Mixed blocked isocyanate prepolymers, a process for their produc

Details Mixed blocked isocyanate prepolymers, a process for their produc Mixed blocked isocyanate prepolymers, a process for their produc

1995-05-31

1996-04-23

Seidleck, James J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 45, 528 49, 528 52, 528 60, 528 61, 528 68, 528 73, 528116, 528124, 528407, 528418, 528421, 5483741, 5483751, 560 25, 560 26, 560358, 564 48, 564 50, 564 52, C08L 6300, C08L 7508, C08G 1880, C07D23112

Patent

active

055104320

ABSTRACT:
Isocyanate prepolymers based on an aromatic diisocyanate and a polyether polyol in which at least 95% of the isocyanate groups are blocked by blocking agents selected from

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patent: 4976837 (1990-12-01), Hughes et al.
patent: 5034495 (1991-07-01), Hansen et al.
patent: 5138011 (1992-08-01), Markusch et al.
patent: 5210169 (1993-05-01), Muhlebach et al.
patent: 5391681 (1995-02-01), Muhlebach et al.

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