BE750181A - Procede de fabrication d'objets moules a haut pouvoir de diffusion et/ou de refraction de la lumiere, a partir de resines thermoplastiques contenant des porophores - Google Patents

Procede de fabrication d'objets moules a haut pouvoir de diffusion et/ou de refraction de la lumiere, a partir de resines thermoplastiques contenant des porophores

Info

Publication number
BE750181A
BE750181A BE750181DA BE750181A BE 750181 A BE750181 A BE 750181A BE 750181D A BE750181D A BE 750181DA BE 750181 A BE750181 A BE 750181A
Authority
BE
Belgium
Prior art keywords
porophores
light
thermoplastic resins
resins containing
high diffusion
Prior art date
Application number
Other languages
English (en)
Original Assignee
Huels Chemische Werke 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 Huels Chemische Werke Ag filed Critical Huels Chemische Werke Ag
Publication of BE750181A publication Critical patent/BE750181A/fr

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)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
BE750181D 1969-05-08 1970-05-08 Procede de fabrication d'objets moules a haut pouvoir de diffusion et/ou de refraction de la lumiere, a partir de resines thermoplastiques contenant des porophores BE750181A (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
BE750181A true BE750181A (fr) 1970-10-16

Family

ID=5733573

Family Applications (1)

Application Number Title Priority Date Filing Date
BE750181D BE750181A (fr) 1969-05-08 1970-05-08 Procede de fabrication d'objets moules a haut pouvoir de diffusion et/ou de refraction de la lumiere, a partir de resines thermoplastiques contenant des porophores

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
FR2056164A5 (fr) 1971-05-14
DE1923416A1 (de) 1970-11-19

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