Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1982-02-18
1984-11-27
Briggs, Sr., Wilbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525263, 525265, 525305, 5253325, 428383, 428462, C08L 900, C08F27902
Patent
active
044852185
ABSTRACT:
Encapsulating compositions for inductive devices have a polybutadiene base, predominate in trans-1,4 polybutadiene, and include cis-1,4 polybutadiene and vinyl-1,2 polybutadiene, together with an initiator, an inhibitor and a co-agent for improving the curing of the composition. The compositions are usable at higher temperatures, based on a conditioning of the composition during cure at or near the projected use temperature. When combined with high temperature conductor insulation coatings, such as polyimides, a high temperature soft cure encapsulation is achieved from which an inductive device may be liberated without damage to the device.
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Bell Gordon M.
Ridlen James R.
Briggs Sr. Wilbert J.
General Electric Company
Stoudt John M.
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