CN104532583A - Ceramic fiber lubricating grease - Google Patents
Ceramic fiber lubricating grease Download PDFInfo
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- CN104532583A CN104532583A CN201410797129.XA CN201410797129A CN104532583A CN 104532583 A CN104532583 A CN 104532583A CN 201410797129 A CN201410797129 A CN 201410797129A CN 104532583 A CN104532583 A CN 104532583A
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- lubricating grease
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Abstract
The invention provides ceramic fiber lubricating grease which comprises 50wt%-80wt% of a lubricant, 10wt%-40wt% of a softening agent and 0wt%-30wt% of kerosene. The ceramic fiber lubricating grease provided by the invention is prepared by mixing the lubricant, the softening agent and the kerosene, wherein the preparation process is simple, the lubricant is mainly used for softening fibers and also partially used for lubricating the fibers; the softening agent is a water-soluble lubricant which is used for lubricating and needling fibers, and can also be used for improving the water solubility of the novel lubricating grease system. The lubricant, the softening agent and the kerosene act with one another, so that the ignition point of the ceramic fiber lubricating grease can be lowered. Moreover, the ceramic fiber lubricating grease provided by the invention is easy to atomize, and relatively uniform to apply while being applied to a ceramic fiber needled felt.
Description
Technical field
The invention belongs to field of material technology, be specifically related to a kind of ceramic fibre lubricating grease.
Background technology
Ceramic fibre is by a kind of Ultralight obtained after ceramic-material fiber, flexibility, low heat conduction, resistant to elevated temperatures fibrous material, is widely used in the fields such as Industrial Stoves, metallurgy, petrochemical industry.Ceramic fibre acupuncture is become blanket goods, is prepared into ceramic fiber blanket, expanded the Application Areas of ceramic fibre, improve its result of use.Although ceramic fibre belongs to flexible ceramic material, but the intrinsic fragility of pottery makes it be subject to the effect of mechanical impact force when acupuncture, still there will be the problems such as fracture, pulverizing, thus in the production process of ceramic fibre needle punched blanket, technological lubrication lipoprotein solution need be applied, thus further softening fibre, reduce the friction between pricker and fiber, reach reduction dust, realize better acupuncture effect.After acupuncture completes, by lubricating grease burn off, guarantee the smokeless when applied at elevated temperature.This just requires the lubricating grease of ceramic fibre to have softening fibre, reduces friction, is easy to apply, be easy to the characteristics such as burn off.
At present, the lubricating grease that ceramic fibre production field uses mostly is blocks of solid paraffin etc., need use kerosene heating for dissolving during use, then pour in 70 DEG C of water, be made into required lubricating grease emulsion, process for preparation is loaded down with trivial details, and lubricant effect and water-soluble poor, burning-point is higher.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of ceramic fibre lubricating grease, and ceramic fibre lubricating grease layoutprocedure provided by the present invention is simple, and have good lubricant effect and water-soluble, burning-point is low.
The invention provides a kind of ceramic fibre lubricating grease, comprising:
The lubricant of 50wt% ~ 80wt%;
The softener of 10wt% ~ 40wt%;
The kerosene of 0wt% ~ 30wt%.
Preferably, described lubricant is one or more in polyethylene glycol-200, PEG-4000 and polythene wax emulsion.
Preferably, described softener is one or both in alkyl aminothio acetate and primary octadecylamine acetate.
Preferably, the lubricant of 60wt% ~ 70wt% is comprised.
Preferably, the softener of 20wt% ~ 30wt% is comprised.
Preferably, the kerosene of 10wt% ~ 20wt% is comprised.
Preferably, the lubricant of 80wt%, the softener of 10wt%, the kerosene of 10wt% is comprised.
Preferably, the lubricant of 70wt%, the softener of 30wt% is comprised.
Preferably, the lubricant of 50wt%, the softener of 20wt%, the kerosene of 30wt% is comprised.
Preferably, the lubricant of 60%, the softener of 20wt%, the kerosene of 20wt% is comprised.
