nūhou

Inā hoʻohana ʻia nā ʻawaʻawa momona i loaʻa he 16 a ʻoi aʻe paha nā kalapona kalapona i kēlā me kēia mole i ka synthesis o nā polyglycosides alkyl, hiki ke hoʻoheheʻe ʻia ka huahana i ka wai ma nā haʻahaʻa haʻahaʻa loa, ʻo ia ka DP o 1.2 a i 2. Ua kapa ʻia lākou ma hope nei he alkyl hiki ʻole i ka wai. polyglycosides.Ma waena o kēia mau polyglycosides alkyl, ʻoi aku ka mana o nā ʻano nonpolar ma muli o ke kaulahao alkyl lōʻihi.
ʻO ka hopena o ka glucose i ʻike ʻia me nā dodecanols/tetradecanols e pili nui ana i ka synthesis o nā polyglycosides alkyl hiki ʻole i ka wai, e like me cetyl/octadecyl polyglycosides. Loaʻa nā hopena catalyzed acid i nā mahana like, nā kaomi, a me nā ratio molar ma waena o nā meaʻai. Eia nō naʻe, ma muli o ko lākou haʻahaʻa haʻahaʻa, ʻoi aku ka paʻakikī o kēia mau huahana e hoʻomaʻemaʻe a hoʻomaʻemaʻe e like me nā paʻi wai. He mea nui ka hana ʻana i nā huahana me ka haʻahaʻa haʻahaʻa a me ke kala māmā ma hope o ke kaʻina hana, no laila e pale aku ai i ka mālama ʻana.
ʻO ka mea nui i makemake ʻole ʻia ʻo ka polyglucose. Eia kekahi, ʻo ka loaʻa ʻana o nā kiʻekiʻe kiʻekiʻe o ka polyglucose he mea paʻakikī ke hoʻokaʻawale i ka hui ʻana ma o ka distillation, no ka mea, hiki i ka polyglucose ke decompose wikiwiki loa i ka piʻi ʻana o ka mahana. Hoʻopilikia kēia i nā waiwai hana.
Ma muli o ka piʻi nui ʻana o ka hoʻokumu ʻana o ka polydextrose ma kahi kokoke i ka hopena o ka hopena, e hoʻopau koke ka hopena ma kahi o 80% ka hoʻololi glucose ma ka hoʻohaʻahaʻa ʻana i ka mahana a me ka hoʻokaʻawale ʻana i ka catalyst. No ka hōʻoia ʻana i ka maikaʻi o ka huahana like ʻole a me ka reproducible, hoʻohana ʻia ka loiloi pūnaewele e nānā pono i ka hoʻololi. I ka pau ʻana, aia ka glucose i hana ʻole ʻia ma ke ʻano he paʻa paʻa a hiki ke wehe maʻalahi ʻia e ka kānana ʻana. Ma hope o ka wehe ʻia ʻana o ka glucose, loaʻa ka huahana ma kahi o 1-2q polydextrose, kahi emulsified i loko o nā droplets maikaʻi loa. Ma ke koho ʻana i ke kōkua kānana kūpono, hiki ke hoʻopau loa ʻia ka polydextrose i ka hana kānana ʻelua.
Loaʻa ka huahana glycose a me ka polydextrose-noa he 15 a 30% o nā kaulahao lōʻihi (C 16/18) alkyl polyglycosides a me 85 a 70% o ka waiʻona momona (C16/18-OH) i loaʻa ma kēia kaʻina hana. No ka mea he kiʻekiʻe ka helu heheʻe o ka huahana, kūʻai maʻamau ia ma ke ʻano he paʻa ma ke ʻano o nā flakes a i ʻole nā ​​pellets.
Hiki ke ʻae ʻia nā pae kiʻekiʻe o nā ʻawaʻawa kaulahao lōʻihi no ka mea he nui nā lotions hoʻonaninani i loko o ka nui o ka waiʻona like. No laila, hiki ke hoʻohana pololei ʻia nā alkyl polyglycosides e like me nā alkyl polyglycosides/fatty alcohols.
ʻO nā ʻano like ʻole o ka wai-insoluble alkyl polyglycosides i loaʻa ma kahi o 500% alkyl polyglycosides a me 500% fatty alcohols. I kēia hihia, hoʻoneʻe ʻia kahi hapa o ka waiʻona momona e ka distillation a hoʻopau ʻia ka decomposition thermal ma ka mālama ʻana i ka mahana a me ka manawa noho. haahaa e like me ka hiki. (Figure 7) Hoʻonui nui kēia ʻano huahana koʻikoʻi i ka laulā o nā noi o nā polyglycosides alkyl hiki ʻole i ka wai.
Kiʻi 7. Ke kiʻi kahe no ka hana ʻana o C16,18 alkyl polyglycoside


Ka manawa hoʻouna: Oct-18-2020