WO2011115413A2 - Pla 수지를 사용한 바닥재 - Google Patents
Pla 수지를 사용한 바닥재 Download PDFInfo
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- WO2011115413A2 WO2011115413A2 PCT/KR2011/001812 KR2011001812W WO2011115413A2 WO 2011115413 A2 WO2011115413 A2 WO 2011115413A2 KR 2011001812 W KR2011001812 W KR 2011001812W WO 2011115413 A2 WO2011115413 A2 WO 2011115413A2
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- WIPO (PCT)
- Prior art keywords
- weight
- parts
- layer
- pla resin
- flooring
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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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
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- 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
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- 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
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/32—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
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- 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
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- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
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- 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
- B32B2471/00—Floor coverings
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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
- E04F15/105—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
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- 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 material, and more specifically, using a PLA resin (Polylactic acid resin) as a base layer, an easy layer, etc. constituting the flooring material, and eco-friendly plasticizers such as ATBC (Acetyl tributyl citrate) as a plasticizer Floor material can be implemented, and also by using an acrylic copolymer as a melt strength enhancer (Melt strength enhancer) relates to a floor material using a PLA resin capable of calendering, pressing.
- PLA resin Polylactic acid resin
- ATBC Alcohol tributyl citrate
- Flooring materials using petroleum resins such as polyvinyl chloride (PVC) are widely used as flooring materials in buildings such as houses, apartments, apartments, offices, and stores.
- PVC polyvinyl chloride
- Such flooring material is manufactured by extrusion or calendering method etc. using resin, such as polyvinyl chloride (PVC).
- resin such as polyvinyl chloride (PVC).
- PVC polyvinyl chloride
- PVC polyvinyl chloride
- An object of the present invention can solve the supply and demand problems of the raw material of each layer constituting the flooring using the PLA resin, to provide a flooring using the PLA resin that can implement an environmentally friendly flooring.
- Flooring using a PLA resin for achieving the above object is a base layer; A printing layer formed on the base layer and having a printed pattern formed on an upper surface thereof; And a transparent layer formed on the printed layer, wherein at least one of the base layer, the print layer, and the transparent layer includes a polylactic acid (PLA) resin.
- PLA polylactic acid
- Flooring using a PLA resin for achieving the above object is a base layer; A printing layer formed on the base layer and having a printed pattern formed on an upper surface thereof; A transparent layer formed on the printed layer; And an easy layer formed under the base layer, wherein at least one of the base layer, the print layer, the transparent layer, and the easy layer includes a PLA resin.
- inventions may further include a surface treatment layer formed on the transparent layer.
- the flooring using the PLA resin according to the present invention can solve the problem of supply and demand of raw materials due to exhaustion of petroleum resources by using PLA resin based on plant resources instead of petroleum resources based PVC generally used as a binder.
- the flooring using the PLA resin according to the present invention is less environmentally harmful substances such as CO 2 during the production or lamination of each layer, such as the base layer, easy layer, there is an environmentally friendly advantage of easy disposal.
- the flooring using the PLA resin according to the present invention has the advantage of realizing the texture and unique wood fragrance of natural wood by applying wood powder and rosin to the base layer and easy layer.
- the PLA resin applied to the present invention was capable of calendering or pressing the PLA resin as well as melt extrusion.
- 1 to 4 are cross-sectional views showing embodiments of the flooring using the PLA resin according to the present invention.
- FIG. 1 is a cross-sectional view showing a flooring using a PLA resin according to an embodiment of the present invention.
- the flooring shown in FIG. 1 includes a base layer 110, a print layer 120, and a transparent layer 130 from below.
- the flooring according to the present invention at least one layer of the base layer 110, the print layer 120 and the transparent layer 130 includes a PLA (Polylactic acid) resin.
- Figure 2 is a cross-sectional view showing a flooring using a PLA resin according to another embodiment of the present invention.
- the flooring illustrated in FIG. 2 includes a base layer 110, a print layer 120, and a transparent layer 130, and further includes an easy layer 140 under the base layer.
