KR20130106014A - Cushion floor materials utilizing poly lactic acid resin and its manufacturing method thereof - Google Patents

Cushion floor materials utilizing poly lactic acid resin and its manufacturing method thereof Download PDF

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Publication number
KR20130106014A
KR20130106014A KR1020120027598A KR20120027598A KR20130106014A KR 20130106014 A KR20130106014 A KR 20130106014A KR 1020120027598 A KR1020120027598 A KR 1020120027598A KR 20120027598 A KR20120027598 A KR 20120027598A KR 20130106014 A KR20130106014 A KR 20130106014A
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KR
South Korea
Prior art keywords
layer
pla resin
weight
parts
pla
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KR1020120027598A
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Korean (ko)
Inventor
김철현
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(주)엘지하우시스
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Priority to KR1020120027598A priority Critical patent/KR20130106014A/en
Publication of KR20130106014A publication Critical patent/KR20130106014A/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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2203/00—Specially structured or shaped covering, lining or flooring elements not otherwise provided for
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)

Abstract

The present invention relates to a cushion flooring material using PLA resin, which is environmentally friendly material, to prevent environmental pollution, to feel intimacy, and to improve walking and impact, and excellent elasticity, from the bottom back and foam layer, transparent layer And a surface layer having a printing layer, the surface layer comprising a surface coating layer for protecting the printing layer, wherein at least one of the surface layers is made of a PLA resin, and a base layer to which the surface layer is attached is provided. do.

Description

 Cushion floor materials utilizing poly lactic acid resin and its manufacturing method

The present invention relates to a cushion flooring using PLA, and more particularly, to prevent environmental pollution, to feel the intimacy using PLA resin, which is an environmentally friendly material, cushioning flooring using PLA resin excellent in walking and shock relief and elasticity It is about.

Conventionally, the flooring material which is constructed indoors of various building structures is provided with a printing layer and a transparent layer on the upper surface of the base layer made of a non-foamed or foamed layer, and is provided with a back layer which maintains a balance on the bottom of the base layer. The base layer and the transparent layer are made of polyvinyl chloride (PVC) or the like.

The printing layer integrates the glass paper and directly prints the desired pattern on the gravure or gives the printed pattern by using transfer paper.In printing, oily or water-based ink is used, and oil-based ink works by volatilizing solvent compared to water-based ink. Although the environment is poor, it is widely used because of its excellent printability and convenient drying after printing.

By the way, such conventional flooring, in particular PVC flooring has the advantages of low cost and easy construction, there is a problem that pollutes the environment during disposal.

In other words, the flooring material removed after use is treated by a landfill or incineration method, and the landfill method takes a long time to completely decompose the flooring material. Various substances are released to pollute the atmosphere as well as the surrounding environment, which causes a secondary environmental pollution that adversely affects the copper and plants growing there.

In addition, the conventional flooring has a problem in that when there is foreign matter or irregularities on the floor of the construction, the marks of the construction adhesive are transferred to the surface of the flooring, resulting in poor appearance and easy tearing.

Another example of a conventional flooring material is a flooring material which applies an adhesive to the top surface of a base layer made of plywood or HDF, adheres the base layer and the cork layer with the adhesive layer, and then paints the top surface of the cork layer.

This flooring material has the advantage of reducing the environmental pollution caused by the disposal of environmentally friendly cork, and gives a warm feeling, but it is difficult to manufacture, and the cost of the flooring is expensive due to the increase in manufacturing cost due to the large number of corks depending on imports. In addition, it takes a long time to bond and dry the cork during production, there is a problem of weak durability.

The present invention has been made in view of the above-described conventional problems, and an object thereof is to provide a cushion flooring using a PLA resin that can prevent environmental pollution due to disposal using PLA resin, which is an environmentally friendly material.

Another object of the present invention is to foam the PLA, and to laminate the foam layer and the plywood layer to have a cushioning layer having excellent walking feeling and shock-absorbing, and at the same time to provide a cushion flooring material excellent in sound absorption, resilience, elasticity There is.

