CN101400855B - Breathable wall covering including olefin material and production method thereof - Google Patents
Breathable wall covering including olefin material and production method thereof Download PDFInfo
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- CN101400855B CN101400855B CN2006800537458A CN200680053745A CN101400855B CN 101400855 B CN101400855 B CN 101400855B CN 2006800537458 A CN2006800537458 A CN 2006800537458A CN 200680053745 A CN200680053745 A CN 200680053745A CN 101400855 B CN101400855 B CN 101400855B
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- CN
- China
- Prior art keywords
- wall covering
- layer
- sealer
- olefin resin
- inorganic filler
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- Legal status (The legal status 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 status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H5/00—Special paper or cardboard not otherwise provided for
- D21H5/0082—Wall papers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/18—Paper- or board-based structures for surface covering
- D21H27/20—Flexible structures being applied by the user, e.g. wallpaper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
- D21H27/32—Multi-ply with materials applied between the sheets
Abstract
Disclosed are a breathable wall covering including olefin material and a production method thereof. The wall covering includes a surface paper layer and a surface protective layer formed on the surface paper layer, wherein the surface protective layer is breathable. The breathable surface protective layer is formed of an olefin resin compound containing an inorganic compound. The breathable wall covering includes a printed layer formed on the surface paper layer and/or the surface protective layer, and have pinholes formed therethrough. The breathable wall covering has excellent breathability due to the inorganic filler and the pores formed in the surface protective layer. The inorganic filler is contained in an adhesive composition used in the wall covering to impart breathability, and the pinholes are additionally formed through the wall covering so as to increase breathability.
Description
Technical field
The present invention relates to a kind of breathable wall covering and production method thereof that comprises olefin material; and more specifically; relate to a kind of wall covering and production method thereof of the sealer that comprises surface paper layer and form on surface paper layer, wherein said sealer is gas permeability.
Technical background
Generally speaking, the dewfall phenomenon that wall covering has been used to stop the temperature difference between cement wall inside and outside to cause, and decorative effect is provided.Recently, carry out many researchs and for example not only had waterproof to provide, heat insulation, sound absorption and the easy main fundamental property of installation property, and had the wall covering of for example ventilative, attractive in appearance, deodorizing and the controlled character of temperature.Along with the raising of quality of life, need the product that not only has aesthetic look but also have useful physical property on market.
In order to realize these demands, Japanese patent application publication No. 2005-200823,2002-52665 and 1998-278199 have disclosed the technology based on the wall covering of foamed resin layer, patterned layer and the superficial layer of foaming agent and olefinic thermoplastic resin that is successively set in basic unit about comprising, and wherein said superficial layer is made of nylon resin.Yet in this wall covering, described foamed resin layer is formed in basic unit rather than on superficial layer, and these wall coverings have the gas permeability (or permeability) of reduction thus, and this will cause mould after processing or in use procedure.
Equally, Japanese patent application publication No. 2005-2308 disclosed a kind of by the expansion molding plate with resin be placed in basic unit and the polyethylene that uses adhesive or be placed in the fusing between two-layer with the described two-layer wall covering that obtains bonded to each other.Yet the problem of this wall covering is: the temperature more than foaming agent decomposition temperature can not be rolled described wall covering.
Equally, Japanese patent application publication No. 2003-129386 has disclosed a kind of wall covering, its have an olefinic synthetic resin as superficial layer to stop the shrinkage in application process of described wall coverings.Yet therefore the gas ejection due to by using chemical blowing agent to cause is difficult to this wall covering of processing.
Equally, Korean Patent Publication No. 2002-57870 has disclosed a kind of wall covering that comprises the embossing of superficial layer, PE resin thin film layer and printed layer, and it is mutually stacked successively.Yet the problem of this wall covering is: the described thin layer shortage gas permeability that only comprises the PE resin.
