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Physical properties of some vinyl tetrahydroabietate and vinyl maleopimarate acid anhydride copolymers

✍ Scribed by F. C. Magne


Publisher
John Wiley and Sons
Year
1968
Tongue
English
Weight
183 KB
Volume
12
Category
Article
ISSN
0021-8995

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✦ Synopsis


The stress-strain and torsional characteristics of some experimental copolymers of vinyl tetrahydroabietate and vinyl maleopimarate acid anhydride with vinyl chloride and vinyl acetate have been determined. Similar studies were also undertaken on peroxide-cured compositions of a vinyl chloride-vinyl tetrahydroabietate copolymer. Elastic moduli for the uncured copolymers range from 80,200 to 338,000 psi. Cured compositions of vinyl chloride-vinyl tetrahydroabietate copolymer exhibited both lower and higher moduli than that of the uncured copolymer. Some of the cured compositions appear to have an improved inipact resistance over that of the uncured polymers.


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