CN111718566A - PLA/PBAT biodegradable composite material and product thereof - Google Patents
PLA/PBAT biodegradable composite material and product thereof Download PDFInfo
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- CN111718566A CN111718566A CN201910219597.1A CN201910219597A CN111718566A CN 111718566 A CN111718566 A CN 111718566A CN 201910219597 A CN201910219597 A CN 201910219597A CN 111718566 A CN111718566 A CN 111718566A
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- 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
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- 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
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- 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
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- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- Biological Depolymerization Polymers (AREA)
Abstract
The invention relates to the technical field of high polymer materials, and particularly discloses a PLA/PBAT biodegradable composite material and a product thereof. The PLA/PBAT biodegradable composite material comprises 33-95.9 parts by mass of polylactic acid (PLA), 3-60 parts by mass of polybutylene adipate terephthalate (PBAT), 1-5 parts by mass of a compatilizer and 0.1-2 parts by mass of a chain extender. The PLA/PBAT biodegradable composite material has the characteristics of PLA and PBAT, and has high impact strength and good toughness.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of high polymer materials, in particular to a PLA/PBAT biodegradable composite material and a product thereof.
[ background of the invention ]
Polylactic acid (PLA) is a novel biodegradable material made using starch raw materials extracted from renewable plant resources such as corn, potatoes, etc. The starch raw material is saccharified to obtain glucose, the glucose and certain strains are fermented to prepare high-purity lactic acid, and the polylactic acid with certain molecular weight is synthesized by a chemical synthesis method.
PLA has good biodegradability, can be completely degraded by microorganisms in the nature after being used, finally generates carbon dioxide and water, does not pollute the environment, is very favorable for protecting the environment, and is a well-known environment-friendly material. Therefore, PLA is widely used in daily-use consumables such as films and plates. However, pure PLA alone cannot be used in products for higher elongation applications due to its brittle, poor impact and tear resistance.
Therefore, there is a need to develop a novel biodegradable composite material to solve the above problems.
[ summary of the invention ]
The invention aims to provide a PLA/PBAT biodegradable composite material which has the characteristics of both PLA and PBAT, high impact strength and good toughness.
In order to achieve the purpose, the invention adopts the following technical scheme:
a PLA/PBAT biodegradable composite material comprises the following components in parts by mass:
33-95.9 parts by mass of polylactic acid;
3-60 parts by mass of polybutylene adipate terephthalate;
1-5 parts by mass of a compatibilizer; and
0.1-2 parts by mass of a chain extender.
In the present invention, the polylactic acid is preferably L-polylactic acid or D-polylactic acid.
In the present invention, the polylactic acid preferably has an optical purity of 80 to 100% and a weight-average molecular weight of 20000 to 300000.
Preferably, the chain extender is a styrene-acrylate-epoxy acrylate copolymer.
In a preferred embodiment of the present invention, the compatibilizer is at least one of ethylene propylene diene monomer grafted maleic anhydride (EPDM-g-MAH), styrene-butadiene-styrene copolymer grafted maleic anhydride (SBS-g-MAH), styrene-ethylene-butyl copolymer grafted maleic anhydride (SEBS-g-MAH), polyethylene octene copolymer grafted maleic anhydride (POE-g-MAH), and ethylene methyl acrylate grafted glycidyl methacrylate (EBA-g-GMA).
The coating composition preferably further comprises 0-10 parts by mass of a filler, wherein the filler is at least one of talcum powder, wollastonite, barium sulfate, silicon dioxide and calcium carbonate.
Preferably, the mesh number of the filler is 1500 to 12000.
An article is made of the PLA/PBAT biodegradable composite material.
Preferably, the product is a straw, a wet tissue cover or a disposable packaging clip.
The invention has the beneficial effects that: according to the biodegradable composite material provided by the invention, PLA and PBAT copolymer are compounded, and the compatilizer and the chain extender are added, so that the PLA and PBAT have good compatibility and a synergistic effect, and the PLA/PBAT biodegradable composite material provided by the invention has the characteristics of PLA and PBAT, and is high in impact strength and good in toughness. In addition, the biodegradable film has good environmental benefit and wide application prospect due to biodegradability.
[ detailed description ] embodiments
A PLA/PBAT biodegradable composite material comprises 33-95.9 parts by mass of polylactic acid (PLA), 3-60 parts by mass of polybutylene adipate terephthalate (PBAT), 1-5 parts by mass of a compatilizer and 0.1-2 parts by mass of a chain extender.
Specifically, the polylactic acid in the present invention is L-polylactic acid or D-polylactic acid. Wherein the optical purity of the polylactic acid is 80-100%, and the weight average molecular weight of the polylactic acid is 20000-300000.
The compatilizer in the invention is at least one of ethylene propylene diene monomer grafted maleic anhydride (EPDM-g-MAH), styrene-butadiene-styrene copolymer grafted maleic anhydride (SBS-g-MAH), styrene-ethylene-butyl copolymer grafted maleic anhydride (SEBS-g-MAH), polyethylene octene copolymer grafted maleic anhydride (POE-g-MAH) and ethylene methyl acrylate grafted glycidyl methacrylate (EBA-g-GMA).
The chain extender in the invention is styrene-acrylate-epoxy acrylate copolymer. By adding the chain extender, the ester exchange between PLA and PBAT can be reduced, and the compatibility of the PLA and the PBAT can be increased.
In order to further improve the flexural modulus of the composite material, 0-10 parts by mass of filler can be added into the composite material. Wherein the filler is at least one of talcum powder, wollastonite, barium sulfate, silicon dioxide and calcium carbonate. Preferably, the mesh number of the filler is 1500-12000.
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the present invention will be described in detail with reference to the following embodiments.
Example 1
A PLA/PBAT biodegradable composite material comprises 91.7 parts by mass of polylactic acid (PLA), 5 parts by mass of polybutylene adipate terephthalate (PBAT), 3 parts by mass of polyethylene octene copolymer grafted maleic anhydride (POE-g-MAH) and 0.3 part by mass of styrene-acrylate-epoxy acrylate copolymer.
Weighing the corresponding components according to the proportion, mixing and stirring the components uniformly, putting the components into a double-screw extruder for melt blending and extrusion granulation, and thus obtaining the PLA/PBAT biodegradable composite material.
Comparative example 1
A PLA/PBAT biodegradable composite material comprises 92 parts by mass of polylactic acid (PLA), 5 parts by mass of polybutylene adipate terephthalate (PBAT) and 3 parts by mass of polyethylene octene copolymer grafted maleic anhydride (POE-g-MAH).
Weighing the corresponding components according to the proportion, mixing and stirring the components uniformly, putting the components into a double-screw extruder for melt blending and extrusion granulation, and thus obtaining the PLA/PBAT biodegradable composite material.
Example 2
A PLA/PBAT biodegradable composite material comprises 63.7 parts by mass of polylactic acid (PLA), 30 parts by mass of polybutylene adipate terephthalate (PBAT), 3 parts by mass of polyethylene octene copolymer grafted maleic anhydride (POE-g-MAH), 0.3 part by mass of styrene-acrylate-epoxy acrylate copolymer and 3 parts by mass of talcum powder.
Weighing the corresponding components according to the proportion, mixing and stirring the components uniformly, putting the components into a double-screw extruder for melt blending and extrusion granulation, and thus obtaining the PLA/PBAT biodegradable composite material.
Comparative example 2
A PLA/PBAT biodegradable composite material comprises 66.7 parts by mass of polylactic acid (PLA), 30 parts by mass of polybutylene adipate terephthalate (PBAT), 3 parts by mass of polyethylene octene copolymer grafted maleic anhydride (POE-g-MAH and 0.3 part by mass of styrene-acrylate-epoxy acrylate copolymer.
