CN114806009B - Electret master batch for melt-blown electret and preparation method and application thereof - Google Patents
Electret master batch for melt-blown electret and preparation method and application thereof Download PDFInfo
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- CN114806009B CN114806009B CN202210343153.0A CN202210343153A CN114806009B CN 114806009 B CN114806009 B CN 114806009B CN 202210343153 A CN202210343153 A CN 202210343153A CN 114806009 B CN114806009 B CN 114806009B
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- Prior art keywords
- electret
- melt
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- blown
- agent
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- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 32
- -1 polypropylene Polymers 0.000 claims abstract description 27
- 239000004743 Polypropylene Substances 0.000 claims abstract description 19
- 229920001155 polypropylene Polymers 0.000 claims abstract description 19
- 239000004611 light stabiliser Substances 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 10
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 10
- LEVFXWNQQSSNAC-UHFFFAOYSA-N 2-(4,6-diphenyl-1,3,5-triazin-2-yl)-5-hexoxyphenol Chemical compound OC1=CC(OCCCCCC)=CC=C1C1=NC(C=2C=CC=CC=2)=NC(C=2C=CC=CC=2)=N1 LEVFXWNQQSSNAC-UHFFFAOYSA-N 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 5
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 4
- JGUMTYWKIBJSTN-UHFFFAOYSA-N 2-ethylhexyl 4-[[4,6-bis[4-(2-ethylhexoxycarbonyl)anilino]-1,3,5-triazin-2-yl]amino]benzoate Chemical compound C1=CC(C(=O)OCC(CC)CCCC)=CC=C1NC1=NC(NC=2C=CC(=CC=2)C(=O)OCC(CC)CCCC)=NC(NC=2C=CC(=CC=2)C(=O)OCC(CC)CCCC)=N1 JGUMTYWKIBJSTN-UHFFFAOYSA-N 0.000 claims description 4
- HNNCFMUZZXJQLR-UHFFFAOYSA-N 5-nitro-2-phenylisoindole-1,3-dione Chemical compound O=C1C2=CC([N+](=O)[O-])=CC=C2C(=O)N1C1=CC=CC=C1 HNNCFMUZZXJQLR-UHFFFAOYSA-N 0.000 claims description 4
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 239000000600 sorbitol Substances 0.000 claims description 4
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 4
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 3
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 claims description 3
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000003508 Dilauryl thiodipropionate Substances 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 239000007983 Tris buffer Substances 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 3
- 235000019304 dilauryl thiodipropionate Nutrition 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 229920001911 maleic anhydride grafted polypropylene Polymers 0.000 claims description 3
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 3
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- TYCLKLCKLGCVEZ-UHFFFAOYSA-N 1,1-bis(2,6-ditert-butyl-4-methylphenyl)-2,2-bis(hydroxymethyl)propane-1,3-diol phosphono dihydrogen phosphate Chemical compound OP(O)(=O)OP(=O)(O)O.C(C)(C)(C)C1=C(C(=CC(=C1)C)C(C)(C)C)C(O)(C(CO)(CO)CO)C1=C(C=C(C=C1C(C)(C)C)C)C(C)(C)C TYCLKLCKLGCVEZ-UHFFFAOYSA-N 0.000 claims description 2
- VNQNXQYZMPJLQX-UHFFFAOYSA-N 1,3,5-tris[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-1,3,5-triazinane-2,4,6-trione Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CN2C(N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C(=O)N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C2=O)=O)=C1 VNQNXQYZMPJLQX-UHFFFAOYSA-N 0.000 claims description 2
- KMRIWYPVRWEWRG-UHFFFAOYSA-N 2-(6-oxobenzo[c][2,1]benzoxaphosphinin-6-yl)benzene-1,4-diol Chemical compound OC1=CC=C(O)C(P2(=O)C3=CC=CC=C3C3=CC=CC=C3O2)=C1 KMRIWYPVRWEWRG-UHFFFAOYSA-N 0.000 claims description 2
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 claims description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 2
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 claims description 2
- 229940063655 aluminum stearate Drugs 0.000 claims description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- 239000012969 di-tertiary-butyl peroxide Substances 0.000 claims description 2
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 2
- 235000019359 magnesium stearate Nutrition 0.000 claims description 2
- JKBYAWVSVVSRIX-UHFFFAOYSA-N octadecyl 2-(1-octadecoxy-1-oxopropan-2-yl)sulfanylpropanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)SC(C)C(=O)OCCCCCCCCCCCCCCCCCC JKBYAWVSVVSRIX-UHFFFAOYSA-N 0.000 claims description 2
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 10
- 150000003839 salts Chemical class 0.000 abstract description 7
- 238000003860 storage Methods 0.000 abstract description 4
- 239000002861 polymer material Substances 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 28
- 230000032683 aging Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 239000000155 melt Substances 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- KZGROEDUAFPSGN-UHFFFAOYSA-N (2,4-ditert-butylphenyl) dihydrogen phosphate Chemical compound CC(C)(C)C1=CC=C(OP(O)(O)=O)C(C(C)(C)C)=C1 KZGROEDUAFPSGN-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 239000002656 Distearyl thiodipropionate Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- PWWSSIYVTQUJQQ-UHFFFAOYSA-N distearyl thiodipropionate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCCCCCC PWWSSIYVTQUJQQ-UHFFFAOYSA-N 0.000 description 1
- 235000019305 distearyl thiodipropionate Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004750 melt-blown nonwoven Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- XONPDZSGENTBNJ-UHFFFAOYSA-N molecular hydrogen;sodium Chemical compound [Na].[H][H] XONPDZSGENTBNJ-UHFFFAOYSA-N 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- ZHROMWXOTYBIMF-UHFFFAOYSA-M sodium;1,3,7,9-tetratert-butyl-11-oxido-5h-benzo[d][1,3,2]benzodioxaphosphocine 11-oxide Chemical compound [Na+].C1C2=CC(C(C)(C)C)=CC(C(C)(C)C)=C2OP([O-])(=O)OC2=C1C=C(C(C)(C)C)C=C2C(C)(C)C ZHROMWXOTYBIMF-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229920005609 vinylidenefluoride/hexafluoropropylene copolymer Polymers 0.000 description 1
- 238000002018 water-jet injection Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/16—Homopolymers or copolymers of vinylidene fluoride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/18—Homopolymers or copolymers of tetrafluoroethylene
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/156—Heterocyclic compounds having oxygen in the ring having two oxygen atoms in the ring
- C08K5/1575—Six-membered rings
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3415—Five-membered rings
- C08K5/3417—Five-membered rings condensed with carbocyclic rings
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
- C08K5/523—Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds
Abstract
The invention relates to the technical field of polymer materials, and provides a electret master batch for melt-blown electret, and a preparation method and application thereof. The electret master batch for the melt-blown electret comprises the following components in parts by weight: 73.5-91.4 parts of polypropylene, 5-15 parts of main electret agent, 1-5 parts of auxiliary electret agent, 0.5-1 part of composite light stabilizer, 0.1-0.5 part of antioxidant, 1-2 parts of compatilizer and 1-3 parts of lubricant; according to the invention, through the synergistic effect of the main electret agent, the auxiliary electret agent and the composite light stabilizer in the electret master batch, the density and depth of the charge trapping energy well of the melt-blown electret prepared from the electret master batch are obviously improved, the charge trapping capacity is higher, the storage time is longer, the filter effect on salt particles and oily particles is good after the electret master batch is subjected to water charging, the filter effect is up to 98% or more, and the salt and oily particle filter efficiency can be up to 95% or more after the electret master batch is stored at a high temperature.
Description
Technical Field
The invention relates to the technical field of polymer materials, in particular to a electret master batch for melt-blown electret, and a preparation method and application thereof.
