Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1975-11-05
1977-01-11
Tillman, Murray
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C08G 6368
Patent
active
040026000
ABSTRACT:
New linear copolyesters containing amide groups are obtained by polycondensing certain dicarboxylic acid diamides which are obtained by reaction of 1 mol of an aromatic, cycloaliphatic or cycloaliphatic-aliphatic diamine with 2 mols of terephthalic acid, isophthalic acid or their polyester-forming derivatives, together with terephthalic acid, isophthalic acid or their polyester-forming derivatives and with alkanediols to a relative viscosity greater than 1.2. The new copolyesters containing amide groups are valuable engineering thermoplastic materials which are easily processible and give moulding materials with good thermo-mechanical properties.
REFERENCES:
patent: 2851443 (1958-09-01), Williams et al.
patent: 2861055 (1958-11-01), Williams et al.
patent: 2956984 (1960-10-01), Reynolds et al.
Ciba-Geigy Corporation
Danison, Jr. W. C.
Tillman Murray
Vanecek Charles W.
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