CN105462081A - Rubber sheath material used by self-regulating electric tracing band - Google Patents
Rubber sheath material used by self-regulating electric tracing band Download PDFInfo
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- CN105462081A CN105462081A CN201511015265.XA CN201511015265A CN105462081A CN 105462081 A CN105462081 A CN 105462081A CN 201511015265 A CN201511015265 A CN 201511015265A CN 105462081 A CN105462081 A CN 105462081A
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- electric tracing
- tracing band
- rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
Abstract
The invention discloses a rubber sheath material used by a self-regulating electric tracing band. The rubber sheath material comprises the following raw materials in parts by weight: 70-100 parts of ethylene propylene diene monomer, 20-50 parts of carboxylated nitrile rubber, 25-30 parts of chloroprene rubber, 1-3 parts of dicumyl peroxide, 2-6 parts of 2,5-dimethyl-2,5-di(t-butylperoxy)-3-hexyne, 1-2 parts of triallyl isocyanurate, 0.5-2 parts of sodium dichromate, 50-70 parts of modified glass fibers, 20-40 parts of graphite powder, 5-15 parts of high abrasion furnace black, 10-20 parts of silicon carbide, 8-16 parts of kaolin, 20-35 parts of copper powder, 1-2 parts of antioxidant AT-215, 2-6 parts of sodium lignosulphonate, 1-2 parts of diisodecyl phthalate, 1-2 parts of polyvinyl butyral, 1-2 parts of liquid coumarone resin and 0.8-1.5 parts of tributyl citrate. The rubber sheath material has good heat transfer performance, high hardness and excellent abrasion resistance.
Description
Technical field
The present invention relates to field of rubber technology, particularly relate to a kind of temperature selflimiting electric tracing band rubber sleeve material.
Background technology
Electric-heating belt, since last century, the seventies entered Application Areas, has become electric-heating belt type the most general in the world today, and it is widely used in heating highway, ramp, crossing, eaves and floor etc.Self-limited type electric-heating belt is inner, and be dispersed with the PTC macromolecular material of heat effect between two conductive core, its outside is made up of polymer sheath, metallic shield net and polymer oversheath.In domestic at present for the outer layer rubber sheath of temperature selflimiting electric tracing band owing to still can not meet demand by environment for use restriction, especially cold environment in the winter time, the thermal conduction of current temperature selflimiting electric tracing band rubber sheath, hardness and wear resistance also can not meet demand.
Summary of the invention
The present invention proposes a kind of temperature selflimiting electric tracing band rubber sleeve material, good thermal conduction, hardness is high, and wear resisting property is excellent.
A kind of temperature selflimiting electric tracing band rubber sleeve material that the present invention proposes, its raw material comprises by weight: terpolymer EP rubber 70 ~ 100 parts, carboxy nitrile rubber 20 ~ 50 parts, chloroprene rubber 25 ~ 30 parts, dicumyl peroxide 1 ~ 3 part, 2, 5-dimethyl-2, 5-bis-(t-butylperoxy)-3-hexin 2 ~ 6 parts, triallyl isocyanurate 1 ~ 2 part, sodium dichromate 99 0.5 ~ 2 part, modified glass-fiber 50 ~ 70 parts, Graphite Powder 99 20 ~ 40 parts, high wear-resistant carbon black 5 ~ 15 parts, 10 ~ 20 parts, silicon carbide, kaolin 8 ~ 16 parts, copper powder 20 ~ 35 parts, oxidation inhibitor AT-2151 ~ 2 part, sodium lignosulfonate 2 ~ 6 parts, Di Iso Decyl Phthalate 1 ~ 2 part, polyvinyl butyral acetal 1 ~ 2 part, liquid coumarone indene resin 1 ~ 2 part, tributyl citrate 0.8 ~ 1.5 part.
