WO2021101094A1 - Sac en plastique écologique utilisant des algues et une matière première végétale et son procédé de fabrication - Google Patents

Sac en plastique écologique utilisant des algues et une matière première végétale et son procédé de fabrication Download PDF

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Publication number
WO2021101094A1
WO2021101094A1 PCT/KR2020/014603 KR2020014603W WO2021101094A1 WO 2021101094 A1 WO2021101094 A1 WO 2021101094A1 KR 2020014603 W KR2020014603 W KR 2020014603W WO 2021101094 A1 WO2021101094 A1 WO 2021101094A1
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WO
WIPO (PCT)
Prior art keywords
seaweed
plastic bag
raw materials
vegetable raw
cassava
Prior art date
Application number
PCT/KR2020/014603
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English (en)
Korean (ko)
Inventor
차완영
Original Assignee
주식회사 마린이노베이션
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020190148969A external-priority patent/KR20210061132A/ko
Priority claimed from KR1020190148970A external-priority patent/KR102321938B1/ko
Application filed by 주식회사 마린이노베이션 filed Critical 주식회사 마린이노베이션
Publication of WO2021101094A1 publication Critical patent/WO2021101094A1/fr

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    • 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
    • B29C48/28—Storing of extruded material, e.g. by winding up or stacking
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • 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
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • 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
    • C08K3/02—Elements
    • C08K3/08—Metals
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • C08L101/16—Compositions of unspecified macromolecular compounds the macromolecular compounds being biodegradable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02—Starch; Degradation products thereof, e.g. dextrin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L99/00—Compositions of natural macromolecular compounds or of derivatives thereof not provided for in groups C08L89/00 - C08L97/00

