Polybutylene terephthalate blow molded article

Details Polybutylene terephthalate blow molded article Polybutylene terephthalate blow molded article

1974-01-17

1976-01-06

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 6370, C08G 6316

Patent

active

039311147

ABSTRACT:
Blow molded polybutylene terephthalate articles and a process for making them. A polybutylene terephthalate melt at a temperature in the range of the melt temperature of polybutylene terephthalate and 495.degree.F., and having an intrinsic viscosity of at least 1.05 deciliters per gram is blow molded in an extrusion blow molding apparatus the mold of which is maintained at a temperature of less than 150.degree.F. to produce polybutylene terephthalate blown articles possessing excellent strength characteristics. Bottles, especially aerosol pressurized bottles, are a primary application of the type of articles produced by this process.

REFERENCES:
patent: 3329653 (1967-07-01), Beavers et al.
patent: 3624024 (1971-11-01), Caldwell et al.
patent: 3706111 (1972-12-01), Curtin et al.
patent: 3733309 (1973-05-01), Wyeth et al.
patent: 3745150 (1973-07-01), Corsover
patent: 3822332 (1974-07-01), Hrach

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