Ngwaahịa
Ọpụrụiche na mmepụta nke mmanya propargyl, 1,4 butynediol na 3-chloropropyne.
1, 4-butanediol Njirimara
Njirimara anụ ahụ na kemịkalụ
Mmiri mmanụ na-enweghị agba, ọkụ, soluble na mmiri, methanol, ethanol, acetone, polyether na
polyester polyols, dị ntakịrị soluble na ether, enweghị ike na aliphatic na aromatic hydrocarbons.
Ịdị ọcha nke ngwaahịa ụlọ ọrụ na-adịkarị karịa 99% ma ọ bụ 99.5%, mmiri na-erughị 0.1%, uru sọlfọ abụghị ihe karịrị 0.1%, chroma (APHA) erughị 25.
E nwere ihe karịrị 20 mmepụta ụzọ nke 1, 4-butanediol, ma naanị 5 ~ 6 na-mere n'ezie.Ka ọ dị ugbu a, ụzọ ndị bụ isi emepụtara gụnyere usoro Reppe gbanwetụrụ, usoro hydrogenation nke nwoke anhydride, usoro hydrogenation nke anhydride maleic, usoro propylene oxide na usoro butadiene.
Njirimara na ojiji
1, 4-butanediol bụ isi kemịkalụ na mma kemịkalụ akụrụngwa, ọtụtụ ebe na-eji na mmepụta nke PBT engineering plastik na emep uta eri, Synthesis nke tetrahydrofuran (THF), polytetramethylene ether diol (PTMEG, nwetara site THF polymerization), polyether elu arụmọrụ elastomer. na spandex eriri eriri (PTMEG na diisocyanate njikọ), unsaturated polyester resin, polyester polyol, butanediol ether mgbaze, yana ọgwụ na ịchọ mma ụlọ ọrụ.1, 4-butanediol nwekwara ike iji mepụta N-methylpyrrolidone, adipic acid, acetal, maleic anhydride, 1, 3-butadiene na ndị ọzọ.
Y-butanolactone, ngwaahịa ala nke 1, 4-butanediol, bụ akụrụngwa maka imepụta ngwaahịa 2-pyrrolidone na N-methylpyrrolidone.Site na nke a, a na-enweta ọtụtụ ngwaahịa dị elu dị ka vinyl pyrrolidone na polyvinyl pyrrolidone, nke a na-ejikarị eme ihe n'ọhịa nke pesticides, ọgwụ na ihe ịchọ mma.
Na mpaghara POLYURETHANE, na mgbakwunye na njikọ nke polytetrahydrofuran polyol, nke a na-ejikarị eme ihe na njikọ nke polyester diol ma jiri ya mee ihe dị ka elastomer, microporous polyurethane akpụkpọ ụkwụ yinye, polybutanediol adipate ester polyurethane nwere ezigbo crystallization.
Ihe nsi nkeNsi dị ala, uru nsi dị ukwuu nke ọnụ LD50 = 1500-1780mg / kg n'ime oke, uru mmịnye transdermal toxicity nke oke bekee LD50>2000mg/kg.
