CN104292592A - Material for self-regulating heating/heat tracing cables and preparation method thereof - Google Patents
Material for self-regulating heating/heat tracing cables and preparation method thereof Download PDFInfo
- Publication number
- CN104292592A CN104292592A CN201410591991.5A CN201410591991A CN104292592A CN 104292592 A CN104292592 A CN 104292592A CN 201410591991 A CN201410591991 A CN 201410591991A CN 104292592 A CN104292592 A CN 104292592A
- Authority
- CN
- China
- Prior art keywords
- parts
- accompanying
- district
- limit temperature
- cable material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
- C08L2312/06—Crosslinking by radiation
Abstract
The invention discloses a material for 125 DEG C self-regulating heating/heat tracing cables. The material comprises the following components in parts by weight: 25-70 parts of high density polyethylene, 15-40 parts of thermoplastic elastomer, 15-40 parts of polyvinylidene fluoride, 20-40 parts of furnace black, 1-5 parts of acetylene black, 1-3 parts of a complex antioxidant and 1-5 parts of silicone master batch. The invention also discloses a cable material preparation method which comprises the following steps: smelting and mixing the various components according to a formula ratio through an internal mixer and then granulating through a single screw extruder; squeezing the obtained granules into wire through the extruder; performing irradiation crosslinking on the wire through an electron accelerator to obtain a heat conductive sheathing material for 125 DEG C irradiation crosslinking heating cables. The material provided by the invention has excellent PTC performance and stability performance, is long in use length (capable of reaching above 150 m), has sound mechanical property and is high temperature resistant, low temperature resistant, cold resistant and oil resistant.
Description
Technical field
The present invention relates to a kind of PTC conducting function material and preparation method thereof, particularly a kind of polymer matrix PTC conducting function material and preparation method thereof, be applied to cable core ribbon material radiation processing technology field.
Background technology
Compared with traditional ceramic mould ptc material, organic PTC conducting function material has many obvious advantages: matter is soft, can around, PTC intensity is large, technique is simple, production cost is low, easy machine-shaping, and the intrinsic NTC phenomenon of Ceramic PTC materials can be eliminated, reliability greatly improves, and is the focus of modern PTC conducting function developing material development.At present, only there are a few countries such as U.S., day, moral to grasp more advanced organic PTC material technology, and develop corresponding product.The manufacture and exploit of domestic PTC conducting function matrix material also reaches a certain scale, but still has some gaps compared with same kind of products at abroad.The subject matter existed is: the repeatability of ptc material is poor, and the life-span is short, and namely stability is bad.Especially multi-functional ptc material, as required oil resistant, explosion-proof, fire-retardant etc. at some special occasions, then can not satisfy the demands still far away.As adding from limit temperature/and heating tape then requires that starting current is little, response temperature is stablized, and long-term heating power is constant; High molecular PTC conducing composite material is heterogeneous compound system, non-linear effect is utilized to design multi-functional intelligent material, be difficult to weigh by a kind of physical quantity or indivedual index, still can not explain its relation be-tween structure and properties completely theoretically at present, not only there is certain theory significance to its further investigation, and there is certain social benefit.But at present domestic and international to manufactured by PTC conductive plastics from limit temperature add/that heating tape Compound Machining makes technical study used is less.But report seldom about the orientation of PE/CB matrix material and the relation of conductivity, this is the limitation of instantaneity, particularly research method due to the complicacy in the course of processing and solid particle movement.Therefore the course of processing has important impact to its performance.Although prior art has carried out many-sided research to polymer matrix PTC material, also the more polymer matrix PTC material with excellent properties has been prepared, but so far, high temperature adds/accompanies hot material due to reasons such as processing from limit temperature, the defects such as still existence and stability is poor, and use length is short.
Summary of the invention
In order to solve prior art problem, the object of the invention is to the deficiency overcoming prior art existence, a kind of 125 DEG C are provided to add/accompanying-heat cable material and preparation method thereof from limit temperature, prepared heating cables with adding from limit temperature/accompanying-heat cable material has excellent PTC performance and stability, use length is long, has excellent mechanical property and high and low temperature resistance simultaneously.Cross-linking radiation cable core ribbon material prepared by the present invention, there is excellent heating properties, starting current is low, use length can reach more than 150 meters, by power on/off test in 1080 hours, there is excellent cold-resistant and oil resistance simultaneously, meet IE standard performance completely and require and GB/T19835-2005 requirement.
Create object for reaching foregoing invention, the present invention adopts following technical proposals:
A kind of 125 DEG C add/accompanying-heat cable material from limit temperature, it is made primarily of following raw material by weight: high density polyethylene(HDPE) (HDPE) is 25-70 part, thermoplastic elastomer (EBA) is 15-40 part, segregation vinyl fluoride (PVDF) is 15-40 part, furnace treated black is 20-40 part, acetylene method carbon black is 1-5 part, and composite antioxidant is 1-3 part, and silicone master batch is 1-5 part.
As the preferred technical scheme of the present invention, the poly number-average molecular weight 5 ~ 150,000 of above-specified high density, 190 DEG C is I ~ 5g/10min with the melting index under 2.16kg.
As the preferred technical scheme of technique scheme, described thermoplastic elastomer is ethylene-propylene copolymer, the butyl acrylate mass percentage content of described ethylene-butyl acrylate copolymer is 40 ~ 60wt%, and 190 DEG C is 3 ~ 5g/10min with the melting index under 2.16kg.
As the preferred technical scheme of technique scheme, the poly number-average molecular weight 8 ~ 150,000 of described inclined fluorine, the melting index under 190 ° of C and 2.16kg is 2 ~ 5g/10min.
As the preferred technical scheme of technique scheme, the particle diameter D50 of described furnace treated black is I ~ 2 micron, order number 4000 ~ 8000 order.
As the preferred technical scheme of technique scheme, described composite antioxidant is made up of following compositions in weight percentage: calcium stearate 35 ~ 55 parts, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] Ji Shusi alcohol ester 35 ~ 60 parts.
As the preferred technical scheme of technique scheme, described silicone master batch is made up of following compositions in weight percentage: 10 ~ 20 parts of Low Density Polyethylenes, 45 ~ 75 parts of siloxanes, 15 ~ 55 parts of silicon-dioxide.
As the preferred technical scheme of technique scheme, described Low Density Polyethylene number-average molecular weight 5 ~ 100,000, the melting index 5 ~ 10g/10min under 190 DEG C and 2.16kg.
As the preferred technical scheme of technique scheme, described siloxanes is methyl vinyl silicone, methyl vinyl silicone number-average molecular weight 60 ~ 1,000,000.
As the preferred technical scheme of technique scheme, described silicon-dioxide is precipitated silica, and order number is 5000 ~ 6000 orders.
The present invention 125 DEG C adds the/preparation method of accompanying-heat cable material from limit temperature, comprises the steps:
A. first according to following composition weight number, weigh each component of formula, that is: high density polyethylene(HDPE) is 25-70 part, thermoplastic elastomer is 15-40 part, segregation vinyl fluoride is 15-40 part, and furnace treated black is 20-40 part, and acetylene method carbon black is 1-5 part, composite antioxidant is 1-3 part, and silicone master batch is 1-5 part;
B. then in described step a, will pass through Banbury mixer melt blending by load weighted each raw material, banburying temperature is 160-185 DEG C, and the banburying time is 15-25 minute, then successively by single screw extrusion machine granulation; As preferred technical scheme, single screw extrusion machine is divided into seven districts, the working temperature in each district is: the firstth district is 110-115 DEG C, secondth district is 115-120 DEG C, 3rd district is 115-120 DEG C, and the 4th district is 120-125 DEG C, and the 5th district is 120-125 DEG C, 6th district is 120-130 DEG C, and SECTOR-SEVEN is 125-130 DEG C;
C. the particle will prepared through step b, then extrude wire rod by forcing machine; As preferred technical scheme, forcing machine is divided into four districts, and the working temperature in each district is: the firstth district is 150-160 DEG C, and the secondth district is 165-175 DEG C, and the 3rd district is 165-175 DEG C, and the 4th district is 170-180 DEG C;
D. the wire rod prepared through step c is carried out cross-linking radiation through rumbatron again, by aftertreatment, finally obtain cross-linking radiation heating cables highly thermally conductive polymeric sheath material.
