WO2014046320A1 - 점착층을 갖는 생분해성 시트 - Google Patents
점착층을 갖는 생분해성 시트 Download PDFInfo
- Publication number
- WO2014046320A1 WO2014046320A1 PCT/KR2012/007608 KR2012007608W WO2014046320A1 WO 2014046320 A1 WO2014046320 A1 WO 2014046320A1 KR 2012007608 W KR2012007608 W KR 2012007608W WO 2014046320 A1 WO2014046320 A1 WO 2014046320A1
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- WIPO (PCT)
- Prior art keywords
- resin
- layer
- weight
- poly
- biodegradable sheet
- Prior art date
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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
- B32B2307/70—Other properties
- B32B2307/75—Printability
-
- 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
- B32B2607/00—Walls, panels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
-
- 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.]
- Y10T428/24893—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material
- Y10T428/24901—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material including coloring matter
Definitions
- the present invention relates to a sheet, and more particularly includes an adhesive layer, a substrate layer formed on the adhesive layer, a resin layer formed on the substrate layer, and a printing layer formed on the resin layer.
- the layer and the resin layer relate to a biodegradable sheet comprising the PLA resin.
- Sheets using petroleum resins such as polyvinyl chloride (PVC) are widely used in buildings such as houses, apartments, apartments, offices, and stores.
- Such a sheet is produced by T-die extrusion or calendering method using a resin such as polyvinyl chloride (PVC).
- PVC polyvinyl chloride
- PVC polyvinyl chloride
- An object of the present invention is to solve the problem of supply and demand of the raw material of each layer constituting the sheet by using PLA resin, to provide an environment-friendly sheet.
- an object of the present invention is to provide a sheet excellent in convenience by providing a pressure-sensitive adhesive layer containing a PLA resin, and does not require a separate operation for attachment.
- Biodegradable sheet for achieving the above object is an adhesive layer, a substrate layer formed on the adhesive layer, a resin layer formed on the substrate layer, a printing layer formed on the resin layer It includes, wherein at least one of the adhesive layer and the resin layer is characterized in that it comprises a PLA resin.
- Biodegradable sheet for achieving the above object is an adhesive layer, a substrate layer formed on the adhesive layer, a resin layer formed on the substrate layer, a printing layer formed on the resin layer , And a surface treatment layer formed on the printed layer, wherein at least one of the adhesive layer and the resin layer includes a PLA resin.
- Biodegradable sheet for achieving the above object includes an adhesive layer, a resin layer formed on the adhesive layer, a printing layer formed on the resin layer, the adhesive layer and the resin layer At least one of them is characterized in that it comprises a PLA resin.
- Biodegradable sheet for achieving the above object is a pressure-sensitive adhesive layer, a resin layer formed on the adhesive layer, a printing layer formed on the resin layer, the surface treatment formed on the printing layer And a layer, wherein at least one of the adhesive layer and the resin layer comprises a PLA resin.
- Biodegradable sheet according to the present invention can solve the problem of supply of raw materials due to exhaustion of petroleum resources by using PLA resin based on plant resources, instead of PVC generally used.
- biodegradable sheet according to the present invention is less emissions of environmentally harmful substances such as CO 2 during manufacture, and is easy to dispose of.
- biodegradable sheet according to the present invention is excellent in convenience because it does not require a separate operation for attachment by providing an adhesive layer.
- biodegradable sheet according to the present invention can be used in various aspects, such as wallpaper of the building, the shell material of various electronic products.
- FIG. 1 to 4 are cross-sectional views showing embodiments of the biodegradable sheet according to the present invention.
- FIG. 1 is a cross-sectional view showing a biodegradable sheet according to an embodiment of the present invention.
- the biodegradable sheet according to the present invention includes an adhesive layer 110, a base layer 120, a resin layer 130, and a print layer 140 from below.
- one or more of the adhesive layer 110 and the resin layer 120 includes a PLA resin.
- PLA resin is a thermoplastic polyester of lactide or lactic acid, for example, may be prepared by polymerizing lactic acid produced 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.
- PLA resin used in the present invention refers to any one or more of the sol form, the bio resin is blended, the synthetic resin is blended.
- the biodegradable sheet of the present invention may use a sol-type PLA resin, the sol-type PLA resin is added to the PLA solution made by adding the PLA resin to the volatile solvent, and then remove the volatile solvent by the drying process Or by adding a plasticizer to the PLA resin in pellet or powder form.
- the biodegradable sheet of the present invention may use a resin blended PLA resin and bio resin, wherein the bio resin is not limited if it has biodegradability, in particular cellulose (Cellulose), chitin (Chitin), starch (Starch), Poly Hydroxyl Alkanoate (PHA), Poly Hydroxy Butyrate Valerate (PHBV), Poly Vinyl Alcohol (PVA), Poly Glycolic Acid (PGA), Poly Butylene Succinate (PBS), Poly Butyleneadipate-co-Butylene Succinate (PBSA) At least one selected from polybutylene adipate terephthalate (PBAT), polycapro lactone (PCL), poly (ester-amide) (polyester), and poly (ester-urethane) (polyester) Resin is preferable from the viewpoint of compatibility with PLA resin and biodegradability.
- the bio resin is not limited if it has biodegradability, in particular cellulose (Cellulose), chitin (Chitin), starch (Star
- the resin in which the PLA resin and the bio resin are blended preferably includes 10 to 70 parts by weight of the bio resin based on 100 parts by weight of the PLA resin.
- the bio resin is less than 10 parts by weight, it is difficult to expect the effect of the blend, and when it exceeds 70 parts by weight, compatibility with other additives may be a problem.
- the biodegradable sheet of the present invention may use a resin blended PLA resin and synthetic resin, wherein the synthetic resin is PVC (polyvinyl chloride), PEG (polyethylene glycol), EVA (ethylene vinyl acetate), TPE (thermo plastic) Elastomers (TPU), Thermoplastic Polyurethane (TPU), Thermoplastic Starch (TPS), ENR (epoxidized naturalrubber), Ionomers, SBS (styrene butadiene styren), NBR (nitrilebutadiene rubber), SEBS (styrene ethylene butylenes styrene), Acrylic Compatibility with PLA resin is at least one selected from acrylate, acrylonitrile butadiene styrene, polyolefin modified with compatibilizer, PU, polyamide, and polyester. It is preferable in terms of biodegradability.
- the synthetic resin is PVC (polyvinyl chloride), PEG (polyethylene glycol), E
- the PLA resin and the resin blended resin include 10 to 70 parts by weight of synthetic resin based on 100 parts by weight of PLA resin. If the synthetic resin is less than 10 parts by weight, it is difficult to expect the effect of the blend, if it exceeds 70 parts by weight compatibility with other additives may be a problem, and the intended biodegradation effect is difficult to obtain.
- Plasticizers and processing aids may be added to the PLA resin constituting the biodegradable sheet of the present invention.
- the plasticizer is particularly preferably a non-phthalate plasticizer, the non-phthalate plasticizer is environmentally friendly, it is easy to mold at high temperatures by softening the PLA resin to increase the thermoplastic.
- a nonphthalate plasticizer citric acid, citric acid ester, epoxidized vegetable oil, fatty acid ester, polyethylene glycol, polyethylene propylene glycol, and glycerol ester are preferably used.
- the said nonphthalate plasticizer in the ratio of 10-50 weight part with respect to 100 weight part of PLA resin.
- the content of the plasticizer is less than 10 parts by weight relative to 100 parts by weight of the PLA resin, the hardness of the PLA resin may be increased, and workability may be reduced.
- the content of the plasticizer is greater than 50 parts by weight, the compatibility with other components may be deteriorated, thereby deteriorating physical properties.
- the processing aid plays a role of reinforcing the melt strength, it is preferable to add the processing aid because the PLA resin itself has low melt strength or heat resistance.
- an acrylic copolymer, an epoxy copolymer, a urethane copolymer, and a polyolefin copolymer as such processing aids. This facilitates processing such as calendering by supplementing the melt strength of the PLA resin.
