CN109852460A - A kind of aqueous graphite lubricating agent and its preparation method and application - Google Patents
A kind of aqueous graphite lubricating agent and its preparation method and application Download PDFInfo
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- CN109852460A CN109852460A CN201910024360.8A CN201910024360A CN109852460A CN 109852460 A CN109852460 A CN 109852460A CN 201910024360 A CN201910024360 A CN 201910024360A CN 109852460 A CN109852460 A CN 109852460A
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Abstract
The invention discloses a kind of aqueous graphite lubricating agents and its preparation method and application, by weight, including following components: 30-50 parts of graphite, 5-8 parts of graphene oxide, 3-4 parts of glyceryl monostearate, 2-3 parts of sodium carboxymethylcellulose, 2-3 parts of sodium dihydrogen phosphate, 2-3 parts of magnesium chloride, 2-3 parts of sodium Diacetate, 1-2 parts of sodium benzoate, 1-2 parts of methyl naphthalene sulfonate formaldehyde condensate, 0.5-1 parts of polyacrylamide, 0.5-1 parts of xanthan gum, 0.5-1 parts of triethanolamine, surplus are water.Graphene oxide in the present invention can be evenly dispersed in the lubricant and acts synergistically with graphite, the extreme pressure property P for the aqueous graphite lubricating agent being finally preparedBValue can reach 780N or more, it is no more than 0.068 no more than 0.063, in 1150 DEG C of high temperature friction coefficient values no more than 0.057, in 1050 DEG C of high temperature friction coefficient values in 950 DEG C of high temperature friction coefficient values, aqueous graphite lubricating agent i.e. in the present invention has very excellent high temperature friction coefficient and anti-extreme pressure performance, is extremely suitble to the use in rolling seamless steel pipe.
Description
Technical field
The present invention relates to technical field of lubricant, in particular to a kind of aqueous low temperature resistant graphitic lubricant and preparation method thereof
And application.
Background technique
In Hot Strip Rolling, metal is deformed in the annular space that roll and plug surround, plug and metal
Between have biggish interaction force.Core rod lubricant agent can promote flow of metal uniform, reduce roll-force and mandrel movement limiting power,
It is uneven to reduce steel pipe transverse wall thickness, improves steel tube surface quality, increases heat-insulating property, mandrel surface temperature is reduced, to mention
The service life and tube quality of high plug.
Since graphite fusing point is higher, chemical stability is preferable, and certain lubricating action can be played, therefore in rolling core
Using relatively broad in stick.But it is very important in actual production, graphitic lubricant now on the market is generally existing
The disadvantage that high temperature friction coefficient is higher, anti-extreme pressure can be poor, the steel produced is easy to cause using these graphitic lubricants
There is flaw in pipe quality.
Summary of the invention
The technical problem to be solved in the present invention is that provide a kind of high temperature friction coefficient is lower, anti-extreme pressure can preferable water
Property graphitic lubricant.In addition, the present invention also provides the preparation methods of above-mentioned aqueous graphite lubricating agent.
To solve the above-mentioned problems, using following technical scheme: a kind of aqueous graphite lubricating agent, by weight, including
Following components: 30-50 parts of graphite, 5-8 parts of graphene oxide, 3-4 parts of glyceryl monostearate, 2-3 parts of sodium carboxymethylcellulose,
2-3 parts of sodium dihydrogen phosphate, 2-3 parts of magnesium chloride, 2-3 parts of sodium Diacetate, 1-2 parts of sodium benzoate, the condensation of methyl naphthalene sulfonic acid sodium formaldehyde
1-2 parts of object, 0.5-1 parts of polyacrylamide, 0.5-1 parts of xanthan gum, 0.5-1 parts of triethanolamine, surplus are water.
Preferably, above-mentioned aqueous graphite lubricating agent includes following components: 40 parts of graphite, 6.5 parts of graphene oxide, stearic acid
3.5 parts of monoglyceride, 2.5 parts of sodium carboxymethylcellulose, 2.5 parts of sodium dihydrogen phosphate, 2.5 parts of magnesium chloride, 2.5 parts of sodium Diacetate,
1.5 parts of sodium benzoate, 1.5 parts of methyl naphthalene sulfonate formaldehyde condensate, 0.75 part of polyacrylamide, 0.75 part of xanthan gum, three second
0.75 part of hydramine, surplus are water.
Preferably, the graphite is the crystalline graphite powder of 1100-1200 mesh.
Wherein, the additional amount of the water is 70-100 parts.
The method for preparing above-mentioned aqueous low temperature resistant graphitic lubricant, comprising the following steps: water, di(2-ethylhexyl)phosphate is added to reaction kettle
Hydrogen sodium, magnesium chloride and after stirring 35-40min, are added graphite, glyceryl monostearate, oxygen are added after being heated to 50-60 DEG C
Graphite alkene, 1h stop heating later, sequentially add sodium carboxymethylcellulose, sodium Diacetate, sodium benzoate, first after cooling
Base naphthalenesulfonic acid-formaldehyde condensate, polyacrylamide, xanthan gum and triethanolamine stir after 90min up to heretofore described
Aqueous graphite lubricating agent.
Aqueous low temperature resistant graphitic lubricant in the present invention is suitably applied rolling seamless steel pipe.
Compared to the prior art, the invention has the following advantages: selecting sodium Diacetate and sodium benzoate in the present invention
Compounding is used as preservative, and methyl naphthalene sulfonate formaldehyde condensate is as dispersing agent, and polyacrylamide and xanthan gum compounding are as increasing
Thick dose, suitable glyceryl monostearate and sodium carboxymethylcellulose is added as corrosion inhibiter in triethanolamine, can effectively enhance
The interface performance of graphene oxide improves the agglomeration of graphene oxide, so that graphene oxide uniformly divides in the lubricant
It dissipates and acts synergistically with graphite, the extreme pressure property P for the aqueous graphite lubricating agent being finally preparedBValue can reach 780N with
On, 950 DEG C of high temperature friction coefficient values be no more than 0.057,1050 DEG C of high temperature friction coefficient values be no more than 0.061,
1150 DEG C of high temperature friction coefficient value is no more than 0.068, i.e. aqueous graphite lubricating agent in the present invention has very excellent height
Warm coefficient of friction and anti-extreme pressure performance, are extremely suitble to the use in rolling seamless steel pipe.
Specific embodiment
Embodiment is given below so that the present invention to be specifically described, it is necessary to which indicated herein is following embodiment
It is used to further illustrate the present invention, should not be understood as limiting the scope of the invention, the ordinary skill in the field
Personnel still fall within protection scope of the present invention to some nonessential improvement of the invention made or adjustment according to this embodiment.
Embodiment 1
A kind of aqueous graphite lubricating agent, by weight, including following components: 30 parts of graphite, 5 parts of graphene oxide, stearic acid
3 parts of monoglyceride, 2 parts of sodium carboxymethylcellulose, 2 parts of sodium dihydrogen phosphate, 2 parts of magnesium chloride, 2 parts of sodium Diacetate, sodium benzoate 1
Part, 1 part of methyl naphthalene sulfonate formaldehyde condensate, 0.5 part of polyacrylamide, 0.5 part of xanthan gum, 0.5 part of triethanolamine, deionization
50 parts of water.
The preparation method of above-mentioned aqueous graphite lubricating agent is the following steps are included: be added deionized water, di(2-ethylhexyl)phosphate to reaction kettle
Hydrogen sodium, magnesium chloride and after stirring 35min, are added graphite, glyceryl monostearate, graphite oxide are added after being heated to 50 DEG C
Alkene, 1h stop heating later, sequentially add sodium carboxymethylcellulose, sodium Diacetate, sodium benzoate, methyl naphthalene sulphur after cooling
Sour sodium formaldehyde condensation product, polyacrylamide, xanthan gum and triethanolamine, stir 90min after to obtain the final product.