The present invention compared with prior art, has following apparent outstanding substantive distinguishing features and remarkable advantage:
1. the cross-linking radiation cable material that prepared by the present invention has excellent heating properties, starting current is low, use length can reach more than 150 meters, by power on/off test in 1080 hours, there is excellent cold-resistant and oil resistance simultaneously, meet IE standard performance completely and require and GB/T19835-2005 requirement;
2. the cross-linking radiation cable material that prepared by the present invention has excellent PTC performance and stability, uses length long, has excellent mechanical property and high and low temperature resistance simultaneously.
Embodiment
Details are as follows for the preferred embodiments of the present invention:
embodiment one:
In the present embodiment, a kind of 125 ° of C cross-linking radiation heating cables heat conduction jacketed cable materials, make primarily of following raw material: high density polyethylene(HDPE) (HDPE): 35 parts by weight; Thermoplastic elastomer (EBA): 15 parts; Inclined fluorine polyethylene (PVDF), 15 parts; Furnace treated black 30 parts; Acetylene method carbon black: 2 parts, composite antioxidant 2 parts; Silicone master batch: 2 parts.
In the present embodiment, 125 DEG C add the/preparation method of accompanying-heat cable material from limit temperature, comprise the steps:
A. first each component of formula is weighed according to composition weight number;
B. then in described step a, will pass through Banbury mixer melt blending by load weighted each raw material, banburying 25 minutes, that is: first add the carbon black of half formula ratio, when banburying temperature reaches 130 DEG C, agglomerating when opening, cleaning casing wall, and weight is mentioned in decompression makes material roll into a ball automatic rolling; To pressurize again banburying; Every rolling in 5 minutes once, ensure that macromolecular material fully reacts, control heat-up rate, prevent from burning; Add carbon black and the linking agent (TAIC) of second half formula ratio again, carry out mixed high-voltage banburying to 185 DEG C of temperature, and make its ripe group of being smelt smooth surface; The material group of the ripe group of being smelt is plastified again by extruding type unit; Extruding type unit casing wall is provided with temperature controllable device, and temperature control interval is within 100 DEG C; Then by single screw extrusion machine granulation; In the present embodiment, single screw extrusion machine is divided into seven districts, the working temperature in each district is: the firstth district is 110-115 DEG C, secondth district is 115-120 DEG C, 3rd district is 115-120 DEG C, and the 4th district is 120-125 DEG C, and the 5th district is 120-125 DEG C, 6th district is 120-130 DEG C, and SECTOR-SEVEN is 125-130 DEG C;
C. the particle will prepared through step b, then extrude wire rod by forcing machine; In the present embodiment, forcing machine is divided into four districts, and the working temperature in each district is: the firstth district is 150-160 DEG C, and the secondth district is 165-175 DEG C, and the 3rd district is 165-175 DEG C, and the 4th district is 170-180 DEG C; The mould extruded should select extruding type, ensure that the tensile strength of material and elongation and surface smoothness; When using plsitive mold, die sleeve should be smaller than physical size; Require that the apolegamy of die sleeve can not be excessive, otherwise the surface of cable is not fine and close, and extrudes more loose; During work, the setting of extruder each section of temperature also will be groped; Extrusion Speed Setting: from finally reaching engine speed: 1520rpm at full speed to fast slowly; Traction rotating speed: 710rpm; Finished product cools: removable cooling tank is moved distance extruder die orifice 50cm place, is convenient to add/quick the cooling and shaping of accompanying-heat cable cable from limit temperature, prevents scratch in take-up process, enhances productivity simultaneously; Require that extrusion equipment will have good refrigerating unit simultaneously, and Controlling Technology temperature;
D. the wire rod prepared through step c is carried out cross-linking radiation through rumbatron again, cross-linking radiation dosage is 200kGy, and by aftertreatment, free radical remaining after decreasing radiation processing, finally obtains 125 DEG C and add/accompanying-heat cable core ribbon material from limit temperature.
