CN115093622A - Anti-aging anti-ultraviolet rubber material and preparation method thereof - Google Patents
Anti-aging anti-ultraviolet rubber material and preparation method thereof Download PDFInfo
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- CN115093622A CN115093622A CN202210996054.2A CN202210996054A CN115093622A CN 115093622 A CN115093622 A CN 115093622A CN 202210996054 A CN202210996054 A CN 202210996054A CN 115093622 A CN115093622 A CN 115093622A
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- 230000003712 anti-aging effect Effects 0.000 title claims abstract description 74
- 229920001971 elastomer Polymers 0.000 title claims abstract description 65
- 239000000463 material Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 54
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 36
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 18
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 18
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010692 aromatic oil Substances 0.000 claims abstract description 18
- 239000006229 carbon black Substances 0.000 claims abstract description 18
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 18
- 229920001194 natural rubber Polymers 0.000 claims abstract description 18
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 18
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000012188 paraffin wax Substances 0.000 claims abstract description 18
- 239000008117 stearic acid Substances 0.000 claims abstract description 18
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 18
- 239000011593 sulfur Substances 0.000 claims abstract description 18
- 239000011787 zinc oxide Substances 0.000 claims abstract description 18
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000005282 brightening Methods 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000032683 aging Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of rubber materials, and discloses an anti-aging anti-ultraviolet rubber material and a preparation method thereof. The rubber material comprises the following raw materials: 100-120 parts of natural rubber, 3-5 parts of zinc oxide, 1-3 parts of stearic acid, 2-4 parts of an anti-aging agent, 2-3 parts of paraffin, 30-60 parts of carbon black N33030, 5-10 parts of aromatic oil, 1-5 parts of a brightening agent, 1-2 parts of an accelerator CZ and 1-3 parts of sulfur. By adding the brightening agent, the brightness of the surface of the product can be effectively improved, the anti-aging and anti-ultraviolet effects of the product can be improved, the prepared rubber material has no fine cracks on the surface of the test piece after being aged for 336 hours by sunlight ultraviolet rays, and the service life of the conveying belt is prolonged.
Description
Technical Field
The invention relates to the technical field of rubber materials, in particular to an anti-aging anti-ultraviolet rubber material and a preparation method thereof.
Background
The conveyer belt is used as a product for industrial conveying materials, and the application field is continuously expanded along with the improvement of the industrialization process. The components of the conveying belt generally comprise a belt core, belt core rubber and covering rubber, the covering rubber of the traditional conveying belt generally takes petroleum rubber synthesized by taking petroleum as a raw material and is compounded with a vulcanizing agent, a reinforcing agent, a plasticizer and the like, the conveying belts prepared by different formulas have different performances, but the covering rubber of the traditional heat-resistant and wear-resistant conveying belt is worn, cracked and aged after being used for a long time, and even falls off seriously, so that the service life of the conveying belt is influenced.
Moreover, with the wide application of the conveyor belt, the market competition of the conveyor belt products is more and more intense, the requirements on appearance quality are more and more strict, the surface is required to be smooth, and the brightness is gradually taken as an aspect, and the requirements are more and more strict. However, the coating rubber of the traditional conveying belt is generally used for improving the performances of wear resistance, heat resistance and the like, and does not pay attention to the brightness performance. Therefore, how to have excellent appearance on the basis of ensuring good service performance of the conveyer belt has important significance for wide application of the conveyer belt.
Disclosure of Invention
The invention aims to provide an anti-aging ultraviolet-proof rubber material and a preparation method thereof, and solves the problems of the existing conveyor belt rubber material.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides an anti-aging anti-ultraviolet rubber material which is prepared from the following raw materials in parts by mass:
100-120 parts of natural rubber, 3-5 parts of zinc oxide, 1-3 parts of stearic acid, 2-4 parts of an anti-aging agent, 2-3 parts of paraffin, 30-60 parts of carbon black N33030, 5-10 parts of aromatic oil, 1-5 parts of a brightening agent, 1-2 parts of an accelerator CZ and 1-3 parts of sulfur.
Preferably, in the anti-aging ultraviolet-proof rubber material, the anti-aging ultraviolet-proof rubber material is prepared from the following raw materials in parts by mass:
100 parts of natural rubber, 3 parts of zinc oxide, 2 parts of stearic acid, 2 parts of an anti-aging agent, 2 parts of paraffin, 33050 parts of carbon black N, 10 parts of aromatic oil, 2 parts of a brightening agent, 1 part of an accelerator CZ and 2 parts of sulfur.
Preferably, in the anti-aging ultraviolet-proof rubber material, the anti-aging agent is an anti-aging agent RD and an anti-aging agent BLE; the mass ratio of the anti-aging agent RD to the anti-aging agent BLE is 1-2: 1 to 3.
Preferably, in the anti-aging ultraviolet-proof rubber material, the brightening agent is RL-150 of Shandong Zechuan rubber science and technology Co., Ltd or FN-TOP3 of Qingdao Vono chemical science and technology Co., Ltd.
The invention also provides a preparation method of the anti-aging anti-ultraviolet rubber material, which comprises the following steps:
(1) mixing natural rubber in an open mill for 1-3 min, adding zinc oxide, stearic acid, an anti-aging agent, paraffin and a brightening agent, mixing for 2-5 min, adding carbon black N330 and aromatic oil, mixing for 2-5 min, adding an accelerator CZ and sulfur, and mixing for 1-4 min to obtain a rubber compound;
(2) and (3) after the rubber compound is subjected to thin passing for 4-6 times, adjusting the roller distance of an open mill to 2-4 mm, and discharging and placing to obtain the anti-aging ultraviolet-proof rubber material.
According to the technical scheme, compared with the prior art, the invention has the following beneficial effects:
by adding the brightener, the invention not only can effectively improve the brightness of the surface of the product, but also can improve the anti-aging and anti-ultraviolet effects of the product, and the prepared rubber material has no fine cracks on the surface of the test piece after being aged for 336 hours by sunlight ultraviolet rays, thereby prolonging the service life of the conveyer belt.
Detailed Description
The invention provides an anti-aging anti-ultraviolet rubber material which is prepared from the following raw materials in parts by weight:
100-120 parts of natural rubber, 3-5 parts of zinc oxide, 1-3 parts of stearic acid, 2-4 parts of an anti-aging agent, 2-3 parts of paraffin, 30-60 parts of carbon black N33030, 5-10 parts of aromatic oil, 1-5 parts of a brightening agent, 1-2 parts of an accelerator CZ and 1-3 parts of sulfur.
In the invention, the anti-aging anti-ultraviolet rubber material is prepared from the following raw materials in parts by mass:
100 parts of natural rubber, 3 parts of zinc oxide, 2 parts of stearic acid, 2 parts of an anti-aging agent, 2 parts of paraffin, 50 parts of carbon black N33050, 10 parts of aromatic oil, 2 parts of a brightening agent, 1 part of an accelerator CZ and 2 parts of sulfur.
In the invention, the anti-aging agent is an anti-aging agent RD and an anti-aging agent BLE; the mass ratio of the anti-aging agent RD to the anti-aging agent BLE is preferably 1-2: 1 to 3, and more preferably 1.1 to 1.9: 1.3 to 2.5, more preferably 1.5: 2.
in the present invention, the brightener is preferably RL-150 from Shandong Zea rubber science and technology Co., Ltd or FN-TOP3 from Qingdao Funo chemical science and technology Co., Ltd.
The invention also provides a preparation method of the anti-aging anti-ultraviolet rubber material, which comprises the following steps:
(1) mixing natural rubber in an open mill for 1-3 min, adding zinc oxide, stearic acid, an anti-aging agent, paraffin and a brightening agent, mixing for 2-5 min, adding carbon black N330 and aromatic oil, mixing for 2-5 min, adding an accelerator CZ and sulfur, and mixing for 1-4 min to obtain a rubber compound;
(2) and (3) after the rubber compound is subjected to thin passing for 4-6 times, adjusting the roller distance of an open mill to 2-4 mm, and discharging and placing to obtain the anti-aging ultraviolet-proof rubber material.
In the invention, the parking time in the step (2) is preferably 8-16 h, more preferably 9-14 h, and even more preferably 11 h.
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides an anti-aging ultraviolet-proof rubber material which is prepared from the following raw materials in parts by mass:
100 parts of natural rubber, 3 parts of zinc oxide, 2 parts of stearic acid, 1 part of an anti-aging agent RD, 1 part of an anti-aging agent BLE, 2 parts of paraffin, 50 parts of carbon black N33050, 10 parts of aromatic oil, RL-1502 parts, 1 part of a promoter CZ and 2 parts of sulfur.
The preparation method comprises the following steps:
(1) mixing natural rubber on an open mill with the diameter of 160mm for 2min, adding zinc oxide, stearic acid, an anti-aging agent RD, an anti-aging agent BLE, paraffin and RL-150, mixing for 3min, adding carbon black N330 and aromatic oil, mixing for 3min, adding an accelerator CZ and sulfur, and mixing for 2min to obtain mixed rubber;
(2) and (3) after the rubber compound is thinned for 5 times, adjusting the roller spacing of an open mill to 3mm, discharging and standing for 10 hours to obtain the anti-aging anti-ultraviolet rubber material.
The rubber material has the performance change rate after aging at 70 ℃ for 168 h: the tensile strength change rate is 15 percent, and the elongation change rate is 17 percent; after the test piece is aged for 336h by sunlight ultraviolet rays, the surface of the test piece has no fine cracks.
Example 2
The embodiment provides an anti-aging ultraviolet-proof rubber material which is prepared from the following raw materials in parts by mass:
105 parts of natural rubber, 3 parts of zinc oxide, 3 parts of stearic acid, 2 parts of an anti-aging agent RD, 1 part of an anti-aging agent BLE, 3 parts of paraffin, 30 parts of carbon black N33030, 7 parts of aromatic oil, FN-TOP 34 parts, 1 part of an accelerator CZ and 3 parts of sulfur.
The preparation method comprises the following steps:
(1) mixing natural rubber on an open mill with the diameter of 160mm for 3min, adding zinc oxide, stearic acid, an anti-aging agent RD, an anti-aging agent BLE, paraffin and FN-TOP3, mixing for 2min, adding carbon black N330 and aromatic oil, mixing for 4min, adding an accelerator CZ and sulfur, and mixing for 4min to obtain a rubber compound;
(2) and (3) after the rubber compound is thinly passed for 5 times, adjusting the roller spacing of an open mill to 3mm, discharging and standing for 8 hours to obtain the anti-aging ultraviolet-proof rubber material.
The rubber material has the performance change rate after aging at 70 ℃ for 168 h: the tensile strength change rate is 17 percent, and the elongation change rate is 18 percent; after the test piece is aged for 336h by sunlight and ultraviolet rays, the surface of the test piece has no fine cracks.
Example 3
The embodiment provides an anti-aging ultraviolet-proof rubber material which is prepared from the following raw materials in parts by mass:
110 parts of natural rubber, 5 parts of zinc oxide, 1 part of stearic acid, 1 part of an anti-aging agent RD, 2 parts of an anti-aging agent BLE, 2 parts of paraffin, 40 parts of carbon black N33040, 5 parts of aromatic oil, RL-1501 parts, 2 parts of an accelerator CZ and 2 parts of sulfur.
The preparation method comprises the following steps:
(1) mixing natural rubber on an open mill with the diameter of 160mm for 2min, adding zinc oxide, stearic acid, an anti-aging agent RD, an anti-aging agent BLE, paraffin and RL-150, mixing for 2min, adding carbon black N330 and aromatic oil, mixing for 5min, adding an accelerator CZ and sulfur, and mixing for 1min to obtain mixed rubber;
(2) and (3) after the rubber compound is thinly passed through for 4 times, adjusting the roller spacing of an open mill to 3mm, discharging and standing for 13h to obtain the anti-aging ultraviolet-proof rubber material.
The rubber material has the performance change rate after aging at 70 ℃ for 168 h: the tensile strength change rate is 17 percent, and the elongation change rate is 19 percent; after the test piece is aged for 336h by sunlight and ultraviolet rays, the surface of the test piece has no fine cracks.
Example 4
The embodiment provides an anti-aging ultraviolet-proof rubber material which is prepared from the following raw materials in parts by mass:
120 parts of natural rubber, 5 parts of zinc oxide, 3 parts of stearic acid, 2 parts of an anti-aging agent RD, 2 parts of an anti-aging agent BLE, 3 parts of paraffin, 60 parts of carbon black N33060, 10 parts of aromatic oil, 35 parts of FN-TOP, 2 parts of an accelerator CZ and 3 parts of sulfur.
The preparation method comprises the following steps:
(1) mixing natural rubber on an open mill with the diameter of 160mm for 3min, adding zinc oxide, stearic acid, an anti-aging agent RD, an anti-aging agent BLE, paraffin and FN-TOP3, mixing for 5min, adding carbon black N330 and aromatic oil, mixing for 2min, adding an accelerator CZ and sulfur, and mixing for 4min to obtain a rubber compound;
(2) and (3) after the rubber compound is thinned for 6 times, adjusting the roller distance of an open mill to 2.5mm, discharging and standing for 16 hours to obtain the anti-aging anti-ultraviolet rubber material.
The rubber material has the following performance change rate after aging at 70 ℃ for 168 h: the tensile strength change rate is 16 percent, and the elongation change rate is 18 percent; after the test piece is aged for 336h by sunlight and ultraviolet rays, the surface of the test piece has no fine cracks.
Comparative example 1
The comparative example provides an anti-aging ultraviolet-proof rubber material, which is specifically shown in example 1, except that RL-150 is not added.
The rubber material has the performance change rate after aging at 70 ℃ for 168 h: the tensile strength change rate is 23 percent, and the elongation change rate is 21 percent; after the test piece is aged for 336h by sunlight and ultraviolet rays, the surface of the test piece has fine cracks.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The anti-aging anti-ultraviolet rubber material is characterized by being prepared from the following raw materials in parts by mass:
100-120 parts of natural rubber, 3-5 parts of zinc oxide, 1-3 parts of stearic acid, 2-4 parts of an anti-aging agent, 2-3 parts of paraffin, 30-60 parts of carbon black N33030, 5-10 parts of aromatic oil, 1-5 parts of a brightening agent, 1-2 parts of an accelerator CZ and 1-3 parts of sulfur.
2. The anti-aging anti-ultraviolet rubber material as claimed in claim 1, which is prepared from the following raw materials in parts by mass:
100 parts of natural rubber, 3 parts of zinc oxide, 2 parts of stearic acid, 2 parts of an anti-aging agent, 2 parts of paraffin, 33050 parts of carbon black N, 10 parts of aromatic oil, 2 parts of a brightening agent, 1 part of an accelerator CZ and 2 parts of sulfur.
3. The anti-aging ultraviolet-proof rubber material as claimed in claim 1 or 2, wherein the anti-aging agent is an anti-aging agent RD and an anti-aging agent BLE; the mass ratio of the anti-aging agent RD to the anti-aging agent BLE is 1-2: 1 to 3.
4. The anti-aging UV-proof rubber material as claimed in claim 3, wherein the brightener is RL-150 from Shandong Zea rubber science and technology Co., Ltd or FN-TOP3 from Qingdao Funo chemical science and technology Co., Ltd.
5. The preparation method of the anti-aging ultraviolet-proof rubber material as claimed in any one of claims 1 to 4, characterized by comprising the following steps:
(1) mixing natural rubber in an open mill for 1-3 min, adding zinc oxide, stearic acid, an anti-aging agent, paraffin and a brightening agent, mixing for 2-5 min, adding carbon black N330 and aromatic oil, mixing for 2-5 min, adding an accelerator CZ and sulfur, and mixing for 1-4 min to obtain a rubber compound;
(2) and (3) after the rubber compound is subjected to thin passing for 4-6 times, adjusting the roller distance of an open mill to 2-4 mm, and discharging and placing to obtain the anti-aging ultraviolet-proof rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210996054.2A CN115093622A (en) | 2022-08-19 | 2022-08-19 | Anti-aging anti-ultraviolet rubber material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210996054.2A CN115093622A (en) | 2022-08-19 | 2022-08-19 | Anti-aging anti-ultraviolet rubber material and preparation method thereof |
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| CN115093622A true CN115093622A (en) | 2022-09-23 |
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| CN202210996054.2A Pending CN115093622A (en) | 2022-08-19 | 2022-08-19 | Anti-aging anti-ultraviolet rubber material and preparation method thereof |
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