CN111154223A - Plastic chain plate of mud scraper and preparation method thereof - Google Patents
Plastic chain plate of mud scraper and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a plastic chain plate of a mud scraper and a preparation method thereof, relates to the technical field of chain of the mud scraper, and solves the technical problem that the plastic chain plate of the mud scraper is easily subjected to elongation plastic deformation due to the influence of acid-base environment in the use process, so that the chain plate is easily broken in the use process. A plastic chain plate of a mud scraper comprises the following components in parts by weight: 40-70 parts of POM granules; 4-8 parts of a reinforced fiber material; 2-5 parts of wear-resistant filler; 1-4 parts of a plasticizer; 6-12 parts of ethylene propylene diene monomer; 3-5 parts of light calcium carbonate; 4-6 parts of waste coconut shell powder; 1.2-1.8 parts of vinyl triethoxysilane. The plastic chain plate of the mud scraper is not easy to generate elongation plastic deformation in sewage in acid-base environment, and the whole plastic chain plate is not easy to break in the using process.
Description
Technical Field
The invention relates to the technical field of mud scraper chains, in particular to a plastic chain plate of a mud scraper and a preparation method thereof.
Background
The plastic chain of the mud scraper is a driving medium which moves all the time in the sewage treatment tank, and the working environment condition is complex because the sewage of the sewage treatment tank is uncertain, and the plastic chain of the mud scraper has higher requirements on strength, acid resistance, alkali resistance, aging, self-lubrication, ductility, thermal expansion and cold contraction and the like, and is assembled by a chain plate, a pin and a clamp spring.
The invention discloses a nanometer calcium carbonate modified nylon 6 high-temperature-resistant chain plate for automatic conveying equipment and a preparation method thereof in Chinese invention patent application with publication number CN108192337A, wherein the nanometer calcium carbonate modified nylon 6 high-temperature-resistant chain plate is mainly prepared from 50-70% of PA6 resin, 25-45% of nanometer calcium carbonate mixed master batch, 0.01-0.3% of coloring agent, 0.01-4% of anti-aging agent, 0.05-2% of light stabilizer and 0.01-3% of antioxidant in percentage by weight; the nano calcium carbonate mixed master batch is prepared by mixing pretreated nano calcium carbonate and PA6 resin according to the weight ratio of 30-40: 70-60 mass ratio; the pretreated nano calcium carbonate is prepared by carrying out surface activation treatment on 85-95% of raw material nano calcium carbonate, 0.3-5% of dispersing agent, 0.5-6% of lubricating agent and 0.2-4% of coupling agent by weight percentage.
In the above application documents, the plastic chain plate produced by the pretreated nano calcium carbonate modified PA-6 material has good formability, the hardness, the dimensional stability and the strength of the product are all obviously improved, the heat-resistant temperature is improved to 95 ℃ from the original 80 ℃, the safety factor of the product used in the thermal environment is improved, and the higher requirement in the use process is met.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a plastic chain plate of a mud scraper, which solves the technical problems that the plastic chain plate is not easy to generate elongation plastic deformation in sewage in acid-base environment and the whole plastic chain plate is not easy to break in the using process.
In order to achieve the first purpose, the invention provides the following technical scheme:
a plastic chain plate of a mud scraper comprises the following components in parts by weight:
40-70 parts of POM granules;
4-8 parts of a reinforced fiber material;
2-5 parts of wear-resistant filler;
1-4 parts of a plasticizer;
6-12 parts of ethylene propylene diene monomer;
3-5 parts of light calcium carbonate;
4-6 parts of waste coconut shell powder;
1.2-1.8 parts of vinyl triethoxysilane.
By adopting the technical scheme, the POM material particles are hard and compact materials with smooth and glossy surfaces, have good strength, rigidity and elasticity, wear resistance and size stability, and have the fatigue strength of 35MPa, very outstanding fatigue strength and higher impact strength after 10 alternating loads; the ethylene propylene diene monomer is a terpolymer of ethylene, propylene and non-conjugated diene, and has good chemical stability and beneficial wear resistance and oil resistance; meanwhile, when the ethylene propylene diene monomer rubber and the POM material particles are mixed for use, good reinforcing, toughening and modifying effects can be achieved, a base material with good aging resistance, good chemical corrosion resistance and strong plastic deformation resistance is obtained, and the plastic chain plate of the mud scraper is not easy to break when used in sewage in acid-base environments. The light calcium carbonate has low density, high hardness, excellent thermodynamic performance, wear resistance and chemical resistance, is a good filler, and can improve the bonding strength among the raw materials of each component, thereby improving the overall structural strength of the plastic chain plate of the mud scraper.
The main component of the waste coconut shell powder is natural plant fiber which is compact and hard in texture and high in specific strength, and the tensile strength and the plastic deformation resistance of the plastic chain plate of the mud scraper can be greatly improved by matching the waste coconut shell powder with ethylene propylene diene monomer. The vinyltriethoxysilane can chemically react with hydroxyl on the surface of the waste coconut shell powder, so that the surface of the waste coconut shell powder is well activated, the dispersibility and compatibility of the waste coconut shell powder among component raw materials can be greatly improved, the interface bonding strength among the waste coconut shell powder, ethylene propylene diene monomer and POM (polyoxymethylene) is greatly improved, a good physical crosslinking effect is achieved, and further, the plastic chain plate of the mud scraper is not easy to elongate and plastically deform in sewage in an acid-base environment, and the whole plastic chain plate is not easy to break in the using process.
Preferably, the components of the plastic chain plate of the mud scraper are also added with 2-6 parts by weight of functional auxiliary agent, the functional auxiliary agent is formed by mixing nitrile rubber, homopolymerized formaldehyde and high-pressure polyethylene, and the weight part ratio of the nitrile rubber, the homopolymerized formaldehyde and the high-pressure polyethylene is 1: (3-5): (1-3).
By adopting the technical scheme, the nitrile rubber has excellent oil resistance, higher wear resistance, better heat resistance and strong bonding force, the raw materials of all the components have good bonding property, and the obtained plastic chain plate of the mud scraper has excellent physical and mechanical properties and processing performance; the homopolymerized formaldehyde has good extension strength and fatigue resistance; the high-pressure polyethylene has good rheological property and melt fluidity, and has good overall cold resistance, low temperature resistance and higher temperature resistance; the functional auxiliary agent is formed by mixing the nitrile rubber, the homo-polyformaldehyde and the high-pressure polyethylene, and can play a good role in compounding and synergism, so that the plastic deformation resistance of the plastic chain plate of the mud scraper in sewage in an acid-base environment can be greatly improved, the plastic chain plate has good tensile strength, and the plastic chain plate is not easy to break in the using process.
Further preferably, 1.5-2.5 parts by weight of inorganic nanoparticles are added into the components of the scraper plastic chain plate, and the inorganic nanoparticles are any one of nano zinc oxide, nano silicon dioxide, nano zirconium oxide and nano titanium dioxide.
By adopting the technical scheme, the inorganic nanoparticles have small particle size, large specific surface area, right surface atomic number and serious insufficient coordination, so that the inorganic nanoparticles can easily perform a bonding effect with POM, and can be matched with ethylene propylene diene monomer rubber and waste coconut shell powder while exerting good characteristics of the inorganic nanoparticles, thereby greatly improving the impact toughness of the plastic chain plate of the mud scraper, effectively reducing the crystallinity of polyformaldehyde, improving the toughness and thermal stability of the polyformaldehyde, and performing a good toughening and reinforcing effect.
More preferably, 0.8 to 1.4 parts by weight of polybutylene terephthalate is also added into the components of the plastic chain plate of the mud scraper.
By adopting the technical scheme, the polybutylene terephthalate has high crystallinity and crystallization rate, good chemical resistance and excellent processability, plays a good toughening and reinforcing role in the plastic chain plate of the mud scraper, can play a good compounding and synergistic effect between the polybutylene terephthalate and the ethylene propylene diene monomer, greatly improves the tensile strength of the POM, has excellent fatigue resistance at higher temperature, and is not easy to damage and plastically deform in the application process.
More preferably, the reinforcing fiber material is any one of glass fiber, carbon fiber, boron fiber and asbestos fiber.
By adopting the technical scheme, the reinforced fiber has good insulativity, heat resistance and corrosion resistance, and also has good tensile property and soft friction reduction property, and the reinforced fiber is added into the component raw materials of the plastic chain plate of the mud scraper, so that the abrasion degree of the plastic chain plate of the mud scraper in use is favorably reduced, the plastic chain plate is not easy to generate elongation plastic deformation in sewage in acid-base environment, and the whole plastic chain plate is not easy to break in the use process.
