CN103937256A - High reinforced fireproof cable sheath material and preparation method thereof - Google Patents
High reinforced fireproof cable sheath material and preparation method thereof Download PDFInfo
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- CN103937256A CN103937256A CN201410072365.5A CN201410072365A CN103937256A CN 103937256 A CN103937256 A CN 103937256A CN 201410072365 A CN201410072365 A CN 201410072365A CN 103937256 A CN103937256 A CN 103937256A
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Abstract
The invention discloses a high reinforced fireproof cable sheath material. Raw materials of the high reinforced fireproof cable sheath material comprise, by weight, 85-95 parts of phenyl siloxane rubber, 20-25 parts of fumed silica, 13-17 parts of precipitated silica, 1.5-2 parts of otcamethylcyclotetrasiloxane, 40-50 parts of calcium carbonate, 5-13 parts of quartz powder, 1.2-1.7 parts of hydroxy silicone oil, 1.5-2.3 parts of polysiloxane, 0.00026-0.00058 parts of a platinum catalyst, 17-23 parts of aluminum hydroxide, 15-25 parts of magnesium hydroxide, 1-1.5 parts of dioctahedral alkali aluminum silicate, 0.4-0.7 parts of trioctahedral alkali aluminum silicate and 3-8 parts of zinc oxide. The invention also discloses a preparation method of the high reinforced fireproof cable sheath material. The high reinforced fireproof cable sheath material has the advantages of high reinforcing strength, good ablation resistance, excellent fireproof and fire-retardant properties, low production cost and simple preparation process.
Description
Technical field
The present invention relates to cable sheath technical field, relate in particular to a kind of high reinforcement flame resistant cable sheath material and preparation method thereof.
Background technology
Along with the raising of social safety consciousness, many Application Areass have all clearly proposed the requirement of flame retardant properties to used elastomeric material, conventionally use Halogen rubber matrix or in rubber matrix, add halogen flame to reach good flame retardant effect, although effect is fine, but when burning, emit a large amount of poisonous and corrosive gasess, and be attended by a large amount of smog.Along with environmental protection and the recovery increasingly stringent of regulation and continuing to bring out of novel sheath material, traditional cable material is being faced with huge challenge, current technology mainly adopts LSOH anti-flaming rubber, mainly contain silicon rubber, ethylene-propylene rubber(EPR) and second is rare-vinyl acetate rubber etc., these rubber have flame retardancy and self-extinguishing in fire, in fire, tool has certain effect, but after continuous high temperature burning, burn excess and there is no physical strength, become ashes, can cause more dangerous secondary harm, in protection fire, the person and property safety are the major issues that people are concerned about, how to prepare a kind of reinforcement strength higher, ablation resistance is good, the cable sheath material of fire resistant flame retardant excellent performance becomes the current technical issues that need to address.
Summary of the invention
The present invention proposes a kind of high reinforcement flame resistant cable sheath material and preparation method thereof, described high reinforcement flame resistant cable sheath material reinforcement strength is higher, and ablation resistance is good, fire resistant flame retardant excellent performance, and production cost is low, and preparation technology is simple.
The high reinforcement flame resistant cable of the one sheath material that the present invention proposes, its raw material comprises by weight:
Phenyl siloxane rubber 85-95 part, thermal silica 20-25 part, precipitated silica 13-17 part, octamethylcyclotetrasiloxane 1.5-2 part, calcium carbonate 40-50 part, silica powder 5-13 part, hydroxy silicon oil 1.2-1.7 part, polysiloxane 1.5-2.3 part, platinum catalyst 0.00026-0.00058 part, aluminium hydroxide 17-23 part, magnesium hydroxide 15-25 part, dioctahedron alkaline silicate aluminium 1-1.5 part, trioctahedron alkaline silicate aluminium 0.4-0.7 part, zinc oxide 3-8 part.
Preferably, its raw material also comprises 0.8-1.3 part zinc by weight.
Preferably, its raw material also comprises 0.5-0.8 part zinc borate by weight.
Preferably, dioctahedron alkaline silicate aluminium and trioctahedron alkaline silicate aluminium pass through respectively silane coupling agent processing, and described silane coupling agent is one or both of vinyltrimethoxy silane or mercaptopropyl trimethoxysilane.
