CN104086918A - High-strength electric protecting tube - Google Patents
High-strength electric protecting tube Download PDFInfo
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- CN104086918A CN104086918A CN201410326025.0A CN201410326025A CN104086918A CN 104086918 A CN104086918 A CN 104086918A CN 201410326025 A CN201410326025 A CN 201410326025A CN 104086918 A CN104086918 A CN 104086918A
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Abstract
The invention discloses a high-strength electric protecting tube which comprises the following raw materials in parts by weight: 100-110 parts of polyvinyl chloride, 20-50 parts of chlorinated polyvinyl chloride, 3-10 parts of glass microballoons, 10-25 parts of acrylate rubber, 10-15 parts of modified diatomite, 20-35 parts of heat stabilizer, 20-30 parts of heat-resisting modifying agent, 0.5-1.5 parts of polyethylene wax, 10-20 parts of master batch material, 4-6 parts of dicumyl peroxide, 0.02-0.2 part of cross-linking agent TAIC (Triallyl Isocyanurate), 2-3 parts of fully-vulcanized ultrafine powder nitrile rubber, 0.5-1.5 parts of fully-vulcanized ultrafine powder natural rubber, 5-10 parts of flame retardant and 1-5 parts of dyes. The high-strength electric protecting tube disclosed by the invention has the advantages of excellent impact resistance and good corrosion resistance, aging resistance, flame retardance and toughness and the service life of the high-strength electric protecting tube is prolonged.
Description
Technical field
The present invention relates to electric power protection Manifold technology field, relate in particular to a kind of high strength electric power protection pipe.
Background technology
Polyvinyl chloride (PVC) is the thermal plasticity high polymer being generated by polyreaction by vinyl chloride monomer, due to its have good flame retardancy, resistance to abrasion, resistance to chemical corrosion, comprehensive physical, the product transparency, goods electrical insulating property, cheap, process the performances such as easy for installation, and be widely used in the fields such as chemical industry, material, electric power, wherein maximum with rigid polyvinyl chloride UPVC consumption again.But it is that fragility is large that UPVC has a weakness, a little less than impact resistance, general CPE or the ACR of adopting is as PVC impact modifier at present.Although various impact modifiers, because its chemical structure is different, increase, cut also difference of mechanism, their something in common is all to need to have lower second-order transition temperature and have certain consistency with PVC.But can not be completely compatible, the necessary suitable second-phase of construction form, and PVC forms two-phase coexistent structure.In addition, to there is good interface binding power with PVC exactly.Although can improve the performance of tubing by modification, between formulation cost, workability and performance, be difficult to reach balance, improvement in performance effect is also general.Aspect shock resistance, thermotolerance and chemical corrosivity, also there is very large deficiency in current tubing.
Summary of the invention
In order to solve the technical problem existing in background technology; the present invention proposes a kind of high strength electric power protection pipe; it has high physical strength, has improved thermotolerance, the flame retardant resistance of tubing and inwall frictional coefficient is little, lightweight, construction costs is low, long service life simultaneously.
A kind of high strength electric power protection pipe has been proposed in the present invention, its raw materials by weight portion comprises: polyvinyl chloride 100-110 part, chlorinated polyvinyl chloride 20-50 part, glass microballon 3-10 part, acrylics rubber 10-25 part, modification infusorial earth 10-15 part, thermo-stabilizer 20-35 part, heat-proof modifier 20-30 part, polyethylene wax 0.5-1.5 part, master batch material 10-20 part, dicumyl peroxide 4-6 part, linking agent TAIC0.02-0.2 part, full sulfuration ultrafine powder paracril 2-3 part, full sulfuration ultrafine powder natural rubber 0.5-1.5 part, fire retardant 5-10 part, dyestuff 1-5 part,
Described master batch material is white clay/chlorinatedpolyethylene mixture, and be prepared by following technique: the front roll temperature that two roller mills are set is room temperature, rear roll temperature is 35-45 ℃, after preheating 3-8min, add the chlorinatedpolyethylene of the 10-20 part 10-15min that plasticates, the temperature of mill is risen to the stearic acid that adds successively 0.5-1.5 part after 50-70 ℃, the mixing 20-30min of white clay of 20-35 part, mill temperature is risen to 120-140 ℃, the stablizer that simultaneously adds 5-8 part, the mixing 5-20min of acrylic acid esters co-polymer of the PE wax of 0.5-0.8 part and 1-3 part, granulation after twin screw extruder is extruded, obtain described master batch material.
