CN112679872A - Antistatic plastic battery case and production method thereof - Google Patents
Antistatic plastic battery case and production method thereof Download PDFInfo
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- CN112679872A CN112679872A CN202011495445.3A CN202011495445A CN112679872A CN 112679872 A CN112679872 A CN 112679872A CN 202011495445 A CN202011495445 A CN 202011495445A CN 112679872 A CN112679872 A CN 112679872A
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- 229920003023 plastic Polymers 0.000 title claims abstract description 42
- 239000004033 plastic Substances 0.000 title claims abstract description 42
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- 238000003756 stirring Methods 0.000 claims abstract description 95
- 238000002156 mixing Methods 0.000 claims abstract description 44
- 239000011159 matrix material Substances 0.000 claims abstract description 41
- 239000011347 resin Substances 0.000 claims abstract description 36
- 229920005989 resin Polymers 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000945 filler Substances 0.000 claims abstract description 33
- 238000003860 storage Methods 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 239000006229 carbon black Substances 0.000 claims abstract description 17
- 239000002174 Styrene-butadiene Substances 0.000 claims abstract description 16
- 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 abstract description 16
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011115 styrene butadiene Substances 0.000 claims abstract description 16
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 16
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 16
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000000047 product Substances 0.000 claims description 91
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 78
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 54
- 229920002857 polybutadiene Polymers 0.000 claims description 51
- 238000010438 heat treatment Methods 0.000 claims description 48
- 239000005062 Polybutadiene Substances 0.000 claims description 45
- 229920000126 latex Polymers 0.000 claims description 43
- 239000004816 latex Substances 0.000 claims description 43
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 42
- 239000000243 solution Substances 0.000 claims description 25
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 24
- 229940113088 dimethylacetamide Drugs 0.000 claims description 24
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 24
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 20
- 239000011259 mixed solution Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 229920000058 polyacrylate Polymers 0.000 claims description 18
- 229920001661 Chitosan Polymers 0.000 claims description 16
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 16
- 239000012043 crude product Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 claims description 16
- YAYNEUUHHLGGAH-UHFFFAOYSA-N 1-chlorododecane Chemical compound CCCCCCCCCCCCCl YAYNEUUHHLGGAH-UHFFFAOYSA-N 0.000 claims description 14
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 claims description 14
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 claims description 14
- 229940014800 succinic anhydride Drugs 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 12
- 239000000839 emulsion Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 12
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 12
- 235000011152 sodium sulphate Nutrition 0.000 claims description 12
- 238000002604 ultrasonography Methods 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 8
- 238000004821 distillation Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000000706 filtrate Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 238000000967 suction filtration Methods 0.000 claims description 6
- LDVVTQMJQSCDMK-UHFFFAOYSA-N 1,3-dihydroxypropan-2-yl formate Chemical compound OCC(CO)OC=O LDVVTQMJQSCDMK-UHFFFAOYSA-N 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 9
- 229920000642 polymer Polymers 0.000 abstract description 6
- 239000002216 antistatic agent Substances 0.000 abstract description 5
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 14
- ARIWANIATODDMH-UHFFFAOYSA-N Lauric acid monoglyceride Natural products CCCCCCCCCCCC(=O)OCC(O)CO ARIWANIATODDMH-UHFFFAOYSA-N 0.000 description 8
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 238000005054 agglomeration Methods 0.000 description 5
- 230000002776 aggregation Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003760 magnetic stirring Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004609 Impact Modifier Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- OCWMFVJKFWXKNZ-UHFFFAOYSA-L lead(2+);oxygen(2-);sulfate Chemical compound [O-2].[O-2].[O-2].[Pb+2].[Pb+2].[Pb+2].[Pb+2].[O-]S([O-])(=O)=O OCWMFVJKFWXKNZ-UHFFFAOYSA-L 0.000 description 1
- UMKARVFXJJITLN-UHFFFAOYSA-N lead;phosphorous acid Chemical compound [Pb].OP(O)O UMKARVFXJJITLN-UHFFFAOYSA-N 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an antistatic plastic storage battery shell and a production method thereof, wherein the antistatic plastic storage battery shell comprises the following raw materials in parts by weight: 10-15 parts of antistatic filler, 55-75 parts of matrix resin, 5-10 parts of carbon black, 5-10 parts of styrene-butadiene thermoplastic elastomer, 0.1-0.5 part of antioxidant 1010 and 1-1.5 parts of zinc stearate; firstly, adding matrix resin and antistatic filler into an internal mixer for banburying to prepare a composite material; adding the composite material, the carbon black, the styrene-butadiene thermoplastic elastomer, the antioxidant 1010 and the zinc stearate into a mixing kettle, uniformly stirring, and then adding into a double-screw extruder for extrusion to obtain an antistatic plastic battery case; one end of the product C contains an aliphatic hydrocarbon structure, can be well compatible with a polymer matrix, solves the technical problem of poor compatibility of the antistatic agent and the polymer matrix, and the other end contains a large number of hydroxyl groups which can be used as hydrophilic groups to adsorb surrounding water molecules to form a conductive layer, thereby improving the antistatic performance.
Description
Technical Field
The invention belongs to the technical field of high polymer materials, and particularly relates to an antistatic plastic battery case and a production method thereof.
Background
The plastic material is a material with good performance, and because the plastic has the advantages of light weight, no corrosion, good insulating property and the like, the plastic is used in many links of electronic product production. The plastic is easy to process, has good processing dimensional stability and surface gloss, and is easy to coat. Coloring and is widely applied to the field of electronic appliances. In recent years, in the electronic and electric appliance market, plastics have been kept in the electronic and electric appliance market, and the performance of the plastics is required to be improved. For example, the generation of static electricity causes troubles such as electrostatic discharge, and damages to electronic equipment, causing various troubles to the equipment and shortening the service life. With the expansion of the market of electronic and electric products, the demand for antistatic heat-conducting plastics, such as circuit board materials, electronic isolation boards, and housings of mobile communication devices, is increasing. However, the general plastic in the market has low heat conductivity coefficient, low working temperature, high filler hardness, large abrasion to equipment and easy generation of static electricity.
