Mmiri Dị Elu nke Na-enweghị Njupụta Polyester Resin maka Fiberglass
"Polyester" bụ otu n'ime ihe ndị mejupụtara polymer nwere njikọ ester nke dị iche na resin dịka phenolic na epoxy resins. A na-emepụta ihe mejupụtara polymer a site na mmeghachi omume polycondensation dị n'etiti dibasic acid na dibasic alcohol, ma mgbe ihe mejupụtara polymer a nwere njikọ abụọ na-enweghị afọ ojuju, a na-akpọ ya polyester unsaturated, a na-agbazekwa polyester unsaturated a na monomer nke nwere ike ime ka ọ dị ọcha (ọkachasị styrene).
A na-agbaze polyester a na-enweghị afọ ojuju n'ime monomer (nke na-abụkarị styrene) nke nwere ike ime ka polymer dị mma, ma mgbe ọ ghọrọ mmiri mmiri viscous, a na-akpọ ya resin polyester unsaturated (Unsaturated Polyester Resin ma ọ bụ UPR maka mkpụmkpụ).
Ya mere, a pụrụ ịkọwa resin polyester nke na-enweghị afọ ojuju dị ka mmiri mmiri viscous nke a na-emepụta site na polycondensation nke dibasic acid nwere mmanya dibasic nke nwere acid dibasic nke na-enweghị afọ ojuju ma ọ bụ mmanya dibasic nke dị na ngwakọta polymer nke a na-agbaze na monomer (nke na-abụkarị styrene). Resin polyester nke na-enweghị afọ ojuju, nke mejupụtara pasent 75 nke resin anyị na-eji kwa ụbọchị.













