FR2056164A5 - - Google Patents

Info

Publication number
FR2056164A5
FR2056164A5 FR7014405A FR7014405A FR2056164A5 FR 2056164 A5 FR2056164 A5 FR 2056164A5 FR 7014405 A FR7014405 A FR 7014405A FR 7014405 A FR7014405 A FR 7014405A FR 2056164 A5 FR2056164 A5 FR 2056164A5
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
FR7014405A
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.)
Huels AG
Original Assignee
Chemische Werke Huels 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 Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Application granted granted Critical
Publication of FR2056164A5 publication Critical patent/FR2056164A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0407—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities by regulating the temperature of the mould or parts thereof, e.g. cold mould walls inhibiting foaming of an outer layer
    • 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)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
FR7014405A 1969-05-08 1970-04-21 Expired FR2056164A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691923416 DE1923416B2 (de) 1969-05-08 1969-05-08 Verfahren zum herstellen von formkoerpern mit geschlossener porenfreier oberflaeche aus einem treibmittelhaltigen homogen plastifizierten thermoplastischen kunststoff

Publications (1)

Publication Number Publication Date
FR2056164A5 true FR2056164A5 (fr) 1971-05-14

Family

ID=5733573

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7014405A Expired FR2056164A5 (fr) 1969-05-08 1970-04-21

Country Status (4)

Country Link
BE (1) BE750181A (fr)
DE (1) DE1923416B2 (fr)
FR (1) FR2056164A5 (fr)
GB (1) GB1305646A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01118417A (ja) * 1987-10-31 1989-05-10 Ikeda Bussan Co Ltd 表皮材一体発泡体の発泡成形方法
DE102016119329A1 (de) 2016-10-11 2018-04-12 Frank Walsdorff PMMA-Werkstoff und Beleuchtungsvorrichtung damit

Also Published As

Publication number Publication date
GB1305646A (fr) 1973-02-07
DE1923416B2 (de) 1972-10-05
BE750181A (fr) 1970-10-16
DE1923416A1 (de) 1970-11-19

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Legal Events

Date Code Title Description
ST Notification of lapse