CN113527842B - Low-temperature-resistant antifreezing bionic bait and preparation method thereof - Google Patents
Low-temperature-resistant antifreezing bionic bait and preparation method thereof Download PDFInfo
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- CN113527842B CN113527842B CN202110785755.7A CN202110785755A CN113527842B CN 113527842 B CN113527842 B CN 113527842B CN 202110785755 A CN202110785755 A CN 202110785755A CN 113527842 B CN113527842 B CN 113527842B
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- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000003607 modifier Substances 0.000 claims abstract description 33
- 239000003822 epoxy resin Substances 0.000 claims abstract description 31
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 31
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- 239000000049 pigment Substances 0.000 claims abstract description 19
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 17
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 17
- 238000001746 injection moulding Methods 0.000 claims abstract description 17
- 239000012188 paraffin wax Substances 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 238000007710 freezing Methods 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 68
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 claims description 42
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 39
- 239000000243 solution Substances 0.000 claims description 39
- 238000006243 chemical reaction Methods 0.000 claims description 36
- VYFOAVADNIHPTR-UHFFFAOYSA-N isatoic anhydride Chemical compound NC1=CC=CC=C1CO VYFOAVADNIHPTR-UHFFFAOYSA-N 0.000 claims description 34
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 26
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 24
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 claims description 24
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 239000007795 chemical reaction product Substances 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 18
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 239000012065 filter cake Substances 0.000 claims description 16
- 238000010992 reflux Methods 0.000 claims description 16
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims description 16
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims description 14
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 12
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- UERPUZBSSSAZJE-UHFFFAOYSA-N 3-chlorophthalic anhydride Chemical compound ClC1=CC=CC2=C1C(=O)OC2=O UERPUZBSSSAZJE-UHFFFAOYSA-N 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 claims description 8
- 229960000583 acetic acid Drugs 0.000 claims description 8
- 239000000706 filtrate Substances 0.000 claims description 8
- 239000008098 formaldehyde solution Substances 0.000 claims description 8
- 239000012362 glacial acetic acid Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 claims description 8
- 235000009518 sodium iodide Nutrition 0.000 claims description 8
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 7
- GJOWSEBTWQNKPC-UHFFFAOYSA-N 3-methyloxiran-2-ol Chemical compound CC1OC1O GJOWSEBTWQNKPC-UHFFFAOYSA-N 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000006228 supernatant Substances 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 5
- CTKINSOISVBQLD-UHFFFAOYSA-N Glycidol Chemical compound OCC1CO1 CTKINSOISVBQLD-UHFFFAOYSA-N 0.000 claims description 4
- 238000004440 column chromatography Methods 0.000 claims description 4
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 4
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N hexane Substances CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 4
- 239000005457 ice water Substances 0.000 claims description 4
- 239000012044 organic layer Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000002390 rotary evaporation Methods 0.000 claims description 3
- HCILJBJJZALOAL-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)-n'-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyl]propanehydrazide Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 HCILJBJJZALOAL-UHFFFAOYSA-N 0.000 claims description 2
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 2
- 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 description 2
- 229940024606 amino acid Drugs 0.000 claims description 2
- 150000001413 amino acids Chemical class 0.000 claims description 2
- 229960000956 coumarin Drugs 0.000 claims description 2
- 235000001671 coumarin Nutrition 0.000 claims description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical group OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 2
- 229940116333 ethyl lactate Drugs 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 2
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 claims description 2
- FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 claims description 2
- 235000012141 vanillin Nutrition 0.000 claims description 2
- 229940117960 vanillin Drugs 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 abstract 1
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 239000002904 solvent Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011115 styrene butadiene Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000238557 Decapoda Species 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 229920000587 hyperbranched polymer Polymers 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- QJQAMHYHNCADNR-UHFFFAOYSA-N n-methylpropanamide Chemical compound CCC(=O)NC QJQAMHYHNCADNR-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 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
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K85/00—Artificial bait for fishing
- A01K85/01—Artificial bait for fishing with light emission, sound emission, scent dispersal or the like
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/14—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
-
- 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
- C08G59/1477—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing nitrogen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
- Epoxy Resins (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses low-temperature-resistant antifreezing bionic bait and a preparation method thereof, wherein bisphenol A type epoxy resin and a modifier are uniformly mixed, then added into a double-screw extruder for extrusion granulation to obtain modified epoxy resin, the modified epoxy resin, paraffin, a curing agent, a phagostimulant, pigment and an antioxidant are uniformly mixed, then added into the double-screw extruder, and then molten and extruded into an injection molding machine for injection molding to obtain the low-temperature-resistant antifreezing bionic bait; the mechanical property of the bionic bait can be improved by adding the modifier, meanwhile, the bisphenol A type epoxy resin is modified by blending the modifier with the bisphenol A type epoxy resin, and the low temperature resistance of the bisphenol A type epoxy resin is improved, so that the low temperature resistance and the freezing resistance of the bionic bait are greatly improved, the bionic bait can be normally used in a low temperature environment, cannot be damaged, the service life of the bionic bait is prolonged, and the development of bionic bait products is promoted.
Description
Technical Field
The invention relates to the field of bionic bait, in particular to low-temperature-resistant antifreezing bionic bait and a preparation method thereof.
Background
As is well known, along with the improvement of the economic level of people, fishing is deeply favored by modern people as an outdoor activity, and the bionic bait prepared from the plastic for fishing has the effects of lifelike bionic fish, shrimp, worm and the like, can be used for a long time, does not need to replace bait and the like, is widely used in fishing enthusiasts, and epoxy resin is an important thermosetting material, has better adhesion, corrosion resistance, stability and excellent mechanical property and electrical insulation property, and is widely used in the fields of electronic appliances, automobiles, coatings, adhesives, base materials of fiber reinforced composite materials and the like, so the bionic bait is an excellent raw material for preparing the bionic bait;
however, after the bionic bait is immersed in low-temperature water under the low-temperature condition, the epoxy resin has higher crosslinking density, so that the internal stress of the system is increased, and the epoxy resin is brittle, fatigue-resistant and impact-resistant, so that the service life of the existing bionic bait is greatly shortened after the use in the low-temperature environment, and economic loss is caused;
how to improve the poor low-temperature-resistant and anti-freezing performance of the existing bionic bait is a problem to be solved by the invention.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide low-temperature-resistant anti-freezing bionic bait and a preparation method thereof: adding bisphenol A epoxy resin and a modifier into a high-speed mixer to be uniformly mixed, then adding the mixture into a double-screw extruder, carrying out melt extrusion, bracing, cooling, granulating and drying to obtain modified epoxy resin, adding the modified epoxy resin, paraffin, a curing agent, a phagostimulant, pigments and an antioxidant into the high-speed mixer to be uniformly mixed, then adding the mixture into the double-screw extruder, and carrying out melt extrusion into an injection molding machine to obtain the low-temperature-resistant anti-freezing bionic bait, thereby solving the problem of poor low-temperature-resistant anti-freezing performance of the existing bionic bait.
The aim of the invention can be achieved by the following technical scheme:
the low-temperature-resistant antifreezing bionic bait comprises the following components in parts by weight:
60-100 parts of bisphenol A type epoxy resin, 4-12 parts of modifier, 1-3 parts of paraffin, 15-20 parts of curing agent, 0.1-3 parts of phagostimulant, 0.1-3 parts of pigment and 1-5 parts of antioxidant;
the low-temperature-resistant antifreezing bionic bait is prepared by the following steps:
step one: adding bisphenol A epoxy resin and a modifier into a high-speed mixer, uniformly mixing, adding into a double-screw extruder, and performing melt extrusion, bracing, cooling, granulating and drying to obtain modified epoxy resin;
step two: adding the modified epoxy resin, paraffin, a curing agent, a phagostimulant, a pigment and an antioxidant into a high-speed mixer, uniformly mixing, adding into a double-screw extruder, melting and extruding into an injection molding machine, and performing injection molding to obtain the low-temperature-resistant anti-freezing bionic bait.
As a further scheme of the invention: the curing agent is aliphatic amine curing agent; one or two or more than two of vanillin, amino acid, ethyl lactate and coumarin serving as phagostimulants and a mixture of more than two of the above components in any proportion; the pigment is plant extraction pigment; the antioxidant is one or two or more of antioxidant 168, antioxidant 1010, antioxidant 1024 and antioxidant 1076, and mixture of more than two of them at random proportion.
As a further scheme of the invention: the preparation process of the modifier is as follows:
a1: adding formaldehyde solution into a three-neck flask provided with a magnetic stirrer, an air duct, a constant pressure dropping funnel and a reflux condenser, introducing nitrogen for protection, adding o-aminobenzyl alcohol solution dropwise while stirring under the condition of stirring speed of 500-800r/min, controlling the dropping speed to be 1 drop/s, heating to reflux after the dropping, continuing stirring for reaction for 4-6h, cooling the reaction product to room temperature after the reaction is finished, standing for layering, collecting an organic layer, rotationally evaporating to remove the solvent, and separating and purifying by column chromatography to obtain an intermediate 1;
the reaction principle is as follows:
a2: adding 3-chlorophthalic anhydride into a three-neck flask provided with a magnetic stirrer, a constant-pressure dropping funnel and a reflux condenser, adding glacial acetic acid, stirring for 20-30min under the conditions of 50-55 ℃ and stirring speed of 300-500r/min, then dropwise adding methylamine solution, controlling the dropping speed to be 1-3mL/min, heating to reflux and stirring for 4-5h after the dripping is finished, cooling to below 10 ℃ by using an ice water bath after the reaction is finished, vacuum filtering, and drying a filter cake in a vacuum drying box to constant weight to obtain an intermediate 2;
the reaction principle is as follows:
a3: adding the intermediate 2 and N, N-dimethylacetamide into a three-neck flask provided with a mechanical stirrer, stirring until the intermediate 2 is completely dissolved under the condition of stirring speed of 300-500r/min, heating, adding triphenylphosphine and nickel chloride when the temperature reaches 80 ℃, continuously reacting for 10-30min after stirring and dissolving, then adding sodium iodide, continuously stirring and dissolving, keeping the temperature at 80-90 ℃, adding zinc powder, reacting for 5-6h at constant temperature, standing and layering the reaction product after the reaction is finished, taking supernatant fluid, adding the supernatant fluid into methanol, stirring for 20-40min, filtering, sequentially flushing a filter cake with methanol and N-hexane for 2-3 times, then adding the filter cake into dichloromethane after drying, stirring until organic matters are completely dissolved, filtering to remove zinc powder, and rotationally evaporating filtrate to remove the solvent to obtain an intermediate 3;
the reaction principle is as follows:
a4: adding sodium hydroxide solution into a three-neck flask provided with a mechanical stirrer and a constant-pressure dropping funnel, adding an intermediate 3, gradually heating to boiling under the condition of stirring at the speed of 100-200r/min, controlling the heating speed to 1-2 ℃/min, continuously stirring for reaction for 1-2h after the solid is completely dissolved, dropwise adding concentrated hydrochloric acid to adjust the pH value of a reaction product to 7-8 after the reaction is finished, adding activated carbon to continuously boiling for reaction for 10-20min, filtering the reaction product after the reaction is finished, heating filtrate to boiling, dropwise adding concentrated hydrochloric acid to adjust the pH value of the reaction product to 1-1.5, standing and cooling for 10-15h, filtering, washing a filter cake with distilled water for 2-3 times, and drying to constant weight to obtain an intermediate 4;
the reaction principle is as follows:
a5: adding the intermediate 1 and the intermediate 4 into a three-neck flask provided with a mechanical stirrer and an air duct, introducing nitrogen for protection, and stirring and reacting for 20-30h under the conditions that the temperature is 22-28 ℃ and the stirring speed is 500-800r/min to obtain an intermediate 5; adding the glycidol into the intermediate 5, and continuously stirring and reacting for 20-30h to obtain the modifier.
The reaction principle is as follows:
as a further scheme of the invention: the mass fraction of the formaldehyde solution in the step A1 is 35-40%, the mass fraction of the o-aminobenzyl alcohol solution formed by dissolving the o-aminobenzyl alcohol in diethyl ether is 20-30%, and the molar ratio of the formaldehyde to the o-aminobenzyl alcohol is 1.0:1.0-1.5.
As a further scheme of the invention: the dosage ratio of the 3-chlorophthalic anhydride, glacial acetic acid and methylamine solution in the step A2 is 0.19mol:110mL:20g of methylamine solution, wherein the methylamine solution is prepared from methylamine according to the mass ratio of 3:7 is dissolved in deionized water.
As a further scheme of the invention: the dosage ratio of the intermediate 2, N-dimethylacetamide, triphenylphosphine, nickel chloride, sodium iodide and zinc powder in the step A3 is 0.1mol:200mL:106g:13g:3g:7.0-8.0g.
As a further scheme of the invention: the dosage ratio of the sodium hydroxide solution, the intermediate 3 and the activated carbon in the step A4 is 100mL:9g:1-3g, wherein the mass fraction of the sodium hydroxide solution is 20-25%, and the mass fraction of the concentrated hydrochloric acid is 35-37%.
As a further scheme of the invention: the molar ratio of intermediate 1 to intermediate 4 in step A5 is 1.0:3.3, the mole ratio of the epoxypropanol to the intermediate 5 is 1.0:3.0-7.0.
