CAJ | 학술논문

以三氯氧磷、乙醇及1,4-丁二醇为主要原料,二氯乙烷为溶剂,辛酸亚锡为催化剂,三聚氰胺为缚酸剂,制备了含磷高分子阻燃剂HMPP。研究了主要反应因素,确定适宜的反应条件为n（三氯氧磷）∶n（乙醇）∶n（1,4-丁二醇）为1∶1∶1,0℃滴加入乙醇,反应依次在25、45、65℃分别保温反应2、2、1 h。反应产率94.2%,产物数均分子量19 769,多分散指数1.88。用FTIR、1H-NMR和GPC表征了产物结构。在聚氨酯软质泡沫中应用表明HMPP具有良好的阻燃性。
이삼록양린、을순급1,4-정이순위주요원료,이록을완위용제,신산아석위최화제,삼취청알위박산제,제비료함린고분자조연제HMPP。연구료주요반응인소,학정괄의적반응조건위n（삼록양린）∶n（을순）∶n（1,4-정이순）위1∶1∶1,0℃적가입을순,반응의차재25、45、65℃분별보온반응2、2、1 h。반응산솔94.2%,산물수균분자량19 769,다분산지수1.88。용FTIR、1H-NMR화GPC표정료산물결구。재취안지연질포말중응용표명HMPP구유량호적조연성。
HMPP,a kind of phosphoric polymer flame retardant,was synthesized using phosphorus oxychloride,ethanol and 1,4-butanediol as precursors,dichloroethane as solvent,stannous octoate as catalyst and melamine as the acid binding agent.The main reaction factors were studied,and the proper reaction conditions were confirmed： the molar ratio of phosphorus oxychloride,ethanol and 1,4-butanediol was 1∶1∶1,and the reaction time was 2、2 and 1 h at 25、45 and 65 ℃ accordingly after dropping ethanol at 0 ℃.The yield ratio of reaction was 94.2%.MnGPC and PDI of product were 19 769,1.88 respectively.FTIR、1H-NMR and GPC were used to characterize structure of the final product.The application results of product in flexible PU foams shows good flame retardancy.