WO2018221861A1 - 바이오매스 및 생분해 촉매제를 이용한 산화생분해성 투명 바이오 랩 필름 - Google Patents

바이오매스 및 생분해 촉매제를 이용한 산화생분해성 투명 바이오 랩 필름 Download PDF

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WO2018221861A1
WO2018221861A1 PCT/KR2018/004826 KR2018004826W WO2018221861A1 WO 2018221861 A1 WO2018221861 A1 WO 2018221861A1 KR 2018004826 W KR2018004826 W KR 2018004826W WO 2018221861 A1 WO2018221861 A1 WO 2018221861A1
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biomass
oxidative
weight
wrap film
biodegradable
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PCT/KR2018/004826
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English (en)
French (fr)
Korean (ko)
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김영태
유영선
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(주)파워랩
(주)바이오소재
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Priority to CN201880000775.5A priority Critical patent/CN109563307B/zh
Publication of WO2018221861A1 publication Critical patent/WO2018221861A1/ko

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0033—Additives activating the degradation of the macromolecular compound
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/02—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0016—Plasticisers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/101—Esters; Ether-esters of monocarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/101—Esters; Ether-esters of monocarboxylic acids
    • C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride

Definitions

  • the present invention relates to a transparent bio wrap film, and more particularly, to a food packaging material by adding a carbon neutral type plant plasticizer, an epoxidized soybean oil, a biodegradation catalyst, and a component for maintaining freshness to a vinyl chloride resin, which is a main raw material.
  • Oxidative and biodegradable transparent materials using biomass and biodegradation catalysts are prepared by producing a raw material composition and extruding it in the form of a film to achieve excellent transparency, flexibility, and mechanical properties while maintaining carbon reduction, biodegradation properties, and freshness retention functions.
  • Plastic which is a necessity in our lives, has not become rotten and has become the culprit of environmental pollution. Recently, the development of plastic technology that decomposes in nature is actively being made, and the demand is exploding.
  • Bio plastics are largely divided into bio degradable plastics, Oxo-biodegradable plastics and bio based plastics, of which bio-degradable additives are further included in bio-based plastics.
  • the oxidized biodegradable plastic is a plastic containing oxidative biodegradable additives in addition to a plastic containing more than 25% of biomass derived from plants such as corn, and its raw material is produced by photosynthesis. in need. Therefore, it has the effect of suppressing carbon emissions, and can reduce the consumption of petroleum, a limited resource, and after being disposed of, it is decomposed by microorganisms, and in particular, it has been spotlighted as an environmentally friendly material in terms of improving properties and maintaining price competitiveness.
  • bio-base plastics are rapidly industrializing because they can overcome premature biodegradation problems, physical property degradation, price competitiveness, and difficulty of recycling, which have been pointed out as disadvantages of existing biodegradable plastics.
  • Plant Bottle which started in Japan, became a topic of PET bottles using about 30% of bioethanol extracted from sugarcane to existing PET raw materials.Coca-Cola developed and commercialized 'Plant Bottle', a bottle of Bio PET beverage. Since 2009, the company has sold more than 20 billion units in more than 20 countries around the world, and is currently researching and developing products to significantly increase its biomass content.
  • bioplastics Due to the global market demand for eco-friendliness and the speed of corporate R & D, bioplastics accounted for 1 to 5% of the global plastics market at the beginning of the century, but after 2016 it will grow into an industry that occupies more than 10%. It is expected to be. However, bioplastics are still limited in scope. Due to the cost increase, it is about 2 to 3 times more expensive than existing plastic products, and lower physical properties than existing synthetic plastics, so there remains a problem to be solved for use in electronic products and industrial products.
  • the product has been developed by using carbon-reducing plant biomass, general-purpose plastic, biodegradable resin, biodegradable resin, biodegradation accelerator, oxidizing agent, and compatibilizer in plastics, which is effective in improving physical properties, but has low plasticity.
  • plastics which is effective in improving physical properties, but has low plasticity.
