DE2324654A1 - Werkstoff zur herstellung einer kontaktlinse und verfahren zur herstellung des werkstoffs - Google Patents
Werkstoff zur herstellung einer kontaktlinse und verfahren zur herstellung des werkstoffsInfo
- Publication number
- DE2324654A1 DE2324654A1 DE2324654A DE2324654A DE2324654A1 DE 2324654 A1 DE2324654 A1 DE 2324654A1 DE 2324654 A DE2324654 A DE 2324654A DE 2324654 A DE2324654 A DE 2324654A DE 2324654 A1 DE2324654 A1 DE 2324654A1
- Authority
- DE
- Germany
- Prior art keywords
- polycarbonate
- siloxane
- lens
- copolymer
- zone
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims description 51
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 238000000034 method Methods 0.000 title claims description 9
- 229920000515 polycarbonate Polymers 0.000 claims description 40
- 239000004417 polycarbonate Substances 0.000 claims description 40
- 229920001296 polysiloxane Polymers 0.000 claims description 38
- 229920001577 copolymer Polymers 0.000 claims description 32
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 18
- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- 210000004087 cornea Anatomy 0.000 claims description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims description 3
- 210000000795 conjunctiva Anatomy 0.000 claims 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 26
- 230000007547 defect Effects 0.000 description 10
- 239000000017 hydrogel Substances 0.000 description 10
- 230000000007 visual effect Effects 0.000 description 10
- -1 dimethylsiloxane Chemical class 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 9
- 229920002379 silicone rubber Polymers 0.000 description 9
- 239000004945 silicone rubber Substances 0.000 description 9
- 238000012937 correction Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- 238000003754 machining Methods 0.000 description 7
- 230000035699 permeability Effects 0.000 description 6
- 201000009310 astigmatism Diseases 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 229920000058 polyacrylate Polymers 0.000 description 3
- 238000001721 transfer moulding Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000744 eyelid Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 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
- B29D11/00009—Production of simple or compound lenses
- B29D11/00019—Production of simple or compound lenses with non-spherical faces, e.g. toric faces
-
- 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
- B29D11/00076—Production of contact lenses enabling passage of fluids, e.g. oxygen, tears, between the area under the lens and the lens exterior
-
- 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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/18—Block or graft polymers
- C08G64/186—Block or graft polymers containing polysiloxane sequences
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/445—Block-or graft-polymers containing polysiloxane sequences containing polyester sequences
- C08G77/448—Block-or graft-polymers containing polysiloxane sequences containing polyester sequences containing polycarbonate sequences
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Mechanical Engineering (AREA)
- Ophthalmology & Optometry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Silicon Polymers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25522072A | 1972-05-19 | 1972-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2324654A1 true DE2324654A1 (de) | 1973-11-29 |
Family
ID=22967363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2324654A Pending DE2324654A1 (de) | 1972-05-19 | 1973-05-16 | Werkstoff zur herstellung einer kontaktlinse und verfahren zur herstellung des werkstoffs |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4956643A (enExample) |
| AU (1) | AU5547673A (enExample) |
| DE (1) | DE2324654A1 (enExample) |
| FR (1) | FR2185653A1 (enExample) |
| IT (1) | IT1048120B (enExample) |
| ZA (1) | ZA732799B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5438098A (en) * | 1991-03-25 | 1995-08-01 | Nippon Petrochemicals Co., Ltd. | Thermoplastic resin composition |
| US5986001A (en) * | 1993-06-16 | 1999-11-16 | Rasor Associates, Inc. | Ocular lens composition and method of formation |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4478981A (en) * | 1982-03-22 | 1984-10-23 | Petrarch Systems Inc. | Mixtures of polyacrylate resins and siloxane carbonate copolymers |
| JPS636522A (ja) * | 1986-06-26 | 1988-01-12 | Tome Sangyo Kk | コンタクトレンズ |
| US5260000A (en) * | 1992-08-03 | 1993-11-09 | Bausch & Lomb Incorporated | Process for making silicone containing hydrogel lenses |
| JP4810099B2 (ja) * | 2005-01-20 | 2011-11-09 | 株式会社メニコン | 透明ゲルおよびそれからなるコンタクトレンズ |
-
1973
- 1973-04-25 ZA ZA732799A patent/ZA732799B/xx unknown
- 1973-05-09 AU AU55476/73A patent/AU5547673A/en not_active Expired
- 1973-05-16 IT IT24158/73A patent/IT1048120B/it active
- 1973-05-16 DE DE2324654A patent/DE2324654A1/de active Pending
- 1973-05-18 JP JP48054808A patent/JPS4956643A/ja active Pending
- 1973-05-18 FR FR7318111A patent/FR2185653A1/fr active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5438098A (en) * | 1991-03-25 | 1995-08-01 | Nippon Petrochemicals Co., Ltd. | Thermoplastic resin composition |
| US5986001A (en) * | 1993-06-16 | 1999-11-16 | Rasor Associates, Inc. | Ocular lens composition and method of formation |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA732799B (en) | 1974-04-24 |
| JPS4956643A (enExample) | 1974-06-01 |
| AU5547673A (en) | 1974-11-14 |
| IT1048120B (it) | 1980-11-20 |
| FR2185653A1 (en) | 1974-01-04 |
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