As a further scheme of the invention: a preparation method of low-temperature-resistant antifreezing bionic bait comprises the following steps:
step one: weighing 60-100 parts of bisphenol A epoxy resin, 4-12 parts of modifier, 1-3 parts of paraffin, 15-20 parts of curing agent, 0.1-3 parts of phagostimulant, 0.1-3 parts of pigment and 1-5 parts of antioxidant according to parts by weight for standby;
step two: adding bisphenol A epoxy resin and modifier into a high-speed mixer, mixing uniformly, adding into a double-screw extruder, performing melt extrusion, bracing, cooling, granulating and drying to obtain modified epoxy resin
Step three: adding the modified epoxy resin, paraffin, a curing agent, a phagostimulant, a pigment and an antioxidant into a high-speed mixer, uniformly mixing, adding into a double-screw extruder, melting and extruding into an injection molding machine, and performing injection molding to obtain the low-temperature-resistant anti-freezing bionic bait.
The invention has the beneficial effects that:
the invention relates to low-temperature-resistant antifreezing bionic bait and a preparation method thereof, wherein bisphenol A epoxy resin and a modifier are added into a high-speed mixer to be mixed uniformly, then the mixture is added into a double-screw extruder to be subjected to melt extrusion, bracing, cooling, granulating and drying to obtain modified epoxy resin, the modified epoxy resin, paraffin, a curing agent, a phagostimulant, pigment and an antioxidant are added into the high-speed mixer to be mixed uniformly, and then the mixture is added into the double-screw extruder to be subjected to melt extrusion into an injection molding machine to be subjected to injection molding to obtain the low-temperature-resistant antifreezing bionic bait; the mechanical property of the bionic bait can be improved by adding the modifier, and meanwhile, the bisphenol A type epoxy resin is modified by blending the modifier with the bisphenol A type epoxy resin, so that the low-temperature resistance of the bisphenol A type epoxy resin is improved, the low-temperature resistance and the anti-freezing performance of the bionic bait are greatly improved, the bionic bait can be normally used in a low-temperature environment and cannot be damaged, the service life of the bionic bait is prolonged, and the development of bionic bait products is promoted;
the low-temperature-resistant antifreezing bionic bait is characterized in that a modifier is also prepared in the process of preparing the low-temperature-resistant antifreezing bionic bait, formaldehyde reacts with o-aminobenzyl alcohol to generate an intermediate 1, 3-chlorophthalic anhydride reacts with methylamine to generate an intermediate 2, the intermediate 2 reacts with each other to generate an intermediate 3, the intermediate 3 generates an intermediate 4 under the action of sodium hydroxide and hydrochloric acid, carboxyl on the intermediate 4 and hydroxyl on the intermediate 1 undergo esterification reaction to generate an intermediate 5, the intermediate 5 is provided with a large number of carboxyl groups, the modifier can react with hydroxyl on epoxypropanol and hydroxyl on bisphenol A epoxy resin, epoxy groups on epoxypropanol can be dehydrated and contracted with carboxyl on other intermediate 5 after ring opening, a macromolecular hyperbranched crosslinking structure is formed, and the hyperbranched polymer has a highly branched structure, is not wound between chains, so that the molecular free volume is large, the three-dimensional network of bisphenol A epoxy resin contains a large amount of unoccupied space under the ultralow temperature environment, and the free space is free at the low temperature, so that the low-temperature-resistant epoxy resin can still have high-temperature impact toughness in the low-temperature-resistant bionic bait, and the low-temperature-resistant bionic bait can be prepared, and the toughness-resistant low-temperature-resistant bionic bait can be cured, and the low-temperature-resistant epoxy bait can be cured.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Example 1:
the embodiment is a preparation method of a modifier, comprising the following steps:
a1: adding formaldehyde solution into a three-neck flask provided with a magnetic stirrer, an air duct, a constant pressure dropping funnel and a reflux condenser, introducing nitrogen for protection, adding o-aminobenzyl alcohol solution dropwise while stirring under the condition of stirring speed of 500r/min, controlling the dropping speed to be 1 drop/s, heating to reflux after the dropping, continuing stirring for reaction for 4 hours, cooling the reaction product to room temperature after the reaction is finished, standing for layering, collecting an organic layer, rotationally evaporating to remove the solvent, and separating and purifying by column chromatography to obtain an intermediate 1; controlling the mass fraction of the formaldehyde solution to be 35%, wherein the mass fraction of the o-aminobenzyl alcohol solution formed by dissolving the o-aminobenzyl alcohol in diethyl ether is 20%, and the molar ratio of the formaldehyde to the o-aminobenzyl alcohol is 1.0:1.0;
a2: adding 3-chlorophthalic anhydride into a three-neck flask provided with a magnetic stirrer, a constant pressure dropping funnel and a reflux condenser, adding glacial acetic acid, stirring for 20min at 50 ℃ and a stirring rate of 300r/min, then dropwise adding methylamine solution, controlling the dropping rate to be 1mL/min, heating to reflux and stirring for 4h after the dropping, cooling to below 10 ℃ by using an ice water bath after the reaction is finished, vacuum filtering, and drying a filter cake in a vacuum drying oven until the weight is constant to obtain an intermediate 2; controlling the dosage ratio of the 3-chlorophthalic anhydride, glacial acetic acid and methylamine solution to be 0.19mol:110mL:20g of methylamine solution, wherein the methylamine solution is prepared from methylamine according to the mass ratio of 3:7, dissolving in deionized water to form a solution;
a3: adding the intermediate 2 and N, N-dimethylacetamide into a three-neck flask provided with a mechanical stirrer, stirring until the intermediate 2 is completely dissolved under the condition of stirring speed of 300r/min, heating, adding triphenylphosphine and nickel chloride when the temperature reaches 80 ℃, stirring and dissolving, continuing to react for 10min, adding sodium iodide, continuing to stir and dissolve, keeping the temperature at 80 ℃, adding zinc powder, reacting for 5h at constant temperature, standing and layering the reaction product after the reaction is finished, adding the supernatant into methanol, stirring for 20min, filtering, flushing a filter cake with methanol and N-hexane for 2 times in sequence, drying the filter cake, adding into dichloromethane, stirring until the organic matters are completely dissolved, filtering to remove zinc powder, and performing rotary evaporation on the filtrate to remove the solvent to obtain an intermediate 3; controlling the dosage ratio of the intermediate 2, the N, N-dimethylacetamide, the triphenylphosphine, the nickel chloride, the sodium iodide and the zinc powder to be 0.1mol:200mL:106g:13g:3g:7.0g;
a4: adding sodium hydroxide solution into a three-neck flask provided with a mechanical stirrer and a constant-pressure dropping funnel, adding an intermediate 3, gradually heating to boiling under the condition of stirring at the speed of 100r/min, controlling the heating speed to be 1 ℃/min, continuing stirring for reaction for 1h after the solid is completely dissolved, dropwise adding concentrated hydrochloric acid to adjust the pH value of a reaction product to be 7 after the reaction is finished, adding activated carbon to continue boiling reaction for 10min, filtering the reaction product after the reaction is finished, heating filtrate to be boiling, dropwise adding concentrated hydrochloric acid to adjust the pH value of the reaction product to be 1, standing and cooling for 10h, filtering, washing a filter cake with distilled water for 2 times, and drying to be constant weight to obtain an intermediate 4; controlling the dosage ratio of the sodium hydroxide solution, the intermediate 3 and the activated carbon to be 100mL:9g:1g, wherein the mass fraction of the sodium hydroxide solution is 20%, and the mass fraction of the concentrated hydrochloric acid is 35%;
a5: adding the intermediate 1 and the intermediate 4 into a three-neck flask provided with a mechanical stirrer and an air duct, introducing nitrogen for protection, and stirring and reacting for 20h under the condition that the temperature is 22 ℃ and the stirring speed is 500r/min to obtain an intermediate 5; adding glycidol into the intermediate 5, and continuously stirring and reacting for 20 hours to obtain a modifier; the molar ratio of the intermediate 1 to the intermediate 4 is 1.0:3.3, the mole ratio of the epoxypropanol to the intermediate 5 is 1.0:3.0.
