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Pitch composition for preparing carbon fiber

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专利汇可以提供Pitch composition for preparing carbon fiber专利检索,专利查询,专利分析的服务。并且PURPOSE: A pitch composition, containing a specific quinoline-soluble component, and having a specified values of a specific gravity and aromaticity and high viscoelasticity at the spinning temperatue and excellent melt spinning properties.
CONSTITUTION: A pitch composition, containing ≥30wt%, preferably 50W70wt%, quinoline-soluble component, having 1.29W1.40, preferably 1.30W1.35, specific gravity at 20°C and 0.45W0.9, preferably 0.5W0.8, aromaticity and within 700W 1,700, preferably within 800W1,500, number average molecular weight range of the above-mentioned quinoline-soluble component, and prepared preferably from coal tar pitch as a raw material. The quinoline-soluble component contains hydrogen (HA) having 5W7ppm chemical shift and hydrogen (HB) having 3W4ppm chemical shift based on the TMS in the
1 H-NMR as respectively as follows: 4.5W 10% and 2.5W7.5%.
COPYRIGHT: (C)1984,JPO&Japio,下面是Pitch composition for preparing carbon fiber专利的具体信息内容。

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