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AR038688A1 - Proceso de polimerizacion y materiales para aplicaciones biomedicas - Google Patents

Proceso de polimerizacion y materiales para aplicaciones biomedicas

Info

Publication number
AR038688A1
AR038688A1 ARP030100507A ARP030100507A AR038688A1 AR 038688 A1 AR038688 A1 AR 038688A1 AR P030100507 A ARP030100507 A AR P030100507A AR P030100507 A ARP030100507 A AR P030100507A AR 038688 A1 AR038688 A1 AR 038688A1
Authority
AR
Argentina
Prior art keywords
water
hydrogel
polymer
aqueous
composition
Prior art date
Application number
ARP030100507A
Other languages
English (en)
Original Assignee
Zms Llc
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 Zms Llc filed Critical Zms Llc
Publication of AR038688A1 publication Critical patent/AR038688A1/es

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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/062—Copolymers with monomers not covered by C08L33/06
    • 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
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • B29D11/00134—Curing of the contact lens material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G02B1/043—Contact lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04—Contact lenses for the eyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Materials For Medical Uses (AREA)
  • Eyeglasses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

Un componente, o artículo, moldeado, para uso biomédico, es preparado a partir de un polímero reticulable en agua que al ser reticulado y saturado con agua forma un hidrogel. El polímero es formulado en forma de una composición que contiene un diluyente no acuoso además del polímero, hallándose el diluyente presente en una proporción volumétrica que es sustancialmente igual a la proporción volumétrica del agua en el hidrogel que sería formada cuando el polímero está reticulado y saturado con agua. La composición es colada en un molde en la cual la composición es expuesta a condiciones que hacen que tenga lugar la reticulación mediante una reacción frente a la cual el diluyente no acuosa es inerte. La reacción de reticulación produce un gel no acuoso moldeado que es seguidamente convertido a un hidrogel mediante la sustitución del diluyente no acuoso por un líquido acuoso tal como agua o una solución fisiológica salina. La utilización de una composición de moldeo cuyo curado consiste de manera esencialmente completa en una reticulación, tiene como resultado un proceso de moldeo que implica poca o ninguna retracción, y la integridad dimensional es mantenida durante la formación del hidrogel mediante la utilización del diluyente no acuoso en esencialmente la misma proporción volumétrica que en agua en al hidrogel.
ARP030100507A 2002-02-15 2003-02-14 Proceso de polimerizacion y materiales para aplicaciones biomedicas AR038688A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35757802P 2002-02-15 2002-02-15
US36682802P 2002-03-22 2002-03-22

Publications (1)

Publication Number Publication Date
AR038688A1 true AR038688A1 (es) 2005-01-26

Family

ID=27760468

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP030100507A AR038688A1 (es) 2002-02-15 2003-02-14 Proceso de polimerizacion y materiales para aplicaciones biomedicas

Country Status (11)

Country Link
US (1) US20050090612A1 (es)
EP (1) EP1474719A4 (es)
JP (1) JP2005517802A (es)
KR (1) KR20040083510A (es)
CN (1) CN100349935C (es)
AR (1) AR038688A1 (es)
AU (1) AU2003213037B2 (es)
BR (1) BR0307827A (es)
CA (1) CA2476315A1 (es)
TW (1) TW200306214A (es)
WO (1) WO2003071339A1 (es)

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Also Published As

Publication number Publication date
EP1474719A1 (en) 2004-11-10
CN100349935C (zh) 2007-11-21
BR0307827A (pt) 2005-03-15
KR20040083510A (ko) 2004-10-02
CN1643435A (zh) 2005-07-20
AU2003213037B2 (en) 2006-12-14
TW200306214A (en) 2003-11-16
CA2476315A1 (en) 2003-08-28
JP2005517802A (ja) 2005-06-16
US20050090612A1 (en) 2005-04-28
AU2003213037A1 (en) 2003-09-09
WO2003071339A1 (en) 2003-08-28
EP1474719A4 (en) 2005-12-14

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