FR2076155B1 - - Google Patents

Info

Publication number
FR2076155B1
FR2076155B1 FR7101390A FR7101390A FR2076155B1 FR 2076155 B1 FR2076155 B1 FR 2076155B1 FR 7101390 A FR7101390 A FR 7101390A FR 7101390 A FR7101390 A FR 7101390A FR 2076155 B1 FR2076155 B1 FR 2076155B1
Authority
FR
France
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
FR7101390A
Other languages
French (fr)
Other versions
FR2076155A1 (en
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 GB2245/70A external-priority patent/GB1300722A/en
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of FR2076155A1 publication Critical patent/FR2076155A1/fr
Application granted granted Critical
Publication of FR2076155B1 publication Critical patent/FR2076155B1/fr
Granted 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
    • C08J9/08—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
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
    • B29C44/083—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another
    • B29C44/086—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another and feeding more material into the enlarged cavity
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • 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
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers

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)
  • Laminated Bodies (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FR7101390A 1970-01-16 1971-01-15 Cellular core/integral skin nylon panels Granted FR2076155A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2245/70A GB1300722A (en) 1970-01-16 1970-01-16 Foamed polymeric materials
GB1847570 1970-04-17

Publications (2)

Publication Number Publication Date
FR2076155A1 FR2076155A1 (en) 1971-10-15
FR2076155B1 true FR2076155B1 (enrdf_load_stackoverflow) 1974-08-19

Family

ID=26237397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7101390A Granted FR2076155A1 (en) 1970-01-16 1971-01-15 Cellular core/integral skin nylon panels

Country Status (5)

Country Link
JP (1) JPS5142145B1 (enrdf_load_stackoverflow)
CA (1) CA968100A (enrdf_load_stackoverflow)
CH (1) CH549620A (enrdf_load_stackoverflow)
DE (1) DE2101926A1 (enrdf_load_stackoverflow)
FR (1) FR2076155A1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789357A (fr) * 1971-09-27 1973-03-27 Hoechst Ag Perfectionnement apporte a la fabrication de mousses de matieres polymeres thermoplastiques
US6359166B1 (en) * 1999-10-08 2002-03-19 3M Innovative Properties Company Oxalate ester blocked phenols

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3384691A (en) * 1965-09-10 1968-05-21 Allied Chem Method for molding a structure having a foamed plastic core substantially enclosed within an essentially unfoamed plastic layer

Also Published As

Publication number Publication date
DE2101926A1 (de) 1971-07-22
CA968100A (en) 1975-05-20
FR2076155A1 (en) 1971-10-15
JPS5142145B1 (enrdf_load_stackoverflow) 1976-11-13
CH549620A (de) 1974-05-31

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Legal Events

Date Code Title Description
ST Notification of lapse