Dareere Tayada Ugu Sareysa ee Xabagta Polyester-ka ee aan dheregsanayn ee Fiberglass
"Polyester" waa nooc ka mid ah xeryahooda polymer ka kooban ester bonds kuwaas oo laga soocay resins sida phenolic iyo epoxy resins. Xaruntan polymer-ka ah waxa soo saara falcelinta kondensation-ka ee u dhaxaysa dibasic acid iyo alkolada dibasic, marka xaruntan polymer-ka ah ay ka kooban tahay xidhid labajibbaaran oo aan saturated ahayn, waxa loo yaqaan polyester-ka aan saturated-ka ahayn, polyester-kan aan saturated ahayn waxa lagu milmaa monomer awood u leh in la polymerised (guud ahaan styrene).
Polyester-kan aan saturated lahayn waxa uu ku milmay monomer (sida caadiga ah styrene) kaas oo awood u leh in uu sameeyo polymerise, marka uu noqdo dareere viscous ah, waxa loo yaqaannaa resin polyester-ka aan saturated (Unsaturated Polyester Resin ama UPR gaaban).
Xabagta polyester-ka ee aan dheregsanayn waxa lagu qeexi karaa dareere viscous ah oo ay samaysay polycondensation of dibasic acid oo leh aalkolo dibasic ah oo ay ku jirto aashito dibasic ah oo aan saturated ahayn ama aalkolo dibasic ah oo ku jira iskudhis polymer toos ah oo lagu milmay monomer (sida caadiga ah styrene). Beestarka polyester-ka ee aan dheregsanayn, kaas oo ka kooban 75 boqolkiiba resins-yada aan isticmaalno maalin kasta.













