WO2022127312A1 - 一种低滚筒阻力节能橡胶输送带及其覆盖胶 - Google Patents
一种低滚筒阻力节能橡胶输送带及其覆盖胶 Download PDFInfo
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- WO2022127312A1 WO2022127312A1 PCT/CN2021/123339 CN2021123339W WO2022127312A1 WO 2022127312 A1 WO2022127312 A1 WO 2022127312A1 CN 2021123339 W CN2021123339 W CN 2021123339W WO 2022127312 A1 WO2022127312 A1 WO 2022127312A1
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- Prior art keywords
- parts
- rubber
- saving
- conveyor belt
- covering
- Prior art date
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 138
- 239000005060 rubber Substances 0.000 title claims abstract description 138
- 239000000463 material Substances 0.000 claims abstract description 61
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 claims abstract description 54
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 29
- 239000005662 Paraffin oil Substances 0.000 claims abstract description 29
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 29
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 29
- 229920001194 natural rubber Polymers 0.000 claims abstract description 29
- 239000012188 paraffin wax Substances 0.000 claims abstract description 29
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 29
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 27
- 239000011593 sulfur Substances 0.000 claims abstract description 27
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims abstract description 27
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000006229 carbon black Substances 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims abstract description 18
- 239000012792 core layer Substances 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 238000005303 weighing Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000004513 sizing Methods 0.000 claims description 42
- 238000005056 compaction Methods 0.000 claims description 26
- 239000004927 clay Substances 0.000 claims description 25
- 229940126062 Compound A Drugs 0.000 claims description 17
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 239000003963 antioxidant agent Substances 0.000 claims description 13
- 230000003078 antioxidant effect Effects 0.000 claims description 13
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 claims description 13
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 claims description 11
- 238000004073 vulcanization Methods 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 3
- RRWFUWRLNIZICP-UHFFFAOYSA-N 1-bromo-2-phenoxybenzene Chemical compound BrC1=CC=CC=C1OC1=CC=CC=C1 RRWFUWRLNIZICP-UHFFFAOYSA-N 0.000 claims description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 2
- 238000004898 kneading Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 210000001161 mammalian embryo Anatomy 0.000 description 14
- 239000004744 fabric Substances 0.000 description 7
- 239000002356 single layer Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
-
- 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
Definitions
- the invention relates to the technical field of manufacturing rubber products, in particular to a low-roller resistance energy-saving rubber conveyor belt and a covering rubber (mixed rubber) for the low-roller resistance energy-saving rubber conveyor belt.
- the rubber conveyor belt is the main part of the belt conveyor. It is driven by the roller during operation and can transport materials. It is widely used in large-scale continuous transportation operations in coal, mining, metallurgy, chemical, construction and transportation sectors.
- Low roller resistance rubber conveyor belt also called energy-saving conveyor belt
- Low-roller resistance rubber conveyor belts usually consist of a core layer and cover rubber layers on the upper and lower sides of the core layer.
- the power consumption of the conveyor has a great relationship with the viscoelastic coefficient tan ⁇ /e' (1/3) of the covering rubber layer of the conveyor belt.
- the invention provides an energy-saving rubber conveyor belt with low roller resistance.
- the covering rubber layer material of the conveyor belt has a small viscoelastic coefficient, and the electric energy consumption of the conveyor is small during operation.
- the present invention also provides a covering rubber for energy-saving rubber conveyor belt with low roller resistance. Using the covering rubber to prepare the covering rubber layer of the conveyor belt can reduce the electric energy consumption of the conveyor during the operation of the rubber conveyor belt.
- the present invention provides the following technical solutions:
- a low-roller resistance energy-saving rubber conveyor belt comprising a core layer and a cover rubber layer arranged on both sides of the core layer; the cover rubber layer is prepared according to the following method steps:
- S1 respectively take by weight the raw materials for preparing the covering rubber layer, the details are as follows: 50-60 parts of butadiene rubber, 30-40 parts of natural rubber, 5-8 parts of white carbon black, 5-8 parts of sulfur, chlorinated paraffin 0.2-0.3 part, decabromodiphenyl ether 0.1-0.3 part, paraffin oil 0.2-0.4 part, liquid coumarone 0.3-0.6 part, clay 0.5-0.8 part, accelerator TMTD 1-2 part, anti-aging agent MB 0.6- 1 part, antioxidant RD 0.2-0.6 part;
- the rubber compound A is sequentially cut, rolled, and triangularly wrapped for 3-5 times to obtain the rubber compound B;
- the temperature of the mixing room is raised to 60 ⁇ 5°C, and then the rubber compound C, as well as white carbon black, sulfur, chlorinated paraffin, decabromodiphenyl ether, paraffin oil, liquid coumarone, clay, accelerator TMTD, anti-aging agent MB and anti-aging agent RD are put into the mixing chamber for mixing, mixing for 120-150 seconds, and the thickness of the sheet is controlled to be 2.2 ⁇ 0.1mm to obtain a mixed rubber, which is kept at room temperature for at least 24 hours for use;
- step S6 compound the rubber compound obtained in step S5 and the core layer on a preforming production line to form a strip, and then use a flat vulcanizer to control the vulcanization conditions to be 150-155°C ⁇ 30-35min to vulcanize and form to obtain a product.
