| abstract |
The invention discloses a contact lens material, a contact lens and a manufacturing method of the contact lens. The contact lens material includes: a siloxane polymer represented by formula (I), in formula (I), R 1 , R 2 and R 3 is a C 1 -C 4 alkyl group, R 4 is a C 1 -C 6 alkyl group, R 5 is a residue obtained by removing an NCO group from an aliphatic or aromatic diisocyanate, R 6 and R 7 are alkylene group, and n is an integer of 4-80, m is an integer of 3-40, wherein the molecular weight of the siloxane polymer represented by formula (I) is about 1000 to 10000; at least one hydrophilic monomer; A crosslinking agent or a siloxane polymer represented by formula (II), wherein in formula (II), p is an integer of 4-80, and q is an integer of 3-40; and an initiator. |