Weighing the corresponding components according to the proportion, mixing and stirring the components uniformly, putting the components into a double-screw extruder for melt blending and extrusion granulation, and thus obtaining the PLA/PBAT biodegradable composite material.
The PLA/PBAT biodegradable composites prepared in examples 1 and 2 and the PLA/PBAT biodegradable composites prepared in comparative examples 1 and 2 were respectively added to an injection molding machine for injection molding to obtain standard sample bars, and the performance of the standard sample bars was tested according to the relevant standards, with the test standards and test results shown in table 1 below.
TABLE 1 test results
From the test results of the example 1 and the comparative example 1 in table 1, it can be seen that the PLA/PBAT biodegradable composite material of the example 1 has higher elongation at break and impact strength, that is, the impact resistance and toughness of the PLA/PBAT biodegradable composite material can be improved by adding a certain proportion of chain extender into the PLA/PBAT biodegradable composite material. From the test results of the example 2 and the comparative example 2 in the table 1, it can be seen that the PLA/PBAT biodegradable composite material of the example 2 has higher elongation at break, lower flexural strength and higher flexural modulus, that is, the toughness of the PLA/PBAT biodegradable composite material can be improved by adding a certain proportion of fillers such as talc powder into the PLA/PBAT biodegradable composite material.
Therefore, the PLA/PBAT biodegradable composite material has the characteristics of PLA and PBAT, and has high impact strength and good toughness. In addition, the PLA and the PBAT can be biodegraded, so the PLA/PBAT biodegradable composite material has good environmental benefit and wide application prospect.
The invention also provides an article made from the PLA/PBAT biodegradable composite material of the invention. Wherein, the product can be a straw, a wet tissue cover or a disposable packing clip and the like.
The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the present invention and should not be construed as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (9)
1. A PLA/PBAT biodegradable composite material is characterized by comprising the following components in parts by mass:
33-95.9 parts by mass of polylactic acid;
3-60 parts by mass of polybutylene adipate terephthalate;
1-5 parts by mass of a compatibilizer; and
0.1-2 parts by mass of a chain extender.
2. The PLA/PBAT biodegradable composite of claim 1, wherein the polylactic acid is L-polylactic acid or D-polylactic acid.
3. The PLA/PBAT biodegradable composite material according to claim 2, characterized in that the optical purity of the polylactic acid is 80-100%, and the weight average molecular weight of the polylactic acid is 20000-300000.
4. The PLA/PBAT biodegradable composite of claim 1, wherein the chain extender is a styrene-acrylate-epoxyacrylate copolymer.
5. The PLA/PBAT biodegradable composite material of claim 1, characterized in that the compatibilizer is at least one of ethylene propylene diene monomer grafted maleic anhydride (EPDM-g-MAH), styrene-butadiene-styrene copolymer grafted maleic anhydride (SBS-g-MAH), styrene-ethylene-butyl copolymer grafted maleic anhydride (SEBS-g-MAH), polyethylene octene copolymer grafted maleic anhydride (POE-g-MAH), ethylene methyl acrylate grafted glycidyl methacrylate (EBA-g-GMA).
6. The PLA/PBAT biodegradable composite material as claimed in claim 1, further comprising 0-10 parts by mass of a filler, wherein the filler is at least one of talc powder, wollastonite, barium sulfate, silica and calcium carbonate.
