CN112646652A - Lubricating grease for textile machinery and preparation method thereof - Google Patents
Lubricating grease for textile machinery and preparation method thereof Download PDFInfo
- Publication number
- CN112646652A CN112646652A CN201910969858.1A CN201910969858A CN112646652A CN 112646652 A CN112646652 A CN 112646652A CN 201910969858 A CN201910969858 A CN 201910969858A CN 112646652 A CN112646652 A CN 112646652A
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- parts
- lubricating grease
- white oil
- weight
- grease
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- 239000004519 grease Substances 0.000 title claims abstract description 44
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 38
- 239000004753 textile Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 30
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 9
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 9
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000008117 stearic acid Substances 0.000 claims abstract description 9
- 238000007872 degassing Methods 0.000 claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 4
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 3
- 239000003921 oil Substances 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 19
- 239000012964 benzotriazole Substances 0.000 claims description 9
- IKEHOXWJQXIQAG-UHFFFAOYSA-N 2-tert-butyl-4-methylphenol Chemical group CC1=CC=C(O)C(C(C)(C)C)=C1 IKEHOXWJQXIQAG-UHFFFAOYSA-N 0.000 claims description 8
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 239000012467 final product Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 claims description 2
- 239000003112 inhibitor Substances 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000010687 lubricating oil Substances 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 5
- 229910052708 sodium Inorganic materials 0.000 abstract description 5
- 239000011734 sodium Substances 0.000 abstract description 5
- 239000013556 antirust agent Substances 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 239000000344 soap Substances 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000002562 thickening agent Substances 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/06—Mixtures of thickeners and additives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
- C10M2207/1265—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic used as thickening agent
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
Abstract
The invention relates to the technical field of lubricating grease, and in particular relates to lubricating grease for textile machinery, which is prepared from the following raw materials, by weight, 10-15 parts of stearic acid, 1.5-2.2 parts of NaOH, 0.03-0.05 part of an antirust agent, 0.3-0.5 part of an antioxidant and 84-89 parts of industrial white oil through chemical reaction. The light-color sodium soap thickener obtained by reacting stearic acid with NaOH is mixed with industrial white oil to prepare the white base lubricating grease which is easy to wash, and the technological procedures of mixing, grinding, degassing and the like are carried out to prepare the lubricating grease with good performance for textile machinery.
Description
Technical Field
The invention relates to the technical field of lubricating grease, and particularly relates to special lubricating grease for textile machinery and a preparation method thereof.
Background
At present, textile machinery in China is generally lubricated by universal lithium-based lubricating grease, sodium-based lubricating grease, white lithium-based lubricating grease and other lubricating grease, and the lubricating grease has the problem that the lubricating grease is difficult to clean and remove after being in contact with textiles.
The universal lithium-based lubricating grease has excellent lubricating performance, but oil stains remained on textiles of the universal lithium-based lubricating grease cannot be removed by washing, and the oil stains are dark in color; although sodium-based lubricating grease can be removed by washing, the appearance of the textile is still influenced to a certain extent after the cleaning because the color of the grease is darker; white lithium grease, while not affecting the appearance of the textile, cannot be removed by water washing.
Disclosure of Invention
The invention aims to provide white lubricating grease easy to wash, which is prepared from the following components in parts by weight:
the white lubricating grease which is easy to wash is prepared by mixing a light-color sodium soap thickening agent obtained by reacting stearic acid with NaOH and industrial white oil; so that the finished lubricating grease has excellent oxidation resistance and corrosion resistance.
Preferably, the antirust agent is benzotriazole.
Preferably, the antioxidant is tert-butyl-p-cresol. Compared with other antirust agents and antioxidants, the benzotriazole and tert-butyl p-cresol are nearly colorless after being added, and the final cleaning effect of the textile is not influenced.
Preferably, the technical white oil is No. 68 technical white oil.
As a preferred scheme, the grease lubricant is prepared from the following components in parts by weight:
the composite material is preferably prepared from the following components in parts by weight:
or
Or
The invention also provides a preparation method of the lubricating grease, which comprises the following steps:
1) heating 35-45 parts by weight of industrial white oil and stearic acid to 80-85 ℃, adding an aqueous solution of NaOH, and heating to 100-110 ℃ to react for 2.5-3.5 hours;
2) heating to 145-165 ℃, adding 20-30 parts by weight of industrial white oil, continuing heating to 200-210 ℃, keeping the temperature for 5-10 min, cooling to 108-112 ℃, and adding benzotriazole;
3) adding tert-butyl-p-cresol at 105 deg.C, grinding at 100-105 deg.C, adding the rest industrial white oil, adjusting consistency, and degassing to obtain the final product.
