09-11-2017 дата публикации
Номер: US20170321416A1
Принадлежит:
Sound absorbing or attenuating laminate flooring materials are provided, which are directed to be used in the production of floor covering, floor panels, furniture panels, cabinets, counter-tops and wall panels. As well, the methods for producing such products are provided. In particular, abrasion resistant panels, with a laminated structure, created by forming an assembly which consists of laminating a heat-activated resin impregnated paper wear layer, a decorative layer with printed graphics or a wood veneer decorative layer, a medium density (MDF) or high-density (HDF) natural fiber-based core and a resin impregnated paper balancing layer. To achieve sound absorbing and/or attenuating properties, any or all paper layers may be pre coated with an additional flexible elastomeric coating, film or material prior to assembly of the panel, or the natural fiber core panel may be coated with a flexible elastomeric coating, film or material prior to assembly with the papers. The flexible elastomeric coating, film or material acts to absorb, reduce, and/or ameliorate the sound transmissions inherent in laminated panels. 151-. (canceled)53. A sound attenuating laminated panel as claimed in claim 52 , wherein said elastomeric material comprises a natural or synthetic resin with elastomeric properties claim 52 , and is based on a one component or multi-component claim 52 , thermoset claim 52 , thermoplastic (TPE) claim 52 , polymer.54. A sound attenuating laminated panel as claimed in claim 53 , wherein said elastomeric material is a resin based on polyurethane resins claim 53 , polyethylene resins claim 53 , Polypropylene resins claim 53 , Ethylene vinyl acetate resins claim 53 , Ethylene vinyl alcohol resins claim 53 , Polyester resins claim 53 , Polyolefin (TPO) resins claim 53 , modified Melamme-based thermoset resins claim 53 , ESI—ethylene styrene interpolymer reins claim 53 , styrene acrylic copolymer resins claim 53 , or resins based on rubber based materials claim 53 ...
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