引用本文:
于旻, 张兆谟, 宋法江, 隋雪梅. 聚二甲基硅氧烷的通用粘度方程和无扰尺寸[J]. 应用化学,
1990, 7(5): 49-53.
Citation: Yu Min, Zhang Zhaomo, Song Fajing, Sui Xuemei. A UNIVERSAL INTRINSIC VISCOSITY-MOLECULAR WEIGHT EQUATION FOR POLYDIMETHYLSILOXANE AND ITS UNPERTURBED DIMENSION[J]. Chinese Journal of Applied Chemistry, 1990, 7(5): 49-53.
Citation: Yu Min, Zhang Zhaomo, Song Fajing, Sui Xuemei. A UNIVERSAL INTRINSIC VISCOSITY-MOLECULAR WEIGHT EQUATION FOR POLYDIMETHYLSILOXANE AND ITS UNPERTURBED DIMENSION[J]. Chinese Journal of Applied Chemistry, 1990, 7(5): 49-53.
聚二甲基硅氧烷的通用粘度方程和无扰尺寸
English
A UNIVERSAL INTRINSIC VISCOSITY-MOLECULAR WEIGHT EQUATION FOR POLYDIMETHYLSILOXANE AND ITS UNPERTURBED DIMENSION
Abstract:
A simple and convenient procedure for the transforming the Cheng-Yan instrinsic visco-sity-molecular weight equation with three paramaters,A,B, and Kθ:[η]=Kθ[A+(1+AB)M1/2+BM] into a lincar equation of M1/2:([η]-[η]o/(M1/2-Mo1/2)=[Kθ(1+AB)+KθBMo1/2]+KθBM1/2 was proposed.The unperturbed dimension of polydimethylsiloxane obtained from the deduced equation is in agreement with the results from the empirical equations such as KF, SF and IF equations. The new equation avoids the arbitrainess of the empirical equations in estimating the unperturbed dimension.
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