CN105132089B - A kind of cup grease and preparation method thereof - Google Patents
A kind of cup grease and preparation method thereof Download PDFInfo
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- CN105132089B CN105132089B CN201510417146.0A CN201510417146A CN105132089B CN 105132089 B CN105132089 B CN 105132089B CN 201510417146 A CN201510417146 A CN 201510417146A CN 105132089 B CN105132089 B CN 105132089B
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Abstract
The invention discloses a kind of cup grease and preparation method thereof, the cup grease is to be composed of the following raw materials by weight：3 ~ 6 parts of aluminium hydroxide, 2 ~ 5 parts of magnesia, 15 ~ 25 parts of white oil, 5 ~ 8 parts of melamine, 4 ~ 8 parts of ethylene glycol ether acetate, 3 ~ 6 parts of pentaerythritol stearate, 8 ~ 12 parts of lanolin, 20 ~ 25 parts of 10 ~ 15 parts of ethylene glycol, 5 ~ 8 parts of superhigh molecular weight polyethylene fibers, 15 ~ 20 parts of silicone oil and modified polyacetal powder；The beneficial effects of the invention are as follows with high bearing capacity, low-friction coefficient, vibration resistance, impact resistance and permeability, antifriction performance is good, effectively apparatus can be prevented to be damaged, and there is excellent corrosion resistance, rustless property, substantial amounts of heat can be absorbed under the high temperature conditions, ensure equipment normal work under rugged environment.
Description
Technical field
The present invention relates to technical field of lubricant, and in particular to a kind of cup grease and preparation method thereof.
Background technology
Lubricant be for reducing frictional resistance, slowing down the lubricant medium of abrasion, and friction pair can also be played cooling,
Clean and prevent the effect of pollution.With the continuous development of mechanization degree, service life requirement of the people to machinery is increasingly
Height, in order to meet the miniaturization of mechanized equipment, long service life, people it is also proposed more to the frictional behaviour of cup grease and resistance to abrasion
High requirement.Current cup grease species is various, but some heat conductivilitys are poor, and some coefficient of friction are insufficient to low, and some is oozed
It is thoroughly indifferent, requirement of the people to cup grease can not be met simultaneously.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of cup grease and preparation method thereof.
The present invention to achieve the above object, is achieved through the following technical solutions：
A kind of cup grease, in parts by weight, consist of the following composition：3 ~ 6 parts of aluminium hydroxide, 2 ~ 5 parts of magnesia, white oil 15
~ 25 parts, 5 ~ 8 parts of melamine, 4 ~ 8 parts of ethylene glycol ether acetate, 3 ~ 6 parts of pentaerythritol stearate, 8 ~ 12 parts of lanolin,
20 ~ 25 parts of 10 ~ 15 parts of ethylene glycol, 5 ~ 8 parts of superhigh molecular weight polyethylene fibers, 15 ~ 20 parts of silicone oil and modified polyacetal powder；
The modified polyacetal powder obtains in accordance with the following methods：In parts by weight, by 100 parts of polyformaldehyde, the uncles of 2,6- bis-
0.05 ~ 0.08 part of butyl -4- methylphenols, 0.5 ~ 1 part of carbamylurea, 0.5 ~ 0.8 part of calcium carbonate, 5 ~ 10 parts of graphite and two sulphur
Change and mixed in 5 ~ 15 parts of addition high-speed mixers of molybdenum, then with vented twin-screw extruder in 100 ~ 150 revs/min of screw speed,
Melting mixing at 190 ~ 230 DEG C of barrel temperature, crushed with pulverizer after extruding pelletization, obtain the poly- first of modification that particle diameter is 1 ~ 5 μm
Aldehyde powder.
A kind of preferable cup grease, in parts by weight, is consisted of the following composition：5 parts of aluminium hydroxide, 3 parts of magnesia, white oil
20 parts, 6 parts of melamine, 5 parts of ethylene glycol ether acetate, 5 parts of pentaerythritol stearate, 10 parts of lanolin, ethylene glycol 12
22 parts of part, 5 parts of superhigh molecular weight polyethylene fibers, 18 parts of silicone oil and modified polyacetal powder；
The modified polyacetal powder obtains in accordance with the following methods：In parts by weight, by 100 parts of polyformaldehyde, the uncles of 2,6- bis-
10 parts of 0.06 part of butyl -4- methylphenols, 0.8 part of carbamylurea, 0.6 part of calcium carbonate, 8 parts of graphite and molybdenum disulfide add high
Mixed in fast mixer, then melted and mixed at 120 revs/min of screw speed, 200 DEG C of barrel temperature with vented twin-screw extruder
Refine, crushed after extruding pelletization with pulverizer, obtain the modified polyacetal powder that particle diameter is 3 μm.
Present invention additionally comprises the preparation method of cup grease, comprise the following steps：
1. the preparation of modified polyacetal powder：In parts by weight, by 100 parts of polyformaldehyde, 2,6- di-t-butyl -4- methylbenzenes
5 ~ 15 parts of 0.05 ~ 0.08 part of phenol, 0.5 ~ 1 part of carbamylurea, 0.5 ~ 0.8 part of calcium carbonate, 5 ~ 10 parts of graphite and molybdenum disulfide add
Enter in high-speed mixer and mix, then with vented twin-screw extruder in 100 ~ 150 revs/min of screw speed, barrel temperature 190 ~
Melting mixing at 230 DEG C, crushed with pulverizer after extruding pelletization, obtain the modified polyacetal powder that particle diameter is 1 ~ 5 μm；
2. the preparation of cup grease：In parts by weight, by 15 ~ 25 parts of white oil, 4 ~ 8 parts of ethylene glycol ether acetate, Ji Wusi
3 ~ 6 parts of alcohol stearate, 8 ~ 12 parts of lanolin, 10 ~ 15 parts of ethylene glycol, 5 ~ 8 parts of superhigh molecular weight polyethylene fibers, silicone oil 15 ~
20 parts and step are 1. in gained modified polyacetal 20 ~ 25 parts of addition reactors of powder, after being stirred 1 ~ 3 hour at 100 ~ 150 DEG C
25 ~ 35 DEG C are cooled to, 3 ~ 6 parts of aluminium hydroxide is added, 2 ~ 5 parts of magnesia, 5 ~ 8 parts of melamine, stirs, use colloid mill
Grinding, obtains the cup grease of 1 ~ 5 μm of average grain diameter.
A kind of preferable preparation method of cup grease, comprises the following steps：
1. the preparation of modified polyacetal powder：In parts by weight, by 100 parts of polyformaldehyde, 2,6- di-t-butyl -4- methylbenzenes
Mixed in 10 parts of 0.06 part of phenol, 0.8 part of carbamylurea, 0.6 part of calcium carbonate, 8 parts of graphite and molybdenum disulfide addition high-speed mixers
Close, then with vented twin-screw extruder at 120 revs/min of screw speed, 200 DEG C of barrel temperature melting mixing, extruding pelletization
Crushed afterwards with pulverizer, obtain the modified polyacetal powder that particle diameter is 3 μm；
2. the preparation of cup grease：In parts by weight, it is 20 parts of white oil, 5 parts of ethylene glycol ether acetate, pentaerythrite is stearic
1. gained changes for 5 parts of acid esters, 10 parts of lanolin, 12 parts of ethylene glycol, 5 parts of superhigh molecular weight polyethylene fibers, 18 parts of silicone oil and step
In property polyformaldehyde 22 parts of addition reactors of powder, 30 DEG C are cooled to after being stirred 2 hours at 120 DEG C, adds aluminium hydroxide 5
Part, 3 parts of magnesia, 6 parts of melamine, stir, ground with colloid mill, obtain the cup grease of 3 μm of average grain diameter.
The advantage of the invention is that：
The cup grease hardness of the present invention is moderate, has a high bearing capacity, low-friction coefficient, vibration resistance, impact resistance with
Permeability, antifriction performance is good, effectively apparatus can be prevented to be damaged, and has excellent corrosion resistance, rustless property, in high temperature bar
Substantial amounts of heat can be absorbed under part, ensures equipment normal work under rugged environment.