More preferably, the wear-resistant filler is any one of expanded perlite, silicon powder, silicon nitride and quartz powder.
By adopting the technical scheme, the expanded perlite, the silicon powder, the silicon nitride and the quartz powder are good wear-resistant fillers, have good dispersibility in the plastic chain plate of the mud scraper, and have good associativity with other components, so that the plastic chain plate of the mud scraper is not easy to generate large wear in a long-time use process, keeps good and stable structural strength, and is not easy to break.
More preferably, the plasticizer is any one of dimethyl phthalate, diethyl phthalate and dioctyl phthalate.
By adopting the technical scheme, the secondary valence bond between each high polymer raw material can be weakened by the plasticizer, the mobility between each raw material is increased, the plasticity, the ductility and the flexibility of the plastic chain plate of the mud scraper are increased, and the overall processing performance is greatly improved.
The invention also aims to provide a preparation method of the plastic chain plate of the mud scraper, the plastic chain plate of the mud scraper prepared by the method is not easy to generate elongation plastic deformation in sewage in acid-base environment, and the whole plastic chain plate of the mud scraper is not easy to break in the using process.
In order to achieve the second purpose, the invention provides the following technical scheme, which comprises the following steps:
step one, mixing and drying, namely mixing and drying POM material particles, a reinforcing fiber material, a wear-resistant filler, ethylene propylene diene monomer rubber, light calcium carbonate and waste coconut shell powder in parts by weight, wherein the drying temperature is 70-80 ℃, and the drying time is 20-30 min to obtain a mixture;
and step two, plasticizing and injection molding, namely plasticizing the mixture, adding the corresponding parts by weight of vinyltriethoxysilane and a plasticizer, and injecting the mixture into a mold of a plastic chain plate of a mud scraper, wherein the plasticizing and heating temperature is controlled as follows: the temperature of the first section is 180-190 ℃, the temperature of the second section is 190-200 ℃, the temperature of the third section is 195-205 ℃, the temperature of the nozzle is 190-200 ℃, and the injection pressure is 80-120 MPa;
step three, pressure maintaining and cooling, namely maintaining the pressure of the mould of the scraper plastic chain plate for 10-15 s under the condition of 50-70 MPa by using a pressure maintaining cooling machine, and then air-cooling to 30-40 ℃;
step four, demolding and cold treatment, opening a mold of the plastic chain plate of the mud scraper to obtain a sample, soaking the sample in cold water at the temperature of 0-10 ℃ for 80-120 s, taking out and naturally drying the sample to obtain the plastic chain plate of the mud scraper;
and step five, trimming and storing, namely trimming the plastic chain plate of the mud scraper, and storing in a normal-temperature drying environment after removing burrs and impurities.
Through adopting above-mentioned technical scheme, dry each component raw materials and mix, be favorable to getting rid of moisture, prevent that each component raw materials can't mix completely because of part bonds together, be favorable to improving the quality of mud scraper plastic link joint. The sample that will obtain after the drawing of patterns carries out cold treatment, is favorable to making the surface of mud scraper plastics link joint become more level and smooth, then decorates mud scraper plastics link joint, clears up deckle edge and impurity, is favorable to obtaining the higher mud scraper plastics link joint of quality. Meanwhile, the production process of the plastic chain plate of the mud scraper is simple to operate, high in production efficiency and not easy to pollute the environment, and the obtained plastic chain plate of the mud scraper is high in quality and has good applicability in the actual production process.
In summary, compared with the prior art, the invention has the following beneficial effects:
(1) the vinyltriethoxysilane can chemically react with hydroxyl on the surface of the waste coconut shell powder, so that the surface of the waste coconut shell powder is well activated, and the waste coconut shell powder, ethylene propylene diene monomer and POM have good compounding synergistic effect, so that the plastic chain plate of the mud scraper is not easy to generate elongation plastic deformation in sewage in an acid-base environment, and the whole plastic chain plate is not easy to break in the using process;
(2) the functional auxiliary agent formed by mixing the nitrile rubber, the homo-polyformaldehyde and the high-pressure polyethylene is added, and the functional auxiliary agent can play a good compounding and synergism effect mutually, can greatly improve the plastic deformation resistance of the plastic chain plate of the mud scraper in sewage in acid-base environment, has good tensile strength, and is not easy to break in the using process;
(3) the butylene terephthalate not only has good toughening and reinforcing effects on the plastic chain plate of the mud scraper, but also can have good compounding and synergistic effects with ethylene propylene diene monomer, greatly improves the tensile strength of the POM, has excellent fatigue resistance at higher temperature, and is not easy to damage and plastically deform in the application process.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Example 1: the plastic chain plate of the mud scraper comprises the following components in parts by weight as shown in Table 1, and is prepared by the following steps:
step one, mixing and drying, namely mixing and drying POM granules, glass fiber, expanded perlite, ethylene propylene diene monomer rubber, light calcium carbonate and waste coconut shell powder in corresponding parts by weight, wherein the drying temperature is 75 ℃, and the drying time is 25min to obtain a mixture;
and step two, plasticizing and injection molding, namely plasticizing the mixture, adding the vinyl triethoxysilane and dimethyl phthalate in corresponding parts by weight, and injecting the mixture into a mold of a plastic chain plate of a mud scraper, wherein the plasticizing and heating temperature is controlled as follows: the first section is 185 ℃, the second section is 195 ℃, the third section is 200 ℃, a nozzle is 195 ℃, and the injection molding pressure is 100 MPa;
step three, pressure maintaining and cooling, namely maintaining the pressure of the mould of the plastic chain plate of the mud scraper for 12.5s under the condition of 60MPa by using a pressure maintaining cooling machine, and then air cooling to 35 ℃;
step four, demolding and cold treating, opening a mold of the plastic chain plate of the mud scraper to obtain a sample, soaking the sample in cold water at 5 ℃ for 100s, taking out and naturally drying the sample to obtain the plastic chain plate of the mud scraper;
and step five, trimming and storing, namely trimming the plastic chain plate of the mud scraper, and storing in a normal-temperature drying environment after removing burrs and impurities.
Note: the POM material particles in the first step are 100P DuPont U.S. and the particle size of the waste coconut shell powder is 100 meshes.
Example 2: a plastic chain plate of a mud scraper, which is different from the plastic chain plate in the embodiment 1 in that the plastic chain plate is mainly prepared by the following steps:
step one, mixing and drying, namely mixing and drying POM granules, glass fiber, expanded perlite, ethylene propylene diene monomer rubber, light calcium carbonate and waste coconut shell powder in corresponding parts by weight, wherein the drying temperature is 70 ℃ and the drying time is 30min to obtain a mixture;
and step two, plasticizing and injection molding, namely plasticizing the mixture, adding the vinyl triethoxysilane and dimethyl phthalate in corresponding parts by weight, and injecting the mixture into a mold of a plastic chain plate of a mud scraper, wherein the plasticizing and heating temperature is controlled as follows: the first section is 180 ℃, the second section is 190 ℃, the third section is 195 ℃, the nozzle is 190 ℃, and the injection molding pressure is 120 MPa;
step three, pressure maintaining and cooling, namely maintaining the pressure of the mould of the scraper plastic chain plate for 10s under the condition of 50MPa by using a pressure maintaining cooling machine, and then air cooling to 40 ℃;
step four, demolding and cold treating, opening a mold of the plastic chain plate of the mud scraper to obtain a sample, soaking the sample in cold water at the temperature of 0 ℃ for 120s, taking out and naturally drying the sample to obtain the plastic chain plate of the mud scraper;
and step five, trimming and storing, namely trimming the plastic chain plate of the mud scraper, and storing in a normal-temperature drying environment after removing burrs and impurities.
Example 3: a plastic chain plate of a mud scraper, which is different from the plastic chain plate in the embodiment 1 in that the plastic chain plate is mainly prepared by the following steps:
step one, mixing and drying, namely mixing and drying POM granules, glass fiber, expanded perlite, ethylene propylene diene monomer rubber, light calcium carbonate and waste coconut shell powder in corresponding parts by weight, wherein the drying temperature is 80 ℃, and the drying time is 20min to obtain a mixture;
and step two, plasticizing and injection molding, namely plasticizing the mixture, adding the vinyl triethoxysilane and dimethyl phthalate in corresponding parts by weight, and injecting the mixture into a mold of a plastic chain plate of a mud scraper, wherein the plasticizing and heating temperature is controlled as follows: the first section is 190 ℃, the second section is 200 ℃, the third section is 205 ℃, the nozzle is 200 ℃, and the injection molding pressure is 80 MPa;
step three, pressure maintaining and cooling, namely maintaining the pressure of the mould of the plastic chain plate of the mud scraper for 15s under the condition of 70MPa by using a pressure maintaining cooling machine, and then air cooling to 30 ℃;
step four, demolding and cold treating, opening a mold of the plastic chain plate of the mud scraper to obtain a sample, soaking the sample in cold water at 10 ℃ for 80s, taking out and naturally drying the sample to obtain the plastic chain plate of the mud scraper;
and step five, trimming and storing, namely trimming the plastic chain plate of the mud scraper, and storing in a normal-temperature drying environment after removing burrs and impurities.
