FR2088597A5 - Grafted silicone resins - with vinyl pyrrolidone by heating - Google Patents

Grafted silicone resins - with vinyl pyrrolidone by heating

Info

Publication number
FR2088597A5
FR2088597A5 FR7013997A FR7013997A FR2088597A5 FR 2088597 A5 FR2088597 A5 FR 2088597A5 FR 7013997 A FR7013997 A FR 7013997A FR 7013997 A FR7013997 A FR 7013997A FR 2088597 A5 FR2088597 A5 FR 2088597A5
Authority
FR
Grant status
Application
Patent type
Prior art keywords
heating
vinyl pyrrolidone
silicone resins
grafted silicone
grafted
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
FR7013997A
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.)
Agence National de Valorisation de la Recherche ANVAR
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/12Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/12Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
    • C08F283/124Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes on to polysiloxanes having carbon-to-carbon double bonds

Abstract

Preparing graft copolymers by heating a silicone resin in the presence of vinylpyrrolidone at >110 degrees C. The process is simpler than prior art processes and gives good yields. The grafted resins have improved hydrophilic properties and are useful as prosthetics, contact lenses etc.
FR7013997A 1970-04-17 1970-04-17 Grafted silicone resins - with vinyl pyrrolidone by heating Expired FR2088597A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7013997A FR2088597A5 (en) 1970-04-17 1970-04-17 Grafted silicone resins - with vinyl pyrrolidone by heating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7013997A FR2088597A5 (en) 1970-04-17 1970-04-17 Grafted silicone resins - with vinyl pyrrolidone by heating

Publications (1)

Publication Number Publication Date
FR2088597A5 true true FR2088597A5 (en) 1972-01-07

Family

ID=9054168

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7013997A Expired FR2088597A5 (en) 1970-04-17 1970-04-17 Grafted silicone resins - with vinyl pyrrolidone by heating

Country Status (1)

Country Link
FR (1) FR2088597A5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832458A (en) * 1971-12-06 1974-08-27 River C Foundation Hydrophilic silicone composition and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832458A (en) * 1971-12-06 1974-08-27 River C Foundation Hydrophilic silicone composition and method

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Legal Events

Date Code Title Description
ST Notification of lapse