CA2427864A1 - Solvents useful in the preparation of polymers containing hydrophilic and hydrophobic monomers - Google Patents
Solvents useful in the preparation of polymers containing hydrophilic and hydrophobic monomers Download PDFInfo
- Publication number
- CA2427864A1 CA2427864A1 CA 2427864 CA2427864A CA2427864A1 CA 2427864 A1 CA2427864 A1 CA 2427864A1 CA 2427864 CA2427864 CA 2427864 CA 2427864 A CA2427864 A CA 2427864A CA 2427864 A1 CA2427864 A1 CA 2427864A1
- Authority
- CA
- Canada
- Prior art keywords
- methyl ether
- glycol methyl
- dipropylene glycol
- extracting solvent
- cured polymer
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/02—Chemical treatment or coating of shaped articles made of macromolecular substances with solvents, e.g. swelling agents
-
- 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
- C08G77/04—Polysiloxanes
- C08G77/32—Post-polymerisation treatment
- C08G77/34—Purification
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2383/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2383/04—Polysiloxanes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S134/00—Cleaning and liquid contact with solids
- Y10S134/901—Contact lens
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
Abstract
This invention relates to solvents which may be used to extract polymers that are made of hydrophilic and hydrophobic monomers.
Claims (31)
1. A method of extracting cured polymers comprising hydrophobic and hydrophilic monomers, where the method comprises the steps of treating the cured polymer with an extracting solvent, wherein said extracting solvent when measured at 25 °C
(a) swells the cured polymer from about 0% to about 50%, and (b) has Hansen Solubility Parameters within the ranges of ~H = about [~H cured polymer + 2.5] to about [~H cured polymer -8.5]
~P = about [~P cured polymer + 0.5] to about [~P cured polymer -4.0] and ~D = about [~D cured polymer + 2.5] to about [~D cured polymer -2.0].
(a) swells the cured polymer from about 0% to about 50%, and (b) has Hansen Solubility Parameters within the ranges of ~H = about [~H cured polymer + 2.5] to about [~H cured polymer -8.5]
~P = about [~P cured polymer + 0.5] to about [~P cured polymer -4.0] and ~D = about [~D cured polymer + 2.5] to about [~D cured polymer -2.0].
2. The method of claim 1 wherein said extracting solvent is selected from the group consisting of butyl acetate, propylene glycol methyl ether acetate, dipropylene glycol N-propyl ether, tripropylene glycol N-propyl ether, dipropylene glycol N-butyl ether, dipropylene glycol dimethyl ether dipropylene glycol methyl ether acetate, dipropylene glycol methyl ether, tripropylene glycol methyl ether and mixtures thereof.
3. The method of claim 1 wherein said extracting solvent is selected from the group consisting of butyl acetate, dipropylene glycol dimethyl ether dipropylene glycol methyl ether acetate, dipropylene glycol methyl ether tripropylene glycol methyl ether, and mixtures thereof.
4. The method of claim 1 wherein ~H is about 3.0 to about 14, ~P is about 2 to about 6.6, and ~D is about 14.0 to about 19.
5. The method of claim 1 wherein said extracting solvent comprises dipropylene glycol methyl ether acetate, dipropylene glycol methyl ether, or tripropylene glycol methyl ether.
6. The method of claim 5 wherein said extracting solvent further comprises deionized water.
7. The method of claim 5 wherein said extracting solvent further comprises propylene glycol or deionized water.
8. The method of claim 1 wherein said extracting solvent comprises about 70 to about 98 percent by weight dipropylene glycol methyl ether, or tripropylene glycol methyl ether and about 2 to about 30 percent by weight propylene glycol or deionzed water.
9. The method of claim 1 wherein said extracting solvent comprises about 80 to about 90 percent by weight dipropylene glycol methyl ether, or tripropylene glycol methyl ether and about 10 to about 20 percent by weight propylene glycol or deionzed water.
