AT342295B - METHOD FOR PRODUCING A HYDROGEL - Google Patents

METHOD FOR PRODUCING A HYDROGEL

Info

Publication number
AT342295B
AT342295B AT15475A AT15475A AT342295B AT 342295 B AT342295 B AT 342295B AT 15475 A AT15475 A AT 15475A AT 15475 A AT15475 A AT 15475A AT 342295 B AT342295 B AT 342295B
Authority
AT
Austria
Prior art keywords
hydrogel
producing
Prior art date
Application number
AT15475A
Other languages
German (de)
Other versions
ATA15475A (en
Original Assignee
Cpc International 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
Priority claimed from US432788A external-priority patent/US3928255A/en
Application filed by Cpc International Inc filed Critical Cpc International Inc
Publication of ATA15475A publication Critical patent/ATA15475A/en
Application granted granted Critical
Publication of AT342295B publication Critical patent/AT342295B/en

Links

Classifications

    • 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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C19/00—Chemical modification of rubber
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/04—Polymerisation in solution
    • C08F2/06—Organic solvent
    • C08F2/08—Organic solvent with the aid of dispersing agents for the polymer
    • 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
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • 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
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/04—Polymers provided for in subclasses C08C or C08F
    • 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
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/04—Polymers provided for in subclasses C08C or C08F
    • C08F290/044—Polymers of aromatic monomers as defined in group C08F12/00
    • 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
    • C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
    • 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
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/02—Alkylation
    • 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
    • C08F8/08—Epoxidation
    • 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
    • C08F8/12—Hydrolysis
    • 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
    • C08F8/14—Esterification
    • 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
    • C08F8/44—Preparation of metal salts or ammonium salts
    • 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
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
    • C08G18/6204—Polymers of olefins
    • 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
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/30—Chemical modification of a polymer leading to the formation or introduction of aliphatic or alicyclic unsaturated groups
    • 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
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/40—Chemical modification of a polymer taking place solely at one end or both ends of the polymer backbone, i.e. not in the side or lateral chains

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Graft Or Block Polymers (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Eyeglasses (AREA)
  • Materials For Medical Uses (AREA)
  • External Artificial Organs (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
AT15475A 1974-01-11 1975-01-10 METHOD FOR PRODUCING A HYDROGEL AT342295B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US432788A US3928255A (en) 1971-02-22 1974-01-11 Chemically joined, phase separated self-cured hydrophilic thermoplastic graft copolymers and their preparation

Publications (2)

Publication Number Publication Date
ATA15475A ATA15475A (en) 1977-07-15
AT342295B true AT342295B (en) 1978-03-28

Family

ID=23717592

Family Applications (1)

Application Number Title Priority Date Filing Date
AT15475A AT342295B (en) 1974-01-11 1975-01-10 METHOD FOR PRODUCING A HYDROGEL

Country Status (18)

Country Link
JP (2) JPS6015647B2 (en)
AT (1) AT342295B (en)
BE (1) BE824306A (en)
BR (1) BR7500180A (en)
CA (1) CA1083290A (en)
DD (1) DD116461A5 (en)
DE (1) DE2500494A1 (en)
DK (1) DK151816C (en)
ES (1) ES433703A1 (en)
FI (1) FI750060A (en)
FR (1) FR2273018B1 (en)
GB (1) GB1496931A (en)
IT (1) IT1030092B (en)
NL (1) NL182317C (en)
NO (1) NO750074L (en)
NZ (1) NZ176356A (en)
SE (2) SE428212B (en)
ZA (1) ZA75145B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2744125B1 (en) * 1996-01-30 1998-06-05 Peintures Jefco GRAFT COPOLYMERS, THEIR MANUFACTURING METHOD, THE COMPOSITIONS CONTAINING THEM AND THEIR USE FOR THE PREPARATION OF PIGMENTAL DISPERSIONS IN AQUEOUS AND / OR ORGANIC MEDIA
JP4255192B2 (en) * 1999-12-21 2009-04-15 東レ・ダウコーニング株式会社 Fluorine-containing organopolysiloxane, dispersibility improver of fluororesin powder, and organic resin composition
US20060281888A1 (en) * 2005-06-13 2006-12-14 Alcon, Inc. Ophthalmic and otorhinolaryngological device materials
TW200816966A (en) * 2006-07-21 2008-04-16 Alcon Mfg Ltd Low-tack ophthalmic and otorhinolaryngological device materials

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976576A (en) * 1956-04-24 1961-03-28 Wichterle Otto Process for producing shaped articles from three-dimensional hydrophilic high polymers
US3220960A (en) * 1960-12-21 1965-11-30 Wichterle Otto Cross-linked hydrophilic polymers and articles made therefrom
US3503942A (en) * 1965-10-23 1970-03-31 Maurice Seiderman Hydrophilic plastic contact lens
US3758448A (en) * 1971-10-05 1973-09-11 Union Optics Corp Copolymers and hydrogels of unsaturated esters
GB1432783A (en) * 1972-04-14 1976-04-22 Cpc International Inc Macromolecular monomers

Also Published As

Publication number Publication date
SE449997B (en) 1987-06-01
ZA75145B (en) 1976-04-28
IT1030092B (en) 1979-03-30
DK151816C (en) 1988-06-13
JPS60186516A (en) 1985-09-24
FI750060A (en) 1975-07-12
DE2500494A1 (en) 1975-07-17
JPS6015647B2 (en) 1985-04-20
NL7500340A (en) 1975-07-15
SE7500142L (en) 1975-07-12
JPS50116586A (en) 1975-09-11
FR2273018A1 (en) 1975-12-26
NL182317B (en) 1987-09-16
DK3775A (en) 1975-08-25
NZ176356A (en) 1978-06-20
BR7500180A (en) 1975-11-04
ES433703A1 (en) 1977-02-16
AU7723875A (en) 1976-07-15
ATA15475A (en) 1977-07-15
GB1496931A (en) 1978-01-05
NL182317C (en) 1988-02-16
NO750074L (en) 1975-08-04
DK151816B (en) 1988-01-04
SE8300048L (en) 1983-01-05
SE428212B (en) 1983-06-13
CA1083290A (en) 1980-08-05
DE2500494C2 (en) 1990-03-08
FR2273018B1 (en) 1980-05-23
SE8300048D0 (en) 1983-01-05
DD116461A5 (en) 1975-11-20
JPS6116762B2 (en) 1986-05-02
BE824306A (en) 1975-07-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee