Patent ID: 9645066
Date: 2017-05-09
CPC Classifications: C08F,C08J,C08L,G01N

Claim:
1. A method of preparing a polymer article comprising: determining a zero-shear viscosity for a polymer sample; sieving the polymer sample to produce a plurality of sieved polymer samples; determining a molecular weight distribution for each of the plurality of sieved polymer samples; determining a zero-shear viscosity for each of the plurality of sieved polymer samples; determining a compositional diversity of each of the plurality of sieved polymer samples based on a ratio of the zero shear viscosity for each of the plurality of sieved polymer samples to the zero shear viscosity for the polymer sample; identifying a polymer sample having a compositional diversity for the polymer sample of less than about 2; and preparing a polymer article from the identified polymer sample.