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Fibers and pulps for paper making, based on a chemical combination of poly (methyl vinyl ether co-mate), polyol and cellulose fiber
Fibers and pulps for paper making, based on a chemical combination of poly (methyl vinyl ether co-mate), polyol and cellulose fiber
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机译:造纸纤维和纸浆,基于聚(甲基乙烯基醚共酸酯),多元醇和纤维素纤维的化学组合
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摘要
Disclosed is a fiber comprising, chemically bonded together, (a) a conventional cellulosic fiber, such as a Kraft fiber or a chemithermomechanical pulp fiber; (b) poly(methyl vinyl ether-co-maleate) copolymer, such as the acid form of a 1:1 (molar) poly(methyl) vinyl ether-co-maleate) copolymer, preferably having number average molecular weight of about 67,000-80,000; and (c) a polyol, such as polyethylene glycol; also disclosed are methods for making such fibers, especially evaporatively depositing an intimate mixture of the copolymer and polyol on the discrete fiber followed by thermally crosslinking at specific temperatures for limited periods; absorbent paper which can be made by wet-laying the fiber, especially in admixture with conventional fiber; and derivative paper structures, such as multi-ply disposable absorbent towels.
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