CN114181509A - Modified antistatic PC plastic - Google Patents
Modified antistatic PC plastic Download PDFInfo
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- CN114181509A CN114181509A CN202111617506.3A CN202111617506A CN114181509A CN 114181509 A CN114181509 A CN 114181509A CN 202111617506 A CN202111617506 A CN 202111617506A CN 114181509 A CN114181509 A CN 114181509A
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- 239000004033 plastic Substances 0.000 title claims abstract description 44
- 229920003023 plastic Polymers 0.000 title claims abstract description 44
- 239000002245 particle Substances 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 38
- RRHXZLALVWBDKH-UHFFFAOYSA-M trimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)OCC[N+](C)(C)C RRHXZLALVWBDKH-UHFFFAOYSA-M 0.000 claims abstract description 22
- 229920000642 polymer Polymers 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000005469 granulation Methods 0.000 claims abstract description 8
- 230000003179 granulation Effects 0.000 claims abstract description 8
- 229920006146 polyetheresteramide block copolymer Polymers 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 239000000243 solution Substances 0.000 claims description 19
- 238000002360 preparation method Methods 0.000 claims description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000003999 initiator Substances 0.000 claims description 12
- 239000000178 monomer Substances 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 230000000977 initiatory effect Effects 0.000 claims description 6
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 17
- 230000005611 electricity Effects 0.000 abstract description 14
- 230000006378 damage Effects 0.000 abstract description 6
- 238000004880 explosion Methods 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000002216 antistatic agent Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000011091 composite packaging material Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VPSXHKGJZJCWLV-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-(1-ethylpiperidin-4-yl)oxypyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)OC1CCN(CC1)CC VPSXHKGJZJCWLV-UHFFFAOYSA-N 0.000 description 1
- KNDAEDDIIQYRHY-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-(piperazin-1-ylmethyl)pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)CN1CCNCC1 KNDAEDDIIQYRHY-UHFFFAOYSA-N 0.000 description 1
- AWFYPPSBLUWMFQ-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]-1-(1,4,6,7-tetrahydropyrazolo[4,3-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)NN=C2 AWFYPPSBLUWMFQ-UHFFFAOYSA-N 0.000 description 1
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 229920001002 functional polymer Polymers 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention provides a modified antistatic PC plastic, which comprises the following steps: step a, preparing antistatic particles; and b, adding 2-8 parts by weight of antistatic particles and 100 parts by weight of PC material into a double-screw extruder for melt extrusion granulation, wherein the extrusion temperature is 180-210 ℃, and the modified PC plastic is obtained, and the antistatic particles comprise the following components: 16-20 parts of polyether ester amide, 3-8 parts of methacryloyloxyethyl trimethyl ammonium chloride polymer, 2-5 parts of maleic anhydride, 8-15 parts of PC material and 5-12 parts of ABS material. The invention can reduce the harm of static electricity to human body and reduce the static electricity generated during the moving and unloading of goods. The danger of burning, explosion and the like caused by static electricity can be prevented in the petrochemical industry. In the industries of electronics, instruments and the like, the problem of damage or aging of electronic components caused by static electricity can be prevented.
Description
Technical Field
The invention belongs to the technical field of plastic modification, and particularly relates to modified anti-static PC plastic.
Background
The materials used in daily life are many synthetic plastic materials, the plastics are all high molecular materials, the volume resistance is more than 1012Omega or more. Thus, good insulating properties of the plastic material are imparted. For this reason, it is highly liable to generate static electricity which in some cases helps our lives, but causes many problems such as causing malfunction or error of electronic equipmentThe action causes electromagnetic interference, breaks down an integrated circuit and a precise electronic element, or promotes the element to age, the static electricity in the production places of various flammable and explosive products, dust and oil mist can even cause explosion and fire, the static electricity can also cause the pollution of the integrated circuit and a semiconductor element due to the dust adsorption in the electronic and electrical industry, and the yield is greatly reduced.
Along with the national emphasis on safety production and the improvement of standards, people increasingly pay more attention to the living health and the working safety, and building fire and explosion are important factors threatening public safety and social development, so that building floors such as flammable and explosive product production workshops, storage warehouses and the like with the requirements of explosion resistance, wear resistance, oil resistance, rust resistance and the like must be constructed by adopting anti-static and non-ignition materials.
In the prior art, the compatibility of an antistatic agent and PC is poor, the performance of the prepared antistatic material is poor, but if the compatibility is too good, the migration speed of the antistatic agent to the surface is too slow, and an antistatic water film is difficult to form.
At present, the antistatic modified plastic materials mainly comprise PE, PP, PVC, PS, ABS and the like, and the PET, PBT, PC and other materials exert the effect of destroying antistatic agents due to overhigh processing temperature, and are modified by a coating method at present.
Disclosure of Invention
The invention provides a modified antistatic PC plastic, which enables the whole plastic to form a conductive network inside and to be distributed in a plastic material in a layered or spherical manner, so that the PC plastic has permanent antistatic performance.
In order to achieve the purposes, the specific scheme is as follows:
a modified antistatic PC plastic comprises the following steps: step a, preparing antistatic particles; and b, adding 2-8 parts by weight of antistatic particles and 100 parts by weight of PC material into a double-screw extruder for melt extrusion granulation, wherein the extrusion temperature is 180-210 ℃, and the modified PC plastic is obtained, and the antistatic particles comprise the following components: 16-20 parts of polyether ester amide, 3-8 parts of methacryloyloxyethyl trimethyl ammonium chloride polymer, 2-5 parts of maleic anhydride, 8-15 parts of PC material and 5-12 parts of ABS material.
The preparation method of the antistatic particles comprises the following steps: uniformly mixing maleic anhydride, a PC material and an ABS material, heating to the temperature of 220-.
The weight portion ratio of the total weight portion of the PC and ABS materials to the weight portion of the maleic anhydride is as follows: 7-8:1.
The ratio of the parts by weight of the methacryloyloxyethyl trimethyl ammonium chloride polymer to the parts by weight of the maleic anhydride is as follows: 1:3.
The ratio of the parts by weight of the polyether ester amide to the parts by weight of the polymerized methacryloyloxyethyl trimethyl ammonium chloride is 8-10: 3.
The preparation method of the methacryloyloxyethyl trimethyl ammonium chloride polymer comprises the following steps: 1) weighing 50-60 parts by weight of methacryloyloxyethyl trimethyl ammonium chloride monomer, 30-40 parts by weight of hydroxyethyl acrylate monomer and 80-120 parts by weight of ethanol aqueous solution, adding into a reaction kettle, and preparing into initial monomer mixed solution; the volume part of ethanol in the ethanol water solution is 20-35%; 2) introducing nitrogen at the rate of 350-5500mL/min, removing air in the reaction kettle, reducing the nitrogen rate to 50mL/min after 5-10min, and weighing initiation aids, namely, tetrasodium ethylenediamine tetraacetate and sodium bisulfite, and adding the initiation aids into the reaction kettle; 3) weighing initiator potassium persulfate to prepare initiator solution of 0.3-0.5 g/ml; heating and stirring, uniformly adding a potassium persulfate initiator solution into the reaction kettle, and keeping the temperature for continuous reaction after the initiator is added; 4) the fourth step reaction solution is heated, stirred and continuously reacted, so that the conversion rate of the reaction is further improved, and the antistatic performance of the fourth step reaction solution is improved; 5) and (3) pouring out the reaction solution, cooling to room temperature, washing for 1-2 times by using acetone, and drying to obtain the methacryloyloxyethyl trimethyl ammonium chloride polymer.
The weight portion ratio of the antistatic particles to the PC material is 2-8: 100.
Compared with the prior art, the invention has the following technical effects:
1. the invention relates to a functional polymer material which is prepared by mixing PC as a base material with antistatic particles and processing the mixture by a plastic processing and forming mode. For electronic product production workshops, the invention reduces ESD (electrostatic discharge) damage phenomena of static electricity generated by various reasons in the production process to ESDS (electrostatic discharge sensitive) devices as much as possible, improves the yield of electronic products, and for EPA (antistatic working area), for example: a maintenance room for electronic products, a detection laboratory, etc. The purpose is to avoid ESD phenomenon as much as possible in the maintenance or detection process of the ESDS device due to the non-standard of the maintenance or detection instrument, and damage to the ESDS device; for the petrochemical industry and the fire industry, flammable and explosive places, the invention is to avoid the electrostatic ignition phenomenon to the greatest extent so as to avoid the detonation of combustible gas volatilized into the air, casualty accidents, property loss and the like.
2. The invention can reduce the harm of static electricity to human body and reduce the static electricity generated during the moving and unloading of goods. The danger of burning, explosion and the like caused by static electricity can be prevented in the petrochemical industry. In the industries of electronics, instruments and the like, the problem of damage or aging of electronic components caused by static electricity can be prevented.
3. The compatibility of the antistatic particles and PC is improved but not too high, and the surface resistivity rho s of the modified PC plastic is 1011And omega is about.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A first part:
preparation of methacryloyloxyethyl trimethyl ammonium chloride polymer: 1) weighing 50-60 parts by weight of methacryloyloxyethyl trimethyl ammonium chloride monomer, 30-40 parts by weight of hydroxyethyl acrylate monomer and 80-120 parts by weight of ethanol aqueous solution, adding into a reaction kettle, and preparing into initial monomer mixed solution; the volume part of ethanol in the ethanol water solution is 20-35%; 2) introducing nitrogen at the rate of 350-5500mL/min, removing air in the reaction kettle, reducing the nitrogen rate to 50mL/min after 5-10min, and weighing initiation aids, namely, tetrasodium ethylenediamine tetraacetate and sodium bisulfite, and adding the initiation aids into the reaction kettle; 3) weighing initiator potassium persulfate to prepare initiator solution of 0.3-0.5 g/ml; heating and stirring, uniformly adding a potassium persulfate initiator solution into the reaction kettle, and keeping the temperature for continuous reaction after the initiator is added; 4) the fourth step reaction solution is heated, stirred and continuously reacted, so that the conversion rate of the reaction is further improved, and the antistatic performance of the fourth step reaction solution is improved; 5) and (3) pouring out the reaction solution, cooling to room temperature, washing for 1-2 times by using acetone, and drying to obtain the methacryloyloxyethyl trimethyl ammonium chloride polymer.
Example 1:
preparing antistatic particles: uniformly mixing 3kg of maleic anhydride, 10kg of PC material and 11kg of ABS, heating to 260 ℃ in 220 ℃ plus manner, adding 6kg of methacryloyloxyethyl trimethyl ammonium chloride polymer, introducing nitrogen, carrying out antistatic grafting modification on the PC and the ABS material at 360 ℃ in 320 ℃ plus manner, adding 16kg of polyether ester amide at 240 ℃ in 190 ℃ plus manner after 20-50min for compatibility modification, and then placing the modified mixture into a granulator for granulation to obtain the antistatic particles in the embodiment 1.
The preparation method of the modified antistatic PC plastic comprises the following steps: step a, preparing antistatic particles; and b, adding 5 parts by weight of the antistatic particles and 100 parts by weight of the PC material into a double-screw extruder for melt extrusion granulation, wherein the extrusion temperature is 180-210 ℃, and obtaining the modified PC plastic of the example 1.
Preparation method and formulation of examples 2 to 6 referring to example 1, preparation method of antistatic particles referring to example 1, components of the antistatic particles are as follows:
the antistatic properties of the modified PC plastics prepared in examples 1-6 were tested and the results were as follows:
in the case of plastics, the volume resistivity is less than 1012Omega cm, the requirement of static resistance is met, but the volume resistivity is lower than 109And omega cm, the later processing procedure is adversely affected, and the volume resistivity of the embodiments 1-3 can be seen to meet the requirement of static electricity prevention through the test data of the above embodiments, but the static electricity prevention effect of the embodiments 4-6 is poor.
A second part:
the antistatic particle component is referred to the first part, and the formula and the method for preparing the antistatic PC plastic are also referred to the first part, and the difference from the first part lies in the preparation method of the antistatic particles.
Example 7:
preparing antistatic particles: 3kg of maleic anhydride, 10kg of PC material, 6kg of ABS11kg material, 6kg of methacryloyloxyethyl trimethyl ammonium chloride polymer and 16kg of polyether ester amide are uniformly mixed, heated to 260 ℃ at 220-.
The preparation method of the modified antistatic PC plastic comprises the following steps: step a, preparing antistatic particles; and b, adding 5 parts by weight of the antistatic particles and 100 parts by weight of the PC material into a double-screw extruder for melt extrusion granulation, wherein the extrusion temperature is 180-210 ℃, and obtaining the modified PC plastic of the example 7.
Preparation method and formulation of examples 8 to 12 referring to example 7, preparation method of antistatic particles referring to example 1, components of the antistatic particles are as follows:
the antistatic properties of the modified PC plastics prepared in examples 7-12 were tested and the results were as follows:
in the case of plastics, the volume resistivity is less than 1012Omega cm, the requirement of static resistance is met, but the volume resistivity is lower than 109Omega cm, the later processing procedure is adversely affected, and the volume resistivity of the modified plastics in examples 7-12 can be seen from the test data in the above examples, which indicates that the volume resistivity does not meet the antistatic requirement, so that the preparation method of the antistatic particles is presumed to have an important influence on the antistatic effect.
And a third part: the difference compared to the first part is that: the raw material of the antistatic particle does not adopt a methacryloyloxyethyl trimethyl ammonium chloride polymer, but adopts methacryloyloxyethyl trimethyl ammonium chloride.
Example 13: the formula and the preparation method of the modified PC plastic and the antistatic particles are as follows:
preparing antistatic particles: uniformly mixing 3kg of maleic anhydride, 10kg of PC material and 11kg kg of ABS material, heating to 260 ℃ in 220 ℃ plus manner, adding 6kg of methacryloyloxyethyl trimethyl ammonium chloride, introducing nitrogen, carrying out antistatic grafting modification on the PC and the ABS material at 360 ℃ in 320 ℃ plus manner, adding 16kg of polyether ester amide at 240 ℃ in 190 ℃ plus manner after 20-50min for compatibility modification, and then placing the modified mixture into a granulator for granulation to obtain the antistatic particles in the embodiment 1.
The preparation method of the modified antistatic PC plastic comprises the following steps: step a, preparing antistatic particles; and b, adding 5 parts by weight of the antistatic particles and 100 parts by weight of the PC material into a double-screw extruder for melt extrusion granulation, wherein the extrusion temperature is 180-210 ℃, and obtaining the modified PC plastic of the embodiment 13.
Examples preparation method and formulation of 14-18 referring to example 1, preparation method of antistatic particles referring to example 1, components of antistatic particles are as follows:
the antistatic properties of the modified PC plastics prepared in examples 13 to 18 were tested and the results were as follows:
in the case of plastics, the volume resistivity is less than 1012Omega cm, the requirement of static resistance is met, but the volume resistivity is lower than 109Omega cm, the later processing procedure is adversely affected, and through the test data of the above examples, it can be seen that the volume resistivity of the examples 16-18 is the requirement for antistatic, but the antistatic particles of the examples 16-18 are added with excessive methacryloyloxyethyl trimethyl ammonium chloride, which has a great effect on the mechanical properties of the whole material, and the processing procedure produces more fertilizers due to coagulation.
The fourth part:
the antistatic modified PC plastics prepared in examples 1-18 are processed into antistatic composite packaging materials, and the antistatic effect is concentrated on the functional surface rather than the composite surface, so that the migrated antistatic agent and the water film are prevented from forming a barrier layer to influence the peel strength of the composite material. The prepared film (the composite surface is processed by corona treatment) is compounded with other base materials by a dry method to obtain the antistatic composite packaging material.
The antistatic modified plastic processed composite packaging materials prepared in examples 1-18 were tested and the results were as follows:
| surface resistivity (omega. cm) | Tensile Strength (MPa) | |
| Example 1 | 1010 | 49.8 |
| Example 2 | 1010 | 53.6 |
| Example 3 | 1011 | 58.6 |
| Example 4 | 1012 | 51.0 |
| Example 5 | 1012 | 47.3 |
| Example 6 | 1012 | 57.7 |
| Example 7 | 1012 | 50.2 |
| Example 8 | 1012 | 46.5 |
| Example 9 | 1013 | 54.6 |
| Example 10 | 1013 | 49.0 |
| Example 11 | 1013 | 51.9 |
| Example 12 | 1013 | 48.2 |
| Example 13 | 1012 | 42.5 |
| Example 14 | 1012 | 41.9 |
| Example 15 | 1012 | 24.3 |
| Example 16 | 1011 | 9.0 |
| Example 17 | 1011 | 6.6 |
| Example 18 | 1010 | 3.6 |
It can be seen from the above embodiments that the components of the antistatic particles of the present invention and the penalty method play a key role in the modification of PC plastics.
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 modified antistatic PC plastic comprises the following steps: step a, preparing antistatic particles; and b, adding 2-8 parts by weight of antistatic particles and 100 parts by weight of PC material into a double-screw extruder for melt extrusion granulation, wherein the extrusion temperature is 180-210 ℃, and the modified PC plastic is obtained, and the antistatic particles comprise the following components: 16-20 parts of polyether ester amide, 3-8 parts of methacryloyloxyethyl trimethyl ammonium chloride polymer, 2-5 parts of maleic anhydride, 8-15 parts of PC material and 5-12 parts of ABS material.
