CN116622143A - Injection molding composite material of pump accessory and preparation method thereof - Google Patents
Injection molding composite material of pump accessory and preparation method thereof Download PDFInfo
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- CN116622143A CN116622143A CN202310554353.5A CN202310554353A CN116622143A CN 116622143 A CN116622143 A CN 116622143A CN 202310554353 A CN202310554353 A CN 202310554353A CN 116622143 A CN116622143 A CN 116622143A
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- aqueous solution
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- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 238000001746 injection moulding Methods 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims description 44
- 230000001105 regulatory effect Effects 0.000 claims abstract description 55
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 53
- 239000000835 fiber Substances 0.000 claims abstract description 41
- 239000000654 additive Substances 0.000 claims abstract description 40
- 230000000996 additive effect Effects 0.000 claims abstract description 39
- 239000007822 coupling agent Substances 0.000 claims abstract description 32
- 239000008139 complexing agent Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 24
- -1 polyethylene Polymers 0.000 claims abstract description 22
- 239000004698 Polyethylene Substances 0.000 claims abstract description 21
- 229920000573 polyethylene Polymers 0.000 claims abstract description 21
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 11
- 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 11
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 11
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003381 stabilizer Substances 0.000 claims abstract description 11
- 239000008117 stearic acid Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 117
- 239000007864 aqueous solution Substances 0.000 claims description 83
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical class [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 50
- 239000000243 solution Substances 0.000 claims description 48
- 238000001035 drying Methods 0.000 claims description 42
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 38
- 238000005406 washing Methods 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000003365 glass fiber Substances 0.000 claims description 31
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims description 30
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 28
- 239000000413 hydrolysate Substances 0.000 claims description 28
- 238000001125 extrusion Methods 0.000 claims description 22
- 239000004115 Sodium Silicate Substances 0.000 claims description 21
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 21
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 21
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 19
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 16
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 16
- VQEHIYWBGOJJDM-UHFFFAOYSA-H lanthanum(3+);trisulfate Chemical compound [La+3].[La+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O VQEHIYWBGOJJDM-UHFFFAOYSA-H 0.000 claims description 16
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 15
- NGDQQLAVJWUYSF-UHFFFAOYSA-N 4-methyl-2-phenyl-1,3-thiazole-5-sulfonyl chloride Chemical compound S1C(S(Cl)(=O)=O)=C(C)N=C1C1=CC=CC=C1 NGDQQLAVJWUYSF-UHFFFAOYSA-N 0.000 claims description 15
- 229920001661 Chitosan Polymers 0.000 claims description 15
- 239000000661 sodium alginate Substances 0.000 claims description 15
- 235000010413 sodium alginate Nutrition 0.000 claims description 15
- 229940005550 sodium alginate Drugs 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 14
- 238000000498 ball milling Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 13
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- 239000000155 melt Substances 0.000 claims description 9
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 8
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 8
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 8
- 239000007853 buffer solution Substances 0.000 claims description 8
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 8
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 8
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 8
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 8
- 238000005469 granulation Methods 0.000 claims description 8
- 230000003179 granulation Effects 0.000 claims description 8
- XPGAWFIWCWKDDL-UHFFFAOYSA-N propan-1-olate;zirconium(4+) Chemical compound [Zr+4].CCC[O-].CCC[O-].CCC[O-].CCC[O-] XPGAWFIWCWKDDL-UHFFFAOYSA-N 0.000 claims description 8
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 8
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 7
- 239000008055 phosphate buffer solution Substances 0.000 claims description 7
- KCXFHTAICRTXLI-UHFFFAOYSA-N propane-1-sulfonic acid Chemical compound CCCS(O)(=O)=O KCXFHTAICRTXLI-UHFFFAOYSA-N 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 229920013716 polyethylene resin Polymers 0.000 claims description 6
- 229920001903 high density polyethylene Polymers 0.000 claims description 4
- 239000004700 high-density polyethylene Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000012986 modification Methods 0.000 abstract description 10
- 230000004048 modification Effects 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 239000011159 matrix material Substances 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 108010009736 Protein Hydrolysates Proteins 0.000 description 3
- 229920002748 Basalt fiber Polymers 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/325—Calcium, strontium or barium phosphate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/068—Ultra high molecular weight polyethylene
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an injection molding composite material of a pump accessory, which comprises the following raw materials in parts by weight: 35-40 parts of polyethylene material, 10-15 parts of whisker regulating fiber modifying additive, 6-10 parts of coupling agent complex regulating interface agent, 3-6 parts of rectorite complexing agent, 1-3 parts of stearic acid, 1-2 parts of antioxidant 1010 and 1-3 parts of organotin stabilizer. The injection molding composite material adopts the polyethylene material as a matrix, and the whisker is added to regulate the fiber modification additive, the coupling agent complex regulation interface agent and the rectorite coordination agent, so that the raw materials are mutually matched and coordinated, the wear resistance and the strength performance of the product can be improved in a coordinated manner, and meanwhile, the acid corrosion stability of the product is excellent.
Description
Technical Field
The invention relates to the technical field of injection molding composite materials, in particular to an injection molding composite material of a pump accessory and a preparation method thereof.
Background
The choice of materials for the pump is considered: strength, corrosion, wear resistance, production and machining properties, maintenance properties, costs, etc. Common materials for pumps are cast iron, cast steel, stainless steel, carbon structural steel, alloy steel, brass and nonmetallic materials. Non-metallic materials for pumps are mainly used for seals such as polytetrafluoroethylene, fluororubber, nitrile rubber and the like.
