WO2019087363A1 - 粉末含有複合非生分解性樹脂組成物、抗菌性食器及び抗菌包装資材 - Google Patents
粉末含有複合非生分解性樹脂組成物、抗菌性食器及び抗菌包装資材 Download PDFInfo
- Publication number
- WO2019087363A1 WO2019087363A1 PCT/JP2017/039794 JP2017039794W WO2019087363A1 WO 2019087363 A1 WO2019087363 A1 WO 2019087363A1 JP 2017039794 W JP2017039794 W JP 2017039794W WO 2019087363 A1 WO2019087363 A1 WO 2019087363A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- powder
- resin composition
- mass
- fine powder
- biodegradable resin
- Prior art date
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/02—Plates, dishes or the like
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/22—Drinking vessels or saucers used for table service
-
- 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
- C08K3/10—Metal compounds
- C08K3/12—Hydrides
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
Definitions
- a powdery antibacterial agent consisting of calcium oxide or calcium hydroxide and various biomasses are applied to a fine powder, and are kneaded and contained in a thermoplastic resin, a thermosetting resin, or a biodegradable resin composition, and multifunctionality Powder-containing composite non-biodegradable resin composition, and antimicrobial tableware and antimicrobial packaging material.
- biomass (bio) amount (mass) is generally used to exclude fossil resources from renewable organically-derived organic resources.
- biomass (bio) amount (mass) is generally used to exclude fossil resources from renewable organically-derived organic resources.
- Non-biodegradable resins which reduce dependence on fossil resources such as petroleum by effectively using oil, and contribute to the improvement of environmental problems facing modern society and the formation of an environmental society, are the next-generation resins Has attracted attention as.
- the problem to be solved by the present invention is to provide a multifunctional powder-containing composite non-biodegradable resin composition which is low in raw material cost and has high antibacterial and deodorant performance, and various kinds of resin etc. It is an object of the present invention to provide a powder-containing non-biodegradable resin composition which does not deteriorate various properties.
- the powder-containing composite non-biodegradable resin composition according to the first aspect of the present invention is an eggshell or shell (sea product) or calcium oxide fine powder obtained by high temperature firing of land shell or calcium oxide thereof
- Powder containing composite non-biodegradable containing calcium hydroxide fine powder or food waste biomass (eg eggshell or shell (marine) or calcium carbonate fine powder of land shell) and biodegradable resin composition It is a resin composition, Content of the said calcium hydroxide fine powder is 0.5 mass%-10.0 mass% with respect to the total mass of powder-containing composite non-biodegradable resin composition, The said oxidation The content in the case of using calcium fine powder is 4.0 mass% or less with respect to the total mass of the powder-containing composite non-biodegradable resin composition, and the content of the calcium carbonate fine powder is a powder-containing complex. Characterized in that the total weight of non-biodegradable resin composition is 5.0 wt% to 60.0 wt%.
- the powder-containing composite non-biodegradable resin composition according to the second aspect of the present invention is a calcium oxide fine powder obtained by high-temperature firing eggshells or shells (marine) or land shells, or the hydroxide thereof having been hydrolyzed.
- a powder-containing resin composition comprising calcium fine powder, biomass (cellulose waste material such as waste paper, waste lumber, forest residues, agricultural non-food parts, etc., and biodegradable resin composition, the water containing water
- the content of the calcium oxide fine powder is 0.5% by mass to 10.0% by mass with respect to the total mass of the powder-containing composite non-biodegradable resin composition, and the content when the calcium oxide fine powder is used Is not more than 4.0% by mass based on the total mass of the powder-containing composite non-biodegradable resin composition, and the content of the biomass cellulosic material fine powder is the total of the powder-containing composite non-biodegradable resin composition quality
- it is 5.0 wt% to 60.0 wt% with respect to.
- the powder-containing composite non-biodegradable resin composition according to the third aspect of the present invention is a calcium oxide fine powder obtained by high-temperature firing eggshells or shells (marine) or terrestrial shells or hydroxide thereof hydrolysed with calcium oxide.
- Calcium fine powder eg eggshell or shell (marine) or calcium carbonate fine powder of land shell
- biomass waste paper, waste lumber, lumber residue, cellulose material fine powder such as inedible parts of agricultural crops
- a powder-containing composite non-biodegradable resin composition comprising a biodegradable resin composition
- the content of the calcium hydroxide fine powder is the total mass of the powder-containing composite non-biodegradable resin composition
- the content is 0.5% by mass to 10.0% by mass
- the content in the case of using the calcium oxide fine powder is 4.0 based on the total mass of the powder-containing composite non-biodegradable resin composition.
- the content of the calcium carbonate fine powder is 5.0% by mass to 60.0% by mass with respect to the total mass of the powder-containing composite non-biodegradable resin composition.
- the powder content is characterized in that it is 5.0% by mass to 60.0% by mass with respect to the total mass of the powder-containing composite non-biodegradable resin composition.
- the antimicrobial / deodorant processed product according to the fourth aspect of the present invention is a daily product using the powder-containing composite non-degradable resin composition described in the first to third aspects, and an antibacterial agent, an antibacterial agent, an antibacterial agent It is characterized in that it is an antibacterial dishware such as a sex spoon, an antibacterial knife, an antibacterial fork, an antibacterial dish, an antibacterial tray, an antibacterial cup and the like.
- the following effects can be obtained by the above-mentioned components.
- (1) It is possible to reduce the CO2 emissions from incineration as combustibles as compared to petroleum-derived resin products.
- (2) Although calcium oxide or calcium hydroxide is mixed for the purpose of antibacterial and deodorizing effects, it is a biological material such as eggshells and shells (sea water) land shells, and it has allergies to the human body and There is no risk of causing side effects.
- the bactericidal activity is also extremely high, and an antibacterial and deodorizing effect can be exhibited which is superior to conventional antibacterial agents using a silver-based antibacterial agent or a photocatalyst.
- biodegradable resin base materials are polylactic acid (PLA), polyglycolic acid (PGA), polybutylene succinate (PBS), polybutylene succinate adipate (PBSA), polybutylene adipate terephthalate (PBAT BASF), polyethylene Either terephthalate succinate (PETS) or poly (3-hydroxybutyrate-co-3-hydroxyhexanoate (PHBH) is used.
- PLA polylactic acid
- PGA polyglycolic acid
- PBS polybutylene succinate
- PBSA polybutylene succinate adipate
- PBAT BASF polybutylene adipate terephthalate
- PETS polyethylene Either terephthalate succinate
- PHBH poly (3-hydroxybutyrate-co-3-hydroxyhexanoate
- Fine Powder Consisting of Calcium Oxide or Calcium Hydroxide Calcium oxide or calcium hydroxide according to the present invention is carbonated such as eggshell or shell (marine) or land shell which is of biological origin as its main raw material Use calcium.
- the method of producing calcium hydroxide fine powder having high antibacterial, antiseptic and deodorizing performance to be used in the present invention from the main raw materials is explained.
- the calcium oxide fine powder used in the present invention is calcium obtained by high-temperature calcining calcium carbonate of biological origin, and the calcium hydroxide fine powder is hydrolyzed with the calcium oxide. And the resultant is pulverized into a fine powder by a predetermined pulverizing method.
- biogenic shells such as scallop shells, clam shells, clam shells, scallop shells, etc. can be used as calcium carbonate of biological origin, regardless of whether it is natural or cultured. It is also good. However, in view of the fact that the composition of the shell is uniform and the supply amount is extremely stable, it is most desirable to use a scallop shell for culture.
- calcium oxide By the way, if calcium oxide is used instead of calcium hydroxide but calcium hydroxide is generated, calcium oxide has the property of generating heat during its hydration, so it is mixed with biodegradable resin. It is not preferable to use calcium oxide in the present invention because it causes expansion heating at the time of molding and resin deterioration problems occur after molding and molding, but when using it purposely in terms of production cost, the content is 4.0 mass % Or less. If the content is 4.0% by mass or less, the calorific value at the time of kneading does not affect the resin molding temperature.
- not only calcium carbonate of biological origin (specifically, using a scallop shell) is fired, but also firing is performed within a range of 825 to 1,150 degrees centigrade in a special high temperature pyrolysis furnace.
- the firing time is preferably 1 hour or more. In the present invention, there is no problem if the firing temperature is in the range of about 825 to 1,200 ° C. It is usually desirable to perform high-temperature firing at a set temperature of about 1,000 ° C. for about 1 hour. However, it is most preferable that high temperature baking for about 1 hour to 2 hours is most preferable at a set temperature of about 1,000 degrees Celsius.
- Such high-temperature firing may be performed in the air, or may be performed in the range of an inert gas such as nitrogen or carbon dioxide gas.
- an inert gas such as nitrogen or carbon dioxide gas.
- the composition of calcium carbonate of biological origin is (CaCO 3 ), and calcium oxide (CaO) can be obtained by high-temperature firing (over 1 hour at 825 ° C.).
- the calcium oxide (CaO) can be obtained by being denatured by subjecting the calcium oxide to a predetermined hydration treatment.
- Calcium hydroxide (Ca (OH) 2 ) has a very high ability to reduce alkali ions, and its pH (pha) ranges from 12.0 to 13.8. Due to the strong alkali (strong base) property, performances such as an antibacterial effect, preservative, and deodorizing effect are exhibited.
- alkaline pH (pha) a large difference occurs in the above-mentioned alkaline pH (pha) depending on the high-temperature baking and the baking time thereof, the amount of added water at the time of hydration, and the method of adding water.
- the alkaline pH (pha) is greatly affected by the particle size (finerization) of the powder.
- biological calcium carbonate has a conversion probability of calcium oxide (CaO) generated by calcination to calcium hydroxide (Ca (OH) 2 ). to differ greatly.
