ES2135274T3 - Composiciones espumables a base de elastomero termoplastico olefinico y articulos de espuma de esta composicion. - Google Patents

Composiciones espumables a base de elastomero termoplastico olefinico y articulos de espuma de esta composicion.

Info

Publication number
ES2135274T3
ES2135274T3 ES97103530T ES97103530T ES2135274T3 ES 2135274 T3 ES2135274 T3 ES 2135274T3 ES 97103530 T ES97103530 T ES 97103530T ES 97103530 T ES97103530 T ES 97103530T ES 2135274 T3 ES2135274 T3 ES 2135274T3
Authority
ES
Spain
Prior art keywords
olefine
olephine
elastomeric composition
composition
foamable
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
ES97103530T
Other languages
English (en)
Inventor
Keiji Okada
Hiroyasu Yamaoka
Akira Uchiyama
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.)
Mitsui Chemicals Inc
Original Assignee
Mitsui Chemicals 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 Mitsui Chemicals Inc filed Critical Mitsui Chemicals Inc
Application granted granted Critical
Publication of ES2135274T3 publication Critical patent/ES2135274T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C08J9/06—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 chemical blowing agent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/14—Peroxides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16—Ethylene-propylene or ethylene-propylene-diene copolymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C08L23/22—Copolymers of isobutene; Butyl rubber; Homopolymers or copolymers of other iso-olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • 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
    • C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/14—Applications used for foams
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/07—Long chain branching
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2312/00—Crosslinking
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
    • C08L2666/04—Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

SE DESCRIBE UNA COMPOSICION ELASTOMERICA TERMOPLASTICA DE OLEFINA, ESPUMABLE, QUE COMPRENDE (A) UNA COMPOSICION ELASTOMERICA TERMOPLASTICA, PARCIALMENTE RETICULADA, (B) POLIPROPILENO CON UNA RAMIFICACION DE CADENA LARGA Y (C) UN AGENTE ESPUMANTE. LA COMPOSICION ELASTOMERICA TERMOPLASTICA, PARCIALMENTE RETICULADA (A), SE OBTIENE MEDIANTE TERMOTRATAMIENTO DINAMICO DE UNA MEZCLA, EN PRESENCIA DE UN PEROXIDO ORGANICO, COMPRENDIENDO DICHA MEZCLA, PROPORCIONES ESPECIFICAS DE UN CAUCHO DE COPOLIMERO DE OLEFINA DE TIPO RETICULABLE POR PEROXIDO (A), QUE ES UN CAUCHO DE COPOLIMERO DE ETILENO/{AL}-OLEFINA, COMPUESTO POR ETILENO, UNA {AL}-OLEFINA DE 3 A 20 ATOMOS DE CARBONO Y, OPCIONALMENTE, UN DIENO NO CONJUGADO, Y UN PLASTICO DE OLEFINA DE TIPO DEGRADABLE POR PEROXIDO (B), QUE ES UN (CO)POLIMERO DE {AL}-OLEFINA, QUE CONTIENE UNA CANTIDAD ESPECIFICA DE {AL}OLEFINA DE 3 A 20 ATOMOS DE CARBONO Y QUE TIENE UN MFR ESPECIFICO. ASIMISMO, SE DESCRIBE UN PRODUCTO ESPUMADO, OBTENIDO MEDIANTE CALENTAMIENTO DE DICHA COMPOSICION ELASTOMERICA TERMOPLASTICA OLEFINICA ESPUMABLE. A PARTIR DE DICHA COMPOSICION, SE PUEDE PRODUCIR UN PRODUCTO ESPUMADO CON UNA VELOCIDAD DE EXPANSION DE AL MENOS 2 VECES SU TAMAÑO, QUE ESTA EXENTO DE RUGOSIDADES CAUSADAS POR LA DESESPUMACION, ES SUAVE AL TACTO Y MUESTRA EXCELENTE TERMORRESISTENCIA Y RESISTENCIA A LA INTEMPERIE; DICHO PRODUCTO SE OBTIENE CON UNA ELEVADA TASA DE PRODUCCION, A TRAVES DE FASES SIMPLIFICADAS.
ES97103530T 1996-03-04 1997-03-04 Composiciones espumables a base de elastomero termoplastico olefinico y articulos de espuma de esta composicion. Expired - Lifetime ES2135274T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4626596 1996-03-04

Publications (1)

Publication Number Publication Date
ES2135274T3 true ES2135274T3 (es) 1999-10-16

Family

ID=12742394

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97103530T Expired - Lifetime ES2135274T3 (es) 1996-03-04 1997-03-04 Composiciones espumables a base de elastomero termoplastico olefinico y articulos de espuma de esta composicion.