  • the present invention is to provide an oxidative biodegradable transparent bio-wrap film that can harmoniously implement a carbon reduction function, biodegradation characteristics, freshness maintaining function, transparency, flexibility and mechanical properties.
  • the present invention is 100 parts by weight of a thermoplastic resin as a main raw material; 27 to 51 parts by weight of an ester plasticizer as a primary plasticizer; 6 to 12 parts by weight of a carbon neutral plant plasticizer as a secondary plasticizer; 1-2 parts by weight of a polyhydric alcohol fatty acid ester as an antifogging agent; 0.1 to 2 parts by weight of a calcium-zinc-based organic composite thermal stabilizer as a thermal stabilizer; 0.1 to 2 parts by weight of oxidative biodegradation pellets containing biomass as an oxidative biodegradation catalyst; And 0.001 to 0.02 parts by weight of a metal-coated zeolite powder as an additive for maintaining freshness, wherein the thermoplastic resin is polyvinyl chloride (PVC), and the primary plasticizer is glyceryl laurate diacetate.
  • PVC polyvinyl chloride
  • the primary plasticizer is glyceryl laurate diacetate.
  • the secondary plasticizer is epoxidized soybean oil
  • the antifogging agent is polyglycerol monooleate
  • the heat stabilizer is A fatty acid mixture of calcium and zinc having at least one fatty acid selected from the group consisting of lauric acid, oleic acid, benzoic acid, behenic acid, stearic acid and ricinolic acid
  • the oxidative biodegradation catalyst is biomass, binder resin, wax, aliphatic poly Consisting of ester, sorbitol, calcium carbonate and stearic acid
  • the fresh The additive for maintaining the present invention is a titanium, aluminum or tin-coated zeolite powder, characterized in that used as a raw material of food packaging, provides an oxidative biodegradable transparent bio wrap film composition using a biomass and biodegradation catalyst.
  • an oxidative biodegradable transparent bio wrap film using a biomass and a biodegradation catalyst prepared by extrusion molding the composition as described above.
  • the method for producing an oxidative biodegradable transparent bio-wrap film as described above after each raw material component is added to the supermixer while maintaining the conditions of 1,400 rpm and 140 ⁇ 5 °C
  • the mixture was prepared by mixing for 12 minutes, and then extruded the compound while maintaining a screw temperature of 180 to 200 ° C. and a T-DIE temperature of 200 to 205 ° C. using an extrusion machine having a die diameter of 90 mm and L / D 28.
  • the oxidative biodegradable composition according to the present invention has an advantage of high carbon reduction efficiency due to high content of biomass-derived organic carbon.
  • the oxidative biodegradable composition according to the present invention is excellent in mechanical properties such as tensile strength, elongation and maximum load elongation, and thus can be used in various soft and hard products that require flexibility, such as packaging films, packaging materials, and biofilaments for 3D printers. .
  • the oxidative biodegradable wrap film according to the present invention is excellent in freshness retention function and can be particularly suitably used as a food packaging material.
  • the oxidative biodegradable wrap film according to the present invention may be used in various product families requiring transparency by having high transparency.
  • the oxidative biodegradable wrap film according to the present invention to solve the environmental problem by oxidative biodegradation at the time of disposal.
  • FIG. 1 is a schematic diagram of a production process of an oxidative biodegradable transparent bio wrap film composition and a food packaging wrap film prepared therefrom according to the present invention.
  • 2, 3 and 4 are graphs showing the tensile strength, the elongation and the maximum load elongation of the control and the oxidative biodegradable transparent bio wrap film to which the oxidative biodegradation catalyst is not added.
  • 5 is a diagram showing standard guides related to exposure and testing by oxidative and biodegradation.
  • 6 and 7 are graphs showing the average biodegradability of cellulose and oxidative biodegradable transparent bio wrap film.
  • FIGS. 8 and 9 are flow charts for a method of six regulated substances in accordance with the European RoHS standard.