Summary of the invention
Technical problem
The present invention is devoted to solve the problems referred to above that occur in prior art, and an object of the present invention is to provide a kind of breathable wall covering and production method thereof, this wall covering comprises olefin material and has excellent gas permeability (or permeability), is easy to processability and beautiful outward appearance.
Another object of the present invention is to provide a kind of breathable wall covering and production method thereof that comprises olefin material; because the sealer of this wall covering is formed by the olefin resin compound that contains inorganic filler, so this wall covering has excellent gas permeability.
Another purpose of the present invention is to provide a kind of breathable wall covering, except using described olefin resin compound, further improves by forming its gas permeability of pin hole.
Technical scheme
In order to achieve the above object, the invention provides a kind of breathable wall covering of the sealer that comprises surface paper layer and form on surface paper layer, wherein said sealer is gas permeability.
Gas permeability sealer according to the present invention is preferably the olefin resin compound that contains inorganic filler.
Equally, described breathable wall covering can be included in the printed layer that forms on described superficial layer and/or sealer, and can have the pin hole that penetrates its formation.
Description of drawings
Fig. 1 is the viewgraph of cross-section according to the wall covering of an embodiment of the invention.
Fig. 2 is the viewgraph of cross-section of wall covering according to another implementation of the invention.
Fig. 3 is the viewgraph of cross-section according to the wall covering of another embodiment of the invention.
Fig. 4 is the block diagram of the method for the wall covering of demonstration production sketch 1.
Fig. 5 is the block diagram of the method for the wall covering of demonstration production sketch 3.
The specific embodiment
Hereinafter, will be described in detail the present invention with reference to accompanying drawing.
Fig. 1 is the viewgraph of cross-section that comprises the wall covering of olefin material.As shown in Figure 1, described wall covering has such structure: superficial layer 30, printed layer 40 and sealer 50 stack gradually each other.
Described surface paper layer 30 by paper pulp, weave or paper that supatex fabric, synthetic fiber etc. are made forms.The paper that forms described superficial layer can be that to have basic weight be 20-100g/m
2Colored Paper (comprising blank sheet of paper), can be formed with beautiful printed layer on it.
Described printed layer 40 can be printed onto formation on described surface paper layer 30 by various patterns and the letter with different colours.Described printing (point forms) process preferably uses net axle type gravure process (mesh roll type gravure printing method) to carry out guaranteeing gas permeability.Described sealer 50 is formed on described surface paper layer 30 or described printed layer 40 by the olefin resin compound.Described olefin resin compound contains inorganic filler so that described sealer has gas permeability.
Described olefin resin compound (or composition) comprises olefin resin, inorganic filler and fire retardant.Based on the olefin resin of 100 weight portions, preferably contain respectively the inorganic filler of 1-100 weight portion and the fire retardant of 1-10 weight portion.
The preferred embodiment of described olefin resin can comprise polyethylene, polypropylene and polyisobutene, and it has excellent processability, mouldability, thermal resistance etc.
The purpose that described filler is added into is to give gas permeability, and for being selected from least a among calcium carbonate, magnesium carbonate, silica, kaolin, titanium dioxide, barium sulfate, aluminium hydroxide and talcum.Based on the olefin resin of 100 weight portions, described filler preferably uses with the amount of 1-100 weight portion.If described filler uses with the amount lower than 1 weight portion, it will provide gas permeability and the reinforcing property of reduction, if and it is over 100 weight portions, it will worsen the surface property (TENSILE STRENGTH, tearing strength etc.) of described wall covering and make surface irregularity.
Described filler preferably has the particle diameter of 1-50 μ m.If the particle diameter of described filler surpasses 50 μ m, the polyolefin resin film layer of described olefin resin will have coarse surface or the intensity that reduces, if and the diameter of described filler is less than 1 μ m, the olefin resin thin layer of described formation will have the gas permeability of reduction.
The reason that described filler has an airing function be because: when the described olefin resin composition that contains described filler was used to form described sealer, due to the existence of filler, having formed will be as the aperture of air flue.Because humid air also can pass described aperture, the moisture on wall will be discharged to external environment condition, and the appearance of the mould that causes due to moisture like this can be suppressed.
