CN113166462B - 可膨胀、贮存稳定的聚合物珠 - Google Patents

可膨胀、贮存稳定的聚合物珠 Download PDF

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CN113166462B
CN113166462B CN201980079899.1A CN201980079899A CN113166462B CN 113166462 B CN113166462 B CN 113166462B CN 201980079899 A CN201980079899 A CN 201980079899A CN 113166462 B CN113166462 B CN 113166462B
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beads
expandable beads
expandable
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equal
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CN113166462A (zh
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S·M·艾哈迈德
J·A·奥格尔
A·R·A·阿拉法思
A·K·奥-哈拉耶夫
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SABIC Global Technologies BV
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/32Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/16Making expandable particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/02Making granules by dividing preformed material
    • B29B9/06Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B29B9/065Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/12Making granules characterised by structure or composition
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/16Auxiliary treatment of granules
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    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066Use of inorganic compounding ingredients
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    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0095Mixtures of at least two compounding ingredients belonging to different one-dot groups
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    • C08J2201/00Foams characterised by the foaming process
    • C08J2201/02Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
    • C08J2201/03Extrusion of the foamable blend
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    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/22Expandable microspheres, e.g. Expancel®
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    • C08J2205/00Foams characterised by their properties
    • C08J2205/04Foams characterised by their properties characterised by the foam pores
    • C08J2205/052Closed cells, i.e. more than 50% of the pores are closed
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    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised 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
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    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised 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
    • C08J2323/10Homopolymers or copolymers of propene
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    • C08J2423/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02Characterised 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
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    • C08J2423/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02Characterised 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
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    • C08J2423/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02Characterised 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
    • C08J2423/10Homopolymers or copolymers of propene
    • C08J2423/14Copolymers of propene

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  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
CN201980079899.1A 2018-12-05 2019-11-20 可膨胀、贮存稳定的聚合物珠 Active CN113166462B (zh)

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Application Number Priority Date Filing Date Title
EP18210363 2018-12-05
EP18210363.0 2018-12-05
PCT/EP2019/081999 WO2020114784A1 (en) 2018-12-05 2019-11-20 Expandable, shelf stable polymer bead

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CN113166462B true CN113166462B (zh) 2023-06-20

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US (2) US20220033608A1 (https=)
EP (1) EP3898800A1 (https=)
JP (1) JP7616997B2 (https=)
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WO (1) WO2020114784A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12611800B2 (en) * 2020-12-28 2026-04-28 Sabic Global Technologies B.V. Glass fiber reinforced thermoplastic polymer composition comprising a thermoplastic polymer composition with high flowability
WO2022271967A1 (en) * 2021-06-23 2022-12-29 Motivo, Inc. Ambulation aid formed from air-infused particles
WO2024204000A1 (ja) * 2023-03-27 2024-10-03 株式会社カネカ ポリプロピレン系発泡粒子、ポリプロピレン系発泡成形体、および、それらの製造方法
TWI896084B (zh) * 2024-04-17 2025-09-01 禾義國際包裝材料有限公司 球形聚丙烯發泡粒子及精密成型體製備方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1572823A (zh) * 2003-06-12 2005-02-02 株式会社Jsp 发泡聚丙烯树脂珠粒及其制备方法
CN103788502A (zh) * 2012-10-29 2014-05-14 中国石油化工股份有限公司 一种聚丙烯发泡珠粒成型体及其制备方法
CN205466864U (zh) * 2016-02-23 2016-08-17 西华大学 一种阻燃剂母粒粗品分离干燥装置

