CN103524857A - Halogen-free high-flame-retardance thermal contraction material used for identification tube - Google Patents
Halogen-free high-flame-retardance thermal contraction material used for identification tube Download PDFInfo
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- CN103524857A CN103524857A CN201310528358.7A CN201310528358A CN103524857A CN 103524857 A CN103524857 A CN 103524857A CN 201310528358 A CN201310528358 A CN 201310528358A CN 103524857 A CN103524857 A CN 103524857A
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- 239000000463 material Substances 0.000 title claims abstract description 47
- 230000008602 contraction Effects 0.000 title abstract 4
- 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 abstract description 34
- 239000003063 flame retardant Substances 0.000 claims abstract description 32
- 229920003023 plastic Polymers 0.000 claims abstract description 19
- 239000004033 plastic Substances 0.000 claims abstract description 19
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920005672 polyolefin resin Polymers 0.000 claims abstract description 12
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 10
- 239000011574 phosphorus Substances 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims abstract description 9
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 7
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 7
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 6
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 19
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 16
- 229920001903 high density polyethylene Polymers 0.000 claims description 12
- 239000004700 high-density polyethylene Substances 0.000 claims description 12
- -1 polyethylene Polymers 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 8
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 8
- 229920006245 ethylene-butyl acrylate Polymers 0.000 claims description 8
- 229920006225 ethylene-methyl acrylate Polymers 0.000 claims description 8
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 8
- 239000003112 inhibitor Substances 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 6
- QYMGIIIPAFAFRX-UHFFFAOYSA-N butyl prop-2-enoate;ethene Chemical compound C=C.CCCCOC(=O)C=C QYMGIIIPAFAFRX-UHFFFAOYSA-N 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 6
- 229920001684 low density polyethylene Polymers 0.000 claims description 6
- 239000004702 low-density polyethylene Substances 0.000 claims description 6
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 6
- 229920001179 medium density polyethylene Polymers 0.000 claims description 6
- 239000004701 medium-density polyethylene Substances 0.000 claims description 6
- 244000043261 Hevea brasiliensis Species 0.000 claims description 4
- 229920003052 natural elastomer Polymers 0.000 claims description 4
- 229920001194 natural rubber Polymers 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- VHOQXEIFYTTXJU-UHFFFAOYSA-N Isobutylene-isoprene copolymer Chemical group CC(C)=C.CC(=C)C=C VHOQXEIFYTTXJU-UHFFFAOYSA-N 0.000 claims description 3
- 229920013649 Paracril Polymers 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 3
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims description 3
- 150000004982 aromatic amines Chemical class 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- 235000019359 magnesium stearate Nutrition 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 150000002989 phenols Chemical class 0.000 claims description 3
- RGCLLPNLLBQHPF-HJWRWDBZSA-N phosphamidon Chemical compound CCN(CC)C(=O)C(\Cl)=C(/C)OP(=O)(OC)OC RGCLLPNLLBQHPF-HJWRWDBZSA-N 0.000 claims description 3
- 150000003016 phosphoric acids Chemical class 0.000 claims description 3
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 229920001897 terpolymer Polymers 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 abstract description 5
- 150000002367 halogens Chemical class 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 239000004594 Masterbatch (MB) Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 229910052793 cadmium Inorganic materials 0.000 description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000002285 radioactive effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
Classifications
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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 other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
-
- 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 other atoms than carbon or hydrogen atoms
- C08L23/0869—Acids or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- 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
- 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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three 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
- 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
- C08L2207/06—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)
Abstract
The invention provides a halogen-free high-flame-retardance thermal contraction material used for an identification tube. The halogen-free high-flame-retardance thermal contraction material comprises, by weight, 100 parts of polyolefin resin, 40-70 parts of magnesium hydroxide, 5-15 parts of red phosphorus master batch, 2-10 parts of phosphorus based flame retardant, 0.3-1.0 part of antioxidant and 0.5-1.5 parts of plastic processing lubricant. The halogen-free high-flame-retardance thermal contraction material contains no halogen and has good surface smoothness, and the flame-retardant performance can reach VW-1 of a UL224 standard.
Description
Technical field
The present invention relates to a kind of heat-shrinkable T bush material, especially a kind of environment-friendly type heat-shrinkage material, this material has and does not contain halogen and good surface flatness suitable for printing, and flame retardant properties, by the VW-1 of UL224 standard, is used the occasion requiring in high flame retardant.
