Rabara yachilengedwe, monga momwe timatchulira nthawi zambiri, ndi chinthu cholimba chopangidwa kuchokera ku latex yachilengedwe yomwe imasonkhanitsidwa kuchokera kumitengo ya rabara, pambuyo pa coagulation, kuyanika ndi njira zina zopangira.Raba wachilengedwe ndi polima wachilengedwe wokhala ndi polyisoprene monga chigawo chake chachikulu, chokhala ndi mamolekyulu (C5H8) n.Mafuta ake a rabara a hydrocarbon (polyisoprene) amaposa 90%, komanso amakhala ndi mapuloteni ochepa, mafuta acids, shuga ndi phulusa.
Zakuthupi za mphira wachilengedwe.Rabara yachilengedwe imakhala ndi kusungunuka kwambiri kutentha kwa chipinda, pulasitiki pang'ono, mphamvu yabwino kwambiri yamakina, kutayika kochepa kwa hysteresis, kutulutsa kutentha pang'ono panthawi yopindika kangapo, chifukwa chake kukana kwake kumakhalanso kwabwino kwambiri, komanso chifukwa ndi mphira wopanda polar, ili ndi zabwino. magetsi kutchinjiriza katundu.
Rubber, pamodzi ndi mapulasitiki ndi ulusi, ndi chimodzi mwa zinthu zitatu zopangira zomwe zimakhala zotambasuka komanso zotanuka.Mphira umadziwika poyamba ndi modulus yaying'ono kwambiri ya elasticity ndi kuchuluka kwa elongation.Kachiwiri, ili ndi kukana kwabwino kwa permeability komanso kukana kwamitundu yosiyanasiyana yama media komanso kutsekemera kwamagetsi.Mafuta ena apadera opangira mphira amakhala ndi mafuta abwino komanso kutentha kwa kutentha, kukana kutupa kwa mafuta odzola, mafuta odzola, mafuta a hydraulic, mafuta opangira mafuta ndi mafuta osungunulira;kuzizira kozizira kumatha kutsika mpaka -60 ° C mpaka -80 ° C ndipo kukana kutentha kumatha kufika +180 ° C mpaka +350 ° C.Mphira umalimbananso ndi mitundu yonse yopindika komanso yopindika, chifukwa kutayika kwa hysteresis kumakhala kochepa.Chikhalidwe chachitatu cha mphira ndi chakuti chikhoza kugwiritsidwa ntchito, chosakanikirana ndi chophatikizidwa ndi zinthu zosiyanasiyana ndipo motero chimasinthidwa kuti chipezeke bwino.
Nthawi yotumiza: Jun-20-2023