  • thermoplastic resin 100 parts by weight of a thermoplastic resin as a main raw material
  • thermoplastic resin is polyvinyl chloride (PVC),
  • the primary plasticizer is a mixture of glyceryl laurate diacetate and diisononyl hexahydrophthalate,
  • the secondary plasticizer is epoxidized soybean oil
  • the antifogging agent is polyglycerol monooleate
  • the heat stabilizer is a fatty acid mixture of calcium and zinc having at least one fatty acid selected from the group consisting of lauric acid, oleic acid, benzoic acid, behenic acid, stearic acid and ricinolic acid,
  • the oxidative biodegradation catalyst is composed of biomass, binder resin, wax, aliphatic polyester, sorbitol, calcium carbonate and stearic acid,
  • the additive for maintaining the freshness is a zeolite powder coated with titanium, aluminum or tin,
  • the vinyl chloride resin which is the main ingredient of the biolab film composition according to the present invention, may play a role in determining the characteristics of various extruded and injection molded articles produced from the oxidative biodegradable biolab film composition.
  • the degree of polymerization which is a major factor in determining the physical properties of the resin, should be determined first.
  • the vinyl chloride resin may have a polymerization degree of 950 to 1050, and the polymerization degree vinyl chloride resin may have transparency and tensile strength of the product. And it can act advantageously to improve the physical properties such as anti-fog.
  • the rapid melting rate and plasticizer absorption rate of the polyvinyl chloride resin promotes gelation, shortens the mixing time of the raw materials, and improves the ease of processing with excellent work stability.
  • the resin may be advantageous to have a suitable porous structure for the absorption of additives such as plasticizers, thermal stabilizers that are inevitably added for the improvement of physical properties, impart functionality. It is preferable to use a resin having a narrow particle size distribution range and an apparent specific gravity suitable for the particle size in order to facilitate the blending of raw materials and to improve the extrusion amount per unit time. If the particle size distribution range is widened, the mixing state between the raw materials is not good, and the processing is difficult, and if the size of the particle size is too small, it prevents the resin from melting due to friction and thermal decomposition between particles, thereby preventing normal physical properties.
  • vinyl chloride resin may have an apparent specific gravity of 0.51 to 0.59 g / cc in a particle size distribution range of 300 to 350 ⁇ m, but is not limited thereto. no.
  • a predetermined plasticizer is used to promote plasticization of the raw material resin and to impart performance such as ductility and adhesive force to the film produced from the composition.
  • the primary plasticizer is an ester plasticizer, a mixture of glyceryl laurate diacetate and diisononyl hexahydrophthalate (e.g., a weight ratio of 3: 7 to 7: 3, more specifically 5 Mixed at a weight ratio of 5).
  • the ester plasticizer may be added 27 to 51 parts by weight based on 100 parts by weight of vinyl chloride resin.
  • epoxidized soybean oil is used as a plant-derived plasticizer.
  • Epoxidized soybean oil is included as a carbon neutral biomass in the bio wrap film composition of the present invention to increase the carbon reduction function.
  • the cost is lower than that of a conventionally used plasticizer, which may have an advantageous effect on cost reduction, and also plays a part as a heat stabilizer, thereby maximizing the heat stabilizer effect with the heat stabilizer described later.
  • epoxidized soybean oil needs to be added in an appropriate ratio, and preferably 6 to 12 parts by weight based on 100 parts by weight of vinyl chloride resin.
  • the antifogging agent is for preventing the formation of water droplets formed due to the condensation of steam on the film surface, and is preferably a polyhydric alcohol fatty acid ester such as monoglycerin fatty acid ester, polyglycerin fatty acid ester, sorbitan fatty acid ester and polyoxyethylene fatty acid ester. Polyglycerol monooleate is used.
  • the antifogging agent may cause a problem of deterioration in transparency when added in excess, and preferably 1 to 2 parts by weight may be added to 100 parts by weight of vinyl chloride resin.
  • Thermal stabilizer is a component for preventing thermal decomposition of vinyl chloride resin under high temperature processing conditions and suppressing generation of hydrogen chloride by heating.
  • Non-lead thermal stabilizer especially calcium-zinc organic composite thermal stabilizer, is used.
