The Structure-Property Relationship of a New Series of Polyurethane Elastomers
✍ Scribed by Blaich, C.F.
- Book ID
- 126599287
- Publisher
- SAGE Publications
- Year
- 1969
- Weight
- 547 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0022-071X
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## Abstract Structural and mechanical data have been compared for reaction injection molding (RIM) polyurethanes prepared from uretonimine‐modified diphenylmethane 4,4′‐diisocyanate (MDI), ethylene glycol (EG), and a polyol (a polyether; __M__~__n__~ ≃ 5000), in order to investigate the effect of a
## Abstract The phase‐separation behavior and morphology of polycarbonate‐based polyurethanes were investigated as a function of the soft‐segment molecular weight and chemical structure and the 4,4′‐diphenylmethane diisocyanate/1,4‐butanediol based hard‐segment contents. Polarized optical microscop