Summary of the invention
One of the object of the invention is to overcome the deficiency that exists in the prior art, and a kind of wear-resisting effective, ultra wear-resisting rubber cover that is used for conveying belt that can increase the service life is provided.
Another object of the present invention provides the above-mentioned preparation method who is used for the ultra wear-resisting rubber cover of conveying belt.
According to technical scheme provided by the invention, the said ultra wear-resisting rubber cover that is used for conveying belt comprises each component of following weight part:
Tree elastomer is 10 ~ 50 weight parts, and cis-1,4-polybutadiene rubber is 50 ~ 90 weight parts, and sulphur is 0.5 ~ 2.5 weight part, and zinc oxide is 3 ~ 8 weight parts; Anti-aging agent RD is 1 ~ 4 weight part, and antioxidant 4010NA is 1 ~ 4 weight part, and accelerator NS is 1 ~ 3 weight part, and altax is 1 ~ 3 weight part; White carbon black is 10 ~ 30 weight parts, and coupling agent Si-69 is 1 ~ 3 weight part, and carbon black N330 is 10 ~ 30 weight parts; Triple Pressed Stearic Acid is 1 ~ 4 weight part, and coumarone is 1 ~ 5 weight part, and aromatic hydrocarbon oil is 5 ~ 10 weight parts.
The above-mentioned preparation method who is used for the ultra wear-resisting rubber cover of conveying belt comprises the steps:
One section mixing: the cis-1,4-polybutadiene rubber of 10 ~ 50 parts by weight of natural rubber, 50 ~ 90 weight parts is added in the Banbury mixer; In Banbury mixer, drop into the Triple Pressed Stearic Acid of 1 ~ 4 weight part, the hard(carbon)black N330 of 10 ~ 30 weight parts, the white carbon black of 10 ~ 30 weight parts, the coupling agent Si-69 of 1 ~ 3 weight part, the coumarone of 1 ~ 5 weight part and the aromatic hydrocarbon oil of 5 ~ 10 weight parts again; The lid floating weight carries out banburying; Binder removal when banburying rises to 110 ~ 130 ℃ to the mixture temperature obtains one section rubber unvulcanizate;
Two-stage mixing: one section rubber unvulcanizate is cooled to the room temperature continued and puts in the Banbury mixer; In Banbury mixer, add the sulphur of 0.5 ~ 2.5 weight part, the zinc oxide of 3 ~ 8 weight parts, the anti-aging agent RD of 1 ~ 4 weight part, the antioxidant 4010NA of 1 ~ 4 weight part, the accelerator NS of 1 ~ 3 weight part and the altax of 1 ~ 3 weight part again; The lid floating weight carries out banburying; Binder removal when banburying rises to 90 ~ 100 ℃ to the mixture temperature obtains two-stage mixing glue;
Heat refining: two-stage mixing glue is carried out heat refining in mill, the temperature of mill is controlled at 60 ~ 80 ℃, and soak time is 3 ~ 5 minutes, obtains gum stock;
Rolling press preheating: the calendar rolls temperature of four-roll calender is carried out preheating; The top roll preheating temperature of four-roll calender is controlled at 70 ~ 90 ℃; Two central roll preheating temperatures of four-roll calender are controlled at 50 ~ 70 ℃, and the lower roll preheating temperature of four-roll calender is controlled at 40 ~ 50 ℃;
Rolling out film: after the calendar rolls preheating of four-roll calender was good, gum stock was sent into and is carried out the slice operation in the four-roll calender, and the film of rolling out film is the ultra wear-resisting rubber cover finished product that is used for conveying belt.
Its preparation method of the present invention is simple, and the wear-resistant conveyor belt rubber cover of preparation can make the wear resisting property of conveying belt increase substantially, and also can significantly prolong than duck conveyor belt work-ing life.
Embodiment
Below in conjunction with specific embodiment the present invention is described further.
Raw material described in following examples is market and buys.Wherein, Zinc oxide is available from the emerging inferior novel material in Shandong limited-liability company, Triple Pressed Stearic Acid available from Shanghai good in oil chemistry industry, anti-aging agent RD and antioxidant 4010NA are available from Nanjing Chemical Industry Company; The N330 carbon black is available from the black cat carbon black limited-liability company in Jiangxi; Coumarone is available from Yantai Heng Mao chemical industry ltd, and sulphur flies to reach the chemical plant available from Jiangyin, and WHITE CARBON BLACK really becomes chemistry of silicones ltd available from the Wuxi; Aromatic hydrocarbon oil is available from CPC Corporation, Taiwan, and accelerator NS and altax are available from Dan County Hue worker ltd still.
Embodiment 1
Be ready to prepare each the required component of ultra wear-resisting rubber cover that is used for conveying belt: tree elastomer is 3000 grams, and cis-1,4-polybutadiene rubber is 7000 grams, and sulphur is 200 grams, and zinc oxide is 500 grams; Anti-aging agent RD is 100 grams, and antioxidant 4010NA is 100 grams, and accelerator NS is 100 grams, and altax is 100 grams; White carbon black is 3000 grams, and coupling agent Si-69 is 100 grams, and carbon black N330 is 3000 grams; Triple Pressed Stearic Acid is 100 grams, and coumarone is 500 grams, and aromatic hydrocarbon oil is 700 grams.
The preparation method who is used for the ultra wear-resisting rubber cover of conveying belt comprises the steps:
One section mixing: the tree elastomer of 3000 grams, the cis-1,4-polybutadiene rubber of 7000 grams are added in the Banbury mixer; In Banbury mixer, drop into the Triple Pressed Stearic Acid of 100 grams, the carbon black N330 of 3000 grams, the white carbon black of 3000 grams, the coupling agent Si-69 of 100 grams, the coumarone of 500 grams and the aromatic hydrocarbon oil of 500 grams again; The lid floating weight carries out banburying; Binder removal when banburying rises to 110 ~ 130 ℃ to the mixture temperature obtains one section rubber unvulcanizate;
Two-stage mixing: one section rubber unvulcanizate is cooled to the room temperature continued and puts in the Banbury mixer; In Banbury mixer, add the sulphur of 200 grams, the zinc oxide of 500 grams, the anti-aging agent RD of 100 grams, the antioxidant 4010NA of 100 grams, the accelerator NS of 100 grams and the altax of 100 grams again; The lid floating weight carries out banburying; Binder removal when banburying rises to 90 ~ 100 ℃ to the mixture temperature obtains two-stage mixing glue;
Heat refining: two-stage mixing glue is carried out heat refining in mill, the temperature of mill is controlled at 60 ~ 80 ℃, and soak time is 3 ~ 5 minutes, obtains gum stock;
Rolling press preheating: the calendar rolls temperature of four-roll calender is carried out preheating; The top roll preheating temperature of four-roll calender is controlled at 70 ~ 90 ℃; Two central roll preheating temperatures of four-roll calender are controlled at 50 ~ 70 ℃, and the lower roll preheating temperature of four-roll calender is controlled at 40 ~ 50 ℃;
Rolling out film: after the calendar rolls preheating of four-roll calender was good, gum stock was sent into and is carried out the slice operation in the four-roll calender, and the film of rolling out film is the ultra wear-resisting rubber cover finished product that is used for conveying belt.
The ultra wear-resisting rubber cover that is used for conveying belt that embodiment 1 prepares, its performance perameter is seen table 1.
Table 1
Sizing material |
Hardness Shao Shi A |
100% tensile modulus MPa |
300% tensile modulus MPa |
Tensile strength at yield MPa |
Tensile yield % |
Tension set % |
Abrasion mm3 |
B5518 |
58 |
1.25 |
3.5 |
18.5 |
680 |
25 |
30 |
Embodiment 2
Be ready to prepare each the required component of ultra wear-resisting rubber cover that is used for conveying belt: tree elastomer is 1000 grams, and cis-1,4-polybutadiene rubber is 9000 grams, and sulphur is 50 grams, and zinc oxide is 800 grams; Anti-aging agent RD is 400 grams, and antioxidant 4010NA is 400 grams, and accelerator NS is 300 grams, and altax is 300 grams; White carbon black is 1000 grams, and coupling agent Si-69 is 300 grams, and carbon black N330 is 1000 grams; Triple Pressed Stearic Acid is 400 grams, and coumarone is 100 grams, and aromatic hydrocarbon oil is 500 grams.
The preparation method who is used for the ultra wear-resisting rubber cover of conveying belt comprises the steps:
One section mixing: the tree elastomer of 1000 grams, the cis-1,4-polybutadiene rubber of 9000 grams are added in the Banbury mixer; In Banbury mixer, drop into the Triple Pressed Stearic Acid of 400 grams, the carbon black N330 of 1000 grams, the white carbon black of 1000 grams, the coupling agent Si-69 of 300 grams, the coumarone of 100 grams and the aromatic hydrocarbon oil of 500 grams again; The lid floating weight carries out banburying; Binder removal when banburying rises to 110 ~ 130 ℃ to the mixture temperature obtains one section rubber unvulcanizate;
Two-stage mixing: one section rubber unvulcanizate is cooled to the room temperature continued and puts in the Banbury mixer; In Banbury mixer, add the sulphur of 50 grams, the zinc oxide of 800 grams, the anti-aging agent RD of 400 grams, the antioxidant 4010NA of 400 grams, the accelerator NS of 300 grams and the altax of 300 grams again; The lid floating weight carries out banburying; Binder removal when banburying rises to 90 ~ 100 ℃ to the mixture temperature obtains two-stage mixing glue;
Heat refining: two-stage mixing glue is carried out heat refining in mill, the temperature of mill is controlled at 60 ~ 80 ℃, and soak time is 3 ~ 5 minutes, obtains gum stock;
Rolling press preheating: the calendar rolls temperature of four-roll calender is carried out preheating; The top roll preheating temperature of four-roll calender is controlled at 70 ~ 90 ℃; Two central roll preheating temperatures of four-roll calender are controlled at 50 ~ 70 ℃, and the lower roll preheating temperature of four-roll calender is controlled at 40 ~ 50 ℃;
Rolling out film: after the calendar rolls preheating of four-roll calender was good, gum stock was sent into and is carried out the slice operation in the four-roll calender, and the film of rolling out film is the ultra wear-resisting rubber cover finished product that is used for conveying belt.
The ultra wear-resisting rubber cover that is used for conveying belt that embodiment 2 prepares, its performance perameter is seen table 2.
Table 2
Sizing material |
Hardness Shao Shi A |
100% tensile modulus MPa |
300% tensile modulus MPa |
Tensile strength at yield MPa |
Tensile yield % |
Tension set % |
Abrasion mm3 |
B5519 |
56 |
1.15 |
3.2 |
17.5 |
780 |
30 |
45 |
Embodiment 3
Be ready to prepare each the required component of ultra wear-resisting rubber cover that is used for conveying belt: tree elastomer is 5000 grams, and cis-1,4-polybutadiene rubber is 5000 grams, and sulphur is 250 grams, and zinc oxide is 300 grams; Anti-aging agent RD is 200 grams, and antioxidant 4010NA is 200 grams, and accelerator NS is 200 grams, and altax is 200 grams; White carbon black is 2000 grams, and coupling agent Si-69 is 200 grams, and carbon black N330 is 2000 grams; Triple Pressed Stearic Acid is 200 grams, and coumarone is 300 grams, and aromatic hydrocarbon oil is 1000 grams.
The preparation method who is used for the ultra wear-resisting rubber cover of conveying belt comprises the steps:
One section mixing: the tree elastomer of 5000 grams, the cis-1,4-polybutadiene rubber of 5000 grams are added in the Banbury mixer; In Banbury mixer, drop into the Triple Pressed Stearic Acid of 200 grams, the carbon black N330 of 2000 grams, the white carbon black of 2000 grams, the coupling agent Si-69 of 200 grams, the coumarone of 300 grams and the aromatic hydrocarbon oil of 1000 grams again; The lid floating weight carries out banburying; Binder removal when banburying rises to 110 ~ 130 ℃ to the mixture temperature obtains one section rubber unvulcanizate;
Two-stage mixing: one section rubber unvulcanizate is cooled to the room temperature continued and puts in the Banbury mixer; In Banbury mixer, add the sulphur of 250 grams, the zinc oxide of 300 grams, the anti-aging agent RD of 200 grams, the antioxidant 4010NA of 200 grams, the accelerator NS of 200 grams and the altax of 200 grams again; The lid floating weight carries out banburying; Binder removal when banburying rises to 90 ~ 100 ℃ to the mixture temperature obtains two-stage mixing glue;
Heat refining: two-stage mixing glue is carried out heat refining in mill, the temperature of mill is controlled at 60 ~ 80 ℃, and soak time is 3 ~ 5 minutes, obtains gum stock;
Rolling press preheating: the calendar rolls temperature of four-roll calender is carried out preheating; The top roll preheating temperature of four-roll calender is controlled at 70 ~ 90 ℃; Two central roll preheating temperatures of four-roll calender are controlled at 50 ~ 70 ℃, and the lower roll preheating temperature of four-roll calender is controlled at 40 ~ 50 ℃;
Rolling out film: after the calendar rolls preheating of four-roll calender was good, gum stock was sent into and is carried out the slice operation in the four-roll calender, and the film of rolling out film is the ultra wear-resisting rubber cover finished product that is used for conveying belt.
The ultra wear-resisting rubber cover that is used for conveying belt that embodiment 3 prepares, its performance perameter is seen table 3.
Table 3
Sizing material |
Hardness Shao Shi A |
100% tensile modulus MPa |
300% tensile modulus MPa |
Tensile strength at yield MPa |
Tensile yield % |
Tension set % |
Abrasion mm3 |
B5518 |
57 |
1.28 |
3.7 |
19.6 |
590 |
25 |
38 |