WO2013115617A1 - Revêtement de sol ayant une couche à base de pla - Google Patents

Revêtement de sol ayant une couche à base de pla Download PDF

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Publication number
WO2013115617A1
WO2013115617A1 PCT/KR2013/000874 KR2013000874W WO2013115617A1 WO 2013115617 A1 WO2013115617 A1 WO 2013115617A1 KR 2013000874 W KR2013000874 W KR 2013000874W WO 2013115617 A1 WO2013115617 A1 WO 2013115617A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
flooring
surface layer
upper face
curved pattern
Prior art date
Application number
PCT/KR2013/000874
Other languages
English (en)
Inventor
Jee Woong Kim
Gyu Yull Kim
Chul Hyun Kim
Original Assignee
Lg Hausys, Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Hausys, Ltd. filed Critical Lg Hausys, Ltd.
Priority to US14/375,064 priority Critical patent/US20150050449A1/en
Priority to CN201380008000.XA priority patent/CN104093921A/zh
Priority to JP2014555493A priority patent/JP2015507110A/ja
Publication of WO2013115617A1 publication Critical patent/WO2013115617A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/24—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/105—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of organic plastics with or without reinforcements or filling materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/50—Self-supporting slabs specially adapted for making floors ceilings, or roofs, e.g. able to be loaded
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • Y10T428/24066—Wood grain
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612—Composite web or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24851—Intermediate layer is discontinuous or differential
    • Y10T428/24868—Translucent outer layer

