-
1.发明专利
公开(公告)号：BR112017002210B1
公开(公告)日：2022-05-03
申请号：BR112017002210
申请日：2014-08-15
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： CHEN CHENG , LI DACHAO , DAVID HONG FEI GUO , SUN GANGWEI , ZHANG JIANXIN , DU ZHE
Abstract: espuma de polietileno enxertado com polidimetilsiloxano. num aspecto, é fornecida uma espuma compreendendo: uma matriz polimérica compreendendo siloxano polimerizado enxertado com polietileno e uma pluralidade de células formadas na matriz polimérica e contendo um agente de sopro compreendendo dióxido de carbono. em outro aspecto, é fornecido um método para fazer uma espuma compreendendo: enxertar siloxano polimerizado em polietileno para formar um intermediário enxertado; moldar o intermediário enxertado para formar um intermediário moldado; e espumar o intermediário moldado usando co2 a alta pressão para formar a espuma, em que a espuma tem uma porosidade maior que 75%.
-
公开(公告)号：CA2957605C
公开(公告)日：2022-03-01
申请号：CA2957605
申请日：2014-08-15
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： CHEN CHENG , DU ZHE , GUO DAVID HONG FEI , LI DACHAO , SUN GANGWEI , ZHANG JIANXIN
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%.
-
Patent Agency Ranking
公开(公告)号：CA3007012A1
公开(公告)日：2017-06-08
申请号：CA3007012
申请日：2015-12-03
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： CHEN CHENG , SUN GANGWEI , ESSEGHIR MOHAMED , COGEN JEFFREY M , DU ZHE , ZHANG JIANXIN
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.
-
公开(公告)号：MX387544B
公开(公告)日：2025-03-18
申请号：MX2017001439
申请日：2017-01-31
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： CHEN CHENG , LI DACHAO , GUO DAVID HONG FEI , SUN GANGWEI , ZHANG JIANXIN , DU ZHE
Abstract: En un aspecto se proporciona una espuma que comprende: una matriz polimérica que comprende siloxano polimerizado injertado con polietileno y una pluralidad de células formadas en la matriz polimérica que contienen un agente de soplado que comprende dióxido de carbono. En otro aspecto se proporciona un método para fabricar una espuma que comprende: injertar siloxano polimerizado en polietileno para formar un agente mediador injertado; moldear el agente mediador injertado para formar un agente mediador moldeado y espumar el agente mediador moldeado usando CO2 de alta presión para formar la espuma, en donde la espuma tiene una porosidad mayor a 75%.
-
公开(公告)号：BR112018009883B1
公开(公告)日：2022-01-04
申请号：BR112018009883
申请日：2015-12-03
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： CHEN CHENG , SUN GANGWEI , JEFFREY M COGEN , ZHANG JIANXIN , ESSEGHIR MOHAMED , DU ZHE
Abstract: polietileno microcelular de alta porosidade. um processo para fazer uma composição de espuma, o processo compreendendo as etapas de: (a) formar uma mistura compreendendo polietileno de alta densidade (hdpe), polietileno de baixa densidade (ldpe) e um peróxido; e (b) contatar a mistura de (a) com dióxido de carbono (co2) a uma pressão maior ou igual a 15 megapascals (mpa). em uma modalidade, o peróxido é dtap. em uma modalidade, a mistura de (a) compreende ainda um composto de co2-fílico, tal como pdms.
-
公开(公告)号：CA2957605A1
公开(公告)日：2016-02-18
申请号：CA2957605
申请日：2014-08-15
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： DU ZHE , CHEN CHENG , GUO DAVID HONG FEI , LI DACHAO , SUN GANGWEI , ZHANG JIANXIN
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%.
-
公开(公告)号：EP3180793A4
公开(公告)日：2018-04-25
申请号：EP14899628
申请日：2014-08-15
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： DU ZHE , CHEN CHENG , GUO DAVID HONG FEI , LI DACHAO , SUN GANGWEI , ZHANG JIANXIN
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%.
-
-
-
-
-
-
Search Results
7
records
(took 0.032 seconds)
