MX9707905A - Material de impresion de polivinilsiloxano, mejorado. - Google Patents

Material de impresion de polivinilsiloxano, mejorado.

Info

Publication number
MX9707905A
MX9707905A MX9707905A MX9707905A MX9707905A MX 9707905 A MX9707905 A MX 9707905A MX 9707905 A MX9707905 A MX 9707905A MX 9707905 A MX9707905 A MX 9707905A MX 9707905 A MX9707905 A MX 9707905A
Authority
MX
Mexico
Prior art keywords
improved
wettability
minutes
contact angle
working time
Prior art date
Application number
MX9707905A
Other languages
English (en)
Inventor
Robert V Hare
Original Assignee
Dentsply Int Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23949081&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX9707905(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dentsply Int Inc filed Critical Dentsply Int Inc
Publication of MX9707905A publication Critical patent/MX9707905A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/90—Compositions for taking dental impressions
    • 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
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/12—Polysiloxanes containing silicon bound to hydrogen
    • 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
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic 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
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/70—Siloxanes defined by use of the MDTQ nomenclature
    • 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
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/80—Siloxanes having aromatic substituents, e.g. phenyl side groups

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Preparations (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Se describen composiciones de poliorganosiloxano polimerizable, de dos componentes, mejoradas, particularmente para utilizarse en la elaboracion de impresiones dentales, que tienen resistencia al desgarramiento y capacidad de humectacion mejoradas. La resistencia al desgarramiento mejorada resulta de la inclusion de un polisiloxano cuadrifuncional que tiene un contenido de vinilo de 0.16 a 0.24 m-mol/g. El tiempo de trabajo se mantiene mediante la inclusion de cantidades suficientes de una composicion de retardador que demora el inicio de la polimerizacion del vinilo. La capacidad de humectacion se mejora por incluir un agente tensioactivo, resultando en un ángulo de contacto superficial con el agua, en tres minutos, menor de 50°. El agente tensioactivo escogido tiene un HLB de 8-11, tal que se logre el ángulo de contacto de humedecimiento en menos de dos minutos y permanezca humedo durante todo el tiempo de trabajo de la toma de la impresion, mejorando sustancialmente la calidad de la impresion.
MX9707905A 1995-04-13 1997-10-13 Material de impresion de polivinilsiloxano, mejorado. MX9707905A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/490,690 US5661222A (en) 1995-04-13 1995-04-13 Polyvinylsiloxane impression material

Publications (1)

Publication Number Publication Date
MX9707905A true MX9707905A (es) 1998-07-31

Family

ID=23949081

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9707905A MX9707905A (es) 1995-04-13 1997-10-13 Material de impresion de polivinilsiloxano, mejorado.

Country Status (7)

Country Link
US (2) US5661222A (es)
EP (1) EP0820265B1 (es)
CA (1) CA2218249C (es)
DE (1) DE69634897T2 (es)
MX (1) MX9707905A (es)
TW (1) TW289041B (es)
WO (1) WO1996032088A1 (es)

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Also Published As

Publication number Publication date
DE69634897T2 (de) 2006-05-24
DE69634897D1 (de) 2005-08-04
US5863965A (en) 1999-01-26
CA2218249C (en) 2008-10-07
US5661222A (en) 1997-08-26
EP0820265B1 (en) 2005-06-29
WO1996032088A1 (en) 1996-10-17
CA2218249A1 (en) 1996-10-17
TW289041B (es) 1996-10-21
EP0820265A1 (en) 1998-01-28

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