Carry out performance test to 125 ° of C cross-linking radiation heating cables heat conduction jacketed cable materials of the present embodiment, concrete data are shown in as following table 1.
prepared by table 1. embodiment one adds/accompanying-heat cable material behavior Measurement results from limit temperature
| Test event | Unit | Observed value | Explanation |
| Starting current | Ampere (A) | 0.23 | ? |
| / accompanying-heat cable core ribbon temperature is added from limit temperature | Degree Celsius (DEG C) | 126 | Working temperature |
| The highest withstand temp | Degree Celsius (DEG C) | 150 | ? |
| Thermostability | ％ | 93 | By circulating 10 DEG C to 99 DEG C after 300 times back and forth, electric cable heating amount maintains |
| Temperature reduced rate | ％ | 10.2 | Power on/off tests 500 times, and be energized power-off in 20 minutes 20 minutes |
| Oil resistance is tested | ? | Pass through | UL 1581 |
?in the present embodiment, known see table 1, the present embodiment prepare from limit temperature add/accompanying-heat cable material has excellent heating properties, starting current is low, has excellent resistance to temperature impact property and oil resistance simultaneously.
embodiment two:
The present embodiment is substantially identical with embodiment one, and special feature is:
In the present embodiment, a kind of 125 ° of C cross-linking radiation heating cables heat conduction jacketed cable materials, make primarily of following raw material: high density polyethylene(HDPE) (HDPE): 30 parts by weight; Thermoplastic elastomer (EBA): 15 parts; Inclined fluorine polyethylene (PVDF), 15 parts; Furnace treated black 30 parts; Acetylene method carbon black: 2 parts, composite antioxidant 2 parts; Silicone master batch: 2 parts.
In the present embodiment, 125 DEG C add the/preparation method of accompanying-heat cable material from limit temperature, comprise the steps:
A. first each component of formula is weighed according to composition weight number;
B. this step is identical with embodiment one;
C. this step is identical with embodiment one;
D. this step is identical with embodiment one.
Carry out performance test to 125 ° of C cross-linking radiation heating cables heat conduction jacketed cable materials of the present embodiment, concrete data are shown in as following table 2.
prepared by table 2. embodiment two adds/accompanying-heat cable material behavior Measurement results from limit temperature
| Test event | Unit | Observed value | Explanation |
| Starting current | Ampere (A) | 0.30 | ? |
| / accompanying-heat cable core ribbon temperature is added from limit temperature | Degree Celsius (DEG C) | 128 | Working temperature |
| The highest withstand temp | Degree Celsius (DEG C) | 150 | ? |
| Thermostability | ％ | 94 | By circulating 10 DEG C to 99 DEG C after 300 times back and forth, electric cable heating amount maintains |
| Temperature reduced rate | ％ | 9.5 | Power on/off tests 500 times, and be energized power-off in 20 minutes 20 minutes |
| Oil resistance is tested | ? | Pass through | UL 1581 |
In the present embodiment, known see table 2, the present embodiment prepare from limit temperature add/accompanying-heat cable material has excellent heating properties, starting current is low, has excellent resistance to temperature impact property and oil resistance simultaneously.
embodiment three:
The present embodiment is substantially identical with embodiment one, and special feature is:
In the present embodiment, a kind of 125 ° of C cross-linking radiation heating cables heat conduction jacketed cable materials, make primarily of following raw material: high density polyethylene(HDPE) (HDPE): 25 parts by weight; Thermoplastic elastomer (EBA): 15 parts; Inclined fluorine polyethylene (PVDF), 25 parts; Furnace treated black 30 parts; Acetylene method carbon black: 2 parts, composite antioxidant 2 parts; Silicone master batch: 2 parts.