Background
Electrets are widely used in various industries due to their permanent charging characteristics. Among them, melt-blown electrets are widely used for filtering particulate contaminants and pathogens, such as personal protection products for masks and the like, due to their ultra-fine web structure. The materials used in the melt-blown electret are required to have non-conductivity, and polypropylene is widely used in the melt-blown electret due to its high resistivity, good chemical stability and hygiene, excellent combination property and low price.
The electret polypropylene melt-blown fiber material can only filter particles through physical barrier effect, and can not effectively filter tiny bacteria and germs. The polypropylene melt-blown fiber material can be charged only through electret treatment, and can effectively filter particles and germs through electrostatic adsorption. To enable polypropylene melt blown electrets to better retain and store charge, it is necessary to add electret master batches with electret agents as the main component during the production of the electrets. The electret not only can improve the crystallinity and mechanical deformation of the material and change the structure of the material to form slender hole channels so as to prevent charge drift, but also can generate charge traps to trap charges.
The electret method also has an influence on the charge storage performance, the commonly used electret method is a corona discharge method at present, the surface electret is obvious, but the filtration efficiency can not reach the peak value, the charge storage can be reduced with time, and the electrostatic attenuation of the surface of the material is obvious. In the water charging method, the prepared pure water is conveyed to the fan-shaped nozzle through the high-pressure water pump, the melt-blown cloth is subjected to water jet injection, and electric charge is generated through friction between the pure water and the melt-blown cloth, so that the effect of electret is achieved. The static amount of the polypropylene melt-blown electret through the water charging electret is saturated, the electric quantity is more durable, and the problem of reduced filtration effect after the melt-blown electret is stored can be effectively solved.
In the prior art, patent CN111607895A adopts corona electret to prepare a melt-blown cloth for filtering oily particles by adding oil-absorbing resin, inorganic electret and organic electret for compounding, but the filtering effect of the melt-blown cloth under the high-temperature condition is not studied; patent CN111560137a adopts a method of combining a electret stearate and an imide polymer, combining a stearate and a hindered amine or combining a stearate, an imide polymer and a hindered amine to prepare a mask melt-blown non-woven fabric, the salt particle filtration efficiency under high temperature and high humidity is studied, and the oil filtration efficiency is not studied; patent CN110036148A takes 944LD as a electret agent, prepares electret fiber sheets by a water charging mode, and researches the influence of a crystal nucleus agent on the particle filtration efficiency of the electret fiber sheets.
The melt-blown electret prepared by the prior art is mainly used for filtering non-oily particles, can not effectively filter oily particles such as chemical waste gas, oil smoke particles and the like, and has obvious charge attenuation at high temperature, so that the filtering effect is reduced.
Disclosure of Invention
Based on the above, the invention aims to provide a electret master batch for melt-blown electret, and a preparation method and application thereof, aiming at the defects of the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the electret master batch for the melt-blown electret comprises the following components in parts by weight:
73.5 to 91.4 parts of polypropylene;
5-15 parts of main electret agent;
1-5 parts of auxiliary electret agent;
0.5 to 1 part of composite light stabilizer;
0.1 to 0.5 part of antioxidant;
1-2 parts of compatilizer;
1-3 parts of lubricant;
the main pole agent is one or more of polytetrafluoroethylene, polyvinylidene fluoride, vinylidene fluoride/trifluoroethylene copolymer and vinylidene fluoride/hexafluoropropylene copolymer;
the auxiliary electret agent is one or more of sodium 4- (1, 1-dimethyl ethyl) phenol hydrogen phosphate, 2' -methylene-bis (4, 6-di-tert-butylphenyl phosphate) basic aluminum, sodium 2,2' -methylene-bis (4, 6-di-tert-butylphenyl) phosphate, (1, 3-2, 4) -bis (3, 4-dimethyl dibenzylidene) sorbitol, N ' - (1, 4-phenylene) bismaleimide and 4-nitro-N-phenyl phthalimide;
the compound light stabilizer is a compound triazine light stabilizer and is formed by compounding 2- (4, 6-diphenyl-1, 3, 5-triazine-2-yl) -5-hexyloxy-phenol (UV-1577) and ethylhexyl triazone (UV-150) according to a mass ratio of 1:1.
