Lihlahisoa
E sebetsa ka ho khetheha tlhahisong ea joala ea propargyl, 1,4 butynediol le 3-chloropropyne.
1, 4-butanediol thepa
Lintho tsa 'mele le tsa lik'hemik'hale
Mokelikeli o se nang 'mala o mafura, o ka cha, o qhibiliha ka metsing, methanol, ethanol, acetone, polyether le
polyester polyols, e qhibilihang hanyane ka har'a ether, ha e kopane le li-hydrocarbon tsa aliphatic le tse nkhang hamonate.
Bohloeki ba lihlahisoa tsa indasteri hangata bo boholo ho feta 99% kapa 99.5%, mongobo o ka tlase ho 0.1%, boleng ba sebabole ha bo fete 0.1%, chroma (APHA) e ka tlase ho 25.
Ho na le mekhoa e fetang 20 ea tlhahiso ea 1, 4-butanediol, empa ke 5 ~ 6 feela e hlileng e leng ea indasteri.Hajoale, mekhoa e meholo ea indasteri e kenyelletsa mokhoa o fetotsoeng oa Reppe, mokhoa oa maleic anhydride hydrogenation, mokhoa oa maleic anhydride esterification hydrogenation, mokhoa oa propylene oxide le mokhoa oa butadiene.
Litšobotsi le Tšebeliso
1, 4-butanediol ke lik'hemik'hale tsa motheo le lisebelisoa tse ntle tsa lik'hemik'hale tse tala, tse sebelisoang haholo ho hlahisa lipolasetiki tsa boenjiniere tsa PBT le likhoele, Synthesis ea tetrahydrofuran (THF), polytetramethylene ether diol (PTMEG, e fumanoang ke THF polymerization), polyether e phahameng ea tshebetso elastomer. le spandex elastic fiber (PTMEG le diisocyanate synthesis), unsaturated polyester resin, polyester polyol, butanediol ether solvent, hammoho le indasteri ea meriana le ea litlolo.1, 4-butanediol e ka boela ea sebelisoa ho hlahisa N-methylpyrrolidone, adipic acid, acetal, maleic anhydride, 1, 3-butadiene joalo-joalo.
Y-butanolactone, sehlahisoa se tlaase sa 1, 4-butanediol, ke lisebelisoa tse tala bakeng sa tlhahiso ea lihlahisoa tsa 2-pyrrolidone le N-methylpyrrolidone.Ho tloha ho sena, letoto la lihlahisoa tse phahameng tsa boleng bo phahameng tse kang vinyl pyrrolidone le polyvinyl pyrrolidone li nkiloe, tse sebelisoang haholo masimong a chefo e bolaeang likokoanyana, meriana le litlolo.
Lefapheng la POLYURETHANE, ho phaella ho motsoako oa polytetrahydrofuran polyol, haholo-holo e sebelisoang ha ho etsoa polyester diol le ho sebelisoa e le elastomer, microporous polyurethane shoes chain extender, polybutanediol adipate ester polyurethane e na le crystallization e ntle.
Chefo eaChefo e tlase, boleng ba chefo e matla ea molomo LD50= 1500-1780mg/kg ho likhoto, boleng ba chefo ea 'mutlanyana LD50>2000mg/kg.