Preferably, in hydroxy silicon oil, hydroxyl massfraction is 0.083-0.092%.
Preferably, platinum catalyst is by the aqueous isopropanol of Platinic chloride, Platinic chloride or be coated on the Platinic chloride of silicone resin surface of microcapsule and one or more of divinyl tetramethyl disiloxane complex compound form.
Preferably, the raw material of above-mentioned high reinforcement flame resistant cable sheath material comprises by weight:
Phenyl siloxane rubber 87-93 part, thermal silica 22-23 part, precipitated silica 14-15 part, octamethylcyclotetrasiloxane 1.7-1.9 part, calcium carbonate 45-47 part, silica powder 8-11 part, hydroxy silicon oil 1.3-1.5 part, polysiloxane 1.8-2.1 part, platinum catalyst 0.00048-0.00053 part, aluminium hydroxide 18-20 part, magnesium hydroxide 21-23 part, dioctahedron alkaline silicate aluminium 1.2-1.3 part, trioctahedron alkaline silicate aluminium 0.5-0.6 part, zinc oxide 4-6 part.
Preferably, the raw material of above-mentioned high reinforcement flame resistant cable sheath material comprises by weight:
92 parts of phenyl siloxane rubbers, 22 parts of thermal silicas, 14.5 parts of precipitated silicas, 1.8 parts of octamethylcyclotetrasiloxanes, carbonic acid Ca45 part, 9 parts of silica powders, 1.5 parts of hydroxy silicon oils, 1.8 parts of polysiloxane, 0.00051 part of platinum catalyst, 18 parts, aluminium hydroxide, 21.5 parts of magnesium hydroxides, 1.25 parts, dioctahedron alkaline silicate aluminium, 0.55 part, trioctahedron alkaline silicate aluminium, 4.6 parts, zinc oxide.
The preparation method who the invention also discloses a kind of high reinforcement flame resistant cable sheath material, comprises the steps:
S1, take phenyl siloxane rubber, thermal silica, precipitated silica and hydroxy silicon oil by proportioning, send in kneader mixingly, melting temperature is 170-180 DEG C, and mixing time is 1-1.5h, and the material obtaining is cooled to 45-50 DEG C;
S2, take octamethylcyclotetrasiloxane, zinc oxide, calcium carbonate, silica powder, aluminium hydroxide, magnesium hydroxide, dioctahedron alkaline silicate aluminium and trioctahedron alkaline silicate aluminium by proportioning, send in above-mentioned kneader, continue mixing 30-40min with the cooled material of above-mentioned S1, discharge, filter glue, be cooled to normal temperature;
S3, take polysiloxane and platinum catalyst by proportioning, and together with the material obtaining with above-mentioned S2, be placed in mill and mix, obtain high reinforcement flame resistant cable sheath material.
In the present invention, rubber adopts phenyl siloxane rubber, appropriate thermal silica and the precipitated silica of adding, and with octamethylcyclotetrasiloxane as surface treatment agent, not only the ablation resistance of cable sheath is good, and can significantly improve the intensity of cross-linked rubber, improve hydrophobicity, filling properties is good, and the reinforcement strength of sheath material also obviously improves, with calcium carbonate and silica powder use, the hardness of adjustable cross-linked rubber, improve the extrusion performance of sizing material and reduce costs, adding appropriate hydroxy silicon oil to ensure processing characteristics, suppressing the structurizing of sizing material, because siloxane main chain under high temperature decomposes, generate rapidly low molecular ring bodies and burn away, platinum catalyst with accelerating oxidation on the silastic surface contacting in air, degraded is to form high crosslinking structure, surperficial organic group is reduced, formation is similar to the silicone film not firing and has shielded air, cable sheath is from putting out, pure aluminium silicate and zinc oxide are used in conjunction with the fusing point that can reduce pure aluminium silicate, make cable sheath start at a lower temperature sclerosis and reach certain hardness and intensity, thereby performance fire-proof function, add appropriate zinc, can improve the flame retardant resistance of aluminium hydroxide, produce with the collaborative smog that reduces of aluminium hydroxide, improve oxygen index, reduce smoke density, add appropriate zinc borate and can improve flame retardant properties, and slightly improve fire-retardant intensity, wherein under magnesium hydroxide and aluminium hydroxide high temperature, discharge water vapour, generate aluminum oxide and magnesium oxide, the water vapour discharging can make temperature of combustion reduce, flame retardant effect is obvious.
