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公开(公告)号：US12258705B2
公开(公告)日：2025-03-25
申请号：US17597742
申请日：2019-09-25
Applicant: Dow Global Technologies LLC
Inventor： Chao Zhang , Yanli Feng , Shihao Qin
Abstract: A non-solvent two-component polyurethane artificial leather composition is provided. The polyurethane composition comprises (A) a polyurethane-prepolymer component, comprising one or more polyurethane-prepolymers prepared by reacting at least one polyisocyanate compound with at least one first polyol, wherein the polyurethane-prepolymer comprises at least two free isocyanate groups; and (B) a polyol component, comprising at least one second polyol; wherein the polyol component further comprises an encapsulated foaming agent comprising at least one foaming core phase encapsulated within an outer shell. The polyurethane leather product derived from the polyurethane composition exhibits enhanced stability, mild bubble generation and improved cost effectiveness. A polyurethane leather product prepared with said composition and the method for preparing the same are also provided.
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公开(公告)号：US12129597B2
公开(公告)日：2024-10-29
申请号：US17285007
申请日：2018-11-15
Applicant: Dow Global Technologies LLC
Inventor： Chao Zhang , Zetian Cai , Huan Chen , Yi Zhang , Xiangyang Tai , Shihao Qin
CPC classification number: D06N3/145 , D06N3/0002 , D06N3/005 , D06N2211/28
Abstract: A synthetic leather article comprising a top coating derived from an internally emulsified PUD, a barrier layer derived from an externally emulsified PUD and a 2K non-solvent PU foam layer is provided. The leather article exhibits high delamination resistance while retaining superior mechanical properties and appearance comparable with those derived from the organic solvent-based PU. A method for preparing the synthetic leather article is also provided.
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公开(公告)号：US20240247094A1
公开(公告)日：2024-07-25
申请号：US18561328
申请日：2021-08-30
Applicant: Dow Global Technologies LLC
Inventor： Xiaolian Hu , Chao Zhang , Ling Zhong , Xiangyang Tai , Yanli Feng
CPC classification number: C08G18/10 , C08G18/4238 , C08G18/4812 , C08G18/4825 , C08G18/4829 , C08G18/7671 , D06N3/0047 , D06N3/0063 , D06N3/0097 , D06N3/145 , D06N3/146 , D06N3/147 , C08G2101/00 , C08G2110/0083 , D06N2203/068 , D06N2205/023 , D06N2205/045 , D06N2209/10 , D06N2209/1664 , D06N2211/103 , D06N2211/106 , D06N2213/03
Abstract: A waterborne polyurethane dispersion for the polyurethane foam of synthetic leather application, derived from (1) a prepolymer derived from the reaction of reactants comprising at least one aromatic isocyanate compound, an ethylene oxide-capped polyether triol, at least one polyether diol, and at least one polyester diol; (2) water; and (3) surfactant, is disclosed. The waterborne polyurethane dispersion can be used to prepare a synthetic leather product having superior wrinkle resistance, hand-feeling and peel strength. A synthetic leather article prepared with said waterborne polyurethane dispersion is also disclosed.
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公开(公告)号：US20240003079A1
公开(公告)日：2024-01-04
申请号：US18252062
申请日：2021-01-18
Applicant: Dow Global Technologies LLC
Inventor： Xiaolian Hu , Chao Zhang , Biao Ma , Nan Wang , Yanli Feng
CPC classification number: D06N3/145 , C08G18/12 , C08G18/3228 , C08G18/61 , C08G18/6529 , C08J5/18 , D06N3/0059 , D06N3/0011 , D06N3/0047 , D06N3/0065 , D06N3/0097 , D06N3/147 , C08J2375/12 , D06N2203/068 , D06N2205/045 , D06N2209/103 , D06N2209/108
Abstract: An internally emulsified polyurethane dispersion, which is prepared by using a combined chain extender system of a hydrophilic amino siloxane compound and a polyetheramine compound, is provided. The internally emulsified polyurethane dispersion can be used to prepare a synthetic leather product having good anti-stickiness, wrinkle resistance, color fastness and superior mechanical properties. A laminated synthetic leather article prepared with said internally emulsified polyurethane dispersion as well a method for preparing the synthetic leather article are also provided.
