakdown
It is no longer just content with the lamp lighting functions, for use in a variety of lighting requirements came into being. Student lamp, writing lights, emergency lights, fluorescent, Rays lights, dinner lights, floor lamps, etc. of different heights new filed one after another.
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Second, modeling luxury
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High-grade office buildings, luxury hotels, restaurants and other public facilities, decorative lamps increasingly luxurious, high-grade. Magnificent high-end chandeliers, very lovely crystal table lamp, full of elegant Italian white lotus lamp, cold looking lamp, Moroccan mirror lights, adding to people's lives more interesting.
Third, respect for nature
Meet people return to nature, respect for nature's psychology, according to surveys, 30% of the lighting used naturalized design, such as plum blossom lamp, tail lamp, lamp Peach, horses and other small animal shaped lamp, using a variety of wood art sculpture, no less than the real craft. Shade Selection widely used paper, wood, Sha Zhi, carved out of the Moon, goddess and other designs, the combination of art and utility.
4, color-rich
Today, rich lighting market and the lives of synchronization, multi-Phi "colorful" coat, a red maple leaf, natural blue, yellow coral, plants and green colors, look elegant, warm.
5, combination
The lighting is combined with the daily routine fashion trends, such as the ceiling fan lights, Yuan Jing lights, flashlight yellow lights.
6, high technology
As electronic technology has been widely used in the manufacture of lamps, adapted to different voltages, adjustable brightness multiplied the third generation of lighting. No strobes, three kinds of wavelength tunable light chromatography, infrared radiation can have red lights, the lamps to protect visual function also took the market.
7, multifunctional
If charged lamp, table lamp with a music box, there is a bedside lamp doubles as a photosensitive phone controlled lights, night indirect call, the light will automatically light up, hang up the call is completed after about 50 seconds delay can automatically go out. The daytime access, phone calls, light will not light up. This set a variety of functions in one light metal material, very consistent with the current consumption trend.
8, energy conservation
Energy-saving lamps are very popular amongst consumers. Longevity and energy-saving lamps such as the use of 3LED core power, the brightness can be selected. Meanwhile, the extensive use of new energy-saving light bulb technology has become the mainstream lighting products.
9, environmental protection,
Environmental protection is a new topic lamp production technology, show people the importance of the indoor living environment, the people who think this is the future of home lighting in the main direction of development. Beijing produced an odor repellent lamp, using natural detoxification enzyme sub-stinking technology, not only to maintain indoor, bathroom, kitchen air fresh, but also full of interesting art form, we will become the family's new favorite lamp .
Energy-saving light bulbs do not sell 50 million to buy patents
China Suppliers
Sophomore boys invent energy-saving bulbs do not sell 50 million to buy patents
Cock
Hot bulb growth-promoting patent
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He graduated from Sichuan Normal University Business English stroke Hao Wang, born in Neijiang Weiyuan a literary family home, her mother is a math teacher, his father taught in the schools, physical, chemical, computer, etc. Perhaps influenced by their families, Wang Hao childhood stroke particularly like studying a variety of popular science knowledge, particularly home appliances like the hands-on practice for all kinds of "research", Small to your video games, large color TV, refrigerator, he will regardless of the three 7 21 split the first say. Son at home to face the destructive "research", in addition to support for parents, but also to his son took a fitting nickname?? "Pohuaizhiwang."
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LED energy saving lamp recalls the original purpose of the invention, Wang Hao admitted stroke by accident, he read in the eleventh grade in a light bulb suddenly at home
However bad, on the mother bulb will replace a broken hand been hot when to, when Wang Hao on the stroke curious: "Why should the hot light bulb? If you do not save much energy the hot is not it?" So He began to collect all relevant information, decided to design an energy-saving LED lights.
As Wang Hao was just a high school stroke, common sense and not understand a lot of the circuit can only be busy learning to consult teachers and parents. Through continuous improvement and improved, and finally succeeded in developing the LED energy saving lamps. He said he used LED light-emitting characteristics, will be completely transformed into light energy, one to avoid the traditional light bulb in terms of waste heat, 2 to use LED lamps are not added after the toxic gas, while production of light bulbs with plastic explosive can avoid the shortcomings of traditional fragile glass.
After application, Wang Hao stroke in July of this year was the utility model patent. Provincial Electronic Products Supervision, Inspection and test report issued, LED energy saving lamp at rated voltage and rated power to work, their actual power consumption of only 2.1 watts, much higher than ordinary light bulbs to energy saving.
