labarai

Wakilin mai yin fim shine babban ɓangaren gilashin fiber infiltrant, gabaɗaya yana lissafin kashi 2% zuwa 15% na yawan juzu'i na tsarin infiltrant, rawar da yake takawa shine haɗa fiber gilashin a cikin daure, a cikin samar da kariyar zaruruwa, don haka fiber bundles suna da kyakkyawan digiri na taurin kai, agglomeration, don saduwa da buƙatun samfuran fiber na gaba. Abubuwan da aka saba amfani da su na samar da fina-finai a cikin nau'ikan infiltrant na fiber gilashi sune polymers, gami da resin epoxy, polyurethane, polyester, resin phenolic, watsawar polypropylene da aka gyara, ko emulsions. Ayyukan masu samar da fim ya dogara ne akan tsarin kwayoyin halitta da nauyin kwayoyin halitta na polymer. Ga wakilin mai yin fim iri ɗaya, tauringilashin fiberza a iya daidaita shi ta hanyar nauyin kwayoyin halitta na wakilin mai yin fim, kuma mai yin fim din tare da nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin gilashin zai zama mafi girma na gilashin gilashin, wanda ya dace da maganin farfajiyar.ƙarfafa thermoplastic yankakken gilashin fiber kayayyakin, yayin da wakili mai yin fim tare da ƙananan nauyin kwayoyin halitta ya dace da samar da yadudduka da aka yi amfani da su a cikin iska da kuma jawo gyare-gyare. Epoxy resin polymers sun ƙunshi aliphatic hydroxyl, ether, da rukunin epoxy, kuma akwai jan hankali mai ƙarfi tsakanin ƙungiyoyin polar a cikin abubuwan samar da fim na epoxy, don haka suna da kyakkyawan mannewa da haɗakar tasirin gilashin;

Bugu da ƙari, ƙungiyar epoxy a cikin wakili na samar da fim na epoxy na iya amsawa tare da ƙungiyar hydroxyl ta ƙarshe, ƙungiyar carboxyl ta ƙarshe, ƙungiyar amino ta ƙarshe, da sauran ƙungiyoyi masu aiki a cikin robobin injiniya kamar PBT, PET, PA, PC, da sauransu, don haɓaka ƙarfin haɗin kai tsakanin gilashin fiber da guduro. Abubuwan da ke samar da fim na polyester sun ƙunshi ƙungiyoyin ester da yawa, haɗin sinadarai marasa ƙarfi, da ƙungiyoyin hydrophilic a cikin babban sarkar, kuma aikinsu ya dogara da nau'in acid da barasa da ake amfani da su a cikin haɗin polyester da rabo. Lokacin da resin tushe ya kasance unsaturated polyester guduro, da unsaturated biyu shaidu a cikin polyester film-forming wakili zai iya polymerize da gicciye tare da biyu bond a cikin tushe guduro don samar da wani karfi sinadaran bond ko jiki entanglement, wanda inganta interfacial bonding ƙarfi. Masu samar da fina-finai na Polyester yawanci suna da kyawawan kaddarorin jika da shigar ciki don haka ana amfani da su azaman jika a cikin pultrusion, winding, spraying, chevron, da sauran samfuran. Polyurethane film-forming wakili kwayoyin sarkar ƙunshi maimaita carbamate tsarin, kasancewar wadannan iyakacin duniya kungiyoyin sa da polyurethane zuwa gilashin fiber da mai kyau dauri, da kwayoyin taushi da kuma wuya segments na hade da high elasticity da abrasion juriya, a lokaci guda, polyurethane a cikin kungiyar isocyanate za a iya infiltrated tare da amino coupling wakili a cikin amino coupling. bonding, inganta yi nakayan hadesamfurori.