- concentration of calcium hydroxide (Ca (OH) 2 ) is an extremely important point, and it has been confirmed and demonstrated that the alkaline pH (pha) is greatly affected.
- the strong alkali (strong base) pH (pH) rises to about 13.8, and the antibacterial effect, preservative, deodorizing effect, etc. are extremely strongly exhibited, and moreover, silver-based antibacterial It can be produced at extremely low cost as compared with the agent etc.
- calcium hydroxide (SiO 2 ) is used as calcium hydroxide (SiO 2 ) to prevent recombination of fine particles in grinding treatment of calcium hydroxide (Ca (OH) 2 ) after high-temperature firing and hydration. It is blended at 0.1 to 1.0% by mass (preferably 0.3 to 0.6% by mass) based on the total mass of Ca (OH) 2 ). By this, it is possible to make the average particle size of the particles after the grinding process uniform to 0.3 to 3.0 ⁇ m.
- calcium hydroxide produced by the above-described treatment is set in a special pulverizer (for example, an air jet mill), and a fine powder having an average particle diameter of about 0.5 to 3.0 ⁇ m is obtained.
- the amount of impurities contained in the raw materials is small, so it is possible to obtain substantially pure calcium hydroxide as compared to the case of the aforementioned shellfish.
- the micropulverization process after firing and various parameters such as the crushed particle size are the same as the manufacturing process in the case of the shell described above, the eggshell inner membrane is a protein and thus the eggshell inner membrane is not fired It is desirable to bake in the state of eggshell only.
- the production process of calcium hydroxide powder using land shells is almost the same as the production process when using the above-described shells (marine) as the main raw material.
- the baking temperature is set low and the baking time is set short.
- Calcium carbonate according to the present invention is calcium carbonate such as eggshells and shells (marine) which are of biological origin as its main raw materials, or land shells.
- the method for producing the calcium carbonate fine powder will be described.
- the calcium carbonate fine powder used in the present invention is a calcium carbonate derived from a living body, which is finely powdered by a predetermined pulverizing method.
- scallop shells As calcium of biological origin, whether it is natural or aquaculture, for example, scallop shells, clam shells, clam shells, clam shells such as clam shells, etc. May be However, in view of the fact that the composition of the shell is uniform, and the supply amount is extremely stable, it is preferable to use a scallop shell for culture, which is a biomass.
- composition of calcium carbonate of biological origin is (CaCO 3 ), and the calcium carbonate fine powder used in the present invention can be obtained by grinding it to a particle size of about 10 to 80 ⁇ m using a mill grinding apparatus or the like.
- the calcium carbonate fine powder used in the present invention is a calcium carbonate derived from a living body, which is finely powdered by a predetermined pulverizing method.
- the calcium carbonate powder production process in the case of using eggshells as the main raw material the above-mentioned fine grinding process in the case of using shells as the main raw material, and various parameters such as the crushed particle diameter, As in the case of the manufacturing process, it is desirable to carry out the above steps with the eggshell inner membrane removed and the eggshell alone.
- the pulverizing step in the case of using the shell shown above as the main material The various parameters such as the crushed particle size are also the same as the above-described manufacturing process for shells, but the microorganisms, bacteria, dirt, etc. adhering to eggshells, shells (sea water) land shells etc. which are main raw materials Do the removal.
- the powder antibacterial agent fine-powder aqueous solution which consists of calcium hydroxide of this invention is used for the microbe miscellaneous bacteria removal.
- the aqueous solution concentration is preferably 2% for about 10 minutes.
- the fine powder of cellulosic material used in the present invention is a substance which is not specific to the main material and is safe and reliable. If it is, that use is possible.
- a method of producing wood chips and paper (pulp) fine powder will be described.
- the wood chips are dried by forced drying to reduce the water content to 15 to 35%.
- the preferred moisture content is 15-25%.
- the mechanical performance longitudinal compression, transverse compression, hardness longitudinal tension, transverse tension, bending, shear
- the wood chips which have been subjected to the above-mentioned drying step are ground to a particle size of about 80 to 100 ⁇ m with a mill grinding apparatus or the like to obtain a fibrous material fine powder mainly consisting of wood chips.
- the drying process of the paper pieces is less in comparison with wood pieces, although the moisture content varies depending on the storage state, the moisture content is usually 8 to 20% in the normal storage. In this case, drying is also performed forcibly in the dryer to a moisture content of 8 to 10%.
- the fine pieces of fibrous material can be obtained by pulverizing the pieces of paper for which the above-mentioned drying process has been performed to a particle size of 80 to 100 ⁇ m with a mill pulverizer or the like.
- the cellulosic raw material fine powders used in the present invention can be used as agricultural raw materials in the agricultural non-food parts which are biomass.
- a method of producing rice husk fine powder will be described.
- the rice husk which is a crop non-food portion which is biomass as a fine powder of a cellulose material used in the present invention it is a drying process in the case of using the rice husk which is a crop non-food portion which is biomass as a fine powder of a cellulose material used in the present invention, but the rice husk of the non-food portion
- the water content is small depending on the storage state, the water content is usually 8.5 to 13.5% in the case of storage.
