Absorbent and absorbent article
An absorber and absorbent technology, which is applied in the direction of absorbent pads, etc., can solve the problems of insufficient absorption performance of the absorber, insufficient diffusion, discomfort, etc., and achieve good wearing feeling, increased absorption, and reduced sticky feeling Effect
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[0225] [Example 1]
[0226] The absorber 10 of Example 1 was produced as follows. First, for the fiber pile cavity 107 with a depth of 6mm, we can get Figure 26 The protrusion 108 with a height of 2 mm is arranged in the shape shown in. The cross-sectional shape of the protrusion 108 is rectangular. After that, fluff pulp (manufactured by Weyerhaeuser, trade name NB416) and superabsorbent polymer (manufactured by Nippon Catalysts Corporation, trade name W101) were deposited in the fiber pile cavity 107. At this time, the basis weight of the paper protruding from the liquid absorption storage portion 32 is 200 g / m of pulp 2 , Super absorbent polymer is 320g / m 2 , The paper basis weight of the liquid-receiving layer 31 at the bottom of the recess 20 is 50g / m of pulp 2 , Super absorbent polymer is 50g / m 2 . After the accumulation, the accumulated absorbent body 10 is peeled from the fiber pile cavity 107, and press processing is performed at a pressure of 0.025 MPa. The absorben...
Example Embodiment
[0227] [Example 2]
[0228] The absorber 10 of Example 2 was produced by the same procedure as Example 1, except that the height of the protrusion 108 was set to 2 mm in the center part in the longitudinal direction of the absorber and 1 mm in the outer part.
Example Embodiment
[0267] In Synthesis Example 1, first, a 5L volume reaction vessel made of SUS304 (using an anchor stirrer) equipped with a stirrer, a reflux cooling tube, a monomer dripping port, a nitrogen inlet tube, and a thermometer was added as a dispersant to Kao Co., Ltd. Prepare polyoxyethylene lauryl ether sodium sulfate (trade name EMAL20C) 0.11% [relative to the mass of acrylic acid], and add 1600 mL of cyclohexane. It was stirred under a nitrogen atmosphere, and the internal temperature was increased to 77°C.
[0268] On the other hand, a 2L three-necked flask was charged with 80% acrylic acid and ion-exchanged water manufactured by Toagosei Co., Ltd., and 48% sodium hydroxide aqueous solution manufactured by Asahi Glass Co., Ltd. was added dropwise while ice-cold to obtain a monomer aqueous solution. Sodium acrylate aqueous solution (72% neutralized product, concentration about 48%) 1054g. To this monomer aqueous solution, 0.18 g of N-acylated sodium glutamate (trade name AMISOFT G...
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