GB2188055B - Hydrophilic polyurethane foams - Google Patents

Hydrophilic polyurethane foams

Info

Publication number
GB2188055B
GB2188055B GB8706609A GB8706609A GB2188055B GB 2188055 B GB2188055 B GB 2188055B GB 8706609 A GB8706609 A GB 8706609A GB 8706609 A GB8706609 A GB 8706609A GB 2188055 B GB2188055 B GB 2188055B
Authority
GB
United Kingdom
Prior art keywords
polyurethane foams
hydrophilic polyurethane
hydrophilic
foams
polyurethane
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
GB8706609A
Other versions
GB8706609D0 (en
GB2188055A (en
Inventor
Sinan Behaeddin Kiamil
Ashok Lallubhei Patel
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.)
Smith and Nephew PLC
Original Assignee
Smith and Nephew PLC
Smith and Nephew Associated Companies PLC
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
Priority claimed from GB868606988A external-priority patent/GB8606988D0/en
Application filed by Smith and Nephew PLC, Smith and Nephew Associated Companies PLC filed Critical Smith and Nephew PLC
Publication of GB8706609D0 publication Critical patent/GB8706609D0/en
Priority claimed from EP87306325A external-priority patent/EP0299122B1/en
Publication of GB2188055A publication Critical patent/GB2188055A/en
Application granted granted Critical
Publication of GB2188055B publication Critical patent/GB2188055B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/425—Porous materials, e.g. foams or sponges
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/2805—Compounds having only one group containing active hydrogen
    • C08G18/2815—Monohydroxy compounds
    • C08G18/283—Compounds containing ether groups, e.g. oxyalkylated monohydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/7806—Nitrogen containing -N-C=0 groups
    • C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
    • C08G18/7831—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing biuret groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0008—Foam properties flexible
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0025—Foam properties rigid
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/0058—≥50 and <150kg/m3
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Polyurethanes Or Polyureas (AREA)
GB8706609A 1986-03-20 1987-03-19 Hydrophilic polyurethane foams Expired GB2188055B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868606988A GB8606988D0 (en) 1986-03-20 1986-03-20 Foams
EP87306325A EP0299122B1 (en) 1987-07-17 1987-07-17 Hydrophilic polyurethane foams

Publications (3)

Publication Number Publication Date
GB8706609D0 GB8706609D0 (en) 1987-04-23
GB2188055A GB2188055A (en) 1987-09-23
GB2188055B true GB2188055B (en) 1989-12-28

Family

ID=26110586

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8706609A Expired GB2188055B (en) 1986-03-20 1987-03-19 Hydrophilic polyurethane foams

Country Status (1)

Country Link
GB (1) GB2188055B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5863958A (en) 1995-01-10 1999-01-26 The Procter & Gamble Company Absorbent article containing a foam comprising crosslinked polymers made from 1,3,7-octatriene and like conjugated polyenes
US5899893A (en) 1995-01-10 1999-05-04 The Procter & Gamble Company Absorbent articles containing foams useful for absorbing blood and blood-based liquids
US6013589A (en) 1998-03-13 2000-01-11 The Procter & Gamble Company Absorbent materials for distributing aqueous liquids
US6083211A (en) 1998-03-13 2000-07-04 The Procter & Gamble Company High suction polymeric foam materials
US6160028A (en) 1998-07-17 2000-12-12 The Procter & Gamble Company Flame retardant microporous polymeric foams
US6231960B1 (en) 1995-03-30 2001-05-15 The Procter & Gamble Company Biodegradable and/or compostable polymers made from conjugated dienes such as isoprene and 2,3-dimethyl-1,3-butadiene
US6245697B1 (en) 1998-11-12 2001-06-12 The Procter & Gamble Company Flexible mat for absorbing liquids comprising polymeric foam materials

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4981880A (en) * 1988-09-23 1991-01-01 The Dow Chemical Company Process for making low density flexible polyisocyanurate-polyurethane foams
US5428104A (en) * 1992-11-27 1995-06-27 Imperial Chemical Industries Plc Polyol compositions
GB9224910D0 (en) * 1992-11-27 1993-01-13 Ici Plc Polyol compositions
US5849805A (en) * 1995-01-10 1998-12-15 The Procter & Gamble Company Process for making foams useful as absorbent members for catamenial pads
US5650222A (en) * 1995-01-10 1997-07-22 The Procter & Gamble Company Absorbent foam materials for aqueous fluids made from high internal phase emulsions having very high water-to-oil ratios
US5563179A (en) * 1995-01-10 1996-10-08 The Proctor & Gamble Company Absorbent foams made from high internal phase emulsions useful for acquiring and distributing aqueous fluids
US5770634A (en) * 1995-06-07 1998-06-23 The Procter & Gamble Company Foam materials for insulation, derived from high internal phase emulsions
US5550167A (en) * 1995-08-30 1996-08-27 The Procter & Gamble Company Absorbent foams made from high internal phase emulsions useful for acquiring aqueous fluids
US7875761B2 (en) † 2005-09-26 2011-01-25 Coloplast A/S Bevelled foam