Own business
Make tens of thousands on the loan before
After the entrance, Wang Hao stroke, encouraged by his family founded in Chengdu Dengfeng energy saving lamp factory, invested early and set up factories by 50 million, then all costs plus a 900,000 yuan in total investment was up to the smooth functioning of factories, In order to set up factories to raise the 900,000 investment funds, family not only took out all the savings through to borrow money, shares, loans, etc. barely got enough full cost. To save funds, 150-square-meter factory is located in the Wen River. Currently there are 18 factory assembly production workers on a piecework basis, a light bulb every assembled piece rate of 1.5 dollars? 4.5 per. "The same incandescent light commercial electricity prices for 2 years, than to use more energy-saving lamps LED full 565 yuan, but only a light bulb can save so much electricity!" King Pump House, at present a power consumption of 2 watts The LED energy saving lamps, its luminance is equivalent to the ordinary energy-saving lamps of 11 watts, if by a comparison of incandescent light bulbs is the equivalent of 45 watts.
From the cost point of view, an LED energy-saving lamps in accordance with the frequency of use 12 hours a day to use for 2 years, the total power consumption is only 17.52 degrees, electricity is only 9.46 yuan. But the family for 2 years with ordinary incandescent electricity will need to 512.86 yuan, if the commercial power up to 591.3 yuan.
Now, Wang Hao pump energy-saving lamp factory has been sold nationwide, an average of 100,000 per month can sell energy-saving lamps, except at the cost and the cost of workers, the factory can net several million per month. However, as most of the money earned for the return of loans, Hao Wang stroke continued efforts to promote its energy-saving lamp business.
Spotted business opportunities
Movable while politely decline 50,000,000
"Beijing Institute of send me a conversion to patents (co-) informed, when they say 50 million to buy out my patent, it does make me hesitate a long time." Pump Hao Wang said the other offer for 50 million yuan to purchase his The patent, which is indeed a working families have a great temptation, but because of the LED energy-saving lamps "Money King" is very good, so family discussion, he gave up such a rich opportunity.
Turning to the achievements of self-reliance stroke Wang Hao was very proud, he said early in order to make our factories into standardized management, both in his university courses while also working hard to learn marketing, financial accounting and other practical skills. Wang Hao said that the current stroke his main clients are hotels, restaurants, etc., he said, the map can be found large and small business have more than 200 hotels, the average hotel can use the 6000 energy-saving lamps, the market " Money King "is considerable. Give up the temptation of large sums of money 50 million, but Wang Hao did not regret stroke, in addition to believe the patented "money scene" unlimited, and he also feels this is the best workout of their own.
Energy companies scramble for 80 billion yuan garbage power market - waste incineration power generation, Energy - Electric Industry
China Suppliers
Click to see more exciting information
Although waste incineration power generation projects frequently triggered mass conflict Energy The company's investment enthusiasm remains unabated.
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Last week, the Inner Mongolia Energy Co., Ltd. invested 386 million yuan Pratt, in Baotou city broke ground on construction of garbage power plant. Earlier, the China Everbright International (00257.HK) about 900 million yuan investment in Jinan City, the construction of a second Solid Waste Treatment Plant energy project also announced construction.
electric chain hoists
Listed companies involved in waste incineration power generation earlier TEDA share (000652.SZ) investment in higher spirits. The company won the bid last year, the Dalian municipal solid waste incineration power generation projects are progressing steadily.
Input could solve pollution From 2001, TEDA shares started to intervene in garbage incineration power generation projects. As a local listed company in Tianjin, TEDA share the first item selected dual port incineration plant in Tianjin. That total investment of 5.4 billion, completed in October 2004.
The end of 2008, two power plants in Hong Kong and garbage harmless disposal garbage accumulated 400 thousand tons, 129 million degrees to achieve power generation, Internet power 108 million degrees. As the project proceeds well, decided to share TEDA Other Urban layout. Last year in June, TEDA share to total investment of 657 million yuan bid for Dalian Solid Waste Incineration City Center project. TEDA shares previously general manager of Wushu Tong
accept the "First Financial Daily" interview that the disposal of several ways, the most advantage of waste incineration power generation, because without any pre-processing residue after burning only the original waste 10% to 15%.
