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    • 4. 发明授权
    • Melt-adhesive composite fibers, process for producing the same, and
fused fabric or surface material obtained therefrom
    • 熔融粘合性复合纤维,其制造方法以及由其获得的熔融织物或表面材料
    • US06001752A
    • 1999-12-14
    • US38327
    • 1998-03-11
    • Sei IshizawaMasayasu SuzukiHirokazu Terada
    • Sei IshizawaMasayasu SuzukiHirokazu Terada
    • D01F8/06D04H1/42D04H1/54D02G3/00
    • D01F8/06D04H1/4291D04H1/4382D04H1/4391D04H1/54D04H1/541Y10T442/638Y10T442/641
    • Melt-adhesive composite fibers; non-woven fabrics from the composite fibers fused at intersectional points of the fibers; and surface materials for medical supplies such as sanitary napkins and paper diapers are disclosed. The composite fibers have a polypropylene as the first component and a polymer mainly composed of a polyethylene as the second component which is continuously present on at least a part of the fiber surface in the lengthwise direction of the fiber; have three-dimensional crimps of 4 to 16/inch; have a filamentary denier of 1.0 to 2.0, and have an apparent cut length of 20 to 40 mm. The composite fibers can be produced by extruding a polypropylene and a polymer mainly comprising a polyethylene through a spinneret for composite spinning to form unstretched composite filaments having such structure as mentioned above, stretching the unstretched composite filaments at a temperature of higher than 90.degree. C., but lower than 130.degree. C. at a stretching ratio of 0.60 to 0.85 time the maximum stretching ratio, cooling the stretched filaments to a temperature lower than a preheating temperature, subjecting the filaments to a crimping treatment, and subjecting the filaments to an annealing at a temperature of higher than 80.degree. C., but lower than 120.degree. C.
    • 熔胶复合纤维; 来自复合纤维的非织造织物在纤维的交叉点熔合; 并且公开了诸如卫生巾和纸尿布的医疗用品的表面材料。 复合纤维具有作为第一成分的聚丙烯和主要由作为第二成分的聚乙烯的聚合物,其在纤维的长度方向上连续存在于纤维表面的至少一部分上; 具有4至16英寸的三维卷曲; 具有1.0至2.0的丝状旦数,并且具有20至40mm的明显切割长度。 复合纤维可以通过将聚丙烯和主要包含聚乙烯的聚合物通过用于复合纺丝的喷丝头挤出以形成具有上述结构的未拉伸复合长丝,在未超拉伸的复合长丝在高于90℃的温度下拉伸来制造。 但低于130℃,拉伸比为最大拉伸倍数的0.60〜0.85倍,将拉伸长丝冷却至比预热温度低的温度,对长丝进行卷边处理,对长丝进行退火处理 在高于80℃,但低于120℃的温度下
    • 10. 发明授权
    • Functional sheet
    • 功能表
    • US09439813B2
    • 2016-09-13
    • US13333975
    • 2011-12-21
    • Hirokazu Terada
    • Hirokazu Terada
    • B32B3/10A61F13/513
    • A61F13/51305B32B3/10Y10T428/24331
    • A functional sheet is described, in which a modifier is uniformly and exactly scattered and deposited such that sites where the modifier is deposited and sites where no modifier is deposited are clearly discriminated. The functional sheet is obtained by masking a surface of a sheet containing at least one fibrous layer on the surface by a planar object having a plurality of openings, applying a solution of a modifier from a side of the planar object, and allowing the modifier to deposit onto a whole surface of the sheet exposed to the openings of the planar object, and a functional sheet in which sites where the modifier is deposited form projections and sites where no modifier is deposited form plains in a surface fibrous layer of the functional sheet.
    • 描述了功能片,其中改性剂被均匀且精确地散射和沉积,使得沉积改性剂的位置和不存在改性剂的位置被清楚地区分开。 功能片是通过用具有多个开口的平面物体掩模在表面上含有至少一个纤维层的片材的表面,从平面物体的侧面施加改性剂的溶液,并使改性剂 沉积到暴露于平面物体的开口的片材的整个表面上,并且在功能片的表面纤维层中形成其中沉积有改性剂的部位的淀积部和不形成改性剂的部位的平面的功能片。