Layered composite comprising a fire-retardant composite material
Assignee3D | Coregmbh & Co. KG
InventorFritz M. Streuber
Life of this patent
Estimating the term…
Abstract
A layered composite includes: a foam core made of a plastic foam; and a first cover layer and a second cover layer, between which the foam core is arranged, wherein at least one of the cover layers is a fiber material layer containing reinforcement fibers embedded in plastic. A plastic resin fills intermediate spaces between the cover layers in and around the foam core and holds the cover layers and the foam core together. The layered composite includes a fire protection layer made of a composite material on a side of the fiber material layer facing away from the foam core. The composite material contains hollow micro-bodies made of ceramics or glass in a plastic material.
Claims19
A layered composite, comprising:
- a foam core made of a plastic foam;
- a first cover layer and a second cover layer, between which the foam core is arranged, wherein at least one of the cover layers is a fiber material layer containing reinforcement fibers embedded in plastic;
- a plastic resin which fills intermediate spaces between the cover layers in and around the foam core and holds the cover layers and the foam core together;
- and
- a fire protection layer made of a composite material on a side of the fiber material layer facing away from the foam core,
- wherein the composite material contains hollow micro-bodies made of ceramics or glass in a plastic material.
A fire protection filler, which is a composite material containing hollow micro-bodies made of glass or ceramics in a plastic material, wherein
- (a) a proportion by volume of the hollow micro-bodies of the composite material is larger than a proportion by volume of the plastic material of the composite material,
- (b) the hollow micro-bodies have a density of at most 0.2 g/ccm, and
- (c) at least 80% by mass of the plastic material of the composite material consists of a polymer phase which is or contains a vinyl ester resin or a saturated polyester resin or an unsaturated polyester resin or a mixture of two or more of these polymers.
Dependencies are inferred from the claim text.