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
1985-02-08
1986-07-29
Anderson, Harold D.
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...
524607, 525432, 528339, 528340, 528347, 528349, C08G 6926
Patent
active
046031669
ABSTRACT:
Novel crystalline polyamides having high heat deflection temperatures when filled are prepared from aliphatic diamines and either mixtures of terephthalic acid and adipic acid or mixtures of terephthalic acid, isophthalic acid and adipic acid. The mole ratio of aliphatic diamine to terephthalic acid, isophthalic acid, and adipic acid is in the range of about 100:65-95:25-0:35-5. The polyamides can be filled with about 10 to about 60 parts by weight of a filler. The mechanical properties of these polyamides are largely unaffected by absorbed water.
REFERENCES:
patent: 3551548 (1970-12-01), Brignac et al.
patent: 3926924 (1975-12-01), Edgar et al.
patent: 4238603 (1980-12-01), Chapman et al.
patent: 4476280 (1984-10-01), Poppe et al.
Autry Larry W.
Chen Yu-Tsai
Poppe Wassily
Richardson Joel A.
Sinclair David P.
Amoco Corporation
Anderson Harold D.
Hensley Stephen L.
Magidson William H.
McClain William T.
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