Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1995-01-27
1995-11-14
Buttner, David
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525113, 525117, 525175, 525176, 525186, 525223, 5253288, 525383, 525385, 525439, 525523, 526269, C08L 3700, C08L 3314, C08F12400, C08F12028
Patent
active
054667542
ABSTRACT:
A curable resin composition utilizing as the crosslinking mechanism thereof an acid catalyzed addition reaction of a cyclic alkylenecarbonate group with an alcoholic hydroxyl group is disclosed. The composition contains a compound or polymer having a plurality of 6-membered cyclic alkylenecarbonate groups and a polymer having a plurality of alcoholic hydroxyl groups. A polymer having pluralities of the cyclic alkylenecarbonate and hydroxyl groups in a single entity may also be used. The composition cures at room or elevated temperatures depending upon the acidity and amount of particular acid catalyst incorporated to the composition.
REFERENCES:
patent: 3507884 (1970-04-01), Hostettler
patent: 5374699 (1994-12-01), Iwamura
Morimoto Takao
Nakano Shinji
Buttner David
Daicel Chemical Industries Ltd.
Nippon Paint Co. Ltd.
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