Thermoplastic planks and methods for making the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-023/02
B32B-023/00
E04F-015/10
출원번호
US-0909684
(2004-08-02)
발명자
/ 주소
Chen,Hao A.
Judd,Richard
출원인 / 주소
Mannington Mills, Inc.
대리인 / 주소
Kilyk &
인용정보
피인용 횟수 :
61인용 특허 :
54
초록▼
A thermoplastic laminate plank is described wherein the thermoplastic laminate plank comprises a core, a print layer, and optionally an overlay. The core comprises at least one thermoplastic material and has a top surface and bottom surface wherein a print layer is affixed to the top surface of the
A thermoplastic laminate plank is described wherein the thermoplastic laminate plank comprises a core, a print layer, and optionally an overlay. The core comprises at least one thermoplastic material and has a top surface and bottom surface wherein a print layer is affixed to the top surface of the core and an overlay layer is affixed to the top surface of the print layer. Optionally, an underlay layer can be located and affixed between the bottom surface of the print layer and the top surface of the core. In addition, a method of making the thermoplastic laminate plank is further described which involves extruding at least one thermoplastic material into the shape of the core and affixing a laminate on the core, wherein the laminate comprises an overlay affixed to the top surface of the print layer and optionally an underlay layer affixed to the bottom surface of the print layer.
대표청구항▼
What is claimed is: 1. A thermoplastic laminate plank comprising: a core comprising at least one thermoplastic material and wood filler, wherein said core has a top surface and a bottom surface, and opposing sides; a print layer affixed to said top surface of said core, wherein said print layer has
What is claimed is: 1. A thermoplastic laminate plank comprising: a core comprising at least one thermoplastic material and wood filler, wherein said core has a top surface and a bottom surface, and opposing sides; a print layer affixed to said top surface of said core, wherein said print layer has a top surface and a bottom surface; and a protective layer affixed to said top surface of said print layer, wherein said thermoplastic laminate plank is domed and with the proviso that no backing layer is located adjacent the bottom surface of said core. 2. The plank of claim 1, wherein said wood filler is wood flour. 3. The plank of claim 1, wherein said wood filler is present in an amount of from 10 to about 35 parts by weight based on 100 parts by weight of the thermoplastic material. 4. The plank of claim 3, wherein said wood filler is wood flour. 5. The plank of claim 1, further comprising an underlay layer located and affixed between said bottom surface of said print layer and said top surface of said core. 6. The plank of claim 1, wherein said core further comprises at least one plasticizer. 7. The plank of claim 6, wherein said at least one plasticizer is present in an amount of less than about 20% by weight of said core. 8. The plank of claim 1, wherein said at least one thermoplastic material is polyvinyl chloride. 9. The plank of claim 1, wherein said core has a thickness of from about 5 mm to about 20 mm, a width of from about 2 cm to about 30 cm, and a length of from about 30 cm to about 130 cm. 10. The plank of claim 1, wherein said core has a series of paralleled cavities. 11. The plank of claim 1, wherein said plank has at least one groove located on a side of said core. 12. The plank of claim 1, wherein said plank has at least one tongue and one groove located on the plank. 13. The plank of claim 1, wherein two sides of said core are tapered or have beveled edges, wherein said sides are opposite to each other. 14. The plank of claim 1, wherein said print layer comprises an aminoplast resin impregnated printed paper. 15. The plank of claim 14, further comprising a printed design. 16. The plank of claim 1, wherein said overlay comprises an aminoplast resin impregnated overlay paper and aluminum oxide imbedded on the top surface of said paper. 17. The thermoplastic laminate of claim 1, wherein said thermoplastic material comprises at least one thermoplastic resin, at least one processing aid, at least one impact modifier, at least one lubricant, and at least one stabilizer. 18. The thermoplastic laminate of claim 17, wherein said thermoplastic material further comprises at least one pigment. 19. A surface covering comprising a plurality of thermoplastic laminate planks of claim 1, joined together. 20. The surface covering of claim 19, wherein said surface covering is a floor covering that is a floating floor installation. 21. A floor covering comprising a plurality of thermoplastic laminate planks, wherein said floor covering is a floating surface and wherein said thermoplastic laminate plank comprises: a core comprising at least one thermoplastic material and wood filler, wherein each core has a top surface and a bottom surface, and opposing side, and wherein said bottom surface is thermally treated by direct heating of the bottom surface; a print layer affixed to said top surface of said core, wherein said print layer has a top surface and a bottom surface, and wherein said print layer includes an aminoplast resin impregnated printed paper, and a protective layer affixed to said top surface of said print layer, with the proviso that no backing is located adjacent the bottom surface of said core. 22. The floor covering of claim 21, wherein at least a portion of said thermoplastic laminate planks are joined together by splines. 23. The floor covering of claim 21, wherein at least a portion of said thermoplastic laminate planks are joined together by a bonding agent. 24. The floor covering of claim 23, wherein said bonding agent is tetrahydrofuran, methylene chloride, a ketone, or combinations thereof. 25. A thermoplastic laminate plank comprising: a core comprising at least one thermoplastic material and wood filler, wherein said core has a top surface and a bottom surface, and opposing sides; a print layer affixed to said top surface of said core, wherein said print layer has a top surface and a bottom surface, and wherein said print layer includes an aminoplast resin impregnated printed paper; and a protective layer affixed to said top surface of said print layer, with the proviso that no backing layer is located adjacent the bottom surface of said core, wherein at least said bottom surface of the core is thermally treated by direct heating of the bottom surface. 26. The plank of claim 1, wherein said core has a surface tension of 34 dynes/cm or higher. 27. The plank of claim 1, wherein said core has a surface tension of 45 dynes/cm or higher. 28. The plank of claim 1, wherein said core has moisture resistance such that said core does not expand more than 0.04% in width or in length when subjected to conditions that subject the core from ambient conditions to 100% relative humidity and 90째 F. 29. A thermoplastic laminate plank comprising: a core comprising at least one thermoplastic material and wood filler, wherein said core has a top surface and a bottom surface, and opposing sides; a print layer affixed to said top surface of said core, wherein said print layer has a top surface and a bottom surface; a protective layer affixed to said top surface of said print layer; a surface tension of 34 dynes/cm or higher; and a moisture resistance such that said core does not expand more than 0.04% in width or in length when subjected to conditions that subject the core from ambient conditions to 100% relative humidity and 90째 F.
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