MULTILAYER OR MONOLAYER FLOORING

• US 20190323244A1
• Filed: 04/11/2019
• Published: 10/24/2019
• Est. Priority Date: 04/20/2018
• Status: Active Application

• Current Assignee: Gerflor SAS
• Original Assignee: Gerflor SAS
• Inventors: KROSCHWALD, Felix
• Application Number:
  US16/381,011
• Publication Number:
  US 20190323244A1
• Time in Patent Office: Days
• CPC Class Codes: B32B 2250/02 2 layers
• CPC Class Codes: B32B 2250/24 All layers being polymeric
• CPC Class Codes: B32B 2250/246 All polymers belonging to those covered by groups B32B27/32 and B32B27/30
• CPC Class Codes: B32B 2255/10 on synthetic resin layer or on natural or synthetic rubber layer
• CPC Class Codes: B32B 2264/102 Oxide or hydroxide
• CPC Class Codes: B32B 2264/107 Ceramic
• CPC Class Codes: B32B 2264/108 Carbon, e.g. graphite particles
• CPC Class Codes: B32B 2266/0242 Acrylic resin
• CPC Class Codes: B32B 2266/025 Polyolefin vinyl or acrylic copolymers B32B2266/0221, B32B2266/0242
• CPC Class Codes: B32B 2266/0264 Polyester
• CPC Class Codes: B32B 2270/00 Resin or rubber layer containing a blend of at least two different polymers
• CPC Class Codes: B32B 2272/00 Resin or rubber layer comprising scrap, waste or recycling material
• CPC Class Codes: B32B 2307/536 Hardness
• CPC Class Codes: B32B 2307/54 Yield strength; Tensile strength
• CPC Class Codes: B32B 2307/544 Torsion strength; Torsion stiffness
• CPC Class Codes: B32B 2307/718 Weight, e.g. weight per square meter
• CPC Class Codes: B32B 2307/72 Density
• CPC Class Codes: B32B 2307/732 Dimensional properties
• CPC Class Codes: B32B 2307/748 Releasability
• CPC Class Codes: B32B 2419/04 Tiles for floors or walls tiles for roofs B32B2419/06
• CPC Class Codes: B32B 2471/00 : Floor coverings B32B2419/04 takes precedence
• CPC Class Codes: B32B 25/08 : of synthetic resin
• CPC Class Codes: B32B 25/12 : comprising natural rubber
• CPC Class Codes: B32B 25/14 : comprising synthetic rubber copolymers B32B25/18 and B32B25/20 take precedence
• CPC Class Codes: B32B 2605/003 : Interior finishings
• CPC Class Codes: B32B 27/065 : of foam
• CPC Class Codes: B32B 27/08 : of synthetic resin
• CPC Class Codes: B32B 27/18 : characterised by the use of special additives
• CPC Class Codes: B32B 27/20 : using fillers, pigments, thixotroping agents
• CPC Class Codes: B32B 27/285 : comprising polyethers
• CPC Class Codes: B32B 27/30 : comprising vinyl (co)polymers; comprising acrylic (co)polymers
• CPC Class Codes: B32B 27/304 : comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
• CPC Class Codes: B32B 27/306 : comprising vinyl acetate or vinyl alcohol (co)polymers
• CPC Class Codes: B32B 27/308 : comprising acrylic (co)polymers
• CPC Class Codes: B32B 27/32 : comprising polyolefins comprising vinyl (co)polymers or acrylic (co)polymers B32B27/30
• CPC Class Codes: B32B 27/36 : comprising polyesters
• CPC Class Codes: B32B 5/18 : characterised by features of a layer of foamed material
• CPC Class Codes: B32B 7/12 : using interposed adhesives or interposed materials with bonding properties
• CPC Class Codes: C08K 3/34 : Silicon-containing compounds
• CPC Class Codes: C08L 2205/035 : containing four or more polymers in a blend
• CPC Class Codes: C08L 23/04 : Homopolymers or copolymers of ethene
• CPC Class Codes: C08L 23/0815 : Copolymers of ethene with aliphatic 1-olefins
• CPC Class Codes: C08L 23/0853 : Vinylacetate
• CPC Class Codes: C08L 23/0869 : Acids or derivatives thereof
• CPC Class Codes: C08L 23/14 : Copolymers of propene C08L23/16 takes precedence
• CPC Class Codes: C08L 33/10 : Homopolymers or copolymers of methacrylic acid esters
• CPC Class Codes: C08L 51/06 : grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
• CPC Class Codes: C08L 53/00 : Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
• CPC Class Codes: C08L 67/02 : Polyesters derived from dicarboxylic acids and dihydroxy compounds C08L67/06 takes precedence
• CPC Class Codes: C08L 83/04 : Polysiloxanes
• CPC Class Codes: C09D 123/0869 : Acids or derivatives thereof
• CPC Class Codes: E04F 15/105 : of organic plastics with or without reinforcements or filling materials
• CPC Class Codes: E04F 15/107 : composed of several layers, e.g. sandwich panels layered products in general B32B; producing decorative panels or veneers B44C5/04

