CN110713681A - Self-lubricating reinforced composite material and preparation method thereof - Google Patents
Self-lubricating reinforced composite material and preparation method thereof Download PDFInfo
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Abstract
The invention relates to the technical field of self-lubricating reinforced composite materials, in particular to a self-lubricating reinforced composite material, which comprises the following components: the adhesive comprises polytetrafluoroethylene, molybdenum disulfide, a graphite lubricant, talcum powder, chopped carbon fibers, a curing agent, other additives and deionized water, wherein the polytetrafluoroethylene, the molybdenum disulfide, the graphite lubricant, the talcum powder, the chopped carbon fibers, the curing agent, the other additives and the deionized water are respectively prepared from the following components in parts by weight: the material is prepared by designing and utilizing PTFE, molybdenum disulfide and graphite lubricant nano-scale lubricating filling materials according to a proportion in a high-pressure molten state, improves the self-lubricating property of the material by multi-blending on the basis of improving the integral lubricating system of the material, improves the friction property, the thermodynamic property and the durability of the material, has the characteristics of high mechanical strength and rigidity, fatigue resistance, organic solvent resistance and strong repeated impact resistance, and avoids the product quality problem caused by the uneven filling material.
Description
Technical Field
The invention relates to the technical field of self-lubricating reinforced composite materials, in particular to a self-lubricating reinforced composite material and a preparation method thereof.
Background
The self-lubricating functional composite material uses high polymer or metal as a matrix, the low friction characteristic of the self-lubricating functional composite material is provided by a solid lubricant component with a low friction coefficient, the common solid lubricant is a substance with a layered structure such as graphite, copper disulfide and the like, such as high polymer such as polytetrafluoroethylene, polyethylene and the like, soft metal such as silver, lead and the like and certain high temperature resistant fluoride, at present, pure polytetrafluoroethylene is an aggregate formed by a crystalline sheet and disordered amorphous ribbon crystals, the bonding force between the two phases is weak, and the ribbon structure is rapidly damaged due to the fact that PTFE is soft and low in strength and is easy to adhere in the friction process, so that the sheet between the two phases is separated, the wear resistance of the composite material is extremely poor, and the service life of a packaging pump is further reduced.
In summary, the present invention solves the existing problems by designing a self-lubricating reinforced composite material and a preparation method thereof.
Disclosure of Invention
The invention aims to provide a self-lubricating reinforced composite material and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a self-lubricating reinforced composite material comprising the following components: the adhesive comprises polytetrafluoroethylene, molybdenum disulfide, a graphite lubricant, talcum powder, chopped carbon fibers, a curing agent, other additives and deionized water, wherein the polytetrafluoroethylene, the molybdenum disulfide, the graphite lubricant, the talcum powder, the chopped carbon fibers, the curing agent, the other additives and the deionized water are respectively prepared from the following components in parts by weight: 40-45 parts of polytetrafluoroethylene, 10-15 parts of molybdenum disulfide, 10-15 parts of graphite lubricant, 12-16 parts of talcum powder, 11-14 parts of chopped carbon fiber, 15-18 parts of curing agent, 12-14 parts of other additives and 30-40 parts of deionized water.
Preferably, the polytetrafluoroethylene, the molybdenum disulfide, the graphite lubricant, the talcum powder and the chopped carbon fibers are all nano-scale lubricating filling materials.
Preferably, 4-4' diaminodiphenylmethane is adopted as the curing agent, and the other additives comprise a diluent and a plasticizer and are mixed according to a ratio of 1: 1.
Preferably, the polytetrafluoroethylene is modified polytetrafluoroethylene.
