CN104927323B - A kind of PLA composite - Google Patents
A kind of PLA composite Download PDFInfo
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- CN104927323B CN104927323B CN201510362050.9A CN201510362050A CN104927323B CN 104927323 B CN104927323 B CN 104927323B CN 201510362050 A CN201510362050 A CN 201510362050A CN 104927323 B CN104927323 B CN 104927323B
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- parts
- plasticiser
- pla
- polyethylene terephthalate
- toughener
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- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 239000004626 polylactic acid Substances 0.000 claims abstract description 43
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 32
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 32
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 27
- 239000004014 plasticizer Substances 0.000 claims abstract description 18
- 239000000314 lubricant Substances 0.000 claims abstract description 15
- 239000003381 stabilizer Substances 0.000 claims abstract description 15
- 239000012745 toughening agent Substances 0.000 claims abstract description 15
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 10
- -1 polyethylene terephthalate Polymers 0.000 claims description 9
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 3
- FJRUWRJAJNEIKD-UHFFFAOYSA-N 2,3-dihydro-1,4-benzodioxine-6,7-diamine Chemical group O1CCOC2=C1C=C(N)C(N)=C2 FJRUWRJAJNEIKD-UHFFFAOYSA-N 0.000 claims description 2
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 2
- 239000005662 Paraffin oil Substances 0.000 claims description 2
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- 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 group 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 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000008117 stearic acid Substances 0.000 claims description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims 2
- WWNGFHNQODFIEX-UHFFFAOYSA-N buta-1,3-diene;methyl 2-methylprop-2-enoate;styrene Chemical compound C=CC=C.COC(=O)C(C)=C.C=CC1=CC=CC=C1 WWNGFHNQODFIEX-UHFFFAOYSA-N 0.000 claims 1
- 150000002148 esters Chemical group 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229920001897 terpolymer Polymers 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 12
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000006065 biodegradation reaction Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 1
- 229920000229 biodegradable polyester Polymers 0.000 description 1
- 239000004622 biodegradable polyester Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000010102 injection blow moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000052 poly(p-xylylene) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920006126 semicrystalline polymer Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of PLA composite, it includes the raw material of following parts by weight：Polylactic acid（PLA）40 ~ 65 parts, 10 ~ 20 parts of anhydrous sodium sulfate, polyethylene terephthalate（PET）15 ~ 30 parts, 5 ~ 10 parts of toughener, 0.2 ~ 0.6 part of stabilizer, 2 ~ 6 parts of plasticiser, 0.4 ~ 1 part of lubricant.A kind of PLA composite of the present invention improves toughness and the heat resistance of poly-lactic acid material, and has good molding processibility, makes poly-lactic acid material have wider range of application.
Description
Technical field
The present invention relates to technical field of polymer composite materials is and in particular to a kind of PLA composite.
Background technology
Polylactic acid（PLA）It is a kind of Biodegradable polyester of synthetic, there is good heat stability, processing temperature
170～230 DEG C；There is excellent solvent resistance simultaneously, available various ways are processed, such as spinning, extruding, biaxial stretch-formed,
Injection-blow molding.Outside the product decapacitation biodegradation being made up of polylactic acid, biocompatibility, glossiness, the transparency, feel and heat-resisting
Property good, clothing can be widely used in as packaging material, fiber and non-woven fabric etc.（Coat, underwear）, industry（Building, woods
Industry, agricultural, papermaking）With fields such as health cares.The production process of polylactic acid is pollution-free, and product can be real with biodegradation
Circulation in nature, is therefore preferable Green Polymer Material now.
But because polylactic acid is semi-crystalline polymer, its glass transition temperature is high, has thus resulted in its poor toughness, crisp
The big shortcoming of property, and the thermostability of poly-lactic acid material itself is poor, limits the application model of PLA material to a certain extent
Enclose.
Content of the invention
It is not enough that the present invention is directed to prior art, there is provided a kind of toughness reinforcing and PLA composite that heat resistance is good.
The present invention solve above-mentioned technical problem adopt technical scheme be：
A kind of PLA composite of the present invention, it includes the raw material of following parts by weight：
Polylactic acid（PLA）40 ~ 65 parts
10 ~ 20 parts of anhydrous sodium sulfate
Polyethylene terephthalate（PET）15 ~ 30 parts
5 ~ 10 parts of toughener
0.2 ~ 0.6 part of stabilizer
2 ~ 6 parts of plasticiser
0.4 ~ 1 part of lubricant.