Embodiment
Embodiment 1
A kind of high reinforcement flame resistant cable sheath material, its raw material comprises by weight:
88 parts of phenyl siloxane rubbers, 24 parts of thermal silicas, 16 parts of precipitated silicas, 1.7 parts of octamethylcyclotetrasiloxanes, 42 parts, calcium carbonate, 12 parts of silica powders, 1.3 parts of hydroxy silicon oils, 2.1 parts of polysiloxane, 0.00036 part of platinum catalyst, 22 parts, aluminium hydroxide, 18 parts of magnesium hydroxides, 1.2 parts, dioctahedron alkaline silicate aluminium, 0.6 part, trioctahedron alkaline silicate aluminium, 4 parts, zinc oxide.
In the present embodiment, the preparation method of above-mentioned high reinforcement flame resistant cable sheath material comprises the steps:
S1, take phenyl siloxane rubber, thermal silica, precipitated silica and hydroxy silicon oil by proportioning, send in kneader mixingly, melting temperature is 173 DEG C, and mixing time is 1.4h, and the material obtaining is cooled to 48 DEG C;
S2, take octamethylcyclotetrasiloxane, zinc oxide, calcium carbonate, silica powder, aluminium hydroxide, magnesium hydroxide, dioctahedron alkaline silicate aluminium and trioctahedron alkaline silicate aluminium by proportioning, send in above-mentioned kneader, continue mixing 35min with the cooled material of above-mentioned S1, discharge, filter glue, be cooled to normal temperature;
S3, take polysiloxane and platinum catalyst by proportioning, and together with the material obtaining with above-mentioned S2, be placed in mill and mix, obtain high reinforcement flame resistant cable sheath material.
Embodiment 2
A kind of high reinforcement flame resistant cable sheath material, its raw material comprises by weight:
92 parts of phenyl siloxane rubbers, 21 parts of thermal silicas, 14 parts of precipitated silicas, 1.7 parts of octamethylcyclotetrasiloxanes, carbonic acid Ca45 part, 8 parts of silica powders, 1.4 parts of hydroxy silicon oils, 2.1 parts of polysiloxane, 0.00052 part of platinum catalyst, 19 parts, aluminium hydroxide, 18 parts of magnesium hydroxides, 1.2 parts, dioctahedron alkaline silicate aluminium, 0.6 part, trioctahedron alkaline silicate aluminium, 4 parts, zinc oxide.
In the present embodiment, the preparation method of above-mentioned high reinforcement flame resistant cable sheath material comprises the steps:
S1, take phenyl siloxane rubber, thermal silica, precipitated silica and hydroxy silicon oil by proportioning, send in kneader mixingly, melting temperature is 175 DEG C, and mixing time is 1.2h, and the material obtaining is cooled to 48 DEG C;
S2, take octamethylcyclotetrasiloxane, zinc oxide, calcium carbonate, silica powder, aluminium hydroxide, magnesium hydroxide, dioctahedron alkaline silicate aluminium and trioctahedron alkaline silicate aluminium by proportioning, send in above-mentioned kneader, continue mixing 38min with the cooled material of above-mentioned S1, discharge, filter glue, be cooled to normal temperature;
S3, take polysiloxane and platinum catalyst by proportioning, and together with the material obtaining with above-mentioned S2, be placed in mill and mix, obtain high reinforcement flame resistant cable sheath material.
Embodiment 3
A kind of high reinforcement flame resistant cable sheath material, its raw material comprises by weight:
90 parts of phenyl siloxane rubbers, 23 parts of thermal silicas, 16 parts of precipitated silicas, 1.9 parts of octamethylcyclotetrasiloxanes, 43 parts, calcium carbonate, 11 parts of silica powders, 1.5 parts of hydroxy silicon oils, 1.8 parts of polysiloxane, 0.00043 part of platinum catalyst, 21 parts, aluminium hydroxide, 21 parts of magnesium hydroxides, 1.2 parts, dioctahedron alkaline silicate aluminium, 0.6 part, trioctahedron alkaline silicate aluminium, 6.7 parts, zinc oxide.