Examples 4 to 5: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the components and the corresponding parts by weight are shown in the table 1.
TABLE 1 Components and parts by weight of examples 1-5
Example 6: the plastic chain plate of the mud scraper is different from the plastic chain plate of the embodiment 1 in that the mass of glass fiber and the like in the step one is replaced by carbon fiber.
Example 7: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the mass of glass fiber and the like in the step one is replaced by boron fiber.
Example 8: the plastic chain plate of the mud scraper is different from the embodiment 1 in that the quality of glass fiber and the like in the step one is replaced by asbestos fiber.
Example 9: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the mass of expanded perlite and the like in the step one is replaced by silicon powder.
Example 10: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the mass of expanded perlite and the like in the step one is replaced by silicon nitride.
Example 11: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the mass of expanded perlite and the like in the step one is replaced by quartz powder.
Example 12: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that dimethyl phthalate and other substances in the step two are replaced by diethyl phthalate.
Example 13: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the dimethyl phthalate and other substances in the step II are replaced by dioctyl phthalate.
Example 14: the utility model provides a mud scraper plastics link joint, the difference with embodiment 1 lies in, step one sets up specifically, the compounding is dried, mixes the POM material grain of corresponding weight part, glass fiber, expanded perlite, EPT rubber, light calcium carbonate, abandonment coconut husk powder and 4 parts of functional additive and dries, and functional additive is by weight part ratio 1: 4: 2, mixing the nitrile rubber, the homo-polyformaldehyde and the high-pressure polyethylene, and drying at the temperature of 75 ℃ for 25min to obtain a mixture.
Example 15: the utility model provides a mud scraper plastics link joint, the difference with embodiment 1 lies in, step one sets up specifically, the compounding is dried, mixes the POM material grain of corresponding weight part, glass fiber, expanded perlite, EPT rubber, light calcium carbonate, abandonment coconut husk powder and 6 parts of functional additive and dries, and functional additive is by weight part ratio 1: 5: 3, mixing the nitrile rubber, the homo-polyformaldehyde and the high-pressure polyethylene, and drying at 75 ℃ for 25min to obtain a mixture.
Example 16: the utility model provides a mud scraper plastics link joint, the difference with embodiment 1 lies in, step one sets up specifically, the compounding is dried, mixes the POM material grain of corresponding weight part, glass fiber, expanded perlite, EPT rubber, light calcium carbonate, abandonment coconut husk powder and 2 parts of functional additive and dries, and functional additive is by weight part ratio 1: 3: 1, mixing the acrylonitrile butadiene rubber, the homo-polyformaldehyde and the high-pressure polyethylene, and drying at 75 ℃ for 25min to obtain a mixture.
Example 17: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the step one is specifically set as mixing and drying, POM material particles, glass fibers, expanded perlite, ethylene propylene diene monomer, light calcium carbonate, waste coconut shell powder and 2 parts of inorganic nano particles in corresponding parts by weight are mixed and dried, the inorganic nano particles are selected from nano zinc oxide, the drying temperature is 75 ℃, and the drying time is 25min, so that a mixture is obtained.
Example 18: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the step one is specifically set as mixing and drying, POM material particles, glass fiber, expanded perlite, ethylene propylene diene monomer, light calcium carbonate, waste coconut husk powder and 1.5 parts of inorganic nano particles in corresponding parts by weight are mixed and dried, the inorganic nano particles are selected from nano zinc oxide, the drying temperature is 75 ℃, and the drying time is 25min, so that a mixture is obtained.
Example 19: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the step one is specifically set as mixing and drying, POM material particles, glass fibers, expanded perlite, ethylene propylene diene monomer, light calcium carbonate, waste coconut husk powder and 2.5 parts of inorganic nano particles in corresponding parts by weight are mixed and dried, the inorganic nano particles are selected from nano zinc oxide, the drying temperature is 75 ℃, and the drying time is 25min, so that a mixture is obtained.
Example 20: the difference between the plastic chain plate of the mud scraper and the embodiment 17 is that the step one is specifically set as mixing and drying, POM material particles, glass fibers, expanded perlite, ethylene propylene diene monomer, light calcium carbonate, waste coconut husk powder and 2 parts of inorganic nano particles in corresponding parts by weight are mixed and dried, the inorganic nano particles are nano silicon dioxide, the drying temperature is 75 ℃, and the time is 25min, so that a mixture is obtained.
Example 21: the difference between the plastic chain plate of the mud scraper and the embodiment 17 is that the step one is specifically set as mixing and drying, POM material particles, glass fibers, expanded perlite, ethylene propylene diene monomer, light calcium carbonate, waste coconut husk powder and 2 parts of inorganic nano particles in corresponding parts by weight are mixed and dried, the inorganic nano particles are nano zirconia, the drying temperature is 75 ℃, and the time is 25min, so that a mixture is obtained.
Example 22: the difference between the plastic chain plate of the mud scraper and the embodiment 17 is that the step one is specifically set as mixing and drying, POM material particles, glass fibers, expanded perlite, ethylene propylene diene monomer, light calcium carbonate, waste coconut husk powder and 2 parts of inorganic nano particles in corresponding parts by weight are mixed and dried, the inorganic nano particles are nano titanium dioxide, the drying temperature is 75 ℃, and the drying time is 25min, so that a mixture is obtained.
Example 23: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the step one is specifically set as mixing and drying, POM material particles, glass fiber, expanded perlite, ethylene propylene diene monomer, light calcium carbonate, waste coconut husk powder and 1.1 parts of polybutylene terephthalate in parts by weight are mixed and dried, the drying temperature is 75 ℃, and the drying time is 25min, so that a mixture is obtained.
Example 24: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the step one is specifically set as mixing and drying, POM material particles, glass fiber, expanded perlite, ethylene propylene diene monomer, light calcium carbonate, waste coconut husk powder and 0.8 part of polybutylene terephthalate in parts by weight are mixed and dried, the drying temperature is 75 ℃, and the drying time is 25min, so that a mixture is obtained.
Example 25: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the step one is specifically set as mixing and drying, POM material particles, glass fiber, expanded perlite, ethylene propylene diene monomer, light calcium carbonate, waste coconut husk powder and 1.4 parts of polybutylene terephthalate in parts by weight are mixed and dried, the drying temperature is 75 ℃, and the drying time is 25min, so that a mixture is obtained.
Comparative example 1: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the step one is specifically set as mixing and drying, POM material particles, glass fiber, expanded perlite, light calcium carbonate and waste coconut shell powder in corresponding parts by weight are mixed and dried, the drying temperature is 75 ℃, and the drying time is 25min, so that a mixture is obtained.
Comparative example 2: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the step one is specifically set as mixing and drying, POM material particles, glass fiber, expanded perlite, ethylene propylene diene monomer and light calcium carbonate in corresponding parts by weight are mixed and dried, the drying temperature is 75 ℃, and the drying time is 25min, so that a mixture is obtained.
Comparative example 3: the difference between the plastic chain plate of the mud scraper and the embodiment 1 is that the step two is specifically set as plasticizing and injection molding, adding dimethyl phthalate with corresponding parts by weight after plasticizing a mixture, injecting the mixture into a mold of the plastic chain plate of the mud scraper, and controlling the plasticizing and heating temperature as follows: the first section is 185 ℃, the second section is 195 ℃, the third section is 200 ℃, the nozzle is 195 ℃, and the injection pressure is 100 MPa.
Comparative example 4: a plastic chain plate of a mud scraper is different from that of a comparative example 3 in that the step one is specifically set as mixing and drying, POM material particles, glass fiber, expanded perlite, ethylene propylene diene monomer and light calcium carbonate in corresponding parts by weight are mixed and dried, the drying temperature is 75 ℃, and the drying time is 25min, so that a mixture is obtained.
Comparative example 5: the difference between the step one and the embodiment 14 is that the step one is specifically set as mixing and drying, POM material particles, glass fiber, expanded perlite, ethylene propylene diene monomer, light calcium carbonate, waste coconut shell powder and 4 parts of functional additives in corresponding parts by weight are mixed and dried, the functional additives are nitrile butadiene rubber, the drying temperature is 75 ℃, and the drying time is 25min, so that a mixture is obtained.
Comparative example 6: the difference between the step one and the embodiment 14 is that the step one is specifically set as mixing and drying, POM material particles, glass fiber, expanded perlite, ethylene propylene diene monomer, light calcium carbonate, waste coconut shell powder and 4 parts of functional auxiliary agent in corresponding parts by weight are mixed and dried, the functional auxiliary agent is homopolymerized formaldehyde, the drying temperature is 75 ℃, and the drying time is 25min, so that a mixture is obtained.
Comparative example 7: the difference between the plastic chain plate of the mud scraper and the embodiment 14 is that the step one is specifically set as mixing and drying, POM material particles, glass fiber, expanded perlite, ethylene propylene diene monomer, light calcium carbonate, waste coconut husk powder and 4 parts of functional auxiliary agent in corresponding parts by weight are mixed and dried, the functional auxiliary agent is high-pressure polyethylene, the drying temperature is 75 ℃, and the drying time is 25min, so that a mixture is obtained.
Comparative example 8: the utility model provides a scraper plastic link joint, the difference with embodiment 23 lies in, step one specifically sets up as, the compounding is dried, mixes stoving POM material grain, glass fiber, expanded perlite, light calcium carbonate, abandonment coconut husk powder and 4 parts of functional additive of corresponding weight part, and functional additive is by the weight part ratio 1: 4: 2, mixing the nitrile rubber, the homo-polyformaldehyde and the high-pressure polyethylene, and drying at the temperature of 75 ℃ for 25min to obtain a mixture.
Effect testing
Test samples: the scraper plastic link plates obtained in examples 1 to 25 were used as test samples 1 to 25, and the scraper plastic link plates obtained in comparative examples 1 to 8 were used as control samples 1 to 8.
The test method comprises the following steps: the test samples 1 to 25 and the control samples 1 to 8 were subjected to 33 kinds of standard test samples in accordance with GB/T1040-.
And (3) test results: the test results of the test samples 1 to 25 and the control samples 1 to 8 are shown in Table 2. As can be seen from Table 2, the test results of the test samples 1 to 5 and the test results of the comparison samples 1 to 4 are compared, and the waste coconut shell powder, the ethylene propylene diene monomer and the dimethyl phthalate can play a good role in compounding and synergism, so that the plastic chain plate of the mud scraper is not easy to generate elongation plastic deformation in sewage in acid and alkali environments, the integral tensile strength is high, and the elongation at break is low. The comparison of the test results of the test samples 6-13 and the test sample 1 shows that the reinforced fiber material, the wear-resistant filler and the plasticizer disclosed by the invention are all suitable for preparing the plastic chain plate of the mud scraper, and the obtained plastic chain plate of the mud scraper has good and stable performance. The test samples 14-16, the test samples 17-22 and the test samples 23-25 are respectively compared with the test results of the test sample 1, and the tensile strength of the plastic chain plate of the mud scraper can be greatly improved and the elongation at break of the plastic chain plate of the mud scraper can be reduced by adding the functional auxiliary agent formed by mixing the nitrile rubber, the homo-polyformaldehyde and the high-pressure polyethylene and adding the inorganic nano particles or the butanediol phthalate.
TABLE 2 test results of test samples 1-25 and control samples 1-8
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The plastic chain plate of the mud scraper is characterized by comprising the following components in parts by weight:
40-70 parts of POM granules;
4-8 parts of a reinforced fiber material;
2-5 parts of wear-resistant filler;
1-4 parts of a plasticizer;
6-12 parts of ethylene propylene diene monomer;
3-5 parts of light calcium carbonate;
4-6 parts of waste coconut shell powder;
1.2-1.8 parts of vinyl triethoxysilane.
2. The plastic chain plate of the mud scraper as claimed in claim 1, wherein the functional additive is added in an amount of 2-6 parts by weight, and the functional additive is formed by mixing nitrile rubber, homo-polyformaldehyde and high-pressure polyethylene, and the ratio of the nitrile rubber, the homo-polyformaldehyde and the high-pressure polyethylene by weight is 1: (3-5): (1-3).
3. The plastic chain plate of the mud scraper as claimed in claim 1, wherein 1.5-2.5 parts by weight of inorganic nanoparticles are further added to the components of the plastic chain plate of the mud scraper, and the inorganic nanoparticles are any one of nano zinc oxide, nano silicon dioxide, nano zirconium oxide and nano titanium dioxide.
4. The plastic chain plate of the mud scraper as claimed in claim 1, wherein 0.8-1.4 parts by weight of polybutylene terephthalate is further added to the components of the plastic chain plate of the mud scraper.
5. The scraper plastic link plate of claim 1, wherein the reinforcing fiber material is selected from any one of glass fiber, carbon fiber, boron fiber and asbestos fiber.
6. The scraper plastic chain plate of claim 1, wherein the wear-resistant filler is selected from any one of expanded perlite, silica powder, silicon nitride and quartz powder.
7. The plastic link plate of the mud scraper as claimed in claim 1, wherein the plasticizer is selected from any one of dimethyl phthalate, diethyl phthalate and dioctyl phthalate.
8. The method for preparing the scraper plastic chain plate as claimed in claim 1, which comprises the following steps:
step one, mixing and drying, namely mixing and drying POM material particles, a reinforcing fiber material, a wear-resistant filler, ethylene propylene diene monomer rubber, light calcium carbonate and waste coconut shell powder in parts by weight, wherein the drying temperature is 70-80 ℃, and the drying time is 20-30 min to obtain a mixture;
and step two, plasticizing and injection molding, namely plasticizing the mixture, adding the corresponding parts by weight of vinyltriethoxysilane and a plasticizer, and injecting the mixture into a mold of a plastic chain plate of a mud scraper, wherein the plasticizing and heating temperature is controlled as follows: the temperature of the first section is 180-190 ℃, the temperature of the second section is 190-200 ℃, the temperature of the third section is 195-205 ℃, the temperature of the nozzle is 190-200 ℃, and the injection pressure is 80-120 MPa;
step three, pressure maintaining and cooling, namely maintaining the pressure of the mould of the scraper plastic chain plate for 10-15 s under the condition of 50-70 MPa by using a pressure maintaining cooling machine, and then air-cooling to 30-40 ℃;
step four, demolding and cold treatment, opening a mold of the plastic chain plate of the mud scraper to obtain a sample, soaking the sample in cold water at the temperature of 0-10 ℃ for 80-120 s, taking out and naturally drying the sample to obtain the plastic chain plate of the mud scraper;
and step five, trimming and storing, namely trimming the plastic chain plate of the mud scraper, and storing in a normal-temperature drying environment after removing burrs and impurities.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086340A (en) * | 2015-08-12 | 2015-11-25 | 宁波航海纺机有限责任公司 | Rapier head for rapier loom and preparation method thereof |
| CN105694344A (en) * | 2016-01-29 | 2016-06-22 | 宁波海飞电器有限公司 | Plastic alloy for washing machine cover plate and preparation method of plastic alloy |
| CN107759964A (en) * | 2017-10-25 | 2018-03-06 | 长沙五犇新材料科技有限公司 | A kind of polyformaldehyde composite material and its production and use |
| CN108192337A (en) * | 2017-12-22 | 2018-06-22 | 漯河科莱堡洁具配件有限公司 | Automation conveying equipment nono calcium carbonate modified 6 high temperature resistant carrier bar of nylon and preparation method thereof |
-
2020
- 2020-01-13 CN CN202010033974.5A patent/CN111154223A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086340A (en) * | 2015-08-12 | 2015-11-25 | 宁波航海纺机有限责任公司 | Rapier head for rapier loom and preparation method thereof |
| CN105694344A (en) * | 2016-01-29 | 2016-06-22 | 宁波海飞电器有限公司 | Plastic alloy for washing machine cover plate and preparation method of plastic alloy |
| CN107759964A (en) * | 2017-10-25 | 2018-03-06 | 长沙五犇新材料科技有限公司 | A kind of polyformaldehyde composite material and its production and use |
| CN108192337A (en) * | 2017-12-22 | 2018-06-22 | 漯河科莱堡洁具配件有限公司 | Automation conveying equipment nono calcium carbonate modified 6 high temperature resistant carrier bar of nylon and preparation method thereof |
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Application publication date: 20200515 |