Vapor barrier for use in the thermal insulation of buildings
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-027/12
B32B-021/10
B32B-021/00
B32B-029/02
B32B-029/00
E04B-001/74
출원번호
US-0521125
(2000-03-07)
우선권정보
DE-195 14 420(1995-04-19)
발명자
/ 주소
Kunzel,Hartwig
Grosskinsky,Theo
출원인 / 주소
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung E.V.
대리인 / 주소
Oblon, Spivak, McClelland, Maier &
인용정보
피인용 횟수 :
7인용 특허 :
6
초록▼
The invention relates to a vapor barrier for use in the thermal insulation of buildings which can be used, in particular, for thermal insulation procedures in new buildings or in the renovation of old buildings. The vapor barrier in accordance with the invention is thereby capable of achieving wate
The invention relates to a vapor barrier for use in the thermal insulation of buildings which can be used, in particular, for thermal insulation procedures in new buildings or in the renovation of old buildings. The vapor barrier in accordance with the invention is thereby capable of achieving water vapor exchange under different ambient conditions. This is achieved by using a material which has a water vapor diffusion resistance which is dependent on the ambient humidity and which also has adequate tensile strength and tear resistance.
대표청구항▼
We claim: 1. A water vapor exchange system for use in building insulation, comprising (i) a fiber insulation batt or fiber insulation slab, and (ii) a film comprising polyamide and having a water vapor diffusion resistance (sd-value) at a relative humidity of an atmosphere surrounding the vapor ret
We claim: 1. A water vapor exchange system for use in building insulation, comprising (i) a fiber insulation batt or fiber insulation slab, and (ii) a film comprising polyamide and having a water vapor diffusion resistance (sd-value) at a relative humidity of an atmosphere surrounding the vapor retarder in the region of 30% to 50% of 2 to 5 meters diffusion-equivalent air layer thickness, and, at a relative humidity in the region of 60% to 80% which is <1 meter diffusion-equivalent air layer thickness, wherein the film has a thickness of about 50 μm to about 100 μm. 2. The water vapor exchange system according to claim 1, wherein the film is sandwiched between a carrier material and the fiber insulation batt or fiber insulation slab, and wherein each has a water vapor diffusion resistance which is less than the water vapor diffusion resistance of the film. 3. The water vapor exchange system of claim 1 wherein the film is attached to an inner wall surface. 4. The water vapor exchange system of claim 1 wherein the surface of the film has a pattern. 5. The water vapor exchange system of claim 4 wherein the film has a printed color pattern. 6. The water vapor exchange system according to claim 1 wherein the film comprises polyamide 6, polyamide 4 or polyamide 3. 7. The insulation system according to claim 6 wherein the film is sandwiched between the carrier material and one of the fiber board suitable for use as a building insulation, the fiber insulation batt suitable for use as a building insulation, or the fiber insulation slab suitable for use as a building insulation, wherein each has a water vapor diffusion resistance which is less than the water vapor diffusion resistance of the film. 8. The insulation system according to claim 7 wherein the carrier material is a fiber-reinforced cellulose material. 9. The water vapor exchange system according to claim 1 wherein the film is attached to a carrier material selected from the group consisting of particle board, chip board, oriented strand board, plywood paneling, gypsum board, fiber reinforced gypsum board, fiber board, cement board, cementitious wood wool board, calcium silica board, fiber insulation batts, fiber insulation slabs, foam insulation slabs, wall paper, fiber-reinforced cellulose material, and cloth; wherein the film is between the carrier material and one of the fiber insulation batt or fiber insulation slab. 10. The water vapor exchange system of claim 9 wherein the carrier material has a water vapor diffusion resistance which is less than the water vapor diffusion resistance of the film. 11. The water vapor exchange system according to claim 9 wherein the carrier material is a fiber-reinforced cellulose material. 