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发明授权
CN105579008B 具有不含材料的区域的吸收芯 有权

具有不含材料的区域的吸收芯
摘要：
一种用于吸收制品的吸收芯(28)，所述吸收芯包括包封吸收材料(60)的芯包裹物(16,16’)，所述吸收材料包括超吸收聚合物颗粒。所述芯包裹物包括顶侧面(16)和底侧面(16')，并且所述吸收芯包含一个或多个基本上不含吸收材料的区域(26)，通过所述区域，芯包裹物的顶侧面附接到芯包裹物的底侧面，使得当吸收材料溶胀时，芯包裹物沿所述一个或多个基本上不含吸收材料的区域(26)形成一个或多个通道(26’)。所述超吸收聚合物颗粒具有如根据K(t)测试方法所测量的小于240s的达到20g/g摄取的时间(T20)。
摘要（英）：

An absorbent core (28), for use in an absorbent article, comprising a core wrap (16, 16') enclosing an absorbent material (60) comprising superabsorbent polymer particles. The core wrap comprises a top side (16) and a bottom side (16'), and the absorbent core comprises one or more area(s) (26) substantially free of absorbent material through which the top side of the core wrap is attached to the bottom side of the core wrap, so that when the absorbent material swells the core wrap forms one or more channel(s) (26') along the area(s) (26) substantially free of absorbent material. The superabsorbent polymer particles have a time to reach an uptake of 20 g/g (T20) of less than 240 s as measured according to the K(t) test method.

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