what is polyester
Polyester resin is the abbreviation of unsaturated polyester adhesive. Unsaturated polyester adhesive is mainly composed of unsaturated polyester resin, initiator, accelerator, filler, thixotropic agent and so on. A linear structure (see linear polymer) polyester resin containing - ch=ch- double bonds in the main chain. It can be mixed with enylene monomers, such as styrene, acrylate, vinyl acetate, etc., and polymerizes under the action of initiator and accelerator to synthesize insoluble and non-melting products at room temperature. up. is the abbreviation for unsaturated polyester Mainly used in the production of coil coatings