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Njikọ nke alkyl polyglycoside butyl ethers

Ngwongwo a na-achọkarị nke alkyl polyglycosides na-eme ka ụfụfụ dịkwuo elu.Agbanyeghị, n'ọtụtụ ngwa, a na-ewere njirimara a dị ka ihe na-adịghị mma.Ya mere, enwekwara mmasị n'ịmepụta ihe ndị na-emepụta alkyl polyglycoside nke na-ejikọta ọrụ nhicha dị mma na nanị ntakịrị ọchịchọ nke ụfụfụ.N'ịtụle ebumnuche a, a na-emepụta alkyl polyglycoside butyl ether.A maara na akwụkwọ akụkọ na alkyl glycosides nwere ike kpuchie ya na alkyl halides ma ọ bụ dimethyl sulfate na ngwọta mmiri alkaline.

N'ọtụtụ ụlọ ọrụ mmepụta ihe, mmeghachi omume na ngwọta aqueous bụ ihe na-adịghị mma n'ihi na enweghị ike ịnweta ngwaahịa na-enweghị mmiri na-enweghị ihe mgbakwunye na-arụ ọrụ.Ya mere, e mepụtara usoro na-enweghị mmiri, nke e depụtara na foto 6. A na-ebute alkyl polyglycoside na mbụ n'ime reactor na oke nke butyl chloride ma kpoo ọkụ ruo 80 ℃.A na-ebute mmeghachi omume a site na mgbakwunye nke potassium hydroxide dị ka ihe na-akpata.Mgbe mmeghachi omume ahụ gwụchara, ngwakọta mmeghachi omume na-apụ apụ, a na-ekpochapụ potassium chloride precipitate ma kpochapụ butyl chloride ngafe.Ngwaahịa a bụ nke dị iche iche alkyl polyglycosides na alkyl polyglycoside butyl ethers.Dabere na nyocha GC, oke nke alkyl monoglycoside, alkyl mono-glycoside monobutyl ether na alkyl monoglycoside polybutyl ether bụ 1: 3: 1.5.

Ọgụgụ 6. Njikọ nke alkyl polyglycoside butyl ethers

Usoro mmeghachi omume maka etherification nke C12A na-egosi alkyl polyglycoside na eserese 7. Ọdịnaya monoglycoside na-agbada site na gburugburu 70% ruo ihe na-erughị 20%.N'otu oge ahụ, uru maka monoether na-ebili na 50%.Ka monobutyl ether dị ugbu a, otú ahụ ka e nwere ike isi na ya mepụta ọtụtụ ethers polybutyl.Naanị mgbe awa 24 gachara, a na-enwe mmetụta ọ bụla dị mkpa nke polybutyl ethers.Dị ka a tụrụ anya, ọdịnaya nke polyethers na-abawanye na oge mmeghachi omume na-abawanye.Agbanyeghị, uru nke 20% agafebeghị.Nkezi ogo etherification bụ 1 ~ 3 butyl kwa otu alkyl glycoside.Mmetụta mmeghachi omume nke C12Alkyl glycoside bụ ihe kacha mma.N'ihe gbasara N = 8 ma ọ bụ 16 alkyl polyglycoside butyl ether, nsonaazụ ya dara.

Site na ihe atụ atọ a, o doro anya na ihe ndị na-emepụta nke alkyl glycosides dị ngwa ngwa. Ojiji pụrụ iche a na-atụ anya na-adaberekwa na njirimara elu-arụ ọrụ nke ihe ndị a.

Ọgụgụ 7. Mmeghachi omume nke C12 alkyl polyglycoside na butyl chloride


Oge nzipu: Eprel-09-2021