Preferably, in above-mentioned high strength electric power protection pipe, its raw materials by weight portion comprises: polyvinyl chloride 105-108 part, chlorinated polyvinyl chloride 35-43 part, glass microballon 5-7 part, acrylics rubber 17-20 part, modification infusorial earth 12-13 part, thermo-stabilizer 25-30 part, heat-proof modifier 24-27 part, polyethylene wax 0.7-1.1 part, master batch material 14-17 part, dicumyl peroxide 4.7-5.4 part, linking agent TAIC0.1-0.15 part, full sulfuration ultrafine powder paracril 2.4-2.6 part, full sulfuration ultrafine powder natural rubber 0.7-1.3 part, fire retardant 8-9.3 part, dyestuff 2-4 part.
Preferably; in above-mentioned high strength electric power protection pipe; its raw materials by weight portion comprises: 106 parts of polyvinyl chloride, 37 parts of chlorinated polyvinyl chlorides, 6 parts of glass microballons, 19 parts of acrylics rubber, 12.4 parts of modification infusorial earths, 27 parts of stablizers, 25 parts of heat-proof modifiers, 0.9 part of polyethylene wax, 16 parts of master batch materials, 5.1 parts of dicumyl peroxides, linking agent TAIC0.11 part, entirely vulcanize 2.5 parts of ultrafine powder paracrils, entirely vulcanize 0.9 part of ultrafine powder natural rubber, 8.8 parts of fire retardants, 3 parts of dyestuffs.
Preferably, described modification infusorial earth is coupling agent modified, and described coupling agent is aluminate coupling agent, and described aluminate coupling agent is one or more the combination in DH-st, DH-306, DH-335, DL-411-A.
Preferably, described thermo-stabilizer is one or more the combination in tetramethylolmethane, calcium stearate, Zinic stearas, epoxy soybean oil, calcium-zinc composite stabilizing agent.
Preferably, described heat-proof modifier is the terpolymer of N-phenylmaleimide, vinylbenzene, vinyl cyanide.
Preferably, described fire retardant is zinc borate, ammonium polyphosphate and Mg (OH)
2composition.
Preferably, described master batch material is white clay/chlorinatedpolyethylene mixture, and be prepared by following technique: the front roll temperature that two roller mills are set is room temperature, rear roll temperature is 40 ℃, after preheating 6min, add the chlorinatedpolyethylene of the 15 parts 13min that plasticates, the temperature of mill is risen to and after 55 ℃, adds successively the stearic acid of 0.75 part, the mixing 25min of white clay of 32 parts, mill temperature is risen to 133 ℃, the stablizer that simultaneously adds 7 parts, the mixing 12min of acrylic acid esters co-polymer of the PE wax of 0.6 part and 1.6 parts, granulation after twin screw extruder is extruded, obtain described master batch material.
In high strength electric power protection pipe of the present invention, added modification infusorial earth, on the one hand, diatomite is after modification, there is coated and bonding in coupling agent and diatomite surface, make modification infusorial earth surface there is close organic end, improve the consistency with polyvinyl chloride, joined in tubing, improved tensile strength, unnotched impact strength, the Vickers' hardness of tubing; On the other hand; modification infusorial earth has auxiliary heat stabilization to polyvinyl chloride; composite material hot-pressed formation mobility is increased; the defect that the hole of molecular dimension and piling up produces in process reduces, density increases, " free volume " reduces, second-order transition temperature moves to high temperature direction, has improved heat, the dynamic stability of protective tube.
In high strength electric power protection pipe of the present invention, added white clay/polyethylene master batch material, on the one hand, in master batch material, stearic acid has carried out effective modification to the calcium carbonate ion in white clay, increased the interface compatibility of calcium carbonate and polyvinyl chloride in white clay, difficult drop-off when stressed, guaranteed that the stress in bending that polyvinyl chloride bears is more transferred to white clay particle, improved intensity and the vicat softening temperature of electric power protection pipe; On the other hand, the main composition-calcium carbonate of white clay is a kind of rigidity ion, it add rotation and the locomotivity that can limit polyvinyl chloride molecular chain, increase the Young's modulus of tubing, improve the mechanical property of protective tube.
In high strength electric power protection pipe of the present invention, dicumyl peroxide and linking agent TAIC have been added, between PVC macromole, produced slight being cross-linked, form three-dimensional reticulated structure, when electric power protection pipe is subject to external impacts, network can effectively transmit impact energy, impact-absorbing energy, the shock strength of raising protective tube; Due to increasing of tie point, intermolecular strength of joint increases, and easy fracture and produce slippage not when protective tube is subject to External Force Acting, has improved the tensile strength of protective tube.
In high strength electric power protection pipe of the present invention, having added the ultra-fine paracril of full sulfuration and entirely having vulcanized ultra-fine natural rubber is toughner, on the one hand, in natural rubber, there is active group, between PVC and toughner rubber, play the effect of compatilizer, strengthened the bonding force between PVC and toughner rubber molecule, paracril sized particles is less, shows the coordination plasticizing effect to co-mixing system; On the other hand; while adding toughner rubber, can bring out shear zone, thereby absorb energy; reach toughening effect; toughner rubber particles distribution density increased, and spacing of particle diminishes, when enough hour of spacing; polyvinyl chloride total stress approach of shear strength field is exactly the interactional stacks of whole rubber particles stress fields; the intensity of the protective tube stress field obtaining like this strengthens greatly, and the amplitude that produces viscous deformation increases, and has improved the toughness of material.
In high strength electric power protection pipe of the present invention, selected the composition of zinc borate, ammonium polyphosphate and aluminum oxide as fire retardant, the fire retardation that not only can maintain fire retardant can also reduce the cost of material, raw cigarette amount and toxicity; Adding of zinc borate, contribute to when material combustion, to form porous charcoal layer and this charcoal layer can be stablized by boron trioxide; Zinc borate can also generate the hard porous residues such as similar glass, pottery with aluminium hydroxide, be conducive to heat insulation and stop air diffuser to enter material internal, reduces high temperature molten drop, reduces dangerous Ignition sources, plays the effect that presses down combustion.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; should understand; embodiment is only for the present invention is described, rather than for the present invention is limited, and any modification of making on basis of the present invention, is equal to replacement etc. all in protection scope of the present invention.
High strength electric power protection pipe disclosed in this invention, in each embodiment, the parts by weight of each component are as shown in table 1.
The parts by weight of each component of high strength electric power protection pipe in each embodiment of table 1
Embodiment 1
High strength electric power protection pipe of the present invention, its raw material forms by weight as shown in embodiment in table 11, wherein, described master batch material is white clay/chlorinatedpolyethylene mixture, and be prepared by following technique: the front roll temperature that two roller mills are set is room temperature, rear roll temperature is 38 ℃, after preheating 5.3min, add the chlorinatedpolyethylene of the 10 parts 14.6min that plasticates, the temperature of mill is risen to and after 66 ℃, adds successively the stearic acid of 1.3 parts, the mixing 30min of white clay of 30 parts, mill temperature is risen to 140 ℃, the stablizer that simultaneously adds 8 parts, the mixing 5min of acrylic acid esters co-polymer of the PE wax of 0.7 part and 1.5 parts, granulation after twin screw extruder is extruded, obtain described master batch material.
Embodiment 2
High strength electric power protection pipe of the present invention, its raw material composition is by weight as shown in embodiment in table 12, and wherein, described modification infusorial earth is coupling agent modified, and described coupling agent is aluminate coupling agent, and described aluminate coupling agent is DH-st, described thermo-stabilizer is tetramethylolmethane, described heat-proof modifier is the terpolymer of N-phenylmaleimide, vinylbenzene, vinyl cyanide, described fire retardant is zinc borate, ammonium polyphosphate and Mg (OH)
2composition, described master batch material is white clay/chlorinatedpolyethylene mixture, and be prepared by following technique: the front roll temperature that two roller mills are set is room temperature, rear roll temperature is 35 ℃, after preheating 8min, add the chlorinatedpolyethylene of the 20 parts 10min that plasticates, the temperature of mill is risen to and after 70 ℃, adds successively the stearic acid of 1.5 parts, after the mixing 20min of white clay of 20 parts is dried, mill temperature is risen to 120 ℃, the stablizer that simultaneously adds 5 parts, the mixing 20min of acrylic acid esters co-polymer of the PE wax of 0.8 part and 1 part, granulation after twin screw extruder is extruded, obtain described master batch material.
Embodiment 3
High strength electric power protection pipe of the present invention, its raw materials by weight portion is as shown in embodiment in table 13, and wherein, described modification infusorial earth is coupling agent modified, and described coupling agent is aluminate coupling agent, and described aluminate coupling agent is DH-306 and DH-335, described thermo-stabilizer is Zinic stearas and epoxy soybean oil, described heat-proof modifier is the terpolymer of N-phenylmaleimide, vinylbenzene, vinyl cyanide, described fire retardant is zinc borate, ammonium polyphosphate and Mg (OH)
2composition, described master batch material is white clay/chlorinatedpolyethylene mixture, and be prepared by following technique: the front roll temperature that two roller mills are set is room temperature, rear roll temperature is 45 ℃, after preheating 3min, add the chlorinatedpolyethylene of the 13 parts 15min that plasticates, the temperature of mill is risen to and after 50 ℃, adds successively the stearic acid of 0.5 part, after the mixing 23min of white clay of 22 parts is dried, mill temperature is risen to 125 ℃, the stablizer that simultaneously adds 5.7 parts, the mixing 17min of acrylic acid esters co-polymer of the PE wax of 0.5 part and 3 parts, granulation after twin screw extruder is extruded, obtain described master batch material.
Embodiment 4
High strength electric power protection pipe of the present invention, its raw materials by weight portion is as shown in embodiment in table 14, and wherein, described modification infusorial earth is coupling agent modified, and described coupling agent is aluminate coupling agent, and described aluminate coupling agent is DL-411-A, described thermo-stabilizer is calcium-zinc composite stabilizing agent, described heat-proof modifier is the terpolymer of N-phenylmaleimide, vinylbenzene, vinyl cyanide, described fire retardant is zinc borate, ammonium polyphosphate and Mg (OH)
2composition, described master batch material is white clay/chlorinatedpolyethylene mixture, and be prepared by following technique: the front roll temperature that two roller mills are set is room temperature, rear roll temperature is 40 ℃, after preheating 6min, add the chlorinatedpolyethylene of the 15 parts 13min that plasticates, the temperature of mill is risen to and after 55 ℃, adds successively the stearic acid of 0.75 part, after the mixing 25min of white clay of 32 parts is dried, mill temperature is risen to 133 ℃, the stablizer that simultaneously adds 7 parts, the mixing 12min of acrylic acid esters co-polymer of the PE wax of 0.6 part and 1.6 parts, granulation after twin screw extruder is extruded, obtain described master batch material.
Claims (8)
1. a high strength electric power protection pipe, it is characterized in that, its raw materials by weight portion comprises: polyvinyl chloride 100-110 part, chlorinated polyvinyl chloride 20-50 part, glass microballon 3-10 part, acrylics rubber 10-25 part, modification infusorial earth 10-15 part, thermo-stabilizer 20-35 part, heat-proof modifier 20-30 part, polyethylene wax 0.5-1.5 part, master batch material 10-20 part, dicumyl peroxide 4-6 part, linking agent TAIC0.02-0.2 part, full sulfuration ultrafine powder paracril 2-3 part, full sulfuration ultrafine powder natural rubber 0.5-1.5 part, fire retardant 5-10 part, dyestuff 1-5 part,
Wherein, described master batch material is white clay/chlorinatedpolyethylene mixture, and be prepared by following technique: the front roll temperature that two roller mills are set is room temperature, rear roll temperature is 35-45 ℃, after preheating 3-8min, add the chlorinatedpolyethylene of the 10-20 part 10-15min that plasticates, the temperature of mill is risen to the stearic acid that adds successively 0.5-1.5 part after 50-70 ℃, the mixing 20-30min of white clay of 20-35 part, mill temperature is risen to 120-140 ℃, the stablizer that simultaneously adds 5-8 part, the mixing 5-20min of acrylic acid esters co-polymer of the PE wax of 0.5-0.8 part and 1-3 part, granulation after twin screw extruder is extruded, obtain described master batch material.
2. high strength electric power protection pipe according to claim 1, it is characterized in that, its raw materials by weight portion comprises: polyvinyl chloride 105-108 part, chlorinated polyvinyl chloride 35-43 part, glass microballon 5-7 part, acrylics rubber 17-20 part, modification infusorial earth 12-13 part, thermo-stabilizer 25-30 part, heat-proof modifier 24-27 part, polyethylene wax 0.7-1.1 part, master batch material 14-17 part, dicumyl peroxide 4.7-5.4 part, linking agent TAIC0.1-0.15 part, full sulfuration ultrafine powder paracril 2.4-2.6 part, full sulfuration ultrafine powder natural rubber 0.7-1.3 part, fire retardant 8-9.3 part, dyestuff 2-4 part.
3. high strength electric power protection pipe according to claim 1 and 2; it is characterized in that; its raw materials by weight portion comprises: 106 parts of polyvinyl chloride, 37 parts of chlorinated polyvinyl chlorides, 6 parts of glass microballons, 19 parts of acrylics rubber, 12.4 parts of modification infusorial earths, 27 parts of stablizers, 25 parts of heat-proof modifiers, 0.9 part of polyethylene wax, 16 parts of master batch materials, 5.1 parts of dicumyl peroxides, linking agent TAIC0.11 part, entirely vulcanize 2.5 parts of ultrafine powder paracrils, entirely vulcanize 0.9 part of ultrafine powder natural rubber, 8.8 parts of fire retardants, 3 parts of dyestuffs.
4. according to the high strength electric power protection pipe described in any one in claim 1-3; it is characterized in that; described modification infusorial earth is coupling agent modified; described coupling agent is aluminate coupling agent, and described aluminate coupling agent is one or more the combination in DH-st, DH-306, DH-335, DL-411-A.
5. according to the high strength electric power protection pipe described in any one in claim 1-4, it is characterized in that, described thermo-stabilizer is one or more the combination in tetramethylolmethane, calcium stearate, Zinic stearas, epoxy soybean oil, calcium-zinc composite stabilizing agent.
6. according to the high strength electric power protection pipe described in any one in claim 1-5, it is characterized in that, described heat-proof modifier is the terpolymer of N-phenylmaleimide, vinylbenzene, vinyl cyanide.
7. according to the high strength electric power protection pipe described in any one in claim 1-6, it is characterized in that, described fire retardant is the composition of zinc borate, ammonium polyphosphate and Mg (OH) 2.
8. according to the high strength electric power protection pipe described in any one in claim 1-7, it is characterized in that, described master batch material is white clay/chlorinatedpolyethylene mixture, and be prepared by following technique: the front roll temperature that two roller mills are set is room temperature, rear roll temperature is 40 ℃, after preheating 6min, add the chlorinatedpolyethylene of the 15 parts 13min that plasticates, the temperature of mill is risen to and after 55 ℃, adds successively the stearic acid of 0.75 part, the mixing 25min of white clay of 32 parts, mill temperature is risen to 133 ℃, the stablizer that simultaneously adds 7 parts, the mixing 12min of acrylic acid esters co-polymer of the PE wax of 0.6 part and 1.6 parts, granulation after twin screw extruder is extruded, obtain described master batch material.
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| CN201410326025.0A CN104086918B (en) | 2014-07-09 | 2014-07-09 | A kind of high intensity electric power protection pipe |
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| CN201410326025.0A CN104086918B (en) | 2014-07-09 | 2014-07-09 | A kind of high intensity electric power protection pipe |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104693647A (en) * | 2015-03-20 | 2015-06-10 | 苏州市神龙门窗有限公司 | Environment-friendly corrosion-resistant PVC (Polyvinyl Chloride) section bar for closed door and window and preparation method thereof |
| CN104927242A (en) * | 2015-06-29 | 2015-09-23 | 湖北工程学院 | Highly-heat-resistant impact-resistant PVC (polyvinyl chloride) pipe and preparation method thereof |
| CN105175947A (en) * | 2015-10-21 | 2015-12-23 | 佛山市日丰企业科技有限公司 | Heat-resistant smoke-inhibiting polyvinyl chloride material and preparation method thereof |
| CN105482298A (en) * | 2015-12-17 | 2016-04-13 | 东莞市悠悠美居家居制造有限公司 | High heatproof embossing fancy polyvinyl chloride sheet and preparation method thereof |
| CN106633477A (en) * | 2016-10-13 | 2017-05-10 | 德才装饰股份有限公司 | Composite material for plastic inspection well and preparation method of composite material |
| CN107163360A (en) * | 2017-07-20 | 2017-09-15 | 合肥安力电力工程有限公司 | A kind of High-strength power cable protection pipe and preparation method thereof |
| CN109193499A (en) * | 2018-09-28 | 2019-01-11 | 吴江佳通光缆有限公司 | MPVC electric power tubing |
| CN110078991A (en) * | 2019-04-03 | 2019-08-02 | 宁波恒元精工管阀科技有限公司 | A kind of exposed rear cloth silk electric melting pipe fittings |
| CN112831135A (en) * | 2020-12-31 | 2021-05-25 | 湖南联塑科技实业有限公司 | High-impact-resistance PVC pipe material and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104693647A (en) * | 2015-03-20 | 2015-06-10 | 苏州市神龙门窗有限公司 | Environment-friendly corrosion-resistant PVC (Polyvinyl Chloride) section bar for closed door and window and preparation method thereof |
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| CN105482298A (en) * | 2015-12-17 | 2016-04-13 | 东莞市悠悠美居家居制造有限公司 | High heatproof embossing fancy polyvinyl chloride sheet and preparation method thereof |
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| CN109193499B (en) * | 2018-09-28 | 2021-04-06 | 苏州佳通科技股份有限公司 | MPVC electric power tubular product |
| CN110078991A (en) * | 2019-04-03 | 2019-08-02 | 宁波恒元精工管阀科技有限公司 | A kind of exposed rear cloth silk electric melting pipe fittings |
| CN112831135A (en) * | 2020-12-31 | 2021-05-25 | 湖南联塑科技实业有限公司 | High-impact-resistance PVC pipe material and preparation method and application thereof |
| CN112831135B (en) * | 2020-12-31 | 2023-10-13 | 湖南联塑科技实业有限公司 | High-impact PVC (polyvinyl chloride) pipe material and preparation method and application thereof |
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