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公开(公告)号：US20220396712A1
公开(公告)日：2022-12-15
申请号：US17833900
申请日：2022-06-07
发明人： Keisuke Okada , Takashi Minabe , Kosuke Tsuji
IPC分类号： C09D175/12 , D21H21/14 , C09D7/65 , C09D7/63 , C09D7/61
摘要： A water-based oil resistant agent containing at least one resin (A) selected from the group consisting of the following (A1) and (A2), and a paraffin wax (B): (A1) an olefin resin which is a polymer containing monoolefins having a total number of carbon atoms of 4 or more (a1-1) and an α,β-unsaturated carboxylic acid (a1-2) as essential reaction components; and (A2) a urethane resin which is a polymer containing a polyol (a2-1), a polyisocyanate (a2-2) and a chain extender (a2-3) as essential reaction components.
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公开(公告)号：US20230002975A1
公开(公告)日：2023-01-05
申请号：US17630099
申请日：2020-07-10
发明人： Keisuke Okada , Hiroyuki Ioka , Daisuke Fujioka
IPC分类号： D21H21/18 , C08F220/56 , D21H17/45
摘要： Provided is a powdery paper-strengthening agent comprising an amphoteric (meth)acrylamide-based polymer (A) having a weight-average molecular weight of 1,000,000 to 7,000,000, wherein the amphoteric (meth)acrylamide-based polymer (A) comprises, as constituent monomers, (meth)acrylamide which is an (a1) component, a cationic unsaturated monomer which is an (a2) component, an anionic unsaturated monomer which is an (a3) component, and a crosslinkable unsaturated monomer which is an (a4) component, and wherein an aqueous solution, in which the amphoteric (meth)acrylamide-based polymer (A) is dissolved in a calcium chloride aqueous solution having an electrical conductivity of 4 mS/cm at 25° C. so as to be 1% by weight, has a maximum turbidity of 10 to 2500 NTU at pH 3 to 9.
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公开(公告)号：US20240101818A1
公开(公告)日：2024-03-28
申请号：US18472207
申请日：2023-09-21
发明人： Keisuke Okada , Mayu Matsumoto , Teruaki Sato
CPC分类号： C08L75/08 , C08G18/10 , C08G18/348 , C08G18/4854 , C08G18/755 , C09D175/08 , C08L2201/54 , C08L2203/162
摘要： There is provided an aqueous heat-sealable resin composition which enables a laminate to have excellent heat sealing strength and blocking resistance. The disclosure relates to an aqueous heat-sealable resin composition which contains a urethane resin (A) which is a product of reaction components including a polyether polyol (a1), a polyisocyanate (a2) and a chain extender (a3) or the urethane resin (A) and a wax (B), and a laminate having a coating of the composition on at least one surface of a substrate.
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公开(公告)号：US20230084251A1
公开(公告)日：2023-03-16
申请号：US17894163
申请日：2022-08-24
发明人： Keisuke Okada , Kaito Kuroda , MAYU MATSUMOTO , Teruaki Sato
摘要： The present disclosure provides a heat sealing aqueous resin composition containing: a rosin resin (A); a biodegradable resin (B) including a resin having a structure of General Formula (1) and/or a resin (b1) having a structure of General Formula (2); and a polyvinyl alcohol (C) in which an average saponification degree is 75 mol % or more and 85 mol % or less, in which a content of the component (b1) is more than 50% by mass when a total content of the component (A) and the component (B) is 100% by mass. —O—(CH2)x—O—CO—(CH2)y—CO— General Formula (1): (in General Formula (1), x and y may be different from each other, and are integers of 1 or more and 10 or less) —O—(CH2)z—CO— General Formula (2): (in General Formula (2), z is an integer of 3 or more and 10 or less)
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公开(公告)号：US20230077630A1
公开(公告)日：2023-03-16
申请号：US17893178
申请日：2022-08-23
发明人： Keisuke Okada , Kaito Kuroda , Teruaki Sato
IPC分类号： C09D175/14 , C09D191/06 , C09D7/65
摘要： A water-based composition for barrier containing a urethane resin (A) which is comprising a polyol (a1), a polyisocyanate (a2) and a chain extender (a3) as essential reaction components, and at least one wax (B) selected from the group consisting of a paraffin, a carnauba and an alkyl ketene dimer, and further a content ratio between the component (A) and the component (B) in terms of the non-volatile content weight is (A)/(B)=25/75 to 95/5.
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