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    • 3. 发明专利
    • Sound absorption shock absorbing material, and method of manufacturing the same
    • 声吸收冲击吸收材料及其制造方法
    • JP2013047338A
    • 2013-03-07
    • JP2012167576
    • 2012-07-27
    • Toyo Quality One Corp株式会社東洋クオリティワン
    • KAWAKAMI HIROKOMATSUMOTO NORIYUKI
    • C08G18/48B60J5/00B60R13/02
    • PROBLEM TO BE SOLVED: To provide a sound absorption shock absorbing material that has impact absorption power and sound absorbency power and to provide a method of manufacturing the same.SOLUTION: The sound absorption shock absorbing material that comprises a hard polyisocyanurate foam includes: a polyether polyol in which the content of polyoxyethylene is at least 50% as a polyol A; 10-40 pts.wt of fatty acid polyethylene glycol ester as an additive A based on 100 pts.wt of the polyol A; 10-50 pts.wt of polyether polyol in which the content of polyoxyethylene is at most 20% as a polyol B based on 100 pts.wt of the polyol A; and MDI as polyisocyanate, wherein in the rigid polyurethane isocyanurate foam, a core density is 30 kg/m-80 kg/m, an air permeability is at least 8 cc/cm/sec, and an isocyanate index is 200-400.
    • 要解决的问题:提供具有冲击吸收能力和吸声功率的吸声冲击吸收材料,并提供其制造方法。 解决方案:包含硬聚异氰脲酸酯泡沫的吸声冲击吸收材料包括:聚醚多元醇,其中聚氧乙烯的含量作为多元醇A为至少50%; 10-40重量份脂肪酸聚乙二醇酯作为添加剂A,基于100重量份的多元醇A; 10-50重量份作为多元醇B的聚氧乙烯含量最多为20重量%的聚醚多元醇,基于100重量份多元醇A; 和作为多异氰酸酯的MDI,其中在硬质聚氨酯异氰脲酸酯泡沫中,芯密度为30kg / m 3 -80kg / m 3 SP SP =“POST”> 3 < SP>,透气度为至少8cc / cm 2 /异氰酸酯指数为200-400。 版权所有(C)2013,JPO&INPIT