Abstract

The invention relates to a flooring comprising at least a VA layer, wherein said VA layer comprises:

• • at least one thermoplastic polymer,
  • at least one ethylene-vinyl acetate (EVA) polymer,
  • at least one ethylene-butyl acrylate (EBA) polymer,
    wherein the at least one EVA polymer of the VA layer contains overall at least 30 mol % of vinyl acetate monomer.

This flooring can be used in any kind of applications, preferably in any of the following: airplane, office, public transport, housing, industry, sports.

Claims

1. Flooring comprising at least a VA layer, wherein said VA layer comprises:

at least one thermoplastic polymer,

at least one ethylene-vinyl acetate (EVA) polymer,

at least one ethylene-butyl acrylate (EBA) polymer,

wherein the at least one EVA polymer of the VA layer contains overall at least 30 mol % of vinyl acetate monomer.

2. Flooring according to claim 1, characterized in that the thermoplastic polymer is selected from the group consisting of polypropylene, polypropylene copolymers (PP), high density polyethylene (HDPE), linear low density polyethylene (LLDPE), low density polyethylene (LDPE), poly(methyl methacrylate) (PMMA), glycol-modified polyethylene terephthalate (PETG), ethylene-octene copolymers (EO), and mixtures thereof.

3. Flooring according to claim 1, characterized in that the VA layer further comprises at least one compatibilizing agent and/or at least one filler coupling agent.

4. Flooring according to claim 1, characterized in that the VA layer further comprises:

at least one compatibilizing agent, which is selected from the group consisting of maleic anhydride grafted polymers and glycidyl methacrylate grafted polymers,

and/or

at least one filler coupling agent, which is selected from the group of organo silicones like alkoxy silane, organo silane, silicone oligomers, silanols, siloxanes, silyl chlorides and silyl hydrides.

5. Flooring according to claim 1, characterized in that the VA layer further comprises between 1 and 9 wt % of at least one compatibilizing and/or at least one filler coupling agent, by weight as compared to the weight of the VA layer, preferably between 3 and 5 wt %.

6. Flooring according to claim 1, characterized in that the VA layer further comprises at least one homogeneizing agent.

7. Flooring according to claim 1, characterized in that the VA layer further comprises at least one homogeneizing agent, which is a styrenic block copolymers selected from the group consisting of styrene ethylene butylene styrene copolymer, styrene ethylene propylene styrene copolymer, styrene butadiene styrene copolymer, styrene isoprene styrene copolymer.

8. Flooring according to claim 1, characterized in that the VA layer further comprises between 1 and 10 wt % of at least one homogeneizing agent, by weight as compared to the weight of the VA layer, preferably between 4 and 7 wt %.

9. Flooring according to claim 1, characterized in that the VA layer further comprises at least one filler.

10. Flooring according to claim 1, characterized in that the VA layer further comprises at least one filler, which is selected from the group consisting of chalk, kaolin, talcum, alumina trihydrate, magnesium hydroxide, hydroxyapatite, glimmer, graphite, microspheres, titanium dioxide, dolomite, antimony trioxide, zinc borate, zinc stannate and zinc hydroxy stannate.

11. Flooring according to claim 1, characterized in that the VA layer further comprises between 20 and 70 wt % of at least one filler, by weight as compared to the weight of the VA layer, preferably between 45 and 55 wt %.

12. Flooring according to claim 1, characterized in that the VA layer is homogeneous.

13. Flooring according to claim 1, characterized in that the VA layer contains by weight as compared to the weight of the VA layer:

between 5 and 20 wt % of at least one thermoplastic polymer,

between 5 and 20 wt % of at least one ethylene-vinyl acetate (EVA) polymer,

between 5 and 30 wt % of at least one ethylene-butyl acrylate (EBA) polymer,

between 1 and 9 wt % of at least one compatibilizing agent and/or at least one filler coupling agent,

between 1 and 10 wt % of at least one homogeneizing agent,

between 20 and 70 wt % of at least one filler.

14. Flooring according to claim 1, characterized in that the VA layer is free of any fibrous backing or free of poly(vinyl chloride).

15. Flooring according to claim 1, characterized in that the flooring is a monolayer flooring made of the VA layer.