KR101102161B1 - Tile type flooring having superior cushion function and size stability - Google Patents

Tile type flooring having superior cushion function and size stability Download PDF

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Publication number
KR101102161B1
KR101102161B1 KR20080020999A KR20080020999A KR101102161B1 KR 101102161 B1 KR101102161 B1 KR 101102161B1 KR 20080020999 A KR20080020999 A KR 20080020999A KR 20080020999 A KR20080020999 A KR 20080020999A KR 101102161 B1 KR101102161 B1 KR 101102161B1
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KR
South Korea
Prior art keywords
layer
thickness
cushion
transparent
dimensional
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Application number
KR20080020999A
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Korean (ko)
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KR20090095824A (en
Inventor
김규열
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(주)엘지하우시스
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Priority to KR20080020999A priority Critical patent/KR101102161B1/en
Priority to PCT/KR2009/000739 priority patent/WO2009110686A2/en
Publication of KR20090095824A publication Critical patent/KR20090095824A/en
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Publication of KR101102161B1 publication Critical patent/KR101102161B1/en

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
    • B32B2315/08—Glass
    • B32B2315/085—Glass fiber cloth or fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/04—Tiles for floors or walls

Abstract

The present invention relates to a floor-like decorative material in the form of a tile, by applying a cushion layer and a dimensional reinforcement layer to improve the feeling of walking, stability, and gaps in the use of the room, the surface treatment layer, transparent layer, printed layer, the first substrate from above It provides a flooring material in which a layer, a dimensional reinforcement cushion layer, a second substrate layer, a balance layer sequentially laminated.

Cushion, Reinforcement, Floor Decoration

Description

Tile type flooring having superior cushion function and size stability}

The present invention relates to a floor-like decorative material in the form of a tile, and more particularly, by applying a cushioning layer and a dimensional reinforcement layer, a flooring material which improves the feeling of walking, stability, and gap in the real use, which is a surface treatment layer, a transparent layer, and a printing layer from above. And a first base layer, a dimensional reinforcement cushion layer, a second base layer, and a balance layer in order to sequentially laminate the flooring material.

Generally used tile type flooring material is gravure printing or transfer printing on the color vinyl chloride resin sheet layer, and then the outer layer is protected by transparent vinyl chloride resin to express the appearance. Cushion) A product was manufactured by sequentially laminating a vinyl chloride resin base layer and a vinyl chloride resin balance layer.

Such products have a gap in the product due to the temperature change after the construction and the product is hard, causing inconvenience to use.

In order to improve the gait and stability, which is a problem of the gap between the products after such construction, there is a case in which the aging time is increased or the prescription is adjusted during the manufacture of the product, but this alone has a limitation in improving the problem of the underlying product.

Republic of Korea Utility Model Registration No. 430422 is a floor tile of a laminated structure comprising a glass fiber layer and a semi-foaming layer below, as a dimensional reinforcement layer, a semi-foaming layer, a glass fiber layer, an upper layer, a printing layer, a transparent upper layer, a surface treatment layer Disclosed is a floor tile having a laminated structure.

In Japanese Patent Laid-Open No. 11-22167, a vinyl chloride backing layer is formed on the back side of a glass nonwoven fabric, a substrate is provided on the bottom surface of the vinyl chloride backing layer, and a vinyl chloride layer is formed on the surface of the glass nonwoven fabric. A nonwoven fabric comprising a printed layer, a transparent vinyl chloride layer formed on the printed layer, a nonwoven fabric having a bottle shape on the transparent vinyl chloride layer, and a transparent vinyl chloride layer formed on the nonwoven fabric having a bottle shape. A two-layered flooring is disclosed.

Japanese Patent Application Laid-Open No. 5-214803 discloses a floor tile composed of a transparent wear resistant layer, a decorative layer composed of a shape layer, an upper reinforcement layer, a fiber cloth, a reinforcement portion composed of a lower reinforcement layer, a foamed resin layer, and a balance sheet.

In Japanese Laid-Open Patent Publication No. H10-211081, a laminate having a sheet-like material composed of a thermoplastic body made of a thermoplastic resin, a waterproof film layer formed on the front side of the base material, and an elastic foam sheet material bonded to the back side, The elastic foam sheet material is to impart elasticity and cushioning properties to the mat, and a mat composed of a rubber foam such as synthetic resin foam such as EVA and styrene butadiene rubber is disclosed.

