CN103725069A - Solid self-lubricating coating and preparation method thereof - Google Patents
Solid self-lubricating coating and preparation method thereof Download PDFInfo
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- CN103725069A CN103725069A CN201410004377.4A CN201410004377A CN103725069A CN 103725069 A CN103725069 A CN 103725069A CN 201410004377 A CN201410004377 A CN 201410004377A CN 103725069 A CN103725069 A CN 103725069A
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- ball milling
- ptfe
- glass fibre
- self
- resin
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- 239000011248 coating agent Substances 0.000 title claims abstract description 15
- 238000000576 coating method Methods 0.000 title claims abstract description 15
- 239000007787 solid Substances 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims description 16
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 33
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 33
- 239000003365 glass fiber Substances 0.000 claims abstract description 27
- NEUVYZAJGQOMBU-WXXKFALUSA-N (e)-but-2-enedioic acid;phenol Chemical compound OC1=CC=CC=C1.OC1=CC=CC=C1.OC(=O)\C=C\C(O)=O NEUVYZAJGQOMBU-WXXKFALUSA-N 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000011347 resin Substances 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims abstract description 25
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 20
- 239000010439 graphite Substances 0.000 claims abstract description 20
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 19
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000498 ball milling Methods 0.000 claims description 32
- 238000005507 spraying Methods 0.000 claims description 32
- 239000007921 spray Substances 0.000 claims description 28
- 238000002156 mixing Methods 0.000 claims description 19
- 239000002002 slurry Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 12
- 239000000314 lubricant Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 4
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 2
- -1 Polytetrafluoroethylene Polymers 0.000 abstract description 5
- 239000004519 grease Substances 0.000 abstract description 3
- 239000010687 lubricating oil Substances 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 abstract 2
- IISBACLAFKSPIT-UHFFFAOYSA-N Bisphenol A Natural products C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Images
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- Lubricants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a solid self-lubricating coating. The solid self-lubricating coating comprises components in percentage by weight: 20%-35% of fumaric acid bisphenol A resin, 20%-35% of styrene, 0.1%-0.5% of dicumyl peroxide, 15%-30% of glass fibers, 15%-25% of PTFE (Polytetrafluoroethylene) and 1.5%-3.5% of graphite. According to the solid self-lubricating coating, the current situation in the prior art that a traditional lubricating manner including lubricating oil or grease and the like is used for lubricating is solved.
Description
Technical field
The present invention relates to frictional wear material technology field, relate in particular to a kind of properties of solid self-lubricant coating and preparation method thereof.
Background technology
Along with scientific and technological development, many harsh working conditions have surmounted the operating limit of lubricating oil or grease, and conventional lubrication mode is difficult to meet, and self-lubricating solid can address this problem well, and therefore, properties of solid self-lubricant coating becomes study hotspot in recent years.The present invention has researched and developed a kind of self-lubrication coating material with advantages such as frictional coefficient are little, wear resisting property is good.
Summary of the invention
The present invention proposes properties of solid self-lubricant coating that a kind of frictional coefficient is little, wear resisting property is good and preparation method thereof, has solved the present situation that relies on the conventional lubrication modes such as lubricating oil or grease to be lubricated in prior art.
Technical scheme of the present invention is achieved in that
A properties of solid self-lubricant coating, its component comprises that weight ratio is 20%～35% fumaric acid bisphenol a resin, 20%～35% vinylbenzene, 0.1%～0.5% dicumyl peroxide, 15%～30% glass fibre, 15%～25% PTFE and 1.5%～3.5% graphite.
Preferably, its component comprises that weight ratio is 27.7% fumaric acid bisphenol a resin, 27.7% vinylbenzene, 0.3% dicumyl peroxide, 22.2% glass fibre, 19.3% PTFE and 2.8% graphite.
Further, described glass fibre is the uniform strip particle of size distribution, and described PTFE is the uniform platy shaped particle of size distribution.
Further, the preparation method of described properties of solid self-lubricant coating comprises the following steps:
1) by described glass fibre, PTFE and graphite dry for standby;
2) described vinylbenzene, described fumaric acid bisphenol a resin and described dicumyl peroxide are mixed to rear ball milling, described fumaric acid bisphenol a resin is fully dissolved and obtain solution;
3) described glass fibre, described PTFE, the described graphite of drying gained are carried out to mixing and ball milling after mixing with described solution and obtain slurry;
4) described slurry is poured in spraying container and sprayed, obtain spraying sample;
5) described spraying sample is dried;
6) the described spraying sample after drying is solidified.
Further, described oven dry is to dry 10～14h at 70～90 ℃, described ball milling is ball milling 8～12min in ball grinder, described mixing and ball milling is ball milling 50～70min in ball grinder, described spraying is at room temperature, spray pressure is 0.7～0.8MPa, spray distance is 25～35cm, spray time is to carry out under the condition of 100～140s, described drying is to be 23～27 ℃ in temperature, humidity is to place 5～7h under 45～55% environment, described solidifying is at 102～110 ℃, to solidify 1.5～2.5h successively, 134～142 ℃ solidify 1.5～2.5h, 174～186 ℃ solidify 11～13h.
Preferably, described oven dry is to dry 12h at 80 ℃, described ball milling is ball milling 10min in ball grinder, described mixing and ball milling is ball milling 1h in ball grinder, and described spraying is at room temperature, and spray pressure is 0.75MPa, spray distance is 30cm, spray time is to carry out under the condition of 2min, described in to dry be to be to place 6h under 25 ℃, the humidity environment that is 50% in temperature, described solidifying is successively at 106 ℃ of curing 2h, 138 ℃ of curing 2h, 180 ℃ of curing 12h.
Described room temperature is 25 ℃, and described PTFE is tetrafluoroethylene.
Beneficial effect of the present invention is:
1, to adopt fumaric acid bisphenol a resin, vinylbenzene, dicumyl peroxide, glass fibre, PTFE and graphite be raw material in the present invention, have cost low, obtain feature easily.
2, the step that preparation method of the present invention adopts is oven dry, ball milling, mixing and ball milling, sprays, dries and solidify, all simple to operate and require lower to environment, plant and instrument.
3, its hardness of properties of solid self-lubricant coating that preparation method of the present invention makes is higher than 17HV, and frictional coefficient is less than 0.14.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is preparation technology's schema of self-lubricating coat in use of the present invention;
Fig. 2 is the SEM photo of properties of solid self-lubricant coating in the embodiment of the present invention 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
27.7% fumaric acid bisphenol a resin, 27.7% vinylbenzene, 0.3% dicumyl peroxide, 22.2% glass fibre, 19.3%PTFE and 2.8% graphite.
With reference to Fig. 1, preparation according to the following steps:
1) described glass fibre, PTFE and Graphite Powder 99 are dried at 80 ℃ to 12h standby;
2) described vinylbenzene, described fumaric acid bisphenol a resin and described dicumyl peroxide are mixed to rear ball milling 10min, described fumaric acid bisphenol a resin is fully dissolved and obtain solution;
3) by carrying out mixing and ball milling 60min after the described glass fibre of dry gained, described PTFE, described graphite and the mixing of described solution, obtain slurry;
4) described slurry is poured in spraying container, at room temperature, spray pressure is 0.75MPa, under the condition that spray distance is 30cm, sprays 2min, obtains spraying sample;
5) by described spraying sample, in temperature, be 25 ℃, under the environment that humidity is 50%, place 6h and dry;
6) by the described spraying sample after drying successively at 106 ℃ of curing 2h, 138 ℃ of curing 2h, 180 ℃ of curing 12h.
The prepared self-lubricating coat in use of the present embodiment is at frrction load 150N, and fraction time is under 1h, and hardness is 18.422HV, and frictional coefficient is 0.1328.
Embodiment 2
20% fumaric acid bisphenol a resin, 35% vinylbenzene, 0.5% dicumyl peroxide, 16% glass fibre, 25% polytetrafluoroethylene (PTFE) and 3.5% graphite.
With reference to Fig. 1, preparation according to the following steps:
1) described glass fibre, PTFE and Graphite Powder 99 are dried at 70 ℃ to 14h standby;
2) described vinylbenzene, described fumaric acid bisphenol a resin and described dicumyl peroxide are mixed to rear ball milling 8min, described fumaric acid bisphenol a resin is fully dissolved and obtain solution;
3) by carrying out mixing and ball milling 70min after the described glass fibre of dry gained, described PTFE, described graphite and the mixing of described solution, obtain slurry;
4) described slurry is poured in spraying container, at room temperature, spray pressure is 0.8MPa, under the condition that spray distance is 35cm, sprays 100s, obtains spraying sample;
5) by described spraying sample, in temperature, be 27 ℃, under the environment that humidity is 55%, place 5h and dry;
6) by the described spraying sample after drying successively at 102 ℃ of curing 2.5h, 134 ℃ of curing 2.5h, 174 ℃ of curing 13h.
The prepared self-lubricating coat in use of the present embodiment is at frrction load 150N, and fraction time is under 1h, and hardness is 18.422G/Pa, and frictional coefficient is 0.1328.
The prepared self-lubricating coat in use of the present embodiment is at frrction load 150N, and fraction time is under 1h, and hardness is 18.265HV, and frictional coefficient is 0.1385.
Embodiment 3
35% fumaric acid bisphenol a resin, 20% vinylbenzene, 0.1% dicumyl peroxide, 28.4% glass fibre, 15% polytetrafluoroethylene (PTFE) and 1.5% graphite.
With reference to Fig. 1, preparation according to the following steps:
1) described glass fibre, PTFE and Graphite Powder 99 are dried at 90 ℃ to 10h standby;
2) described vinylbenzene, described fumaric acid bisphenol a resin and described dicumyl peroxide are mixed to rear ball milling 12min, described fumaric acid bisphenol a resin is fully dissolved and obtain solution;
3) by carrying out mixing and ball milling 50min after the described glass fibre of dry gained, described PTFE, described graphite and the mixing of described solution, obtain slurry;
4) described slurry is poured in spraying container, at room temperature, spray pressure is 0.7MPa, under the condition that spray distance is 25cm, sprays 140s, obtains spraying sample;
5) by described spraying sample, in temperature, be 23 ℃, under the environment that humidity is 45%, place 7h and dry;
6) by the described spraying sample after drying successively at 110 ℃ of curing 1.5h, 142 ℃ of curing 1.5h, 186 ℃ of curing 11h.
The prepared self-lubricating coat in use of the present embodiment is at frrction load 150N, and fraction time is under 1h, and hardness is 17.362HV, and frictional coefficient is 0.1368.
Embodiment 4
33% fumaric acid bisphenol a resin, 26% vinylbenzene, 0.3% dicumyl peroxide, 15% glass fibre, 24% polytetrafluoroethylene (PTFE) and 1.7% graphite.
With reference to Fig. 1, preparation according to the following steps:
1) described glass fibre, PTFE and Graphite Powder 99 are dried at 75 ℃ to 13h standby;
2) described vinylbenzene, described fumaric acid bisphenol a resin and described dicumyl peroxide are mixed to rear ball milling 11min, described fumaric acid bisphenol a resin is fully dissolved and obtain solution;
3) by carrying out mixing and ball milling 55min after the described glass fibre of dry gained, described PTFE, described graphite and the mixing of described solution, obtain slurry;
4) described slurry is poured in spraying container, at room temperature, spray pressure is 0.72MPa, under the condition that spray distance is 27cm, sprays 130s, obtains spraying sample;
5) by described spraying sample, in temperature, be 24 ℃, under the environment that humidity is 47%, place 6.5h and dry;
6) by the described spraying sample after drying successively at 104 ℃ of curing 2.2h, 136 ℃ of curing 2.3h, 178 ℃ of curing 12.5h.
The prepared self-lubricating coat in use of the present embodiment is at frrction load 150N, and fraction time is under 1h, and hardness is 17.862HV, and frictional coefficient is 0.1393.
Embodiment 5
24% fumaric acid bisphenol a resin, 23% vinylbenzene, 0.2% dicumyl peroxide, 30% glass fibre, 19.6% polytetrafluoroethylene (PTFE) and 3.2% graphite.
With reference to Fig. 1, preparation according to the following steps:
1) described glass fibre, PTFE and Graphite Powder 99 are dried at 85 ℃ to 11h standby;
2) described vinylbenzene, described fumaric acid bisphenol a resin and described dicumyl peroxide are mixed to rear ball milling 9min, described fumaric acid bisphenol a resin is fully dissolved and obtain solution;
3) by carrying out mixing and ball milling 65min after the described glass fibre of dry gained, described PTFE, described graphite and the mixing of described solution, obtain slurry;
4) described slurry is poured in spraying container, at room temperature, spray pressure is 0.78MPa, under the condition that spray distance is 32cm, sprays 110s, obtains spraying sample;
5) by described spraying sample, in temperature, be 26 ℃, under the environment that humidity is 52%, place 5.5h and dry;
6) by the described spraying sample after drying successively at 108 ℃ of curing 1.7h, 140 ℃ of curing 1.8h, 184 ℃ of curing 11.5h.
The prepared self-lubricating coat in use of the present embodiment is at frrction load 150N, and fraction time is under 1h, and hardness is 18.862HV, and frictional coefficient is 0.1346.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a properties of solid self-lubricant coating, it is characterized in that, its component comprises that weight ratio is 20%～35% fumaric acid bisphenol a resin, 20%～35% vinylbenzene, 0.1%～0.5% dicumyl peroxide, 15%～30% glass fibre, 15%～25% PTFE and 1.5%～3.5% graphite.
2. self-lubricating coat in use as claimed in claim 1, it is characterized in that, its component comprises that weight ratio is 27.7% fumaric acid bisphenol a resin, 27.7% vinylbenzene, 0.3% dicumyl peroxide, 22.2% glass fibre, 19.3% PTFE and 2.8% graphite.
3. self-lubricating coat in use as claimed in claim 1 or 2, is characterized in that, described glass fibre is the uniform strip particle of size distribution, and described PTFE is the uniform platy shaped particle of size distribution.
4. the preparation method of properties of solid self-lubricant coating as claimed in claim 1, is characterized in that, comprises the following steps:
1) by described glass fibre, PTFE and graphite dry for standby;
2) described vinylbenzene, described fumaric acid bisphenol a resin and described dicumyl peroxide are mixed to rear ball milling, described fumaric acid bisphenol a resin is fully dissolved and obtain solution;
3) described glass fibre, described PTFE, the described graphite of drying gained are carried out to mixing and ball milling after mixing with described solution and obtain slurry;
4) described slurry is poured in spraying container and sprayed, obtain spraying sample;
5) described spraying sample is dried;
6) the described spraying sample after drying is solidified.
5. the preparation method of self-lubricating coat in use as claimed in claim 4, it is characterized in that, described oven dry is to dry 10～14h at 70～90 ℃, described ball milling is ball milling 8～12min in ball grinder, described mixing and ball milling is ball milling 50～70min in ball grinder, described spraying is at room temperature, spray pressure is 0.7～0.8MPa, spray distance is 25～35cm, spray time is to carry out under the condition of 100～140s, described drying is to be 23～27 ℃ in temperature, humidity is to place 5～7h under 45～55% environment, described solidifying is at 102～110 ℃, to solidify 1.5～2.5h successively, 134～142 ℃ solidify 1.5～2.5h, 174～186 ℃ solidify 11～13h.
6. the preparation method of self-lubricating coat in use as claimed in claim 5, it is characterized in that, described oven dry is to dry 12h at 80 ℃, described ball milling is ball milling 10min in ball grinder, described mixing and ball milling is ball milling 1h in ball grinder, described spraying is at room temperature, spray pressure is 0.75MPa, spray distance is 30cm, spray time is to carry out under the condition of 2min, described drying is to be to place 6h under 25 ℃, the humidity environment that is 50% in temperature, and described solidifying is successively at 106 ℃ of curing 2h, 138 ℃ of curing 2h, 180 ℃ of curing 12h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410004377.4A CN103725069B (en) | 2014-01-03 | 2014-01-03 | A kind of properties of solid self-lubricant coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410004377.4A CN103725069B (en) | 2014-01-03 | 2014-01-03 | A kind of properties of solid self-lubricant coating and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103725069A true CN103725069A (en) | 2014-04-16 |
| CN103725069B CN103725069B (en) | 2016-05-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353967A (en) * | 2017-06-30 | 2017-11-17 | 太仓宝达齿条有限公司 | A kind of rack surface self-lubricating coat in use |
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| CN102459544A (en) * | 2009-05-01 | 2012-05-16 | Akros株式会社 | Film composition for sliding member |
| JP2012111803A (en) * | 2010-11-19 | 2012-06-14 | Jx Nippon Oil & Energy Corp | Lubricating oil composition for sliding section including aluminum material and lubricating method |
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2014
- 2014-01-03 CN CN201410004377.4A patent/CN103725069B/en active Active
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| CN107353967A (en) * | 2017-06-30 | 2017-11-17 | 太仓宝达齿条有限公司 | A kind of rack surface self-lubricating coat in use |
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