Water resistant molding material and producing method for...

Details Water resistant molding material and producing method for... Water resistant molding material and producing method for...

2007-07-16

2010-11-02

Jagannathan, Vasu (Department: 1796)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S800000

Reexamination Certificate

active

07825187

ABSTRACT:
The invention provides a water resistant molding material that can be stably manufactured while being excellent in water resistance after dried, and a producing method for the water resistant molding material. The water resistant molding material comprises a binder resin containing a polyvinyl alcohol resin, a viscosity control agent, water and a filler, wherein the concentration of acetate ions is adjusted in the range from 500 to 12,000 ppm by blending, for example, an acetate ion controlling agent (such as NH4NO3, NaOH and KCl).

REFERENCES:
patent: 5506280 (1996-04-01), Miller et al.
patent: 6444728 (2002-09-01), Yuyama
patent: 2 073 490 (1993-01-01), None
patent: 2001-131329 (2001-05-01), None
patent: 2001-234081 (2001-08-01), None
patent: 10-2006-0093902 (2006-08-01), None

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