CN109054316A - Ecological environment-friendly packaging material and preparation method thereof - Google Patents
Ecological environment-friendly packaging material and preparation method thereof Download PDFInfo
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- CN109054316A CN109054316A CN201810580382.8A CN201810580382A CN109054316A CN 109054316 A CN109054316 A CN 109054316A CN 201810580382 A CN201810580382 A CN 201810580382A CN 109054316 A CN109054316 A CN 109054316A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000005022 packaging material Substances 0.000 title claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 27
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 20
- 239000004626 polylactic acid Substances 0.000 claims abstract description 20
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 19
- JGFBRKRYDCGYKD-UHFFFAOYSA-N dibutyl(oxo)tin Chemical compound CCCC[Sn](=O)CCCC JGFBRKRYDCGYKD-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229920001610 polycaprolactone Polymers 0.000 claims abstract description 19
- 239000004632 polycaprolactone Substances 0.000 claims abstract description 19
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 19
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003607 modifier Substances 0.000 claims abstract description 16
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 15
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 15
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 27
- 239000000123 paper Substances 0.000 claims description 22
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 238000011084 recovery Methods 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 10
- 235000006408 oxalic acid Nutrition 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 5
- 238000001291 vacuum drying Methods 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 abstract description 4
- 239000001913 cellulose Substances 0.000 abstract description 2
- 229920002678 cellulose Polymers 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 15
- 230000007613 environmental effect Effects 0.000 description 11
- 238000005452 bending Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 125000004185 ester group Chemical group 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 238000009775 high-speed stirring Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000013500 performance material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/46—Applications of disintegrable, dissolvable or edible materials
- B65D65/466—Bio- or photodegradable packaging materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- 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
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The invention discloses an ecological environment-friendly packaging material and a preparation method thereof, wherein the ecological environment-friendly packaging material is prepared from the following components in parts by weight: 10-30 parts of plant fiber, 25-55 parts of polylactic acid, 15-35 parts of polycaprolactone, 15-25 parts of thermoplastic polyurethane, 20-40 parts of acrylic toughening modifier, 10-20 parts of nano titanium dioxide, 1.5-2 parts of dibutyltin oxide, 0.5-1 part of antioxidant and 2-4 parts of flow modifier; the polylactic acid with good tensile strength is combined with the cellulose with high strength and high toughness, and polycaprolactone, thermoplastic polyurethane, acrylic toughening modifier, dibutyltin oxide and nano titanium dioxide are added, so that the prepared packaging material has good strength and toughness, has good degradability, is an ecological environment-friendly material, and is suitable for the fields of packaging and industry requiring high toughness.
Description
Technical field
The present invention relates to packaging material field, in particular to a kind of environmental environment-friendly package material and preparation method thereof.
Background technique
Low-carbon economy is the economic model based on low energy consumption, low emission, low pollution, is human society and original text
Another much progress after bright, agricultural civilization, industrial civilization.For green package and environmental issue, brainstrust proposes decrement
Pack (Reduce), the packet of (Reuse), reclaiming (Recycle) and degradation corruption (Degradable) are packed in recycling
Fill 3R1D principle.
In current material, cellulose is a kind of material of effective activeness and quietness, especially nano-grade cellulosic,
Body has very high intensity, and can form network structure in compound polymeric inner to greatly improve the mechanics of composite material
Performance, and fibrous material is degradable.Fibrous material abundant raw material, such as the timber from nature, cotton.But in current market
In, there is a kind of more cheap material i.e. paper board material.With the expansion of current commodity circulation range, especially e-commerce
Universal, a large amount of commodity are transported by carton package, and often carry out discarding natural degradation after use, though
Environment is not damaged, but causes the waste of vast resources, is fiber based on cardboard itself, reusing to it will have
There is very big economic value.Therefore, how to make a kind of environmental environment-friendly package material is technology to be solved by this invention
Problem.
Summary of the invention
The main object of the present invention is to provide a kind of low-carbon energy-saving, environmentally protective, with good strength and toughness life
State type environment-friendly package material and preparation method thereof.
The present invention proposes a kind of environmental environment-friendly package material, the component including following parts by weight:
10-30 parts of plant fiber；
25-55 parts of polylactic acid；
15-35 parts of polycaprolactone；
15-25 parts of thermoplastic polyurethane；
20-40 parts of acrylic compounds plasticized modifier；
10-20 parts of nano-titanium dioxide；
1.5-2 parts of Dibutyltin oxide；
0.5-1 parts of antioxidant；
2-4 parts of flow ability modifying agent；
The polylactic acid, polycaprolactone, thermoplastic polyurethane, acrylic compounds plasticized modifier are mixed, vacuumized
After drying, be blended into the Dibutyltin oxide, and be put into togerther in blender and be blended, then by mixture and plant fiber, receive
Rice titanium dioxide, antioxidant and flow ability modifying agent are added in extruder together, squeeze out after melt blending together, form environmental protection package
Material.
The present invention proposes a kind of preparation method of environmental environment-friendly package material again, by the component preparation of following parts by weight
At: 10-30 parts of plant fiber；25-55 parts of polylactic acid；15-35 parts of polycaprolactone；15-25 parts of thermoplastic polyurethane；Acrylic compounds
20-40 parts of plasticized modifier；10-20 parts of nano-titanium dioxide；1.5-2 parts of Dibutyltin oxide；0.5-1 parts of antioxidant；Flowing
2-4 parts of modifying agent；
Preparation flow includes the following steps:
1) preparation of plant fiber:
It will be put into hydrabrusher after recycling paper wood removal surface impurity, is that 12wt% condition carries out waterpower according to slurry concentration
Pulping；Moisture removal is removed into slurry progress centrifugal dehydration, obtains the wet recovery paper fiber that moisture content is 65wt%；Wet reclaim paper is fine
Dimension investment concentration is to impregnate 4 hours at 60 DEG C, wherein hydrochloric acid and oxalic acid in the hydrochloric acid and oxalic acid mixed acid aqueous solution of 15wt%
Ratio be 3:1, the quality of mixed acid is the 100% of wet recovery paper fiber quality；Hydrochloric acid will be put into and oxalic acid mixed acid is water-soluble
Wet recovery paper fiber in liquid carries out mechanical dehydration, and is washed three times with clear water, and then putting into quality is wet recovery paper fiber
150%, concentration is to impregnate 4 hours in the sodium hydrate aqueous solution of 12wt%；Wet recovery paper fiber is taken out to clean and do repeatedly
It is dry, it is spare to obtain plant fiber；
2) polylactic acid, polycaprolactone, thermoplastic polyurethane, acrylic compounds plasticized modifier are mixed, and high-speed stirring
Mix 5 minutes, mixing speed be 300-500 revs/min, after stirring at 30-40 DEG C vacuum drying；
3) product obtained in step 2 is mixed with the Dibutyltin oxide and is added in high speed blender at 60-70 DEG C
Lower blending 5-10 minutes；
4) by step 3 blend and plant fiber, nano-titanium dioxide, antioxidant and flow ability modifying agent be put into togerther
It is squeezed out after melt blending in extruder, forms environment-friendly package material.
The invention has the benefit that
Environmental environment-friendly package material of the invention is by plant fiber, polylactic acid, polycaprolactone, thermoplastic polyurethane, third
Olefin(e) acid class plasticized modifier, Dibutyltin oxide, nano-titanium dioxide, antioxidant, flow ability modifying agent are prepared, main former
Material is degradation material, protects product for ecological type ring；
It will be with mechanical characteristic, bending modulus and the preferable polylactic acid of tensile strength and with the fiber of high-intensity and high-tenacity
Element combines, and polycaprolactone, thermoplastic polyurethane, acrylic compounds plasticized modifier, Dibutyltin oxide and nano-silica is added
Change titanium, packaging material obtained has good strength and toughness, and has good degradability, is applicable to need high tough
Packaging and industrial circle.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
It is proposed an embodiment of environmental environment-friendly package material of the invention:
A kind of ecotype environment-friendly package material, the component including following parts by weight:
10-30 parts of plant fiber；
25-55 parts of polylactic acid；
15-35 parts of polycaprolactone；
15-25 parts of thermoplastic polyurethane；
20-40 parts of acrylic compounds plasticized modifier；
10-20 parts of nano-titanium dioxide；
1.5-2 parts of Dibutyltin oxide；
0.5-1 parts of antioxidant；
2-4 parts of flow ability modifying agent；
The polylactic acid, polycaprolactone, thermoplastic polyurethane, acrylic compounds plasticized modifier are mixed, vacuumized
After drying, be blended into the Dibutyltin oxide, and be put into togerther in blender and be blended, then by mixture and plant fiber, receive
Rice titanium dioxide, antioxidant and flow ability modifying agent are added in extruder together, squeeze out after melt blending together, form environmental protection package
Material.
Environmental environment-friendly package material is increased by plant fiber, polylactic acid, polycaprolactone, thermoplastic polyurethane, acrylic compounds
Tough modifying agent, Dibutyltin oxide, nano-titanium dioxide, antioxidant, flow ability modifying agent are prepared, and primary raw material is that can drop
Material is solved, protects product for ecological type ring；
It will be with mechanical characteristic, bending modulus and the preferable polylactic acid of tensile strength and with the fiber of high-intensity and high-tenacity
Element combines, and polycaprolactone, thermoplastic polyurethane, acrylic compounds plasticized modifier, Dibutyltin oxide and nano-silica is added
Change titanium, packaging material obtained has good strength and toughness, and has good degradability, is applicable to need high tough
Packaging and industrial circle.
Wherein plant fiber can be made by recycling paper wood is broken, cheap, can reduce cost.
Dibutyltin oxide can be catalyzed in melting process polycaprolactone, thermoplastic polyurethane, polylactic acid ester group
Between ester exchange reaction, form mutual graft, be conducive to the raising of Miscibility.
It will be with mechanical characteristic, bending modulus and the preferable polylactic acid of tensile strength and with the fiber of high-intensity and high-tenacity
Element combines, and packaging material obtained has good strength and toughness, and has good degradability, is applicable to need high-strength
Tough packaging and industrial circle.
The preparation method of environmental environment-friendly package material of the invention, is prepared: plant by the component of following parts by weight
10-30 parts of fiber；25-55 parts of polylactic acid；15-35 parts of polycaprolactone；15-25 parts of thermoplastic polyurethane；Acrylic compounds toughening changes
20-40 parts of agent of property；10-20 parts of nano-titanium dioxide；1.5-2 parts of Dibutyltin oxide；0.5-1 parts of antioxidant；Flow ability modifying agent
2-4 parts；
Preparation flow includes the following steps:
1) preparation of plant fiber:
It will be put into hydrabrusher after recycling paper wood removal surface impurity, is that 12wt% condition carries out waterpower according to slurry concentration
Pulping；Moisture removal is removed into slurry progress centrifugal dehydration, obtains the wet recovery paper fiber that moisture content is 65wt%；Wet reclaim paper is fine
Dimension investment concentration is to impregnate 4 hours at 60 DEG C, wherein hydrochloric acid and oxalic acid in the hydrochloric acid and oxalic acid mixed acid aqueous solution of 15wt%
Ratio be 3:1, the quality of mixed acid is the 100% of wet recovery paper fiber quality；Hydrochloric acid will be put into and oxalic acid mixed acid is water-soluble
Wet recovery paper fiber in liquid carries out mechanical dehydration, and is washed three times with clear water, and then putting into quality is wet recovery paper fiber
150%, concentration is to impregnate 4 hours in the sodium hydrate aqueous solution of 12wt%；Wet recovery paper fiber is taken out to clean and do repeatedly
It is dry, it is spare to obtain plant fiber；
2) polylactic acid, polycaprolactone, thermoplastic polyurethane, acrylic compounds plasticized modifier are mixed, and high-speed stirring
Mix 5 minutes, mixing speed be 300-500 revs/min, after stirring at 30-40 DEG C vacuum drying；
3) product obtained in step 2 is mixed with the Dibutyltin oxide and is added in high speed blender at 60-70 DEG C
Lower blending 5-10 minutes；
4) by step 3 blend and plant fiber, nano-titanium dioxide, antioxidant and flow ability modifying agent be put into togerther
It is squeezed out after melt blending in extruder, forms environment-friendly package material.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure transformation made by description of the invention is applied directly or indirectly in other relevant technical fields, and similarly wraps
It includes in scope of patent protection of the invention.
Claims (2)
1. a kind of ecotype environment-friendly package material, which is characterized in that the component including following parts by weight:
10-30 parts of plant fiber；
25-55 parts of polylactic acid；
15-35 parts of polycaprolactone；
15-25 parts of thermoplastic polyurethane；
20-40 parts of acrylic compounds plasticized modifier；
10-20 parts of nano-titanium dioxide；
1.5-2 parts of Dibutyltin oxide；
0.5-1 parts of antioxidant；
2-4 parts of flow ability modifying agent；
The polylactic acid, polycaprolactone, thermoplastic polyurethane, acrylic compounds plasticized modifier are mixed, vacuum drying
Afterwards, it is blended into the Dibutyltin oxide, and is put into togerther in blender and is blended, then by mixture and plant fiber, nanometer two
Titanium oxide, antioxidant and flow ability modifying agent are added in extruder together, squeeze out after melt blending together, form environment protection packaging material
Material.
2. a kind of preparation method of ecotype environment-friendly package material, which is characterized in that be prepared by the component of following parts by weight:
10-30 parts of plant fiber；25-55 parts of polylactic acid；15-35 parts of polycaprolactone；15-25 parts of thermoplastic polyurethane；Acrylic compounds increase
Tough modifying agent 20-40 parts；10-20 parts of nano-titanium dioxide；1.5-2 parts of Dibutyltin oxide；0.5-1 parts of antioxidant；Flowing changes
2-4 parts of agent of property；
Preparation flow includes the following steps:
1) preparation of plant fiber:
It will be put into hydrabrusher after recycling paper wood removal surface impurity, and be that 12wt% condition progress waterpower is broken according to slurry concentration
Slurry；Moisture removal is removed into slurry progress centrifugal dehydration, obtains the wet recovery paper fiber that moisture content is 65wt%；By wet recovery paper fiber
It puts into the hydrochloric acid and oxalic acid mixed acid aqueous solution that concentration is 15wt%, impregnates 4 hours at 60 DEG C, wherein hydrochloric acid and oxalic acid
Ratio is 3:1, and the quality of mixed acid is the 100% of wet recovery paper fiber quality；It will investment hydrochloric acid and oxalic acid mixed acid aqueous solution
In wet recovery paper fiber carry out mechanical dehydration, and wash three times with clear water, then putting into quality is wet recovery paper fiber
150%, concentration is to impregnate 4 hours in the sodium hydrate aqueous solution of 12wt%；Wet recovery paper fiber is taken out to clean and do repeatedly
It is dry, it is spare to obtain plant fiber；
2) polylactic acid, polycaprolactone, thermoplastic polyurethane, acrylic compounds plasticized modifier are mixed, and high-speed stirred 5 is divided
Clock, mixing speed be 300-500 revs/min, after stirring at 30-40 DEG C vacuum drying；
3) product obtained in step 2 is mixed with the Dibutyltin oxide and is added in high speed blender at 60-70 DEG C altogether
It is 5-10 minutes mixed；
4) by step 3 blend and plant fiber, nano-titanium dioxide, antioxidant and flow ability modifying agent be put into togerther extrusion
It is squeezed out after melt blending in machine, forms environment-friendly package material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810580382.8A CN109054316A (en) | 2018-06-07 | 2018-06-07 | Ecological environment-friendly packaging material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810580382.8A CN109054316A (en) | 2018-06-07 | 2018-06-07 | Ecological environment-friendly packaging material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109054316A true CN109054316A (en) | 2018-12-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810580382.8A Pending CN109054316A (en) | 2018-06-07 | 2018-06-07 | Ecological environment-friendly packaging material and preparation method thereof |
Country Status (1)
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| CN (1) | CN109054316A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112277403A (en) * | 2020-09-29 | 2021-01-29 | 正业包装（中山）有限公司 | High-strength environment-friendly product and preparation method thereof |
| CN114479393A (en) * | 2021-12-18 | 2022-05-13 | 太仓市缘福汽配有限公司 | Environment-friendly degradable plastic packaging bag and preparation process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104292785A (en) * | 2014-10-29 | 2015-01-21 | 正业包装（中山）有限公司 | Recycled paper fiber-polylactic acid composite material and preparation method thereof. |
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| CN104292785A (en) * | 2014-10-29 | 2015-01-21 | 正业包装（中山）有限公司 | Recycled paper fiber-polylactic acid composite material and preparation method thereof. |
| CN105440608A (en) * | 2015-04-16 | 2016-03-30 | 湖南工业大学 | High-toughness high-strength polylactic acid composite material and preparation process therefor |
| CN105440612A (en) * | 2015-06-23 | 2016-03-30 | 湖南工业大学 | Lightweight high-toughness environmentally friendly composite foam material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112277403A (en) * | 2020-09-29 | 2021-01-29 | 正业包装（中山）有限公司 | High-strength environment-friendly product and preparation method thereof |
| CN112277403B (en) * | 2020-09-29 | 2023-08-15 | 正业包装（中山）有限公司 | Preparation method of high-strength environment-friendly product |
| CN114479393A (en) * | 2021-12-18 | 2022-05-13 | 太仓市缘福汽配有限公司 | Environment-friendly degradable plastic packaging bag and preparation process thereof |
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