Adhesives/Sealants na motoci an rarraba su bisa ga sassan aikace-aikacen, kuma ana iya raba su zuwa rukuni biyar: adhesives don jikin mota, adhesives don cikin mota, adhesives don chassis na injin mota, adhesives don sassan mota, da adhesives don ayyukan kera motoci.An yi kiyasin cewa, nan da shekarar 2020, jimillar bukatar nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan kera motoci na kasar Sin za su wuce tan 100,000, wanda adhesives na polyurethane su ne mafi mahimmancin nau'in manne.A cikin 'yan shekarun nan, buƙatun shekara-shekara na adhesives na polyurethane a kasar Sin ya karu a matsakaicin adadin 30%.
Za mu raba wasu mahimman bayanai na gilashin gilashin auto PU sealant a wannan sashin.
Yana da ɗanshi-bangare guda ɗaya na maganin polyurethane adhesive.
Tsarin haɗa gilashin gilashin mota kai tsaye zuwa jikin motar ya fara ne a cikin Amurka a cikin 1960s.Kamfani na ESSEX Chemical na Amurka ne ya fara haɓaka dam ɗin PU mai kashi ɗaya-bangare a farkon shekarun 1970 kuma ya sami nasarar amfani da shi ga General Motors na Amurka.A cikin 1976, Audi Motors kuma ya yi amfani da shi akan Audi C2.Daga baya, Jafananci da sauran masana'antun kera motoci na Turai sun yi nasarar aiwatar da tsarin haɗin kai kai tsaye na gilashin gilashin.Saboda saukin gini da kuma amfani da girman injina, sama da kashi 95% na gilashin gilashin duniya da gilashin gefen taga suna daure ta amfani da wannan manne.
Danshi-mai warkar da danshi na PU-nanne ɗaya ya ƙunshi ƙungiyoyin -NCO masu aiki, waɗanda zasu iya amsawa tare da alamar danshi a saman da za a liƙa ko a cikin iska don warkewa.Ana buƙatar manne-gilashin gilashin gilashin PU guda ɗaya-ɓangare guda ɗaya don kula da danshi, saurin warkewa, da kuma kula da elasticity mai kyau bayan warkewa, kuma ana buƙatar zama guda ɗaya tare da kwanciyar hankali mai kyau.Samfuri ne da ke da babban abun ciki na fasaha a cikin mannen mota, kuma shi ne nau'in da aka fi amfani da shi a cikin mannen PU na kera motoci na kasar Sin.
Yin amfani da wannan haɗin gwiwar gilashin da fasahar hatimi na iya haɗa gilashin gilashin da jikin motar gaba ɗaya, ƙara ƙarfin jikin motar da ikon yin tsayayya da toshewa, da tabbatar da tasirin rufewa.Mataki na 212 na Ma'aunin Tsaro na Motoci na Tarayyar Amurka (FMVSS) ya nuna cewa lokacin da mota ta yi karo da bangon kankare a cikin gudun kilomita 50 cikin sa'a, ƙimar amincin gilashin dole ne ya kasance sama da kashi 75%.A halin yanzu, Amurka, Japan, Jamus, Faransa, da dai sauransu, kuma kasarmu kusan dukkanin sun rungumi wannan tsari wajen shigar da gilashin gilashin mota, kuma a lokaci guda, yawancin gilashin gilashin gilashin gilashin gilashin gilashin gilashin gilashin gilashin gilashin gilashin motar fasinja suma sun dauki wannan tsari. hanyar haɗin gwiwa.
Kashi ɗaya-bangaren danshi-warkar da PU sealant ya dace da haɗin ƙasa mara ƙarfi.Don wuraren da ba su da ƙura kamar gilashi da ƙarfe, yawanci ana buƙatar amfani da shi tare da mai kunna gilashin, gilashin gilashin, da madaidaicin fenti.Don tabbatar da ingantaccen aikin haɗin gwiwa tsakanin gilashin gilashin gilashin da jikin motar, ya zama dole don suturar farko a kan gilashin gilashi, wanda zai iya inganta ƙarfin haɗin gwiwa na manne PU akan gilashin gilashi.
Lokacin aikawa: Nuwamba-09-2021