KR20190072947A - Biodegradable functional plastic bag and manufacturing method thereof - Google Patents

Abstract

The present invention relates to a biodegradable functional plastic bag and a method of manufacturing the same. The biodegradable functional plastic bag is manufactured by using one or two or more biodegradable polymer resins selected from polyvinyl alcohol (PVA), polyaniline (PANI), polycarbonate (PC), polyethyleneglycol (PEG), polytrimethylene terephthalate (PTT), polyhydroxyalkanoate (PHA), polycaprolactone (PCL), poly (glycolic acid) (PGA), polyethylene oxide (PEO), poly-hydroxy butyrate (PHB), and polydioxanone (PDO). In addition, a natural functional composition is added to the biodegradable polymer resins to provide an antibacterial function, anion/far infrared radiation functionality and an aroma diffusion function of a plastic bag, thereby maintaining a clean state, providing an effect beneficial to a human body such as a blood circulation and the like, and allowing a user to maintain a pleasant feeling by diffused aroma.

Description

TECHNICAL FIELD [0001] The present invention relates to a biodegradable functional plastic bag,

The present invention relates to a polyvinyl alcohol (PVA), a polyaniline (PANI), a polycarbonate (PC), a polyethyleneglycol (PEG), a polytrimethylene terephthalate (PTT) Polyhydroxyalkanoate (PHA), polycaprolactone (PCL), poly (glycolic acid), PGA, polyethylene oxide (PEO), polyhydroxybutyrate butyrate, PHB), and polydioxanone (PDO), and a natural functional composition is added to the biodegradable polymer resin to form a vinyl resin by providing an antimicrobial, an anionic, functional and far-infrared radiation toward radiating function of the envelope was held to give a clean, also beneficial effects on the human body, such as blood circulation It provides and relates to a functional biodegradable plastic bag and a method that enable the refreshing of the radiating direction can be maintained.

'Wrapping paper for fresh food distribution' of Korea Public Utility Model 20-2010-0009348 (Published date 2010.09.28); 'Antibacterial vinyl and its preparation method' of Korean Patent Publication No. 10-2004-0037603 (published date 2004.05.07); 'Anti-bacterial vacuum baby zipper bag' of Korean Patent Laid-Open No. 10-2016-0121935 (published on October 20, 2016); And a method for manufacturing a natural vinyl sanitary ware using the name of the beginning of the month of Korean Registered Patent No. 10-1714762 (Registration Date: 2017.03.03).

Although the disclosed utility model, patent and registered patent are included in the technical field similar to that of the present invention, the biodegradable natural functional composition to be proposed in the present invention is added so that the antibacterial function, blood circulation by anion- It is difficult to provide a biodegradable functional plastic bag capable of giving a refreshing feeling due to its function and incense dissipation.

The present inventors have found that by producing a plastic bag using a biodegradable polymer resin and a natural functional composition, it is possible to enhance the satisfaction of the consumer by providing a natural circulation function, an antimicrobial function, a blood circulation function by anion and far- Functional biodegradable plastic bag and a method for producing the same.

Korea public utility model 20-2010-0009348 (public date 2010.09.28) Korean Patent Publication No. 10-2004-0037603 (published date 2004.05.07) Korean Patent Laid-Open No. 10-2016-0121935 (Publication date October 20, 2016) Korean Registered Patent No. 10-1714762 (Registration date: 2013.03.03)

The present invention can enhance the satisfaction of consumers by providing a natural environment-friendly, blood-circulating function and an antiseptic function by an antimicrobial function, anion and far-infrared radiation function by producing a plastic bag using a biodegradable polymer resin and a natural functional composition And a method for producing the same. The present invention provides a biodegradable functional plastic bag and a method for producing the same.

In order to achieve the above object,

The present invention relates to a polyvinyl alcohol (PVA), a polyaniline (PANI), a polycarbonate (PC), a polyethyleneglycol (PEG), a polytrimethylene terephthalate (PTT) Polyhydroxyalkanoate (PHA), polycaprolactone (PCL), poly (glycolic acid), PGA, polyethylene oxide (PEO), polyhydroxybutyrate 90 to 99% by weight of one or more biodegradable polymer resins (A) selected from among butyrate, butyrate (PHB) and polydioxanone (PDO)

1 to 10 wt% of the natural functional composition (B) is blended into a pellet, the pellet is extruded and molded into an envelope,

The natural functional composition (B)

Propolis and 70% ethanol at a weight ratio of 1: 5 to 10, and then extracted at 20 to 80 ° C for 5 to 7 hours. The obtained extract was lyophilized at -65 to -75 ° C and then pulverized to obtain powder Propolis extract 5 ~ 50 wt%; The omija seed powder obtained by pulverizing omija seeds with a blender is immersed in 95% ethanol and dipped in a ratio of 1: 5 to 10: 10 to extract for 20 to 30 hours to obtain an extract. The extract is dried at 2,500 to 3,000 rpm for 2 to 3 After centrifugation for 5 minutes, the supernatant was filtered using filter paper (Whatman No.2 filter paper), and the filtered extract was lyophilized at -65 to -75 ° C and pulverized to obtain powdered 5 ~ 50 wt%; Ginger leaf and pine leaf were mixed at the same weight ratio. The leaf mixture was immersed in 60% ethanol, immersed in a ratio of 1: 5 to 10, and extracted at 55 to 65 ° C under agitation at 75 to 85 rpm for 8 to 12 hours The resulting extract was centrifuged at 3,000 to 4,000 rpm for 10 to 30 minutes. The supernatant was filtered using filter paper (Whatman No. 2 filter paper) 5 to 50 wt% of a natural leaf extract prepared by pulverization after lyophilization at 75 캜; The mixture of gold and 95% ethanol was mixed at a weight ratio of 1: 5 to 10, and the mixture was repeatedly extracted three times with shaking at 130 to 180 rpm for 20 to 30 hours at room temperature using a shaker. The extracted extract was centrifuged at 3,000 to 4,000 rpm After centrifugation for 10 to 30 minutes, the supernatant was filtered using filter paper (Whatman No.2 filter paper), and the filtered extract was lyophilized at -65 to -75 ° C and pulverized to give a golden extract 40 to 59 wt% of an antibacterial extract (b1) of 100 wt% composed of 5 to 50 wt% of a mixture,

ocher; charcoal; germanium; silver; 40 to 59 wt% of an anion / far - infrared radiation composition (b2)

The chloroform solution was prepared by dissolving PBS (poly (butylenesuccinate)) in chloroform to prepare an aqueous solution of chloroform of 7 to 10%, adding a flavor to the aqueous chloroform solution, The mixture was stirred at 1,000 to 1,500 rpm and added with an emulsifier PVA (poly (vinylalcohol)). The mixture was stirred at 200 to 400 rpm for 10 to 15 hours to prepare a molded product. The molded product was dried at room temperature to prepare a fragrant powder ) Of 0.1 to 2.0 wt% based on the total weight of the biodegradable functional plastic bag.

As a method of producing the biodegradable functional plastic bag,

Polyvinyl alcohol (PVA), polyaniline (PANI), polycarbonate (PC), polyethyleneglycol (PEG), polytrimethylene terephthalate (PTT), polyhydroxyalkano Polyhydroxyalkanoate (PHA), Polycaprolactone (PCL), Polyglycolic acid, PGA, Polyethylene oxide (PEO), Poly-hydroxy butyrate (PHB 90 to 99 wt.% Of one or more biodegradable polymer resins (A) selected from the group consisting of polydioxanone (PDO) and polydioxanone (PDO); Preparing a first pellet using a first mixture composed of (A + B) 1 to 10 wt% of a natural functional composition (B)

Polyvinyl alcohol (PVA), polyaniline (PANI), polycarbonate (PC), polyethyleneglycol (PEG), polytrimethylene terephthalate (PTT), polyhydroxyalkano Polyhydroxyalkanoate (PHA), Polycaprolactone (PCL), Polyglycolic acid, PGA, Polyethylene oxide (PEO), Poly-hydroxy butyrate (PHB Preparing a second pellet using any one or two or more biodegradable polymer resins selected from polydioxanone (PDO) and polydioxanone (PDO)

And extruding the second mixture composed of the first pellet and the second pellet to form a plastic bag.

