BE761500A - PROCESS FOR DESTRUCTION OF MEMBRANES OF A CELLULAR MATERIAL IN THE FORM OF FOAM - Google Patents

PROCESS FOR DESTRUCTION OF MEMBRANES OF A CELLULAR MATERIAL IN THE FORM OF FOAM

Info

Publication number
BE761500A
BE761500A BE761500A BE761500A BE761500A BE 761500 A BE761500 A BE 761500A BE 761500 A BE761500 A BE 761500A BE 761500 A BE761500 A BE 761500A BE 761500 A BE761500 A BE 761500A
Authority
BE
Belgium
Prior art keywords
membranes
destruction
foam
cellular material
cellular
Prior art date
Application number
BE761500A
Other languages
French (fr)
Inventor
C Ferstenberg
Original Assignee
Tenneco Chem
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 Tenneco Chem filed Critical Tenneco Chem
Publication of BE761500A publication Critical patent/BE761500A/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
    • B29C44/56—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
    • B29C44/5672—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching by stretching the foam, e.g. to open the cells
    • 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
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/045—Condition, form or state of moulded material or of the material to be shaped cellular or porous with open cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Cell Biology (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Cleaning In General (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
BE761500A 1970-01-21 1971-01-12 PROCESS FOR DESTRUCTION OF MEMBRANES OF A CELLULAR MATERIAL IN THE FORM OF FOAM BE761500A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US454570A 1970-01-21 1970-01-21

Publications (1)

Publication Number Publication Date
BE761500A true BE761500A (en) 1971-06-16

Family

ID=21711309

Family Applications (1)

Application Number Title Priority Date Filing Date
BE761500A BE761500A (en) 1970-01-21 1971-01-12 PROCESS FOR DESTRUCTION OF MEMBRANES OF A CELLULAR MATERIAL IN THE FORM OF FOAM

Country Status (10)

Country Link
AU (1) AU2445971A (en)
BE (1) BE761500A (en)
CH (1) CH540767A (en)
DE (1) DE2102844A1 (en)
ES (2) ES386845A1 (en)
FR (1) FR2077247B1 (en)
GB (1) GB1321489A (en)
LU (1) LU62448A1 (en)
NL (1) NL7100814A (en)
ZA (1) ZA708518B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4579700A (en) * 1983-11-07 1986-04-01 Union Carbide Corporation Novel process for making flexible polyurethane cellular products including a novel cell opening technique
US7083849B1 (en) 1999-06-04 2006-08-01 3M Innovative Properties Company Breathable polymer foams

Also Published As

Publication number Publication date
LU62448A1 (en) 1971-08-27
FR2077247A1 (en) 1971-10-22
NL7100814A (en) 1971-07-23
FR2077247B1 (en) 1974-09-27
AU2445971A (en) 1972-07-27
CH540767A (en) 1973-08-31
ES386845A1 (en) 1973-04-01
DE2102844A1 (en) 1971-08-05
ZA708518B (en) 1971-11-24
ES387328A1 (en) 1973-05-01
GB1321489A (en) 1973-06-27

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