Adding described fire retardant is in order to prevent the generation of the fire that volatile organic compounds (VOC) causes in the process of processing and moulding, and give anti-flammability in the use procedure of described wall covering, and this fire retardant can be for example, to select free antimony oxide (Sb
2O
3), aluminium hydroxide (Al (OH)
3) and magnesium hydroxide (Mg (OH)
2) at least a in the group that forms.Based on the olefin resin of 100 weight portions, described fire retardant preferably uses with the amount of 1-10 weight portion.If described fire retardant is to use lower than the amount of 1 weight portion, it will provide the anti-flammability of reduction, and if it use with the amount that surpasses 10 weight portions, it will cause reducing the processing problems of the fusion temperature of described olefin resin.
The sealer 50 of the breathable wall covering that comprises olefin material of described invention is via T mould (comprising the flat-die tool) forming method; or via the deposition process of the routine of the method for the described olefin resin compound film of for example contact laminating, by applying on described surface paper layer or described printed layer and dry described olefin resin compound forms.
Fig. 2 shows the viewgraph of cross-section of wall covering according to another implementation of the invention.As shown in Figure 2, by adhesive 20, basic unit 10 is in turn laminated on the lower surface of the described wall covering shown in Fig. 1.
The paper that described basic unit 10 in Fig. 2 is made by the material of the similar described surface paper layer such as paper pulp, Woven fabric, supatex fabric, synthetic fiber forms.Selectively, described basic unit can be by forming with the identical or different material of described surface paper layer.
The tectal basic unit 10 of breathable wall according to the present invention is in turn laminated on the lower surface of described surface paper layer by adhesive 20.
Described adhesive is urethanes or acrylic adhesive composition, and it contains and is useful on the inorganic filler of giving gas permeability.Be included in described inorganic filler in described adhesive composition and can be the inorganic filler identical with the inorganic filler that comprises in described sealer 30, and use with the amount of 1-50 weight portion based on the adhesive of 100 weight portions.
In the breathable wall covering that comprises olefin material according to the present invention, printed layer 60 also can be formed on described sealer 50 (seeing Fig. 3).Described printed layer 60 is the second printed layer, and it can give the sensation in space together with described printed layer 40 on being formed on described surface paper layer, and therefore provides more beautiful outward appearance.Selectively, described sealer can be formed on the described surface paper layer that there is no described printed layer, and the described printed layer 60 with various patterns only is formed on described sealer.
The breathable wall covering that comprises olefin material according to the present invention can have the embossing that is formed on described superficial layer.
Described breathable wall covering with invention of formation embossing thereon has huge outward appearance.
Can have according to breathable wall covering of the present invention penetrate its formation small pin hole to improve its gas permeability.The motion of passing described pin hole due to dry air and humid air, thereby additionally guaranteed gas permeability.
Described pin hole has the diameter of 0.01-1mm, and preferably with 100-1,000,000 pin hole/m
2Density form.Can have 100-1,000,000 pin/m by described wall covering is passed according to the described pin hole that forms in breathable wall covering of the present invention
2The bearing pin of (described needle set has the diameter of 0.01-1mm) forms.
Hereinafter, will the method for the wall covering with excellent breathability of producing described invention be described.
Fig. 4 is the block diagram of process that shows the breathable wall covering of the described invention with stratification structure shown in production sketch 1.Fig. 5 is the block diagram of the process of the breathable wall covering of the described invention with stratification structure shown in demonstration production sketch 3.
As shown in Figures 4 and 5, producing the method that comprises the breathable wall covering of olefin material according to the present invention comprises the following steps: raw materials; Be introduced as a kind of surface paper layer in the raw material of described preparation; And the sealer 50 that forms the olefin resin compound that contains inorganic filler on described surface paper layer.
The production method of described invention can comprise the step on the lower surface that uses adhesive basic unit 10 to be laminated to described surface paper layer 30 in addition.
