CN103450671A - Thermal-stable and hydrolysis/alcoholysis-resistant nylon masterbatch and preparation method thereof - Google Patents
Thermal-stable and hydrolysis/alcoholysis-resistant nylon masterbatch and preparation method thereof Download PDFInfo
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- CN103450671A CN103450671A CN201310382550XA CN201310382550A CN103450671A CN 103450671 A CN103450671 A CN 103450671A CN 201310382550X A CN201310382550X A CN 201310382550XA CN 201310382550 A CN201310382550 A CN 201310382550A CN 103450671 A CN103450671 A CN 103450671A
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Abstract
The invention relates to a thermal-stable and hydrolysis/alcoholysis-resistant nylon masterbatch. The thermal-stable and hydrolysis/alcoholysis-resistant nylon masterbatch is prepared by mixing and extruding the following raw materials in percentage by weight: 42.5%-67.5% of polyamide, 10%-20% of cuprous iodide, 10%-20% of potassium iodide, 1%-3% of lubricating agent, 0.2%-0.5% of antioxidant, 2%-4% of interface coupling agent and 5%-10% of anti-aging agent. A preparation method of the thermal-stable and hydrolysis/alcoholysis-resistant nylon masterbatch comprises the following steps: S1) drying; S2) proportioning the materials; S3) mixing and stirring the materials; S4) extruding. The thermal-stable and hydrolysis/alcoholysis-resistant nylon masterbatch provided by the invention can be added into modified nylon to endow the nylon with long-term stable resistance to chemical corrosion, especially high-temperature hydrolysis and alcoholysis and harsh chemical environments, the thermal-stable and hydrolysis/alcoholysis-resistant nylon masterbatch can be widely applied to nylon modifying materials to enable the nylon materials after modification to keep stable performances at the temperature of 180 DEG C for a long time and realize long-term resistance to brittleness caused by hydrolysis and a hot alcohol solution and improve the thermal stability, high temperature resistance, hydrolysis resistance and alcoholysis resistance of the nylon.
Description
Technical field
The present invention dragon master batch preparing technical field, more particularly, particularly a kind of thermally-stabilised water-fast alcoholysis nylon master batch and preparation method thereof.
Background technology
Polymeric amide has excellent shock strength and excellent rub resistance wear characteristic, thermotolerance, the chemically-resistant property of medicine, oilness and dyeability etc., especially polymeric amide strengthen after its intensity after alloy modification, the goods precision, the dimensional stability equalization all improves a lot, thereby be used widely in automotive industry, but the high heat of engine high-temperature is born in the component material requirements of motor car engine periphery, vapour (diesel oil), lubricating oil, the pollution of deicing fluid etc., for the visual appearance of its interior quality of material of ensureing the motor car engine periphery is not affected, need improve thermostability and the hydrolysis of polymeric amide, the ability of alcoholysis.
Summary of the invention
The object of the present invention is to provide the preparation method of a kind of thermally-stabilised water-fast alcoholysis nylon master batch and a kind of thermally-stabilised water-fast alcoholysis nylon master batch, to solve the above problems.
The invention provides a kind of thermally-stabilised water-fast alcoholysis nylon master batch, by following raw material, through extrusion, made, raw material includes according to the massfraction meter: the oxidation inhibitor of the potassiumiodide of the polymeric amide of 42.5%-67.5%, the cuprous iodide of 10%-20%, 10%-20%, the lubricant of 1%-3%, 0.2%-0.5%, the interface coupling agent of 2%-4% and the anti-aging agent of 5%-10%.
Preferably, the cuprous iodide that described cuprous iodide is the analytical pure level, the potassiumiodide that described potassiumiodide is the analytical pure level.
Preferably, described lubricant is: any one or its multiple combination arbitrarily in the two amine hydroxybenzenes of calcium stearate, Zinic stearas, ethylene bis stearamide, ethylene, lower molecular weight superpolymer, silicone, ethylene-acrylic acid copolymer.
Preferably; described oxidation inhibitor is: four [β-(3; 5 di-tert-butyl-hydroxy phenyls) propionic acid] tetramethylolmethane acid, three [2; the 4-di-tert-butyl-phenyl] phosphorous acid ester, N; N '-bis--[3-(3; 5-di-t-butyl-4 hydroxy phenyl) propionyl] any one or its multiple combination arbitrarily in hexanediamine, two (2,4-, bis-trimethylphenylmethane bases) pentaerythritol diphosphites.
Preferably, described interface coupling agent is: any one or its arbitrarily multiple combination in γ-amine propyl-triethoxysilicane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl trimethoxy silicane, Research of Grafting Malaic Anhydride Onto Polyethylene, linear low density polyethylene grafted maleic anhydride, styrene-maleic anhydride copolymer, polyolefin elastomer grafted maleic anhydride.
Preferably, described anti-aging agent is: any one or its arbitrarily multiple combination in amines antioxidants, ketoamine class anti-aging agent, diaryl secondary amine antioxidant, tetramethyl-p-phenylene diamine class anti-aging agent.
The present invention also provides a kind of preparation method of thermally-stabilised water-fast alcoholysis nylon master batch, comprises step:
S1, oven dry, place nylon in the baking oven of 100 ℃ dry 3-4 hour;
S2, material mixture ratio, take respectively polymeric amide, cuprous iodide, potassiumiodide, lubricant, oxidation inhibitor, interface coupling agent, anti-aging agent by each weight percentages of components in formula;
S3, batch mixing stir, nylon, lubricant, oxidation inhibitor, interface coupling agent are joined in homogenizer and stir, render to the storage vat that the weight-loss metering at an opening for feed place of homogenizer claims, then will weigh up cuprous iodide, potassiumiodide, anti-aging agent and join in homogenizer the storage vat that another opening for feed place weight-loss metering of rendering to homogenizer of stirring claims.The storage vat that weight-loss metering claims, then will weigh up the storage vat that weight-loss metering that cuprous iodide, potassiumiodide, anti-aging agent join in homogenizer the opening for feed place rendering to homogenizer of stirring claims;
S4, extrude, in the ratio of formula, use the mode of weight-loss metering that the material of step 3 is put in the upper screw extrusion press that length-to-diameter ratio is 40:1, screw rod is set and reports as 600r/min, processing temperature is set according to the kind of nylon, after melting mixing, extrudes, tie rod, pelletizing, packing.
Thermally-stabilised water-fast alcoholysis nylon master batch provided by the invention, it is added in modification of nylon gives nylon opposing steady in a long-term chemical corrosion, particularly high-temperature water, alcoholysis and severe chemical environment, can be widely used in modified nylon material, make nylon material after modification can be long-term stable the and long-term opposing hydrolysis of retention and hot alcoholic solution cause under the condition of 180 ℃ embrittlement.Thermostability provided by the invention is water-fast alcoholysis nylon master batch, can be applied to the modified nylon field, improve the thermostability fire resistant water resistant solution of nylon, the performance of anti-alcoholysis, widen the field of the use of nylon, make the nylon 66 after enhancing modified can be applied to the motor car engine circumferential component.
The accompanying drawing explanation
The preparation method's of thermally-stabilised water-fast alcoholysis nylon master batch schema in Fig. 1 an embodiment of the present invention.
Embodiment
Below by specific embodiment, also by reference to the accompanying drawings the present invention is described in further detail.
Please refer to Fig. 1, the preparation method's of thermally-stabilised water-fast alcoholysis nylon master batch schema in Fig. 1 an embodiment of the present invention.
