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The buffer CAPS is used in the decoration of new paints to make your home more comfortable

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The buffer CAPS is used in the decoration of new paints to make your home more comfortable
Latest company news about The buffer CAPS is used in the decoration of new paints to make your home more comfortable

Decoration has always been a hot topic. Because it is inseparable from our lives. Especially for our own home decoration, we always need to consider many issues. Because home is a warm and comfortable place for everyone to enjoy, but in order to save costs, many decoration companies are not very satisfactory in the choice of paint. Therefore, choosing a good decoration material is also a problem we should pay attention to.

 

In recent years, water-dispersible polyisocyanates have shown importance in various application fields. At present, water-dispersible polyisocyanates in most applications are modified by polyethers to achieve non-ionic hydrophilic modification. Although this type of hydrophilic modified polyisocyanate has been widely recognized in the market in most applications, it also has certain defects, such as its high viscosity, which requires considerable shearing force to be uniformly distributed during the construction process. Introduced into the aqueous medium. In order to avoid the above shortcomings, this also gives CAPS an excellent opportunity. Let it find its place in the new paint.

latest company news about The buffer CAPS is used in the decoration of new paints to make your home more comfortable  0

General ion-modified groups include carboxyl, sulfuric acid, hydroxyl, hydroxysulfonic acid, etc., but there are still certain defects, such as carboxyl modified polymers are prone to gelation, and the color of hydroxysulfonic acid modified products Obviously yellowing etc. Later studies found that CAPS-modified polyisocyanate can be finely dispersed in water, and the product is stable in storage. CAPS-modified polyisocyanates show certain advantages over other ionic or non-ionic modified products.

 

3-(Cyclohexylamino)-1-propane sulfonic acid (CAPS) reacts with aliphatic polyisocyanate (the former is zwitterionic sulfamate) under mild conditions and in the presence of a tertiary amine neutralizer to generate sulfonic acid Urea derivatives are excellent emulsifiers. Regardless of salt-forming groups, CAPS-modified polyisocyanates have good storage stability and are not turbid. Even when they contain less sulfonate groups, a well-dispersed emulsion can be obtained in water. A series of ionized modified polyisocyanates can be obtained, which can be used in various environmentally friendly high-quality water-based two-component polyurethane coatings. These coatings are completely comparable to general solvent-based coatings in terms of dryness, curing and chemical resistance. The new regulations require further reduction of VOC (Volatile Organic Compounds). In the future, the amount of these crosslinking agents will be greatly increased. Compared with solvent-based coatings, they will not cause the quality of the paint film to decrease.

 

The use of CAPS modified formulation coating saves a lot of trouble in our decoration. Without the hassle, it is natural whether we live or use it everywhere. In addition to the use of CAPS in new coatings, it also has a wide range of uses as a biological buffer, used in biochemical diagnostic kits, DNA/RNA extraction kits and PCR diagnostic kits. The CAPS produced by Desheng Company is reagent grade with a purity greater than 99%. It can not only be used as a buffer for in vitro diagnostic reagents, but also can be used in coatings. Customers in need can contact us, and we will provide samples for your testing.

Pub Time : 2021-06-10 16:00:00 >> News list
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