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Variable Hard Segment Length in Poly(urethane urea) through Excess of Diisocyanate and Vapor Phase Addition of Water

✍ Scribed by Basse Asplund, J. O.; Bowden, Tim; Mathisen, Torbjörn; Hilborn, Jöns

Book ID
120391381
Publisher
American Chemical Society
Year
2006
Tongue
English
Weight
136 KB
Volume
39
Category
Article
ISSN
0024-9297

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Effect of Soft Segment Length and Chain
Effect of Soft Segment Length and Chain Extender Structure on Phase Separation and Morphology in Poly(urethane urea)s
✍ Katrin Gisselfält; Bertil Helgee 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 233 KB

## Abstract The phase separation and morphology in poly(urethane urea)s were investigated as soft segment length and chain extender structure were varied. Increases in soft segment length led to increased phase separation that resulted in greater mobility of the soft segment. This was shown by lowe