The invention discloses an antistatic plastic and a production method thereof in Chinese patent CN103396618A, which is mainly prepared from the following raw materials in parts by weight: 110-130 parts of PVC, 30-35 parts of PP, 30-40 parts of ABS, 10-15 parts of fatty sulfonate, 5-8 parts of tribasic lead sulfate, 4-8 parts of catalyst, 5-10 parts of antistatic agent, 10-20 parts of carbon black, 6-10 parts of hydroxymethyl fatty amine, 10-20 parts of impact modifier, 10-15 parts of graphite, 3-6 parts of cocatalyst, 5-10 parts of dibasic lead phosphite and 1-5 parts of white oil.
Disclosure of Invention
In order to overcome the technical problems, the invention provides an antistatic plastic battery case and a production method thereof.
The purpose of the invention can be realized by the following technical scheme:
an antistatic plastic storage battery shell comprises the following raw materials in parts by weight: 10-15 parts of antistatic filler, 55-75 parts of matrix resin, 5-10 parts of carbon black, 5-10 parts of styrene-butadiene thermoplastic elastomer, 0.1-0.5 part of antioxidant 1010 and 1-1.5 parts of zinc stearate;
the antistatic plastic storage battery shell is prepared by the following method:
firstly, adding matrix resin and antistatic filler into an internal mixer for internal mixing, controlling the internal mixing temperature to be 150 ℃, the rotating speed to be 50r/min and the internal mixing time to be 3min, then crushing, and drying at 70 ℃ for 10h to prepare a composite material;
and secondly, adding the composite material, the carbon black, the styrene-butadiene thermoplastic elastomer, the antioxidant 1010 and the zinc stearate into a mixing kettle, uniformly stirring, adding the mixture into a double-screw extruder, extruding, controlling the extrusion temperature to be 190 ℃ in the first zone, 220 ℃ in the second zone and 220 ℃ in the third zone, placing the mixture into a mold, and molding to obtain the antistatic plastic battery case.
Further, the antistatic filler is prepared by the following method:
step S1, adding chlorododecane and absolute ethyl alcohol into a three-neck flask, heating in a water bath at 60-80 ℃, uniformly stirring at a rotating speed of 150 plus 200r/min for 30min, then dropwise adding the first mixed solution, controlling the dropwise adding time to be 10min, uniformly stirring for 30min after the dropwise adding is finished, then adding sodium hydroxide powder, heating until reflux is generated, preserving heat at the temperature and reacting for 4h to obtain a crude product, then decompressing and distilling the crude product to obtain a product A, and controlling the dosage ratio of the chlorododecane, the absolute ethyl alcohol, the first mixed solution and the sodium hydroxide powder to be 5 g: 50 mL: 20 mL: 0.8-1.0 g;
step S2, adding diethanolamine into dimethylacetamide according to the weight ratio of 1: 10, and uniformly stirring for 30min to obtain solution a; adding succinic anhydride into dimethyl acetamide according to the weight ratio of 1: 10, and stirring at a constant speed for 30min to prepare a solution b; transferring the solution a into a three-neck flask, heating to 30-45 ℃, then dropwise adding the solution B, controlling the dropwise adding time to be 30-45min, cooling to 25-30 ℃ after dropwise adding, stirring at a constant speed and reacting for 3h at the temperature to obtain a product B, and controlling the dosage ratio of diethanolamine to succinic anhydride to be 12.5 g: 12 g;
step S3, adding the product A into the product B, stirring at a constant speed for 30min, adding toluene and p-toluenesulfonic acid, stirring at a constant speed and heating until reflux occurs, preserving heat at the temperature, reacting until no water is generated in the toluene, reducing pressure, distilling, removing the solvent to obtain a product C, and controlling the mass ratio of the product A to the product B to the toluene to the p-toluenesulfonic acid to be 1: 30: 50: 0.1;
step S4, adding the prepared product C into dimethylacetamide, stirring at a constant speed for 30min, transferring to a four-neck flask, introducing nitrogen, stirring at a constant speed, adding sodium hydroxide and epoxy chloropropane, heating to 45-60 ℃, stirring at a constant speed, reacting for 4h to obtain a product D, performing suction filtration on the product D, slowly dropwise adding triethylamine into the filtrate under the nitrogen atmosphere, reacting for 4h, performing reduced pressure, distillation and purification, and drying at 30-45 ℃ for 12h to obtain the antistatic filler, wherein the weight ratio of the product C, dimethylacetamide, sodium hydroxide, epoxy chloropropane and triethylamine is controlled to be 1: 20: 0.03-0.05: 5: 3.
Step S1, mixing chlorododecane and the first mixed solution to prepare a crude product, wherein the crude product contains long-chain aliphatic hydrocarbon and a hydroxyl structure, and then decompressing and distilling to prepare a product A which is used as a nuclear molecule for later use; and step S2, mixing diethanolamine and succinic anhydride to prepare a product B, wherein the product B is a monomer, then mixing the product A with the product B to prepare a product C, one end of the product C contains an aliphatic hydrocarbon structure and can be well compatible with a polymer matrix, the technical problem that the compatibility of an antistatic agent and the polymer matrix is poor is solved, the other end of the product C contains a large number of hydroxyl groups, the hydroxyl groups are used as hydrophilic groups and can adsorb surrounding water molecules to form a conductive layer, the antistatic performance is improved, the product C is of a three-dimensional spatial structure, no winding exists among molecular chains, the viscosity is low, then, in step S4, the product C is dissolved, then sodium hydroxide and epoxy chloropropane are added, finally triethylamine is added, the product C is quaternized, and the antistatic performance of the prepared antistatic filler is further enhanced.
Further, the first mixed solution is formed by mixing diethanolamine and absolute ethyl alcohol according to the dosage ratio of 2g to 20 mL.
