Laminated material and paper pack container formed from said laminated material
AssigneeSumitomo Chemical Company, Limited
InventorsMotonobu Furuta, Takanari Yamaguchi
Life of this patent
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Abstract
A laminated material comprising at least a paper layer as a substrate and a layer of a liquid-crystal polyester resin composition, which are laid one upon the other, the liquid-crystal polyester resin composition-containing layer comprising (A) liquid-crystal polyester as a continuous phase and (B) rubber having a functional group reactive with the liquid-crystal polyester as a dispersed phase. The laminated material has an excellent heat resistance, flexibility, and gas barrier properties and a paper pack container is formed from said laminated material.
Claims17
A laminated material comprising at least a paper layer as a substrate and a layer of a liquid-crystal polyester resin composition, which are laid one upon the other, said liquid-crystal polyester resin composition comprising (A) 70 to 98% by weight of a liquid-crystal polyester as a continuous phase and (B) 30 to 2% by weight of a rubber having a functional group reactive with the liquid-crystal polyester as a dispersed phase.
A laminated material comprising a paper layer as a substrate, a layer of a liquid-crystal polyester resin composition, and a thermoplastic resin layer, which are laid one upon another, said liquid-crystal polyester resin composition comprising (A) 70 to 98% by weight of a liquid-crystal polyester as a continuous phase and (B) 30 to 2% by weight of a rubber having a functional group reactive with the liquid-crystal polyester as a dispersed phase.
Dependencies are inferred from the claim text.