CA940675A - Process for the after-treatment of a foamed material - Google Patents

Process for the after-treatment of a foamed material

Info

Publication number
CA940675A
CA940675A CA096,164A CA96164A CA940675A CA 940675 A CA940675 A CA 940675A CA 96164 A CA96164 A CA 96164A CA 940675 A CA940675 A CA 940675A
Authority
CA
Canada
Prior art keywords
treatment
foamed material
foamed
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
CA096,164A
Inventor
Heinrich Hartmeyer
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.)
Crest Foam Corp
Original Assignee
Crest Foam Corp
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
Priority claimed from DE19691956304 external-priority patent/DE1956304A1/en
Priority claimed from DE19702049807 external-priority patent/DE2049807A1/en
Application filed by Crest Foam Corp filed Critical Crest Foam Corp
Application granted granted Critical
Publication of CA940675A publication Critical patent/CA940675A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08J9/36—After-treatment
    • C08J9/38—Destruction of cell membranes
    • 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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
CA096,164A 1969-11-08 1970-10-21 Process for the after-treatment of a foamed material Expired CA940675A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19691956304 DE1956304A1 (en) 1969-11-08 1969-11-08 Conversion of closed cell plastics foam to - open cell structure
DE19702049807 DE2049807A1 (en) 1970-10-10 1970-10-10 Conversion of closed cell plastics foam to - open cell structure

Publications (1)

Publication Number Publication Date
CA940675A true CA940675A (en) 1974-01-29

Family

ID=25758097

Family Applications (1)

Application Number Title Priority Date Filing Date
CA096,164A Expired CA940675A (en) 1969-11-08 1970-10-21 Process for the after-treatment of a foamed material

Country Status (11)

Country Link
BE (1) BE758237A (en)
CA (1) CA940675A (en)
CH (1) CH531407A (en)
DK (1) DK129563B (en)
FR (1) FR2067049B1 (en)
GB (1) GB1327399A (en)
HU (1) HU162251B (en)
LU (1) LU62018A1 (en)
NL (1) NL7016286A (en)
RO (1) RO56805A (en)
SE (1) SE356462B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5705115A (en) * 1996-04-29 1998-01-06 Shin-Etsu Polymer Co., Ltd. Method for the preparation of an air-permeable plug member
DE102005016039B4 (en) * 2005-04-07 2007-09-27 Sartorius Biotech Gmbh Method for opening the skin layer of plastic foam webs
US20140228458A1 (en) * 2011-08-30 2014-08-14 SOCPRA- Sciences et Génie s.e.c. Method and apparatus for reticulating foam material using shock waves in a gaseous environment
EP2727707A1 (en) 2012-11-05 2014-05-07 Recticel Process for the reticulation of a polymeric foam by thermal plasma, apparatus therefor and foam thus produced
EP4108407A1 (en) 2021-06-24 2022-12-28 ATL Schubs GmbH Method for manufacturing reticulated foams and apparatus therefor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1227274A (en) * 1958-01-17 1960-08-19 Kohlswa Jernverks Ab Improvements to processes and devices for pulverizing or decomposing solid materials
US3239585A (en) * 1962-05-11 1966-03-08 Dow Chemical Co Shock treatment of plastic foams
FR1490610A (en) * 1966-06-13 1967-08-04 Pechiney Saint Gobain Manufacturing process for water-permeable products

Also Published As

Publication number Publication date
FR2067049A1 (en) 1971-08-13
HU162251B (en) 1973-01-29
FR2067049B1 (en) 1975-01-10
CH531407A (en) 1972-12-15
LU62018A1 (en) 1972-07-26
RO56805A (en) 1974-07-01
DK129563B (en) 1974-10-28
NL7016286A (en) 1971-05-11
SE356462B (en) 1973-05-28
DK129563C (en) 1975-03-24
BE758237A (en) 1971-04-01
GB1327399A (en) 1973-08-22

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