The method of producing according to wall covering of the present invention in addition, can be included in the print steps (seeing Fig. 5) that forms printed layer 40 and/or printed layer 60 on described surface paper layer and/or described sealer 50 in addition.
The method of producing according to wall covering of the present invention equally, can be included in the embossing step that forms embossed pattern on described superficial layer in addition.
Equally, the method according to wall covering of the present invention of producing can be included in the bearing pin step of the gas permeability of the described wall covering of raising before or after the embossing step in addition.
The thickness that preferably has 0.1-1mm according to wall covering of the present invention.
Embodiment
Hereinafter, reference example will be further described in more detail breathable wall covering and the production method thereof that comprises olefin material according to the present invention.
Embodiment 1
The talcum that 1kg polyethylene and 50g are 1-50 μ m as the aluminium hydroxide of fire retardant and 250g as the particle diameter of filler mixes, preparation 1300g olefin resin compound.
Has 100g/m
2Basic weight and preprinted coloured titanium paper of containing the titanium dioxide that adds wherein as surface paper layer, then adopt flat-die method (flat die method) to use the olefin resin compound of above-mentioned preparation to form sealer thereon.
Simultaneously, has 100g/m
2Basic weight and the titanium paper that contains the titanium dioxide that adds wherein as basic unit, and will contain the one side that Packed urethane adhesive is coated to described basic unit and form adhesive phase.Then, described adhesive phase is adhered to (lamination) thereon to the back side of the surface paper layer with the sealer that forms.
Gas permeability to described wall covering is measured, and described measurement result is shown in following table 1.
Except by using net axle type gravure process that pattern and color printing are formed the second printed layer, produce wall covering in mode in the same manner as in Example 1 to the described sealer of the described wall covering of embodiment 1 production.
Gas permeability according to the described wall covering of embodiment 2 is measured, and described measurement result is shown in following table 1.
Except being passed, the described wall covering of producing in embodiment 2 has 100,000 pin holes/m
2Outside the bearing pin of (described pin hole has the diameter of 0.1mm), produce the wall covering with the pin hole that penetrates its formation in mode in the same manner as in Example 2.
Gas permeability according to the described wall covering of embodiment 3 is measured, and described measurement result is shown in following table 1.
Comparing embodiment 1
Filler in the resin combination that does not use embodiment 1, produce wall covering in mode in the same manner as in Example 1.
Gas permeability according to described wall covering of the comparative example 1 is measured, and described measurement result is shown in following table 1.
Comparing embodiment 2
Outside filler in the resin combination that uses embodiment 1 with the amount (it is the scope that the present invention determines) of 1.1kg, produce wall covering in mode in the same manner as in Example 1.
Gas permeability according to described wall covering of the comparative example 2 is measured, and described measurement result is shown in following table 1.
Comparing embodiment 3
The talcum that has 60 μ m particle diameters (it is the particle size distribution range that the present invention determines) except use is produced wall covering as outside the filler in the resin combination of embodiment 1 in mode in the same manner as in Example 1.
Gas permeability according to the described wall covering of comparing embodiment 3 is measured, and described measurement result is shown in following table 1.
Table 1
The measurement result of gas permeability that comprises the wall covering of olefin material
| Embodiment 1 | |
|
Comparing embodiment 1 | Comparing |
Comparing |
|
| Gas permeability (g/m 2/h) | 10 | 10 | 20 | 2 | 12 | 10 |
Annotate) measuring method: KS K0594:2003, water method
As shown in top table 1, compare with the gas permeability of comparing embodiment 1, show the gas permeability of excellence according to the wall covering that comprises olefin material of embodiments of the invention 1-3.
Wherein use the wall covering of the comparing embodiment 2 of filler with the amount (it is outside the content range that the present invention determines) of 1.1kg, show excellent gas permeability, but have the intensity of reduction, coarse surface and not enough printability.