example 2:
the embodiment is a preparation method of a modifier, comprising the following steps:
a1: adding formaldehyde solution into a three-neck flask provided with a magnetic stirrer, an air duct, a constant pressure dropping funnel and a reflux condenser, introducing nitrogen for protection, adding o-aminobenzyl alcohol solution dropwise while stirring under the condition of stirring speed of 800r/min, controlling the dropping speed to be 1 drop/s, heating to reflux after the dropping, continuing stirring for reaction for 6 hours, cooling the reaction product to room temperature after the reaction is finished, standing for layering, collecting an organic layer, rotationally evaporating to remove the solvent, and separating and purifying by column chromatography to obtain an intermediate 1; controlling the mass fraction of the formaldehyde solution to be 40%, wherein the mass fraction of the o-aminobenzyl alcohol solution formed by dissolving the o-aminobenzyl alcohol in diethyl ether is 30%, and the molar ratio of the formaldehyde to the o-aminobenzyl alcohol is 1.0:1.5;
a2: adding 3-chlorophthalic anhydride into a three-neck flask provided with a magnetic stirrer, a constant pressure dropping funnel and a reflux condenser, adding glacial acetic acid, stirring for 30min at the temperature of 55 ℃ and the stirring rate of 500r/min, then dropwise adding methylamine solution, controlling the dropping rate to be 3mL/min, heating to reflux and stirring for reaction for 5h after the dropping is finished, cooling to below 10 ℃ by using an ice water bath after the reaction is finished, vacuum filtering, and placing a filter cake into a vacuum drying oven to be dried to constant weight to obtain an intermediate 2; controlling the dosage ratio of the 3-chlorophthalic anhydride, glacial acetic acid and methylamine solution to be 0.19mol:110mL:20g of methylamine solution, wherein the methylamine solution is prepared from methylamine according to the mass ratio of 3:7, dissolving in deionized water to form a solution;
a3: adding the intermediate 2 and N, N-dimethylacetamide into a three-neck flask provided with a mechanical stirrer, stirring until the intermediate 2 is completely dissolved under the condition of stirring speed of 500r/min, heating, adding triphenylphosphine and nickel chloride when the temperature reaches 80 ℃, stirring and dissolving, continuing to react for 30min, adding sodium iodide, continuing to stir and dissolve, keeping the temperature at 90 ℃, adding zinc powder, reacting for 6h at constant temperature, standing and layering the reaction product after the reaction is finished, adding the supernatant into methanol, stirring for 40min, filtering, flushing a filter cake with methanol and N-hexane for 3 times in sequence, drying the filter cake, adding into dichloromethane, stirring until the organic matters are completely dissolved, filtering to remove zinc powder, and performing rotary evaporation on the filtrate to remove the solvent to obtain an intermediate 3; controlling the dosage ratio of the intermediate 2, the N, N-dimethylacetamide, the triphenylphosphine, the nickel chloride, the sodium iodide and the zinc powder to be 0.1mol:200mL:106g:13g:3g:8.0g;
a4: adding sodium hydroxide solution into a three-neck flask provided with a mechanical stirrer and a constant-pressure dropping funnel, adding an intermediate 3, gradually heating to boiling under the condition of stirring at the speed of 200r/min, controlling the heating speed to be 2 ℃/min, continuing stirring for 2 hours after the solid is completely dissolved, dripping concentrated hydrochloric acid to adjust the pH value of a reaction product to 8 after the reaction is finished, adding activated carbon to continue boiling for 20 minutes, filtering the reaction product after the reaction is finished, heating filtrate to boiling, dripping concentrated hydrochloric acid to adjust the pH value of the reaction product to 1.5, standing and cooling for 15 hours, filtering, washing a filter cake with distilled water for 3 times, and drying to constant weight to obtain an intermediate 4; controlling the dosage ratio of the sodium hydroxide solution, the intermediate 3 and the activated carbon to be 100mL:9g:3g, wherein the mass fraction of the sodium hydroxide solution is 25%, and the mass fraction of the concentrated hydrochloric acid is 37%;
a5: adding the intermediate 1 and the intermediate 4 into a three-neck flask provided with a mechanical stirrer and an air duct, introducing nitrogen for protection, and stirring and reacting for 30 hours under the conditions that the temperature is 28 ℃ and the stirring speed is 800r/min to obtain an intermediate 5; adding glycidol into the intermediate 5, and continuously stirring and reacting for 30 hours to obtain a modifier; the molar ratio of the intermediate 1 to the intermediate 4 is 1.0:3.3, the mole ratio of the epoxypropanol to the intermediate 5 is 1.0:7.0.
example 3:
the embodiment is a preparation method of low-temperature-resistant antifreezing bionic bait, which comprises the following steps:
step one: weighing 60 parts of bisphenol A epoxy resin, 4 parts of modifier, 1 part of paraffin, 15 parts of curing agent, 0.1 part of phagostimulant, 0.1 part of pigment and 1 part of antioxidant in part by weight for later use;
step two: adding bisphenol A epoxy resin and modifier into a high-speed mixer, mixing uniformly, adding into a double-screw extruder, performing melt extrusion, bracing, cooling, granulating and drying to obtain modified epoxy resin
Step three: adding the modified epoxy resin, paraffin, a curing agent, a phagostimulant, a pigment and an antioxidant into a high-speed mixer, uniformly mixing, adding into a double-screw extruder, melting and extruding into an injection molding machine, and performing injection molding to obtain the low-temperature-resistant anti-freezing bionic bait.
Example 4:
the embodiment is a preparation method of low-temperature-resistant antifreezing bionic bait, which comprises the following steps:
step one: weighing 100 parts of bisphenol A epoxy resin, 12 parts of modifier, 3 parts of paraffin wax, 20 parts of curing agent, 3 parts of phagostimulant, 3 parts of pigment and 5 parts of antioxidant in part by weight for later use;
step two: adding bisphenol A epoxy resin and modifier into a high-speed mixer, mixing uniformly, adding into a double-screw extruder, performing melt extrusion, bracing, cooling, granulating and drying to obtain modified epoxy resin
Step three: adding the modified epoxy resin, paraffin, a curing agent, a phagostimulant, a pigment and an antioxidant into a high-speed mixer, uniformly mixing, adding into a double-screw extruder, melting and extruding into an injection molding machine, and performing injection molding to obtain the low-temperature-resistant anti-freezing bionic bait.
Comparative example 1:
comparative example 1 differs from example 4 in that no modifier was added.
Comparative example 2:
comparative example 1 differs from example 4 in that a styrene-butadiene thermoplastic elastomer was used instead of the modifier.
The properties of examples 3-4 and comparative examples 1-2 were tested, the tensile properties of the bionic fishing lure were tested according to ASTM D638-2003, the compressive properties of the bionic fishing lure were tested according to ASTM D695-2010, and the flexural properties of the bionic fishing lure were tested according to ASTM D790-2010; the low-temperature environment is obtained by adopting a liquid nitrogen soaking method, a sample is soaked in liquid nitrogen, the temperature is kept for 20min under the environment with the temperature of 77K, and then the sample is taken out to finish the test in a short time, and the detection results are shown in the following table.
According to the data in the table, the mechanical properties of the modifier and the styrene-butadiene thermoplastic elastomer in the invention are improved, and the low-temperature-resistant and anti-freezing properties of the bionic bait are improved, but the modifier is more obvious and better in low-temperature condition.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (8)
1. The low-temperature-resistant antifreezing bionic bait is characterized by comprising the following components in parts by weight:
60-100 parts of bisphenol A type epoxy resin, 4-12 parts of modifier, 1-3 parts of paraffin, 15-20 parts of curing agent, 0.1-3 parts of phagostimulant, 0.1-3 parts of pigment and 1-5 parts of antioxidant;
the low-temperature-resistant antifreezing bionic bait is prepared by the following steps:
step one: adding bisphenol A epoxy resin and a modifier into a high-speed mixer, uniformly mixing, adding into a double-screw extruder, and performing melt extrusion, bracing, cooling, granulating and drying to obtain modified epoxy resin;
step two: adding modified epoxy resin, paraffin, a curing agent, a phagostimulant, a pigment and an antioxidant into a high-speed mixer, uniformly mixing, adding into a double-screw extruder, melting and extruding into an injection molding machine, and performing injection molding to obtain the low-temperature-resistant anti-freezing bionic bait;
wherein, the preparation process of the modifier is as follows:
a1: adding formaldehyde solution into a three-neck flask provided with a magnetic stirrer, an air duct, a constant pressure dropping funnel and a reflux condenser, introducing nitrogen for protection, adding o-aminobenzyl alcohol solution dropwise while stirring under the condition of stirring speed of 500-800r/min, controlling the dropping speed to be 1 drop/s, heating to reflux after the dropping, continuing stirring for reaction for 4-6h, cooling the reaction product to room temperature after the reaction is finished, standing for layering, collecting an organic layer for rotary evaporation, and separating and purifying by column chromatography to obtain an intermediate 1;
a2: adding 3-chlorophthalic anhydride into a three-neck flask provided with a magnetic stirrer, a constant-pressure dropping funnel and a reflux condenser, adding glacial acetic acid, stirring for 20-30min under the conditions of 50-55 ℃ and stirring speed of 300-500r/min, then dropwise adding methylamine solution, controlling the dropping speed to be 1-3mL/min, heating to reflux and stirring for 4-5h after the dripping is finished, cooling to below 10 ℃ by using an ice water bath after the reaction is finished, vacuum filtering, and drying a filter cake in a vacuum drying box to constant weight to obtain an intermediate 2;
