Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1996-11-12
1998-11-10
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...
525390, 525393, 525395, 525396, 525397, 523433, 524540, C08L 7112, C08L 6300, C08F28308
Patent
active
058345655
ABSTRACT:
Polyphenylene ether-thermosetting resin compositions are provided that are useful as dielectrics, particularly printed circuit boards having improved processability, good solvent and solder resistance, as well as improved morphology as compared to other polyphenylene ether-thermosetting resin compositions. More specifically, the particular polyphenylene ether resin component of this invention has a molecular weight of less than about 3,000 number average in contrast to higher molecular weight polyphenylene ethers employed in other polyphenylene ether-thermosetting resin compositions for use in preparing printed circuit boards.
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Tracy James E.
Yeager Gary William
Buttner David
General Electric Company
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