- the processing aid is preferably used in a ratio of 1 to 10 parts by weight based on 100 parts by weight of the PLA resin.
- each layer of the sheet is constituted.
- the overall physical properties of each layer may be lowered due to compatibility with other materials.
- one or more fillers, lubricants, additives, and the like may be added to the PLA resin constituting the biodegradable sheet.
- the filler is generally added to change the physical properties and cost reduction of the PLA resin composition, there is no limitation on the type, but it is preferable to use a commonly used calcium carbonate (CaCO 3 ).
- the filler is preferably used in a proportion of 50 to 150 parts by weight based on 100 parts by weight of the PLA resin.
- the content of the filler is less than 50 parts by weight relative to 100 parts by weight of the PLA resin, there is no cost saving effect, and if it exceeds 150 parts by weight, it may cause a change in physical properties.
- the lubricant is added to prevent the resin from sticking to the calender roll or the press during processing such as calendering of the PLA resin.
- Such lubricants are not limited to the use of stearic acid, waxes, hydrocarbons, silicones, and the like, but in the present invention, it is particularly preferable to use environmentally friendly higher fatty acids, and examples thereof may include stearic acid, which is a saturated higher fatty acid having 18 carbon atoms.
- the lubricant is preferably used in a ratio of 0.1 to 8 parts by weight based on 100 parts by weight of the PLA resin.
- the amount of the lubricant is less than 0.1 part by weight based on 100 parts by weight of the PLA resin, the effect of using the lubricant is not obtained.
- the amount of the lubricant is more than 8 parts by weight based on 100 parts by weight of the PLA resin, the impact resistance, heat resistance, and glossiness of the PLA resin may be degraded. have.
- the additive may include a crosslinking agent, an antioxidant, and the like.
- the crosslinking agent increases the molecular weight through the chain extension serves to improve the tensile strength, heat resistance and the like.
- Such a crosslinking agent may be a diisocyanate, an epoxy group copolymer, a hydroxycarboxylic acid compound, or the like, but is not limited thereto.
- the antioxidant serves to prevent the PLA resin from being oxidized to lower mechanical properties such as impact resistance.
- antioxidants may be phenol-based, sulfur-based, or phosphorus-based antioxidants used as antioxidants for plastics, but are not necessarily limited thereto.
- Antioxidants are nontoxic, stable at processing temperatures, do not interfere with activity and other resin processability, and have high compatibility with resins.
- additives such as a crosslinking agent and antioxidant, at a ratio of 0.2-5 weight part with respect to 100 weight part of PLA resin.
- the content of the additive is less than 0.2 parts by weight relative to 100 parts by weight of the PLA resin, the additive use effect may not be obtained.
- the content of the additive exceeds 5 parts by weight based on 100 parts by weight of the PLA resin, the moldability of the PLA resin may be deteriorated, and the manufacturing cost is increased. Done.
- Figure 1 is a cross-sectional view showing a biodegradable sheet according to an embodiment of the present invention.
- the biodegradable sheet according to the present invention includes an adhesive layer 110, a base layer 120, a resin layer 130, and a print layer 140 from below.
- one or more of the adhesive layer 110 and the resin layer 120 includes a PLA resin.
- the adhesive layer 110 is a layer for securing convenience so that no additional work is required when attaching the sheet to the substrate to be applied.
- the adhesive layer 110 includes a PLA resin to secure biodegradability.
- PLA resin is used mixed with an adhesive solvent.
- the adhesive solvent is not particularly limited as long as it has adhesiveness, but is preferably any one or more of MEK (methyl ethyl ketone), MIBK (methyl isobutyl ketone), acetone (acetone) and ethyl alcohol (ethyl alcohol).
- the PLA resin is preferably prepared in a proportion of 10 to 40% by weight, solvent 60 to 90% by weight.
- the substrate layer 120 supports the upper resin layer 120 and the printed layer 130.
- the base layer 120 may use a general substrate known in the art to which the present invention pertains without limitation, for example, but not limited to imitation paper, nonwoven fabric, cotton fabric, and the like.
- imitation paper In the case of imitation paper, it is composed of pulp, and in the case of nonwoven fabric, it has a composite composition of pulp and polyester.