a3: adding the intermediate 2 and N, N-dimethylacetamide into a three-neck flask provided with a mechanical stirrer, stirring until the intermediate 2 is completely dissolved under the condition of stirring speed of 300-500r/min, heating, adding triphenylphosphine and nickel chloride when the temperature reaches 80 ℃, continuously reacting for 10-30min after stirring and dissolving, then adding sodium iodide, continuously stirring and dissolving, keeping the temperature at 80-90 ℃, adding zinc powder, reacting for 5-6h at constant temperature, standing and layering the reaction product after the reaction is finished, taking supernatant fluid, adding the supernatant fluid into methanol, stirring for 20-40min, filtering, sequentially flushing a filter cake with methanol and N-hexane for 2-3 times, then adding the dried filter cake into dichloromethane, stirring and dissolving, filtering, and rotationally evaporating filtrate to obtain an intermediate 3;
a4: adding sodium hydroxide solution into a three-neck flask provided with a mechanical stirrer and a constant-pressure dropping funnel, adding an intermediate 3, gradually heating to boiling under the condition of stirring at the speed of 100-200r/min, controlling the heating speed to 1-2 ℃/min, continuously stirring for reaction for 1-2h after the solid is completely dissolved, dropwise adding concentrated hydrochloric acid to adjust the pH value of a reaction product to 7-8 after the reaction is finished, adding activated carbon to continuously boiling for reaction for 10-20min, filtering the reaction product after the reaction is finished, heating filtrate to boiling, dropwise adding concentrated hydrochloric acid to adjust the pH value of the reaction product to 1-1.5, standing and cooling for 10-15h, filtering, washing a filter cake with distilled water for 2-3 times, and drying to constant weight to obtain an intermediate 4;
a5: adding the intermediate 1 and the intermediate 4 into a three-neck flask provided with a mechanical stirrer and an air duct, introducing nitrogen for protection, and stirring and reacting for 20-30h under the conditions that the temperature is 22-28 ℃ and the stirring speed is 500-800r/min to obtain an intermediate 5; adding the glycidol into the intermediate 5, and continuously stirring and reacting for 20-30h to obtain the modifier.
2. The low-temperature-resistant antifreezing bionic bait according to claim 1, wherein the curing agent is an aliphatic amine curing agent; the phagostimulant is one or two or more of vanillin, amino acid, ethyl lactate and coumarin and a mixture of more than two of the above components in any proportion; the pigment is plant extraction pigment; the antioxidant is one or a mixture of more than two of antioxidant 168, antioxidant 1010, antioxidant 1024 and antioxidant 1076 in any proportion.
3. The low-temperature-resistant antifreezing bionic bait according to claim 1, wherein the mass fraction of the formaldehyde solution in the step A1 is 35-40%, the mass fraction of the o-aminobenzyl alcohol solution formed by dissolving the o-aminobenzyl alcohol in diethyl ether is 20-30%, and the molar ratio of the formaldehyde to the o-aminobenzyl alcohol is 1.0:1.0-1.5.
4. The low-temperature-resistant antifreezing bionic bait according to claim 1, wherein the 3-chlorophthalic anhydride, glacial acetic acid and methylamine solution in the step A2 is used in an amount ratio of 0.19mol:110mL:20g of methylamine solution, wherein the methylamine solution is prepared from methylamine according to the mass ratio of 3:7 is dissolved in deionized water.
5. The low-temperature-resistant antifreezing bionic bait according to claim 1, wherein the dosage ratio of the intermediate 2, the N, N-dimethylacetamide, the triphenylphosphine, the nickel chloride, the sodium iodide and the zinc powder in the step A3 is 0.1mol:200mL:106g:13g:3g:7.0-8.0g.
6. The low-temperature-resistant antifreezing bionic bait according to claim 1, wherein the dosage ratio of the sodium hydroxide solution to the intermediate 3 to the activated carbon in the step A4 is 100mL:9g:1-3g, wherein the mass fraction of the sodium hydroxide solution is 20-25%, and the mass fraction of the concentrated hydrochloric acid is 35-37%.
7. The low-temperature-resistant antifreezing bionic bait according to claim 1, wherein the molar ratio of the intermediate 1 to the intermediate 4 in the step A5 is 1.0:3.3, the mole ratio of the epoxypropanol to the intermediate 5 is 1.0:3.0-7.0.
8. The method for preparing the low-temperature-resistant antifreezing bionic bait according to claim 1, which is characterized by comprising the following steps:
step one: weighing 60-100 parts of bisphenol A epoxy resin, 4-12 parts of modifier, 1-3 parts of paraffin, 15-20 parts of curing agent, 0.1-3 parts of phagostimulant, 0.1-3 parts of pigment and 1-5 parts of antioxidant according to parts by weight for standby;
step two: adding bisphenol A epoxy resin and modifier into a high-speed mixer, mixing uniformly, adding into a double-screw extruder, performing melt extrusion, bracing, cooling, granulating and drying to obtain modified epoxy resin
Step three: adding the modified epoxy resin, the paraffin, the curing agent, the phagostimulant, the pigment and the antioxidant into a high-speed mixer, uniformly mixing, adding into a double-screw extruder, melting and extruding into an injection molding machine, and performing injection molding to obtain the low-temperature-resistant anti-freezing bionic bait.
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