Embodiment
A kind of cup grease, in parts by weight, consist of the following composition：3 ~ 6 parts of aluminium hydroxide, 2 ~ 5 parts of magnesia, white oil 15
~ 25 parts, 5 ~ 8 parts of melamine, 4 ~ 8 parts of ethylene glycol ether acetate, 3 ~ 6 parts of pentaerythritol stearate, 8 ~ 12 parts of lanolin,
20 ~ 25 parts of 10 ~ 15 parts of ethylene glycol, 5 ~ 8 parts of superhigh molecular weight polyethylene fibers, 15 ~ 20 parts of silicone oil and modified polyacetal powder；
The modified polyacetal powder obtains in accordance with the following methods：In parts by weight, by 100 parts of polyformaldehyde, the uncles of 2,6- bis-
0.05 ~ 0.08 part of butyl -4- methylphenols, 0.5 ~ 1 part of carbamylurea, 0.5 ~ 0.8 part of calcium carbonate, 5 ~ 10 parts of graphite and two sulphur
Change and mixed in 5 ~ 15 parts of addition high-speed mixers of molybdenum, then with vented twin-screw extruder in 100 ~ 150 revs/min of screw speed,
Melting mixing at 190 ~ 230 DEG C of barrel temperature, crushed with pulverizer after extruding pelletization, obtain the poly- first of modification that particle diameter is 1 ~ 5 μm
Aldehyde powder.
A kind of preferable cup grease, in parts by weight, is consisted of the following composition：5 parts of aluminium hydroxide, 3 parts of magnesia, white oil
20 parts, 6 parts of melamine, 5 parts of ethylene glycol ether acetate, 5 parts of pentaerythritol stearate, 10 parts of lanolin, ethylene glycol 12
22 parts of part, 5 parts of superhigh molecular weight polyethylene fibers, 18 parts of silicone oil and modified polyacetal powder；
The modified polyacetal powder obtains in accordance with the following methods：In parts by weight, by 100 parts of polyformaldehyde, the uncles of 2,6- bis-
10 parts of 0.06 part of butyl -4- methylphenols, 0.8 part of carbamylurea, 0.6 part of calcium carbonate, 8 parts of graphite and molybdenum disulfide add high
Mixed in fast mixer, then melted and mixed at 120 revs/min of screw speed, 200 DEG C of barrel temperature with vented twin-screw extruder
Refine, crushed after extruding pelletization with pulverizer, obtain the modified polyacetal powder that particle diameter is 3 μm.
Present invention additionally comprises the preparation method of cup grease, comprise the following steps：
1. the preparation of modified polyacetal powder：In parts by weight, by 100 parts of polyformaldehyde, 2,6- di-t-butyl -4- methylbenzenes
5 ~ 15 parts of 0.05 ~ 0.08 part of phenol, 0.5 ~ 1 part of carbamylurea, 0.5 ~ 0.8 part of calcium carbonate, 5 ~ 10 parts of graphite and molybdenum disulfide add
Enter in high-speed mixer and mix, then with vented twin-screw extruder in 100 ~ 150 revs/min of screw speed, barrel temperature 190 ~
Melting mixing at 230 DEG C, crushed with pulverizer after extruding pelletization, obtain the modified polyacetal powder that particle diameter is 1 ~ 5 μm；
2. the preparation of cup grease：In parts by weight, by 15 ~ 25 parts of white oil, 4 ~ 8 parts of ethylene glycol ether acetate, Ji Wusi
3 ~ 6 parts of alcohol stearate, 8 ~ 12 parts of lanolin, 10 ~ 15 parts of ethylene glycol, 5 ~ 8 parts of superhigh molecular weight polyethylene fibers, silicone oil 15 ~
20 parts and step are 1. in gained modified polyacetal 20 ~ 25 parts of addition reactors of powder, after being stirred 1 ~ 3 hour at 100 ~ 150 DEG C
25 ~ 35 DEG C are cooled to, 3 ~ 6 parts of aluminium hydroxide is added, 2 ~ 5 parts of magnesia, 5 ~ 8 parts of melamine, stirs, use colloid mill
Grinding, obtains the cup grease of 1 ~ 5 μm of average grain diameter.
