发明名称 METHOD FOR RECYCLING PAPER PRODUCTS GLUED AND/OR COATED WITH BIODEGRADABLE POLYMERS
摘要 <p>A method for recycling a paper product sized, coated, or both sized and coated with a polymer, including: pulping an aqueous wastepaper suspension including a paper product in the presence of a hydrolase, the paper product being a paper product sized and/or coated with a polyester to obtain an aqueous solution, which is a waste paper suspension including a mixture of paper fibers and the polyester, and separating the polyester from the wastepaper suspension to recycle the paper fibers of the paper product, wherein the polyester is a polyester having a melt flow rate according to EN ISO 1133 (190° C., 2.16 kg weight) of from 2 to 50 cm3/10 min, and the hydrolase includes at least one of a carboxyesterase [3.1.1.1], a lipase [3.1.1.3], and a cutinase [3.1.1.74].</p>
申请公布号 EP2494106(A1) 申请公布日期 2012.09.05
申请号 EP20100768263 申请日期 2010.10.25
申请人 BASF SE 发明人 YAMAMOTO, MOTONORI;KUENKEL, ANDREAS;SKUPIN, GABRIEL;BLUM, RAINER
分类号 D21C5/02;C08G63/00;D21H19/28;D21H21/16 主分类号 D21C5/02
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