CN106317591A - Magnetic conductive heat shrink tube and preparation method thereof - Google Patents
Magnetic conductive heat shrink tube and preparation method thereof Download PDFInfo
- Publication number
- CN106317591A CN106317591A CN201610684961.8A CN201610684961A CN106317591A CN 106317591 A CN106317591 A CN 106317591A CN 201610684961 A CN201610684961 A CN 201610684961A CN 106317591 A CN106317591 A CN 106317591A
- Authority
- CN
- China
- Prior art keywords
- parts
- shrink tube
- conduction heat
- magnetic conduction
- magnetic
- 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
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 33
- 239000006247 magnetic powder Substances 0.000 claims abstract description 26
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 16
- 239000004698 Polyethylene Substances 0.000 claims abstract description 13
- 229920001577 copolymer Polymers 0.000 claims abstract description 12
- 239000003063 flame retardant Substances 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims abstract description 10
- -1 polyethylene Polymers 0.000 claims abstract description 10
- 229920000573 polyethylene Polymers 0.000 claims abstract description 10
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 8
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 8
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 4
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 21
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 9
- 229920006225 ethylene-methyl acrylate Polymers 0.000 claims description 9
- 229920001684 low density polyethylene Polymers 0.000 claims description 9
- 239000004702 low-density polyethylene Substances 0.000 claims description 9
- 235000019359 magnesium stearate Nutrition 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- 238000004132 cross linking Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229910000863 Ferronickel Inorganic materials 0.000 claims description 3
- 229910002796 Si–Al Inorganic materials 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 229920006245 ethylene-butyl acrylate Polymers 0.000 claims description 3
- 230000005294 ferromagnetic effect Effects 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 claims description 2
- 229920000388 Polyphosphate Polymers 0.000 claims description 2
- QYMGIIIPAFAFRX-UHFFFAOYSA-N butyl prop-2-enoate;ethene Chemical compound C=C.CCCCOC(=O)C=C QYMGIIIPAFAFRX-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- XFZRQAZGUOTJCS-UHFFFAOYSA-N phosphoric acid;1,3,5-triazine-2,4,6-triamine Chemical compound OP(O)(O)=O.NC1=NC(N)=NC(N)=N1 XFZRQAZGUOTJCS-UHFFFAOYSA-N 0.000 claims description 2
- 239000001205 polyphosphate Substances 0.000 claims description 2
- 235000011176 polyphosphates Nutrition 0.000 claims description 2
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 claims description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- DCXXMTOCNZCJGO-UHFFFAOYSA-N tristearoylglycerol Chemical group CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 claims 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical compound CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 229920006226 ethylene-acrylic acid Polymers 0.000 claims 1
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 claims 1
- 150000007974 melamines Chemical class 0.000 claims 1
- XZTOTRSSGPPNTB-UHFFFAOYSA-N phosphono dihydrogen phosphate;1,3,5-triazine-2,4,6-triamine Chemical compound NC1=NC(N)=NC(N)=N1.OP(O)(=O)OP(O)(O)=O XZTOTRSSGPPNTB-UHFFFAOYSA-N 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 239000004250 tert-Butylhydroquinone Substances 0.000 claims 1
- 235000019281 tert-butylhydroquinone Nutrition 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052793 cadmium Inorganic materials 0.000 abstract description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052736 halogen Inorganic materials 0.000 abstract description 3
- 150000002367 halogens Chemical class 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 231100000167 toxic agent Toxicity 0.000 abstract 1
- 239000003440 toxic substance Substances 0.000 abstract 1
- 229940090961 chromium dioxide Drugs 0.000 description 8
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 description 8
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- 239000000383 hazardous chemical Substances 0.000 description 2
- 230000001473 noxious effect Effects 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- SPSPIUSUWPLVKD-UHFFFAOYSA-N 2,3-dibutyl-6-methylphenol Chemical compound CCCCC1=CC=C(C)C(O)=C1CCCC SPSPIUSUWPLVKD-UHFFFAOYSA-N 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 235000019282 butylated hydroxyanisole Nutrition 0.000 description 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
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
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen
- C08L23/0869—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen with unsaturated acids, e.g. [meth]acrylic acid; with unsaturated esters, e.g. [meth]acrylic acid esters
-
- 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
- C08K2201/01—Magnetic additives
-
- 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
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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
-
- 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)
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a magnetic conductive heat shrink tube and a preparation method thereof. Particularly, the magnetic conductive heat shrink tube is prepared from, by weight, 10-40 parts of polyethylene, 50-80 parts of an olefin-acrylate copolymer, 30-60 parts of magnetic powder, 3-8 parts of melamine fire retardant, 0.5-5 parts of active nano-calcium carbonate, 0.5-5 parts of a lubricant and 0.5-5 parts of an antioxidant. According to the raw material formula of the magnetic conductive heat shrink tube, the magnetic powder is directly added, and the heat shrink tube has the characteristic of magnetic conduction; no mercury or cadmium or hexavalent chromium or other harmful substance is contained, and the requirement for the European Union RoHS directive is met; no halogen or red phosphorus is contained, no toxic substance is generated after combustion, and no harm is caused to the environment and the human body; the magnetic conductive heat shrink tube has the good heat resistance, insulation, fire resistance and ideal mechanical strength.
