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 (enrdf_load_html_response)
JP (1) JPH06505935A (enrdf_load_html_response)
KR (1) KR100195552B1 (enrdf_load_html_response)
AU (1) AU1581292A (enrdf_load_html_response)
CA (1) CA2104961C (enrdf_load_html_response)
FI (1) FI934187L (enrdf_load_html_response)
HU (1) HU213639B (enrdf_load_html_response)
MX (1) MX9201305A (enrdf_load_html_response)
NO (1) NO933415L (enrdf_load_html_response)
TW (1) TW257774B (enrdf_load_html_response)
WO (1) WO1992016363A1 (enrdf_load_html_response)

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
CA2172394C (en) * 1994-01-31 1998-08-04 Yoshihito Fukasawa Extruded propylene polymer resin foam
DE4422568C1 (de) * 1994-06-28 1996-02-15 Bayer Ag Verfahren und Vorrichtung zur Schaumherstellung mittels unter Druck gelöstem Kohlendioxid
PT804328E (pt) * 1994-07-18 2002-04-29 Hennecke Gmbh Processo e dispositivo para a producao de espuma por meio de um soluto de dioxido de carbono a pressao
DE59503878D1 (de) * 1994-07-18 1998-11-12 Hennecke Gmbh Verfahren und vorrichtung zur schaumherstellung mittels unter druck gelösten kohlendioxids
MX9703891A (es) * 1994-11-28 1997-08-30 Bayer Ag Procedimiento y dispositivo para la produccion de espuma utilizando dioxido de carbon disuelto bajo presion.
HUP9901451A3 (en) * 1995-07-11 1999-11-29 Beamech Group Ltd Apparatus and process for producing polymeric foam
ATE243612T1 (de) * 1997-12-08 2003-07-15 Dow Deutschland Inc Mehrschichtiger schaum, verfahren zu seiner herstellung und verwendung
CN100417679C (zh) * 2000-03-17 2008-09-10 陶氏环球技术公司 用于隔音和隔热应用的聚烯烃泡沫
MXPA03006908A (es) * 2001-02-02 2004-05-05 Dow Global Technologies Inc Panel de construccion teniendo al menos dos dominios de panel de diferente fuerza de compresion promedio.
EP1862495A4 (en) * 2005-03-22 2011-05-18 Prime Polymer Co Ltd EXTRUDED PROPYLENE RESIN FOAM AND MANUFACTURING METHOD THEREFOR
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
LU86659A1 (de) * 1985-11-19 1987-05-04 Marquet & Cie Noel Luft- und trittschalldaemmplatte aus schaumkunststoff fuer schwimmende estriche oder schwimmende holzfussboeden

Also Published As

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

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