Novel polyesters prepared from mixture of hydroquinone and bisph

Details Novel polyesters prepared from mixture of hydroquinone and bisph Novel polyesters prepared from mixture of hydroquinone and bisph

1976-07-26

1977-12-20

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 49, C08G 6318, C08G 6360, C08G 6368

Patent

active

040641082

ABSTRACT:
A linear copolyester having a reduced specific viscosity of at least 0.5 is prepared from terephthalic or isophthalic acid, a bisphenol and hydroquinone. The ester unit derived from terephthalic or isophthalic acid and hydroquinone is contained in the copolyester in a proportion of 5 to 35 mole%. The copolyester has superior crack resistance, thermal stability, transparency and chemical resistance.

REFERENCES:
patent: 3160602 (1964-12-01), Kantor et al.
patent: 3733306 (1973-05-01), Wolfes et al.

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