CN104119587A - Modified bauxite for high-temperature-resistant high-pressure-resistant rubber tube material and preparation method thereof - Google Patents
Modified bauxite for high-temperature-resistant high-pressure-resistant rubber tube material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses modified bauxite for high-temperature-resistant high-pressure-resistant rubber tube material and a preparation method thereof. The modified bauxite is prepared from the following raw material in parts by weight: 70-90 parts of bauxite, 15-25 parts of forsterite, 10-15 parts of polyisobutylene succinic imide, 4-7 parts of 1,4-cyclohexanedimethanol, 5-8 parts of diboron trioxide, 5-10 parts of an asbestos powder, 10-15 parts of a corundum powder, 2-4 parts of sorbitan monopalmitate, 1.5-2.5 parts of bispolyethylene dimethicone, 1-2 parts of lauramidopropyl dimethylamine, 45-65 parts of polyphenylene sulfide, 3-6 parts of tris(2-methyl-1-aziridinyl)phosphine oxide, 2-4 parts of calcium oxide, 20-30 parts of poly(4-methyl-1-pentene), 2-3 parts of zinc dioctyl primary alkyl dithiophosphate, 4-6 parts of trilinolein, 2-3 parts of N,N'-dicinnamylidene-1,6-hexamethylenediamine, 1-2 parts of benzoic acid, and 4-6 parts of an auxiliary agent. The bauxite after modification reduces the polarity of the particle surface, improves the compatibility and affinity with a rubber material and the dispersion in a rubber basal body, makes the bauxite have an excellent filling effect, thereby improving mechanical strength, thermal stability, high temperature resistance, corrosion resistance and other properties of rubber products.
Description
Technical field
The present invention relates to a kind of high temperature high voltage resistant hose material modified aluminium alumina and preparation method thereof, belong to mineral filler technical field.
Background technology
Bauxitic clay claims again alumina or bauxite, its moiety complex, and main component is aluminum oxide, is the originate general name of oxidizing aqueous aluminum ore far from it of multiple geology.Be a kind of earthy mineral, lightweight because having, high temperature resistant, Heat stability is good, thermal conductivity is low, and the advantage such as little and resistance to mechanical shock of thermal capacitance can be used as functional stuffing and the reinforced filling of elastomeric material.But bauxitic clay filling effect is in the market poor, in polymkeric substance, be difficult for being uniformly dispersed, therefore, must carry out modification to sepiolite.
Summary of the invention
The object of the present invention is to provide the superior high temperature high voltage resistant hose material of a kind of dispersing property and filling properties modified aluminium alumina and preparation method thereof.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of high temperature high voltage resistant hose material modified aluminium alumina, raw material by following weight part is made: bauxitic clay 70-90, forsterite 15-25, polyisobutenyl succimide 10-15, 1, 4-cyclohexanedimethanol 4-7, boron trioxide 5-8, asbestos powder 5-10, lapis amiridis 10-15, sorbitol anhydride monopalmitate 2-4, double focusing ethene polydimethylsiloxane 1.5-2.5, lauroyl propyl-dimethyl tertiary amine 1-2, polyphenylene sulfide 45-65, three (2-methylaziridine) phosphine oxide 3-6, calcium oxide 2-4, poly--4-methyl-1-pentene 20-30, the two pungent primary alkyl zinc salt 2-3 of sulphur phosphorus, Trilinoleyl glyceride 4-6, N, the two phenylacrolein contractings-1 of N'-, 6-hexanediamine 2-3, M-nitro benzoic acid 1-2, auxiliary agent 4-6,
The preparation method of described auxiliary agent is as follows: a, get the raw material of following weight part: Tetrafluoroboric acid tri-butyl phosphine 3-6, praseodynium aluminium 2-4, stearyl methacrylate 5-8, hexamethylenetetramine 2.5-4.5, magnesia 6-12, dicyclopentadiene 5-10, to toluenesulfinic acid zinc 1.5-2.5, cullet powder 10-15, bamboo charcoal powder 5-10, MM 2-3, tetramethyl-tetrem thiazolinyl cyclotetrasiloxane 1-2, bis-phenol s0.5-1.5, N-phenylmaleimide 2-3; B, magnesia, cullet powder, bamboo charcoal powder, stearyl methacrylate, MM, tetramethyl-tetrem thiazolinyl cyclotetrasiloxane are mixed, high speed dispersion 4-6min, after drying, with remaining raw material mix and blend 3-5min, dry and obtain described auxiliary agent.
The preparation method of modified aluminium alumina for high temperature high voltage resistant hose material of the present invention, comprise the following steps: first by bauxitic clay, forsterite mixes, at 780-840 DEG C, calcine 1-2h, be cooled to room temperature, pulverize, cross after 400-600 mesh sieve and asbestos powder, lapis amiridis, boron trioxide together drops in homogenizer, at 200-250 DEG C, stir 5-10min, make material moisture be less than 0.5%, in the time that material is cooled to 80-90 DEG C, add polyisobutenyl succimide, double focusing ethene polydimethylsiloxane, sorbitol anhydride monopalmitate and 1, 4-cyclohexanedimethanol, stir 4-8min, material is cooled to 40 DEG C of dischargings when following, dry, finally material and remaining raw material after drying are together dropped in twin screw extruder and melt extruded, pelletizing, dry, cooling, screening, packaging.