As a further improvement of the present invention, the main electret is one or more of polytetrafluoroethylene and vinylidene fluoride/trifluoroethylene copolymer.
As a further improvement of the invention, the auxiliary electrode agent is one or more of (1, 3-2, 4) -di (3, 4-dimethyl dibenzylidene) sorbitol and 4-nitro-n-phenyl phthalimide.
As a further improvement of the invention, the antioxidant is one or more of pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanurate, dilauryl thiodipropionate, dioctadecyl thiodipropionate, phenyl tris (2, 4-di-tert-butyl) phosphite, bis (2, 6-di-tert-butyl-4-methylphenyl) pentaerythritol diphosphate, and 10- (2, 5-dihydroxyphenyl) -10H-9-oxa-10-phosphaphenanthrene-10-oxide.
As a further improvement of the invention, the compatilizer is maleic anhydride grafted polypropylene, and the grafting rate is 0.7-1.1%.
As a further improvement of the present invention, the lubricant is one or more of magnesium stearate, calcium stearate, aluminum stearate, oleamide and erucamide.
As a further improvement of the present invention, the polypropylene is a homo-polypropylene.
As a further improvement of the invention, the melt finger of the homo-polypropylene is 1000-2000g/10min under the test condition of 230 ℃/2.16kg, the ash content is less than or equal to 0.3%, and the residual amount of the DTBP is less than or equal to 5mg/kg.
The preparation method of the electret master batch for the melt-blown electret is mainly used for preparing the electret master batch for the melt-blown electret and comprises the following preparation steps of:
(1) The polypropylene, the main electret agent, the auxiliary electret agent, the composite light stabilizer, the antioxidant, the compatilizer and the lubricant are weighed according to the formula amount and added into a high-speed mixer for uniform mixing, wherein the rotating speed of the high-speed mixer is 500-1000 rpm, and the mixing time is 5-10 min;
(2) And (3) putting the materials uniformly mixed in the step (1) into a double-screw extruder with the temperature of each area of the screw being 160-200 ℃, and obtaining the electret master batch for the melt-blown electret through melt extrusion, cooling granulation and drying.
A method for preparing a melt-blown electret, comprising the following preparation steps: mixing the electret master batch for the melt-blown electret with polypropylene according to the proportion of 1:9, mixing in proportion, then spraying on a melt-spraying device, cooling and rolling, and carrying out electret treatment by adopting a water electret method to obtain the melt-spraying electret.
The beneficial effects of the invention are as follows:
1. according to the invention, through the synergistic effect of the main electret agent and the auxiliary electret agent in the electret master batch, the charge reserve and the storage time of the melt-blown electret prepared by the electret master batch are improved, and the filter effect on both the salt particles and the oily particles after water charging is good.
2. The invention uses the compound triazine light stabilizer, improves the ageing resistance of the electret, and ensures that the melt-blown electret can still keep higher filtering effect after being stored at high temperature.
3. The electret agent used in the invention is an organic electret agent, so that the risk of blockage of the spinneret plate in the melt blowing process is reduced.
Detailed Description
The technical scheme of the present invention will be described in detail with reference to examples. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The raw materials used in the examples and comparative examples are now described as follows, but are not limited to these materials:
polypropylene: the melt index of the homo-polypropylene is 1000-2000g/10min under the test condition of 230 ℃/2.16kg, the ash content is less than or equal to 0.3 percent, the DTBP residue is less than or equal to 5mg/kg, and the self-made polypropylene is self-made;
main pole agent: polytetrafluoroethylene, polyvinylidene fluoride, vinylidene fluoride/trifluoroethylene copolymers, commercially available;
auxiliary electrode agent: sodium hydrogen 4- (1, 1-dimethylethyl) phenate, (1, 3-2, 4) -bis (3, 4-dimethyldibenzylidene) sorbitol, 4-nitro-n-phenyl phthalimide, commercially available;
composite light stabilizer: UV-1577 and UV-150, commercially available;
an antioxidant: dilauryl thiodipropionate, distearyl thiodipropionate, phenyl tris (2, 4-di-tert-butyl) phosphite, commercially available;
and (3) a compatilizer: maleic anhydride grafted polypropylene with grafting rate of 0.7-1.1% and commercially available;
and (3) a lubricant: oleamide, commercially available.