10. The method of claim 1, claim 8, or claim 9 wherein said cured polymer is an ophthalmic device.
11. The method of claim 1 wherein the swell of the cured polymer is about 15% to about 40%.
12. A method of releasing and extracting cured polymers comprising hydrophobic and hydrophilic monomers, where the method comprises the steps of treating the cured polymer with an extracting solvent, wherein said'extracting solvent when measured at 25 °C
(a) swells the cured polymer to at least about 15% and (b) has Hansen Solubility Parameters within the ranges of ~H = about [~H cured polymer + 2.5] to about [~H cured polymer -8.5]
~P = about [~P cured polymer + 0.5] to about [~P cured polymer -4.0] and ~D = about [~D cured polymer + 2.5] to about [~D cured polymer -2.0].
(a) swells the cured polymer to at least about 15% and (b) has Hansen Solubility Parameters within the ranges of ~H = about [~H cured polymer + 2.5] to about [~H cured polymer -8.5]
~P = about [~P cured polymer + 0.5] to about [~P cured polymer -4.0] and ~D = about [~D cured polymer + 2.5] to about [~D cured polymer -2.0].
13. The method of claim 12 wherein said extracting solvent is selected from the group consisting of butyl acetate, propylene glycol methyl ether acetate, dipropylene glycol N-propyl ether, tripropylene glycol N-propyl ether, dipropylene glycol N-butyl ether, dipropylene glycol dimethyl ether dipropylene glycol methyl ether acetate, dipropylene glycol methyl ether, tripropylene glycol methyl ether and mixtures thereof.
14. The method of claim 12 wherein said extracting solvent is selected from the group consisting of butyl acetate, dipropylene glycol dimethyl ether dipropylene glycol methyl ether acetate, dipropylene glycol methyl ether tripropylene glycol methyl ether, and mixtures thereof.
15. The method of claim 12 wherein ~H is about 3.0 to about 14, ~P is about 2 to about 6.6, and 8D is about 14.0 to about 19.
16. The method of claim 12 wherein said extracting solvent comprises dipropylene glycol methyl ether acetate, dipropylene glycol methyl ether, or tripropylene glycol methyl ether.
17. The method of claim 16 wherein said extracting solvent further comprises deionized water.
18. The method of claim 16 wherein said extracting solvent further comprises propylene glycol.
19. The method of claim 12 wherein said extracting solvent comprises about 80 to about 90 percent by weight dipropylene glycol methyl ether, or tripropylene glycol methyl ether and about 10 to about 20 percent by weight propylene glycol or deionzed water.
20. The method of claim 12 wherein said extracting solvent comprises about 70 to about 98 percent by weight dipropylene glycol methyl ether, or tripropylene glycol methyl ether and about 2 to about 30 percent by weight propylene glycol or deionzed water.
21. The method of claim 12 wherein said cured polymer is a contact lens.
22. The method of claim 12 wherein the swell of the cured polymer is about 15% to about 40%.
23. A polymer that is prepared by a method of extracting cured polymers comprising hydrophobic and hydrophilic monomers, where the method comprises the steps of treating the cured polymer with an extracting solvent, wherein said extracting solvent when measured at 25 °C
(a) swells the cured polymer from about 0% to about 50% and (b) has Hansen Solubility Parameters within the ranges of ~H = about [~H cured polymer + 2.5] to about [~H cured polymer -8.5]
~P = about [~P cured polymer + 0.5] to about [~P cured polymer -4.0] and ~D = about [~D cured polymer + 2.5] to about [~D cured polymer -2.0].
(a) swells the cured polymer from about 0% to about 50% and (b) has Hansen Solubility Parameters within the ranges of ~H = about [~H cured polymer + 2.5] to about [~H cured polymer -8.5]
~P = about [~P cured polymer + 0.5] to about [~P cured polymer -4.0] and ~D = about [~D cured polymer + 2.5] to about [~D cured polymer -2.0].
24. The polymer of claim 23 wherein said extracting solvent is selected from the group consisting of butyl acetate, propylene glycol methyl ether acetate, dipropylene glycol N-propyl ether, tripropylene glycol N-propyl ether, dipropylene glycol N-butyl ether, dipropylene glycol dimethyl ether dipropylene glycol methyl ether acetate, dipropylene glycol methyl ether, tripropylene glycol methyl ether and mixtures thereof.
25. The polymer of claim 23 wherein said extracting solvent is selected from the group consisting of butyl acetate, dipropylene glycol dimethyl ether dipropylene glycol methyl ether acetate, dipropylene glycol methyl ether tripropylene glycol methyl ether, and mixtures thereof.
26. The polymer of claim 23 wherein ~H is about 3.0 to about 14, ~P is about 2 to about 6.6, and ~D is about 14.0 to about 19.
27. The polymer of claim 23 wherein said extracting solvent comprises dipropylene glycol methyl ether acetate, dipropylene glycol methyl ether, or tripropylene glycol methyl ether.
28. The polymer of claim 27 wherein said extracting solvent further comprises deionized water.
29. The polymer of claim 27 wherein said extracting solvent further comprises propylene glycol.
30. The polymer of claim 23 wherein said extracting solvent comprises about 80 to about 90 percent by weight dipropylene glycol methyl ether, or tripropylene glycol methyl ether and about 10 to about 20 percent by weight propylene glycol or deionzed water.
31. The polymer of claim 23 wherein said extracting solvent comprises about 70 to about 98 percent by weight dipropylene glycol methyl ether, or tripropylene glycol methyl ether and about 2 to about 30 percent by weight propylene glycol or deionzed water.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24551800P | 2000-11-03 | 2000-11-03 | |
US60/245,518 | 2000-11-03 | ||
PCT/US2001/047536 WO2002036669A2 (en) | 2000-11-03 | 2001-10-30 | Solvents useful in the preparation of polymers containing hydrophilic and hydrophobic monomers |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2427864A1 true CA2427864A1 (en) | 2002-05-10 |
CA2427864C CA2427864C (en) | 2010-08-17 |
Family
ID=22927002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2427864 Expired - Lifetime CA2427864C (en) | 2000-11-03 | 2001-10-30 | Solvents useful in the preparation of polymers containing hydrophilic and hydrophobic monomers |
Country Status (13)
Country | Link |
---|---|
US (2) | US6765083B2 (en) |
EP (1) | EP1358256B1 (en) |
JP (1) | JP4769408B2 (en) |
KR (1) | KR20040005856A (en) |
CN (1) | CN1230465C (en) |
AR (1) | AR034273A1 (en) |
AU (2) | AU2733102A (en) |
BR (1) | BR0115118A (en) |
CA (1) | CA2427864C (en) |
DE (1) | DE60123130T2 (en) |
HK (1) | HK1057380A1 (en) |
TW (1) | TW593445B (en) |
WO (1) | WO2002036669A2 (en) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
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US20050158472A1 (en) * | 2002-02-18 | 2005-07-21 | Joachim Karthauser | Methods of treating polymeric subtrates |
US20040091613A1 (en) * | 2002-11-13 | 2004-05-13 | Wood Joe M. | Methods for the extraction of contact lenses |
US20060186564A1 (en) * | 2005-02-22 | 2006-08-24 | Adams Jonathan P | Hydrogel processing |
US20070138668A1 (en) * | 2005-12-21 | 2007-06-21 | Yu-Chin Lai | Process for Extracting Biomedical Devices |
US20070138669A1 (en) * | 2005-12-21 | 2007-06-21 | Yu-Chin Lai | Process for Casting and Extracting Biomedical Devices |