- basis weights such as a mock paper, a nonwoven fabric, and cotton fabric which comprise a base material layer, are 80-200 g / m ⁇ 2> .
- basis weight of the substrate layer is less than 80 g / m 2 , there is a risk of damage such as tearing of the sheet during construction or use, and when the basis weight exceeds 200 g / m 2 , the substrate becomes heavy, and gaps and curling phenomena occur. It is difficult to construct due to occurrence.
- the resin layer 130 formed on the base layer 120 is provided with an aesthetic effect of the sheet, and has eco-friendliness by including biodegradable PLA resin.
- the resin layer 130 may use a PLA resin containing the above-described plasticizer, processing aids, and additionally, fillers, lubricants, additives, etc. may be added to the PLA resin alone or two or more kinds thereof. Each composition ratio is as above-mentioned.
- the resin layer 130 may be formed by a known calendering method or a T-die extrusion method, but is not limited thereto.
- the printing layer 140 formed on the resin layer 130 may provide various patterns and / or colors to the sheet, thereby further improving the aesthetic effect.
- the method of forming a printing layer is not specifically limited, For example, it can form using well-known printing methods, such as gravure printing, transfer printing, digital printing, or rotary printing.
- a more realistic aesthetic effect can also be provided using a well-known live-print printing method, such as inkjet printing.
- FIG. 2 is a cross-sectional view of a biodegradable sheet according to another embodiment of the present invention.
- the biodegradable sheet of the present invention further includes a surface treatment layer 150 formed on the adhesive layer 110, the substrate layer 120, the resin layer 130, and the printing layer 140. can do.
- the surface treatment layer 150 of the present invention is formed on the print layer 140 to improve the durability of the sheet, and serves to protect the pattern formed on the upper surface of the print layer 140.
- the surface treatment layer 150 of the present invention may be formed using a resin having a transparent property such as an acrylic resin and a urethane resin.
- 3 and 4 are cross-sectional views of the biodegradable sheet according to another embodiment of the present invention.
- the biodegradable sheet of the present invention may include an adhesive layer 110, a resin layer 130, and a printing layer 140.
- the biodegradable sheet of the present invention may further include a surface treatment layer 150 on the printed layer 140 of FIG. 3.
- PLA resin and methyl ethyl ketone were mixed at 80 ° C. in a ratio of 40% by weight and 60% by weight, respectively, to prepare a PLA resin paste for an adhesive layer.
- a nonwoven fabric made of 70% pulp and 30% polyester was prepared to prepare a base layer.
- Water-based ink pigments and oil-based ink pigments were mixed for each printing frequency, and a printed pattern was formed on the resin layer by using a gravure printing method.
- Acrylic resin and methyl ethyl ketone were mixed at 20 wt% and 80 wt%, respectively, to prepare a coating solution for surface treatment.
- the layer structure was adopted as shown in Table 1 below, and the biodegradable sheets of Examples 1 to 8 were prepared by sequentially laminating the adhesive layer, the substrate layer, the resin layer, the print layer, and the surface treatment layer in this order.
- Examples 2, 3, 6, and 7 using a PLA resin blended with a bio resin or blended with a synthetic resin are shown in Table 1 below, and the composition ratios thereof are also shown.
- a commercially available PVC silk sheet was prepared by preparing a base layer made of 100% pulp, and coating and drying a paste containing a PVC resin on the base layer.
- Example 1 ⁇ ⁇ ⁇ ⁇ Example 2 ⁇ ⁇ ⁇ ⁇ Example 3 ⁇ ⁇ ⁇ ⁇ Example 4 ⁇ ⁇ ⁇ ⁇ Example 5 ⁇ ⁇ ⁇ ⁇ Example 6 ⁇ ⁇ ⁇ ⁇ Example 7 ⁇ ⁇ ⁇ ⁇ Example 8 ⁇ ⁇ ⁇ ⁇ Comparative example ⁇ ⁇ ⁇ ⁇ ⁇
- the dimensional stability is the shrinkage of the length difference measured after immersing the specimen in a water bath after leaving it in an oven at 80 ° C.
