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What Are The Main Components Of Dispersible Polymer Powder

- Nov 03, 2017 -

Redispersible emulsion powder is usually white powdery, its composition mainly includes:

1, polymer resin: located in the core part of rubber powder particles, but also redispersible emulsion powder plays a major role, for example, polyvinyl acetate / ethylene resin.

2, additives (internal): together with the resin to play the role of modified resin, such as reducing the resin film forming temperature of plasticizers (usually vinyl acetate / ethylene copolymer resin does not need to add plasticizers). Not every kind of powder are additive components.

3, protective colloid: a layer of hydrophilic material wrapped on the surface of redispersible emulsion powder, and most of the redispersible colloid powder is polyvinyl alcohol.

4, additives (external): in order to further expand the properties of redispersible emulsion powder, and add materials. Such as adding super powder flow reduction in some help in water. As with the additives added, not every redispersible latex powder contains this additive.

5, anti caking agent: fine mineral filler, mainly used to prevent the rubber powder in storage and transportation process of caking, and facilitate the flow of rubber powder (from paper bags or tank car dumping).


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