Korean Patent Publication No. 2003-53135 discloses a base layer including glass fibers bonded between a foam upper layer and a foam lower layer, and a back layer is formed below the foam lower layer, and the substrate layer is coated with carbon or metal alloy. Or a method of manufacturing a flooring material is characterized by impregnating a mat consisting of a non-woven fabric in a paste sol containing a vinyl chloride resin paste, a plasticizer, a stabilizer and the like, and then drying it in a heated state of 140 to 200 ℃. .

Accordingly, it is an object of the present invention to provide a flooring material that can improve gait, stability and gap opening during use.

In order to achieve the above object, the present invention provides a floor decorative material including a dimensional reinforcement cushion layer composed of a cushion layer and a dimensional reinforcement layer as a floor decorative material in the form of a tile.

In the present invention, the dimensional reinforcing layer is a layer obtained by impregnating the glass fiber sheet with vinyl chloride sol and gelling, and the cushion layer is a layer of foaming vinyl chloride foam sol.

In the present invention, the cushion layer may be laminated on the top, bottom, both sides of the dimensional reinforcement layer or the bottom of the flooring material.

In the present invention, the thickness of the reinforcement cushion layer is preferably 25 to 50% of the total thickness of the product, and the thickness of the reinforcement cushion layer is preferably 0.7 to 5 mmT. When the thickness of the dimensional reinforcement cushion layer is less than 25% of the total thickness of the product, there is a limit to providing walking feeling and shock absorption, and when the size of the dimensional reinforcement cushion layer exceeds 50%, it is limited to granting basic properties such as durability or pressing marks by heavy materials. There is.

Flooring material according to an embodiment of the present invention may be composed of a surface treatment layer, a transparent layer, a printing layer, a first substrate layer, a dimensional reinforcement cushion layer, a second substrate layer and a balance layer from above.

In the present invention, the first substrate layer and the second substrate layer have the same thickness as the same prescription, the transparent layer and the balance layer may have the same thickness as the same prescription, and the thickness of the first substrate layer is equal to the thickness of the second substrate layer 1/3 to 1/2, the thickness of the balance layer may be 1/2 to 9/10 of the thickness of the transparent layer and the printed layer.

Tile-like floor decorative material according to the present invention can improve the feeling of walking, stability and gap opening when using a cushion layer and the dimensional reinforcement layer as a vinyl floor decorative material.

Hereinafter, the tile type flooring according to the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded plan view of a flooring material according to a first embodiment of the present invention, and FIG. 3 is a cross-sectional view. The flooring material of this embodiment is a surface treatment layer 1, a transparent layer 2, a printing layer 3, The first base layer 4, the cushion layer 5, and the dimensional reinforcement layer 6 of the dimensional reinforcement cushion layer 7, the second base layer 8, and the balance layer 9.

2 is an exploded plan view of a flooring material according to a second embodiment of the present invention, and FIG. 4 is a cross-sectional view, in which the flooring material of this embodiment is a surface treatment layer (1), a transparent layer (2), a printing layer (3), The first base layer 4, the dimensional reinforcement layer 6 and the cushion layer 5 of the dimensional reinforcement cushion layer 7, the second base layer 8 and the balance layer (9).

Although not shown in the figure, the cushion layer 5 may be configured under the balance layer 9, ie at the bottom.

The surface treatment layer 1 is for imparting physical properties such as initial stain resistance, scratch resistance, abrasion resistance, and durability of a product. The surface treatment layer 1 is coated with an ultraviolet curable resin (for example, a urethane acrylate resin) composition and then cured with ultraviolet rays. Form.

The transparent layer 2 is a transparent layer which determines the surface durability of the product in use and protects the printed layer 3 while showing the printed pattern. The transparent layer 2 is composed of a conventional vinyl chloride sheet layer.

The printing layer 3 is a layer that determines the appearance of the product, and is preferably printed on a plastic-free white sheet in order to minimize deformation of the printed pattern.

The first substrate layer and the second substrate layers 4 and 8 are substrates imparting dimensional stability, and are constituted by ordinary vinyl chloride sheet layers.

The dimensional reinforcement cushion layer (7) is a layer that provides the product deformation prevention function and walking comfort and stability according to the temperature change during actual use of the flooring material, and consists of a cushion layer (5) and the dimensional reinforcement layer (6).