Preferably, described polyethylene terephthalate for polyethylene terephthalate standard level PET or
Polyethylene terephthalate reclaims level PET.
Preferably, described toughener is ethylene-vinyl acetate copolymer（) or methyl methacrylate-fourth two EVA
Alkene-styrene copolymer (MBS).
Preferably, described plasticiser is DEDB plasticiser or dioctyl phthalate plasticiser.
Preferably, described stabilizer is antioxidant 1010 and ultraviolet absorber UV-P mass ratio 1：1 compound.
Preferably, described lubricant is stearic acid or paraffin oil.
Preferably, a kind of described PLA composite, it includes the raw material of following parts by weight：
Polylactic acid（PLA）50 parts
15 parts of anhydrous sodium sulfate
Polyethylene terephthalate（PET）23 parts
7 parts of toughener
0.4 part of stabilizer
4 parts of plasticiser
0.6 part of lubricant.
Preferably, a kind of described PLA composite, it includes the raw material of following parts by weight：
Polylactic acid（PLA）60 parts
12 parts of anhydrous sodium sulfate
Polyethylene terephthalate（PET）18 parts
6 parts of toughener
0.4 part of stabilizer
3 parts of plasticiser
0.6 part of lubricant.
Preferably, a kind of described PLA composite, it includes the raw material of following parts by weight：
Polylactic acid（PLA）45 parts
18 parts of anhydrous sodium sulfate
Polyethylene terephthalate（PET）25 parts
7 parts of toughener
0.4 part of stabilizer
4 parts of plasticiser
0.6 part of lubricant.
Compared with prior art, a kind of PLA composite that the present invention provides adopts thermostability, obdurability, safety excellent
Good non-engineering level PET thermoplastic resin improvement PLA polyester, is aided with the auxiliary agent strengthening good characteristic（Toughener, stabilizer, mould
Agent and lubricant）And inorganic anhydrous sodium sulfate filler, improve toughness and the heat resistance of poly-lactic acid material, and have good
Molding processibility, make poly-lactic acid material have wider range of application.
Specific embodiment
With reference to specific embodiment, the present invention is described further.
Embodiment 1：A kind of PLA composite, it includes the raw material of following parts by weight：
Polylactic acid（PLA）50 parts
15 parts of anhydrous sodium sulfate
Polyethylene terephthalate（PET）23 parts
7 parts of toughener
0.4 part of stabilizer
4 parts of plasticiser
0.6 part of lubricant.
Preparation technology：It is on the waiting list described raw material by above-mentioned parts by weight, and at PLA, PET raw material is dried at 50 ~ 70 DEG C
Reason 8 ~ 10h, is placed in high-speed mixer and mixing uniformly together with other raw materials being on the waiting list after cooling, the material after mixing is placed in double
In screw extruder, melt extrude the composite that pelletize had both obtained the present invention at 230 ~ 270 DEG C.
Embodiment 2：A kind of PLA composite, it includes the raw material of following parts by weight：
Polylactic acid（PLA）60 parts
12 parts of anhydrous sodium sulfate
Polyethylene terephthalate（PET）18 parts
6 parts of toughener
0.4 part of stabilizer
3 parts of plasticiser
0.6 part of lubricant.
Preparation technology is with embodiment 1.
Embodiment 3：A kind of PLA composite, it includes the raw material of following parts by weight：
Polylactic acid（PLA）45 parts
18 parts of anhydrous sodium sulfate
Polyethylene terephthalate（PET）25 parts
7 parts of toughener
0.4 part of stabilizer
4 parts of plasticiser
0.6 part of lubricant.
Preparation technology is with embodiment 1.
Embodiment 3：A kind of PLA composite, it includes the raw material of following parts by weight：
Polylactic acid（PLA）51 parts
20 parts of anhydrous sodium sulfate
Polyethylene terephthalate（PET）15 parts
10 parts of toughener
0.5 part of stabilizer
2.5 parts of plasticiser
1 part of lubricant.
Preparation technology is with embodiment 1.