But the company must face a difficult problem?? How to solve the waste incineration process 2! F England. For waste incineration process, there is a big country differences. According to Mao Ping, SW analysts, the composition of domestic solid waste, food waste accounts for more than 50%, due to the higher water content, low caloric value, a variety of toxic gases produced by burning currently unable to accurately measure and control burning all around the project forward by people opposed.
"Burning power generation, if the input is large enough, will not produce pollution." Additional resources (000826.SZ) Marketing Department official told a newspaper, if put too much of our investments may lose money.
TEDA share resources Hop plus listed companies involved in waste generation in the field the largest two. The difference is that TEDA share operating power projects, after completion, while the co-construction of additional resources currently provide engineering equipment integration, does not operate after the completion of garbage power generation project.
Present, incineration process is divided into fluidized bed, grate furnace of two industry pros and cons of these two technologies controversial. "Both technologies have their advantages and disadvantages." Additional resources to co-head of marketing, said the above.
Grate furnace process is basically the cost per ton of waste less than 100, but easy to produce large amounts of toxic gases two! F English; grate furnace per ton of garbage costs 150 yuan, though a greater degree avoid two! f-British production, but more complex control system, burning more stringent pre-treatment requirements.
Canadian resources company that should not promote the use of fluidized bed grate furnaces to increase waste combustion efficiency, which on the classification proposed strict requirements.
"From the current run of circulating fluidized bed waste incinerator of view, the usual burning conditions are good, two! F British grate furnace lower than the original production." Universal Energy of Beijing Branch Environmental protection Co., Ltd.
Tuesday, June 8, 2010
In the purchase should pay attention to elements of the projector - the projector, optional - video network of industry
China Suppliers
With Projection Technology matures and prices constantly low Projector The figure has appeared in major public places, such as computer rooms, conference rooms and other activities, learning, entertainment and so on. China Projector Market, now is the brand of a large and messy, and recruit more black market, it is easy to accidentally fooled, and if something is because there is no detailed identification of defective products, or buy the projector unit does not meet the application requirements that a big loser. So how to ensure their value for money buy the projector, it becomes a topic of great concern to you the buyer.
Machine model, attention should be focused Department
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Genuine projector box, the generally QCPASS signs, so buy the projector should look for whether there is the logo box. Open the box, the machine should be carefully tested the projector body type, to determine whether the designated market area product model. In different Sell Region, the projector is not the same product model, you may want to phone the brand projector local authorized service center, or directly projector manufacturer to inquire about sales in the region of projector product model. If you check that your projector model is inconsistent with the local market model, then buy back the projector features may not be fully utilized, can not even work properly. In addition, each projector genuine, the only global body has a code, you can call yourself to confirm the serial number to buy the projector is within the scope of the genuine.
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Annex to complete, should be the minimum threshold
Some ways, the projector is complete random accessories available, can be reflected from the side of the projector manufacturers comprehensive strength. Under normal circumstances, the projector includes accessories Power supply Line, control line, data lines, audio lines, should include sales invoices, projector warranty card, operating instructions and other documents related services. Buy accessories should check whether products and accessories manufacturers offer the same directory. Generally speaking, China's projector products are sold, most of the original manufacturers operating instructions in Chinese, and the original domestic warranty card, so consumers can easily use.
Functional verification, should be the top priority
Check the function of the projector is operating properly, is to verify that you are selecting the projector in the end have not purchased value. The current projector numerous options, such as keystone correction, picture freeze, etc., whether these functions and parameters will directly influence the price of the projector. Today, many dealers to obtain high profits, the projector features often boast too hype, many of the features simply not the projector, unscrupulous merchants often use this trick consumers. If consumers ignore the functional verification, not all the features one by one verify if the projector is likely to be deceived.
Therefore, consumers in the selection of projector you before, the best control operating instructions, one by one test it is supported by the projector functions. This link is directly dependent on the process of feeling judged, consumers should be possible to identify with each of the projector function, rather than listen to the recommendation of sales staff or view the instructions.
Accessories Replacement, can not be taken lightly
Projector manufacturers Original accessories are most, and these parts are usually better quality, many projector manufacturers also donated the original leather bag. However, individual dealers to obtain high profits, and sometimes will projector genuine attachment "deduction" down, and then sold individually at higher prices to other customers, or to use low-quality products instead of original accessories.
In the projector's manual, all accessories will be the name, type, specification and quantity are specifically listed. Before buying, you should carefully check list of items to see what type projector includes accessories, accessories, and specifications are the same number.
