CN103073775B - Preparation method for environment-friendly anti-flaming anti-static polyethylene pipeline - Google Patents
Preparation method for environment-friendly anti-flaming anti-static polyethylene pipeline Download PDFInfo
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- CN103073775B CN103073775B CN201310040617.1A CN201310040617A CN103073775B CN 103073775 B CN103073775 B CN 103073775B CN 201310040617 A CN201310040617 A CN 201310040617A CN 103073775 B CN103073775 B CN 103073775B
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- -1 polyethylene Polymers 0.000 title claims abstract description 48
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 45
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000003063 flame retardant Substances 0.000 claims abstract description 73
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims abstract description 29
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 18
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 18
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 13
- 239000006229 carbon black Substances 0.000 claims abstract description 13
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000005453 pelletization Methods 0.000 claims abstract description 6
- 238000004513 sizing Methods 0.000 claims abstract 2
- 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 54
- 239000000463 material Substances 0.000 claims description 20
- 239000003112 inhibitor Substances 0.000 claims description 17
- 230000003647 oxidation Effects 0.000 claims description 16
- 238000007254 oxidation reaction Methods 0.000 claims description 16
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 11
- 239000003153 chemical reaction reagent Substances 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 229910000077 silane Inorganic materials 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 229920002554 vinyl polymer Polymers 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 239000000654 additive Substances 0.000 abstract description 5
- 230000000996 additive effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 abstract description 2
- 239000000347 magnesium hydroxide Substances 0.000 abstract description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 abstract description 2
- 239000006087 Silane Coupling Agent Substances 0.000 abstract 1
- 235000012254 magnesium hydroxide Nutrition 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 229920003221 poly(phosphazene) elastomer Polymers 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 239000011777 magnesium Substances 0.000 description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 239000003610 charcoal Substances 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 4
- BKOOMYPCSUNDGP-UHFFFAOYSA-N 2-methylbut-2-ene Chemical group CC=C(C)C BKOOMYPCSUNDGP-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920000137 polyphosphoric acid Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002341 toxic gas Substances 0.000 description 3
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical group 0.000 description 2
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910017464 nitrogen compound Inorganic materials 0.000 description 2
- 150000002830 nitrogen compounds Chemical class 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 2
- RRWFUWRLNIZICP-UHFFFAOYSA-N 1-bromo-2-phenoxybenzene Chemical compound BrC1=CC=CC=C1OC1=CC=CC=C1 RRWFUWRLNIZICP-UHFFFAOYSA-N 0.000 description 1
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- CMQUQOHNANGDOR-UHFFFAOYSA-N 2,3-dibromo-4-(2,4-dibromo-5-hydroxyphenyl)phenol Chemical class BrC1=C(Br)C(O)=CC=C1C1=CC(O)=C(Br)C=C1Br CMQUQOHNANGDOR-UHFFFAOYSA-N 0.000 description 1
- WZHHYIOUKQNLQM-UHFFFAOYSA-N 3,4,5,6-tetrachlorophthalic acid Chemical compound OC(=O)C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1C(O)=O WZHHYIOUKQNLQM-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 125000006416 CBr Chemical group BrC* 0.000 description 1
- 125000006414 CCl Chemical group ClC* 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- KYPYTERUKNKOLP-UHFFFAOYSA-N Tetrachlorobisphenol A Chemical compound C=1C(Cl)=C(O)C(Cl)=CC=1C(C)(C)C1=CC(Cl)=C(O)C(Cl)=C1 KYPYTERUKNKOLP-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010504 bond cleavage reaction Methods 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 150000001649 bromium compounds Chemical class 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000004786 cone calorimetry Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- VUNCWTMEJYMOOR-UHFFFAOYSA-N hexachlorocyclopentadiene Chemical compound ClC1=C(Cl)C(Cl)(Cl)C(Cl)=C1Cl VUNCWTMEJYMOOR-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229940059574 pentaerithrityl Drugs 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
- 238000005829 trimerization reaction Methods 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
Classifications
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
-
- 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
-
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a preparation method for an environment-friendly anti-flaming anti-static polyethylene pipeline. The preparation method comprises the following steps: selecting the following components: high-density polyethylene resin, Mg(OH)2, 35-42 weight parts of phenoxy polyphosphazene elastomer, nanoscale calcium carbonate, nanoscale carbon black, silane coupling agent KH-570, pentaerythritol stearate, antioxygen 736 and antioxygen 168; preparing polyethylene master batch, mixing through a high-speed mixer, and extruding and pelletizing through a double-screw extruder; and preparing into the pipeline through the steps of extruding through a molding machine, sizing, dragging, cooling-shaping and cutting. The anti-flaming anti-static polyethylene pipeline prepared according to the method provided by the invention has the advantages that the fire retardant is high in anti-flaming efficiency, the additive amount is small, no molten drop is generated during combustion and fuming volume is small, no harmful gas is generated, and the pipeline is anti-flaming while the comprehensive mechanical property is excellent.
Description
Technical field
The present invention relates to a kind of preparation method of Environment-friendlyflame-retardant flame-retardant antistatic polyethylene pipeline, particularly relating to a kind of for carrying the preparation method of the Environment-friendlyflame-retardant flame-retardant antistatic polyethylene pipeline of the inflammable gases such as coal gas.
Background technology
Polyethylene pipe is one of modal pipeline, and it has low-temperature impact resistance, resistance to chemical attack, the advantage such as wear-resisting, feedwater, draining, heat supply, for combustion gas, agricultural irrigation, hydro project and various full scale plant in be all used widely.Polyethylene (Polyethylene, be called for short PE) refer to by the polymkeric substance of vinyl monomer radical polymerization, being one of maximum general-purpose plastics of output, is a kind of light weight, nontoxic, the thermoplastics with good physical strength, excellent electrical insulating property and resistance to chemical corrosion.And forming process is convenient, and be widely used in the industries such as electric wire, chemical industry, food, packaging, machinery, telecommunications, home decoration and civil construction, its demand rises just year by year.Polyethylene main decomposition products has ethane, ethene, propane, propylene, butylene, amylene, 1-butylene, hexane etc., and its degraded product formed is relevant with the route of intermolecular chain tra nsfer.Degradation process is under the impact being subject to oxygen, and degraded product mainly contains propionic aldehyde, amylene, Skellysolve A, butyraldehyde, valeral etc.The thermal degradation products that combustion processes finds mainly contains amylene, butyraldehyde, 1-hexene, normal hexane, benzene, valeral etc.Polyethylene is combustible polymers, oxygen index is 17 ~ 18%, combustion heat value belongs to the higher person in the polymeric material, be 45.9 MJ/kg, the heat release rate measured with cone calorimetry is also higher, polyethylene is the polymkeric substance that vinyl monomer is synthesized by polyaddition reaction, only has carbon, hydrogen two kinds of elements in the molecular structure.Polyethylene is said about 335 greatly and is decomposed between 50 DEG C.Under anaerobic, thermostability is higher.In an inert atmosphere, polyethylene occurs crosslinked at 202 DEG C, and 292 DEG C time, molecular weight starts to decline, and occurs degraded, but before 372 DEG C, significant decomposition can not occur.Poly thermal degradation reaction is in random scission and molecule and intermolecular transfer reaction, and high-temperature heating is degraded into low molecular weight substance, very easily propagating flame, initiation fire.China, only due to the fire losses that electric wire causes, reaches more than 50 hundred million yuans every year, and this is restricted with regard to making polyolefine application in a lot of fields.
Along with further developing of modern flame-retarded technology, increasing fire retardant appears in flame retardant area, and the Security and development for society has made tremendous contribution.The fire retardant that present people commonly use in polyolefine has two kinds: one is reactive flame retardant; Another kind is additive flame retardant.
Reactive flame retardant is that monomer by some being contained ignition-proof element participates in polyreaction, to make in the main chain of polymkeric substance or side chain, with ignition-proof element, to play fire-retardant effect.Reactive flame retardant mainly contains halo phenols, halo anhydrides, halogenated alcohols, halogen ester, halo ethers.Additive flame retardant refers to the fire retardant carrying out blended performance fire retardation with physical dispersion state with macromolecular material.Halogenated flame retardant is few with its addition, and flame retardant effect is significantly and conventional, the 70-80 age in 20th century in experienced by development golden age.Although its consumption is in downward trend gradually, its output and consumption are still fire retardant kind larger in the world at present.Halogenated flame retardant mainly contains chlorine-based flame retardant and the large class of bromide fire retardant two.The kind that chlorine-based flame retardant is conventional has that clorafin, chlorinatedpolyethylene, tetrachlorophthalic acid are joined, tetrachlorobisphenol A, hexachlorocyclopentadiene and derivative thereof etc.The flame retardant effect of chlorine-based flame retardant is not as good as bromide fire retardant, and this bond energy with C-Cl key is larger than the bond energy of C-Br key, not easily produces chlorine radicals relevant.Thus, in halogenated flame retardant, bromide fire retardant is absolute main flow.Bromide fire retardant divides from molecular structure can be divided into aromatic series, aliphatics, alicyclic and mixed type four kinds.Bromo-diphenyl ether, tetrabromo-bisphenol class, brominated polyol class, bromophthalic acid acid anhydride class can be divided into from compound structure, and other various novel sea flame retardant, conventional bromide fire retardant mainly contains decabromodiphenyl oxide (DBDPO), two (tetrabromo-phthalic two formyl) ethane etc.But, although halogenated flame retardant has good flame retardant effect, but release a large amount of toxic gases during burning, produce a large amount of toxic smogs, larger harm is had to human body, since the Dioxin problem occurred for 1986, halogenated flame retardant especially bromide fire retardant is faced with huge environmental protection pressure.
Reactive flame retardant makes the structural unit with anti-flaming function receive on polymer by chemical bond-linking due to it by polyreaction, therefore its flame retardant effect is lasting, and it is less on the physical and mechanical property impact of material, but because the problem of technology and price, its promotion and application are greatly limited.Compared with reactive flame retardant, the right agent of additive flame is easy to use, cheap, because of but realize the common method of polyethylene anti-flaming at present, the additive flame retardant being usually used in polyethylene anti-flaming modification has halogenated flame retardant, halogen-free flame retardants and composite flame retardant system etc.
Halogen-free flame retardants mainly comprises following a few class:
(1) hydroxide hydrate
That current acquisition is mainly applied is Mg (OH)
2with Al (OH)
3two kinds.Hydroxide hydrate because of its do not produce secondary pollution, Heat stability is good, good, nontoxic, corrosion-free, non-volatile with other fire retardant synergistic effect, do not produce that toxic gas, price are low, wide material sources, being described as nuisanceless fire retardant, is the fire retardant integrating fire-retardant, press down cigarette, fill three zones.But inorganic combustion inhibitor addition is large affects physical and mechanical properties, magnesium hydroxide addition often needs to reach more than 50% just can reach good flame retardant effect, and adds Mg (OH) in a large number
2with AI (OH)
3polyethylene mechanical property and processing characteristics can be made obviously to decline.
(2) phosphorus flame retardant
Phosphorus flame retardant take red phosphorus as representative, and red phosphorus system is red to red-purple powder, and because of its only phosphorus element-containing, so compare with other phosphorus compound, the flame retarding efficiency of red phosphorus wants high.Its fire-retardant rank of HDPE containing 8% red phosphorus just can reach UL-94 V-0 level.
But also there is poor compatibility, the easily moisture absorption of same polyvinyl resin, the deficiency such as the color is too dark in red phosphorus.
