| abstract |
Polymeric material for ophthalmic and otolaryngological devices comprising a) a monofunctional (1) acrylate or methacrylate monomer; b) a difunctional acrylate or methacrylate crosslinking monomer (2), and c) an acrylate or methacrylic aromatic functional acrylic or methacrylic macromer (3) or an acrylate or methacrylate aromatic functional acrylic or methacrylic (4) macromer: ** ( See formula) ** in which B = O (CH2) n, NH (CH2) not NCH3 (CH2) n; D = Cl, Br, H or -CH2C (= CH2) C (O) XY; E = H or CH3; G = H, C (E) (CH3) C (O) X (CH2) nH, C (E) (CH3) C (O) X (CH2CH2O) nCH3 or C (E) (CH3) C (O) X '' Z''X''C (O) C (R '') = CH2; R, R '' independently = H, CH3 or CH2CH3; X, X '' independently = O (CH2) n, NH (CH2) n, NCH3 (CH2) n, O (CH2CH2O) nCH2, O (CH2CH2CH2O) nCH2, O (CH2CH2CH2CH2O) nCH2 or nothing; J = (CH2) a, O (CH2CH2O) b, O or nothing; n = 0-6; Y = C6H5, (CH2) mH, (CH2) mC6H5, OH, CH2CH (OH) CH2OH, (OCH2CH2) mOCH3 or (OCH2CH2) mOCH2CH3; m = 0-12; Z, Z '' independently = - (CH2) a-, - (CH2CH2O) a-, - (CH2CH2CH2CH2O) a-, -C6H4-, -C6H4C (CH3) (CH3) C6H4- or - [(CH (CH2CH3) CH2) (CH2CH2)] q-; a = 1-12; b = 1-24; p = 5-400; and q = 1-80. |