Sizing composition

Details Sizing composition Sizing composition

2007-02-13

2007-02-13

Niland, Patrick D. (Department: 1714)

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...

C428S425600, C428S361000, C428S375000, C428S378000, C524S589000, C524S590000, C524S839000, C524S840000, C525S124000, C525S455000

Reexamination Certificate

active

10457862

ABSTRACT:
Novel sizing compositions, their preparation and use. The compositions contain water-dispersible and/or water-soluble and alkylamine-blocked polyisocyanates, film-forming resins, coupling agents and lubricants. The isocyanates are synthesized from at least one polyisocyanate, at least one ionic and/or potentially ionic and/or nonionic compound, and at least one blocking agent which is at least 20% by weight aralkylamines.

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