(3) expansibility flame-proof agent
Expansibility flame-proof agent is not single fire retardant kind, but with the Halogen composite flame retardant system that phosphorus, nitrogen, carbon are main component, it is not halogen-containing, does not adopt Sb yet
2o
3make synergist, in its system, self there is synergy.Because this based flame retardant can be expanded foamed when being heated, so be called expansibility flame-proof agent.Plastics containing expansibility flame-proof agent can generate carbonaceous foam in surface when burning, and play heat insulation, oxygen barrier, press down cigarette, anti-ly melt effects such as dripping, have excellent flame retardant properties, have again the advantages such as Halogen, low cigarette, low toxicity, anti-drippage and non-corrosiveness gas.
Expansibility flame-proof agent is generally made up of three parts: acid source, charcoal source, source of the gas.Concrete three components is as follows: 1. acid source is also called dewatering agent, catalyzer or charing promotor.Be generally mineral acid or inorganic acid compound, can with resin effect, promote the generation of carbide.Concrete kind has: phosphoric acid, sulfuric acid, boric acid, phosphoric acid money salt, phosphoric acid vinegar, phosphoric acid salt and polyphosphoric acid amine etc., the most conventional with polyphosphoric acid amine.2. charcoal source, is also called char-forming agent.Be mainly the more much higher light based compound of some carbon content or carbohydrate, as resin itself, starch, tetramethylolmethane and dimer and tripolymer etc.3. source of the gas, is also called whipping agent, can discharge rare gas element.For containing nitrogen compound, as amine and phthalein amine, specifically there are urea, trimerization pendant amine, Dyhard RU 100, polyphosphoric acid amine, poly-ammonia is cruel, poly-takes resin etc.Nitrogen compound, except playing foaming effect, also has promoter action to the formation of charring layer.But there is moisture absorption in these fire retardants, combustion decomposition process not easily obtains closed pore layer of charcoal and the defect that flame retardant effect is not good.
Summary of the invention
The object of this invention is to provide a kind of preparation method of Environment-friendlyflame-retardant flame-retardant antistatic polyethylene pipeline, obtained polyethylene pipe has good flame retardant properties and does not produce toxic gas on the basis keeping the original performance of polyvinyl resin.
The technical scheme adopted for achieving the above object of the present invention is:
A preparation method for Environment-friendlyflame-retardant flame-retardant antistatic polyethylene pipeline, comprises the steps:
1) according to following component proportion precise raw material:
High-density polyethylene resin 97 ~ 103 weight part,
Mg (OH)
231 ~ 39 weight parts,
Phenoxy group polyphosphonitrile elastomerics 35 ~ 42 weight part,
Nanometer grade calcium carbonate 37 ~ 40 weight part,
Nano level carbon black 6 ~ 8 weight part,
Silane coupling reagent KH-570 5 ~ 7 weight part,
Pentaerythritol stearate 1 ~ 1.3 weight part,
Oxidation inhibitor 736 0.8 ~ 1 weight part,
Irgasfos 168 0.6 ~ 0.9 weight part.
Then fully dry;
2) first get the high-density polyethylene resin of 30 ~ 50 weight parts, the phenoxy group polyphosphonitrile elastomerics of 12 ~ 20 weight parts, the pentaerythritol stearate of 0.4 ~ 0.6 weight part, oxidation inhibitor 736,0.2 ~ 0.3 weight part of 0.2 ~ 0.4 weight part irgasfos 168 add in high-speed mixer and mix, mixing time 2-3 minute, then 130 DEG C ~ 150 DEG C banburyings 15 ~ 20 minutes in Banbury mixer, the broken polyethylene master batch obtained containing phenoxy group polyphosphonitrile is taken out;
3) in proportion by step 2) the obtained polyethylene master batch containing phenoxy group polyphosphonitrile, add in high-speed mixer mix together with Mg (OH) 2, nanometer grade calcium carbonate, nano level carbon black, Silane coupling reagent KH-570 and remaining high-density polyethylene resin, phenoxy group polyphosphonitrile elastomerics, pentaerythritol stearate and oxidation inhibitor 736, irgasfos 168, mixing time 4-6 minute, discharging is for subsequent use;
4) material step 3) mixed in twin screw extruder under 145 DEG C ~ 165 DEG C conditions extruding pelletization;
5) by after the material drying process after step 4) granulation, then extrude through forming machine on polyvinyl piping materials production line---sizing---traction---cooling and shaping---cutting step make tubing.
As preferred embodiment, in step 4), the parameter of twin screw extruder is, the temperature of melting mixing is as follows: the first 145 DEG C, district, the second 150 DEG C, district, 3rd 155 DEG C, district, the 4th 160 DEG C, district, the 5th 165 DEG C, district, the 6th 155 DEG C, district, SECTOR-SEVEN 150 DEG C, Section Eight 145 DEG C, machine head port mould 145 DEG C; Screw speed is 300r/min; Feed screw rotating speed is 24r/min.
Fire retardant, antistatic polyethylene pipe road of the present invention, add nano level carbon black wherein and improve its antistatic effect, add phenoxy group polyphosphonitrile elastomerics simultaneously and improve poly flame retardant properties, phenoxy group polyphosphonitrile elastomerics contains the phosphoric of high level, the strong acid such as phosphoric acid, metaphosphoric acid can be generated under high temperature, promote that organics dehydration becomes charcoal; Nitrogen dilution can be generated and blocking oxygen under nitrogen element high temperature; Phenyl ring then provides a large amount of charcoals, makes up the problem of polyethylene combustion decomposition process neat coal amout deficiency.Nano level Mg (OH)
2as synergist, utilize its press down cigarette, cooling function improve poly flame retardant properties further.Nanometer grade calcium carbonate effectively can improve mechanical property and the flame retardant properties of material.By cooperation and the synergy of above each component, serve fabulous flame retardant effect.Through Mechanics Performance Testing and combustionproperty test, fire retardant, antistatic polyethylene pipe road of the present invention fire retardant efficiency is high, and addition is little, and burning does not produce molten drop and the amount of being fuming is little, does not produce obnoxious flavour, and comprehensive mechanical property is good while fire-retardant.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of Environment-friendlyflame-retardant flame-retardant antistatic polyethylene pipeline of the present invention.
Embodiment
Following examples describe the present invention in detail.Various raw material used in the present invention and items of equipment are conventional commercial product, all can be bought by market and directly obtain.
embodiment 1
Prepare Environment-friendlyflame-retardant flame-retardant antistatic polyethylene pipeline as follows
1) according to each component of following component proportion precise, then fully dry;
High-density polyethylene resin 97 weight part,
Mg (OH)
239 weight parts,
Phenoxy group polyphosphonitrile elastomerics 35 weight part,
Nanometer grade calcium carbonate 37 weight part,
Nano level carbon black 6 weight part,
Silane coupling reagent KH-570 5 weight part,
Pentaerythritol stearate 1 weight part,
Oxidation inhibitor 736 0.8 weight part,
Irgasfos 168 0.6 weight part,
Its preparation method is as follows:
2) first get the high-density polyethylene resin of 30 weight parts, the phenoxy group polyphosphonitrile elastomerics of 12 weight parts, the pentaerythritol stearate of 0.4 weight part, oxidation inhibitor 736,0.2 weight part of 0.2 weight part irgasfos 168 add in GH-10A type high-speed mixer and mix, mixing time 2 minutes, then 130 DEG C of banburyings 15 minutes in Banbury mixer, the broken polyethylene master batch obtained containing phenoxy group polyphosphonitrile is taken out;
3) in proportion by step 2) the obtained polyethylene master batch containing phenoxy group polyphosphonitrile, to add in GH-10A type high-speed mixer together with Mg (OH) 2, nanometer grade calcium carbonate, nano level carbon black, Silane coupling reagent KH-570 and remaining high-density polyethylene resin, phenoxy group polyphosphonitrile elastomerics, pentaerythritol stearate and oxidation inhibitor 736, irgasfos 168 and mix, mixing time 4 minutes, discharging is for subsequent use;
4) material step 3) mixed carries out melting mixing extruding pelletization by SHJ-36 type parallel double-screw extruder, the temperature of melting mixing is as follows: the first 145 DEG C, district, second 150 DEG C, district, 3rd 155 DEG C, district, the 4th 160 DEG C, district, the 5th 165 DEG C, district, 6th 155 DEG C, district, SECTOR-SEVEN 150 DEG C, Section Eight 145 DEG C, machine head port mould 145 DEG C; Screw speed is 300r/min; Feed screw rotating speed is 24r/min.
