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Composite boards and panels

A technology of core board and building board, applied in the field of building board

Active Publication Date: 2019-01-04
CERALOC INNOVATION AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0054] One disadvantage is that the lower part of the paneling consists of a soft LVT layer and this part has to be used to form the locking system

Method used

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  • Composite boards and panels
  • Composite boards and panels
  • Composite boards and panels

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0185] 48% by weight of wood particles and dry fibers from spruce with a moisture content of about 1% and sieved through a 400 micron screen, with 48% by weight of PVC particles (Vestolit 1353) with an average size of 60 microns and 4% by weight of gray pigment Mixing such that a dry blend of wood particles in powder form and thermoplastic particles in powder form is obtained. Thereafter the dry blend was applied as a 12mm thick powder layer onto a 0.6mm aluminum panel, preheated to 100°C in a hot air oven and fed into a hydraulic press. The dry blend was squeezed under heating at 160° C. with a pressure of 10 bar within 2 minutes and allowed to cool. When the temperature reached 80°C, the press was turned on. Flat rigid 4 mm gray wood plastic particle (WPP) panels were obtained at room temperature.

[0186] 200g / m 2 A balanced layer of powder containing a mixture of 35% by weight of melamine, 35% by weight of wood fibers and 30% by weight of PVC powder (Vestolit 1353) was ...

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Abstract

The disclosure relates to a composite board and a building panel including a water resistant core (5) comprising thermoplastic material 21 and a surface layer (4) comprising thermosetting resins. Production methods to form a board material (1') with a dry blend of thermoplastic particles 21a in powder form and fillers in powder form and to apply a surface layer (4) with a hot-hot lamination process to a core (5) comprising such board material are also described.

Description

[0001] This application is a divisional application of the patent application with the application number 201580015530.6, the application date is March 30, 2015, and the invention name is "composite board and panel". technical field [0002] The present disclosure relates generally to the field of building panels, preferably floor panels, comprising a plastic material, preferably a thermoplastic material and a thermosetting resin, in powder form, and a filler in powder form, preferably a mixture of wood-based and mineral fillers. A production method for forming said panels including the locking system is also disclosed. [0003] Embodiments of the invention are particularly suitable for use in floors formed from floor panels comprising a core, a decorative wear surface layer and a balancing layer, preferably on the rear side of the core. The following description of the technology of the present invention, the problems of the known technology and the objects and characteristic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B37/08B32B37/06B32B37/24B32B37/10B32B21/02B32B21/12B32B27/42B32B27/20E04F15/10B32B3/06
CPCB32B27/08B32B27/20B32B27/304B32B27/32B32B27/42B32B37/0007B32B37/06B32B37/08B32B37/1027B32B37/20B32B37/24B44C5/04B32B2262/062B32B2264/067B32B2264/102B32B2307/4026B32B2307/412B32B2419/04B32B2471/00B32B2479/00B32B2607/00E04F15/102E04F15/107B32B37/144B32B2038/0076E04F15/02038Y10T428/24397Y10T428/253Y10T428/254Y10T428/31899B32B3/06B32B5/30B32B37/04B32B37/10E04F13/0894C08L27/06C08L97/02B32B2379/00B32B2311/24B32B2037/243B32B2317/16B32B2264/0257B32B2264/104E04F2201/0153E04F2201/042E04F2201/043
Inventor D·佩尔万
Owner CERALOC INNOVATION AB
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