Treating method for improving the strength of molded products of

Details Treating method for improving the strength of molded products of Treating method for improving the strength of molded products of

1997-02-25

1998-07-28

Truong, Duc

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

Synthetic resins

Treating polymer containing material or treating a solid...

528499, 264 28, 264237, 264348, 2643284, 26432845, 264528, C08F 600, C08G 300

Patent

active

057864446

ABSTRACT:
A treating method for improving the strength of molded products. Molded products of a thermosetting resin containing a phenol resin as a main component are taken out of a mold of an injection molding machine, and then immediately immersed in water or exposed to blown air. With this treatment, the breaking strength, particularly the toughness of the molded products is increased. This method provides molded products having a large strength at room temperature as well as at temperatures around 120.degree. C.

REFERENCES:
patent: 4100244 (1978-07-01), Nonaka
patent: 5270444 (1993-12-01), Shiraki et al.

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