In the present embodiment, 125 DEG C add the/preparation method of accompanying-heat cable material from limit temperature, comprise the steps:
A. first each component of formula is weighed according to composition weight number;
B. this step is identical with embodiment one;
C. this step is identical with embodiment one;
D. this step is identical with embodiment one.
Carry out performance test to 125 ° of C cross-linking radiation heating cables heat conduction jacketed cable materials of the present embodiment, concrete data are shown in as following table 3.
prepared by table 3. embodiment three adds/accompanying-heat cable material behavior Measurement results from limit temperature
| Test event | Unit | Observed value | Explanation |
| Starting current | Ampere (A) | 0.40 | ? |
| / accompanying-heat cable core ribbon temperature is added from limit temperature | Degree Celsius (DEG C) | 130 | Working temperature |
| The highest withstand temp | Degree Celsius (DEG C) | 150 | ? |
| Thermostability | ％ | 90 | By circulating 10 DEG C to 99 DEG C after 300 times back and forth, electric cable heating amount maintains |
| Temperature reduced rate | ％ | 10.5 | Power on/off tests 500 times, and be energized power-off in 20 minutes 20 minutes |
| Oil resistance is tested | ? | Pass through | UL 1581 |
In the present embodiment, known see table 3, the present embodiment prepare from limit temperature add/accompanying-heat cable material has excellent heating properties, starting current is low, has excellent resistance to temperature impact property and oil resistance simultaneously.
Above the embodiment of the present invention is illustrated; but the invention is not restricted to above-described embodiment; multiple change can also be made according to the object of innovation and creation of the present invention; change, the modification made under all spirit according to technical solution of the present invention and principle, substitute, combination, to simplify; all should be the substitute mode of equivalence; as long as goal of the invention according to the invention; only otherwise deviating from the present invention 25 DEG C adds/know-why of accompanying-heat cable material and preparation method thereof and inventive concept from limit temperature, all protection scope of the present invention is belonged to.
Claims (13)
1. one kind 125 DEG C add/accompanying-heat cable material from limit temperature, it is characterized in that, it is made primarily of following raw material by weight: high density polyethylene(HDPE) is 25-70 part, thermoplastic elastomer is 15-40 part, segregation vinyl fluoride is 15-40 part, and furnace treated black is 20-40 part, and acetylene method carbon black is 1-5 part, composite antioxidant is 1-3 part, and silicone master batch is 1-5 part.
2. 125 DEG C of oneself limit temperature add/accompanying-heat cable material according to claim 1, and it is characterized in that: the number-average molecular weight 5 ~ 150,000 of described high density polyethylene(HDPE), 190 DEG C is I ~ 5g/10min with the melting index under 2.16kg.
3. 125 DEG C of oneself limit temperature add/accompanying-heat cable material according to claim 1, it is characterized in that: described thermoplastic elastomer is ethylene-propylene copolymer, the butyl acrylate mass percentage content of described ethylene-butyl acrylate copolymer is 40 ~ 60wt%, and 190 DEG C is 3 ~ 5g/10min with the melting index under 2.16kg.
4. 125 DEG C of oneself limit temperature add/accompanying-heat cable material according to claim 1, it is characterized in that: the poly number-average molecular weight 8 ~ 150,000 of described inclined fluorine, the melting index under 190 ° of C and 2.16kg is 2 ~ 5g/10min.
5. 125 DEG C of oneself limit temperature add/accompanying-heat cable material according to claim 1, it is characterized in that: the particle diameter D50 of described furnace treated black is I ~ 2 micron, order number 4000 ~ 8000 order.
6. 125 DEG C of oneself limit temperature add/accompanying-heat cable material according to claim 1, it is characterized in that: described composite antioxidant is made up of following compositions in weight percentage: calcium stearate 35 ~ 55 parts, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] Ji Shusi alcohol ester 35 ~ 60 parts.
7. 125 DEG C of oneself limit temperature add/accompanying-heat cable material according to claim 1, it is characterized in that: described silicone master batch is made up of following compositions in weight percentage: 10 ~ 20 parts of Low Density Polyethylenes, 45 ~ 75 parts of siloxanes, 15 ~ 55 parts of silicon-dioxide.
8. according to claim 7 125 DEG C add/accompanying-heat cable material from limit temperature, it is characterized in that: described Low Density Polyethylene number-average molecular weight 5 ~ 100,000, the melting index 5 ~ 10g/10min under 190 DEG C and 2.16kg.
9. according to claim 7 or 8,125 DEG C of oneself limit temperature add/accompanying-heat cable material, it is characterized in that: described siloxanes is methyl vinyl silicone, methyl vinyl silicone number-average molecular weight 60 ~ 1,000,000.
10. according to claim 7 or 8,125 DEG C of oneself limit temperature add/accompanying-heat cable material, and it is characterized in that: described silicon-dioxide is precipitated silica, order number is 5000 ~ 6000 orders.
Described in 11. 1 kinds of claims 1,125 DEG C add the/preparation method of accompanying-heat cable material from limit temperature, it is characterized in that, comprise the steps:
A. first according to following composition weight number, weigh each component of formula, that is: high density polyethylene(HDPE) is 25-70 part, thermoplastic elastomer is 15-40 part, segregation vinyl fluoride is 15-40 part, and furnace treated black is 20-40 part, and acetylene method carbon black is 1-5 part, composite antioxidant is 1-3 part, and silicone master batch is 1-5 part;
B. then in described step a, will pass through Banbury mixer melt blending by load weighted each raw material, banburying temperature is 160-185 DEG C, and the banburying time is 15-25 minute, then successively by single screw extrusion machine granulation;
C. the particle will prepared through step b, then extrude wire rod by forcing machine;
D. the wire rod prepared through step c is carried out cross-linking radiation through rumbatron again, by aftertreatment, finally obtain cross-linking radiation heating cables highly thermally conductive polymeric sheath material.
12. according to described in claim 11 125 DEG C add the/preparation method of accompanying-heat cable material from limit temperature, it is characterized in that, in described step b, single screw extrusion machine is divided into seven districts, and the working temperature in each district is: the firstth district is 110-115 DEG C, secondth district is 115-120 DEG C, 3rd district is 115-120 DEG C, and the 4th district is 120-125 DEG C, and the 5th district is 120-125 DEG C, 6th district is 120-130 DEG C, and SECTOR-SEVEN is 125-130 DEG C.
13. according to described in claim 11 125 DEG C add the/preparation method of accompanying-heat cable material from limit temperature, it is characterized in that, in described step c, forcing machine is divided into four districts, the working temperature in each district is: the firstth district is 150-160 DEG C, secondth district is 165-175 DEG C, and the 3rd district is 165-175 DEG C, and the 4th district is 170-180 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591991.5A CN104292592A (en) | 2014-10-29 | 2014-10-29 | Material for self-regulating heating/heat tracing cables and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591991.5A CN104292592A (en) | 2014-10-29 | 2014-10-29 | Material for self-regulating heating/heat tracing cables and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104292592A true CN104292592A (en) | 2015-01-21 |
Family
ID=52312560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410591991.5A Pending CN104292592A (en) | 2014-10-29 | 2014-10-29 | Material for self-regulating heating/heat tracing cables and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104292592A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104530552A (en) * | 2015-01-22 | 2015-04-22 | 深圳市沃尔核材股份有限公司 | High and low-temperature impact resistant heat shrinkage tube |
| CN105061848A (en) * | 2015-06-11 | 2015-11-18 | 上海大学 | 36V self-limiting temperature increase-associated electric heating electric cable core belt material and preparation method thereof |
| CN105061869A (en) * | 2015-06-11 | 2015-11-18 | 上海大学 | 24V voltage intelligent core belt material for self-limiting temperature increase/associated electric heating electric cables, and preparation method thereof |
| CN107995709A (en) * | 2017-12-04 | 2018-05-04 | 安徽赫特电气有限责任公司 | A kind of manufacture method of heating tape PTC core ribbon |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418092A (en) * | 2008-10-31 | 2009-04-29 | 清华大学 | Positive temperature coefficient macromolecule composite material for temperature sensing cable and preparation method |
| CN102344598A (en) * | 2010-07-30 | 2012-02-08 | 谢志军 | Polymer-carbon nanotube-carbon black composite temperature self-regulating positive temperature coefficient (PTC) electric heating material |
-
2014
- 2014-10-29 CN CN201410591991.5A patent/CN104292592A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418092A (en) * | 2008-10-31 | 2009-04-29 | 清华大学 | Positive temperature coefficient macromolecule composite material for temperature sensing cable and preparation method |
| CN102344598A (en) * | 2010-07-30 | 2012-02-08 | 谢志军 | Polymer-carbon nanotube-carbon black composite temperature self-regulating positive temperature coefficient (PTC) electric heating material |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104530552A (en) * | 2015-01-22 | 2015-04-22 | 深圳市沃尔核材股份有限公司 | High and low-temperature impact resistant heat shrinkage tube |
| CN104530552B (en) * | 2015-01-22 | 2017-09-12 | 深圳市沃尔核材股份有限公司 | A kind of high-low temperature resistant impacts heat-shrink tube |
| CN105061848A (en) * | 2015-06-11 | 2015-11-18 | 上海大学 | 36V self-limiting temperature increase-associated electric heating electric cable core belt material and preparation method thereof |
| CN105061869A (en) * | 2015-06-11 | 2015-11-18 | 上海大学 | 24V voltage intelligent core belt material for self-limiting temperature increase/associated electric heating electric cables, and preparation method thereof |
| CN105061848B (en) * | 2015-06-11 | 2019-02-01 | 上海大学 | 36V self limiting temperature adds-accompanying-heat cable core ribbon material and preparation method thereof |
| CN107995709A (en) * | 2017-12-04 | 2018-05-04 | 安徽赫特电气有限责任公司 | A kind of manufacture method of heating tape PTC core ribbon |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109438808B (en) | Silane crosslinked polyethylene insulating material for heating cable and preparation method and application thereof | |
| CN110951141B (en) | Double-layer co-extrusion insulation LED ultraviolet light cross-linking color low-smoke halogen-free flame-retardant cable material and preparation method thereof | |
| CN103724759B (en) | A kind of halogen-free flame-retardant organosilane self crosslinking polyolefin cable material and preparation method thereof | |
| CN102585322B (en) | Easily-processed low-smoke halogen-free flame-retardant heat shrinkable label sleeve as well as preparation and application thereof | |
| CN103013021B (en) | A kind of preparation method of phosphorus flame retardant etc. of crosslinked with silicane | |
| CN103122148B (en) | Wind-power electricity generation distortion resistant flexible cable heat resistant silicon rubber insulation material and preparation method thereof | |
| CN104292592A (en) | Material for self-regulating heating/heat tracing cables and preparation method thereof | |
| CN105566736A (en) | Radiation-crosslinked polyolefin heat shrink tube capable of changing color along with temperature for warning | |
| CN104629159A (en) | Crosslinked ethylene-tetrafluoroethylene copolymer insulating material | |
| CN105385016A (en) | Composite material based on ethylene-tetrafluoroethylene copolymer, preparation method and applications thereof | |
| CN101255247A (en) | Boiling-free silicane cross-linking polyolefin composition | |
| CN103435895A (en) | Method for preparing insulating high-thermal-conductivity composite material | |
| CN110760123A (en) | High-carbon-black tracking-resistant silane crosslinked polyethylene insulating material and preparation method thereof | |
| CN103205044A (en) | Silane grafted polyethylene thermally conductive composite material and preparation method and application thereof | |
| CN103554687B (en) | A kind of production method of environmental-protection flame-retardant polyolefine heat-shrink tube | |
| CN104479230A (en) | High-thermal conductivity polymer sheath material for irradiation crosslinking heating of cable and preparation method thereof | |
| CN105482241A (en) | Reversible thermochromic insulating sheath material and preparation method thereof | |
| CN108164798B (en) | Low-smoke-amount thermoplastic low-smoke halogen-free flame-retardant polyolefin material and preparation method thereof | |
| CN109054157B (en) | High-temperature-resistant nano cable material and preparation method thereof | |
| CN105482263A (en) | Method for preparing heat-resistant and shrinkage-resistant polypropylene composite | |
| CN110819045A (en) | Formula of CPVC protection tube and preparation method of CPVC protection tube | |
| CN105348620A (en) | Weather-proof chemically-crosslinked polyethylene insulated material resistant to temperature of 150 DEG C | |
| CN110194862A (en) | One kind being based on the fire-retardant PE CABLE MATERIALS of draft flowing deformation technology and its continuous preparation method | |
| CN101831107B (en) | Room-temperature rapid coupling low-halogen flame-resistant heat-shrinkable tube and preparation method thereof | |
| CN105778201B (en) | A kind of fire-retardant polyethylene cable material and preparation method thereof quickly squeezed out for thin thin-walled line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |