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US 2023/0140264 A1Published application
Separation sheet and use thereof for providing waterproofed structures
AssigneeSika Technology AG
InventorsYizhe WEI, Qin WEI
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Abstract
A separation sheet includes a polymeric carrier layer, a first adhesive layer, a second adhesive layer, and optionally a first and a second release liner. A method for producing a separation sheet, a method for waterproofing a substrate, a waterproofed substrate, and a use of the separation sheet for bonding of roof membranes to roof substrates.
Claims15
A separation sheet comprising:
- i) A polymeric carrier layer having a first and a second major surface,
- ii) A first adhesive layer covering at least a portion of the first major surface of the polymeric carrier layer,
- iii) A second adhesive layer covering at least a portion of the second major surface of the second major surface of the polymeric carrier layer,
- iv) Optionally a first release liner covering the outwardly facing surface of the first adhesive layer opposite to the side of the polymeric carrier layer, and
- v) Optionally a second release liner covering the outwardly facing surface of the second adhesive layer opposite to the side of the polymeric carrier layer, wherein
- the first adhesive layer is composed a first adhesive composition and the second adhesive layer is composed of a second adhesive composition different from the first adhesive composition.
3 more elements
Dependencies are inferred from the claim text.