CH568144A5 - - Google Patents

Info

Publication number
CH568144A5
CH568144A5 CH436973A CH436973A CH568144A5 CH 568144 A5 CH568144 A5 CH 568144A5 CH 436973 A CH436973 A CH 436973A CH 436973 A CH436973 A CH 436973A CH 568144 A5 CH568144 A5 CH 568144A5
Authority
CH
Switzerland
Application number
CH436973A
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 CH568144A5 publication Critical patent/CH568144A5/xx

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
CH436973A 1972-03-30 1973-03-26 CH568144A5 (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
CH568144A5 true CH568144A5 (en) 1975-10-31

Family

ID=9096109

Family Applications (1)

Application Number Title Priority Date Filing Date
CH436973A CH568144A5 (en) 1972-03-30 1973-03-26

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
CN103052676B (en) 2010-08-03 2016-04-27 A·舒尔曼股份有限公司 Polymer complex foam
US9873772B2 (en) 2012-12-17 2018-01-23 A. Schulman, Inc. Polymer foams
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
LU67272A1 (en) 1973-09-26
NL7304293A (en) 1973-10-02
GB1403808A (en) 1975-08-28
BE797010A (en) 1973-09-19
ES413141A1 (en) 1976-01-16
IT984285B (en) 1974-11-20
FR2177584A1 (en) 1973-11-09
FR2177584B1 (en) 1974-12-20
DE2316114A1 (en) 1973-10-11

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Legal Events

Date Code Title Description
PL Patent ceased