In the present embodiment, the preparation method of above-mentioned high reinforcement flame resistant cable sheath material comprises the steps:
S1, take phenyl siloxane rubber, thermal silica, precipitated silica and hydroxy silicon oil by proportioning, send in kneader mixingly, melting temperature is 180 DEG C, and mixing time is 1.4h, and the material obtaining is cooled to 46 DEG C;
S2, take octamethylcyclotetrasiloxane, zinc oxide, calcium carbonate, silica powder, aluminium hydroxide, magnesium hydroxide, dioctahedron alkaline silicate aluminium and trioctahedron alkaline silicate aluminium by proportioning, send in above-mentioned kneader, continue mixing 32min with the cooled material of above-mentioned S1, discharge, filter glue, be cooled to normal temperature;
S3, take polysiloxane and platinum catalyst by proportioning, and together with the material obtaining with above-mentioned S2, be placed in mill and mix, obtain high reinforcement flame resistant cable sheath material.
Embodiment 4
A kind of high reinforcement flame resistant cable sheath material, its raw material comprises by weight:
87 parts of phenyl siloxane rubbers, 23 parts of thermal silicas, 16 parts of precipitated silicas, 1.9 parts of octamethylcyclotetrasiloxanes, 43 parts, calcium carbonate, 8 parts of silica powders, 1.3 parts of hydroxy silicon oils, 1.7 parts of polysiloxane, 0.00047 part of platinum catalyst, 19 parts, aluminium hydroxide, 23 parts of magnesium hydroxides, 1.2 parts, dioctahedron alkaline silicate aluminium, 0.65 part, trioctahedron alkaline silicate aluminium, 5 parts, zinc oxide.
In the present embodiment, the preparation method of above-mentioned high reinforcement flame resistant cable sheath material comprises the steps:
S1, take phenyl siloxane rubber, thermal silica, precipitated silica and hydroxy silicon oil by proportioning, send in kneader mixingly, melting temperature is 171 DEG C, and mixing time is 1h, and the material obtaining is cooled to 48 DEG C;
S2, take octamethylcyclotetrasiloxane, zinc oxide, calcium carbonate, silica powder, aluminium hydroxide, magnesium hydroxide, dioctahedron alkaline silicate aluminium and trioctahedron alkaline silicate aluminium by proportioning, send in above-mentioned kneader, continue mixing 34min with the cooled material of above-mentioned S1, discharge, filter glue, be cooled to normal temperature;
S3, take polysiloxane and platinum catalyst by proportioning, and together with the material obtaining with above-mentioned S2, be placed in mill and mix, obtain high reinforcement flame resistant cable sheath material.
Embodiment 5
A kind of high reinforcement flame resistant cable sheath material, its raw material comprises by weight:
92 parts of phenyl siloxane rubbers, 22 parts of thermal silicas, 14.5 parts of precipitated silicas, 1.8 parts of octamethylcyclotetrasiloxanes, carbonic acid Ca45 part, 9 parts of silica powders, 1.5 parts of hydroxy silicon oils, 1.8 parts of polysiloxane, 0.00051 part of platinum catalyst, 18 parts, aluminium hydroxide, 21.5 parts of magnesium hydroxides, 1.25 parts, dioctahedron alkaline silicate aluminium, 0.55 part, trioctahedron alkaline silicate aluminium, 4.6 parts, zinc oxide.
In the present embodiment, the preparation method of above-mentioned high reinforcement flame resistant cable sheath material comprises the steps:
S1, take phenyl siloxane rubber, thermal silica, precipitated silica and hydroxy silicon oil by proportioning, send in kneader mixingly, melting temperature is 176 DEG C, and mixing time is 1.2h, and the material obtaining is cooled to 48 DEG C;
S2, take octamethylcyclotetrasiloxane, zinc oxide, calcium carbonate, silica powder, aluminium hydroxide, magnesium hydroxide, dioctahedron alkaline silicate aluminium and trioctahedron alkaline silicate aluminium by proportioning, send in above-mentioned kneader, continue mixing 35min with the cooled material of above-mentioned S1, discharge, filter glue, be cooled to normal temperature;
S3, take polysiloxane and platinum catalyst by proportioning, and together with the material obtaining with above-mentioned S2, be placed in mill and mix, obtain high reinforcement flame resistant cable sheath material.
