| 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. |