ACQUIRING MARK-HOUWINK CONSTANTS OF VDF-CTFE COPOLYMER IN ETHYL ACETATE
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GPC and intrinsic viscosity measurements of vinylidene fluoriedchlorotrifluoroethylene copolymer (mole ratio 1: 4) in ethyl acetate at 25 C were done. Based on the principle of GPC universal calibration, a method was developed for determining the Mark-Houwink constants of the system. The values of K=1. 36×10-3 and α=0. 835 were obtained. When these results are used in the calculation for GPC, the intrinsic viscosity obtained therefrom is well agreeable to that from the viscosity method, and the max relative deviation between the values from two methods is less than 2%.
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罗顺火,姬广富.氟共聚物VDF-CTFE乙酸乙酯体系的MARK-HOUWINK方程参数订定[J].含能材料,1993,1(4):31-34. Luo Shun-huo, Ji Guang-fu. ACQUIRING MARK-HOUWINK CONSTANTS OF VDF-CTFE COPOLYMER IN ETHYL ACETATE[J]. Chinese Journal of Energetic Materials,1993,1(4):31-34.