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'paper coating composition, coated paper substrate, method of making a coated paper substrate and process for preparing a paper coating composition'.
'paper coating composition, coated paper substrate, method of making a coated paper substrate and process for preparing a paper coating composition'.
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机译:“纸涂料组合物,涂布纸基材,制备涂布纸基材的方法和制备纸涂料组合物的方法”。
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摘要
A paper coating composition is provided, comprising a polyvinyl alcohol graft copolymer comprising at least one side-chain polymer, formed from at least one carboxylic acid containing monomer, grafted onto a polyvinyl alcohol; and a further component selected from the group consisting of binders, thickeners and combinations thereof. The graft copolymer unexpectedly provides superior viscosification and water retention compared to results using a blend of the PVOH and carboxylated polymer where the two polymers were formed in the absence of one another.
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