Country Status (10)

Country Link
US (1) US5786403A (es)
EP (1) EP0794226B1 (es)
KR (1) KR100216649B1 (es)
CN (2) CN1119376C (es)
AU (1) AU705660B2 (es)
CA (1) CA2198998C (es)
DE (1) DE69700305T2 (es)
ES (1) ES2135274T3 (es)
MY (1) MY115666A (es)
TW (1) TW464672B (es)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5786403A (en) * 1996-03-04 1998-07-28 Mitsui Petrochemical Industries, Ltd. Foamable olefin thermoplastic elastomer compositions and foamed products thereof
CA2221081A1 (en) * 1996-11-15 1998-05-15 Shuichi Nonaka Foam processable rubber compositions and vulcanized rubber foam-molded products of the same
US6506842B1 (en) 1997-01-29 2003-01-14 Dupont Dow Elastomers L.L.C. Rheology-modified thermoplastic elastomer compositions and articles fabricated therefrom
JP3598487B2 (ja) * 1997-03-27 2004-12-08 豊田合成株式会社 自動車用ウェザストリップ
EP0872516A1 (en) † 1997-04-15 1998-10-21 Dsm N.V. Foamable polymeric composition
JPH1160834A (ja) * 1997-08-08 1999-03-05 Tosoh Corp プロピレン系樹脂組成物
CA2334533A1 (en) * 1998-06-08 1999-12-16 Advanced Elastomer Systems, L.P. Polypropylene thermoplastic elastomer compositions having improved processing properties and physical property balance
US6288171B2 (en) * 1998-07-01 2001-09-11 Advanced Elastomer Systems, L.P. Modification of thermoplastic vulcanizates using random propylene copolymers
AU1241600A (en) 1998-11-02 2000-05-22 Dupont Dow Elastomers L.L.C. Shear thinning ethylene/alpha-olefin interpolymers and their preparation
US6630538B1 (en) * 1999-05-13 2003-10-07 Maria D. Ellul Polypropylene thermoplastic elastomer compositions having improved processing properties and physical property balance
EP1059332A1 (en) * 1999-06-10 2000-12-13 Fina Research S.A. Polypropylene with high melt strength and drawability
GB2360058B (en) * 2000-01-27 2004-03-31 Toyoda Gosei Kk Door weather strip
US6548600B2 (en) * 2000-09-22 2003-04-15 Dupont Dow Elastomers L.L.C. Thermoplastic elastomer compositions rheology-modified using peroxides and free radical coagents
JP2002166511A (ja) * 2000-11-30 2002-06-11 Sumitomo Chem Co Ltd ポリオレフィン系樹脂発泡シート
US6433090B1 (en) 2001-01-26 2002-08-13 Advanced Elastomer Systems, L.P. Thermoplastic elastomers having improved set foams made therefrom
ATE278544T1 (de) * 2001-02-06 2004-10-15 Fagerdala Deutschland Gmbh Verbundmaterial aus einer polypropylen- deckschicht sowie einer polypropylen-schaumfolie
US20030070259A1 (en) * 2001-10-15 2003-04-17 Brown William R. Elastomeric grips for personal care products
JP3835313B2 (ja) * 2002-03-08 2006-10-18 住友電装株式会社 オレフィン系熱可塑性エラストマー組成物および被覆電線
AU2003222054A1 (en) * 2002-03-22 2003-10-13 Dow Global Technologies Inc. Thermoplastic vulcanizate composition and method of making same
US7338994B2 (en) * 2002-10-01 2008-03-04 Dow Global Technologies Inc. Rheology-modified thermoplastic elastomer compositions for extruded profiles
US6790911B2 (en) * 2002-12-26 2004-09-14 Advanvced Elastomer Systems, L.P. Thermoplastic elastomers having improved adhesive proterties
JP2004250529A (ja) * 2003-02-19 2004-09-09 Nitto Denko Corp ポリオレフィン系樹脂発泡体用組成物とその発泡体、および発泡体の製造方法
US7259189B2 (en) * 2003-06-12 2007-08-21 Jsp Corporation Expanded polypropylene resin beads and process for the production thereof
JP2005133045A (ja) * 2003-10-31 2005-05-26 Nhk Spring Co Ltd 発泡成形用樹脂組成物、発泡体、および発泡体の製造方法
US7906586B2 (en) 2003-12-09 2011-03-15 Dow Global Technologies Llc Thermoplastic olefinic compositions
