低粘度酚醛环氧阻燃树脂的制备与性能研究  

Preparation and Properties of Low Viscosity Phenolic Epoxy Flame Retardant Resin

作　　者：许安祥 彭永利[1] 蔡建国 高攀 XU An-xiang;PENG Yong-li*;CAI Jian-guo;GAO Pan(School of Materials Science and Engineering,Wuhan Institute of Technology,Wuhan 430074;Wuhan Benbang Composite Material Technology Co.,LTD,Hubei Ezhou 436070)

机构地区：[1]武汉工程大学材料科学与工程学院,武汉430074 [2]武汉本邦复合材料科技有限公司,湖北鄂州436070

出　　处：《胶体与聚合物》2023年第4期157-160,共4页Chinese Journal of Colloid & Polymer

基　　金：鄂州市2022重点研发专项(EZ01-005-20220062);武汉工程大学研究生教育创新基金项目(CX2022245)。

摘　　要：本文制备了一种低粘度的酚醛环氧阻燃树脂,采用FTIR和~1H NMR等对其化学结构进行表征,并重点研究了该树脂的粘度、阻燃性以及力学性能。结果表明,本文制得的树脂产物所测环氧值为0.64,在25℃下所测粘度为15.04 Pa·s,树脂与三乙烯四胺固化物极限氧指数为29%,燃烧等级为UL-94 V-0级,且无熔滴滴落,拉伸强度为49.24 MPa,断裂伸长率为14.13%,弯曲强度为28.48 MPa,冲击强度为36.28 MPa,热变形温度为139.6℃。In this study,a low-viscosity phenolic epoxy flame retardant resin was synthesized.The chemical structure was characterized using techniques such as FTIR and 1H NMR.Emphasis was placed on investigating the resin's viscosity,flame retardancy,and mechanical properties.The results indicate that the epoxy value of the synthesized resin product was measured at 0.64.The viscosity at 25℃was 15.04 Pa·s.The resin-cured product with triethylenetetramine exhibited a limiting oxygen index of 29%,achieving a UL-94 V-0 rating with no dripping during combustion.Furthermore,the tensile strength was 49.24 MPa,the elongation at break was 14.13%,the flexural strength was 28.48 MPa,and the impact strength was 36.28 MPa.The heat distortion temperature was 139.6℃.

关 键 词：酚醛环氧树脂 低粘度 阻燃 极限氧指数 

分 类 号：TQ323[化学工程—合成树脂塑料工业]