Preferably, the method comprises the following steps:
s1, selecting the following raw materials: tetrafluoroethylene, molybdenum disulfide, a graphite lubricant, talcum powder, chopped carbon fiber, a curing agent, other additives and deionized water;
s2, weighing the following components in parts by weight: 40-45 parts of polytetrafluoroethylene, 10-15 parts of molybdenum disulfide, 10-15 parts of graphite lubricant, 12-16 parts of talcum powder, 11-14 parts of chopped carbon fiber, 15-18 parts of curing agent, 12-14 parts of other additives and 30-40 parts of deionized water;
s3, preheating: sequentially adding 40-45 parts of weighed polytetrafluoroethylene, 10-15 parts of molybdenum disulfide, 10-15 parts of graphite lubricant, 12-16 parts of talcum powder, 11-14 parts of chopped carbon fiber and 30-40 parts of deionized water into a reaction kettle, starting a stirrer to uniformly stir in the reaction kettle in the adding process, heating the reaction kettle, and keeping the temperature for heating for 60-80 min;
s4, stopping heating after the heating treatment of the reaction kettle is finished, cooling the reaction kettle, sequentially adding 15-18 parts of curing agent and 12-14 parts of other additives into the reaction kettle at the temperature after cooling and after keeping the temperature, keeping the stirring speed of the stirring machine for stirring the reaction kettle at a constant speed, and continuously stirring for 60-80min to obtain viscous liquid of the mixture;
s5, preparing a finished product by a hand pasting and laminating method: and (4) putting the viscous liquid obtained in the step (S4) into a die, and performing flat rolling forming through a press roll to prepare the self-lubricating reinforced composite material.
Preferably, the reaction kettle in S3 is an industrial heating furnace integrated with stirring and heating, and the mold in S5 adopts a metal mold and is preheated to 200-210 ℃.
Preferably, the uniform speed of the stirrers in S3 and S4 is 400-500 rpm/min, the temperature in the heating treatment of the reaction kettle in S3 is 300-350 ℃, and the temperature in the cooling of the reaction kettle in S4 is 40-50 ℃.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, PTFE, molybdenum disulfide and graphite lubricant nano-scale lubricating filling materials are designed and utilized to be prepared according to proportion in a high-pressure melting state, the prepared material improves the self-lubricating property of the material by multi-component blending on the basis of improving the integral lubricating system of the material, improves the friction property, the thermodynamic property and the durability of the material, has the characteristics of high mechanical strength, rigidity, fatigue resistance, organic solvent resistance and strong repeated impact resistance, avoids the product quality problem caused by the non-uniform filling material, prepares a composite material by a hand pasting and laminating method and combining a certain high-temperature curing system, effectively prevents a PTFE matrix from forming a strip-shaped crystal structure in the crystallization process, enables PIFE crystals to form a continuous framework structure penetrating through the whole matrix, and hard Ekonol is uniformly distributed on the PTF crystals, and can effectively bear most external loads in the friction process, and the additive is not added with a lubricant, the banded damage of material crystals is prevented, the anti-adhesion capability of the material crystals is improved, so that the wear resistance of the composite material is greatly improved (the wear resistance is improved by more than two orders of magnitude compared with that of pure PIFE), and the synergistic antifriction effect of the nano filler is realized by the dispersion of the nano filler in PBAT.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
The invention provides a technical scheme that:
a self-lubricating reinforced composite material comprising the following components: the adhesive comprises polytetrafluoroethylene, molybdenum disulfide, a graphite lubricant, talcum powder, chopped carbon fibers, a curing agent, other additives and deionized water, wherein the polytetrafluoroethylene, the molybdenum disulfide, the graphite lubricant, the talcum powder, the chopped carbon fibers, the curing agent, the other additives and the deionized water are respectively prepared from the following components in parts by weight: 40-45 parts of polytetrafluoroethylene, 10-15 parts of molybdenum disulfide, 10-15 parts of graphite lubricant, 12-16 parts of talcum powder, 11-14 parts of chopped carbon fiber, 15-18 parts of curing agent, 12-14 parts of other additives and 30-40 parts of deionized water.