The dimensional reinforcement cushion layer (7) is a glass fiber sheet prepared by properly mixing glass fibers and pulp with a binder, and impregnated with vinyl sol (PVC Sol), followed by gelation of the dimensional reinforcement layer (6). In order to provide a cushioning function to the dimensional reinforcing layer (6), the foam sol is coated with a coater with a predetermined thickness and then foamed at a predetermined magnification in a hot air oven to form a cushion layer (5).

The balance layer 9 is a layer laminated on the lower part of the second base layer 8 to impart a balance of the product, and is composed of a normal vinyl chloride sheet layer.

The total thickness of the floor decorative material according to the present invention is more than 4 mm is appropriate, the dimensional reinforcement cushion layer (7) is a layer for imparting a walking feeling and noise reduction function in actual use, the thickness is 25 to 50% of the total thickness of the product Is suitable. And in order to protect this cushion layer, it is preferable to laminate | stack the 1st base material layer 4 of predetermined thickness under the printing layer 3 below.

The floor decorative material of the present invention is a tile-type floor decorative material, unlike a long floor decorative material is a product that should be almost no lifting phenomenon, and therefore dimensional stability is one of the important physical properties.

In the present invention, while applying the dimensional reinforcement cushion layer (7), which was not applied to the tile-type floor decorative material, the transparent layer (2) and the first base layer (4) on the upper part of the dimensional reinforcement cushion layer (7) By laminating the second base layer 8 and the balance layer 9 symmetrically on the lower side, the lifting phenomenon of the product can be prevented and the dimensional stability can be improved dramatically.

When the dimensional reinforcement cushion layer 7 is used, the first base material layer 4 and the second base material layer 8 use the same prescription and the same thickness based on the dimensional reinforcement cushion layer 7 and the transparent layer 2 ) And the balance layer 9 are also preferably the same prescription and the same thickness structure design, but when the total thickness of the product is 5 mmT in order to reduce the production cost, mainly the dimensional reinforcement cushion layer (7) The base layer 4 is 1/3 to 1/2 the thickness of the second base layer 8, and the balance layer 9 is 1/2 to 9/10 of the thickness of the transparent layer 2 and the printing layer 3. It is desirable to design the structure to a thickness of.

For example, when the total product thickness is 5 mmT and 4 mmT, the thickness of each layer may be configured as shown in Table 1.

Floor thickness (mmT) Product thickness 5 mm Product thickness 4 mm Surface Treatment Layer 0.015 0.015 Transparent layer 0.15 0.15 Printed layer 0.1 0.1 1st base layer 0.6-0.9 0.6-0.9 Dimension reinforcement cushion layer 2.0 1.0 2nd base layer 1.8-2.0 1.8-2.0 Balance layer 0.13-0.15 0.13-0.15

Looking at the manufacturing process of the flooring according to the invention briefly.

First, a glass fiber sheet of 30 to 60 g / m 2 is impregnated in vinyl chloride sol, and then gelled in a gelling drum at 150 to 170 ° C. to prepare a dimensional reinforcing layer 6, and then the dimensional reinforcing layer 6 40 to 80 parts by weight of plasticizer of low volatility type, 2 to 4 parts by weight of azodicarbonamide as a foaming agent, 1 to 3 parts by weight of zincation as a foaming accelerator, and pigments based on 100 parts by weight of a high polymerization PVC resin having a degree of polymerization of 1,500 to 2,000. A foamed sol made by mixing 1 to 5 parts by weight of titanium phosphate and 1 to 200 parts by weight of calcium bicarbonate as a filler was coated using a knife cotta, and then the temperature gradient was once set at 150 to 170 ° C. and 190 to 200 times at twice. By gradually increasing the temperature at 3 ° C., 3 times 200 to 210 ° C., 4 times 170 to 190 ° C., and heating at a speed of 7 to 20 m / min for 2 to 3 minutes to form the cushion layer 5. The dimensional reinforcement cushion layer 7 is manufactured.

Next, the printed layer 3 is formed by printing a desired printed pattern such as wood, stone, and fabric on the vinyl chloride color sheet layer. At this time, in order to prevent sagging of the printed pattern, the drying temperature of the ink is 30 ° C. or less.

