Brief Introduction of Styrene-Acrylic Surface Sizing Agent

Styrene-acrylic surface sizing agent is a styrene-acrylate copolymer emulsion. Cationic type is widely used in papermaking. It is usually mixed with starch and coated on paper surface.Functions: Improve paper surface strength, reduce linting and dusting; enhance water resistance; fast curing, suitable for high-speed paper machines.It is mostly applied to packaging paperboards such as containerboard, corrugated paper and kraft liner. Anionic type is used for cultural paper like offset paper.

Industry News

Large paper mills keep inviting tenders for styrene-acrylic surface sizing agent as the main sizing auxiliary for paperboards.Domestic styrene-acrylic surface sizing agent has qualified performance and is exported overseas in bulk, realizing domestic substitution.Industry development trend: low VOC and food-grade eco-friendly products. Manufacturers shift from price competition to technical services.Prices of raw materials such as styrene fluctuate. Enterprises optimize formulations to help paper mills control costs.