Heat insulation material and method of manufacturing heat insulation material
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16L-059/02
B29C-070/46
B29C-070/12
B32B-005/26
B29C-070/30
B32B-017/06
B32B-037/06
B32B-038/00
B29C-043/20
B29K-309/08
B29K-701/10
B29L-007/00
출원번호
US-0895855
(2014-06-03)
등록번호
US-10215325
(2019-02-26)
우선권정보
JP-2013-117843 (2013-06-04)
국제출원번호
PCT/JP2014/064726
(2014-06-03)
국제공개번호
WO2014/196526
(2014-12-11)
발명자
/ 주소
Kurimoto, Yoshiro
Nakama, Shigeru
Watanabe, Kazuhisa
출원인 / 주소
NICHIAS CORPORATION
대리인 / 주소
Westerman, Hattori, Daniels & Adrian, LLP
인용정보
피인용 횟수 :
0인용 특허 :
1
초록▼
A thermal insulation material can suitably be used as a thermal insulation material for a hot press, a rubber vulcanizing machine, and an injection molding machine, a casing for an induction furnace, and the like, and exhibits good workability, excellent heat resistance, excellent mechanical strengt
A thermal insulation material can suitably be used as a thermal insulation material for a hot press, a rubber vulcanizing machine, and an injection molding machine, a casing for an induction furnace, and the like, and exhibits good workability, excellent heat resistance, excellent mechanical strength, excellent toughness, excellent working accuracy, excellent thickness accuracy, and the like. The thermal insulation material is produced by hot-pressing a plurality of prepregs in a state in which the plurality of prepregs are stacked, each of the plurality of prepregs being obtained by impregnating heat-resistant paper with a thermosetting resin, the thermal insulation material including 32 to 64 mass % of a fibrous material and 36 to 68 mass % of the thermosetting resin.
대표청구항▼
1. A thermal insulation material produced by hot-pressing a plurality of prepregs in a state in which the plurality of prepregs are stacked, each of the plurality of prepregs comprising heat-resistant paper impregnated with a thermosetting resin, the thermal insulation material comprising 32 to 64 m
1. A thermal insulation material produced by hot-pressing a plurality of prepregs in a state in which the plurality of prepregs are stacked, each of the plurality of prepregs comprising heat-resistant paper impregnated with a thermosetting resin, the thermal insulation material comprising 32 to 64 mass % of a fibrous material and 36 to 68 mass % of the thermosetting resin and having a density of 800 to 1650 kg/m3,wherein the heat-resistant paper is paper made of glass fibers. 2. The thermal insulation material according to claim 1, the thermal insulation material being produced by hot-pressing the plurality of prepregs so that each of the plurality of prepregs has an average thickness of 0.05 to 3.0 mm. 3. The thermal insulation material according to claim 1, wherein the plurality of prepregs are hot-pressed so that a number of prepregs stacked per 10 mm (thickness) of the thermal insulation material is 3 to 200. 4. The thermal insulation material according to claim 1, having a thermal conductivity of 0.25 W/(m·K) or less. 5. A method for producing a thermal insulation material according to claim 1 comprising: stacking a plurality of prepregs obtained by impregnating heat-resistant paper with a thermosetting resin, each of the plurality of prepregs comprising 32 to 64 mass % of a fibrous material and 36 to 68 mass % of the thermosetting resin, and having an average thickness of 0.2 to 6 mm; and hot-pressing the plurality of prepregs at a temperature equal to or higher than a curing temperature of the thermosetting resin. 6. The method for producing a thermal insulation material according to claim 5, wherein the plurality of prepregs are hot-pressed so that each of the plurality of prepregs has an average thickness of 0.05 to 3.0 mm. 7. The method for producing a thermal insulation material according to claim 5, wherein the heat-resistant paper is paper made of glass fibers. 8. The method for producing a thermal insulation material according to claim 5, wherein the plurality of prepregs are stacked so that a number of prepregs per 10 mm (thickness) of the thermal insulation material is 3 to 200. 9. The thermal insulation material according to claim 2, wherein the plurality of prepregs are hot-pressed so that a number of prepregs stacked per 10 mm (thickness) of the thermal insulation material is 3 to 200. 10. The thermal insulation material according to claim 1, wherein the plurality of prepregs are hot-pressed so that a number of prepregs stacked per 10 mm (thickness) of the thermal insulation material is 3 to 200. 11. The thermal insulation material according to claim 2, having a thermal conductivity of 0.25 W/(m·K) or less. 12. The thermal insulation material according to claim 1, having a thermal conductivity of 0.25 W/(m·K) or less. 13. The thermal insulation material according to claim 3, having a thermal conductivity of 0.25 W/(m·K) or less. 14. The method for producing a thermal insulation material according to claim 6, wherein the heat-resistant paper is paper made of glass fibers. 15. The method for producing a thermal insulation material according to claim 6, wherein the plurality of prepregs are stacked so that a number of prepregs per 10 mm (thickness) of the thermal insulation material is 3 to 200. 16. The method for producing a thermal insulation material according to claim 7, wherein the plurality of prepregs are stacked so that a number of prepregs per 10 mm (thickness) of the thermal insulation material is 3 to 200. 17. The thermal insulation material according to claim 1, wherein the content of said glass fibers in the heat-resistant paper is 82 to 88 mass % of said paper.
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이 특허에 인용된 특허 (1)
Kodama Fumio (Chofu JPX) Ohyama Noboru (Iwaki JPX), Multilayer insulating material and process for production thereof.
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