CN112225989A - Anti-aging polypropylene plastic and preparation method thereof - Google Patents
Anti-aging polypropylene plastic and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an anti-aging polypropylene plastic and a preparation method thereof, wherein the anti-aging polypropylene plastic comprises polypropylene, polyethylene, styrene, potassium iodide, a stabilizer, a lubricant, a coloring agent, a plasticizer, an anti-aging agent and a hardening agent, wherein the stabilizer comprises lauric acid, insoluble sulfur, a methyl tin heat stabilizer and silicone master batch, the lubricant comprises sodium stearate and magnesium stearate, the plasticizer comprises cyclic fatty acid methyl ester and methyl phosphate, the anti-aging agent comprises diphenylamine, acetone and p-tert-butylphenol, and the hardening agent comprises cellulose and glass fiber. The invention has the advantages of excellent heat resistance, good tensile property, high impact strength and excellent aging resistance.
Description
Technical Field
The invention relates to the technical field of polypropylene materials, in particular to an anti-aging polypropylene plastic and a preparation method thereof.
Background
The polypropylene is thermoplastic synthetic resin with excellent performance, has good thermal property, is widely applied to the industries of machinery, automobiles, buildings, textiles and the like, and shows excellent heat resistance in the using process. Chemical resistance, high wear resistance and the like, and also has good graft compounding function.
At present, the main material in the traditional polypropylene plastic is polypropylene, but with the industrial development, the strength and heat resistance of the traditional polypropylene plastic do not meet the normal production requirements, insoluble sulfur is added in the formula of the polypropylene plastic, the insoluble sulfur can improve the stability of the product and increase the adhesion degree among all components, but the insoluble sulfur also has certain defects, once the external temperature is too high, the insoluble sulfur can be thermally decomposed and cannot reach the preset effect, finally the separation among the components of the product is caused, the qualification rate is reduced, in addition, the addition of the anti-aging agent can improve the oxidation inhibition capacity and the light resistance of the product, most of the anti-aging agent can be used by being combined with other substances, in order to make the anti-aging effect more stable, the catalyst is generally required to be added, the addition of the catalyst can make the finally obtained polypropylene contain impurities, the preparation process is also influenced, and the product quality is unqualified in severe cases, so that the invention of the polypropylene plastic capable of meeting the production requirements of people is very important.
Disclosure of Invention
The invention aims to provide an anti-aging polypropylene plastic and a preparation method thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the anti-aging polypropylene plastic comprises, by weight, 20-30 parts of polypropylene, 10-15 parts of polyethylene, 15-20 parts of styrene, 2-4 parts of potassium iodide, 5-10 parts of a stabilizer, 5-10 parts of a lubricant, 1-3 parts of a colorant, 1-3 parts of a plasticizer, 4-6 parts of an anti-aging agent and 5-7 parts of a hardening agent.
Furthermore, the stabilizer comprises the following raw materials, by weight, 2-4 parts of lauric acid, 5-15 parts of insoluble sulfur, 10-15 parts of methyl tin heat stabilizer and 5-10 parts of silicone master batch.
Furthermore, the lubricant comprises the following raw materials, by weight, 5-7 parts of sodium stearate and 5-7 parts of magnesium stearate.
Furthermore, the plasticizer comprises the following raw materials, by weight, 5-10 parts of cyclic fatty acid methyl ester and 2-6 parts of methyl phosphate.
Furthermore, the anti-aging agent consists of diphenylamine, acetone and p-tert-butylphenol.
Furthermore, the hardening agent comprises the following raw materials, by weight, 2-4 parts of cellulose and 2-4 parts of glass fiber.
A preparation method of anti-aging polypropylene plastic comprises the following steps,
(1) mixing polypropylene, polyethylene and styrene together, heating to 250 ℃ at 200-;
(2) dissolving styrene in water, adding divinylbenzene, adding sulfosalicylic acid, heating to 80-120 ℃, and stirring at 500-;
(3) adding diphenylamine into the composition A, stirring, adding acetone, heating, and adding p-tert-butylphenol to obtain a composition B;
(4) adding the composition B into the mixture A, stirring, heating to 150-;
(5) adding cyclic fatty acid methyl ester, methyl phosphate and glycerol into the mixture B, stirring at 600r/min for 500-;
(6) adding cyclic fatty acid methyl ester and methyl phosphate into the mixture C, stirring at the speed of 500-;
(7) and when the temperature is reduced to 180 ℃, adding cellulose and glass fiber, stirring and mixing uniformly, putting into a flat vulcanizing machine for tabletting, and tabletting for 10-15min to obtain the anti-aging polypropylene plastic.
