公开(公告)号：US20160310910A1

公开(公告)日：2016-10-27

申请号：US15104424

申请日：2014-12-11

Applicant: DSM IP ASSETS B.V.

Inventor： Roman STEPANYAN ,  Marko DORSCHU ,  Petrus Johannes Lambertus BOONEN ,  Filip Stefan Emiel OOSTERLINCK

IPC: B01D71/56 ,  B32B5/26 ,  B32B5/02 ,  B01D61/14 ,  B01D67/00

CPC classification number: B01D71/56 ,  B01D61/147 ,  B01D67/0004 ,  B01D67/0083 ,  B01D2239/025 ,  B01D2239/0631 ,  B01D2239/065 ,  B01D2323/08 ,  B01D2323/12 ,  B01D2323/39 ,  B32B5/022 ,  B32B5/24 ,  B32B5/26 ,  B32B2255/02 ,  B32B2255/26 ,  B32B2262/0261 ,  B32B2262/0276 ,  B32B2307/7145 ,  B32B2307/726 ,  D01D5/0038 ,  D01F6/90 ,  D01F6/92 ,  D10B2505/04

Abstract: The invention relates to a method for the manufacture of a layered membrane construction comprising a) providing a solution comprising a mixture of a polymer A and a polymer B in a weight ratio A/B between 50/50 and 95/05, polymer A having a melting temperature TmA and a polymer B having a melting temperature TmB wherein TmB is below TmA by at least 40° C.; b) applying the solution provided in step a) on a first carrier substrate to form a nanofiber layer on said substrate; c) consolidating the nanofiber layer formed on the substrate by thermal bonding at a temperature between TmB and TmA by means of a temperature and/or pressure cycle thus obtaining the membrane.

Abstract translation: 本发明涉及一种制造层状膜结构的方法，包括：a）提供包含聚合物A和聚合物B的混合物的溶液，其重量比A / B为50/50至95/05，聚合物A具有 熔融温度TmA和熔点TmB的聚合物B，其中TmB低于TmA至少40℃; b）将步骤a）中提供的溶液施加到第一载体衬底上，以在所述衬底上形成纳米纤维层; c）通过温度和/或压力循环在TmB和TmA之间的温度下通过热粘合来固结在基底上形成的纳米纤维层，从而获得膜。