CN105218905A - A kind of preparation method of neoprene cable sheath material - Google Patents
A kind of preparation method of neoprene cable sheath material Download PDFInfo
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- CN105218905A CN105218905A CN201410245546.3A CN201410245546A CN105218905A CN 105218905 A CN105218905 A CN 105218905A CN 201410245546 A CN201410245546 A CN 201410245546A CN 105218905 A CN105218905 A CN 105218905A
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Abstract
The invention discloses a kind of preparation method of neoprene cable sheath material, comprising: be first that base-material is once plasticated by chloroprene rubber, chlorinatedpolyethylene and ethyl butyric rubber, be cooled to room temperature and carry out secondary and plasticate; To obtaining adding in material polyethylene wax, epoxy soybean oil, oxidation inhibitor, stearic acid, semi-reinforcing hydrocarbon black, organic bentonite, nano silicon, Polyhedral Octaphenylsilsesquioxane, dioctyl sebacate be placed in Banbury mixer mixing evenly after bottom sheet cooling; Material to preparation adds the mixing evenly rear discharge of magnesium oxide, tert butyl isopropyl benzene peroxide, captax and Vulcanization accelerator TMTD; Thin-pass 2-4 time, calendering formation, sulfuration, discharging cooling obtains neoprene cable sheath material.In the present invention, the preparation method of above-mentioned neoprene cable sheath material, have good heat-resisting, flame retardant properties, hardness is high, and compression set is little, and preparation cost is low, and technique is simple.
Description
Technical field
The present invention relates to chloroprene rubber technical field, particularly relate to a kind of preparation method of neoprene cable sheath material.
Background technology
In recent years, along with the fast development of China market economy, coal-mining industry obtains as one of the basic industry of world today's main energy sources and develops rapidly, the contradiction of power supply anxiety is more and more outstanding, for meeting this demand, the powerful coal excavation apparatus of each large Coal Exploitation improves production capacity, and the requirement of the cable of supporting transferring electric power improves constantly with it, the safety of mine is more caused to the attention of national departments concerned, due to underground work bad environments, the safety of mine and the life of miner in the generation serious threat of various accident, cable-flame retardant supporting with it and resistance to anti-tear problem noticeable equally.
Summary of the invention
The present invention proposes a kind of preparation method of neoprene cable sheath material, have good heat-resisting, flame retardant properties, hardness is high, and compression set is little, and preparation cost is low, and technique is simple.
The preparation method of a kind of neoprene cable sheath material that the present invention proposes, comprising:
S1, take 65-70 part chloroprene rubber, 8-13 part chlorinatedpolyethylene and 25-32 part ethyl butyric rubber first by weight and be base-material and be placed in plasticator once to plasticate, a plasticating temperature is 70-73 DEG C, once the time of plasticating is 2-5min, be cooled to room temperature, then the material obtained is warming up to 90-100 DEG C to carry out secondary and plasticate, the secondary time of plasticating is 2-4min;
S2, obtain adding in material 5-10 part polyethylene wax, 8-13 part epoxy soybean oil, 5-7 part oxidation inhibitor, 1-1.3 part stearic acid, 25-30 part semi-reinforcing hydrocarbon black, 35-38 part organic bentonite, 8-14 part nano silicon to S1, be benchmark 35-45wt% fire retardant Polyhedral Octaphenylsilsesquioxane with base-material, 1.5-2 part dioctyl sebacate be placed in Banbury mixer mixing evenly after bottom sheet cooling, melting temperature is 90-98 DEG C, and mixing time is 3-5min;
S3, the material prepared by S2 are placed in mill, and then to add with base-material be benchmark 2-3wt% part magnesium oxide, with magnesium oxide be benchmark 100-125wt% tert butyl isopropyl benzene peroxide, with tert butyl isopropyl benzene peroxide and magnesium oxide total amount for benchmark 60-65wt% captax and with captax be benchmark 100-130wt% Vulcanization accelerator TMTD mixing evenly after discharge, melting temperature is 75-85 DEG C, and mixing time is 2-4min;
S4, the material prepared by S3 are placed in mixing roll thin-pass 2-4 time, and the gap between pressure roller cylinder is 0.25-0.34mm, is then placed in tri-roll press machine calendering formation;
S5, the molding materials obtained by S4 are placed in vulcanizing press and carry out sulfuration, and curing temperature is 160-165 DEG C, and sulfide stress is 11-14MPa, and curing time is 2-4min, and discharging cooling obtains neoprene cable sheath material.
Preferably, chloroprene rubber and organic modified bentonite weight ratio are 68:36-38.
Preferably, in S2, melting temperature is 95-97 DEG C, and mixing time is 4min.
Preferably, in S3, melting temperature is 80-82 DEG C, and mixing time is 3min.
Preferably, in S5, curing temperature is 162-163 DEG C, and sulfide stress is 12-13MPa, and curing time is 3-4min.
In the present invention, adopt chloroprene rubber, chlorinatedpolyethylene and ethyl butyric rubber are base-material, oil resistant, acid and alkali-resistance, heat-resisting, ageing-resistant performance is very excellent, add appropriate semi-reinforcing hydrocarbon black, organic bentonite, nano silicon and Polyhedral Octaphenylsilsesquioxane, goods physical and mechanical properties is excellent, flame retardant effect strengthens greatly, wherein using magnesium oxide and tert butyl isopropyl benzene peroxide as vulcanizing agent, captax and Vulcanization accelerator TMTD are as vulcanization accelerator, not only can improve goods rubber resistance toheat, the hardness of goods cable sheath is higher, compression set is little, tear-resistant performance significantly strengthens, mechanical property improves greatly.
Embodiment
Embodiment 1
The preparation method of a kind of neoprene cable sheath material that the present embodiment proposes, comprises the following steps:
S1, take 65 parts of chloroprene rubbers, 13 parts of chlorinatedpolyethylenees and 25 parts of ethyl butyric rubbers first by weight and be base-material and be placed in plasticator once to plasticate, one time plasticating temperature is 73 DEG C, once the time of plasticating is 2min, be cooled to room temperature, then the material obtained is warming up to 100 DEG C to carry out secondary and plasticate, the secondary time of plasticating is 2min;
S2, obtain adding in material 10 parts of polyethylene waxs, 8 parts of epoxy soybean oils, 7 parts of oxidation inhibitor, 1 part of stearic acid, 30 parts of semi-reinforcing hydrocarbon blacks, 35 parts of organic bentonites, 14 parts of nano silicons to S1, take base-material as benchmark 35wt% fire retardant Polyhedral Octaphenylsilsesquioxane, 2 parts of dioctyl sebacates be placed in Banbury mixer mixing evenly after bottom sheet cooling, melting temperature is 90 DEG C, and mixing time is 5min;
S3, the material prepared by S2 are placed in mill, and then to add with base-material be benchmark 2wt% part magnesium oxide, with magnesium oxide be benchmark 125wt% tert butyl isopropyl benzene peroxide, with tert butyl isopropyl benzene peroxide and magnesium oxide total amount for benchmark 60wt% captax and with captax be benchmark 130wt% Vulcanization accelerator TMTD mixing evenly after discharge, melting temperature is 75 DEG C, and mixing time is 4min;
S4, the material prepared by S3 are placed in mixing roll thin-pass 2 times, and the gap between pressure roller cylinder is 0.34mm, is then placed in tri-roll press machine calendering formation;
S5, the molding materials obtained by S4 are placed in vulcanizing press and carry out sulfuration, and curing temperature is 160 DEG C, and sulfide stress is 14MPa, and curing time is 2min, and discharging cooling obtains neoprene cable sheath material.
Embodiment 2
The preparation method of a kind of neoprene cable sheath material that the present embodiment proposes, comprises the following steps:
S1, take 70 parts of chloroprene rubbers, 8 parts of chlorinatedpolyethylenees and 32 parts of ethyl butyric rubbers first by weight and be base-material and be placed in plasticator once to plasticate, one time plasticating temperature is 70 DEG C, once the time of plasticating is 5min, be cooled to room temperature, then the material obtained is warming up to 90 DEG C to carry out secondary and plasticate, the secondary time of plasticating is 4min;
S2, obtain adding in material 5 parts of polyethylene waxs, 13 parts of epoxy soybean oils, 5 parts of oxidation inhibitor, 1.3 parts of stearic acid, 25 parts of semi-reinforcing hydrocarbon blacks, 38 parts of organic bentonites, 8 parts of nano silicons to S1, take base-material as benchmark 45wt% fire retardant Polyhedral Octaphenylsilsesquioxane, 1.5 parts of dioctyl sebacates be placed in Banbury mixer mixing evenly after bottom sheet cooling, melting temperature is 98 DEG C, and mixing time is 3min;
S3, the material prepared by S2 are placed in mill, and then to add with base-material be benchmark 3wt% part magnesium oxide, with magnesium oxide be benchmark 100wt% tert butyl isopropyl benzene peroxide, with tert butyl isopropyl benzene peroxide and magnesium oxide total amount for benchmark 65wt% captax and with captax be benchmark 100wt% Vulcanization accelerator TMTD mixing evenly after discharge, melting temperature is 85 DEG C, and mixing time is 2min;
S4, the material prepared by S3 are placed in mixing roll thin-pass 4 times, and the gap between pressure roller cylinder is 0.25mm, is then placed in tri-roll press machine calendering formation;
S5, the molding materials obtained by S4 are placed in vulcanizing press and carry out sulfuration, and curing temperature is 165 DEG C, and sulfide stress is 11MPa, and curing time is 4min, and discharging cooling obtains neoprene cable sheath material.
Embodiment 3
The preparation method of a kind of neoprene cable sheath material that the present embodiment proposes, comprises the following steps:
S1, take 68 parts of chloroprene rubbers, 12 parts of chlorinatedpolyethylenees and 30 parts of ethyl butyric rubbers first by weight and be base-material and be placed in plasticator once to plasticate, one time plasticating temperature is 72 DEG C, once the time of plasticating is 4min, be cooled to room temperature, then the material obtained is warming up to 95 DEG C to carry out secondary and plasticate, the secondary time of plasticating is 3min;
S2, obtain adding in material 7 parts of polyethylene waxs, 12 parts of epoxy soybean oils, 6 parts of oxidation inhibitor, 1.2 parts of stearic acid, 26 parts of semi-reinforcing hydrocarbon blacks, 37 parts of organic bentonites, 12 parts of nano silicons to S1, take base-material as benchmark 42wt% fire retardant Polyhedral Octaphenylsilsesquioxane, 1.8 parts of dioctyl sebacates be placed in Banbury mixer mixing evenly after bottom sheet cooling, melting temperature is 92 DEG C, and mixing time is 4min;
S3, the material prepared by S2 are placed in mill, and then to add with base-material be benchmark 2.7wt% part magnesium oxide, with magnesium oxide be benchmark 105wt% tert butyl isopropyl benzene peroxide, with tert butyl isopropyl benzene peroxide and magnesium oxide total amount for benchmark 62wt% captax and with captax be benchmark 115wt% Vulcanization accelerator TMTD mixing evenly after discharge, melting temperature is 82 DEG C, and mixing time is 3min;
S4, the material prepared by S3 are placed in mixing roll thin-pass 3 times, and the gap between pressure roller cylinder is 0.28mm, is then placed in tri-roll press machine calendering formation;
S5, the molding materials obtained by S4 are placed in vulcanizing press and carry out sulfuration, and curing temperature is 162 DEG C, and sulfide stress is 13MPa, and curing time is 3min, and discharging cooling obtains neoprene cable sheath material.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (5)
1. a preparation method for neoprene cable sheath material, is characterized in that, comprising:
S1, take 65-70 part chloroprene rubber, 8-13 part chlorinatedpolyethylene and 25-32 part ethyl butyric rubber first by weight and be base-material and be placed in plasticator once to plasticate, a plasticating temperature is 70-73 DEG C, once the time of plasticating is 2-5min, be cooled to room temperature, then the material obtained is warming up to 90-100 DEG C to carry out secondary and plasticate, the secondary time of plasticating is 2-4min;
S2, obtain adding in material 5-10 part polyethylene wax, 8-13 part epoxy soybean oil, 5-7 part oxidation inhibitor, 1-1.3 part stearic acid, 25-30 part semi-reinforcing hydrocarbon black, 35-38 part organic bentonite, 8-14 part nano silicon to S1, be benchmark 35-45wt% fire retardant Polyhedral Octaphenylsilsesquioxane with base-material, 1.5-2 part dioctyl sebacate be placed in Banbury mixer mixing evenly after bottom sheet cooling, melting temperature is 90-98 DEG C, and mixing time is 3-5min;
S3, the material prepared by S2 are placed in mill, and then to add with base-material be benchmark 2-3wt% part magnesium oxide, with magnesium oxide be benchmark 100-125wt% tert butyl isopropyl benzene peroxide, with tert butyl isopropyl benzene peroxide and magnesium oxide total amount for benchmark 60-65wt% captax and with captax be benchmark 100-130wt% Vulcanization accelerator TMTD mixing evenly after discharge, melting temperature is 75-85 DEG C, and mixing time is 2-4min;
S4, the material prepared by S3 are placed in mixing roll thin-pass 2-4 time, and the gap between pressure roller cylinder is 0.25-0.34mm, is then placed in tri-roll press machine calendering formation;
S5, the molding materials obtained by S4 are placed in vulcanizing press and carry out sulfuration, and curing temperature is 160-165 DEG C, and sulfide stress is 11-14MPa, and curing time is 2-4min, and discharging cooling obtains neoprene cable sheath material.
2. the preparation method of neoprene cable sheath material according to claim 1, is characterized in that, chloroprene rubber and organic modified bentonite weight ratio are 68:36-38.
3. the preparation method of neoprene cable sheath material according to claim 1, is characterized in that, in S2, melting temperature is 95-97 DEG C, and mixing time is 4min.
4. the preparation method of neoprene cable sheath material according to claim 1, is characterized in that, in S3, melting temperature is 80-82 DEG C, and mixing time is 3min.
5. the preparation method of neoprene cable sheath material according to claim 1, is characterized in that, in S5, curing temperature is 162-163 DEG C, and sulfide stress is 12-13MPa, and curing time is 3-4min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109627533A (en) * | 2018-12-12 | 2019-04-16 | 常熟市海虞橡胶有限公司 | A kind of soft neoprene and its calendering process |
| CN114196070A (en) * | 2021-12-07 | 2022-03-18 | 武汉楚域现代客车内饰件有限公司 | Composite nano material and method for manufacturing PVC hollow section bar with knurled surface |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314654A (en) * | 2008-06-10 | 2008-12-03 | 江西电缆有限责任公司 | Jacket formula for rubber jacketed flame-proof cable and production method thereof |
| CN102816393A (en) * | 2012-07-28 | 2012-12-12 | 安徽弘博电缆有限公司 | Low-smoke low-halogen flame-retardant crosslinked polyolefin insulated cable material and preparation method thereof |
| CN103601985A (en) * | 2013-11-13 | 2014-02-26 | 四川明星电缆股份有限公司 | Method for preparing ethylene-propylene insulating material for medium-voltage cables |
-
2014
- 2014-06-04 CN CN201410245546.3A patent/CN105218905A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314654A (en) * | 2008-06-10 | 2008-12-03 | 江西电缆有限责任公司 | Jacket formula for rubber jacketed flame-proof cable and production method thereof |
| CN102816393A (en) * | 2012-07-28 | 2012-12-12 | 安徽弘博电缆有限公司 | Low-smoke low-halogen flame-retardant crosslinked polyolefin insulated cable material and preparation method thereof |
| CN103601985A (en) * | 2013-11-13 | 2014-02-26 | 四川明星电缆股份有限公司 | Method for preparing ethylene-propylene insulating material for medium-voltage cables |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109627533A (en) * | 2018-12-12 | 2019-04-16 | 常熟市海虞橡胶有限公司 | A kind of soft neoprene and its calendering process |
| CN114196070A (en) * | 2021-12-07 | 2022-03-18 | 武汉楚域现代客车内饰件有限公司 | Composite nano material and method for manufacturing PVC hollow section bar with knurled surface |
| CN114196070B (en) * | 2021-12-07 | 2023-09-19 | 武汉楚域现代客车内饰件有限公司 | Method for manufacturing PVC hollow profile with composite nano material and knurled surface |
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Application publication date: 20160106 |