US8414804B2 (en) | 2006-03-23 | 2013-04-09 | Johnson & Johnson Vision Care, Inc. | Process for making ophthalmic lenses |
US20070222095A1 (en) * | 2006-03-23 | 2007-09-27 | Diana Zanini | Process for making ophthalmic lenses |
US8507577B2 (en) * | 2006-10-31 | 2013-08-13 | Johnson & Johnson Vision Care, Inc. | Process for forming clear, wettable silicone hydrogel articles |
CA2671740C (en) | 2006-12-13 | 2015-08-11 | Novartis Ag | Actinically curable silicone hydrogel copolymers and uses thereof |
US7977294B2 (en) * | 2006-12-14 | 2011-07-12 | The Boeing Company | Gelled adhesive remover composition and method of use |
US7759298B2 (en) * | 2006-12-14 | 2010-07-20 | The Boeing Company | Thickened composition and method for removing adhesive residue |
EP2126614B1 (en) * | 2007-03-22 | 2019-04-24 | Novartis AG | Silicone-containing prepolymers with hydrophilic polymeric chains |
BRPI0809271A2 (en) * | 2007-03-22 | 2014-10-14 | Novartis Ag | PRE-POLYMERS WITH POLYMER PENDING CHAINS CONTAINING POLYSILOXAN |
WO2008121644A2 (en) * | 2007-03-30 | 2008-10-09 | Johnson & Johnson Vision Care, Inc. | Preparation of antimicrobial contact lenses with reduced haze using swelling agents |
EP2152251A2 (en) | 2007-04-27 | 2010-02-17 | Medtronic, INC. | Increased drug loading capacity of polymeric material |
US7897202B2 (en) * | 2007-05-18 | 2011-03-01 | The Boeing Company | Gelled solvent composition and method for restoring epoxy graphite composite materials |
US20090032988A1 (en) * | 2007-07-31 | 2009-02-05 | Diana Zanini | Ophthalmic lens processing to decrease dynamic contact angle |
DE102007050428A1 (en) | 2007-10-22 | 2009-04-23 | Catena Additives Gmbh & Co. Kg | Process for the preparation of granules starting from triethanolamine and an alkali or alkaline earth perchlorate |
WO2009070443A1 (en) * | 2007-11-29 | 2009-06-04 | Bausch & Lomb Incorporated | Process for making biomedical devices |
WO2009070429A1 (en) * | 2007-11-29 | 2009-06-04 | Bausch & Lomb Incorporated | Process for making biomedical devices |
US8044111B2 (en) | 2007-11-30 | 2011-10-25 | Novartis Ag | Actinically-crosslinkable silicone-containing block copolymers |
US8506856B2 (en) * | 2007-12-10 | 2013-08-13 | Novartis Ag | Method for making silicone hydrogel contact lenses |
JP5784119B2 (en) | 2010-07-30 | 2015-09-24 | ノバルティス アーゲー | Amphiphilic polysiloxane prepolymers and their use |
CN102839518B (en) * | 2011-06-22 | 2017-06-20 | 海尔集团公司 | A kind of dry-cleaning method of Domestic dry washing machine and clothing |
HUE029592T2 (en) | 2013-03-15 | 2017-03-28 | Coopervision Int Holding Co Lp | Silicone hydrogel contact lenses |
KR101655911B1 (en) * | 2013-07-17 | 2016-09-08 | 주식회사 엘지화학 | Method for predicting the solvent mixture for minimizing the amount of single solvents used and system using the same |
KR101679714B1 (en) * | 2013-09-02 | 2016-11-25 | 주식회사 엘지화학 | Method for calculating the solvent-polymer swelling parameter and system using the same |
CN113321833B (en) * | 2021-06-18 | 2022-06-24 | 杭州普惠医疗器械有限公司 | Method for improving detection response time of intracranial pressure sensor and intracranial pressure sensor |
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US4260725A (en) | 1979-12-10 | 1981-04-07 | Bausch & Lomb Incorporated | Hydrophilic contact lens made from polysiloxanes which are thermally bonded to polymerizable groups and which contain hydrophilic sidechains |
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JPH04501924A (en) * | 1989-09-14 | 1992-04-02 | チヤン,シン―シウン | Non-irritating gas permeable soft contact lens and method for manufacturing the same |
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EP0865444B1 (en) | 1995-12-07 | 2001-09-19 | BAUSCH & LOMB INCORPORATED | Monomeric units useful for reducing the modulus of silicone hydrogels |
US5998498A (en) | 1998-03-02 | 1999-12-07 | Johnson & Johnson Vision Products, Inc. | Soft contact lenses |
AU3786699A (en) * | 1998-05-05 | 1999-11-23 | Bausch & Lomb Incorporated | Surface treatment of silicone hydrogel contact lenses |
JP3972516B2 (en) * | 1999-05-19 | 2007-09-05 | 三菱化学株式会社 | Method for fractionating plastic mixture and fractionation solvent therefor |
AU5609000A (en) * | 1999-07-01 | 2001-01-22 | Bausch & Lomb Incorporated | Process for removing extractables from polymeric contact lenses |
EP1229976A1 (en) | 1999-09-24 | 2002-08-14 | Bausch & Lomb Incorporated | Process for purifying and reusing solvent used to remove extractables |
US6514438B1 (en) * | 1999-12-21 | 2003-02-04 | Bausch & Lomb Incorporated | Pulse extraction of ocular medical devices |
-
2001
- 2001-10-30 AU AU2733102A patent/AU2733102A/en active Pending
- 2001-10-30 EP EP20010992735 patent/EP1358256B1/en not_active Expired - Lifetime
- 2001-10-30 JP JP2002539420A patent/JP4769408B2/en not_active Expired - Fee Related
- 2001-10-30 CN CNB018217494A patent/CN1230465C/en not_active Expired - Fee Related
- 2001-10-30 BR BR0115118A patent/BR0115118A/en not_active Application Discontinuation
- 2001-10-30 CA CA 2427864 patent/CA2427864C/en not_active Expired - Lifetime
- 2001-10-30 AU AU2002227331A patent/AU2002227331B2/en not_active Ceased
- 2001-10-30 DE DE2001623130 patent/DE60123130T2/en not_active Expired - Lifetime
- 2001-10-30 WO PCT/US2001/047536 patent/WO2002036669A2/en active IP Right Grant
- 2001-10-30 US US10/012,653 patent/US6765083B2/en not_active Expired - Lifetime
- 2001-10-30 KR KR10-2003-7006184A patent/KR20040005856A/en not_active Application Discontinuation
- 2001-11-02 AR ARP010105144 patent/AR034273A1/en active IP Right Grant
- 2001-11-02 TW TW90127216A patent/TW593445B/en not_active IP Right Cessation
-
2004
- 2004-01-12 HK HK04100220A patent/HK1057380A1/en not_active IP Right Cessation
- 2004-01-12 US US10/755,610 patent/US7112652B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BR0115118A (en) | 2004-10-19 |
DE60123130D1 (en) | 2006-10-26 |
AU2733102A (en) | 2002-05-15 |
JP2004512939A (en) | 2004-04-30 |
US20050004345A1 (en) | 2005-01-06 |
EP1358256A2 (en) | 2003-11-05 |
US20020193559A1 (en) | 2002-12-19 |
US7112652B2 (en) | 2006-09-26 |
EP1358256B1 (en) | 2006-09-13 |
CN1484669A (en) | 2004-03-24 |
AU2002227331B2 (en) | 2005-10-13 |
WO2002036669A3 (en) | 2003-03-06 |
CA2427864C (en) | 2010-08-17 |
DE60123130T2 (en) | 2007-09-13 |
US6765083B2 (en) | 2004-07-20 |
JP4769408B2 (en) | 2011-09-07 |
HK1057380A1 (en) | 2004-04-02 |
KR20040005856A (en) | 2004-01-16 |
AR034273A1 (en) | 2004-02-18 |
WO2002036669A2 (en) | 2002-05-10 |
CN1230465C (en) | 2005-12-07 |
TW593445B (en) | 2004-06-21 |
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Legal Events
Date | Code | Title | Description |
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EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20211101 |