This paper concerns the synthesis, characterization, and physical properties of novel polyisobutylene (P1B)-based urethane model networks prepared from diphenylmethane diisocyanate (MDI) and three-arm star PI& capped with -CH,OH end groups (PIB(CH,OH),). The PIB(CH,OH), starting materials were produ
β¦ LIBER β¦
Polyisobutylene-based urethane foams. II. Synthesis and properties of novel polyisobutylene-based flexible polyurethane foams
β Scribed by Masayuki Ako; Joseph P. Kennedy
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 566 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0021-8995
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## Abstract Novel flexible polyurethane foams were successfully prepared from a renewable source, hydroxytelechelic natural rubber (HTNR) having different molecular weights (1000β3400 g mol^β1^) and variation of epoxide contents (EHTNR, 0β35% epoxidation) by a oneβshot technique. The chemical and c