Next, the first base layer 4 and the second base layer 8 made of a vinyl chloride resin composition are sheeted to a desired thickness using two calendars. The balance layer 9 and the transparent layer 2 made of a vinyl chloride resin composition are manufactured to a predetermined thickness using four calendars.

Next, the semi-finished product thus formed is formed from the balance layer 9, the second base layer 8, the dimensional reinforcement cushion layer 7, the first base layer 4, the print layer 3, and the transparent layer 2 from below. After lamination using a continuous roll capable of heating and cooling at a constant pressure in order, the urethane acrylate resin is applied to the surface layer and cured with ultraviolet rays to form the surface treatment layer 1 to complete the product.

Hereinafter, the present invention will be described in detail through examples.

[Example]

1. A glass fiber sheet (30-60 g / m 2) was impregnated in a vinyl chloride sol having the composition of Table 2, and then gelled in a gelling drum at 150 to 160 ° C. to prepare a dimensional reinforcing layer 6.

2. Coating vinyl chloride foam sol (including 3 parts by weight of foaming agent azodicarbonamide) of Table 2 on the dimension reinforcing layer (6), and foaming at a constant magnification by placing a temperature gradient in a hot air oven to form a cushion layer (5). Thus, the dimensional reinforcement cushion layer 7 was manufactured.

3. The color sheet layer composition of Table 2 was rolled to a thickness of 0.09 to 0.1 mmT at a temperature of 170 ° C. to 180 ° C. using a calender to produce a color sheet layer, and then the color sheet layer was fixed to the color sheet layer. The pattern in the form was printed by a gravure printing machine to form a printed layer (3). At this time, the drying temperature of the ink was set to 30 ° C and dried for about 10 seconds.

4. The first base layer 4 and the second base layer 8 of the desired thickness were prepared by rolling the substrate layer composition of Table 2 at a temperature of 140 to 150 ° C. using a calender.

5. The balance layer composition of Table 2 was rolled to a temperature of 160 to 170 ℃ using a calendar to prepare a balance layer 9 of the desired thickness.

6. The transparent layer composition of Table 2 was rolled to a temperature of 160 to 170 ℃ using a calendar to prepare a transparent layer 2 of the desired thickness.

7. Each of the semi-finished products prepared above was loaded with a balance layer (9), a second substrate layer (8), a dimensional reinforcement cushion layer (7), a first substrate layer (4), a print layer (3), and a transparent layer ( The first semi-finished product was prepared by laminating continuous plywood using a roll capable of heating and cooling at a constant pressure in the order of 2). At this time, the working conditions of each roll were molded at a pressure of 5 to 10 kgf / cm 2, a heating temperature of 145 to 155 ° C., and a cooling temperature of 25 to 30 ° C. to prepare a primary semifinished product.

8. Then, a urethane acrylic UV curable resin was applied on the transparent layer 2 of the semifinished product 10-50 μm and cured with ultraviolet rays to form a surface treatment layer 1 of a thin film to prepare a secondary semifinished product as shown in FIG. 1. Then, it was cut to a cutting machine of a certain form to complete the flooring material excellent cushioning function and dimensional stability of the present invention.

division ingredient Content (parts by weight) Vinyl chloride PVC resin: degree of polymerization 1700
Plasticizer: Dioctylphthalate (DOP)
Secondary plasticizer: epoxy
Secondary plasticizer: D-240R
Filler: Calcium Carbonate
Stabilizer: Ba-Zn 100
60
3
20
150
3 Transparent sheet layer PVC resin: degree of polymerization 1,000
Plasticizer: DOP
Secondary plasticizer: EPOXY
Stabilizer: Ba-Zn 100
23-32
3
3 Color sheet layer PVC resin: 100 degree of polymerization
Plasticizer: DOP
Secondary plasticizer: EPOXY
Stabilizer: Ba-Zn 100
10
3
3 First and Second Substrate PVC resin: degree of polymerization 1,000
Plasticizer: DOP
Processing aid: PA-828DP (LG Chemical)
Filler: Calcium Carbonate
Stabilizer: Ba-Zn 100
32-50
9
300-600
3 Balance layer PVC resin: degree of polymerization 700
Plasticizer: DOP
Secondary plasticizer: EPOXY
Filler: Calcium Carbonate
Stabilizer: Ba-Zn 100
36-40
3
40-100
3

[Comparative Example]

Product without dimension reinforcing cushion layer 7 in the embodiment

[Test Example]

Impact absorbing and dimensional stability tests were carried out on the flooring of the examples and comparative examples. The results are shown in Table 3 and FIG.

