ES8704526A1 - Un procedimiento para preparar una espuma de excelente tenacidad a partir de polimeros expandibles estirenicos y etilenicos y un agente de expansion. - Google Patents

Un procedimiento para preparar una espuma de excelente tenacidad a partir de polimeros expandibles estirenicos y etilenicos y un agente de expansion.

Info

Publication number
ES8704526A1
ES8704526A1 ES547208A ES547208A ES8704526A1 ES 8704526 A1 ES8704526 A1 ES 8704526A1 ES 547208 A ES547208 A ES 547208A ES 547208 A ES547208 A ES 547208A ES 8704526 A1 ES8704526 A1 ES 8704526A1
Authority
ES
Spain
Prior art keywords
ionically associated
foams
acrylic acid
acid copolymer
styrenic
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
ES547208A
Other languages
English (en)
Other versions
ES547208A0 (es
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 ES8704526A1 publication Critical patent/ES8704526A1/es
Publication of ES547208A0 publication Critical patent/ES547208A0/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/16—Homopolymers or copolymers of alkyl-substituted styrenes
    • 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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • C08J9/08—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 developing carbon dioxide
    • 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
    • C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • 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
    • C08J2423/00—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)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PROCEDIMIENTO PARA LA PREPARACION DE UNA ESPUMA A PARTIR DE POLIMEROS EXPANDIBLES, ESTIRENICOS Y ETILENICOS, Y UN AGENTE DE EXPANSION. COMPRENDE LAS OPERACIONES DE FORMULAR AL MENOS UNA MEZCLA TERNARIA ENTRE UN POLIMERO ESTIRENICO, UN POLIMERO ETILENICO Y UN BICARBONATO O CARBONATO DE AMONIO O DE METAL, A UNA TEMPERATURA INFERIOR A 100 GRADOS; DE CALENTAR LA MEZCLA FORMULADA A UNA TEMPERATURA COMPRENDIDA ENTRE 150 Y 300 GRADOS Y A UNA PRESION COMPRENDIDA ENTRE 70 Y 2.800 KG/CM, PARA FORMAR UNA COMPOSICION POLIMERA EXPANDIBLE A TRAVES DE UNA MATRIZ Y SIMULTANEAMENTE REDUCIR SU PRESION A UN VALOR DE HASTA 35 KG/CM, FORMANDO ASI UNA ESPUMA FUNDIDA; Y DE ENFRIAR DICHA ESPUMA FUNDIDA HASTA UNA TEMPERATURA PROXIMA A LA AMBIENTE. DE APLICACION COMO MATERIAL AISLANTE EN PROCESOS DE ENVASADO.
ES547208A 1984-09-24 1985-09-23 Un procedimiento para preparar una espuma de excelente tenacidad a partir de polimeros expandibles estirenicos y etilenicos y un agente de expansion. Expired ES8704526A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/653,420 US4567209A (en) 1984-09-24 1984-09-24 Foams of ionically associated blends of styrenic and ethylenic polymers

Publications (2)

Publication Number Publication Date
ES8704526A1 true ES8704526A1 (es) 1987-04-01
ES547208A0 ES547208A0 (es) 1987-04-01

Family

ID=24620819

Family Applications (1)

Application Number Title Priority Date Filing Date
ES547208A Expired ES8704526A1 (es) 1984-09-24 1985-09-23 Un procedimiento para preparar una espuma de excelente tenacidad a partir de polimeros expandibles estirenicos y etilenicos y un agente de expansion.

Country Status (9)

Country Link
US (1) US4567209A (es)
EP (1) EP0176042B1 (es)
JP (1) JPH0649794B2 (es)
KR (1) KR910005566B1 (es)
AU (1) AU593217B2 (es)
CA (1) CA1233299A (es)
DE (1) DE3574599D1 (es)
ES (1) ES8704526A1 (es)
GR (1) GR852321B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1232894B (it) * 1989-08-03 1992-03-05 Butterfly Srl Articoli espansi di materiale plastico biodegradabile e procedimento per la loro preparazione
US6130266A (en) * 1999-02-04 2000-10-10 Kaneka Corporation Pre-expanded particles of propylene resin, process for preparing the same and flow-restricting device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3947387A (en) * 1973-03-29 1976-03-30 Exxon Research And Engineering Co. Novel ionic foams
NL7405693A (es) * 1973-05-08 1974-11-12
US3969434A (en) * 1973-10-29 1976-07-13 E. I. Du Pont De Nemours And Company Process for preparing ionically crosslinked copolymers
US4196267A (en) * 1975-03-25 1980-04-01 Asahi-Dow Limited Extrusion foamed article and process for producing the same
US4097425A (en) * 1975-08-28 1978-06-27 General Electric Company Thermoplastic formable blends, a foaming method and products made thereby
US4152495A (en) * 1976-04-06 1979-05-01 Rohm And Haas Company Foamed thermoplastic resin composition containing multiple stage polymeric modifiers
US4164512A (en) * 1977-10-04 1979-08-14 Exxon Research & Engineering Co. Foamable thermoelastic ionomer composition
US4181780A (en) * 1977-10-04 1980-01-01 Exxon Research & Engineering Co. Thermoplastic ionomer foams
JPS54114547A (en) * 1978-02-27 1979-09-06 Sekisui Plastics Preparation of formed body coated with polyester resin
CA1111998A (en) * 1978-12-18 1981-11-03 Polysar International S.A. Latex foam rubber
US4331779A (en) * 1979-02-22 1982-05-25 The Dow Chemical Co. Ethylenic polymer foams having improved dimensional stability
US4215202A (en) * 1979-02-22 1980-07-29 The Dow Chemical Company Soft ethylenic polymer blend foams
JPS6028852B2 (ja) * 1979-08-29 1985-07-06 古河電気工業株式会社 架橋ポリオレフイン発泡体用組成物
US4361626A (en) * 1980-09-08 1982-11-30 Congoleum Corporation Methods for bonding dissimilar synthetic polymeric materials and the products involved in and resulting from such methods
AU545805B2 (en) * 1981-12-08 1985-08-01 Dow Chemical Company, The Styrene-acrylic aerol polymer foams

Also Published As

Publication number Publication date
EP0176042B1 (en) 1989-12-06
AU593217B2 (en) 1990-02-08
JPH0649794B2 (ja) 1994-06-29
CA1233299A (en) 1988-02-23
KR860002547A (ko) 1986-04-26
EP0176042A3 (en) 1987-08-12
DE3574599D1 (de) 1990-01-11
ES547208A0 (es) 1987-04-01
KR910005566B1 (ko) 1991-07-31
US4567209A (en) 1986-01-28
JPS6185449A (ja) 1986-05-01
AU4653785A (en) 1986-04-10
GR852321B (es) 1986-01-24
EP0176042A2 (en) 1986-04-02

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20011110