Definitions

  • the present invention relates to an eco-friendly plastic bag using seaweed and vegetable raw materials and a method of manufacturing the same.
  • plastic bags are in the form of a thin and transparent film, and are lightweight and have excellent durability, chemical resistance, and mechanical properties, so that they are used for industrial use (for example, packaging, waterproofing, etc.), for agricultural use (for example, heat retention and promotion of crops, etc.), It is widely used for everyday life (for example, various bags), and has established itself as a necessity for daily use that is very frequently used around our lives.
  • An object of the present invention is to provide an environmentally friendly plastic bag having a certain mechanical strength and biodegradability by using only eco-friendly raw materials for seaweed and cassava, and a method for manufacturing the same.
  • the present invention is characterized in that a mixture formed by mixing a biodegradable polymer resin, seaweed and cassava is prepared into pellets, and the pellets are extruded to form a bag, using seaweed and vegetable raw materials. Provide plastic bags.
  • the present invention comprises the steps of preparing a biodegradable polymer resin, seaweed and cassava (a);
  • Mixing step (b) containing and mixing seaweed, cassava, and polymer resin to form a mixture
  • the dried mixture is extruded through a die and passed through a blown part to
  • Extrusion molding step (d) molded into a tubular shape
  • a processing step (f) of cutting and punching according to a general standard while rewinding the wound fabric It provides a plastic bag manufacturing method using seaweed and vegetable raw materials, characterized in that it comprises a.
  • the plastic bag made of a mixture of biodegradable polymer resin, seaweed and cassava according to the present invention has a certain mechanical strength by using 100% eco-friendly raw materials than conventional plastic bags, and is eco-friendly by biodegradation in nature. It works.
  • FIG. 1 is a view showing the mechanical properties results of a plastic bag manufactured using seaweed and cassava according to the present invention.
  • Figure 2 is a view showing a plastic bag manufacturing method using seaweed and cassava according to the present invention.
  • FIG. 3 is a view showing an apparatus for manufacturing a plastic bag using seaweed and cassava according to the present invention.
  • a plastic bag made of a mixture of biodegradable polymer resin, seaweed, and cassava has a certain mechanical strength by using 100% eco-friendly raw materials than conventional plastic bags, and is biodegradable in natural conditions, thereby providing an eco-friendly effect. It was found that the present invention was completed.
  • a plastic bag using seaweed and vegetable raw materials characterized in that a mixture formed by mixing a biodegradable polymer resin, seaweed and cassava is prepared into pellets, and the pellets are extruded into a bag. to provide.
  • the seaweed and cassava may be extracts, but are not limited thereto.
  • the seaweed is characterized in that it is one or more seaweeds selected from the group consisting of greenery, laver, tot, kelp, seaweed, kushiraegi, gambling, agara, hatban, auditory, cheongtae, maesaengi, and large silkworm, and the plastic bag is loess, It may further include an anion and a far-infrared radiation material selected from the group consisting of charcoal, germanium, silver and jade.
  • the plastic bag manufactured according to the present invention can be completely biodegraded into water, carbon dioxide, and biomass by decomposition of water, microorganisms and enzymes, and health such as improvement of blood circulation by the function of radiation of negative ions and far-infrared rays. It can have an effect with excellent functionality.
  • the biodegradable polymer is polyvinyl alcohol, polyhydroxyalkanoate, polycaprolactone, polyglycolic acid, polyethylene oxide, polyaniline, polycarbonate, polyethylene glycol, polytrimethylene terephthalate, polyhydroxybutyrate and poly It is characterized in that it is one or more polymers selected from the group consisting of dioxanone, but can be used without limitation as long as it is a biodegradable polymer used to manufacture a plastic bag.
  • the seaweed and cassava may be extracts, but are not limited thereto.
  • the biodegradable polymer is polyvinyl alcohol, polyhydroxyalkanoate, polycaprolactone, polyglycolic acid, polyethylene oxide, polyaniline, polycarbonate, polyethylene glycol, polytrimethylene terephthalate, polyhydroxybutyrate and poly It is characterized in that it is one or more polymers selected from the group consisting of dioxanone, but can be used without limitation as long as it is a biodegradable polymer used to manufacture a plastic bag.
  • the moisture removal step is characterized in that the drying at a temperature of 80 ⁇ 110 °C
  • the extrusion is characterized in that carried out at 50 ⁇ 60 rpm at a temperature of 160 ⁇ 200 °C.
  • the seaweed is characterized in that it is one or more seaweeds selected from the group consisting of greenery, laver, tot, kelp, seaweed, kushiraegi, gambling, agara, hatban, auditory, cheongtae, maesaengi, and large silkworm, and the plastic bag is loess, It may further include an anion and a far-infrared radiation material selected from the group consisting of charcoal, germanium, silver and jade.
  • the plastic bag manufactured according to the present invention can be completely biodegraded into water, carbon dioxide, and biomass by decomposition of water, microorganisms and enzymes, and health such as improvement of blood circulation by the function of radiation of negative ions and far-infrared rays. It can have an effect with excellent functionality.
  • the method of manufacturing a plastic bag according to the present invention is an extrusion method, and the extrusion method is manufactured by pulling a tube-shaped cylindrical film upward through a circular die of molten resin, and at this time, the tube-shaped cylindrical film
  • the inside of the tube can increase the thickness and productivity of the film while blowing air at a certain temperature and pressure. If it is pulled out at a high speed to improve productivity, a fine scratch may occur on the surface of the tube-shaped cylindrical film.
  • the width of the tube-shaped cylindrical film drawn out from the circular dies is determined by injecting air, and the width is determined by pulling it up to the top for cooling for curing.
  • a cooling tower is provided, and the tube-shaped cylindrical film spanning the cooling tower is wound to a desired length through a winding line installed on the ground.
  • the temperature in the barrel of the extruder for melting raw materials is set to 160 ⁇ 200°C, the screw speed for extrusion is maintained at 50 ⁇ 60 rpm, and the extruder dies are sheared to remove impurities from the molten raw materials.
  • the multi-layer screen mesh which is integrally formed with the device, is detachably mounted to allow extrusion molding to be performed.
  • the manufacturing equipment includes a blender that mixes raw materials for plastic bags, a dryer for removing moisture from the raw materials blended in the blender, and the raw materials dried in the dryer are supplied to the hopper and injected into the cylinder, and then the raw materials are supplied to the molding mold by means of a screw. It includes a tube raw material supply device.
  • the molding mold is equipped with a mold (die) that guides the raw material in the shape of a circular tube, and the nip roll that guides the tube to be positioned in the center and the fabric that has passed through the nip roll is guided to the take-up roller by the guide rollers, and the fabric is wound and stored.
  • the finished vinyl fabric is wound on the take-up roller and is moved to the post-process where the cutter is installed, cut and fused according to the specified size, and then cut and punched to complete the production of the wound plastic bag.
  • the dried mixture is supplied through an extruder hopper and injected into a melt extruder at a temperature of 160 ⁇ 200°C and then pressed into a mold (die) by a screw installed inside the extruder melted into a gel-like liquid form. .
  • the molten resin in the mandrel is expanded and continuously molded into a tube-shaped cylindrical film and moved upward.
  • the molded film passes through a pair of nip rolls and is compressed according to the passing speed to control the thickness, and is transformed into a thin-thick sheet with the front and rear surfaces superimposed, and then moved by a plurality of guide rollers.
  • Green laver, laver, tot, kelp, and cassava were washed with water to remove foreign substances, and then dried.
  • the dried product was pulverized to an appropriate size, and 10 g was put into an extraction container, and then 500 mL of ethanol (95%) was added, followed by cooling extraction under reflux, and filtration to obtain an extract. The extraction process was repeated 3 times.
  • the resin was extruded through a 1m diameter die at a rotational speed of 50 rpm, and the extruded resin was extruded into a tube-shaped cylinder through a blown portion supplied with air.
  • the extrusion-molded product was cooled to room temperature, and rolled up by a nip roll to recover the fabric.
  • the wound fabric is fused at regular intervals while rewinding to form a fusion line, and at the same time, the film is cut adjacent to the fusion line to obtain a square plastic bag with one side open, and the plastic bag is fitted with a double-edged handle, ring ring, etc. It was manufactured into a biodegradable plastic bag with a thickness of 20 ⁇ m through a processing step of cutting to meet the general standard, cutting and punching.
  • Example 1 a general plastic bag was prepared from polyethylene (PE), which is a compatible plastic bag composition, without mixing green laver, laver, tot, kelp, and cassava extracts.
  • PE polyethylene
  • Tensile strength was measured by the test method of KS M 3509, and tear strength was measured at a tensile speed of 500 mm/min at a temperature of 23°C and a relative humidity of 50% using a universal testing machine using a test method of KS M3509. was measured by the method of KS M ISO1798.
  • a 20 ⁇ m plastic bag was tested by the method of reducing the weight of the sample through soil reclamation for 1 month.
  • the biodegradation rate was measured by collecting samples based on a predetermined period after embedding, removing foreign substances from the sample with water and alcohol, and dividing the weight after embedding by the weight before embedding. At this time, the reclamation was carried out to a depth of 30 cm in which aerobic and anaerobic microorganisms can coexist in nearby hills.
  • Example 1 The plastic bags obtained according to Example 1 and Comparative Example 1 were tested for mechanical properties such as tensile strength, tear strength, and elongation using a universal testing machine, and the results are shown in Table 1 below.
  • the biodegradable plastic bag (Example 1) prepared by adding seaweed (green laver, seaweed, tot, kelp) and cassava extract was made of 100% eco-friendly raw materials, seaweed (green, seaweed, tot, kelp) Kelp) and cassava extract are not added, and mechanical properties (tensile strength, tear strength, elongation) are somewhat lower than that of a general plastic bag (Comparative Example 1) manufactured using PE, but a certain mechanical strength because it is used as a plastic bag. Is shown.

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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)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Wrappers (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

La présente invention concerne un sac en plastique écologique utilisant des algues et une matière première végétale et son procédé de fabrication. Un sac en plastique selon la présente invention, qui est fabriqué à partir d'un mélange formé par mélange d'une résine polymère biodégradable, d'algues et de manioc, a une résistance mécanique constante en utilisant 100 % de matières premières écologiques par comparaison avec un sac en plastique général classique, et a un effet écologique dû à sa bio-dégradation dans la nature. La présente invention concerne un sac en plastique utilisant des algues et une matière première végétale et son procédé de fabrication, un mélange formé par mélange d'une résine polymère biodégradable, d'algues et de manioc étant préparé sous forme de pastilles et les pastilles étant extrudées et moulées pour obtenir un sac.
PCT/KR2020/014603 2019-11-19 2020-10-23 Sac en plastique écologique utilisant des algues et une matière première végétale et son procédé de fabrication WO2021101094A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2019-0148970 2019-11-19
KR10-2019-0148969 2019-11-19
KR1020190148969A KR20210061132A (ko) 2019-11-19 2019-11-19 해조류와 식물성원료를 이용한 친환경 비닐봉투의 제조
KR1020190148970A KR102321938B1 (ko) 2019-11-19 2019-11-19 해조류와 식물성원료를 이용한 친환경 비닐봉투의 제조방법

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WO2021101094A1 true WO2021101094A1 (fr) 2021-05-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023083253A1 (fr) * 2021-11-11 2023-05-19 Nano And Advanced Materials Institute Limited Matériaux extrudables en une composition biodégradable et procédé d'extrusion associé
US11939724B2 (en) 2021-11-05 2024-03-26 Sway Innovation Co. Compostable seaweed-based compositions, and associated systems and methods

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02130119A (ja) * 1988-11-11 1990-05-18 Fuji Photo Film Co Ltd 積層フィルム及びその製造方法
JP2009506199A (ja) * 2005-08-31 2009-02-12 ガラ・インダストリーズ・インコーポレイテッド 生物材料合成物を造粒する方法および装置
KR20120023624A (ko) * 2009-04-28 2012-03-13 킴벌리-클라크 월드와이드, 인크. 열가소성 물품을 위한 조류 혼합 조성물
KR20180023037A (ko) * 2009-12-31 2018-03-06 킴벌리-클라크 월드와이드, 인크. 천연 바이오폴리머 열가소성 필름
KR20190072947A (ko) * 2017-12-18 2019-06-26 김영삼 생분해 기능성 비닐봉투 및 이의 제조방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02130119A (ja) * 1988-11-11 1990-05-18 Fuji Photo Film Co Ltd 積層フィルム及びその製造方法
JP2009506199A (ja) * 2005-08-31 2009-02-12 ガラ・インダストリーズ・インコーポレイテッド 生物材料合成物を造粒する方法および装置
KR20120023624A (ko) * 2009-04-28 2012-03-13 킴벌리-클라크 월드와이드, 인크. 열가소성 물품을 위한 조류 혼합 조성물
KR20180023037A (ko) * 2009-12-31 2018-03-06 킴벌리-클라크 월드와이드, 인크. 천연 바이오폴리머 열가소성 필름
KR20190072947A (ko) * 2017-12-18 2019-06-26 김영삼 생분해 기능성 비닐봉투 및 이의 제조방법

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11939724B2 (en) 2021-11-05 2024-03-26 Sway Innovation Co. Compostable seaweed-based compositions, and associated systems and methods
US12049729B2 (en) 2021-11-05 2024-07-30 Sway Innovation Co. Compostable seaweed-based compositions, and associated systems and methods
WO2023083253A1 (fr) * 2021-11-11 2023-05-19 Nano And Advanced Materials Institute Limited Matériaux extrudables en une composition biodégradable et procédé d'extrusion associé

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