- drying is forcibly performed to a water content of 8 to 10% in a dryer.
- the rice husks of the non-food parts of agricultural products are obtained by grinding the particle size to 80 to 100 ⁇ m by using a milling device etc. be able to.
- Powdered Microbial Antibacterial Agent Powder Comprising Calcium Hydroxide Obtained by the Production Process of (1), Carbonate Obtained by the Production Process of (2) Mixing calcium fine powder, or cellulose material fine powder such as wood chips (including bamboo chips) and paper (pulp) obtained by the manufacturing process of (3) and (4), rice husks of non-food parts of agricultural products, etc. in resin Have antibacterial properties and reduce the blending ratio of resin (the amount of resin reduced is the fine powder of calcium carbonate obtained by the manufacturing process of (2), (3), (4), Powdery composite powder such as paper (pulp) and the like) and powder-containing composite non-degradable resin compositions whose production cost is reduced.
- the content ratio of the powder antibacterial agent powder consisting of calcium hydroxide is 0.5% by mass with respect to the total mass of the powder-containing resin composition.
- the content is set in the range of ⁇ 10.0% by mass, and a more preferable content ratio is most preferably 3% by mass to 8.0% by mass with respect to the total mass of the powder-containing resin composition.
- the content in the case of using it shall be 4.0 mass% or less with respect to the total mass of powder-containing composite non-biodegradable resin composition.
- fine powder which is another mixture is fine powder of calcium carbonate obtained by the production process of (2), or fine powder of fibrous material such as wood chips and paper (pulp) obtained by the production process of (3) or And (4) may include one or both of rice husk cellulosic material fine powders obtained in the non-food-use portion of the agricultural products.
- the content ratio of each fine powder is preferably set in the range of 5.0% by mass to 60.0% by mass with respect to the total mass of the powder-containing composite non-degradable resin composition.
- a further preferable content ratio is most preferably 45.0% by mass to 52.0% by mass with respect to the total mass of the powder-containing composite non-degradable resin composition.
- the resin composition used in this example includes polylactic acid (PLA), polyglycolic acid (PGA), polybutylene succinate (PBS), polybutylene succinate adipate (PBSA), and polybutylene adipate terephthalate, which are bioplastics. It is possible to use biodegradable resins of (PBAT BASF), polyethylene terephthalate succinate (PETS) and poly (3-hydroxybutyrate-co-3-hydroxyhexanoate (PHBH), and in particular the sorting of the resin Further, the nature of the resin is not particularly limited, and it is possible to use a mixed resin of each biodegradable resin.
- the powder-containing composite non-biodegradable resin composition according to the present invention has strong antibacterial and deodorant properties. As it is possessed and it has extremely high safety to the human body, it is best to use it as dishware such as chopsticks, spoons, forks, knives, dishes, trays, cups, etc. as well as existing resin daily goods.
- the rice cake made of the powder-containing composite non-biodegradable resin composition according to the present invention has sufficient strength of its physical properties and also has high antibacterial performance. It can also be used as a substitute for chopsticks.
- calcium hydroxide obtained by the production process of (1) exhibits an antibacterial activity value of 5.7 for Staphylococcus aureus, and that of Escherichia coli.
- the antibacterial activity value is shown to have an extremely high value of 6.1, and its antibacterial and preservative effects have been certified as effective.
- test result by the antimicrobial property test of JIS * Z 2801: 2010 is shown in FIG. 2 as data which can visually recognize the reproduction inhibitory effect with respect to bacteria of the multifunctional powder containing composite non-biodegradable resin composition based on this invention. .
- the multifunctional powder-containing composite non-biodegradable resin composition obtained by the production process of the present invention has an antimicrobial activity value of> 4.7, against Staphylococcus aureus.
- its antibacterial activity value is shown to have an extremely high value of> 5.9, and its antibacterial effect is certified as being effective. It is based on the description of the test report dated February 10, 2017 by the General Research Foundation Kaken Test Center (Osaka Prefecture).
- the antibacterial activity value is a parameter representing the reproduction suppressing effect of the antibacterial agent against bacteria, and in general, if the antibacterial activity value ⁇ 2.0, the antibacterial and antiseptic effect is certified to be effective.
- the deodorizing effect of the powder-containing composite non-biodegradable resin composition obtained by the production process of the present invention is that the gas concentration reduction rate after 24 hours is lower than that of isovaleric acid gas. It shows ⁇ ⁇ 99%, and for hydrogen sulfide gas, the gas concentration reduction rate after 6 hours shows a very high reduction rate of ⁇ 97%, and its deodorizing effect is certified as effective.
- the powder-containing resin composition according to the present invention uses a powdered antibacterial agent fine powder comprising calcium oxide or calcium hydroxide as a raw material derived from natural organisms such as shells (sea water), egg shells, land shells etc. Therefore, an excellent antibacterial and deodorizing effect can be realized on foods without causing adverse side effects or allergic reactions to the human body.
