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发明公开
CN105733219A 一种液晶聚酯组合物 无效 - 驳回

一种液晶聚酯组合物
摘要：
本发明公开了一种液晶聚酯组合物，基于液晶聚酯组合物的总重量，金属钛元素的重量含量为1ppm?800ppm。所述金属钛元素的重量含量的测试方法：将液晶聚酯组合物在120℃干燥4小时，取1g待处理样品，加入硝酸和双氧水，加热2小时，期间不断加入硝酸和双氧水；样品的消解完成后，取消解后的试样，采用Agilent公司型号为720ES的全自动电感耦合等离子体原子发射光谱仪分析样品中金属钛元素的重量含量。本发明通过选用在液晶聚酯组合物配方中添加金属钛元素的重量含量基于液晶聚酯组合物的总重量为1ppm?800ppm时，得到的液晶聚酯组合物的拉伸强度提高明显，且高温耐热稳定性得到意想不到的显著改善。
摘要（英）：

The invention discloses a liquid crystal polyester composition.Based on the total weight of the liquid crystal polyester composition, the content by weight of a metallic titanium element ranges from 1 ppm to 800 ppm.A testing method for the content by weight of the metallic titanium element comprises the steps that the liquid crystal polyester composition is dried for 4 h at 120 DEG C, 1 g of sample to be treated is taken, nitric acid and hydrogen peroxide are added, heating is conducted for 2 h, and nitric acid and hydrogen peroxide are continuously added during the heating process; after digestion of the sample is completed, the digested sample is taken, and the content by weight of the metallic titanium element in the sample is analyzed through a full-automatic inductive coupling plasma atomic emission spectrometer with the model of 720ES of the Agilent company.According to the liquid crystal polyester composition, when the content by weight of the metallic titanium element added to a formula of the liquid crystal polyester composition ranges from 1 ppm to 800 ppm on the basis of the total weight of the liquid crystal polyester composition, the tensile strength of the obtained liquid crystal polyester composition is obviously improved, and the high-temperature heat-resistant stability is unexpectedly and significantly improved.

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