GB1321489A - Membrane destruction in foamed cellular material - Google Patents

Membrane destruction in foamed cellular material

Info

Publication number
GB1321489A
GB1321489A GB6161670A GB6161670A GB1321489A GB 1321489 A GB1321489 A GB 1321489A GB 6161670 A GB6161670 A GB 6161670A GB 6161670 A GB6161670 A GB 6161670A GB 1321489 A GB1321489 A GB 1321489A
Authority
GB
United Kingdom
Prior art keywords
cellular material
foamed cellular
membrane destruction
destruction
membrane
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
GB6161670A
Other languages
English (en)
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 GB1321489A publication Critical patent/GB1321489A/en
Expired legal-status Critical Current

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)
  • 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)
GB6161670A 1970-01-21 1970-12-29 Membrane destruction in foamed cellular material Expired GB1321489A (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
GB1321489A true GB1321489A (en) 1973-06-27

Family

ID=21711309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6161670A Expired GB1321489A (en) 1970-01-21 1970-12-29 Membrane destruction in foamed cellular material

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
WO2000074916A1 (en) * 1999-06-04 2000-12-14 3M Innovative Properties Company Breathable polymer foams

Families Citing this family (1)

* 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000074916A1 (en) * 1999-06-04 2000-12-14 3M Innovative Properties Company Breathable polymer foams
US7083849B1 (en) 1999-06-04 2006-08-01 3M Innovative Properties Company Breathable polymer foams

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
DE2102844A1 (de) 1971-08-05
ZA708518B (en) 1971-11-24
LU62448A1 (enExample) 1971-08-27
CH540767A (fr) 1973-08-31
FR2077247A1 (enExample) 1971-10-22

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Legal Events

Date Code Title Description
48R Reference inserted (sect. 8/1949)
PS Patent sealed
433D Application made for revocation (sect. 33/1949)
434A Offer to surrender (sect. 34/1949)
4333 Proceeding terminated by surrender of patent under section 34 patents act 1949
433B Case decided by the comptroller ** patent revoked (sect. 33/1949)
PLNP Patent lapsed through nonpayment of renewal fees