Compared with prior art, the invention provides a kind of ceramic fibre lubricating grease, comprising: the lubricant of 50wt% ~ 80wt%; The softener of 10wt% ~ 40wt%; The kerosene of 0wt% ~ 30wt%.As long as the mixing of lubricant, softener and kerosene can obtain by ceramic fibre lubricating grease provided by the present invention, process for preparation is simple, and wherein, lubricant mainly plays flexible fibre, and part plays fibre lubrication simultaneously; Softener is soluble oil, not only plays the effect of lubricant fiber and pricker, can improve the water-soluble of this novel lubricating resin system simultaneously.By the interaction of lubricant, softener and kerosene, the burning-point of the ceramic fibre lubricating grease obtained can be reduced.Further, ceramic fibre lubricating grease provided by the present invention is easy to atomization, when putting on ceramic fibre needle punched blanket, applies more even.
Result shows, ceramic fibre lubricating grease provided by the present invention can dissolve completely within 5 minutes.When described ceramic fibre lubricating grease is applied on ceramic fibre, good through needing machine acupuncture effect.When production thickness is the ceramic fiber blanket of 20mm, described ceramic fibre lubricating grease burn off temperature is 400-600 DEG C, and when production thickness is the ceramic fiber blanket of 30mm, described ceramic fibre lubricating grease burn off temperature is 450-650 DEG C.
Detailed description of the invention
The invention provides a kind of ceramic fibre lubricating grease, comprising:
The lubricant of 50wt% ~ 80wt%;
The softener of 10wt% ~ 40wt%;
The kerosene of 0wt% ~ 30wt%.
Ceramic fibre lubricating grease provided by the invention comprises the lubricant of 50wt% ~ 80wt%, wherein, described lubricant is one or more in polyethylene glycol-200, PEG-4000 and polythene wax emulsion, be preferably polyethylene glycol-200 or PEG-4000, be more preferably polyethylene glycol-200.Described ceramic fibre lubricating grease preferably includes the lubricant of 60wt% ~ 70wt%, and in one embodiment, the weight ratio of described lubricant in described ceramic fibre lubricating grease is 70wt%.In the present invention, described lubricant is soluble oil, not only plays the effect of lubricant fiber and pricker, can improve the water-soluble of this novel lubricating resin system simultaneously, make lubricating grease system better water-soluble.
Described ceramic fibre lubricating grease also comprises the softener of 10wt% ~ 40wt%, wherein, described softener is one or both in alkyl aminothio acetate and primary octadecylamine acetate, and in one embodiment, described softener is alkyl aminothio acetate; In another embodiment, described softener is primary octadecylamine acetate.The content of described softener is preferably 20wt% ~ 30wt%.In the present invention, the effect of described softener is mainly flexible fibre, and part plays fibre lubrication simultaneously.
Ceramic fibre lubricating grease of the present invention also comprises the kerosene of 0wt% ~ 30wt%, in the layoutprocedure of ceramic fibre lubricating grease, can not add kerosene, also can add kerosene.Wherein, in one embodiment of the invention, the ceramic fibre lubricating grease of preparation does not add kerosene; In another embodiment of the present invention, described kerosene addition is 10wt%; In another embodiment of the present invention, described kerosene addition is 20wt%; In another embodiment of the present invention, described kerosene addition is 30wt%.
Lubricant, softener and kerosene are mixed, ceramic fibre lubricating grease can be obtained.In one embodiment of the invention, described ceramic fibre lubricating grease comprises lubricant, the softener of 10wt%, the kerosene of 10wt% of 80wt%; In another embodiment of the present invention, described ceramic fibre lubricating grease comprises the lubricant of 70wt%, the softener of 30wt%; In another embodiment of the present invention, described ceramic fibre lubricating grease comprises lubricant, the softener of 20wt%, the kerosene of 30wt% of 50wt%; In another embodiment of the present invention, described ceramic fibre lubricating grease comprises lubricant, the softener of 20wt%, the kerosene of 20wt% of 60%.
As long as the mixing of lubricant, softener and kerosene can obtain by ceramic fibre lubricating grease provided by the present invention, process for preparation is simple, and wherein, lubricant mainly plays flexible fibre, and part plays fibre lubrication simultaneously; Softener is soluble oil, not only plays the effect of lubricant fiber and pricker, can improve the water-soluble of this novel lubricating resin system simultaneously.By the interaction of lubricant, softener and kerosene, the burning-point of the ceramic fibre lubricating grease obtained can be reduced.Further, ceramic fibre lubricating grease provided by the present invention is easy to atomization, when putting on ceramic fibre needle punched blanket, applies more even.
