B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/00 (2006.01) C09D 133/22 (2006.01) D06N 3/00 (2006.01) G02B 6/44 (2006.01) H01B 3/30 (2006.01) H01B 7/282 (2006.01)
Patent
CA 2080131
A water shieldable material comprising a coating layer (2) having a specific density and comprising a specific rubber binder having non-watersolubility and flexibility and a high water absorption polymer particle (4) having a specific diameter and a solid substrate (3) supporting the coating layer, and at least satisfying the following conditions. 1. The density of the coating layer is between 0.65 g/cm3 and 1.00 g/cm3. 2. The weight ratio of the high water absorption polymer particle and the rubber group binder in the main portion, i.e., 90% or more by weight of the coating layer, is between 50% by weight and 90% by weight for the high water absorption polymer particle and between 10% by weight and 50% by weight. 3. The diameter of the particles belonging to the weight ratio of between 55% by weight and 95% by weight in the high water absorption polymer particle is between 45 µm and 425 µm.
Fujisawa Noriaki
Kukita Shigezou
Kuwabara Tsuneo
Sakai Yasuro
Asaki Kasei Kogyo Kabushiki Kaisha
Goudreau Gage Dubuc
Nippon Telegraph And Telephone Corporation
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