Determination of molecular-weight distribution and average molecular weights of block copolymers by gel-permeation chromatography
โ Scribed by V.V. Nesterov; O.I. Kurenbin; V.D. Krasikov; B.G. Belenkii
- Book ID
- 118994830
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 461 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0039-9140
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Gel permeation chromatograms of block copolymers of cis 1:4 polyisoprene and polystyrene with narrow molecular weight and composition distributions have been examined by the normal -probability plot method. The parameters l~lw, 1~I, and standard deviation ~ have been evaluated and the results compar
The number-and weight-average molecular weights of several statistical and high ortho novolac resins were determined using gel permeation chromatography (GPC). The standards used were pure compounds having between 2 and 12 phenol units bridged via methylene linkages. Three series of compounds were s