Piperidone functionalized poly(vinyl alcohol)

Details Piperidone functionalized poly(vinyl alcohol) Piperidone functionalized poly(vinyl alcohol)

1998-07-21

2000-08-01

Wu, David W.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

508263, 508262, 546184, 546186, 546245, C08F 800

Patent

active

060968265

ABSTRACT:
A family of piperidone functionalized polymers based on polymers containing a plurality of hydroxyl groups. Piperidone or piperidone derivatives form a cyclic ketal linkage with hydroxyl groups contained on adjacent or alternating carbon atoms of the base polymer. Preferred compositions are piperidone functionalized poly(vinyl alcohol) having the following general formulae: ##STR1## wherein R.sub.1 through R.sub.6 are each independently hydrogen, methyl, or a C.sub.2 to C.sub.4 saturated or unsaturated alkyl groups, R.sub.7 is O.cndot. or OR.sub.8, wherein R.sub.8 is hydrogen or a C.sub.1 to C.sub.4 alkyl or C(.dbd.O)alkyl group; X.sup.- is a salt; x ranges from 50 to 99 mol %; y ranges from 0 to 30 mol %; and z ranges from 1 to 20 mol %. The compounds are useful in ink jet paper coating applications.

REFERENCES:
patent: 4085168 (1978-04-01), Milkovich et al.
patent: 4233410 (1980-11-01), Rody et al.
patent: 5380403 (1995-01-01), Robeson et al.

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