【摘要】 以酚类化合物、甲醛和胺类化合物为原料合成含苯并恶嗪环结构的树脂溶液，用其浸渍玻璃布，在热压下苯并恶嗪发生开环聚合，从而制得一种新型开环聚合酚醛树脂基玻璃布层压板（ＭＤＡＰＦ-２-ＧＦ）。性能测试表明，这种层压板具有良好的力学性能、电性能和耐高温性能．可用作１８０℃下工作的结构材料及电绝缘材料。更多还原

【Abstract】 A new type precursor containing benzoxzine was synthesized with phenol,formaldihyed and aromatic diamine, and the correspondant glass-cloth pre-preg was alsomade. Therefore, a new glass-cloth laminate was prepared via ring-opening polymeriaztion ofbenzoxazine with no by-product under the processing condition of heating at 180 C andpresure of 6 MPa a for 4 hours. This laminate had excellent mechanical, dielectric and heatresistant Properties and can be used as structural and insulating materials working at 180 t.its flexual strength and vollum resistivity were 612 MPa and 1. 1 10`12 M at RT, as well as519 MPa and 4.7 10`10 M 180C, respectively.更多还原