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首页> 外文期刊>Journal of Applied Polymer Science >New Thermosetting Resin from Poly(p-vinylphenol) Based Benzoxazine and Epoxy Resin
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New Thermosetting Resin from Poly(p-vinylphenol) Based Benzoxazine and Epoxy Resin

机译：聚（对乙烯基苯酚）基苯并恶嗪和环氧树脂的新型热固性树脂

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摘要

Poly(p-vinylphenol) (VP) based benzoxazine was prepared from VP , forma- line, and aniline. The curing behavior of the benzoxazine with the epoxy resin and the properties of the cured resin were investigated. Consequently, the curing reaction did not proceed at low temperatures, but it proceeded rapidly at higher temperatures without a curing accelerator. The reaction induction time or cure time of the molten mixture from VP based benzoxazineand epoxy resin was found to decrease, compared with those from conventional bisphenol Abased benzoxazine and epoxy resin. The curing reaction rate ofVP based benzoxazine and epoxy resin increased more than that of conventional bisphenol Abased benzoxazine and epoxy resin. The properties of the cured resin from neat resins and from reinforced resins with fused silica were evalu- ated. The cured resins from VP based benzoxazine and epoxy resin showed good heat resistance, mechanical properties, electrical insulation, and water resistance compared to the cured resin from VP and epoxy resin using imidazole as the catalyst.
机译：聚对乙烯苯酚（VP）基苯并恶嗪是由VP，甲醛和苯胺制得的。研究了苯并恶嗪与环氧树脂的固化行为以及固化后树脂的性能。因此，固化反应在低温下不进行，但是在没有固化促进剂的情况下在较高温度下迅速进行。与常规双酚A基苯并恶嗪和环氧树脂相比，发现基于VP的苯并恶嗪和环氧树脂的熔融混合物的反应诱导时间或固化时间减少。 VP基苯并恶嗪和环氧树脂的固化反应速率比常规双酚A基苯并恶嗪和环氧树脂的固化反应速率增加更多。评价了纯树脂和熔融二氧化硅增强树脂的固化树脂的性能。与使用咪唑作为催化剂的VP和环氧树脂的固化树脂相比，VP基苯并恶嗪和环氧树脂的固化树脂显示出良好的耐热性，机械性能，电绝缘性和耐水性。

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