Further, the matrix resin is prepared by the following method:
step S11, adding polybutadiene latex and polyacrylate emulsion into a three-neck flask, magnetically stirring for 30min at the rotating speed of 120r/min, transferring into a storage tank, heating in a water bath at 45 ℃ and stirring for 4h at the rotating speed of 200r/min to prepare agglomerated polybutadiene latex, wherein the weight ratio of the polybutadiene latex to the polyacrylate emulsion is controlled to be 2: 1;
step S12, standing the agglomerated polybutadiene latex for 5h, then sequentially adding styrene-acrylonitrile copolymer and desalted water, heating to 50-60 ℃, stirring at a constant speed at the temperature and reacting for 1h, adding sodium sulfate, performing ultrasound for 15min, controlling the ultrasound power to be 50-60W, heating to 75 ℃, adding lauric monoglyceride, magnetically stirring at a rotating speed of 200r/min for 45min, then dispersing at a rotating speed of 2000r/min for 5min, adding carboxymethyl chitosan, reacting for 2h, dehydrating, drying, extruding and granulating by a double-screw extruder to obtain matrix resin, and controlling the weight ratio of the agglomerated polybutadiene latex, the styrene-acrylonitrile copolymer, the desalted water, the sodium sulfate, the lauric monoglyceride and the carboxymethyl chitosan to be 1: 2: 5: 0.1-0.2: 0.3: 0.5.
Step S11, polybutadiene latex particles and polyacrylate collide to form flocculates under 120r/min magnetic stirring, the particles are heated in water bath at 45 ℃ and are accelerated to collide by the stirring speed, then the particles are connected to form large particles under the action of surface tension, agglomeration is completed, the large particles after agglomeration have high elasticity of polybutadiene and excellent weather resistance of polyacrylate, and the polyacrylate also endows the particles with good adhesive strength, so that the problem of poor adhesive property of the polybutadiene latex is solved; step S12 is to let the agglomerated polybutadiene latex stand to further polymerize and crosslink the polybutadiene latex, so as to increase the gel content, after the agglomerated polybutadiene rubber and the styrene-acrylonitrile copolymer are mixed, the probability that styrene and acrylonitrile are grafted on the surface of the polybutadiene rubber can be improved, compared with polybutadiene latex, the particle size of the large particles formed after agglomeration is increased, the effective grafting area of styrene and acrylonitrile is increased, the dispersity of the polybutadiene latex in a system is improved, further improving the impact strength of the matrix resin finally prepared, adding carboxymethyl chitosan for modification, wherein the surface of the carboxymethyl chitosan contains a large amount of modifiable groups such as hydroxyl, amino and the like, the group can perform graft copolymerization with the linked polybutadiene rubber and styrene-acrylonitrile copolymer to prepare micro-crosslinked matrix resin, and endow the micro-crosslinked matrix resin with certain antibacterial performance.
The production process of antistatic plastic accumulator casing includes the following steps:
firstly, adding matrix resin and antistatic filler into an internal mixer for internal mixing, controlling the internal mixing temperature to be 150 ℃, the rotating speed to be 50r/min and the internal mixing time to be 3min, then crushing, and drying at 70 ℃ for 10h to prepare a composite material;
and secondly, adding the composite material, the carbon black, the styrene-butadiene thermoplastic elastomer, the antioxidant 1010 and the zinc stearate into a mixing kettle, uniformly stirring, adding the mixture into a double-screw extruder, extruding, controlling the extrusion temperature to be 190 ℃ in the first zone, 220 ℃ in the second zone and 220 ℃ in the third zone, placing the mixture into a mold, and molding to obtain the antistatic plastic battery case.
The invention has the beneficial effects that:
(1) the antistatic plastic battery case comprises raw materials such as antistatic filler, matrix resin and the like, wherein in the preparation process of the antistatic filler, chlorododecane and a first mixed solution are mixed in step S1 to prepare a crude product, the crude product contains long-chain aliphatic hydrocarbon and a hydroxyl structure, and then a product A is prepared by pressure reduction and distillation, and the product A is used as a core molecule for later use; and step S2, mixing diethanolamine and succinic anhydride to prepare a product B, wherein the product B is a monomer, then mixing the product A with the product B to prepare a product C, one end of the product C contains an aliphatic hydrocarbon structure and can be well compatible with a polymer matrix, the technical problem that the compatibility of an antistatic agent and the polymer matrix is poor is solved, the other end of the product C contains a large number of hydroxyl groups, the hydroxyl groups are used as hydrophilic groups and can adsorb surrounding water molecules to form a conductive layer, the antistatic performance is improved, the product C is of a three-dimensional spatial structure, no winding exists among molecular chains, the viscosity is low, then, in step S4, the product C is dissolved, then sodium hydroxide and epoxy chloropropane are added, finally triethylamine is added, the product C is quaternized, and the antistatic performance of the prepared antistatic filler is further enhanced.