- the flooring according to the present invention at least one layer of the base layer 110, the printed layer 120, the transparent layer 130, the easy layer 140 includes a PLA resin.
- PLA resin is a thermoplastic polyester of lactide or lactic acid, for example, may be prepared by polymerizing lactic acid prepared by fermenting starch extracted from corn, potato, and the like. Since the corn, potatoes and the like are any renewable plant resources, PLA resin that can be secured from them can effectively cope with the problems caused by exhaustion of petroleum resources.
- PLA resin has much lower emissions of environmentally harmful substances such as CO 2 during use or disposal than petroleum-based materials such as polyvinyl chloride (PVC), and is environmentally friendly in that it can be easily decomposed under natural environment even when disposed of.
- PVC polyvinyl chloride
- PLA resin may be divided into crystalline PLA (c-PLA) resin and amorphous PLA (a-PLA) resin.
- c-PLA crystalline PLA
- a-PLA amorphous PLA
- the PLA resin is most preferably 100% amorphous PLA resin, and if necessary, PLA resin in which crystalline and amorphous coexist.
- the PLA resin may include a nonphthalate plasticizer or an acrylic copolymer as a melt strength reinforcing agent. Can be.
- the non-phthalate plasticizer is an environmentally friendly plasticizer, which facilitates molding at high temperature by softening PLA resin to increase thermoplasticity.
- ATBC Alcohol tributyl citrate
- the nonphthalate plasticizer is preferably used in a ratio of 5 to 100 parts by weight based on 100 parts by weight of the PLA resin, and in the case of the print layer 120 and the easy layer 140, 100 parts by weight of the PLA resin. It is preferable to use in a ratio of 5 to 60 parts by weight, and in the case of the transparent layer 130, it is preferable to use it in a ratio of 5 to 50 parts by weight with respect to 100 parts by weight of the PLA resin.
- the non-phthalate plasticizer When the non-phthalate plasticizer is used in less than 5 parts by weight relative to 100 parts by weight of the PLA resin in each layer, the hardness of the PLA resin may be increased, the workability may be reduced, and the non-phthalate plasticizer is exceeded in a given ratio in each layer. If used, the physical properties may be deteriorated due to a decrease in compatibility with other components.
- Acrylic copolymers are used as melt strength enhancers.
- the PLA resin itself is weak in melt strength or heat resistance, and the acrylic copolymer not only compensates for these drawbacks of the PLA resin, but also complements the melt strength, and enables calendering and pressing.
- the acrylic copolymer may be used in a proportion of 0.1 to 20 parts by weight based on 100 parts by weight of the base layer 110, the print layer 120, the transparent layer 130, and the easy layer 140 in common.
- the content of the acrylic copolymer is less than 0.1 parts by weight, the improvement of the melting efficiency and melt strength improvement efficiency of the PLA resin is insufficient.
- the content of the acrylic copolymer exceeds 20 parts by weight, the manufacturing cost of each layer constituting the flooring is increased. The overall physical properties of each layer may be degraded due to compatibility problems with other materials constituting each layer.
- the PLA resin includes a lubricant, a chain extender, and a hydrolysis agent. More may be added.
- the lubricant is added to prevent the resin from sticking to the calender roll or the press during processing such as calendering, pressing, or the like of the PLA resin.
- lubricants there are various types of such lubricants, but in the present invention, environmentally friendly higher fatty acids are used as lubricants, and for example, stearic acid, which is a saturated higher fatty acid having 18 carbon atoms, may be proposed.
- the lubricant is preferably used in an amount of 0.01 to 10 parts by weight based on 100 parts by weight of the base resin 110, the print layer 120, the transparent layer 130 and the easy layer 140 in common. If the amount of the lubricant is less than 0.01 parts by weight based on 100 parts by weight of the PLA resin, the effect of using the lubricant may not be obtained. May deteriorate.
- the chain extender serves to improve the tensile strength, heat resistance and the like by increasing the molecular weight through the chain extension.