Preferably, modified glass-fiber adopts following technique to prepare: under nitrogen protection, after Silane coupling agent KH550, deionized water, glass fibre mixing, stirs, filters, washing, dry and obtain the first prefabricated material; By sodium borohydride solution, Silver Nitrate, trisodium citrate, deionized water and stirring evenly, leave standstill and obtain the second prefabricated material; In the first prefabricated material, add nylon 6, PVP, cetyl trimethylammonium bromide, xitix, deionized water mix, add the second prefabricated material to mix, then adding salpeter solution regulation system pH value is 5 ~ 5.7, Silver Nitrate is added under whipped state, add completely and continue to stir, centrifugation, washing, dry, send in forcing machine and once extrude, extrusion temperature is 215 ~ 235 DEG C, pelletizing, dries, then send into secondary in forcing machine to extrude, extrusion temperature is 250 ~ 270 DEG C, pelletizing, dries and obtains modified glass-fiber.
Preferably, in the preparation technology of modified glass-fiber, the weight ratio of Silane coupling agent KH550, glass fibre, PVP, cetyl trimethylammonium bromide is 10 ~ 16:5 ~ 12:2 ~ 2.8:2 ~ 4.5.
Preferably, in the preparation technology of modified glass-fiber, the weight ratio of Silane coupling agent KH550, trisodium citrate, nylon 6 is 10 ~ 16:8 ~ 14:35 ~ 45.
Preferably, modified glass-fiber adopts following technique to prepare: under nitrogen protection, by weight by 10 ~ 16 parts of Silane coupling agent KH550s, 50 ~ 80 parts of deionized waters, 5 ~ 12 parts of glass fibre mixing, 20 ~ 35min is stirred with the speed of 350 ~ 450r/min, whipping temp is 75 ~ 85 DEG C, filter, washing, dry and obtain the first prefabricated material, be the sodium borohydride solution of 2 ~ 4mmol/L by 5 ~ 12 parts of concentration, 15 ~ 35 parts of Silver Nitrates, 8 ~ 14 parts of trisodium citrates, 40 ~ 80 parts of deionized waters carry out stirring 10 ~ 16min, stirring velocity 180 ~ 230r/min, leave standstill 5 ~ 12h and obtain the second prefabricated material, 35 ~ 45 parts of nylon 6 are added in the first prefabricated material, 2 ~ 2.8 parts of PVPs, 2 ~ 4.5 parts of cetyl trimethylammonium bromides, 3 ~ 12 parts of xitix, 50 ~ 100 parts of deionized waters mix, add the second prefabricated material to mix, then to add massfraction be the salpeter solution regulation system pH value of 3 ~ 4.5wt% is 5 ~ 5.7, 10 ~ 20 parts of Silver Nitrates are added under whipped state, add completely and continue stirring 15 ~ 35min, centrifugation, washing, dry, send in forcing machine and once extrude, extrusion temperature is 215 ~ 235 DEG C, pelletizing, dry, then send into secondary in forcing machine to extrude, extrusion temperature is 250 ~ 270 DEG C, pelletizing, oven dry obtains modified glass-fiber.
Preferably, the weight ratio of terpolymer EP rubber, carboxy nitrile rubber, chloroprene rubber is 80 ~ 86:30 ~ 40:26 ~ 28.
Preferably, the weight ratio of modified glass-fiber, Graphite Powder 99, high wear-resistant carbon black, silicon carbide, kaolin, copper powder is 60 ~ 66:30 ~ 34:8 ~ 12:14 ~ 17:10 ~ 14:26 ~ 30.
Preferably, the weight ratio of dioctyl phthalate, polyvinyl butyral acetal, liquid coumarone indene resin, tributyl citrate is 1.2 ~ 1.5:1.4 ~ 1.6:1.5 ~ 1.8:1 ~ 1.3.
