Ethylene-propylene-diene monomer rubber material for high-wear-resistance foaming rubber roller, preparation equipment and preparation method of ethylene-propylene-diene monomer rubber material

Abstract

The invention discloses an ethylene-propylene-diene monomer rubber material for a high-wear-resistance foaming rubber roller, preparation equipment and a preparation method of the ethylene-propylene-diene monomer rubber material, and relates to the technical field of rubber. The ethylene propylene diene monomer material for the high-wear-resistance foaming rubber roller comprises the following components in percentage by mass: 38-42% of ethylene propylene diene monomer, 22-26% of a filling reinforcing agent, 28-32% of a softening plasticizer, 3-3.4% of an active agent and 2.6-3% of a vulcanizing agent, the mark of the raw ethylene propylene diene monomer rubber is Lanxeng EP4869C and Jinhu KEP330; the filling reinforcing agent is Cabot N550; and the softening plasticizer is Adil paraffin oil PB2251. The control panel has the characteristics of high wear resistance, high frictional resistance, acid and alkali resistance, good resilience and the like, can be used for a long time in a use environment, is suitable for a high-wear-resistance foaming rubber roller, can adjust the angle of the control panel, is convenient for placing data during use, and is prevented from being accidentally touched when not in use.

Description

Technical Field

[0001] The invention relates to the technical field of rubber, and in particular to an EPDM rubber material for a high-wear-resistant foam rubber roller, a preparation device and a method thereof. Background Art

[0002] With the rapid and sustainable development of my country's rubber industry, the demand for foam rubber rollers in the domestic market continues to increase, and foam rubber rollers have the advantages of good performance and low price among rubber rollers.

[0003] Rubber rollers are generally composed of an outer rubber layer, a hard rubber layer, a metal core, a roller neck and vents. Their processing includes sandblasting of the roller core, bonding treatment, rubber forming, cloth wrapping, wire winding, vulcanization in a vulcanization tank and surface processing. Rubber rollers are mainly used in papermaking, dyeing, printing, grain processing, metallurgy, plastic processing and other fields.

[0004] In the prior art, ordinary rubber rollers have poor elasticity, poor wear resistance, insufficient friction, easy aging and corrosion during operation. To this end, we propose an EPDM rubber material for a highly wear-resistant foamed rubber roller, a preparation device and a method thereof to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide an EPDM rubber material for a highly wear-resistant foam rubber roller, a preparation device and a method thereof, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: an EPDM rubber material for a high wear-resistant foam rubber roller, relative to the total mass of the EPDM rubber material for the high wear-resistant foam rubber roller of 100%, the EPDM rubber material for the high wear-resistant foam rubber roller comprises the following components by mass percentage: 38-42% of EPDM rubber, 22-26% of a filling and reinforcing agent, 28-32% of a softening plasticizer, 3-3.4% of an activator, and 2.6-3% of a vulcanizing agent;

[0007] The EPDM raw rubber grade is LANXESS EP4869C and Kumho's KEP330;

[0008] The filling and reinforcing agent is Cabot N550;

[0009] The softening plasticizer is Aidier paraffin oil PB2251;

[0010] The vulcanizing agent is a vulcanizing agent masterbatch;

[0011] The compounding agents are active oxidizing agents, polyethylene glycol, and stearic acid;

[0012] The ratio of carbon black to EPDM rubber is at least 1:1.6.

[0013] The raw materials include, by percentage, 38% of EPDM rubber, 24% of filler and reinforcing agent, 32% of softening plasticizer, 3% of activator and 3% of vulcanizer.

[0014] The raw materials include, by percentage, 39% of EPDM rubber, 24% of filler and reinforcing agent, 31% of softening plasticizer, 3% of activator and 3% of vulcanizer.

[0015] The raw materials include, by percentage, 40% of EPDM rubber, 23% of filler and reinforcing agent, 31% of softening plasticizer, 3% of activator and 3% of vulcanizer.

[0016] The raw materials include, by percentage, 41% of EPDM rubber, 25% of filler and reinforcing agent, 28% of softening plasticizer, 3% of activator and 3% of vulcanizer.

[0017] The raw materials include, by percentage, 41% of EPDM rubber, 25% of filler and reinforcing agent, 28% of softening plasticizer, 3% of activator and 3% of vulcanizer.

[0018] A method for preparing an EPDM rubber material for a highly wear-resistant foam rubber roller comprises the following steps:

[0019] S1. According to the raw material ratio, EPDM rubber, filler and reinforcing agent, softener and plasticizer, and activator are weighed and mixed to form ingredient A, and vulcanizer is weighed to form ingredient B;

[0020] S2, first mixing: put ingredient A into internal mixer and mix for 60-90 seconds, then lift the hammer to clean, then press hammer to mix for 60-90 seconds and lift the hammer to clean again, the temperature is 140-150°C, then press hammer to mix for 60-80 seconds to discharge, the temperature is 150-170°C, and then put it into the cutting machine to make mixed rubber A;

[0021] S3, second mixing: the rubber compound A and ingredient B obtained in the second mixing are put into an internal mixer for mixing for 30 to 40 seconds, and then continue mixing for 30 to 50 seconds after cleaning, and then unload the material onto a cutting machine for sheeting, thereby completing the preparation.

[0022] A preparation device for EPDM rubber material for a highly wear-resistant foamed rubber roller, comprising an internal mixer and a control panel for controlling the internal mixer, wherein the control panel is arranged on a mounting seat, a support plate for covering an operating area of ​​the control panel is hingedly connected to one side of the mounting seat, a sleeve is provided at the bottom of the mounting seat, a support tube is rotatably clamped at the bottom of the sleeve and is used to support the rotation of the mounting seat.

[0023] The mounting seat is used to support the rotation of the control panel, a rubber layer is provided on the top of the support plate, the rotation angle of the support plate is less than or equal to ninety degrees, and a limiting step is provided on the bottom of the support plate.

[0024] The bottom of the support tube is fixedly connected to the internal mixer, and a rubber sleeve for frictionally contacting the inner wall of the sleeve is sleeved on the outer wall of the top of the support tube, and the rubber sleeve is a non-slip and wear-resistant rubber sleeve.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. It has the characteristics of high wear resistance, high friction resistance, acid and alkali resistance, good recovery, etc. It can be used for a long time in the use environment and is suitable for high wear-resistant foam rubber rollers.

[0027] 2. Pour the material into the internal mixer, use the control panel to control the internal mixer to process the material, adjust the control panel according to the use requirements, rotate the mounting seat, the mounting seat rotates on the support tube through the sleeve, the sleeve rotates and rubs against the rubber sleeve to prevent the sleeve from rotating at will, the mounting seat rotates and the control panel follows the rotation to adjust the angle, the user can place the data on the horizontal support plate, after the equipment is used, push the support plate upward, the support plate flips to the side of the control panel, covering the side of the control panel operation area, so that the angle of the control panel can be adjusted, which is convenient for placing data when in use and avoids accidentally touching the control panel when idle. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the structure of the present invention.

[0029] In the figure: 1. internal mixer; 2. control panel; 3. mounting base; 4. support plate; 5. sleeve; 6. support tube; 7. magnetic block; 8. rubber sleeve. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] The invention discloses an EPDM rubber material for a highly wear-resistant foam rubber roller. Relative to the total mass (100 mass %) of the EPDM rubber material for the highly wear-resistant foam rubber roller, the EPDM rubber material for the highly wear-resistant foam rubber roller comprises the following components in mass percentage: 38-42% of EPDM rubber, 22-26% of a filling and reinforcing agent, 28-32% of a softening plasticizer, 3-3.4% of an activator, and 2.6-3% of a vulcanizing agent.

[0032] Example 1

[0033] The raw materials include 38% EPDM rubber, 24% filler and reinforcing agent, 32% softening plasticizer, 3% activator, and 3% vulcanizer by percentage; among which:

[0034] The raw rubber grade of EPDM is LANXESS EP4869C and Kumho's KEP330 rubber is used as the main material of the rubber compound. It has a high ethylene content, high wear resistance, metal adhesion and good physical and mechanical properties.

[0035] The filler and reinforcing agent is Cabot N550, which can meet the performance and processing requirements of rubber;

[0036] The softening plasticizer is Aidier paraffin oil PB2251, which ensures that the dynamic properties of the rubber are not reduced and improves the processability of the rubber;

[0037] The vulcanizing agent is a vulcanizing agent masterbatch produced for Suzhou Sinos, which ensures the dispersibility and good physical and mechanical properties of the rubber compound;

[0038] The compounding agents are active oxidizing agents, polyethylene glycol, and stearic acid;

[0039] The ratio of carbon black to EPDM rubber is at least 1:1.6, which ensures that the processing performance is improved on the basis of the rubber meeting the performance requirements.

[0040] Example 2

[0041] The raw materials include 39% EPDM rubber, 24% filler and reinforcing agent, 31% softening plasticizer, 3% activator, and 3% vulcanizer by percentage; among which:

[0042] The raw rubber grade of EPDM is LANXESS EP4869C and Kumho's KEP330 rubber is used as the main material of the rubber compound. It has a high ethylene content, high wear resistance, metal adhesion and good physical and mechanical properties.

[0043] The filler and reinforcing agent is Cabot N550, which can meet the performance and processing requirements of rubber;

[0044] The softening plasticizer is Aidier paraffin oil PB2251, which ensures that the dynamic properties of the rubber are not reduced and improves the processability of the rubber;

[0045] The vulcanizing agent is a vulcanizing agent masterbatch produced for Suzhou Sinos, which ensures the dispersibility and good physical and mechanical properties of the rubber compound;

[0046] The compounding agents are active oxidizing agents, polyethylene glycol, and stearic acid;

[0047] The ratio of carbon black to EPDM rubber is at least 1:1.6, which ensures that the processing performance is improved on the basis of the rubber meeting the performance requirements.

[0048] Example 3

[0049] The raw materials include 40% EPDM rubber, 23% filler and reinforcing agent, 31% softening plasticizer, 3% activator, and 3% vulcanizer by percentage; among which:

[0050] The raw rubber grade of EPDM is LANXESS EP4869C and Kumho's KEP330 rubber is used as the main material of the rubber compound. It has a high ethylene content, high wear resistance, metal adhesion and good physical and mechanical properties.

[0051] The filler and reinforcing agent is Cabot N550, which can meet the performance and processing requirements of rubber;

[0052] The softening plasticizer is Aidier paraffin oil PB2251, which ensures that the dynamic properties of the rubber are not reduced and improves the processability of the rubber;

[0053] The vulcanizing agent is a vulcanizing agent masterbatch produced for Suzhou Sinos, which ensures the dispersibility and good physical and mechanical properties of the rubber compound;

[0054] The compounding agents are active oxidizing agents, polyethylene glycol, and stearic acid;

[0055] The ratio of carbon black to EPDM rubber is at least 1:1.6, which ensures that the processing performance is improved on the basis of the rubber meeting the performance requirements.

[0056] Example 4

[0057] The raw materials include 41% EPDM rubber, 25% filler and reinforcing agent, 28% softening plasticizer, 3% activator, and 3% vulcanizer by percentage; among which:

[0058] The raw rubber grade of EPDM is LANXESS EP4869C and Kumho's KEP330 rubber is used as the main material of the rubber compound. It has a high ethylene content, high wear resistance, metal adhesion and good physical and mechanical properties.

[0059] The filler and reinforcing agent is Cabot N550, which can meet the performance and processing requirements of rubber;

[0060] The softening plasticizer is Aidier paraffin oil PB2251, which ensures that the dynamic properties of the rubber are not reduced and improves the processability of the rubber;

[0061] The vulcanizing agent is a vulcanizing agent masterbatch produced for Suzhou Sinos, which ensures the dispersibility and good physical and mechanical properties of the rubber compound;

[0062] The compounding agents are active oxidizing agents, polyethylene glycol, and stearic acid;

[0063] The ratio of carbon black to EPDM rubber is at least 1:1.6, which ensures that the processing performance is improved on the basis of the rubber meeting the performance requirements.

[0064] Example 5

[0065] The raw materials include 41% EPDM rubber, 25% filler and reinforcing agent, 28% softener and plasticizer, 3% activator and 3% vulcanizer by percentage; among which:

[0066] The raw rubber grade of EPDM is LANXESS EP4869C and Kumho's KEP330 rubber is used as the main material of the rubber compound. It has a high ethylene content, high wear resistance, metal adhesion and good physical and mechanical properties.

[0067] The filler and reinforcing agent is Cabot N550, which can meet the performance and processing requirements of rubber;

[0068] The softening plasticizer is Aidier paraffin oil PB2251, which ensures that the dynamic properties of the rubber are not reduced and improves the processability of the rubber;

[0069] The vulcanizing agent is a vulcanizing agent masterbatch produced for Suzhou Sinos, which ensures the dispersibility and good physical and mechanical properties of the rubber compound;

[0070] The compounding agents are active oxidizing agents, polyethylene glycol, and stearic acid;

[0071] The ratio of carbon black to EPDM rubber is at least 1:1.6, which ensures that the processing performance is improved on the basis of the rubber meeting the performance requirements.

[0072] The EPDM rubber for high hardness and wear-resistant rubber roller comprises the following raw materials in percentage: 42% EPDM rubber, 22% filling and reinforcing agent, 30% softening plasticizer, zinc oxide, polyethylene glycol, 3% stearic acid and 3% vulcanizing agent.

[0073] The raw materials of EPDM rubber used for medium and low voltage cable accessories include: 38% EPDM rubber, 26% filler and reinforcing agent, 31% softening plasticizer, zinc oxide, polyethylene glycol, and 3% stearic acid.

[0074] A method for preparing an EPDM rubber material for a highly wear-resistant foam rubber roller comprises the following steps:

[0075] S1. According to the raw material ratio, EPDM rubber, filler and reinforcing agent, softener and plasticizer, and activator are weighed and mixed to form ingredient A, and vulcanizer is weighed to form ingredient B;

[0076] S2, first mixing: put ingredient A into internal mixer and mix for 60-90 seconds, then lift the hammer to clean, then press hammer to mix for 60-90 seconds and lift the hammer to clean again, the temperature is 140-150°C, then press hammer to mix for 60-80 seconds to discharge, the temperature is 150-170°C, and then put it into the cutting machine to make mixed rubber A;

[0077] S3, second mixing: the rubber compound A and ingredient B obtained in the second mixing are put into an internal mixer for mixing for 30 to 40 seconds, and then continue mixing for 30 to 50 seconds after cleaning, and then unload the material onto a cutting machine for sheeting, thereby completing the preparation.

[0078] Table 1 shows the mass percentage of each component in Examples 1 to 5

[0079]

[0080] Table 2 shows the mixing time of Examples 1 to 5.

[0081]

[0082] Table 3 is the test results of physical properties of rubber products of Examples 1 to 5

[0083]

[0084] The formula of EPDM foam roller needs to meet the following requirements:

[0085] Hardness 40-50 degrees (Shore, A); tensile strength ≥7MPa; elongation at break ≥200%; density 0.5±0.1g / cm3; Akron abrasion ≤0.3cm3, pore structure closed cell.

[0086] It can be seen from Table 3 that the rubber products of Examples 1 to 5 of the present invention have the characteristics of high wear resistance, high friction resistance, acid and alkali resistance, good recovery, etc., can be used for a long time under the use environment, and are suitable for high wear-resistant foam rubber rollers.

[0087] A preparation device for an EPDM rubber material for a highly wear-resistant foam rubber roller comprises an internal mixer 1 and an operation panel 2 for controlling the internal mixer 1, wherein the operation panel 2 is arranged on a mounting seat 3, a support plate 4 for covering an operation area of ​​the operation panel 2 is hingedly connected to one side of the mounting seat 3, a sleeve 5 is arranged at the bottom of the mounting seat 3, a support tube 6 is rotatably connected to the bottom of the sleeve 5 and is used to support the rotation of the mounting seat 3, the rotation angle is less than or equal to plus or minus 150 degrees, the mounting seat 3 is used to support the rotation of the operation panel 2, a rubber layer is arranged at the top of the support plate 5, a magnetic block 7 for magnetically connecting the outer shell of the control panel 2 is arranged on the support plate 5 on one side of the rubber layer, the rotation angle of the support plate 5 is less than or equal to ninety degrees, a limiting step is arranged at the bottom of the support plate 5, and the support plate 5 is limited to continue to rotate downward when it rotates to the horizontal, the bottom of the support tube 6 is fixedly connected to the internal mixer 1, and a rubber sleeve 8 for frictionally contacting the inner wall of the sleeve 5 is sleeved on the outer wall of the top of the support tube 6, and the rubber sleeve 8 is a non-slip and wear-resistant rubber sleeve.

[0088] Pour the material into the internal mixer 1, use the control panel 2 to control the internal mixer to process the material, adjust the control panel 2 according to the use requirements, rotate the mounting seat 3, the mounting seat 3 rotates on the support tube 6 through the sleeve 5, the sleeve 5 rotates and rubs against the rubber sleeve to prevent the sleeve 5 from rotating at will, the mounting seat 3 rotates and the control panel 2 follows the rotation to adjust the angle, the user can place the data on the horizontal support plate 4, after the equipment is used, push the support plate 4 upward, the support plate 4 flips to the side of the control panel 2, covers the side of the operation area of ​​the control panel 2, so that the angle of the control panel 2 can be adjusted, it is convenient to place the data when in use, and avoid accidentally touching the control panel 2 when idle.

[0089] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An EPDM rubber material for a highly wear-resistant foam rubber roller, characterized in that: Relative to the total mass of 100% of the EPDM rubber material for the high wear-resistant foam rubber roller, the EPDM rubber material for the high wear-resistant foam rubber roller comprises the following components by mass percentage: 38-42% of EPDM rubber, 22-26% of a filling and reinforcing agent, 28-32% of a softening plasticizer, 3-3.4% of an activator, and 2.6-3% of a vulcanizing agent; The EPDM raw rubber grade is LANXESS EP4869C and Kumho KEP330; The filling and reinforcing agent is Cabot N550; The softening plasticizer is Aidier paraffin oil PB2251; The vulcanizing agent is a vulcanizing agent masterbatch; The compounding agents are active oxidizing agents, polyethylene glycol, and stearic acid; The ratio of carbon black to EPDM rubber is at least 1:1.

6.

2. The EPDM rubber material for a highly wear-resistant foamed rubber roller according to claim 1, characterized in that: The raw materials include, by percentage, 38% of EPDM rubber, 24% of filler and reinforcing agent, 32% of softening plasticizer, 3% of activator and 3% of vulcanizer.

3. The EPDM rubber material for a highly wear-resistant foamed rubber roller according to claim 1, characterized in that: The raw materials include, by percentage, 39% of EPDM rubber, 24% of filler and reinforcing agent, 31% of softening plasticizer, 3% of activator and 3% of vulcanizer.

4. The EPDM rubber material for a highly wear-resistant foamed rubber roller according to claim 1, characterized in that: The raw materials include, by percentage, 40% of EPDM rubber, 23% of filler and reinforcing agent, 31% of softening plasticizer, 3% of activator and 3% of vulcanizer.

5. The EPDM rubber material for a highly wear-resistant foamed rubber roller according to claim 1, characterized in that: The raw materials include, by percentage, 41% of EPDM rubber, 25% of filler and reinforcing agent, 28% of softening plasticizer, 3% of activator and 3% of vulcanizer.

6. The EPDM rubber material for a highly wear-resistant foamed rubber roller according to claim 1, characterized in that: The raw materials include, by percentage, 41% of EPDM rubber, 25% of filler and reinforcing agent, 28% of softening plasticizer, 3% of activator and 3% of vulcanizer.

7. A method for preparing the EPDM rubber material for a high wear-resistant foamed rubber roller according to any one of claims 1 to 6, characterized in that: The specific steps include: S1. According to the raw material ratio, EPDM rubber, filler and reinforcing agent, softener and plasticizer, and activator are weighed and mixed to form ingredient A, and vulcanizer is weighed to form ingredient B; S2, first mixing: put ingredient A into internal mixer and mix for 60-90 seconds, then lift the hammer to clean, then press hammer to mix for 60-90 seconds and lift the hammer to clean again, the temperature is 140-150°C, then press hammer to mix for 60-80 seconds to discharge, the temperature is 150-170°C, and then put it into the cutting machine to make mixed rubber A; S3, second mixing: the rubber compound A and ingredient B obtained in the second mixing are put into an internal mixer for mixing for 30 to 40 seconds, and then continue mixing for 30 to 50 seconds after cleaning, and then unload the material onto a cutting machine for sheeting, thereby completing the preparation.

8. A preparation device for the EPDM rubber material for a high wear-resistant foamed rubber roller according to any one of claims 1 to 6, comprising an internal mixer (1) and a control panel (2) for controlling the internal mixer (1), characterized in that: The control panel (2) is arranged on a mounting seat (3); a support plate (4) for covering an operating area of ​​the control panel (2) is hingedly connected to one side of the mounting seat (3); a sleeve (5) is provided at the bottom of the mounting seat (3); a support tube (6) is rotatably clamped at the bottom of the sleeve (5) and is used to support the rotation of the mounting seat (3).

9. The equipment for preparing EPDM rubber material for high wear-resistant foamed rubber roller according to claim 8, characterized in that: The mounting seat (3) is used to support the rotation of the control panel (2); a rubber layer is provided on the top of the support plate (5); the rotation angle of the support plate (5) is less than or equal to ninety degrees; and a limiting step is provided on the bottom of the support plate (5).

10. The equipment for preparing EPDM rubber material for high wear-resistant foam rubber roller according to claim 8, characterized in that: The bottom of the support tube (6) is fixedly connected to the internal mixer (1), and the top outer wall of the support tube (6) is sleeved with a rubber sleeve (8) for frictionally contacting the inner wall of the sleeve (5), and the rubber sleeve (8) is a non-slip and wear-resistant rubber sleeve.

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