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1.发明公开公开(公告)号：US20240084127A1
公开(公告)日：2024-03-14
申请号：US18275500
申请日：2022-02-03
发明人： Hiroyuki MIEDA , Katsuya SHIMENO , Tadahiko MIKAMI
IPC分类号： C08L67/02 , C09D167/02
CPC分类号： C08L67/02 , C09D167/02 , C08L2201/50
摘要： It is provided that a polyester resin and a polyester resin composition that allow induction of harmful outgas and can form a coating film having excellent characteristics such as curability, retort resistance, and processability. A polyester resin composition comprising polyester resin (A), wherein the polyester resin composition satisfies the following requirements (i) to (iii), (i) the polyester resin (A) has an acid value of 100 eq/ton or more, (ii) the polyester resin (A) includes, as a polyol component constituting the polyester resin (A), a diol (a) having two primary hydroxy groups and having no alicyclic structure, and, furthermore, one or both of a diol (b) having an alicyclic structure, and a diol (c) having one primary hydroxy group and one secondary hydroxy group and having no alicyclic structure, and (iii) the polyester resin (A) has unsaturated dicarboxylic acid (d) as a polycarboxylic acid component constituting the polyester resin (A).
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公开(公告)号：US20240279390A1
公开(公告)日：2024-08-22
申请号：US18571853
申请日：2022-07-26
发明人： Hiroyuki MIEDA , Tadahiko MIKAMI
IPC分类号： C08G63/183 , C09D5/02 , C09D167/02
CPC分类号： C08G63/183 , C09D5/02 , C09D167/02 , C08G2150/00
摘要： The present invention relates to a polyester resin composition containing a polyester resin (A) which satisfies requirements (i) The polyester resin (A) has an acid value of 100 eq/ton or more; (ii) The polyester resin composition contains substantially no curing agent; and (iii) The polyester resin composition has a storage elastic modulus E′ at 200°° C. of 1.0×104 Pa or more after subjected to a heating treatment at 240° C. for 1 hour. The polyester resin composition of the present invention is capable of suppressing a harmful outgas and is suitable for a paint for cans having excellent properties such as curing properties, retort resistance, and processability.
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公开(公告)号：US20240174798A1
公开(公告)日：2024-05-30
申请号：US18283582
申请日：2022-03-22
发明人： Hiroki OKAJIMA , Tadahiko MIKAMI , Ryosuke KANDA
IPC分类号： C08G63/688 , B65D65/42 , C08J7/04 , C08K3/36 , C09D7/40 , C09D7/45 , C09D7/61 , C09D7/63 , C09D7/65 , C09D167/02 , C09J11/04 , C09J11/06 , C09J11/08 , C09J167/02
CPC分类号： C08G63/6886 , B65D65/42 , C08J7/0427 , C08K3/36 , C09D7/45 , C09D7/61 , C09D7/63 , C09D7/65 , C09D7/69 , C09D167/02 , C09J11/04 , C09J11/06 , C09J11/08 , C09J167/02 , C08J2367/00 , C08J2467/02 , C08K2201/005
摘要： An object of the present invention is to provide an adhesive composition and a coating composition that have storage stability, high adhesiveness, and excellent blocking resistance and water resistance. The present invention provides a crystalline polyester resin comprising: a polyvalent carboxylic acid component and polyhydric alcohol component as a copolymerization components, wherein, 30 to 70 mol % of terephthalic acid, 10 to 60 mol % of 1,4-cyclohexanedicarboxylic acid, 5 to 30 mol % of aliphatic dicarboxylic acid having 10 or smaller of carbon atoms, and less than 3 mol % of an aromatic dicarboxylic acid component having a sulfonate group are contained as the polyvalent carboxylic acid component; and 50 to 100 mol % of 1,4-butanediol is contained as the polyhydric alcohol; wherein, an acid value of the crystalline polyester resin is 100 to 600 eq/t; a glass transition temperature of the crystalline polyester resin is −30 to 30° C.; a melting point of the crystalline polyester resin is 70 to 160° C.; and a number-average molecular weight of the crystalline polyester resin is 5000 to 40000.
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4.发明公开公开(公告)号：US20240166863A1
公开(公告)日：2024-05-23
申请号：US18282842
申请日：2022-03-22
发明人： Hiroyuki MIEDA , Tadahiko MIKAMI , Katsuya SHIMENO
IPC分类号： C08L67/02 , C08L67/06 , C09D167/02 , C09D167/06
CPC分类号： C08L67/02 , C08L67/06 , C09D167/02 , C09D167/06 , C08L2205/025
摘要： It is provided that a polyester resin and a polyester resin composition that allow reduction of harmful outgas and can form a coating film having excellent characteristics such as curability, retort resistance, and processability. A polyester resin composition comprising: a polyester resin (A) having an acid value of 100 eq/ton or more and smaller than 500 eq/ton; and a polyester resin (B) having an acid value of 500 eq/ton or more, wherein a content of the polyester resin (A) is 55 parts by mass or more and 95 parts by mass or smaller, and a content of the polyester resin (B) is 5 parts by mass or more and 45 parts by mass or smaller when a total mass of solid contents of the polyester resin (A) and the polyester resin (B) is 100 parts by mass.
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5.发明公开公开(公告)号：US20240124642A1
公开(公告)日：2024-04-18
申请号：US18275492
申请日：2022-02-03
发明人： Hiroyuki MIEDA , Katsuya SHIMENO , Tadahiko MIKAMI
IPC分类号： C08G63/189 , C08G63/183 , C08G63/47 , C08G63/85 , C08L67/02 , C09D167/02
CPC分类号： C08G63/189 , C08G63/183 , C08G63/47 , C08G63/85 , C08L67/02 , C09D167/02 , C08G2390/40 , C08L2201/54 , C08L2203/16
摘要： It is provided that a polyester resin and a polyester resin composition that allow reduction of harmful outgas and can form a coating film having excellent characteristics such as curability, retort resistance, and processability. A polyester resin composition comprising polyester resin (A), wherein the polyester resin composition satisfies the following requirements (i) to (iii), (i) the polyester resin (A) has an acid value of 100 eq/ton or more, (ii) the polyester resin composition substantially contains no curing agent, and (iii) the polyester resin (A) includes, as a polyol component constituting the polyester resin (A), a diol (a) having two primary hydroxy groups and having no alicyclic structure, and, furthermore, one or both of a diol (b) having an alicyclic structure, and a diol (c) having one primary hydroxy group and one secondary hydroxy group and having no alicyclic structure.
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