- a powdered antibacterial agent fine powder comprising calcium oxide or calcium hydroxide
- the proportion of the resin composition used is also small, the cost performance of the product is high, and in the combustion and incineration treatment at the time of disposal, the amount of CO 2 emission is small and environmental consideration is made.
- the biodegradable resin composition since the biodegradable resin composition is used, the environmental load is smaller than that of conventional resins derived from fossils and the like. Specifically, since it is decomposed by being left in the environment, it is unnecessary to take time for removal, and incineration or landfill is also unnecessary. As described above, the biodegradable resin has significant advantages as compared with the prior art.
- the embodiment of the present invention is not limited to the embodiments described above.
- the shape and arrangement of each part constituting each embodiment, the material thereof, etc. It goes without saying that appropriate changes can be made according to the actual embodiment without departing.
- the structure and method of the present invention described above are not limited to the fields of daily necessities and dishes, and can be used in fields requiring an antibacterial and deodorizing effect.
Landscapes
- 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)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Table Devices Or Equipment (AREA)
- Table Equipment (AREA)
Abstract
Description
そのほとんどの樹脂成型品は、熱可塑性樹脂や熱硬化性樹脂により構成されており、それらの廃棄時における焼却処理や埋立て処理が地球温暖化や土壌汚染の原因にもなっている。
菌性食器であることを特徴とする。
(1)石油由来の樹脂製品と比較して可燃物として焼却処理時の排出CO2を低減が可能である。
(2)抗菌・消臭効果を目的とした酸化カルシウム又は水酸化カルシウムを混合しているが、これは卵殻や貝殻(海産)陸生貝殻などの生物由来の物であり、人体に対してアレルギーや副作用などを生じさせるおそれがない。また、殺菌力も極めて高く、銀系抗菌剤や光触媒を用いた従来の抗菌剤にも勝るとも劣らない抗菌・消臭効果を発揮することができる。
(4)従来、廃棄処分とされていた木片や紙などの再利用に役立ち、バイオマスとして社会における資源リサイクルに貢献することが出来る。
本発明に基づく酸化カルシウム又水酸化カルシウムは、その主原料として生物由来である卵殻や貝殻(海産)もしくは陸生貝殻等の炭酸カルシウムを使用する。それらの主原料から本発明において使用される抗菌・防腐・消臭性能が高い水酸化カルシウム微粉末の生成方法の説明を行う。
本発明に用いられる酸化カルシウム微粉末は、生物由来の炭酸カルシウムを高温焼成したカルシウムで水酸化カルシウム微粉末は前記酸化カルシウムに、加水を施しこれを所定の微粉砕方法によって微細粉末化したものである。
主原料として卵殻を用いた場合の水酸化カルシウム粉末の製造プロセスも、上記に示した貝殻(海産)を主原料として用いた場合の製造プロセスとほぼ同様である。但し、卵殻の場合は前述の貝殻(海産)の場合と異なり、殻の厚みが非常に薄く質量も小さいため、焼成温度を低く設定し、また焼成時間も短く設定する。本実施例において主原料として卵殻を用いた場合は、焼成温度を摂氏825~950度程度にし、焼成時間は5~25分間程度(好適には6~8分間程度)とすることが望ましい。
ここで生物由来の炭酸カルシウムとしては、天然或いは養殖を問わず、分類は腹足網有肺亜網柄眼目科の食用エスカルゴ(Escargot)(ブルゴーニュ種、トルコ種、プティ・グリ種)であり、養殖エスカルゴ殻を用いる。
本発明に基づく炭酸カルシウムは、その主原料として生物由来である卵殻や貝殻(海産)または、陸生貝殻等の炭酸カルシウムである。以下に、その炭酸カルシウム微粉末の生成方法の説明を行う。
(2-1)主原料として貝殻(海産)を使用する場合
本発明に用いられる炭酸カルシウム微粉末は、生物由来の炭酸カルシウムを所定の微粉砕方法によって微細粉末化したものである。
本発明に用いられる炭酸カルシウム微粉末は、生物由来の炭酸カルシウムを所定の微粉砕方法によって微細粉末化したものである。
主原料として陸生貝殻を用いた場合の炭酸カルシウム粉末の製造プロセスも、上記に示した貝殻を主原料として用いた場合の微粉砕工程や、粉砕粒径などの各種のパラメータに関しても、上記した貝殻の場合の製造プロセスと同様であるが、主原料である卵殻、貝殻(海産)陸生貝殻等に付着している微生物や雑菌、汚れ等の除去を行う。また、その微生物雑菌除去に本発明の水酸化カルシウムからなる粉末抗菌剤微粉末水溶液を用いる。その水溶液濃度は2%で約10分間浸透を行うのが望ましい。