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公开(公告)号：US11098188B2
公开(公告)日：2021-08-24
申请号：US16337633
申请日：2016-09-29
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： Chao Zhang , Haiyang Yu , Xiaolian Hu , Hongyu Chen , Yi Zhang , Xiaochun Liu
Abstract: Disclosed herein is a foam composition comprising an olefin copolymer that comprises ethylene and an α-olefin or propylene and an α-olefin; an unneutralized carboxylated olefin copolymer; a crosslinking agent; and a blowing agent; where the foam composition is substantially free from neutralized carboxylated ethylene copolymer. Disclosed herein too is a method of manufacturing a foam composition comprising blending together an olefin copolymer that comprises ethylene and an α-olefin or propylene and an α-olefin; an unneutralized carboxylated olefin copolymer; a crosslinking agent; and a blowing agent to form the foam composition; where the foam composition is substantially free from neutralized carboxylated ethylene copolymer; heating the foam composition to activate the blowing agent to form a foam; and crosslinking the foam.
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Patent Agency Ranking
公开(公告)号：US20180067602A1
公开(公告)日：2018-03-08
申请号：US15561213
申请日：2015-03-30
Inventor： Chao Zhang , Peng Gao , Minbiao Hu , Daniel L. Dermody , Tong Sun , Zhuo Wang , Peter Trefonas, III , Michael E. Hus , Yang Liu
CPC classification number: G06F3/0414 , G06F3/045 , G06F2203/04103 , G06F2203/04105 , H01B1/20 , H01B1/22
Abstract: A transparent pressure sensing film composition is provided having a matrix polymer; and, a plurality of conductive particles; wherein the matrix polymer comprises 25 to 100 wt % of an alkyl cellulose; and, wherein an electrical resistivity of the transparent pressure sensing film is variable in response to an applied pressure having a z-component directed along the thickness of the transparent pressure sensing film such that the electrical resistivity is reduced in response to the z-component of the applied pressure.
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7.发明申请POLYURETHANE BASED SYNTHETIC LEATHERS COMPRISING NANOPARTICLES AND HAVING IMPROVED PEEL STRENGTH 审中-公开基于聚氨酯的合成皮革包含纳米颗粒并具有改进的皮肤强度公开(公告)号：US20150259851A1
公开(公告)日：2015-09-17
申请号：US14431533
申请日：2012-10-16
Applicant: Dow Global Technologies LLC
Inventor： Weichao Gu , Ning Kang , Hong Liang Zhang , Yunfei Yan , Chao Zhang , Bo Liu
CPC classification number: D06N3/146 , D06N3/0006 , D06N3/0047 , D06N3/0077 , D06N3/0088 , D06N3/123 , D06N3/14 , D06N2211/28 , Y10T428/249953
Abstract: Disclosed herein are methods of producing externally stabilized, poromeric synthetic leathers having improved peel strength, the methods comprising: preparing a prepolymer from a mixture comprising at least one polyester polyol, at least one polyether polyol, at least one isocyanate and optionally in a solvent; mixing the prepolymer, water, and a first surfactant; optionally add a second chain extender to form a PUD; preparing a mixture comprising said PUD, at least one surfactant, and at least one thickener; frothing said mixture; applying the frothed mixture to a fabric and thereby forming a coated fabric; adjusting the thickness of the frothed mixture on the coated fabric; drying the coated fabric. Methods of improving the peel strength of poromeric synthetic leathers are also disclosed. Externally stabilized synthetic leathers having improved peel strength are also disclosed.
