FR2088597A5 - Grafted silicone resins - with vinyl pyrrolidone by heating - Google Patents
Grafted silicone resins - with vinyl pyrrolidone by heatingInfo
- 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
- France
- 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
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
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/12—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
-
- 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
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/12—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
- C08F283/124—Macromolecular 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.
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 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3832458A (en) * | 1971-12-06 | 1974-08-27 | River C Foundation | Hydrophilic silicone composition and method |
-
1970
- 1970-04-17 FR FR7013997A patent/FR2088597A5/en not_active Expired
Cited By (1)
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 |