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1066759A (en) * 1964-10-14 1967-04-26 Elekal Method of producing hydrophilic polyurethane foam
GB1360019A (en) * 1970-06-30 1974-07-17 Bayer Ag Process for the production of non-inflammable rigid foams containing urethane groups
GB1388228A (en) * 1972-11-03 1975-03-26 Bayer Ag Process for the production of polyurethane foam
GB1425548A (en) * 1973-03-23 1976-02-18 Bayer Ag Polyurethane elastomers and diisocyanates suitable for use in their preparation
GB1489052A (en) * 1975-08-30 1977-10-19 Bayer Ag Bandages containing water
GB1528612A (en) * 1975-01-27 1978-10-18 Ici Ltd Polyurethane foams and foam composites
GB1562244A (en) * 1976-11-11 1980-03-05 Lock P M Wound dressing materials
GB1571730A (en) * 1976-03-12 1980-07-16 Prb Sa Polyurethane foams
EP0024524A1 (en) * 1979-09-01 1981-03-11 Chemische Werke Hüls Ag Process for producing urethane-modified rigid polyisocyanurate foams and their use in thermic isolation
EP0031207A1 (en) * 1979-12-14 1981-07-01 Imperial Chemical Industries Plc Process for preparing liquid polyisocyanate compositions, and their use
EP0031650A1 (en) * 1979-12-14 1981-07-08 Imperial Chemical Industries Plc Process for preparing liquid polyisocyanate compositions, and their use

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1066759A (en) * 1964-10-14 1967-04-26 Elekal Method of producing hydrophilic polyurethane foam
GB1360019A (en) * 1970-06-30 1974-07-17 Bayer Ag Process for the production of non-inflammable rigid foams containing urethane groups
GB1388228A (en) * 1972-11-03 1975-03-26 Bayer Ag Process for the production of polyurethane foam
GB1425548A (en) * 1973-03-23 1976-02-18 Bayer Ag Polyurethane elastomers and diisocyanates suitable for use in their preparation
GB1528612A (en) * 1975-01-27 1978-10-18 Ici Ltd Polyurethane foams and foam composites
GB1489052A (en) * 1975-08-30 1977-10-19 Bayer Ag Bandages containing water
GB1571730A (en) * 1976-03-12 1980-07-16 Prb Sa Polyurethane foams
GB1562244A (en) * 1976-11-11 1980-03-05 Lock P M Wound dressing materials
EP0024524A1 (en) * 1979-09-01 1981-03-11 Chemische Werke Hüls Ag Process for producing urethane-modified rigid polyisocyanurate foams and their use in thermic isolation
EP0031207A1 (en) * 1979-12-14 1981-07-01 Imperial Chemical Industries Plc Process for preparing liquid polyisocyanate compositions, and their use
EP0031650A1 (en) * 1979-12-14 1981-07-08 Imperial Chemical Industries Plc Process for preparing liquid polyisocyanate compositions, and their use

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5863958A (en) 1995-01-10 1999-01-26 The Procter & Gamble Company Absorbent article containing a foam comprising crosslinked polymers made from 1,3,7-octatriene and like conjugated polyenes
US5899893A (en) 1995-01-10 1999-05-04 The Procter & Gamble Company Absorbent articles containing foams useful for absorbing blood and blood-based liquids
US5922780A (en) 1995-01-10 1999-07-13 The Procter & Gamble Company Crosslinked polymers made from 1,3,7-octatriene and like conjugated polyenes
US6231960B1 (en) 1995-03-30 2001-05-15 The Procter & Gamble Company Biodegradable and/or compostable polymers made from conjugated dienes such as isoprene and 2,3-dimethyl-1,3-butadiene
US6013589A (en) 1998-03-13 2000-01-11 The Procter & Gamble Company Absorbent materials for distributing aqueous liquids
US6083211A (en) 1998-03-13 2000-07-04 The Procter & Gamble Company High suction polymeric foam materials
US6160028A (en) 1998-07-17 2000-12-12 The Procter & Gamble Company Flame retardant microporous polymeric foams
US6245697B1 (en) 1998-11-12 2001-06-12 The Procter & Gamble Company Flexible mat for absorbing liquids comprising polymeric foam materials

Also Published As

Publication number Publication date
GB8706609D0 (en) 1987-04-23
GB2188055A (en) 1987-09-23

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Legal Events

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

Effective date: 20040319