US7235609B2 (en) * 2004-01-14 2007-06-26 Amitkumar Dharia Thermoplastic olefin compositions and articles
US20080045660A1 (en) * 2004-01-14 2008-02-21 Rodrigue Jerry W Thermoplastic Olefin Compositions
JP4912588B2 (ja) * 2004-12-24 2012-04-11 日東電工株式会社 エチレン・プロピレン・ジエンゴム連続気泡発泡体
US8076416B2 (en) * 2005-02-04 2011-12-13 Exxonmobil Chemical Patents Inc. Thermoplastic vulcanizates and their use
US8288480B2 (en) 2005-06-22 2012-10-16 Exxonmobil Chemical Patents Inc. In-reactor polymer blends
KR101200679B1 (ko) 2005-09-07 2012-11-12 한일이화주식회사 폴리프로필렌 복합수지를 이용한 자동차 내장재용 경질발포 기재
ITTO20060477A1 (it) * 2006-06-28 2007-12-29 Alenia Aeronautica Spa Metodo, sistema e attrezzatura per realizzare parti in materiale composito, in particolare parti rinforzate per fusoliera di aeromobile
CN101215395B (zh) * 2007-01-05 2010-05-26 郭廷志 压敏智能发泡材料及其制备方法
US20080182074A1 (en) * 2007-01-31 2008-07-31 Eastman Chemical Company Rigid pvc melt bonded thermoplastic elastomer composites
JP5550215B2 (ja) * 2008-07-18 2014-07-16 三井化学株式会社 発泡用熱可塑性エラストマー組成物、その発泡成形体、その複合成形体および自動車用インストゥルメントパネル
US8227547B2 (en) * 2008-12-15 2012-07-24 Exxonmobil Chemical Patents Inc. Foamable thermoplastic reactor blends and foam article therefrom
WO2011008845A1 (en) * 2009-07-14 2011-01-20 Toray Plastics (America), Inc. Crosslinked polyolefin foam sheet with exceptional softness, haptics, moldability, thermal stability and shear strength
WO2012023607A1 (ja) * 2010-08-20 2012-02-23 横浜ゴム株式会社 ゴム組成物および空気入りタイヤ
KR101231004B1 (ko) * 2010-11-23 2013-02-07 주식회사 화승알앤에이 자동차 웨더스트립용 발포 열가소성 탄성체 조성물
CN103160002A (zh) * 2011-12-12 2013-06-19 上海杰事杰新材料(集团)股份有限公司 一种马鞍垫及其制备方法
KR101438912B1 (ko) 2012-10-16 2014-09-15 현대자동차주식회사 자동차 웨더스트립용 난연 열가소성 탄성체 조성물
WO2016195832A1 (en) * 2015-05-29 2016-12-08 Exxonmobil Chemical Patents Inc. Thermoplastic vulcanizates comprising broad molecular weight distribution polypropylene
US10988584B2 (en) 2016-10-31 2021-04-27 Kyoraku Co., Ltd. Resin for foam molding, foam molded article, and method for producing same
CN106700287B (zh) * 2016-12-19 2019-03-01 宁波泰甬汽车零部件有限公司 一种发泡热塑性弹性体及其制备方法
CN106750864B (zh) * 2016-12-19 2019-03-01 宁波泰甬汽车零部件有限公司 一种熔体状态可调的动态硫化热塑性弹性体及其制备方法
WO2019232024A1 (en) 2018-05-31 2019-12-05 Nike Innovate C.V. Articles of footwear, manufacturing systems, and processes for forming footwear using recycled plastics
CN115322490A (zh) * 2022-08-23 2022-11-11 广东圆融新材料有限公司 一种挤出级低介电常数聚丙烯材料及其制备方法
CN115785522B (zh) * 2022-11-28 2024-06-25 道恩高材(北京)科技有限公司 一种共沸剂发生体系及热塑性硫化胶
CN115895097B (zh) * 2022-12-22 2024-05-17 晋江国盛新材料科技有限公司 一种发泡交联热塑性弹性体材料及其应用
US20250043161A1 (en) * 2023-08-01 2025-02-06 Eaton Intelligent Power Limited Solvated adhesive composition and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2822815C2 (de) * 1977-05-26 1994-02-17 Mitsui Petrochemical Ind Verfahren zur Herstellung einer teilweise vulkanisierten thermoplastischen Masse
JP2665373B2 (ja) * 1989-03-30 1997-10-22 三井石油化学工業株式会社 部分架橋熱可塑性エラストマー発泡体およびその製造方法
NZ245868A (en) * 1992-05-13 1995-12-21 Grace W R & Co Producing foam sheet from polypropylene with long chain branching or from rubber modified linear polypropylene by injection of carbon dioxide into melt, and extruding
JP3241112B2 (ja) * 1992-08-07 2001-12-25 積水化学工業株式会社 積層発泡体
US5786403A (en) * 1996-03-04 1998-07-28 Mitsui Petrochemical Industries, Ltd. Foamable olefin thermoplastic elastomer compositions and foamed products thereof

