ES396145A1 - Procedimiento y aparato para la produccion de un material polimero termoplastico espumado. - Google Patents

Procedimiento y aparato para la produccion de un material polimero termoplastico espumado.

Info

Publication number
ES396145A1
ES396145A1 ES396145A ES396145A ES396145A1 ES 396145 A1 ES396145 A1 ES 396145A1 ES 396145 A ES396145 A ES 396145A ES 396145 A ES396145 A ES 396145A ES 396145 A1 ES396145 A1 ES 396145A1
Authority
ES
Spain
Prior art keywords
thermoplastic
pressure
temperature
weight
blowing agent
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
ES396145A
Other languages
English (en)
Spanish (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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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
Priority claimed from GB4944772A external-priority patent/GB1317162A/en
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of ES396145A1 publication Critical patent/ES396145A1/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
    • C08J9/12—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
    • 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
    • B29C44/3442—Mixing, kneading or conveying the foamable material

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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
ES396145A 1970-10-19 1971-10-19 Procedimiento y aparato para la produccion de un material polimero termoplastico espumado. Expired ES396145A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4944772A GB1317162A (en) 1969-07-30 1970-10-19 Material tester and search unit therefor

Publications (1)

Publication Number Publication Date
ES396145A1 true ES396145A1 (es) 1975-02-16

Family

ID=10452374

Family Applications (1)

Application Number Title Priority Date Filing Date
ES396145A Expired ES396145A1 (es) 1970-10-19 1971-10-19 Procedimiento y aparato para la produccion de un material polimero termoplastico espumado.

Country Status (7)

Country Link
JP (1) JPS5513894B1 (enrdf_load_stackoverflow)
BE (1) BE774164A (enrdf_load_stackoverflow)
CA (1) CA963215A (enrdf_load_stackoverflow)
ES (1) ES396145A1 (enrdf_load_stackoverflow)
FR (1) FR2111694B1 (enrdf_load_stackoverflow)
GB (1) GB1328362A (enrdf_load_stackoverflow)
NL (1) NL7114343A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1092311A (en) * 1975-09-04 1980-12-30 John C. Miller Extrusion of cellular thermoplastic material
FI771008A7 (enrdf_load_stackoverflow) * 1976-05-10 1977-11-11 Berstorff Gmbh Masch Hermann
JPS5781680U (enrdf_load_stackoverflow) * 1980-11-05 1982-05-20
EP0394769B1 (de) * 1989-04-24 1998-01-07 Hans Wilhelm Hützen Verfahren zur Herstellung eines halogenkohlenwasserstoff freien Polyurethanisolierschaumstoffs
TR26440A (tr) * 1989-10-09 1995-03-15 Hans Wilhelm Huetzen HALOJENLI HIDRO KARBONLAR ICERMEYEN POLIüRETAN KÖPüK MADDESI VE BUNUN üRETILMESI ICIN BIR ISLEM

Also Published As

Publication number Publication date
FR2111694B1 (enrdf_load_stackoverflow) 1975-07-18
DE2152018B2 (de) 1975-11-06
JPS5513894B1 (enrdf_load_stackoverflow) 1980-04-12
FR2111694A1 (enrdf_load_stackoverflow) 1972-06-09
DE2152018A1 (de) 1972-05-18
NL7114343A (enrdf_load_stackoverflow) 1972-04-21
BE774164A (fr) 1972-04-19
CA963215A (en) 1975-02-25
GB1328362A (en) 1973-08-30
AU3475771A (en) 1973-05-03

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