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The relationship between latex coating layering and thickener and the collocation method

 Last Update: 2022-09-08
 Source: Internet
 Author: User

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Original: The relationship between latex coating layering and thickener and the collocation method

Latex coating formulation design should generally consider not delamination and water

Scenarios of use of latex paint thickeners

Relationship between latex coating layering and thickener:

After the system is thickened, only the water-thickened cellulose forms a water-cellulose hydrophilic network, while the acrylic-alkali swelling and polyurethane-associated thickener forms a more complex lipophilic network due to the winding, coating, and association of latex and yan and filler particles, and the HLB values of the two networks match more uniformly, and if the HLB values are too different, they begin to stratify

Solution: After entering the system, various acrylic acid-base swelling thickeners encounter alkali into salts, and the network structure formed by expansion is one, so two different thickeners are selected so that the system has two or more networks interspersed with each other, which is conducive to the stability

Opening pulp of latex paint thickener

Thixotropic index:

Due to the needs of construction and storage, the paint is often made into a thixotropic non-Newtonian fluid, and its thixotropic size is expressed by the size of the thixotropic index value, and the viscosity value is determined by the Brinell viscometer

Source of the article: The article is from "China Federal Thickener", please indicate the source when

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