Ophthalmic and otorhinolaryngological device materials

1. A polymeric ophthalmic or otorhinolaryngological device material comprising

a) a monomer selected from the group consisting of an aromatic acrylate or methacrylate monomer of formula (1) and a styrenic monomer of formula (2), and

b) a difunctional macromonomer of formula (3) having a number average molecular weight (M n ) of at least 3000 and a glass transition temperature (T g ) less than 0° C.

wherein

R=H, CH 3 , CH 2 CH 3 ;

X=O(CH 2 ) w ;

w=0-6;

Y=(CH 2 ) b H, O(CH 2 ) b H, H, Br, Cl, or F;

b=0-12;

p=0-22;

q=0-22;

A=O, NH, OCH 2 , OCH 2 CH 2 O, OC(O)NHCH 2 CH 2 O; and

m, n=co-monomer mole fraction where m<1 and n=1−m.

2. The device material of claim 1 wherein the device material further comprises a monofunctional macromonomer of formula (4) that has a number average molecular weight of at least 1000:

wherein

A=O, NH, OCH 2 , OCH 2 CH 2 O, OC(O)NHCH 2 CH 2 O; and

p=0-22;

q=0-22; and

m, n=co-monomer mole fraction where m<1 and n=1−m.

3. The device material of claim 1 wherein in formula (1) R=CH 3 ; w=1-5 and Y=H; and in formula (2) R=H and Y=H.

4. The device material of claim 1 wherein in formula (3) A=O or OC(O)NHCH 2 CH 2 O; B=C(O)C(═CH 2 )CH 3 ; p=2 and q=0, or p=q=1; and m=0.33-0.50.

5. The device material of claim 2 wherein in formula (4) A=0 or OC(O)NHCH 2 CH 2 O; B=C(O)C(═CH 2 )CH 3 ; p=2 and q=0, or p=q=1; and m=0.33-0.50.

6. The device material of claim 1 wherein the device material comprises

a) 20-70 wt. % of a monomer selected from the group consisting of an aromatic acrylate or methacrylate monomer of formula (1) and a styrenic monomer of formula (2), and

b) from 80-30 wt. % of a difunctional macromonomer of formula (3).

7. The device material of claim 2 wherein the device material comprises up to 80 wt. % of the monofunctional macromonomer of formula (4).

8. The device material of claim 7 wherein the device material comprises 0.1-40 wt. % of the monofunctional macromonomer of formula (4).

9. The device material of claim 1 wherein the device material further comprises an ingredient selected from the group consisting of a polymerizable UV absorber and a polymerizable colorant.

10. The device material of claim 1 wherein the device material has a continuous phase T g of less than 25° C.

11. The device material of claim 10 wherein the device material has a continuous phase T g of less than −20° C.

12. The device material of claim 1 wherein the device material has an elongation between 300 and 800% and a Young's modulus of less than 6.0 MPa.

13. The device material of claim 12 wherein the device material has a Young's modulus of less than 5.0 MPa.

14. An ophthalmic or otorhinolaryngological device comprising the device material of claim 1 .

15. The opthalmic or otorhinolaryngological device of claim 13 wherein the device is selected from the group consisting of intraocular lenses; contact lenses; keratoprostheses; corneal inlays; corneal rings; otological ventilation tubes; and nasal implants.