Interpretation of the three concepts Agfa printing power - Agfa, printing - silk screen printing industry, especially web
China Suppliers
Three concepts will demonstrate the printing force
Section India Network: We found your company drupa2008 a rich set of exhibits on display, from the plate, workflow to the synthetic paper, presses, Agfa does display in this exhibition focus on the What? We should focus on what this release Agfa technologies and products?
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Leaves Tree: We note that the printing market, the following trends: the printing market is expanding, increasingly fierce global competition, new technologies increasingly shorter cycles, the development of digital printing increasingly clear. To provide comprehensive products and services that help our customers ever-changing market competition take the lead, this has been the goal of Agfa. Agfa with strong R & D strength, keen market insight, perfect service support system is based, to meet changing needs, highly automated production patterns and environmental protection as the pillars, creating a complete pre-press printing solutions.
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In this exhibition, Agfa's new technologies and new products around the three concepts to show the power of print, which is: Agfa is free of chemical treatment of the standard plate Agfa offers a complete solution , Agfa is an advocate of inkjet digital printing.
Drupa 2004 exhibition launch Azura chemistry-free Agfa plates, at present, there are thousands of users worldwide use, its environmental philosophy enjoys popular support. The show, Agfa will launch the second generation of thermal chemistry-free plates,: AzuraTS. : Azura TS only to maintain environmental leadership, the in imaging speed, printability has increased dramatically. In addition to thermal plates, the Agfa will be the first to introduce violet laser chemistry-free plate??: AzuraV. : AzuraV also does not require chemical treatment, after the warm-plate image can be printed on the plastic, we believe: AzuraV will accomplish much in the newspaper market. Agfa plate
complete solution including software, direct plate-making machines, supplies and support services. Agfa software: ApogeeSuite including: Apogee Publish,: Apogee Color,: Apogee Prepress,: ApogeePortal modules, is the first to JDF1.3 based, and the perfect integration of MIS and other systems, published in full control of design, prepress processing, printing and finishing systems. Have to provide production control interface, publishing design tools, Security printing Design tools, Adobe PrintEngine based core, full color management support for screen proofing and so on, fully meet the current needs of a changing market, helping users to catch up. : AvalonN is a new generation of Agfa platesetter, providing ultra-large format, etc. from the outside to the different output specifications, a variety of different output speed options, a variety of automated configuration, the machine stable and reliable.
Inkjet digital printing technology is the development trend, Agfa has been working in the field of digital inkjet R & D, this exhibition will display using ink jet technology, market demand for three different products,: Anapurna Series,: Dotrix system and the M-Press systems. : Anapura with UV drying Ink , You can use a variety of printing materials, including web and a few centimeters thick, wooden, metal, ceramics, etc. "In addition to air and water, all materials can be printed." We believe that the: Anapurna will open up wider printing market. Dotrix for the packaging market, you can select different types of finishing modules to build a complete personalized packaging line. M-Press for large format printing market to replace the traditional large-format inkjet screen printing.
RND thickener in the activity of printing disperse dyes - dyes printing thickener - silk screen printing industry, especially web
China Suppliers
In recent years, domestic and foreign authorities on the reactive and disperse dyes Printing Thickening agent used in a lot of research carried out, and have launched a number of products, application performance has indeed made considerable progress. However, the traditional natural paste?? Alginate compared, there was this or that problem. Recently, the British launched a joint ALCOPRINTRND synthetic colloid thickener, in these two dyes Printing Use it to make new progress, so that people on the synthesis of natural paste thickener in the printing process to replace the actual application of a new understanding. I would RND in practice the situation during a brief description.
1, sodium alginate structure, properties and applications
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Alginate chemical composition of -D-mannuronic acid homopolymer long chain. Experimental formula (c6H8O6) n, the molecular weight of about 15,000.
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The alginate and then made use of soda ash in sodium alginate, according to different raw materials, generally pale yellow brown bag or brown bag, it does not dissolve in organic Solvent , Due to the molecular structure with-COONa group, so highly hydrophilic, soluble in water to become translucent, uniform viscous colloidal solution.
Case of sodium alginate solution of metal salts and metal salts generates freezing precipitation, and produce all kinds of Yen package, so pay attention to the use of preservatives.
Case of organic solvents, sodium alginate was insoluble state, but after heating, the majority can be miscible.
Case of sodium alginate solution, strong acid, strong base to concentrate precipitation, pH range of 5.8 to 11 is more stable. Prolonged exposure to air
sodium alginate solution, will lead to decrease of viscosity. Summer in the south, due to high temperature, a phenomenon more obvious need to join a certain preservatives.
As the sodium alginate solution chemistry, physical properties, so that the factory activity in the application of disperse dyes printing process, we get a lot of convenience, but also revealed some deficiencies. There are;
1. System paste longer, generally require the original paste the next day do the next day before use.
2. In the same pattern in both large fine line there, the package deployment is not easy to master slurry.
3. Summer paste perishable, and longer storage time modulation good paste viscosity decreased significantly.
4. When the package be thickened slurry is too thin, the operation is troublesome.
5. Solid sodium alginate was about 6 ~ 8%, on the handle demanding varieties, the lack becomes more.
Second, synthetic thickener PTF, RTA's performance and application
Alginate paste for these deficiencies, domestic and foreign manufacturers have developed the platform as an alternative or partial alternative thickener sodium alginate, and have made some progress. For reactive and disperse dyes such as ALCOPRINTPTF printing. Production shows that, PTF for reactive dye printing, due to the carboxylic acid group PTF and paste in the alkali react, resulting in lower pH values, will reduce its reactivity; followed with package slurry process, the thickening agent on alkali ammonium ions will be replaced by the sodium ion, resulting in the release of ammonia, the formation of bubbles, affecting printing quality; another ammonium ion have been replaced, PTF became free of strong acids, cleaning more difficult for these situation a few years ago the British company has launched the joint gel a new thickener ALCOPRINTRTA. Instead of polypropylene with ammonium polyacrylate, basically solve the above problem, however, are talking about a few joined the RTA is very sensitive to the electrolyte. During use. When the dye added, the paste viscosity will be significantly reduced, which is difficult to promote the use of RTA.
3, synthetic thickener in printing the application ALCOPRINTRND
1. Reactive Dyes Different dye concentration on the viscosity of 6% ALCOPRINTRND. See the figure below:
Different dye concentration on the viscosity of RND
Synthetic thickener is a British joint gel RND latest varieties developed, RND's name is based on the activity of English, Disperse Dyes prefix, is suitable for use in printing activities and disperse. Synthetic thickener RND appearance light yellow, is polyacrylic acid compounds. Is anionic, has a good stability of the electrolyte. Stored longer. Colorants that have been tuned to place two weeks under normal circumstances still stable (Note: Laboratory tests) in water dispersion performance, the use of a glass rod in the beaker can be quickly stir into the paste. After the Yap Cheng Ze white crystalline paste.
It can be seen, in order to make the package RND thickener slurry, better stability. Although a small number of lower viscosity, but in terms of production is completely unacceptable, according to the same circle workshop Printing machine Zoom to the situation in 3000 ~ 4000cP viscosity between the general pattern can be printed is completely satisfied.
Printing factory workshop mixing all-phase process. Also about to urea, resist salt S, baking soda, dyes, water and stir together RND 1O ~ 15min to meet the requirements made of paste, which the dosage of RND 4.5 to 5% can meet production requirements.
, Of course, RND modulation paste can as sodium alginate as the traditional production process, first make a good backup of the original paste, use and then take the original paste pulp, but I think that. This approach seems more a process, and increase the manpower and floor space, but also artificially increase the system lay time
2. Disperse Dyes RND applied to disperse, the use of more simple, this simulation in chemical fiber fabric applications are proven. The water by adding about 45% of the RND stir for 15min the preparation of a good sound of the original paste, then add the required dye mixing about 5min, filtered after the completion of paste made of the electrolyte concentration due to disperse low viscosity change is not so great. After fixing and cleaning process can follow the same way as before. Worth mentioning is the use of RND thickener for disperse printing, the color yield can be increased by 15 ~ 30%.
IV Summary In summary, RND, compared with sodium alginate with:
1. Indian pulp deployment easy and fast;
2. Viscosity control is simple, readily available for post-thickening;
3. Printing blocks and lines chiseled face, no infiltration phenomenon;
4. Improve the color yield. Than the sodium alginate is 10 ~ 30%;
5. Longer shelf life, free from microbial erosion, especially in the southern summer, more convenient to use;
6. Feel good, better than the sodium alginate
RND and the economic benefits of an integrated assessment of sodium alginate shows that although the current price of RND in the country is still higher than the sodium alginate is about 20 ~ 30%, but the simplicity of operation and the dye color yield increase printing quality
