FR2563836B3 - PROCESS FOR THE EXPANSION OF PLASTIC MATERIALS ESPECIALLY FOR THE MANUFACTURE OF LIGHTWEIGHT PARTS USING CARBONIC ANHYDRIDE, AND DEVICE FOR IMPLEMENTING SAME - Google Patents

PROCESS FOR THE EXPANSION OF PLASTIC MATERIALS ESPECIALLY FOR THE MANUFACTURE OF LIGHTWEIGHT PARTS USING CARBONIC ANHYDRIDE, AND DEVICE FOR IMPLEMENTING SAME

Info

Publication number
FR2563836B3
FR2563836B3 FR8406953A FR8406953A FR2563836B3 FR 2563836 B3 FR2563836 B3 FR 2563836B3 FR 8406953 A FR8406953 A FR 8406953A FR 8406953 A FR8406953 A FR 8406953A FR 2563836 B3 FR2563836 B3 FR 2563836B3
Authority
FR
France
Prior art keywords
expansion
manufacture
plastic materials
carbonic anhydride
materials especially
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
FR8406953A
Other languages
French (fr)
Other versions
FR2563836A1 (en
Inventor
Claude Beauge
Joseph Castan
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.)
ANHYDRIDE CARBONIQUE IND
Original Assignee
ANHYDRIDE CARBONIQUE IND
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 ANHYDRIDE CARBONIQUE IND filed Critical ANHYDRIDE CARBONIQUE IND
Priority to FR8406953A priority Critical patent/FR2563836B3/en
Publication of FR2563836A1 publication Critical patent/FR2563836A1/en
Application granted granted Critical
Publication of FR2563836B3 publication Critical patent/FR2563836B3/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7404—Mixing devices specially adapted for foamable substances
    • B29B7/7409—Mixing devices specially adapted for foamable substances with supply of gas
    • B29B7/7428—Methodical aspects
    • 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
    • C08J9/127—Mixtures of organic and inorganic blowing agents
    • 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
    • B29C44/3446—Feeding the blowing agent
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
FR8406953A 1984-05-04 1984-05-04 PROCESS FOR THE EXPANSION OF PLASTIC MATERIALS ESPECIALLY FOR THE MANUFACTURE OF LIGHTWEIGHT PARTS USING CARBONIC ANHYDRIDE, AND DEVICE FOR IMPLEMENTING SAME Expired FR2563836B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8406953A FR2563836B3 (en) 1984-05-04 1984-05-04 PROCESS FOR THE EXPANSION OF PLASTIC MATERIALS ESPECIALLY FOR THE MANUFACTURE OF LIGHTWEIGHT PARTS USING CARBONIC ANHYDRIDE, AND DEVICE FOR IMPLEMENTING SAME

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8406953A FR2563836B3 (en) 1984-05-04 1984-05-04 PROCESS FOR THE EXPANSION OF PLASTIC MATERIALS ESPECIALLY FOR THE MANUFACTURE OF LIGHTWEIGHT PARTS USING CARBONIC ANHYDRIDE, AND DEVICE FOR IMPLEMENTING SAME

Publications (2)

Publication Number Publication Date
FR2563836A1 FR2563836A1 (en) 1985-11-08
FR2563836B3 true FR2563836B3 (en) 1986-07-18

Family

ID=9303701

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8406953A Expired FR2563836B3 (en) 1984-05-04 1984-05-04 PROCESS FOR THE EXPANSION OF PLASTIC MATERIALS ESPECIALLY FOR THE MANUFACTURE OF LIGHTWEIGHT PARTS USING CARBONIC ANHYDRIDE, AND DEVICE FOR IMPLEMENTING SAME

Country Status (1)

Country Link
FR (1) FR2563836B3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2651173B1 (en) * 1989-08-28 1992-01-17 Carboxyque Francaise PROCESS FOR THE EXTRUSION OF EXPANDED PLASTIC MATERIAL USING FREON.
US5149473A (en) * 1992-02-06 1992-09-22 Amoco Corporation Method for production of styrenic foam
AT398771B (en) * 1992-11-13 1995-01-25 Union Ind Compr Gase Gmbh METHOD FOR PRODUCING FOAMED PLASTICS
FR2790976B1 (en) * 1999-03-19 2001-04-20 Agrosol Sa DEVICE AVOIDING MALFUNCTION OF DOSING PUMPS BY ADDING CARBON GAS INTO THE MIXTURE LIQUID SUPPLYING SUCH PUMPS
BE1012801A3 (en) * 1999-07-27 2001-03-06 Solvay Method for introduction of at least one chemical compound in an extruder device introduction, extruder equipped with such a device and methods using the extruder.
US6602063B1 (en) * 2000-07-21 2003-08-05 Trexel, Inc. Discontinuous blowing agent delivery system and method

Also Published As

Publication number Publication date
FR2563836A1 (en) 1985-11-08

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