CN110713654A - High-hardness corrosion-resistant plastic material and preparation method thereof - Google Patents
High-hardness corrosion-resistant plastic material and preparation method thereof Download PDFInfo
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- CN110713654A CN110713654A CN201910854470.7A CN201910854470A CN110713654A CN 110713654 A CN110713654 A CN 110713654A CN 201910854470 A CN201910854470 A CN 201910854470A CN 110713654 A CN110713654 A CN 110713654A
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- corrosion
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- 229920003023 plastic Polymers 0.000 title claims abstract description 100
- 239000004033 plastic Substances 0.000 title claims abstract description 100
- 239000000463 material Substances 0.000 title claims abstract description 80
- 230000007797 corrosion Effects 0.000 title claims abstract description 62
- 238000005260 corrosion Methods 0.000 title claims abstract description 62
- 238000002360 preparation method Methods 0.000 title abstract description 15
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000843 powder Substances 0.000 claims abstract description 33
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 32
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 32
- -1 polypropylene Polymers 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 16
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003063 flame retardant Substances 0.000 claims abstract description 12
- 239000000314 lubricant Substances 0.000 claims abstract description 12
- 239000004014 plasticizer Substances 0.000 claims abstract description 12
- 239000004743 Polypropylene Substances 0.000 claims abstract description 5
- 229920001155 polypropylene Polymers 0.000 claims abstract description 5
- 239000003112 inhibitor Substances 0.000 claims abstract description 3
- 238000001035 drying Methods 0.000 claims description 58
- 238000009413 insulation Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 239000004698 Polyethylene Substances 0.000 claims description 18
- 229920000573 polyethylene Polymers 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 10
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000004843 novolac epoxy resin Substances 0.000 claims description 5
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 claims description 2
- 239000004640 Melamine resin Substances 0.000 claims description 2
- 229920000877 Melamine resin Polymers 0.000 claims description 2
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 2
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 claims description 2
- 229940116351 sebacate Drugs 0.000 claims description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-L sebacate(2-) Chemical compound [O-]C(=O)CCCCCCCCC([O-])=O CXMXRPHRNRROMY-UHFFFAOYSA-L 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims 1
- 150000005691 triesters Chemical class 0.000 claims 1
- 229920000642 polymer Polymers 0.000 abstract description 10
- 229920005989 resin Polymers 0.000 abstract description 7
- 239000011347 resin Substances 0.000 abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 239000010936 titanium Substances 0.000 abstract description 5
- 229910052719 titanium Inorganic materials 0.000 abstract description 5
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract description 4
- 229920002554 vinyl polymer Polymers 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 14
- 239000003518 caustics Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940117389 dichlorobenzene Drugs 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- ILRSCQWREDREME-UHFFFAOYSA-N dodecanamide Chemical compound CCCCCCCCCCCC(N)=O ILRSCQWREDREME-UHFFFAOYSA-N 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- BAZAXWOYCMUHIX-UHFFFAOYSA-M sodium perchlorate Chemical compound [Na+].[O-]Cl(=O)(=O)=O BAZAXWOYCMUHIX-UHFFFAOYSA-M 0.000 description 1
- 229910001488 sodium perchlorate Inorganic materials 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- JNXDCMUUZNIWPQ-UHFFFAOYSA-N trioctyl benzene-1,2,4-tricarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C(C(=O)OCCCCCCCC)=C1 JNXDCMUUZNIWPQ-UHFFFAOYSA-N 0.000 description 1
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
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- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B29B9/12—Making granules characterised by structure or composition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0092—Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
- C08G59/1438—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing oxygen
- C08G59/1455—Monocarboxylic acids, anhydrides, halides, or low-molecular-weight esters thereof
- C08G59/1461—Unsaturated monoacids
- C08G59/1466—Acrylic or methacrylic acids
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
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Abstract
The invention discloses a high-hardness corrosion-resistant plastic material and a preparation method thereof, wherein the plastic material is prepared from the following raw materials in parts by weight: 80-100 parts of polypropylene, 13.5-16 parts of lubricant, 14-17.5 parts of flame retardant, 13-15 parts of silicon nitride powder, 15-18 parts of nano titanium powder, 13.5-16 parts of corrosion inhibitor and 14.5-18 parts of plasticizer; according to the invention, silicon nitride powder, nano titanium powder and corrosion-resistant agent are added in the preparation process, the silicon nitride powder is a structural ceramic material and has high hardness, the nano titanium powder is an inorganic metal material, pores among self molecules are small, the nano titanium powder has good hardness, the hardness of the plastic material is increased by mixing, the corrosion-resistant agent generates vinyl resin and a polymer containing silicon-oxygen bonds in the preparation process, the corrosion resistance of the plastic material is increased, titanium and oxygen have high affinity, an oxide film is easily formed and attached to the surface of the plastic material, and the corrosion resistance of the plastic is further improved.
Description
Technical Field
The invention belongs to a preparation method of a plastic material, and particularly relates to a high-hardness corrosion-resistant plastic material and a preparation method thereof.
Background
The plastic material is a material which takes macromolecular synthetic resin as a main component, is infiltrated with various auxiliary materials or certain additives with specific purposes, has plasticity and fluidity under specific temperature and pressure, can be molded into a certain shape and keeps the shape unchanged under a certain condition, and is widely used in a plurality of fields;
the common plastic materials have better high temperature resistance, shock resistance and low temperature resistance, the production method is simpler and more convenient, and the manufacture is convenient, but the common plastic materials have common hardness, and can cause material cracking and abrasion when being impacted or used for a long time, so that the products can not be normally used, the use environment is more complex, and the plastic materials can not be ensured not to be corroded under certain specific environments, thereby causing the performance reduction of the materials;
the invention CN103450615A discloses a plastic material and a preparation method thereof, wherein the plastic material is prepared from the following raw materials in parts by weight: 20-30 parts of maleic anhydride-styrene copolymer, 10-20 parts of cobalt naphthenate, 20-30 parts of 2-hydroxy-4-octyloxy diphenylketone, 10-20 parts of lauric acid amide, 10-25 parts of trioctyl trimellitate, 7-13 parts of sodium perchlorate, 23-25 parts of polydimethylsiloxane, 10-16 parts of silane coupling agent, 8-15 parts of epoxidized soybean oil and 10-20 parts of maleic anhydride; the plastic material prepared by the invention has better buffer resistance, but has lower hardness and general corrosion resistance, can have the phenomena of material fracture, abrasion and corrosion under certain specific environments, and has smaller application range.
Disclosure of Invention
The invention aims to provide a high-hardness corrosion-resistant plastic material and a preparation method thereof, which are improved aiming at the defects of the conventional preparation method, silicon nitride powder, nano titanium powder and corrosion-resistant agent are added when the plastic material is prepared, the silicon nitride is a structural ceramic material and has high hardness, and nitrogen atoms and silicon atoms in the material are combined with each other by strong covalent bonds, so that the plastic material has good hardness, titanium is an inorganic metal material, pores among self molecules are small, and the plastic material has good hardness, and the hardness of the plastic material is further improved by mixing the nano titanium powder and the silicon nitride powder; the corrosion-resistant agent generates a polymer containing silicon-oxygen bonds in the preparation process, in the preparation process of the plastic, the silicon-oxygen bonds can form a protective film on the surface of the plastic to prevent corrosive substances from entering the interior of the plastic molecules, meanwhile, the substance is a polymer, the density of a plastic material is greatly improved, the corrosive substances are further prevented from entering the interior of the plastic molecules, the novolac epoxy resin reacts with methacrylic acid to generate vinyl resin, double bonds at two ends of a molecular chain of the resin are extremely active and can be rapidly cured, the use strength is rapidly obtained, the polymer with high corrosion resistance is formed, the corrosion resistance of the plastic is improved, titanium and oxygen have high affinity, a compact oxide film with strong adhesive force and large inertia is generated in air or an oxygen-containing medium, and the plastic is protected from being corroded.
The technical problems to be solved by the invention are as follows:
1. the hardness of the plastic materials used in the current market is general, and the materials can be cracked and abraded under the condition of impact or long-time use, so that the products cannot be normally used;
2. the common plastic materials have complex use environments, so that the plastic materials are required to have good corrosion resistance, and the plastic materials in the market generally have corrosion resistance, but the corrosion resistance is not high, so that the plastic materials cannot be guaranteed not to be corroded in certain specific environments, and the performance of the materials is reduced;
3. in the plastic material course of working, need dry the material, and the desiccator is felt to granule commonly used, drying effect is general, and partial granule is in the same place because of moisture bonds when dry, and unable drying leads to influencing material result of use, and drying time is longer simultaneously, and partial desiccator, drying effect is poor, and the plastic material after the drying still contains moisture, influences material result of use greatly.
The purpose of the invention can be realized by the following technical scheme:
a high-hardness corrosion-resistant plastic material is composed of the following raw materials in parts by weight: 80-100 parts of polypropylene, 13.5-16 parts of lubricant, 14-17.5 parts of flame retardant, 13-15 parts of silicon nitride powder, 15-18 parts of nano titanium powder, 13.5-16 parts of corrosion inhibitor and 14.5-18 parts of plasticizer;
the plastic material is prepared by the following method:
step S1: weighing the corresponding raw materials of each component, adding polyethylene, silicon nitride powder and nano titanium powder into a vacuum drier, and drying for 4-5 hours at the temperature of 80-90 ℃;
step S2: adding the polyethylene powder, the silicon nitride powder and the nano titanium powder dried in the step S1 into an internal mixer, mixing for 15-20min at the temperature of 100-;
step S3: adding the first premix obtained in the step S2 into a conical double-screw extruder, extruding at the temperature of 180-200 ℃ to obtain a second premix, adding the second premix into a cooling water tank, and cooling to obtain a third premix;
step S4: and (5) putting the third premix obtained in the step (S3) into a plastic dryer, drying for 15-30min, adding into a granulator, and granulating to obtain the plastic material.
