Blocked isocyanates III: Part A. Mechanisms and chemistry
✍ Scribed by Douglas A. Wicks; Zeno W. Wicks Jr.
- Book ID
- 114215715
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- English
- Weight
- 666 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0033-0655
No coin nor oath required. For personal study only.
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## Abstract Isoprene–urea and butadiene–urea block polymers have been prepared by reaction of isocyanate‐terminated prepolymers with diamines and diisocyanates. It was found that the per cent of blocked urea in these copolymers is dependent on the isocyanate–diamine stoichiometry. Stress–strain dat
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