Preferably, described temperature selflimiting electric tracing band rubber sleeve material, its raw material comprises by weight: terpolymer EP rubber 80 ~ 86 parts, carboxy nitrile rubber 30 ~ 40 parts, chloroprene rubber 26 ~ 28 parts, dicumyl peroxide 2 ~ 2.6 parts, 2, 5-dimethyl-2, 5-bis-(t-butylperoxy)-3-hexin 3 ~ 4.5 parts, triallyl isocyanurate 1.2 ~ 1.5 parts, sodium dichromate 99 1 ~ 1.6 part, modified glass-fiber 60 ~ 66 parts, Graphite Powder 99 30 ~ 34 parts, high wear-resistant carbon black 8 ~ 12 parts, 14 ~ 17 parts, silicon carbide, kaolin 10 ~ 14 parts, copper powder 26 ~ 30 parts, oxidation inhibitor AT-2151.2 ~ 1.5 part, sodium lignosulfonate 3 ~ 5 parts, Di Iso Decyl Phthalate 1.2 ~ 1.5 parts, polyvinyl butyral acetal 1.4 ~ 1.6 parts, liquid coumarone indene resin 1.5 ~ 1.8 parts, tributyl citrate 1 ~ 1.3 part.
The present invention produces synergy with terpolymer EP rubber, carboxy nitrile rubber, chloroprene rubber, adopt dicumyl peroxide, 2,5-dimethyl-2,5-bis-(t-butylperoxy)-3-hexin, triallyl isocyanurate, sodium dichromate 99 carry out collaborative sulfuration, make hardness of the present invention high, wear resistance is fabulous, and the modified glass-fiber added, high wear-resistant carbon black, silicon carbide, kaolin, copper powder synergy, can effectively strengthen mechanics of the present invention and heat conductivility.In modified glass-fiber, Silane coupling agent KH550 one end is oxyethyl group, silanol is formed after hydrolysis, organically combine with the hydroxyl of fiberglass surfacing, and the amino of the other end can react with the carboxyl on nylon 6, thus glass fibre and nylon 6 are combined closely, make the hardness of modified glass-fiber high, wear resistance is fabulous, fiberglass surfacing is surface irregularity after treatment, surface leaves cavity, utilize the macromolecular chain steric hindrance of PVP and the electrostatic repulsion of cetyl trimethylammonium bromide, the minimum particle diameter material obtained with the second prefabricated material effect, can be embedded in cavity, density of the present invention is increased, extreme hardness, wear resistance strengthens further, the simultaneously amino of Silane coupling agent KH550 and xitix, Silver Nitrate reacts, bonding force is extremely strong, make gained modified glass-fiber smooth surface, and between unclassified stores, compatibility is fabulous in raw material, wherein sodium lignosulfonate and unreacted Silane coupling agent KH550 can by terpolymer EP rubbers, carboxy nitrile rubber, chloroprene rubber and Graphite Powder 99, high wear-resistant carbon black, silicon carbide, kaolin, copper powder organically combines, make thermostability of the present invention, thermal conductivity is very excellent, and hardness and wear resistance is fabulous, further with Di Iso Decyl Phthalate, polyvinyl butyral acetal, liquid coumarone indene resin, tributyl citrate, oxidation inhibitor AT-215 acts synergistically, can ensure under the prerequisite that hardness is high, make the present invention's not frangibility, long service life.
Embodiment
Embodiment 1
A kind of temperature selflimiting electric tracing band rubber sleeve material, its raw material comprises by weight: terpolymer EP rubber 70 parts, carboxy nitrile rubber 50 parts, chloroprene rubber 25 parts, dicumyl peroxide 3 parts, 2, 5-dimethyl-2, 5-bis-(t-butylperoxy)-3-hexin 2 parts, triallyl isocyanurate 2 parts, sodium dichromate 99 0.5 part, modified glass-fiber 70 parts, Graphite Powder 99 20 parts, high wear-resistant carbon black 15 parts, 10 parts, silicon carbide, kaolin 16 parts, copper powder 20 parts, oxidation inhibitor AT-2152 part, sodium lignosulfonate 2 parts, Di Iso Decyl Phthalate 2 parts, polyvinyl butyral acetal 1 part, liquid coumarone indene resin 2 parts, tributyl citrate 0.8 part.
