Tag: Polyurethane Foda Rufe
Polyaspartic Coating Technology
Ilimin sunadarai ya dogara ne akan amsawar polyisocyanate aliphatic da ester polyaspartic, wanda shine diamine aliphatic. An fara amfani da wannan fasaha a cikin nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan polyurethane guda biyu na al'ada saboda polyaspartic esters sune kyawawan abubuwan diluents masu ƙarfi don manyan abubuwan polyurethane masu ƙarfi. ester shine babban ɓangaren mai amsawa don amsawa tare da polyisocyanate. Na musamman kumaKara karantawa …
Menene Rufin Polyurea da Rufin Polyurethane
Polyurea Coating da Polyurethane Coatings Polyurea shafi Polyurea shafi ne m tsarin guda biyu dangane da Amine ƙare prepolymer crosslinked tare da Isocyanate wanda ya samar da urea linkages. Haɗin kai tsakanin polymers masu amsawa yana faruwa a cikin sauri cikin sauri a yanayin zafi. A al'ada wannan dauki ba ya buƙatar kowane mai kara kuzari. Tun da Pot-ray na irin wannan shafi ne a cikin seconds; na musamman na Plural Ana buƙatar gunkin fesa sashi don aiwatar da aikace-aikacen. A coatings iya gina har zuwa 500 toKara karantawa …
Mene ne Danshi-warkar da polyurethane
Menene Danshi-warkar da polyurethane Danshi-warkar da polyurethane shi ne bangare daya polyurethane cewa maganinsa shine farkon danshin muhalli. Polyurethane mai iya warkewa da ɗanshi ya ƙunshi yawancin isocyanate-kashe pre-polymer. Ana iya amfani da nau'ikan pre-polymer iri-iri don samar da kadarorin da ake buƙata. Misali, ana amfani da polyether polyols da aka ƙare isocyyanate don samar da sassauci mai kyau saboda ƙarancin canjin gilashin su. Haɗuwa da sassauƙa mai laushi, irin su polyether, da yanki mai wuyar gaske, irin su polyurea, yana ba da tauri mai kyau da sassauci na sutura. Haka kuma, kaddarorin kuma ana sarrafa suKara karantawa …
Dabaru biyu don zayyana sutura tare da juriya na musamman
Akwai dabaru guda biyu don zana sutura tare da juriya na musamman. Ana iya sanya su da ƙarfi sosai wanda abin da ke ɗaura aure ba zai shiga cikin ƙasa mai nisa ba; ko Za a iya sanya su na roba sosai don murmurewa bayan an cire damuwa. Idan an zaɓi dabarar taurin, dole ne suturar ta sami ƙaramin ƙarfi. Duk da haka, irin wannan suturar na iya kasawa ta hanyar karaya. Sassaucin fina-finai muhimmin al'amari ne da ke tasiri juriya ga karaya. Amfani da 4-hydroxybutyl acrylate maimakonKara karantawa …