Short carbon fiber-staple glass fiber hybrid reinforced rubber-based sealing composite material and preparation technique thereof
A technology of short glass fibers and reinforced rubber, which is applied in the field of reinforced rubber-based sealing composite materials and its preparation, and can solve the problems of incomplete satisfaction, no advantage in price, and low service temperature.
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Embodiment 1
[0046] NAFC material composition ratio 1 (as shown in the table below):
[0047] composition
Percent content / (wt)%
composition
Percent content / (wt)%
NBR-26
carbon fiber
glass fiber
meerschaum
sulfur
16
8
12
42.8
0.3
fill in
Material
calcium carbonate
Kaolin
white carbon black
Talc powder
ultrafine graphite
5.8
2.9
2.1
1.5
5
Accelerator TT
accelerator DM
stearic acid
Zinc oxide
0.1
0.2
0.15
0.4
Antiaging agent (4010NA)
Phenolic Resin
Hexamethylenetetramine
0.5
2
0.25
[0048] Main preparation process parameters:
[0049] Mixing time: 20min
[0050] Cutting knife speed: 3000r / min to 1200r / min
[0051] Stirring speed: 300r / min to 90r / min
[0052] Vulcanization temperature: 160°C
[0053] Vulcanization pressure: 16MPa ...
Embodiment 2
[0060] NAFC material composition ratio 2 (see table below):
[0061] composition
Percent content / (wt)%
composition
Percent content / (wt)%
NBR-26
natural rubber
carbon fiber
glass fiber
meerschaum
sulfur
10
8
12
10
35.9
0.4
fill in
Material
calcium carbonate
Kaolin
white carbon black
Talc powder
graphite
5.8
2.9
2.5
2.0
6.0
Accelerator TT
accelerator DM
stearic acid
Zinc oxide
0.15
0.25
0.2
0.5
Antiaging agent (4010NA)
Phenolic Resin
Hexamethylenetetramine
0.6
2.5
0.3
[0062] Main preparation process parameters:
[0063] Mixing time: 15min
[0064] Cutting knife speed: 3000r / min to 1200r / min
[0065] Stirring speed: 300r / min to 90r / min
[0066] Vulcaniza...
Embodiment 3
[0074] NAFC material composition ratio 3 (as shown in the table below):
[0075] composition
Percent content / (wt)%
composition
Percent content / (wt)%
NBR-26
carbon fiber
glass fiber
meerschaum
sulfur
13
5
15
48.8
0.2
fill in
Material
calcium carbonate
Kaolin
white carbon black
Talc powder
graphite
5.5
2.5
1.8
1.2
4.0
Accelerator TT
accelerator DM
stearic acid
Zinc oxide
0.1
0.1
0.1
0.3
Antiaging agent (4010NA)
Phenolic Resin
Hexamethylenetetramine
0.4
1.8
0.2
[0076] Main preparation process parameters:
[0077] Mixing time: 15min
[0078] Cutting knife speed: 3000r / min to 1500r / min
[0079] Stirring speed: 200r / min to 100r / min
[0080] Vulcanization temperature: 145°C
[0081] Vulcani...
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