Embodiment 2
A kind of temperature selflimiting electric tracing band rubber sleeve material, its raw material comprises by weight: terpolymer EP rubber 100 parts, carboxy nitrile rubber 20 parts, chloroprene rubber 30 parts, dicumyl peroxide 1 part, 2, 5-dimethyl-2, 5-bis-(t-butylperoxy)-3-hexin 6 parts, triallyl isocyanurate 1 part, sodium dichromate 99 2 parts, modified glass-fiber 50 parts, Graphite Powder 99 40 parts, high wear-resistant carbon black 5 parts, 20 parts, silicon carbide, kaolin 8 parts, copper powder 35 parts, oxidation inhibitor AT-2151 part, sodium lignosulfonate 6 parts, Di Iso Decyl Phthalate 1 part, polyvinyl butyral acetal 2 parts, liquid coumarone indene resin 1 part, tributyl citrate 1.5 parts.
Embodiment 3
A kind of temperature selflimiting electric tracing band rubber sleeve material, its raw material comprises by weight: terpolymer EP rubber 86 parts, carboxy nitrile rubber 30 parts, chloroprene rubber 28 parts, dicumyl peroxide 2 parts, 2, 5-dimethyl-2, 5-bis-(t-butylperoxy)-3-hexin 4.5 parts, triallyl isocyanurate 1.2 parts, sodium dichromate 99 1.6 parts, modified glass-fiber 60 parts, Graphite Powder 99 34 parts, high wear-resistant carbon black 8 parts, 17 parts, silicon carbide, kaolin 10 parts, copper powder 30 parts, oxidation inhibitor AT-2151.2 part, sodium lignosulfonate 5 parts, Di Iso Decyl Phthalate 1.2 parts, polyvinyl butyral acetal 1.6 parts, liquid coumarone indene resin 1.5 parts, tributyl citrate 1.3 parts.
Modified glass-fiber adopts following technique to prepare: under nitrogen protection, by weight by 10 parts of Silane coupling agent KH550s, 80 parts of deionized waters, 5 parts of glass fibre mixing, stirs 20min with the speed of 450r/min, whipping temp is 85 DEG C, filter, washing, dry and obtain the first prefabricated material, be the sodium borohydride solution of 4mmol/L by 5 parts of concentration, 15 parts of Silver Nitrates, 14 parts of trisodium citrates, 40 parts of deionized waters carry out stirring 16min, stirring velocity 180r/min, standing 12h obtains the second prefabricated material, 35 parts of nylon 6 are added in the first prefabricated material, 2.8 parts of PVPs, 2 parts of cetyl trimethylammonium bromides, 12 parts of xitix, 50 parts of deionized waters mix, add the second prefabricated material to mix, then to add massfraction be the salpeter solution regulation system pH value of 4.5wt% is 5, 20 parts of Silver Nitrates are added under whipped state, add completely and continue to stir 15min, centrifugation, washing, dry, send in forcing machine and once extrude, extrusion temperature is 235 DEG C, pelletizing, dry, then send into secondary in forcing machine to extrude, extrusion temperature is 250 DEG C, pelletizing, oven dry obtains modified glass-fiber.
Embodiment 4
A kind of temperature selflimiting electric tracing band rubber sleeve material, its raw material comprises by weight: terpolymer EP rubber 80 parts, carboxy nitrile rubber 40 parts, chloroprene rubber 26 parts, dicumyl peroxide 2.6 parts, 2, 5-dimethyl-2, 5-bis-(t-butylperoxy)-3-hexin 3 parts, triallyl isocyanurate 1.5 parts, sodium dichromate 99 1 part, modified glass-fiber 66 parts, Graphite Powder 99 30 parts, high wear-resistant carbon black 12 parts, 14 parts, silicon carbide, kaolin 14 parts, copper powder 26 parts, oxidation inhibitor AT-2151.5 part, sodium lignosulfonate 3 parts, Di Iso Decyl Phthalate 1.5 parts, polyvinyl butyral acetal 1.4 parts, liquid coumarone indene resin 1.8 parts, tributyl citrate 1 part.