- Such chain extenders may be diisocyanates, epoxy group copolymers, hydroxycarboxylic acid compounds and the like, but are not necessarily limited thereto.
- the chain extender is preferably added in an amount of 0.01 to 10 parts by weight based on 100 parts by weight of the base layer 110, the print layer 120, the transparent layer 130, and the easy layer 140. If the amount of the chain extender used in the PLA resin is less than 0.01 part by weight based on 100 parts by weight of the PLA resin, the effect of using the chain extender cannot be obtained. The glossiness of the resin may be lowered.
- the anti-hydrolysis agent serves to prevent the PLA resin from being hydrolyzed to lower mechanical properties such as impact resistance.
- Such a hydrolysis agent can be used without limitation so long as it is usually used as a hydrolysis agent such as polycarbodiimide, carbodiimide, oxazoline.
- Such a hydrolysis agent is preferably added within the range of 10 parts by weight or less based on 100 parts by weight of the base layer 110, the print layer 120, the transparent layer 130 and the easy layer 140 in common.
- the hydrolysis agent exceeds 10 parts by weight relative to 100 parts by weight of the PLA resin, not only the molding processability is lowered, but also the manufacturing cost may increase significantly because it is expensive.
- titanium dioxide TiO 2
- CaCO 3 inorganic filler calcium carbonate
- calcium carbonate 1,000 parts by weight or less relative to 100 parts by weight of PLA resin in the base layer 110, 100 parts by weight or less relative to 100 parts by weight of PLA resin in the print layer 120, and 100 parts by weight of PLA resin in the easy layer 140. It is preferably used at 500 parts by weight or less.
- titanium dioxide it is preferably used in the printing layer 120 to 50 parts by weight or less based on 100 parts by weight of the PLA resin.
- wood powder or rosin may be additionally added to the base layer 110 or the easy layer 140 to provide a texture and natural wood aroma of natural wood.
- the base layer 110 and the easy layer 140 in an amount of 200 parts by weight or less relative to 100 parts by weight of the PLA resin, and in the case of rosin, the base layer 110 and the easy layer 140. Commonly, it is preferably added in an amount of 20 parts by weight or less relative to 100 parts by weight of the PLA resin.
- wood flour and rosin the more it is included in the base layer 110 and the easy layer 140, the more the texture of the natural wood can be given, but when added in excess of the above range rather than increase the natural texture effect rather moldability This can be degraded.
- the base layer 110 supports the upper printing layer 120 and the transparent layer 130 as the most basic layer of the flooring material, and serves to absorb the impact of the upper or lower portion.
- the base layer 110 preferably has a thickness of 1.0 ⁇ 5.0 mm. If the thickness of the base layer 110 is 1.0 mm or less, the above functions cannot be properly performed, and if the thickness of the base layer 110 exceeds 5.0 mm, the use of many PLA resins may cause the flooring manufacturing cost to increase. .
- the base layer 110 may use a PLA resin containing a nonphthalate plasticizer, an acrylic copolymer, and the like, and the PLA resin may further include a lubricant, a chain extender, a hydrolysis agent, calcium carbonate, wood flour, Rosin and the like may be added alone or two or more.
- the printing layer 120 formed on the base layer 110 may be formed by including a PLA resin, transfer printing, gravure printing, screen printing, offset printing, rotary printing or flexographic printing on the upper surface, By forming a pattern in a variety of ways, such as inkjet printing serves to impart aesthetics of the flooring.
- the print layer 120 may use a PLA resin containing a non-phthalate plasticizer, an acrylic copolymer, and the like, in addition to the PLA resin, lubricants, chain extenders, hydrolysis agents, calcium carbonate, titanium dioxide, or the like may be used alone or Two or more kinds may be added.
- the printed layer 120 preferably has a thickness of 0.01 ⁇ 0.3 mm. When the thickness of the printed layer 120 is less than 0.01 mm, printing may be difficult. When the thickness of the printed layer 120 exceeds 0.3 mm, the flooring manufacturing cost may increase.