Background technology
The conventional effective Halogen plastic material of sign and heat-shrinkage material affect tubing flame retardant resistance because guaranteeing the factors such as mechanical property, thermomechanical property, in adding the formula of more fire retardant, mechanical property reaches standard and but in flame retardant resistance, cannot test by VW-1 often, both very difficult balances.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the defect that existing heat-shrinkage material mechanical property and flame retardant properties are difficult to take into account, provide a kind of sign effective halogen-free high flame-retardant heat-shrinkage material, do not contain halogen, have good surface flatness, flame retardant properties is by the VW-1 of UL224 standard.
In order to solve the problems of the technologies described above, the present invention proposes following technical scheme: the effective halogen-free high flame-retardant heat-shrinkage material of a kind of sign, and it is comprised of the following component according to parts by weight meter: 100 parts of polyolefin resines; Magnesium hydroxide 40-70 part; Red phosphorus master batch 5-15 part; Phosphorus flame retardant 2-10 part; Oxidation inhibitor 0.3-1.0 part; Plastic working lubricant 0.5-1.5 part.
The further restriction of technique scheme is: described polyolefin resin is a kind of, the two kinds or more of mixture in following material: high density polyethylene(HDPE); Medium-density polyethylene; Low Density Polyethylene; Linear polyethylene; Vinyl acetate content is the ethylene-vinyl acetate copolymer of 1-40%; Butyl acrylate content is the ethylene-butyl acrylate copolymer of 1-33%; Methyl acrylate content is the ethylene-methyl acrylate copolymer of 1-33%.
The further restriction of technique scheme is: described polyolefin resin can be also the blending body of following A part and B part:
A is partly a kind of, the two kinds or more of mixture in following material: high density polyethylene(HDPE); Medium-density polyethylene; Low Density Polyethylene; Linear polyethylene; Vinyl acetate content is the ethylene-vinyl acetate copolymer of 1-40%; Butyl acrylate content is the ethylene-butyl acrylate copolymer of 1-33%; Methyl acrylate content is the ethylene-methyl acrylate copolymer of 1-33%;
B is partly a kind of, the two kinds or more of mixture in following material: terpolymer EP rubber; The polyolefin elastomer of tactic polymerization; Paracril; Natural rubber; Isoprene-isobutylene rubber.
The further restriction of technique scheme is: described phosphorus flame retardant is a kind of, the two kinds or more of mixture in following material: phosphamidon, Tritolyl Phosphate, phosphoric acid salt and phosphalugel.
The further restriction of technique scheme is: above-mentioned oxidation inhibitor is one or both the mixture in following material: Hinered phenols antioxidant, arylamine kind antioxidant.
The further restriction of technique scheme is: above-mentioned plastic working lubricant is the mixture of following a kind of, two or more materials: stearic acid, Zinic stearas, calcium stearate, Magnesium Stearate and polyethylene wax.
Compared with prior art, the present invention has following beneficial effect: it is a kind of environment-friendly type heat-shrinkage material that the present invention identifies effective halogen-free high flame-retardant heat-shrinkage material, does not contain halogen, has good surface flatness, and flame retardant properties is by the VW-1 of UL224 standard.
Embodiment
The present invention proposes the effective halogen-free high flame-retardant heat-shrinkage material of a kind of sign, and it is comprised of the following component according to parts by weight meter: 100 parts of polyolefin resines; Magnesium hydroxide 40-70 part; Red phosphorus master batch 5-15 part; Phosphorus flame retardant 2-10 part; Oxidation inhibitor 0.3-1.0 part; Plastic working lubricant 0.5-1.5 part.
Described polyolefin resin is a kind of, the two kinds or more of mixture in following material: high density polyethylene(HDPE); Medium-density polyethylene; Low Density Polyethylene; Linear polyethylene; The ethylene-vinyl acetate copolymer (EVA) that vinyl acetate between to for plastic (VA) content is 1-40%; The ethylene-butyl acrylate copolymer (EBA) that butyl acrylate (BA) content is 1-33%; The ethylene-methyl acrylate copolymer (EMA) that methyl acrylate (MA) content is 1-33%.
Described polyolefin resin can be also the blending body of following A part and B part:
A is partly a kind of, the two kinds or more of mixture in following material: high density polyethylene(HDPE); Medium-density polyethylene; Low Density Polyethylene; Linear polyethylene; The ethylene-vinyl acetate copolymer (EVA) that vinyl acetate between to for plastic (VA) content is 1-40%; The ethylene-butyl acrylate copolymer (EBA) that butyl acrylate (BA) content is 1-33%; The ethylene-methyl acrylate copolymer (EMA) that methyl acrylate (MA) content is 1-33%;
B is partly a kind of, the two kinds or more of mixture in following material: terpolymer EP rubber (EPDM); The polyolefin elastomer of tactic polymerization (POE); Paracril (NBR); Natural rubber (NR); Isoprene-isobutylene rubber (BR).