More preferably, the method comprises the following steps:
1) heating 35-45 parts by weight of industrial white oil and stearic acid to 80-85 ℃, adding an aqueous solution of NaOH, and heating to 100-110 ℃ to react for 2.5-3.5 hours;
2) heating to 145-165 ℃, adding 20-30 parts by weight of industrial white oil, continuing to heat to 200-210 ℃, keeping the temperature for 5-10 min, adding 10-20 parts of industrial white oil, quenching, cooling to 108-112 ℃, and adding benzotriazole;
3) adding tert-butyl-p-cresol at 105 deg.C, grinding at 100-105 deg.C, adding the rest industrial white oil, adjusting consistency, and degassing to obtain the final product.
In the step 2), the industrial white oil is added in batches, so that the fiberization performance of the lubricating grease can be effectively improved, and the lubricating grease with short fibers is obtained.
The units of parts by weight in the present invention are general weight units such as g and kg.
The invention has the following beneficial effects:
the invention prepares the lubricating grease for textile machinery with good performance by adopting light-color sodium soap thickening Liu obtained by reacting stearic acid and NaOH, preparing white base lubricating grease which is easy to wash by adding industrial white oil, adding an optimal light-color additive composition into the base grease, and carrying out the process procedures of mixing, grinding, degassing and the like.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The industrial white oil referred to in the examples is No. 68 industrial white oil, and the unit of parts by weight referred to in the examples is kg.
Example 1
The embodiment relates to special lubricating grease for textile machinery, which is prepared from the following raw materials in parts by weight:
the preparation method comprises the following steps:
1) heating 40 parts of industrial white oil and stearic acid to 85 ℃, adding a NaOH aqueous solution, heating to 110 ℃, and reacting for 2 hours;
2) then heating to 150 ℃, and adding 30 parts of industrial white oil; continuously heating to 200 deg.C, refining, keeping the temperature for 10min, and cooling.
3) Adding benzotriazole at a temperature below 110 deg.C, adding tert-butyl p-cresol at a temperature below 105 deg.C, grinding at 105 deg.C, adding the rest industrial white oil, and adjusting consistency.
4) Degassing the prepared lubricating grease to obtain a finished product.
Example 2
The embodiment relates to special lubricating grease for textile machinery, which is prepared from the following raw materials in parts by weight:
the preparation method is the same as that of example 1.
Example 3
The embodiment relates to special lubricating grease for textile machinery, which is prepared from the following raw materials in parts by weight:
the preparation method is the same as that of example 1.
Example 4
Compared with the example 1, the difference is that the preparation method comprises the following steps:
1) heating 40 parts of industrial white oil and stearic acid to 85 ℃, adding a NaOH aqueous solution, heating to 110 ℃, and reacting for 2 hours;
2) heating to 150 ℃, and adding 20 parts of industrial white oil; continuously heating to 200 ℃ for refining, keeping the temperature for 10min, adding 10 parts of industrial white oil, quenching, cooling to 108-112 ℃, adding benzotriazole, and cooling;
3) adding benzotriazole at a temperature below 110 deg.C, adding tert-butyl p-cresol at a temperature below 105 deg.C, grinding at 105 deg.C, adding the rest industrial white oil, and adjusting consistency;
4) degassing the prepared lubricating grease to obtain a finished product.
Comparative example 1
The difference compared to example 1 is that the starting material is different, and LiOH is used instead of NaOH in example 1. In the preparation process, refining is carried out at 215-220 ℃ in the step 2), and the result shows that the prepared lubricating grease is not easy to clean and remove after being attached to textiles.
Examples of the experiments
The relevant properties in the examples and comparative examples were tested and the results are shown in table 1:
table 1 example test data
The equipment in the four embodiments and the comparative example is a conventional open reaction kettle, and the used raw materials are purchased in the market; the detection process is consistent.
The lubricating grease for textile machinery is white lubricating grease easy to wash by water, has excellent oxidation resistance and corrosion resistance and excellent lubricating performance, and can meet the lubricating requirements of the textile machinery. After the addition mode of the industrial white is improved, the fiberization performance of the lubricating grease can be effectively improved, and the factice with shorter fiber and more uniform appearance is obtained.
Although the invention has been described in detail hereinabove by way of general description, specific embodiments and experiments, it will be apparent to those skilled in the art that many modifications and improvements can be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The lubricating grease for textile machinery is characterized by being prepared from the following components in parts by weight:
2. the grease of claim 1, wherein the rust inhibitor is benzotriazole.
3. Grease according to claim 1 or 2, characterized in that the antioxidant is tert-butyl-p-cresol.
4. A grease according to any one of claims 1 to 3, wherein the technical white oil is No. 68 technical white oil.
5. The grease of claim 1, prepared from the following components in parts by weight:
6. the lubricating oil of claim 1, prepared from the following components in parts by weight:
or
Or
7. A method for preparing a grease according to any one of claims 1 to 6, comprising the steps of:
1) heating 35-45 parts by weight of industrial white oil and stearic acid to 80-85 ℃, adding an aqueous solution of NaOH, and heating to 100-110 ℃ to react for 2.5-3.5 hours;
2) heating to 145-165 ℃, adding 20-30 parts by weight of industrial white oil, continuing heating to 200-210 ℃, keeping the temperature for 5-10 min, cooling to 108-112 ℃, and adding benzotriazole;
3) adding tert-butyl-p-cresol at 105 deg.C, grinding at 100-105 deg.C, adding the rest industrial white oil, adjusting consistency, and degassing to obtain the final product.
8. The preparation method according to claim 7, characterized in that the step 2) further comprises the operation of adding 10-20 parts of industrial white oil before cooling to 108-112 ℃, and then quenching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910969858.1A CN112646652A (en) | 2019-10-12 | 2019-10-12 | Lubricating grease for textile machinery and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910969858.1A CN112646652A (en) | 2019-10-12 | 2019-10-12 | Lubricating grease for textile machinery and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112646652A true CN112646652A (en) | 2021-04-13 |
Family
ID=75343022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910969858.1A Pending CN112646652A (en) | 2019-10-12 | 2019-10-12 | Lubricating grease for textile machinery and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112646652A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032550A (en) * | 1987-10-10 | 1989-04-26 | 中国科学院兰州化学物理研究所 | White solid lubricant film forming paste |
| RO114344B (en) * | 1990-09-03 | 1999-03-30 | Piese De Schimb Si Utilaje Pen | Grease composition and process for producing the same |
| CN101235336A (en) * | 2008-01-24 | 2008-08-06 | 益田润石（北京）化工有限公司 | High abrasion-resisting easy-cleaning knitting machine oil composition |
| CN102268319A (en) * | 2011-07-07 | 2011-12-07 | 中国石油化工股份有限公司 | White lubricating grease composition and preparation method |
| CN105586129A (en) * | 2014-10-23 | 2016-05-18 | 中国石油化工股份有限公司 | A sodium-based lubricating grease composition with excellent wear resistance and a preparing method thereof |
-
2019
- 2019-10-12 CN CN201910969858.1A patent/CN112646652A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032550A (en) * | 1987-10-10 | 1989-04-26 | 中国科学院兰州化学物理研究所 | White solid lubricant film forming paste |
| RO114344B (en) * | 1990-09-03 | 1999-03-30 | Piese De Schimb Si Utilaje Pen | Grease composition and process for producing the same |
| CN101235336A (en) * | 2008-01-24 | 2008-08-06 | 益田润石（北京）化工有限公司 | High abrasion-resisting easy-cleaning knitting machine oil composition |
| CN102268319A (en) * | 2011-07-07 | 2011-12-07 | 中国石油化工股份有限公司 | White lubricating grease composition and preparation method |
| CN105586129A (en) * | 2014-10-23 | 2016-05-18 | 中国石油化工股份有限公司 | A sodium-based lubricating grease composition with excellent wear resistance and a preparing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张澄清、李庆德: "《润滑脂应用指南》", 31 March 1997, 中国石化出版社 * |
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| PB01 | Publication | ||
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Application publication date: 20210413 |
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