(2) In the preparation process of the matrix resin, in step S11, polybutadiene latex particles and polyacrylate are collided under the magnetic stirring of 120r/min to form flocs, the flocs are heated in a water bath at 45 ℃ and are accelerated in the stirring speed, then the flocs are connected under the action of surface tension to form large particles, agglomeration is completed, the agglomerated large particles have the high elasticity of polybutadiene and the excellent weather resistance of polyacrylate, and the polyacrylate also endows the polybutadiene latex particles with good adhesive strength, so that the problem of poor adhesive property of the polybutadiene latex is solved; step S12 is to let the agglomerated polybutadiene latex stand to further polymerize and crosslink the polybutadiene latex, so as to increase the gel content, after the agglomerated polybutadiene rubber and the styrene-acrylonitrile copolymer are mixed, the probability that styrene and acrylonitrile are grafted on the surface of the polybutadiene rubber can be improved, compared with polybutadiene latex, the particle size of the large particles formed after agglomeration is increased, the effective grafting area of styrene and acrylonitrile is increased, the dispersity of the polybutadiene latex in a system is improved, further improving the impact strength of the matrix resin finally prepared, adding carboxymethyl chitosan for modification, wherein the surface of the carboxymethyl chitosan contains a large amount of modifiable groups such as hydroxyl, amino and the like, the group can perform graft copolymerization with the linked polybutadiene rubber and styrene-acrylonitrile copolymer to prepare micro-crosslinked matrix resin, and endow the micro-crosslinked matrix resin with certain antibacterial performance.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1
An antistatic plastic storage battery shell comprises the following raw materials in parts by weight: 10 parts of antistatic filler, 55 parts of matrix resin, 5 parts of carbon black, 5 parts of styrene-butadiene thermoplastic elastomer, 0.1 part of antioxidant 1010 and 1 part of zinc stearate;
the antistatic plastic storage battery shell is prepared by the following method:
firstly, adding matrix resin and antistatic filler into an internal mixer for internal mixing, controlling the internal mixing temperature to be 150 ℃, the rotating speed to be 50r/min and the internal mixing time to be 3min, then crushing, and drying at 70 ℃ for 10h to prepare a composite material;
and secondly, adding the composite material, the carbon black, the styrene-butadiene thermoplastic elastomer, the antioxidant 1010 and the zinc stearate into a mixing kettle, uniformly stirring, adding the mixture into a double-screw extruder, extruding, controlling the extrusion temperature to be 190 ℃ in the first zone, 220 ℃ in the second zone and 220 ℃ in the third zone, placing the mixture into a mold, and molding to obtain the antistatic plastic battery case.
The antistatic filler is prepared by the following method:
step S1, adding chlorododecane and absolute ethyl alcohol into a three-neck flask, heating in a water bath at 60 ℃, uniformly stirring at a rotating speed of 150r/min for 30min, then dropwise adding a first mixed solution, controlling the dropwise adding time to be 10min, uniformly stirring for 30min after the dropwise adding is finished, then adding sodium hydroxide powder, heating until reflux is generated, keeping the temperature at the temperature, reacting for 4h to obtain a crude product, then decompressing and distilling the crude product to obtain a product A, and controlling the dosage ratio of chlorododecane, absolute ethyl alcohol, first mixed solution and sodium hydroxide powder to be 5 g: 50 mL: 20 mL: 0.8 g;
step S2, adding diethanolamine into dimethylacetamide according to the weight ratio of 1: 10, and uniformly stirring for 30min to obtain solution a; adding succinic anhydride into dimethyl acetamide according to the weight ratio of 1: 10, and stirring at a constant speed for 30min to prepare a solution b; transferring the solution a into a three-neck flask, heating to 30 ℃, then dropwise adding the solution B, controlling the dropwise adding time to be 30min, cooling to 25 ℃ after dropwise adding, stirring at a constant speed at the temperature, and reacting for 3h to obtain a product B, wherein the dosage ratio of diethanolamine to succinic anhydride is controlled to be 12.5 g: 12 g;
step S3, adding the product A into the product B, stirring at a constant speed for 30min, adding toluene and p-toluenesulfonic acid, stirring at a constant speed and heating until reflux occurs, preserving heat at the temperature, reacting until no water is generated in the toluene, reducing pressure, distilling, removing the solvent to obtain a product C, and controlling the mass ratio of the product A to the product B to the toluene to the p-toluenesulfonic acid to be 1: 30: 50: 0.1;
step S4, adding the prepared product C into dimethylacetamide, stirring at a constant speed for 30min, transferring to a four-neck flask, introducing nitrogen, stirring at a constant speed, adding sodium hydroxide and epoxy chloropropane, heating to 45 ℃, stirring at a constant speed, reacting for 4h to obtain a product D, performing suction filtration on the product D, slowly dropwise adding triethylamine into the filtrate under the nitrogen atmosphere, reacting for 4h, performing reduced pressure, distillation and purification, and drying at 45 ℃ for 12h to obtain the antistatic filler, wherein the weight ratio of the product C to the dimethylacetamide to the sodium hydroxide to the epoxy chloropropane to the triethylamine is controlled to be 1: 20: 0.03: 5: 3.
The first mixed solution is formed by mixing diethanolamine and absolute ethyl alcohol according to the dosage ratio of 2g to 20 mL.
The matrix resin is prepared by the following method:
step S11, adding polybutadiene latex and polyacrylate emulsion into a three-neck flask, magnetically stirring for 30min at the rotating speed of 120r/min, transferring into a storage tank, heating in a water bath at 45 ℃ and stirring for 4h at the rotating speed of 200r/min to prepare agglomerated polybutadiene latex, wherein the weight ratio of the polybutadiene latex to the polyacrylate emulsion is controlled to be 2: 1;
step S12, standing the agglomerated polybutadiene latex for 5h, then sequentially adding styrene-acrylonitrile copolymer and desalted water, heating to 50 ℃, uniformly stirring and reacting for 1h at the temperature, adding sodium sulfate, performing ultrasound for 15min, controlling the ultrasound power to be 50W, heating to 75 ℃, adding lauric acid monoglyceride, magnetically stirring for 45min at the rotating speed of 200r/min, then dispersing for 5min at the rotating speed of 2000r/min, adding carboxymethyl chitosan, reacting for 2h, dehydrating, drying, extruding and granulating through a double-screw extruder to obtain matrix resin, and controlling the weight ratio of the agglomerated polybutadiene latex, the styrene-acrylonitrile copolymer, the desalted water, the sodium sulfate, the lauric acid monoglyceride and the carboxymethyl chitosan to be 1: 2: 5: 0.1: 0.3: 0.5.