本発明に用いられるセルロース質素材微粉末は、主原料に特定性を持たず安全・安心である物質であればその使用が可能である。ここでは、木片、及び紙(パルプ)微粉末の生成方法の説明を行う。
本発明に用いられるセルロース質素材微粉末において、木片を使用する場合は木片チップの乾燥工程が重要になる。木片の含水率は、一般に極めて高く乾燥材を除いては80%を超えるものがほとんどである。含水率が高いままの木片チップ等を用いての微粉砕化は困難であり、粉砕された木片粉をそのまま樹脂へ混錬すると、樹脂の物性を低下させる等の不具合を生ずるため強制的な乾燥工程が必要とされる。
本発明に用いられる繊維質素材微粉末として、紙片(パルプ)を使用する場合、紙片の乾燥工程は木片と比較して少なく、その含水率は保存状態により異なるが、通常で保存の場合は含水率が8~20%である。この場合、やはり強制的に乾燥機において含水率を8~10%まで乾燥を行う。粉砕においては、上記乾燥工程を得た紙片をミル粉砕装置等により、粒径を80~100μmに粉砕することによって繊維質素材微粉末を得ることができる。
本発明に用いられるセルロース質素材微粉末は、主原料にバイオマスである農作物非食用部の使用が可能である。ここでは、もみ殻微粉末の生成方法の説明を行う。
上記(1)の製造プロセスで得られた水酸化カルシウムからなる粉末抗菌剤微粉末と、(2)の製造プロセスで得られた炭酸カルシウム微粉末、あるいは(3)(4)の製造プロセスで得られた木片(竹片を含む)及び紙(パルプ)、農作物非食用部のもみ殻等のセルロース質素材微末を樹脂に混合することにより、抗菌性を有し、なおかつ樹脂の配合割合を減らし(樹脂を減少させた分は、(2)(3)(4)の製造プロセスで得られた炭酸カルシウム微粉末や、木片(竹片を含む)及び紙(パルプ)等のセルロース質素材微粉末で補う。)、製造コストを減少させた粉末含有複合非分解性樹脂組成物を得ることができる。
前述のように、本発明に基づく粉末含有複合非生分解性樹脂組成物は、強力な抗菌性・消臭性を有し、かつ人体に対し極めて高い安全性を有しているので、既存樹脂日用品に限らず、箸、スプーン、フォーク、ナイフ、皿、トレー、カップ等の食器として用いることが最適である。
次に、本発明に基づく生物由来からなる水酸化カルシウムの抗菌・消臭効果の実証例について説明を行う。添付図面の図1(A)に(1)の製造プロセスで得られた水酸化カルシウムからなる粉末抗菌剤微粉末の抗菌効果に関する抗菌性試験(JIS-Z 1902:2015、菌液吸収法、準用)の結果を示す。
Claims (7)
- 卵殻もしくは貝殻(海産)または陸生貝殻を高温焼成し加水を施した水酸化カルシウムからなる粉末抗菌剤微粉末と、
卵殻もしくは貝殻(海産)または陸生貝殻の炭酸カルシウム微粉末と、
生分解性樹脂組成物と
を含む粉末含有複合非生分解性樹脂組成物であって、
前記水酸化カルシウム微粉末の含有量は、粉末含有複合非生分解性樹脂組成物の総質量に対して3.0質量%~7.0質量%であり、
前記炭酸カルシウム微粉末の含有量は、粉末含有複合非生分解性樹脂組成物の総質量に対して45.0質量%~52.0質量%であることを特徴とする
粉末含有複合非生分解性樹脂組成物。 - 卵殻もしくは貝殻(海産)または陸生貝殻を高温焼成し加水を施した水酸化カルシウムからなる粉末抗菌剤微粉末と、
木片または紙繊維質素材微粉末と、
生分解性樹脂組成物と
を含む粉末含有複合非生分解性樹脂組成物であって、
前記水酸化カルシウム微粉末の含有量は、粉末含有複合非生分解性樹脂組成物の総質量に対して3.0質量%~7.0質量%であり、
前記繊維質素材微粉末の含有量は、粉末含有複合非生分解性樹脂組成物の総質量に対して45.0質量%~52.0質量%であることを特徴とする
粉末含有複合非生分解性樹脂組成物。 - 卵殻もしくは貝殻(海産)または陸生貝殻を高温焼成し加水を施した水酸化カルシウムからなる粉末抗菌剤微粉末と、
農作物非食用部であるもみ殻等の繊維質素材微粉末と、
生分解性樹脂組成物と
を含む粉末含有複合非生分解性樹脂組成物であって、
前記水酸化カルシウム微粉末の含有量は、粉末含有複合非生分解性樹脂組成物の総質量に対して3.0質量%~7.0質量%であり、
前記繊維質素材微粉末の含有量は、粉末含有複合非生分解性樹脂組成物の総質量に対して45.0質量%~52.0質量%であることを特徴とする
粉末含有複合非生分解性樹脂組成物。 - 卵殻もしくは貝殻(海産)または陸生貝殻を高温焼成し加水を施した水酸化カルシウムからなる粉末抗菌剤微粉末と
卵殻もしくは貝殻(海産)または陸生貝殻の炭酸カルシウム微粉末と、
木片または紙等の繊維質素材微粉末と、
農作物非食用部であるもみ殻等の繊維質素材微粉末と、
生分解性樹脂組成物と
を含む粉末含有複合非生分解性樹脂組成物であって、
前記水酸化カルシウム微粉末の含有量は、粉末含有樹複合非生分解性脂組成物の総質量に対して3.0質量%~7.0質量%であり、
前記炭酸カルシウム微粉末の含有量は、粉末含有複合非生分解性樹脂組成物の総質量に対して45.0質量%~52.0質量%であり、
木片または紙等の繊維質素材微粉末の含有量は、粉末含有府複合非生分解性樹脂組成物の総質量に対して45.0質量%~52.0質量%であり、
農作物非食用部であるもみ殻等の繊維質素材微粉末の含有量は、粉末含有複合非生分解性樹脂組成物の総質量に対して45.0質量%~52.0質量%であることを特徴とする
粉末含有非生分解性樹脂組成物。 - 請求項1ないし請求項4の何れか一項に記載された粉末含有非生分解性樹脂組成物を用いた抗菌性箸、抗菌性スプーン、抗菌性ナイフ、抗菌性フォーク、抗菌性皿、抗菌性トレー、抗菌性カップ等の抗菌性食器及び抗菌包装資材。
- 請求項1ないし請求項4に用いられる水酸化カルシウムからなる粉末抗菌剤微粉末に代わりに酸化カルシウムの含有率を4.0質量%以下で配合していることを特徴とする
粉末含有非生分解性樹脂組成物。 - 請求項1~5において配合される素材の生分解性樹脂を熱可塑性樹脂及び熱硬化性樹脂にした
粉末含有複合非生分解性樹脂組成物。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019550102A JP7104058B2 (ja) | 2017-11-02 | 2017-11-02 | 粉末含有複合非生分解性樹脂組成物、抗菌性食器及び抗菌包装資材 |