5) by after the material drying process after step 4) granulation, then extrude through forming machine on polyvinyl piping materials production line---sizing---traction---cooling and shaping---cutting step make tubing.This step is conventional polyvinyl piping materials production sequence, is no longer described in detail.
Mechanics and combustionproperty test are carried out to the product of embodiment 1, CMT-6104 electronic universal tester is wherein adopted to press GB/T 1040-92 plastic tensile experimental technique test tensile strength and elongation at break, draw speed is 100mm/min, shock strength adopts XCS-200 impact specimen machine, measures by GB/T 1040-93; Limiting oxygen index(LOI) test adopts HC-2 type oxygen index instrument, tests by GB/T2406-93 standard test methods.
Through test, the flame retardant rating of the Environment-friendlyflame-retardant flame-retardant antistatic polyethylene pipeline of embodiment 1 is FV-0 level, and tensile strength is 26.3Mpa, and elongation at break is 630%, and notched Izod impact strength is 21 KJ/m
2.
embodiment 2
Prepare Environment-friendlyflame-retardant flame-retardant antistatic polyethylene pipeline as follows
1) according to each component of following component proportion precise, then fully dry;
High-density polyethylene resin 99 weight part,
Mg (OH)
235 weight parts,
Phenoxy group polyphosphonitrile elastomerics 39 weight part,
Nanometer grade calcium carbonate 38 weight part,
Nano level carbon black 7 weight part,
Silane coupling reagent KH-570 6 weight part,
Pentaerythritol stearate 1.2 weight part,
Oxidation inhibitor 736 0.9 weight part,
Irgasfos 168 0.8 weight part,
Its preparation method is as follows:
2) first get the high-density polyethylene resin of 40 weight parts, the phenoxy group polyphosphonitrile elastomerics of 17 weight parts, the pentaerythritol stearate of 0.5 weight part, oxidation inhibitor 736,0.2 weight part of 0.3 weight part irgasfos 168 add in GH-10A type high-speed mixer and mix, mixing time 3 minutes, then 140 DEG C of banburyings 18 minutes in Banbury mixer, the broken polyethylene master batch obtained containing phenoxy group polyphosphonitrile is taken out;
3) in proportion by step 2) the obtained polyethylene master batch containing phenoxy group polyphosphonitrile, to add in GH-10A type high-speed mixer together with Mg (OH) 2, nanometer grade calcium carbonate, nano level carbon black, Silane coupling reagent KH-570 and remaining high-density polyethylene resin, phenoxy group polyphosphonitrile elastomerics, pentaerythritol stearate and oxidation inhibitor 736, irgasfos 168 and mix, mixing time 5 minutes, discharging is for subsequent use;
4) material step 3) mixed carries out melting mixing extruding pelletization by SHJ-36 type parallel double-screw extruder, the temperature of melting mixing is as follows: the first 145 DEG C, district, second 150 DEG C, district, 3rd 155 DEG C, district, the 4th 160 DEG C, district, the 5th 165 DEG C, district, 6th 155 DEG C, district, SECTOR-SEVEN 150 DEG C, Section Eight 145 DEG C, machine head port mould 145 DEG C; Screw speed is 300r/min; Feed screw rotating speed is 24r/min.
5) by after the material drying process after step 4) granulation, then extrude through forming machine on polyvinyl piping materials production line---sizing---traction---cooling and shaping---cutting step make tubing.
Carry out mechanics and combustionproperty test to the product of the present embodiment, testing method is the same
Through test, the flame retardant rating of the Environment-friendlyflame-retardant flame-retardant antistatic polyethylene pipeline of the present embodiment is FV-0 level, and tensile strength is 27.1Mpa, and elongation at break is 643%, and notched Izod impact strength is 22 KJ/m
2.
embodiment 3
Prepare Environment-friendlyflame-retardant flame-retardant antistatic polyethylene pipeline as follows
1) according to each component of following component proportion precise, then fully dry;
High-density polyethylene resin 103 weight part,
Mg (OH)
231 weight parts,
Phenoxy group polyphosphonitrile elastomerics 42 weight part,
Nanometer grade calcium carbonate 40 weight part,
Nano level carbon black 8 weight part,
Silane coupling reagent KH-570 7 weight part,
Pentaerythritol stearate 1.3 weight part,
Oxidation inhibitor 736 1 weight part,
Irgasfos 168 0.9 weight part,
Its preparation method is as follows:
2) first get the high-density polyethylene resin of 50 weight parts, the phenoxy group polyphosphonitrile elastomerics of 20 weight parts, the pentaerythritol stearate of 0.6 weight part, oxidation inhibitor 736,0.2 ~ 0.3 weight part of 0.4 weight part irgasfos 168 add in GH-10A type high-speed mixer and mix, mixing time 3 minutes, then 150 DEG C of banburyings 20 minutes in Banbury mixer, the broken polyethylene master batch obtained containing phenoxy group polyphosphonitrile is taken out;
3) in proportion by step 2) the obtained polyethylene master batch containing phenoxy group polyphosphonitrile, to add in GH-10A type high-speed mixer together with Mg (OH) 2, nanometer grade calcium carbonate, nano level carbon black, Silane coupling reagent KH-570 and remaining high-density polyethylene resin, phenoxy group polyphosphonitrile elastomerics, pentaerythritol stearate and oxidation inhibitor 736, irgasfos 168 and mix, mixing time 6 minutes, discharging is for subsequent use;
4) material step 3) mixed carries out melting mixing extruding pelletization by SHJ-36 type parallel double-screw extruder, the temperature of melting mixing is as follows: the first 145 DEG C, district, second 150 DEG C, district, 3rd 155 DEG C, district, the 4th 160 DEG C, district, the 5th 165 DEG C, district, 6th 155 DEG C, district, SECTOR-SEVEN 150 DEG C, Section Eight 145 DEG C, machine head port mould 145 DEG C; Screw speed is 300r/min; Feed screw rotating speed is 24r/min.
5) by after the material drying process after step 4) granulation, then extrude through forming machine on polyvinyl piping materials production line---sizing---traction---cooling and shaping---cutting step make tubing.
Carry out mechanics and combustionproperty test to the product of the present embodiment, testing method is the same
Through test, the flame retardant rating of the Environment-friendlyflame-retardant flame-retardant antistatic polyethylene pipeline of the present embodiment is FV-0 level, and tensile strength is 27.7Mpa, and elongation at break is 639%, and notched Izod impact strength is 21 KJ/m
2.
The foregoing describe ultimate principle of the present invention and principal character and advantage of the present invention; the technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. a preparation method for Environment-friendlyflame-retardant flame-retardant antistatic polyethylene pipeline, is characterized in that, comprises the steps:
Step 1) is according to following component proportion precise raw material:
High-density polyethylene resin 97 ~ 103 weight part,
Mg (OH)
231 ~ 39 weight parts,
Phenoxy group polyphosphonitrile elastomerics 35 ~ 42 weight part,
Nanometer grade calcium carbonate 37 ~ 40 weight part,
Nano level carbon black 6 ~ 8 weight part,
Silane coupling reagent KH-570 5 ~ 7 weight part,
Pentaerythritol stearate 1 ~ 1.3 weight part,
Oxidation inhibitor 736 0.8 ~ 1 weight part,
Irgasfos 168 0.6 ~ 0.9 weight part,
Then fully dry;
Step 2) first get the high-density polyethylene resin of 30 ~ 50 weight parts, the phenoxy group polyphosphonitrile elastomerics of 12 ~ 20 weight parts, the pentaerythritol stearate of 0.4 ~ 0.6 weight part, oxidation inhibitor 736,0.2 ~ 0.3 weight part of 0.2 ~ 0.4 weight part irgasfos 168 add in high-speed mixer and mix, mixing time 2-3 minute, then 130 DEG C ~ 150 DEG C banburyings 15 ~ 20 minutes in Banbury mixer, the broken polyethylene master batch obtained containing phenoxy group polyphosphonitrile is taken out;
Step 3) is in proportion by step 2) the obtained polyethylene master batch containing phenoxy group polyphosphonitrile, together with Mg (OH)
2, nanometer grade calcium carbonate, nano level carbon black, Silane coupling reagent KH-570 and remaining high-density polyethylene resin, phenoxy group polyphosphonitrile elastomerics, pentaerythritol stearate and oxidation inhibitor 736, irgasfos 168 add in high-speed mixer and mix, mixing time 4-6 minute, discharging is for subsequent use;
The material that step 3) mixes by step 4) in twin screw extruder under 145 DEG C ~ 165 DEG C conditions extruding pelletization;
Step 5) by after the material drying process after step 4) granulation, then is extruded through forming machine on polyvinyl piping materials production line, and------step of traction---cooling and shaping---cutting makes tubing to sizing.
2. the preparation method of Environment-friendlyflame-retardant flame-retardant antistatic polyethylene pipeline according to claim 1, it is characterized in that: in step 4), the parameter of twin screw extruder is, the temperature of melting mixing is as follows: the first 145 DEG C, district, the second 150 DEG C, district, the 3rd 155 DEG C, district, 4th 160 DEG C, district, 5th 165 DEG C, district, the 6th 155 DEG C, district, SECTOR-SEVEN 150 DEG C, Section Eight 145 DEG C, machine head port mould 145 DEG C; Screw speed is 300r/min; Feed screw rotating speed is 24r/min.
3. the preparation method of Environment-friendlyflame-retardant flame-retardant antistatic polyethylene pipeline according to claim 1 and 2, is characterized in that: feed composition is preferably:
High-density polyethylene resin 99 weight part,
Mg (OH)
235 weight parts,
Phenoxy group polyphosphonitrile elastomerics 39 weight part,
Nanometer grade calcium carbonate 38 weight part,
Nano level carbon black 7 weight part,
Silane coupling reagent KH-570 6 weight part,
Pentaerythritol stearate 1.2 weight part,
Oxidation inhibitor 736 0.9 weight part,
Irgasfos 168 0.8 weight part.
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| CN110194858A (en) * | 2019-04-30 | 2019-09-03 | 广东安恒塑业有限公司 | A kind of modified HDPE material and preparation method thereof and cable protection pipe obtained |
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| CN103408828B (en) * | 2013-09-03 | 2015-11-18 | 武汉麟青管业有限公司 | A kind of preparation method of halogen-free flameproof PE pipe |
| CN107151362A (en) * | 2017-05-19 | 2017-09-12 | 江苏祥生新能源科技有限公司 | The preparation method in environment-protection flame-proof electrostatic resistance superhigh molecular weight polyethylene pipe road |
| CN113429661B (en) * | 2021-07-16 | 2023-05-09 | 安徽瑞丰管业有限公司 | Antistatic electric power protection tube and preparation method thereof |
| CN113480793A (en) * | 2021-07-21 | 2021-10-08 | 山东建安实业有限公司 | Polyethylene gas pipeline processing technology |
| CN115353681B (en) * | 2022-08-20 | 2023-12-29 | 广州合强暖通空调材料有限公司 | High-flame-retardance heat-insulation material and preparation method thereof |
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