- the transparent layer 130 formed on the printed layer 120 is formed on the printed layer 130 to impart a sense of volume, and serves to protect a pattern formed on the upper surface of the printed layer 120.
- the transparent layer 130 may use a PLA resin containing a non-phthalate plasticizer, an acrylic copolymer, and the like, and may further include a lubricant, a chain extender, a hydrolysis agent, and the like.
- the transparent layer 130 preferably has a thickness of 0.10 ⁇ 1.0 mm. If the transparent layer has a thickness of less than 0.10 mm, the pattern formed on the printed layer cannot be effectively protected and the volume is reduced. On the other hand, if the thickness of the transparent layer exceeds 1.0 mm can cause a rise in the flooring manufacturing cost without further effect increase.
- the easy layer 140 is a part that is adhered to the bottom surface during construction, protects the back surface opposite to the floor material surface, and serves to absorb the impact of the upper or lower.
- the easy layer 140 may be formed from a PLA resin to which a non-phthalate plasticizer, an acrylic copolymer, a lubricant, a chain extender, a hydrolysis agent, or the like is added.
- the easy layer may include one or more calcium carbonate, wood powder, rosin and the like.
- the easy layer 140 is most preferably to maintain the structural stability of the flooring having a thickness of 0.10 ⁇ 2.0 mm. If the thickness of the easy layer 140 is less than 0.10 mm, the back surface protection effect or shock absorbing effect of the flooring material does not appear well, and if the easy layer 140 exceeds 2.0 mm, the manufacturing cost may increase.
- FIG. 3 and 4 are cross-sectional views of a flooring material using a PLA resin according to another embodiment of the present invention, showing that the surface treatment layer 150 is formed on the surface of the flooring material shown in Figs. .
- the surface treatment layer 150 is formed on the transparent layer 130 for the purpose of improving surface quality such as scratch resistance or abrasion resistance of the flooring material, and improving cleaning resistance to facilitate cleaning.
- the surface treatment layer 150 may include polyurethane, urethane acrylate, wax and the like.
- the surface treatment layer 130 there are various methods for forming the surface treatment layer 130.
- the urethane acrylate UV curable composition may be coated on the wood chip inlaid layer 120 and cured through UV irradiation.
- the thermosetting wax may be applied to the wood chip inlay deucheung layer 120 and formed by curing through a hot air oven.
- the surface treatment layer 150 preferably has a thickness of 0.01 ⁇ 0.1 mm.
- the surface treatment layer 150 is formed to a thickness of less than 0.01 mm, it is difficult to expect the effect of improving the physical properties such as scratch resistance, and when the surface treatment layer 150 exceeds 0.1 mm, excessive manufacture of the surface treatment layer Cost is required and there is a problem that can lower the appearance characteristics of the flooring.
- a method of manufacturing a base layer including PLA resin by applying a calendering method or the like is not particularly limited.
- a desired sheet It may be produced through a process of calendering molding into a shape.
- the mixing and kneading process of the raw material for example, liquid or powdery raw material may be performed using a super mixer, an extruder, a kneader, two or three rolls and the like.
- the blended raw materials are kneaded at a temperature of about 120 to 200 ° C. using a banbury mixer or the like, and the kneaded raw materials are about 120 to 200 ° C. for more efficient mixing.
- the mixing and kneading process may be repeated in multiple stages, such as in the manner of primary and secondary mixing using a two rolls or the like at a temperature of.
- the method of manufacturing the sheet-based base layer and the like by applying the mixed raw materials as described above to the calendering method is not particularly limited, for example, to be prepared using a conventional apparatus such as an inverted L four-roll roll calender. Can be.
- the above-mentioned calendering conditions can be suitably selected in consideration of the composition etc. of the resin composition used, and can carry out the calendering process within the range of the processing temperature of about 120-200 degreeC.
- a transparent layer having a thickness of about 0.5 mm was prepared by combining a PLA resin, a chain extender, a hydrolysis agent, and a plasticizer, followed by extrusion.