PCT/JP2017/039794 WO2019087363A1 (ja) | 2017-11-02 | 2017-11-02 | 粉末含有複合非生分解性樹脂組成物、抗菌性食器及び抗菌包装資材 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/039794 WO2019087363A1 (ja) | 2017-11-02 | 2017-11-02 | 粉末含有複合非生分解性樹脂組成物、抗菌性食器及び抗菌包装資材 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019087363A1 true WO2019087363A1 (ja) | 2019-05-09 |
Family
ID=66333108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2017/039794 WO2019087363A1 (ja) | 2017-11-02 | 2017-11-02 | 粉末含有複合非生分解性樹脂組成物、抗菌性食器及び抗菌包装資材 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP7104058B2 (ja) |
WO (1) | WO2019087363A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020084033A (ja) * | 2018-11-26 | 2020-06-04 | Wm株式会社 | 生分解性樹脂組成物の製造方法 |
KR102544739B1 (ko) * | 2022-10-27 | 2023-06-20 | 주식회사 에쓰큐씨 | 패각 탄산칼슘을 이용한 플라스틱 조성물 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08134361A (ja) * | 1994-09-13 | 1996-05-28 | Tokuyama Corp | 複合樹脂組成物 |
JPH0959424A (ja) * | 1995-08-22 | 1997-03-04 | Tokuyama Corp | 樹脂組成物 |
JPH09194627A (ja) * | 1996-01-17 | 1997-07-29 | Chisso Corp | 熱可塑性重合体組成物 |
JPH09194628A (ja) * | 1996-01-17 | 1997-07-29 | Chisso Corp | 熱可塑性重合体組成物 |
JPH09208741A (ja) * | 1996-02-06 | 1997-08-12 | Chisso Corp | 熱可塑性重合体組成物 |
JPH09208742A (ja) * | 1996-02-06 | 1997-08-12 | Chisso Corp | 熱可塑性重合体組成物 |
JPH1148436A (ja) * | 1997-08-05 | 1999-02-23 | Shin Etsu Polymer Co Ltd | 農業用生分解性シート |
JP2006219567A (ja) * | 2005-02-09 | 2006-08-24 | Mitsui Chemicals Inc | ポリエステル樹脂組成物 |
JP2008106171A (ja) * | 2006-10-26 | 2008-05-08 | Takahashi Gensaku | 樹脂組成物 |
JP2012111923A (ja) * | 2010-11-22 | 2012-06-14 | Shigeaki Maruo | 防虫・防鳥性生分解性樹脂組成物及びその製造方法。 |
JP2013237764A (ja) * | 2012-05-14 | 2013-11-28 | Utsunomiya Univ | 多機能生分解性複合材料 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018062579A (ja) * | 2016-10-13 | 2018-04-19 | 茂明 丸尾 | 多機能性粉末含有樹脂組成物 |
-
2017
- 2017-11-02 WO PCT/JP2017/039794 patent/WO2019087363A1/ja active Application Filing
- 2017-11-02 JP JP2019550102A patent/JP7104058B2/ja active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08134361A (ja) * | 1994-09-13 | 1996-05-28 | Tokuyama Corp | 複合樹脂組成物 |
JPH0959424A (ja) * | 1995-08-22 | 1997-03-04 | Tokuyama Corp | 樹脂組成物 |
JPH09194627A (ja) * | 1996-01-17 | 1997-07-29 | Chisso Corp | 熱可塑性重合体組成物 |
JPH09194628A (ja) * | 1996-01-17 | 1997-07-29 | Chisso Corp | 熱可塑性重合体組成物 |
JPH09208741A (ja) * | 1996-02-06 | 1997-08-12 | Chisso Corp | 熱可塑性重合体組成物 |
JPH09208742A (ja) * | 1996-02-06 | 1997-08-12 | Chisso Corp | 熱可塑性重合体組成物 |
JPH1148436A (ja) * | 1997-08-05 | 1999-02-23 | Shin Etsu Polymer Co Ltd | 農業用生分解性シート |
JP2006219567A (ja) * | 2005-02-09 | 2006-08-24 | Mitsui Chemicals Inc | ポリエステル樹脂組成物 |
JP2008106171A (ja) * | 2006-10-26 | 2008-05-08 | Takahashi Gensaku | 樹脂組成物 |
JP2012111923A (ja) * | 2010-11-22 | 2012-06-14 | Shigeaki Maruo | 防虫・防鳥性生分解性樹脂組成物及びその製造方法。 |
