CN114015216A - Degradable modified antistatic agent and preparation method thereof - Google Patents
Degradable modified antistatic agent and preparation method thereof Download PDFInfo
- Publication number
- CN114015216A CN114015216A CN202111500256.5A CN202111500256A CN114015216A CN 114015216 A CN114015216 A CN 114015216A CN 202111500256 A CN202111500256 A CN 202111500256A CN 114015216 A CN114015216 A CN 114015216A
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- China
- Prior art keywords
- antistatic agent
- degradable
- pla4032d
- modified antistatic
- modified
- Prior art date
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- 239000002216 antistatic agent Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000004970 Chain extender Substances 0.000 claims abstract description 15
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 14
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 14
- ZMKVBUOZONDYBW-UHFFFAOYSA-N 1,6-dioxecane-2,5-dione Chemical compound O=C1CCC(=O)OCCCCO1 ZMKVBUOZONDYBW-UHFFFAOYSA-N 0.000 claims abstract description 9
- -1 polybutylene succinate Polymers 0.000 claims abstract description 8
- 229920002961 polybutylene succinate Polymers 0.000 claims abstract description 8
- 239000004631 polybutylene succinate Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 13
- 239000008187 granular material Substances 0.000 claims description 11
- 239000000155 melt Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000008188 pellet Substances 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 6
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229920005692 JONCRYL® Polymers 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The invention provides a degradable modified antistatic agent and a preparation method thereof, wherein the modified antistatic agent comprises the following raw materials in parts by mass: PLA4032D 65-70%, polybutylene succinate 20-25%, ADR chain extender 3-5% and carbon nano tube 3-5%. According to the invention, the carbon nano tube is modified by adopting poly (butylene succinate), an ADR chain extender and PLA4032D, so that the modified carbon nano tube with excellent antistatic performance is obtained; it is degradable and has high toughness. The experimental results show that: the tensile strength of the degradable modified antistatic agent is 62-65 MPa, the elongation at break is 180-200%, and the volume resistivity is 1.55 multiplied by 106～2.03×106Ω·cm。
Description
Technical Field
The invention belongs to the technical field of antistatic agents, and particularly relates to a degradable modified antistatic agent and a preparation method thereof.
Background
The traditional antistatic agent is mainly divided into inorganic salts, surfactants, inorganic semiconductors, electrolyte polymer film-forming materials, organic semiconductor polymers and the like. And inorganic salts and inorganic semiconductors can be added into corresponding high polymer materials to play a role by depending on carriers, and the antistatic capability of the materials is not ideal.
Disclosure of Invention
In view of the above, the present invention aims to provide a degradable modified antistatic agent which is degradable and has excellent antistatic property, and a preparation method thereof.
The invention provides a degradable modified antistatic agent, which comprises the following raw materials in parts by mass:
PLA4032D 65-70%, polybutylene succinate 20-25%, ADR chain extender 3-5% and carbon nano tube 3-5%.
In the present invention, the ADR is selected from Joncryl ADR4368 from BASF.
In the invention, the melt index of the PLA4032D is 15-30 g/10min at 210 ℃.
In the invention, the type of the carbon nano tube is FT 6000. The preferred pipe diameter of the carbon nano tube is 7-11 nm. In a specific embodiment, the carbon nanotube is MWCNTS produced by Jiangsu rhizoma kaempferiae.
The antistatic agent provided by the invention can meet the degradable requirement while ensuring the antistatic effect. PLA4032D is easier to be compatible with poly butylene succinate after being subjected to ADR chain extension, and the processing performance and the mechanical property of the material are greatly enhanced.
The invention provides a preparation method of the degradable modified antistatic agent in the technical scheme, which comprises the following steps:
mixing PLA4032D and an ADR chain extender, and granulating to obtain granules;
and blending the granules and poly (butylene succinate), adding carbon nanotubes, and granulating to obtain the degradable modified antistatic agent.
In the invention, the temperature for blending the PLA4032D and the ADR chain extender is 170-180 ℃ and the time is 3-5 min.
In the invention, the blending temperature of the granules and the poly (butylene succinate) is 185-195 ℃.
The invention provides a degradable modified antistatic agent, which comprises the following raw materials in parts by mass: PLA4032D 65-70%, polybutylene succinate 20-25%, ADR chain extender 3-5% and carbon nano tube 3-5%. According to the invention, the carbon nano tube is modified by adopting poly (butylene succinate), an ADR chain extender and PLA4032D, so that the modified carbon nano tube with excellent antistatic performance is obtained; it is degradable and has high toughness. The experimental results show that: the tensile strength of the degradable modified antistatic agent is 62-65 MPa, the elongation at break is 180-200%, and the volume resistivity is 1.55 multiplied by 106～2.03×106Ω·cm。
Drawings
FIG. 1 is a schematic structural diagram of a twin-screw extruder used for preparing the degradable modified antistatic agent.
Detailed Description
In order to further illustrate the present invention, the following examples are given to describe a degradable modified antistatic agent and a preparation method thereof in detail, but they should not be construed as limiting the scope of the present invention.
Example 1
The raw materials of this example adopt the formula in table 1:
TABLE 1
Blending PLA4032D and ADR4368 chain extender at 175 ℃ for 3min by using a double-screw extruder shown in figure 1 for granulation to obtain granules;
and blending the granules and poly (butylene succinate) at 190 ℃, adding the model FT6000D MWCNTS, and granulating to obtain the degradable modified antistatic agent.
Example 2
The raw materials of this example adopt the formula in table 2:
TABLE 2
Blending PLA4032D and ADR4368 chain extender at 175 ℃ for 3min by using a double-screw extruder shown in figure 1 for granulation to obtain granules;
and blending the granules and poly (butylene succinate) at 190 ℃, adding the model FT6000D MWCNTS, and granulating to obtain the degradable modified antistatic agent.
Comparative example 1
95 wt% of PLA4032D and 5 wt% of commercial JL-5P solid antistatic agent are blended and granulated at 180 ℃ to obtain the modified antistatic agent.
Comparative example 2
95 WT% of PLA4032D and 5 WT% of a commercially available JL-WT liquid antistatic agent were blended and granulated at 180 ℃ to obtain a modified antistatic agent.
Comparative example 3
TABLE 3
PLA4032D and a chain extender 6059 are blended for 3min at 175 ℃ by a double-screw extruder shown in figure 1 for granulation to obtain granules;
and blending the granules and poly (butylene succinate) at 190 ℃, adding the model FT6000D MWCNTS, and granulating to obtain the degradable modified antistatic agent.
The present invention performs a performance test on the degradable modified antistatic agents prepared in the above examples and comparative examples, and the results are shown in Table 4:
TABLE 4 Performance test results of the degradable antistatic agents prepared in examples and comparative examples
As can be seen from table 4: the volume resistivity of the modified antistatic agent prepared by the invention is less than 107Omega cm, toughness is also greatly improved. After the alloy is placed for half a month, the change of toughness and resistivity is not obvious, and compared with a comparative example, the stability is stronger after ADR4368 and poly butylene succinate are added in the embodiment.
From the above examples, the invention provides a degradable modified antistatic agent, which comprises the following raw materials in parts by mass: PLA4032D 65-70%, polybutylene succinate 20-25%, ADR chain extender 3-5% and carbon nano tube 3-5%. According to the invention, the carbon nano tube is modified by adopting poly (butylene succinate), an ADR chain extender and PLA4032D, so that the modified carbon nano tube with excellent antistatic performance is obtained; it is degradable and has high toughness. The experimental results show that: the tensile strength of the degradable modified antistatic agent is 62-65 MPa, the elongation at break is 180-200%, and the volume resistivity is 1.55 multiplied by 106～2.03×106Ω·cm。
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A degradable modified antistatic agent comprises the following raw materials in parts by mass:
PLA4032D 65-70%, polybutylene succinate 20-25%, ADR chain extender 3-5% and carbon nano tube 3-5%.
2. The degradable modified antistatic agent of claim 1, said ADR is selected from JoncrylADR4368 from BASF.
3. The degradable modified antistatic agent of claim 1, wherein the melt index of PLA4032D is 15-30 g/10min at 210 ℃.
4. The degradable modified antistatic agent of claim 1, wherein the carbon nanotube is FT 6000.
5. A method for preparing the degradable modified antistatic agent as described in any one of claims 1 to 4, comprising the following steps:
mixing PLA4032D and an ADR chain extender, and granulating to obtain granules;
and blending the granules and poly (butylene succinate), adding carbon nanotubes, and granulating to obtain the degradable modified antistatic agent.
6. The preparation method according to claim 5, wherein the temperature for blending the PLA4032D and the ADR chain extender is 170-180 ℃ and the time is 3-5 min.
7. The preparation method according to claim 5, wherein the blending temperature of the pellets and the polybutylene succinate is 185-195 ℃.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111500256.5A CN114015216B (en) | 2021-12-09 | 2021-12-09 | Degradable modified antistatic agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111500256.5A CN114015216B (en) | 2021-12-09 | 2021-12-09 | Degradable modified antistatic agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114015216A true CN114015216A (en) | 2022-02-08 |
| CN114015216B CN114015216B (en) | 2022-12-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102952383A (en) * | 2011-08-24 | 2013-03-06 | 中国石油化工股份有限公司 | Carbon nanotube/polylactic acid conductive composite material and preparation method |
| US20160177050A1 (en) * | 2014-12-22 | 2016-06-23 | Samsung Electronics Co., Ltd. | Thermoplastic resin composition, molded article made of the thermoplastic resin composition, and method of preparing the thermoplastic resin composition |
| CN109535673A (en) * | 2018-10-22 | 2019-03-29 | 诺思贝瑞新材料科技（苏州）有限公司 | A kind of heat-proof impact-resistant high transparency lactic acid composite material and preparation method thereof |
| CN111004478A (en) * | 2018-11-13 | 2020-04-14 | 江南大学 | High-performance antistatic polyester material and preparation method thereof |
| CN112876745A (en) * | 2021-02-04 | 2021-06-01 | 杭州之西科技有限公司 | Antibacterial biodegradable tableware and preparation method thereof |
-
2021
- 2021-12-09 CN CN202111500256.5A patent/CN114015216B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102952383A (en) * | 2011-08-24 | 2013-03-06 | 中国石油化工股份有限公司 | Carbon nanotube/polylactic acid conductive composite material and preparation method |
| US20160177050A1 (en) * | 2014-12-22 | 2016-06-23 | Samsung Electronics Co., Ltd. | Thermoplastic resin composition, molded article made of the thermoplastic resin composition, and method of preparing the thermoplastic resin composition |
| CN109535673A (en) * | 2018-10-22 | 2019-03-29 | 诺思贝瑞新材料科技（苏州）有限公司 | A kind of heat-proof impact-resistant high transparency lactic acid composite material and preparation method thereof |
| CN111004478A (en) * | 2018-11-13 | 2020-04-14 | 江南大学 | High-performance antistatic polyester material and preparation method thereof |
| CN112876745A (en) * | 2021-02-04 | 2021-06-01 | 杭州之西科技有限公司 | Antibacterial biodegradable tableware and preparation method thereof |
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| CN114015216B (en) | 2022-12-30 |
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Effective date of registration: 20230707 Address after: Wanjiali road 410007 in Hunan province Changsha Yuhua District, three No. 188 Patentee after: CHINA TOBACCO HUNAN INDUSTRIAL Co.,Ltd. Patentee after: HAINAN SHINER INDUSTRIAL Co.,Ltd. Address before: No.18, North photovoltaic Road, shiziling Industrial Park, Xiuying District, Haikou City, Hainan Province, 571152 Patentee before: HAINAN SHINER INDUSTRIAL Co.,Ltd. |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shen Zhiquan Inventor after: Wen Jianhui Inventor after: Yin Donghong Inventor after: Li Tan Inventor after: Wang Junfeng Inventor after: Xing Qingtao Inventor after: Zhao Jie Inventor after: Xu Jia Inventor after: Shen Zhiming Inventor before: Shen Zhiquan Inventor before: Li Tan Inventor before: Wang Junfeng Inventor before: Xing Qingtao Inventor before: Zhao Jie Inventor before: Xu Jia Inventor before: Shen Zhiming |