Embodiment 1:
Take 57Kg nylon 6 under 100 ℃ dry 2 hours, then with silicone 0.6Kg, oxidation inhibitor N, N '-bis--[3-(3, 5-di-t-butyl-4 hydroxy phenyl) propionyl] hexanediamine 200g, oxidation inhibitor two (2, 4-bis-trimethylphenylmethane bases) pentaerythritol diphosphites 200g, LDPE-g-MAH3Kg, in high-speed stirring, with 1000 rev/mins, stir 5 minutes, after stirring, emit, the material mixed is put into to weight-loss metering and claim 1# (one of them opening for feed position of the homogenizer) storage vat of feeding station, then by the 15kg potassiumiodide, the 15kg cuprous iodide, 1.5kg Zinic stearas, 300gKH560, 7.5kg amines antioxidants, in high-speed stirring, with 1000 rev/mins, stir 5 minutes, after stirring, emit, the material mixed is put into to the storage vat that weight-loss metering claims the feeding station, by weightlessness, claim the mode of metering that material is added in the twin screw extruder of major diameter (L/D) for 40:1.
Embodiment 2:
Take 57Kg nylon 66 under 100 ℃ dry 2 hours, then with silicone 0.6Kg, oxidation inhibitor N, N '-bis--[3-(3, 5-di-t-butyl-4 hydroxy phenyl) propionyl] hexanediamine 200g, oxidation inhibitor two (2, 4-bis-trimethylphenylmethane bases) pentaerythritol diphosphites 200g, LDPE-g-MAH3Kg, in high-speed stirring, with 1000 rev/mins, stir 5 minutes, after stirring, emit, the material mixed is put into to the storage vat that weight-loss metering claims 1# feeding station, then by the 15kg potassiumiodide, the 15kg cuprous iodide, 1.5kg Zinic stearas, 300g KH560, 7.5kg amines antioxidants, in high-speed stirring, with 1000 rev/mins, stir 5 minutes, after stirring, emit, the material mixed is put into to the storage vat that weight-loss metering claims the feeding station, by weightlessness, claim the mode of metering that material is added in the twin screw extruder of major diameter (L/D) for 40:1.
Embodiment 3:
Take 69.5Kg nylon 6 under 100 ℃ dry 2 hours, then with ethylene bis stearamide 0.6Kg, oxidation inhibitor N, N '-bis--[3-(3, 5-di-t-butyl-4 hydroxy phenyl) propionyl] hexanediamine 200g, oxidation inhibitor two (2, 4-bis-trimethylphenylmethane bases) pentaerythritol diphosphites 200g, SMA3Kg, in high-speed stirring, with 1000 rev/mins, stir 5 minutes, after stirring, emit, the material mixed is put into to the storage vat that weight-loss metering claims 1# feeding station, then by the 10kg potassiumiodide, the 10kg cuprous iodide, 1.5kg Zinic stearas, 300g KH560, 5kg ketoamine class anti-aging agent, in high-speed stirring, with 1000 rev/mins, stir 5 minutes, after stirring, emit, the material mixed is put into to the storage vat that weight-loss metering claims the feeding station, by weightlessness, claim the mode of metering that material is added in the twin screw extruder of major diameter (L/D) for 40:1.Engine speed is 600 turn/min, cooling after extruding after, air-dry pelletizing, prepare thermally-stabilised hydrolysis nylon master batch of the present invention.
Claims (7)
1. a thermally-stabilised water-fast alcoholysis nylon master batch, it is characterized in that, by following raw material, through extrusion, made, raw material includes according to the massfraction meter: the oxidation inhibitor of the potassiumiodide of the polymeric amide of 42.5%-67.5%, the cuprous iodide of 10%-20%, 10%-20%, the lubricant of 1%-3%, 0.2%-0.5%, the interface coupling agent of 2%-4% and the anti-aging agent of 5%-10%.
2. according to thermally-stabilised water-fast alcoholysis nylon master batch claimed in claim 1, it is characterized in that the cuprous iodide that described cuprous iodide is the analytical pure level, the potassiumiodide that described potassiumiodide is the analytical pure level.
3. thermally-stabilised water-fast alcoholysis nylon master batch according to claim 1, it is characterized in that, described lubricant is: any one or its multiple combination arbitrarily in the two amine hydroxybenzenes of calcium stearate, Zinic stearas, ethylene bis stearamide, ethylene, lower molecular weight superpolymer, silicone, ethylene-acrylic acid copolymer.
4. thermally-stabilised water-fast alcoholysis nylon master batch according to claim 1; it is characterized in that; described oxidation inhibitor is: four [β-(3; the 5-di-tert-butyl-hydroxy phenyl) propionic acid] tetramethylolmethane acid three [2; the 4-di-tert-butyl-phenyl] phosphorous acid ester, N; any one or its arbitrarily multiple combination in N '-bis--[3-(3,5-di-t-butyl-4 hydroxy phenyl) propionyl] hexanediamine, two (2,4-, bis-trimethylphenylmethane bases) pentaerythritol diphosphites.
5. thermally-stabilised water-fast alcoholysis nylon master batch according to claim 1, it is characterized in that, described interface coupling agent is: any one or its arbitrarily multiple combination in γ-amine propyl-triethoxysilicane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl trimethoxy silicane, Research of Grafting Malaic Anhydride Onto Polyethylene, linear low density polyethylene grafted maleic anhydride, styrene-maleic anhydride copolymer, polyolefin elastomer grafted maleic anhydride.
6. thermally-stabilised water-fast alcoholysis nylon master batch according to claim 1, it is characterized in that, described anti-aging agent is: any one or its arbitrarily multiple combination in amines antioxidants, ketoamine class anti-aging agent, diaryl secondary amine antioxidant, tetramethyl-p-phenylene diamine class anti-aging agent.
7. the preparation method of a thermally-stabilised water-fast alcoholysis nylon master batch, is characterized in that, comprising:
Step 1, nylon is placed in the baking oven of 100 ℃ dry 3-4 hour;
Step 2, by the formula in each weight percentages of components take respectively polymeric amide, cuprous iodide, potassiumiodide, lubricant, oxidation inhibitor, interface coupling agent, anti-aging agent;
Step 3, nylon, lubricant, oxidation inhibitor, interface coupling agent are joined in homogenizer and stir, render to the storage vat that the weight-loss metering at an opening for feed place of homogenizer claims, then will weigh up the storage vat that weight-loss metering that cuprous iodide, potassiumiodide, anti-aging agent join in homogenizer another opening for feed place that renders to homogenizer of stirring claims;
Step 4, in the ratio of formula, use the mode of weight-loss metering that the material of step 3 is put in the upper screw extrusion press that length-to-diameter ratio is 40:1, screw rod is set to be reported as 600r/min, processing temperature is set according to the kind of nylon, after melting mixing, extrudes, tie rod, pelletizing, packing.
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Cited By (5)
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| CN107974082A (en) * | 2017-11-24 | 2018-05-01 | 广东威林工程塑料股份有限公司 | A kind of special polyamide compoiste material of retainer and preparation method thereof |
| CN112480661A (en) * | 2020-10-31 | 2021-03-12 | 山东广垠新材料有限公司 | High-temperature-resistant hydrolysis-resistant modified polyamide pipeline material and preparation method thereof |
| CN113321931A (en) * | 2021-06-11 | 2021-08-31 | 上海珐工材料科技有限公司 | Copper master batch with heat-resistant and stable characteristics added in PA66 continuous polymerization and preparation method thereof |
| CN114133730A (en) * | 2021-11-16 | 2022-03-04 | 宿迁联盛科技股份有限公司 | High-temperature-resistant heat-oxygen-aging-resistant polyamide heat stabilizer masterbatch and preparation method thereof |
| CN117777435A (en) * | 2023-08-22 | 2024-03-29 | 上海北冈新材料有限公司 | Semi-aromatic copolyamide, semi-aromatic polyamide composition, and preparation method and application thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114133730A (en) * | 2021-11-16 | 2022-03-04 | 宿迁联盛科技股份有限公司 | High-temperature-resistant heat-oxygen-aging-resistant polyamide heat stabilizer masterbatch and preparation method thereof |
| CN117777435A (en) * | 2023-08-22 | 2024-03-29 | 上海北冈新材料有限公司 | Semi-aromatic copolyamide, semi-aromatic polyamide composition, and preparation method and application thereof |
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