The biodegradable functional plastic bag according to the present invention and its manufacturing method have the following effects.

first. The biodegradable functional plastic bag according to the present invention is capable of completely biodegrading the polymer material to water, carbon dioxide, and biomass by the decomposition action of water, microorganisms and enzymes.

second. It is excellent in antibacterial function and can maintain a clean state.

third. It has excellent health functionalities such as improvement of blood circulation by anion and far - infrared radiation function.

fourth. Provides freshness when carrying by incense.

Hereinafter, the biodegradable functional plastic bag according to the present invention and its manufacturing method will be described in detail.

As described above,

In the biodegradable functional plastic bag according to the present invention,

Polyvinyl alcohol (PVA), polyaniline (PANI), polycarbonate (PC), polyethyleneglycol (PEG), polytrimethylene terephthalate (PTT), polyhydroxyalkano Polyhydroxyalkanoate (PHA), Polycaprolactone (PCL), Polyglycolic acid, PGA, Polyethylene oxide (PEO), Poly-hydroxy butyrate (PHB ) And at least one biodegradable polymer resin (A) selected from polydioxanone (PDO) (90 to 99 wt%),

1 to 10 wt% of the natural functional composition (B) is mixed into a pellet, and the pellet is extruded and molded into an envelope.

If the addition amount of the natural functional composition (B) is less than 1 wt%, the effect of the natural functional composition is insignificant. If the addition amount exceeds 10 wt%, the physical properties of the plastic bag may be deteriorated. The amount of the composition (B) is preferably limited within a range of 1 to 10 wt% with respect to the total weight of the envelope.

Specific blending ratios of the biodegradable polymer resin (A) and the natural functional composition (B) are 95 wt% of the biodegradable polymer resin (A) and 5 wt% of the natural functional composition (B).

The natural functional composition (B) is prepared by mixing propolis and 70% ethanol at a weight ratio of 1: 5 to 10, and then extracting the extract at 20 to 80 ° C for 5 to 7 hours. 5 to 50 wt% propolis extract prepared by drying and pulverizing to powder;

The omija seed powder obtained by pulverizing omija seeds with a blender is immersed in 95% ethanol and dipped in a ratio of 1: 5 to 10: 10 to extract for 20 to 30 hours to obtain an extract. The extract is dried at 2,500 to 3,000 rpm for 2 to 3 After centrifugation for 5 minutes, the supernatant was filtered using filter paper (Whatman No.2 filter paper), and the filtered extract was lyophilized at -65 to -75 ° C and pulverized to obtain powdered 5 ~ 50 wt%;

Ginger leaf and pine leaf were mixed at the same weight ratio. The leaf mixture was immersed in 60% ethanol, immersed in a ratio of 1: 5 to 10, and extracted at 55 to 65 ° C under agitation at 75 to 85 rpm for 8 to 12 hours The resulting extract was centrifuged at 3,000 to 4,000 rpm for 10 to 30 minutes. The supernatant was filtered using filter paper (Whatman No. 2 filter paper) 5 to 50 wt% of a natural leaf extract prepared by pulverization after lyophilization at 75 캜;

The mixture of gold and 95% ethanol was mixed at a weight ratio of 1: 5 to 10, and the mixture was repeatedly extracted three times with shaking at 130 to 180 rpm for 20 to 30 hours at room temperature using a shaker. The extracted extract was centrifuged at 3,000 to 4,000 rpm After centrifugation for 10 to 30 minutes, the supernatant was filtered using filter paper (Whatman No.2 filter paper), and the filtered extract was lyophilized at -65 to -75 ° C and pulverized to give a golden extract An antibacterial extract (b1) composed of 5 to 50 wt% of a mixture,

ocher; charcoal; germanium; silver; Anion and far - infrared radiation composition (b2) composed of a mixture of anion and far-

The chloroform solution was prepared by dissolving PBS (poly (butylenesuccinate)) in chloroform to prepare an aqueous solution of chloroform of 7 to 10%, adding a flavor to the aqueous chloroform solution, The mixture was stirred at 1,000 to 1,500 rpm and added with an emulsifier PVA (poly (vinylalcohol)). The mixture was stirred at 200 to 400 rpm for 10 to 15 hours to prepare a molded product. The molded product was dried at room temperature to prepare a fragrant powder ) Is used.

At this time, the natural functional composition (B) contains 40 to 59 wt% of the antibacterial extract (b1); Anion / far-infrared radiation composition (b2) 40 to 59 wt%; And 0.1 to 2.0 wt% of a fragrant powder (b3).

More specifically, 49% by weight of the antibacterial extract (b1); Anion / far-infrared radiation composition (b2) 50 wt%; And 1 wt% of a fragrance powder (b3).

The anionic / far - infrared radiation composition (b2) comprises 10 to 30 wt% of loess; Charcoal 10 ~ 30 wt%; Germanium 10-30 wt%; 10 to 30 wt%; 10 to 30 wt% of jade;

More specifically, 20 wt% of loess; Charcoal 20 wt%; Germanium 20 wt%; 20 wt%; And 20 wt% of jade are used.

The fragrant powder was prepared by dissolving poly (butylenesuccinate) in chloroform to prepare an aqueous solution of 7 to 10% chloroform, adding a flavor to the aqueous solution of chloroform to prepare 2 The mixture was stirred at 1,000 to 1,500 rpm for 5 minutes, added with an emulsifier PVA (poly (vinylalcohol)), stirred at 200 to 400 rpm for 10 to 15 hours to prepare a molded product, and the molded product was dried at room temperature to obtain a powder As such,

Here, the fragrance is herb aroma of Rosmary or Lavender; Flora of Jasmine, Acasis, Freesia, Lily and Vanilla; Cypress, Cdearwood, Pine tree fragrance; Citrus of Grapefuit; Citrus; Cinnamon, Spicy flavor of Nutmeg; Fruit flavor of cranberry; Musk aroma of Ambrette seed; Sweet aroma of Star anise or Benzoin; Or one or more selected from among them.

The antibacterial extract (b1) and the anionic / far - infrared radiation composition (b2) have an average diameter of 5 to 10 mu m. This takes into account the roughness of the surface of the film, and if the average diameter exceeds 10 탆, the roughness of the film surface becomes large, and the product value of the plastic bag decreases. Therefore, it is preferable to keep the average diameter of the powder within a range of 5 to 10 mu m.

Hereinafter, a method for producing a biodegradable functional plastic bag according to the present invention will be described.

Polyvinyl alcohol (PVA), polyaniline (PANI), polycarbonate (PC), polyethyleneglycol (PEG), polytrimethylene terephthalate (PTT), polyhydroxyalkano Polyhydroxyalkanoate (PHA), Polycaprolactone (PCL), Polyglycolic acid, PGA, Polyethylene oxide (PEO), Poly-hydroxy butyrate (PHB 90 to 99 wt.% Of one or more biodegradable polymer resins (A) selected from the group consisting of polydioxanone (PDO) and polydioxanone (PDO); Preparing a first pellet using a first mixture composed of (A + B) 1 to 10 wt% of a natural functional composition (B)

Polyvinyl alcohol (PVA), polyaniline (PANI), polycarbonate (PC), polyethyleneglycol (PEG), polytrimethylene terephthalate (PTT), polyhydroxyalkano Polyhydroxyalkanoate (PHA), Polycaprolactone (PCL), Polyglycolic acid, PGA, Polyethylene oxide (PEO), Poly-hydroxy butyrate (PHB Preparing a second pellet using any one or two or more biodegradable polymer resins selected from polydioxanone (PDO) and polydioxanone (PDO)

And extruding a second mixture formed by mixing the first pellet and the second pellet into a plastic bag.

The first pellet and the second pellet were prepared by blending a first mixture or a biodegradable polymer in a blender at 130 to 150 ° C for 10 to 30 hours and then passing the mixture through a rotary roll Cooling, and chilling again into pellets.

As described above, the plastic bag is produced by preparing the first pellet by the first mixture, preparing the second pellet by using the biodegradable polymer, mixing the first pellet and the second pellet to form the second mixture Next, the second mixture is molded by extrusion.

Wherein the second mixture comprises a mixture of 40 to 60 wt% of the first pellet and 40 to 60 wt% of the second pellet, more specifically a mixture of 50 wt% of the first pellet and 50 wt% of the second pellet do.

As described above, the natural functional composition (B)

Propolis extract; Omija seed extract; Natural leaf extract of ginger tree leaves and pine needles; 40 ~ 59 wt% of antimicrobial extract (b1)

ocher; charcoal; germanium; silver; 40 to 59 wt% of an anion / far - infrared radiation composition (b2)

The chloroform solution was prepared by dissolving PBS (poly (butylenesuccinate)) in chloroform to prepare an aqueous solution of chloroform of 7 to 10%, adding a flavor to the aqueous chloroform solution, The mixture was stirred at 1,000 to 1,500 rpm and added with an emulsifier PVA (poly (vinylalcohol)). The mixture was stirred at 200 to 400 rpm for 10 to 15 hours to prepare a molded product. The molded product was dried at room temperature to prepare a fragrant powder ) Of 0.1 to 2.0 wt%.

The biodegradable functional plastic bag according to the present invention can be completely biodegraded by water, carbon dioxide and biomass due to decomposition of water, microorganisms and enzymes, and can maintain a clean state because of its excellent antibacterial function, It has excellent health functionalities such as improvement of blood circulation by anion and far - infrared ray radiation function, and provides refreshing by carrying out incense dispersion, thereby increasing the satisfaction of consumers.

Claims (7)

Polyvinyl alcohol (PVA), polyaniline (PANI), polycarbonate (PC), polyethyleneglycol (PEG), polytrimethylene terephthalate (PTT), polyhydroxyalkano Polyhydroxyalkanoate (PHA), Polycaprolactone (PCL), Polyglycolic acid, PGA, Polyethylene oxide (PEO), Poly-hydroxy butyrate (PHB ) And at least one biodegradable polymer resin (A) selected from polydioxanone (PDO) (90 to 99 wt%),
1 to 10 wt% of the natural functional composition (B) is blended into a pellet, the pellet is extruded and molded into an envelope,
The natural functional composition (B)
Propolis and 70% ethanol at a weight ratio of 1: 5 to 10, and then extracted at 20 to 80 ° C for 5 to 7 hours. The obtained extract was lyophilized at -65 to -75 ° C and then pulverized to obtain powder Propolis extract 5 ~ 50 wt%; The omija seed powder obtained by pulverizing omija seeds with a blender is immersed in 95% ethanol and dipped in a ratio of 1: 5 to 10: 10 to extract for 20 to 30 hours to obtain an extract. The extract is dried at 2,500 to 3,000 rpm for 2 to 3 After centrifugation for 5 minutes, the supernatant was filtered using filter paper (Whatman No.2 filter paper), and the filtered extract was lyophilized at -65 to -75 ° C and pulverized to obtain powdered 5 ~ 50 wt%; Ginger leaf and pine leaf were mixed at the same weight ratio. The leaf mixture was immersed in 60% ethanol, immersed in a ratio of 1: 5 to 10, and extracted at 55 to 65 ° C under agitation at 75 to 85 rpm for 8 to 12 hours The resulting extract was centrifuged at 3,000 to 4,000 rpm for 10 to 30 minutes. The supernatant was filtered using filter paper (Whatman No. 2 filter paper) 5 to 50 wt% of a natural leaf extract prepared by pulverization after lyophilization at 75 캜; The mixture of gold and 95% ethanol was mixed at a weight ratio of 1: 5 to 10, and the mixture was repeatedly extracted three times with shaking at 130 to 180 rpm for 20 to 30 hours at room temperature using a shaker. The extracted extract was centrifuged at 3,000 to 4,000 rpm After centrifugation for 10 to 30 minutes, the supernatant was filtered using filter paper (Whatman No.2 filter paper), and the filtered extract was lyophilized at -65 to -75 ° C and pulverized to give a golden extract 40 to 59 wt% of an antibacterial extract (b1) of 100 wt% composed of 5 to 50 wt% of a mixture,
ocher; charcoal; germanium; silver; 40 to 59 wt% of an anion / far - infrared radiation composition (b2)
The chloroform solution was prepared by dissolving PBS (poly (butylenesuccinate)) in chloroform to prepare an aqueous solution of chloroform of 7 to 10%, adding a flavor to the aqueous chloroform solution, The mixture was stirred at 1,000 to 1,500 rpm and added with an emulsifier PVA (poly (vinylalcohol)). The mixture was stirred at 200 to 400 rpm for 10 to 15 hours to prepare a molded product. The molded product was dried at room temperature to prepare a fragrant powder ) Of 0.1 to 2.0 wt%, based on the weight of the biodegradable functional plastic bag.
The method according to claim 1,
The anionic / far - infrared radiation composition (b2) is 10-30 wt% of loess; Charcoal 10 ~ 30 wt%; Germanium 10-30 wt%; 10 to 30 wt%; And 10 to 30 wt% of jade.
The method according to claim 1,
Wherein the antibacterial extract (b1) and the anionic / far - infrared radiation composition (b2) have an average diameter of 5 to 10 占 퐉.
The method according to claim 1,
The fragrance of the fragrance powder (b3) is herb aroma of Rosmary or Lavender; Flora of Jasmine, Acasis, Freesia, Lily and Vanilla; Cypress, Cdearwood, Pine tree fragrance; Citrus of Grapefuit; Citrus; Cinnamon, Spicy flavor of Nutmeg; Fruit flavor of cranberry; Musk aroma of Ambrette seed; Sweet aroma of Star anise or Benzoin; Wherein the biodegradable functional plastic bag is one or more selected from the group consisting of a biodegradable plastic bag and a biodegradable plastic bag.
Polyvinyl alcohol (PVA), polyaniline (PANI), polycarbonate (PC), polyethyleneglycol (PEG), polytrimethylene terephthalate (PTT), polyhydroxyalkano Polyhydroxyalkanoate (PHA), Polycaprolactone (PCL), Polyglycolic acid, PGA, Polyethylene oxide (PEO), Poly-hydroxy butyrate (PHB 90 to 99 wt.% Of one or more biodegradable polymer resins (A) selected from the group consisting of polydioxanone (PDO) and polydioxanone (PDO); Preparing a first pellet using a first mixture composed of (A + B) 1 to 10 wt% of a natural functional composition (B)
Polyvinyl alcohol (PVA), polyaniline (PANI), polycarbonate (PC), polyethyleneglycol (PEG), polytrimethylene terephthalate (PTT), polyhydroxyalkano Polyhydroxyalkanoate (PHA), Polycaprolactone (PCL), Polyglycolic acid, PGA, Polyethylene oxide (PEO), Poly-hydroxy butyrate (PHB Preparing a second pellet using any one or two or more biodegradable polymer resins selected from polydioxanone (PDO) and polydioxanone (PDO)
And molding the second mixture formed by mixing the first pellet and the second pellet into a plastic bag by extruding the second mixture.
The method of claim 5,
The natural functional composition (B)
Propolis extract; Omija seed extract; Natural leaf extract of ginger tree leaves and pine needles; 40 ~ 59 wt% of antimicrobial extract (b1)
ocher; charcoal; germanium; silver; 40 to 59 wt% of an anion / far - infrared radiation composition (b2)
The chloroform solution was prepared by dissolving PBS (poly (butylenesuccinate)) in chloroform to prepare an aqueous solution of chloroform of 7 to 10%, adding a flavor to the aqueous chloroform solution, The mixture was stirred at 1,000 to 1,500 rpm and added with an emulsifier PVA (poly (vinylalcohol)). The mixture was stirred at 200 to 400 rpm for 10 to 15 hours to prepare a molded product. The molded product was dried at room temperature to prepare a fragrant powder ) 0.1 to 2.0 wt% based on the weight of the biodegradable functional plastic bag.
The method according to claim 1,
Wherein the second mixture is composed of a mixture of 40 to 60 wt% of the first pellet and 40 to 60 wt% of the second pellet.