Definitions

  • the present invention relates to a flooring, and more particularly, to a flooring which can easily provide a handcraft effect to enhance a natural surface texture of the flooring and can prevent compression, scratch, discoloration, and so on.
  • flooring is constructed in order to cover and decorate a concrete surface constructed on an interior floor of a building to thereby show a high-grade interior atmosphere and provide a natural wood texture effect.
  • Plywood is manufactured through the steps of: rounding off hardwood thinly without directly cutting the hardwood into a lumber or a board; cutting the thin wood board; laminating the thin boards in such a fashion that wood grains are arranged at right angles to each other; bonding the thin boards with adhesives so as to form a plate body of a predetermined thickness.
  • the plywood manufactured through the above steps has little distortion because it does not have a uniform grain direction in comparison with wooden boards having grains, and provides an enhanced tolerance in all directions.
  • such plywood has a problem in that it is deteriorated in decorative feature because it has no pattern, such as wood grains, due to the nature of the manufacturing process.
  • the surface of the plywood is decorated to have a pattern like a sliced veneer and coated with resin varnish to thereby have water resistance and tolerance against scratches.
  • the flooring using wood provides a handcraft effect to secure reality, but it is difficult to secure productivity because the handcraft effect is obtained by manual labor.
  • the flooring has several problems in that it is difficult to show the handcraft effect using sliced veneers of 0.5mm which are generally used, and in that manufacturing costs are increased because hardwood of at least 2mm is used.
  • the present invention has been made in an effort to solve the above-mentioned problems occurring in the prior arts, and it is an object of the present invention to provide a flooring, which can secure environment-friendliness by forming a surface layer laminated on an upper face of a base layer using PLA (Poly Lactic Acid) resin instead of wood, easily provide a handcraft surface texture by applying a curved pattern onto the surface of the surface layer using embossing rollers at the time that the surface layer is manufactured, and prevent compression, scratches, discoloration, and so on in comparison with woods.
  • PLA Poly Lactic Acid
  • the present invention provides a flooring, which is constructed on a floor of a building, including: a base layer made from one of an MDF, an HDF, and a plywood; and a surface layer having a reinforced layer, a printed layer, and a transparent layer which are laminated on an upper face of the base layer in order, at least one of the layers being made of PLA (Poly Lactic Acid) resin, wherein a curved pattern is formed on an upper face of the surface layer.
  • PLA Poly Lactic Acid
  • the flooring provides a handcraft surface texture by forming a curved pattern on the upper face of the surface layer.
  • the curved pattern is formed through a compression process of passing the surface layer between a pair of embossing rollers which are rotated by receiving a driving force from a motor.
  • At least one of the embossing rollers includes a protrusion part of a predetermined shape disposed on an outer circumferential surface thereof to form the curved pattern by pressing one side of the surface layer.
  • the surface layer is laminated on an upper face of the base layer by a medium of a bonding layer of thermosetting melamine resin.
  • the surface layer includes a UV coated layer laminated on the upper surface thereof.
  • the flooring further includes a balance layer disposed below the base layer for balancing against curling of upper and lower parts of the flooring.
  • the flooring according to the present invention can secure environment-friendliness and reduce manufacturing costs by forming the surface layer laminated on the upper face of the base layer using PLA (Poly Lactic Acid) resin instead of wood, easily provide a handcraft surface texture by applying a curved pattern onto the surface of the surface layer using embossing rollers at the time that the surface layer is manufactured, and prevent compression, scratches, discoloration, and so on in comparison with woods to thereby secure good surface properties.
  • PLA Poly Lactic Acid
  • FIG. 1 is a sectional view of a flooring according to the present invention.
  • FIG. 2 is a photograph showing a curved pattern of the flooring according to the present invention.
  • FIG. 3 is a photograph showing a pressurizing device for forming the curved pattern.
  • FIG. 4 is a photograph showing a pair of embossing rollers disposed on the pressurizing device.
  • FIG. 1 is a sectional view of a flooring according to the present invention
  • FIG. 2 is a photograph showing a curved pattern of the flooring according to the present invention.
  • the flooring 100 is constructed on the floor of a building, and includes: a base layer 110; and a surface layer 130 having a reinforced layer 131, a printed layer 133, and a transparent layer 135 laminated on an upper face of the base layer 110 in order, at least one of the layers being made of PLA (Poly Lactic Acid) resin.
  • a curved pattern 137 is formed on an upper face of the surface layer 130.
  • the curved pattern 137 is formed through a process of compressing the surface layer 130 after passing the surface layer 130 between a pair of rotating embossing rollers (R). (See FIG. 3)
  • a pair of the embossing rollers (R) keep a predetermined interval therebetween so as to form the curved pattern 137 with a predetermined pressure without mangling the upper face of the surface layer 130 which is impressed in one direction.
  • at least one of the embossing rollers (R) has a protrusion (R1) of a predetermined shape disposed on an outer circumferential surface thereof so as to form the curved pattern 137 by compressing one side of the surface layer 130.
  • the protrusion (R1) is formed on the upper roller. (See FIG. 4)
  • the embossing rollers (R) repeatedly form the curved pattern 137 along a longitudinal direction of the upper face of the surface layer 130 put into one side while rotating at a predetermined speed by receiving a driving force from a motor (not shown in the drawings) disposed at one side of the embossing roller (R).
  • the base layer 110 is to provide a volume of a predetermined thickness to the flooring.
  • a base layer 110 may be made from one of MDF (Medium Density Fiberboard), HDF (High Density Fiberboard), and plywood.
  • MDF Medium Density Fiberboard
  • HDF High Density Fiberboard
  • plywood plywood
  • the MDF and the HDF are manufactured through the steps of: grinding hardwood into powder; mixing glue to the powder and massing the mixture into a lump; and compressing the mixture into a board like plywood.
  • the MDF has uniform fiber distribution on the whole thickness and compact texture, it is suitable for complicated machine working carried out without breaks of faces or sides. Furthermore, the MDF is very suitable for overlaying or painting decorative films or veneers because it has a strong and smooth surface. Additionally, the MDF is used as a material for sides of a drawer, cabinet rails, mirror frames, moldings, and floorings.
  • the HDF is widely used as a plywood substitute, a furniture material, and a laminate floor because it is 900kg/m in density and is higher in intensity than the MDF.
  • the PLA (Poly Lactic Acid) resin of the surface layer 130 is lactide or lactic acid thermoplastic polyester, and may be manufactured by polymerizing lactic acid which is manufactured by fermenting starch extracted from corns, potatoes, or others.
  • Such a PLA resin has merits in that it can solve problems due to depletion of oil resources because it is renewable, and in that it is still lower in environment-harmful materials release amount and is more rapid in decomposition rate than other resins, for instance, vinyl chloride.
  • the PLA resin may be divided into a crystalline PLA (c-PLA) resin and an amorphous PLA (a-PLA) resin. Because the crystalline PLA resin may cause bleeding that plasticizer flows out of the surface of sheets, the present invention uses the amorphous PLA resin.
  • c-PLA crystalline PLA
  • a-PLA amorphous PLA
  • amorphous PLA resin it is preferable to use 100% amorphous PLA resin, but as occasion demands, a PLA resin which has crystalline and amorphous structures may be used.
  • the PLA resin may contain nonphthalate-based plasticizer for forming or acrylic copolymer, calcium carbonate, silica gel, and titanium oxide as a filler for reinforcing melt strength.
  • the plasticizer is an additive used for providing physical properties, such as processability, flexibility, and others, according to use purposes, and in the present invention, the nonphthalate-based plasticizer which is not harmful to the human body is used.
  • the surface layer 130 having the above materials and structure is laminated on the upper face of the base layer 110 by a medium of a bonding layer 110 of thermosetting melamine resin.
  • a UV coated layer 139 is laminated on the upper face of the surface layer 130 for protecting the surface layer 130 so as to secure good surface properties by preventing compression, scratch, discoloration, and so on in comparison with wood.
  • the flooring may further include a balance layer (not shown in the drawings) disposed below the base layer 110 for balancing against curling of upper and lower parts of the flooring 100.
  • a balance layer (not shown in the drawings) disposed below the base layer 110 for balancing against curling of upper and lower parts of the flooring 100.
  • the flooring 100 according to the present invention can provide the surface texture, which is looked as if a worker rounds off the surface of the surface layer 130 of the flooring using a tool such as a plane, by the curved pattern 137 formed through the process of compressing the surface layer 130 after passing the surface layer 130 between the rotating embossing rollers (R), and hence, can provide a handcraft aesthetic sense to consumers who use the flooring 100.
  • flooring 110 base layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Floor Finish (AREA)

Abstract

La présente invention à trait à un revêtement de sol qui peut garantir le respect de l'environnement, grâce à la formation d'une couche superficielle stratifiée sur une face supérieure d'une couche de base à l'aide de résine PLA (Acide Polylactique) au lieu de bois, présentant facilement une texture superficielle artisanale grâce à l'application d'un motif incurvé sur la surface de la couche superficielle à l'aide de rouleaux de gaufrage au moment de la fabrication de la couche superficielle et qui empêche la compression, les rayures, la décoloration etc. en comparaison avec le bois. Le revêtement de sol construit sur un plancher d'un bâtiment comprend : une couche de base (110) fabriquée à partir d'un MDF, d'un HDF, et d'un contreplaqué ; et une couche superficielle (130), comportant une couche renforcée (131) une couche imprimée (133), et une couche transparente (135) qui sont stratifiées sur une face supérieure de la couche de base (110) dans l'ordre, au moins l'une des couches étant constituée de résine PLA (Acide Polylactique). Un motif incurvé (137) est formé sur une face supérieure de la couche superficielle (130).
PCT/KR2013/000874 2012-02-03 2013-02-04 Revêtement de sol ayant une couche à base de pla WO2013115617A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US14/375,064 US20150050449A1 (en) 2012-02-03 2013-02-04 Flooring having pla layer
CN201380008000.XA CN104093921A (zh) 2012-02-03 2013-02-04 具有pla层的地板
JP2014555493A JP2015507110A (ja) 2012-02-03 2013-02-04 床材

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120011119A KR20130090065A (ko) 2012-02-03 2012-02-03 마루 바닥재
KR10-2012-0011119 2012-02-03

Publications (1)

Publication Number Publication Date
WO2013115617A1 true WO2013115617A1 (fr) 2013-08-08

Family

ID=48905575

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2013/000874 WO2013115617A1 (fr) 2012-02-03 2013-02-04 Revêtement de sol ayant une couche à base de pla

Country Status (5)

Country Link
US (1) US20150050449A1 (fr)
JP (1) JP2015507110A (fr)
KR (1) KR20130090065A (fr)
CN (1) CN104093921A (fr)
WO (1) WO2013115617A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101506890B1 (ko) * 2014-08-25 2015-03-31 주식회사 광성테크 Ｕｖ엠보 코팅 판재 제조방법
KR101858939B1 (ko) * 2018-03-20 2018-06-27 이종현 접착성이 향상된 마루바닥재의 제조방법

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US20090151866A1 (en) * 2007-12-14 2009-06-18 Kings Mountain International, Inc. Systems and methods for creating textured laminates
KR20090129702A (ko) * 2008-06-13 2009-12-17 김영민 고광택 패널 및 그 제조방법
US20100015420A1 (en) * 2008-03-24 2010-01-21 Michael Riebel Biolaminate composite assembly and related methods
KR20110110062A (ko) * 2010-03-31 2011-10-06 (주)엘지하우시스 Ｐｌａ 표지를 가지는 보드 복합재

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WO2011115413A2 (fr) * 2010-03-15 2011-09-22 ㈜엘지하우시스 Matériau de revêtement de sol utilisant une résine pla
KR20120001169A (ko) * 2010-06-29 2012-01-04 (주)엘지하우시스 슬립 방지 특성이 우수한 바닥재 및 이를 이용한 합성목 바닥
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5098507A (en) * 1991-01-28 1992-03-24 Mao Chen Chi Relieved plastic floor tile rolling press with an automatic alignment device
US20090151866A1 (en) * 2007-12-14 2009-06-18 Kings Mountain International, Inc. Systems and methods for creating textured laminates
US20100015420A1 (en) * 2008-03-24 2010-01-21 Michael Riebel Biolaminate composite assembly and related methods
KR20090129702A (ko) * 2008-06-13 2009-12-17 김영민 고광택 패널 및 그 제조방법
KR20110110062A (ko) * 2010-03-31 2011-10-06 (주)엘지하우시스 Ｐｌａ 표지를 가지는 보드 복합재

Also Published As

Publication number Publication date
US20150050449A1 (en) 2015-02-19
KR20130090065A (ko) 2013-08-13
CN104093921A (zh) 2014-10-08
JP2015507110A (ja) 2015-03-05

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