Beneficial effect of the present invention:
Bauxitic clay of the present invention has reduced the polarity of particle surface after modification, consistency and affinity and the dispersiveness in rubber matrix with elastomeric material are improved, make bauxitic clay there is excellent filling effect, thereby improve the physical strength, thermostability of rubber item, the performance such as high temperature resistant, corrosion-resistant, meet the service requirements of high temperature high voltage resistant hose material completely.
Embodiment
A kind of high temperature high voltage resistant hose material modified aluminium alumina, raw material by following weight (kg) is made: bauxitic clay 80, forsterite 20, polyisobutenyl succimide 12, 1, 4-cyclohexanedimethanol 6, boron trioxide 7, asbestos powder 9, lapis amiridis 12, sorbitol anhydride monopalmitate 3, double focusing ethene polydimethylsiloxane 2, lauroyl propyl-dimethyl tertiary amine 1.5, polyphenylene sulfide 55, three (2-methylaziridine) phosphine oxide 4, calcium oxide 3, poly--4-methyl-1-pentene 25, the two pungent primary alkyl zinc salts 2.5 of sulphur phosphorus, Trilinoleyl glyceride 5, N, the two phenylacrolein contractings-1 of N'-, 6-hexanediamine 2.5, M-nitro benzoic acid 1, auxiliary agent 5,
The preparation method of described auxiliary agent is as follows: a, get the raw material of following weight (kg): Tetrafluoroboric acid tri-butyl phosphine 3, praseodynium aluminium 4, stearyl methacrylate 6, hexamethylenetetramine 3.5, magnesia 9, dicyclopentadiene 7, to toluenesulfinic acid zinc 25, cullet powder 10, bamboo charcoal powder 10, MM 2.5, tetramethyl-tetrem thiazolinyl cyclotetrasiloxane 1.5, bis-phenol s1, N-phenylmaleimide 2.5; B, magnesia, cullet powder, bamboo charcoal powder, stearyl methacrylate, MM, tetramethyl-tetrem thiazolinyl cyclotetrasiloxane are mixed, high speed dispersion 5min, after drying, with remaining raw material mix and blend 4min, dry and obtain described auxiliary agent.
The preparation method of modified aluminium alumina for high temperature high voltage resistant hose material, comprise the following steps: first by bauxitic clay, forsterite mixes, at 820 DEG C, calcine 1h, be cooled to room temperature, pulverize, cross after 500 mesh sieves and asbestos powder, lapis amiridis, boron trioxide together drops in homogenizer, at 250 DEG C, stir 5-10min, make material moisture be less than 0.5%, in the time that material is cooled to 90 DEG C, add polyisobutenyl succimide, double focusing ethene polydimethylsiloxane, sorbitol anhydride monopalmitate and 1, 4-cyclohexanedimethanol, stir 6min, material is cooled to 40 DEG C of dischargings when following, dry, finally material and remaining raw material after drying are together dropped in twin screw extruder and melt extruded, pelletizing, dry, cooling, screening, packaging.
The modified aluminium alumina that above-described embodiment makes is as shown in the table for filling high-pressure rubber pipe Measurement of Material Mechanical Performance result:
The high-pressure rubber pipe Measurement of Material Mechanical Performance result of the filling-modified bauxitic clay of table 1
| Project | Conventional aluminium alumina | Bauxitic clay after modification of the present invention |
| Hardness (Shao Er A, degree) | 62 | 81 |
| 300% stress at definite elongation (MPa) | 8.9 | 15.2 |
| Tensile strength (MPa) | 12.6 | 21.2 |
| Flexural strength (MPa) | 16.8 | 24.3 |
| Elongation at break (%) | 263 | 316 |
| Tear strength (kN/m) | 17.4 | 26.5 |
| Notched Izod impact strength (kJ/m 2) | 18.2 | 27.8 |
Claims (2)
1. a high temperature high voltage resistant hose material modified aluminium alumina, it is characterized in that, raw material by following weight part is made: bauxitic clay 70-90, forsterite 15-25, polyisobutenyl succimide 10-15, 1, 4-cyclohexanedimethanol 4-7, boron trioxide 5-8, asbestos powder 5-10, lapis amiridis 10-15, sorbitol anhydride monopalmitate 2-4, double focusing ethene polydimethylsiloxane 1.5-2.5, lauroyl propyl-dimethyl tertiary amine 1-2, polyphenylene sulfide 45-65, three (2-methylaziridine) phosphine oxide 3-6, calcium oxide 2-4, poly--4-methyl-1-pentene 20-30, the two pungent primary alkyl zinc salt 2-3 of sulphur phosphorus, Trilinoleyl glyceride 4-6, N, the two phenylacrolein contractings-1 of N'-, 6-hexanediamine 2-3, M-nitro benzoic acid 1-2, auxiliary agent 4-6,
The preparation method of described auxiliary agent is as follows: a, get the raw material of following weight part: Tetrafluoroboric acid tri-butyl phosphine 3-6, praseodynium aluminium 2-4, stearyl methacrylate 5-8, hexamethylenetetramine 2.5-4.5, magnesia 6-12, dicyclopentadiene 5-10, to toluenesulfinic acid zinc 1.5-2.5, cullet powder 10-15, bamboo charcoal powder 5-10, MM 2-3, tetramethyl-tetrem thiazolinyl cyclotetrasiloxane 1-2, bis-phenol s 0.5-1.5, N-phenylmaleimide 2-3, b, magnesia, cullet powder, bamboo charcoal powder, stearyl methacrylate, MM, tetramethyl-tetrem thiazolinyl cyclotetrasiloxane are mixed, high speed dispersion 4-6min, after drying, with remaining raw material mix and blend 3-5min, dry and obtain described auxiliary agent.
2. the preparation method of modified aluminium alumina for high temperature high voltage resistant hose material according to claim 1, it is characterized in that comprising the following steps: first by bauxitic clay, forsterite mixes, at 780-840 DEG C, calcine 1-2h, be cooled to room temperature, pulverize, cross after 400-600 mesh sieve and asbestos powder, lapis amiridis, boron trioxide together drops in homogenizer, at 200-250 DEG C, stir 5-10min, make material moisture be less than 0.5%, in the time that material is cooled to 80-90 DEG C, add polyisobutenyl succimide, double focusing ethene polydimethylsiloxane, sorbitol anhydride monopalmitate and 1, 4-cyclohexanedimethanol, stir 4-8min, material is cooled to 40 DEG C of dischargings when following, dry, finally material and remaining raw material after drying are together dropped in twin screw extruder and melt extruded, pelletizing, dry, cooling, screening, packaging.
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| CN201410314241.3A CN104119587B (en) | 2014-07-02 | 2014-07-02 | A kind of high temperature high voltage resistant hose material modified aluminium alumina and preparation method thereof |
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Citations (5)
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| CN1253979A (en) * | 1998-11-18 | 2000-05-24 | 中国科学院金属腐蚀与防护研究所 | Heat-resisting acid-proofing paint for surface of metal material |
| US20080060809A1 (en) * | 2004-09-09 | 2008-03-13 | Parker Mark A | High Porosity Fractures and Methods of Creating High Porosity Fractures |
| CN101448899A (en) * | 2006-05-24 | 2009-06-03 | 宝理塑料株式会社 | Resin composition with high thermal conductivity |
| CN101642796A (en) * | 2009-08-28 | 2010-02-10 | 深圳市景鼎现代科技有限公司 | Formula and preparation process of alcohol group nanometer composite and surface modified dry powder mold paint |
| CN102584265A (en) * | 2012-01-11 | 2012-07-18 | 浙江大学 | Refractory material granules with calcium fluoride layers on surfaces and preparation method for refractory material granules |
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- 2014-07-02 CN CN201410314241.3A patent/CN104119587B/en active Active
Patent Citations (5)
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|---|---|---|---|---|
| CN1253979A (en) * | 1998-11-18 | 2000-05-24 | 中国科学院金属腐蚀与防护研究所 | Heat-resisting acid-proofing paint for surface of metal material |
| US20080060809A1 (en) * | 2004-09-09 | 2008-03-13 | Parker Mark A | High Porosity Fractures and Methods of Creating High Porosity Fractures |
| CN101448899A (en) * | 2006-05-24 | 2009-06-03 | 宝理塑料株式会社 | Resin composition with high thermal conductivity |
| CN101642796A (en) * | 2009-08-28 | 2010-02-10 | 深圳市景鼎现代科技有限公司 | Formula and preparation process of alcohol group nanometer composite and surface modified dry powder mold paint |
| CN102584265A (en) * | 2012-01-11 | 2012-07-18 | 浙江大学 | Refractory material granules with calcium fluoride layers on surfaces and preparation method for refractory material granules |
Non-Patent Citations (2)
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| A.GALANTI等: "用亲有机物质的陶土填充剂增强SBS", 《橡胶参考资料》 * |
| 鲁光辉等: "陶土橡胶填料的表面改性配方研究", 《非金属矿》 * |
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Denomination of invention: Modified bauxite for high-temperature-resistant high-pressure-resistant rubber tube material and preparation method thereof Effective date of registration: 20170616 Granted publication date: 20160330 Pledgee: China Co. truction Bank Corp Hefei Luyang branch Pledgor: HEFEI HEAN MACHINERY MANUFACTURING Co.,Ltd. Registration number: 2017340000093 |
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Date of cancellation: 20221125 Granted publication date: 20160330 Pledgee: China Co. truction Bank Corp Hefei Luyang branch Pledgor: HEFEI HEAN MACHINERY MANUFACTURING Co.,Ltd. Registration number: 2017340000093 |