  • the calcium-zinc organic composite thermal stabilizer can be a fatty acid mixture of calcium and zinc having at least one fatty acid selected from the group consisting of lauric acid, oleic acid, benzoic acid, behenic acid, stearic acid and ricinolic acid, preferably chlorinated 0.1 to 2 parts by weight may be added based on 100 parts by weight of the vinyl resin.
  • the oxidative biodegradation catalyst is a component for shortening the period of complete decomposition of plastics to 1 to 5 years or controlling the period of final biodegradation.
  • biomass binder resin, wax, aliphatic polyester, sorbitol, calcium carbonate and stearic acid
  • the biomass may be a by-product obtained from the skin of a grain or a herbaceous agricultural product or a mixture thereof, and modified starch may be used.
  • the binder resin may be polypropylene or polyethylene, preferably polyethylene.
  • the wax can be paraffin, beeswax, candelilla, PE and PP wax.
  • polybutylene succinic acid may be preferably used as the aliphatic polyester.
  • the sorbitol may serve as a starch plasticizer, and calcium carbonate may serve as an inorganic filler.
  • a mixture of the seven components is used as the oxidative biodegradation catalyst in the present invention to control the biodegradation period of the product comprising the composition and the film according to the present invention.
  • the seven components are more than 25% biomass, less than 50% binder resin, less than 10% wax, less than 10% aliphatic polyester, less than 3% sorbitol, less than 10% calcium carbonate and less than 2% stearic acid.
  • 50% biomass, 35% binder resin, 5% wax, 4% aliphatic polyester, 1% sorbitol, 4% calcium carbonate and 1% stearic acid Such as 50% biomass, 35% binder resin, 5% wax, 4% aliphatic polyester, 1% sorbitol, 4% calcium carbonate and 1% stearic acid.
  • the additive for maintaining freshness is a component added to prevent color change, wilting, rancidity, etc. of the food to be packaged and to maintain its freshness.
  • a metal-coated zeolite powder preferably titanium, aluminum or tin is coated. Zeolite powder is used. As described above, the metal coated on the surface of the zeolite is combined with oxygen in the food packaging material and is converted into titanium oxide to remove oxygen in the food packaging material, thereby greatly enhancing the antioxidant function. Metals such as titanium may be coated on the zeolite surface by dissolving a water-soluble metal-containing compound in water and then impregnating the zeolite.
  • the additive for maintaining freshness is preferably added in an amount of 0.001 to 0.02 parts by weight based on 100 parts by weight of vinyl chloride resin in terms of maintaining freshness and economical efficiency at the same time.
  • the oxidative biodegradable transparent bio wrap film composition according to the present invention may be obtained as a thin plate-like film through a series of extrusion and cooling processes.
  • the mechanical properties set in advance in the composition step should be able to be realized in the film, and thus the thickness of the film needs to be set.
  • the thickness of the oxidative biodegradable transparent bio wrap film according to the present invention may preferably be 10 to 15 ⁇ m, more preferably 11 to 13 ⁇ m. Excellent physical properties suitable for films can be seen in the thickness range of 11 to 13 ⁇ m.
  • Polyvinyl chloride P-1000, Hanwha Chemical
  • Primary plasticizer A-5004, Aesthetic
  • Epoxidized soybean oil EEO, Sajo
  • Polyhydric alcohol fatty acid ester AMAX- 9000, Ilsin Wells
  • calcium-zinc-based organic composite thermal stabilizer LTX, KD Chem
  • oxidative biodegradation catalyst TGR, biomaterial
  • zeolite powder coated with titanium Ti
  • the screw temperature is maintained at 180 to 200 ° C. using an extrusion machine (# 90-28, Power INC, Cheongju, Korea) with a die diameter of 90 mm and L / D of 28, and T-DIE (T-DIE, Cn tech industrial company, Hwaseong, Korea) extruded the control and oxidative biodegradable transparent bio wrap film composition prepared as described above while maintaining the temperature of 200 to 205 °C. Then, the cooling rolls 1, 2, and 3 were passed while maintaining the temperature at 20 to 26 ° C. for cooling, and a film having a thickness of 12 ⁇ m was produced through the winder roll.
