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公开(公告)号：US20190218358A1
公开(公告)日：2019-07-18
申请号：US16099189
申请日：2017-05-02
Applicant: THE CHEMOURS COMPANY FC, LLC
Inventor： JOSEPH ANTHONY CREAZZO , MARK L ROBIN
CPC classification number: C08J9/146 , C08J9/0061 , C08J9/149 , C08J2201/03 , C08J2203/142 , C08J2203/162 , C08J2203/182 , C08J2205/042 , C08J2205/044 , C08J2205/052 , C08J2325/06 , C08J2325/12 , C08K3/04 , C08L25/12 , C08L2201/02 , C08L2203/14
Abstract: A process is provided comprising extruding a molten composition comprising thermoplastic polymer comprising polystyrene and blowing agent comprising Z-1,1,1,4,4,4-hexafluoro-2-butene (Z-HFO-1336mzz) under the conditions (a) said molten composition being formed by melt mixing at a temperature of at least 180° C., (b) said melt mixing being carried out and under a pressure of at least 1500 psi (103 Bar), (c) said extruding being carried out at a temperature of at least 120° C., and (d) said extruding being carried out under a pressure of at least 1000 psi (69 Bar), said conditions being effective to produce closed cell, smooth skin, low density foamed thermoplastic polymer comprising polystyrene. in the absence of any co-blowing agent.
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Patent Agency Ranking
公开(公告)号：US20180002507A1
公开(公告)日：2018-01-04
申请号：US15546001
申请日：2016-02-03
Applicant: THE CHEMOURS COMPANY FC, LLC
Inventor： MARIO JOSEPH NAPPA , XUEHUI SUN , IVAN SERGEYEVICH BALDYCHEV , SHENG PENG , KONSTANTINOS KONTOMARIS , BARBARA HAVILAND MINOR , JOSEPH ANTHONY CREAZZO
Abstract: The present disclosure relates to compositions comprising E-1,1,1,4,4,4-hexafluoro-2-butene and additional compounds that may be useful as refrigerants, heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, power cycle working fluids, extinguishing agents, and fire suppression agents in liquid or vapor form, and in methods for detecting leaks.
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公开(公告)号：US20190211172A1
公开(公告)日：2019-07-11
申请号：US16099186
申请日：2017-05-04
Applicant: THE CHEMOURS COMPANY FC, LLC
CPC classification number: C08J9/0061 , C08J9/146 , C08J9/149 , C08J2201/03 , C08J2203/162 , C08J2203/164 , C08J2203/182 , C08J2325/04 , C08J2325/06 , C08J2453/00 , C08J2453/02 , C08L25/06 , C08L53/02 , C08L53/025 , C08L53/00
Abstract: The present invention is a process for foaming thermoplastic polymer comprising polystyrene said process comprising forming a molten foamable composition comprising said thermoplastic polymer, block copolymer, and blowing agent comprising at least one of Z-1,1,1,4,4,4-hexafluoro-2-butene and E-1,1,1,4,4,4-hexafluoro-2-butene and expanding said foamable composition to obtain as a result thereof foamed thermoplastic polymer, the process being preferably carried out by extruding the composition in molten form, whereupon the foaming of the thermoplastic polymer occurs.
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公开(公告)号：US20210221972A1
公开(公告)日：2021-07-22
申请号：US17197766
申请日：2021-03-10
Applicant: THE CHEMOURS COMPANY FC, LLC
Inventor： MARIO JOSEPH NAPPA , XUEHUI SUN , IVAN SERGEYEVICH BALDYCHEV , SHENG PENG , KONSTANTINOS KONTOMARIS , BARBARA HAVILAND MINOR , JOSEPH ANTHONY CREAZZO
Abstract: The present disclosure relates to compositions comprising Z-1,1,1,4,4,4-hexafluoro-2-butene and additional compounds that may be useful as refrigerants, heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, power cycle working fluids, extinguishing agents, and fire suppression agents in liquid or vapor form.
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公开(公告)号：US20190211174A1
公开(公告)日：2019-07-11
申请号：US16099187
申请日：2017-05-02
Applicant: THE CHEMOURS COMPANY FC, LLC
Inventor： JOSEPH ANTHONY CREAZZO , MARK L ROBIN
IPC: C08J9/14
CPC classification number: C08J9/146 , C08J2201/03 , C08J2203/162 , C08J2203/182 , C08J2205/044 , C08J2205/052 , C08J2205/06 , C08J2325/04 , C08J2325/06 , C08J2325/12 , C08J2333/20
Abstract: A process is provided comprising extruding a molten composition comprising thermoplastic polymer comprising polystyrene and blowing agent comprising either HFO-1234yf (2,3,3,3-tetrafluoropropene) or E-HFO-1336mzz (E-1,1,1,4,4,4-hexafluoro-2-butene) under the conditions (a) said composition being formed by melt mixing at a temperature of at least 180° C., (b) said melt mixing being carried out under a pressure of at least 2500 psi (172 Bar), (c) said extruding being carried out at a temperature of at least 120° C., and (d) said extruding being carried out under a pressure of at least 1250 psi (86 Bar), and obtaining as a result thereof a closed cell, smooth skin, low density foamed thermoplastic polymer comprising polystyrene, the foamed product thereby being free of macovoids and blowholes.
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公开(公告)号：US20180002506A1
公开(公告)日：2018-01-04
申请号：US15546000
申请日：2016-02-03
Applicant: THE CHEMOURS COMPANY FC, LLC
Inventor： MARIO JOSEPH NAPPA , XUEHUI SUN , IVAN SERGEYEVICH BALDYCHEV , SHENG PENG , KONSTANTINOS KONTOMARIS , BARBARA HAVILAND MINOR , JOSEPH ANTHONY CREAZZO
CPC classification number: C08J9/143 , C08J2203/142 , C08J2203/162 , C08J2203/182 , C08J2203/202 , C09K3/30 , C09K5/045 , C09K2205/12 , C09K2205/122 , C09K2205/126 , C09K2205/22 , C09K2205/40
Abstract: The present disclosure relates to compositions comprising Z-1,1,1,4,4,4-hexafluoro-2-butene and additional compounds that may be useful as refrigerants, heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, power cycle working fluids, extinguishing agents, and fire suppression agents in liquid or vapor form.
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