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Preparation Of Compounds By Using Micro-Organisms
(AREA)
Abstract
본 발명은 디카복실산 및 디아민으로부터 폴리아미드를 제조함에 있어서 펩신, 트럽신등 팹티아제류의 촉매를 사용하므로써 에너지를 절감하고 분자량 분포의 조절이 가능하며 촉매제거가 용이하도록 하는 제조 방법인 것이다.방법The present invention is a manufacturing method for saving energy, controlling molecular weight distribution and facilitating catalyst removal by using a catalyst such as pepsin or thrucin in the preparation of polyamides from dicarboxylic acids and diamines.
Description
폴리아미드의 제조방법Method of producing polyamide
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
Claims (6)
디바복실산과 디아민을 반응물로하여 폴리아미드를 제조하는 방법에 있어서, 반응물의 몰비를 1 : 1.5~1.5 : 1로 하고 반응혼합물을 적정용매에 용해시켜 PH를 3 ~ 10의 범위로 유지시키고 촉매로서 효소를 일정량가하여 적정온도와 적정시간 동안 종합 반응시킨 후에 용매와 효소를 제거하는 것을 특징으로 하는 폴리아미드의 제조방법.In the method for producing polyamide using dibamic acid and diamine as a reactant, the molar ratio of the reactants is 1: 1.5 to 1.5: 1 and the reaction mixture is dissolved in a suitable solvent to maintain PH in the range of 3 to 10 and as a catalyst. A method of producing a polyamide, characterized in that the solvent and the enzyme is removed after a predetermined amount of enzyme is added and a total reaction is performed at a proper temperature and a proper time.제1항에 있어서, 용매는 메탄올이나 클로로포름중 어느하나인 것을 특징으로 하는 폴리아미드의 제조방법.The method for producing a polyamide according to claim 1, wherein the solvent is either methanol or chloroform.제1항에 있어서, 촉매는 팹티다제 임을 특징으로 하는 폴리아미드의 제조방법.The method of claim 1, wherein the catalyst is faptidase.제1항 및 제3하에 있어서, 촉매는 반응혼합물에 10~1,000ppm 첨가투입하는 것을 특징으로 하는 폴리아미드의 제조방법.The method for producing a polyamide according to claim 1 or 3, wherein the catalyst is added to the reaction mixture at 10 to 1,000 ppm.제1항에 있어서, 적정온도는 30~ 70℃임을 특징으로 하는 폴리아미드의 제조방법.The method of claim 1, wherein the titration temperature is 30 ~ 70 ℃ manufacturing method of polyamide.제1항에 있어서, 적정반응시간은 30분 ~ 2시간 임을 특징으로 하는 폴리아미드의 제조방법.The method of claim 1, wherein the titration reaction time is 30 minutes to 2 hours.
KR1019950068185A1995-12-301995-12-30
Method for producing polyamide.
KR970042685A
(en)
A process for preparing pre-condensates of partially crystalline or amorphous, thermoplastically processable, partially aromatic polyamides or copolyamides.