ʻO ka Resin Polyester Unsaturated Liquid High Quality no Fiberglass
ʻO "Polyester" kahi papa o nā hui polymer e loaʻa ana nā pilina ester i hoʻokaʻawale ʻia mai nā resins e like me nā resins phenolic a me epoxy. Hoʻopuka ʻia kēia hui polymer e ka hopena polycondensation ma waena o ka waikawa dibasic a me ka waiʻona dibasic, a i ka wā e loaʻa ai i kēia hui polymer kahi pilina pālua unsaturated, ua kapa ʻia ʻo ia he unsaturated polyester, a ua hoʻoheheʻe ʻia kēia polyester unsaturated i loko o kahi monomer i loaʻa ka hiki ke polymerised (ma ke ʻano he styrene).
Hoʻoheheʻe ʻia kēia polyester unsaturated i loko o kahi monomer (ʻo ia hoʻi ka styrene) nona ka hiki ke polymerise, a i ka wā e lilo ai i wai viscous, ua kapa ʻia ʻo ia he resin polyester unsaturated (Unsaturated Polyester Resin a i ʻole UPR no ka pōkole).
No laila, hiki ke wehewehe ʻia ka resin polyester unsaturated ma ke ʻano he wai viscous i hoʻokumu ʻia e ka polycondensation o kahi waikawa dibasic me kahi waiʻona dibasic e loaʻa ana kahi waikawa dibasic unsaturated a i ʻole ka waiʻona dibasic i loko o kahi hui polymer linear i hoʻoheheʻe ʻia i loko o kahi monomer (ʻo ia hoʻi ka styrene). ʻO nā resins polyester unsaturated, nona ka 75 pakeneka o nā resins a mākou e hoʻohana ai i kēlā me kēia lā.













