Optimized pattern of a damping layer for wall, floor, and ceiling constructions
An acoustic damping article includes a substrate, wherein the substrate has a surface area S. The acoustic composition further includes a polymer resin. The polymer resin coats partially the surface area with a set of areas. The ratio of the coated areas over the surface area S is less than 1 and the polymer resin coverage is not greater than about 500 g/m 2 . Embodiments of the present disclosure include an acoustic damping article including a release liner; and an acoustic damping composition disposed on the release liner. The acoustic damping composition partially coats the release liner, and the acoustic damping composition has a Patterned Interlayer Stiffness of at least about 1 GN/m 3 .
1. An acoustic damping article comprising:
a release liner; and
an acoustic damping binder resin disposed on the release liner,
wherein the acoustic damping binder resin partially coats the side in a set of n areas, S c1 , . . . , S cn ,
wherein n≧1 and a ratio of the sum of coated areas S c over the surface area S t is less than 1,
wherein the acoustic damping binder resin has a Patterned Interlayer Stiffness of at least about 1 GN/m 3 .
2. The acoustic damping article according to claim 1 , wherein the Patterned Interlayer Stiffness is at least about 2 GN/m 3 .
3. The acoustic damping article according to claim 1 , wherein the acoustic damping binder resin has a ratio of coverage of the acoustic damping composition on a first major surface of the release liner of at least about 0.1.
4. The acoustic damping article according to claim 3 , wherein the ratio of coverage of the acoustic damping binder resin on the first major surface of the release liner is not greater than about 0.9.
5. The acoustic damping article according to claim 1 , wherein the acoustic damping binder resin forms a pattern.
6. The acoustic damping article according to claim 5 , wherein the pattern includes a rectangle, a square, a triangle, a pentagon, a hexagon, a circle, a circular section, a ring, a half ring, or any combination thereof.
7. The acoustic damping article according to claim 5 , wherein the acoustic damping binder resin forms a pattern of stripes.
8. The acoustic damping article according to claim 7 , wherein the acoustic damping binder resin forms a pattern of rectangular stripes, wavy stripes, zig-zag stripes, parallel stripes, or a combination thereof.
9. The acoustic damping article according to claim 1 , wherein the acoustic damping binder resin comprises a urethane component in a water-based emulsion.
10. The acoustic damping article according to claim 9 , wherein the acoustic damping binder resin further comprises an acrylic component.
11. The acoustic damping article according to claim 1 , further comprising a layer overlying the acoustic damping binder resin, wherein the layer comprises a wall panel, a ceiling panel, a dry wall, a tile, a subfloor panel, a wood panel, a plywood panel, or a plastic sheet.
12. The acoustic damping article according to claim 1 , wherein the release liner comprises polyethylene, polypropylene, polyimide, or any combination thereof.
13. The acoustic damping article according to claim 1 , wherein the acoustic damping article has a modal damping factor of at least about 10% as indicated by MIM in the range between 50 to 850 Hz.
14. The acoustic damping article according to claim 1 , wherein the acoustic damping article has a modal damping factor of at least about 10% as indicated by MIM in the range between 700 to 1500 Hz.
15. The acoustic damping article according to claim 1 , wherein the acoustic damping article has a modal damping factor of at least about 10% as indicated by MIM in the range between 1500 to 4000 Hz.
16. A construction sheet comprising the acoustic damping article of claim 1 , wherein the release liner has an average release force of not greater than about 600 grams per inch, as determined in a 180 degree peel test at a separation speed of 40 inches per minute.
17. The construction sheet according to claim 16 , wherein the acoustic damping binder resin forms a pattern.
18. A construction panel comprising:
a rigid panel having a first major surface;
an acoustic damping binder resin disposed on the first major surface; and
a release liner overlying the acoustic damping binder resin;
wherein the acoustic damping binder resin partially coats the side in a set of n areas, S c1 , . . . , S cn ;
wherein n≧1 and a ratio of the sum of coated areas S c over the surface area S t is less than 1; and
wherein the acoustic damping binder resin has a Patterned Interlayer Stiffness of at least about 1 GN/m 3 .
19. The construction panel according to claim 18 , wherein the rigid panel comprises a wall panel, a ceiling panel, a dry wall, a tile, a subfloor panel, a wood panel, a plywood panel, or a plastic sheet.