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1.发明授权公开(公告)号：US12251909B2
公开(公告)日：2025-03-18
申请号：US18003521
申请日：2020-08-27
Applicant: DOW GLOBAL TECHNOLOGIES LLC , ROHM AND HAAS COMPANY
Inventor： Gang Wang , Lianjiang Zhao , Jingyi Xu , Xiaobing Yun , Jianping Pan , Gaobing Chen , Jianliang Zhu
Abstract: Provided are multilayer structures and articles comprising same. The multilayer structure comprises: a biaxially-oriented polyethylene film comprising a skin layer with a matte surface and a core, the core comprising one or more core layers; a sealant film; and an adhesive adhering the sealant film to the matte surface of the skin layer of the biaxially-oriented polyethylene film. The multilayer structure can exhibit an enhanced adhesive bonding force in comparison to other multilayer structures.
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公开(公告)号：US20220073797A1
公开(公告)日：2022-03-10
申请号：US17414464
申请日：2018-12-21
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： Rui Shi , Zhaohui Qu , Gaobing Chen
IPC: C09J175/06 , C08G18/42 , C08G18/34 , C08G18/32 , C08G18/65 , C08G18/72 , C08G18/22 , C09J7/30 , C09J7/24 , C09J7/28 , B32B7/12 , B32B15/085
Abstract: The present disclosure provides a two-component adhesive composition. The two-component solvent-based adhesive composition contains the reaction product of (A) an isocyanate component; (B) a dimer acid polyester polyol component containing the reaction product of a reaction mixture including (i) from 20 wt % to 60 wt % dimer acid, based on the total weight of the dimer acid polyester polyol component, (ii) a dicarboxylic acid, and (iii) a polyol; and (C) a solvent.
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公开(公告)号：US20220010183A1
公开(公告)日：2022-01-13
申请号：US17294022
申请日：2018-11-16
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： Chenyan Bai , Elodie Hablot , Gaobing Chen , Thorsten Schmidt , Abraham Barretto
IPC: C09J175/14 , C08G18/76 , C08G18/72 , C08G18/73 , C08G18/42 , C08G18/48 , C08G18/62 , C08G18/32 , C08G18/40 , C08G18/66 , C09J5/00
Abstract: A process comprises (i) providing an isocyanate component A that is a reaction product of an aliphatic polyisocyanate, an aromatic polyisocyanate, an aliphatic polyester polyol, and a polyether polyol; (ii) providing a polyol component B comprising an aliphatic polyester polyol and a polyether polyol; (iii) mixing A and B to form a solventless adhesive (SLA) composition component A and component B each comprises an aliphatic polyester polyol having a viscosity from 800 to 6000 mPa·s at 25° C. and a hydroxyl number from 60 to 180 mg KOH/g; the SLA composition has (a) an initial viscosity at 40° C. from 500 to 1600 mPa·s, (b) an increasing viscosity ratio from 100% to 112% of the initial viscosity after the SLA composition stands at 40° C. for 10 min, and (c) an end viscosity at 40° C. from 120% to 210% of the initial viscosity at 40 min after forming the SLA composition.
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4.发明公开公开(公告)号：US20230241871A1
公开(公告)日：2023-08-03
申请号：US18003521
申请日：2020-08-27
Applicant: DOW GLOBAL TECHNOLOGIES LLC , ROHM AND HAAS COMPANY
Inventor： Gang Wang , Lianjiang Zhao , Jingyi Xu , Xiaobing Yun , Jianping Pan , Gaobing Chen , Jianliang Zhu
CPC classification number: B32B27/08 , B32B7/03 , B32B7/12 , B32B27/32 , B32B37/1207 , B32B2037/1223 , B32B2307/518
Abstract: Provided are multilayer structures and articles comprising same. The multilayer structure comprises: a biaxially-oriented polyethylene film comprising a skin layer with a matte surface and a core, the core comprising one or more core layers; a sealant film; and an adhesive adhering the sealant film to the matte surface of the skin layer of the biaxially-oriented polyethylene film. The multilayer structure can exhibit an enhanced adhesive bonding force in comparison to other multilayer structures.
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公开(公告)号：US20200263064A1
公开(公告)日：2020-08-20
申请号：US16643238
申请日：2017-09-05
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： Gaobing Chen , Chenyan Bai
IPC: C09J175/06 , C08G18/42 , C08G18/76 , B32B15/085 , B32B15/09 , B32B7/12 , B32B15/20 , B32B27/32 , B32B27/36
Abstract: The present disclosure provides a two-component polyurethane adhesive composition comprising an aromatic polyisocyanate component and a polyol component comprising at least one polyester polyol and a polyol having two or more OH groups and a hydrogen-bridging group.
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Patent Agency Ranking
公开(公告)号：US11939498B2
公开(公告)日：2024-03-26
申请号：US16604368
申请日：2017-04-11
Applicant: DOW GLOBAL TECHNOLOGIES LLC , ROHM AND HAAS COMPANY
Inventor： Mai Chen , Yuanjia Pan , Xinhong Wang , Gaobing Chen , Xinchun Liu
IPC: C09J193/04 , B32B7/12 , C09J5/00 , C09J133/06
CPC classification number: C09J193/04 , B32B7/12 , C09J5/00 , C09J133/062 , C09J2433/00 , C09J2475/00 , C09J2493/00
Abstract: The present disclosure is directed to a two-component bonding agent composition and a process for applying a layer of the bonding agent composition to substrate layers to make laminates.
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公开(公告)号：US20230295475A1
公开(公告)日：2023-09-21
申请号：US18041461
申请日：2020-09-08
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： Yin Xue , ChenYan Bai , Gaobing Chen , Lianjiang Zhao , Qiuying Wang , Weifang Zhang
IPC: C09J133/06 , B32B7/12 , B32B27/32 , B32B27/08
CPC classification number: C09J133/064 , B32B7/12 , B32B27/32 , B32B27/08 , B32B2255/26 , B32B2255/10 , B32B2307/518 , B32B2250/242 , B32B2307/748 , B32B2439/70 , B32B2439/80 , B32B2250/02
Abstract: An aqueous curable adhesive composition comprises an aqueous polymer dispersion and a polyamine compound having at least two amino groups. A laminated article comprises at least two substrates and the aqueous curable adhesive composition.
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公开(公告)号：US20230167342A1
公开(公告)日：2023-06-01
申请号：US17997686
申请日：2020-06-19
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： Chenyan Bai , Ke Shi , Zhaohui Qu , Gaobing Chen , Tao Wang
IPC: C09J175/08 , C08G65/00
CPC classification number: C09J175/08 , C08G65/00
Abstract: A novel polyol compound represented by Formula (I) is provided. A polyurethane-based adhesive composition comprising the polyol compound can produce an adhesive layer exhibiting superior bond strength and heat seal strength which will not be substantially deteriorated by the change in the weight ratio between isocyanate component and polyol component. Methods for preparing the polyol compound and for preparing the adhesive composition, as well as a laminate article prepared with said adhesive composition are also provided.
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公开(公告)号：US20240424773A1
公开(公告)日：2024-12-26
申请号：US18698448
申请日：2021-11-08
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： ChenYan Bai , Gang Wang , Zhe Du , Fanji Wang , Xiaobing Yun , Jianping Pan , Jingyi Xu , Kaili Wang , Lianjiang Zhao , Gaobing Chen
Abstract: A laminate, an article comprising the laminate and a method for preparing the laminate are provided. The present disclosure relates to a laminate, comprising a first substrate comprising a metalized polyethylene-based (PE based) film; a second substrate comprising a polyethylene terephthalate-based film or a polypropylene-based film; and, an adhesive layer adhering the first substrate to the second substrate, wherein the adhesive layer is derived from a two-component solvent-based polyurethane adhesive composition; wherein the concentration of fatty acids or fatty acid derivatives in the metalized PE-based film is less than 300 ppm, based on the total weight of the metalized PE-based film, wherein the two-component solvent-based polyurethane adhesive composition comprises a polyester polyol component and a polyisocyanate component, wherein the polyester polyol component has about 40 wt %-60 wt % of aromatic rings in the backbone, based on the total weight of the polyester polyol and a molecular weight (Mw) between 5,000 and 50,000; and wherein the weight ratio of the polyester polyol component to the polyisocyanate component is from 100:5 to 100:30.
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公开(公告)号：US12157841B2
公开(公告)日：2024-12-03
申请号：US17294022
申请日：2018-11-16
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： Chenyan Bai , Elodie Hablot , Gaobing Chen , Thorsten Schmidt , Abraham Barretto
IPC: C09J175/14 , C08G18/32 , C08G18/40 , C08G18/42 , C08G18/48 , C08G18/62 , C08G18/66 , C08G18/72 , C08G18/73 , C08G18/76 , C09J5/00
Abstract: A process comprises (i) providing an isocyanate component A that is a reaction product of an aliphatic polyisocyanate, an aromatic polyisocyanate, an aliphatic polyester polyol, and a polyether polyol; (ii) providing a polyol component B comprising an aliphatic polyester polyol and a polyether polyol; (iii) mixing A and B to form a solventless adhesive (SLA) composition component A and component B each comprises an aliphatic polyester polyol having a viscosity from 800 to 6000 mPa·s at 25° C. and a hydroxyl number from 60 to 180 mg KOH/g; the SLA composition has (a) an initial viscosity at 40° C. from 500 to 1600 mPa·s, (b) an increasing viscosity ratio from 100% to 112% of the initial viscosity after the SLA composition stands at 40° C. for 10 min, and (c) an end viscosity at 40° C. from 120% to 210% of the initial viscosity at 40 min after forming the SLA composition.
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