DE69210997D1 - Perforierter plastikschaum und sein herstellungsverfahren - Google Patents

Perforierter plastikschaum und sein herstellungsverfahren

Info

Publication number
DE69210997D1
DE69210997D1 DE69210997T DE69210997T DE69210997D1 DE 69210997 D1 DE69210997 D1 DE 69210997D1 DE 69210997 T DE69210997 T DE 69210997T DE 69210997 T DE69210997 T DE 69210997T DE 69210997 D1 DE69210997 D1 DE 69210997D1
Authority
DE
Germany
Prior art keywords
foam
plastic foam
production process
blowing agent
perforated plastic
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 - Lifetime
Application number
DE69210997T
Other languages
English (en)
Other versions
DE69210997T3 (de
DE69210997T2 (de
Inventor
Paul Kolosowski
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24786315&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69210997(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of DE69210997D1 publication Critical patent/DE69210997D1/de
Publication of DE69210997T2 publication Critical patent/DE69210997T2/de
Publication of DE69210997T3 publication Critical patent/DE69210997T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5663—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching by perforating the foam, e.g. to open the cells
    • 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
    • B29C44/3402—Details of processes or apparatus for reducing environmental damage or for working-up compositions comprising inert blowing agents or biodegradable components
    • 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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5609—Purging of residual gas, e.g. noxious or explosive blowing agents
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0065—Permeability to gases
    • 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
    • Y10S264/13—Cell size and distribution control while molding a foam
DE69210997T 1991-04-30 1992-03-24 Perforierter plastikschaum und sein herstellungsverfahren Expired - Lifetime DE69210997T3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69383591A 1991-04-30 1991-04-30
PCT/US1992/002344 WO1992019439A1 (en) 1991-04-30 1992-03-24 Perforated plastic foam and process for making

Publications (3)

Publication Number Publication Date
DE69210997D1 true DE69210997D1 (de) 1996-06-27
DE69210997T2 DE69210997T2 (de) 1996-09-26
DE69210997T3 DE69210997T3 (de) 1999-12-16

Family

ID=24786315

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69210997T Expired - Lifetime DE69210997T3 (de) 1991-04-30 1992-03-24 Perforierter plastikschaum und sein herstellungsverfahren

Country Status (16)

Country Link
US (1) US5424016A (de)
EP (1) EP0584276B2 (de)
JP (1) JP3431141B2 (de)
KR (1) KR100190474B1 (de)
AT (1) ATE138310T1 (de)
AU (1) AU2182992A (de)
CA (1) CA2105870C (de)
DE (1) DE69210997T3 (de)
DK (1) DK0584276T4 (de)
ES (1) ES2087541T5 (de)
FI (1) FI934803A0 (de)
GR (2) GR3020015T3 (de)
HU (1) HU217800B (de)
MX (1) MX9201987A (de)
NO (1) NO933917D0 (de)
WO (1) WO1992019439A1 (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5585058A (en) * 1991-04-30 1996-12-17 The Dow Chemical Company Method for providing accelerated release of a blowing agent from a plastic foam
DE9217016U1 (de) * 1992-12-15 1993-04-15 Scriptoria N.V., Wellen, Be
US5776390A (en) * 1992-12-15 1998-07-07 Scriptoria N.V. Method of forming boards of foam polyolefin using needle punching to release blowing agent
DK0602262T3 (da) * 1992-12-15 1997-09-01 Scriptoria Nv Baneformede skumplastplader af polyolefiner
GB9302013D0 (en) * 1993-02-02 1993-03-17 Print Lamination Plastics Limi A method of treatment of a flammable element and a fire-resistant element so treated
WO1997022455A1 (en) * 1995-12-20 1997-06-26 The Dow Chemical Company Fast cure of high density ethylene polymer foams
CA2244739A1 (en) * 1996-02-01 1997-08-07 Dennis A. Knaus Stability control agent composition for polyolefin foam
US20030211280A1 (en) 1997-02-28 2003-11-13 Shaw Industries, Inc. Carpet, carpet backings and methods
WO1998038376A1 (en) 1997-02-28 1998-09-03 Shaw Industries, Inc. Carpet, carpet backings and methods
US7338698B1 (en) 1997-02-28 2008-03-04 Columbia Insurance Company Homogeneously branched ethylene polymer carpet, carpet backing and method for making same
KR20010041898A (ko) * 1998-03-16 2001-05-25 그래햄 이. 테일러 개방-셀 발포체 및 그의 제조 방법
US6225363B1 (en) 1998-04-07 2001-05-01 Pactiv Corporation Foamable composition using high density polyethylene
US6720362B1 (en) 1998-09-17 2004-04-13 The Dow Chemical Company Perforated foams
US6231795B1 (en) * 1998-12-04 2001-05-15 The Dow Chemical Company Soft and flexible foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers
US6187232B1 (en) 1998-12-04 2001-02-13 The Dow Chemical Company Acoustical insulation foams
US6207254B1 (en) 1999-01-28 2001-03-27 Sealed Air Corporation Partially perforated foam
US6174471B1 (en) 1999-03-15 2001-01-16 The Dow Chemical Company Open-cell foam and method of making
ATE266698T1 (de) 1999-06-17 2004-05-15 Dow Global Technologies Inc Polymerschaumstoff und verfahren zur herstellung desselben mittels ölenthaltendem furnaceruss als isolationsverbesserer
US6541105B1 (en) 1999-09-16 2003-04-01 Dow Global Technologies Inc. Acoustical open-cell polylefins and process for making
DE19962865C1 (de) * 1999-12-24 2001-02-15 Bayer Ag Polymerschaum-Formteil mit erhöhtem Schallabsorptionsvermögen
US6432512B1 (en) 2000-02-01 2002-08-13 Sealed Air Corporation (Us) Foam plank laminate
US6160029A (en) * 2000-03-08 2000-12-12 The Dow Chemical Company Olefin polymer and α-olefin/vinyl or α-olefin/vinylidene interpolymer blend foams
AU3696601A (en) * 2000-03-17 2001-10-03 Dow Chemical Co Preparation of a macrocellular acoustic foam
MXPA02008937A (es) 2000-03-17 2003-04-25 Dow Global Technologies Inc Espuma de poliolefina macrocelular que tiene una temperatura de servicio elevada para aplicaciones acusticas.
KR100686487B1 (ko) * 2000-03-17 2007-02-23 다우 글로벌 테크놀로지스 인크. 단열 성능이 개선된 흡음성 중합체 발포체 및 이의 제조방법
WO2001070861A2 (en) 2000-03-17 2001-09-27 Dow Global Technologies Inc. Polyolefin foam for sound and thermal insulation
US6545094B2 (en) 2001-03-09 2003-04-08 The Dow Chemical Company Blends of ethylenic polymers with improved modulus and melt strength and articles fabricated from these blends
US7144925B2 (en) 2002-05-09 2006-12-05 Dow Global Technologies Inc. Fire resistance acoustic foam
US20050239975A1 (en) * 2002-05-30 2005-10-27 Joseph Gan Halogen free ignition resistant thermoplastic resin compositions
US8557884B2 (en) * 2002-05-31 2013-10-15 Owens Corning Intellectual Capital, Llc To enhance the thermal insulation of polymeric foam by reducing cell anisotropic ratio and the method for production thereof
US20030225172A1 (en) * 2002-05-31 2003-12-04 Miller Larry M. To enhance the thermal insulation of polymeric foam by reducing cell anisotropic ratio and the method for production thereof
US7951449B2 (en) 2002-06-27 2011-05-31 Wenguang Ma Polyester core materials and structural sandwich composites thereof
US7045556B2 (en) * 2002-07-02 2006-05-16 Pactiv Corporation Polyolefin foams made with isopentane-based blowing agents
US7166248B2 (en) * 2003-01-03 2007-01-23 Pactiv Corporation Reduced VOC emission alkenyl aromatic polymer foams and processes
AU2003230910A1 (en) * 2003-02-06 2004-09-06 Dow Global Technologies Inc. Halogen free ignition resistant thermoplastic resin compositions
JPWO2005039863A1 (ja) * 2003-10-23 2007-11-22 旭化成ケミカルズ株式会社 オレフィン系樹脂発泡体の製造方法
US20050112320A1 (en) 2003-11-20 2005-05-26 Wright Jeffery J. Carpet structure with plastomeric foam backing
US20080095432A1 (en) * 2004-01-09 2008-04-24 Brenner John W Polymeric Foam with Irrecgular Surfaces Nad Preparation Thereof
ITRM20040499A1 (it) * 2004-10-13 2005-01-13 Polyeuro S P A Elemento per l'isolamento termico di spazi abitativi ed edifici in genere.
WO2007081373A1 (en) * 2006-01-10 2007-07-19 Dow Global Technologies Inc. Improved foams for vehicular energy absorbance
EP2164690B1 (de) * 2007-06-04 2012-08-29 Dow Global Technologies LLC Energieabsorbierendes element
CN102105283A (zh) * 2008-07-24 2011-06-22 陶氏环球技术公司 用于制造成形泡沫复合材料制品的方法
EP2379300A2 (de) * 2008-12-17 2011-10-26 Dow Global Technologies LLC Kontinuierlicher prozess zur herstellung eines schaumstoffformkörpers
WO2010093524A2 (en) 2009-02-13 2010-08-19 Dow Global Technologies Inc. Method for manufacturing a plurality of shaped foam articles
WO2010098932A1 (en) 2009-02-25 2010-09-02 Dow Global Technologies Inc. PHYLON PROCESSES OF MAKING FOAM ARTICLES COMPRISING ETHYLENE/α-OLEFINS BLOCK INTERPOLYMERS
EP2451623A2 (de) 2009-07-08 2012-05-16 Dow Global Technologies LLC Verbessertes verfahren zur herstellung eines formschaumstoffartikels
US20110091688A1 (en) 2009-10-16 2011-04-21 Maurer Myron J Process for producing a shaped foam article
US20110293914A1 (en) 2010-05-27 2011-12-01 Maurer Myron J Shaped foam composite article
EP2585267A1 (de) 2010-06-23 2013-05-01 Dow Global Technologies LLC Verfahren zum prägen eines formschaumstoffartikels
US20120040131A1 (en) * 2010-08-10 2012-02-16 Speer Dwaine D Composite Panel Having Perforated Foam Core
WO2012058177A1 (en) 2010-10-29 2012-05-03 Dow Global Technologies Llc Method of forming a shaped foam laminate article
WO2013062760A1 (en) 2011-10-28 2013-05-02 Dow Global Technologies Llc Process to form a shaped foam article with reduced bow
JP6128981B2 (ja) * 2013-06-18 2017-05-17 株式会社ジェイエスピー ポリオレフィン系樹脂発泡シートの製造方法及びポリオレフィン系樹脂発泡シートロール状物の製造方法
CN104774356B (zh) * 2014-01-14 2020-10-30 积水化学工业株式会社 发泡体及发泡体的制造方法
EP3390475A1 (de) 2015-12-15 2018-10-24 Dow Global Technologies, LLC Vernetzte schaumstoffe aus interpolymeren von ethylen/?-olefinen
EP3430066B1 (de) 2016-03-14 2023-02-22 Dow Global Technologies LLC Verfahren zur herstellung geschäumter gegenstände aus ethylen/alpha-olefin-interpolymeren