The test criteria or methods for the relevant performance are as follows:
melt flow rate: determination of thermoplastic melt Mass flow Rate and melt volume flow Rate according to Standard GB/T3682-2000 part 1: the rule B in the standard method is tested;
ash content: determination of Plastic Ash according to Standard GB/T9345.1-2008 part 1: rule A in general methods;
filtration efficiency: according to the standard EN149 respiratory protection apparatus.
Examples and comparative examples:
(1) According to the proportions in tables 1, 2 and 3, weighing polypropylene, a main electret agent, an auxiliary electret agent, a composite light stabilizer and an antioxidant, weighing 1% of compatilizer and 1% of lubricant calculated according to the mass of the electret master batch, and adding the mixture into a high-speed mixer for uniform mixing, wherein the rotating speed of the high-speed mixer is 500-1000 rpm, and the mixing time is 5-10 min;
(2) And (3) putting the uniformly mixed materials into a double-screw extruder with the temperature of each area of the screw being 160-200 ℃, and obtaining the electret master batch for the melt-blown electret through melt extrusion, cooling granulation and drying.
After the volatile matters and the melt flow rates of the electret master batches prepared in the above examples and comparative examples were measured, the prepared electret master batches were mixed with polypropylene in a weight ratio of 1:9. And (3) melting the mixed materials through melt-blowing equipment, forming net-shaped superfine fibers through a spinneret plate, and carrying out water charging electret on the superfine fibers to obtain the melt-blown electret. The initial filtration efficiency and filtration efficiency after high temperature aging of the melt blown electret were tested with a TSI8130 automatic filtration tester, and the results are shown in Table 2.
The initial filtration efficiency is according to the test method of Particle Filtration Efficiency (PFE) in the standard EN149 respiratory protection equipment;
the high-temperature aging test method comprises the following steps: the melt-blown electret was placed in a forced air drying oven at 100℃for 42 hours and 84 hours, respectively, and after at least 4 hours at room temperature, its Particle Filtration Efficiency (PFE) was measured.
Table 1 components (parts by weight) of electret masterbatches for melt blown electrets in examples 1-9 and melt flow rate and ash test results
Table 2 components (parts by weight) of electret masterbatches for melt blown electrets in examples 10-15 and melt flow rate and ash test results
Table 3 Components (parts by weight) of electret masterbatches for melt blown electrets in comparative examples 1-10 and melt flow rate and ash test results
Table 4 results of melt blown electret particulate filtration efficiency testing examples 1-9
Table 5 examples 10-15 melt blown electret particulate filtration efficiency test results
Table 6 comparative examples 1-10 melt blown electret particle filtration efficiency test results
From the comparative effects of examples 1-15, comparative examples 1-10 and tables 4, 5 and 6, it can be seen that the melt blown electret has an initial salt filtration efficiency and oil filtration efficiency of no more than 99% using only the primary or secondary electret, and that the filtration efficiency is significantly attenuated after aging at high temperature. When the main electret agent, the auxiliary assistant agent and the composite light stabilizer are matched for use, the filtration efficiency of the melt-blown electret on the saliency and the oiliness is more than 99%, and the filtration efficiency after high-temperature aging is more than 95%. It can be seen from examples 2, 7 and 8 that the aging resistance of the melt-blown electret can be improved only when UV-1577 and UV-150 are used together in the composite light stabilization, and that the salt and oily particle filtration efficiency after high-temperature aging can not be ensured to be more than 95% by using only one of them, and that the salt and oily particle filtration efficiency after high-temperature aging can not be ensured to be more than 95% by using the main, auxiliary or light stabilizers in amounts outside the range of the present invention as seen from examples 2,5, 6, 9 and 10.
It will be appreciated that the above detailed description of the invention is provided for illustration only and not for limitation of the technical solutions described in the embodiments of the invention, and it should be understood by those skilled in the art that the invention may be modified or substituted for the same technical effects; as long as the use requirement is met, the invention is within the protection scope of the invention.
It should also be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
Claims (8)
1. The electret master batch for the melt-blown electret is characterized by comprising the following components in parts by weight:
73.5 to 91.4 parts of polypropylene;
5-15 parts of main electret agent;
1-5 parts of auxiliary electret agent;
0.5 to 1 part of composite light stabilizer;
0.1 to 0.5 part of antioxidant;
1-2 parts of compatilizer;
1-3 parts of lubricant;
the main pole agent is one or more of polytetrafluoroethylene, polyvinylidene fluoride and vinylidene fluoride/trifluoroethylene copolymer;
the auxiliary electrode agent is one or more of sodium hydrogen phosphate 4- (1, 1-dimethyl ethyl) phenol, (1, 3-2, 4) -bis (3, 4-dimethyl dibenzylidene) sorbitol and 4-nitro-n-phenyl phthalimide;
the compound light stabilizer is a compound triazine light stabilizer and is formed by compounding 2- (4, 6-diphenyl-1, 3, 5-triazine-2-yl) -5-hexyloxy-phenol (UV-1577) and ethylhexyl triazone (UV-150) according to a mass ratio of 1:1.
2. The electret master batch for a meltblown electret of claim 1, wherein the antioxidant is one or more of pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanurate, dilauryl thiodipropionate, dioctadecyl thiodipropionate, phenyl tris (2, 4-di-tert-butyl) phosphite, bis (2, 6-di-tert-butyl-4-methylphenyl) pentaerythritol diphosphate, 10- (2, 5-dihydroxyphenyl) -10H-9-oxa-10-phosphaphenanthrene-10-oxide.
3. The electret master batch for a meltblown electret of claim 1, wherein the compatibilizer is maleic anhydride grafted polypropylene with a grafting ratio of 0.7-1.1%.
4. The electret master batch for a meltblown electret of claim 1, wherein the lubricant is one or more of magnesium stearate, calcium stearate, aluminum stearate, oleamide and erucamide.
5. The electret master batch for a meltblown electret of claim 1, wherein the polypropylene is a homo-polypropylene.
6. The electret master batch for melt-blown electret of claim 5, wherein the homo-polypropylene melt fingers are 1000-2000g/10min under 230 ℃/2.16kg test conditions, ash content is less than or equal to 0.3% and DTBP residual amount is less than or equal to 5mg/kg.
7. A method for preparing a electret master batch for a melt-blown electret, which is mainly used for preparing the electret master batch for the melt-blown electret according to any one of claims 1 to 6, and is characterized by comprising the following preparation steps:
(1) The method comprises the steps of weighing polypropylene, a main electret agent, an auxiliary electret agent, a composite light stabilizer, an antioxidant, a compatilizer and a lubricant according to the formula amount of claim 1, adding the polypropylene, the main electret agent, the auxiliary electret agent, the composite light stabilizer, the antioxidant, the compatilizer and the lubricant into a high-speed mixer, and uniformly mixing the materials, wherein the rotating speed of the high-speed mixer is 500-1000 rpm, and the mixing time is 5-10 min;
(2) And (3) putting the materials uniformly mixed in the step (1) into a double-screw extruder with the temperature of each area of the screw being 160-200 ℃, and obtaining the electret master batch for the melt-blown electret through melt extrusion, cooling granulation and drying.
8. A method for preparing a melt-blown electret, which is characterized by comprising the following preparation steps: mixing the electret master batch for melt-blown electret according to any one of claims 1 to 6 with polypropylene according to a ratio of 1:9, mixing in proportion, then spraying on a melt-spraying device, cooling and rolling, and carrying out electret treatment by adopting a water electret method to obtain the melt-spraying electret.
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