GB952522A - Improvements in or relating to plaster bandages - Google Patents

Improvements in or relating to plaster bandages

Info

Publication number
GB952522A
GB952522A GB3871061A GB3871061A GB952522A GB 952522 A GB952522 A GB 952522A GB 3871061 A GB3871061 A GB 3871061A GB 3871061 A GB3871061 A GB 3871061A GB 952522 A GB952522 A GB 952522A
Authority
GB
United Kingdom
Prior art keywords
plaster
paris
hydroxide
gypsum
slurry
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
GB3871061A
Inventor
Samuel Gourley
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB3871061A priority Critical patent/GB952522A/en
Publication of GB952522A publication Critical patent/GB952522A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/04Plaster of Paris bandages; Other stiffening bandages
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/07Stiffening bandages
    • A61L15/08Stiffening bandages containing inorganic materials, e.g. plaster of Paris

Landscapes

  • Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A plaster composition, primarily for use in a plaster of Paris bandage, comprises plaster of Paris intimately mixed with between 0.1 and 10% of hydroxide of an alkali metal, or an oxide or hydroxide of an alkaline earth metal, and between 0.1 and 10% of a finely divided water-repellent organopolysiloxane. Suitable organopolysiloxanes include those in which the organo group may be an alkyl group, such as methyl or ethyl, an aryl group, such as phenyl, or an unsaturated group such as vinyl or allyl. Those with methyl groups are normally preferred. The constituents may be mixed dry but it is also proposed to form a slurry of the metal hydroxide and poly-siloxane with unburnt gypsum and subsequently to heat it to a temperature sufficiently high to convert the gypsum to plaster of Paris.ALSO:A plaster bandage comprises plaster of Paris intimately mixed with between 0.1 and 10% of hydroxide of an alkali metal, or an oxide or hydroxide of an alkaline earth metal, and between 0.1 and 10% of a finely divided water-repellent solid organopolysiloxane. Suitable organopolysiloxanes include those in which the organo group may be an alkyl group, such as methyl or ethyl, an aryl group, such as phenyl, or an unsaturated group such as vinyl or allyl. Those with methyl groups are normally preferred. The dry constituents, after mixing, may be applied directly to a gauze backing or a slurry may be formed for application to the gauze, but if water is used to form the slurry the application and drying are carried out at above 95 DEG C. to prevent the plaster of Paris setting. It is also proposed, however, to form a slurry of the metal hydroxide and polysiloxane with unburnt gypsum and after this has been applied to the gauze to heat it to a temperature sufficiently high to convert the gypsum to plaster of Paris.
GB3871061A 1961-10-30 1961-10-30 Improvements in or relating to plaster bandages Expired GB952522A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3871061A GB952522A (en) 1961-10-30 1961-10-30 Improvements in or relating to plaster bandages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3871061A GB952522A (en) 1961-10-30 1961-10-30 Improvements in or relating to plaster bandages

Publications (1)

Publication Number Publication Date
GB952522A true GB952522A (en) 1964-03-18

Family

ID=10405211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3871061A Expired GB952522A (en) 1961-10-30 1961-10-30 Improvements in or relating to plaster bandages

Country Status (1)

Country Link
GB (1) GB952522A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455146A (en) * 1979-04-03 1984-06-19 Hisamitsu Pharmaceutical Co., Ltd. Novel plasters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455146A (en) * 1979-04-03 1984-06-19 Hisamitsu Pharmaceutical Co., Ltd. Novel plasters

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