Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-11-30
1989-02-14
Schain, Howard E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
528126, 528127, 528128, 528152, 528159, 525471, 525480, 525493, C08G 836, C08G 830, C08G 802
Patent
active
048047210
ABSTRACT:
The resins resulting from converting the phenol-formaldehyde type condensation products of dicyclopentadiene-phenol adducts with selected aldehydes and ketones to their corresponding vinylbenzyl ethers are an excellent matrix in which to embed fibers to produce a composite. Such resins, especially as a blend of materials with varying molecular weight distribution, are amorphous materials whose glass transition temperature is well under the curing temperature, and whose solubility permits solutions with high solids content so as to afford coatings with high resin content. The extensively crosslinked polymer resulting from thermal, photochemical, or free radical initiated polymerization has excellent thermal and electrical properties for use in multilayer circuit boards.
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Conrad Jeffrey P.
Zupancic Joseph J.
Allied-Signal Inc.
McBride Thomas K.
Schain Howard E.
Snyder Eugene I.
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