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396616A (en) * 1966-05-16 1968-08-13 Dow Chemical Co Method and apparatus for perforating thermoplastic foams
GB1192333A (en) † 1967-04-24 1970-05-20 Japan Gas Chemical Co Process for the preparation of Closed Cellular Shaped Products of Olefin Polymers
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
US3644230A (en) † 1968-02-19 1972-02-22 Haskon Inc Extrusion process for polyolefin foam
GB1210626A (en) † 1968-02-19 1970-10-28 Haveg Industries Inc Improvements in or relating to extrusion of foams of olefin polymers
CH507799A (de) * 1969-04-25 1971-05-31 Breveteam Sa Schaumstoffkörper und Verfahren zu seiner Herstellung
US3573152A (en) * 1969-07-29 1971-03-30 Foster Grant Co Inc Thermoplastic elongated cellular products
US3755208A (en) † 1970-10-23 1973-08-28 Haskon Inc Avoidance of cell collapse in an extrusion process for a copolymer based on a low molecular weight {60 -olefin and polar vinyl monomer
CA1041261A (en) * 1972-12-08 1978-10-31 Ikuya Shimano Method for producing receptacles from thermoplastic resin foam sheet
US3966526A (en) * 1973-03-26 1976-06-29 Detroit Gasket & Manufacturing Company Process for making resilient laminar panel
US3867498A (en) * 1973-09-10 1975-02-18 Pittsburgh Corning Corp Method for opening the cells of cellular clay blocks
US4017428A (en) † 1975-06-10 1977-04-12 The United States Of America As Represented By The Secretary Of The Army Abrasion resistant, non-discoloring polyurethane foams and method of making
JPS546593A (en) * 1977-06-17 1979-01-18 Nippon Bunko Kogyo Kk Fluorescence polarization measuring device
US4110274A (en) † 1977-10-17 1978-08-29 The Dow Chemical Company Method for making crosslinked resin foams from an ethylenically unsaturated dicarboxylic acid anhydride and a polyisocyanate
US4214054A (en) † 1977-10-21 1980-07-22 Asahi-Dow Limited Expanded olefin polymer
US4183984A (en) * 1977-10-27 1980-01-15 Conwed Corporation Oil sorbent material made by opening cells of a closed cell foam
JPS5481370A (en) † 1977-12-13 1979-06-28 Japan Styrene Paper Corp Method of making polyolefin foam
JPS568237A (en) * 1979-06-30 1981-01-28 Kazuyoshi Oshita Preparation of porous plate having non-interconnecting cells with open pore
JPS56125436A (en) † 1980-03-10 1981-10-01 Asahi Chem Ind Co Ltd Foaming synthetic resin composition
JPS56125437A (en) † 1980-03-10 1981-10-01 Asahi Chem Ind Co Ltd Foaming synthetic resin composition
US4340129A (en) * 1980-05-01 1982-07-20 Cabot Corporation Acoustical laminate construction and attenuated systems comprising same
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
GB2102808B (en) * 1981-07-21 1984-08-01 Ici Plc Perforated foamed olefine polymer films
JPS5943492B2 (ja) * 1981-08-05 1984-10-22 日本スチレンペ−パ−株式会社 ポリプロピレン系樹脂発泡成型体の製造方法
US4387169A (en) † 1981-10-01 1983-06-07 The Dow Chemical Co. Low density, extruded ethylenic polymer foams
DE3148710C2 (de) † 1981-12-09 1986-02-27 Fa. Carl Freudenberg, 6940 Weinheim Schaumstoffbahn
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
DE3472565D1 (en) † 1983-03-23 1988-08-11 Chuo Kagaku Co Production of resin foam by aqueous medium
US4485193A (en) * 1983-05-10 1984-11-27 The Dow Chemical Company Expandable synthetic resinous thermoplastic particles, method for the preparation thereof and the application therefor
US4649001A (en) † 1984-04-17 1987-03-10 Japan Styrene Paper Corporation Process for producing polyethylene extruded foams
JPS6168013A (ja) * 1984-09-10 1986-04-08 ピジヨン株式会社 果汁絞り器
US4720510A (en) † 1984-05-25 1988-01-19 Bp Chemicals Limited Process for producing phenolic foams
IT1187665B (it) † 1985-05-15 1987-12-23 Montedipe Spa Articoli modificati dell'etilene con il vinilacetato e/o con esteri alchilici dell'acudo acrilico o metacrilico
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
EP0256088A4 (de) † 1986-01-22 1988-04-27 Dow Chemical Co Aufschäumbare polyolefinzusammensetzungen und herstellungsverfahren von polyolefinschaum.
JPS6322631A (ja) * 1986-07-16 1988-01-30 Kinugawa Rubber Ind Co Ltd 自動車用装飾モ−ルの製造方法
US4824720A (en) * 1988-02-11 1989-04-25 The Dow Chemical Company Coalesced polyolefin foam having exceptional cushioning properties
US4931484A (en) * 1988-10-13 1990-06-05 Applied Extrusion Technologies, Inc. Extruded ethylenic polymer foam containing both open and closed cells
US5059631A (en) * 1989-06-14 1991-10-22 Applied Extrusion Technologies, Inc. Extruded ethylenic polymer foam containing both open and closed cells
US5059376A (en) * 1989-04-20 1991-10-22 Astro-Valcour, Incorporated Methods for rapid purging of blowing agents from foamed polymer products
US5066531A (en) * 1989-09-05 1991-11-19 Ametek Variable thickness foam plank
US4956394A (en) † 1989-12-12 1990-09-11 Thermal Products International Closed cell phenolic foam containing alkyl glucosides
US5124097A (en) * 1991-02-08 1992-06-23 The Dow Chemical Company Method of providing closed-cell polyolefin foam having reduced blowing agent content to the end user
US5225451A (en) * 1992-08-27 1993-07-06 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same

