Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1987-03-23
1988-11-29
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528128, C08G 7306, C08G 3302
Patent
active
047882719
ABSTRACT:
New polyphenylquinoxalines have been prepared from the reaction of novel bis(.alpha.-diketones) with aromatic bis(o-diamines). These polyphenylquinoxalines have lower glass transition temperatures and melt viscosities and consequently better processability than known polyphenylquinoxalines. The properties of these new polyphenylquinoxalines (tensile strength, modulus, elongation, adhesive strength, fracture energy, and solvent resistance) are comparable with the properties of known polyphenylquinoxalines.
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Harris Frank W.
Havens Stephen J.
Hergenrother Paul M.
Anderson Harold D.
Glenn Charles E. B.
Helfrich George F.
Krass Frederick F.
Manning John R.
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