Still another object of the present invention is to provide a cushion flooring having excellent water resistance and surface strength when buffered in the room as the aging age enters.

The present invention is a flooring material installed on the interior floor of a building structure, having a backing layer, a foaming layer, a transparent layer and a printing layer from the bottom, and having a surface layer consisting of a surface coating layer to protect the printing layer, at least one of the surface layer The above is composed of a PLA resin, characterized in that the technical features that the base layer is provided with the surface layer is bonded.

In addition, the present invention is a compression layer laminated by supplying a foam layer formed of a PLA resin and a printing layer laminated on the upper surface of the foam layer and a transparent layer formed of a PLA resin and a back layer pressed on the bottom surface of the foam layer to a rolling roller. And a step of forming a surface coating layer by applying a UV curable composition to the upper surface of the transparent layer, and completing the surface layer by applying an adhesive to the upper surface of the base layer.

The present invention is an invention that can protect the environment at the time of disposal of the flooring using PLA resin, which is an environmentally friendly material.

Second, the present invention by using an eco-friendly material, give a warm feeling, to reduce the impact by laminating the base layer consisting of PLA foam layer and plywood, etc., excellent walking feeling, sound absorption and elasticity as well as interlayer noise There is an effect that can be reduced.

Third, the present invention is excellent in resilience, recyclable to reduce waste, and also has an excellent water resistance and surface strength.

1 is a cross-sectional view of a conventional flooring,
Figure 2 is an exploded cross-sectional view of the flooring according to the invention,
3 is a cross-sectional view of the flooring according to the invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, Figure 2 attached to the present invention is an exploded cross-sectional view of the flooring according to the present invention, Figure 3 is a cross-sectional view of the flooring according to the present invention.

In the drawing, the flooring material 1 of the present invention may be composed of a cushion flooring material having a foam layer or a flooring material having a non-foaming layer.

The flooring of the present invention is composed of the step of manufacturing the surface layer 10, and the step of adhering the surface layer to the base layer (100). That is, the foam layer 40 molded of PLA resin, the printing layer 30 laminated on the upper surface of the foam layer 40, the transparent layer 20 molded of PLA resin, and the back surface pressed on the bottom of the foam layer 40 The surface layer 10 may be formed by supplying a layer 50 to a rolling roller (not shown), compressing and stacking the layer 50, and forming a surface coating layer 12 by applying a UV curable composition to the upper surface of the transparent layer 20. Comprising, and the adhesive layer is applied to the upper surface of the base layer 100 to the adhesive layer of the surface layer.

The flooring material 10 of the present invention constitutes a surface layer 10 composed of a transparent layer 20, a printing layer 30, a foam layer 40 and a back layer 50 adhered to the foam layer 40 from above. The surface layer 10 and the base layer 100 are laminated to form a flooring material.

The surface layer 10, all the elements constituting the surface layer or any one or more is composed of PLA resin, the base layer 100 is composed of one of plywood, HDF, MDF.

In the present invention, the PLA (Polylactic acid) resin constituting the transparent layer 20, the print layer 30, the base layer 40 and the back layer 50 is a thermoplastic polyester of lactide or lactic acid, corn, potato, etc. It may be prepared by polymerizing lactic acid prepared by fermenting the extracted starch.

The PLA resin can be regenerated as much as possible to solve the problems caused by exhaustion of petroleum resources, and even in the process of disposal, the emission of environmentally harmful substances is much lower than other resins such as vinyl chloride, and the decomposition rate is also fast.

The PLA resin may be classified into a crystalline PLA (c-PLA) resin and an amorphous PLA (a-PLA) resin, in the case of the crystalline PLA resin plasticizers may flow to the surface of the sheet may occur, so the amorphous PLA in the present invention Resin is used.

In the case of using an amorphous PLA resin, it is preferable to use an 100% amorphous PLA resin, but if necessary, a PLA resin in which crystalline and amorphous coexists may be used.

The PLA resin may include an acrylic copolymer, calcium carbonate, silica gel, and titanium oxide as a non-phthalate plasticizer or a filler to reinforce melt strength when molded.

The plasticizer is an additive used to exhibit physical properties suitable for use, such as processability and flexibility according to resin molding. In particular, in the present invention, a nonphthalate plasticizer is used that is not harmful to the human body.

In addition, the transparent layer 20, the cushion layer 40, the back layer 50 constituting the present invention may be optionally added one or more lubricants, chain extenders, hydrolysis agents and the like during molding.

In this case, the lubricant is hydrocarbon, polyethylene, silicone fluid, as well as environmentally friendly higher fatty acids, but one example is stearic acid, a higher fatty acid having 18 carbon atoms.

Hydrolysis agents may be used carbodiimide or oxane sleepy or polycarbodiimide.

For example, the transparent layer 20, the foam layer 40, the back layer 50 or the printed layer may be used 1 to 50 parts by weight of the non-phthalate plasticizer with respect to 100 parts by weight of the PLA resin, the filler is 100 parts by weight of the PLA resin It can be mixed in a ratio of 1 to 20 parts by weight with respect to parts, the lubricant may be used 0.01 to 5 parts by weight based on 100 parts by weight of the PLA resin.

In addition, the chain extender and the hydrolysis agent may optionally be used in an amount of 0.01 to 10 parts by weight based on 100 parts by weight of the PLA resin, and the foaming layer 40 includes a blowing agent, and the blowing agent may be sodium hydrogen carbonate Amyl acetate can be used, and it contains 1-6 weight part with respect to 100 weight part of PLA resin.

In the present invention, the foam layer 40 and the base layer 100 as a cushion flooring material, play a complementary role. That is, by providing a bay layer made of plywood or the like in the elastic force and impact mitigation function of the foam layer to improve the elastic force, strength, impact mitigation function, as well as to reduce the noise between the layers.

Preferably, the base layer 100 is preferably 3 to 30mm, the print layer 30, the transparent layer 20, the surface coating layer 12 is preferably made of 0.01 to 3mm, the foam layer 2 ~ It can have a thickness up to 6 mm.

On the other hand, the surface coating layer 12 may be applied a curable UV coating several times, the adhesive layer 120 for bonding the base layer and the surface layer may be a latex-based, polymer-based or epoxy-based coating amount 50 ~ 200g / M 2.

Next, a preferred embodiment of the present invention will be described.

PLA surface layer 10 by rolling the PLA resin transparent layer 20 having a thickness of 4mm and the PLA resin transparent layer 20 having a bottom printing layer and the back surface layer 50 of PLA resin which is located on the bottom of the foam layer 40 to balance them. ), Wherein the foamed layer was foamed with 5 parts by weight of non-phthalate plasticizer, 20 parts by weight of filler, 0.2 parts by weight of lubricant, 0.2 parts by weight of chain extender and foaming agent attached to 100 parts by weight of PLA resin. .

The transparent layer 20 was molded by including 2 parts by weight of plasticizer, 9 parts by weight of filler, 0.1 part by weight of lubricant, 0.1 part by weight of chain extender, and 3 parts by weight of hydrolysis agent based on 100 parts by weight of PLA resin.

The back layer 50 was molded by including 3 parts by weight of plasticizer, 15 parts by weight of filler, 0.1 part by weight of lubricant, 0.1 part by weight of chain extender, and 5 parts by weight of hydrolysis agent based on 100 parts by weight of PLA resin.

After preparing the surface layer 10 by a rolling mill, the coating layer 12 is applied to the upper surface of the transparent layer 20.

The coating layer 13 is completed by repeatedly applying a UV curing composition.

A polymer-based adhesive is applied to the upper surface of the plywood having a thickness of 10 mm at an application amount of 120 g / m 2 to form an adhesive layer, and the adhesive layer 120 adhesively laminates the surface layer 10 to the base layer 100 to complete the flooring material. .