7. The PLA/PBAT biodegradable composite material of claim 6, wherein the mesh number of the filler is 1500-12000.
8. An article characterized in that it is made of a PLA/PBAT biodegradable composite according to any of claims 1 to 7.
9. The article of claim 8, wherein the article is a straw, a wet wipe cover, or a disposable packaging clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910219597.1A CN111718566A (en) | 2019-03-22 | 2019-03-22 | PLA/PBAT biodegradable composite material and product thereof |
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| CN201910219597.1A CN111718566A (en) | 2019-03-22 | 2019-03-22 | PLA/PBAT biodegradable composite material and product thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409801A (en) * | 2020-11-18 | 2021-02-26 | 浙江晟祺实业有限公司 | Degradable packaging material and preparation process thereof |
| CN112538321A (en) * | 2020-12-09 | 2021-03-23 | 联泓(江苏)新材料研究院有限公司 | Degradable self-adhesive film material and preparation method and application thereof |
| CN112708247A (en) * | 2020-12-28 | 2021-04-27 | 生刚 | Resin modification for producing winding film by biodegradable material and preparation method thereof |
| CN112759901A (en) * | 2020-12-29 | 2021-05-07 | 四川坤源杰环保科技有限公司 | Micro-crystallization toughening modified PBS or PBAT biodegradable composite material |
| CN112920559A (en) * | 2021-01-18 | 2021-06-08 | 余姚市康乐彩印包装有限公司 | Antibacterial high-strength biodegradable plastic bag and preparation method thereof |
| CN113045879A (en) * | 2021-03-16 | 2021-06-29 | 漯河市瑞博塑胶有限公司 | High-tear-resistance PLA-PBAT composite degradable resin and preparation method and application thereof |
| CN113637299A (en) * | 2021-08-27 | 2021-11-12 | 昌亚新材料科技有限公司 | Heat-resistant and impact-resistant polylactic acid composite material and preparation method and application thereof |
| CN113736129A (en) * | 2021-09-18 | 2021-12-03 | 南京工业大学 | Lignin-containing biodegradable polyester composite bead foaming material with high crystallization rate and preparation method thereof |
| CN114085507A (en) * | 2021-10-29 | 2022-02-25 | 苏州星火丰盈环保包装有限公司 | PLA biodegradable composite material and preparation method thereof |
| CN114539749A (en) * | 2022-03-09 | 2022-05-27 | 莱涤新材料(宁波)有限公司 | Biodegradable high-toughness polylactic acid straw |
| CN114702799A (en) * | 2022-03-09 | 2022-07-05 | 莱涤新材料(宁波)有限公司 | Biodegradable polylactic acid plastic uptake sheet |
| CN114773808A (en) * | 2022-05-24 | 2022-07-22 | 广州原烁新材料科技有限公司 | Polylactic acid composite degradable material |
| CN115558257A (en) * | 2021-12-29 | 2023-01-03 | 嘉兴高正新材料科技股份有限公司 | High-toughness high-temperature-resistant novel high polymer material and preparation method and application thereof |
| WO2023068447A1 (en) * | 2021-10-18 | 2023-04-27 | 주식회사 엘지화학 | Resin composition and biodegradable resin molded product comprising same |
| WO2024096478A1 (en) * | 2022-10-31 | 2024-05-10 | 주식회사 엘지화학 | Resin composition and biodegradable resin molded product comprising same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102702704A (en) * | 2012-06-19 | 2012-10-03 | 张家港柴能生物科技有限公司 | Degradable polylactic acid (PLA) composite material and preparation method thereof |
| CN103254597A (en) * | 2013-05-22 | 2013-08-21 | 广东益德环保科技有限公司 | PLA/PBAT biodegradable composite material and preparation method thereof |
| CN103627153A (en) * | 2012-08-20 | 2014-03-12 | 上海杰事杰新材料(集团)股份有限公司 | Entire biodegradation PLA/PBAT composite material and preparing method therefor |
| CN105086395A (en) * | 2015-09-02 | 2015-11-25 | 深圳王子新材料股份有限公司 | Biodegradable composite and preparation method thereof |
| CN109486083A (en) * | 2018-12-20 | 2019-03-19 | 吉林中粮生化有限公司 | A kind of biodegradable blend film and preparation method thereof |
