CN117700943A - Degradable extrusion-grade PBS material and preparation method and application thereof - Google Patents
Degradable extrusion-grade PBS material and preparation method and application thereof Download PDFInfo
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- CN117700943A CN117700943A CN202311505987.8A CN202311505987A CN117700943A CN 117700943 A CN117700943 A CN 117700943A CN 202311505987 A CN202311505987 A CN 202311505987A CN 117700943 A CN117700943 A CN 117700943A
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- 239000000463 material Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 229920002961 polybutylene succinate Polymers 0.000 claims abstract description 51
- 239000004631 polybutylene succinate Substances 0.000 claims abstract description 51
- 239000005014 poly(hydroxyalkanoate) Substances 0.000 claims abstract description 27
- 229920000903 polyhydroxyalkanoate Polymers 0.000 claims abstract description 27
- 239000004626 polylactic acid Substances 0.000 claims abstract description 24
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 23
- 239000000203 mixture Substances 0.000 claims abstract description 20
- -1 polybutylene succinate Polymers 0.000 claims abstract description 19
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 12
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 239000002667 nucleating agent Substances 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims description 25
- OPFTUNCRGUEPRZ-UHFFFAOYSA-N (+)-beta-Elemen Natural products CC(=C)C1CCC(C)(C=C)C(C(C)=C)C1 OPFTUNCRGUEPRZ-UHFFFAOYSA-N 0.000 claims description 14
- OPFTUNCRGUEPRZ-QLFBSQMISA-N (-)-beta-elemene Chemical compound CC(=C)[C@@H]1CC[C@@](C)(C=C)[C@H](C(C)=C)C1 OPFTUNCRGUEPRZ-QLFBSQMISA-N 0.000 claims description 14
- 239000000341 volatile oil Substances 0.000 claims description 14
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 13
- 229940008841 1,6-hexamethylene diisocyanate Drugs 0.000 claims description 12
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical group O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 12
- WHBMMWSBFZVSSR-UHFFFAOYSA-M 3-hydroxybutyrate Chemical compound CC(O)CC([O-])=O WHBMMWSBFZVSSR-UHFFFAOYSA-M 0.000 claims description 8
- WHBMMWSBFZVSSR-UHFFFAOYSA-N R3HBA Natural products CC(O)CC(O)=O WHBMMWSBFZVSSR-UHFFFAOYSA-N 0.000 claims description 8
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000005022 packaging material Substances 0.000 claims description 3
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 claims description 2
- YDZIJQXINJLRLL-UHFFFAOYSA-N 2-hydroxydodecanoic acid Chemical compound CCCCCCCCCCC(O)C(O)=O YDZIJQXINJLRLL-UHFFFAOYSA-N 0.000 claims description 2
- NYHNVHGFPZAZGA-UHFFFAOYSA-N 2-hydroxyhexanoic acid Chemical compound CCCCC(O)C(O)=O NYHNVHGFPZAZGA-UHFFFAOYSA-N 0.000 claims description 2
- JKRDADVRIYVCCY-UHFFFAOYSA-N 2-hydroxyoctanoic acid Chemical compound CCCCCCC(O)C(O)=O JKRDADVRIYVCCY-UHFFFAOYSA-N 0.000 claims description 2
- SJZRECIVHVDYJC-UHFFFAOYSA-M 4-hydroxybutyrate Chemical compound OCCCC([O-])=O SJZRECIVHVDYJC-UHFFFAOYSA-M 0.000 claims description 2
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 208000034530 PLAA-associated neurodevelopmental disease Diseases 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract description 2
- 230000003993 interaction Effects 0.000 abstract description 2
- 239000002953 phosphate buffered saline Substances 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 230000000844 anti-bacterial effect Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 235000016068 Berberis vulgaris Nutrition 0.000 description 1
- 241000335053 Beta vulgaris Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 229920003232 aliphatic polyester Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920002988 biodegradable polymer Polymers 0.000 description 1
- 239000004621 biodegradable polymer Substances 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000003834 intracellular effect Effects 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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 belongs to the technical field of biodegradable composite materials, and particularly relates to a degradable extrusion-grade PBS material, and a preparation method and application thereof; the degradable extrusion-grade PBS material is prepared from the following raw materials in parts by weight: 50-70 parts of polybutylene succinate; 30-35 parts of polylactic acid; 25-35 parts of polyhydroxyalkanoate; 3-5 parts of compatibilizer; 1-2 parts of plasticizer; 1-2 parts of an antioxidant; 1-2 parts of nucleating agent. The preparation method comprises the following steps: uniformly mixing polybutylene succinate, polylactic acid, polyhydroxyalkanoate, rong Chuji, an antioxidant and a nucleating agent according to corresponding adding proportions to obtain a mixture, adding the mixture into an extruder, extruding, granulating, cooling and granulating to obtain the degradable extrusion-grade PBS material. When the degradable extrusion-grade PBS material is prepared, the compatibilizer is added, so that the interfacial interaction among PBS, PLA and PHA can be obviously improved, and the mechanical property of the prepared PBS material can be further improved.
Description
Technical Field
The invention belongs to the technical field of biodegradable composite materials, and particularly relates to a degradable extrusion-grade PBS material, and a preparation method and application thereof.
Background
The polybutylene succinate (PBS) is prepared by condensation polymerization of succinic acid and butanediol, and the resin is milky white, odorless and tasteless, is easy to be decomposed and metabolized by various microorganisms in nature or enzymes in animals and plants, and is finally decomposed into carbon dioxide and water, thus being a typical completely biodegradable polymer material.
Polylactic acid (PLA) is an aliphatic polyester with biodegradability and biocompatibility, which is prepared by taking fully renewable resources such as corn, beet and the like as raw materials and adopting a chemical synthesis method. The final degradation products of PLA in the environment are CO2 and H2O, which do not pollute the environment, and PLA is therefore currently the most widely studied biodegradable material.
Polyhydroxyalkanoates (PHA), a natural polymeric biomaterial, are an intracellular polyester synthesized by many microorganisms. The PHA has good biocompatibility, biodegradability and hot processing performance of plastics, so the PHA can be used as biomedical materials and biodegradable packaging materials.
When PLA is mixed with PBS and PHA, the mechanical properties of products prepared from these polymer compositions are impaired, and how to improve the mechanical properties of products prepared from such polymer compositions is a problem to be solved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a degradable extrusion-grade PBS material, and a preparation method and application thereof.
The aim of the invention can be achieved by the following technical scheme:
the degradable extrusion-grade PBS material comprises the following preparation raw materials in parts by weight:
50-70 parts of polybutylene succinate;
30-35 parts of polylactic acid;
25-35 parts of polyhydroxyalkanoate;
3-5 parts of compatibilizer;
1-2 parts of elemene essential oil;
1-2 parts of an antioxidant;
1-2 parts of nucleating agent.
Preferably, the melt index of the polylactic acid is 2-5g/10min at the temperature of 2.16kg and 190 ℃.
Preferably, the polyhydroxyalkanoate is at least one of a copolymer of 3-hydroxybutyrate and 4-hydroxybutyrate, a copolymer of hydroxycaproate and 3-hydroxybutyrate, a copolymer of hydroxyoctanoate and 3-hydroxybutyrate, and a copolymer of hydroxydodecanoate and 3-hydroxybutyrate.
Preferably, the compatibilizer is 1, 6-hexamethylene diisocyanate.
Preferably, said is at least one of antioxidant 1010, antioxidant 1076, antioxidant 2246 and antioxidant 168.
Preferably, the nucleating agent is at least one of talc, calcium carbonate, silica and titanium dioxide.
Preferably, a method for preparing a degradable extrusion grade PBS material comprises the following steps: uniformly mixing polybutylene succinate, polylactic acid, polyhydroxyalkanoate, rong Chuji, an antioxidant and a nucleating agent according to corresponding adding proportions to obtain a mixture, adding the mixture into an extruder, extruding, granulating, cooling and granulating to obtain the degradable extrusion-grade PBS material.
Preferably, the extruder adopts a double-screw extruder, and the extrusion temperature of the extruder is as follows: the temperature of 180-210 ℃ and the rotating speed of the screw rod of 100-500rpm.
Preferably, the degradable extrusion grade PBS material is applied to the preparation of packaging materials and disposable tableware.
The invention has the beneficial effects that:
1. when the degradable extrusion-grade PBS material is prepared, the compatibilizer is added, so that the interfacial interaction among PBS, PLA and PHA can be obviously improved, and the mechanical property of the prepared PBS material can be further improved.
2. When the degradable extrusion-grade PBS material is prepared, the addition of the elemene essential oil can further improve the toughness and tensile strength of the prepared degradable extrusion-grade PBS material, and the prepared degradable extrusion-grade PBS material has a certain antibacterial effect, so that the degradable extrusion-grade PBS material can be used as a raw material for preparing disposable tableware in the catering industry.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The degradable extrusion grade PBS material is prepared from the following raw materials in parts by weight:
60 parts of polybutylene succinate;
30 parts of polylactic acid;
30 parts of polyhydroxyalkanoate;
3 parts of 1, 6-hexamethylene diisocyanate;
elemene grease essential oil 1 part;
10102 parts of an antioxidant;
2 parts of talcum powder.
The preparation method comprises the following steps: uniformly mixing polybutylene succinate, polylactic acid, polyhydroxyalkanoate, 1, 6-hexamethylene diisocyanate, elemene essential oil, antioxidant 1010 and talcum powder according to the adding proportion to obtain a mixture, adding the mixture into a double-screw extruder, extruding, granulating, cooling and granulating to obtain a degradable extrusion-grade PBS material; wherein the extrusion temperature of the extruder is: the screw speed was 300rpm at 200 ℃.
Example 2
The degradable extrusion grade PBS material is prepared from the following raw materials in parts by weight:
60 parts of polybutylene succinate;
30 parts of polylactic acid;
30 parts of polyhydroxyalkanoate;
5 parts of 1, 6-hexamethylene diisocyanate;
elemene grease essential oil 1 part;
10102 parts of an antioxidant;
2 parts of talcum powder.
The preparation method comprises the following steps: uniformly mixing polybutylene succinate, polylactic acid, polyhydroxyalkanoate, 1, 6-hexamethylene diisocyanate, elemene essential oil, antioxidant 1010 and talcum powder according to the adding proportion to obtain a mixture, adding the mixture into a double-screw extruder, extruding, granulating, cooling and granulating to obtain a degradable extrusion-grade PBS material; wherein the extrusion temperature of the extruder is: the screw speed was 300rpm at 200 ℃.
Example 3
The degradable extrusion grade PBS material is prepared from the following raw materials in parts by weight:
60 parts of polybutylene succinate;
30 parts of polylactic acid;
30 parts of polyhydroxyalkanoate;
3 parts of 1, 6-hexamethylene diisocyanate;
2 parts of elemene essential oil;
10102 parts of an antioxidant;
2 parts of talcum powder.
The preparation method comprises the following steps: uniformly mixing polybutylene succinate, polylactic acid, polyhydroxyalkanoate, 1, 6-hexamethylene diisocyanate, elemene essential oil, antioxidant 1010 and talcum powder according to the adding proportion to obtain a mixture, adding the mixture into a double-screw extruder, extruding, granulating, cooling and granulating to obtain a degradable extrusion-grade PBS material; wherein the extrusion temperature of the extruder is: the screw speed was 300rpm at 200 ℃.
Example 4
The degradable extrusion grade PBS material is prepared from the following raw materials in parts by weight:
60 parts of polybutylene succinate;
30 parts of polylactic acid;
30 parts of polyhydroxyalkanoate;
5 parts of 1, 6-hexamethylene diisocyanate;
2 parts of elemene essential oil;
10102 parts of an antioxidant;
2 parts of talcum powder.
The preparation method comprises the following steps: uniformly mixing polybutylene succinate, polylactic acid, polyhydroxyalkanoate, 1, 6-hexamethylene diisocyanate, elemene essential oil, antioxidant 1010 and talcum powder according to the adding proportion to obtain a mixture, adding the mixture into a double-screw extruder, extruding, granulating, cooling and granulating to obtain a degradable extrusion-grade PBS material; wherein the extrusion temperature of the extruder is: the screw speed was 300rpm at 200 ℃.
Comparative example 1
The degradable extrusion grade PBS material is prepared from the following raw materials in parts by weight:
60 parts of polybutylene succinate;
30 parts of polylactic acid;
30 parts of polyhydroxyalkanoate;
5 parts of 1, 6-hexamethylene diisocyanate;
10102 parts of an antioxidant;
2 parts of talcum powder.
The preparation method comprises the following steps: uniformly mixing polybutylene succinate, polylactic acid, polyhydroxyalkanoate, 1, 6-hexamethylene diisocyanate, antioxidant 1010 and talcum powder according to the adding proportion to obtain a mixture, adding the mixture into a double-screw extruder, extruding, granulating, cooling and granulating to obtain a degradable extrusion-grade PBS material; wherein the extrusion temperature of the extruder is: the screw speed was 300rpm at 200 ℃.
Comparative example 2
The degradable extrusion grade PBS material is prepared from the following raw materials in parts by weight:
60 parts of polybutylene succinate;
30 parts of polylactic acid;
30 parts of polyhydroxyalkanoate;
2 parts of elemene essential oil;
10102 parts of an antioxidant;
2 parts of talcum powder.
The preparation method comprises the following steps: uniformly mixing polybutylene succinate, polylactic acid, polyhydroxyalkanoate, elemene essential oil, antioxidant 1010 and talcum powder according to the adding proportion to obtain a mixture, adding the mixture into a double-screw extruder, extruding, granulating, cooling and granulating to obtain a degradable extrusion-grade PBS material; wherein the extrusion temperature of the extruder is: the screw speed was 300rpm at 200 ℃.
