prov:value
| - Polymers suited for use according to the invention are, e.g., addition polymers formed by polymerisation or copolymerisation of vinyl monomers such as styrene, vinyl chloride, vinylidene chloride, vinyl alcohol esters e.g. vinyl acetate, vinyl ethers, acrylic acid esters and methacrylic acid esters, acrylonitrile and methacrylonitrile, and other ??,??-unsaturated monomers forming water-insoluble p
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