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Chain extenders for polyesters. VI. Properties of the polyesters chain-extended by 2,2′-bis(4H-3,1-benzoxazin-4-one)

✍ Scribed by Hiroo Inata; Shunichi Matsumura


Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
339 KB
Volume
34
Category
Article
ISSN
0021-8995

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## Abstract A series of eight polyurethane elastomers was prepared using a two‐step bulk polymerization procedure to investigate the effect of the siloxane chain extender 1,3‐bis(4‐hydroxybutyl)1,1,3,3‐tetramethyldisiloxane (BHTD) on polyurethane properties and morphology. All polyurethanes were ba