Obtained aqueous graphite lubricating agent is divided into two parts, portion obtains its extreme pressure property P by the experiment test of four ballsBValue
For 780N, another tests to obtain it in 950 DEG C of high temperature friction coefficient value to be 0.057, at 1050 DEG C by Means of Upsetting Ring
High temperature friction coefficient value be 0.061, be 0.068 in 1150 DEG C of high temperature friction coefficient values.
Embodiment 2
A kind of aqueous graphite lubricating agent, by weight, including following components: 50 parts of graphite, 8 parts of graphene oxide, stearic acid
4 parts of monoglyceride, 3 parts of sodium carboxymethylcellulose, 3 parts of sodium dihydrogen phosphate, 3 parts of magnesium chloride, 3 parts of sodium Diacetate, sodium benzoate 2
Part, 2 parts of methyl naphthalene sulfonate formaldehyde condensate, 1 part of polyacrylamide, 1 part of xanthan gum, 1 part of triethanolamine, deionized water 70
Part.
The preparation method of above-mentioned aqueous graphite lubricating agent is the following steps are included: be added deionized water, di(2-ethylhexyl)phosphate to reaction kettle
Hydrogen sodium, magnesium chloride and after stirring 40min, are added graphite, glyceryl monostearate, graphite oxide are added after being heated to 60 DEG C
Alkene, 1h stop heating later, sequentially add sodium carboxymethylcellulose, sodium Diacetate, sodium benzoate, methyl naphthalene sulphur after cooling
Sour sodium formaldehyde condensation product, polyacrylamide, xanthan gum and triethanolamine, stir 90min after to obtain the final product.
Obtained aqueous graphite lubricating agent is divided into two parts, portion obtains its extreme pressure property P by the experiment test of four ballsBValue
For 784N, another tests to obtain it in 950 DEG C of high temperature friction coefficient value to be 0.053, at 1050 DEG C by Means of Upsetting Ring
High temperature friction coefficient value be 0.058, be 0.066 in 1150 DEG C of high temperature friction coefficient values.
Embodiment 3
A kind of aqueous graphite lubricating agent, by weight, including following components: including following components: 40 parts of graphite, graphite oxide
6.5 parts of alkene, 3.5 parts of glyceryl monostearate, 2.5 parts of sodium carboxymethylcellulose, 2.5 parts of sodium dihydrogen phosphate, 2.5 parts of magnesium chloride,
2.5 parts of sodium Diacetate, 1.5 parts of sodium benzoate, 1.5 parts of methyl naphthalene sulfonate formaldehyde condensate, 0.75 part of polyacrylamide, xanthan
0.75 part of glue, 0.75 part of triethanolamine, 60 parts of deionized water.
The preparation method of above-mentioned aqueous graphite lubricating agent is the following steps are included: be added deionized water, di(2-ethylhexyl)phosphate to reaction kettle
Hydrogen sodium, magnesium chloride and after stirring 37min, are added graphite, glyceryl monostearate, graphite oxide are added after being heated to 55 DEG C
Alkene, 1h stop heating later, sequentially add sodium carboxymethylcellulose, sodium Diacetate, sodium benzoate, methyl naphthalene sulphur after cooling
Sour sodium formaldehyde condensation product, polyacrylamide, xanthan gum and triethanolamine, stir 90min after to obtain the final product.
Obtained aqueous graphite lubricating agent is divided into two parts, portion obtains its extreme pressure property P by the experiment test of four ballsBValue
For 791N, another tests to obtain it in 950 DEG C of high temperature friction coefficient value to be 0.048, at 1050 DEG C by Means of Upsetting Ring
High temperature friction coefficient value be 0.053, be 0.059 in 1150 DEG C of high temperature friction coefficient values.
Claims (6)
1. a kind of aqueous graphite lubricating agent, which is characterized in that by weight, including following components: 30-50 parts of graphite, oxidation
5-8 parts of graphene, 3-4 parts of glyceryl monostearate, 2-3 parts of sodium carboxymethylcellulose, 2-3 parts of sodium dihydrogen phosphate, magnesium chloride 2-3
Part, 2-3 parts of sodium Diacetate, 1-2 parts of sodium benzoate, 1-2 parts of methyl naphthalene sulfonate formaldehyde condensate, 0.5-1 parts of polyacrylamide,
0.5-1 parts of xanthan gum, 0.5-1 parts of triethanolamine, surplus are water.
2. aqueous graphite lubricating agent according to claim 1, which is characterized in that including following components: 40 parts of graphite, oxidation
6.5 parts of graphene, 3.5 parts of glyceryl monostearate, 2.5 parts of sodium carboxymethylcellulose, 2.5 parts of sodium dihydrogen phosphate, magnesium chloride 2.5
Part, 2.5 parts of sodium Diacetate, 1.5 parts of sodium benzoate, 1.5 parts of methyl naphthalene sulfonate formaldehyde condensate, 0.75 part of polyacrylamide,
0.75 part of xanthan gum, 0.75 part of triethanolamine, surplus are water.
3. aqueous graphite lubricating agent according to claim 1, which is characterized in that the graphite is the squama of 1100-1200 mesh
Piece graphite powder.
4. aqueous graphite lubricating agent according to claim 1, which is characterized in that the additional amount of the water is 70-100 parts.
5. prepare the described in any item aqueous low temperature resistant graphitic lubricants of claim 1-4 method, which is characterized in that including with
Lower step:
Water, sodium dihydrogen phosphate, magnesium chloride and after stirring 35-40min is added to reaction kettle, graphite, glyceryl monostearate is added,
Graphene oxide is added after being heated to 50-60 DEG C, 1h stops heating later, sequentially adds carboxymethyl cellulose after cooling
Plain sodium, sodium Diacetate, sodium benzoate, methyl naphthalene sulfonate formaldehyde condensate, polyacrylamide, xanthan gum and triethanolamine, are stirred
It mixes after 90min up to heretofore described aqueous graphite lubricating agent.
6. application of the described in any item aqueous low temperature resistant graphitic lubricants of claim 1-4 in rolling seamless steel pipe.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104498165A (en) * | 2014-11-28 | 2015-04-08 | 衡阳市金化科技有限公司 | Water-based graphite lubricant for hot-rolling seamless tube and preparation method for water-based graphite lubricant for hot-rolling seamless tube |
| CN107723067A (en) * | 2017-10-26 | 2018-02-23 | 湖南金化科技集团有限公司 | A kind of water-based low temperature resistant graphitic lubricant and its preparation method and application |
| CN108517244A (en) * | 2018-05-15 | 2018-09-11 | 郭健 | Environment-protection energy-saving lubricant oil of graphene-containing and preparation method thereof |
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- 2019-01-10 CN CN201910024360.8A patent/CN109852460A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104498165A (en) * | 2014-11-28 | 2015-04-08 | 衡阳市金化科技有限公司 | Water-based graphite lubricant for hot-rolling seamless tube and preparation method for water-based graphite lubricant for hot-rolling seamless tube |
| CN107723067A (en) * | 2017-10-26 | 2018-02-23 | 湖南金化科技集团有限公司 | A kind of water-based low temperature resistant graphitic lubricant and its preparation method and application |
| CN108517244A (en) * | 2018-05-15 | 2018-09-11 | 郭健 | Environment-protection energy-saving lubricant oil of graphene-containing and preparation method thereof |
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Address after: 421000 No. 15 Songfeng Road, Pine Economic Development Zone, Shigu District, Hengyang City, Hunan Province Applicant after: Hunan Jintai Environmental Protection Technology Co.,Ltd. Address before: 421000 No. 15 Songfeng Road, Pine Economic Development Zone, Shigu District, Hengyang City, Hunan Province Applicant before: HUNAN JINTAI INSPECTION AND TESTING Co.,Ltd. |
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