2. The modified antistatic PC plastic according to claim 1, wherein: the preparation method of the antistatic particles comprises the following steps: uniformly mixing maleic anhydride, a PC material and an ABS material, heating to the temperature of 220-.
3. The modified antistatic PC plastic according to claim 2, wherein: the weight portion ratio of the total weight portion of the PC and ABS materials to the weight portion of the maleic anhydride is as follows: 7-8:1.
4. The modified antistatic PC plastic according to claim 1, wherein: the ratio of the parts by weight of the methacryloyloxyethyl trimethyl ammonium chloride polymer to the parts by weight of the maleic anhydride is as follows: 2:1.
5. The modified antistatic PC plastic according to claim 1, wherein: the ratio of the parts by weight of the polyether ester amide to the parts by weight of the polymerized methacryloyloxyethyl trimethyl ammonium chloride is 8-10: 3.
6. The modified antistatic PC plastic according to claim 5, wherein: the preparation method of the methacryloyloxyethyl trimethyl ammonium chloride polymer comprises the following steps: 1) weighing 50-60 parts by weight of methacryloyloxyethyl trimethyl ammonium chloride monomer, 30-40 parts by weight of hydroxyethyl acrylate monomer and 80-120 parts by weight of ethanol aqueous solution, adding into a reaction kettle, and preparing into initial monomer mixed solution; the volume part of ethanol in the ethanol water solution is 20-35%; 2) introducing nitrogen at the rate of 350-5500mL/min, removing air in the reaction kettle, reducing the nitrogen rate to 50mL/min after 5-10min, and weighing initiation aids, namely, tetrasodium ethylenediamine tetraacetate and sodium bisulfite, and adding the initiation aids into the reaction kettle; 3) weighing initiator potassium persulfate to prepare initiator solution of 0.3-0.5 g/ml; heating and stirring, uniformly adding a potassium persulfate initiator solution into the reaction kettle, and keeping the temperature for continuous reaction after the initiator is added; 4) the fourth step reaction solution is heated, stirred and continuously reacted, so that the conversion rate of the reaction is further improved, and the antistatic performance of the fourth step reaction solution is improved; 5) and (3) pouring out the reaction solution, cooling to room temperature, washing for 1-2 times by using acetone, and drying to obtain the methacryloyloxyethyl trimethyl ammonium chloride polymer.
7. The modified antistatic PC plastic according to claim 1, wherein: the weight portion ratio of the antistatic particles to the PC material is 2-8: 100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111617506.3A CN114181509A (en) | 2021-12-27 | 2021-12-27 | Modified antistatic PC plastic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111617506.3A CN114181509A (en) | 2021-12-27 | 2021-12-27 | Modified antistatic PC plastic |
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| Publication Number | Publication Date |
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| CN114181509A true CN114181509A (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111617506.3A Pending CN114181509A (en) | 2021-12-27 | 2021-12-27 | Modified antistatic PC plastic |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116875128A (en) * | 2023-07-18 | 2023-10-13 | 绍兴翔宇绿色包装有限公司 | Release film and preparation method thereof |
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| CN101759974A (en) * | 2008-11-21 | 2010-06-30 | 上海普利特复合材料股份有限公司 | Low-odor antistatic and high tenacity polycarbonate composite |
| CN110760031A (en) * | 2019-10-23 | 2020-02-07 | 中国日用化学研究院有限公司 | Polyquaternary ammonium salt antistatic agent and preparation method thereof |
| CN112592528A (en) * | 2020-12-25 | 2021-04-02 | 浙江亚厦装饰股份有限公司 | Antistatic wood-plastic co-extruded fabric and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759974A (en) * | 2008-11-21 | 2010-06-30 | 上海普利特复合材料股份有限公司 | Low-odor antistatic and high tenacity polycarbonate composite |
| CN110760031A (en) * | 2019-10-23 | 2020-02-07 | 中国日用化学研究院有限公司 | Polyquaternary ammonium salt antistatic agent and preparation method thereof |
| CN112592528A (en) * | 2020-12-25 | 2021-04-02 | 浙江亚厦装饰股份有限公司 | Antistatic wood-plastic co-extruded fabric and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116875128A (en) * | 2023-07-18 | 2023-10-13 | 绍兴翔宇绿色包装有限公司 | Release film and preparation method thereof |
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