Modified glass-fiber adopts following technique to prepare: under nitrogen protection, by weight by 16 parts of Silane coupling agent KH550s, 50 parts of deionized waters, 12 parts of glass fibre mixing, stirs 35min with the speed of 350r/min, whipping temp is 75 DEG C, filter, washing, dry and obtain the first prefabricated material, be the sodium borohydride solution of 2mmol/L by 12 parts of concentration, 35 parts of Silver Nitrates, 8 parts of trisodium citrates, 80 parts of deionized waters carry out stirring 10min, stirring velocity 230r/min, standing 5h obtains the second prefabricated material, 45 parts of nylon 6 are added in the first prefabricated material, 2 parts of PVPs, 4.5 parts of cetyl trimethylammonium bromides, 3 parts of xitix, 100 parts of deionized waters mix, add the second prefabricated material to mix, then to add massfraction be the salpeter solution regulation system pH value of 3wt% is 5.7, 10 parts of Silver Nitrates are added under whipped state, add completely and continue to stir 35min, centrifugation, washing, dry, send in forcing machine and once extrude, extrusion temperature is 215 DEG C, pelletizing, dry, then send into secondary in forcing machine to extrude, extrusion temperature is 270 DEG C, pelletizing, oven dry obtains modified glass-fiber.
Embodiment 5
A kind of temperature selflimiting electric tracing band rubber sleeve material, its raw material comprises by weight: terpolymer EP rubber 84 parts, carboxy nitrile rubber 36 parts, chloroprene rubber 27 parts, dicumyl peroxide 2.3 parts, 2, 5-dimethyl-2, 5-bis-(t-butylperoxy)-3-hexin 3.8 parts, triallyl isocyanurate 1.45 parts, sodium dichromate 99 1.3 parts, modified glass-fiber 64 parts, Graphite Powder 99 32 parts, high wear-resistant carbon black 10.5 parts, 15.8 parts, silicon carbide, kaolin 12 parts, copper powder 28 parts, oxidation inhibitor AT-2151.35 part, sodium lignosulfonate 4.5 parts, Di Iso Decyl Phthalate 1.4 parts, polyvinyl butyral acetal 1.5 parts, liquid coumarone indene resin 1.6 parts, tributyl citrate 1.2 parts.
Modified glass-fiber adopts following technique to prepare: under nitrogen protection, by weight by 12 parts of Silane coupling agent KH550s, 68 parts of deionized waters, 10 parts of glass fibre mixing, stirs 26min with the speed of 410r/min, whipping temp is 82 DEG C, filter, washing, dry and obtain the first prefabricated material, be the sodium borohydride solution of 2.8mmol/L by 10 parts of concentration, 26 parts of Silver Nitrates, 12 parts of trisodium citrates, 60 parts of deionized waters carry out stirring 14min, stirring velocity 200r/min, standing 10h obtains the second prefabricated material, 39 parts of nylon 6 are added in the first prefabricated material, 2.4 parts of PVPs, 3.6 parts of cetyl trimethylammonium bromides, 8 parts of xitix, 80 parts of deionized waters mix, add the second prefabricated material to mix, then to add massfraction be the salpeter solution regulation system pH value of 4.2wt% is 5.4, 16 parts of Silver Nitrates are added under whipped state, add completely and continue to stir 26min, centrifugation, washing, dry, send in forcing machine and once extrude, extrusion temperature is 225 DEG C, pelletizing, dry, then send into secondary in forcing machine to extrude, extrusion temperature is 260 DEG C, pelletizing, oven dry obtains modified glass-fiber.
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 (9)
1. a temperature selflimiting electric tracing band rubber sleeve material, it is characterized in that, its raw material comprises by weight: terpolymer EP rubber 70 ~ 100 parts, carboxy nitrile rubber 20 ~ 50 parts, chloroprene rubber 25 ~ 30 parts, dicumyl peroxide 1 ~ 3 part, 2, 5-dimethyl-2, 5-bis-(t-butylperoxy)-3-hexin 2 ~ 6 parts, triallyl isocyanurate 1 ~ 2 part, sodium dichromate 99 0.5 ~ 2 part, modified glass-fiber 50 ~ 70 parts, Graphite Powder 99 20 ~ 40 parts, high wear-resistant carbon black 5 ~ 15 parts, 10 ~ 20 parts, silicon carbide, kaolin 8 ~ 16 parts, copper powder 20 ~ 35 parts, oxidation inhibitor AT-2151 ~ 2 part, sodium lignosulfonate 2 ~ 6 parts, Di Iso Decyl Phthalate 1 ~ 2 part, polyvinyl butyral acetal 1 ~ 2 part, liquid coumarone indene resin 1 ~ 2 part, tributyl citrate 0.8 ~ 1.5 part.
2. temperature selflimiting electric tracing band rubber sleeve material according to claim 1, it is characterized in that, modified glass-fiber adopts following technique to prepare: under nitrogen protection, after Silane coupling agent KH550, deionized water, glass fibre mixing, stir, filter, washing, dry and obtain the first prefabricated material; By sodium borohydride solution, Silver Nitrate, trisodium citrate, deionized water and stirring evenly, leave standstill and obtain the second prefabricated material; In the first prefabricated material, add nylon 6, PVP, cetyl trimethylammonium bromide, xitix, deionized water mix, add the second prefabricated material to mix, then adding salpeter solution regulation system pH value is 5 ~ 5.7, Silver Nitrate is added under whipped state, add completely and continue to stir, centrifugation, washing, dry, send in forcing machine and once extrude, extrusion temperature is 215 ~ 235 DEG C, pelletizing, dries, then send into secondary in forcing machine to extrude, extrusion temperature is 250 ~ 270 DEG C, pelletizing, dries and obtains modified glass-fiber.
3. temperature selflimiting electric tracing band rubber sleeve material according to claim 2, it is characterized in that, in the preparation technology of modified glass-fiber, the weight ratio of Silane coupling agent KH550, glass fibre, PVP, cetyl trimethylammonium bromide is 10 ~ 16:5 ~ 12:2 ~ 2.8:2 ~ 4.5.
4. temperature selflimiting electric tracing band rubber sleeve material according to claim 2, is characterized in that, in the preparation technology of modified glass-fiber, the weight ratio of Silane coupling agent KH550, trisodium citrate, nylon 6 is 10 ~ 16:8 ~ 14:35 ~ 45.
5. the temperature selflimiting electric tracing band rubber sleeve material according to any one of claim 1-4, it is characterized in that, modified glass-fiber adopts following technique to prepare: under nitrogen protection, by weight by 10 ~ 16 parts of Silane coupling agent KH550s, 50 ~ 80 parts of deionized waters, 5 ~ 12 parts of glass fibre mixing, stir 20 ~ 35min with the speed of 350 ~ 450r/min, whipping temp is 75 ~ 85 DEG C, filters, washing, dries and obtains the first prefabricated material, be the sodium borohydride solution of 2 ~ 4mmol/L by 5 ~ 12 parts of concentration, 15 ~ 35 parts of Silver Nitrates, 8 ~ 14 parts of trisodium citrates, 40 ~ 80 parts of deionized waters carry out stirring 10 ~ 16min, stirring velocity 180 ~ 230r/min, leave standstill 5 ~ 12h and obtain the second prefabricated material, 35 ~ 45 parts of nylon 6 are added in the first prefabricated material, 2 ~ 2.8 parts of PVPs, 2 ~ 4.5 parts of cetyl trimethylammonium bromides, 3 ~ 12 parts of xitix, 50 ~ 100 parts of deionized waters mix, add the second prefabricated material to mix, then to add massfraction be the salpeter solution regulation system pH value of 3 ~ 4.5wt% is 5 ~ 5.7, 10 ~ 20 parts of Silver Nitrates are added under whipped state, add completely and continue stirring 15 ~ 35min, centrifugation, washing, dry, send in forcing machine and once extrude, extrusion temperature is 215 ~ 235 DEG C, pelletizing, dry, then send into secondary in forcing machine to extrude, extrusion temperature is 250 ~ 270 DEG C, pelletizing, oven dry obtains modified glass-fiber.
6. the temperature selflimiting electric tracing band rubber sleeve material according to any one of Claims 1 to 5, is characterized in that, the weight ratio of terpolymer EP rubber, carboxy nitrile rubber, chloroprene rubber is 80 ~ 86:30 ~ 40:26 ~ 28.
7. the temperature selflimiting electric tracing band rubber sleeve material according to any one of claim 1 ~ 6, it is characterized in that, the weight ratio of modified glass-fiber, Graphite Powder 99, high wear-resistant carbon black, silicon carbide, kaolin, copper powder is 60 ~ 66:30 ~ 34:8 ~ 12:14 ~ 17:10 ~ 14:26 ~ 30.
8. the temperature selflimiting electric tracing band rubber sleeve material according to any one of claim 1 ~ 7, it is characterized in that, the weight ratio of dioctyl phthalate, polyvinyl butyral acetal, liquid coumarone indene resin, tributyl citrate is 1.2 ~ 1.5:1.4 ~ 1.6:1.5 ~ 1.8:1 ~ 1.3.
9. the temperature selflimiting electric tracing band rubber sleeve material according to any one of claim 1 ~ 8, it is characterized in that, its raw material comprises by weight: terpolymer EP rubber 80 ~ 86 parts, carboxy nitrile rubber 30 ~ 40 parts, chloroprene rubber 26 ~ 28 parts, dicumyl peroxide 2 ~ 2.6 parts, 2, 5-dimethyl-2, 5-bis-(t-butylperoxy)-3-hexin 3 ~ 4.5 parts, triallyl isocyanurate 1.2 ~ 1.5 parts, sodium dichromate 99 1 ~ 1.6 part, modified glass-fiber 60 ~ 66 parts, Graphite Powder 99 30 ~ 34 parts, high wear-resistant carbon black 8 ~ 12 parts, 14 ~ 17 parts, silicon carbide, kaolin 10 ~ 14 parts, copper powder 26 ~ 30 parts, oxidation inhibitor AT-2151.2 ~ 1.5 part, sodium lignosulfonate 3 ~ 5 parts, Di Iso Decyl Phthalate 1.2 ~ 1.5 parts, polyvinyl butyral acetal 1.4 ~ 1.6 parts, liquid coumarone indene resin 1.5 ~ 1.8 parts, tributyl citrate 1 ~ 1.3 part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511015265.XA CN105462081A (en) | 2015-12-31 | 2015-12-31 | Rubber sheath material used by self-regulating electric tracing band |
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| CN201511015265.XA CN105462081A (en) | 2015-12-31 | 2015-12-31 | Rubber sheath material used by self-regulating electric tracing band |
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| CN105462081A true CN105462081A (en) | 2016-04-06 |
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Cited By (3)
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| CN106589627A (en) * | 2016-12-27 | 2017-04-26 | 安徽亚兰密封件有限公司 | Abrasion resistance and impact resistance rubber sealing piece |
| CN106905620A (en) * | 2017-03-20 | 2017-06-30 | 河北凯旋密封件有限公司 | Weather strip for automobile sizing material and weather strip for automobile |
| CN115558179A (en) * | 2022-10-17 | 2023-01-03 | 扬州工业职业技术学院 | High-strength flame-retardant modified composite rubber |
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| CN102718016A (en) * | 2012-07-11 | 2012-10-10 | 安徽中意胶带有限责任公司 | High temperature resistant wire rope core flame-retardant conveying belt |
| CN104109290A (en) * | 2014-06-27 | 2014-10-22 | 安徽宁国尚鼎橡塑制品有限公司 | Heat-resistant and oil-resistant rubber material |
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| CN101541876A (en) * | 2007-03-01 | 2009-09-23 | Prs地中海有限公司 | Process for producing compatibilized polymer blends |
| CN101759923A (en) * | 2008-12-26 | 2010-06-30 | 上海杰事杰新材料股份有限公司 | Polypropylene composition for automobile bumper and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106589627A (en) * | 2016-12-27 | 2017-04-26 | 安徽亚兰密封件有限公司 | Abrasion resistance and impact resistance rubber sealing piece |
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| CN115558179A (en) * | 2022-10-17 | 2023-01-03 | 扬州工业职业技术学院 | High-strength flame-retardant modified composite rubber |
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Application publication date: 20160406 |