CN104961978A - Silicone rubber high temperature-resistant conveyor belt - Google Patents
Silicone rubber high temperature-resistant conveyor belt Download PDFInfo
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- CN104961978A CN104961978A CN201510394981.7A CN201510394981A CN104961978A CN 104961978 A CN104961978 A CN 104961978A CN 201510394981 A CN201510394981 A CN 201510394981A CN 104961978 A CN104961978 A CN 104961978A
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- silicone rubber
- high temperature
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- conveyor belt
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
A silicone rubber high temperature-resistant conveyor belt consists of the following components in part by weight: 65 to 70 parts of ethylene-propylene-diene monomer, 30 to 35 parts of silicone rubber, 2 parts of vulcanizer, 3.5 parts of accelerant, 2.5 parts of solubilizer, 6 parts of Si-69 silane coupling agent, 60 parts of fortifier, 4.5 to 5 parts of antiager, 10 to 20 parts of activator, 3.5 parts of microcrystalline wax and 10 parts of coumarone. The silicone rubber high temperature-resistant conveyor belt has the beneficial effects that the problem of difficulty in mixing the ethylene-propylene-diene monomer and the silicone rubber is solved, rubber master batch adopts the ethylene-propylene-diene monomer and the silicone rubber which are mixed, so that the conveyor belt has good mechanical properties and burning resistance, high thermal decomposition temperature, better interface binding property and high temperature combustion gas erosion resistance, the service life of the conveyor belt under high temperature environment is prolonged, the production cost is reduced, and the production efficiency is improved.
Description
Technical field
The present invention relates to tape carrier technical field, is more particularly a kind of silicone rubber high temperature resistant conveying belt.
Background technology
The high temperature-resistance conveyor belt of prior art is in order to reach resistant to elevated temperatures requirement, generally set up thermofin on the top layer of conveying belt or use coking agent to make the method for belt body superficial charring and thermal resistance, but the deficiency of above two kinds of methods is, the band surface layer of conveying belt usually comes unstuck, layering or fracture thus cause the damage of belt body, once there is belt body damage will bring larger security incident, bring larger financial loss to whole transportation engineering.
Summary of the invention
For solving the problem, the present invention devise a kind ofly there will not be belt body to come unstuck, silicon rubber conveyor belt for die that layering, fracture cause conveying belt belt body to damage, its technical scheme is: silicone rubber high temperature resistant conveying belt of the present invention, be made up of the component of following parts by weight: Ethylene Propylene Terpolymer 65 ~ 70 parts, 30 ~ 35 parts, silicon rubber, vulcanizing agent 2 parts, promotor 3.5 parts, expanding material 2.5 parts, Si-69 silane coupling agent 6 parts, strengthening agent 60 parts, 4.5 ~ 5 parts, anti-aging agent, promoting agent 10 ~ 20 parts, Microcrystalline Wax 3.5 parts, coumarone 10 parts.
Preferably, described strengthening agent is made up of strengthening agent N220, white carbon black, described strengthening agent N220: white carbon black=5:1, the use of N220 can improving product performance greatly, and N220 particle size carbon black is little, and product is fine and close, reduce entering of oxygen, and white carbon black can promote film cement properties as strengthening agent, and its compactness not only increasing product used in combination, and improve film cement properties.
Preferably, described promoting agent is made up of zinc oxide, stearic acid, and described zinc oxide is 10 parts, stearic acid be 5 parts or zinc oxide is 15 parts, stearic acid is 5 parts.
Preferably, described anti-aging agent is made up of anti-aging agent RD, antioxidant 4020, antioxidant MB, described anti-aging agent RD: antioxidant 4020: antioxidant MB=1:1:1 or 4:3:3 or 2:2:1; Anti-aging agent RD, antioxidant 4020 and antioxidant MB are all good thermo-oxidative ageing protective agents, adopt these three kinds of anti-aging agent and use, make it have better anti-oxidation effect, according to its structure properties and dispersion complexity, design above-mentioned optimal proportion.
Preferably, described vulcanizing agent is dicumyl peroxide.
Preferably, described promotor is made up of Vulcanization accelerator TMTD and accelerant CZ, described Vulcanization accelerator TMTD: accelerant CZ=4:3; Should adopt the vulcanization system that how short few sulphur is in heat-resisting sizing material, in vulcanized rubber, the bond energy of C-C key so as far as possible few use sulfuration, improves the resistance toheat of product higher than C-S key or S-S key.
Silicone rubber high temperature resistant conveying belt preparation method of the present invention, comprises the following steps:
1) one section mixing: first silicon rubber and Ethylene Propylene Terpolymer are carried out plasticating 30 seconds on a mill until, rotating speed 40 r/min; Then add promoting agent, expanding material, the mixing 60S of anti-aging agent in proportion, then add the mixing 100S of strengthening agent, discharge when temperature is 130 DEG C, enters two-stage mixing;
2) two-stage mixing: get step 1) rubber unvulcanizate prepared, then add vulcanizing agent and promotor, mixing 55 ~ 65 seconds, discharge when temperature is about 100 DEG C.
The invention has the beneficial effects as follows silicone rubber high temperature resistant conveying belt, solve the difficult problem that Ethylene Propylene Terpolymer mixes with silicon rubber, rubber master batch adopts Ethylene Propylene Terpolymer and silicon rubber mixing, the conveying belt of material of the present invention is made to have good mechanical property, resistance toly burn performance, high, the good interfacial bond property of heat decomposition temperature and high temperature resistance combustion gas performance of flushing, add conveying belt work-ing life in high temperature environments, decrease production cost, improve production efficiency.
embodiment:
Describe in further detail the present invention, so that the public grasps implementation method of the present invention better, specific embodiment of the present invention is in conjunction with the embodiments:
embodiment 1
1) open mill, regulate temperature, when temperature is raised to about 70 DEG C, by 65 parts of Ethylene Propylene Terpolymer, 35 parts of silicon rubber are put into mill and are plasticated, and feed in raw material after the good bag roller of rubber master batch again;
2) various Synergist S-421 95 is added successively: 10 parts of zinc oxide, 5 parts of stearic acid, 2.5 parts of expanding materials, 6 parts of Si-69 silane coupling agents, 10 parts of coumarones, 3.5 parts of Microcrystalline Waxes, 1.5 parts of anti-aging agent RDs, 1.5 parts of antioxidant 4020s, 1.5 parts of antioxidant MBs, 50 parts of strengthening agent N220,10 parts of white carbon blacks, 2 parts of Vulcanization accelerator TMTDs, 1.5 parts of accelerant CZs, 2 parts of dicumyl peroxides, fully mixing rubber unvulcanizate, thin-pass 5 bottom sheet are stand-by;
3) by the film that mixes by mill, make the unvulcanized film of 2mm × 100mm × 100mm, sulfuration in vulcanizer, cure conditions is 147 DEG C, 30min, film complete for sulfuration is cut into dumbbell shaped stand-by;
4) utilize 401A climatic chamber aging, aging condition is 200 DEG C, 168h, and does test piece tension test with aging front film after aging, and record data also insert form.
embodiment 2
1) open mill, regulate temperature, when temperature is raised to about 70 DEG C, by 70 parts of Ethylene Propylene Terpolymer, 30 parts of silicon rubber are put into mill and are plasticated, and feed in raw material after the good bag roller of rubber master batch again;
2) various Synergist S-421 95 is added successively: 10 parts of zinc oxide, 5 parts of stearic acid, 2.5 parts of expanding materials, 6 parts of Si-69 silane coupling agents, 10 parts of coumarones, 3.5 parts of Microcrystalline Waxes, 1.5 parts of anti-aging agent RDs, 1.5 parts of antioxidant 4020s, 1.5 parts of antioxidant MBs, 50 parts of strengthening agent N220,10 parts of white carbon blacks, 2 parts of Vulcanization accelerator TMTDs, 1.5 parts of accelerant CZs, 2 parts of dicumyl peroxides, fully mixing rubber unvulcanizate, thin-pass 5 bottom sheet are stand-by;
3) by the film that mixes by mill, make the unvulcanized film of 2mm × 100mm × 100mm, sulfuration in vulcanizer, cure conditions is 147 DEG C, 30min.Film complete for sulfuration is cut into dumbbell shaped stand-by;
4) utilize 401A climatic chamber aging, aging condition is 200 DEG C, 168h, and does test piece tension test with aging front film after aging, and record data also insert form.
embodiment 3
1) open mill, regulate temperature, when temperature is raised to about 70 DEG C, by 70 parts of Ethylene Propylene Terpolymer, 30 parts of silicon rubber are put into mill and are plasticated, and feed in raw material after the good bag roller of rubber master batch again;
2) various Synergist S-421 95 is added successively: 15 parts of zinc oxide, 5 parts of stearic acid, 2.5 parts of expanding materials, 6 parts of Si-69 silane coupling agents, 10 parts of coumarones, 3.5 parts of Microcrystalline Waxes, 1.5 parts of anti-aging agent RDs, 1.5 parts of antioxidant 4020s, 1.5 parts of antioxidant MBs, 50 parts of strengthening agent N220,10 parts of white carbon blacks, 2 parts of Vulcanization accelerator TMTDs, 1.5 parts of accelerant CZs, 2 parts of dicumyl peroxides, fully mixing rubber unvulcanizate, thin-pass 5 bottom sheet are stand-by;
3) by the film that mixes by mill, make the unvulcanized film of 2mm × 100mm × 100mm, sulfuration in vulcanizer, cure conditions is 147 DEG C, 30min.Film complete for sulfuration is cut into dumbbell shaped stand-by;
4) utilize 401A climatic chamber aging, aging condition is 200 DEG C, 168h, and does test piece tension test with aging front film after aging, and record data also insert form.
embodiment 4
1) open mill, regulate temperature, when temperature is raised to about 70 DEG C, by 70 parts of Ethylene Propylene Terpolymer, 30 parts of silicon rubber are put into mill and are plasticated, and feed in raw material after the good bag roller of rubber master batch again;
2) various Synergist S-421 95 is added successively: 15 parts of zinc oxide, 5 parts of stearic acid, 2.5 parts of expanding materials, 6 parts of Si-69 silane coupling agents, 10 parts of coumarones, 3.5 parts of Microcrystalline Waxes, 2 parts of anti-aging agent RDs, 2 parts of antioxidant 4020s, 1 part of antioxidant MB, 50 parts of strengthening agent N220,10 parts of white carbon blacks, 2 parts of Vulcanization accelerator TMTDs, 1.5 parts of accelerant CZs, 2 parts of dicumyl peroxides, fully mixing rubber unvulcanizate, thin-pass 5 bottom sheet are stand-by;
3) by the film that mixes by mill, make the unvulcanized film of 2mm × 100mm × 100mm, sulfuration in vulcanizer, cure conditions is 147 DEG C, 30min.Film complete for sulfuration is cut into dumbbell shaped stand-by;
4) utilize 401A climatic chamber aging, aging condition is 200 DEG C, 168h, and does test piece tension test with aging front film after aging, and record data also insert form.
embodiment 5
1) open mill, regulate temperature, when temperature is raised to about 70 DEG C, by 70 parts of Ethylene Propylene Terpolymer, 30 parts of silicon rubber are put into mill and are plasticated, and feed in raw material after the good bag roller of rubber master batch again;
2) various Synergist S-421 95 is added successively: 15 parts of zinc oxide, 5 parts of stearic acid, 2.5 parts of expanding materials, 6 parts of Si-69 silane coupling agents, 10 parts of coumarones, 3.5 parts of Microcrystalline Waxes, 2 parts of anti-aging agent RDs, 1.5 parts of antioxidant 4020s, 1.5 parts of antioxidant MBs, 50 parts of strengthening agent N220,10 parts of white carbon blacks, 2 parts of Vulcanization accelerator TMTDs, 1.5 parts of accelerant CZs, 2 parts of dicumyl peroxides, fully mixing rubber unvulcanizate, thin-pass 5 bottom sheet are stand-by;
3) by the film that mixes by mill, make the unvulcanized film of 2mm × 100mm × 100mm, sulfuration in vulcanizer, cure conditions is 147 DEG C, 30min.Film complete for sulfuration is cut into dumbbell shaped stand-by;
4) utilize 401A climatic chamber aging, aging condition is 200 DEG C, 168h, and does test piece tension test with aging front film after aging, and record data also insert form.
The Performance comparision of design implementation profit of the present invention and currently available products is as following table:
And contrast can find out by the testing data of embodiment of the present invention experimental data and currently available products, film resistance toheat in currently available products declines comparatively large, thus demonstrates the high-temperature heat-resistance of formula of the present invention to conveying belt and play significant effect.
Claims (6)
1. silicone rubber high temperature resistant conveying belt, it is characterized in that being made up of the component of following parts by weight: Ethylene Propylene Terpolymer 65 ~ 70 parts, 30 ~ 35 parts, silicon rubber, vulcanizing agent 2 parts, promotor 3.5 parts, solubilizing agent 2.5 parts, Si-69 silane coupling agent 6 parts, strengthening agent 60 parts, 4.5 ~ 5 parts, anti-aging agent, promoting agent 10 ~ 20 parts, Microcrystalline Wax 3.5 parts, coumarone 10 parts.
2. silicone rubber high temperature resistant conveying belt according to claim 1, is characterized in that described strengthening agent is made up of strengthening agent N220, white carbon black, described strengthening agent N220: white carbon black=5:1.
3. silicone rubber high temperature resistant conveying belt according to claim 1, is characterized in that described promoting agent is made up of zinc oxide, stearic acid, and described zinc oxide is 10 parts, stearic acid be 5 parts or zinc oxide is 15 parts, stearic acid is 5 parts.
4. silicone rubber high temperature resistant conveying belt according to claim 1, is characterized in that described anti-aging agent is made up of anti-aging agent RD, antioxidant 4020, antioxidant MB, described anti-aging agent RD: antioxidant 4020: antioxidant MB=1:1:1 or 4:3:3 or 2:2:1.
5. silicone rubber high temperature resistant conveying belt according to claim 1, is characterized in that described promotor is made up of Vulcanization accelerator TMTD and accelerant CZ, described Vulcanization accelerator TMTD: accelerant CZ=4:3.
6. silicone rubber high temperature resistant conveying belt according to claim 1, is characterized in that described vulcanizing agent is dicumyl peroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510394981.7A CN104961978A (en) | 2015-07-08 | 2015-07-08 | Silicone rubber high temperature-resistant conveyor belt |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510394981.7A CN104961978A (en) | 2015-07-08 | 2015-07-08 | Silicone rubber high temperature-resistant conveyor belt |
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| CN104961978A true CN104961978A (en) | 2015-10-07 |
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| CN201510394981.7A Pending CN104961978A (en) | 2015-07-08 | 2015-07-08 | Silicone rubber high temperature-resistant conveyor belt |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415726A (en) * | 2016-01-07 | 2016-03-23 | 马兴华 | Production method for high-temperature-resistant conveying belt |
| CN105968588A (en) * | 2016-05-25 | 2016-09-28 | 浙江三维橡胶制品股份有限公司 | Special conveyer belt for chemical fertilizer granulation tank |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60137645A (en) * | 1983-12-27 | 1985-07-22 | 横浜ゴム株式会社 | Heat-resistant conveyor belt |
| CN101028888A (en) * | 2007-03-23 | 2007-09-05 | 无锡市宝通带业有限公司 | High-temperature-resistant conveying belt |
| CN102061038A (en) * | 2010-12-18 | 2011-05-18 | 福建省工研苑塑胶技术研发有限公司 | Silicon rubber and EPDM mixed rubber and preparation method thereof |
| CN104212079A (en) * | 2014-09-16 | 2014-12-17 | 无锡宝通带业股份有限公司 | High-temperature-resistant conveying belt cover rubber and preparation method thereof |
| CN104495215A (en) * | 2014-10-21 | 2015-04-08 | 北京化工大学 | High-temperature-resistant rubber conveying belt and preparation method thereof |
-
2015
- 2015-07-08 CN CN201510394981.7A patent/CN104961978A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60137645A (en) * | 1983-12-27 | 1985-07-22 | 横浜ゴム株式会社 | Heat-resistant conveyor belt |
| CN101028888A (en) * | 2007-03-23 | 2007-09-05 | 无锡市宝通带业有限公司 | High-temperature-resistant conveying belt |
| CN102061038A (en) * | 2010-12-18 | 2011-05-18 | 福建省工研苑塑胶技术研发有限公司 | Silicon rubber and EPDM mixed rubber and preparation method thereof |
| CN104212079A (en) * | 2014-09-16 | 2014-12-17 | 无锡宝通带业股份有限公司 | High-temperature-resistant conveying belt cover rubber and preparation method thereof |
| CN104495215A (en) * | 2014-10-21 | 2015-04-08 | 北京化工大学 | High-temperature-resistant rubber conveying belt and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415726A (en) * | 2016-01-07 | 2016-03-23 | 马兴华 | Production method for high-temperature-resistant conveying belt |
| CN105968588A (en) * | 2016-05-25 | 2016-09-28 | 浙江三维橡胶制品股份有限公司 | Special conveyer belt for chemical fertilizer granulation tank |
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Application publication date: 20151007 |