Material for manufacturing contact lens, method for manufacturing contact lens and contact lens manufactured thereform
AssigneeBenQ Materials Corporation
InventorFan-Dan JAN
Life of this patent
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Abstract
A material is provided for contact lens including a first siloxane macromer represented by the following formula (I): wherein R1, R2 and R3 are independently C1-C12 hydroxyl group, C1-C12 alkyl groups or C1-C12 siloxane group; R4 is C1-C6 alkylene group or C1-C6 alkylene substituted with ether group; R5 is —H, —CH3, —CH(CH3)2, —CH(CH3)CH2(CH3), —CH2CH(CH3)2, —CH2C6H5, —CH2OH, —CH(OH)CH3, —CH2CONH2 or —CH2CH2CONH2: R6 is —NHCONH—, —NHCO—, —R8NHCONH— or —R8NHCO—, wherein R8 is —O—, —O(CH2)n— or —(CH2)n— and n is an integer of 1-10; R7 is hydrogen or methyl; and m is an integer of 10-100.
Claims20
A material for manufacturing contact lens comprising:
- a first siloxane macromer represented by following formula (I):
- wherein R1, R2 and R3 are independently C1-C12 hydroxyl group, C1-C12 alkyl groups or C1-C12 siloxane group;
- R4 is C1-C6 alkylene group or C1-C6 alkylene substituted with ether group;
- R5 is —H, —CH3, —CH(CH3)2, —CH(CH3)CH2(CH3), —CH2CH(CH3)2, —CH2C6H5, —CH2OH, —CH(OH)CH3, —CH2CONH2 or —CH2CH2CONH2;
- R6 is —NHCONH—, —NHCO—, —R8NHCONH— or —R8NHCO— wherein R8 is —O—, —O(CH2)n— or —(CH2)n— and n is an integer of 1-10;
- R7 is hydrogen or methyl;
- and m is an integer of 10-100.
A method for manufacturing contact lens comprising:
- (a) mixing a first siloxane macromer represented by the following formula (I):
- wherein R1, R2 and R3 are independently C1-C12 hydroxyl group, C1-C12 alkyl groups or C1-C12 siloxane group;
- R4 is C1-C6 alkylene group or C1-C6 alkylene substituted with ether group;
- R5 is —H, —CH3, —CH(CH3)2, —CH(CH3)CH2(CH3), —CH2CH(CH3)2, —CH2C6H5, —CH2OH, —CH(OH)CH3, —CH2CONH2 or —CH2CH2CONH2;
- R6 is —NHCONH—, —NHCO—, —R8NHCONH— or —R8NHCO—, wherein R8 is —O—, —O(CH2)n— or —(CH2)n— and n is an integer of 1-10;
- R7 is hydrogen or methyl;
- and m is an integer of 10-100;
- a second siloxane macromer represented by the following formula (II),
- wherein q is an integer of 4-80 and r is an integer of 3-40;
- is at least a hydrophilic monomer and an initiator to form a mixture;
- and
- (b) injecting the mixture into a mold of contact lens and conducting a thermal treatment or a UV irradiating treatment to form contact lens.
Dependencies are inferred from the claim text.