- the standard is less than 2.0% for good ( ⁇ ), 2.0 to 2.2% for moderate ( ⁇ ), 2.2 More than% is rated bad (X).
- Moisture permeability is the amount by which moisture moves to a product, and 175 g / m ⁇ 2> * 24hr or more is evaluated as good ((circle)), and less than 175 g / m ⁇ 2> * 24hr is bad (X).
- Daylight fastness is evaluated as good ( ⁇ ) and less than 4 as bad (X) based on KS M 7305.
- Eco-friendliness refers to the amount of TVOC (volatile organic compound) and HCHO (formaldehyde) emissions, which is good if TVOC is less than 0.1 mg / m 2 ⁇ h and HCHO is less than 0.015 mg / m 2 ⁇ h ( ⁇ ), and TVOC 0.09 to 0.12 mg / m 2.
- h or HCHO 0.013-0.017 mg / m 2 ⁇ h normal ( ⁇ ), 0.1 mg / m 2 ⁇ h or more and HCHO 0.015 mg / m 2 ⁇ h or more are evaluated as bad (X).
- the biodegradable sheet according to the present invention can be seen that the dimensional stability, moisture permeability, daylight fastness is very good enough to replace the existing PVC sheet, the transfer of TVOC (total volatile organic compounds) Remarkably less than PVC, it can be seen that the environmental friendliness is excellent.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Laminated Bodies (AREA)
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- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
치수안정성 | 투습도 | 일광견뢰도 | TVOC | |
실시예1 | ○ | ○ | ○ | ○ |
실시예2 | △ | ○ | △ | ○ |
실시예3 | ○ | △ | ○ | ○ |
실시예4 | ○ | ○ | ○ | ○ |
실시예5 | ○ | ○ | ○ | ○ |
실시예6 | △ | ○ | △ | ○ |
실시예7 | ○ | △ | ○ | ○ |
실시예8 | ○ | ○ | ○ | ○ |
비교예 | ○ | ○ | ○ | △ |
Claims (26)
- 점착층;상기 점착층 상부에 형성되는 기재층;상기 기재층 상부에 형성되는 수지층; 및상기 수지층 상부에 형성되는 인쇄층;을 포함하고,상기 점착층 및 수지층 중 하나 이상은 PLA 수지를 포함하는 것을 특징으로 하는 생분해성 시트.
- 점착층;상기 점착층 상부에 형성되는 기재층;상기 기재층 상부에 형성되는 수지층;상기 수지층 상부에 형성되는 인쇄층; 및상기 인쇄층 상부에 형성되는 표면처리층을 포함하고,상기 점착층 및 수지층 중 하나 이상은 PLA 수지를 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 1항 또는 제 2항에 있어서,상기 PLA 수지는 졸 형태를 이용하는 것을 특징으로 하는 생분해성 시트.
- 제 1항 또는 제 2항에 있어서,상기 점착층 및 수지층 중 하나 이상은 PLA 수지 및 바이오 수지가 블렌드된 수지를 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 4항에 있어서,상기 바이오 수지는 셀룰로오스(Cellulose), 키틴(Chitin), 녹말(Starch), PHA(Poly Hydroxyl Alkanoate), PHBV(Poly Hydroxy Butyrate Valerate), PVA(Poly Vinyl Alcohol), PGA(Poly Glycolic Acid), PBS(Poly Butylene Succinate), PBSA(Poly Butyleneadipate-co-Butylene Succinate), PBAT(Poly Butylene Adipate Terephthalate), PCL(Poly Capro Lactone), 폴리(에스테르-아미드)(Poly(Ester-Amide)) 및 폴리(에스테르-우레탄)(Poly(Ester-Urethane)) 중 선택되는 하나 이상의 수지인 것을 특징으로 하는 생분해성 시트.
- 제 1항 또는 제 2항에 있어서,상기 점착층 및 수지층 중 하나 이상은 PLA 수지 및 합성수지가 블렌드된 수지를 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 6항에 있어서,상기 합성수지는 PVC(polyvinyl chloride), PEG(polyethylene glycol), EVA(ethylene vinyl acetate), TPE(thermo plastic elastomer), TPU(thermoplastic polyurethane), TPS(thermo plastic starch), ENR(epoxidized naturalrubber), 아이오노머(Ionomer), SBS(styrene butadiene styren), NBR(nitrilebutadiene rubber), SEBS(styrene ethylene butylenes styrene), 아크릴레이트(acrylate), ABS(acrylonitrile butadiene styrene), 상용화제를 포함하는 변성폴리올레핀(polyolefin modified with compatibilizer), PU(polyurethane), 폴리아마이드, 폴리에스테르 중 선택되는 하나 이상의 수지인 것을 특징으로 하는 생분해성 시트.
- 제 1항 또는 제 2항에 있어서,상기 수지층은 가소제, 가공조제 중 하나 이상을 더 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 1항 또는 제 2항에 있어서,상기 수지층은 PLA 수지 100중량부에 대하여, 가소제 10~50중량부 및 가공조제 1~10중량부를 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 8항에 있어서,상기 수지층은 충진제, 활제, 첨가제 중 하나 이상을 더 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 10항에 있어서,상기 수지층은 PLA 수지 100중량부에 대하여, 충진제 50~150중량부, 활제 0.1~8중량부, 첨가제 0.2~5중량부를 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 1항 또는 제 2항에 있어서,상기 점착층은 PLA 수지 10~40중량%, 용제 60~90중량%를 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 12항에 있어서,상기 용제는 MEK(methyl ethyl ketone), MIBK(methyl isobutyl ketone), 아세톤(acetone), 에틸알코올(ethyl alcohol) 중 어느 하나 이상인 것을 특징으로 하는 생분해성 시트.
- 점착층;상기 점착층 상부에 형성되는 수지층; 및상기 수지층 상부에 형성되는 인쇄층을 포함하고,상기 점착층 및 수지층 중 하나 이상은 PLA 수지를 포함하는 것을 특징으로 하는 생분해성 시트.
- 점착층;상기 점착층 상부에 형성되는 수지층;상기 수지층 상부에 형성되는 인쇄층; 및상기 인쇄층 상부에 형성되는 표면처리층을 포함하고,상기 점착층 및 수지층 중 하나 이상은 PLA 수지를 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 14항 또는 제 15항에 있어서,상기 PLA 수지는 졸 형태를 이용하는 것을 특징으로 하는 생분해성 시트.
- 제 14항 또는 제 15항에 있어서,상기 수지층은 PLA 수지 및 바이오 수지가 블렌드된 수지를 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 17항에 있어서,상기 바이오 수지는 셀룰로오스(Cellulose), 키틴(Chitin), 녹말(Starch), PHA(Poly Hydroxyl Alkanoate), PHBV(Poly Hydroxy Butyrate Valerate), PVA(Poly Vinyl Alcohol), PGA(Poly Glycolic Acid), PBS(Poly Butylene Succinate), PBSA(Poly Butyleneadipate-co-Butylene Succinate), PBAT(Poly Butylene Adipate Terephthalate), PCL(Poly Capro Lactone), 폴리(에스테르-아미드)(Poly(Ester-Amide)) 및 폴리(에스테르-우레탄)(Poly(Ester-Urethane)) 중 선택되는 하나 이상의 수지인 것을 특징으로 하는 생분해성 시트.
- 제 14항 또는 제 15항에 있어서,상기 수지층은 PLA 수지 및 합성수지가 블렌드된 수지를 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 19항에 있어서,상기 합성수지는 PVC(polyvinyl chloride), PEG(polyethylene glycol), EVA(ethylene vinyl acetate), TPE(thermo plastic elastomer), TPU(thermoplastic polyurethane), TPS(thermo plastic starch), ENR(epoxidized naturalrubber), 아이오노머(Ionomer), SBS(styrene butadiene styren), NBR(nitrilebutadiene rubber), SEBS(styrene ethylene butylenes styrene), 아크릴레이트(acrylate), ABS(acrylonitrile butadiene styrene), 상용화제를 포함하는 변성폴리올레핀(polyolefin modified with compatibilizer), PU(polyurethane), 폴리아마이드, 폴리에스테르 중 선택되는 하나 이상의 수지인 것을 특징으로 하는 생분해성 시트.
- 제 14항 또는 제 15항에 있어서,상기 수지층은 가소제, 가공조제 중 하나 이상을 더 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 14항 또는 제 15항에 있어서,상기 수지층은 PLA 수지 100중량부에 대하여, 가소제 10~50중량부 및 가공조제 1~10중량부를 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 21항에 있어서,상기 수지층은 충진제, 활제, 첨가제 중 하나 이상을 더 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 23항에 있어서,상기 수지층은 PLA 수지 100중량부에 대하여, 충진제 50~150중량부, 활제 0.1~8중량부, 첨가제 0.2~5중량부를 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 14항 또는 제 15항에 있어서,상기 점착층은 PLA 수지 10~40중량%, 용제 60~90중량%를 포함하는 것을 특징으로 하는 생분해성 시트.
- 제 25항에 있어서,상기 용제는 MEK(methyl ethyl ketone), MIBK(methyl isobutyl ketone), 아세톤(acetone), 에틸알코올(ethyl alcohol) 중 어느 하나 이상인 것을 특징으로 하는 생분해성 시트.
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US14/116,818 US9403348B2 (en) | 2012-09-21 | 2012-09-21 | Biodegradable sheets having adhesive layer |
JP2014536970A JP2014534992A (ja) | 2012-09-21 | 2012-09-21 | 粘着層を有する生分解性シート |
CN201280022769.2A CN103827239B (zh) | 2012-09-21 | 2012-09-21 | 具有粘结层的生物降解性薄片 |
PCT/KR2012/007608 WO2014046320A1 (ko) | 2012-09-21 | 2012-09-21 | 점착층을 갖는 생분해성 시트 |
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CN113500837A (zh) * | 2021-08-11 | 2021-10-15 | 苏州丰连实业有限公司 | 一种具有可降解性能的阻隔片材、餐盒及其制备方法 |
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JP6241260B2 (ja) * | 2013-12-20 | 2017-12-06 | 東洋インキScホールディングス株式会社 | 再剥離性水性粘着剤および粘着シート |
CN104817991A (zh) * | 2015-04-30 | 2015-08-05 | 黄琳 | 一种耐高温环氧树脂胶粘剂的制备方法 |
CN109021853A (zh) * | 2018-06-26 | 2018-12-18 | 南京苏新印务有限公司 | 一种用于上机血培养瓶的不干胶标签的生产工艺 |
CN109294480A (zh) * | 2018-10-18 | 2019-02-01 | 合肥欧克斯新型建材有限公司 | 一种用于包装材料的环保降解型胶带制备方法 |
CN112512802A (zh) * | 2018-11-30 | 2021-03-16 | 琳得科株式会社 | 离型纸,使用该离型纸的胶粘片、标签用原纸以及标签 |
KR102108680B1 (ko) * | 2019-06-17 | 2020-05-08 | 이흥수 | 가구용 몰딩 자재의 제조방법 및 이에 제조된 가구용 몰딩 자재 |
CN110305595B (zh) * | 2019-07-09 | 2020-11-13 | 中国科学院长春应用化学研究所 | 一种柔性环保封箱胶带及其制备方法 |
CN110305596B (zh) * | 2019-08-01 | 2020-11-13 | 中国科学院长春应用化学研究所 | 一种聚乳酸自粘胶带及其制备方法 |
JP6722336B1 (ja) * | 2019-10-23 | 2020-07-15 | ヤマックス株式会社 | シート |
TWI737378B (zh) * | 2020-07-02 | 2021-08-21 | 四維創新材料股份有限公司 | 生物可分解水性聚氨酯感壓膠及具有生物可分解水性聚氨酯感壓膠製品 |
JP7005078B1 (ja) * | 2021-10-08 | 2022-01-21 | サイデン化学株式会社 | 粘着性樹脂組成物 |
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US9403348B2 (en) | 2016-08-02 |
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