Equally, wherein use the wall covering of the comparing embodiment 2 of the filler with 60 μ m particle diameters to show excellent gas permeability, but have the intensity of reduction, coarse surface and not enough printability.
Industrial applicibility
As mentioned above; due to described inorganic filler and the described aperture that forms on the sealer that is formed by the described olefin resin compound that contains described inorganic filler, the breathable wall covering that comprises olefin material according to the present invention has excellent gas permeability.
Equally, described inorganic filler is also contained in described adhesive composition to give gas permeability, and described pin hole penetrates described wall covering and forms to improve gas permeability.
Wall covering according to the present invention has excellent gas permeability, and it is transparent making for dry air and humid air, thereby suppresses the growth of mould in described wall covering, makes thus its outward appearance clean.Equally; in wall covering of the present invention, described sealer is formed on the described printed layer of protection on described printed layer, and can use the described cover layer of wall of cleaning agent cleaning; and always keep described cover layer of wall at clean state, improve thus the outward appearance of its aesthetic feeling.In addition, the wall covering of the present invention with excellent breathability has simple structure, and therefore can use simply.
Claims (8)
1. breathable wall covering, it comprises:
Surface paper layer; With
The gas permeability sealer, it comprises olefin material and forms on described surface paper layer;
Wherein, described sealer has the embossed pattern that forms thereon;
Described breathable wall covering has the pin hole that penetrates its formation;
Described breathable wall covering has 100 ~ 1,000,000 pin hole/m
2And the diameter of described pin hole is 0.01 ~ 1mm;
Described sealer is formed by the olefin resin compound that contains inorganic filler;
Based on the olefin resin of 100 weight portions, described olefin resin compound comprises the inorganic filler of 1-100 weight portion and the fire retardant of 1-10 weight portion; And
Described inorganic filler has the particle diameter of 1-50 μ m.
2. breathable wall covering according to claim 1, wherein, described olefin resin compound comprises olefin resin, described inorganic filler and fire retardant.
3. breathable wall covering according to claim 1, wherein, described inorganic filler is to select a kind of in the group that free calcium carbonate, magnesium carbonate, silica, kaolin, titanium dioxide, barium sulfate, aluminium hydroxide and talcum form or two or more mixture.
4. the described breathable wall covering of any one according to claim 1-3, wherein, printed layer in described surface paper layer and sealer one deck or two-layer on form.
5. breathable wall covering according to claim 4, wherein, the adhesive phase and the basic unit that contain inorganic layer further in turn form on the lower surface of described surface paper layer.
6. the described breathable wall covering of any one according to claim 1-3, wherein, the adhesive phase and the basic unit that contain inorganic layer further in turn form on the lower surface of described surface paper layer.
7. method of producing breathable wall covering said method comprising the steps of:
Formation comprises the olefin resin compound of inorganic filler;
Use described olefin resin compound to form sealer at least one side of surface paper layer; With
Form embossed pattern on described sealer; And
Make the layer of described formation pass and have 100 ~ 1,000,000 pin/m
2And each needle set has the bearing pin of the diameter of 0.01 ~ 1mm;
Wherein, based on the olefin resin of 100 weight portions, described olefin resin compound comprises the inorganic filler of 1-100 weight portion and the fire retardant of 1-10 weight portion; And
Described inorganic filler has the particle diameter of 1-50 μ m.