A kind of preferable preparation method of cup grease, comprises the following steps：
1. the preparation of modified polyacetal powder：In parts by weight, by 100 parts of polyformaldehyde, 2,6- di-t-butyl -4- methylbenzenes
Mixed in 10 parts of 0.06 part of phenol, 0.8 part of carbamylurea, 0.6 part of calcium carbonate, 8 parts of graphite and molybdenum disulfide addition high-speed mixers
Close, then with vented twin-screw extruder at 120 revs/min of screw speed, 200 DEG C of barrel temperature melting mixing, extruding pelletization
Crushed afterwards with pulverizer, obtain the modified polyacetal powder that particle diameter is 3 μm；
2. the preparation of cup grease：In parts by weight, it is 20 parts of white oil, 5 parts of ethylene glycol ether acetate, pentaerythrite is stearic
1. gained changes for 5 parts of acid esters, 10 parts of lanolin, 12 parts of ethylene glycol, 5 parts of superhigh molecular weight polyethylene fibers, 18 parts of silicone oil and step
In property polyformaldehyde 22 parts of addition reactors of powder, 30 DEG C are cooled to after being stirred 2 hours at 120 DEG C, adds aluminium hydroxide 5
Part, 3 parts of magnesia, 6 parts of melamine, stir, ground with colloid mill, obtain the cup grease of 3 μm of average grain diameter.
Embodiment 1
A kind of cup grease, in parts by weight, consist of the following composition：3 parts of aluminium hydroxide, 2 parts of magnesia, 15 parts of white oil,
5 parts of melamine, 4 parts of ethylene glycol ether acetate, 3 parts of pentaerythritol stearate, 8 parts of lanolin, 10 parts of ethylene glycol, superelevation
20 parts of 5 parts of molecular weight polyethylene fiber, 15 parts of silicone oil and modified polyacetal powder；
The modified polyacetal powder obtains in accordance with the following methods：In parts by weight, by 100 parts of polyformaldehyde, the uncles of 2,6- bis-
5 parts of 0.05 part of butyl -4- methylphenols, 0.5 part of carbamylurea, 0.5 part of calcium carbonate, 5 parts of graphite and molybdenum disulfide add high
Mixed in fast mixer, then melted and mixed at 100 revs/min of screw speed, 190 DEG C of barrel temperature with vented twin-screw extruder
Refine, crushed after extruding pelletization with pulverizer, obtain the modified polyacetal powder that particle diameter is 1 μm.
Embodiment 2
A kind of cup grease, in parts by weight, consist of the following composition：6 parts of aluminium hydroxide, 5 parts of magnesia, 25 parts of white oil,
8 parts of melamine, 8 parts of ethylene glycol ether acetate, 6 parts of pentaerythritol stearate, 12 parts of lanolin, 15 parts of ethylene glycol, surpass
25 parts of 8 parts of high molecular weight polyethylene fiber, 20 parts of silicone oil and modified polyacetal powder；
The modified polyacetal powder obtains in accordance with the following methods：In parts by weight, by 100 parts of polyformaldehyde, the uncles of 2,6- bis-
15 parts of 0.08 part of butyl -4- methylphenols, 1 part of carbamylurea, 0.8 part of calcium carbonate, 10 parts of graphite and molybdenum disulfide add high
Mixed in fast mixer, then melted and mixed at 150 revs/min of screw speed, 230 DEG C of barrel temperature with vented twin-screw extruder
Refine, crushed after extruding pelletization with pulverizer, obtain the modified polyacetal powder that particle diameter is 5 μm.
Embodiment 3
A kind of cup grease, in parts by weight, consist of the following composition：4 parts of aluminium hydroxide, 4 parts of magnesia, 20 parts of white oil,
6 parts of melamine, 6 parts of ethylene glycol ether acetate, 5 parts of pentaerythritol stearate, 9 parts of lanolin, 13 parts of ethylene glycol, superelevation
22 parts of 7 parts of molecular weight polyethylene fiber, 18 parts of silicone oil and modified polyacetal powder；
The modified polyacetal powder obtains in accordance with the following methods：In parts by weight, by 100 parts of polyformaldehyde, the uncles of 2,6- bis-
12 parts of 0.07 part of butyl -4- methylphenols, 0.6 part of carbamylurea, 0.7 part of calcium carbonate, 8 parts of graphite and molybdenum disulfide add high
Mixed in fast mixer, then melted and mixed at 120 revs/min of screw speed, 210 DEG C of barrel temperature with vented twin-screw extruder
Refine, crushed after extruding pelletization with pulverizer, obtain the modified polyacetal powder that particle diameter is 4 μm.
Embodiment 4
A kind of cup grease, in parts by weight, consist of the following composition：5 parts of aluminium hydroxide, 3 parts of magnesia, 20 parts of white oil,
6 parts of melamine, 5 parts of ethylene glycol ether acetate, 5 parts of pentaerythritol stearate, 10 parts of lanolin, 12 parts of ethylene glycol, surpass
22 parts of 5 parts of high molecular weight polyethylene fiber, 18 parts of silicone oil and modified polyacetal powder；
The modified polyacetal powder obtains in accordance with the following methods：In parts by weight, by 100 parts of polyformaldehyde, the uncles of 2,6- bis-
10 parts of 0.06 part of butyl -4- methylphenols, 0.8 part of carbamylurea, 0.6 part of calcium carbonate, 8 parts of graphite and molybdenum disulfide add high
Mixed in fast mixer, then melted and mixed at 120 revs/min of screw speed, 200 DEG C of barrel temperature with vented twin-screw extruder
Refine, crushed after extruding pelletization with pulverizer, obtain the modified polyacetal powder that particle diameter is 3 μm.
Embodiment 5
The preparation method of the cup grease of component, comprises the following steps described in embodiment 1：
1. the preparation of modified polyacetal powder：In parts by weight, by 100 parts of polyformaldehyde, 2,6- di-t-butyl -4- methylbenzenes
Mixed in 5 parts of 0.05 part of phenol, 0.5 part of carbamylurea, 0.5 part of calcium carbonate, 5 parts of graphite and molybdenum disulfide addition high-speed mixers
Close, then with vented twin-screw extruder at 100 revs/min of screw speed, 190 DEG C of barrel temperature melting mixing, extruding pelletization
Crushed afterwards with pulverizer, obtain the modified polyacetal powder that particle diameter is 1 μm；
2. the preparation of cup grease：In parts by weight, it is 15 parts of white oil, 4 parts of ethylene glycol ether acetate, pentaerythrite is stearic
1. gained is modified for 3 parts of acid esters, 8 parts of lanolin, 10 parts of ethylene glycol, 5 parts of superhigh molecular weight polyethylene fibers, 15 parts of silicone oil and step
In 20 parts of addition reactors of polyformaldehyde powder, 25 DEG C are cooled to after being stirred 1 hour at 100 DEG C, adds 3 parts of aluminium hydroxide,
2 parts of magnesia, 5 parts of melamine, stirs, is ground with colloid mill, obtains the cup grease of 1 μm of average grain diameter.
Embodiment 6
The preparation method of the cup grease of component, comprises the following steps described in embodiment 2：
1. the preparation of modified polyacetal powder：In parts by weight, by 100 parts of polyformaldehyde, 2,6- di-t-butyl -4- methylbenzenes
Mixed in 15 parts of 0.08 part of phenol, 1 part of carbamylurea, 0.8 part of calcium carbonate, 10 parts of graphite and molybdenum disulfide addition high-speed mixers
Close, then with vented twin-screw extruder at 150 revs/min of screw speed, 230 DEG C of barrel temperature melting mixing, extruding pelletization
Crushed afterwards with pulverizer, obtain the modified polyacetal powder that particle diameter is 5 μm；
2. the preparation of cup grease：In parts by weight, it is 25 parts of white oil, 8 parts of ethylene glycol ether acetate, pentaerythrite is stearic
1. gained changes for 6 parts of acid esters, 12 parts of lanolin, 15 parts of ethylene glycol, 8 parts of superhigh molecular weight polyethylene fibers, 20 parts of silicone oil and step
In property polyformaldehyde 25 parts of addition reactors of powder, 35 DEG C are cooled to after being stirred 3 hours at 150 DEG C, adds aluminium hydroxide 6
Part, 5 parts of magnesia, 8 parts of melamine, stir, ground with colloid mill, obtain the cup grease of 5 μm of average grain diameter.
Embodiment 7
The preparation method of the cup grease of component, comprises the following steps described in embodiment 3：
1. the preparation of modified polyacetal powder：In parts by weight, by 100 parts of polyformaldehyde, 2,6- di-t-butyl -4- methylbenzenes
Mixed in 12 parts of 0.07 part of phenol, 0.6 part of carbamylurea, 0.7 part of calcium carbonate, 8 parts of graphite and molybdenum disulfide addition high-speed mixers
Close, then with vented twin-screw extruder at 120 revs/min of screw speed, 210 DEG C of barrel temperature melting mixing, extruding pelletization
Crushed afterwards with pulverizer, obtain the modified polyacetal powder that particle diameter is 4 μm；
2. the preparation of cup grease：In parts by weight, 20 parts of white oil, 6 parts of ethylene glycol ether acetate, pentaerythrite stearic acid
1. gained is modified poly- for 5 parts of ester, 9 parts of lanolin, 13 parts of ethylene glycol, 7 parts of superhigh molecular weight polyethylene fibers, 18 parts of silicone oil and step
In 22 parts of addition reactors of formaldehyde powder, 28 DEG C are cooled to after being stirred 2 hours at 120 DEG C, adds 4 parts of aluminium hydroxide, oxygen
Change 4 parts of magnesium, 6 parts of melamine, stir, ground with colloid mill, obtain the cup grease of 4 μm of average grain diameter
Embodiment 8
The preparation method of the cup grease of component, comprises the following steps described in embodiment 4：
1. the preparation of modified polyacetal powder：In parts by weight, by 100 parts of polyformaldehyde, 2,6- di-t-butyl -4- methylbenzenes
Mixed in 10 parts of 0.06 part of phenol, 0.8 part of carbamylurea, 0.6 part of calcium carbonate, 8 parts of graphite and molybdenum disulfide addition high-speed mixers
Close, then with vented twin-screw extruder at 120 revs/min of screw speed, 200 DEG C of barrel temperature melting mixing, extruding pelletization
Crushed afterwards with pulverizer, obtain the modified polyacetal powder that particle diameter is 3 μm；
2. the preparation of cup grease：In parts by weight, it is 20 parts of white oil, 5 parts of ethylene glycol ether acetate, pentaerythrite is stearic
1. gained changes for 5 parts of acid esters, 10 parts of lanolin, 12 parts of ethylene glycol, 5 parts of superhigh molecular weight polyethylene fibers, 18 parts of silicone oil and step
In property polyformaldehyde 22 parts of addition reactors of powder, 30 DEG C are cooled to after being stirred 2 hours at 120 DEG C, adds aluminium hydroxide 5
Part, 3 parts of magnesia, 6 parts of melamine, stir, ground with colloid mill, obtain the cup grease of 3 μm of average grain diameter.
The main performance detection data of the gained cup grease of the embodiment of the present invention 1 ~ 4 are as shown in table 1.
The main performance detection data of the gained cup grease of 1 embodiment of table 1 ~ 4
Claims (3)
- A kind of 1. cup grease, it is characterised in that：In parts by weight, consist of the following composition：3 ~ 6 parts of aluminium hydroxide, magnesia 2 ~ 5 Part, 15 ~ 25 parts of white oil, 5 ~ 8 parts of melamine, 4 ~ 8 parts of ethylene glycol ether acetate, 3 ~ 6 parts of pentaerythritol stearate, wool 8 ~ 12 parts of fat, 10 ~ 15 parts of ethylene glycol, 5 ~ 8 parts of superhigh molecular weight polyethylene fibers, 15 ~ 20 parts of silicone oil and modified polyacetal powder 20 ~ 25 parts；The preparation method of the cup grease comprises the following steps：1. the preparation of modified polyacetal powder：In parts by weight, by 100 parts of polyformaldehyde, 2,6- di-tert-butyl-4-methy phenols 5 ~ 15 parts of 0.05 ~ 0.08 part, 0.5 ~ 1 part of carbamylurea, 0.5 ~ 0.8 part of calcium carbonate, 5 ~ 10 parts of graphite and molybdenum disulfide add Mixed in high-speed mixer, then with vented twin-screw extruder in 100 ~ 150 revs/min of screw speed, barrel temperature 190 ~ 230 Melting mixing at DEG C, crushed with pulverizer after extruding pelletization, obtain the modified polyacetal powder that particle diameter is 1 ~ 5 μm；2. the preparation of cup grease：In parts by weight, by 15 ~ 25 parts of white oil, 4 ~ 8 parts of ethylene glycol ether acetate, pentaerythrite is hard 3 ~ 6 parts of resin acid ester, 8 ~ 12 parts of lanolin, 10 ~ 15 parts of ethylene glycol, 5 ~ 8 parts of superhigh molecular weight polyethylene fibers, 15 ~ 20 parts of silicone oil In step 1. gained modified polyacetal 20 ~ 25 parts of addition reactors of powder, cooled down after being stirred 1 ~ 3 hour at 100 ~ 150 DEG C To 25 ~ 35 DEG C, 3 ~ 6 parts of aluminium hydroxide is added, 2 ~ 5 parts of magnesia, 5 ~ 8 parts of melamine, is stirred, with colloid barreling Mill, obtains the cup grease of 1 ~ 5 μm of average grain diameter.
- A kind of 2. cup grease according to claim 1, it is characterised in that：In parts by weight, consist of the following composition：Hydrogen-oxygen Change 5 parts of aluminium, 3 parts of magnesia, 20 parts of white oil, 6 parts of melamine, 5 parts of ethylene glycol ether acetate, pentaerythritol stearate 5 Part, 10 parts of lanolin, 12 parts of ethylene glycol, 5 parts of superhigh molecular weight polyethylene fibers, 18 parts of silicone oil and modified polyacetal powder 22 Part；The modified polyacetal powder obtains in accordance with the following methods：In parts by weight, by 100 parts of polyformaldehyde, 2,6- di-t-butyls- 10 parts of 0.06 part of 4- methylphenols, 0.8 part of carbamylurea, 0.6 part of calcium carbonate, 8 parts of graphite and molybdenum disulfide add mixed at a high speed Mixed in conjunction machine, then with vented twin-screw extruder at 120 revs/min of screw speed, 200 DEG C of barrel temperature melting mixing, Crushed after extruding pelletization with pulverizer, obtain the modified polyacetal powder that particle diameter is 3 μm.
- 3. cup grease according to claim 1, it is characterised in that：Preparation method comprises the following steps：1. the preparation of modified polyacetal powder：In parts by weight, by 100 parts of polyformaldehyde, 2,6- di-tert-butyl-4-methy phenols 0.06 part, 0.8 part of carbamylurea, 0.6 part of calcium carbonate, mix in 10 parts of addition high-speed mixers of 8 parts of graphite and molybdenum disulfide, Vented twin-screw extruder melting mixing at 120 revs/min of screw speed, 200 DEG C of barrel temperature is used again, is used after extruding pelletization Pulverizer crushes, and obtains the modified polyacetal powder that particle diameter is 3 μm；2. the preparation of cup grease：In parts by weight, by 20 parts of white oil, 5 parts of ethylene glycol ether acetate, pentaerythritol stearate 5 parts, 10 parts of lanolin, 12 parts of ethylene glycol, 5 parts of superhigh molecular weight polyethylene fibers, 1. gained is modified poly- for 18 parts of silicone oil and step In 22 parts of addition reactors of formaldehyde powder, 30 DEG C are cooled to after being stirred 2 hours at 120 DEG C, adds 5 parts of aluminium hydroxide, oxygen Change 3 parts of magnesium, 6 parts of melamine, stir, ground with colloid mill, obtain the cup grease of 3 μm of average grain diameter.
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| CN108300547A (en) * | 2018-02-10 | 2018-07-20 | 陈毅忠 | A kind of preparation method of modified expanded graphite plant base cup grease |
| CN112780697A (en) * | 2021-01-13 | 2021-05-11 | 浙江德福精密驱动制造有限公司 | Three-pin shaft assembly with composite roller structure |
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| CN1978523A (en) * | 2005-11-30 | 2007-06-13 | 中国科学院兰州化学物理研究所 | Modified polyacetal self-lubricating composite material, and its preparing method |
| CN102329678B (en) * | 2011-08-29 | 2013-05-22 | 宝鸡铠丰科技发展有限公司 | Wear-resisting protective factice for rail wheeltrack |
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