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Hubei xindesheng Material Technology Co., Ltd

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Business Address:C8-2, Optics Valley United Technology City, Huarong District,Ezhou,Hubei,China

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Carbomer 940 gel configuration method

China

DS-carbomer-940

( Negotiable ) Get Latest Price

Ezhou city,Hubei province,china

-

20 Kilogram

20kg/paper package

4-10 days

1000 Kilogram per Day

T/T, L/C

Carbomer

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Product Specification

Other Names : Carbomer 940 MF : C15H17ClO3 Purity (%) : 99 Classification : General Reagents Brand Name : Desheng CAS No. : - EINECS No. : -
M.W. : 280.74668

Product Description

As a highly hydrophilic anionic polymer, Carbomer has outstanding physical properties such as strong hygroscopicity. This kind of white loose powder can be added into aqueous solution to expand and swell rapidly, but it is difficult to dissolve. The pH value of 1% aqueous dispersion is about 2.5 ~ 3.5, and the viscosity is relatively low. When neutralized with alkali, the viscosity gradually increases with the gradual dissolution of macromolecule chemicals. When the concentration is low, it forms a clear solution and forms a semitransparent emulsion gel at a relatively large concentration. PH 6.5 ~ 7 has the greatest viscosity and consistency. When the dispersing solution of polymer glue is neutralized with alkali, a transparent and stable gel is formed.

How to make the white powder carbomer 940 quickly dissolve into water to make a transparent solution? The staff from Germany and the biology department here are talking about the direct mixing method for carbo gel, and hope to help the small buddy in the industry.

Prepare the following three raw materials: carbomer 940 1g pure water 99ml, B triethanolamine several drops, C antibacterial agent 0.5ml. Tools: mixing rod, measuring spoon / measuring cup, pH measuring paper and an empty jar. Place carbomer 940 into the empty jar and stir quickly until it is even. If there is obvious agglomeration, stir it up with a stirring stick to form a fine powder. Or only add half of the water. The remaining antibacterial agent is added into the transparent gel. Stir in the standing room until the carbomer 940 absorbs enough water and expands to no caking. It takes about 2.5 hours for the gel to expand and form the gel even state. To shorten the colloid formation time, the water heating method can be used, while the electric heating wire is heated, and the stirring time is about 10~30 minutes.

Add the alkali to neutralize. Add a drop and a drop in the dripping way. Add the edge to agitator and measure the pH value. When the pH is 7, it is transparent gel. This step is very important. The key to forming transparent gel is to take this action. The first suggestion is to add a drop neutralizer - agitation - measure the pH value, repeat this step to carbomer 940 pH value to 7 stop, so that we can control the modulation technology, and then add antibacterial agent and gel to finish it.

It should be noted that in general, in order to avoid compatibility with salt or acid materials, the viscosity of 1G neutralized polymer glue will be reduced. Usually about 1.35g triethanolamine is added. It is stable at pH 4-10. Triethanolamine is a kind of Alkalizer, which is used to adjust the pH value of the product. It should be avoided to use with nitrite containing alkylating agents. The maximum concentration is 2.5%. Avoid using in the same formula with formaldehyde as preservative. Because triethanolamine can cause skin irritation and sensitivity.

Desheng biochemical was founded in early 2005. Its professionals are dedicated to R & D, production and sales of carbomer 940 / 980. On the basis of years of practice, it has formed a production and R & D capacity with independent intellectual property rights and professional precipitation. Provide products, raw materials, products and technical support solutions for more than 100 domestic and foreign distributors and manufacturers.
 
Carbomer 940 gel configuration method Carbomer 940 gel configuration method Carbomer 940 gel configuration method

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Contact Person : jing zhao

Company:Hubei xindesheng Material Technology Co., Ltd

Address:Business Address:C8-2, Optics Valley United Technology City, Huarong District, Ezhou, Hubei, China,

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