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    • 2. 发明公开
    • THERMAL BOND NON-WOVEN FABRIC CONTAINING CYCLIC OLEFIN RESIN
    • 含有环状烯烃树脂的热粘合非织造织物
    • EP3305981A1
    • 2018-04-11
    • EP16802990.8
    • 2016-05-10
    • Polyplastics Co., Ltd.
    • OKAWA, Hidetoshi
    • D21H13/12A61K9/70A61K47/32D04H1/544D21H15/10
    • D04H1/4291A61K9/70A61K47/32D01F6/30D04H1/544D04H3/16D10B2321/02D10B2401/041D10B2509/00D21H13/12D21H15/10
    • Provided is a non-woven fabric that absorbs only a small amount of volatile low molecular weight compound, and that has good texture when used as a non-woven fabric that makes contact with human skin. This thermal bond non-woven fabric containing cyclic olefin resin includes at least: fibers (A) containing at least 50 mass% of a cyclic olefin resin (A1) having a glass transition temperature Tg A1 °C; and fibers (B) containing at least 10 mass% of either a cyclic olefin resin (B1) having a glass transition temperature Tg B1 °C, or a crystalline thermoplastic resin (B2) having a melting point Mp B2 °C; the fibers (A) and the fibers (B) being heat-spliced together; wherein Tg A1 > Tg B1 or Tg A1 > Mp B2 , and either the difference between the glass transition temperature Tg A1 °C and the glass transition temperature TgB1°C or the difference between the glass transition temperature Tg A1 °C and the melting point Mp B2 °C exceeds 20°C.
    • 本发明提供仅吸收少量挥发性低分子量化合物的非织造织物,并且当用作与人体皮肤接触的非织造织物时具有良好的质地。 该含有环状烯烃树脂的热粘合无纺布至少含有:含有50质量%以上的玻璃化转变温度TgA1℃的环状烯烃系树脂(A1)的纤维(A) 和含有10质量%以上的玻璃化转变温度TgB1℃的环状烯烃系树脂(B1)或熔点MpB2℃的结晶性热塑性树脂(B2)的纤维(B) 纤维(A)和纤维(B)被热熔接在一起; 其中TgA1> TgB1或TgA1> MpB2以及玻璃化转变温度TgA1℃与玻璃化转变温度TgB1℃之差或玻璃化转变温度TgA1℃与熔点MpB2℃之差超过20° C。