And (3) testing: the degradable extrusion grade PBS materials prepared in examples 1-4 and comparative examples 1-2 were tested for their properties, respectively, and the tensile strength, the breaking growth rate and the antibacterial effect of the degradable materials were tested.
The tensile strength test is carried out by using a universal tester according to GB/T1040-1992, and the tensile strength is 5mm/min; the fracture growth rate is tested according to the relevant regulations in the standard GB/T1040-2006 "method for testing tensile Property of plastics"; and (3) testing the antibacterial performance, and detecting two strains of escherichia coli and staphylococcus aureus according to GBT21510-2008 according to a detection basis and a detection method.
The test results are shown in table 1:
| examples | Tensile Strength (MPa) | Fracture growth Rate (%) | Antibacterial efficiency (%) |
| Example 1 | 30 | 73.5 | 92.5 |
| Example 2 | 28 | 70.8 | 93.8 |
| Example 3 | 32 | 75.2 | 91.6 |
| Example 4 | 27 | 73.6 | 94.3 |
| Comparative example 1 | 15 | 55.3 | 20.8 |
| Comparative example 2 | 10 | 30.8 | 90.3 |
TABLE 1
As can be seen from the data in table 1, when the degradable extrusion grade PBS material is prepared, the addition of the compatibilizer can obviously improve the tensile strength and the fracture growth rate of the prepared material; the addition of the elemene essential oil can further improve the tensile strength and the fracture growth rate of the prepared degradable extrusion-grade PBS material, and simultaneously can enable the prepared degradable extrusion-grade PBS material to have certain antibacterial performance.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (9)
1. The degradable extrusion-grade PBS material is characterized by comprising the following preparation raw materials in parts by weight:
50-70 parts of polybutylene succinate;
30-35 parts of polylactic acid;
25-35 parts of polyhydroxyalkanoate;
3-5 parts of compatibilizer;
1-2 parts of elemene essential oil;
1-2 parts of an antioxidant;
1-2 parts of nucleating agent.
2. A degradable extrusion grade PBS material as set forth in claim 1, wherein: the melt index of the polylactic acid is 2-5g/10min under the condition of 2.16kg and 190 ℃.
3. A degradable extrusion grade PBS material as set forth in claim 1, wherein: the polyhydroxyalkanoate is at least one of a copolymer of 3-hydroxybutyrate and 4-hydroxybutyrate, a copolymer of hydroxycaproate and 3-hydroxybutyrate, a copolymer of hydroxyoctanoate and 3-hydroxybutyrate, and a copolymer of hydroxydodecanoate and 3-hydroxybutyrate.
4. A degradable extrusion grade PBS material as set forth in claim 1, wherein: the compatibilizer is 1, 6-hexamethylene diisocyanate.
5. A degradable extrusion grade PBS material as set forth in claim 1, wherein: at least one of antioxidant 1010, antioxidant 1076, antioxidant 2246 and antioxidant 168 is described.
6. A degradable extrusion grade PBS material as set forth in claim 1, wherein: the nucleating agent is at least one of talcum powder, calcium carbonate, silicon dioxide and titanium dioxide.
7. A method for preparing a degradable extrusion grade PBS material, comprising the steps of: uniformly mixing polybutylene succinate, polylactic acid, polyhydroxyalkanoate, rong Chuji, an antioxidant and a nucleating agent according to corresponding adding proportions to obtain a mixture, adding the mixture into an extruder, extruding, granulating, cooling and granulating to obtain the degradable extrusion-grade PBS material.
8. The method of manufacturing according to claim 7, wherein: the extruder adopts a double-screw extruder, and the extrusion temperature of the extruder is as follows: the temperature of 180-210 ℃ and the rotating speed of the screw rod of 100-500rpm.
9. Use of a degradable extrusion grade PBS material as claimed in any one of claims 1-6 for the preparation of packaging materials and disposable cutlery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311505987.8A CN117700943A (en) | 2023-11-13 | 2023-11-13 | Degradable extrusion-grade PBS material and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311505987.8A CN117700943A (en) | 2023-11-13 | 2023-11-13 | Degradable extrusion-grade PBS material and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117700943A true CN117700943A (en) | 2024-03-15 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311505987.8A Pending CN117700943A (en) | 2023-11-13 | 2023-11-13 | Degradable extrusion-grade PBS material and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117700943A (en) |
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2023
- 2023-11-13 CN CN202311505987.8A patent/CN117700943A/en active Pending
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