Aqueous polymer dispersions as binders for non-blocking scratch-

Details Aqueous polymer dispersions as binders for non-blocking scratch- Aqueous polymer dispersions as binders for non-blocking scratch-

1994-11-10

1997-01-21

Smith, Jeffrey T.

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...

524521, 524555, C08L 1902

Patent

active

055960359

ABSTRACT:
Autocrosslinking aqueous dispersions characterized by an MFT of from 0.degree. to about 50.degree. C. include at least one carbonyl-containing soft latex polymer having an MFT of below about 20.degree. C., at least one hard latex polymer having an MFT of above about 25.degree. C., and at least one polyfunctional carboxylic hydrazide. The aqueous polymer dispersions are used as binders for non-blocking, scratch-resistant and chemical-resistant coatings and as binders for clear coat and pigmented coating systems.

REFERENCES:
patent: 4654397 (1987-03-01), Mueller-Mall
patent: 4894261 (1990-01-01), Gulbins et al.
patent: 4952623 (1990-08-01), Auchter et al.
Biangardi et al., "Transparente Polymere Mehrphasensysteme", Makromol. Chem. 183, (1990), pp. 221-241.
Houben-Weyl, "Methods of Organic Chemistry", G. Thieme-Verlag, Stuttgart, 4th Edition, vol. E 20, (1987), pp. 1154-1155.

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