In above-described embodiment 1-5, rubber adopts phenyl siloxane rubber, appropriate thermal silica and the precipitated silica of adding, and with octamethylcyclotetrasiloxane as surface treatment agent, not only the ablation resistance of cable sheath is good, and can significantly improve the intensity of cross-linked rubber, improve hydrophobicity, filling properties is good, and the reinforcement strength of sheath material also obviously improves, with calcium carbonate and silica powder use, the hardness of adjustable cross-linked rubber, improve the extrusion performance of sizing material and reduce costs, adding appropriate hydroxy silicon oil to ensure processing characteristics, suppressing the structurizing of sizing material, because siloxane main chain under high temperature decomposes, generate rapidly low molecular ring bodies and burn away, platinum catalyst with accelerating oxidation on the silastic surface contacting in air, degraded is to form high crosslinking structure, surperficial organic group is reduced, formation is similar to the silicone film not firing and has shielded air, cable sheath is from putting out, pure aluminium silicate and zinc oxide are used in conjunction with the fusing point that can reduce pure aluminium silicate, make cable sheath start at a lower temperature sclerosis and reach certain hardness and intensity, thereby performance fire-proof function, add appropriate zinc, can improve the flame retardant resistance of aluminium hydroxide, produce with the collaborative smog that reduces of aluminium hydroxide, improve oxygen index, reduce smoke density, add appropriate zinc borate and can improve flame retardant properties, and slightly improve fire-retardant intensity, wherein under magnesium hydroxide and aluminium hydroxide high temperature, discharge water vapour, generate aluminum oxide and magnesium oxide, the water vapour discharging can make temperature of combustion reduce, flame retardant effect is obvious.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (9)
1. a high reinforcement flame resistant cable sheath material, is characterized in that, its raw material comprises by weight:
Phenyl siloxane rubber 85-95 part, thermal silica 20-25 part, precipitated silica 13-17 part, octamethylcyclotetrasiloxane 1.5-2 part, calcium carbonate 40-50 part, silica powder 5-13 part, hydroxy silicon oil 1.2-1.7 part, polysiloxane 1.5-2.3 part, platinum catalyst 0.00026-0.00058 part, aluminium hydroxide 17-23 part, magnesium hydroxide 15-25 part, dioctahedron alkaline silicate aluminium 1-1.5 part, trioctahedron alkaline silicate aluminium 0.4-0.7 part, zinc oxide 3-8 part.
2. high reinforcement flame resistant cable sheath material according to claim 1, is characterized in that, its raw material also comprises 0.8-1.3 part zinc by weight.
3. high reinforcement flame resistant cable sheath material according to claim 1, is characterized in that, its raw material also comprises 0.5-0.8 part zinc borate by weight.
4. high reinforcement flame resistant cable sheath material according to claim 1, it is characterized in that, dioctahedron alkaline silicate aluminium and trioctahedron alkaline silicate aluminium pass through respectively silane coupling agent processing, and described silane coupling agent is one or both of vinyltrimethoxy silane or mercaptopropyl trimethoxysilane.
5. high reinforcement flame resistant cable sheath material according to claim 1, is characterized in that, in hydroxy silicon oil, hydroxyl massfraction is 0.083-0.092%.
6. high reinforcement flame resistant cable sheath material according to claim 1, it is characterized in that, platinum catalyst is by the aqueous isopropanol of Platinic chloride, Platinic chloride or be coated on the Platinic chloride of silicone resin surface of microcapsule and one or more of divinyl tetramethyl disiloxane complex compound form.
7. according to the high reinforcement flame resistant cable sheath material described in any one in claim 1-6, it is characterized in that, its raw material comprises by weight:
Phenyl siloxane rubber 87-93 part, thermal silica 22-23 part, precipitated silica 14-15 part, octamethylcyclotetrasiloxane 1.7-1.9 part, calcium carbonate 45-47 part, silica powder 8-11 part, hydroxy silicon oil 1.3-1.5 part, polysiloxane 1.8-2.1 part, platinum catalyst 0.00048-0.00053 part, aluminium hydroxide 18-20 part, magnesium hydroxide 21-23 part, dioctahedron alkaline silicate aluminium 1.2-1.3 part, trioctahedron alkaline silicate aluminium 0.5-0.6 part, zinc oxide 4-6 part.
8. high reinforcement flame resistant cable sheath material according to claim 7, is characterized in that, its raw material comprises by weight:
92 parts of phenyl siloxane rubbers, 22 parts of thermal silicas, 14.5 parts of precipitated silicas, 1.8 parts of octamethylcyclotetrasiloxanes, carbonic acid Ca45 part, 9 parts of silica powders, 1.5 parts of hydroxy silicon oils, 1.8 parts of polysiloxane, 0.00051 part of platinum catalyst, 18 parts, aluminium hydroxide, 21.5 parts of magnesium hydroxides, 1.25 parts, dioctahedron alkaline silicate aluminium, 0.55 part, trioctahedron alkaline silicate aluminium, 4.6 parts, zinc oxide.
9. according to a preparation method for the high reinforcement flame resistant cable sheath material described in any one in claim 1-6, it is characterized in that, comprise the steps:
S1, take phenyl siloxane rubber, thermal silica, precipitated silica and hydroxy silicon oil by proportioning, send in kneader mixingly, melting temperature is 170-180 DEG C, and mixing time is 1-1.5h, and the material obtaining is cooled to 45-50 DEG C;
S2, take octamethylcyclotetrasiloxane, zinc oxide, calcium carbonate, silica powder, aluminium hydroxide, magnesium hydroxide, dioctahedron alkaline silicate aluminium and trioctahedron alkaline silicate aluminium by proportioning, send in above-mentioned kneader, continue mixing 30-40min with the cooled material of above-mentioned S1, discharge, filter glue, be cooled to normal temperature;
S3, take polysiloxane and platinum catalyst by proportioning, and together with the material obtaining with above-mentioned S2, be placed in mill and mix, obtain high reinforcement flame resistant cable sheath material.
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| CN104934909A (en) * | 2015-06-01 | 2015-09-23 | 金海新源电气江苏有限公司 | Light fireproof high-strength cable bridge and machining method therefor |
| CN105885424A (en) * | 2016-06-12 | 2016-08-24 | 安徽天元电缆有限公司 | Fire-proof material for power cable |
| CN105885422A (en) * | 2016-05-20 | 2016-08-24 | 安徽新科电缆集团股份有限公司 | Flame-retardant cable sheath and preparation method thereof |
| CN106280476A (en) * | 2016-08-31 | 2017-01-04 | 李健 | A kind of fire-resistant rubber and preparation method thereof |
| CN106280475A (en) * | 2016-08-30 | 2017-01-04 | 安徽蓝德集团股份有限公司 | A kind of Graphene modified silicon rubber cable sheath material |
| CN106349702A (en) * | 2016-08-23 | 2017-01-25 | 陈建琴 | High-strength silicone rubber material for cable |
| CN107531998A (en) * | 2015-06-17 | 2018-01-02 | 瓦克化学股份公司 | Low cyclic compound contains quartzy silicon-ketone composition |
| CN107722626A (en) * | 2017-09-15 | 2018-02-23 | 安徽伙伴电气有限公司 | A kind of nuclear power station signal cable rubber sleeve material preparation method |
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| CN104934909A (en) * | 2015-06-01 | 2015-09-23 | 金海新源电气江苏有限公司 | Light fireproof high-strength cable bridge and machining method therefor |
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| CN105885424A (en) * | 2016-06-12 | 2016-08-24 | 安徽天元电缆有限公司 | Fire-proof material for power cable |
| CN106349702A (en) * | 2016-08-23 | 2017-01-25 | 陈建琴 | High-strength silicone rubber material for cable |
| CN106280475A (en) * | 2016-08-30 | 2017-01-04 | 安徽蓝德集团股份有限公司 | A kind of Graphene modified silicon rubber cable sheath material |
| CN106280476A (en) * | 2016-08-31 | 2017-01-04 | 李健 | A kind of fire-resistant rubber and preparation method thereof |
| CN107722626A (en) * | 2017-09-15 | 2018-02-23 | 安徽伙伴电气有限公司 | A kind of nuclear power station signal cable rubber sleeve material preparation method |
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Application publication date: 20140723 |