Manufacturing method for blocked aqueous dispersion of polyureth

Details Manufacturing method for blocked aqueous dispersion of polyureth Manufacturing method for blocked aqueous dispersion of polyureth

1997-08-25

1999-01-26

Niland, Patrick D.

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...

524539, 524591, 524840, C08J 300, C08K 320, C08L 7500

Patent

active

058639837

ABSTRACT:
A blocked hydrophilic polyurethane with molecular weight of 500.about.40,000, 5.about.70% solid content and 5.about.200 milliequivalent per 100 g polymer of sulfonic acid salt, can be prepared from following reactants:

REFERENCES:
patent: 4108814 (1978-08-01), Reiff et al.
patent: 5446082 (1995-08-01), Asai et al.
patent: 5583176 (1996-12-01), Haberle
Odian, G., Principles of Polymerization, 1981, pp. 20-25.

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