BE797010A - PROCESS FOR OBTAINING OBJECTS IN CELLULAR THERMOPLASTICS - Google Patents

PROCESS FOR OBTAINING OBJECTS IN CELLULAR THERMOPLASTICS

Info

Publication number
BE797010A
BE797010A BE128986A BE128986A BE797010A BE 797010 A BE797010 A BE 797010A BE 128986 A BE128986 A BE 128986A BE 128986 A BE128986 A BE 128986A BE 797010 A BE797010 A BE 797010A
Authority
BE
Belgium
Prior art keywords
obtaining objects
thermoplastics
cellular
cellular thermoplastics
objects
Prior art date
Application number
BE128986A
Other languages
French (fr)
Inventor
G Lozach
J-C Robinet
Original Assignee
Charbonnages Ste Chimique
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 Charbonnages Ste Chimique filed Critical Charbonnages Ste Chimique
Publication of BE797010A publication Critical patent/BE797010A/en

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
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/461—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface
    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • 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
    • C08J9/125—Water, e.g. hydrated salts

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE128986A 1972-03-30 1973-03-19 PROCESS FOR OBTAINING OBJECTS IN CELLULAR THERMOPLASTICS BE797010A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7211343A FR2177584B1 (en) 1972-03-30 1972-03-30

Publications (1)

Publication Number Publication Date
BE797010A true BE797010A (en) 1973-09-19

Family

ID=9096109

Family Applications (1)

Application Number Title Priority Date Filing Date
BE128986A BE797010A (en) 1972-03-30 1973-03-19 PROCESS FOR OBTAINING OBJECTS IN CELLULAR THERMOPLASTICS

Country Status (9)

Country Link
BE (1) BE797010A (en)
CH (1) CH568144A5 (en)
DE (1) DE2316114A1 (en)
ES (1) ES413141A1 (en)
FR (1) FR2177584B1 (en)
GB (1) GB1403808A (en)
IT (1) IT984285B (en)
LU (1) LU67272A1 (en)
NL (1) NL7304293A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX173573B (en) * 1989-06-19 1994-03-16 Subsurface Technology Corp IMPROVEMENTS IN POROUS TUBE AND PROCESS TO PRODUCE IT
DE19610330A1 (en) * 1996-03-16 1997-09-18 Gefinex Jackon Gmbh Plastics foam production with addition of zeolite to stabilise foam and increase fire protection
US5639799A (en) * 1996-10-15 1997-06-17 Albemarle Corporation Heat stabilized flame retardant styrenic polymer foam compositions
JP5796072B2 (en) 2010-08-03 2015-10-21 エー.シュルマン, インク.A.Schulman, Inc. Polymer composite foam
JP2016500396A (en) * 2012-12-17 2016-01-12 エー.シュルマン, インク.A.Schulman, Inc. Polymer foam
CN106317445B (en) * 2015-06-29 2019-01-15 北京化工大学 A kind of supported crystalline hydrate foaming agent, preparation method and application

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB903564A (en) * 1959-12-10 1962-08-15 Dow Chemical Co Process for making foamed styrene polymers

Also Published As

Publication number Publication date
FR2177584B1 (en) 1974-12-20
IT984285B (en) 1974-11-20
LU67272A1 (en) 1973-09-26
CH568144A5 (en) 1975-10-31
NL7304293A (en) 1973-10-02
FR2177584A1 (en) 1973-11-09
GB1403808A (en) 1975-08-28
DE2316114A1 (en) 1973-10-11
ES413141A1 (en) 1976-01-16

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