AU2020394440A1 - Crosslinked polyolefin foam having large core cells - Google Patents

Crosslinked polyolefin foam having large core cells Download PDF

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Publication number
AU2020394440A1
AU2020394440A1 AU2020394440A AU2020394440A AU2020394440A1 AU 2020394440 A1 AU2020394440 A1 AU 2020394440A1 AU 2020394440 A AU2020394440 A AU 2020394440A AU 2020394440 A AU2020394440 A AU 2020394440A AU 2020394440 A1 AU2020394440 A1 AU 2020394440A1
Authority
AU
Australia
Prior art keywords
foam
foam sheet
surface region
closed cell
crosslinked polyolefin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
AU2020394440A
Other languages
English (en)
Inventor
Gary Gray
Keigo SHIMURA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sekisui Voltek LLC
Original Assignee
Sekisui Voltek LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US16/699,062 external-priority patent/US11332590B2/en
Priority claimed from US16/699,063 external-priority patent/US11976175B2/en
Application filed by Sekisui Voltek LLC filed Critical Sekisui Voltek LLC
Publication of AU2020394440A1 publication Critical patent/AU2020394440A1/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5654—Subdividing foamed articles to obtain particular surface properties, e.g. on multiple modules
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
    • C08J2201/026—Crosslinking before of after foaming
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/05—Open cells, i.e. more than 50% of the pores are open
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/052—Closed cells, i.e. more than 50% of the pores are closed
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2331/00—Characterised by the use of copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, or carbonic acid, or of a haloformic acid
    • C08J2331/02—Characterised by the use of omopolymers or copolymers of esters of monocarboxylic acids
    • C08J2331/04—Homopolymers or copolymers of vinyl acetate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
AU2020394440A 2019-11-28 2020-11-25 Crosslinked polyolefin foam having large core cells Pending AU2020394440A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US16/699,062 2019-11-28
US16/699,062 US11332590B2 (en) 2019-11-28 2019-11-28 Crosslinked polyolefin foam having large core cells
US16/699,063 US11976175B2 (en) 2019-11-28 2019-11-28 Split crosslinked polyolefin foam composition and method
US16/699,063 2019-11-28
PCT/US2020/062298 WO2021108608A1 (en) 2019-11-28 2020-11-25 Crosslinked polyolefin foam having large core cells

Publications (1)

Publication Number Publication Date
AU2020394440A1 true AU2020394440A1 (en) 2022-06-23

Family

ID=76130392

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2020394440A Pending AU2020394440A1 (en) 2019-11-28 2020-11-25 Crosslinked polyolefin foam having large core cells

Country Status (5)

Country Link
EP (1) EP4065363A4 (zh)
JP (1) JP2023503983A (zh)
CN (1) CN114765983A (zh)
AU (1) AU2020394440A1 (zh)
WO (2) WO2021108615A1 (zh)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5883144A (en) * 1994-09-19 1999-03-16 Sentinel Products Corp. Silane-grafted materials for solid and foam applications
JP3297253B2 (ja) * 1995-06-29 2002-07-02 積水化学工業株式会社 架橋ポリオレフィン系樹脂発泡体、積層体及び成形体
JP2001138422A (ja) * 1999-11-15 2001-05-22 Sekisui Chem Co Ltd 発泡シート及びその製造方法
TW565507B (en) * 2000-06-30 2003-12-11 Mitsui Chemicals Inc Foamed laminate based on olefin and use thereof
JP2004204154A (ja) * 2002-12-26 2004-07-22 Sekisui Chem Co Ltd 架橋ポリオレフィン系樹脂発泡体及びその製造方法
JP2010031137A (ja) * 2008-07-29 2010-02-12 Sekisui Chem Co Ltd 独立気泡発泡シート
BR112015003776B1 (pt) * 2012-08-29 2021-03-09 Dow Global Technologies Llc composição, espuma e artigo
CN105579501B (zh) * 2013-09-30 2019-08-30 积水化学工业株式会社 交联聚烯烃系树脂发泡片
JP2018521182A (ja) * 2015-06-30 2018-08-02 セキスイ ヴォルテック， エルエルシーＳｅｋｉｓｕｉ Ｖｏｌｔｅｋ， Ｌｌｃ 物理架橋発泡性粒子、現場発泡体の製造方法及びその積層発泡体
US11738492B2 (en) * 2016-03-31 2023-08-29 Toray Plastics (America), Inc. Methods of producing polyolefin foam sheets and articles made thereof
KR102476105B1 (ko) * 2016-08-03 2022-12-08 도레이 카부시키가이샤 적층체

Also Published As

Publication number Publication date
WO2021108615A1 (en) 2021-06-03
EP4065363A1 (en) 2022-10-05
CN114765983A (zh) 2022-07-19
WO2021108608A1 (en) 2021-06-03
JP2023503983A (ja) 2023-02-01
EP4065363A4 (en) 2023-12-27

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