The existing composite material for the pump adopts a polyethylene organic material to be compounded with inorganic materials such as fibers and the like to improve the performance of the product, but the poor compatibility between the inorganic and organic materials leads to the poor performance of the product, such as the composite material with wear resistance and corrosion resistance of China patent document CN 113754940A and the manufacturing method of accessories for the pump, which comprises 35 to 50 parts by mass of high-density polyethylene, 20 to 30 parts by mass of linear low-density polyethylene, 15 to 35 parts by mass of ultrahigh molecular weight polyethylene, 5 to 15 parts by mass of reinforcing fibers and 1.5 to 5 parts by mass of processing aid after mixing, melt extrusion and granulation, and the injection molding grade composite material is prepared after plasticization and uniform mixing.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art and provides an injection molding composite material of a pump accessory and a preparation method thereof, so as to solve the problems in the prior art.
The invention solves the technical problems by adopting the following technical scheme:
the invention provides an injection molding composite material of a pump accessory, which comprises the following raw materials in parts by weight:
35-40 parts of polyethylene material, 10-15 parts of whisker regulating fiber modifying additive, 6-10 parts of coupling agent complex regulating interface agent, 3-6 parts of rectorite complexing agent, 1-3 parts of stearic acid, 1-2 parts of antioxidant 1010 and 1-3 parts of organotin stabilizer.
Preferably, the injection molding composite material comprises the following raw materials in parts by weight:
37.5 parts of polyethylene material, 12.5 parts of whisker regulating fiber modifying additive, 8 parts of coupling agent complex regulating interface agent, 4.5 parts of rectorite complexing agent, 2 parts of stearic acid, 1.5 parts of antioxidant 1010 and 2 parts of organotin stabilizer.
Preferably, the polyethylene material is selected from polyethylene resin with a melt index of more than or equal to 2g/10min or polyethylene resin with a melt index of less than or equal to 0.50g/10min, and ultra-high molecular weight polyethylene with a molecular weight of 1000-1200 ten thousand; one or more compositions of high density polyethylene having a crystallinity of 75 to 80% and a melt index of 15 to 20g/10 min.
Preferably, the preparation method of the whisker regulating fiber modified additive comprises the following steps:
s01: adding glass fibers into a sulfuric acid aqueous solution with the mass fraction of 5% according to the weight ratio of 1:5, standing for 1-2h, then washing and drying, transferring into a hydrogen peroxide aqueous solution with the mass fraction of 2%, continuing to stand for 1-1.5h, and obtaining the pre-modified glass fibers after the standing, washing and drying;
s02: the preparation method comprises the steps of (1) feeding silicon carbide whiskers into a chitosan aqueous solution which is 3-5 times of the silicon carbide whiskers, then adding sodium lignin sulfonate accounting for 10-15% of the total amount of the silicon carbide whiskers and yttrium nitrate solution accounting for 2-5% of the total amount of the silicon carbide whiskers, and uniformly stirring to obtain a silicon carbide whisker regulating solution;
s03: adding silica sol accounting for 10-15% of the total amount of the hydroxyapatite, 2-5% of carboxymethyl cellulose and 1-5% of sodium dodecyl sulfate into the hydroxyapatite, putting the mixture into a ball mill, ball milling for 1-2 hours at the speed of 1000-1500r/min, washing with water and drying to obtain a hydroxyapatite agent;
s04: adding the pre-modified glass fiber into silicon carbide whisker regulating liquid according to the weight ratio of 1:5, carrying out primary stirring reaction treatment, adding a hydroxyapatite agent accounting for 10-20% of the total weight of the pre-modified glass fiber after stirring, carrying out secondary stirring reaction, carrying out water washing and drying after stirring, and obtaining the whisker regulating fiber modifying additive.
Preferably, the mass fraction of the chitosan aqueous solution is 5-8%; the mass fraction of the yttrium nitrate solution is 10-15%.
Preferably, the rotation speed of the primary stirring reaction treatment is 450-550r/min, the stirring time is 20-30min, the stirring temperature is 40-45 ℃, the rotation speed of the secondary stirring reaction treatment is 750-850r/min, the stirring time is 30-40min, and the stirring temperature is 46-48 ℃.
Preferably, the preparation method of the coupling agent complex-tuning interface agent comprises the following steps:
and adding the silane coupling agent hydrolysate into the silane coupling agent hydrolysate according to the weight ratio of 5:1 adding sodium amphiphobic propane sulfonate, uniformly stirring, then adding sodium silicate aqueous solution accounting for 5-10% of the total amount of the hydrolysate of the silane coupling agent, and fully stirring to obtain a coupling agent complex-tuning interface agent;
wherein the silane coupling agent hydrolysate is prepared by adding 10 parts by weight of silane coupling agent KH560 and 5 parts by weight of deionized water into 100 parts by weight of ethanol solvent, and treating for 10-20min by adopting 200-220W ultrasonic power to obtain the silane coupling agent hydrolysate;
15 parts of sodium silicate aqueous solution is added into 40 parts of water, and the mixture is stirred for 30min at 80 ℃ and 400r/min to obtain the sodium silicate aqueous solution.
Preferably, the preparation method of the rectorite complexing agent comprises the following steps:
adding 5-10 parts of rectorite into 30-40 parts of ethanol solvent, uniformly stirring, then adding 1-3 parts of tetra-n-propyl zirconate and 0.2-0.5 part of lanthanum sulfate aqueous solution, and fully stirring to obtain rectorite solution;
adding sodium alginate aqueous solution accounting for 10-15% of total weight of rectorite solution and phosphoric acid buffer solution accounting for 5-10% of total weight of rectorite solution into rectorite solution, stirring uniformly, washing with water, and drying to obtain the rectorite complexing agent.
Preferably, the mass fraction of the lanthanum sulfate aqueous solution is 4-8%; the mass fraction of the sodium alginate aqueous solution is 10-15%; the pH of the phosphate buffer solution was 5.5.
The invention also provides a preparation method of the injection molding composite material of the pump accessory, which comprises the following steps: sequentially adding the raw materials into a stirrer, stirring and mixing uniformly, then feeding into a double-screw extruder for extrusion granulation, drying, wherein the extrusion temperature is 155-175 ℃, and the temperature of the double-screw extruder is set as follows: the feeding section is 145-155 ℃, the mixing section is 160-185 ℃, the extrusion granulating section is 185-195 ℃, and the machine head part is 195-205 ℃.
Compared with the prior art, the invention has the following beneficial effects:
1. the injection molding composite material adopts the polyethylene material as a matrix, and the whisker is added to adjust the fiber modification additive, the coupling agent complex interface agent and the rectorite coordination agent, so that the raw materials are mutually matched and coordinated, the wear resistance and the strength performance of the product can be improved in a coordinated manner, and meanwhile, the acid corrosion stability of the product is excellent;
2. the whisker regulating fiber modifying additive adopts glass fiber to be subjected to pre-modification through sulfuric acid aqueous solution and hydrogen peroxide aqueous solution, and silicon carbide whisker regulating liquid is formed through the cooperation of silicon carbide whisker, chitosan aqueous solution, sodium lignin sulfonate and yttrium nitrate solution; the hydroxyapatite is subjected to ball milling modification, matched with silica sol, carboxymethyl cellulose and sodium dodecyl sulfate for optimization, and then subjected to primary stirring reaction and secondary stirring reaction, and the prepared whisker regulating fiber modification additive is dispersed in a matrix through the joint coordination of silicon carbide whisker regulating liquid and a hydroxyapatite agent, so that the performance effect of the matrix is improved;
3. the coupling agent complex-tuning interface agent is matched with whiskers to adjust the fiber modification additive, the interface performance of a product system is optimized, the interface effect between organic and inorganic raw materials is improved, the rectorite coordination agent is prepared by mixing rectorite with tetra-n-propyl zirconate and lanthanum sulfate aqueous solution, and the prepared rectorite is inserted and complemented in the material through a layered chain structure by co-tuning with sodium alginate aqueous solution and phosphoric acid buffer solution, so that the wear resistance and strength performance of the product are further improved, and the coordination effect of the performance is optimized.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The injection molding composite material of the accessory for the pump comprises the following raw materials in parts by weight:
35-40 parts of polyethylene material, 10-15 parts of whisker regulating fiber modifying additive, 6-10 parts of coupling agent complex regulating interface agent, 3-6 parts of rectorite complexing agent, 1-3 parts of stearic acid, 1-2 parts of antioxidant 1010 and 1-3 parts of organotin stabilizer.
The injection molding composite material of the embodiment comprises the following raw materials in parts by weight:
37.5 parts of polyethylene material, 12.5 parts of whisker regulating fiber modifying additive, 8 parts of coupling agent complex regulating interface agent, 4.5 parts of rectorite complexing agent, 2 parts of stearic acid, 1.5 parts of antioxidant 1010 and 2 parts of organotin stabilizer.
The polyethylene material of the embodiment is selected from polyethylene resin with a melt index of more than or equal to 2g/10min or polyethylene resin with a melt index of less than or equal to 0.50g/10min, and ultra-high molecular weight polyethylene with a molecular weight of 1000-1200 ten thousand; one or more compositions of high density polyethylene having a crystallinity of 75 to 80% and a melt index of 15 to 20g/10 min.
The preparation method of the whisker-regulating fiber modified additive of the embodiment comprises the following steps:
s01: adding glass fibers into a sulfuric acid aqueous solution with the mass fraction of 5% according to the weight ratio of 1:5, standing for 1-2h, then washing and drying, transferring into a hydrogen peroxide aqueous solution with the mass fraction of 2%, continuing to stand for 1-1.5h, and obtaining the pre-modified glass fibers after the standing, washing and drying;
s02: the preparation method comprises the steps of (1) feeding silicon carbide whiskers into a chitosan aqueous solution which is 3-5 times of the silicon carbide whiskers, then adding sodium lignin sulfonate accounting for 10-15% of the total amount of the silicon carbide whiskers and yttrium nitrate solution accounting for 2-5% of the total amount of the silicon carbide whiskers, and uniformly stirring to obtain a silicon carbide whisker regulating solution;
s03: adding silica sol accounting for 10-15% of the total amount of the hydroxyapatite, 2-5% of carboxymethyl cellulose and 1-5% of sodium dodecyl sulfate into the hydroxyapatite, putting the mixture into a ball mill, ball milling for 1-2 hours at the speed of 1000-1500r/min, washing with water and drying to obtain a hydroxyapatite agent;
s04: adding the pre-modified glass fiber into silicon carbide whisker regulating liquid according to the weight ratio of 1:5, carrying out primary stirring reaction treatment, adding a hydroxyapatite agent accounting for 10-20% of the total weight of the pre-modified glass fiber after stirring, carrying out secondary stirring reaction, carrying out water washing and drying after stirring, and obtaining the whisker regulating fiber modifying additive.
The mass fraction of the chitosan aqueous solution in the embodiment is 5-8%; the mass fraction of the yttrium nitrate solution is 10-15%.
The rotational speed of the primary stirring reaction treatment is 450-550r/min, the stirring time is 20-30min, the stirring temperature is 40-45 ℃, the rotational speed of the secondary stirring reaction treatment is 750-850r/min, the stirring time is 30-40min, and the stirring temperature is 46-48 ℃.
The preparation method of the coupling agent complex-tuning interface agent of the embodiment comprises the following steps:
and adding the silane coupling agent hydrolysate into the silane coupling agent hydrolysate according to the weight ratio of 5:1 adding sodium amphiphobic propane sulfonate, uniformly stirring, then adding sodium silicate aqueous solution accounting for 5-10% of the total amount of the hydrolysate of the silane coupling agent, and fully stirring to obtain a coupling agent complex-tuning interface agent;
wherein the silane coupling agent hydrolysate is prepared by adding 10 parts by weight of silane coupling agent KH560 and 5 parts by weight of deionized water into 100 parts by weight of ethanol solvent, and treating for 10-20min by adopting 200-220W ultrasonic power to obtain the silane coupling agent hydrolysate;
15 parts of sodium silicate aqueous solution is added into 40 parts of water, and the mixture is stirred for 30min at 80 ℃ and 400r/min to obtain the sodium silicate aqueous solution.
