Kedu ihe bụ butylene glycol? Nyocha zuru oke nke kemịkalụ a
Gịnị bụ butanediol? Aha butanediol nwere ike ịdị ka ndị mmadụ amaghị ama, mana butanediol (1,4-Butanediol, BDO) na-arụ ọrụ dị oke mkpa na ụlọ ọrụ kemịkalụ na ndụ kwa ụbọchị. Isiokwu a ga-enye gị nkọwa zuru ezu nke njirimara na ojiji nke butanediol na mkpa ọ dị na ụlọ ọrụ dị iche iche.
I. Njirimara kemịkalụ na Ọdịdị nke Butanediol
Gịnị bụ butanediol? Site n'echiche kemịkalụ, butanediol bụ ngwakọta organic nwere otu hydroxyl abụọ (-OH) na usoro kemịkalụ bụ C4H10O2. Ọ bụ mmiri na-enweghị agba, viscous mmiri nwere ezigbo solubility, nke enwere ike ịgbaze n'ụdị ihe mgbaze dị iche iche dị ka mmiri, alcohols, ketones, wdg. Ọdịdị molekụla nke butanediol nwere otu hydroxyl abụọ, usoro kemịkal bụ C4H10O2. N'ihi na nke molekụla Ọdịdị nwere abụọ hydroxyl otu, butanediol na chemical mmeghachi omume na-egosi elu reactivity, nwere ike isonye na esterification, etherification, polycondensation na ndị ọzọ chemical mmeghachi omume.
Nke abụọ, isi ojiji nke butanediol
Ịchọgharị ihe bụ butanediol enweghị ike ikewapụ ya na ngwa ya sara mbara na ụlọ ọrụ. A na-ejikarị Butylene glycol eme ihe na-emepụta polymers, ihe mgbaze na ụfọdụ ihe etiti kemịkalụ dị mkpa.
Mmepụta polymer: butanediol bụ ihe dị mkpa maka mmepụta nke polyurethane na polyester resins. Na mmepụta nke polyurethane, a na-eji ya dị ka ihe na-eme ka agbụ ígwè na ihe dị nro na-eme ka ngwaahịa ahụ dịkwuo mma ma na-eyi nguzogide; N'ime mmepụta polyester, butylene glycol bụ isi akụrụngwa maka mmepụta nke polyester thermoplastic (dịka PBT) na resin polyester na-enweghị ike.

Ihe mgbaze: N'ihi ezigbo solubility ya, a na-ejikwa butylene glycol dị ka ihe mgbaze na ngwa dị iche iche na ụlọ ọrụ eletrọnịkị, mkpuchi, ihe ncha na ihe ịchọ mma. Karịsịa na ihe ịchọ mma, butylene glycol na-arụ ọrụ dị ka ihe na-ekpo ọkụ na ihe mgbaze, na-enyere aka melite nkwụsi ike ngwaahịa na ductility.

Chemical intermediates: Butylene Glycol bụ ihe dị mkpa dị mkpa maka mmepụta tetrahydrofuran (THF) na gamma-butyrolactone (GBL) .THF na-ejikarị eme ihe na mkpuchi dị elu, adhesives na ụlọ ọrụ ọgwụ, ebe GBL bụ etiti dị mkpa na-eji na mmepụta ihe. nke pesticides, pharmaceuticals na ihe mgbaze.

Nke atọ, usoro mmepụta nke butanediol
N'ịghọta ihe butanediol bụ, ịkwesịrị ilekwasị anya na usoro mmepụta ya. Ugbu a, ụzọ isi mepụta butanediol gụnyere:
Aldehyde-alcohol condensation method: Nke a bụ usoro mmepụta ihe a na-ejikarị eme ihe, site na condensation nke acetaldehyde na formaldehyde na-emepụta 1,3-dioxolane, na mgbe ahụ hydrolysed na-emepụta butanediol. Usoro a nwere uru nke usoro tozuru okè na ọnụ ala akụrụngwa dị ala.

Usoro Ethylene oxide: Ethylene oxide na-emeghachi omume na carbon dioxide n'okpuru ọrụ nke ihe na-eme ka ọ na-emepụta vinyl carbonate, nke a na-emezi hydrolysed iji mepụta butanediol. Ọnọdụ mmeghachi omume nke usoro a dị nro, mana itinye ego na akụrụngwa dị elu.

IV. Atụmanya ahịa nke Butanediol
N'ịtụle ihe butanediol bụ, ọ dịkwa mkpa inyocha atụmanya ahịa ya. Site na mmụba nke ụwa niile maka akụrụngwa arụmọrụ dị elu, ahịa ahịa butanediol na-etokwa kwa afọ. Karịsịa n'ọhịa nke ngwaahịa eletrọnịkị, ụgbọ ala ike ọhụrụ na mkpuchi gburugburu ebe obibi, ọchịchọ butanediol na-ekwe nkwa.
Site na ọganihu nke teknụzụ, nyocha na mmepe nke butanediol dabeere na bio na-aga n'ihu nke nta nke nta. Ngwa nke akụrụngwa a na-emegharị ọhụrụ ga-agbasawanye ohere ahịa maka butanediol ma nyekwa aka belata ịdabere na akụrụngwa petrochemical.
Mmechi
Gịnị bụ butanediol? Ọ bụghị naanị ihe dị mkpa kemịkalụ akụrụngwa nwere ọtụtụ ngwa n'ọtụtụ ụlọ ọrụ, mana ọ na-adọtakwa uche maka njirimara kemịkalụ ya dị mma na ntụgharị. N'ọdịnihu, na ọganihu nkà na ụzụ na ịba ụba ahịa ahịa, butanediol ga-egosi uru ya dị mkpa na mpaghara ndị ọzọ.