CA2684870A1 - Ophthalmic lens mold surface energy differential - Google Patents
Ophthalmic lens mold surface energy differential Download PDFInfo
- Publication number
- CA2684870A1 CA2684870A1 CA002684870A CA2684870A CA2684870A1 CA 2684870 A1 CA2684870 A1 CA 2684870A1 CA 002684870 A CA002684870 A CA 002684870A CA 2684870 A CA2684870 A CA 2684870A CA 2684870 A1 CA2684870 A1 CA 2684870A1
- Authority
- CA
- Canada
- Prior art keywords
- mold
- lens
- mold part
- thermal plastic
- surface energy
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 claims abstract description 32
- 239000000654 additive Substances 0.000 claims abstract description 26
- 230000000996 additive effect Effects 0.000 claims abstract description 17
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 50
- -1 styrene-ethylene-ethylene-propylene-styrene Chemical class 0.000 claims description 30
- 238000009472 formulation Methods 0.000 claims description 24
- 239000000017 hydrogel Substances 0.000 claims description 14
- 229920006109 alicyclic polymer Polymers 0.000 claims description 10
- 239000000088 plastic resin Substances 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 229920000098 polyolefin Polymers 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims description 8
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 5
- 230000000977 initiatory effect Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- UURVHRGPGCBHIC-UHFFFAOYSA-N 3-(ethenoxycarbonylamino)propanoic acid 4-[[[[[[[[[[[[[[[[[[[[[[[[[[[4-ethenoxycarbonyloxybutyl(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]butyl ethenyl carbonate 1-ethenylpyrrolidin-2-one ethenyl N-[3-tris(trimethylsilyloxy)silylpropyl]carbamate Chemical compound C=CN1CCCC1=O.OC(=O)CCNC(=O)OC=C.C[Si](C)(C)O[Si](CCCNC(=O)OC=C)(O[Si](C)(C)C)O[Si](C)(C)C.C[Si](C)(CCCCOC(=O)OC=C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)CCCCOC(=O)OC=C UURVHRGPGCBHIC-UHFFFAOYSA-N 0.000 claims description 3
- ZOPSJJCUEOEROC-NSQCPRBHSA-N 3-[[butyl(dimethyl)silyl]oxy-dimethylsilyl]propyl 2-methylprop-2-enoate;n,n-dimethylprop-2-enamide;1-ethenylpyrrolidin-2-one;2-hydroxyethyl 2-methylprop-2-enoate;[(2r)-2-hydroxy-3-[3-[methyl-bis(trimethylsilyloxy)silyl]propoxy]propyl] 2-methylprop-2-enoat Chemical compound CN(C)C(=O)C=C.C=CN1CCCC1=O.CC(=C)C(=O)OCCO.CC(=C)C(=O)OCCOC(=O)C(C)=C.CCCC[Si](C)(C)O[Si](C)(C)CCCOC(=O)C(C)=C.CC(=C)C(=O)OC[C@H](O)COCCC[Si](C)(O[Si](C)(C)C)O[Si](C)(C)C ZOPSJJCUEOEROC-NSQCPRBHSA-N 0.000 claims description 3
- 229920001616 Polymacon Polymers 0.000 claims description 3
- 239000002736 nonionic surfactant Substances 0.000 claims description 3
- NLAIHECABDOZBR-UHFFFAOYSA-M sodium 2,2-bis(2-methylprop-2-enoyloxymethyl)butyl 2-methylprop-2-enoate 2-hydroxyethyl 2-methylprop-2-enoate 2-methylprop-2-enoate Chemical compound [Na+].CC(=C)C([O-])=O.CC(=C)C(=O)OCCO.CCC(COC(=O)C(C)=C)(COC(=O)C(C)=C)COC(=O)C(C)=C NLAIHECABDOZBR-UHFFFAOYSA-M 0.000 claims description 3
- 150000003961 organosilicon compounds Chemical class 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims 9
- 239000000806 elastomer Substances 0.000 claims 9
- 239000004033 plastic Substances 0.000 claims 9
- 239000000155 melt Substances 0.000 claims 2
- 229920006132 styrene block copolymer Polymers 0.000 claims 2
- VCLWNCAUAKTVII-UHFFFAOYSA-N C=C.CC=C.C=CC1=CC=CC=C1 Chemical group C=C.CC=C.C=CC1=CC=CC=C1 VCLWNCAUAKTVII-UHFFFAOYSA-N 0.000 claims 1
- 238000000151 deposition Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 27
- 239000004743 Polypropylene Substances 0.000 description 17
- 229920001155 polypropylene Polymers 0.000 description 13
- 239000000178 monomer Substances 0.000 description 11
- 229920001577 copolymer Polymers 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 7
- 125000002837 carbocyclic group Chemical group 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 5
- 125000003368 amide group Chemical group 0.000 description 5
- 125000004093 cyano group Chemical group *C#N 0.000 description 5
- 229910052736 halogen Inorganic materials 0.000 description 5
- 150000002367 halogens Chemical class 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 5
- 238000013329 compounding Methods 0.000 description 4
- 230000036571 hydration Effects 0.000 description 4
- 238000006703 hydration reaction Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 229920002725 thermoplastic elastomer Polymers 0.000 description 4
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 3
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- 229920002397 thermoplastic olefin Polymers 0.000 description 3
- 239000004713 Cyclic olefin copolymer Substances 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- YQEMORVAKMFKLG-UHFFFAOYSA-N glycerine monostearate Natural products CCCCCCCCCCCCCCCCCC(=O)OC(CO)CO YQEMORVAKMFKLG-UHFFFAOYSA-N 0.000 description 2
