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公开(公告)号:US20160333160A1
公开(公告)日:2016-11-17
申请号:US15112924
申请日:2014-01-23
Applicant: DOW GLOBAL TECHNOLOGIES LLC , Rohm and Haas Company
Inventor: Luigi Bertucelli , Vanni Parenti , Dachao Li , Wei Liu , Ning Chai , Beilei Wang , Cheng Chen , Hong Fei Guo , Jing Chen , Yige Yin , Stephane Costeux , Billy G. Smith
CPC classification number: C08J9/122 , B29C44/10 , B29C44/348 , B29K2075/00 , C08G18/163 , C08G18/1808 , C08G18/1816 , C08G18/2036 , C08G18/225 , C08G18/48 , C08G18/4816 , C08G18/4829 , C08G18/7664 , C08G18/7671 , C08G2101/0025 , C08J2201/022 , C08J2203/06 , C08J2203/08 , C08J2205/044 , C08J2205/05 , C08J2205/10 , C08J2375/08
Abstract: A rigid polyurethane (PU) foam having a number average cell size of no greater than 10
Abstract translation: 具有数均孔径不大于10的硬质聚氨酯(PU)泡沫
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公开(公告)号:US11104777B2
公开(公告)日:2021-08-31
申请号:US16321537
申请日:2016-07-29
Applicant: Dow Global Technologies LLC
Inventor: Ning Chai , Jing Chen , Yige Yin , Cheng Chen , Vanni Parenti
IPC: C08J9/12 , C08G18/09 , C08G18/18 , C08G18/20 , C08G18/48 , C08G18/76 , B29C44/14 , B29C44/06 , B29C44/12
Abstract: Provided are insulative apparatus and methods of forming insulative apparatus. As an example, a method of forming an insulative apparatus can include connecting a barrier material to a mold; injecting a polyurethane foam composition into the mold, wherein the polyurethane foam composition includes a polyol, an isocyanate, and supercritical carbon dioxide; curing the polyurethane foam composition to form a polyurethane foam and applying a vacuum to the mold to provide a pressure from 1 millibar to 500 millibar.
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公开(公告)号:US20190169393A1
公开(公告)日:2019-06-06
申请号:US16321537
申请日:2016-07-29
Applicant: Dow Global Technologies LLC
Inventor: Ning Chai , Jing Chen , Yige Yin , Cheng Chen , Vanni Parenti
Abstract: Provided are insulative apparatus and methods of forming insulative apparatus. As an example, a method of forming an insulative apparatus can include connecting a barrier material to a mold; injecting a polyurethane foam composition into the mold, wherein the polyurethane foam composition includes a polyol, an isocyanate, and supercritical carbon dioxide; curing the polyurethane foam composition to form a polyurethane foam and applying a vacuum to the mold to provide a pressure from 1 millibar to 500 millibar.
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公开(公告)号:US10308782B2
公开(公告)日:2019-06-04
申请号:US15324770
申请日:2014-08-15
Applicant: Dow Global Technologies LLC
Inventor: Zhe Du , Cheng Chen , David Hong Fei Guo , Dachao Li , Gangwei Sun , Jianxin Zhang
Abstract: In one aspect there is provided a foam comprising: a polymeric matrix comprising polyethylene grafted polymerized siloxane, and a plurality of cells formed in the polymeric matrix and containing a blowing agent comprising carbon dioxide. In another aspect there is provided a method of making a foam comprising: grafting polymerized siloxane to polyethylene to form a grafted intermediate; molding the grafted intermediate to form a molded intermediate; and foaming the molded intermediate using high-pressure CO2 to form the foam, wherein the foam has a porosity greater than 75%.
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公开(公告)号:US20170325634A1
公开(公告)日:2017-11-16
申请号:US15533742
申请日:2014-12-19
Applicant: Jie CAI , Yongjin GUO , Jeffery D. ZAWISZA , Cheng CHEN , Dachao LI , Wei LIU , Jing CHEN , David Hongfei Hongfei , Dow Global Technologies LLC
Inventor: Jie Cai , Yongjin Guo , Jeffery D. Zawisza , Cheng Chen , Dachao Li , Wei Liu , Jing Chen , David Hongfei Guo
CPC classification number: A47J41/022 , A47J41/0038 , A47J41/0072 , B65D81/3818 , B65D81/3869 , F25D11/00 , F25D23/062 , F25D23/066 , F25D2201/14
Abstract: Embodiments of the present disclosure are directed towards vacuum vessels, more specifically, embodiments are directed towards insulating devices and high insulating systems including vacuum vessels. As an example, a vacuum vessel can include a shell including a continuous surface layer with a shell locking portion, a liner including a continuous surface layer with a liner locking portion, where the liner locking portion and the shell locking portion interlock the shell and the liner and include a first sealant layer and a second sealant layer disposed along an interface between the continuous surface layer of the shell and the continuous surface layer of the liner.
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公开(公告)号:US20170204239A1
公开(公告)日:2017-07-20
申请号:US15324770
申请日:2014-08-15
Applicant: Dow Global Technologies LLC
Inventor: Zhe Du , Cheng Chen , Hanfei Guo , Dachao Li , Gangwei Sun , Jianxin Zhang
CPC classification number: C08J9/122 , C08J9/0061 , C08J2201/032 , C08J2203/06 , C08J2207/06 , C08J2323/06 , C08J2351/06 , C08J2387/00 , H01B3/441 , H01B3/46
Abstract: In one aspect there is provided a foam comprising: a polymeric matrix comprising polyethylene grafted polymerized siloxane, and a plurality of cells formed in the polymeric matrix and containing a blowing agent comprising carbon dioxide. In another aspect there is provided a method of making a foam comprising: grafting polymerized siloxane to polyethylene to form a grafted intermediate; molding the grafted intermediate to form a molded intermediate; and foaming the molded intermediate using high-pressure CO2 to form the foam, wherein the foam has a porosity greater than 75%.
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公开(公告)号:US20180346676A1
公开(公告)日:2018-12-06
申请号:US15780102
申请日:2015-12-03
Applicant: Dow Global Technologies LLC
Inventor: Cheng Chen , Gangwei Sun , Mohamed Esseghir , Jeffrey M. Cogen , Zhe Du , Jianxin Zhang
CPC classification number: C08L23/06 , C08J9/0023 , C08J9/0061 , C08J9/122 , C08J2201/026 , C08J2201/03 , C08J2201/032 , C08J2203/06 , C08J2203/08 , C08J2205/044 , C08J2207/06 , C08J2323/06 , C08J2423/06 , C08J2483/04 , C08K5/14 , C08L23/04 , C08L2203/14 , C08L2207/062 , C08L2310/00 , C08L2312/00 , C08L23/0815
Abstract: A process for making a foam composition, the process comprising the steps of: (A) Forming a mixture comprising high density polyethylene (HDPE), low density polyethylene (LDPE) and a peroxide; and (B) Contacting the mixture of (A) with carbon dioxide (CO2) at a pressure greater than or equal to 15 megaPascals (MPa). In one embodiment the peroxide is DTAP. In one embodiment the mixture of (A) further comprises a CO2-philic compound such as PDMS.
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