The preparation method of the rectorite complexing agent in the embodiment comprises the following steps:
adding 5-10 parts of rectorite into 30-40 parts of ethanol solvent, uniformly stirring, then adding 1-3 parts of tetra-n-propyl zirconate and 0.2-0.5 part of lanthanum sulfate aqueous solution, and fully stirring to obtain rectorite solution;
adding sodium alginate aqueous solution accounting for 10-15% of total weight of rectorite solution and phosphoric acid buffer solution accounting for 5-10% of total weight of rectorite solution into rectorite solution, stirring uniformly, washing with water, and drying to obtain the rectorite complexing agent.
The mass fraction of the lanthanum sulfate aqueous solution in the embodiment is 4-8%; the mass fraction of the sodium alginate aqueous solution is 10-15%; the pH of the phosphate buffer solution was 5.5.
The preparation method of the injection molding composite material of the pump accessory comprises the following steps: sequentially adding the raw materials into a stirrer, stirring and mixing uniformly, then feeding into a double-screw extruder for extrusion granulation, drying, wherein the extrusion temperature is 155-175 ℃, and the temperature of the double-screw extruder is set as follows: the feeding section is 145-155 ℃, the mixing section is 160-185 ℃, the extrusion granulating section is 185-195 ℃, and the machine head part is 195-205 ℃.
Example 1
The injection molding composite material of the accessory for the pump comprises the following raw materials in parts by weight:
35 parts of polyethylene material, 10 parts of whisker regulating fiber modifying additive, 6 parts of coupling agent complex regulating interface agent, 3 parts of rectorite complexing agent, 1 part of stearic acid, 1 part of antioxidant 1010 and 1 part of organotin stabilizer.
The polyethylene material of this example is selected from ultra high molecular weight polyethylene having a molecular weight of 1200 ten thousand.
The preparation method of the whisker-regulating fiber modified additive of the embodiment comprises the following steps:
s01: adding glass fibers into a sulfuric acid aqueous solution with the mass fraction of 5% according to the weight ratio of 1:5, standing for 1h, then washing and drying, transferring into a hydrogen peroxide aqueous solution with the mass fraction of 2%, continuing to stand for 1h, and obtaining the pre-modified glass fibers after the standing, washing and drying;
s02: the preparation method comprises the steps of (1) feeding silicon carbide whiskers into a chitosan aqueous solution which is 3 times of the silicon carbide whiskers, then adding sodium lignin sulfonate accounting for 10% of the total silicon carbide whiskers and yttrium nitrate solution accounting for 2% of the total silicon carbide whiskers, and uniformly stirring to obtain a silicon carbide whisker regulating solution;
s03: adding silica sol accounting for 10 percent of the total amount of the hydroxyapatite, 2 percent of carboxymethyl cellulose and 1 percent of sodium dodecyl sulfate into the hydroxyapatite, sending the mixture into a ball mill for ball milling for 1h, wherein the ball milling rotating speed is 1000r/min, and after ball milling, washing and drying the mixture to obtain a hydroxyapatite agent;
s04: adding the pre-modified glass fiber into silicon carbide whisker regulating liquid according to the weight ratio of 1:5, carrying out primary stirring reaction treatment, adding a hydroxyapatite agent accounting for 10% of the total weight of the pre-modified glass fiber, carrying out secondary stirring reaction, carrying out stirring, washing with water, and drying to obtain the whisker regulating fiber modified additive.
The mass fraction of the chitosan aqueous solution in the embodiment is 5%; the mass fraction of the yttrium nitrate solution is 10%.
The rotational speed of the primary stirring reaction treatment in this example was 450r/min, the stirring time was 20min, the stirring temperature was 40 ℃, the rotational speed of the secondary stirring reaction treatment was 750r/min, the stirring time was 30min, and the stirring temperature was 46 ℃.
The preparation method of the coupling agent complex-tuning interface agent of the embodiment comprises the following steps:
and adding the silane coupling agent hydrolysate into the silane coupling agent hydrolysate according to the weight ratio of 5:1 adding sodium amphiphobic propane sulfonate, uniformly stirring, then adding sodium silicate aqueous solution accounting for 5% of the total amount of the hydrolysate of the silane coupling agent, and fully stirring to obtain a coupling agent complex-mixing interface agent;
wherein the silane coupling agent hydrolysate is prepared by adding 10 parts by weight of silane coupling agent KH560 and 5 parts by weight of deionized water into 100 parts by weight of ethanol solvent, and treating for 10min by adopting 200W ultrasonic power;
15 parts of sodium silicate aqueous solution is added into 40 parts of water, and the mixture is stirred for 30min at 80 ℃ and 400r/min to obtain the sodium silicate aqueous solution.
The preparation method of the rectorite complexing agent in the embodiment comprises the following steps:
adding 5 parts of rectorite into 30 parts of ethanol solvent, uniformly stirring, adding 1 part of tetra-n-propyl zirconate and 0.2 part of lanthanum sulfate aqueous solution, and fully stirring to obtain rectorite liquid;
adding sodium alginate aqueous solution accounting for 10 percent of the total weight of the rectorite solution and phosphoric acid buffer solution accounting for 5 percent of the total weight of the rectorite solution into the rectorite solution, uniformly stirring, washing with water, and drying to obtain the rectorite complexing agent.
The mass fraction of the lanthanum sulfate aqueous solution in the embodiment is 4%; the mass fraction of the sodium alginate aqueous solution is 10%; the pH of the phosphate buffer solution was 5.5.
The preparation method of the injection molding composite material of the pump accessory comprises the following steps: sequentially adding the raw materials into a stirrer, stirring and mixing uniformly, then feeding into a double-screw extruder for extrusion granulation, drying, wherein the extrusion temperature is 155 ℃, and the temperature of the double-screw extruder is set as follows: 145 ℃ of a feeding section, 160 ℃ of a mixing section, 185 ℃ of an extrusion granulating section and 195 ℃ of a machine head part.
Example 2
The injection molding composite material of the accessory for the pump comprises the following raw materials in parts by weight:
40 parts of polyethylene material, 15 parts of whisker regulating fiber modifying additive, 10 parts of coupling agent complex regulating interface agent, 6 parts of rectorite complexing agent, 3 parts of stearic acid, 2 parts of antioxidant 1010 and 3 parts of organotin stabilizer.
The polyethylene material of this example is selected from ultra high molecular weight polyethylene having a molecular weight of 1200 ten thousand.
The preparation method of the whisker-regulating fiber modified additive of the embodiment comprises the following steps:
s01: adding glass fibers into a sulfuric acid aqueous solution with the mass fraction of 5% according to the weight ratio of 1:5, standing for 2 hours, then washing and drying, transferring into a hydrogen peroxide aqueous solution with the mass fraction of 2%, continuing to stand for 1.5 hours, and obtaining the pre-modified glass fibers after the standing, washing and drying;
s02: the preparation method comprises the steps of (1) feeding silicon carbide whiskers into a chitosan aqueous solution which is 5 times of the silicon carbide whiskers, then adding sodium lignin sulfonate accounting for 15% of the total silicon carbide whiskers and a yttrium nitrate solution accounting for 5% of the total silicon carbide whiskers, and uniformly stirring to obtain a silicon carbide whisker regulating solution;
s03: adding silica sol accounting for 15 percent of the total amount of the hydroxyapatite, 5 percent of carboxymethyl cellulose and 5 percent of sodium dodecyl sulfate into the hydroxyapatite, sending the mixture into a ball mill for ball milling for 2 hours, wherein the ball milling rotating speed is 1500r/min, and after ball milling, washing and drying the mixture to obtain a hydroxyapatite agent;
s04: adding the pre-modified glass fiber into silicon carbide whisker regulating liquid according to the weight ratio of 1:5, carrying out primary stirring reaction treatment, adding a hydroxyapatite agent accounting for 20% of the total weight of the pre-modified glass fiber, carrying out secondary stirring reaction, carrying out stirring, washing with water, and drying to obtain the whisker regulating fiber modified additive.
The mass fraction of the chitosan aqueous solution of the embodiment is 8%; the mass fraction of the yttrium nitrate solution is 15%.
The rotational speed of the primary stirring reaction treatment in this example was 550r/min, the stirring time was 30min, the stirring temperature was 45 ℃, the rotational speed of the secondary stirring reaction treatment was 850r/min, the stirring time was 40min, and the stirring temperature was 48 ℃.
The preparation method of the coupling agent complex-tuning interface agent of the embodiment comprises the following steps:
and adding the silane coupling agent hydrolysate into the silane coupling agent hydrolysate according to the weight ratio of 5:1 adding sodium amphiphobic propane sulfonate, uniformly stirring, then adding a sodium silicate aqueous solution accounting for 10% of the total amount of a silane coupling agent hydrolysate, and fully stirring to obtain a coupling agent complex-mixing interface agent;
wherein the silane coupling agent hydrolysate is prepared by adding 10 parts by weight of silane coupling agent KH560 and 5 parts by weight of deionized water into 100 parts by weight of ethanol solvent, and treating for 20min by adopting 220W ultrasonic power;
15 parts of sodium silicate aqueous solution is added into 40 parts of water, and the mixture is stirred for 30min at 80 ℃ and 400r/min to obtain the sodium silicate aqueous solution.
The preparation method of the rectorite complexing agent in the embodiment comprises the following steps:
adding 10 parts of rectorite into 40 parts of ethanol solvent, uniformly stirring, adding 3 parts of tetra-n-propyl zirconate and 0.5 part of lanthanum sulfate aqueous solution, and fully stirring to obtain rectorite liquid;
adding sodium alginate aqueous solution accounting for 15 percent of the total weight of the rectorite solution and phosphoric acid buffer solution accounting for 10 percent of the total weight of the rectorite solution into the rectorite solution, uniformly stirring, washing with water, and drying to obtain the rectorite complexing agent.
The mass fraction of the lanthanum sulfate aqueous solution in the embodiment is 8%; 15% of sodium alginate aqueous solution by mass; the pH of the phosphate buffer solution was 5.5.
The preparation method of the injection molding composite material of the pump accessory comprises the following steps: sequentially adding the raw materials into a stirrer, stirring and mixing uniformly, then feeding into a double-screw extruder for extrusion granulation, drying, wherein the extrusion temperature is 175 ℃, and the temperature of the double-screw extruder is set as follows: 155 ℃ of a feeding section, 185 ℃ of a mixing section, 195 ℃ of an extrusion granulating section and 205 ℃ of a machine head part.
Example 3
The injection molding composite material of the accessory for the pump comprises the following raw materials in parts by weight:
37.5 parts of polyethylene material, 12.5 parts of whisker regulating fiber modifying additive, 8 parts of coupling agent complex regulating interface agent, 4.5 parts of rectorite complexing agent, 2 parts of stearic acid, 1.5 parts of antioxidant 1010 and 2 parts of organotin stabilizer.
The polyethylene material of this example is selected from ultra high molecular weight polyethylene having a molecular weight of 1200 ten thousand.
The preparation method of the whisker-regulating fiber modified additive of the embodiment comprises the following steps:
s01: adding glass fibers into a sulfuric acid aqueous solution with the mass fraction of 5% according to the weight ratio of 1:5, standing for 1.5 hours, then washing and drying, transferring into a hydrogen peroxide aqueous solution with the mass fraction of 2%, continuing to stand for 1.2 hours, and obtaining the pre-modified glass fibers after the standing, washing and drying;
s02: the preparation method comprises the steps of (1) feeding silicon carbide whiskers into a chitosan aqueous solution which is 4 times of the silicon carbide whiskers, then adding sodium lignin sulfonate accounting for 12% of the total amount of the silicon carbide whiskers and yttrium nitrate solution accounting for 3.5% of the total amount of the silicon carbide whiskers, and uniformly stirring to obtain a silicon carbide whisker regulating solution;
s03: adding 12.5% of silica sol, 3.5% of carboxymethyl cellulose and 3% of sodium dodecyl sulfate into the hydroxyapatite, putting the mixture into a ball mill, ball milling for 1.5 hours at the speed of 1250r/min, and washing and drying after ball milling to obtain a hydroxyapatite agent;
s04: adding the pre-modified glass fiber into silicon carbide whisker regulating liquid according to the weight ratio of 1:5, carrying out primary stirring reaction treatment, adding a hydroxyapatite agent accounting for 15% of the total weight of the pre-modified glass fiber, carrying out secondary stirring reaction, carrying out stirring, washing with water, and drying to obtain the whisker regulating fiber modified additive.
The mass fraction of the chitosan aqueous solution of the embodiment is 6.5%; the mass fraction of the yttrium nitrate solution is 12.5%.
The rotational speed of the primary stirring reaction treatment in this example was 500r/min, the stirring time was 25min, the stirring temperature was 42 ℃, the rotational speed of the secondary stirring reaction treatment was 800r/min, the stirring time was 35min, and the stirring temperature was 47 ℃.
The preparation method of the coupling agent complex-tuning interface agent of the embodiment comprises the following steps:
and adding the silane coupling agent hydrolysate into the silane coupling agent hydrolysate according to the weight ratio of 5:1 adding sodium amphiphobic propane sulfonate, uniformly stirring, then adding a sodium silicate aqueous solution accounting for 7.5% of the total amount of a silane coupling agent hydrolysate, and fully stirring to obtain a coupling agent complex-tuning interface agent;
wherein the silane coupling agent hydrolysate is prepared by adding 10 parts by weight of silane coupling agent KH560 and 5 parts by weight of deionized water into 100 parts by weight of ethanol solvent, and treating for 5min by adopting 210W ultrasonic power;
15 parts of sodium silicate aqueous solution is added into 40 parts of water, and the mixture is stirred for 30min at 80 ℃ and 400r/min to obtain the sodium silicate aqueous solution.
The preparation method of the rectorite complexing agent in the embodiment comprises the following steps:
adding 7.5 parts of rectorite into 35 parts of ethanol solvent, uniformly stirring, adding 2 parts of tetra-n-propyl zirconate and 0.35 part of lanthanum sulfate aqueous solution, and fully stirring to obtain rectorite liquid;
adding sodium alginate aqueous solution accounting for 12.5 percent of the total weight of the rectorite solution and phosphoric acid buffer solution accounting for 7.5 percent of the total weight of the rectorite solution into the rectorite solution, uniformly stirring, washing with water, and drying to obtain the rectorite complexing agent.
The mass fraction of the lanthanum sulfate aqueous solution in the embodiment is 6%; the mass fraction of the sodium alginate aqueous solution is 12.5%; the pH of the phosphate buffer solution was 5.5.
The preparation method of the injection molding composite material of the pump accessory comprises the following steps: sequentially adding the raw materials into a stirrer, stirring and mixing uniformly, then feeding into a double-screw extruder for extrusion granulation, drying, wherein the extrusion temperature is 160 ℃, and the temperature of the double-screw extruder is set as follows: 150 ℃ of the feeding section, 170 ℃ of the mixing section, 190 ℃ of the extrusion granulating section and 200 ℃ of the machine head part.
Example 4
The injection molding composite material of the accessory for the pump comprises the following raw materials in parts by weight:
36 parts of polyethylene material, 12 parts of whisker regulating fiber modifying additive, 7 parts of coupling agent complex regulating interface agent, 4 parts of rectorite complexing agent, 2 parts of stearic acid, 1.2 parts of antioxidant 1010 and 1.2 parts of organotin stabilizer.
The polyethylene material of this example is selected from ultra high molecular weight polyethylene having a molecular weight of 1200 ten thousand.
The preparation method of the whisker-regulating fiber modified additive of the embodiment comprises the following steps:
s01: adding glass fibers into a sulfuric acid aqueous solution with the mass fraction of 5% according to the weight ratio of 1:5, standing for 1.2 hours, then washing and drying, transferring into a hydrogen peroxide aqueous solution with the mass fraction of 2%, continuing to stand for 1.2 hours, and obtaining the pre-modified glass fibers after the standing, washing and drying;
s02: the preparation method comprises the steps of (1) feeding silicon carbide whiskers into a chitosan aqueous solution which is 4 times of the silicon carbide whiskers, then adding sodium lignin sulfonate accounting for 12% of the total amount of the silicon carbide whiskers and yttrium nitrate solution accounting for 3% of the total amount of the silicon carbide whiskers, and uniformly stirring to obtain a silicon carbide whisker regulating solution;
s03: adding 12% of silica sol, 3% of carboxymethyl cellulose and 2% of sodium dodecyl sulfate into the hydroxyapatite, putting the mixture into a ball mill, ball milling for 1.2h at the speed of 1200r/min, washing with water and drying to obtain a hydroxyapatite agent;
s04: adding the pre-modified glass fiber into silicon carbide whisker regulating liquid according to the weight ratio of 1:5, carrying out primary stirring reaction treatment, adding a hydroxyapatite agent accounting for 12% of the total weight of the pre-modified glass fiber, carrying out secondary stirring reaction, carrying out stirring, washing with water, and drying to obtain the whisker regulating fiber modified additive.
The mass fraction of the chitosan aqueous solution in the embodiment is 6%; the mass fraction of the yttrium nitrate solution is 12%.
The rotational speed of the primary stirring reaction treatment in this example was 500r/min, the stirring time was 22min, the stirring temperature was 42 ℃, the rotational speed of the secondary stirring reaction treatment was 760r/min, the stirring time was 32min, and the stirring temperature was 47 ℃.
The preparation method of the coupling agent complex-tuning interface agent of the embodiment comprises the following steps:
and adding the silane coupling agent hydrolysate into the silane coupling agent hydrolysate according to the weight ratio of 5:1 adding sodium amphiphobic propane sulfonate, uniformly stirring, then adding a sodium silicate aqueous solution accounting for 6% of the total amount of a silane coupling agent hydrolysate, and fully stirring to obtain a coupling agent complex-mixing interface agent;
wherein the silane coupling agent hydrolysate is prepared by adding 10 parts by weight of silane coupling agent KH560 and 5 parts by weight of deionized water into 100 parts by weight of ethanol solvent, and treating for 12min by adopting 210W ultrasonic power;
15 parts of sodium silicate aqueous solution is added into 40 parts of water, and the mixture is stirred for 30min at 80 ℃ and 400r/min to obtain the sodium silicate aqueous solution.
The preparation method of the rectorite complexing agent in the embodiment comprises the following steps:
adding 6 parts of rectorite into 32 parts of ethanol solvent, uniformly stirring, adding 2 parts of tetra-n-propyl zirconate and 0.3 part of lanthanum sulfate aqueous solution, and fully stirring to obtain rectorite liquid;
adding sodium alginate aqueous solution accounting for 12% of the total weight of the rectorite solution and phosphoric acid buffer solution accounting for 6% of the total weight of the rectorite solution into the rectorite solution, uniformly stirring, washing with water, and drying to obtain the rectorite complexing agent.
The mass fraction of the lanthanum sulfate aqueous solution in the embodiment is 5%; the mass fraction of the sodium alginate aqueous solution is 12%; the pH of the phosphate buffer solution was 5.5.
The preparation method of the injection molding composite material of the pump accessory comprises the following steps: sequentially adding the raw materials into a stirrer, stirring and mixing uniformly, then feeding into a double-screw extruder for extrusion granulation, drying, wherein the extrusion temperature is 160 ℃, and the temperature of the double-screw extruder is set as follows: 148 ℃ of the feeding section, 165 ℃ of the mixing section, 188 ℃ of the extrusion granulating section and 200 ℃ of the machine head part.
Comparative example 1.
The difference from optimization example 3 is that whisker-regulating fiber modifying additives were not added.
Comparative example 2.
The difference from the optimized example 3 is that no hydroxyapatite agent is added in the preparation of the whisker regulating fiber modification additive.
Comparative example 3.
The difference from the optimized example 3 is that the silicon carbide whisker regulating solution is directly prepared from silicon carbide whisker and deionized water according to the weight ratio of 1:5 in the preparation of the whisker regulating fiber modifying additive.
Comparative example 4.
The difference from the optimized example 3 is that basalt fiber and potassium hexatitanate whisker are adopted as glass fiber raw materials and silicon carbide whisker in the preparation of the whisker regulating fiber modification additive.
Comparative example 5.
The difference from optimization example 3 is that no coupling agent complex interface agent is added.
Comparative example 6.
The difference from optimization example 3 is that no rectorite complexant was added.
Comparative example 7.
The preparation of the rectorite complexant is different from that of the optimization example 3, and the lanthanum sulfate aqueous solution is not added.
The results of the performance measurements of examples 1-4 and comparative examples 1-7 are as follows
The products of the invention have excellent wear resistance and tensile strength effects, and meanwhile, the wear resistance and tensile strength can achieve coordination effects, and the prepared products can realize obviously improved coordination of wear resistance and tensile strength and have excellent corrosion resistance stability; one of the whisker-regulated fiber modification additive, the coupling agent complex regulation interface agent and the rectorite coordination agent is not added, the wear resistance and the tensile strength of the product are obviously reduced, the whisker-regulated fiber modification additive, the coupling agent complex regulation interface agent and the rectorite coordination agent are coordinated to be synergistic together, and the performance of the product can be optimized in a coordinated manner;
meanwhile, the hydroxyapatite agent is not added in the preparation of the whisker-regulating fiber modified additive, the silicon carbide whisker regulating solution is prepared by directly preparing silicon carbide whiskers and deionized water according to the weight ratio of 1:5 in the preparation of the whisker-regulating fiber modified additive, basalt fibers and potassium hexatitanate whiskers are adopted as glass fiber raw materials in the preparation of the whisker-regulating fiber modified additive, the performances of the product are in a poor trend, and only the whisker-regulating fiber modified additive prepared by the method and the rectorite complexing agent prepared by the method are synergistically enhanced, meanwhile, the interfacial property between the raw materials is enhanced by coordinating with a coupling agent, and the performance-coordinating improvement of the product can be realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The injection molding composite material of the accessory for the pump is characterized by comprising the following raw materials in parts by weight:
35-40 parts of polyethylene material, 10-15 parts of whisker regulating fiber modifying additive, 6-10 parts of coupling agent complex regulating interface agent, 3-6 parts of rectorite complexing agent, 1-3 parts of stearic acid, 1-2 parts of antioxidant 1010 and 1-3 parts of organotin stabilizer.
2. The injection molding composite material of a pump fitting according to claim 1, wherein the injection molding composite material comprises the following raw materials in parts by weight:
37.5 parts of polyethylene material, 12.5 parts of whisker regulating fiber modifying additive, 8 parts of coupling agent complex regulating interface agent, 4.5 parts of rectorite complexing agent, 2 parts of stearic acid, 1.5 parts of antioxidant 1010 and 2 parts of organotin stabilizer.
