ZA703705B - Water vapour permeable materials - Google Patents

Water vapour permeable materials

Info

Publication number
ZA703705B
ZA703705B ZA703705A ZA703705A ZA703705B ZA 703705 B ZA703705 B ZA 703705B ZA 703705 A ZA703705 A ZA 703705A ZA 703705 A ZA703705 A ZA 703705A ZA 703705 B ZA703705 B ZA 703705B
Authority
ZA
South Africa
Prior art keywords
water vapour
permeable materials
vapour permeable
materials
water
Prior art date
Application number
ZA703705A
Inventor
Eric Albert Warwicker
Original Assignee
Porvair Ltd
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 Porvair Ltd filed Critical Porvair Ltd
Publication of ZA703705B publication Critical patent/ZA703705B/en

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
    • C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
    • 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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/9145—Endless cooling belts
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
ZA703705A 1969-06-03 1970-06-02 Water vapour permeable materials ZA703705B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2807669 1969-06-03

Publications (1)

Publication Number Publication Date
ZA703705B true ZA703705B (en) 1972-01-26

Family

ID=10269894

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA703705A ZA703705B (en) 1969-06-03 1970-06-02 Water vapour permeable materials

Country Status (10)

Country Link
JP (1) JPS5424428B1 (en)
BE (1) BE751421A (en)
CA (1) CA946112A (en)
CS (1) CS185560B2 (en)
DE (1) DE2027304A1 (en)
FR (1) FR2045820B1 (en)
GB (1) GB1317247A (en)
IE (1) IE34879B1 (en)
SU (1) SU420192A3 (en)
ZA (1) ZA703705B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2186354A1 (en) * 1972-03-21 1974-01-11 Brosseau Jacque Impregnating coating and laminating device - includes a horizontal platform having laminating and coating stations and a coagulating bath below the platform
DE2443303A1 (en) * 1974-09-10 1976-03-18 Bayer Ag METHOD AND DEVICE FOR TREATMENT OF FILMS
JPS62148491U (en) * 1987-02-12 1987-09-19

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR581390A (en) * 1924-05-07 1924-11-27 Process for the production of films from solutions of combinations of cellulose, gelatin and similar substances
BE348569A (en) * 1927-02-05 1900-01-01
FR1173001A (en) * 1956-04-10 1959-02-18 Us Rubber Co Manufacture of polyurethane foam sheets

Also Published As

Publication number Publication date
BE751421A (en) 1970-12-03
DE2027304A1 (en) 1970-12-10
JPS5424428B1 (en) 1979-08-21
FR2045820A1 (en) 1971-03-05
FR2045820B1 (en) 1974-07-12
IE34879B1 (en) 1975-09-17
SU420192A3 (en) 1974-03-15
GB1317247A (en) 1973-05-16
IE34879L (en) 1970-12-03
CS185560B2 (en) 1978-10-31
CA946112A (en) 1974-04-30

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