BE758823A - Pellicule de polymere microporeux a cellules ouvertes et son obtention - Google Patents

Pellicule de polymere microporeux a cellules ouvertes et son obtention

Info

Publication number
BE758823A
BE758823A BE758823DA BE758823A BE 758823 A BE758823 A BE 758823A BE 758823D A BE758823D A BE 758823DA BE 758823 A BE758823 A BE 758823A
Authority
BE
Belgium
Prior art keywords
obtaining
open
polymer film
microporous polymer
cell microporous
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
M L Druin
J T Loft
S G Plovan
Original Assignee
Celanese 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.)
Publication date
Publication of BE758823A publication Critical patent/BE758823A/xx

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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • B29C55/065—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed in several stretching steps
    • 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
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/001—Tubular films, sleeves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
BE758823D 1969-11-13 Pellicule de polymere microporeux a cellules ouvertes et son obtention BE758823A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87651169A 1969-11-13 1969-11-13
US8471270A 1970-10-28 1970-10-28

Publications (1)

Publication Number Publication Date
BE758823A true BE758823A (fr) 1971-05-12

Family

ID=26771333

Family Applications (1)

Application Number Title Priority Date Filing Date
BE758823D BE758823A (fr) 1969-11-13 Pellicule de polymere microporeux a cellules ouvertes et son obtention

Country Status (8)

Country Link
BE (1) BE758823A (enrdf_load_stackoverflow)
CA (1) CA925671A (enrdf_load_stackoverflow)
CH (1) CH539496A (enrdf_load_stackoverflow)
DE (1) DE2055193C2 (enrdf_load_stackoverflow)
ES (1) ES385526A1 (enrdf_load_stackoverflow)
FR (1) FR2067271B1 (enrdf_load_stackoverflow)
GB (1) GB1287505A (enrdf_load_stackoverflow)
IL (1) IL35643A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843761A (en) * 1973-05-30 1974-10-22 Celanese Corp Process for preparing a thermoplastic microporous film involving a cold stretching step and multiple hot stretching steps
ZA80465B (en) * 1979-02-13 1981-08-26 Celanese Corp Process for preparing hollow microporous polypropylene fibers
US5677360A (en) * 1991-02-13 1997-10-14 Mitsubishi Rayon Co., Ltd. Hydrophilic polymer alloy, fiber and porous membrane comprising this polymer alloy, and methods for preparing them
WO1992014783A1 (en) * 1991-02-13 1992-09-03 Mitsubishi Rayon Co., Ltd. Hydrophilic polymer alloy, fiber and porous film produced therefrom, and production of the same
WO2002103099A1 (en) 2001-06-19 2002-12-27 Kappler Safety Group Vapor permeable, liquid impermeable composite fabric and fabrication process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB887346A (en) * 1959-09-09 1962-01-17 Ici Ltd Linear polyester films and processes for their production
US3426754A (en) * 1964-06-12 1969-02-11 Celanese Corp Breathable medical dressing
FR1544807A (fr) * 1967-09-27 1968-11-08 Celanese Corp Pellicule à cellules ouvertes

Also Published As

Publication number Publication date
FR2067271A1 (enrdf_load_stackoverflow) 1971-08-20
GB1287505A (en) 1972-08-31
DE2055193C2 (de) 1985-09-12
IL35643A0 (en) 1971-02-25
FR2067271B1 (enrdf_load_stackoverflow) 1975-01-10
CA925671A (en) 1973-05-08
DE2055193A1 (de) 1971-05-19
ES385526A1 (es) 1973-10-01
CH539496A (fr) 1973-07-31
IL35643A (en) 1973-07-30

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: CELANESE CORP.

Effective date: 19901112