Lamination between plastic resins to cement

Details Lamination between plastic resins to cement Lamination between plastic resins to cement

B - Operations, Transporting

28

B

B28B 1/30 (2006.01) B28B 19/00 (2006.01) B32B 13/12 (2006.01) C04B 41/45 (2006.01) C04B 41/61 (2006.01) E04C 2/26 (2006.01) E04C 5/04 (2006.01)

Patent

CA 2156955

A shelled structure is composed of a resinous plastic layer that is bonded to a hydraulic cement layer by the presence of preformed wire, silica sand or chopped glass fibres at the interface. Set into the resin layer while it is still tacky the wire, sand or glass particles bond readily to both the resin and cement. A wire reinforcing mesh or matrix within the cement layer improves its strength and stability. Wire stubs set into the resin layer may be used to locate the wire matrix. Bonding is improved when the resin wire is in the form of a corrugated grid with part of the grid embedded in the resinous plastic layer. Bonding is further improved when a wire grid is used as the coupling agent in combination with sand particles or chopped glass. Alternately, these latter components may be used without a wire grid. Panel strength is improved when the embedded portion of the wire is overlaid with fibre reinforced resin.

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