Further, the lubricant is one or a mixture of polyethylene wax, melamine resin and butyl stearate.
Further, the flame retardant is one or a mixture of more of tricresyl phosphate, decabromodiphenyl ether and triester phosphate.
Further, the plasticizer is one or more of di-sec-octyl phthalate, dioctyl adipate and sebacate which are optionally mixed.
Further, the corrosion-resistant agent is prepared from the following raw materials in parts by weight: 15-20 parts of dimethyldichlorosilane, 13-15 parts of sodium hydroxide solution, 7.5-8 parts of titanium tetrachloride, 10-13 parts of deionized water, 20-25 parts of novolac epoxy resin and 20-25 parts of methacrylic acid;
the corrosion-resistant agent is prepared by the following method:
1) adding dimethyldichlorosilane and a sodium hydroxide solution into a reaction kettle, and reacting for 35-50min at the temperature of 75-80 ℃ and the rotating speed of 800r/min to prepare a first intermediate;
2) adding the first intermediate prepared in the step 1), titanium tetrachloride and deionized water into a reaction kettle, reacting for 2-2.5h at the temperature of 90-95 ℃ and the rotating speed of 1000r/min, standing for 30-45min, layering, and removing a water layer to prepare a second intermediate;
3) adding phenolic epoxy resin and methacrylic acid into a reaction kettle, and reacting for 1-2h at the temperature of 50-70 ℃ and the rotating speed of 800-;
4) adding the second intermediate and the third intermediate into a reaction kettle, and stirring for 2-3h at the temperature of 120-.
Further, the concentration of the sodium hydroxide solution is 2 mol/L.
Further, the plastic dryer described in step S4 includes a support seat, a drying box, and a drying device, where the support seat is placed on a plane, the support seat is connected with the lower end of the drying box, and the drying device is installed on one side of the drying box;
the drying box body comprises a heat insulation shell, a feeding hole is formed in the upper end of the outer portion of the heat insulation shell, a discharging hole is formed in the lower end of the outer portion of the heat insulation shell, a gas outlet is formed in the upper end of one side of the outer portion of the heat insulation shell, a gas inlet is formed in the lower end of one side of the outer portion of the heat insulation shell, the gas inlet and the gas outlet are located on the same side of the heat insulation shell, a first conveying belt, a second conveying belt, a third conveying belt and a fourth conveying belt are sequentially arranged in the heat insulation shell from top to bottom, the first conveying belt is located on one side of the heat insulation shell, the; the feeding hole comprises a motor and a motor fixing frame, the motor fixing frame is used for fixing the motor, a rotating shaft is connected to an output shaft extension of the motor, and a first helical blade, a second helical blade, a third helical blade and a fourth helical blade are sequentially arranged on the rotating shaft from top to bottom;
the drying device comprises an air blower, an air outlet of the air blower is connected with one end of a ventilation pipe, the other end of the ventilation pipe is connected with an air inlet, and a heater is arranged on the ventilation pipe.
Further, the supporting seat comprises two supporting columns and two anti-skid layers, one end of each supporting column is connected with the corresponding anti-skid layer, and the other end of each supporting column is connected with the lower end of the drying box body.
Furthermore, the heat insulation shell is made of silicon nitride ceramics.
