CA1136317A - Process for preparing hydrogels as spherical beads of large size - Google Patents

Process for preparing hydrogels as spherical beads of large size

Info

Publication number
CA1136317A
CA1136317A CA000307599A CA307599A CA1136317A CA 1136317 A CA1136317 A CA 1136317A CA 000307599 A CA000307599 A CA 000307599A CA 307599 A CA307599 A CA 307599A CA 1136317 A CA1136317 A CA 1136317A
Authority
CA
Canada
Prior art keywords
water
process according
monomer
weight
insoluble
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
CA000307599A
Other languages
English (en)
French (fr)
Inventor
Karl F. Muller
Sonia J. Heiber
Walter L. Plankl
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.)
BASF Schweiz AG
Original Assignee
Ciba Geigy Investments 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 Ciba Geigy Investments Ltd filed Critical Ciba Geigy Investments Ltd
Application granted granted Critical
Publication of CA1136317A publication Critical patent/CA1136317A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08F290/06—Polymers provided for in subclass C08G
    • 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
    • C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/20—Esters of polyhydric alcohols or phenols, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate
    • 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
    • C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Medicinal Preparation (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
CA000307599A 1977-07-20 1978-07-18 Process for preparing hydrogels as spherical beads of large size Expired CA1136317A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81740477A 1977-07-20 1977-07-20
US817,404 1986-01-09

Publications (1)

Publication Number Publication Date
CA1136317A true CA1136317A (en) 1982-11-23

Family

ID=25223018

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000307599A Expired CA1136317A (en) 1977-07-20 1978-07-18 Process for preparing hydrogels as spherical beads of large size

Country Status (7)

Country Link
EP (1) EP0000507B1 (de)
JP (1) JPS5440891A (de)
AT (1) AT366066B (de)
CA (1) CA1136317A (de)
DE (1) DE2862045D1 (de)
DK (1) DK149002C (de)
ES (1) ES471862A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8912247B2 (en) 2005-04-29 2014-12-16 Mayo Foundation For Medical Education And Research Hydrophilic/hydrophobic polymer networks based on poly(caprolactone fumarate), poly(ethylene glycol fumarate), and copolymers thereof
US9255178B2 (en) 2004-11-12 2016-02-09 Mayo Foundation For Medical Education And Research Photocrosslinkable poly (caprolactone fumarate)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4914170A (en) * 1987-11-17 1990-04-03 Rohm And Haas Company Superabsorbent polymeric compositions and process for producing the same
ATE154049T1 (de) * 1988-02-26 1997-06-15 Ciba Geigy Ag Benetzbares, biegsames, sauerstoffdurchlässiges, quellbares polymer mit polyoxyalkyleneinheiten in der hauptkette und kontaktlinse
AU638239B2 (en) * 1989-03-23 1993-06-24 Nippon Shokubai Co., Ltd. Crosslinked spherical fine particles and process for producing the same; coating composition and peelable pressure-sensitive adhesive containing said crosslinked spherical fine particles; and article containing them in the form of laminar composite
FR2759702B1 (fr) 1997-02-14 1999-04-02 Essilor Int Compositions polymerisables comprenant un oligomere urethane comme agent de reticulation, polymeres et polymeres hydrates obtenus a partir de ces compositions, et articles finis et semi-finis formes a partir de ces polymeres
JP2005526879A (ja) * 2002-03-11 2005-09-08 ファースト ウォーター リミテッド 吸収性ハイドロゲル
ATE416223T1 (de) * 2003-08-29 2008-12-15 Mayo Foundation Hydrogel-porenbildner zur herstellung von biologisch abbaubaren gerüsten

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2801992A (en) * 1953-08-19 1957-08-06 Distillers Co Yeast Ltd Suspension stabilizer of magnesium hydroxide and excess alkali
CH616694A5 (en) * 1974-06-27 1980-04-15 Ciba Geigy Ag Process for the preparation of crosslinked, water-insoluble, hydrophilic copolymers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9255178B2 (en) 2004-11-12 2016-02-09 Mayo Foundation For Medical Education And Research Photocrosslinkable poly (caprolactone fumarate)
US10717813B2 (en) 2004-11-12 2020-07-21 Mayo Foundation For Medical Education And Research Photocrosslinkable poly(caprolactone fumarate)
US8912247B2 (en) 2005-04-29 2014-12-16 Mayo Foundation For Medical Education And Research Hydrophilic/hydrophobic polymer networks based on poly(caprolactone fumarate), poly(ethylene glycol fumarate), and copolymers thereof

Also Published As

Publication number Publication date
EP0000507B1 (de) 1982-09-29
EP0000507A1 (de) 1979-02-07
DK322778A (da) 1979-01-21
ATA523278A (de) 1981-07-15
ES471862A1 (es) 1979-02-01
DE2862045D1 (en) 1982-11-11
JPS5440891A (en) 1979-03-31
JPS614401B2 (de) 1986-02-10
AT366066B (de) 1982-03-10
DK149002C (da) 1986-08-25
DK149002B (da) 1985-12-16

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