GB1192333A - Process for the preparation of Closed Cellular Shaped Products of Olefin Polymers - Google Patents

Process for the preparation of Closed Cellular Shaped Products of Olefin Polymers

Info

Publication number
GB1192333A
GB1192333A GB1918768A GB1918768A GB1192333A GB 1192333 A GB1192333 A GB 1192333A GB 1918768 A GB1918768 A GB 1918768A GB 1918768 A GB1918768 A GB 1918768A GB 1192333 A GB1192333 A GB 1192333A
Authority
GB
United Kingdom
Prior art keywords
polymer
blend
extruder
temperature
foaming agent
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
GB1918768A
Other languages
English (en)
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.)
Japan Gas Chemical Co Inc
Original Assignee
Japan Gas Chemical Co Inc
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 Japan Gas Chemical Co Inc filed Critical Japan Gas Chemical Co Inc
Publication of GB1192333A publication Critical patent/GB1192333A/en
Expired 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
    • C08J9/04—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
    • C08J9/14—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 organic
    • 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
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • 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

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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB1918768A 1967-04-24 1968-04-23 Process for the preparation of Closed Cellular Shaped Products of Olefin Polymers Expired GB1192333A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2616767 1967-04-24
JP7056967 1967-11-02
JP8377067 1967-12-27
JP8422467 1967-12-28

Publications (1)

Publication Number Publication Date
GB1192333A true GB1192333A (en) 1970-05-20

Family

ID=27458442

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1918768A Expired GB1192333A (en) 1967-04-24 1968-04-23 Process for the preparation of Closed Cellular Shaped Products of Olefin Polymers

Country Status (3)

Country Link
DE (1) DE1778373C3 (ko)
FR (1) FR1574796A (ko)
GB (1) GB1192333A (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019021A1 (en) * 1979-05-16 1980-11-26 The Dow Chemical Company Process for continuously manufacturing polyolefin resin foam
GB2122620A (en) * 1982-06-30 1984-01-18 Cosden Technology Process and apparatus for manufacturing flexible foamed articles
EP0584276A1 (en) † 1991-04-30 1994-03-02 Dow Chemical Co PERFORATED PLASTIC FOAM AND ITS PRODUCTION PROCESS.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500463A1 (ko) * 1981-02-24 1982-08-27 Solvay
DE3422425A1 (de) * 1984-06-16 1985-12-19 Storopack Hans Reichenecker GmbH & Co, 7430 Metzingen Verfahren zur herstellung schuettfaehiger kugelsegmentfoermiger packmaterialkoerper aus kunststoff
EP0377650A1 (en) * 1987-07-29 1990-07-18 Massachusetts Institute Of Technology A method of producing microcellular foams and microcellular foams of semi-crystalline polymeric materials
CN116589787A (zh) * 2023-03-24 2023-08-15 重庆长安汽车股份有限公司 发泡聚丙烯板材及其制备方法、轮罩衬板及其制备方法、车辆

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019021A1 (en) * 1979-05-16 1980-11-26 The Dow Chemical Company Process for continuously manufacturing polyolefin resin foam
GB2122620A (en) * 1982-06-30 1984-01-18 Cosden Technology Process and apparatus for manufacturing flexible foamed articles
EP0584276A1 (en) † 1991-04-30 1994-03-02 Dow Chemical Co PERFORATED PLASTIC FOAM AND ITS PRODUCTION PROCESS.
EP0584276B2 (en) † 1991-04-30 1999-08-25 The Dow Chemical Company Perforated plastic foam and process for making

Also Published As

Publication number Publication date
FR1574796A (ko) 1969-06-09
DE1778373B2 (de) 1977-04-14
DE1778373A1 (de) 1972-08-31
DE1778373C3 (de) 1980-01-17

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years