10: surface layer 12: surface coating layer
20: transparent layer 30: printed layer
40: foam layer 50: back layer
100: base layer

Claims (10)

Flooring material installed on the interior floor of building structures,
It has a backing layer, a foam layer, a transparent layer and a printing layer from the bottom, and having a surface layer consisting of a surface coating layer to protect the printing layer, at least one of the surface layer is composed of PLA resin,
Cushioned flooring using PLA resin, characterized in that the base layer is provided with the surface layer is bonded. The cushion flooring material of claim 1, wherein the back layer constituting the surface layer, the foam layer, the print layer, and the transparent layer are made of PLA resin, and the surface coating layer is a UV curable composition. The cushion flooring material of claim 2, wherein the PLA resin includes at least one or more of a plasticizer, a filler, a lubricant, a chain extender, and a hydrolysis agent, and the foam layer further includes a blowing agent. The method of claim 3, wherein the foam layer may be used sodium hydrogen carbonate, sodium carbonate, amyl acetate, PLA is characterized in that 1 to 6 parts by weight based on 100 parts by weight of PLA resin, 1 to 6mm thick Cushion flooring using resin. According to claim 2, 1 to 50 parts by weight of non-phthalate plasticizer, 1 to 20 parts by weight of filler, 0.1 to 5 parts by weight of lubricant, 0.1 to 5 parts by weight of chain extender and hydrolyzable agent, based on 100 parts by weight of PLA resin constituting the surface layer. Cushioned flooring using PLA resin, characterized in that 0.01 to 10 parts by weight is optionally included. The cushion flooring material of claim 1, wherein the base layer is one of plywood, HDF, and MDF. The base layer of claim 1, wherein the base layer is coated with one of a latex-based, polymer-based, and epoxy-based adhesive layer on the upper surface of the base layer so that the surface layer can be laminated. Cushion flooring using resin. As a manufacturing method of the cushion flooring material using PLA resin,
Supplying a foam layer formed of PLA resin, a printing layer laminated on the upper surface of the foam layer, a transparent layer formed of PLA resin, and a back layer pressed on the bottom surface of the foam layer to a rolling roller, and compressing and laminating the same. The surface layer is completed by applying a UV curable composition to the upper surface to form a surface coating layer,
The method of manufacturing a cushion flooring material using a PLA resin, characterized in that the step of applying an adhesive on the upper surface of the base layer adhesive bonding of the surface layer. The method of claim 8, wherein the back layer, the foam layer, and the transparent layer constituting the surface layer are molded into a PLA resin, and the PLA resin includes at least one or more of a plasticizer, a filler, a lubricant, a chain extender, and a hydrolysis agent. , The foam layer is a cushion flooring manufacturing method using a PLA resin, characterized in that the foaming agent is further included. The method of claim 8, wherein the base layer is a manufacturing method of the cushion flooring using PLA resin, characterized in that the base layer is one of plywood, HDF, MDF.
KR1020120027598A 2012-03-19 2012-03-19 Cushion floor materials utilizing poly lactic acid resin and its manufacturing method thereof KR20130106014A (en)

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KR1020120027598A KR20130106014A (en) 2012-03-19 2012-03-19 Cushion floor materials utilizing poly lactic acid resin and its manufacturing method thereof

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Application Number Priority Date Filing Date Title
KR1020120027598A KR20130106014A (en) 2012-03-19 2012-03-19 Cushion floor materials utilizing poly lactic acid resin and its manufacturing method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105442813A (en) * 2015-12-28 2016-03-30 常熟市丰盛建筑装潢木业有限公司 Anti-static composite floor
KR20210049442A (en) * 2019-10-25 2021-05-06 (주)엘지하우시스 Flooring and its manufacturing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105442813A (en) * 2015-12-28 2016-03-30 常熟市丰盛建筑装潢木业有限公司 Anti-static composite floor
KR20210049442A (en) * 2019-10-25 2021-05-06 (주)엘지하우시스 Flooring and its manufacturing method

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