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3615972A (en) 1967-04-28 1971-10-26 Dow Chemical Co Expansible thermoplastic polymer particles containing volatile fluid foaming agent and method of foaming the same
US3945956A (en) 1975-06-23 1976-03-23 The Dow Chemical Company Polymerization of styrene acrylonitrile expandable microspheres
JPH0689168B2 (ja) * 1986-05-30 1994-11-09 積水化成品工業株式会社 発泡性ポリエチレン系樹脂の製造方法
SE9003600L (sv) 1990-11-12 1992-05-13 Casco Nobel Ab Expanderbara termoplastiska mikrosfaerer samt foerfarande foer framstaellning daerav
JP3659979B2 (ja) 1992-04-15 2005-06-15 松本油脂製薬株式会社 熱膨張性マイクロカプセルとその製法
KR100562729B1 (ko) 1998-01-26 2006-03-20 가부시끼가이샤 구레하 발포성 마이크로스페어 및 그 제조방법
WO1999043758A1 (en) 1998-02-24 1999-09-02 Matsumoto Yushi-Seiyaku Co., Ltd. Heat-expandable microcapsules, process for producing the same, and method of utilizing the same
WO1999046320A1 (en) 1998-03-13 1999-09-16 Matsumoto Yushi-Seiyaku Co., Ltd. Heat-expandable microcapsules and method of utilizing the same
JP4154763B2 (ja) 1998-09-14 2008-09-24 凸版印刷株式会社 パルプビーズ及びこれを用いたパルプ成形体
US6509384B2 (en) 2000-04-28 2003-01-21 Akzo Nobel N.V. Chemical product and method
EP1288272B2 (en) 2000-04-28 2016-04-13 Kureha Corporation Heat-expandable microsphere and production process thereof
JP5044074B2 (ja) 2001-06-11 2012-10-10 株式会社クレハ 熱発泡性マイクロスフェアー及びその製造方法
GB0226773D0 (en) 2002-11-18 2002-12-24 Pyro Technologies Ltd A syntactic phenolic foam composition
WO2004072160A1 (en) 2003-02-11 2004-08-26 Akzo Nobel N.V. Microspheres
CN100566811C (zh) 2004-09-13 2009-12-09 株式会社吴羽 热发泡性微球及其制造方法、其用途、含有其的组合物、和物品
CN101312782B (zh) * 2005-11-21 2012-07-11 松本油脂制药株式会社 热膨胀性微球、其制造方法以及用途
PL1981630T3 (pl) 2006-02-10 2016-03-31 Akzo Nobel Chemicals Int Bv Mikrosfery
JP5485611B2 (ja) * 2008-08-07 2014-05-07 積水化学工業株式会社 熱膨張性マイクロカプセル及び発泡成形体
JP5485697B2 (ja) 2008-09-30 2014-05-07 積水化学工業株式会社 発泡成形用マスターバッチ及び発泡成形体
KR102324945B1 (ko) * 2014-02-04 2021-11-12 마쓰모토유시세이야쿠 가부시키가이샤 마스터배치 및 그 용도
JP6082848B2 (ja) * 2014-05-23 2017-02-15 松本油脂製薬株式会社 熱膨張性微小球、その製造方法および用途
US20170267817A1 (en) 2014-08-22 2017-09-21 3M Innovative Properties Company Method and composition including thermoplastic particles and hollow microspheres and articles made from them
US10093783B2 (en) * 2014-11-26 2018-10-09 Matsumoto Yushi-Seiyaku Co., Ltd. Heat-expandable microspheres and application thereof
JP2016191022A (ja) 2015-03-31 2016-11-10 理研ビタミン株式会社 発泡樹脂成形体
KR20170017611A (ko) * 2015-08-07 2017-02-15 현대자동차주식회사 발포성 마스터배치 및 이를 포함하는 발포성과 무도장 특성이 우수한 폴리올레핀 수지 조성물
TW201736423A (zh) 2015-09-11 2017-10-16 三晃股份有限公司 發泡熱塑性聚氨基甲酸酯及其微波成型體
JP7005158B2 (ja) 2017-03-31 2022-02-04 株式会社カネカ 発泡性熱可塑性樹脂粒子の製造方法
KR102010457B1 (ko) * 2018-02-13 2019-08-13 화인케미칼 주식회사 저비중 성형 폼 조성물 및 이를 이용한 성형 폼의 제조방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1572823A (zh) * 2003-06-12 2005-02-02 株式会社Jsp 发泡聚丙烯树脂珠粒及其制备方法
CN103788502A (zh) * 2012-10-29 2014-05-14 中国石油化工股份有限公司 一种聚丙烯发泡珠粒成型体及其制备方法
CN205466864U (zh) * 2016-02-23 2016-08-17 西华大学 一种阻燃剂母粒粗品分离干燥装置

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US20220033608A1 (en) 2022-02-03
WO2020114784A1 (en) 2020-06-11
CN113166462A (zh) 2021-07-23
JP7616997B2 (ja) 2025-01-17
JP2022511523A (ja) 2022-01-31
US20250084228A1 (en) 2025-03-13
EP3898800A1 (en) 2021-10-27

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