GB2232674B - Microporous organic foam products - Google Patents

Microporous organic foam products

Info

Publication number
GB2232674B
GB2232674B GB9010639A GB9010639A GB2232674B GB 2232674 B GB2232674 B GB 2232674B GB 9010639 A GB9010639 A GB 9010639A GB 9010639 A GB9010639 A GB 9010639A GB 2232674 B GB2232674 B GB 2232674B
Authority
GB
United Kingdom
Prior art keywords
foam products
organic foam
microporous organic
microporous
products
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 - Fee Related
Application number
GB9010639A
Other versions
GB9010639D0 (en
GB2232674A (en
Inventor
Michael John Baker
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB9010639D0 publication Critical patent/GB9010639D0/en
Publication of GB2232674A publication Critical patent/GB2232674A/en
Application granted granted Critical
Publication of GB2232674B publication Critical patent/GB2232674B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/14—Macromolecular materials
    • A61L27/16—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/14—Macromolecular materials
    • A61L27/18—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/14—Macromolecular materials
    • A61L27/26—Mixtures of macromolecular compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L27/56—Porous materials, e.g. foams or sponges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0031—Degasification of liquids by filtration
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
    • C08J2201/0543—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being organic
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0545—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition
    • C08J2201/0546—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition the non-solvent being organic

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Transplantation (AREA)
  • Epidemiology (AREA)
  • Dermatology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
GB9010639A 1989-05-12 1990-05-11 Microporous organic foam products Expired - Fee Related GB2232674B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898910959A GB8910959D0 (en) 1989-05-12 1989-05-12 Microporous organic foam products

Publications (3)

Publication Number Publication Date
GB9010639D0 GB9010639D0 (en) 1990-07-04
GB2232674A GB2232674A (en) 1990-12-19
GB2232674B true GB2232674B (en) 1993-07-21

Family

ID=10656645

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898910959A Pending GB8910959D0 (en) 1989-05-12 1989-05-12 Microporous organic foam products
GB9010639A Expired - Fee Related GB2232674B (en) 1989-05-12 1990-05-11 Microporous organic foam products

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898910959A Pending GB8910959D0 (en) 1989-05-12 1989-05-12 Microporous organic foam products

Country Status (1)

Country Link
GB (2) GB8910959D0 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB752358A (en) * 1954-02-01 1956-07-11 British And Foreign Tobacco Co Tobacco smoke filter material
GB984088A (en) * 1961-10-31 1965-02-24 Du Pont Vapour permeable sheet materials
GB1076177A (en) * 1963-10-31 1967-07-19 Goodrich Co B F Improvement in production of micro porous films and coatings
GB2092153A (en) * 1980-12-31 1982-08-11 Akzo Nv Method and apparatus for the production of porous tubes
GB2115425A (en) * 1982-02-15 1983-09-07 Akzo Nv Production of porous structures having adjustable total pore volume size and wall thickness

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB752358A (en) * 1954-02-01 1956-07-11 British And Foreign Tobacco Co Tobacco smoke filter material
GB984088A (en) * 1961-10-31 1965-02-24 Du Pont Vapour permeable sheet materials
GB1076177A (en) * 1963-10-31 1967-07-19 Goodrich Co B F Improvement in production of micro porous films and coatings
GB2092153A (en) * 1980-12-31 1982-08-11 Akzo Nv Method and apparatus for the production of porous tubes
GB2115425A (en) * 1982-02-15 1983-09-07 Akzo Nv Production of porous structures having adjustable total pore volume size and wall thickness

Also Published As

Publication number Publication date
GB9010639D0 (en) 1990-07-04
GB2232674A (en) 1990-12-19
GB8910959D0 (en) 1989-06-28

Similar Documents

Publication Publication Date Title
HK1007706A1 (en) Shaped foam
GB8715530D0 (en) Microporous products
GB8606988D0 (en) Foams
GB8721720D0 (en) Aerosol foam
GB9018407D0 (en) Polymeric foams
GB8706609D0 (en) Foams
GB8902228D0 (en) Carbodiimide-isocyanurate rigid foams
GB2227419B (en) Foam articles
GB2245622B (en) Surfactant-stabilised foams
GB2232674B (en) Microporous organic foam products
GB8808897D0 (en) Source-identified combustion-modified & other foams
GB2249738B (en) Foamed products
GB8927660D0 (en) Eating apparatus
GB8700819D0 (en) Foam articles
GB2276336B (en) Foamed products
GB2239960B (en) Eating apparatus
GB8924121D0 (en) Shaped foam
GB8800555D0 (en) Holding foam based products
GB8700498D0 (en) Foams
IE894074L (en) Foam production device
GB8812684D0 (en) Rigid foams
GB8606990D0 (en) Foams
GB8606989D0 (en) Foams
IE860635L (en) Aerosol foam
IE881130L (en) Expandable bottle

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000511