Fluoro-Containing Ether Monomer For Fabricating Contact Lenses, Contact Lenses Materials And Contact Lenses Obtained Therefrom

• US 20140371410A1
• Filed: 06/14/2013
• Published: 12/18/2014
• Est. Priority Date: 06/14/2013
• Status: Active Grant

• Current Assignee: BENQ Materials Corporation
• Original Assignee: BENQ Materials Corporation
• Inventors: JAN, Fan-Dan
• Granted Patent: US 9,221,939 B2
• Time in Patent Office: Days
• US Class Current: 526/246
• CPC Class Codes: C07C 271/24 with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a ring other than a six-membered aromatic ring
• CPC Class Codes: C08F 220/20 of polyhydric alcohols or phenols , e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate
• CPC Class Codes: C08F 220/22 Esters containing halogen
• CPC Class Codes: C08F 220/54 Amides , e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
• CPC Class Codes: C08F 226/08 N-Vinyl-pyrrolidine
• CPC Class Codes: C08F 226/10 N-Vinyl-pyrrolidone
• CPC Class Codes: C08F 230/08 containing silicon
• CPC Class Codes: C08L 101/14 the macromolecular compounds being water soluble or water swellable, e.g. aqueous gels
• CPC Class Codes: C08L 33/10 Homopolymers or copolymers of methacrylic acid esters
• CPC Class Codes: C08L 33/26 Homopolymers or copolymers of acrylamide or methacrylamide
• CPC Class Codes: C08L 83/04 Polysiloxanes
• CPC Class Codes: G02B 1/043 Contact lenses
• CPC Class Codes: G02C 7/049 Contact lenses having special fitting or structural features achieved by special materials or material structures

Abstract

The invention provides a fluoro-containing ether monomer for fabricating contact lenses represented by following formula (I):

In formula (I), R₁₀ is fluoroalkyl group (C_xF_yH_z, wherein x is an integer of 2-20, y to is an integer of 5-30, and y+z=2x+1), R₁₁ is oxygen, nitrogen or sulfur; R₁₂ is C₁-C₃ alkylene; n is an integer of 3-40.

Claims

1. A fluoro-containing ether monomer for fabricating contact lenses, represented by the following formula (I):

2. The fluoro-containing ether monomer according to claim 1, wherein the molar ratio of fluorine to carbon in fluorine-containing ether monomer is in the range of 0.032 to 0.88.

3. The fluoro-containing ether monomer according to claim 1, wherein in formula (I), R₁₀ is C₅F₅H₆, R₁₁ is oxygen and R₁₂ is CH₂CH₂.

4. The fluoro-containing ether monomer according to claim 1, wherein in formula (I), R₁₀ is C₁₀F₁₇H₄, R₁₁ is oxygen and R₁₂ is CH₂CH₂.

5. The fluoro-containing ether monomer according to claim 1, wherein in formula (I), R₁₀ is C₁₀F₁₇H₄, R₁₁ is sulfur and R₁₂ is CH₂CH₂.

6. The fluoro-containing ether monomer according to claim 1, wherein the fluoro-containing ether monomer is present at an amount of 0.07 to 0.4 weight percent based on the total amount of the contact lenses.

7. A composition for fabricating contact lenses comprising:

a fluoro-containing ether monomer represented by the following formula (I);

8. The composition for fabricating contact lenses according to claim 7, wherein the siloxane macromer comprises:

a first siloxane macromer represented by the following formula (II) or a siloxane macromer represented by the following formula (III);

9. The composition for fabricating contact lenses according to claim 8, wherein the first siloxane macromer is present at an amount of 30 to 60 parts by weight, the second siloxane macromer of is present at an amount of 1 to 15 parts by weight, the hydrophilic monomer is present at an amount of 30 to 65 parts by weight, the hydrophilic fluorine-containing ether monomer is present at an amount of 0.1 to 0.3 parts by weight, and the initiator is present at an amount of 0.1 to 1 parts by weight based on the total amount of the composition.

10. A composition for fabricating contact lenses according to claim 7, wherein the hydrophilic monomer is selected from the group consisting of N-vinylpyrrolidone (NVP), 2-hydroxyethyl methacrylate (HEMA), N,N-dimethylacrylamide (DMA), methyl acrylic acid, acrylic acid, glycidyl methacrylate (GMA), (methyl)acrylamide, 2-(N,N-dimethylamino) ethyl methacrylate (DMAEMA), vinyl acetate, 2-(Dimethylamino)ethyl methacrylate, N-acrylolmorpholine and a combination thereof.

11. A composition for fabricating contact lenses according to claim 7, wherein in formula (I), R₁₀ is C₅F₅H₆ or C₁₀F₁₇H₄;

R₁₁ is oxygen or sulfur and R₁₂ is CH₂CH₂.

12. A contact lens which is fabricated by the composition for fabricating contact lenses according to claim 7.