CA967320A - Process for preparing molded polyolefin foam - Google Patents

Process for preparing molded polyolefin foam

Info

Publication number
CA967320A
CA967320A CA124,692A CA124692A CA967320A CA 967320 A CA967320 A CA 967320A CA 124692 A CA124692 A CA 124692A CA 967320 A CA967320 A CA 967320A
Authority
CA
Canada
Prior art keywords
polyolefin foam
preparing molded
molded polyolefin
preparing
foam
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.)
Expired
Application number
CA124,692A
Other languages
English (en)
Inventor
Yoshifumi Hasama
Ryoichi Ito
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.)
Mitsubishi Petrochemical Co Ltd
Original Assignee
Mitsubishi Petrochemical Co Ltd
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
Application filed by Mitsubishi Petrochemical Co Ltd filed Critical Mitsubishi Petrochemical Co Ltd
Application granted granted Critical
Publication of CA967320A publication Critical patent/CA967320A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/461—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0407—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by regulating the temperature of the mould or parts thereof, e.g. cold mould walls inhibiting foaming of an outer layer
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/05—Use of one or more blowing agents together
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/14—Plastic and nonmetallic article shaping or treating: processes forming integral skin on a foamed product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/64—Processes of using preform in molding

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CA124,692A 1970-10-07 1971-10-07 Process for preparing molded polyolefin foam Expired CA967320A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45087483A JPS4922547B1 (de) 1970-10-07 1970-10-07

Publications (1)

Publication Number Publication Date
CA967320A true CA967320A (en) 1975-05-13

Family

ID=13916174

Family Applications (1)

Application Number Title Priority Date Filing Date
CA124,692A Expired CA967320A (en) 1970-10-07 1971-10-07 Process for preparing molded polyolefin foam

Country Status (6)

Country Link
US (1) US3819784A (de)
JP (1) JPS4922547B1 (de)
CA (1) CA967320A (de)
DE (1) DE2150072C3 (de)
FR (1) FR2109776A5 (de)
GB (1) GB1321341A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900544A (en) * 1973-11-28 1975-08-19 Arco Polymers Inc Method for the continuous extrusion of multiple small cross-section thermoplastic polymeric resinous foam profiles
US4138534A (en) * 1977-02-07 1979-02-06 Lifetime Foam Products, Inc. Production of structural members from reclaimed polyolefins
US4459249A (en) * 1982-01-22 1984-07-10 Inoue Mtp Kabushiki Kaisha Method of manufacturing a foamed protective and decorative molding for an automobile
US4952352A (en) * 1985-04-04 1990-08-28 Shin Yong W Process for producing a low density foamed polyethylene
US5116881A (en) * 1990-03-14 1992-05-26 James River Corporation Of Virginia Polypropylene foam sheets
DE4024274C2 (de) * 1990-07-31 1999-01-28 Bayerische Motoren Werke Ag Verfahren zum Herstellen eines gepolsterten Polypropylen-Ausstattungsteiles insbesondere für Fahrzeuge
KR920004128A (ko) * 1990-08-28 1992-03-27 우찌야마 마사요 발포성형체의 제조방법 및 그 방법에 사용되는 열가소성 수지 발포입자 충전장치
US5310513A (en) * 1990-09-17 1994-05-10 Furukawa Electric Co., Ltd. Method for manufacturing a cross-linked thermoplastic resin foam
GB9603969D0 (en) * 1996-02-24 1996-04-24 Rotec Chemicals Ltd Rotational moulding
US5786394A (en) * 1996-12-04 1998-07-28 Lear Corporation Durable, energy-absorptive EPP/PUR structural composites
US6261490B1 (en) 1998-09-15 2001-07-17 Rotec Chemicals Limited Rotational moulding
WO2009153345A2 (en) * 2008-06-20 2009-12-23 Golden Trade S.R.L. Process for decolorizing and/or aging fabrics, and decolorized and/or aged fabrics obtainable therefrom
JP6450017B2 (ja) * 2015-03-05 2019-01-09 ヒューレット−パッカード デベロップメント カンパニー エル．ピー．Ｈｅｗｌｅｔｔ‐Ｐａｃｋａｒｄ Ｄｅｖｅｌｏｐｍｅｎｔ Ｃｏｍｐａｎｙ， Ｌ．Ｐ． ３次元物体の生成
US10654984B2 (en) 2016-12-29 2020-05-19 Sekisui Voltek, Llc Heterogeneous foam composition and method
CN111906985B (zh) * 2019-05-08 2023-03-10 欧特捷实业股份有限公司 多段发泡的方法

Also Published As

Publication number Publication date
US3819784A (en) 1974-06-25
GB1321341A (en) 1973-06-27
DE2150072A1 (de) 1972-04-13
FR2109776A5 (de) 1972-05-26
DE2150072C3 (de) 1978-04-20
DE2150072B2 (de) 1974-01-17
JPS4922547B1 (de) 1974-06-10

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