3. The injection molding composite material for pump fittings according to claim 1, wherein the polyethylene material is selected from polyethylene resin with a melt index of not less than 2g/10min or polyethylene resin with a melt index of not more than 0.50g/10min, ultra-high molecular weight polyethylene with a molecular weight of 1000-1200 ten thousand; one or more compositions of high density polyethylene having a crystallinity of 75 to 80% and a melt index of 15 to 20g/10 min.
4. The injection molding composite material of a pump fitting according to claim 1, wherein the whisker-regulating fiber modifying additive is prepared by the following steps:
s01: adding glass fibers into a sulfuric acid aqueous solution with the mass fraction of 5% according to the weight ratio of 1:5, standing for 1-2h, then washing and drying, transferring into a hydrogen peroxide aqueous solution with the mass fraction of 2%, continuing to stand for 1-1.5h, and obtaining the pre-modified glass fibers after the standing, washing and drying;
s02: the preparation method comprises the steps of (1) feeding silicon carbide whiskers into a chitosan aqueous solution which is 3-5 times of the silicon carbide whiskers, then adding sodium lignin sulfonate accounting for 10-15% of the total amount of the silicon carbide whiskers and yttrium nitrate solution accounting for 2-5% of the total amount of the silicon carbide whiskers, and uniformly stirring to obtain a silicon carbide whisker regulating solution;
s03: adding silica sol accounting for 10-15% of the total amount of the hydroxyapatite, 2-5% of carboxymethyl cellulose and 1-5% of sodium dodecyl sulfate into the hydroxyapatite, putting the mixture into a ball mill, ball milling for 1-2 hours at the speed of 1000-1500r/min, washing with water and drying to obtain a hydroxyapatite agent;
s04: adding the pre-modified glass fiber into silicon carbide whisker regulating liquid according to the weight ratio of 1:5, carrying out primary stirring reaction treatment, adding a hydroxyapatite agent accounting for 10-20% of the total weight of the pre-modified glass fiber after stirring, carrying out secondary stirring reaction, carrying out water washing and drying after stirring, and obtaining the whisker regulating fiber modifying additive.
5. The injection molding composite material for pump fittings according to claim 4, wherein the mass fraction of the chitosan aqueous solution is 5-8%; the mass fraction of the yttrium nitrate solution is 10-15%.
6. The injection molding composite material for pump fittings according to claim 4, wherein the rotational speed of the primary stirring reaction treatment is 450-550r/min, the stirring time is 20-30min, the stirring temperature is 40-45 ℃, the rotational speed of the secondary stirring reaction treatment is 750-850r/min, the stirring time is 30-40min, and the stirring temperature is 46-48 ℃.
7. The injection molding composite material of a pump fitting according to claim 1, wherein the preparation method of the coupling agent complex interface agent is as follows:
and adding the silane coupling agent hydrolysate into the silane coupling agent hydrolysate according to the weight ratio of 5:1 adding sodium amphiphobic propane sulfonate, uniformly stirring, then adding sodium silicate aqueous solution accounting for 5-10% of the total amount of the hydrolysate of the silane coupling agent, and fully stirring to obtain a coupling agent complex-tuning interface agent;
wherein the silane coupling agent hydrolysate is prepared by adding 10 parts by weight of silane coupling agent KH560 and 5 parts by weight of deionized water into 100 parts by weight of ethanol solvent, and treating for 10-20min by adopting 200-220W ultrasonic power to obtain the silane coupling agent hydrolysate;
15 parts of sodium silicate aqueous solution is added into 40 parts of water, and the mixture is stirred for 30min at 80 ℃ and 400r/min to obtain the sodium silicate aqueous solution.
8. The injection molding composite material of a pump fitting according to claim 1, wherein the preparation method of the rectorite complexing agent is as follows:
adding 5-10 parts of rectorite into 30-40 parts of ethanol solvent, uniformly stirring, then adding 1-3 parts of tetra-n-propyl zirconate and 0.2-0.5 part of lanthanum sulfate aqueous solution, and fully stirring to obtain rectorite solution;
adding sodium alginate aqueous solution accounting for 10-15% of total weight of rectorite solution and phosphoric acid buffer solution accounting for 5-10% of total weight of rectorite solution into rectorite solution, stirring uniformly, washing with water, and drying to obtain the rectorite complexing agent.
9. The injection molding composite material for pump fittings according to claim 8, wherein the mass fraction of the lanthanum sulfate aqueous solution is 4-8%; the mass fraction of the sodium alginate aqueous solution is 10-15%; the pH of the phosphate buffer solution was 5.5.
10. A method of preparing an injection molded composite material for a pump fitting according to any one of claims 1 to 9, comprising the steps of: sequentially adding the raw materials into a stirrer, stirring and mixing uniformly, then feeding into a double-screw extruder for extrusion granulation, drying, wherein the extrusion temperature is 155-175 ℃, and the temperature of the double-screw extruder is set as follows: the feeding section is 145-155 ℃, the mixing section is 160-185 ℃, the extrusion granulating section is 185-195 ℃, and the machine head part is 195-205 ℃.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117511056A (en) * | 2023-11-07 | 2024-02-06 | 贵州省纳米材料工程中心 | Polypropylene antibacterial material and preparation method thereof |
| CN117903744A (en) * | 2024-01-18 | 2024-04-19 | 东莞市艺辉胶粘剂有限公司 | Anaerobic adhesive composition and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117511056A (en) * | 2023-11-07 | 2024-02-06 | 贵州省纳米材料工程中心 | Polypropylene antibacterial material and preparation method thereof |
| CN117511056B (en) * | 2023-11-07 | 2024-05-14 | 贵州省纳米材料工程中心 | Polypropylene antibacterial material and preparation method thereof |
| CN117903744A (en) * | 2024-01-18 | 2024-04-19 | 东莞市艺辉胶粘剂有限公司 | Anaerobic adhesive composition and preparation method thereof |
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