Also Published As

Publication number Publication date
CA2198998C (en) 2001-08-21
DE69700305T2 (de) 1999-12-09
KR100216649B1 (ko) 1999-09-01
EP0794226A1 (en) 1997-09-10
KR970065625A (ko) 1997-10-13
AU1506297A (en) 1997-09-11
US5786403A (en) 1998-07-28
MY115666A (en) 2003-08-30
CN1119376C (zh) 2003-08-27
EP0794226B1 (en) 1999-07-07
CN1164544A (zh) 1997-11-12
CN1204188C (zh) 2005-06-01
TW464672B (en) 2001-11-21
CN1441000A (zh) 2003-09-10
AU705660B2 (en) 1999-05-27
DE69700305D1 (de) 1999-08-12
CA2198998A1 (en) 1997-09-04

Similar Documents

Publication Publication Date Title
MY115666A (en) Foamable olefin thermoplastic elastomer compositions formed products thereof
ES2126363T3 (es) Productos de espuma elastomericos termoplasticos olefinicos y procedimientos para la preparacion de los mismos.
AU2001238345A1 (en) Thermoplastic elastomers having enhanced foaming and physical properties
AU2003259998A8 (en) Thermoplastic elastomeric foam materials and methods of forming the same
MY140493A (en) Crosslinked olefin elastomer foam and elastomer composition therefor
MX172515B (es) Elastomeros termoplasticos espumados, celulares de baja densidad
GB2399155B (en) Energy absorbing material
GB1076873A (en) Method of manufacturing polyolefin composition foamed bodies
TW274091B (es)
ES2090294T3 (es) Espumado de elastomeros termoplasticos.
GB2289468A (en) Process for producing alkenyl aromatic foams using a combination of atmospheric and organic gases and foams produced thereby
AR016885A1 (es) Modificar la reologia de elastomeros, composicion obtenida, uso y articulo
AR055049A1 (es) Espumas hechas a partir de interpolimeros de etileno/(alpha)-olefinas
KR950018222A (ko) 폴리에틸렌계 발포성 조성물 및 발포 성형체
GB2319985A (en) Microcellular foam plank
PL349791A1 (en) Foamable composition using high density polyethylene
JPS57195129A (en) Foaming agent composition for water-crosslinkable polymer
MY118232A (en) Modified polypropylene resin, foam made thereof and processes for the preparation of them
ES2035651T3 (es) Procedimiento para la obtencion de plasticos espumados de moldeo blandos de poliuretano con una densidad bruta baja.
ES2066236T3 (es) Espuma rigida de poliuretano y aislante del calor obtenido a partir de ella.
JPS54112967A (en) Production of thermoplastic elastomer foam
BR9910999A (pt) Composição de elastÈmero termoplástico.
JP3178923B2 (ja) 環状オレフィン系樹脂発泡体
JPS6412976A (en) Sound-proof structure of automobile pillar
HU9401749D0 (en) Polymeric foaming agents and their application in the preparation of synthetic foams

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 794226

Country of ref document: ES