Glass fiber-reinforced oxymethylene polymer molding compositions

Details Glass fiber-reinforced oxymethylene polymer molding compositions Glass fiber-reinforced oxymethylene polymer molding compositions

1986-09-16

1989-01-31

Lieberman, Allan M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

264DIG53, 523209, 524406, 524542, 524593, C08K 714

Patent

active

048016268

ABSTRACT:
Mechanical properties, especially tensile and flexural properties and impact strength, of glass fiber reinforced oxymethylene polymer molding compositions can be enhanced by incorporating into the molding composition an effective amount of a prepolymeric amino resin, whereby the glass fiber reinforcing agent and the oxymethylene polymer are coupled. The amino resin can be a condensation product of formaldehyde and melamine, urea, guanidine, guanamine or a substituted guanamine. An acid catalyst is preferably employed to promote the cross-linking of the prepolymeric amino resin.

REFERENCES:
patent: 3963668 (1976-06-01), Wurmb et al.
patent: 4230606 (1980-10-01), Amann et al.
patent: 4376178 (1983-05-01), Schuette et al.
patent: 4427807 (1984-01-01), Zimmerman et al.
patent: 4578422 (1986-03-01), Sakurai et al.

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