The invention has the beneficial effects that:
1. in the process of preparing the high-hardness corrosion-resistant plastic material, silicon nitride powder is added, silicon nitride powder is a structural ceramic material and has high hardness, and nitrogen atoms and silicon atoms in the material are combined with each other by strong covalent bonds, so that the plastic material has good hardness;
2. adding corrosion-resistant agent, the corrosion-resistant agent generates a polymer containing silicon-oxygen bonds in the preparation process, in the process of preparing the plastic, a protective film is formed on the surface of the plastic due to the silicon-oxygen bond to prevent corrosive substances from entering the interior of plastic molecules, meanwhile, the substance is a polymer, the density of the plastic material is greatly improved, corrosive substances are further prevented from entering the interior of plastic molecules, the novolac epoxy resin reacts with methacrylic acid to generate vinyl resin, the double bonds at two ends of the molecular chain of the resin are extremely active and can be rapidly cured, the use strength is rapidly obtained, a polymer with high corrosion resistance is formed, thereby improving the corrosion resistance of the plastic, the corrosion resistance agent is mixed with the nano titanium powder for use, the titanium has great affinity with the oxygen, generating a layer of compact, strong-adhesion and large-inertia oxide film in air or oxygen-containing medium to protect the plastic from corrosion;
3. the invention discloses a process for preparing a high-hardness corrosion-resistant plastic material, which uses a plastic dryer, wherein a blower and a heater are opened to make wind entering a drying box body be hot wind, a motor is opened to make a first helical blade, a second helical blade, a third helical blade and a fourth helical blade start to rotate, a first conveying belt, a second conveying belt, a third conveying belt and a fourth conveying belt are opened, equipment is normally operated, third premix is added into a feeding port and is fully dispersed through the first helical blade, the second helical blade, the third helical blade and the fourth helical blade to prevent the third premix from being bonded together due to moisture content to influence the use effect, the third premix enters the drying box body, is scattered and spread on the first conveying belt and is conveyed by the conveying belt, and is scattered and spread on the second conveying belt step by step, On the third conveyer belt, the fourth conveyer belt, hot-blast through fourth conveyer belt, third conveyer belt, second conveyer belt, first conveyer belt to the third premix heat the drying, the third premix tiling is scattered on the conveyer belt for the third premix abundant with hot-blast contact, drying effect is good, hot-blast through the air outlet discharge, the third premix is carried to the discharge gate through the fourth conveyer belt and is obtained the third premix after the drying.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the plastic dryer of the present invention;
FIG. 2 is a front view of the feed inlet of the plastic dryer of the present invention;
FIG. 3 is a top view of the feed inlet of the plastic dryer of the present invention.
In the figure: 1-supporting seat, 11-supporting column, 12-antiskid layer, 2-drying box, 21-heat insulation shell, 22-feeding hole, 221-motor, 222-rotating shaft, 223-first helical blade, 224-second helical blade, 225-third helical blade, 226-fourth helical blade, 23-discharging hole, 24-air inlet, 25-air outlet, 26-first conveying belt, 27-second conveying belt, 28-third conveying belt, 29-fourth conveying belt, 3-drying device, 31-blower, 32-ventilation pipe and 33-heater.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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
A high-hardness corrosion-resistant plastic material is composed of the following raw materials in parts by weight: 80 parts of polypropylene, 13.5 parts of lubricant, 14 parts of flame retardant, 13 parts of silicon nitride powder, 15 parts of nano titanium powder, 13.5 parts of corrosion resistant agent and 14.5 parts of plasticizer;
the plastic material is prepared by the following method:
step S1: weighing the corresponding raw materials of each component, adding polyethylene, silicon nitride powder and nano titanium powder into a vacuum drier, and drying for 4 hours at the temperature of 80 ℃;
step S2: adding the polyethylene powder, the silicon nitride powder and the nano titanium powder dried in the step S1 into an internal mixer, mixing for 15min at the temperature of 100 ℃ and the rotating speed of 30r/min, adding a flame retardant and a corrosion resistant agent, mixing for 30min at the temperature of 100 ℃ and the rotating speed of 30r/min, adding a lubricant and a plasticizer, and mixing for 1h at the temperature of 100 ℃ and the rotating speed of 30r/min to obtain a first premix;
step S3: adding the first premix obtained in the step S2 into a conical double-screw extruder, extruding at the temperature of 180 ℃ to obtain a second premix, adding the second premix into a cooling water tank, and cooling to obtain a third premix;
step S4: and (5) putting the third premix obtained in the step (S3) into a plastic dryer, drying for 15min, adding into a granulator, and granulating to obtain the plastic material.
The corrosion-resistant agent is prepared by the following method:
1) adding dimethyldichlorosilane and a sodium hydroxide solution into a reaction kettle, and reacting for 35min at the temperature of 75 ℃ and the rotating speed of 800r/min to obtain a first intermediate;
2) adding the first intermediate prepared in the step 1), titanium tetrachloride and deionized water into a reaction kettle, reacting for 2 hours at the temperature of 90 ℃ and the rotating speed of 1000r/min, standing for 30 minutes, layering, and removing a water layer to prepare a second intermediate;
3) adding phenolic epoxy resin and methacrylic acid into a reaction kettle, and reacting for 1h at the temperature of 50 ℃ and the rotating speed of 800r/min to prepare a third intermediate;
4) and adding the second intermediate and the third intermediate into a reaction kettle, and stirring for 2 hours at the temperature of 120 ℃ and the rotating speed of 300r/min to prepare the corrosion resistant agent.
Example 2
A high-hardness corrosion-resistant plastic material is composed of the following raw materials in parts by weight: 100 parts of polypropylene, 16 parts of lubricant, 17.5 parts of flame retardant, 15 parts of silicon nitride powder, 18 parts of nano titanium powder, 16 parts of corrosion-resistant agent and 18 parts of plasticizer;
the plastic material is prepared by the following method:
step S1: weighing the corresponding raw materials of each component, adding polyethylene, silicon nitride powder and nano titanium powder into a vacuum drier, and drying for 5 hours at the temperature of 90 ℃;
step S2: adding the polyethylene powder, the silicon nitride powder and the nano titanium powder dried in the step S1 into an internal mixer, mixing for 20min at the temperature of 130 ℃ and the rotating speed of 40r/min, adding a flame retardant and a corrosion resistant agent, mixing for 45min at the temperature of 130 ℃ and the rotating speed of 40r/min, adding a lubricant and a plasticizer, and mixing for 1.5h at the temperature of 130 ℃ and the rotating speed of 40r/min to obtain a first premix;
step S3: adding the first premix obtained in the step S2 into a conical double-screw extruder, extruding at the temperature of 200 ℃ to obtain a second premix, adding the second premix into a cooling water tank, and cooling to obtain a third premix;
step S4: and (5) putting the third premix obtained in the step (S3) into a plastic dryer, drying for 30min, adding into a granulator, and granulating to obtain the plastic material.
Comparative example 1
Compared with example 1, the comparative example is prepared by the following method without adding silicon nitride powder:
step S1: weighing the corresponding raw materials of each component, adding polyethylene and nano titanium powder into a vacuum drier, and drying for 4 hours at the temperature of 80 ℃;
step S2: adding the polyethylene and the nano titanium powder dried in the step S1 into an internal mixer, mixing for 15min at the temperature of 100 ℃ and the rotating speed of 30r/min, adding a flame retardant and a corrosion resistant agent, mixing for 30min at the temperature of 100 ℃ and the rotating speed of 30r/min, adding a lubricant and a plasticizer, mixing for 1h at the temperature of 100 ℃ and the rotating speed of 30r/min to obtain a fourth premix;
step S3: adding the fourth premix obtained in the step S2 into a conical double-screw extruder, extruding at the temperature of 180 ℃ to obtain a fifth premix, adding the fifth premix into a cooling water tank, and cooling to obtain a sixth premix;
step S4: and (5) putting the sixth premix obtained in the step (S3) into a plastic dryer, drying for 15min, adding into a granulator, and granulating to obtain the plastic material.
Comparative example 2
Compared with the example 1, the comparative example is prepared by the following method without adding nano titanium powder:
step S1: weighing the corresponding raw materials of each component, adding polyethylene and silicon nitride powder into a vacuum drier, and drying for 4 hours at the temperature of 80 ℃;
step S2: adding the polyethylene and silicon nitride powder dried in the step S1 into an internal mixer, mixing for 15min at the temperature of 100 ℃ and the rotating speed of 30r/min, adding a flame retardant and a corrosion resistant agent, mixing for 30min at the temperature of 100 ℃ and the rotating speed of 30r/min, adding a lubricant and a plasticizer, mixing for 1h at the temperature of 100 ℃ and the rotating speed of 30r/min to obtain a seventh premix;
step S3: adding the seventh premix obtained in the step S2 into a conical double-screw extruder, extruding at the temperature of 180 ℃ to obtain an eighth premix, adding the eighth premix into a cooling water tank, and cooling to obtain a ninth premix;
step S4: and (5) putting the ninth premix obtained in the step (S3) into a plastic dryer, drying for 15min, adding into a granulator, and granulating to obtain the plastic material.
Comparative example 3
Compared with example 1, the comparative example is prepared by the following method without adding corrosion resistant agent:
step S1: weighing the corresponding raw materials of each component, adding polyethylene, silicon nitride powder and nano titanium powder into a vacuum drier, and drying for 4 hours at the temperature of 80 ℃;
step S2: adding the polyethylene powder, the silicon nitride powder and the nano titanium powder dried in the step S1 into an internal mixer, mixing for 15min at the temperature of 100 ℃ and the rotating speed of 30r/min, adding a flame retardant, mixing for 30min at the temperature of 100 ℃ and the rotating speed of 30r/min, adding a lubricant and a plasticizer, mixing for 1h at the temperature of 100 ℃ and the rotating speed of 30r/min to obtain a tenth premix;
step S3: adding the tenth premix obtained in the step S2 into a conical double-screw extruder, extruding at the temperature of 180 ℃ to obtain an eleventh premix, adding the eleventh premix into a cooling water tank, and cooling to obtain a twelfth premix;
step S4: and (5) putting the twelfth premix obtained in the step (S3) into a plastic dryer, drying for 15-30min, adding into a granulator, and granulating to obtain the plastic material.
Comparative example 4
The comparison example is a common plastic material on the market
The hardness and corrosion resistance tests were performed on the plastic materials prepared in examples 1 to 2 and comparative examples 1 to 4, and the results are shown in table 1 below;
hardness: the plastic materials prepared in examples 1-2 and comparative examples 1-4 were made into corresponding samples according to the GB/T1039-92 standard, the samples were placed on a firm plane under the environment specified in GB/T2918-.
Corrosion resistance: the plastic materials prepared in examples 1-2 and comparative examples 1-4 were prepared into corresponding samples according to the GB/T11547-2008 standard, and the samples were tested according to the GB/T11547-2008 standard, wherein the samples used in the test were acetic acid with a mass fraction of 99.5%, nitric acid with a mass fraction of 50%, and dichlorobenzene with a mass fraction of 100%, the temperatures were 20 ℃, 60 ℃ and 100 ℃, the soaking time was 90 days, and the grade of appearance change was observed according to GB/T15596-1995.
TABLE 1
From the above table 1, it can be seen that the shore hardness of the examples 1-2 and the comparative example 3 is much greater than that of the examples 1-2 and 4, silicon nitride powder is added, the silicon nitride is a structural ceramic material, and nitrogen atoms and silicon atoms in the material are mutually combined by strong covalent bonds, so that the plastic material has good hardness, the nano titanium powder is an inorganic metal material, the pores between the molecules are small, the nano titanium powder has good hardness, and the hardness of the plastic material is further improved by mixing the nano titanium powder with the silicon nitride; the corrosion resistance of the embodiments 1-2 and the comparative example 1 is higher than that of the comparative examples 2-4, the corrosion resistant agent generates a polymer containing silicon-oxygen bonds in the preparation process, a protective film is formed on the surface of the plastic in the preparation process of the plastic due to the silicon-oxygen bonds to prevent corrosive substances from entering the interior of the plastic molecules, meanwhile, the polymer is used for improving the density of the plastic material and further preventing the corrosive substances from entering the interior of the plastic molecules, novolac epoxy resin reacts with methacrylic acid to generate vinyl resin, double bonds at two ends of a molecular chain of the resin are extremely active and can be rapidly cured to quickly obtain the use strength, the polymer with high corrosion resistance is formed, so that the corrosion resistance of the plastic is improved, the corrosion resistant agent is mixed with nano titanium powder for use, titanium and oxygen have high affinity, and a layer of compact, The oxide film with strong adhesive force and large inertia can protect the plastic from being corroded.
Referring to fig. 1 to 3, the plastic dryers in examples 1 to 2 and comparative examples 1 to 3 include a support base 1, a drying cabinet 2, and a drying device 3, wherein the support base 1 is disposed on a plane, the support base 1 is connected to a lower end of the drying cabinet 2, and the drying device 3 is installed at one side of the drying cabinet 2;
the supporting seat 1 comprises two supporting columns 11 and two anti-skid layers 12, and the supporting columns 11 are connected with the anti-skid layers 12;
the drying box body 2 comprises a heat insulation shell 21, a feeding hole 22 is formed in the upper end of the outer portion of the heat insulation shell 21, a discharging hole 23 is formed in the lower end of the outer portion of the heat insulation shell 21, the lower end of the outer portion of the heat insulation shell 21 is connected with the supporting body 11, an air outlet 25 is formed in the upper end of one side of the outer portion of the heat insulation shell 21, an air inlet 24 is formed in the lower end of one side of the outer portion of the heat insulation shell 21, the air inlet 24 and the air outlet 25 are located on the same side of the heat insulation shell 21, a first conveying belt 26, a second conveying belt 27, a third conveying belt 28 and a fourth conveying belt 29 are sequentially arranged in a diagonal mode from top to bottom in the heat insulation shell 21, the first conveying belt 26 and the air outlet 25 are; the feed inlet 22 comprises a motor 221 and a motor fixing frame 227, the motor fixing frame 227 fixes the motor 221, an output shaft of the motor 221 is connected with a rotating shaft 222, and the rotating shaft 222 is sequentially provided with a first helical blade 223, a second helical blade 224, a third helical blade 225 and a fourth helical blade 226 from top to bottom;
the drying device 3 comprises a blower 31, an air outlet of the blower 31 is connected with one end of a ventilation pipe 32, the other end of the ventilation pipe is connected with the air inlet 24, and a heater 33 is arranged on the ventilation pipe 32.
The working principle is as follows: the blower 31 and the heater 33 are turned on to make the wind entering the drying box 2 be hot wind, the motor 221 is turned on to make the first helical blade 223, the second helical blade 224, the third helical blade 225 and the fourth helical blade 226 start to rotate, the first conveyor belt 26, the second conveyor belt 27, the third conveyor belt 28 and the fourth conveyor belt 29 are turned on, the equipment operates normally, the third premix is added into the feed inlet 22, the third premix is fully dispersed through the first helical blade 223, the second helical blade 224, the third helical blade 225 and the fourth helical blade 226 to prevent the third premix from being bonded together due to moisture content and affecting the use effect, the third premix enters the drying box 2, is scattered and laid on the first conveyor belt 26 and is conveyed by the conveyor belt, is scattered and laid on the second conveyor belt 27, the third conveyor belt 28 and the fourth conveyor belt 29 step by step, the hot air passes through the fourth conveyer belt 29, the third conveyer belt 28, the second conveyer belt 27 and the first conveyer belt 26 to heat and dry the third premix, the third premix is spread on the conveyer belt, so that the third premix is fully contacted with the hot air, the drying effect is good, the hot air is discharged through the air outlet 25, and the third premix is conveyed to the discharge port 23 through the fourth conveyer belt 29 to obtain the dried third premix.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (10)
1. The high-hardness corrosion-resistant plastic material is characterized in that: the plastic material is composed of the following raw materials in parts by weight: 80-100 parts of polypropylene, 13.5-16 parts of lubricant, 14-17.5 parts of flame retardant, 13-15 parts of silicon nitride powder, 15-18 parts of nano titanium powder, 13.5-16 parts of corrosion inhibitor and 14.5-18 parts of plasticizer;
the plastic material is prepared by the following method:
step S1: weighing the corresponding raw materials of each component, adding polyethylene, silicon nitride powder and nano titanium powder into a vacuum drier, and drying for 4-5 hours at the temperature of 80-90 ℃;
step S2: adding the polyethylene powder, the silicon nitride powder and the nano titanium powder dried in the step S1 into an internal mixer, mixing for 15-20min at the temperature of 100-;
step S3: adding the first premix obtained in the step S2 into a conical double-screw extruder, extruding at the temperature of 180-200 ℃ to obtain a second premix, adding the second premix into a cooling water tank, and cooling to obtain a third premix;
step S4: putting the third premix obtained in the step S3 into a plastic dryer, and drying for 15-30min, wherein the specific operations are as follows: the air blower (31) and the heater (33) are turned on to enable air entering the drying box body (2) to be hot air, the motor (221) is turned on to enable the first spiral blade (223), the second spiral blade (224), the third spiral blade (225) and the fourth spiral blade (226) to start rotating, the first conveying belt (26), the second conveying belt (27), the third conveying belt (28) and the fourth conveying belt (29) are opened, the equipment runs normally, third premix is added into the feeding hole (22), the third premix is fully dispersed through the first spiral blade (223), the second spiral blade (224), the third spiral blade (225) and the fourth spiral blade (226), enters the drying box body (2), is scattered and laid on the first conveying belt (26), is conveyed by the conveying belt and is scattered and laid on the second conveying belt (27) and the fourth conveying belt (226) step by step, On the third conveyer belt (28) and the fourth conveyer belt (29), hot air is heated and dried by the fourth conveyer belt (29), the third conveyer belt (28), the second conveyer belt (27) and the first conveyer belt (26), the hot air is discharged through the air outlet (25), the third premix is conveyed to the discharge port (23) through the fourth conveyer belt (29) to obtain dried third premix, and the dried third premix is added into a granulator to be granulated to prepare the plastic material.
2. The high-hardness corrosion-resistant plastic material according to claim 1, wherein: the lubricant is one or a mixture of polyethylene wax, melamine resin and butyl stearate.
3. The high-hardness corrosion-resistant plastic material according to claim 1, wherein: the flame retardant is one or a mixture of more of tricresyl phosphate, decabromodiphenyl ether and phosphoric triester.
4. The high-hardness corrosion-resistant plastic material according to claim 1, wherein: the plasticizer is one or a mixture of more of di-sec-octyl phthalate, dioctyl adipate and sebacate.
5. A method for preparing the high-hardness corrosion-resistant plastic material suitable for the material of claim 1, which is characterized by comprising the following steps: the method comprises the following steps:
step S1: weighing the corresponding raw materials of each component, adding polyethylene, silicon nitride powder and nano titanium powder into a vacuum drier, and drying for 4-5 hours at the temperature of 80-90 ℃;
step S2: adding the polyethylene powder, the silicon nitride powder and the nano titanium powder dried in the step S1 into an internal mixer, mixing for 15-20min at the temperature of 100-;
step S3: adding the first premix obtained in the step S2 into a conical double-screw extruder, extruding at the temperature of 180-200 ℃ to obtain a second premix, adding the second premix into a cooling water tank, and cooling to obtain a third premix;
step S4: putting the third premix obtained in the step S3 into a plastic dryer, and drying for 15-30min, wherein the specific operations are as follows: the air blower (31) and the heater (33) are turned on to enable air entering the drying box body (2) to be hot air, the motor (221) is turned on to enable the first spiral blade (223), the second spiral blade (224), the third spiral blade (225) and the fourth spiral blade (226) to start rotating, the first conveying belt (26), the second conveying belt (27), the third conveying belt (28) and the fourth conveying belt (29) are opened, the equipment runs normally, third premix is added into the feeding hole (22), the third premix is fully dispersed through the first spiral blade (223), the second spiral blade (224), the third spiral blade (225) and the fourth spiral blade (226), enters the drying box body (2), is scattered and laid on the first conveying belt (26), is conveyed by the conveying belt and is scattered and laid on the second conveying belt (27) and the fourth conveying belt (226) step by step, On the third conveyer belt (28) and the fourth conveyer belt (29), hot air is heated and dried by the fourth conveyer belt (29), the third conveyer belt (28), the second conveyer belt (27) and the first conveyer belt (26), the hot air is discharged through the air outlet (25), the third premix is conveyed to the discharge port (23) through the fourth conveyer belt (29) to obtain dried third premix, and the dried third premix is added into a granulator to be granulated to prepare the plastic material.
