首页> 外文期刊>Journal of Applied Polymer Science >ACCURATE DESCRIPTION OF INTRINSIC VISCOSITY CHANGES UNDER POLYMER DEGRADATION - THE SCHULZ BROAD DISTRIBUTIONS
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ACCURATE DESCRIPTION OF INTRINSIC VISCOSITY CHANGES UNDER POLYMER DEGRADATION - THE SCHULZ BROAD DISTRIBUTIONS

机译:聚合物降解下内在粘度变化的精确描述-舒尔兹宽带分布

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For the Schulz broad distributions with initial weight-polydispersity from 2 to 10, the correlation between the intrinsic viscosity and the degradation degree, DD = ln(M(n0)/M(n)), has been found as the following equation system: In[eta] = ln[eta](0) - a(ln P-0 - In P + DD); P = P-F + (P-0 - P-F) X exp((S-0 - 1.43)(exp(-S X DD) - 1)/SS - 1.43 X DD); S-0 = 0.33 + 0.557 X P-w0; SS = 1.962 + 0.9428 X ln(P-w0 - 1). Here P-0, P, and P-F are viscosity-polydispersities: initial, current, and that of the Flory distribution, respectively. This correlation inaccuracy has been assessed to be about 2%. (C) 1996 John Wiley & Sons, Inc. [References: 3]
机译:对于初始重量-多分散度为2至10的Schulz宽分布,特性粘度和降解度DD = ln(M(n0)/ M(n))之间的相关关系已发现为以下方程式: Inη=lnη(0)-a(ln P-0-In P + DD); P = P-F +(P-0-P-F)X exp((S-0-1.43)(exp(-S X DD)-1)/ SS-1.43 X DD); S-0 = 0.33 + 0.557 X P-w0; SS = 1.962 + 0.9428 X ln(P-w0-1)。这里的P-0,P和P-F是粘度-多分散性:分别是初始,电流和弗洛里分布。估计该相关误差约为2%。 (C)1996 John Wiley&Sons,Inc. [参考:3]

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