Following table is a kind of the performance test results of PLA composite of the present invention, and wherein, the testing standard of tensile strength is
GB/T1040, the testing standard of bending strength is GB/T9341, and the testing standard of heat distortion temperature is GB/T1634, test result
It is specially：
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Reference examples * |
| Tensile strength/MPa | 97 | 91 | 93 | 84 | 49 |
| Bending strength/MPa | 123 | 111 | 114 | 102 | 62 |
| Heat distortion temperature/DEG C | 128 | 125 | 120 | 136 | 55 |
* reference examples are pure PLA material, after PLA is with the preparation technology drying described in embodiment 1, melting, extrusion, pelletize
Obtain this reference examples material.
Claims (1)
1. a kind of PLA composite it is characterised in that the material composition of this PLA composite represent by weight including：
50 parts of polylactic acid, 15 parts of anhydrous sodium sulfate, 23 parts of polyethylene terephthalate, 7 parts of toughener, stabilizer 0.4
Part, 4 parts of plasticiser, 0.6 part of lubricant；
Or 60 parts of polylactic acid, 12 parts of anhydrous sodium sulfate, 18 parts of polyethylene terephthalate, 6 parts of toughener, stabilizer 0.4
Part, 3 parts of plasticiser, 0.6 part of lubricant；Or polylactic acid（PLA）45 parts, 18 parts of anhydrous sodium sulfate, polyethylene terephthalate
Ester（PET）25 parts, 7 parts of toughener, 0.4 part of stabilizer, 4 parts of plasticiser, 0.6 part of lubricant；
Described polyethylene terephthalate is polyethylene terephthalate standard level PET or poly terephthalic acid second two
Alcohol ester reclaims level PET；
Described toughener is ethylene-vinyl acetate copolymer or methyl methacrylate-butadiene-styrene terpolymer
Thing；
Described plasticiser is DEDB plasticiser or dioctyl phthalate plasticiser；
Described stabilizer is antioxidant 1010 and ultraviolet absorber UV-P mass ratio 1：1 compound；
Described lubricant is stearic acid or paraffin oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510362050.9A CN104927323B (en) | 2015-06-26 | 2015-06-26 | A kind of PLA composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510362050.9A CN104927323B (en) | 2015-06-26 | 2015-06-26 | A kind of PLA composite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104927323A CN104927323A (en) | 2015-09-23 |
| CN104927323B true CN104927323B (en) | 2017-03-01 |
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ID=54114761
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510362050.9A Active CN104927323B (en) | 2015-06-26 | 2015-06-26 | A kind of PLA composite |
Country Status (1)
| Country | Link |
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| CN (1) | CN104927323B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040396B (en) * | 2019-05-24 | 2022-03-18 | 包头稀土研究院 | Composite material and preparation method thereof |
| CN110358274A (en) * | 2019-08-21 | 2019-10-22 | 合肥恒鑫环保科技有限公司 | A kind of high grade of transparency PLA material |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102504504B (en) * | 2011-10-10 | 2013-06-12 | 奇瑞汽车股份有限公司 | High-impact-resistance heat-resistant polylactic acid alloy material and preparation method thereof |
| CN104592730B (en) * | 2015-01-04 | 2016-09-14 | 南通日之升高分子新材料科技有限公司 | A kind of polylactic acid/polyester alloy and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Inventor after: Lin Cunge Inventor after: Lin Xiang Inventor before: Dai Xiaochen |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161223 Address after: 273200 Surabaya Development Zone, Shandong Province Feng Feng Road, No. 19, Applicant after: Lin Cunge Applicant after: Lin Xiang Address before: 215104 Wuzhong District, Jiangsu, Yue Yue Street, South Guandu Road, No., No. 6 Applicant before: SUZHOU YUNSHU NEW MATERIAL SCIENCE & TECHNOLOGY CO., LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200312 Address after: 273200, Shandong, Jining, Surabaya County, No. 019, Feng Quan Road (Surabaya Qi Industrial Park Co., Ltd.) Patentee after: Shandong Tian Ren Haihua bio Polytron Technologies Inc Address before: 273200 Surabaya Development Zone, Shandong Province Feng Feng Road, No. 19, Co-patentee before: Lin Xiang Patentee before: Lin Cunge |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A PLA Composite Effective date of registration: 20211227 Granted publication date: 20170301 Pledgee: Shandong Sishui Rural Commercial Bank Co., Ltd Pledgor: Shandong Tian Ren Haihua bio Polytron Technologies Inc. Registration number: Y2021980016584 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |