CN114249927B - Wear-resistant sizing material for sand blasting and sand blasting conveying rubber pipe - Google Patents
Wear-resistant sizing material for sand blasting and sand blasting conveying rubber pipe Download PDFInfo
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- CN114249927B CN114249927B CN202111574247.0A CN202111574247A CN114249927B CN 114249927 B CN114249927 B CN 114249927B CN 202111574247 A CN202111574247 A CN 202111574247A CN 114249927 B CN114249927 B CN 114249927B
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 52
- 239000005060 rubber Substances 0.000 title claims abstract description 52
- 239000000463 material Substances 0.000 title claims abstract description 45
- 238000005488 sandblasting Methods 0.000 title claims abstract description 41
- 238000004513 sizing Methods 0.000 title claims abstract description 29
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 28
- 239000010410 layer Substances 0.000 claims abstract description 21
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 20
- 239000006229 carbon black Substances 0.000 claims abstract description 20
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 20
- 229920001194 natural rubber Polymers 0.000 claims abstract description 20
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 19
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 18
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 18
- 238000005299 abrasion Methods 0.000 claims abstract description 17
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000012790 adhesive layer Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- 235000019808 microcrystalline wax Nutrition 0.000 claims abstract description 9
- 239000004200 microcrystalline wax Substances 0.000 claims abstract description 9
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 8
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 8
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000008117 stearic acid Substances 0.000 claims abstract description 8
- 239000011787 zinc oxide Substances 0.000 claims abstract description 8
- 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 5
- 229920000728 polyester Polymers 0.000 claims description 9
- 238000009941 weaving Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000004073 vulcanization Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 238000005270 abrasive blasting Methods 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 claims 2
- 238000005422 blasting Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- 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 discloses a wear-resistant sizing material for sand blasting, which is prepared from the following raw materials in parts by weight: 60-80 parts of natural rubber, 20-40 parts of butadiene rubber, 5-10 parts of zinc oxide, 1-3 parts of stearic acid, 1-2 parts of an anti-aging agent RD, 1.5-4 parts of an anti-aging agent 4010NA, 1-3 parts of microcrystalline wax 9108, 50-70 parts of carbon black N234, 0.3-1 part of a scorch retarder CTP, 1-3 parts of a vulcanizing agent S-80,0.3-1.2 parts of an accelerator CZ; the total amount of natural rubber and butadiene rubber was 100 parts by weight. The sizing material has the strength and the wear resistance, and the relative volume abrasion quantity reaches 110mm 3 The following is given. The invention also discloses a wear-resistant conveying rubber pipe for sand blasting, which comprises an inner rubber layer, a reinforcing layer and an outer rubber layer from inside to outside; the inner adhesive layer and the outer adhesive layer are both extruded by using wear-resistant sizing materials through sand blasting. The service life of the rubber tube is greatly prolonged.
Description
Technical Field
The invention belongs to the field of rubber composite materials, and relates to a wear-resistant sizing material for sand blasting and a sand blasting conveying rubber pipe prepared from the sizing material.
Background
The sand blasting pipe is also called a rubber hose for sand blasting, and is suitable for performing wind pressure sand blasting rust removal on the metal surface, and sand blasting rubber hoses for wet sand blasting and dry sand blasting in the process of scutching and engineering construction. The application field of the sand blasting pipe mainly comprises industries such as intelligent spraying, ship construction, tunnel bridge engineering and the like, and is mainly used as a conveying type rubber pipe, and the conveying main medium is as follows: stone, cement, steel grit and other hard materials have high wear resistance requirement on rubber materials used for rubber hoses.
The sand blasting pipe commonly used in the market is often worn too high, so that the service life of the rubber pipe is greatly reduced, the rubber pipe needs to be frequently replaced in the use process, the use cost is increased, the engineering time consumption is increased, and the rubber pipe is often indelible. Therefore, the reduction of abrasion of the materials used for the sand blasting pipe is urgent to improve the quality of the rubber pipe.
Disclosure of Invention
The invention aims to provide a wear-resistant rubber material for sand blasting, which is used for preparing a sand blasting conveying rubber pipe, so that the service life of the sand blasting conveying rubber pipe can be prolonged, the cost in actual use can be reduced, and the working efficiency can be improved.
The invention aims at realizing the following technical scheme:
the wear-resistant sizing material for sand blasting is prepared from the following raw materials in parts by weight: 60-80 parts of natural rubber, 20-40 parts of butadiene rubber, 5-10 parts of zinc oxide, 1-3 parts of stearic acid, 1-2 parts of an anti-aging agent RD, 1.5-4 parts of an anti-aging agent 4010NA, 1-3 parts of microcrystalline wax 9108, 50-70 parts of carbon black N234, 0.3-1 part of a scorch retarder CTP, 1-3 parts of a vulcanizing agent S-80,0.3-1.2 parts of an accelerator CZ; wherein the total amount of the natural rubber and the butadiene rubber is 100 parts by weight.
Preferably, the abrasion-resistant sizing material for sand blasting is prepared from the following raw materials in parts by weight: 60-70 parts of natural rubber, 30-40 parts of butadiene rubber, 5-10 parts of zinc oxide, 1-3 parts of stearic acid, 1-2 parts of an anti-aging agent RD, 2-4 parts of an anti-aging agent 4010NA, 1-3 parts of microcrystalline wax 9108, 50-70 parts of carbon black N234, 0.5-1 part of an anti-scorching agent CTP, 1-3 parts of a vulcanizing agent S-80,0.3-1.2 parts of an accelerator CZ.
The Mooney viscosity of the natural rubber is 55-65 (ML 1+4 100℃) may be specifically selected from the natural rubber SVR CV60.
The Mooney viscosity of the butadiene rubber is 40-50 (ML) 1+4 100℃C) may be chosen in particular from butadiene rubber BR9000.
Another object of the present invention is to provide a method for preparing the abrasive-resistant sizing material for sandblasting, comprising the steps of:
step (1), introducing water into an internal mixer for cooling, adding natural rubber and butadiene rubber, and plasticating for 200-300 seconds;
step (2), adding the plasticated rubber, zinc oxide, stearic acid, an anti-aging agent RD, an anti-aging agent 4010NA, microcrystalline wax 9108 and carbon black N234 prepared in the step (1), and mixing for 3-5 minutes;
step (3), adding a scorch retarder CTP, a vulcanizing agent S-80 and a promoter CZ, mixing, and discharging glue when the temperature reaches about 105 ℃;
and (4) transferring the sizing material to an open mill for thin sheet discharge, and cooling to room temperature to obtain the wear-resistant sizing material for sand blasting.
The invention further aims to provide a wear-resistant conveying rubber pipe for sand blasting, which sequentially comprises an inner rubber layer, a reinforcing layer and an outer rubber layer from inside to outside; the inner adhesive layer and the outer adhesive layer are both formed by extrusion of the abrasion-resistant rubber material for sand blasting, and the added layer is formed by weaving polyester wires.
The thickness of the inner adhesive layer is 4.6+/-0.2 mm, and the thickness of the outer adhesive layer is 1.5+/-0.2 mm.
Preferably, the reinforcing layer is formed by weaving polyester wires in a 36-spindle 3-strand weaving mode.
Preferably, the polyester thread is a 3000D polyester thread.
Another object of the present invention is to provide a method for preparing the abrasion-resistant type delivery hose for sandblasting, comprising: extruding inner layer glue, weaving the reinforcing layer, extruding outer layer glue, winding cloth, vulcanizing, unbinding, removing cores, cutting tubes, inspecting and the like; wherein the vulcanization temperature is 150+/-3 ℃, and the vulcanization time is 60+/-3 min.
The invention has the beneficial effects that:
aiming at the characteristics of the use environment of the sand blasting pipe, the rubber pipe is mainly made of harder materials which generally have larger abrasion to the rubber pipe, so that the rubber material needs to have good conventional performance and wear resistance.
The abrasion-resistant rubber material is used for sand blasting, and the natural rubber and the butadiene rubber are used together, both contain unsaturated double bonds, and the addition of the butadiene rubber increases the crosslinking degree of the whole rubber material and can increase the abrasion resistance of the material; and with an increase in carbon black N234 (theoretical particle size of 22 nm)Compared with other carbon black with low particle diameter which can only increase the wear resistance of the sizing material and can not simultaneously give consideration to other properties of the sizing material, particularly tearing property, the carbon black N234 can ensure the strength of the sizing material and simultaneously ensure the relative volume abrasion amount to reach 110mm 3 Under the condition of having harsh requirements on abrasion, the abrasion resistance of the rubber material can be increased, the tearing performance of the rubber material can be considered, the condition requirements of dragging, pulling and the like of a sand blasting pipe in the use process are met, and the damage or fracture of the rubber pipe is avoided. According to the invention, the anti-aging agent with anti-aging and anti-ozone aging functions is added into the sizing material, so that the sizing material has more excellent anti-aging and ozone resistance.
The sand blasting conveying rubber pipe made of the sizing material is used for conveying hard media such as stones, steel sand and the like, and is used in the fields of intelligent spraying, ship construction and the like. The sand blasting conveying rubber pipe greatly prolongs the service life, reduces the replacement frequency of the rubber pipe and reduces the engineering cost, and the rubber pipe uniformly adopts rubber materials with excellent wear resistance as the inner rubber layer and the outer rubber layer, and adopts a simple and effective polyester wire reinforcing layer as the reinforcing layer, so that the whole performance of the rubber pipe is exerted to the maximum extent, and the acceptance of audiences is obtained.
Detailed Description
The technical scheme of the invention is further described by the following specific embodiments
Table 1: sizing material formula
Example 1
The abrasion-resistant sizing material used for sand blasting in the embodiment is prepared from the following raw materials in parts by weight as shown in table 1:
step (1), introducing water into an internal mixer for cooling, adding natural rubber and butadiene rubber, and plasticating for 200-300 seconds to obtain plasticated rubber;
step (2), adding plasticated rubber, zinc oxide, stearic acid, an anti-aging agent RD, an anti-aging agent 4010NA, microcrystalline wax 9108 and carbon black N234, and mixing for 3-5 minutes;
step (3), adding a scorch retarder CTP, a vulcanizing agent S-80 and a promoter CZ, mixing, and discharging glue when the temperature reaches about 105 ℃;
and (4) transferring the sizing material to an open mill for thin sheet discharge, and cooling to room temperature to obtain the wear-resistant sizing material for sand blasting.
Example 2
The abrasion-resistant sizing material used for sand blasting in this example was prepared in the same manner as in example 1, with the raw materials and amounts (parts by weight) shown in table 1.
Comparative example 1
The raw materials and amounts (parts by weight) of the rubber compound of this comparative example are shown in Table 1, and the preparation method is the same as in example 1 except that 60 parts of carbon black N234 is replaced with 62 parts of carbon black N220.
Comparative example 2
The raw materials and the amounts (parts by weight) of the compound of comparative example 2 are shown in Table 1, and as compared with example 1, the compound of comparative example 1 was prepared by adding 654 5 parts of the protective wax Antilux.
Comparative example 3
The raw materials and amounts (parts by weight) of the compounds of comparative example 3 are shown in table 1, and the raw rubber SVR CV60 is replaced with SCR WF as compared with example 1.
The compounds prepared in example 1, comparative example 2 and comparative example 3 were vulcanized under the following vulcanization conditions: properties were examined according to table 2 at 150 ℃ for 25 min.
Table 2: performance parameters of the sizing material
Therefore, the natural rubber has higher elasticity and very good mechanical strength at normal temperature, and the butadiene rubber is used in the natural rubber to increase the crosslinking degree of the rubber material, and the constant-viscosity natural rubber CV60 and the butadiene rubber BR9000 are used together and are matched with the carbon black N234 to reduce the wear resistance index of the rubber material, improve the wear resistance and reduce the relative volume abrasion amount of the rubber material to 110mm 3 Hereinafter, use is made ofThe good wear resistance of the sand blasting rubber tube is ensured, so that the service life of the rubber tube is greatly prolonged.
In comparison with example 1, comparative example 1 uses carbon black N220 instead of carbon black N234, and in view of the abrasion resistance of carbon black N220 being inferior to that of carbon black N234, the amount of carbon black N220 is increased, but the tear resistance of the compound after the amount is increased is still inferior to that of carbon black N234. Comparative example 2 continued to add the protective wax anti 654 with the addition of microcrystalline wax, but with a significant decrease in tear resistance compared to example 1. In comparison with example 1, comparative example 3 replaces natural rubber SVR CV60 with natural rubber SCR WF, the Mooney viscosity of SVR CV60 is constant and relatively stable, typically 55-65 (ML 1+4 100 c) and the mooney viscosity of SCR WF was not stable, the compound performance of comparative example 3 was significantly affected.
Claims (8)
1. A wear-resistant sizing material for sand blasting, characterized in that: the composite material is prepared from the following raw materials in parts by weight: 60-80 parts of natural rubber, 20-40 parts of butadiene rubber, 5-10 parts of zinc oxide, 1-3 parts of stearic acid, 1-2 parts of an anti-aging agent RD, 1.5-4 parts of an anti-aging agent 4010NA, 1-3 parts of microcrystalline wax 9108, 50-70 parts of carbon black N234, 0.3-1 part of a scorch retarder CTP, 1-3 parts of a vulcanizing agent S-80,0.3-1.2 parts of an accelerator CZ; wherein the total amount of the natural rubber and the butadiene rubber is 100 parts by weight;
the Mooney viscosity of the natural rubber is 55-65 (ML 1+4 100℃）；
The Mooney viscosity of the butadiene rubber is 40-50 (ML) 1+4 100℃）。
2. The blasting use of an abrasion resistant sizing material according to claim 1, wherein: the composite material is prepared from the following raw materials in parts by weight: 60-70 parts of natural rubber, 30-40 parts of butadiene rubber, 5-10 parts of zinc oxide, 1-3 parts of stearic acid, 1-2 parts of an anti-aging agent RD, 2-4 parts of an anti-aging agent 4010NA, 1-3 parts of microcrystalline wax 9108, 50-70 parts of carbon black N234, 0.5-1 part of an anti-scorching agent CTP, 1-3 parts of a vulcanizing agent S-80,0.3-1.2 parts of an accelerator CZ.
3. A method of making a blast-used abrasion resistant size according to claim 1, characterized by: the method comprises the following steps:
step (1), introducing water into an internal mixer for cooling, adding natural rubber and butadiene rubber, and plasticating for 200-300 seconds;
step (2), adding the plasticated rubber, zinc oxide, stearic acid, an anti-aging agent RD, an anti-aging agent 4010NA, microcrystalline wax 9108 and carbon black N234 prepared in the step (1), and mixing for 3-5 minutes;
step (3), adding an anti-scorching agent CTP, a vulcanizing agent S-80 and a promoter CZ, mixing, and discharging glue when the temperature reaches 105 ℃;
and (4) transferring the sizing material to an open mill for thin sheet discharge, and cooling to room temperature to obtain the wear-resistant sizing material for sand blasting.
4. The utility model provides a sand blasting uses wear-resisting formula to carry rubber tube which characterized in that: the inner adhesive layer, the reinforcing layer and the outer adhesive layer are sequentially arranged from inside to outside; wherein the inner adhesive layer and the outer adhesive layer are both formed by extrusion of the abrasive-resistant sizing material by sand blasting according to claim 1, and the reinforcing layer is formed by weaving polyester yarns.
5. The abrasive blasting use of claim 4, wherein: the thickness of the inner adhesive layer is 4.6+/-0.2 mm, and the thickness of the outer adhesive layer is 1.5+/-0.2 mm.
6. The abrasive blasting use of claim 4, wherein: the reinforcing layer is formed by weaving polyester wires in a 36-spindle 3-strand weaving mode.
7. The abrasive blasting use of claim 4 or 6, wherein: the polyester wire is a 3000D polyester wire.
8. A method of making the abrasive blast wear-resistant hose of claim 5, comprising: extruding inner layer glue, weaving the reinforcing layer, extruding outer layer glue, winding cloth, vulcanizing, unbinding, removing cores, cutting tubes and inspecting; wherein the vulcanization temperature is 150+/-3 ℃, and the vulcanization time is 60+/-3 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111574247.0A CN114249927B (en) | 2021-12-21 | 2021-12-21 | Wear-resistant sizing material for sand blasting and sand blasting conveying rubber pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111574247.0A CN114249927B (en) | 2021-12-21 | 2021-12-21 | Wear-resistant sizing material for sand blasting and sand blasting conveying rubber pipe |
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| Publication Number | Publication Date |
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| CN114249927A CN114249927A (en) | 2022-03-29 |
| CN114249927B true CN114249927B (en) | 2023-12-15 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885129A (en) * | 2016-04-27 | 2016-08-24 | 青岛青橡橡胶有限公司 | Wear-resistant sandblasting rubber material |
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- 2021-12-21 CN CN202111574247.0A patent/CN114249927B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885129A (en) * | 2016-04-27 | 2016-08-24 | 青岛青橡橡胶有限公司 | Wear-resistant sandblasting rubber material |
Non-Patent Citations (1)
| Title |
|---|
| 7.00-16 14PR山地型轻卡轮胎的设计;曲良硕;《中国橡胶》;第19卷(第19期);第26-27页 * |
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