CA1048675A - Lentille de contact souple et son procede de fabrication_ - Google Patents
Lentille de contact souple et son procede de fabrication_Info
- Publication number
- CA1048675A CA1048675A CA74205353A CA205353A CA1048675A CA 1048675 A CA1048675 A CA 1048675A CA 74205353 A CA74205353 A CA 74205353A CA 205353 A CA205353 A CA 205353A CA 1048675 A CA1048675 A CA 1048675A
- Authority
- CA
- Canada
- Prior art keywords
- graft copolymer
- silicone
- contact lens
- irradiation
- substrate
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 34
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 22
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 21
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 210000004087 cornea Anatomy 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 229920006035 cross-linked graft co-polymer Polymers 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims description 26
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 15
- 229920001577 copolymer Polymers 0.000 claims description 13
- 229920000578 graft copolymer Polymers 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 238000004132 cross linking Methods 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 239000012298 atmosphere Substances 0.000 claims description 2
- 230000005865 ionizing radiation Effects 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
- 230000035699 permeability Effects 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 201000009310 astigmatism Diseases 0.000 description 4
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 229920005645 diorganopolysiloxane polymer Polymers 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000007794 irritation Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 229920003073 plasdone K polymer Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920005573 silicon-containing polymer Polymers 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001331845 Equus asinus x caballus Species 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 229920005605 branched copolymer Polymers 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 239000011243 crosslinked material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 231100001032 irritation of the eye Toxicity 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 230000002101 lytic effect Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000963 oxybis(methylene) group Chemical group [H]C([H])(*)OC([H])([H])* 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 206010037833 rales Diseases 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
- -1 ~ utyle Chemical group 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- B29D11/00865—Applying coatings; tinting; colouring
-
- 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
-
- 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
- C08F283/128—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes on to reaction products of polysiloxanes having at least one Si-H bond and compounds having carbon-to-carbon double bonds
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Eyeglasses (AREA)
- Graft Or Block Polymers (AREA)
- Silicon Polymers (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7328665A FR2240463B1 (cs) | 1973-08-06 | 1973-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1048675A true CA1048675A (fr) | 1979-02-13 |
Family
ID=9123626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA74205353A Expired CA1048675A (fr) | 1973-08-06 | 1974-07-22 | Lentille de contact souple et son procede de fabrication_ |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS5046144A (cs) |
| AR (1) | AR200614A1 (cs) |
| AT (1) | AT335768B (cs) |
| BE (1) | BE817877A (cs) |
| BR (1) | BR7406271D0 (cs) |
| CA (1) | CA1048675A (cs) |
| CH (1) | CH588089A5 (cs) |
| CS (1) | CS208106B2 (cs) |
| DE (1) | DE2436750C3 (cs) |
| ES (1) | ES428975A1 (cs) |
| FR (1) | FR2240463B1 (cs) |
| GB (1) | GB1471456A (cs) |
| IT (1) | IT1021099B (cs) |
| NL (1) | NL7410472A (cs) |
| SU (1) | SU614752A3 (cs) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4169119A (en) * | 1976-04-15 | 1979-09-25 | Permavision | Method of molding an ocular membrane |
| US4143949A (en) * | 1976-10-28 | 1979-03-13 | Bausch & Lomb Incorporated | Process for putting a hydrophilic coating on a hydrophobic contact lens |
| US4826889A (en) * | 1978-07-18 | 1989-05-02 | Polymer Technology, Corp. | Dimensionally stable oxygen permeable hard contact lens material and method of manufacture |
| US8507577B2 (en) * | 2006-10-31 | 2013-08-13 | Johnson & Johnson Vision Care, Inc. | Process for forming clear, wettable silicone hydrogel articles |
| US8807076B2 (en) * | 2010-03-12 | 2014-08-19 | Johnson & Johnson Vision Care, Inc. | Apparatus for vapor phase processing ophthalmic devices |
-
1973
- 1973-08-06 FR FR7328665A patent/FR2240463B1/fr not_active Expired
-
1974
- 1974-07-18 CH CH991374A patent/CH588089A5/xx not_active IP Right Cessation
- 1974-07-19 BE BE146758A patent/BE817877A/xx not_active IP Right Cessation
- 1974-07-22 CA CA74205353A patent/CA1048675A/fr not_active Expired
- 1974-07-30 BR BR627174A patent/BR7406271D0/pt unknown
- 1974-07-30 DE DE19742436750 patent/DE2436750C3/de not_active Expired
- 1974-07-31 AR AR25498274A patent/AR200614A1/es active
- 1974-07-31 GB GB3381174A patent/GB1471456A/en not_active Expired
- 1974-08-02 JP JP8896374A patent/JPS5046144A/ja active Pending
- 1974-08-05 NL NL7410472A patent/NL7410472A/xx not_active Application Discontinuation
- 1974-08-05 AT AT638074A patent/AT335768B/de not_active IP Right Cessation
- 1974-08-05 SU SU742051194A patent/SU614752A3/ru active
- 1974-08-06 IT IT2601574A patent/IT1021099B/it active
- 1974-08-06 CS CS556174A patent/CS208106B2/cs unknown
-
1976
- 1976-09-03 ES ES76428975A patent/ES428975A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2436750B2 (de) | 1978-03-30 |
| CH588089A5 (cs) | 1977-05-31 |
| DE2436750A1 (de) | 1975-02-27 |
| FR2240463B1 (cs) | 1976-04-30 |
| DE2436750C3 (de) | 1978-11-30 |
| IT1021099B (it) | 1978-01-30 |
| BR7406271D0 (pt) | 1975-05-27 |
| JPS5046144A (cs) | 1975-04-24 |
| ES428975A1 (es) | 1976-12-16 |
| ATA638074A (de) | 1976-07-15 |
| BE817877A (fr) | 1974-11-18 |
| AR200614A1 (es) | 1974-11-22 |
| SU614752A3 (ru) | 1978-07-05 |
| CS208106B2 (en) | 1981-08-31 |
| GB1471456A (en) | 1977-04-27 |
| AT335768B (de) | 1977-03-25 |
| NL7410472A (nl) | 1975-02-10 |
| FR2240463A1 (cs) | 1975-03-07 |
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