Result shows, ceramic fibre lubricating grease provided by the present invention can dissolve completely within 5 minutes.When described ceramic fibre lubricating grease is applied on ceramic fibre, good through needing machine acupuncture effect.When production thickness is the ceramic fiber blanket of 20mm, described ceramic fibre lubricating grease burn off temperature is 400-600 DEG C, and when production thickness is the ceramic fiber blanket of 30mm, described ceramic fibre lubricating grease burn off temperature is 450-650 DEG C.
In order to understand the present invention further, be described ceramic fibre lubricating grease provided by the invention below in conjunction with embodiment, protection scope of the present invention is not limited by the following examples.
Embodiment 1
Ceramic fibre lubricating grease is filled a prescription:
PEG-200 800g，
Primary octadecylamine acetate 100g,
Kerosene 100g.
The PEG-200 of above-mentioned weight, primary octadecylamine acetate and kerosene are mixed, obtains ceramic fibre lubricating grease.
Described ceramic fibre lubricating grease is heated to 70-90 DEG C, be poured into more than 70 DEG C hot water are housed bucket in, stir and be made into the lubricating grease solution that concentration is 1wt%, by entering measuring pump after metre filter, control lubrication solution is delivered to end mist of oil device with the flow of 100L/h, form the mist of oil of continuous uniform and be deposited on ceramic fibre surface.
By the following method the performance of ceramic fibre lubricating grease is measured, concrete outcome in table 1, the results of property of the ceramic fibre lubricating grease that table 1 provides for embodiment 1 ~ 6 and comparative example 1 ~ 2.
(1) water-soluble
The ceramic fibre lubricating grease that measuring embodiment 1 provides dissolves the required time completely in the hot water of 70 DEG C.
(2) lubricant effect
After ceramic fibre lubricating grease embodiment 1 provided puts on ceramic fibre surface, through needing machine acupuncture, measure the lubricant effect of ceramic fibre lubricating grease.
(3) burning-point
Producing thickness is the ceramic fiber blanket of 20mm, measures the burn off temperature preparing ceramic fibre lubricating grease described in ceramic fiber blanket process.
Embodiment 2
Ceramic fibre lubricating grease is filled a prescription:
PEG-200 700g，
Alkyl aminothio acetate 300g.
By above-mentioned PEG-200 and the mixing of alkyl aminothio acetate, obtain ceramic fibre lubricating grease.
Described ceramic fibre lubricating grease is heated to 70-90 DEG C, be poured into more than 70 DEG C hot water are housed bucket in, stir and be made into the lubricating grease solution that concentration is 1wt%, by entering measuring pump after metre filter, control lubrication solution is delivered to end mist of oil device with the flow of 100L/h, form the mist of oil of continuous uniform and be deposited on ceramic fibre surface.
By the following method the performance of ceramic fibre lubricating grease is measured, concrete outcome in table 1, the results of property of the ceramic fibre lubricating grease that table 1 provides for embodiment 1 ~ 6 and comparative example 1 ~ 2.
(1) water-soluble
The ceramic fibre lubricating grease that measuring embodiment 2 provides dissolves the required time completely in the hot water of 70 DEG C.
(2) lubricant effect
After ceramic fibre lubricating grease embodiment 2 provided puts on ceramic fibre surface, through needing machine acupuncture, measure the lubricant effect of ceramic fibre lubricating grease.
(3) burning-point
Producing thickness is the ceramic fiber blanket of 20mm, measures the burn off temperature preparing ceramic fibre lubricating grease described in ceramic fiber blanket process.
Embodiment 3
Ceramic fibre lubricating grease is filled a prescription:
PEG-400 500g，
Alkyl aminothio acetate 200g,
Kerosene 300g.
Above-mentioned PEG-400, alkyl aminothio acetate and kerosene are mixed, obtains ceramic fibre lubricating grease.
