DE3569745D1 - Improved process for producing dimensionally stable polyolefin foams using environmentally acceptable blowing agent systems - Google Patents

Improved process for producing dimensionally stable polyolefin foams using environmentally acceptable blowing agent systems

Info

Publication number
DE3569745D1
DE3569745D1 DE8585100656T DE3569745T DE3569745D1 DE 3569745 D1 DE3569745 D1 DE 3569745D1 DE 8585100656 T DE8585100656 T DE 8585100656T DE 3569745 T DE3569745 T DE 3569745T DE 3569745 D1 DE3569745 D1 DE 3569745D1
Authority
DE
Germany
Prior art keywords
blowing agent
dimensionally stable
improved process
environmentally acceptable
agent systems
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
DE8585100656T
Other languages
German (de)
English (en)
Inventor
Chung Poo Park
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
Application granted granted Critical
Publication of DE3569745D1 publication Critical patent/DE3569745D1/de
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
    • C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
    • 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
    • C08J9/143—Halogen containing compounds
    • C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
    • 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
    • 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
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/91—Plural blowing agents for producing nonpolyurethane cellular products

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)
DE8585100656T 1984-01-31 1985-01-23 Improved process for producing dimensionally stable polyolefin foams using environmentally acceptable blowing agent systems Expired DE3569745D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/575,627 US4528300A (en) 1984-01-31 1984-01-31 Process for producing dimensionally stable polyolefin foams using environmentally acceptable blowing agent systems

Publications (1)

Publication Number Publication Date
DE3569745D1 true DE3569745D1 (en) 1989-06-01

Family

ID=24301076

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585100656T Expired DE3569745D1 (en) 1984-01-31 1985-01-23 Improved process for producing dimensionally stable polyolefin foams using environmentally acceptable blowing agent systems

Country Status (6)

Country Link
US (1) US4528300A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0152787B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS60243131A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU555547B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1228700A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3569745D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU578020B2 (en) * 1984-04-26 1988-10-13 Sekisui Kagaku Kogyo Kabushiki Kaisha Crosslinkable and foamable polyolefin composition
US4694026A (en) * 1985-05-24 1987-09-15 The Dow Chemical Company Polyolefin foam compositions having improved dimensional stability utilizing certain unsaturated nitrogen-containing compounds and process for making same
US4663361A (en) * 1985-12-24 1987-05-05 The Dow Chemical Company Expandable polyolefin compositions and preparation process utilizing isobutane blowing agent
US4694027A (en) * 1985-12-24 1987-09-15 The Dow Chemical Company Expandable polyolefin compositions and preparation process utilizing isobutane blowing agent
US5026736A (en) * 1987-02-24 1991-06-25 Astro-Valcour, Inc. Moldable shrunken thermoplastic polymer foam beads
JPH02501660A (ja) * 1988-01-28 1990-06-07 ザ　ダウ　ケミカル　カンパニー 膨張性の及び膨張したプラスチック材料組成物ならびにこのような膨張した組成物を成型形体で使用する金属鋳造物の鋳造法
US4923654A (en) * 1988-06-09 1990-05-08 Dolco Packaging Corporation Blowing agent for expandable polymeric foams
MX171962B (es) * 1988-08-30 1993-11-25 Du Pont Proceso mejorado para hilado rapido de cordones de fibrilla-pelicula flexifilamentarios
US5032326A (en) * 1988-08-31 1991-07-16 E. I. Du Pont De Nemours And Company Flash-spinning of polymeric plexifilaments
US5120481A (en) * 1989-02-28 1992-06-09 U.C. Industries, Inc. Process for preparing extruded foam bodies
US5059376A (en) * 1989-04-20 1991-10-22 Astro-Valcour, Incorporated Methods for rapid purging of blowing agents from foamed polymer products
EP0418603A3 (en) * 1989-08-28 1991-07-17 Daikin Industries, Limited Blowing compositions
DE3930594A1 (de) * 1989-09-13 1991-03-14 Gefinex Jackon Gmbh Herstellungsverfahren fuer schaumkoerper
US4956395A (en) * 1990-01-18 1990-09-11 Amoco Corporation Styrenic foam blowing agent composition
US5162123A (en) * 1991-05-10 1992-11-10 Dolco Packaging Corp. Spring-oriented rotary shear key for use in a mold
US5147896A (en) * 1991-05-20 1992-09-15 E. I. Du Pont De Nemours And Company Foam blowing agent composition and process for producing foams
JPH05222234A (ja) * 1992-02-14 1993-08-31 Daikin Ind Ltd 発泡剤組成物
US5194325A (en) * 1992-02-25 1993-03-16 Renosol Corporation Molded polyurethane foam system utilizing HFC blowing agents
US5225451A (en) * 1992-08-27 1993-07-06 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
US5290822A (en) * 1992-08-27 1994-03-01 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
WO1994025255A1 (en) * 1993-04-30 1994-11-10 The Dow Chemical Company Ethylene polymer foams blown with 1,1-difluoroethane and method of making same
US5411684A (en) * 1993-04-30 1995-05-02 The Dow Chemical Company Process for making large cross-section olefinic polymer foam structure blown with 1, 1-difluoroethane
US5405883A (en) * 1993-07-12 1995-04-11 The Dow Chemical Company Ethylene polymer foams blown with isobutane and 1,1-difluoroethane and a process for making
US5411683B1 (en) * 1993-08-20 2000-08-01 Sweetheart Cup Co Method for making thermoplastic foam with combined 1,1-difluoroethane and co2 blowing agent
US5416129A (en) * 1994-05-10 1995-05-16 The Dow Chemical Company Closed cell, low density ethylenic polymer foam produced with inorganic halogen-free blowing agents
US6225363B1 (en) 1998-04-07 2001-05-01 Pactiv Corporation Foamable composition using high density polyethylene
US6114025A (en) * 1998-06-15 2000-09-05 Tenneco Protective Packaging, Inc. Foam and film/foam laminates using linear low density polyethylene
US7045556B2 (en) * 2002-07-02 2006-05-16 Pactiv Corporation Polyolefin foams made with isopentane-based blowing agents
GB2395948A (en) * 2002-12-06 2004-06-09 Pactiv Europ B V Polyolefin foam
US7166248B2 (en) * 2003-01-03 2007-01-23 Pactiv Corporation Reduced VOC emission alkenyl aromatic polymer foams and processes

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3062729A (en) * 1961-04-10 1962-11-06 Dow Chemical Co Foamed articles of ethylene-propylene copolymers and method of making
US3327031A (en) * 1964-01-22 1967-06-20 Du Pont Process for the extrusion of improved closed-cell foams
US3379802A (en) * 1964-11-04 1968-04-23 Dow Chemical Co Foamed olefin copolymer blends
US3549470A (en) * 1967-01-03 1970-12-22 Celanese Corp Fibrillated yarn carpet backing
US3808300A (en) * 1967-04-24 1974-04-30 Gas Chemical Co Inc Process for the preparation of closed-cellular shaped products of olefin polymers using a mixture of a citric acid salt and a carbonate or bicarbonate as the nucleation agent
GB1210626A (en) * 1968-02-19 1970-10-28 Haveg Industries Inc Improvements in or relating to extrusion of foams of olefin polymers
US3639304A (en) * 1968-06-27 1972-02-01 Dow Chemical Co Self-extinguishing polyethylene foams comprising an antimony compound a halogen-containing aliphatic or cyclo-aliphatic compound and a bromine-containing aromatic or acyclic compound
US3657165A (en) * 1968-10-11 1972-04-18 Sekisui Chemical Co Ltd Process for preparation of ethylenic resin foam
US3711430A (en) * 1971-02-01 1973-01-16 Dow Chemical Co Expandable copolymers of alpha-olefins and alpha,beta-monoethylenically unsaturated carboxylic acids
US3874965A (en) * 1972-05-01 1975-04-01 Celanese Corp Fibrillated yarn carpet backing
CA1086450A (en) * 1976-02-03 1980-09-23 Kyung W. Suh Styrene polymer foam and preparation thereof
US4101467A (en) * 1976-02-27 1978-07-18 The Dow Chemical Company Soft ethylenic polymer foams
JPS55125128A (en) * 1979-03-15 1980-09-26 Dow Chemical Co Low density extrusion foam of ethylenic polymer
JPS56125436A (en) * 1980-03-10 1981-10-01 Asahi Chem Ind Co Ltd Foaming synthetic resin composition
JPS56127638A (en) * 1980-03-12 1981-10-06 Asahi Chem Ind Co Ltd Synthetic resin composition for expansion
US4347329A (en) * 1980-05-29 1982-08-31 The Dow Chemical Company Expandable polyolefin compositions and polyolefin foam preparation process
US4368276A (en) * 1980-05-29 1983-01-11 The Dow Chemical Company Novel olefin polymer compositions and foamed articles prepared therefrom having improved elevated temperature dimensional stability
US4289857A (en) * 1980-07-31 1981-09-15 Asahi-Dow Limited Foamable polymeric compositions
US4422877A (en) * 1980-10-28 1983-12-27 Restech Research Limited Partnership Synthetic polymer-propellant compositions forming cold foamed structures having a temperature at least 30° C. below ambient temperature and containing open and/or closed cells
US4395510A (en) * 1982-05-06 1983-07-26 The Dow Chemical Co. Novel olefin polymer compositions and foamed articles prepared therefrom having improved elevated temperature dimensional stability

Also Published As

Publication number Publication date
EP0152787A1 (en) 1985-08-28
EP0152787B1 (en) 1989-04-26
JPH0329101B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-04-23
AU3804385A (en) 1985-08-08
US4528300A (en) 1985-07-09
JPS60243131A (ja) 1985-12-03
AU555547B2 (en) 1986-10-02
CA1228700A (en) 1987-10-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee