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I-Agent enhle yokulwa nama-agent-yihoo hn130
Kulezi zinsuku, i-TDI noma i-MDI ikhethwe njengezinto eziphambili ezivuthiwe zemikhiqizo eminingi ye-PU, noma ngabe uphulukisayo, i-foled and haming, ukuqina okunzima, ukunwebeka, i-pu lesikhumba noma i-PU Pear. Kodwa-ke, kungaba nge-TDI noma i-MDI, indandatho yayo ye-benzene e-TDI ne-MDI ngqo ngqo kuxhuma amaqembu ahlukahlukene we-isocyanester, kanye ne-PI Bond G ...Funda kabanzi -
I-asymmetric i-antioxidant enhle kakhulu ye-antioxidant-AN245 ne-AN245DW
Ama-Phenols avinjelwe nge-tert-butyl (x = i-tert-butyl) kanye ne-methyl (r = methyl ch3) endaweni ye-O-hydrolic hydroxyl ye-phenolic hydroxyl angenza buthaka izithiyo ze-phenolic hydroxyl group ngezinga elithile, bese usheshisa izinga lokuphendula kwe-antioxidant, ngaleyo ndlela wenza ...Funda kabanzi -
Kwethulwe iwebhusayithi entsha!
Ngaphansi kwemizamo ehlangene yazo zonke izinhlangothi, ngemuva kwezinyanga ezimbili zokucatshangelwa okuphindaphindiwe, iwebhusayithi entsha ye-Yihywoo technology yethulwe ngempumelelo! Iwebhusayithi entsha inikeza ukuvelela okwengeziwe emsebenzini wesikhulumi senkampani yokumisa umsebenzi ngaphansi komkhakha wesekeni, ugxile o ...Funda kabanzi