Molecular structure of bimodal polymer networks
β Scribed by Wu, Wen Li; Jong, Lei; Hanyu, Aiko; Coyne, Laurence D.; Stein, Richard S.
- Book ID
- 127320180
- Publisher
- American Chemical Society
- Year
- 1990
- Tongue
- English
- Weight
- 387 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0024-9297
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π SIMILAR VOLUMES
## Abstract Gel permeation chromatograms of a hinderedβphenolic, branched condensation polymer display pronounced bimodality at high conversion. The true molecular weight distributions, obtained by means of a GPC calibration curve based on narrowβdistribution fractions, exhibit corresponding anomal
A possible model for the formation of interpenetrating polymer networks is suggested. Phase separation is assumed to be faster than gelation. This implies that domains rich in either component grow first until late stages of spinodal decomposition. In these domains, short linear chains are crosslink