- the raw materials for the covering rubber are as follows: 50 parts of cis-butadiene rubber, 30 parts of natural rubber, 5 parts of white carbon black, 6 parts of sulfur, and 0.2 parts of chlorinated paraffin , Decabromodiphenyl ether 0.2 parts, paraffin oil 0.3 parts, liquid coumarone 0.3 parts, clay 0.5 parts, accelerator TMTD 1.5 parts, antioxidant MB 0.8 parts, antioxidant RD 0.3 parts.
- the plasticizing time is 30-40 min.
- the rubber compound A is sequentially cut, rolled, and punched for 5 times to obtain the rubber compound B;
- the rubber compound C is obtained by placing at room temperature for 24 hours after compaction.
- the mixing time is 120 seconds, and the thickness of the sheet is controlled to be 2.2 mm to obtain a mixed rubber.
- the vulcanization condition is controlled to be 155° C. ⁇ 30 min.
- the present invention provides the following technical solutions:
- Covering glue for low roller resistance energy-saving rubber conveyor belt which is prepared according to the following method steps:
- S1 take by weighing raw materials according to parts by weight, as follows: 50-60 parts of cis-butadiene rubber, 30-40 parts of natural rubber, 5-8 parts of white carbon black, 5-8 parts of sulfur, 0.2-0.3 parts of chlorinated paraffin, ten parts Bromodiphenyl ether 0.1-0.3 part, paraffin oil 0.2-0.4 part, liquid coumarone 0.3-0.6 part, clay 0.5-0.8 part, accelerator TMTD 1-2 part, anti-aging agent MB 0.6-1 part, anti-aging agent RD 0.2-0.6 servings;
- the rubber compound A is sequentially cut, rolled, and triangularly wrapped for 3-5 times to obtain the rubber compound B;
- the temperature of the mixing room is raised to 60 ⁇ 5°C, and then the rubber compound C, as well as white carbon black, sulfur, chlorinated paraffin, decabromodiphenyl ether, paraffin oil, liquid coumarone, clay, accelerator TMTD, anti-aging agent MB and antioxidant RD are put into the mixing chamber for mixing, mixing for 120-150 seconds, and the thickness of the sheet is controlled to be 2.2 ⁇ 0.1mm, that is, it is obtained.
- the raw materials for covering rubber are as follows: 50 parts of cis-butadiene rubber, 30 parts of natural rubber, 5 parts of silica, 6 parts of sulfur, 0.2 parts of chlorinated paraffin, 0.2 parts of decabromodi 0.2 part of phenyl ether, 0.3 part of paraffin oil, 0.3 part of liquid coumarone, 0.5 part of clay, 1.5 part of accelerator TMTD, 0.8 part of antioxidant MB, 0.3 part of antioxidant RD;
- plasticizing time is 30-40min
- the sizing material A is sequentially cut, rolled, and triangularly wrapped for 5 times to obtain the sizing material B;
- step S4 after compaction, place at room temperature for 24 hours to obtain sizing material C;
- the kneading time is 120 seconds, and the thickness of the sheet is controlled to be 2.2 mm.
- the rubber of the conveyor belt covering layer is made of cis-butadiene rubber and natural rubber as raw rubber, and mixed with clay, matched with chlorinated paraffin, decabromodiphenyl ether, paraffin oil, Specific auxiliary materials such as liquid coumarone, specific material formula and process steps make the viscoelastic coefficient of the finished rubber small, so that the running resistance of the conveyor roller is small, and the energy consumption of the conveyor is low.
- S1 take by weighing raw materials according to parts by weight, specifically as follows: 50 parts of butadiene rubber, 30 parts of natural rubber, 5 parts of white carbon black, 6 parts of sulfur, 0.2 part of chlorinated paraffin, 0.2 part of decabromodiphenyl ether, 0.3 part of paraffin oil 0.3 part of liquid coumarone, 0.5 part of clay, 1.5 part of accelerator TMTD, 0.8 part of antioxidant MB, 0.3 part of antioxidant RD;
- S3 sizing material A is sequentially cut, rolled, and punched for 5 times to obtain sizing material B;
- the temperature of the mixing room is raised to 60°C, and then the rubber compound C, as well as silica, sulfur, chlorinated paraffin, decabromodiphenyl ether, paraffin oil, liquid coumarone, clay, accelerator TMTD, anti-aging agent MB and The anti-aging agent RD is put into the mixing chamber for mixing, mixing for 120 seconds, and the thickness of the sheet is controlled to be 2.2 mm, that is, it is obtained.
- the compounded rubber prepared above (placed at room temperature for 24 hours after sheeting) and the core layer material (single-layer fabric) are compounded on the pre-forming production line to form a belt embryo, and then the belt embryo is vulcanized on a flat vulcanizing machine (vulcanization conditions). 155°C ⁇ 30min) to obtain the product.
- Embodiment 2 is a diagrammatic representation of Embodiment 1:
- S1 weigh raw materials according to parts by weight, the details are as follows: 50 parts of butadiene rubber, 40 parts of natural rubber, 5 parts of white carbon black, 8 parts of sulfur, 0.2 part of chlorinated paraffin, 0.1 part of decabromodiphenyl ether, 0.2 part of paraffin oil 0.6 part of liquid coumarone, 0.5 part of clay, 1 part of accelerator TMTD, 0.6 part of antioxidant MB, 0.6 part of antioxidant RD;
- S3 sizing material A is sequentially cut, rolled, and punched for 5 times to obtain sizing material B;
- the temperature of the mixing room is raised to 60°C, and then the rubber compound C, as well as silica, sulfur, chlorinated paraffin, decabromodiphenyl ether, paraffin oil, liquid coumarone, clay, accelerator TMTD, anti-aging agent MB and The anti-aging agent RD is put into the mixing chamber for mixing, mixing for 120 seconds, and the thickness of the sheet is controlled to be 2.2 mm, that is, it is obtained.
- the compounded rubber prepared above (placed at room temperature for 24 hours after sheeting) and the core layer material (single-layer fabric) are compounded on the pre-forming production line to form a belt embryo, and then the belt embryo is vulcanized on a flat vulcanizing machine (vulcanization conditions). 155°C ⁇ 30min) to obtain the product.
- S1 take by weighing raw materials according to parts by weight, specifically as follows: 55 parts of butadiene rubber, 30 parts of natural rubber, 6 parts of white carbon black, 6 parts of sulfur, 0.3 part of chlorinated paraffin, 0.1 part of decabromodiphenyl ether, 0.4 part of paraffin oil 0.3 part of liquid coumarone, 0.5 part of clay, 1.5 part of accelerator TMTD, 1 part of anti-aging agent MB, and 0.2 part of anti-aging agent RD;
- S3 sizing material A is sequentially cut, rolled, and punched for 5 times to obtain sizing material B;
- the temperature of the mixing room is raised to 60°C, and then the rubber compound C, as well as silica, sulfur, chlorinated paraffin, decabromodiphenyl ether, paraffin oil, liquid coumarone, clay, accelerator TMTD, anti-aging agent MB and The anti-aging agent RD is put into the mixing chamber for mixing, mixing for 140 seconds, and the thickness of the sheet is controlled to be 2.3 mm, that is, it is obtained.
- the compounded rubber prepared above (placed at room temperature for 24 hours after sheeting) and the core layer material (single-layer fabric) are compounded into a belt embryo on a preforming production line, and then the belt embryo is vulcanized on a flat vulcanizing machine (vulcanization conditions). 155°C ⁇ 30min) to obtain the product.
- Embodiment 4 is a diagrammatic representation of Embodiment 4:
- S1 take by weighing raw materials according to parts by weight, specifically as follows: 60 parts of butadiene rubber, 35 parts of natural rubber, 8 parts of white carbon black, 7 parts of sulfur, 0.25 part of chlorinated paraffin, 0.2 part of decabromodiphenyl ether, 0.3 part of paraffin oil parts, 0.5 parts of liquid coumarone, 0.7 parts of clay, 2 parts of accelerator TMTD, 1 part of anti-aging agent MB, 0.6 part of anti-aging agent RD;
- S3 sizing material A is sequentially cut, rolled, and punched for 5 times to obtain sizing material B;
- the mixing room is heated to 65°C, and then the rubber compound C, as well as silica, sulfur, chlorinated paraffin, decabromodiphenyl ether, paraffin oil, liquid coumarone, clay, accelerator TMTD, antioxidant MB and The anti-aging agent RD is put into the mixing chamber for mixing, mixing for 120 seconds, and the thickness of the sheet is controlled to be 2.2 mm, that is, it is obtained.
- the compounded rubber prepared above (placed at room temperature for 24 hours after sheeting) and the core layer material (single-layer fabric) are compounded on the pre-forming production line to form a belt embryo, and then the belt embryo is vulcanized on a flat vulcanizing machine (vulcanization conditions). 150°C ⁇ 35min) to obtain the product.
- Embodiment 5 is a diagrammatic representation of Embodiment 5:
- S1 take by weighing raw materials according to parts by weight, specifically as follows: 60 parts of butadiene rubber, 35 parts of natural rubber, 8 parts of white carbon black, 7 parts of sulfur, 0.25 part of chlorinated paraffin, 0.2 part of decabromodiphenyl ether, 0.3 part of paraffin oil 0.5 part of liquid coumarone, 0.7 part of clay, 1.5 part of accelerator TMTD, 1 part of anti-aging agent MB, and 0.6 part of anti-aging agent RD;
- S3 sizing material A is sequentially cut, rolled, and triangularly wrapped 3 times to obtain sizing material B;
- the mixing room is heated to 65°C, and then the rubber compound C, as well as silica, sulfur, chlorinated paraffin, decabromodiphenyl ether, paraffin oil, liquid coumarone, clay, accelerator TMTD, antioxidant MB and The anti-aging agent RD is put into the mixing chamber for mixing, mixing for 120 seconds, and the thickness of the sheet is controlled to be 2.2 mm, that is, it is obtained.
- the compounded rubber prepared above (placed at room temperature for 24 hours after sheeting) and the core layer material (single-layer fabric) are compounded on the pre-forming production line to form a belt embryo, and then the belt embryo is vulcanized on a flat vulcanizing machine (vulcanization conditions). 150°C ⁇ 35min) to obtain the product.
- Embodiment 6 is a diagrammatic representation of Embodiment 6
- S1 take by weighing raw materials according to parts by weight, specifically as follows: 55 parts of butadiene rubber, 35 parts of natural rubber, 5 parts of white carbon black, 7 parts of sulfur, 0.3 part of chlorinated paraffin, 0.2 part of decabromodiphenyl ether, 0.3 part of paraffin oil 0.5 part of liquid coumarone, 0.8 part of clay, 1.8 part of accelerator TMTD, 0.8 part of antioxidant MB, 0.5 part of antioxidant RD;
- S3 sizing material A is sequentially cut, rolled, and punched for 4 times to obtain sizing material B;
- the temperature of the mixing room is raised to 55°C, and then the rubber compound C, as well as silica, sulfur, chlorinated paraffin, decabromodiphenyl ether, paraffin oil, liquid coumarone, clay, accelerator TMTD, anti-aging agent MB and The anti-aging agent RD is put into the mixing chamber for mixing, mixing for 150 seconds, and the thickness of the sheet is controlled to be 2.3 mm, that is, it is obtained.
- the compounded rubber prepared above (placed at room temperature for 24 hours after sheeting) and the core layer material (single-layer fabric) are compounded into a belt embryo on a preforming production line, and then the belt embryo is vulcanized on a flat vulcanizing machine (vulcanization conditions). 152°C ⁇ 33min) to obtain the product.
- S1 take by weighing raw materials according to parts by weight, specifically as follows: 80 parts of butadiene rubber, 20 parts of natural rubber, 8 parts of white carbon black, 8 parts of sulfur, 0.3 part of chlorinated paraffin, 0.4 part of paraffin oil, 1.5 part of accelerator TMTD, 1 part of antioxidant MB, 0.6 part of antioxidant RD;
- S3 sizing material A is sequentially cut, rolled, and punched for 4 times to obtain sizing material B;
- the temperature of the mixing chamber is raised to 60°C, and then the rubber compound C, white carbon black, sulfur, chlorinated paraffin, paraffin oil, accelerator TMTD, antioxidant MB and antioxidant RD are put into the mixing chamber for mixing, Mix for 120 seconds, and control the thickness of the sheet to be 2.2mm.
- the compounded rubber prepared above (placed at room temperature for 24 hours after sheeting) and the core layer material (single-layer fabric) are compounded on the pre-forming production line to form a belt embryo, and then the belt embryo is vulcanized on a flat vulcanizing machine (vulcanization conditions). 155°C ⁇ 30min) to obtain the product of the comparative example.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Belt Conveyors (AREA)
Abstract
本发明公开了一种低滚筒阻力节能橡胶输送带，包括芯层，以及设于芯层两侧的覆盖胶层；其特征在于，所述覆盖胶层按照以下方法步骤制得：S1，按照重量份分别称取制备覆盖胶层的原料，具体如下：顺丁橡胶50-60份、天然橡胶30-40份、白炭黑5-8份、硫磺5-8份、氯化石蜡0.2-0.3份、十溴二苯醚0.1-0.3份、石蜡油0.2-0.4份、液体古马隆0.3-0.6份、陶土0.5-0.8份、促进剂TMTD 1-2份、防老剂MB 0.6-1份、防老剂RD 0.2-0.6份。输送带覆盖层橡胶以顺丁橡胶和天然橡胶为生胶，并掺入陶土，搭配氯化石蜡、十溴二苯醚、石蜡油、液体古马隆等特定的辅料，特定的材料配方和工艺步骤使得成品橡胶黏弹系数较小，从而使输送机滚筒运行阻力较小，输送机能耗低。
Description
本发明涉及橡胶制品制造技术领域，具体涉及一种低滚筒阻力节能橡胶输送带，以及低滚筒阻力节能橡胶输送带用的覆盖胶（混炼胶）。
橡胶输送带是带式输送机的主要部件，工作时由滚筒驱动，可以输送物料，广泛应用于煤炭、矿山、冶金、化工、建筑和交通等部门的大规模连续化运输作业中。
随着能源危机日趋严重，节能减排成为了当下社会关注的热点，已辐射至各行各业。低滚筒阻力橡胶输送带也叫节能输送带，就是在这样的社会背景下诞生的。和普通橡胶输送带产品一样，低滚筒阻力橡胶输送带通常也由芯层和设于芯层上下两侧的覆盖胶层组成。已有研究表明，在橡胶输送带运行过程中，输送机的电能消耗与输送带覆盖胶层的黏弹系数tanδ/e’
(1/3)有很大关系，黏弹系数越小，输送机滚筒的转动阻力就越小，从而节能性就越高。因此，如何降低橡胶输送带用覆盖胶层材料的黏弹系数，成为了本领域技术人员当下研究的热门课题。
本发明提供了一种低滚筒阻力节能橡胶输送带，该输送带的覆盖胶层材料具有较小的黏弹系数，运行过程中，输送机的电能消耗小。同时，本发明也提供了一种低滚筒阻力节能橡胶输送带用覆盖胶，使用该覆盖胶制备输送带的覆盖胶层，可以降低橡胶输送带运行过程中输送机的电能消耗。
对于橡胶输送带，本发明提供如下技术方案：
一种低滚筒阻力节能橡胶输送带，包括芯层，以及设于芯层两侧的覆盖胶层；所述覆盖胶层按照以下方法步骤制得：
S1，按照重量份分别称取制备覆盖胶层的原料，具体如下：顺丁橡胶50-60份、天然橡胶30-40份、白炭黑5-8份、硫磺5-8份、氯化石蜡0.2-0.3份、十溴二苯醚0.1-0.3份、石蜡油0.2-0.4份、液体古马隆0.3-0.6份、陶土0.5-0.8份、促进剂TMTD 1-2份、防老剂MB 0.6-1份、防老剂RD 0.2-0.6份；
S2，将顺丁橡胶、天然橡胶放入开炼机中进行塑炼，得到胶料A；
S3，将胶料A依次进行切胶、打卷、打三角包3-5次，得到胶料B；
S4，将胶料B投入压实机中进行压实，压实后室温放置24-48小时得到胶料C；
S5，密练室升温至60±5℃，然后将胶料C以及白炭黑、硫磺、氯化石蜡、十溴二苯醚、石蜡油、液体古马隆、陶土、促进剂TMTD、防老剂MB和防老剂RD放入密炼室中进行混炼，混炼120-150秒，控制出片厚度为2.2±0.1mm，得到混炼胶，室温下放置至少24小时，备用；
S6，将步骤S5制得的混炼胶与芯层在预成型生产线上复合成带胚，然后用平板硫化机，控制硫化条件为150-155℃×30-35min硫化成型，得产品。
作为优化方案，所述步骤S1中，按照重量份分别称取的覆盖胶原料，具体如下：顺丁橡胶50份、天然橡胶30份、白炭黑5份、硫磺6份、氯化石蜡0.2份、十溴二苯醚0.2份、石蜡油0.3份、液体古马隆0.3份、陶土0.5份、促进剂TMTD 1.5份、防老剂MB 0.8份、防老剂RD 0.3份。
作为优化方案，所述步骤S2中，塑炼时间为30-40min。
作为优化方案，所述步骤S3中，将胶料A依次进行切胶、打卷、打三角包5次，得到胶料B；
作为优化方案，所述步骤S4中，压实后室温放置24小时得到胶料C。
作为优化方案，所述步骤S5中，混炼时间120秒，控制出片厚度为2.2mm，得到混炼胶。
作为优化方案，所述S6步骤中，控制硫化条件为155℃×30min。
对于橡胶材料，本发明提供如下技术方案：
低滚筒阻力节能橡胶输送带用覆盖胶，其按照以下方法步骤制得：
S1，按照重量份称取原料，具体如下：顺丁橡胶50-60份、天然橡胶30-40份、白炭黑5-8份、硫磺5-8份、氯化石蜡0.2-0.3份、十溴二苯醚0.1-0.3份、石蜡油0.2-0.4份、液体古马隆0.3-0.6份、陶土0.5-0.8份、促进剂TMTD 1-2份、防老剂MB 0.6-1份、防老剂RD 0.2-0.6份；
S2，将顺丁橡胶、天然橡胶放入开炼机中进行塑炼，得到胶料A；
S3，将胶料A依次进行切胶、打卷、打三角包3-5次，得到胶料B；
S4，将胶料B投入压实机中进行压实，压实后室温放置24-48小时得到胶料C；
S5，密练室升温至60±5℃，然后将胶料C以及白炭黑、硫磺、氯化石蜡、十溴二苯醚、石蜡油、液体古马隆、陶土、促进剂TMTD、防老剂MB和防老剂RD放入密炼室中进行混炼，混炼120-150秒，控制出片厚度为2.2±0.1mm，即得。
作为优化方案，前述的低滚筒阻力节能橡胶输送带用覆盖胶中，制备时：
所述步骤S1中，按照重量份分别称取的覆盖胶原料，具体如下：顺丁橡胶50份、天然橡胶30份、白炭黑5份、硫磺6份、氯化石蜡0.2份、十溴二苯醚0.2份、石蜡油0.3份、液体古马隆0.3份、陶土0.5份、促进剂TMTD 1.5份、防老剂MB 0.8份、防老剂RD 0.3份；
所述步骤S2中，塑炼时间为30-40min；
所述步骤S3中，将胶料A依次进行切胶、打卷、打三角包5次，得到胶料B；
所述步骤S4中，压实后室温放置24小时得到胶料C；
所述步骤S5中，混炼时间120秒，控制出片厚度为2.2mm，即得。
与现有技术相比，本发明的上述技术方案中，输送带覆盖层橡胶以顺丁橡胶和天然橡胶为生胶，并掺入陶土，搭配氯化石蜡、十溴二苯醚、石蜡油、液体古马隆等特定的辅料，特定的材料配方和工艺步骤使得成品橡胶黏弹系数较小，从而使输送机滚筒运行阻力较小，输送机能耗低。
下面将结合本发明实施例，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例一：
一、按照如下步骤制备低滚筒阻力节能橡胶输送带用覆盖胶（混炼胶）
S1，按照重量份称取原料，具体如下：顺丁橡胶50份、天然橡胶30份、白炭黑5份、硫磺6份、氯化石蜡0.2份、十溴二苯醚0.2份、石蜡油0.3份、液体古马隆0.3份、陶土0.5份、促进剂TMTD 1.5份、防老剂MB 0.8份、防老剂RD 0.3份；
S2，将顺丁橡胶、天然橡胶放入开炼机中进行塑炼，得到胶料A；
S3，将胶料A依次进行切胶、打卷、打三角包5次，得到胶料B；
S4，将胶料B投入压实机中进行压实，压实后室温放置24小时得到胶料C；
S5，密练室升温至60℃，然后将胶料C以及白炭黑、硫磺、氯化石蜡、十溴二苯醚、石蜡油、液体古马隆、陶土、促进剂TMTD、防老剂MB和防老剂RD放入密炼室中进行混炼，混炼120秒，控制出片厚度为2.2mm，即得。
二、制作低滚筒阻力节能橡胶输送带
将上述制得的混炼胶（出片后室温下放置24小时）与芯层材料（单层织物）在预成型生产线上复合成带胚，然后将带胚在平板硫化机上硫化成型（硫化条件为155℃×30min），得产品。
实施例二：
一、按照如下步骤制备低滚筒阻力节能橡胶输送带用覆盖胶（混炼胶）
S1，按照重量份称取原料，具体如下：顺丁橡胶50份、天然橡胶40份、白炭黑5份、硫磺8份、氯化石蜡0.2份、十溴二苯醚0.1份、石蜡油0.2份、液体古马隆0.6份、陶土0.5份、促进剂TMTD 1份、防老剂MB 0.6份、防老剂RD 0.6份；
S2，将顺丁橡胶、天然橡胶放入开炼机中进行塑炼，得到胶料A；
S3，将胶料A依次进行切胶、打卷、打三角包5次，得到胶料B；
S4，将胶料B投入压实机中进行压实，压实后室温放置24小时得到胶料C；
S5，密练室升温至60℃，然后将胶料C以及白炭黑、硫磺、氯化石蜡、十溴二苯醚、石蜡油、液体古马隆、陶土、促进剂TMTD、防老剂MB和防老剂RD放入密炼室中进行混炼，混炼120秒，控制出片厚度为2.2mm，即得。
二、制作低滚筒阻力节能橡胶输送带
将上述制得的混炼胶（出片后室温下放置24小时）与芯层材料（单层织物）在预成型生产线上复合成带胚，然后将带胚在平板硫化机上硫化成型（硫化条件为155℃×30min），得产品。
实施例三：
一、按照如下步骤制备低滚筒阻力节能橡胶输送带用覆盖胶（混炼胶）
S1，按照重量份称取原料，具体如下：顺丁橡胶55份、天然橡胶30份、白炭黑6份、硫磺6份、氯化石蜡0.3份、十溴二苯醚0.1份、石蜡油0.4份、液体古马隆0.3份、陶土0.5份、促进剂TMTD 1.5份、防老剂MB 1份、防老剂RD 0.2份；
S2，将顺丁橡胶、天然橡胶放入开炼机中进行塑炼，得到胶料A；
S3，将胶料A依次进行切胶、打卷、打三角包5次，得到胶料B；
S4，将胶料B投入压实机中进行压实，压实后室温放置24小时得到胶料C；
S5，密练室升温至60℃，然后将胶料C以及白炭黑、硫磺、氯化石蜡、十溴二苯醚、石蜡油、液体古马隆、陶土、促进剂TMTD、防老剂MB和防老剂RD放入密炼室中进行混炼，混炼140秒，控制出片厚度为2.3mm，即得。
二、制作低滚筒阻力节能橡胶输送带
将上述制得的混炼胶（出片后室温下放置24小时）与芯层材料（单层织物）在预成型生产线上复合成带胚，然后将带胚在平板硫化机上硫化成型（硫化条件为155℃×30min），得产品。
实施例四：
一、按照如下步骤制备低滚筒阻力节能橡胶输送带用覆盖胶（混炼胶）
S1，按照重量份称取原料，具体如下：顺丁橡胶60份、天然橡胶35份、白炭黑8份、硫磺7份、氯化石蜡0.25份、十溴二苯醚0.2份、石蜡油0.3份、液体古马隆0.5份、陶土0.7份、促进剂TMTD 2份、防老剂MB 1份、防老剂RD 0.6份；
S2，将顺丁橡胶、天然橡胶放入开炼机中进行塑炼，得到胶料A；
S3，将胶料A依次进行切胶、打卷、打三角包5次，得到胶料B；
S4，将胶料B投入压实机中进行压实，压实后室温放置24小时得到胶料C；
S5，密练室升温至65℃，然后将胶料C以及白炭黑、硫磺、氯化石蜡、十溴二苯醚、石蜡油、液体古马隆、陶土、促进剂TMTD、防老剂MB和防老剂RD放入密炼室中进行混炼，混炼120秒，控制出片厚度为2.2mm，即得。
二、制作低滚筒阻力节能橡胶输送带
将上述制得的混炼胶（出片后室温下放置24小时）与芯层材料（单层织物）在预成型生产线上复合成带胚，然后将带胚在平板硫化机上硫化成型（硫化条件为150℃×35min），得产品。
实施例五：
一、按照如下步骤制备低滚筒阻力节能橡胶输送带用覆盖胶（混炼胶）
S1，按照重量份称取原料，具体如下：顺丁橡胶60份、天然橡胶35份、白炭黑8份、硫磺7份、氯化石蜡0.25份、十溴二苯醚0.2份、石蜡油0.3份、液体古马隆0.5份、陶土0.7份、促进剂TMTD 1.5份、防老剂MB 1份、防老剂RD 0.6份；
S2，将顺丁橡胶、天然橡胶放入开炼机中进行塑炼，得到胶料A；
S3，将胶料A依次进行切胶、打卷、打三角包3次，得到胶料B；
S4，将胶料B投入压实机中进行压实，压实后室温放置24小时得到胶料C；
S5，密练室升温至65℃，然后将胶料C以及白炭黑、硫磺、氯化石蜡、十溴二苯醚、石蜡油、液体古马隆、陶土、促进剂TMTD、防老剂MB和防老剂RD放入密炼室中进行混炼，混炼120秒，控制出片厚度为2.2mm，即得。
二、制作低滚筒阻力节能橡胶输送带
将上述制得的混炼胶（出片后室温下放置24小时）与芯层材料（单层织物）在预成型生产线上复合成带胚，然后将带胚在平板硫化机上硫化成型（硫化条件为150℃×35min），得产品。
实施例六：
一、按照如下步骤制备低滚筒阻力节能橡胶输送带用覆盖胶（混炼胶）
S1，按照重量份称取原料，具体如下：顺丁橡胶55份、天然橡胶35份、白炭黑5份、硫磺7份、氯化石蜡0.3份、十溴二苯醚0.2份、石蜡油0.3份、液体古马隆0.5份、陶土0.8份、促进剂TMTD 1.8份、防老剂MB 0.8份、防老剂RD 0.5份；
S2，将顺丁橡胶、天然橡胶放入开炼机中进行塑炼，得到胶料A；
S3，将胶料A依次进行切胶、打卷、打三角包4次，得到胶料B；
S4，将胶料B投入压实机中进行压实，压实后室温放置24小时得到胶料C；
S5，密练室升温至55℃，然后将胶料C以及白炭黑、硫磺、氯化石蜡、十溴二苯醚、石蜡油、液体古马隆、陶土、促进剂TMTD、防老剂MB和防老剂RD放入密炼室中进行混炼，混炼150秒，控制出片厚度为2.3mm，即得。
二、制作低滚筒阻力节能橡胶输送带
将上述制得的混炼胶（出片后室温下放置24小时）与芯层材料（单层织物）在预成型生产线上复合成带胚，然后将带胚在平板硫化机上硫化成型（硫化条件为152℃×33min），得产品。
对比例一：
一、按照如下步骤制备输送带用覆盖胶（混炼胶）
S1，按照重量份称取原料，具体如下：顺丁橡胶80份、天然橡胶20份，白炭黑8份、硫磺8份、氯化石蜡0.3份、石蜡油0.4份、促进剂TMTD 1.5份、防老剂MB 1份、防老剂RD 0.6份；
S2，将顺丁橡胶和天然橡胶放入开炼机中进行塑炼，得到胶料A；
S3，将胶料A依次进行切胶、打卷、打三角包4次，得到胶料B；
S4，将胶料B投入压实机中进行压实，压实后室温放置24小时得到胶料C；
S5，密练室升温至60℃，然后将胶料C以及白炭黑、硫磺、氯化石蜡、石蜡油、促进剂TMTD、防老剂MB和防老剂RD放入密炼室中进行混炼，混炼120秒，控制出片厚度为2.2mm，即得。
二、制作低滚筒阻力节能橡胶输送带
将上述制得的混炼胶（出片后室温下放置24小时）与芯层材料（单层织物）在预成型生产线上复合成带胚，然后将带胚在平板硫化机上硫化成型（硫化条件为155℃×30min），得对比例的产品。
对本申请实施例1-6的成品输送带以及对比例一的输送带覆盖层橡胶材料进行节能性测试：使用由分光仪在15Hz的频率、25℃温度和2.0％的应变下测量覆盖层橡胶材料的损耗角正切值tanδ和动态储能模量e’，然后出计算橡胶材料的黏弹系数tanδ/e’
(1/3)，将对比例一中覆盖层橡胶材料节能性设定为1，根据计算出的tanδ/e’
(1/3)确定各实施例中覆盖层橡胶材料的节能性，数值越小表明节能性越好，测试结果如下表。
节能性测试结果：
| 项目 | 覆盖层橡胶节能性 |
| 实施例一 | 0.54 |
| 实施例二 | 0.59 |
| 实施例三 | 0.57 |
| 实施例四 | 0.55 |
| 实施例五 | 0.61 |
| 实施例六 | 0.60 |
| 对比例一 | 1 |
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。
Claims (9)
- 一种低滚筒阻力节能橡胶输送带，包括芯层，以及设于芯层两侧的覆盖胶层；其特征在于，所述覆盖胶层按照以下方法步骤制得：S1，按照重量份分别称取制备覆盖胶层的原料，具体如下：顺丁橡胶50-60份、天然橡胶30-40份、白炭黑5-8份、硫磺5-8份、氯化石蜡0.2-0.3份、十溴二苯醚0.1-0.3份、石蜡油0.2-0.4份、液体古马隆0.3-0.6份、陶土0.5-0.8份、促进剂TMTD 1-2份、防老剂MB 0.6-1份、防老剂RD 0.2-0.6份；S2，将顺丁橡胶、天然橡胶放入开炼机中进行塑炼，得到胶料A；S3，将胶料A依次进行切胶、打卷、打三角包3-5次，得到胶料B；S4，将胶料B投入压实机中进行压实，压实后室温放置24-48小时得到胶料C；S5，密练室升温至60±5℃，然后将胶料C以及白炭黑、硫磺、氯化石蜡、十溴二苯醚、石蜡油、液体古马隆、陶土、促进剂TMTD、防老剂MB和防老剂RD放入密炼室中进行混炼，混炼120-150秒，控制出片厚度为2.2±0.1mm，得到混炼胶，室温下放置至少24小时，备用；S6，将步骤S5制得的混炼胶与芯层在预成型生产线上复合成带胚，然后用平板硫化机，控制硫化条件为150-155℃×30-35min硫化成型，得产品。
- 根据权利要求1所述的一种低滚筒阻力节能橡胶输送带，其特征在于，所述步骤S1中，按照重量份分别称取的覆盖胶原料，具体如下：顺丁橡胶50份、天然橡胶30份、白炭黑5份、硫磺6份、氯化石蜡0.2份、十溴二苯醚0.2份、石蜡油0.3份、液体古马隆0.3份、陶土0.5份、促进剂TMTD 1.5份、防老剂MB 0.8份、防老剂RD 0.3份。
- 根据权利要求1所述的一种低滚筒阻力节能橡胶输送带，其特征在于，所述步骤S2中，塑炼时间为30-40min。
- 根据权利要求1所述的一种低滚筒阻力节能橡胶输送带，其特征在于，所述步骤S3中，将胶料A依次进行切胶、打卷、打三角包5次，得到胶料B。
- 根据权利要求1所述的一种低滚筒阻力节能橡胶输送带，其特征在于，所述步骤S4中，压实后室温放置24小时得到胶料C。
- 根据权利要求1所述的一种低滚筒阻力节能橡胶输送带，其特征在于，所述步骤S5中，混炼时间120秒，控制出片厚度为2.2mm，得到混炼胶。
- 根据权利要求1所述的一种低滚筒阻力节能橡胶输送带，其特征在于：所述S6步骤中，控制硫化条件为155℃×30min。
- 低滚筒阻力节能橡胶输送带用覆盖胶，其特征在于，其按照以下方法步骤制得：S1，按照重量份称取原料，具体如下：顺丁橡胶50-60份、天然橡胶30-40份、白炭黑5-8份、硫磺5-8份、氯化石蜡0.2-0.3份、十溴二苯醚0.1-0.3份、石蜡油0.2-0.4份、液体古马隆0.3-0.6份、陶土0.5-0.8份、促进剂TMTD 1-2份、防老剂MB 0.6-1份、防老剂RD 0.2-0.6份；S2，将顺丁橡胶、天然橡胶放入开炼机中进行塑炼，得到胶料A；S3，将胶料A依次进行切胶、打卷、打三角包3-5次，得到胶料B；S4，将胶料B投入压实机中进行压实，压实后室温放置24-48小时得到胶料C；S5，密练室升温至60±5℃，然后将胶料C以及白炭黑、硫磺、氯化石蜡、十溴二苯醚、石蜡油、液体古马隆、陶土、促进剂TMTD、防老剂MB 和防老剂RD 放入密炼室中进行混炼，混炼120-150秒，控制出片厚度为2.2±0.1mm，即得。
- 根据权利要求8所述的低滚筒阻力节能橡胶输送带用覆盖胶，其特征在于，制备时：所述步骤S1中，按照重量份分别称取的覆盖胶原料，具体如下：顺丁橡胶50份、天然橡胶30份、白炭黑5份、硫磺6份、氯化石蜡0.2份、十溴二苯醚0.2份、石蜡油0.3份、液体古马隆0.3份、陶土0.5份、促进剂TMTD 1.5份、防老剂MB 0.8份、防老剂RD 0.3份；所述步骤S2中，塑炼时间为30-40min；所述步骤S3中，将胶料A依次进行切胶、打卷、打三角包5次，得到胶料B；所述步骤S4中，压实后室温放置24小时得到胶料C；所述步骤S5中，混炼时间120秒，控制出片厚度为2.2mm，即得。
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