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    • 3. 发明专利
    • Sound absorption thermal insulation material for hose
    • 用于软管的吸声绝热材料
    • JP2005155777A
    • 2005-06-16
    • JP2003395131
    • 2003-11-26
    • Endeavor House LtdKanebo LtdKanebo Synthetic Fibers Ltdエンデバーハウス株式会社カネボウ合繊株式会社カネボウ株式会社
    • WATANABE NOBORUONOE HIROSHINAGATA MAKIOFUKUHARA TOYOTAKAYONEDA KENICHI
    • F16L55/02F16L59/04F16L59/14
    • PROBLEM TO BE SOLVED: To provide a sound absorption thermal insulation duct provided with bending property or flexibility, capable of improving piping workability, having an excellent thermal insulation property and allowing mass production at low cost, and being gentle for environment. SOLUTION: This sound absorption thermal insulation material for the hose (including a tube and a duct) is (1) a nonwoven fabric cloth sound absorption material made of matrix fibers and thermally fused fibers and the sound absorption thermal insulation material for the duct having matrix fibers of 30 to 95 wt%. (2) It is preferable that density of the nonwoven fabric cloth sound absorption material is 5 kg/m 3 to 100 kg/m 3 , its thickness of 1mm to 100 mm, and its width is 10 mm to 1,000 mm. (3) It is preferable that at least one kind of the matrix fibers has a heteromorphic structure. (4) It is preferable that the direction of MD of tensile strength of the nonwoven fabric cloth is 5N/cm 2 to 50N/cm 2 , and the direction of CD is 3N/cm 2 to 40N/cm 2 . (5) Surface hardness of the nonwoven fabric cloth is 15 to 60. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种具有弯曲性或挠性的吸声保温管道,能够提高管道加工性,具有优异的隔热性能,并且能够以低成本批量生产,并且对环境温和。

      解决方案:用于软管(包括管和管道)的吸音保温材料是(1)由基体纤维和热熔纤维制成的无纺布布吸声材料和用于 管道具有30至95重量%的基质纤维。 (2)无纺布布吸音材料的密度优选为5kg / m 3〜30kg / m 3 /秒,其厚度为1mm〜100mm ,宽度为10mm〜1000mm。 (3)优选至少一种基质纤维具有异型结构。 (4)无纺布的拉伸强度的MD的方向优选为5N / cm·SP·2〜50N / cm·SP·2·SP,CD的方向为 3N / cm 2 / SP>至40N / cm 2 SP SP。 (5)无纺布的表面硬度为15〜60℃。(C)2005,JPO&NCIPI