JP2013237764A (ja) * | 2012-05-14 | 2013-11-28 | Utsunomiya Univ | 多機能生分解性複合材料 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020084033A (ja) * | 2018-11-26 | 2020-06-04 | Wm株式会社 | 生分解性樹脂組成物の製造方法 |
WO2020111072A1 (ja) * | 2018-11-26 | 2020-06-04 | Wm株式会社 | 生分解性樹脂組成物の製造方法 |
KR102544739B1 (ko) * | 2022-10-27 | 2023-06-20 | 주식회사 에쓰큐씨 | 패각 탄산칼슘을 이용한 플라스틱 조성물 |
Also Published As
Publication number | Publication date |
---|---|
JP7104058B2 (ja) | 2022-07-20 |
JPWO2019087363A1 (ja) | 2020-11-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Nilsen‐Nygaard et al. | Current status of biobased and biodegradable food packaging materials: Impact on food quality and effect of innovative processing technologies | |
WO2018070086A1 (ja) | 多機能性粉末含有樹脂組成物 | |
KR20080080317A (ko) | 2단계 소성 패각 분말로 이루어진 항곰팡이·항균제 | |
Gupta et al. | A review on biodegradable packaging films from vegetative and food waste | |
Sain | Production of bioplastics and sustainable packaging materials from rice straw to eradicate stubble burning: A Mini-Review | |
Debeaufort | Active biopackaging produced from by‐products and waste from food and marine industries | |
KR101877016B1 (ko) | 바이오매스를 함유하는 복합분해 항균성 조성물 및 이로부터 제조되는 복합분해 항균성 시트 | |
Singha et al. | Novel bioplastic from single cell protein as a potential packaging material | |
WO2019087363A1 (ja) | 粉末含有複合非生分解性樹脂組成物、抗菌性食器及び抗菌包装資材 | |
Abang et al. | Bioplastic classifications and innovations in antibacterial, antifungal, and antioxidant applications | |
KR101946143B1 (ko) | 항균성 바이오매스 시트 및 그 제조방법 | |
Bonwick et al. | Bio-based materials for use in food contact applications | |
Naskar et al. | Bionanocomposites films applied as active and smart food packaging: a review | |
Boccalon et al. | Functional bioplastics from food residual: Potentiality and safety issues | |
Siddiqui et al. | A critical review on biodegradable food packaging for meat: Materials, sustainability, regulations, and perspectives in the EU | |
KR102163944B1 (ko) | 신선도 유지 기능을 갖는 복합분해성 시트 또는 진공성형품 | |
Yin et al. | Transitioning of petroleum-based plastic food packaging to sustainable bio-based alternatives | |
US11608429B2 (en) | Disposable eggshell eco-friendly material and manufacturing method | |
KR101654410B1 (ko) | 계란을 이용한 기능성 사료 및 그 제조방법 | |
JP2014012752A (ja) | 多機能性樹脂含有紙組成物 | |
Mikus et al. | Biopolymers from agriculture waste and by-products | |
KR102167839B1 (ko) | 바이오매스 시트용 조성물 및 이를 이용한 기능성 바이오매스 시트 | |
Morais et al. | Biodegradable Bio-based Plastics Toward Climate Change Mitigation | |
KR101545288B1 (ko) | 신선도 기능이 부여된 친환경 원료 펠릿 및 이의 제조방법 | |
Bajpai et al. | Green composites for food packaging |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17930844 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2019550102 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205 DATED 28/07/2020) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 17930844 Country of ref document: EP Kind code of ref document: A1 |