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作 者:刘野[1] 王莹 赵毅磊[1] 王刚[1] 朱金华[1] LIU Ye;WANG Ying;ZHAO Yi-lei;WANG Gang;ZHU Jin-hua(Institute of Petrochemistry,Heilongiang Academy of Sciences,Harbin 150040,China;Hangzhou Sejoy Electronics&Instruments Co.,Ltd,Joytech Healtheare Co,Lid,Hangzhou 311103,China)
机构地区:[1]黑龙江省科学院石油化学研究院,黑龙江哈尔滨150040 [2]浙江健拓医疗仪器科技有限公司,浙江杭州311103
出 处:《化学与粘合》2022年第2期115-117,146,共4页Chemistry and Adhesion
摘 要:采用共聚的丙烯酸甲酯-丁二烯-苯乙烯核壳结构微纳米橡胶粒子增韧氰酸酯1环氧树脂。研究结果表明,加入核壳粒子后,CEEP树脂韧性获得提高。随着核壳粒子用量从Ophr增加到30phr,室温剪切强度和90°剥离强度逐渐增加,150℃剪切强度轻微下降。热失重研究结果表明.核壳粒子加入后,树脂体系固化物起始热分解温度仅下降了5~10℃,下降幅度较小。SEM微观形貌显示,随着核壳粒子用量的增加,树脂由脆性断裂演变为韧性断裂。The cyanate ester/epoxy resin is toughened with the micro-nano rubber particles with a copolymerized methyl acrylate-butadiene-styrene core-shell structure.The results show that the toughness of CE/EP resin is greatly improved by adding core-shell rubber particle.With the in-crease of the content of core-shell particles from 0 to 30phr,the room temperature shear strength and 90 peel strength gradually increases,however the shear strength at 150℃decreases slighuly.The thermal weight loss study indicates that the initial thermal decomposition temperature of the cured resin system decreases by only 5~10℃with the addition of core-shell rubber particles.The SEM image shows that the resin changes from britle frac-ture to ductile fracture with the increase of the amount of core-shell rubber particles.
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