Example 2
An antistatic plastic storage battery shell comprises the following raw materials in parts by weight: 12 parts of antistatic filler, 60 parts of matrix resin, 6 parts of carbon black, 6 parts of styrene-butadiene thermoplastic elastomer, 0.3 part of antioxidant 1010 and 1.2 parts of zinc stearate;
the antistatic plastic storage battery shell is prepared by the following method:
firstly, adding matrix resin and antistatic filler into an internal mixer for internal mixing, controlling the internal mixing temperature to be 150 ℃, the rotating speed to be 50r/min and the internal mixing time to be 3min, then crushing, and drying at 70 ℃ for 10h to prepare a composite material;
and secondly, adding the composite material, the carbon black, the styrene-butadiene thermoplastic elastomer, the antioxidant 1010 and the zinc stearate into a mixing kettle, uniformly stirring, adding the mixture into a double-screw extruder, extruding, controlling the extrusion temperature to be 190 ℃ in the first zone, 220 ℃ in the second zone and 220 ℃ in the third zone, placing the mixture into a mold, and molding to obtain the antistatic plastic battery case.
The antistatic filler is prepared by the following method:
step S1, adding chlorododecane and absolute ethyl alcohol into a three-neck flask, heating in a water bath at 60 ℃, uniformly stirring at a rotating speed of 150r/min for 30min, then dropwise adding a first mixed solution, controlling the dropwise adding time to be 10min, uniformly stirring for 30min after the dropwise adding is finished, then adding sodium hydroxide powder, heating until reflux is generated, keeping the temperature at the temperature, reacting for 4h to obtain a crude product, then decompressing and distilling the crude product to obtain a product A, and controlling the dosage ratio of chlorododecane, absolute ethyl alcohol, first mixed solution and sodium hydroxide powder to be 5 g: 50 mL: 20 mL: 0.8 g;
step S2, adding diethanolamine into dimethylacetamide according to the weight ratio of 1: 10, and uniformly stirring for 30min to obtain solution a; adding succinic anhydride into dimethyl acetamide according to the weight ratio of 1: 10, and stirring at a constant speed for 30min to prepare a solution b; transferring the solution a into a three-neck flask, heating to 30 ℃, then dropwise adding the solution B, controlling the dropwise adding time to be 30min, cooling to 25 ℃ after dropwise adding, stirring at a constant speed at the temperature, and reacting for 3h to obtain a product B, wherein the dosage ratio of diethanolamine to succinic anhydride is controlled to be 12.5 g: 12 g;
step S3, adding the product A into the product B, stirring at a constant speed for 30min, adding toluene and p-toluenesulfonic acid, stirring at a constant speed and heating until reflux occurs, preserving heat at the temperature, reacting until no water is generated in the toluene, reducing pressure, distilling, removing the solvent to obtain a product C, and controlling the mass ratio of the product A to the product B to the toluene to the p-toluenesulfonic acid to be 1: 30: 50: 0.1;
step S4, adding the prepared product C into dimethylacetamide, stirring at a constant speed for 30min, transferring to a four-neck flask, introducing nitrogen, stirring at a constant speed, adding sodium hydroxide and epoxy chloropropane, heating to 45 ℃, stirring at a constant speed, reacting for 4h to obtain a product D, performing suction filtration on the product D, slowly dropwise adding triethylamine into the filtrate under the nitrogen atmosphere, reacting for 4h, performing reduced pressure, distillation and purification, and drying at 45 ℃ for 12h to obtain the antistatic filler, wherein the weight ratio of the product C to the dimethylacetamide to the sodium hydroxide to the epoxy chloropropane to the triethylamine is controlled to be 1: 20: 0.03: 5: 3.
The first mixed solution is formed by mixing diethanolamine and absolute ethyl alcohol according to the dosage ratio of 2g to 20 mL.
The matrix resin is prepared by the following method:
step S11, adding polybutadiene latex and polyacrylate emulsion into a three-neck flask, magnetically stirring for 30min at the rotating speed of 120r/min, transferring into a storage tank, heating in a water bath at 45 ℃ and stirring for 4h at the rotating speed of 200r/min to prepare agglomerated polybutadiene latex, wherein the weight ratio of the polybutadiene latex to the polyacrylate emulsion is controlled to be 2: 1;
step S12, standing the agglomerated polybutadiene latex for 5h, then sequentially adding styrene-acrylonitrile copolymer and desalted water, heating to 50 ℃, uniformly stirring and reacting for 1h at the temperature, adding sodium sulfate, performing ultrasound for 15min, controlling the ultrasound power to be 50W, heating to 75 ℃, adding lauric acid monoglyceride, magnetically stirring for 45min at the rotating speed of 200r/min, then dispersing for 5min at the rotating speed of 2000r/min, adding carboxymethyl chitosan, reacting for 2h, dehydrating, drying, extruding and granulating through a double-screw extruder to obtain matrix resin, and controlling the weight ratio of the agglomerated polybutadiene latex, the styrene-acrylonitrile copolymer, the desalted water, the sodium sulfate, the lauric acid monoglyceride and the carboxymethyl chitosan to be 1: 2: 5: 0.1: 0.3: 0.5.
Example 3
An antistatic plastic storage battery shell comprises the following raw materials in parts by weight: 14 parts of antistatic filler, 70 parts of matrix resin, 8 parts of carbon black, 8 parts of styrene-butadiene thermoplastic elastomer, 0.4 part of antioxidant 1010 and 1.4 parts of zinc stearate;
the antistatic plastic storage battery shell is prepared by the following method:
firstly, adding matrix resin and antistatic filler into an internal mixer for internal mixing, controlling the internal mixing temperature to be 150 ℃, the rotating speed to be 50r/min and the internal mixing time to be 3min, then crushing, and drying at 70 ℃ for 10h to prepare a composite material;
and secondly, adding the composite material, the carbon black, the styrene-butadiene thermoplastic elastomer, the antioxidant 1010 and the zinc stearate into a mixing kettle, uniformly stirring, adding the mixture into a double-screw extruder, extruding, controlling the extrusion temperature to be 190 ℃ in the first zone, 220 ℃ in the second zone and 220 ℃ in the third zone, placing the mixture into a mold, and molding to obtain the antistatic plastic battery case.
The antistatic filler is prepared by the following method:
step S1, adding chlorododecane and absolute ethyl alcohol into a three-neck flask, heating in a water bath at 60 ℃, uniformly stirring at a rotating speed of 150r/min for 30min, then dropwise adding a first mixed solution, controlling the dropwise adding time to be 10min, uniformly stirring for 30min after the dropwise adding is finished, then adding sodium hydroxide powder, heating until reflux is generated, keeping the temperature at the temperature, reacting for 4h to obtain a crude product, then decompressing and distilling the crude product to obtain a product A, and controlling the dosage ratio of chlorododecane, absolute ethyl alcohol, first mixed solution and sodium hydroxide powder to be 5 g: 50 mL: 20 mL: 0.8 g;
step S2, adding diethanolamine into dimethylacetamide according to the weight ratio of 1: 10, and uniformly stirring for 30min to obtain solution a; adding succinic anhydride into dimethyl acetamide according to the weight ratio of 1: 10, and stirring at a constant speed for 30min to prepare a solution b; transferring the solution a into a three-neck flask, heating to 30 ℃, then dropwise adding the solution B, controlling the dropwise adding time to be 30min, cooling to 25 ℃ after dropwise adding, stirring at a constant speed at the temperature, and reacting for 3h to obtain a product B, wherein the dosage ratio of diethanolamine to succinic anhydride is controlled to be 12.5 g: 12 g;
step S3, adding the product A into the product B, stirring at a constant speed for 30min, adding toluene and p-toluenesulfonic acid, stirring at a constant speed and heating until reflux occurs, preserving heat at the temperature, reacting until no water is generated in the toluene, reducing pressure, distilling, removing the solvent to obtain a product C, and controlling the mass ratio of the product A to the product B to the toluene to the p-toluenesulfonic acid to be 1: 30: 50: 0.1;
step S4, adding the prepared product C into dimethylacetamide, stirring at a constant speed for 30min, transferring to a four-neck flask, introducing nitrogen, stirring at a constant speed, adding sodium hydroxide and epoxy chloropropane, heating to 45 ℃, stirring at a constant speed, reacting for 4h to obtain a product D, performing suction filtration on the product D, slowly dropwise adding triethylamine into the filtrate under the nitrogen atmosphere, reacting for 4h, performing reduced pressure, distillation and purification, and drying at 45 ℃ for 12h to obtain the antistatic filler, wherein the weight ratio of the product C to the dimethylacetamide to the sodium hydroxide to the epoxy chloropropane to the triethylamine is controlled to be 1: 20: 0.03: 5: 3.
The first mixed solution is formed by mixing diethanolamine and absolute ethyl alcohol according to the dosage ratio of 2g to 20 mL.
The matrix resin is prepared by the following method:
step S11, adding polybutadiene latex and polyacrylate emulsion into a three-neck flask, magnetically stirring for 30min at the rotating speed of 120r/min, transferring into a storage tank, heating in a water bath at 45 ℃ and stirring for 4h at the rotating speed of 200r/min to prepare agglomerated polybutadiene latex, wherein the weight ratio of the polybutadiene latex to the polyacrylate emulsion is controlled to be 2: 1;
step S12, standing the agglomerated polybutadiene latex for 5h, then sequentially adding styrene-acrylonitrile copolymer and desalted water, heating to 50 ℃, uniformly stirring and reacting for 1h at the temperature, adding sodium sulfate, performing ultrasound for 15min, controlling the ultrasound power to be 50W, heating to 75 ℃, adding lauric acid monoglyceride, magnetically stirring for 45min at the rotating speed of 200r/min, then dispersing for 5min at the rotating speed of 2000r/min, adding carboxymethyl chitosan, reacting for 2h, dehydrating, drying, extruding and granulating through a double-screw extruder to obtain matrix resin, and controlling the weight ratio of the agglomerated polybutadiene latex, the styrene-acrylonitrile copolymer, the desalted water, the sodium sulfate, the lauric acid monoglyceride and the carboxymethyl chitosan to be 1: 2: 5: 0.1: 0.3: 0.5.
Example 4
An antistatic plastic storage battery shell comprises the following raw materials in parts by weight: 15 parts of antistatic filler, 75 parts of matrix resin, 10 parts of carbon black, 10 parts of styrene-butadiene thermoplastic elastomer, 0.5 part of antioxidant 1010 and 1.5 parts of zinc stearate;
the antistatic plastic storage battery shell is prepared by the following method:
firstly, adding matrix resin and antistatic filler into an internal mixer for internal mixing, controlling the internal mixing temperature to be 150 ℃, the rotating speed to be 50r/min and the internal mixing time to be 3min, then crushing, and drying at 70 ℃ for 10h to prepare a composite material;
and secondly, adding the composite material, the carbon black, the styrene-butadiene thermoplastic elastomer, the antioxidant 1010 and the zinc stearate into a mixing kettle, uniformly stirring, adding the mixture into a double-screw extruder, extruding, controlling the extrusion temperature to be 190 ℃ in the first zone, 220 ℃ in the second zone and 220 ℃ in the third zone, placing the mixture into a mold, and molding to obtain the antistatic plastic battery case.
The antistatic filler is prepared by the following method:
step S1, adding chlorododecane and absolute ethyl alcohol into a three-neck flask, heating in a water bath at 60 ℃, uniformly stirring at a rotating speed of 150r/min for 30min, then dropwise adding a first mixed solution, controlling the dropwise adding time to be 10min, uniformly stirring for 30min after the dropwise adding is finished, then adding sodium hydroxide powder, heating until reflux is generated, keeping the temperature at the temperature, reacting for 4h to obtain a crude product, then decompressing and distilling the crude product to obtain a product A, and controlling the dosage ratio of chlorododecane, absolute ethyl alcohol, first mixed solution and sodium hydroxide powder to be 5 g: 50 mL: 20 mL: 0.8 g;
step S2, adding diethanolamine into dimethylacetamide according to the weight ratio of 1: 10, and uniformly stirring for 30min to obtain solution a; adding succinic anhydride into dimethyl acetamide according to the weight ratio of 1: 10, and stirring at a constant speed for 30min to prepare a solution b; transferring the solution a into a three-neck flask, heating to 30 ℃, then dropwise adding the solution B, controlling the dropwise adding time to be 30min, cooling to 25 ℃ after dropwise adding, stirring at a constant speed at the temperature, and reacting for 3h to obtain a product B, wherein the dosage ratio of diethanolamine to succinic anhydride is controlled to be 12.5 g: 12 g;
step S3, adding the product A into the product B, stirring at a constant speed for 30min, adding toluene and p-toluenesulfonic acid, stirring at a constant speed and heating until reflux occurs, preserving heat at the temperature, reacting until no water is generated in the toluene, reducing pressure, distilling, removing the solvent to obtain a product C, and controlling the mass ratio of the product A to the product B to the toluene to the p-toluenesulfonic acid to be 1: 30: 50: 0.1;
step S4, adding the prepared product C into dimethylacetamide, stirring at a constant speed for 30min, transferring to a four-neck flask, introducing nitrogen, stirring at a constant speed, adding sodium hydroxide and epoxy chloropropane, heating to 45 ℃, stirring at a constant speed, reacting for 4h to obtain a product D, performing suction filtration on the product D, slowly dropwise adding triethylamine into the filtrate under the nitrogen atmosphere, reacting for 4h, performing reduced pressure, distillation and purification, and drying at 45 ℃ for 12h to obtain the antistatic filler, wherein the weight ratio of the product C to the dimethylacetamide to the sodium hydroxide to the epoxy chloropropane to the triethylamine is controlled to be 1: 20: 0.03: 5: 3.
The first mixed solution is formed by mixing diethanolamine and absolute ethyl alcohol according to the dosage ratio of 2g to 20 mL.
The matrix resin is prepared by the following method:
step S11, adding polybutadiene latex and polyacrylate emulsion into a three-neck flask, magnetically stirring for 30min at the rotating speed of 120r/min, transferring into a storage tank, heating in a water bath at 45 ℃ and stirring for 4h at the rotating speed of 200r/min to prepare agglomerated polybutadiene latex, wherein the weight ratio of the polybutadiene latex to the polyacrylate emulsion is controlled to be 2: 1;
step S12, standing the agglomerated polybutadiene latex for 5h, then sequentially adding styrene-acrylonitrile copolymer and desalted water, heating to 50 ℃, uniformly stirring and reacting for 1h at the temperature, adding sodium sulfate, performing ultrasound for 15min, controlling the ultrasound power to be 50W, heating to 75 ℃, adding lauric acid monoglyceride, magnetically stirring for 45min at the rotating speed of 200r/min, then dispersing for 5min at the rotating speed of 2000r/min, adding carboxymethyl chitosan, reacting for 2h, dehydrating, drying, extruding and granulating through a double-screw extruder to obtain matrix resin, and controlling the weight ratio of the agglomerated polybutadiene latex, the styrene-acrylonitrile copolymer, the desalted water, the sodium sulfate, the lauric acid monoglyceride and the carboxymethyl chitosan to be 1: 2: 5: 0.1: 0.3: 0.5.
Comparative example 1
This comparative example compares to example 1 without the addition of an antistatic agent.
Comparative example 2
This comparative example is an antistatic battery case in the market.
As can be seen from the above table, the notched impact strengths of examples 1 to 4 were 25.2 to 25.4KJ/m2Comparative examples 1 to 2 had notched impact strengths of 23.2 to 25.0KJ/m2(ii) a Examples 1-4 volume resistivities of 7.18-7.22x1010(ohm. cm), comparative example 1 volume resistivity 0.12x105(ohm. cm), comparative example 2 volume resistivity of 1x107(ohm. cm); examples 1-4 had surface resistivities of 9.65-9.8x1010(ohm. cm), comparative example 1 surface resistivity 0.15x1016(ohm. cm), comparative example 2 surface resistivity of 1x108(ohm. cm).
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (5)
1. The antistatic plastic storage battery shell is characterized by comprising the following raw materials in parts by weight: 10-15 parts of antistatic filler, 55-75 parts of matrix resin, 5-10 parts of carbon black, 5-10 parts of styrene-butadiene thermoplastic elastomer, 0.1-0.5 part of antioxidant 1010 and 1-1.5 parts of zinc stearate;
the antistatic plastic storage battery shell is prepared by the following method:
firstly, adding matrix resin and antistatic filler into an internal mixer for internal mixing, controlling the internal mixing temperature to be 150 ℃, the rotating speed to be 50r/min and the internal mixing time to be 3min, then crushing, and drying at 70 ℃ for 10h to prepare a composite material;
and secondly, adding the composite material, the carbon black, the styrene-butadiene thermoplastic elastomer, the antioxidant 1010 and the zinc stearate into a mixing kettle, uniformly stirring, adding the mixture into a double-screw extruder, extruding, controlling the extrusion temperature to be 190 ℃ in the first zone, 220 ℃ in the second zone and 220 ℃ in the third zone, placing the mixture into a mold, and molding to obtain the antistatic plastic battery case.