Further, in the step (2), hydrochloric acid is added, and the pH value is 3-4.
Further, in the step (4), potassium iodide is dissolved in ethanol at a pH of 5 to 6.
Further, in the step (7), the tabletting temperature is 120-.
Compared with the prior art, the invention has the following beneficial effects: the main material of the invention is polypropylene which has good compatibility, polyethylene and styrene are added for improving the performance of polypropylene, and the addition of the polyethylene and the styrene can improve the Vicat softening point temperature, the tensile strength and the impact strength of the polypropylene, but the improvement is limited and needs to be strengthened by other methods.
The insoluble sulfur is added in the formula, the stability of the product can be improved, the adhesion degree among all components is increased, but the insoluble sulfur also has certain defects, once the external temperature is too high, the insoluble sulfur can be subjected to thermal decomposition, the preset effect cannot be achieved, and finally the separation among the components of the product is caused, and the qualification rate is reduced.
The anti-aging agent is selected from diphenylamine and acetone, the diphenylamine and the acetone generally need to react at high temperature and under the condition of a catalyst to generate the anti-aging agent BLE so as to achieve the anti-aging effect, but on one hand, the conventional catalyst is high in price and cannot be recycled in the manufacturing process, on the other hand, the addition of the catalyst is equal to the addition of phase-change impurities, and the quality and the qualification rate of products are influenced.
If only one anti-aging agent is used, the effect is often insufficient, two or more than two anti-aging agents are needed to be used in a composite way, on the other hand, the selected main anti-aging agent is a diphenylamine-acetone system, and acetone always remains in the manufacturing process, so that the anti-aging performance of the product can be improved by adding the p-tert-butylphenol, the problem of insufficient effect of a single anti-aging agent is solved, on the other hand, in order to fully utilize effective substances, the added p-tert-butylphenol and the acetone can be catalyzed and condensed under the high temperature condition to generate bisphenol-A derivatives and bisphenol-A derivatives, and the Vicat softening point temperature, the tensile strength and the impact strength of a sample are enhanced.
In the preparation process, under the aerobic condition, the p-tert-butylphenol and oxygen can generate benzoquinone which is toxic and can damage a polypropylene-polyethylene-styrene system, so that potassium iodide is added, the potassium iodide has high reducibility, the potassium iodide loses iodine under the acidic condition, the benzoquinone is reduced into hydroquinone, and the hydroquinone has excellent oxidation resistance and can improve the oxidation resistance of a sample.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The anti-aging polypropylene plastic comprises the following raw materials, by weight, 20 parts of polypropylene, 10 parts of polyethylene, 15 parts of styrene, 2 parts of potassium iodide, 5 parts of a stabilizer, 5 parts of a lubricant, 1 part of a colorant, 1 part of a plasticizer, 4 parts of an anti-aging agent and 5 parts of a hardening agent.
The stabilizer comprises the following raw materials, by weight, 2 parts of lauric acid, 5 parts of insoluble sulfur, 10 parts of methyl tin heat stabilizer and 5 parts of silicone master batch.
The lubricant comprises the following raw materials, by weight, 5 parts of sodium stearate and 5 parts of magnesium stearate.
The plasticizer comprises the following raw materials, by weight, 5 parts of cyclic fatty acid methyl ester and 2 parts of methyl phosphate.
The anti-aging agent consists of diphenylamine, acetone and p-tert-butylphenol.
The hardener comprises the following raw materials in parts by weight, 2 parts of cellulose and 2 parts of glass fiber.
