Polyether Polyols ana yin su ne ta hanyar amsa kwayoyin oxide da glycol.

Babban oxide da ake amfani da su shine Ethylene Oxide, Propylene Oxide, Butylene Oxide, Epichlorohydrin.

Babban glycols da ake amfani da su sune Ethylene Glycol, Propylene Glycol, Water, Glycerine, Sorbitol, Sucrose, THME.

Polyols sun ƙunshi ƙungiyoyi masu amsawa na hydroxyl (OH) waɗanda ke amsawa tare da ƙungiyoyin isocyanate (NCO) akan isocyanates don samar da polyurethane.

Akwai nau'ikan polyether polyols da yawa don polyurethane.Ana iya samun kayan PU tare da ayyuka daban-daban tare da amsawa tsakanin masu farawa daban-daban da polymerization olefin.

Ta hanyar gyaggyara albarkatun albarkatun PU ko canza mai kara kuzari, ana iya canza aikin polyether.Waɗannan masu farawa sun haɗa da barasa diethyl, barasa na ternary, tetrahydrofuran, da polyether polyols na aromatic, da sauransu.

AMFANIN

Amfani da polyether da aka yi amfani da shi a cikin PU ya fi 80%.Za a iya rarraba polyether polyurethane

Polyether Polyol (PPG),

Polymeric Polyol (POP),

Polytetramethylene ether glycol (PTMEG, wanda kuma ake kira polytetrahydrofuran polyol) bisa ga mai farawa.

Polyether polyols ana amfani da su a cikin PU m kumfa, kumfa mai laushi, da samfuran kumfa.

Sanarwa: Wasu daga cikin abubuwan da ke cikin wannan labarin sun fito daga Intanet, kuma an lura da tushen.Ana amfani da su kawai don kwatanta gaskiya ko ra'ayoyin da aka bayyana a cikin wannan labarin.Suna kawai don sadarwa da koyo, kuma ba don wasu dalilai na kasuwanci ba ne. Idan akwai wani cin zarafi, da fatan za a tuntuɓe mu don sharewa nan da nan.