Resin yePolyester Resin yemhando yepamusoro yeLiquid Unsaturated yeFiberglass
"Polyester" imhando yemakomputa epolymer ane ma ester bonds akasiyana nema resin akadai se phenolic ne epoxy resins. Iyi komputa yepolymer inogadzirwa ne polycondensation reaction pakati pe dibasic acid ne dibasic alcohol, uye kana iyi komputa yepolymer iine unsaturated double bond, inonzi unsaturated polyester, uye iyi unsaturated polyester inonyungudutswa mu monomer ine kugona ku polymerised (kazhinji styrene).
Iyi polyester isina kuguta inonyungudutswa mu monomer (inowanzova styrene) ine simba rekuita polymerize, uye kana yava mvura ine viscous, inonzi unsaturated polyester resin (Unsaturated Polyester Resin kana kuti UPR muchidimbu).
Saka, resin yepolyester isina kuzara inogona kutsanangurwa semvura inonamira inoumbwa ne polycondensation ye dibasic acid ine dibasic alcohol ine unsaturated dibasic acid kana dibasic alcohol mu linear polymer compound yakanyungudutswa mu monomer (kazhinji styrene). Unsaturated polyester resins, iyo inoumba 75 muzana yema resins atinoshandisa zuva rega rega.













