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发明授权
CN106317793B 用于生产耐热老化绝缘膜的PET复合物及其制备方法 有权

用于生产耐热老化绝缘膜的PET复合物及其制备方法
摘要：
本发明涉及一种用于生产耐热老化绝缘膜的PET复合物，其原料组成按质量份，包含100份的PET切片、0.1～1.0份的双噁唑啉基苯、0.1～1.0份的季戊四醇、0.1～1.0份的亚磷酸三苯酯、0.01‑0.50份的双酚A型环氧树脂，其中，所述双酚A型环氧树脂的软化点在85～155℃，环氧值在0.02～0.14eq/100g。具有工艺流程简单，能降低PET高温降解速度，提高其热老化行为，延长绝缘膜在高温条件下的使用寿命，不含对人体、环境有害的添加剂，可用于生产190℃等级耐热老化绝缘膜。
摘要（英）：

The invention relates to a PET (polyethylene terephthalate) composite for producing a thermal aging resistant insulating film. The PET composite comprises the following raw materials in parts by mass: 100 parts of PET chips, 0.1-1.0 part of bisoxazolinyl benzene, 0.1-1.0 part of pentaerythritol, 0.1-1.0 part of triphenyl phosphite and 0.01-0.50 part of bisphenol A type epoxy resin, wherein the softening point of the bisphenol A type epoxy resin is 85-155 DEG C; the epoxy value of the bisphenol A type epoxy resin is 0.02-0.14eq/100g. The PET composite is simple in process procedures, the high-temperature degradation speed of the PET can be reduced, the thermal aging resistance of the PET composite can be improved, the service life of the insulating film under a high-temperature condition can be prolonged, and the PET composite is free of additives harmful for human bodies and the environment, and can be used for producing the thermal aging resistant insulating film of a grade of 190 DEG C.

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