- SVUQHVRAGMNPLW-UHFFFAOYSA-N glycerol monostearate Natural products CCCCCCCCCCCCCCCCC(=O)OCC(O)CO SVUQHVRAGMNPLW-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 2
- 229920005604 random copolymer Polymers 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 240000000015 Iris germanica Species 0.000 description 1
- 206010052143 Ocular discomfort Diseases 0.000 description 1
- 241000245032 Trillium Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000001995 cyclobutyl group Chemical class [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000000582 cycloheptyl group Chemical class [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000000113 cyclohexyl group Chemical class [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000000640 cyclooctyl group Chemical class [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical class [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007516 diamond turning Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000004384 eye physiology Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000887 hydrating effect Effects 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- NYMPGSQKHIOWIO-UHFFFAOYSA-N hydroxy(diphenyl)silicon Chemical class C=1C=CC=CC=1[Si](O)C1=CC=CC=C1 NYMPGSQKHIOWIO-UHFFFAOYSA-N 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000012968 metallocene catalyst Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002847 norbornane derivatives Chemical class 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007152 ring opening metathesis polymerisation reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- 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
- B29D11/00192—Demoulding, e.g. separating lenses from mould halves
-
- 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
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US91307807P | 2007-04-20 | 2007-04-20 | |
| US60/913,078 | 2007-04-20 | ||
| US11/753,198 US20080290534A1 (en) | 2007-05-24 | 2007-05-24 | Ophthalmic lens mold surface energy differential |
| US11/753,198 | 2007-05-24 | ||
| PCT/US2008/061004 WO2008131329A1 (en) | 2007-04-20 | 2008-04-21 | Ophthalmic lens mold surface energy differential |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2684870A1 true CA2684870A1 (en) | 2008-10-30 |
Family
ID=39671408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002684870A Abandoned CA2684870A1 (en) | 2007-04-20 | 2008-04-21 | Ophthalmic lens mold surface energy differential |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP2152503A1 (de) |
| JP (1) | JP2010524729A (de) |
| KR (1) | KR20100017185A (de) |
| AR (1) | AR066116A1 (de) |
| AU (1) | AU2008242679A1 (de) |
| BR (1) | BRPI0810237A2 (de) |
| CA (1) | CA2684870A1 (de) |
| RU (1) | RU2009142845A (de) |
| TW (1) | TW200912424A (de) |
| WO (1) | WO2008131329A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090146329A1 (en) * | 2007-12-06 | 2009-06-11 | Changhong Yin | Lens release |
| KR101967130B1 (ko) * | 2011-12-23 | 2019-04-09 | 존슨 앤드 존슨 비젼 케어, 인코포레이티드 | 액정 요소들을 포함하는 가변 광학 안과용 장치 |
| US10386653B2 (en) | 2012-12-21 | 2019-08-20 | Johnson & Johnson Vision Care, Inc. | Variable optic ophthalmic device including liquid crystal elements |
| US11224997B2 (en) | 2014-12-17 | 2022-01-18 | Dsm Ip Assets B.V. | Plastic material for industrial former |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6551531B1 (en) * | 2000-03-22 | 2003-04-22 | Johnson & Johnson Vision Care, Inc. | Molds for making ophthalmic devices |
| US7320587B2 (en) * | 2005-08-09 | 2008-01-22 | Cooper Vision, Inc. | Contact lens molds and systems and methods for producing same |
-
2008
- 2008-04-18 TW TW097114043A patent/TW200912424A/zh unknown
- 2008-04-18 AR ARP080101612A patent/AR066116A1/es unknown
- 2008-04-21 RU RU2009142845/05A patent/RU2009142845A/ru not_active Application Discontinuation
- 2008-04-21 BR BRPI0810237-6A2A patent/BRPI0810237A2/pt not_active Application Discontinuation
- 2008-04-21 CA CA002684870A patent/CA2684870A1/en not_active Abandoned
- 2008-04-21 JP JP2010504307A patent/JP2010524729A/ja active Pending
- 2008-04-21 AU AU2008242679A patent/AU2008242679A1/en not_active Abandoned
- 2008-04-21 WO PCT/US2008/061004 patent/WO2008131329A1/en active Application Filing
- 2008-04-21 EP EP08746429A patent/EP2152503A1/de not_active Withdrawn
- 2008-04-21 KR KR1020097024210A patent/KR20100017185A/ko not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0810237A2 (pt) | 2014-10-29 |
| TW200912424A (en) | 2009-03-16 |
| EP2152503A1 (de) | 2010-02-17 |
| RU2009142845A (ru) | 2011-05-27 |
| KR20100017185A (ko) | 2010-02-16 |
| WO2008131329A1 (en) | 2008-10-30 |
| AR066116A1 (es) | 2009-07-22 |
| AU2008242679A1 (en) | 2008-10-30 |
| JP2010524729A (ja) | 2010-07-22 |
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| US20090146329A1 (en) | Lens release |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |