JP7813874B2 - ポリプロピレン系樹脂発泡粒子、ポリプロピレン系樹脂発泡成形体およびポリプロピレン系樹脂発泡粒子の製造方法 - Google Patents

ポリプロピレン系樹脂発泡粒子、ポリプロピレン系樹脂発泡成形体およびポリプロピレン系樹脂発泡粒子の製造方法

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Publication number
JP7813874B2
JP7813874B2 JP2024512517A JP2024512517A JP7813874B2 JP 7813874 B2 JP7813874 B2 JP 7813874B2 JP 2024512517 A JP2024512517 A JP 2024512517A JP 2024512517 A JP2024512517 A JP 2024512517A JP 7813874 B2 JP7813874 B2 JP 7813874B2
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Prior art keywords
propylene
beads
polypropylene resin
expanded
block copolymer
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JP2024512517A
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Japanese (ja)
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JPWO2023190441A5 (https=
JPWO2023190441A1 (https=
Inventor
安叶 松田
太郎 木口
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Kaneka Corp
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Kaneka Corp
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Publication of JPWO2023190441A5 publication Critical patent/JPWO2023190441A5/ja
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    • 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
    • C08J9/16—Making expandable particles
    • C08J9/18—Making expandable particles by impregnating polymer particles with the blowing agent
    • 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
    • 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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
    • B29C44/3461—Making or treating expandable particles
    • 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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C08J9/228—Forming foamed products
    • C08J9/232—Forming foamed products by sintering expandable particles
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/06—CO2, N2 or noble gases
    • 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
    • C08J2323/14—Copolymers of propene
    • 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
    • C08J2400/00—Characterised by the use of unspecified polymers
    • C08J2400/30—Polymeric waste or recycled polymer
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—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
    • C08J2423/10—Homopolymers or copolymers of propene
    • C08J2423/14—Copolymers of propene
    • 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
    • C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases

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)
JP2024512517A 2022-03-29 2023-03-28 ポリプロピレン系樹脂発泡粒子、ポリプロピレン系樹脂発泡成形体およびポリプロピレン系樹脂発泡粒子の製造方法 Active JP7813874B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022053911 2022-03-29
JP2022053911 2022-03-29
PCT/JP2023/012378 WO2023190441A1 (ja) 2022-03-29 2023-03-28 ポリプロピレン系樹脂発泡粒子、ポリプロピレン系樹脂発泡成形体およびポリプロピレン系樹脂発泡粒子の製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2026015498A Division JP2026071293A (ja) 2022-03-29 2026-02-02 ポリプロピレン系樹脂発泡粒子、ポリプロピレン系樹脂発泡成形体およびポリプロピレン系樹脂発泡粒子の製造方法

Publications (3)

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JPWO2023190441A1 JPWO2023190441A1 (https=) 2023-10-05
JPWO2023190441A5 JPWO2023190441A5 (https=) 2024-12-16
JP7813874B2 true JP7813874B2 (ja) 2026-02-13

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Country Status (4)

Country Link
EP (1) EP4502029A4 (https=)
JP (1) JP7813874B2 (https=)
CN (1) CN118974153A (https=)
WO (1) WO2023190441A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025187582A1 (ja) * 2024-03-04 2025-09-12 株式会社カネカ ポリプロピレン系樹脂発泡粒子、ポリプロピレン系樹脂発泡成形体、およびポリプロピレン系樹脂発泡粒子の製造方法
WO2025205814A1 (ja) * 2024-03-26 2025-10-02 株式会社カネカ ポリプロピレン系樹脂発泡粒子、ポリプロピレン系樹脂発泡成形体およびポリプロピレン系樹脂発泡粒子の製造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000154270A (ja) 1998-11-19 2000-06-06 Chisso Corp 発泡ポリプロピレン系組成物及び発泡成形体
JP2000198872A (ja) 1998-10-29 2000-07-18 Jsp Corp ポリプロピレン系樹脂発泡粒子及びポリプロピレン系樹脂発泡粒子成形体
JP2014173012A (ja) 2013-03-08 2014-09-22 Jsp Corp ポリプロピレン系樹脂発泡粒子およびその成形体
WO2016098698A1 (ja) 2014-12-17 2016-06-23 株式会社カネカ ポリプロピレン系樹脂発泡粒子

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4126358A1 (de) * 1991-08-09 1993-02-11 Basf Ag Schaumstoffe auf basis eines impact-copolymeren
JP5252957B2 (ja) * 2007-09-14 2013-07-31 株式会社カネカ ポリプロピレン系樹脂予備発泡粒子およびそれからなる型内成形体
CN108291048B (zh) * 2015-11-26 2021-07-06 株式会社钟化 聚丙烯系树脂发泡颗粒的制造方法、聚丙烯系树脂发泡颗粒及模内发泡成型体
JP7082611B2 (ja) * 2017-04-14 2022-06-08 株式会社カネカ ポリプロピレン系樹脂発泡粒子の製造方法、ポリプロピレン系樹脂発泡粒子およびポリプロピレン系樹脂型内発泡成形体
JP7545253B2 (ja) * 2020-07-22 2024-09-04 株式会社カネカ ポリプロピレン系樹脂粒子およびその利用

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000198872A (ja) 1998-10-29 2000-07-18 Jsp Corp ポリプロピレン系樹脂発泡粒子及びポリプロピレン系樹脂発泡粒子成形体
JP2000154270A (ja) 1998-11-19 2000-06-06 Chisso Corp 発泡ポリプロピレン系組成物及び発泡成形体
JP2014173012A (ja) 2013-03-08 2014-09-22 Jsp Corp ポリプロピレン系樹脂発泡粒子およびその成形体
WO2016098698A1 (ja) 2014-12-17 2016-06-23 株式会社カネカ ポリプロピレン系樹脂発泡粒子

Also Published As

Publication number Publication date
WO2023190441A1 (ja) 2023-10-05
JPWO2023190441A1 (https=) 2023-10-05
EP4502029A4 (en) 2026-04-15
CN118974153A (zh) 2024-11-15
EP4502029A1 (en) 2025-02-05

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