2. The antistatic plastic battery case according to claim 1, wherein the antistatic filler is prepared by the following method:
step S1, adding chlorododecane and absolute ethyl alcohol into a three-neck flask, heating in a water bath at 60-80 ℃, uniformly stirring at a rotating speed of 150 plus 200r/min for 30min, then dropwise adding the first mixed solution, controlling the dropwise adding time to be 10min, uniformly stirring for 30min after the dropwise adding is finished, then adding sodium hydroxide powder, heating until reflux is generated, preserving heat at the temperature and reacting for 4h to obtain a crude product, then decompressing and distilling the crude product to obtain a product A, and controlling the dosage ratio of the chlorododecane, the absolute ethyl alcohol, the first mixed solution and the sodium hydroxide powder to be 5 g: 50 mL: 20 mL: 0.8-1.0 g;
step S2, adding diethanolamine into dimethylacetamide according to the weight ratio of 1: 10, and uniformly stirring for 30min to obtain solution a; adding succinic anhydride into dimethyl acetamide according to the weight ratio of 1: 10, and stirring at a constant speed for 30min to prepare a solution b; transferring the solution a into a three-neck flask, heating to 30-45 ℃, then dropwise adding the solution B, controlling the dropwise adding time to be 30-45min, cooling to 25-30 ℃ after dropwise adding, stirring at a constant speed and reacting for 3h at the temperature to obtain a product B, and controlling the dosage ratio of diethanolamine to succinic anhydride to be 12.5 g: 12 g;
step S3, adding the product A into the product B, stirring at a constant speed for 30min, adding toluene and p-toluenesulfonic acid, stirring at a constant speed and heating until reflux occurs, preserving heat at the temperature, reacting until no water is generated in the toluene, reducing pressure, distilling, removing the solvent to obtain a product C, and controlling the mass ratio of the product A to the product B to the toluene to the p-toluenesulfonic acid to be 1: 30: 50: 0.1;
step S4, adding the prepared product C into dimethylacetamide, stirring at a constant speed for 30min, transferring to a four-neck flask, introducing nitrogen, stirring at a constant speed, adding sodium hydroxide and epoxy chloropropane, heating to 45-60 ℃, stirring at a constant speed, reacting for 4h to obtain a product D, performing suction filtration on the product D, slowly dropwise adding triethylamine into the filtrate under the nitrogen atmosphere, reacting for 4h, performing reduced pressure, distillation and purification, and drying at 30-45 ℃ for 12h to obtain the antistatic filler, wherein the weight ratio of the product C, dimethylacetamide, sodium hydroxide, epoxy chloropropane and triethylamine is controlled to be 1: 20: 0.03-0.05: 5: 3.
3. The antistatic plastic battery case as claimed in claim 2, wherein the first mixed solution is prepared by mixing diethanolamine and absolute ethyl alcohol according to a dosage ratio of 2 g: 20 mL.
4. The antistatic plastic battery case according to claim 1, wherein the base resin is prepared by a method comprising:
step S11, adding polybutadiene latex and polyacrylate emulsion into a three-neck flask, magnetically stirring for 30min at the rotating speed of 120r/min, transferring into a storage tank, heating in a water bath at 45 ℃ and stirring for 4h at the rotating speed of 200r/min to prepare agglomerated polybutadiene latex, wherein the weight ratio of the polybutadiene latex to the polyacrylate emulsion is controlled to be 2: 1;
step S12, standing the agglomerated polybutadiene latex for 5h, then sequentially adding styrene-acrylonitrile copolymer and desalted water, heating to 50-60 ℃, stirring at a constant speed at the temperature and reacting for 1h, adding sodium sulfate, performing ultrasound for 15min, controlling the ultrasound power to be 50-60W, heating to 75 ℃, adding lauric monoglyceride, magnetically stirring at a rotating speed of 200r/min for 45min, then dispersing at a rotating speed of 2000r/min for 5min, adding carboxymethyl chitosan, reacting for 2h, dehydrating, drying, extruding and granulating by a double-screw extruder to obtain matrix resin, and controlling the weight ratio of the agglomerated polybutadiene latex, the styrene-acrylonitrile copolymer, the desalted water, the sodium sulfate, the lauric monoglyceride and the carboxymethyl chitosan to be 1: 2: 5: 0.1-0.2: 0.3: 0.5.
5. The method for producing an antistatic plastic battery case as claimed in claim 1, comprising the steps of:
firstly, adding matrix resin and antistatic filler into an internal mixer for internal mixing, controlling the internal mixing temperature to be 150 ℃, the rotating speed to be 50r/min and the internal mixing time to be 3min, then crushing, and drying at 70 ℃ for 10h to prepare a composite material;
and secondly, adding the composite material, the carbon black, the styrene-butadiene thermoplastic elastomer, the antioxidant 1010 and the zinc stearate into a mixing kettle, uniformly stirring, adding the mixture into a double-screw extruder, extruding, controlling the extrusion temperature to be 190 ℃ in the first zone, 220 ℃ in the second zone and 220 ℃ in the third zone, placing the mixture into a mold, and molding to obtain the antistatic plastic battery case.
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|---|---|---|---|---|
| CN114106575A (en) * | 2021-12-15 | 2022-03-01 | 黄山华塑新材料科技有限公司 | Antistatic plastic-wood sleeper and processing technology thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093004A (en) * | 2019-05-06 | 2019-08-06 | 辛集市旭远新材料科技有限公司 | A kind of nano-antibacterial ABS plastic and preparation method thereof |
| CN111440411A (en) * | 2020-05-21 | 2020-07-24 | 安徽冠泓塑业有限公司 | Antibacterial antistatic modified ABS material for automotive interior |
-
2020
- 2020-12-17 CN CN202011495445.3A patent/CN112679872A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093004A (en) * | 2019-05-06 | 2019-08-06 | 辛集市旭远新材料科技有限公司 | A kind of nano-antibacterial ABS plastic and preparation method thereof |
| CN111440411A (en) * | 2020-05-21 | 2020-07-24 | 安徽冠泓塑业有限公司 | Antibacterial antistatic modified ABS material for automotive interior |
Non-Patent Citations (1)
| Title |
|---|
| 尤光星: "新型超支化聚酰胺-酯抗静电剂的合成及其对煤矿PVC输送带的抗静电性能研究", 《中国优秀硕士学位论文全文数据库工程科技I辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114106575A (en) * | 2021-12-15 | 2022-03-01 | 黄山华塑新材料科技有限公司 | Antistatic plastic-wood sleeper and processing technology thereof |
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