-
2019
- 2019-03-22 CN CN201910219597.1A patent/CN111718566A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102702704A (en) * | 2012-06-19 | 2012-10-03 | 张家港柴能生物科技有限公司 | Degradable polylactic acid (PLA) composite material and preparation method thereof |
| CN103627153A (en) * | 2012-08-20 | 2014-03-12 | 上海杰事杰新材料(集团)股份有限公司 | Entire biodegradation PLA/PBAT composite material and preparing method therefor |
| CN103254597A (en) * | 2013-05-22 | 2013-08-21 | 广东益德环保科技有限公司 | PLA/PBAT biodegradable composite material and preparation method thereof |
| CN105086395A (en) * | 2015-09-02 | 2015-11-25 | 深圳王子新材料股份有限公司 | Biodegradable composite and preparation method thereof |
| CN109486083A (en) * | 2018-12-20 | 2019-03-19 | 吉林中粮生化有限公司 | A kind of biodegradable blend film and preparation method thereof |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409801A (en) * | 2020-11-18 | 2021-02-26 | 浙江晟祺实业有限公司 | Degradable packaging material and preparation process thereof |
| CN112538321B (en) * | 2020-12-09 | 2022-11-22 | 联泓(江苏)新材料研究院有限公司 | Degradable self-adhesive film material and preparation method and application thereof |
| CN112538321A (en) * | 2020-12-09 | 2021-03-23 | 联泓(江苏)新材料研究院有限公司 | Degradable self-adhesive film material and preparation method and application thereof |
| CN112708247A (en) * | 2020-12-28 | 2021-04-27 | 生刚 | Resin modification for producing winding film by biodegradable material and preparation method thereof |
| CN112759901A (en) * | 2020-12-29 | 2021-05-07 | 四川坤源杰环保科技有限公司 | Micro-crystallization toughening modified PBS or PBAT biodegradable composite material |
| CN112920559A (en) * | 2021-01-18 | 2021-06-08 | 余姚市康乐彩印包装有限公司 | Antibacterial high-strength biodegradable plastic bag and preparation method thereof |
| CN112920559B (en) * | 2021-01-18 | 2022-03-29 | 余姚市康乐彩印包装有限公司 | Antibacterial high-strength biodegradable plastic bag and preparation method thereof |
| CN113045879A (en) * | 2021-03-16 | 2021-06-29 | 漯河市瑞博塑胶有限公司 | High-tear-resistance PLA-PBAT composite degradable resin and preparation method and application thereof |
| CN113637299A (en) * | 2021-08-27 | 2021-11-12 | 昌亚新材料科技有限公司 | Heat-resistant and impact-resistant polylactic acid composite material and preparation method and application thereof |
| CN113637299B (en) * | 2021-08-27 | 2022-04-05 | 宁波昌亚新材料科技股份有限公司 | Heat-resistant and impact-resistant polylactic acid composite material and preparation method and application thereof |
| CN113736129A (en) * | 2021-09-18 | 2021-12-03 | 南京工业大学 | Lignin-containing biodegradable polyester composite bead foaming material with high crystallization rate and preparation method thereof |
| WO2023068447A1 (en) * | 2021-10-18 | 2023-04-27 | 주식회사 엘지화학 | Resin composition and biodegradable resin molded product comprising same |
| CN114085507A (en) * | 2021-10-29 | 2022-02-25 | 苏州星火丰盈环保包装有限公司 | PLA biodegradable composite material and preparation method thereof |
| CN115558257A (en) * | 2021-12-29 | 2023-01-03 | 嘉兴高正新材料科技股份有限公司 | High-toughness high-temperature-resistant novel high polymer material and preparation method and application thereof |
| CN114702799A (en) * | 2022-03-09 | 2022-07-05 | 莱涤新材料(宁波)有限公司 | Biodegradable polylactic acid plastic uptake sheet |
| CN114539749A (en) * | 2022-03-09 | 2022-05-27 | 莱涤新材料(宁波)有限公司 | Biodegradable high-toughness polylactic acid straw |
| CN114773808A (en) * | 2022-05-24 | 2022-07-22 | 广州原烁新材料科技有限公司 | Polylactic acid composite degradable material |
| WO2024096478A1 (en) * | 2022-10-31 | 2024-05-10 | 주식회사 엘지화학 | Resin composition and biodegradable resin molded product comprising same |
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