Described magnesium hydroxide is a kind of loose and superfine amorphous white powder, by its method for making difference, can be divided into: polishing, reaction method, is characterized in that not leaded, cadmium, mercury and sexavalent chrome.
Described red phosphorus master batch be a kind of red phosphorus powder by certain red phosphorus content by with polyolefin resin blend, granulation red solid particle out, it is characterized in that not leaded, cadmium, mercury and sexavalent chrome.
Described red phosphorus master batch is the common raw material that can buy on market.
Described phosphorus flame retardant is a kind of, the two kinds or more of mixture in following material: phosphamidon, Tritolyl Phosphate, phosphoric acid salt and phosphalugel.
Above-mentioned phosphorus flame retardant is a kind of loose and superfine amorphous white powder, and its method for making is chemosynthesis.
Described phosphorus flame retardant is can buy on market, it is characterized in that there is higher the content of nitrogen and phosphorous, thereby produce phosphoric acid in combustion processes, makes material dehydration form " duricrust " layer to be beneficial to fire-retardantly, to prevent drippage.
Above-mentioned oxidation inhibitor is one or both the mixture in following material: Hinered phenols antioxidant, arylamine kind antioxidant.
Above-mentioned plastic working lubricant is the mixture of following a kind of, two or more materials: stearic acid, Zinic stearas, calcium stearate, Magnesium Stearate and polyethylene wax.Above-mentioned plastic working lubricant is not leaded, cadmium, mercury and sexavalent chrome.
The preparation method of the effective halogen-free high flame-retardant heat-shrinkage material of above-mentioned sign, its process is: by described according to 100 parts of the polyolefin resines of parts by weight meter, magnesium hydroxide 40-70 part, red phosphorus master batch 5-15 part, phosphorus flame retardant 2-10 part, oxidation inhibitor 0.3-1.0 part, plastic working lubricant 0.5-1.5 part, through open refining plastics or Banbury mixer or twin-screw mixer machine after abundant mixing granulator, with single screw extrusion machine, be extruded into tubing, the material of sheet material or other shapes, through Co60 or high-energy electron accelerator, use high-energy electron with 10-25Mrad cross-linking radiation described material again, the material of cross-linking radiation at 80-200 ℃ of expansion 2-5 doubly, obtain the present invention and identify effective halogen-free high flame-retardant heat-shrinkage material.
Preparation Example one
According to parts by weight, take off row component, and mixing masterbatch:
By the plastic master batch mixing, with conventional plastics extruder, be extruded into the tubing with certain internal diameter and wall thickness, with after rumbatron/high energy radioactive rays photograph doses (about 10Mrad or 100 KGY), first tubing is heated to 150 ℃, with inside and outside differential pressure, make bore become greater to original 2.5 times, cooling and shaping, can obtain heat-shrink tube fast, this heat-shrink tube has in high flame retardant function and guarantees that mechanical property surpasses 10.3Mpa, 200% standard.
Test data:
Preparation Example two
According to parts by weight, take off row component, and mixing masterbatch:
By the plastic master batch mixing, with conventional plastics extruder, be extruded into the tubing with certain internal diameter and wall thickness, with after rumbatron/high energy radioactive rays photograph doses (about 10Mrad or 100 KGY), first tubing is heated to 150 ℃, with inside and outside differential pressure, make bore become greater to original 2.5 times, cooling and shaping, can obtain heat-shrink tube fast, this heat-shrink tube has in high flame retardant function and guarantees that mechanical property surpasses 10.3Mpa, 200% standard.
Test data:
Preparation Example three
According to parts by weight, take off row component, and mixing masterbatch:
By the plastic master batch mixing, with conventional plastics extruder, be extruded into the tubing with certain internal diameter and wall thickness, with after rumbatron/high energy radioactive rays photograph doses (about 10Mrad or 100 KGY), first tubing is heated to 150 ℃, with inside and outside differential pressure, make bore become greater to original 2.5 times, cooling and shaping, can obtain heat-shrink tube fast, this heat-shrink tube has in high flame retardant function and guarantees that mechanical property surpasses 10.3Mpa, 200% standard.
Test data:
Claims (6)
1. identify an effective halogen-free high flame-retardant heat-shrinkage material, it is comprised of the following component according to parts by weight meter: 100 parts of polyolefin resines; Magnesium hydroxide 40-70 part; Red phosphorus master batch 5-15 part; Phosphorus flame retardant 2-10 part; Oxidation inhibitor 0.3-1.0 part; Plastic working lubricant 0.5-1.5 part.
2. the effective halogen-free high flame-retardant heat-shrinkage material of sign according to claim 1, is characterized in that: described polyolefin resin is a kind of, the two kinds or more of mixture in following material: high density polyethylene(HDPE); Medium-density polyethylene; Low Density Polyethylene; Linear polyethylene; Vinyl acetate content is the ethylene-vinyl acetate copolymer of 1-40%; Butyl acrylate content is the ethylene-butyl acrylate copolymer of 1-33%; Methyl acrylate content is the ethylene-methyl acrylate copolymer of 1-33%.
3. the effective halogen-free high flame-retardant heat-shrinkage material of sign according to claim 1, is characterized in that: described polyolefin resin can be also following A part and B blending body partly:
A is partly a kind of, the two kinds or more of mixture in following material: high density polyethylene(HDPE); Medium-density polyethylene; Low Density Polyethylene; Linear polyethylene; Vinyl acetate content is the ethylene-vinyl acetate copolymer of 1-40%; Butyl acrylate content is the ethylene-butyl acrylate copolymer of 1-33%; Methyl acrylate content is the ethylene-methyl acrylate copolymer of 1-33%;
B is partly a kind of, the two kinds or more of mixture in following material: terpolymer EP rubber; The polyolefin elastomer of tactic polymerization; Paracril; Natural rubber; Isoprene-isobutylene rubber.
4. the effective halogen-free high flame-retardant heat-shrinkage material of sign according to claim 1, is characterized in that: described phosphorus flame retardant is a kind of, the two kinds or more of mixture in following material: phosphamidon, Tritolyl Phosphate, phosphoric acid salt and phosphalugel.
5. the effective halogen-free high flame-retardant heat-shrinkage material of sign according to claim 1, is characterized in that: above-mentioned oxidation inhibitor is one or both the mixture in following material: Hinered phenols antioxidant, arylamine kind antioxidant.
6. the effective halogen-free high flame-retardant heat-shrinkage material of sign according to claim 1, is characterized in that: above-mentioned plastic working lubricant is the mixture of following a kind of, two or more materials: stearic acid, Zinic stearas, calcium stearate, Magnesium Stearate and polyethylene wax.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310528358.7A CN103524857B (en) | 2013-10-29 | 2013-10-29 | The effective halogen-free high flame-retardant heat-shrinkage material of a kind of mark |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310528358.7A CN103524857B (en) | 2013-10-29 | 2013-10-29 | The effective halogen-free high flame-retardant heat-shrinkage material of a kind of mark |
Publications (2)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105504477A (en) * | 2016-01-11 | 2016-04-20 | 长园电子（东莞）有限公司 | Halogen-free and red-phosphorus-free flame-retardant thermal shrinkage identification tube and preparing method thereof |
| CN107141565A (en) * | 2017-06-23 | 2017-09-08 | 华娜 | A kind of halogen-free high flame-retardant heat-shrinkage material and preparation method thereof |
| CN107698856A (en) * | 2017-11-14 | 2018-02-16 | 安徽同力新材料有限公司 | A kind of flame-retardant modified plastics |
| CN112280160A (en) * | 2020-10-13 | 2021-01-29 | 深圳市沃尔热缩有限公司 | Irradiation crosslinking thermal shrinkage material and preparation method thereof |
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| CN105504477A (en) * | 2016-01-11 | 2016-04-20 | 长园电子（东莞）有限公司 | Halogen-free and red-phosphorus-free flame-retardant thermal shrinkage identification tube and preparing method thereof |
| CN107141565A (en) * | 2017-06-23 | 2017-09-08 | 华娜 | A kind of halogen-free high flame-retardant heat-shrinkage material and preparation method thereof |
| CN107698856A (en) * | 2017-11-14 | 2018-02-16 | 安徽同力新材料有限公司 | A kind of flame-retardant modified plastics |
| CN112280160A (en) * | 2020-10-13 | 2021-01-29 | 深圳市沃尔热缩有限公司 | Irradiation crosslinking thermal shrinkage material and preparation method thereof |
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| CN103524857B (en) | 2016-01-06 |
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