A preparation method of anti-aging polypropylene plastic comprises the following steps,
(1) mixing polypropylene, polyethylene and styrene together, heating to 200 ℃ to enable the mixture to be in a molten state, adding lauric acid, insoluble sulfur, methyl tin heat stabilizer and silicone master batch, and stirring at 500r/min to obtain a mixture A;
(2) dissolving styrene in water, adding divinylbenzene, adding sulfosalicylic acid, adding hydrochloric acid, heating to 80 ℃ with the pH value of 3, and stirring at 500r/min to obtain a composition A;
(3) adding diphenylamine into the composition A, stirring, adding acetone, heating, and adding p-tert-butylphenol to obtain a composition B;
(4) adding the composition B into the mixture A, stirring, heating to 150 ℃, dissolving potassium iodide in ethanol at the pH of 5, and adding potassium iodide to obtain a mixture B;
(5) adding cyclic fatty acid methyl ester, methyl phosphate and glycerol into the mixture B, stirring at 500r/min, adding sodium stearate and magnesium stearate, and stirring to obtain a mixture C;
(6) adding cyclic fatty acid methyl ester and methyl phosphate into the mixture C, stirring at 500r/min, adding a coloring agent, and cooling;
(7) and when the temperature is reduced to 180 ℃, adding cellulose and glass fiber, stirring and mixing uniformly, putting into a flat plate vulcanizing machine for tabletting, wherein the tabletting temperature is 120 ℃, the pressure is 4MPa, and tabletting is carried out for 10min to obtain the anti-aging polypropylene plastic.
Example 2
The anti-aging polypropylene plastic comprises the following raw materials, by weight, 20-30 parts of polypropylene, 13 parts of polyethylene, 17 parts of styrene, 3 parts of potassium iodide, 6 parts of a stabilizer, 7 parts of a lubricant, 2 parts of a colorant, 2 parts of a plasticizer, 5 parts of an anti-aging agent and 6 parts of a hardening agent.
The stabilizer comprises the following raw materials, by weight, 3 parts of lauric acid, 10 parts of insoluble sulfur, 14 parts of methyl tin heat stabilizer and 8 parts of silicone master batch.
The lubricant comprises the following raw materials, by weight, 6 parts of sodium stearate and 6 parts of magnesium stearate.
The plasticizer comprises the following raw materials, by weight, 8 parts of cyclic fatty acid methyl ester and 4 parts of methyl phosphate.
The anti-aging agent consists of diphenylamine, acetone and p-tert-butylphenol.
The hardener comprises the following raw materials in parts by weight, 3 parts of cellulose and 3 parts of glass fiber.
A preparation method of anti-aging polypropylene plastic comprises the following steps,
(1) mixing polypropylene, polyethylene and styrene, heating to 240 ℃ to enable the mixture to be in a molten state, adding lauric acid, insoluble sulfur, methyl tin heat stabilizer and silicone master batch, and stirring at 550r/min to obtain a mixture A;
(2) dissolving styrene in water, adding divinylbenzene, adding sulfosalicylic acid, adding hydrochloric acid, heating to 100 ℃ with the pH value of 4, and stirring at 550r/min to obtain a composition A;
(3) adding diphenylamine into the composition A, stirring, adding acetone, heating, and adding p-tert-butylphenol to obtain a composition B;
(4) adding the composition B into the mixture A, stirring, heating to 180 ℃, dissolving potassium iodide in ethanol at the pH of 5, and adding potassium iodide to obtain a mixture B;
(5) adding cyclic fatty acid methyl ester, methyl phosphate and glycerol into the mixture B, stirring at 550r/min, adding sodium stearate and magnesium stearate, and stirring to obtain a mixture C;
(6) adding cyclic fatty acid methyl ester and methyl phosphate into the mixture C, stirring at 550r/min, adding a coloring agent, and starting to cool;
(7) and when the temperature is reduced to 180 ℃, adding cellulose and glass fiber, stirring and mixing uniformly, putting into a flat plate vulcanizing machine for tabletting, wherein the tabletting temperature is 140 ℃, the pressure is 5MPa, and tabletting is carried out for 13min to obtain the anti-aging polypropylene plastic.
Example 3
The anti-aging polypropylene plastic comprises the following raw materials, by weight, 20-30 parts of polypropylene, 15 parts of polyethylene, 20 parts of styrene, 4 parts of potassium iodide, 10 parts of a stabilizer, 10 parts of a lubricant, 3 parts of a coloring agent, 3 parts of a plasticizer, 6 parts of an anti-aging agent and 7 parts of a hardening agent.
The stabilizer comprises the following raw materials, by weight, 4 parts of lauric acid, 15 parts of insoluble sulfur, 15 parts of methyl tin heat stabilizer and 10 parts of silicone master batch.
The lubricant comprises the following raw materials, by weight, 7 parts of sodium stearate and 7 parts of magnesium stearate.
The plasticizer comprises the following raw materials, by weight, 10 parts of cyclic fatty acid methyl ester and 6 parts of methyl phosphate.
The anti-aging agent consists of diphenylamine, acetone and p-tert-butylphenol.
The hardener comprises the following raw materials in parts by weight, including 4 parts of cellulose and 4 parts of glass fiber.
A preparation method of anti-aging polypropylene plastic comprises the following steps,
(1) mixing polypropylene, polyethylene and styrene together, heating to 250 ℃ to enable the mixture to be in a molten state, adding lauric acid, insoluble sulfur, methyl tin heat stabilizer and silicone master batch, and stirring at 600r/min to obtain a mixture A;
(2) dissolving styrene in water, adding divinylbenzene, adding sulfosalicylic acid, adding hydrochloric acid, heating to 120 ℃ with the pH value of 4, and stirring at the speed of 600r/min to obtain a composition A;
(3) adding diphenylamine into the composition A, stirring, adding acetone, heating, and adding p-tert-butylphenol to obtain a composition B;
(4) adding the composition B into the mixture A, stirring, heating to 200 ℃, dissolving potassium iodide in ethanol at the pH of 6, and adding potassium iodide to obtain a mixture B;
(5) adding cyclic fatty acid methyl ester, methyl phosphate and glycerol into the mixture B, stirring at 600r/min, adding sodium stearate and magnesium stearate, and stirring to obtain a mixture C;
(6) adding cyclic fatty acid methyl ester and methyl phosphate into the mixture C, stirring at 600r/min, adding a coloring agent, and starting to cool;
(7) and when the temperature is reduced to 180 ℃, adding cellulose and glass fiber, stirring and mixing uniformly, putting into a flat plate vulcanizing machine for tabletting, wherein the tabletting temperature is 150 ℃, the pressure is 5MPa, and tabletting is carried out for 15min to obtain the anti-aging polypropylene plastic.
Comparative example 1
The anti-aging polypropylene plastic comprises the following raw materials, by weight, 20-30 parts of polypropylene, 15 parts of polyethylene, 4 parts of potassium iodide, 10 parts of a stabilizer, 10 parts of a lubricant, 3 parts of a colorant, 3 parts of a plasticizer, 6 parts of an anti-aging agent and 7 parts of a hardening agent.
The stabilizer comprises the following raw materials, by weight, 4 parts of lauric acid, 15 parts of insoluble sulfur, 15 parts of methyl tin heat stabilizer and 10 parts of silicone master batch.
The lubricant comprises the following raw materials, by weight, 7 parts of sodium stearate and 7 parts of magnesium stearate.
The plasticizer comprises the following raw materials, by weight, 10 parts of cyclic fatty acid methyl ester and 6 parts of methyl phosphate.
The anti-aging agent consists of diphenylamine, acetone and p-tert-butylphenol.
The hardener comprises the following raw materials in parts by weight, including 4 parts of cellulose and 4 parts of glass fiber.
A preparation method of anti-aging polypropylene plastic comprises the following steps,
(1) mixing polypropylene and polyethylene, heating to 250 ℃ to enable the mixture to be in a molten state, adding lauric acid, insoluble sulfur, methyl tin heat stabilizer and silicone master batch, and stirring at 600r/min to obtain a mixture A;
(2) dissolving divinylbenzene in water, adding sulfosalicylic acid, adding hydrochloric acid, adjusting pH to 4, heating to 120 ℃, and stirring at 600r/min to obtain a composition A;
(3) adding diphenylamine into the composition A, stirring, adding acetone, heating, and adding p-tert-butylphenol to obtain a composition B;
(4) adding the composition B into the mixture A, stirring, heating to 200 ℃, dissolving potassium iodide in ethanol at the pH of 6, and adding potassium iodide to obtain a mixture B;
(5) adding cyclic fatty acid methyl ester, methyl phosphate and glycerol into the mixture B, stirring at 600r/min, adding sodium stearate and magnesium stearate, and stirring to obtain a mixture C;
(6) adding cyclic fatty acid methyl ester and methyl phosphate into the mixture C, stirring at 600r/min, adding a coloring agent, and starting to cool;
(7) and when the temperature is reduced to 180 ℃, adding cellulose and glass fiber, stirring and mixing uniformly, putting into a flat plate vulcanizing machine for tabletting, wherein the tabletting temperature is 150 ℃, the pressure is 5MPa, and tabletting is carried out for 15min to obtain the anti-aging polypropylene plastic.
Comparative example 2
The anti-aging polypropylene plastic comprises the following raw materials, by weight, 20-30 parts of polypropylene, 15 parts of polyethylene, 20 parts of styrene, 10 parts of a stabilizer, 10 parts of a lubricant, 3 parts of a colorant, 3 parts of a plasticizer, 6 parts of an anti-aging agent and 7 parts of a hardening agent.
The stabilizer comprises the following raw materials, by weight, 4 parts of lauric acid, 15 parts of insoluble sulfur, 15 parts of methyl tin heat stabilizer and 10 parts of silicone master batch.
The lubricant comprises the following raw materials, by weight, 7 parts of sodium stearate and 7 parts of magnesium stearate.
The plasticizer comprises the following raw materials, by weight, 10 parts of cyclic fatty acid methyl ester and 6 parts of methyl phosphate.
The anti-aging agent consists of diphenylamine, acetone and p-tert-butylphenol.
The hardener comprises the following raw materials in parts by weight, including 4 parts of cellulose and 4 parts of glass fiber.
A preparation method of anti-aging polypropylene plastic comprises the following steps,
(1) mixing polypropylene, polyethylene and styrene together, heating to 250 ℃ to enable the mixture to be in a molten state, adding lauric acid, insoluble sulfur, methyl tin heat stabilizer and silicone master batch, and stirring at 600r/min to obtain a mixture A;
(2) dissolving styrene in water, adding divinylbenzene, adding sulfosalicylic acid, adding hydrochloric acid, heating to 120 ℃ with the pH value of 4, and stirring at the speed of 600r/min to obtain a composition A;
(3) adding diphenylamine into the composition A, stirring, adding acetone, heating, and adding p-tert-butylphenol to obtain a composition B;
(4) adding the composition B into the mixture A, stirring, and heating to 200 ℃ to obtain a mixture B;
(5) adding cyclic fatty acid methyl ester, methyl phosphate and glycerol into the mixture B, stirring at 600r/min, adding sodium stearate and magnesium stearate, and stirring to obtain a mixture C;
(6) adding cyclic fatty acid methyl ester and methyl phosphate into the mixture C, stirring at 600r/min, adding a coloring agent, and starting to cool;
(7) and when the temperature is reduced to 180 ℃, adding cellulose and glass fiber, stirring and mixing uniformly, putting into a flat plate vulcanizing machine for tabletting, wherein the tabletting temperature is 150 ℃, the pressure is 5MPa, and tabletting is carried out for 15min to obtain the anti-aging polypropylene plastic.
Comparative example 3
The anti-aging polypropylene plastic comprises the following raw materials, by weight, 20-30 parts of polypropylene, 15 parts of polyethylene, 20 parts of styrene, 4 parts of potassium iodide, 10 parts of a stabilizer, 10 parts of a lubricant, 3 parts of a coloring agent, 3 parts of a plasticizer, 6 parts of an anti-aging agent and 7 parts of a hardening agent.
The stabilizer comprises the following raw materials, by weight, 4 parts of lauric acid, 15 parts of insoluble sulfur, 15 parts of methyl tin heat stabilizer and 10 parts of silicone master batch.
The lubricant comprises the following raw materials, by weight, 7 parts of sodium stearate and 7 parts of magnesium stearate.
The plasticizer comprises the following raw materials, by weight, 10 parts of cyclic fatty acid methyl ester and 6 parts of methyl phosphate.
The anti-aging agent consists of diphenylamine and acetone.
The hardener comprises the following raw materials in parts by weight, including 4 parts of cellulose and 4 parts of glass fiber.
A preparation method of anti-aging polypropylene plastic comprises the following steps,
(1) mixing polypropylene, polyethylene and styrene together, heating to 250 ℃ to enable the mixture to be in a molten state, adding lauric acid, insoluble sulfur, methyl tin heat stabilizer and silicone master batch, and stirring at 600r/min to obtain a mixture A;
(2) dissolving styrene in water, adding divinylbenzene, adding sulfosalicylic acid, adding hydrochloric acid, heating to 120 ℃ with the pH value of 4, and stirring at the speed of 600r/min to obtain a composition A;
(3) adding diphenylamine into the composition A, stirring, adding acetone, and heating to obtain a composition B;
(4) adding the composition B into the mixture A, stirring, heating to 200 ℃, dissolving potassium iodide in ethanol at the pH of 6, and adding potassium iodide to obtain a mixture B;
(5) adding cyclic fatty acid methyl ester, methyl phosphate and glycerol into the mixture B, stirring at 600r/min, adding sodium stearate and magnesium stearate, and stirring to obtain a mixture C;
(6) adding cyclic fatty acid methyl ester and methyl phosphate into the mixture C, stirring at 600r/min, adding a coloring agent, and starting to cool;
(7) and when the temperature is reduced to 180 ℃, adding cellulose and glass fiber, stirring and mixing uniformly, putting into a flat plate vulcanizing machine for tabletting, wherein the tabletting temperature is 150 ℃, the pressure is 5MPa, and tabletting is carried out for 15min to obtain the anti-aging polypropylene plastic.
Experiment of
With example 3 as a control, comparative example 1 contained no styrene, comparative example 2 contained no potassium iodide, and comparative example 3 contained no p-tert-butylphenol.
1. Examples 1, 2, 3 and 1 were tested,
the samples of example 1, example 2, example 3 and comparative example 1 were placed in a heat distortion temperature-Vicat softening point tester for Vicat softening point temperature test, the samples of example 1, example 2, example 3 and comparative example 1 were placed in a tensile strength tester for tensile strength test, the samples of example 1, example 2, example 3 and comparative example 1 were placed in an impact strength tester for impact strength test, and the results were as follows,
| before aging | Vicat softening point (. degree. C.) | Tensile Strength (MPa) | Impact Strength (KJ/m)2) |
| Example 1 | 128 | 28 | 13.5 |
| Example 2 | 125 | 24 | 13.9 |
| Example 3 | 131 | 29 | 14.3 |
| Comparative example 1 | 114 | 20 | 12.1 |
| Comparative example 2 | 130 | 26 | 13.6 |
| Comparative example 3 | 120 | 23 | 12.5 |
Watch 1
2. Examples 1, 2, 3 were tested,
the samples of example 1, example 2, example 3, comparative example 2 and comparative example 3, 3 parts each, were aged, and the aged samples were subjected to vicat softening point temperature test, tensile strength test and impact strength test, with the results as follows,
watch two
Data analysis
Tables one and two were analyzed, and in comparative example 1, styrene was not contained, and in Table one, the Vicat softening point (. degree. C.), tensile strength (MPa) and impact strength (KJ/m) of comparative example 1 were2) All are inferior to examples 1, 2 and 3 because the insoluble sulfur is decomposed at a higher temperature and does not provide a good stabilizing effect, and in table two, comparative example 1 contains potassium iodide and p-tert-butylphenol, so that the anti-aging property is improved, and it was concluded that the addition of styrene can improve the vicat softening point (. degree. C.), tensile strength (MPa) and impact strength (KJ/m) of the sample2)。
As a result of analysis of Table one and Table two, potassium iodide was not contained in comparative example 2, and in Table one, the Vicat softening point (. degree. C.), tensile strength (MPa) and impact strength (KJ/m) of comparative example 2 were found2) The difference in the value from example 1, example 2 and example 3 is not large, and in Table two, comparative example 2 has a Vicat softening point (. degree. C.), tensile strength (MPa) and impact strength (KJ/m) after aging2) Compared with the examples 1, 2 and 3, the reduction of the numerical value is obvious, the oxidation resistance is reduced, and the conclusion is drawn that the addition of the potassium iodide can improve the anti-aging performance of the sample.
Table one and Table two were analyzed, and in comparative example 3, no p-tert-butylphenol was contained, and in Table one, the Vicat softening point (. degree. C.), the tensile strength (MPa) and the impact strength (KJ/m) of comparative example 3 were shown2) The compositions are inferior to those of examples 1, 2 and 3, and in Table two, the Vicat softening point (. degree. C.), tensile strength (MPa) and impact strength (KJ/m) of comparative example 3 after aging are shown2) The differences from examples 1, 2 and 3 were still large, and it was concluded that the addition of p-tert-butylphenol improved the Vicat softening point (. degree. C.), the tensile strength (MPa) and the impact strength (KJ/m) of the samples2) And anti-aging ability.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An anti-aging polypropylene plastic is characterized in that: the anti-aging polypropylene plastic comprises, by weight, 20-30 parts of polypropylene, 10-15 parts of polyethylene, 15-20 parts of styrene, 2-4 parts of potassium iodide, 5-10 parts of a stabilizer, 5-10 parts of a lubricant, 1-3 parts of a colorant, 1-3 parts of a plasticizer, 4-6 parts of an anti-aging agent and 5-7 parts of a hardening agent.
2. The anti-aging polypropylene plastic as claimed in claim 1, wherein: the stabilizer comprises the following raw materials, by weight, 2-4 parts of lauric acid, 5-15 parts of insoluble sulfur, 10-15 parts of methyl tin heat stabilizer and 5-10 parts of silicone master batch.
3. The anti-aging polypropylene plastic as claimed in claim 1, wherein: the lubricant comprises the following raw materials, by weight, 5-7 parts of sodium stearate and 5-7 parts of magnesium stearate.
4. The anti-aging polypropylene plastic as claimed in claim 1, wherein: the plasticizer comprises the following raw materials, by weight, 5-10 parts of cyclic fatty acid methyl ester and 2-6 parts of methyl phosphate.
5. The anti-aging polypropylene plastic as claimed in claim 1, wherein: the anti-aging agent consists of diphenylamine, acetone and p-tert-butylphenol.
6. The anti-aging polypropylene plastic as claimed in claim 1, wherein: the hardener comprises the following raw materials, by weight, 2-4 parts of cellulose and 2-4 parts of glass fiber.
7. The preparation method of the anti-aging polypropylene plastic is characterized by comprising the following steps: the steps are as follows,
(1) mixing polypropylene, polyethylene and styrene together, heating to 250 ℃ at 200-;
(2) dissolving styrene in water, adding divinylbenzene, adding sulfosalicylic acid, heating to 80-120 ℃, and stirring at 500-;
(3) adding diphenylamine into the composition A, stirring, adding acetone, heating, and adding p-tert-butylphenol to obtain a composition B;
(4) adding the composition B into the mixture A, stirring, heating to 150-;
(5) adding cyclic fatty acid methyl ester, methyl phosphate and glycerol into the mixture B, stirring at 600r/min for 500-;
(6) adding cyclic fatty acid methyl ester and methyl phosphate into the mixture C, stirring at the speed of 500-;
(7) and when the temperature is reduced to 180 ℃, adding cellulose and glass fiber, stirring and mixing uniformly, putting into a flat vulcanizing machine for tabletting, and tabletting for 10-15min to obtain the anti-aging polypropylene plastic.
8. The preparation method of the anti-aging polypropylene plastic as claimed in claim 7, wherein the anti-aging polypropylene plastic comprises the following steps: in the step (2), hydrochloric acid is added, and the pH value is 3-4.
9. The preparation method of the anti-aging polypropylene plastic as claimed in claim 7, wherein the anti-aging polypropylene plastic comprises the following steps: in the step (4), potassium iodide is dissolved in ethanol, and the pH is controlled to be 5-6.
10. The preparation method of the anti-aging polypropylene plastic as claimed in claim 7, wherein the anti-aging polypropylene plastic comprises the following steps: in the step (7), the tabletting temperature is 120-150 ℃ and the pressure is 4-5 MPa.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1374340A (en) * | 2002-04-08 | 2002-10-16 | 刘建中 | Plastic alloy |
| CN109486179A (en) * | 2018-09-30 | 2019-03-19 | 张家港绿洲新材料科技有限公司 | A kind of nylon 6 composition and its application in the long runner product of thin-walled |
-
2020
- 2020-10-13 CN CN202011088717.8A patent/CN112225989A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1374340A (en) * | 2002-04-08 | 2002-10-16 | 刘建中 | Plastic alloy |
| CN109486179A (en) * | 2018-09-30 | 2019-03-19 | 张家港绿洲新材料科技有限公司 | A kind of nylon 6 composition and its application in the long runner product of thin-walled |
Non-Patent Citations (2)
| Title |
|---|
| 由文颖等: "不溶性硫磺稳定性研究进展", 《化学推进剂与高分子材料》 * |
| 陆嫣 等: "《有机化学实验》", 30 June 2017, 电子科技大学出版社 * |
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