GB1507345A - Process for inducing the formation of microcavities in solid polymeric materials - Google Patents

Process for inducing the formation of microcavities in solid polymeric materials

Info

Publication number
GB1507345A
GB1507345A GB14183/75A GB1418375A GB1507345A GB 1507345 A GB1507345 A GB 1507345A GB 14183/75 A GB14183/75 A GB 14183/75A GB 1418375 A GB1418375 A GB 1418375A GB 1507345 A GB1507345 A GB 1507345A
Authority
GB
United Kingdom
Prior art keywords
microcavities
inducing
formation
polymeric materials
solid polymeric
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
GB14183/75A
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.)
Consiglio Nazionale delle Richerche CNR
Original Assignee
Consiglio Nazionale delle Richerche CNR
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 Consiglio Nazionale delle Richerche CNR filed Critical Consiglio Nazionale delle Richerche CNR
Publication of GB1507345A publication Critical patent/GB1507345A/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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14—Dynamic membranes
    • B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • B01D69/148—Organic/inorganic mixed matrix membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
GB14183/75A 1974-04-08 1975-04-07 Process for inducing the formation of microcavities in solid polymeric materials Expired GB1507345A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT84114/74A IT1018499B (it) 1974-04-08 1974-04-08 Procedimento per creare permeabili ta ai liquidi ed ai gas in polimeri solidi

Publications (1)

Publication Number Publication Date
GB1507345A true GB1507345A (en) 1978-04-12

Family

ID=11324191

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14183/75A Expired GB1507345A (en) 1974-04-08 1975-04-07 Process for inducing the formation of microcavities in solid polymeric materials

Country Status (10)

Country Link
JP (1) JPS50148464A (enExample)
BE (1) BE827640A (enExample)
DE (1) DE2514860A1 (enExample)
FR (1) FR2266716B3 (enExample)
GB (1) GB1507345A (enExample)
IE (1) IE42330B1 (enExample)
IL (1) IL47038A (enExample)
IT (1) IT1018499B (enExample)
LU (1) LU72232A1 (enExample)
NL (1) NL7503891A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4919579A (en) * 1987-08-24 1990-04-24 Kabushiki Kaisha Miyanaga Anchor construction and method of manufacture
JPH0786365B2 (ja) * 1987-12-18 1995-09-20 株式会社ミヤナガ スリ−ブの製造方法

Also Published As

Publication number Publication date
NL7503891A (nl) 1975-10-10
FR2266716B3 (enExample) 1977-07-01
IT1018499B (it) 1977-09-30
JPS50148464A (enExample) 1975-11-28
BE827640A (fr) 1975-07-31
FR2266716A1 (enExample) 1975-10-31
IE42330B1 (en) 1980-07-16
IE42330L (en) 1975-10-08
IL47038A (en) 1979-01-31
IL47038A0 (en) 1975-06-25
DE2514860A1 (de) 1975-10-16
LU72232A1 (enExample) 1975-08-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee