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公开(公告)号：EP3393930A1
公开(公告)日：2018-10-31
申请号：EP16881405.1
申请日：2016-12-27
申请人： Elbit Systems Ltd.
发明人： ALKAHER, Shlomo , LEWITUS, Dan , OPHIR, Amos , DOTAN, Ana Lea
CPC分类号： B65D65/466 , B32B7/04 , B32B9/02 , B32B9/045 , B32B23/04 , B32B23/08 , B32B23/20 , B32B27/06 , B32B27/08 , B32B27/18 , B32B27/20 , B32B27/32 , B32B27/36 , B32B2250/03 , B32B2250/24 , B32B2250/244 , B32B2264/04 , B32B2264/065 , B32B2307/54 , B32B2307/558 , B32B2307/7163 , B32B2307/7246 , B32B2307/7265 , B32B2307/728 , B32B2307/732 , B32B2317/18 , B32B2317/20 , B32B2439/00 , B32B2439/40 , B32B2439/46 , B32B2553/00 , B64D1/02 , B65D65/46 , B65D85/72 , Y02W90/13
摘要： A biodegradable polymeric sheet may be configured to undergo biodegradation on the ground responsive to an exposure to free air and natural day light. The biodegradable polymeric sheet may include a first layer comprising polysaccharide at a weight % of between 15% to 50% and a polyester matrix, the first layer is configured to form a water barrier when in contact with water; a second layer comprising a polysaccharide at a weight % of at least 40% and a polyester matrix; and a third layer comprising polysaccharide at a weight % of between 15% to 50%, a polyester matrix and an additive configured to accelerate disintegration of the polymeric sheet when exposed to natural day light, the third layer is configured to form a water barrier when in contact with water.
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