ES8402604A1 - Procedimiento para espumar polimeros termoplasticos. - Google Patents

Procedimiento para espumar polimeros termoplasticos.

Info

Publication number
ES8402604A1
ES8402604A1 ES521886A ES521886A ES8402604A1 ES 8402604 A1 ES8402604 A1 ES 8402604A1 ES 521886 A ES521886 A ES 521886A ES 521886 A ES521886 A ES 521886A ES 8402604 A1 ES8402604 A1 ES 8402604A1
Authority
ES
Spain
Prior art keywords
blowing agent
foaming
resins
preparation
combination based
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
ES521886A
Other languages
English (en)
Other versions
ES521886A0 (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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of ES521886A0 publication Critical patent/ES521886A0/es
Publication of ES8402604A1 publication Critical patent/ES8402604A1/es
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
    • C08J9/06—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
    • C08J9/10—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 nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102—Azo-compounds
    • C08J9/103—Azodicarbonamide

Landscapes

  • Chemical & Material Sciences (AREA)
  • General 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)

Abstract

PROCEDIMIENTO PARA ESPUMAR POLIMEROS TERMOPLASTICOS.CONSISTE EN AGREGAR AL POLIMERO A ESPUMAR DESDE UN 0,1 HASTA UN 35 EN PESO DE UNA COMBINACION DE AGENTE PROPULSOR COMPUESTO DE AZODICARBONAMIDA, QUE SE HA DOTADO DE UNO O VARIOS COMPUESTOS DE METAL DE BORO, MOLIBDENO O TUNGSTENO, Y SEGUIDAMENTE SE ESPUMA A UNA TEMPERATURA COMPRENDIDA ENTRE 140 Y 350 GRADOS.DE APLICACION EN LA OBTENCION DE ARTICULOS CELULARES Y POROSOS TALES COMO MATERIALES ESPUMADOS Y POLIMEROS TERMOPLASTICOS.
ES521886A 1982-04-28 1983-04-27 Procedimiento para espumar polimeros termoplasticos. Expired ES8402604A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823215837 DE3215837A1 (de) 1982-04-28 1982-04-28 Treibmittelkombination auf basis von azodicarbonamid, deren herstellung und verwendung zur verschaeumung von kunststoffen

Publications (2)

Publication Number Publication Date
ES521886A0 ES521886A0 (es) 1984-02-01
ES8402604A1 true ES8402604A1 (es) 1984-02-01

Family

ID=6162168

Family Applications (1)

Application Number Title Priority Date Filing Date
ES521886A Expired ES8402604A1 (es) 1982-04-28 1983-04-27 Procedimiento para espumar polimeros termoplasticos.

Country Status (5)

Country Link
EP (1) EP0092739A3 (es)
JP (1) JPS58196241A (es)
CA (1) CA1220341A (es)
DE (1) DE3215837A1 (es)
ES (1) ES8402604A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6140379A (en) * 1998-12-07 2000-10-31 Armstrong World Industries, Inc. Chemically embossed metallocene polyethylene foam
KR101966951B1 (ko) * 2012-06-07 2019-04-08 주식회사 동진쎄미켐 아조디카본아미드 조성물 및 그 제조 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5239428B2 (es) * 1972-11-08 1977-10-05
US4021380A (en) * 1976-02-27 1977-05-03 Mattel, Inc. Expandable resin composition

Also Published As

Publication number Publication date
JPS58196241A (ja) 1983-11-15
EP0092739A3 (de) 1984-06-13
ES521886A0 (es) 1984-02-01
DE3215837A1 (de) 1983-11-03
CA1220341A (en) 1987-04-14
EP0092739A2 (de) 1983-11-02

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20010402