Description
Technical field
The invention belongs to magnetic conduction heat-shrink tube technical field, relate to a kind of magnetic conduction heat-shrink tube and preparation method thereof.
Background technology
It is known that electromagnetic component operationally can produce induced field, therefore neighbouring instrument or equipment can be produced
Impact.In order to reduce produced induced field, it will usually electromagnetic component is carried out magnetic shield, directly in the appearance of electromagnetic component
Topcoating brush is made to obtain magnetic conduction coating by special material.But, this method not only wastes time and energy, and magnetic conduction coating is easy to fall off,
Cause magnetic conduction effect poor；Meanwhile, electromagnetic component is added one layer of magnetic conduction coating, i.e. adds processing step, improve again
Production cost, is unfavorable for large-scale industrial production.
Summary of the invention
For above-mentioned situation, it is an object of the invention to provide a kind of magnetic conduction heat-shrink tube and preparation method thereof.
To achieve these goals, the present invention is by the following technical solutions:
A kind of magnetic conduction heat-shrink tube, it comprises following component in parts by weight: polyethylene 10 ~ 40 parts, olefin-propylene acid esters copolymerization
Thing 50 ~ 80 parts, magnetic powder 30 ~ 60 parts, tripolycyanamide flame retardant 3 ~ 8 parts, nm-class active calcium carbonate 0.5 ~ 5 part, lubricant 0.5 ~ 5
Part and antioxidant 0.5 ~ 5 part；Wherein: described magnetic powder chosen from Fe Si-Al magnetic, ferronickel magnetic powder, ferromagnetic oxide powder, chromium dioxide
The mixture of any one or its arbitrary proportion in magnetic powder；The granularity of described nm-class active calcium carbonate is 25 ~ 100 nm.
Preferably, described magnetic conduction heat-shrink tube comprises following component in parts by weight: polyethylene 15 ~ 35 parts, olefin-propylene
Acid ester copolymer 55 ~ 75 parts, magnetic powder 35 ~ 55 parts, tripolycyanamide flame retardant 4 ~ 7 parts, nm-class active calcium carbonate 1 ~ 4 part, lubrication
Agent 1 ~ 4 part and antioxidant 1 ~ 4 part.
It is furthermore preferred that described magnetic conduction heat-shrink tube comprises following component in parts by weight: polyethylene 20 ~ 30 parts, alkene-the third
Olefin(e) acid ester copolymer 60 ~ 70 parts, magnetic powder 40 ~ 50 parts, tripolycyanamide flame retardant 5 ~ 6 parts, nm-class active calcium carbonate 2 ~ 3 parts, profit
Lubrication prescription 2 ~ 3 parts and antioxidant 2 ~ 3 parts.
Most preferably, described magnetic conduction heat-shrink tube comprises following component in parts by weight: polyethylene 25 parts, olefin-propylene
Acid ester copolymer 65 parts, magnetic powder 45 parts, tripolycyanamide flame retardant 5 parts, nm-class active calcium carbonate 2 parts, lubricant 2 parts and antioxygen
Agent 2 parts.
Preferably, described polyethylene is selected from linear low density polyethylene (LLDPE), Low Density Polyethylene (LDPE), highly dense
The mixture of any one or its arbitrary proportion in degree polyethylene (HDPE), preferably less than density polyethylene.
