Patent ID: 8609213
Filing Date: 2013-12-17
Classification: C09J,E02D,E04B,Y10T

Abstract:
1. A waterproofing membrane comprising the following laminated layers: layer A comprising a waterproofing adhesive; layer B comprising a carrier sheet; layer C comprising a releasable bonding material; and layer D comprising a protective coating; wherein the releasable bonding material (layer C) is a material that will strongly adhere to the protective coating (layer D) and releasably adhere to the carrier sheet (layer B), has a thickness (dry) of about 0.1 to 20 μm, and comprises a water soluble polymer, an alkali soluble polymer or a homopolymer or copolymer of polyvinyl acetate; wherein the membrane does not include a removable release sheet; and wherein (i) the laminated layers are arranged in the sequential order A-B-C-D; or (ii) the laminated layers are arranged in the sequential order B-C-D-A; or (iii) the laminated layers are arranged in the sequential order C-D-A-B.