Pva-Containing Compositions
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United States of America Patent
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N/A
Issued Date -
Aug 21, 2008
app pub date -
Jan 13, 2006
filing date -
Jan 13, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A PVA-containing composition comprises, by weight 40 to 97% PVA and 3 to 20% plasticiser comprising glycerine and propylene glycol. Optionally at least one of a filler, a binder and a pigment such that the total amount is 100%. Preferably, the composition comprises 50 to 67% PVA and 5 to 17% of the plasticiser. The plasticiser preferably comprises at least 1% of glycerine and at least 1 % propylene glycol, more preferably in a ratio, by weight, of glycerine to propylene glycol of 1:5 to 5:1.
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