CN115011080A - Full-biodegradable composite material and preparation method thereof - Google Patents
Full-biodegradable composite material and preparation method thereof Download PDFInfo
- Publication number
- CN115011080A CN115011080A CN202210619325.2A CN202210619325A CN115011080A CN 115011080 A CN115011080 A CN 115011080A CN 202210619325 A CN202210619325 A CN 202210619325A CN 115011080 A CN115011080 A CN 115011080A
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- pbat
- shell powder
- composite material
- powder composite
- injection molding
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- 239000002131 composite material Substances 0.000 title claims abstract description 83
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 105
- 238000001746 injection moulding Methods 0.000 claims abstract description 40
- 238000002156 mixing Methods 0.000 claims abstract description 33
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 229920001896 polybutyrate Polymers 0.000 claims abstract 29
- 238000000034 method Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000002028 Biomass Substances 0.000 abstract description 7
- 229920000704 biodegradable plastic Polymers 0.000 abstract description 6
- 239000011159 matrix material Substances 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 19
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052901 montmorillonite Inorganic materials 0.000 description 3
- 241000237502 Ostreidae Species 0.000 description 2
- -1 Polybutylene terephthalate adipate Polymers 0.000 description 2
- 229920008262 Thermoplastic starch Polymers 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229920006237 degradable polymer Polymers 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000010954 inorganic particle Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000020636 oyster Nutrition 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004631 polybutylene succinate Substances 0.000 description 2
- 229920002961 polybutylene succinate Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 235000015170 shellfish Nutrition 0.000 description 2
- 239000004628 starch-based polymer Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 229920001634 Copolyester Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004621 biodegradable polymer Substances 0.000 description 1
- 229920002988 biodegradable polymer Polymers 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004416 thermosoftening plastic Substances 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
- 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
- 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
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
-
- 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 a full-biodegradable composite material and a preparation method thereof. The preparation method comprises the following steps: mixing PBAT and shell powder and stirring to obtain a mixture; sequentially carrying out melt blending, extrusion into strips, cooling, granulating and drying on the mixture to obtain PBAT/shell powder composite master batches; and carrying out injection molding treatment on the PBAT/shell powder composite master batch to obtain the PBAT/shell powder composite material. The invention takes natural shells as raw materials to prepare the PBAT/shell powder composite material, improves the modulus and the hardness of the PBAT matrix, and reduces the use cost of PBAT products by utilizing the low price of the shell powder. Each component of the PBAT/shell powder composite material is derived from biomass, and belongs to completely biodegradable plastics.
Description
Technical Field
The invention relates to the technical field of composite materials, in particular to a PBAT/shell powder full-biodegradable composite material with low cost and high hardness and a preparation method thereof.
Background
Polybutylene terephthalate adipate (PBAT) is completely biodegradable aliphatic-aromatic copolyester, has good hydrophilicity, mechanical property, processability and biocompatibility, and is an ideal green and environment-friendly material. Can replace non-biodegradable polymers in the fields of food packaging industry, garbage bags, shopping bags, preservative films and the like. However, the PBAT still has the defects of low hardness, smaller elastic modulus, insufficient rigidity of a film or a packaging product, easy breakage and the like; and the cost of the PBAT is high, and the large-scale application is difficult to realize.
In order to overcome the defects of PBAT, the development of a degradable composite material with excellent performance and low cost becomes one of the hot problems in PBAT research at present. At present, the research focuses on forming a composite system such as polylactic acid (PLA), polybutylene succinate (PBS) or thermoplastic starch (TPS) by PBAT and other degradable polymers, but the composite system has higher cost; on the other hand, inorganic particles such as montmorillonite (MMT) and calcium carbonate are adopted to improve the mechanical strength of the matrix, but the materials are natural minerals and have biocompatibility.
Accordingly, the prior art remains to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a PBAT/shell powder full-biodegradable composite material with low cost and high hardness and a preparation method thereof, and aims to solve the problems that the cost of a composite system formed by the existing PBAT and other degradable polymers is high, or the existing composite system is biologically incompatible due to the adoption of inorganic particles such as montmorillonite and calcium carbonate.
The technical scheme of the invention is as follows:
a preparation method of a PBAT/shell powder composite material comprises the following steps:
mixing PBAT and shell powder and stirring to obtain a mixture;
sequentially carrying out melt blending, extrusion into strips, cooling, granulating and drying on the mixture to obtain PBAT/shell powder composite master batches;
and carrying out injection molding treatment on the PBAT/shell powder composite master batch to obtain the PBAT/shell powder composite material.
The invention takes natural shells (such as oyster shells and the like) as raw materials to prepare the PBAT/shell powder composite material, improves the modulus and the hardness of the PBAT matrix, and reduces the use cost of PBAT products by utilizing the low price of the shell powder. Each component of the PBAT/shell powder composite material is derived from biomass, and belongs to completely biodegradable plastics.
Optionally, the step of mixing and stirring the PBAT and the shell powder specifically includes: adding PBAT and shell powder into a mixer, and stirring and mixing uniformly.
Optionally, the time for stirring and mixing is 20-30 minutes.
Optionally, the mass ratio of the PBAT to the shell powder is 100: (10-50) mixing.
Optionally, the steps of sequentially melt blending and extruding the mixture into a bar include: and (3) putting the mixture into a double-screw extruder, carrying out melt blending, and then extruding into strips.
Optionally, the screw rotation speed of the twin-screw extruder is 13-15 revolutions/minute, the feeding machine rotation speed is 4-6 revolutions/minute, and the extrusion temperature is 110-130 ℃.
Optionally, circulating water is used for cooling, a granulator is used for granulating, and the mixture is placed into a blast oven for drying.
Optionally, the step of performing injection molding treatment on the PBAT/shell powder composite master batch specifically includes: and adding the PBAT/shell powder composite master batch into an injection molding machine for injection molding treatment.
Optionally, the temperature of the feed inlet of the injection molding machine is 110 ℃, and the temperature of the screw of the injection molding machine is 110-.
The invention relates to a PBAT/shell powder composite material, which is prepared by the preparation method of the PBAT/shell powder composite material.
In the invention, the PBAT is modified by using the shell powder which is a pure natural biomass material for the first time, so that the PBAT/shell powder composite material is prepared. The mass content of the shell powder in the material can reach more than 50 parts. The product cost is reduced on the basis of improving the hardness and modulus of the material, and the material has better processing performance and application performance. Is beneficial to the large-scale market popularization of PBAT materials. Each component of the PBAT/shell powder composite material is derived from biomass, and belongs to completely biodegradable plastics.
Detailed Description
The invention provides a PBAT/shell powder full-biodegradable composite material with low cost and high hardness and a preparation method thereof, and the invention is further explained in detail below in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
The shell is a natural biological material which is easy to obtain. The yield of the Chinese shellfish is the first world, and more than 1000 million tons of shellfish enter the market every year. The resultant large amount of shells are used as garbage to be deposited in garbage dump or directly poured into sea. The reasonable utilization of the shell powder can realize waste recycling.
Based on this, the embodiment of the invention provides a preparation method of a PBAT/shell powder composite material, which comprises the following steps:
mixing PBAT and shell powder and stirring to obtain a mixture;
sequentially carrying out melt blending, extrusion into strips, cooling, granulating and drying on the mixture to obtain PBAT/shell powder composite master batches;
and carrying out injection molding treatment on the PBAT/shell powder composite master batch to obtain the PBAT/shell powder composite material.
In the embodiment, the PBAT/shell powder composite material is prepared by taking natural shells (such as oyster shells and the like) as raw materials, so that the modulus and the hardness of a PBAT matrix are improved, and the use cost of PBAT products is reduced by using the low price of the shell powder. In the embodiment, each component of the PBAT/shell powder composite material is derived from biomass, and belongs to completely biodegradable plastic.
Specifically, the present embodiment has the following technical advantages:
1. compared with pure thermoplastic PBAT, the PBAT/shell powder composite material prepared by the embodiment has good comprehensive properties, such as higher hardness, modulus and the like. Can be widely applied to the application field of general plastics, such as packaging materials, disposable tableware, gardening products, electronic products and the like;
2. in the embodiment, the PBAT/shell powder composite material is prepared by premixing ingredients, then melting and blending, then cooling and granulating, and finally injection molding. The PBAT/shell powder composite material prepared by the embodiment has good processability, and can be processed and molded by methods such as extrusion, injection molding and the like as common thermoplastic plastics;
3. the preparation method of the PBAT/shell powder composite material has simple process and easy control. Universal plastic processing equipment can be adopted, so that the investment is saved;
4. in the embodiment, each component of the PBAT/shell powder composite material is derived from biomass, belongs to completely biodegradable plastic, does not cause environmental pollution, and can thoroughly solve the problem of white pollution.
In one embodiment, the step of mixing and stirring the PBAT and the shell powder specifically comprises: adding PBAT and shell powder into a high-speed mixer, and uniformly stirring. Namely, a high-speed mixer is adopted to uniformly mix PBAT and shell powder.
In one embodiment, the time period for mixing is 20 to 30 minutes. Namely stirring and uniformly mixing in a high-speed mixer for 20-30 minutes.
In one embodiment, the PBAT feedstock is a oven-dried PBAT feedstock with the purpose of removing moisture. Wherein the drying time can be 1-3h (such as 2h), and the drying temperature can be 60-80 deg.C (such as 70 deg.C).
In one embodiment, the mass ratio of PBAT to shell powder is 100: (10-50) mixing. I.e. 10-50 parts of shell powder per 100 parts of PBAT.
In one embodiment, the steps of melt blending and extruding the mixture into a bar sequentially include: and (3) putting the mixture into a double-screw extruder, carrying out melt blending, and then extruding into strips.
In one embodiment, the screw speed of the twin screw extruder is 13-15 rpm, the feeder speed is 4-6 rpm, and the extrusion temperature is 110-.
In one embodiment, the cooling is performed by using circulating water, the granulating is performed by using a granulator, and the mixture is placed into a blast oven for drying. Wherein the drying time can be 1-3h (such as 2h), and the drying temperature can be 60-80 deg.C (such as 70 deg.C).
In one embodiment, the step of performing injection molding treatment on the PBAT/shell powder composite master batch specifically includes: and adding the PBAT/shell powder composite master batch into an injection molding machine for injection molding treatment. Adding the PBAT/shell powder composite master batch into an injection molding machine, and preparing the PBAT/shell powder composite material in an injection molding mode.
In one embodiment, the temperature of the feed inlet of the injection molding machine is 110 ℃ and the temperature of the screw of the injection molding machine is 110-.
The embodiment of the invention also provides a PBAT/shell powder composite material, wherein the PBAT/shell powder composite material is prepared by the preparation method of the PBAT/shell powder composite material.
The invention is further illustrated by the following specific examples.
COMPARATIVE EXAMPLE 1(PBAT)
The preparation method of the PBAT material of the comparative example comprises the following specific preparation steps:
the PBAT stock was placed in a forced air oven for 2h to remove moisture, with the oven temperature set at 70 ℃. And (3) melting the dried PBAT in a double-screw extruder, and extruding into strips to obtain the PBAT master batch. The screw speed was 15 revolutions per minute, the feeder speed was 5 revolutions per minute, and the extrusion temperature was 120 ℃. And cooling the PBAT master batch by using circulating water, granulating the cooled PBAT master batch by using a granulator, and then drying the PBAT master batch in a forced air oven at the temperature of 70 ℃ for 2 hours to obtain PBAT particles. And adding the PBAT particles into an injection molding machine for injection molding treatment to obtain the dumbbell-type PBAT material, wherein the temperature of a feed inlet of the injection molding machine is 110 ℃, and the temperature of a screw of the injection molding machine is 145 ℃. The hardness of the PBAT material is 1.18MPa and the modulus is 1296 MPa.
Example 1(PBAT +10 parts shell powder)
The preparation method of the fully biodegradable PBAT/shell powder composite material of the embodiment comprises the following specific preparation steps:
the PBAT stock was placed in a forced air oven for 2h to remove moisture, with the oven temperature set at 70 ℃. Adding PBAT and shell powder into a high-speed mixer, wherein 10 parts of shell powder is added into 100 parts of PBAT, and stirring and uniformly mixing the mixture in the high-speed mixer for 20 minutes to obtain a mixture. And (3) putting the mixture into a double-screw extruder for melt blending, and then extruding into strips. The screw speed was 15 revolutions per minute, the feeder speed was 5 revolutions per minute, and the extrusion temperature was 120 ℃. And cooling the extruded material by using circulating water, granulating the cooled material by using a granulator, and then drying the material in a blast oven at the temperature of 70 ℃ for 2 hours to obtain the PBAT/shell powder composite master batch. And adding the PBAT/shell powder composite master batch into an injection molding machine for injection molding treatment to obtain the PBAT/shell powder composite material. Wherein the temperature of the feed inlet of the injection molding machine is 110 ℃, and the temperature of the screw of the injection molding machine is 145 ℃. Tests show that the hardness of the PBAT/shell powder composite material is 1.30, and the modulus is 1581 MPa.
Example 2(PBAT +30 parts shell powder)
The preparation method of the fully biodegradable PBAT/shell powder composite material of the embodiment comprises the following specific preparation steps:
the PBAT stock was placed in a forced air oven for 2h to remove moisture, with the oven temperature set at 70 ℃. Adding PBAT and shell powder into a high-speed mixer, wherein 30 parts of shell powder is added into 100 parts of PBAT, and stirring and uniformly mixing the mixture in the high-speed mixer for 20 minutes to obtain a mixture. And (3) putting the mixture into a double-screw extruder for melt blending, and then extruding into strips. The screw speed was 15 revolutions per minute, the feeder speed was 5 revolutions per minute, and the extrusion temperature was 120 ℃. And cooling the extruded material by using circulating water, granulating the cooled material by using a granulator, and then drying the material in a blast oven at the temperature of 70 ℃ for 2 hours to obtain the PBAT/shell powder composite master batch. And adding the dried PBAT/shell powder composite master batch into an injection molding machine for injection molding treatment to obtain the PBAT/shell powder composite material. Wherein the temperature of the feed inlet of the injection molding machine is 110 ℃, and the temperature of the screw section of the injection molding machine is 145 ℃. The hardness of the PBAT/shell powder composite material is 1.52 and the modulus is 1722 MPa.
Example 3(PBAT +50 parts shell powder)
The preparation method of the fully biodegradable PBAT/shell powder composite material of the embodiment comprises the following specific preparation steps:
the PBAT stock was placed in a forced air oven for 2h to remove moisture, with the oven temperature set at 70 ℃. Adding PBAT and shell powder into a high-speed mixer, wherein 50 parts of shell powder is added into 100 parts of PBAT, and stirring and uniformly mixing the mixture in the high-speed mixer for 20 minutes to obtain a mixture. And (3) putting the mixture into a double-screw extruder for melt blending, and then extruding into strips. The screw speed was 15 revolutions per minute, the feeder speed was 5 revolutions per minute, and the extrusion temperature was 120 ℃. And cooling the extruded material by using circulating water, granulating the cooled material by using a granulator, and then drying the material in a blast oven at the temperature of 70 ℃ for 2 hours to obtain the PBAT/shell powder composite master batch. And adding the PBAT/shell powder composite master batch into an injection molding machine for injection molding treatment to obtain the PBAT/shell powder composite material. Wherein the temperature of the feed inlet of the injection molding machine is 110 ℃, and the temperature of the screw section of the injection molding machine is 145 ℃. The hardness of the PBAT/shell powder composite material is 1.91, and the modulus is 2103 MPa.
In conclusion, the PBAT/shell powder full-biodegradable composite material with low cost and high hardness and the preparation method thereof are provided by the invention. The PBAT/shell powder composite material is prepared by premixing ingredients, then melting and blending, cooling and granulating, and finally performing injection molding. The invention takes natural shells as raw materials to prepare the PBAT/shell powder composite material, improves the modulus and the hardness of the PBAT matrix, and reduces the use cost of PBAT products by utilizing the low price of the shell powder. Each component of the PBAT/shell powder composite material is derived from biomass, and belongs to completely biodegradable plastics.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. A preparation method of a PBAT/shell powder composite material is characterized by comprising the following steps:
mixing PBAT and shell powder and stirring to obtain a mixture;
sequentially carrying out melt blending, extrusion into strips, cooling, granulating and drying on the mixture to obtain PBAT/shell powder composite master batches;
and carrying out injection molding treatment on the PBAT/shell powder composite master batch to obtain the PBAT/shell powder composite material.
2. The method for preparing the PBAT/shell powder composite material according to claim 1, wherein the step of mixing and stirring the PBAT and the shell powder specifically comprises: adding PBAT and shell powder into a mixer, and stirring and mixing uniformly.
3. The method for preparing the PBAT/shell powder composite material according to claim 2, characterized in that the time for uniformly stirring is 20-30 minutes.
4. The method for preparing the PBAT/shell powder composite material according to claim 1, wherein the PBAT and the shell powder are mixed in a mass ratio of 100: (10-50) mixing.
5. The method for preparing the PBAT/shell powder composite material according to claim 1, characterized in that the steps of melt blending and extruding the mixture into strips are sequentially carried out, and specifically comprises: and (3) putting the mixture into a double-screw extruder, carrying out melt blending, and then extruding into strips.
6. The method for preparing the PBAT/shell powder composite material as recited in claim 5, wherein the screw rotation speed of the twin-screw extruder is 13-15 rpm, the feed rotation speed is 4-6 rpm, and the extrusion temperature is 110-130 ℃.
7. The method for preparing the PBAT/shell powder composite material according to claim 1, characterized in that circulating water is used for cooling, a granulator is used for granulating, and the PBAT/shell powder composite material is placed into a blast oven for drying.
8. The method for preparing the PBAT/shell powder composite material according to claim 1, characterized in that the step of subjecting the PBAT/shell powder composite master batch to injection molding treatment specifically comprises: and adding the PBAT/shell powder composite master batch into an injection molding machine for injection molding treatment.
9. The method for preparing the PBAT/shell powder composite material according to claim 8, wherein the temperature of the feed inlet of the injection molding machine is 110 ℃, and the temperature of the screw of the injection molding machine is 110-145 ℃.
10. A PBAT/shell powder composite material, which is characterized by being prepared by the preparation method of the PBAT/shell powder composite material according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210619325.2A CN115011080B (en) | 2022-05-31 | 2022-05-31 | Full-biodegradable composite material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210619325.2A CN115011080B (en) | 2022-05-31 | 2022-05-31 | Full-biodegradable composite material and preparation method thereof |
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| CN115011080A true CN115011080A (en) | 2022-09-06 |
| CN115011080B CN115011080B (en) | 2024-04-16 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005008783A (en) * | 2003-06-20 | 2005-01-13 | Taiho Ind Co Ltd | Film in which seashell powder is mixed and bag material and method for producing those |
| CN101633775A (en) * | 2008-07-25 | 2010-01-27 | 中国科学院宁波材料技术与工程研究所 | Composite material of shell micro powder filling bio-based resin and method for preparing same |
| CN101805523A (en) * | 2010-04-06 | 2010-08-18 | 王文广 | Superfine biological powder filling masterbatch and method for preparing same |
| CN105001569A (en) * | 2015-07-07 | 2015-10-28 | 四川大学 | Polyvinyl alcohol/shell powder biomass composite material and preparation method therefor |
| CN112980157A (en) * | 2021-03-16 | 2021-06-18 | 福建星光粒子科技有限公司 | Shell powder-containing biodegradable material, particle and mulching film |
| CN114410080A (en) * | 2022-01-28 | 2022-04-29 | 辽宁金科塑胶科技有限公司 | Composite material for manufacturing degradable disposable lunch box and preparation method thereof |
-
2022
- 2022-05-31 CN CN202210619325.2A patent/CN115011080B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005008783A (en) * | 2003-06-20 | 2005-01-13 | Taiho Ind Co Ltd | Film in which seashell powder is mixed and bag material and method for producing those |
| CN101633775A (en) * | 2008-07-25 | 2010-01-27 | 中国科学院宁波材料技术与工程研究所 | Composite material of shell micro powder filling bio-based resin and method for preparing same |
| CN101805523A (en) * | 2010-04-06 | 2010-08-18 | 王文广 | Superfine biological powder filling masterbatch and method for preparing same |
| CN105001569A (en) * | 2015-07-07 | 2015-10-28 | 四川大学 | Polyvinyl alcohol/shell powder biomass composite material and preparation method therefor |
| CN112980157A (en) * | 2021-03-16 | 2021-06-18 | 福建星光粒子科技有限公司 | Shell powder-containing biodegradable material, particle and mulching film |
| CN114410080A (en) * | 2022-01-28 | 2022-04-29 | 辽宁金科塑胶科技有限公司 | Composite material for manufacturing degradable disposable lunch box and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| VITO GIGANTE ET AL: ""Evaluation of Mussel Shells Powder as Reinforcement for PLA-Based Biocomposites"", 《INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES》, vol. 21, 28 July 2020 (2020-07-28), pages 1 - 16 * |
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| CN115011080B (en) | 2024-04-16 |
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