Described ceramic fibre lubricating grease is heated to 70-90 DEG C, be poured into more than 70 DEG C hot water are housed bucket in, stir and be made into the lubricating grease solution that concentration is 1wt%, by entering measuring pump after metre filter, control lubrication solution is delivered to end mist of oil device with the flow of 100L/h, form the mist of oil of continuous uniform and be deposited on ceramic fibre surface.
By the following method the performance of ceramic fibre lubricating grease is measured, concrete outcome in table 1, the results of property of the ceramic fibre lubricating grease that table 1 provides for embodiment 1 ~ 6 and comparative example 1 ~ 2.
(1) water-soluble
The ceramic fibre lubricating grease that measuring embodiment 3 provides dissolves the required time completely in the hot water of 70 DEG C.
(2) lubricant effect
After ceramic fibre lubricating grease embodiment 3 provided puts on ceramic fibre surface, through needing machine acupuncture, measure the lubricant effect of ceramic fibre lubricating grease.
(3) burning-point
Producing thickness is the ceramic fiber blanket of 20mm, measures the burn off temperature preparing ceramic fibre lubricating grease described in ceramic fiber blanket process.
Embodiment 4
Ceramic fibre lubricating grease is filled a prescription:
PEG-400 800g，
Primary octadecylamine acetate 200g.
By above-mentioned PEG-400 and the mixing of primary octadecylamine acetate, obtain ceramic fibre lubricating grease.
Described ceramic fibre lubricating grease is heated to 70-90 DEG C, be poured into more than 70 DEG C hot water are housed bucket in, stir and be made into the lubricating grease solution that concentration is 1wt%, by entering measuring pump after metre filter, control lubrication solution is delivered to end mist of oil device with the flow of 100L/h, form the mist of oil of continuous uniform and be deposited on ceramic fibre surface.
By the following method the performance of ceramic fibre lubricating grease is measured, concrete outcome in table 1, the results of property of the ceramic fibre lubricating grease that table 1 provides for embodiment 1 ~ 6 and comparative example 1 ~ 2.
(1) water-soluble
The ceramic fibre lubricating grease that measuring embodiment 4 provides dissolves the required time completely in the hot water of 70 DEG C.
(2) lubricant effect
After ceramic fibre lubricating grease embodiment 4 provided puts on ceramic fibre surface, through needing machine acupuncture, measure the lubricant effect of ceramic fibre lubricating grease.
(3) burning-point
Producing thickness is the ceramic fiber blanket of 50mm, measures the burn off temperature preparing ceramic fibre lubricating grease described in ceramic fiber blanket process.
Embodiment 5
Ceramic fibre lubricating grease is filled a prescription:
PEG-400 600g, primary octadecylamine acetate 200g, kerosene 200g.
Above-mentioned PEG-400, primary octadecylamine acetate and kerosene are mixed, obtains ceramic fibre lubricating grease.
Described ceramic fibre lubricating grease is heated to 70-90 DEG C, be poured into more than 70 DEG C hot water are housed bucket in, stir and be made into the lubricating grease solution that concentration is 1wt%, by entering measuring pump after metre filter, control lubrication solution is delivered to end mist of oil device with the flow of 100L/h, form the mist of oil of continuous uniform and be deposited on ceramic fibre surface.
By the following method the performance of ceramic fibre lubricating grease is measured, concrete outcome in table 1, the results of property of the ceramic fibre lubricating grease that table 1 provides for embodiment 1 ~ 6 and comparative example 1 ~ 2.
(1) water-soluble
The ceramic fibre lubricating grease that measuring embodiment 5 provides dissolves the required time completely in the hot water of 70 DEG C.
(2) lubricant effect
After ceramic fibre lubricating grease embodiment 5 provided puts on ceramic fibre surface, through needing machine acupuncture, measure the lubricant effect of ceramic fibre lubricating grease.
(3) burning-point
Producing thickness is the ceramic fiber blanket of 50mm, measures the burn off temperature preparing ceramic fibre lubricating grease described in ceramic fiber blanket process.
Embodiment 6
Ceramic fibre lubricating grease is filled a prescription:
PEG-200600g, primary octadecylamine acetate 400g.
By above-mentioned PEG-200 and the mixing of primary octadecylamine acetate, obtain ceramic fibre lubricating grease.
