What types of styrene are there?

What types of styrene are there?

Acrylate emulsion system with hard monomer styrene, known as styrene-acrylate emulsion, is widely used in adhesive, paper sizing agent and coating fields due to its high cost performance.

With the development of papermaking industry, styrene-acrylic emulsion has become an indispensable industrial supplies in papermaking industry and paper processing. It is widely used as pulp additive, paper impregnation agent and paper coating agent to improve the tensile strength, cyclic compressive strength and water resistance of paper.According to the different process and function, styrene-acrylic emulsion is mainly classified as follows:

(1) silicone modified styrene-acrylic emulsion

Silicone modified styrene-acrylic emulsion referred to as silicone styrene-acrylic emulsion.Organic silicon has excellent resistance to high and low temperature, ultraviolet and infrared radiation, oxidation and degradation and other properties, using organic silicon to modify styrene-acrylic emulsion, can obviously improve its weather resistance, light retention, elasticity and durability.

(2) Organic fluorine modified styrene-acrylic emulsion

Modified with organic fluorine polymer or fluorine coating of organic polymer as the main film-forming material, has excellent weather resistance, durability, chemical character and corrosion resistance, wear resistance, insulation, the clear and polluting, such as performance, widely used in construction, aviation, electronics, electrical, mechanical, and household products, wood furniture, and other fields, is a collection of high and new, in one of the excellent performance of coatings, occupies an important position in coating industry, enjoy the laudatory title of "king of coating".

(3) Styrene-acrylic emulsion modified by epoxy resin

Epoxy modified styrene-acrylic emulsion not only has the advantages of high strength, corrosion resistance and strong adhesion of epoxy resin, but also has the characteristics of weatherability and good gloss, etc. Its coating film has excellent hardness, pollution resistance and water resistance, so it has great popularization value.

(4) functional monomer modified styrene-acrylic emulsion

The research on further improving the performance of styrene-acrylic emulsion is more and more active, and the research on the functional monomer of the system is one of the hot spots.The composition of the comonomer can be generally divided into three parts. The first is the soft monomer (acrylic ester), which has low glass transition temperature and gives the polymer bonding properties.The second is the hard monomer (styrene), the glass transition temperature is high, gives the polymer cohesion;The third is a functional monomer, which can be copolymerized with soft and hard monomers to obtain a copolymer with functional groups, which can significantly improve the comprehensive properties of the emulsion.

(5) cationic styrene-acrylic emulsion

Cationic styrene-acrylic emulsion refers to the use of cationic surfactant or acrylic acid with a positive charge of the single system of the polymer or copolymer its basic feature is the surface of the polymer or the polymer itself with a positive charge.Because the cationic styrene-acrylic emulsion has a positive charge, it is not only beneficial to the neutralization, adsorption and adhesion of the negatively charged surface, but also has bactericidal, dustproof and antistatic effects.

Amber Zhang Ms.

Foreign trade 

Zhejiang Ruico Advanced Materials Co., Ltd. (Stock No.873233)

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