Example 1:
step 1, selecting materials and weighing according to parts by weight: 40 parts of polytetrafluoroethylene, 10 parts of molybdenum disulfide, 10 parts of graphite lubricant, 12 parts of talcum powder, 11 parts of chopped carbon fiber, 15 parts of curing agent, 12 parts of other additives and 30 parts of deionized water;
step 2, preheating treatment: sequentially adding 40 parts of weighed polytetrafluoroethylene, 10 parts of molybdenum disulfide, 10 parts of graphite lubricant, 12 parts of talcum powder, 11 parts of chopped carbon fiber and 30 parts of deionized water into a reaction kettle, starting a stirrer to uniformly stir the reaction kettle at a speed of 400-500 rpm/min and heat the reaction kettle in the adding process, and heating the reaction kettle to 300-350 ℃ and keeping the temperature for heating for 60-80 min;
step 3, after the heating treatment of the reaction kettle is finished, stopping heating, cooling the reaction kettle to 40-50 ℃, sequentially adding 15 parts of curing agent and 12 parts of other additives into the reaction kettle after cooling and maintaining the temperature after cooling, and keeping the stirring machine to stir the reaction kettle at a constant speed of 400-500 rpm/min and continuously stirring for 60-80min to obtain a viscous liquid of the mixture;
step 4, preparing a finished product by a hand lay-up lamination method: and (3) putting the viscous liquid obtained in the step (S4) into a die subjected to preheating treatment at the temperature of 200-210 ℃, and performing flat rolling forming through a compression roller to prepare the self-lubricating reinforced composite material.
Example 2:
step 1, selecting materials and weighing according to parts by weight: 43 parts of polytetrafluoroethylene, 12 parts of molybdenum disulfide, 13 parts of graphite lubricant, 14 parts of talcum powder, 11.5 parts of chopped carbon fiber, 16.5 parts of curing agent, 13 parts of other additives and 35 parts of deionized water;
step 2, preheating treatment: weighing 43 parts of polytetrafluoroethylene, 12 parts of molybdenum disulfide, 13 parts of graphite lubricant, 14 parts of talcum powder, 11.5 parts of chopped carbon fiber and 35 parts of deionized water; sequentially adding the components into a reaction kettle, starting a stirrer to uniformly stir the components in the reaction kettle at a speed of 400-500 rpm/min and heating the reaction kettle at the temperature of 300-350 ℃ for 60-80min in the adding process;
step 3, stopping heating after the heating treatment of the reaction kettle is finished, cooling the reaction kettle to 40-50 ℃, sequentially adding 16.5 parts of curing agent and 13 parts of other additives into the reaction kettle after cooling and maintaining the temperature after cooling, and maintaining the stirring speed of the stirrer at 400-500 rpm/min to stir the reaction kettle at a constant speed and continuously stir for 60-80min to obtain viscous liquid of the mixture;
step 4, preparing a finished product by a hand lay-up lamination method: and (3) putting the viscous liquid obtained in the step (S4) into a die subjected to preheating treatment at the temperature of 200-210 ℃, and performing flat rolling forming through a compression roller to prepare the self-lubricating reinforced composite material.
Example 3:
step 1, selecting materials and weighing according to parts by weight: 45 parts of polytetrafluoroethylene, 15 parts of molybdenum disulfide, 15 parts of graphite lubricant, 16 parts of talcum powder, 14 parts of chopped carbon fiber, 18 parts of curing agent, 14 parts of other additives and 40 parts of deionized water;
step 2, preheating treatment: sequentially adding 45 parts of weighed polytetrafluoroethylene, 15 parts of molybdenum disulfide, 15 parts of graphite lubricant, 16 parts of talcum powder, 14 parts of chopped carbon fiber and 40 parts of deionized water into a reaction kettle, starting a stirrer to uniformly stir the reaction kettle at a speed of 400-500 rpm/min and heat the reaction kettle in the adding process, and heating the reaction kettle to 300-350 ℃ and keeping the temperature for heating for 60-80 min;
step 3, after the heating treatment of the reaction kettle is finished, stopping heating, cooling the reaction kettle to 40-50 ℃, sequentially adding 18 parts of curing agent and 14 parts of other additives into the reaction kettle after cooling and maintaining the temperature after cooling, and maintaining a stirrer to stir the reaction kettle at a constant speed of 400-500 rpm/min and continuously stir for 60-80min to obtain a viscous liquid of the mixture;
step 4, preparing a finished product by a hand lay-up lamination method: and (3) putting the viscous liquid obtained in the step (S4) into a die subjected to preheating treatment at the temperature of 200-210 ℃, and performing flat rolling forming through a compression roller to prepare the self-lubricating reinforced composite material.