8. method according to claim 7; using described olefin resin compound before or after forming the step of described sealer on described surface paper layer, the method further comprise one deck of being selected from described surface paper layer and sealer or two-layer on form the step of printed layer, form the step of basic unit below described surface paper layer, form the step of embossed pattern and penetrate any one or two or more steps in the step that described wall covering forms pin hole on described sealer.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2006-0020945 | 2006-03-06 | ||
| KR1020060020945 | 2006-03-06 | ||
| KR20060020945 | 2006-03-06 | ||
| KR1020060076664A KR101038978B1 (en) | 2006-03-06 | 2006-08-14 | Ventilative Wallpaper using Olefin Compounds and manufacturing method thereof |
| KR1020060076664 | 2006-08-14 | ||
| KR10-2006-0076664 | 2006-08-14 | ||
| PCT/KR2006/004789 WO2007102647A1 (en) | 2006-03-06 | 2006-11-15 | Breathable wall covering including olefin material and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101400855A CN101400855A (en) | 2009-04-01 |
| CN101400855B true CN101400855B (en) | 2013-06-12 |
Family
ID=38689292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800537458A Active CN101400855B (en) | 2006-03-06 | 2006-11-15 | Breathable wall covering including olefin material and production method thereof |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101038978B1 (en) |
| CN (1) | CN101400855B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526597A (en) * | 2013-10-23 | 2014-01-22 | 合肥聚合辐化技术有限公司 | Flame-retardant printing adhesive and preparation method thereof |
| PL3245328T3 (en) * | 2015-01-16 | 2021-05-04 | Beaulieu International Group Nv | Covering for floors, walls or ceilings, and method for obtaining a covering |
| KR102224274B1 (en) * | 2018-04-17 | 2021-03-08 | (주)엘지하우시스 | Wallpaper and method for manufacturing the same |
| KR101953282B1 (en) * | 2018-06-26 | 2019-03-04 | 디자인벽지 주식회사 | manufacturing method of eco-friendly water-soluble antimicrobial wall paper using porous film |
| CN110435194A (en) * | 2019-08-14 | 2019-11-12 | 申哲赫 | A kind of PVC pin hole wallpaper preparation flow |
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| CN1172129A (en) * | 1996-07-18 | 1998-02-04 | 吉野化成株式会社 | Functional polyolefinic film |
| CN1259078A (en) * | 1997-11-04 | 2000-07-05 | 屈德加有限公司 | Textured, dimensionally stable microporous film and method of making same |
| CN1370115A (en) * | 1999-06-26 | 2002-09-18 | Lg化学株式会社 | Decorative floor covering comprising polyethylene terephthalate film layer in surface layer and mfg. method of same |
| US20050003174A1 (en) * | 2003-06-16 | 2005-01-06 | Hideki Ikeda | Wallpaper and method for producing thereof |
| US20050281986A1 (en) * | 2004-06-22 | 2005-12-22 | Seung-Baik Nam | Flooring having surface layer of synthetic resin and wood-based board |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03264345A (en) * | 1990-03-15 | 1991-11-25 | Dainippon Printing Co Ltd | Manufacture of air permeable packaging material |
| KR100796947B1 (en) * | 2004-12-30 | 2008-01-22 | 주식회사 동방화학 | An air permeable and waterproof multi-layer sheet, and a method of manufacturing for the same |
-
2006
- 2006-08-14 KR KR1020060076664A patent/KR101038978B1/en active IP Right Grant
- 2006-11-15 CN CN2006800537458A patent/CN101400855B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1172129A (en) * | 1996-07-18 | 1998-02-04 | 吉野化成株式会社 | Functional polyolefinic film |
| CN1259078A (en) * | 1997-11-04 | 2000-07-05 | 屈德加有限公司 | Textured, dimensionally stable microporous film and method of making same |
| CN1370115A (en) * | 1999-06-26 | 2002-09-18 | Lg化学株式会社 | Decorative floor covering comprising polyethylene terephthalate film layer in surface layer and mfg. method of same |
| US20050003174A1 (en) * | 2003-06-16 | 2005-01-06 | Hideki Ikeda | Wallpaper and method for producing thereof |
| CN1572972A (en) * | 2003-06-16 | 2005-02-02 | 王子不织布株式会社 | Wallpaper and method for producing thereof |
| US20050281986A1 (en) * | 2004-06-22 | 2005-12-22 | Seung-Baik Nam | Flooring having surface layer of synthetic resin and wood-based board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101400855A (en) | 2009-04-01 |
| KR101038978B1 (en) | 2011-06-03 |
| KR20070091513A (en) | 2007-09-11 |
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