Preferably, described olefin-acrylate copolymer is selected from ethylene-methyl acrylate copolymer (EMA), ethylene-the third
In olefin(e) acid methacrylate copolymers (EEA), ethylene-propyl acrylate copolymer (EPA), ethylene-butyl acrylate copolymer (EBA)
The mixture of any one or its arbitrary proportion, optimal ethylene-methyl acrylate copolymer.
Preferably, appointing in described magnetic powder chosen from Fe Si-Al magnetic, ferronickel magnetic powder, ferromagnetic oxide powder, chromium dioxide magnetic powder
Anticipate a kind of or mixture of its arbitrary proportion, preferably chromium dioxide magnetic powder.
Preferably, described tripolycyanamide flame retardant is selected from tripolycyanamide, melamine phosphate, melamine pyrophosphoric
The mixture of any one or its arbitrary proportion in salt, melamine polyphosphate, preferably tripolycyanamide.
Preferably, the granularity of described nm-class active calcium carbonate is 30 ~ 50 nm.
Preferably, described lubricant in stearic acid, sodium stearate, magnesium stearate, the zinc stearate any one or
The mixture of its arbitrary proportion, preferably magnesium stearate.
Preferably, described antioxidant is selected from Butylated hydroxyanisole (BHA), dibenzylatiooluene (BHT), the tert-butyl group
The mixture of any one or its arbitrary proportion in hydroquinone (TBHQ), preferably dibenzylatiooluene.
The preparation method of a kind of magnetic conduction heat-shrink tube, it comprises the steps:
(1) weigh raw material, and mix homogeneously according to weight portion, obtain premix material；
(2) the premix material mixing granulator on the double screw extruder being equipped with banbury that will obtain in step (1), and at single-screw
Extrude on extruder, obtain tubing；
(3) by the tubing of acquisition in step (2) in 150 ~ 170 kGy crosslinkings with radiation, heat extension 2 ~ 4 times, and be quenched molding,
To magnetic conduction heat-shrink tube.
Compared with prior art, the magnetic conduction heat-shrink tube of the present invention directly with the addition of magnetic powder in composition of raw materials so that heat is received
The draw itself has the character of magnetic conduction；The hazardous substances such as the most mercurous, cadmium, Cr VI, meet RoHS Directive requirement；Do not contain
Halogen and red phosphorus, will not produce noxious substance after burning, harmless to environment and human body；There is good thermostability, insulating properties, resistance
Combustion property and ideal mechanical strength.
Detailed description of the invention
Example below will be further illustrated the present invention.These embodiments are merely to illustrate the present invention, but not to appoint
Where formula limits the present invention.
Embodiment 1: the production of magnetic conduction heat-shrink tube.
(1) Low Density Polyethylene 10 kg, ethylene-methyl acrylate copolymer 50 kg, chromium dioxide magnetic powder 30 are weighed
Kg, tripolycyanamide 3 kg, nm-class active calcium carbonate (granularity is 25 nm) 0.5 kg, magnesium stearate 0.5 kg and dibutyl hydroxy
Toluene 0.5 kg, and mix homogeneously, obtain premix material；
(2) the premix material mixing granulator on the double screw extruder being equipped with banbury that will obtain in step (1), and at single-screw
Extrude on extruder, obtain tubing；
(3) tubing obtained in step (2) is extended 2 times, and is quenched molding in 150 kGy crosslinkings with radiation, heating, obtain magnetic conduction
Heat-shrink tube.
Embodiment 2: the production of magnetic conduction heat-shrink tube.
(1) Low Density Polyethylene 40 kg, ethylene-methyl acrylate copolymer 80 kg, chromium dioxide magnetic powder 60 are weighed
Kg, tripolycyanamide 8 kg, nm-class active calcium carbonate (granularity is 100 nm) 5 kg, magnesium stearate 5 kg and dibenzylatiooluene
5 kg, and mix homogeneously, obtain premix material；
(2) the premix material mixing granulator on the double screw extruder being equipped with banbury that will obtain in step (1), and at single-screw
Extrude on extruder, obtain tubing；
(3) tubing obtained in step (2) is extended 2 times, and is quenched molding in 170 kGy crosslinkings with radiation, heating, obtain magnetic conduction
Heat-shrink tube.
Embodiment 3: the production of magnetic conduction heat-shrink tube.
(1) Low Density Polyethylene 15 kg, ethylene-methyl acrylate copolymer 55 kg, chromium dioxide magnetic powder 35 are weighed
Kg, tripolycyanamide 4 kg, nm-class active calcium carbonate (granularity is 30 nm) 1 kg, magnesium stearate 1 kg and dibenzylatiooluene 1
Kg, and mix homogeneously, obtain premix material；
(2) the premix material mixing granulator on the double screw extruder being equipped with banbury that will obtain in step (1), and at single-screw
Extrude on extruder, obtain tubing；
(3) tubing obtained in step (2) is extended 4 times, and is quenched molding in 150 kGy crosslinkings with radiation, heating, obtain magnetic conduction
Heat-shrink tube.
Embodiment 4: the production of magnetic conduction heat-shrink tube.
(1) Low Density Polyethylene 20 kg, ethylene-methyl acrylate copolymer 60 kg, chromium dioxide magnetic powder 40 are weighed
Kg, tripolycyanamide 5 kg, nm-class active calcium carbonate (granularity is 50 nm) 2 kg, magnesium stearate 2 kg and dibenzylatiooluene 2
Kg, and mix homogeneously, obtain premix material；
(2) the premix material mixing granulator on the double screw extruder being equipped with banbury that will obtain in step (1), and at single-screw
Extrude on extruder, obtain tubing；
(3) tubing obtained in step (2) is extended 2 times, and is quenched molding in 170 kGy crosslinkings with radiation, heating, obtain magnetic conduction
Heat-shrink tube.
Embodiment 5: the production of magnetic conduction heat-shrink tube.
(1) Low Density Polyethylene 25 kg, ethylene-methyl acrylate copolymer 65 kg, chromium dioxide magnetic powder 45 are weighed
Kg, tripolycyanamide 5 kg, nm-class active calcium carbonate (granularity is 40 nm) 2 kg, magnesium stearate 2 kg and dibenzylatiooluene 2
Kg, and mix homogeneously, obtain premix material；
(2) the premix material mixing granulator on the double screw extruder being equipped with banbury that will obtain in step (1), and at single-screw
Extrude on extruder, obtain tubing；
(3) tubing obtained in step (2) is extended 2 times, and is quenched molding in 150 kGy crosslinkings with radiation, heating, obtain magnetic conduction
Heat-shrink tube.
Embodiment 6: magnetic conduction heat-shrink tube performance test.
The magnetic conduction heat-shrink tube obtained in embodiment 1 to 5 is carried out performance test, and its result is as shown in table 1.
Table 1. magnetic conduction heat-shrink tube performance test
As seen from the above table, due to the magnetic conduction heat-shrink tube product of the present invention, itself there is magnetic conduction character；The most mercurous, cadmium, Cr VI etc.
Hazardous substances, meets RoHS Directive requirement；Without halogen and red phosphorus, noxious substance will not be produced after burning, to environment
Harmless with human body；There is good thermostability, oil resistivity, insulating properties, anti-flammability and ideal mechanical strength.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.These describe not
Think the limit present invention, or limit the invention to disclosed precise forms；On the contrary, according to above-mentioned teaching, can carry out very
Many changes and change.The purpose selected exemplary embodiment and describe is to explain the certain principles and in fact of the present invention
Border is applied, so that others skilled in the art are capable of and utilize the various different exemplary enforcement of the present invention
Scheme and various different selection and change.The scope of the present invention is intended to by appending claims and equivalents institute thereof
Limit.
Claims (10)
1. a magnetic conduction heat-shrink tube, it comprises following component in parts by weight: polyethylene 10 ~ 40 parts, olefin-propylene acid esters are altogether
Polymers 50 ~ 80 parts, magnetic powder 30 ~ 60 parts, tripolycyanamide flame retardant 3 ~ 8 parts, nm-class active calcium carbonate 0.5 ~ 5 part, lubricant 0.5
~ 5 parts and antioxidant 0.5 ~ 5 part；Wherein: described magnetic powder chosen from Fe Si-Al magnetic, ferronickel magnetic powder, ferromagnetic oxide powder, titanium dioxide
The mixture of any one or its arbitrary proportion in chromium magnetic powder；The granularity of described nm-class active calcium carbonate is 25 ~ 100 nm.
Magnetic conduction heat-shrink tube the most according to claim 1, it is characterised in that it comprises following component in parts by weight: poly-
Ethylene 15 ~ 35 parts, olefin-acrylate copolymer 55 ~ 75 parts, magnetic powder 35 ~ 55 parts, tripolycyanamide flame retardant 4 ~ 7 parts, nanometer
Activated Calcium carbonate 1 ~ 4 part, lubricant 1 ~ 4 part and antioxidant 1 ~ 4 part.
Magnetic conduction heat-shrink tube the most according to claim 1, it is characterised in that it comprises following component in parts by weight: poly-
Ethylene 20 ~ 30 parts, olefin-acrylate copolymer 60 ~ 70 parts, magnetic powder 40 ~ 50 parts, tripolycyanamide flame retardant 5 ~ 6 parts, nanometer
Activated Calcium carbonate 2 ~ 3 parts, lubricant 2 ~ 3 parts and antioxidant 2 ~ 3 parts.
Magnetic conduction heat-shrink tube the most according to claim 1, it is characterised in that it comprises following component in parts by weight: poly-
Ethylene 25 parts, olefin-acrylate copolymer 65 parts, magnetic powder 45 parts, tripolycyanamide flame retardant 5 parts, nm-class active calcium carbonate 2
Part, lubricant 2 parts and antioxidant 2 parts.
Magnetic conduction heat-shrink tube the most according to any one of claim 1 to 4, it is characterised in that described polyethylene is selected from linear
The mixture of any one or its arbitrary proportion in Low Density Polyethylene, Low Density Polyethylene, high density polyethylene (HDPE)；Described alkene
Hydrocarbon-acrylate copolymer is selected from ethylene-methyl acrylate copolymer, ethylene-ethyl acrylate copolymer, ethylene-acrylic acid
The mixture of any one or its arbitrary proportion in methacrylate-trimethoxysilyl propylmethacrylate copolymer, ethylene-butyl acrylate copolymer.
Magnetic conduction heat-shrink tube the most according to any one of claim 1 to 4, it is characterised in that described melamine series is fire-retardant
Agent in tripolycyanamide, melamine phosphate, melamine pyrophosphate, the melamine polyphosphate any one or
The mixture of its arbitrary proportion.
Magnetic conduction heat-shrink tube the most according to any one of claim 1 to 4, it is characterised in that described nm-class active calcium carbonate
Granularity be 30 ~ 50 nm.
Magnetic conduction heat-shrink tube the most according to any one of claim 1 to 4, it is characterised in that described lubricant is selected from tristearin
The mixture of any one or its arbitrary proportion in acid, sodium stearate, magnesium stearate, zinc stearate.
Magnetic conduction heat-shrink tube the most according to any one of claim 1 to 4, it is characterised in that described antioxidant is selected from fourth
The mixture of any one or its arbitrary proportion in base BHA, dibenzylatiooluene, tert-butyl hydroquinone.
10. a preparation method for magnetic conduction heat-shrink tube according to any one of claim 1 to 9, it comprises the steps:
1) weigh raw material, and mix homogeneously according to weight portion, obtain premix material；
2) the premix material mixing granulator on the double screw extruder being equipped with banbury that will obtain in step 1), and squeeze at single-screw
Go out and extrude on machine, obtain tubing；
3) by step 2) the middle tubing obtained is in 150 ~ 170 kGy crosslinkings with radiation, heating extension 2 ~ 4 times, and it is quenched molding, obtain
Magnetic conduction heat-shrink tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610684961.8A CN106317591A (en) | 2016-08-18 | 2016-08-18 | Magnetic conductive heat shrink tube and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610684961.8A CN106317591A (en) | 2016-08-18 | 2016-08-18 | Magnetic conductive heat shrink tube and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106317591A true CN106317591A (en) | 2017-01-11 |
Family
ID=57744072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610684961.8A Pending CN106317591A (en) | 2016-08-18 | 2016-08-18 | Magnetic conductive heat shrink tube and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106317591A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024083858A1 (en) * | 2022-10-20 | 2024-04-25 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Heating sleeve and method for production and use |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824181A (en) * | 2009-03-06 | 2010-09-08 | 深圳市沃尔核材股份有限公司 | Magnetically-conductive plastic heat-shrinkable sleeve and preparation method thereof |
| CN101965122A (en) * | 2009-07-25 | 2011-02-02 | 深圳市沃尔核材股份有限公司 | Magnetic multi-wall heat shrinkable tube and manufacturing method thereof |
| CN103724793A (en) * | 2014-01-10 | 2014-04-16 | 长园电子（集团）有限公司 | Heat-shrinkable bus-bar protective sleeve and preparation method thereof |
-
2016
- 2016-08-18 CN CN201610684961.8A patent/CN106317591A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824181A (en) * | 2009-03-06 | 2010-09-08 | 深圳市沃尔核材股份有限公司 | Magnetically-conductive plastic heat-shrinkable sleeve and preparation method thereof |
| CN101965122A (en) * | 2009-07-25 | 2011-02-02 | 深圳市沃尔核材股份有限公司 | Magnetic multi-wall heat shrinkable tube and manufacturing method thereof |
| CN103724793A (en) * | 2014-01-10 | 2014-04-16 | 长园电子（集团）有限公司 | Heat-shrinkable bus-bar protective sleeve and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024083858A1 (en) * | 2022-10-20 | 2024-04-25 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Heating sleeve and method for production and use |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105038026B (en) | A kind of fire-resistant smoke-inhibiting PVC wiring duct and preparation method thereof | |
| CN101597395B (en) | Low-smoke halogen-free inflaming-retarding cable material and preparation method thereof | |
| CN104513420B (en) | A kind of Halogen no red phosphorus heat-shrinkable T bush and preparation method thereof | |
| CN106188784A (en) | A kind of high-temperature resistant irradiation cross polyolefin heat-shrink tube | |
| CN103232686B (en) | Enhanced flame-retardant environmentally-friendly PBT (Polybutylece Terephthalate) with high CTI (Comparative Tracking Index) and high glowing filament | |
| JP2016533623A (en) | Zero-halogen cable insulation for 125 ° C irradiation cross-linked EPCV solar power generation system | |
| CN106432948A (en) | Wear-resistant polyvinyl chloride cable material | |
| CN109575476A (en) | Low temperature resistant oil proof flame-proof polyvinyl chloride butyronitrile compound Insulation Material and preparation method thereof | |
| CN103756119A (en) | Argil-modified low-smoke zero-halogen power cable sheath material and preparation method thereof | |
| CN106279903A (en) | A kind of alternating temperature visuality cross-linking radiation polyolefin heat-shrink tube | |
| CN106317591A (en) | Magnetic conductive heat shrink tube and preparation method thereof | |
| CN106317559A (en) | Wear-proof environment-friendly heat shrinkable tube and preparing method thereof | |
| CN103172923B (en) | High-temperature-resistant thermoplastic flame retardant material for automotive wire and preparation method thereof | |
| CN106279897A (en) | A kind of heat-shrink tube and preparation method thereof | |
| CN108203527A (en) | A kind of high limit oxygen index (OI) halogen-free flameproof PP materials and preparation method thereof | |
| CN103642156A (en) | Polyvinyl chloride composite with electromagnetic shielding function and preparation method of polyvinyl chloride composite | |
| CN106220986A (en) | A kind of isolating shrinkable tube and preparation method thereof | |
| CN105440564B (en) | A kind of halogen-free flame-retardant ABS composite material and preparation method thereof | |
| CN106349551A (en) | Elastic high-flame-retardance oil-resistant heat shrink tube and preparation method thereof | |
| CN106317558A (en) | Magnetic-insulation conductive heat shrink tube | |
| CN106317589A (en) | Radiation crosslinking butadiene styrene rubber heat shrink tube and preparation method thereof | |
| CN106279867A (en) | A kind of flame-proof cable sheath material | |
| CN106221078A (en) | A kind of modified Fluoroelastomer heat-shrinkable tube and preparation method thereof | |
| CN106188868A (en) | A kind of halogen-free flameproof low-temperature shrink heat-shrink tube and preparation method thereof | |
| CN106317651A (en) | Ethylene-propylene-diene monomer rubber heat-shrinkable tube and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |