CA2104961C - Nondistorted polyethylene foam structures and process for making - Google Patents

Nondistorted polyethylene foam structures and process for making Download PDF

Info

Publication number
CA2104961C
CA2104961C CA002104961A CA2104961A CA2104961C CA 2104961 C CA2104961 C CA 2104961C CA 002104961 A CA002104961 A CA 002104961A CA 2104961 A CA2104961 A CA 2104961A CA 2104961 C CA2104961 C CA 2104961C
Authority
CA
Canada
Prior art keywords
foam structure
foam
die
cross
strands
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 - Fee Related
Application number
CA002104961A
Other languages
English (en)
French (fr)
Other versions
CA2104961A1 (en
Inventor
Bruce A. Malone
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of CA2104961A1 publication Critical patent/CA2104961A1/en
Application granted granted Critical
Publication of CA2104961C publication Critical patent/CA2104961C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B29C44/468—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length in a plurality of parallel streams which unite during the 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
    • 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

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)
  • Molding Of Porous Articles (AREA)
CA002104961A 1991-03-25 1992-02-21 Nondistorted polyethylene foam structures and process for making Expired - Fee Related CA2104961C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US67400791A 1991-03-25 1991-03-25
US07/674,007 1991-03-25
PCT/US1992/001394 WO1992016363A1 (en) 1991-03-25 1992-02-21 Nondistorted polyolefin foam structures and process for making

Publications (2)

Publication Number Publication Date
CA2104961A1 CA2104961A1 (en) 1992-09-26
CA2104961C true CA2104961C (en) 2002-05-28

Family

ID=24704961

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002104961A Expired - Fee Related CA2104961C (en) 1991-03-25 1992-02-21 Nondistorted polyethylene foam structures and process for making

Country Status (11)

Country Link
EP (1) EP0587581A1 (cg-RX-API-DMAC7.html)
JP (1) JPH06505935A (cg-RX-API-DMAC7.html)
KR (1) KR100195552B1 (cg-RX-API-DMAC7.html)
AU (1) AU1581292A (cg-RX-API-DMAC7.html)
CA (1) CA2104961C (cg-RX-API-DMAC7.html)
FI (1) FI934187L (cg-RX-API-DMAC7.html)
HU (1) HU213639B (cg-RX-API-DMAC7.html)
MX (1) MX9201305A (cg-RX-API-DMAC7.html)
NO (1) NO933415D0 (cg-RX-API-DMAC7.html)
TW (1) TW257774B (cg-RX-API-DMAC7.html)
WO (1) WO1992016363A1 (cg-RX-API-DMAC7.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5527573A (en) * 1991-06-17 1996-06-18 The Dow Chemical Company Extruded closed-cell polypropylene foam
US5567742A (en) * 1992-02-04 1996-10-22 The Dow Chemical Company Dimensionally-stable polypropylene foam expanded with inorganic blowing agents
CN1062280C (zh) * 1994-01-31 2001-02-21 旭化成工业株式会社 挤塑丙烯聚合物树脂泡沫体
DE4422568C1 (de) * 1994-06-28 1996-02-15 Bayer Ag Verfahren und Vorrichtung zur Schaumherstellung mittels unter Druck gelöstem Kohlendioxid
EP0804328B1 (de) * 1994-07-18 2001-10-17 Bayer Ag Verfahren und vorrichtung zur schaumherstellung mittels unter druck gelösten kohlendioxids
AU2927395A (en) * 1994-07-18 1996-02-16 Bayer Aktiengesellschaft Process and device for preparing foam using carbon dioxide dissolved under pressure
US5840778A (en) * 1994-11-28 1998-11-24 Bayer Aktiengesellschaft Process and device for producing foam using carbon dioxide dissolved under pressure
JPH11509146A (ja) * 1995-07-11 1999-08-17 ビーメック グループ リミテッド ポリマーフォームを製造するための装置および方法
DK0922554T3 (da) * 1997-12-08 2003-10-20 Dow Deutschland Inc Flerlagsskum, fremgangsmåde til dets fremstilling og anvendelse heraf
AU2001249141A1 (en) * 2000-03-17 2001-10-03 Dow Global Technologies Inc. Polyolefin foam for sound and thermal insulation
PT1360382E (pt) * 2001-02-02 2007-01-31 Dow Global Technologies Inc Painel de construção com pelo menos dois domínios de painel de diferentes resistências compressivas médias
KR20070121709A (ko) * 2005-03-22 2007-12-27 가부시키가이샤 프라임 폴리머 프로필렌계 수지 압출 발포체 및 프로필렌계 수지 압출발포체의 제조 방법
DE102009028200A1 (de) 2009-08-04 2011-02-17 Evonik Degussa Gmbh Verwendung von Polyolefinen zur Herstellung von Schäumen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1061702A (en) * 1965-03-18 1967-03-15 Monsanto Chemicals Foamed resin insulating materials
US3881984A (en) * 1969-08-07 1975-05-06 Sekisui Plastics Apparatus for preparation of synthetic wood
US3949031A (en) * 1970-08-19 1976-04-06 Fmc Corporation Method for making cellular articles
GB1592960A (en) * 1977-12-24 1981-07-15 Sekisui Plastics Process for producing expanded article of thermoplastic resin
US4753841A (en) * 1985-11-19 1988-06-28 Noel, Marquet & Cie. S.A. Air-borne and footstep noise insulating panels of synthetic resin foam for floating plaster floors or floating wooden floors

Also Published As

Publication number Publication date
FI934187A0 (fi) 1993-09-24
WO1992016363A1 (en) 1992-10-01
HUT65896A (en) 1994-07-28
EP0587581A4 (en) 1993-12-16
NO933415L (no) 1993-09-24
MX9201305A (es) 1992-10-01
FI934187A7 (fi) 1993-09-24
KR100195552B1 (ko) 1999-06-15
CA2104961A1 (en) 1992-09-26
NO933415D0 (no) 1993-09-24
EP0587581A1 (en) 1994-03-23
TW257774B (cg-RX-API-DMAC7.html) 1995-09-21
AU1581292A (en) 1992-10-21
FI934187L (fi) 1993-09-24
JPH06505935A (ja) 1994-07-07
HU213639B (en) 1997-08-28

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