Reinforced polyoxymethylene molding composition capable of formi

Details Reinforced polyoxymethylene molding composition capable of formi Reinforced polyoxymethylene molding composition capable of formi

1977-10-28

1978-09-05

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 459D, C08L 7102

Patent

active

041118871

ABSTRACT:
An improved fiber reinforced polyoxymethylene molding composition is provided which when molded forms a composite article having improved physical properties (e.g., tensile strength and Izod impact strength). In admixture with the polyoxymethylene polymer and fibrous reinforcement (e.g., glass fiber) is provided a minor amount (as defined) of a certain polycarbodiimide (as defined) or a combination of the polycarbodiimide and a high molecular weight thermoplastic phenoxy resin. It is believed that the polycarbodiimide either alone or in combination with the thermoplastic phenoxy resin functions primarily by a complex mechanism which is incapable of simple explanation to enhance the adhesion between the chemical functionality of the oxymethylene polymer chain and the fibrous reinforcement.

REFERENCES:
patent: 3135718 (1964-06-01), Wagner et al.
patent: 3170896 (1965-02-01), Wagner et al.
patent: 3455867 (1969-07-01), Berardinelli et al.

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