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US 2020/0269548 A1Published application
Sandwich Panel And A Manufacturing Method Thereof
AssigneeLG Hausys, Ltd.
InventorsWon Kim, Myung Lee, Dayoung Yu, Jiwon Lim, Sang Hyun Rho, Dongmin Song, Seongmoon Jung
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Abstract
The present invention relates to a sandwich panel and a method of manufacturing the same. The sandwich panel according to the present invention has high density and improved physical properties such as flexural strength, flexural modulus, bending strength and lightening weighting ratio and is suitable for use in various consumer products or industrial materials.
Claims24
A sandwich panel comprising
- a core layer of non-woven fiber structure having a polyester-based fiber and a binder which has an apparent density of 0.5 g/cm3 to 0.8 g/cm3;
- a skin layer laminated on at least one surface of the core layer;
- and
- an adhesive layer for bonding the core layer and the skin layer,
- wherein the surface roughness (Ra) of the core layer has a range of 5 to 10 μm.
2 more elements
Dependencies are inferred from the claim text.