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公开(公告)号：US20230250589A1
公开(公告)日：2023-08-10
申请号：US18134126
申请日：2023-04-13
发明人： Michio MATSUDA , Hirotoshi SAKASHITA , Nozomi YAMAGUCHI , Tetsuya UEHARA , Daisuke NOGUCHI , Shun SHIBATA
IPC分类号： D21H21/16 , D21H19/12 , C09D5/00 , C09D103/06 , C09D103/10 , C09D103/02
CPC分类号： D21H21/16 , D21H19/12 , C09D5/00 , C09D103/06 , C09D103/10 , C09D103/02
摘要： An oil-resistant agent and an oil-resistant composition, which are capable of imparting excellent oil-resistance to paper. The oil-resistant composition contains a polysaccharide (1) and an oil-resistant polymer (2). The polysaccharide (1) is preferably starch. The oil-resistant polymer (2) preferably has (a) a repeating unit formed from an acrylic monomer that has a long-chain hydrocarbon group having 7-40 carbon atoms, and (b) a repeating unit formed from an acrylic monomer that has a hydrophilic group. A polyvinyl alcohol or glucose may be present as an additive.
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公开(公告)号：US20230220140A1
公开(公告)日：2023-07-13
申请号：US18188003
申请日：2023-03-22
发明人： Shun SHIBATA , Tetsuya Uehara , Daisuke Noguchi , Nozomi Yamaguchi , Shinichi Minami , Teruyuki Fukuda
IPC分类号： C08F251/00 , C08B31/12 , D21H19/12 , D21H21/16 , D21H27/10
CPC分类号： C08F251/00 , C08B31/125 , D21H19/12 , D21H21/16 , D21H27/10
摘要： An oil-resistant agent containing an amide compound including a bio-based material modified with a long-chain hydrocarbon group having 7 to 40 carbon atoms and an amide group. Also disclosed is a fiber product containing the amide compound, and a water dispersion containing the amide compound.
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公开(公告)号：US20240150965A1
公开(公告)日：2024-05-09
申请号：US18405370
申请日：2024-01-05
发明人： Tetsuya UEHARA , Daisuke NOGUCHI , Norimasa UESUGI , Hisako NAKAMURA , Shun SHIBATA , Michio MATSUDA , Teruyuki FUKUDA
摘要： A paper oil-resistant agent composition containing a hydrocarbon group-containing polymer having a repeating unit formed from a monomer having a hydrocarbon group having 7 to 40 carbon atoms and an NH group-containing group in an amount of 80% by weight or more based on the polymer. Also disclosed is an oil-resistant paper to which the hydrocarbon group-containing polymer in the paper oil-resistant agent composition adheres, a method for producing paper which includes treating paper with the paper oil-resistant composition, and a method for producing molded pulp which includes filling a mold with the paper oil-resistant agent composition and a pulp slurry, and molding the pulp.
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公开(公告)号：US20240167226A1
公开(公告)日：2024-05-23
申请号：US18403051
申请日：2024-01-03
发明人： Shun SHIBATA , Tetsuya Uehara , Daisuke Noguchi , Hisako Nakamura
CPC分类号： D21H21/16 , B65D65/38 , D21H17/37 , D21H17/42 , D21H17/45 , D21H23/04 , D21H27/10 , B65D2565/382
摘要： An oil-resistant agent composition which contains (1) a hydrocarbon group-containing polymer and (2) an amphoteric polyacrylamide polymer, and which is capable of imparting paper with excellent oil resistance. The hydrocarbon group-containing polymer has (a) a repeating unit that is formed from an acrylic monomer which has a long-chain hydrocarbon group having 7 to 40 carbon atoms and (b) a repeating unit that is formed from an acrylic monomer which has a hydrophilic group. Preferably, the oil-resistant agent composition additionally contains an anionic polyacrylamide polymer. Also disclosed is an oil-resistant agent kit including a liquid containing the oi-resistant agent composition, a method for producing oil-resistant paper which includes adding the oil-resistant agent composition to a paper constituent material, pulp or pulp slurry, as well as an oil-resistant paper.
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