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[Chemical Knowledge]:What are the upstream raw materials of silicone-acrylic emulsion? What do the downstream products contain?

Silicone-acrylic emulsion is an important raw material for chemical production, which is widely used in coatings, adhesives, fabric treatment and other fields. Its upstream and downstream related products mainly include the following categories:

1. Upstream raw material

(1) Acrylic acid: Acrylic acid is one of the main raw materials of silicone-acrylic emulsion, used for copolymerization with siloxane to generate silicone-acrylic emulsion. The production methods of acrylic acid mainly include propylene oxidation method and ethylene carbonylation method.

(2) Siloxane: Silicone is another main raw material of silicone-acrylic emulsion, which is usually made of silica powder and methanol under the action of a catalyst.

(3) Emulsifier: Emulsifier is used to stably disperse the ingredients in silicone-acrylic emulsion in water. Commonly used emulsifiers include polyoxyethylene ether, sulfonate, etc.

2. Downstream product

(1) Coatings: Silicone-acrylic emulsion can be used as the main film-forming substance of coatings. It has excellent weather resistance, water resistance, chemical resistance and other properties, and is widely used in construction, automobiles, ships and other fields.

(2) Adhesive: Silicone-acrylic emulsion can be used to prepare adhesives. It has the advantages of high bonding strength and good water resistance. It can be used in wood processing, paper processing, textiles and other fields.

(3) Fabric treatment agent: Silicone acrylic emulsion can be used for fabric treatment to improve the water resistance, oil resistance and air permeability of the fabric.

In short, as an important chemical raw material, silicone-acrylic emulsion has a wide range of upstream and downstream related products, which is of great significance to promote the development of chemical production.
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