- PLA resin plasticizer, melt strength enhancer, lubricant, chain extender, hydrolysis agent, calcium carbonate, wood powder, rosin, etc. was prepared.
- PLA resin, plasticizer, melt strength enhancer, lubricant, chain extender, hydrolysis agent, calcium carbonate, wood powder, rosin are mixed and processed in the same process as the calendering process of the transparent layer manufacturing process, the thickness is about 0.7 mm Sheets were prepared.
- the final flooring material could be manufactured by applying a rate-based UV curable coating material and irradiating ultraviolet rays to form a surface treatment layer having a thickness of about 0.05 mm.
- the transparent layer, the printing layer, the base layer, and the easy layer are formed of PLA resin.
- the transparent layer, the printing layer, the base layer, the easy layer were manufactured, or only some layers were manufactured for physical property evaluation.
- the composition of the transparent layer, printed layer, base layer, easy layer is as shown in Table 1 and Table 2 (based on 100 parts by weight of PLA), the plasticizer, the melt strength enhancer, the lubricant used in each Example and Comparative Example , Chain extenders, hydrolysis agents are shown in Table 3 below.
- the flooring manufactured by the said Example and the comparative example was evaluated about the following items.
- the evaluation results are shown in Tables 4 and 5 below (relative evaluation was performed, with a total score of 5).
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Abstract
Description
Claims (20)
- 베이스층;상기 베이스층 상부에 형성되며, 상부면에 인쇄 무늬가 형성되는 인쇄층; 및상기 인쇄층 상부에 형성되는 투명층;을 포함하고,상기 베이스층, 인쇄층 및 투명층 중 하나 이상은 PLA(Polylactic acid) 수지를 포함하는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 베이스층;상기 베이스층 상부에 형성되며, 상부면에 인쇄 무늬가 형성되는 인쇄층;상기 인쇄층 상부에 형성되는 투명층; 및상기 베이스층의 하부에 형성되는 이지층;을 포함하고,상기 베이스층, 인쇄층, 투명층 및 이지층 중 하나 이상은 PLA 수지를 포함하는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제1항 또는 제2항에 있어서,상기 투명층의 상부에 형성되는 표면처리층을 더 포함하는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제1항 또는 제2항에 있어서,상기 PLA 수지에는 비프탈레이트계 가소제, 용융강도 보강제(melt strength enhancer)로서 아크릴계 공중합체, 활제, 사슬 연장제(chain extender), 내가수분해제 중 하나 이상이 첨가되어 있는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제4항에 있어서,상기 PLA 수지에는 탄산칼슘, 이산화티타늄, 목분, 이산화티타늄 및 송진 중 하나 이상이 더 첨가되어 있는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제4항에 있어서,상기 투명층은 상기 PLA 수지 100 중량부에 대하여, 비프탈레이트계 가소제 5~50 중량부 및 아크릴계 공중합체 0.1 ~ 20 중량부를 포함하는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제6항에 있어서,상기 투명층은 상기 PLA 수지 100 중량부에 대하여, 활제 0.01 ~ 10 중량부, 사슬 연장제 0.01 ~ 10 중량부 및 내가수분해제 10 중량부 이하 중 하나 이상을 더 포함하는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제1항 또는 제2항에 있어서,상기 투명층은 0.10 ~ 1.0 mm 의 두께를 갖는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제4항에 있어서,상기 인쇄층은 상기 PLA 수지 100 중량부에 대하여, 비프탈레이트계가소제 5~60 중량부 및 용융강도 보강제 0.1 ~ 20 중량부를 포함하는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제9항에 있어서,상기 인쇄층은 상기 PLA 수지 100 중량부에 대하여, 활제 0.01 ~ 10 중량부, 사슬 연장제 0.01 ~ 10 중량부, 내가수분해제 10 중량부 이하, 탄산칼슘(CaCO3) 100 중량부 이하 및 이산화티타늄(TiO2) 50 중량부 이하 중 하나 이상을 더 포함하는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제1항 또는 제2항에 있어서,상기 인쇄층은 0.01 ~ 0.3 mm 의 두께를 갖는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제4항에 있어서,상기 베이스층은 상기 PLA 수지 100 중량부에 대하여, 비프탈레이트계 가소제 5~100 중량부 및 아크릴계 공중합체 0.1 ~ 20 중량부를 포함하는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제12항에 있어서,상기 베이스층은 상기 PLA 수지 100 중량부에 대하여, 활제로서 고급지방산 0.01 ~ 10 중량부, 사슬 연장제 0.01 ~ 10 중량부, 내가수분해제 10 중량부 이하, 탄산칼슘 1,000 중량부 이하, 목분 200 중량부 이하 및 송진 20 중량부 이하 중 하나 이상을 더 포함하는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제1항 또는 제2항에 있어서,상기 베이스층은 1.00 ~ 5.0 mm 의 두께를 갖는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제4항에 있어서,상기 이지층은 상기 PLA 수지 100 중량부에 대하여, 비프탈레이트계 가소제 5~60 중량부 및 아크릴계 공중합체 0.1 ~ 20 중량부를 포함하는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제15항에 있어서,상기 이지층은 상기 PLA 수지 100 중량부에 대하여, 활제 0.01 ~ 10 중량부, 사슬 연장제 0.01 ~ 10 중량부, 내가수분해제 10 중량부 이하, 탄산칼슘 500 중량부 이하, 목분 200 중량부 이하 및 송진 20 중량부 이하 중 하나 이상을 더 포함하는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제2항에 있어서,상기 이지층은 0.10 ~ 2.0 mm 의 두께를 갖는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제3항에 있어서,상기 표면처리층은 폴리우레탄, 우레탄 아크릴레이트 또는 왁스로 형성되는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제3에 있어서,상기 표면처리층은 0.01 ~ 0.1 mm의 두께를 갖는 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
- 제1항 또는 제2항에 있어서,상기 PLA 수지는 비정질 PLA 수지인 것을 특징으로 하는 PLA 수지를 사용한 바닥재.
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JP2012544406A JP5746711B2 (ja) | 2010-03-15 | 2011-03-15 | Pla樹脂を使用した床材 |
EP11756544.0A EP2549031B1 (en) | 2010-03-15 | 2011-03-15 | Flooring material using pla resin |
US13/634,485 US9517612B2 (en) | 2010-03-15 | 2011-03-15 | Floor material using PLA resin |
CN201180011871.8A CN102947521B (zh) | 2010-03-15 | 2011-03-15 | 使用聚乳酸树脂的地板材 |
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KR10-2010-0023051 | 2010-03-15 | ||
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US (1) | US9517612B2 (ko) |
EP (1) | EP2549031B1 (ko) |
JP (1) | JP5746711B2 (ko) |
KR (2) | KR101417207B1 (ko) |
CN (1) | CN102947521B (ko) |
WO (1) | WO2011115413A2 (ko) |
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JP2015501236A (ja) * | 2012-09-21 | 2015-01-15 | エルジー・ハウシス・リミテッドLg Hausys,Ltd. | 生分解性パネル |
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US9517612B2 (en) | 2016-12-13 |
KR20110103895A (ko) | 2011-09-21 |
US20130004751A1 (en) | 2013-01-03 |
KR20140028099A (ko) | 2014-03-07 |
JP5746711B2 (ja) | 2015-07-08 |
JP2013513744A (ja) | 2013-04-22 |
WO2011115413A3 (ko) | 2012-01-26 |
CN102947521B (zh) | 2015-08-26 |
CN102947521A (zh) | 2013-02-27 |
KR101643452B1 (ko) | 2016-07-27 |
EP2549031B1 (en) | 2019-12-18 |
EP2549031A2 (en) | 2013-01-23 |
KR101417207B1 (ko) | 2014-07-11 |
EP2549031A4 (en) | 2014-05-28 |
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