Release agent-free, multiple-use, polymer-based composite...

Details Release agent-free, multiple-use, polymer-based composite... Release agent-free, multiple-use, polymer-based composite...

E - Fixed Constructions

04

G

E04G 9/05 (2006.01) B32B 37/12 (2006.01)

Patent

CA 2563055

Polymer-based composite materials comprising a polymer, such as high density polyethylene, and one or more functional fillers, such as powdered metals, carbon, or ceramics, are described. The composite materials can be used for concrete forming applications. For example, the polymer-based composite materials can be formed into sheets and laminated onto various non-metal substrates, such as plywood, for use as concrete pouring forms. The polymer- based composite materials can also be used as facings and liners for metal concrete pouring forms. The forms can be used multiple times without release agents and without staining or physically damaging the cured concrete. The polymer-based composite materials can be provided with various surface textures, patterns, and designs. Methods for bonding the polymer-based composite materials to various non-metal and metal substrates are also described.

Matériaux composites à base de polymère composés d'un polymère, tel qu'un polyéthylène à densité élevée, et d'une ou de plusieurs charges fonctionnelles, telles que des poudres de métaux, de carbone ou de céramique. On peut utiliser ces matériaux composites pour couler du béton. Par exemple, on peut façonner en plaques minces ces matériaux composites et les laminer sur différents substrats non métalliques, tels que du contreplaque, pouvant être utilisés en tant que moules de coulage de béton. On peut également utiliser ces matériaux composites sous forme de surfaces ou de doublures de moules de coulage de béton en métal. On peut utiliser ces moules de multiples fois sans agent de démoulage et sans tacher ou détériorer physiquement le béton durci. Ces matériaux peuvent présenter différentes textures, différents motifs ou différentes conceptions de surface. L'invention concerne également des procédés servant à coller ces matériaux composites à base de polymère à différents substrats métalliques ou non métalliques.

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