CN104119587B - A kind of high temperature high voltage resistant hose material modified aluminium alumina and preparation method thereof - Google Patents
A kind of high temperature high voltage resistant hose material modified aluminium alumina and preparation method thereof Download PDFInfo
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- CN104119587B CN104119587B CN201410314241.3A CN201410314241A CN104119587B CN 104119587 B CN104119587 B CN 104119587B CN 201410314241 A CN201410314241 A CN 201410314241A CN 104119587 B CN104119587 B CN 104119587B
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- high temperature
- bauxitic clay
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- raw material
- high voltage
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- 239000000463 material Substances 0.000 title claims abstract description 26
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 150000001398 aluminium Chemical class 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- -1 sorbitol anhydride Chemical class 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000004927 clay Substances 0.000 claims abstract description 15
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 10
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims abstract description 7
- 239000004698 Polyethylene Substances 0.000 claims abstract description 7
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 7
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000010425 asbestos Substances 0.000 claims abstract description 7
- SNCZNSNPXMPCGN-UHFFFAOYSA-N butanediamide Chemical compound NC(=O)CCC(N)=O SNCZNSNPXMPCGN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 7
- 230000009977 dual effect Effects 0.000 claims abstract description 7
- 229910052839 forsterite Inorganic materials 0.000 claims abstract description 7
- 239000011021 lapis lazuli Substances 0.000 claims abstract description 7
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 7
- 229920000573 polyethylene Polymers 0.000 claims abstract description 7
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 7
- 239000000600 sorbitol Substances 0.000 claims abstract description 7
- AFPHTEQTJZKQAQ-UHFFFAOYSA-N 3-nitrobenzoic acid Chemical compound OC(=O)C1=CC=CC([N+]([O-])=O)=C1 AFPHTEQTJZKQAQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 claims abstract description 4
- IRYZKXHZWQIQLN-UHFFFAOYSA-N [PH3]=O.CC1NC1 Chemical compound [PH3]=O.CC1NC1 IRYZKXHZWQIQLN-UHFFFAOYSA-N 0.000 claims abstract description 4
- QCJQWJKKTGJDCM-UHFFFAOYSA-N [P].[S] Chemical compound [P].[S] QCJQWJKKTGJDCM-UHFFFAOYSA-N 0.000 claims abstract description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000292 calcium oxide Substances 0.000 claims abstract description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 4
- 125000005456 glyceride group Chemical group 0.000 claims abstract description 4
- 125000000400 lauroyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims abstract description 4
- 229920000069 polyphenylene sulfide Polymers 0.000 claims abstract description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 239000003610 charcoal Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- HMZGPNHSPWNGEP-UHFFFAOYSA-N octadecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)=C HMZGPNHSPWNGEP-UHFFFAOYSA-N 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- KJPRLNWUNMBNBZ-QPJJXVBHSA-N (E)-cinnamaldehyde Chemical compound O=C\C=C\C1=CC=CC=C1 KJPRLNWUNMBNBZ-QPJJXVBHSA-N 0.000 claims description 3
- HIDBROSJWZYGSZ-UHFFFAOYSA-N 1-phenylpyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=CC=C1 HIDBROSJWZYGSZ-UHFFFAOYSA-N 0.000 claims description 3
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 claims description 3
- VLUWLNIMIAFOSY-UHFFFAOYSA-N 2-methylbenzenesulfinic acid Chemical compound CC1=CC=CC=C1S(O)=O VLUWLNIMIAFOSY-UHFFFAOYSA-N 0.000 claims description 3
- 229930185605 Bisphenol Natural products 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims description 3
- 239000004312 hexamethylene tetramine Substances 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- TUQOTMZNTHZOKS-UHFFFAOYSA-N tributylphosphine Chemical compound CCCCP(CCCC)CCCC TUQOTMZNTHZOKS-UHFFFAOYSA-N 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 239000013536 elastomeric material Substances 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 239000011159 matrix material Substances 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004113 Sepiolite Substances 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical group O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a kind of high temperature high voltage resistant hose material modified aluminium alumina and preparation method thereof, it is made up of the raw material of following weight part: bauxitic clay 70-90, forsterite 15-25, polyisobutylene succinamide 10-15, 1, 4-cyclohexanedimethanol 4-7, boron trioxide 5-8, asbestos powder 5-10, lapis amiridis 10-15, sorbitol anhydride monopalmitate 2-4, dual polyethylene 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, N ˊ-bis-phenylacrolein contracting-1, 6-hexanediamine 2-3, M-nitro benzoic acid 1-2, auxiliary agent 4-6.Bauxitic clay of the present invention is through the modified polarity reducing particle surface, improve and the consistency of elastomeric material and affinity and the dispersiveness in rubber matrix, make bauxitic clay have excellent filling effect, thus improve the physical strength of rubber item, thermostability, the performance such as high temperature resistant, corrosion-resistant.
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 is also known as alumina or bauxite, and its moiety complex, main component is aluminum oxide, is that multiple geology is originated the general name of oxidizing aqueous aluminum ore far from it.Be a kind of earthy mineral, lightweight because having, high temperature resistant, Heat stability is good, the advantages such as thermal conductivity is low, the little and mechanical resistant vibrations 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, is not easily uniformly dispersed in the polymer, therefore, modification must be carried out to sepiolite.
Summary of the invention
The object of the present invention is to provide a kind of dispersing property and the superior high temperature high voltage resistant hose material modified aluminium alumina of filling properties 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, be made up of the raw material of following weight part: bauxitic clay 70-90, forsterite 15-25, polyisobutylene succinamide 10-15, 1, 4-cyclohexanedimethanol 4-7, boron trioxide 5-8, asbestos powder 5-10, lapis amiridis 10-15, sorbitol anhydride monopalmitate 2-4, dual polyethylene 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 contracting-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, waste glass powder 10-15, bamboo charcoal powder 5-10, MM 2-3, t etram-ethyltetravinylcyclotetrasiloxane 1-2, bis-phenol s0.5-1.5, N-phenylmaleimide 2-3; B, magnesia, waste glass powder, bamboo charcoal powder, stearyl methacrylate, MM, t etram-ethyltetravinylcyclotetrasiloxane to be mixed, high speed dispersion 4-6min, with remaining raw material mix and blend 3-5min after drying, dry and obtain described auxiliary agent.
The preparation method of high temperature high voltage resistant hose material modified aluminium alumina of the present invention, comprise the following steps: first by bauxitic clay, forsterite mixes, 1-2h is calcined at 780-840 DEG C, be cooled to room temperature, pulverize, cross after 400-600 mesh sieve with asbestos powder, lapis amiridis, boron trioxide together drops in homogenizer, 5-10min is stirred at 200-250 DEG C, material moisture is made to be less than 0.5%, when material is cooled to 80-90 DEG C, add polyisobutylene succinamide, dual polyethylene polydimethylsiloxane, sorbitol anhydride monopalmitate and 1, 4-cyclohexanedimethanol, stir 4-8min, discharging when material is cooled to below 40 DEG C, dry, finally the material after oven dry and remaining raw material are together dropped in twin screw extruder and melt extrude, pelletizing, dry, cooling, screening, packs.
Beneficial effect of the present invention:
Bauxitic clay of the present invention reduces the polarity of particle surface after modification, improve and the consistency of elastomeric material and affinity and the dispersiveness in rubber matrix, bauxitic clay is made to have excellent filling effect, thus improve the physical strength of rubber item, thermostability, 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, be made up of the raw material of following weight (kg): bauxitic clay 80, forsterite 20, polyisobutylene succinamide 12, 1, 4-cyclohexanedimethanol 6, boron trioxide 7, asbestos powder 9, lapis amiridis 12, sorbitol anhydride monopalmitate 3, dual polyethylene 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 salt 2.5 of sulphur phosphorus, Trilinoleyl glyceride 5, N, the two phenylacrolein contracting-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, waste glass powder 10, bamboo charcoal powder 10, MM 2.5, t etram-ethyltetravinylcyclotetrasiloxane 1.5, bis-phenol s1, N-phenylmaleimide 2.5; B, magnesia, waste glass powder, bamboo charcoal powder, stearyl methacrylate, MM, t etram-ethyltetravinylcyclotetrasiloxane to be mixed, high speed dispersion 5min, with remaining raw material mix and blend 4min after drying, dry and obtain described auxiliary agent.
The high temperature high voltage resistant hose material preparation method of modified aluminium alumina, comprise the following steps: first by bauxitic clay, forsterite mixes, 1h is calcined at 820 DEG C, be cooled to room temperature, pulverize, cross after 500 mesh sieves with asbestos powder, lapis amiridis, boron trioxide together drops in homogenizer, 5-10min is stirred at 250 DEG C, material moisture is made to be less than 0.5%, when material is cooled to 90 DEG C, add polyisobutylene succinamide, dual polyethylene polydimethylsiloxane, sorbitol anhydride monopalmitate and 1, 4-cyclohexanedimethanol, stir 6min, discharging when material is cooled to below 40 DEG C, dry, finally the material after oven dry and remaining raw material are together dropped in twin screw extruder and melt extrude, pelletizing, dry, cooling, screening, packs.
The modified aluminium alumina that above-described embodiment obtains 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 | The bauxitic clay that the present invention is modified |
| 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 (1)
1. a high temperature high voltage resistant hose material modified aluminium alumina, it is characterized in that, be made up of the raw material of following weight part: bauxitic clay 70-90, forsterite 15-25, polyisobutylene succinamide 10-15, 1, 4-cyclohexanedimethanol 4-7, boron trioxide 5-8, asbestos powder 5-10, lapis amiridis 10-15, sorbitol anhydride monopalmitate 2-4, dual polyethylene 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 contracting-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, waste glass powder 10-15, bamboo charcoal powder 5-10, MM 2-3, t etram-ethyltetravinylcyclotetrasiloxane 1-2, bis-phenol s0.5-1.5, N-phenylmaleimide 2-3;
B, magnesia, waste glass powder, bamboo charcoal powder, stearyl methacrylate, MM, t etram-ethyltetravinylcyclotetrasiloxane to be mixed, high speed dispersion 4-6min, with remaining raw material mix and blend 3-5min after drying, dry and obtain described auxiliary agent;
The preparation method of described high temperature high voltage resistant hose material modified aluminium alumina comprises the following steps: first by bauxitic clay, forsterite mixes, 1-2h is calcined at 780-840 DEG C, be cooled to room temperature, pulverize, cross after 400-600 mesh sieve with asbestos powder, lapis amiridis, boron trioxide together drops in homogenizer, 5-10min is stirred at 200-250 DEG C, material moisture is made to be less than 0.5%, when material is cooled to 80-90 DEG C, add polyisobutylene succinamide, dual polyethylene polydimethylsiloxane, sorbitol anhydride monopalmitate and 1, 4-cyclohexanedimethanol, stir 4-8min, discharging when material is cooled to below 40 DEG C, dry, finally the material after oven dry and remaining raw material are together dropped in twin screw extruder and melt extrude, pelletizing, dry, cooling, screening, packs.
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| Application Number | Priority Date | Filing Date | Title |
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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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| 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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| CN104119587A CN104119587A (en) | 2014-10-29 |
| CN104119587B true CN104119587B (en) | 2016-03-30 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7281580B2 (en) * | 2004-09-09 | 2007-10-16 | Halliburton Energy Services, Inc. | High porosity fractures and methods of creating high porosity fractures |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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| Title |
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| 陶土橡胶填料的表面改性配方研究;鲁光辉等;《非金属矿》;20120120;第35卷(第1期);10-12页 * |
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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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