12. The water vapor exchange system according to claim 11 wherein the carrier material has a water vapor diffusion resistance which is less than the water vapor diffusion resistance of the film. 13. The water vapor exchange system of claim 1 wherein the film is a polyamide 6 film. 14. The water vapor exchange system of claim 1 wherein the film is a polyamide 4 film. 15. The water vapor exchange system of claim 1 wherein the film is a polyamide 3 film. 16. An insulation system comprising (i) a fiber board suitable for use as a building insulation, a fiber insulation batt suitable for use as a building insulation or fiber insulation slab suitable for use as a building insulation, and (ii) a film comprising polyamide and having a water vapor diffusion resistance (sd-value) at a relative humidity of an atmosphere surrounding the vapor retarder in the region of 30% to 50% of 2 to 5 meters diffusion-equivalent air layer thickness, and, at a relative humidity in the region of 60% to 80% which is <1 meter diffusion-equivalent air layer thickness, wherein the film has a thickness of about 50 μm to about 100 μm. 17. The insulation system according to claim 16 wherein the film is attached to a carrier material having a water vapor diffusion resistance which is less than the water vapor diffusion resistance of the film, wherein the film is between the carrier material and one of the fiber board suitable for use as a building insulation, a fiber insulation batt suitable for use as a building insulation, or the fiber insulation slab suitable for use as a building insulation. 18. The insulation system according to claim 17 wherein the carrier material is a fiber-reinforced cellulose material. 19. The insulation system according to claim 16 wherein the film comprises polyamide 6, polyamide 4 or polyamide 3. 20. The insulation system according to claim 19 wherein the film is attached onto a carrier material having a water vapor diffusion resistance which is less than the water vapor diffusion resistance of the film, wherein the film is between the carrier material and one of the fiber board suitable for use as a building insulation, the fiber insulation batt suitable for use as a building insulation, or the fiber insulation slab suitable for use as a building insulation. 21. The insulation system according to claim 20 wherein the carrier material is a fiber-reinforced cellulose material. 22. The insulation system of claim 16 wherein the film is a polyamide film. 23. The insulation system of claim 16 wherein the film is a polyamide 6 film. 24. The insulation system of claim 16 wherein the film is a polyamide 4 film. 25. The insulation system of claim 16 wherein the film is a polyamide 3 film. 26. An insulation system, comprising (i) fibrous insulation suitable for use in a building, and (ii) a film comprising polyamide and having a water vapor diffusion resistance (sd-value) at a relative humidity of an atmosphere surrounding the vapor retarder in the region of 30% to 50% of 2 to 5 meters diffusion-equivalent air layer thickness, and, at a relative humidity in the region of 60% to 80% which is <1 meter diffusion-equivalent air layer thickness, wherein the film has a thickness of about 50 μm to about 100 μm. 27. The insulation system of claim 26 further comprising, attached to the film, a carrier material selected from the group consisting of particle board, chip board, oriented strand board, plywood paneling, gypsum board, fiber reinforced gypsum board, fiber board, cement board, cementitious wood wool board, calcium silica board, fiber insulation batts, fiber insulation slabs, foam insulation slabs, wall paper and cloth, wherein the film is between the carrier material and the fibrous insulation suitable for use in a building. 28. The water vapor exchange system according to claim 27, wherein the carrier material has a water vapor diffusion resistance which is less than the water vapor diffusion resistance of the film. 29. The insulation system according to claim 26 wherein the film is sandwiched between a carrier material and the fibrous insulation suitable for use in a building, wherein each material has a water vapor diffusion resistance which is less than the water vapor diffusion resistance of the film. 30. The insulation system according to claim 29 wherein the carrier material is a fiber-reinforced cellulose material. 31. The insulation system according to claim 26 wherein the film comprises polyamide 6, polyamide 4 or polyamide 3. 32. The insulation system according to claim 31 wherein the film is sandwiched between a carrier material and one of the fiber board suitable for use as a building insulation, the fiber insulation batt suitable for use as a building insulation or the fiber insulation slab suitable for use as a building insulation, wherein each material has a water vapor diffusion resistance which is less than the water vapor diffusion resistance of the film. 33. The insulation system according to claim 32 wherein the carrier material is a fiber-reinforced cellulose material. 34. The insulation system of claim 26 wherein the film is a polyamide film. 35. The insulation system of claim 26 wherein the film is a polyamide 6 film. 36. The insulation system of claim 26 wherein the film is a polyamide 4 film. 37. The insulation system of claim 26 wherein the film is a polyamide 3 film.
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