  • an extrusion machine # 90-28, Power INC, Cheongju, Korea
  • T-DIE T-DIE, Cn tech industrial company, Hwaseong, Korea
  • both the control and the oxidative biodegradable film showed high tensile strength and elongation in the MD direction, and the oxidative biodegradable film showed lower tensile strength and elongation than the control in the TD direction, but the significant difference was more than 90%. It can be seen.
  • the oxidative biodegradable film showed higher tensile strength and elongation than the control, which was superior to the control due to the increased strength of the oxidative biodegradable film.
  • the maximum load elongation of the oxidative biodegradable film was higher than that of the control in the MD direction, and it was slightly lower than the control in the TD direction, but there was no significant difference when the difference was more than 90%. Judging by the level.
  • the average biodegradation calculated by the carbon dioxide emission amount of the standard cellulose was 76.1%, and the average biodegradation calculated by the carbon dioxide emission amount of the biodegradable film prepared according to the present invention was 46.7%.
  • the biodegradation was 61.4% compared to the standard.
  • the oxidative biodegradable film prepared from the example was measured according to the synthetic resin method among the standards and specifications of utensils, containers, and packaging in accordance with KFDA, and the results are shown in Table 4 below.
  • the biodegradable film according to the present invention is very suitable for the container packaging standard for food.
  • the oxidative biodegradable film prepared from the examples was found to be non-detection for all six hazardous substances, and accordingly it was found to comply with the European RoHS standard.
  • Haze is a phenomenon in which when light passes through a transparent material, light is diffused depending on the material's intrinsic properties, in addition to reflection and absorption depending on the type of material, resulting in an opaque cloudy appearance.
  • the degree of diffusion of light incident on such a transparent object is called haze, and the diffusion transmittance (Td) and total light transmittance (Tt) are measured and expressed as the ratio (Td / Tt ⁇ 100). It is a very excellent material, and if it is 3 or less, it can be used as an optical material.
  • the haze of the biodegradable film was 3, which was excellent in transparency.
  • a oxidative biodegradable transparent bio wrap film was newly developed using a plant derived plasticizer, a biodegradation catalyst, and the like.
  • Carbon-neutral plant biomass has attracted attention because it does not increase the total amount of carbon dioxide in the earth.
  • the carbon-neutral transparent biowrap film has a biomass content of 35%, which is higher than the USDA standard of 25%.
  • the test results of heavy metal detection of the transparent biolab film were in compliance with the European RoHS standard, and the biodegradability was measured for 45 days and showed 61.4% biodegradation compared to cellulose, which was also in compliance with the standards of ASTM D 6494 and UAE S 5009.
  • the transparent bio-wrap film of the present invention is effectively suppressed the color change, browning and wilting of various packaged fruits and vegetables as compared to the case of not using the metal-coated zeolite powder. It was confirmed that it was very suitable for maintenance.
  • Oxidative biodegradable transparent bio wrap film using biomass and biodegradation catalyst according to the present invention has excellent biodegradability and mechanical properties, organic carbon content meets the standards of bio-based plastics such as USDA, freshness of packaged foods It is also advantageous to maintain.
  • the oxidative biodegradable transparent bio wrap film of the present invention may be utilized in various products such as eco-friendly packaging including food packaging materials, biofilament for 3D printer, and its business ripple effect is also expected to be great.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Wrappers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
PCT/KR2018/004826 2017-05-29 2018-04-26 바이오매스 및 생분해 촉매제를 이용한 산화생분해성 투명 바이오 랩 필름 WO2018221861A1 (ko)

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CN110079068A (zh) * 2019-05-31 2019-08-02 淄博中南医药包装材料股份有限公司 100％生物降解防雾片及其制备方法

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KR101803495B1 (ko) * 2017-05-29 2017-11-30 (주)파워랩 바이오매스 및 생분해 촉매제를 이용한 산화생분해성 투명 바이오 랩 필름
KR102058394B1 (ko) * 2018-06-14 2020-01-22 김용동 친환경 바이오 필름 봉투의 제조방법 및 이로부터 수득된 필름 봉투
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