6. The method for preparing the high-hardness corrosion-resistant plastic material according to claim 5, wherein the method comprises the following steps: the corrosion-resistant agent is composed of the following raw materials in parts by weight: 15-20 parts of dimethyldichlorosilane, 13-15 parts of sodium hydroxide solution, 7.5-8 parts of titanium tetrachloride, 10-13 parts of deionized water, 20-25 parts of novolac epoxy resin and 20-25 parts of methacrylic acid;
the corrosion-resistant agent is prepared by the following method:
1) adding dimethyldichlorosilane and a sodium hydroxide solution into a reaction kettle, and reacting for 35-50min at the temperature of 75-80 ℃ and the rotating speed of 800r/min to prepare a first intermediate;
2) adding the first intermediate prepared in the step 1), titanium tetrachloride and deionized water into a reaction kettle, reacting for 2-2.5h at the temperature of 90-95 ℃ and the rotating speed of 1000r/min, standing for 30-45min, layering, and removing a water layer to prepare a second intermediate;
3) adding phenolic epoxy resin and methacrylic acid into a reaction kettle, and reacting for 1-2h at the temperature of 50-70 ℃ and the rotating speed of 800-;
4) adding the second intermediate and the third intermediate into a reaction kettle, and stirring for 2-3h at the temperature of 120-.
7. The method for preparing the high-hardness corrosion-resistant plastic material according to claim 6, wherein the method comprises the following steps: the concentration of the sodium hydroxide solution is 2 mol/L.
8. The method for preparing the high-hardness corrosion-resistant plastic material according to claim 5, wherein the method comprises the following steps: the plastic rubber dryer comprises a supporting seat (1), a drying box body (2) and a drying device (3), wherein the supporting seat (1) is placed on a plane, the supporting seat (1) is connected with the lower end of the drying box body (2), and the drying device (3) is installed on one side of the drying box body (2);
the drying box body (2) comprises a heat insulation shell (21), a feeding hole (22) is formed in the upper end of the outer portion of the heat insulation shell (21), a discharging hole (23) is formed in the lower end of the outer portion of the heat insulation shell (21), a gas outlet (25) is formed in the upper end of one side of the outer portion of the heat insulation shell (21), a gas inlet (24) is formed in the lower end of one side of the outer portion of the heat insulation shell (21), the gas inlet (24) and the gas outlet (25) are located on the same side of the heat insulation shell (21), a first conveying belt (26), a second conveying belt (27), a third conveying belt (28) and a fourth conveying belt (29) are sequentially arranged in the heat insulation shell (21) from top to bottom, the first conveying belt (26) is located on one side of the heat, the second conveyor belt (27), the third conveyor belt (28) and the fourth conveyor belt (29) are arranged diagonally in sequence; the feeding hole (22) comprises an electric motor (221) and an electric motor fixing frame (227), the electric motor (221) is fixed by the electric motor fixing frame (227), an output shaft of the electric motor (221) is connected with a rotating shaft (222), and the rotating shaft (222) is sequentially provided with a first helical blade (223), a second helical blade (224), a third helical blade (225) and a fourth helical blade (226) from top to bottom;
the drying device (3) comprises a blower (31), an air outlet of the blower (31) is connected with one end of a ventilation pipe (32), the other end of the ventilation pipe is connected with an air inlet (24), and a heater (33) is arranged on the ventilation pipe (32).
9. The method for preparing the high-hardness corrosion-resistant plastic material according to claim 8, wherein the method comprises the following steps: the supporting seat (1) comprises two supporting columns (11) and an anti-skid layer (12), one end of each supporting column (11) is connected with the anti-skid layer (12), and the other end (11) of each supporting column is connected with the lower end of the drying box body (2).
10. The method for preparing the high-hardness corrosion-resistant plastic material according to claim 8, wherein the method comprises the following steps: the heat insulation shell (21) is made of silicon nitride ceramics.
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