The self-lubricating reinforced composite material formed by matching the components in the embodiment 1, 2 and 3 is better in characteristics compared with the self-lubricating reinforced composite material obtained by matching the components in the embodiment 1 through experiments and tests.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A self-lubricating reinforced composite material, comprising the following components: the adhesive comprises polytetrafluoroethylene, molybdenum disulfide, a graphite lubricant, talcum powder, chopped carbon fibers, a curing agent, other additives and deionized water, wherein the polytetrafluoroethylene, the molybdenum disulfide, the graphite lubricant, the talcum powder, the chopped carbon fibers, the curing agent, the other additives and the deionized water are respectively prepared from the following components in parts by weight: 40-45 parts of polytetrafluoroethylene, 10-15 parts of molybdenum disulfide, 10-15 parts of graphite lubricant, 12-16 parts of talcum powder, 11-14 parts of chopped carbon fiber, 15-18 parts of curing agent, 12-14 parts of other additives and 30-40 parts of deionized water.
2. The self-lubricating reinforced composite material of claim 1, wherein the polytetrafluoroethylene, molybdenum disulfide, graphite lubricant, talc and chopped carbon fibers are nanoscale lubricating filler materials.
3. The self-lubricating reinforced composite material of claim 1, wherein the curing agent is 4-4' diaminodiphenylmethane and the other additives include diluent and plasticizer at a ratio of 1: 1.
4. The self-lubricating reinforced composite material and the preparation method thereof according to claim 1, wherein the polytetrafluoroethylene is modified polytetrafluoroethylene.
5. A method for preparing a self-lubricating reinforced composite material according to claim 1, characterized in that it comprises the following steps:
s1, selecting the following raw materials: tetrafluoroethylene, molybdenum disulfide, a graphite lubricant, talcum powder, chopped carbon fiber, a curing agent, other additives and deionized water;
s2, weighing the following components in parts by weight: 40-45 parts of polytetrafluoroethylene, 10-15 parts of molybdenum disulfide, 10-15 parts of graphite lubricant, 12-16 parts of talcum powder, 11-14 parts of chopped carbon fiber, 15-18 parts of curing agent, 12-14 parts of other additives and 30-40 parts of deionized water;
s3, preheating: sequentially adding 40-45 parts of weighed polytetrafluoroethylene, 10-15 parts of molybdenum disulfide, 10-15 parts of graphite lubricant, 12-16 parts of talcum powder, 11-14 parts of chopped carbon fiber and 30-40 parts of deionized water into a reaction kettle, starting a stirrer to uniformly stir in the reaction kettle in the adding process, heating the reaction kettle, and keeping the temperature for heating for 60-80 min;
s4, stopping heating after the heating treatment of the reaction kettle is finished, cooling the reaction kettle, sequentially adding 15-18 parts of curing agent and 12-14 parts of other additives into the reaction kettle at the temperature after cooling and after keeping the temperature, keeping the stirring speed of the stirring machine for stirring the reaction kettle at a constant speed, and continuously stirring for 60-80min to obtain viscous liquid of the mixture;
s5, preparing a finished product by a hand pasting and laminating method: and (4) putting the viscous liquid obtained in the step (S4) into a die, and performing flat rolling forming through a press roll to prepare the self-lubricating reinforced composite material.
6. The self-lubricating reinforced composite material and the preparation method thereof as claimed in claim 1, wherein the reaction kettle in S3 is an industrial heating furnace integrated with stirring and heating, and the mold in S5 is a metal mold and is preheated to 200 ℃ and 210 ℃.
7. The self-lubricating reinforced composite material and the preparation method thereof as claimed in claim 1, wherein the speed of the stirrer in S3 and S4 is 400-500 rpm/min, the temperature in the heating treatment of the reaction kettle in S3 is 300-350 ℃, and the temperature in the cooling treatment of the reaction kettle in S4 is 40-50 ℃.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409732A (en) * | 2020-11-18 | 2021-02-26 | 浙江晟祺实业有限公司 | Nano self-lubricating reinforced composite material and preparation process thereof |
| CN113024856A (en) * | 2021-03-15 | 2021-06-25 | 中国科学院兰州化学物理研究所 | Carbon fiber reinforced polyimide self-lubricating composite material and preparation method thereof |
| CN113427870A (en) * | 2021-05-08 | 2021-09-24 | 浙江长盛滑动轴承股份有限公司 | Homogeneous three-layer composite self-lubricating material suitable for high PV oil lubrication working condition and preparation method thereof |
| CN114085395A (en) * | 2021-12-30 | 2022-02-25 | 江苏沃荷乳胶科技股份有限公司 | Natural latex product vulcanization process without formaldehyde residue |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103467896A (en) * | 2013-09-18 | 2013-12-25 | 常德翔宇设备制造有限公司 | Manufacturing method of enhanced polytetrafluoroethylene for high-medium pressure valve sealing element |
| CN104893190A (en) * | 2015-01-06 | 2015-09-09 | 镇江润方密封件有限公司 | Polytetrafluoroethylene material and preparation method therefor |
| CN110079037A (en) * | 2019-04-26 | 2019-08-02 | 广东欧特派环保材料科技有限公司 | A kind of self-lubricating abrasion-resistant PTFE composite and preparation method thereof |
-
2019
- 2019-10-28 CN CN201911031320.2A patent/CN110713681A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103467896A (en) * | 2013-09-18 | 2013-12-25 | 常德翔宇设备制造有限公司 | Manufacturing method of enhanced polytetrafluoroethylene for high-medium pressure valve sealing element |
| CN104893190A (en) * | 2015-01-06 | 2015-09-09 | 镇江润方密封件有限公司 | Polytetrafluoroethylene material and preparation method therefor |
| CN110079037A (en) * | 2019-04-26 | 2019-08-02 | 广东欧特派环保材料科技有限公司 | A kind of self-lubricating abrasion-resistant PTFE composite and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 化学词典编委会: "《化学词典》", 30 September 1989, 上海辞书出版社 * |
| 周冀: "《高分子材料基础》", 31 July 2007, 国防工业出版社 * |
| 孔萍等: "《塑料材料》", 31 July 2017, 广东高等教育出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409732A (en) * | 2020-11-18 | 2021-02-26 | 浙江晟祺实业有限公司 | Nano self-lubricating reinforced composite material and preparation process thereof |
| CN113024856A (en) * | 2021-03-15 | 2021-06-25 | 中国科学院兰州化学物理研究所 | Carbon fiber reinforced polyimide self-lubricating composite material and preparation method thereof |
| CN113024856B (en) * | 2021-03-15 | 2022-03-01 | 中国科学院兰州化学物理研究所 | Carbon fiber reinforced polyimide self-lubricating composite material and preparation method thereof |
| CN113427870A (en) * | 2021-05-08 | 2021-09-24 | 浙江长盛滑动轴承股份有限公司 | Homogeneous three-layer composite self-lubricating material suitable for high PV oil lubrication working condition and preparation method thereof |
| CN114085395A (en) * | 2021-12-30 | 2022-02-25 | 江苏沃荷乳胶科技股份有限公司 | Natural latex product vulcanization process without formaldehyde residue |
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