DE2102844A1 - Verfahren zur Herstellung eines offenzelhgen weichelastischen Schaum stoffes und Vorrichtung zur Durchfuhrung dieses Verfahrens - Google Patents

Verfahren zur Herstellung eines offenzelhgen weichelastischen Schaum stoffes und Vorrichtung zur Durchfuhrung dieses Verfahrens

Info

Publication number
DE2102844A1
DE2102844A1 DE19712102844 DE2102844A DE2102844A1 DE 2102844 A1 DE2102844 A1 DE 2102844A1 DE 19712102844 DE19712102844 DE 19712102844 DE 2102844 A DE2102844 A DE 2102844A DE 2102844 A1 DE2102844 A1 DE 2102844A1
Authority
DE
Germany
Prior art keywords
foam
web
cell
stretching
jet
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.)
Pending
Application number
DE19712102844
Other languages
German (de)
English (en)
Inventor
Charles Paramus NJ Ferstenberg (V St A )
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.)
Tenneco Chemicals Inc
Original Assignee
Tenneco Chemicals Inc
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 Chemicals Inc filed Critical Tenneco Chemicals Inc
Publication of DE2102844A1 publication Critical patent/DE2102844A1/de
Priority to AT985071A priority Critical patent/AT321485B/de
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/56After-treatment of articles, e.g. for altering the shape
    • B29C44/5627After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5672After-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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/56After-treatment of articles, e.g. for altering the shape
    • B29C44/5627After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36After-treatment
    • C08J9/38Destruction of cell membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00After-treatment of articles without altering their shape; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/045Condition, 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)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Cleaning In General (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)
DE19712102844 1970-01-21 1971-01-22 Verfahren zur Herstellung eines offenzelhgen weichelastischen Schaum stoffes und Vorrichtung zur Durchfuhrung dieses Verfahrens Pending DE2102844A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT985071A AT321485B (de) 1971-01-22 1971-11-15 Niederdruckgießanlage

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE2102844A1 true DE2102844A1 (de) 1971-08-05

Family

ID=21711309

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712102844 Pending DE2102844A1 (de) 1970-01-21 1971-01-22 Verfahren zur Herstellung eines offenzelhgen weichelastischen Schaum stoffes und Vorrichtung zur Durchfuhrung dieses Verfahrens

Country Status (10)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141882A1 (en) * 1983-11-07 1985-05-22 Union Carbide Corporation Process for making flexible polyurethane cellular products including a cell opening technique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7083849B1 (en) 1999-06-04 2006-08-01 3M Innovative Properties Company Breathable polymer foams

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141882A1 (en) * 1983-11-07 1985-05-22 Union Carbide Corporation Process for making flexible polyurethane cellular products including a cell opening technique

Also Published As

Publication number Publication date
AU2445971A (en) 1972-07-27
NL7100814A (enExample) 1971-07-23
BE761500A (fr) 1971-06-16
ES386845A1 (es) 1973-04-01
FR2077247B1 (enExample) 1974-09-27
ES387328A1 (es) 1973-05-01
GB1321489A (en) 1973-06-27
ZA708518B (en) 1971-11-24
LU62448A1 (enExample) 1971-08-27
CH540767A (fr) 1973-08-31
FR2077247A1 (enExample) 1971-10-22

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