Amino-terminated polybutadienes

Details Amino-terminated polybutadienes Amino-terminated polybutadienes

2005-02-15

2005-02-15

Teskin, Fred (Department: 1713)

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

Synthetic resins

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

C525S122000, C525S131000, C525S177000, C525S338000, C525S378000, C525S379000, C525S385000, C525S911000, C528S061000, C528S068000, C528S211000, C528S229000, C528S271000, C528S339000, C528S363000, C564S478000, C564S479000, C564S480000

Reexamination Certificate

active

06855776

ABSTRACT:
Improved amine-terminated polybutadienes (ATPBs) having one or two terminal groups of the formula —CHRNH2wherein R is C1-C20alkyl, are prepared by aminating a secondary hydroxyl-terminated polybutadiene having no ether groups. The ATPBs may be hydrogenated or partially hydrogenated, either prior to or after the animation, to saturate or partially saturate the polymers. Preferred ATPBs are of the formula H2NCHR-(polybutadiene)-CHRNH2wherein R is C1-C20alkyl. Polyureas, polyurethanes, crosslinked epoxies, polyamides, and other derivatives with improved properties can be prepared from the ATPBs. The resultant derivatives are useful in liquid binders for braking systems, electric potting compositions, coatings, adhesives, sealants, and water proofing membranes, for example.

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patent: 05353345 (1995-08-01), None
V. Edward Lindsell and Stephen Tait. Synthesis and Characterization of α, ωandαand-functionalized hydrogenated polybutadienes: telechelic and semi-telechelic amine and phosphite terminated polymers.

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