Described ceramic fibre lubricating grease is heated to 70-90 DEG C, be poured into more than 70 DEG C hot water are housed bucket in, stir and be made into the lubricating grease solution that concentration is 1wt%, by entering measuring pump after metre filter, control lubrication solution is delivered to end mist of oil device with the flow of 100L/h, form the mist of oil of continuous uniform and be deposited on ceramic fibre surface.
By the following method the performance of ceramic fibre lubricating grease is measured, concrete outcome in table 1, the results of property of the ceramic fibre lubricating grease that table 1 provides for embodiment 1 ~ 6 and comparative example 1 ~ 2.
(1) water-soluble
The ceramic fibre lubricating grease that measuring embodiment 6 provides dissolves the required time completely in the hot water of 70 DEG C.
(2) lubricant effect
After ceramic fibre lubricating grease embodiment 6 provided puts on ceramic fibre surface, through needing machine acupuncture, measure the lubricant effect of ceramic fibre lubricating grease.
(3) burning-point
Producing thickness is the ceramic fiber blanket of 50mm, measures the burn off temperature preparing ceramic fibre lubricating grease described in ceramic fiber blanket process.
Comparative example 1
Solid paraffin 500g, kerosene 1000g.
By solid paraffin and kerosene mixing, obtain ceramic fibre lubricating grease.
Described ceramic fibre lubricating grease is heated to 80 DEG C, be poured into more than 70 DEG C hot water are housed bucket in, stir and be made into the lubricating grease solution that concentration is 1wt%.
By the following method the performance of ceramic fibre lubricating grease is measured, concrete outcome in table 1, the results of property of the ceramic fibre lubricating grease that table 1 provides for embodiment 1 ~ 6 and comparative example 1 ~ 2.
(1) water-soluble
The ceramic fibre lubricating grease that measuring comparative example 1 provides dissolves the required time completely in the hot water of 70 DEG C.
(2) lubricant effect
After ceramic fibre lubricating grease comparative example 1 provided puts on ceramic fibre surface, through needing machine acupuncture, measure the lubricant effect of ceramic fibre lubricating grease.
(3) burning-point
Producing thickness is the ceramic fiber blanket of 20mm, measures the burn off temperature preparing ceramic fibre lubricating grease described in ceramic fiber blanket process.
Comparative example 2
Atoleine 800g, kerosene 800g.
By solid paraffin and kerosene mixing, obtain ceramic fibre lubricating grease.
Described ceramic fibre lubricating grease is heated to 80 DEG C, be poured into more than 70 DEG C hot water are housed bucket in, stir and be made into the lubricating grease solution that concentration is 2wt%.
By the following method the performance of ceramic fibre lubricating grease is measured, concrete outcome in table 1, the results of property of the ceramic fibre lubricating grease that table 1 provides for embodiment 1 ~ 6 and comparative example 1 ~ 2.
(1) water-soluble
The ceramic fibre lubricating grease that measuring comparative example 2 provides dissolves the required time completely in the hot water of 70 DEG C.
(2) lubricant effect
After ceramic fibre lubricating grease comparative example 2 provided puts on ceramic fibre surface, through needing machine acupuncture, measure the lubricant effect of ceramic fibre lubricating grease.
(3) burning-point
Producing thickness is the ceramic fiber blanket of 50mm, measures the burn off temperature preparing ceramic fibre lubricating grease described in ceramic fiber blanket process.
The results of property of the ceramic fibre lubricating grease that table 1 embodiment 1 ~ 6 and comparative example 1 ~ 2 provide
| Water-soluble/min | Lubricant effect | Burning-point/DEG C | |
| Embodiment 1 | 15 | Well | 240 |
| Embodiment 2 | 12 | Well | 235 |
| Embodiment 3 | 10 | Well | 240 |
| Embodiment 4 | 10 | Well | 235 |
| Embodiment 5 | 10 | Well | 230 |
| Embodiment 6 | 10 | Well | 230 |
| Comparative example 1 | 90 | Difference | 295 |
| Comparative example 2 | 60 | Difference | 340 |
Result shows, as long as the mixing of lubricant, softener and kerosene can obtain by ceramic fibre lubricating grease provided by the present invention, process for preparation is simple, and the ceramic fibre lubricating grease prepared has good lubricant effect and water-soluble preferably, and burning-point is low.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a ceramic fibre lubricating grease, is characterized in that, comprising:
The lubricant of 50wt% ~ 80wt%;
The softener of 10wt% ~ 40wt%;
The kerosene of 0wt% ~ 30wt%.
2. ceramic fibre lubricating grease according to claim 1, is characterized in that, described lubricant is one or more in polyethylene glycol-200, PEG-4000 and polythene wax emulsion.
3. ceramic fibre lubricating grease according to claim 1, is characterized in that, described softener is one or both in alkyl aminothio acetate and primary octadecylamine acetate.
4. ceramic fibre lubricating grease according to claim 1, is characterized in that, comprises the lubricant of 60wt% ~ 70wt%.
5. ceramic fibre lubricating grease according to claim 1, is characterized in that, comprises the softener of 20wt% ~ 30wt%.
6. ceramic fibre lubricating grease according to claim 1, is characterized in that, comprises the kerosene of 10wt% ~ 20wt%.
7. ceramic fibre lubricating grease according to claim 1, is characterized in that, comprises the lubricant of 80wt%, the softener of 10wt%, the kerosene of 10wt%.
8. ceramic fibre lubricating grease according to claim 1, is characterized in that, comprises the lubricant of 70wt%, the softener of 30wt%.
9. ceramic fibre lubricating grease according to claim 1, is characterized in that, comprises the lubricant of 50wt%, the softener of 20wt%, the kerosene of 30wt%.
10. ceramic fibre lubricating grease according to claim 1, is characterized in that, comprises the lubricant of 60%, the softener of 20wt%, the kerosene of 20wt%.
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| CN201410797129.XA CN104532583B (en) | 2014-12-19 | 2014-12-19 | Ceramic fiber lubricating grease |
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| CN201410797129.XA CN104532583B (en) | 2014-12-19 | 2014-12-19 | Ceramic fiber lubricating grease |
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| CN104532583A true CN104532583A (en) | 2015-04-22 |
| CN104532583B CN104532583B (en) | 2017-01-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108103780A (en) * | 2017-12-19 | 2018-06-01 | 江苏新瑞贝科技股份有限公司 | Lubricant and preparation method thereof in a kind of bath |
| CN109457386A (en) * | 2018-12-29 | 2019-03-12 | 山东鲁阳节能材料股份有限公司 | A kind of Ceramic Fiber Integral Module and preparation method thereof |
| CN115595195A (en) * | 2021-07-07 | 2023-01-13 | 山东鲁阳节能材料股份有限公司（Cn） | Ceramic fiber lubricating grease and preparation method thereof |
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| CN1105717A (en) * | 1993-10-29 | 1995-07-26 | 刘学锋 | Ceramic fibre compound textile fabrics and preparing method thereof |
| CN1151457A (en) * | 1995-11-30 | 1997-06-11 | 沈定卢 | Textile warm protecting material and mfg. method thereof |
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2014
- 2014-12-19 CN CN201410797129.XA patent/CN104532583B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105717A (en) * | 1993-10-29 | 1995-07-26 | 刘学锋 | Ceramic fibre compound textile fabrics and preparing method thereof |
| CN1151457A (en) * | 1995-11-30 | 1997-06-11 | 沈定卢 | Textile warm protecting material and mfg. method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108103780A (en) * | 2017-12-19 | 2018-06-01 | 江苏新瑞贝科技股份有限公司 | Lubricant and preparation method thereof in a kind of bath |
| CN109457386A (en) * | 2018-12-29 | 2019-03-12 | 山东鲁阳节能材料股份有限公司 | A kind of Ceramic Fiber Integral Module and preparation method thereof |
| CN115595195A (en) * | 2021-07-07 | 2023-01-13 | 山东鲁阳节能材料股份有限公司（Cn） | Ceramic fiber lubricating grease and preparation method thereof |
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| CN104532583B (en) | 2017-01-25 |
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Address after: 256199 Shandong city of Zibo province Yiyuan County Yi River Road No. 11 Patentee after: LUYANG ENERGY-SAVING MATERIALS CO., LTD. Address before: 256120 Shandong city of Zibo province Yiyuan County Yi River Road No. 11 Patentee before: Luyang Co., Ltd., Shandong |