Exam name Test Methods Example Comparative example Shock absorption DIN 18302-2 40% 20% Test purpose: The amount of impact the floor absorbs when a person falls down unconsciously
Test Method: Test the impact value by dropping a 20kg drop weight at 55mm height

As can be seen in Table 3, the shock absorbing performance of the floor decorative material of the Example was about 2 times better than the comparative example.

5 is a graph comparing the dimensional stability of the floor decorative material of the present invention (example) and the conventional (comparative example), the measuring method is continuously changing the temperature in the chamber after checking the dimensions after 1 hour to set the chamber temperature The dimension was measured while making. As can be seen in Figure 5, the dimensional stability of the floor decorative material of the embodiment was up to about 10 times better than the comparative example.

1 is an exploded plan view of a floor decorative material according to a first embodiment of the present invention.

Figure 2 is an exploded plan view of the flooring according to a second embodiment of the present invention.

3 is a cross-sectional view of the floor decorative material according to the first embodiment of the present invention.

4 is a cross-sectional view of the floor decorative material according to a second embodiment of the present invention.

Figure 5 is a graph comparing the dimensional stability of the present invention and the conventional flooring.

DESCRIPTION OF THE REFERENCE NUMERALS

1: surface treatment layer

2: transparent layer

3: printing layer

4: first substrate layer

5: cushion layer

6: reinforcement layer

7: Dimension reinforcement cushion layer

8: second base layer

9: balance layer

Claims (8)

It consists of a surface treatment layer, a transparent layer, a printing layer, a first base layer, a cushioning layer and a dimensional reinforcing layer, a second base layer and a balance layer from above. The first substrate layer and the second substrate layer has the same composition and the same thickness, The transparent layer and the balance layer have the same composition and the same thickness, The thickness of the dimensional reinforcement cushion layer is a floor decorative material of the tile type, characterized in that 25 to 50% of the total thickness of the floor decorative material. The floor decorative material according to claim 1, wherein the dimensional reinforcing layer is a layer obtained by impregnating a glass fiber sheet with vinyl chloride sol and gelling, and the cushion layer is a layer foamed with a vinyl chloride foam sol. The flooring material according to claim 1, wherein the cushion layer is laminated on both upper, lower or upper and lower portions of the dimension reinforcing layer. delete The flooring material according to claim 1, wherein the dimensionally reinforcing cushion layer has a thickness of 0.7 to 5 mmT. delete delete The thickness of the first substrate layer is 1/3 to 1/2 of the thickness of the second substrate layer, and the thickness of the balance layer is 1/2 to 9/10 of the thickness of the transparent layer and the printed layer. Flooring materials.
KR20080020999A 2008-03-06 2008-03-06 Tile type flooring having superior cushion function and size stability KR101102161B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR20080020999A KR101102161B1 (en) 2008-03-06 2008-03-06 Tile type flooring having superior cushion function and size stability
PCT/KR2009/000739 WO2009110686A2 (en) 2008-03-06 2009-02-17 Tile flooring materials with excellent buffer function and dimensional stability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20080020999A KR101102161B1 (en) 2008-03-06 2008-03-06 Tile type flooring having superior cushion function and size stability

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KR20090095824A KR20090095824A (en) 2009-09-10
KR101102161B1 true KR101102161B1 (en) 2012-01-02

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WO (1) WO2009110686A2 (en)

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KR20210133740A (en) 2020-04-29 2021-11-08 주식회사 케이씨씨글라스 Multi-layer floor decoration material
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KR20210133740A (en) 2020-04-29 2021-11-08 주식회사 케이씨씨글라스 Multi-layer floor decoration material
KR20220084724A (en) 2020-12-14 2022-06-21 주식회사 케이씨씨글라스 Multi-layer floor decoration sheet
KR102305763B1 (en) * 2021-06-21 2021-09-30 에이치그라운드 주식회사 Eco-friendly elastic floor pavement for sports facilities and manufacturing method thereof

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KR20090095824A (en) 2009-09-10
WO2009110686A2 (en) 2009-09-11

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