Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1992-10-26
1994-07-19
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524501, 524502, 524505, 524523, 524371, 524409, 5263184, 428252, 428287, 428458, C08L 3300
Patent
active
053310403
ABSTRACT:
An adhesive composition containing a latex binder, a latex plasticizer and a functional filler. The latex plasticizer includes a copolymer comprising (1) 0-15% by weight, based upon the weight of the copolymer, of acrylonitrile, methacrylonitrile or mixtures thereof, (ii) 80-85% by weight, based upon the weight of the copolymer, of butyl acrylate, ethyl acrylate, 2-ethylhexyl acrylate, lauryl acrylate, lauryl methacrylate, octyl acrylate, heptyl acrylate, or mixtures thereof, and (iii) 1-5% by weight, based upon the weight of the copolymer, of methacrylic acid, acrylic acid, itaconic acid, or mixtures thereof, said latex plasticizer having a T.sub.g less than that of the latex binder (a) and a decomposition temperature of at least 288.degree. C. The composition is useful for adhering polyimide films such as in the fabrication of flexible circuits.
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Cain Edward
E. I. Du Pont de Nemours and Company
Michl Paul R.
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