Abstract translation: 本文公开了制备具有改善的剥离强度的外部稳定的，具有改性的聚酯合成革的方法，所述方法包括：由包含至少一种聚酯多元醇，至少一种聚醚多元醇，至少一种异氰酸酯和任选在溶剂中的混合物制备预聚物; 混合预聚物，水和第一表面活性剂; 任选地加入第二扩链剂以形成PUD; 制备包含所述PUD，至少一种表面活性剂和至少一种增稠剂的混合物; 发泡混合物; 将发泡混合物施加到织物上，从而形成涂布织物; 调节涂布织物上发泡混合物的厚度; 干燥涂层织物。 还公开了改善外用合成革的剥离强度的方法。 还公开了具有改善的剥离强度的外部稳定的合成皮革。
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公开(公告)号：US20210388559A1
公开(公告)日：2021-12-16
申请号：US17285007
申请日：2018-11-15
Applicant: Dow Global Technologies LLC
Inventor： Chao Zhang , Zetian Cai , Huan Chen , Yi Zhang , Xiangyang Tai , Shihao Qin
Abstract: A synthetic leather article comprising a top coating derived from an internally emulsified PUD, a barrier layer derived from an externally emulsified PUD and a 2K non-solvent PU foam layer is provided. The leather article exhibits high delamination resistance while retaining superior mechanical properties and appearance comparable with those derived from the organic solvent-based PU. A method for preparing the synthetic leather article is also provided.
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公开(公告)号：US20190211199A1
公开(公告)日：2019-07-11
申请号：US16337633
申请日：2016-09-29
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： Chao Zhang , Haiyang Yu , Xiaolian Hu , Hongyu Chen , Yi Zhang , Xiaochun Liu
CPC classification number: C08L53/00 , A43B13/04 , C08J9/103 , C08J2201/026 , C08J2203/04 , C08J2205/044 , C08J2353/00 , C08J2423/08 , C08J2429/14 , C08J2433/02 , C08J2453/00 , C08K5/138 , C08K5/17 , C08K5/49 , C08L23/0815 , C08L51/06 , C08L2203/14 , C08L2205/025 , C08L2205/03 , C08L2205/035 , C08L2312/00 , C08K3/011 , C08K5/23 , C08K5/14
Abstract: Disclosed herein is a foam composition comprising an olefin copolymer that comprises ethylene and an α-olefin or propylene and an α-olefin; an unneutralized carboxylated olefin copolymer; a crosslinking agent; and a blowing agent; where the foam composition is substantially free from neutralized carboxylated ethylene copolymer. Disclosed herein too is a method of manufacturing a foam composition comprising blending together an olefin copolymer that comprises ethylene and an α-olefin or propylene and an α-olefin; an unneutralized carboxylated olefin copolymer; a crosslinking agent; and a blowing agent to form the foam composition; where the foam composition is substantially free from neutralized carboxylated ethylene copolymer; heating the foam composition to activate the blowing agent to form a foam; and crosslinking the foam.
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公开(公告)号：US20150307710A1
公开(公告)日：2015-10-29
申请号：US14649600
申请日：2012-12-12
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： Michael J. Mullins , Chao Zhang , Jia wen Xiong , Hongyu Chen , Michael D. Read , Nan-Rong Chiou
CPC classification number: C08L83/06 , C08F8/30 , C08F8/42 , C08F212/08 , C08F222/08 , C08G59/4007 , C08G59/4085 , C08G59/42 , C08G77/80 , C08L2312/08 , C08F222/06 , C08F2222/408
Abstract: Embodiments of the present disclosure include a hardener compound for curing with an epoxy resin, where the hardener compound includes a copolymer having a first constitutional unit of the formula (I), a second constitutional unit of the formula (II), and a third constitutional unit of the formula (III), where each q, n and m is independently a positive integer; each b is independently selected from the group of 6, 8, 10 and 12; each Y is independently an organic group; and each R is independently selected from the group of a hydrogen, an organic group and a halogen. Embodiments of the present disclosure include an epoxy system that includes the hardener compound and an epoxy resin.
Abstract translation: 本公开的实施方案包括用于用环氧树脂固化的固化剂化合物，其中所述固化剂化合物包括具有式（I）的第一结构单元的共聚物，式（II）的第二结构单元和第三结构式 式（III）的单元，其中每个q，n和m独立地为正整数; 每个b独立地选自6,8,10和12组; 每个Y独立地是有机基团; 并且每个R独立地选自氢，有机基团和卤素。 本公开的实施方案包括包含固化剂化合物和环氧树脂的环氧体系。
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