Also Published As

Publication number Publication date
HU217800B (hu) 2000-04-28
FI934803A (fi) 1993-10-29
DK0584276T3 (da) 1996-10-07
HUT65825A (en) 1994-07-28
NO933917L (no) 1993-10-29
JPH06507129A (ja) 1994-08-11
EP0584276B2 (de) 1999-08-25
WO1992019439A1 (en) 1992-11-12
EP0584276A1 (de) 1994-03-02
ES2087541T3 (es) 1996-07-16
KR100190474B1 (ko) 1999-06-01
EP0584276A4 (de) 1993-12-20
GR3020015T3 (en) 1996-08-31
ATE138310T1 (de) 1996-06-15
DE69210997T3 (de) 1999-12-16
GR3031736T3 (en) 2000-02-29
JP3431141B2 (ja) 2003-07-28
DE69210997T2 (de) 1996-09-26
CA2105870C (en) 2002-09-17
US5424016A (en) 1995-06-13
CA2105870A1 (en) 1992-10-31
MX9201987A (es) 1992-11-01
NO933917D0 (no) 1993-10-29
EP0584276B1 (de) 1996-05-22
FI934803A0 (fi) 1993-10-29
AU2182992A (en) 1992-12-21
DK0584276T4 (da) 2000-03-27
ES2087541T5 (es) 1999-10-16

Similar Documents

Publication Publication Date Title
ATE138310T1 (de) Perforierter plastikschaum und sein herstellungsverfahren
MX9603853A (es) Un metodo y un aparato para formar articulos estructurales.
DE69716126D1 (de) Anorganisches, poröses material und verfahren zu dessen herstellung
ES439232A1 (es) Procedimiento para moldear articulos termoplasticos de espu-ma.
GB2288182B (en) Polyisocyanurate foams made with alternative blowing agents,a process and a catalyst for the production thereof
DE59704878D1 (de) Verfahren zur stabilisierung von sinterschaum und zur herstellung von offenzelligen sinterschaumteilen
ATE294211T1 (de) Verfahren zur herstellung von extrudiertem schaumstoff
BR9105677A (pt) Processo para a separacao criogenica de ar para a producao de oxigenio e nitrogenio de media pressao
DE3172923D1 (en) Expandable styrene polymer particles, a method of producing the particles and foamed styrene polymer articles obtained from the particles
DK0555568T3 (da) Fremgangsmåde til fremstilling af et skummateriale
NO178034C (no) Fremgangsmåte for fremstilling av et skumprodukt fra polystyren, et poreregulerende stoff og et esemiddelsystem, samt en ekstruderanordning for utförelse av fremgangsmåten
ATE56394T1 (de) Geschlossener kreisprozess zur herstellung von expandiertem polystyrol-schaumstoff.
IE39330L (en) Wall panels.
DE59601220D1 (de) Leichtmauermörtel und Verfahren zu seiner Herstellung
GB2151232B (en) Producing polyester foams using borohydride as blowing agent
MX9300762A (es) Sujetador de espuma y metodo para su fabricacion.
JPS5688229A (en) Forming method of fluorescent material film
ES8606066A1 (es) Metodo de fabricacion de material alveolar polimerico
DK1173503T3 (da) Fremgangsmåde til fremstilling af et opskumbart plademateriale
GB864739A (en) Improvements in or relating to the manufacture of hollow articles from thermoplasticmaterials
DK0897039T3 (da) Fremgangsmåde til fremstilling af et mineraluldselement
SE8503682D0 (sv) Sett att framstella huvudsakligen massiva glaskroppar med mindre haligheter jemte anordning for genomforande av settet
JPS5479A (en) Production of thermoplastic resin foam pipe
JPS53112974A (en) Production of molded laminated article and mold therefor
TH33839A (th) โฟมพลาสติกปรุและกรรมวิธีผลิตโฟมพลาสติกปรุนั้น

Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings