CN110066451A - A kind of plastic film anti-droplet master batch and preparation method thereof - Google Patents
A kind of plastic film anti-droplet master batch and preparation method thereof Download PDFInfo
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- CN110066451A CN110066451A CN201910320707.3A CN201910320707A CN110066451A CN 110066451 A CN110066451 A CN 110066451A CN 201910320707 A CN201910320707 A CN 201910320707A CN 110066451 A CN110066451 A CN 110066451A
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- parts
- droplet
- master batch
- plastic film
- polyethylene
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- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 59
- 239000002985 plastic film Substances 0.000 title claims abstract description 27
- 229920006255 plastic film Polymers 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 73
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 34
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 34
- 239000004611 light stabiliser Substances 0.000 claims abstract description 32
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 31
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 30
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 22
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims abstract description 21
- 239000007822 coupling agent Substances 0.000 claims abstract description 21
- 229940016286 microcrystalline cellulose Drugs 0.000 claims abstract description 21
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims abstract description 21
- 239000008108 microcrystalline cellulose Substances 0.000 claims abstract description 21
- 239000002270 dispersing agent Substances 0.000 claims abstract description 15
- 239000003607 modifier Substances 0.000 claims abstract description 14
- 235000006708 antioxidants Nutrition 0.000 claims description 29
- -1 polyethylene Polymers 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 24
- 229920000573 polyethylene Polymers 0.000 claims description 19
- 239000004698 Polyethylene Substances 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 18
- 238000001125 extrusion Methods 0.000 claims description 12
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 12
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 11
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000005469 granulation Methods 0.000 claims description 10
- 230000003179 granulation Effects 0.000 claims description 10
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 9
- 238000010348 incorporation Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 235000011180 diphosphates Nutrition 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 5
- 229920001690 polydopamine Polymers 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 3
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 239000006057 Non-nutritive feed additive Substances 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 abstract description 5
- 150000003384 small molecules Chemical class 0.000 abstract description 4
- 239000000654 additive Substances 0.000 abstract description 3
- 230000032683 aging Effects 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 45
- 235000010215 titanium dioxide Nutrition 0.000 description 25
- 238000000034 method Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 8
- 229940048084 pyrophosphate Drugs 0.000 description 7
- 239000013068 control sample Substances 0.000 description 6
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000012752 auxiliary agent Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 230000002195 synergetic effect Effects 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 229920006243 acrylic copolymer Polymers 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 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 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 229940005657 pyrophosphoric acid Drugs 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000600 sorbitol Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- DCXXMTOCNZCJGO-UHFFFAOYSA-N tristearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 description 2
- 230000010148 water-pollination Effects 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229920001213 Polysorbate 20 Polymers 0.000 description 1
- LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical compound [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 description 1
- 229910003077 Ti−O Inorganic materials 0.000 description 1
- LWZFANDGMFTDAV-BURFUSLBSA-N [(2r)-2-[(2r,3r,4s)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O LWZFANDGMFTDAV-BURFUSLBSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000003026 anti-oxygenic effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical class [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 231100000225 lethality Toxicity 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- KWUZCAVKPCRJPO-UHFFFAOYSA-N n-ethyl-4-(6-methyl-1,3-benzothiazol-2-yl)aniline Chemical compound C1=CC(NCC)=CC=C1C1=NC2=CC=C(C)C=C2S1 KWUZCAVKPCRJPO-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004597 plastic additive Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 235000011067 sorbitan monolaureate Nutrition 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 description 1
- 238000004383 yellowing 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
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—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
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
-
- 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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/02—Cellulose; Modified cellulose
- C08J2401/04—Oxycellulose; Hydrocellulose
-
- 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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
-
- 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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
-
- 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
- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
- C08J2479/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
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- 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
- C08K5/13—Phenols; Phenolates
- C08K5/132—Phenols containing keto groups, e.g. benzophenones
-
- 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
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a kind of plastic film anti-droplet master batches and preparation method thereof, belong to the technical field of plastic processing additives.The present invention comprises the following components in parts by weight: 50-100 parts of low density polyethylene (LDPE), 2-10 parts of titanium dioxide, 3-20 parts of graphene oxide, 2-20 parts of microcrystalline cellulose, 1-3 parts of coupling agent, 2-40 parts of interface modifier, 0.4-12 parts of antioxidant, 4-12 parts of light stabilizer, 2-6 parts of dispersing agent, and the present invention gives the preparation method of above-mentioned anti-droplet master batch.The present invention adds titanium dioxide, graphene oxide, microcrystalline cellulose and processing aid in low density polyethylene (LDPE) and anti-droplet master batch is made, and does not contain the antifogging agent of small molecule, the phenomenon that moving out there is no antifogging agent, anti-droplet effect is good, and anti-droplet timeliness is long；It is full-featured, also have the characteristics that hydrophilic, ageing-resistant and weatherability, long service life sufficiently meet the needs of agricultural canopy film while anti-droplet.
Description
Technical field
The invention belongs to the technical field of plastic processing additives, particularly relate to a kind of anti-droplet master batch of plastic film and its
Preparation method.
Background technique
Master batch (English name Masterbatches), full name plastic master batch, alias masterbatch are development the 1980s
A kind of plastic processing additives to get up, it is made of the chemical assistant, vector resin and dispersing agent etc. of excess.Master batch refers to
It is for operational convenience, required various auxiliary agents, filler and a small amount of vector resin is first during plastics forming
Mixed milling is carried out, by particulate material made from the process such as the metering of the equipment such as extruder, mixing, melting, extrusion, pelletizing.
The raw material of production agricultural canopy film is mainly polyethylene, and canopy film mostly uses in the winter of northern China, spring.Because of weather
Cold, greenhouse internal and external temperature, humidity difference are all larger, cause on canopy film inner wall with a large amount of droplet.The harm of droplet: make light
Line reflects, and is greatly lowered the translucency of film；Light is refracted on crop after water droplet focuses, and crop can be burnt；
Tiny water droplet, which can gradually be assembled, to become larger, and can drop on flower, stem, leaf or the fruit of crop after reaching certain mass, keep its withered
It is rotten, reduce the yield and quality of crop；Droplet easily propagates germ when dripping, and increases the indoor humidity of canopy, is suitable in addition
Temperature create suitable environment to many diseases；Temperature of shed will be reduced as mist pearl is evaporated, and be reduced big
The heat insulation effect of canopy.Therefore, the harm for eliminating droplet is extremely urgent, and exploitation farm non-drop film has extremely important meaning.
Occur some anti-droplet master batches in the prior art, such as: Chinese patent CN103881189A was in 06 month 2014
A kind of anti-droplet master batch of polyethylene film is disclosed within 25th, the component of the anti-droplet master batch matches by weight percent are as follows: poly- second
Olefine resin 50-70%, drip agent 10-20%, antifogging agent 10-20%, stabilizer 1-3%, coupling agent 0.5-3%, dispersing agent 1-
3%, antioxidant 0.1-1%, drip agent are polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitol acid anhydride list tristearin
One of acid esters, polyoxyethylene sorbitol acid anhydride list olein, coconut acid diethanolamide；The addition of drip agent, on the one hand,
It prevents to form the transmission of misty film influence sunlight；On the other hand, it is therefore prevented that aggregation water droplet forms so-called " lens " effect
And crops of burning.But this drip agent is all some small molecules, the addition of these small molecules, which often can all exist, easily moves
Out, timeliness is short, and has a single function, is easy to appear droplet, the problems such as anti-droplet timeliness is short, service life is short, is unable to satisfy agriculture
With the needs of canopy film.
Summary of the invention
The present invention provides a kind of plastic film anti-droplet master batch and preparation method thereof, solves polyethylene in the prior art
Film is had a single function with anti-droplet master batch and antifogging agent molecule is easily moved out and it is short with service life to cause its anti-droplet timeliness short
The problem of.
A kind of anti-droplet master batch of plastic film of the invention, is mainly realized by the following technical programs:
It comprises the following components in parts by weight: 50-100 parts of low density polyethylene (LDPE), 2-10 parts of titanium dioxide, 3-20 parts of graphene oxide, micro-
2-20 parts of crystalline cellulose, 2-40 parts of interface modifier, 0.4-12 parts of antioxidant, 4-12 parts of light stabilizer, is divided 1-3 parts of coupling agent
2-6 parts of powder.
The present invention adds titanium dioxide, graphene oxide, microcrystalline cellulose, coupling agent, interface in low density polyethylene (LDPE)
Anti- droplet master batch is made in the processing aids such as modifying agent, antioxidant, light stabilizer and dispersing agent, on the one hand, titanium dioxide has super
High hydrophilicity, under illumination condition, TiO2The Superhydrophilic on surface due to its surface texture variation, in ultraviolet lighting
It penetrates down, TiO2Valence-band electrons are excited to conduction band, and electrons and holes are to TiO2Surface migration, in Surface Creation electron hole pair, electricity
Son is reacted with Ti, and hole is then reacted with surface bridge oxonium ion, and the titanium ion and Lacking oxygen of positive trivalent are respectively formed；At this point, air
In water decomposition be adsorbed in Lacking oxygen, become chemical absorbed water (surface hydroxyl), chemical absorbed water can further adsorb air
In moisture, formed physics adsorption layer；On the other hand, titanium dioxide has function of shielding ultraviolet radiation, the Qiang Kangzi of titanium dioxide
Outside line ability is since it is with high refractivity and high photolytic activity；Furthermore titanium dioxide has surface-active, titanium dioxide surface
Contain a large amount of hydroxyl, TiO2Middle Ti-O bond polarity is larger, and the water of adsorption is dissociated because polarizing, hydroxyl easy to form
Base, this surface hydroxyl form hydrogen bond in anti-droplet master batch, and can in graphene oxide carboxyl, in interface modifier
Carboxyl condensation, play effective connection of inorganic matter and organic matter, realize the good dispersion and stability of master batch, and can
Improve the mechanical property of thin-film material.The tensile strength and tearing strength of anti-droplet master batch can be improved in the presence of graphene oxide
Deng a large amount of carboxyl, hydroxyl isoreactivity group are contained in surface, can be compound through combinations such as pi-pi bond, hydrogen bonds with other particles
Together, the effective of inorganic matter and organic matter can also be played with the condensation of active group in titanium dioxide, interface modifier
Connection, realizes the good dispersion and stability of master batch, and the mechanical property of thin-film material can be improved.Microcrystalline cellulose is main
Ingredient is the straight chain formula polysaccharose substance combined with β-Isosorbide-5-Nitrae-glucoside bond, and the degree of polymerization is about 3000-10000 grape sugar
Son, there are hydrogen bond between microcrystalline cellulose molecule, hydrogen bond association when compression, therefore the compressibility with height；Can also with it is other
The component of hydroxyl forms hydrogen bond, increases intermolecular active force, improves the performance of anti-droplet master batch.Anti- droplet of the invention
The antifogging agent of small molecule is not contained in master batch, the phenomenon that moving out there is no antifogging agent, anti-droplet effect is good, anti-droplet timeliness
It is long；It is full-featured, also have the characteristics that hydrophilic, ageing-resistant and weatherability, long service life sufficiently meet while anti-droplet
The needs of agricultural canopy film.
Embodiment as one preferred, the interface modifier are polyethylene-polyethylene oxide copolymer, poly- second
Any one or a few in alkene-acrylic copolymer, poly-dopamine.The present invention is using polyethylene-polyethylene glycol oxide copolymerization
The mixture of object and polyethylene-polypropylene acid copolymer prepares film material as interface modifier, being blended with polythene material
When material, polar compound is preferentially ostracised in the outer layer on master batch surface, so that greenhouse film outer layer be made to show highly polar, Qiang Ji
Property, refer to strong hydrophily, keeps film super hydrophilic；In the case where there is fog, can before forming water droplet, will at once along
Film flows down, and not will form droplet, and " lens " effect will not be generated to plant, not will cause damage.
Embodiment as one preferred, the antioxidant include antioxidant 1010 0.1-4 parts by weight and antioxidant
DLTP 0.3-8 parts by weight.There are many kinds of antioxidant, and the present invention selects antioxidant 1010 and anti-oxidant DLTP to form compound antioxygen
Agent, this composite antioxidant combine the performance of two antioxidant, make its antioxygenic property more preferably, using effect is more preferable；Antioxygen
1010 chemical name of agent are as follows: four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters are that a kind of hindered phenol is anti-
Oxygen agent, it is not easy to migrate, there is brilliant antioxidant effect to polyethylene, and with anti-oxidant DLTP and with synergistic effect；It is anti-
Oxygen agent DLTP chemical name are as follows: the double lauryls of thio-2 acid, are auxiliary antioxidant；The two is simultaneously anti-well with having to masterbatch
Oxidation effectiveness.
Embodiment as one preferred, the light stabilizer be light stabilizer UV531 and light stabilizer UV326 according to
Mass ratio is the mixture of 1:1 composition.UV-531 chemical name are as follows: 2-hydroxy-4-n-octoxybenzophenone is a kind of performance
Brilliant efficient anti-aging auxiliary agent, there is very big protective effect to polyethylene, helps to reduce color, while delaying yellowing and resistance
Stagnant loss of physical properties；Ultraviolet absorbent uv-326 is benzotriazole, its advantage is that performance is stable, toxicity is low, ultraviolet
Line absorption ability is strong.Present invention preferably employs the composite light stabilizers that light stabilizer UV531 and light stabilizer UV326 is formed, will
Two big type UV resistant agents are used in combination, and have good uvioresistant synergistic effect, it is steady that this composite light stabilizer combines light
The performance for determining agent UV531 and light stabilizer UV326 improves the imparted energy of absorption of light stabilizer, improves by its gained
The comprehensive performance of film.
Embodiment as one preferred, the coupling agent are monoalkoxy Pyrophosphate Type Yitanate Coupling Agent.It is single
Alkoxy Pyrophosphate Type Yitanate Coupling Agent has alkoxy and ester group Liang Ge functional group, and monoalkoxy can be with titanium dioxide
The hydroxyl on the filling system surface of titanium and graphene oxide composition reacts coupling, and pyrophosphoric acid ester group can also be decomposed to form phosphate
Base increases the antifogging property of anti-droplet master batch in conjunction with a part of water；Monoalkoxy pyrophosphoric acid ester type coupling agent is particularly suitable for
In the higher system of water capacity, in these systems, except monoalkoxy reacts with the hydroxyl on filler surface outer, the coke that form coupling
It is phosphate-based to be decomposed to form phosphate-based, in conjunction with a part of water, product membrane material surface layer is made to be easier to show strong parent
It is aqueous.
Embodiment as one preferred, the dispersing agent are polyethylene wax.Polyethylene wax have excellent cold resistance,
Heat resistance, chemical resistance and wearability are added in polyolefin processing, can increase the gloss and processing performance of film, provide
It is also polyethylene that lattice, which demonstrate,prove dispersing agent itself, has good compatibility with greenhouse film material polyethylene.
Embodiment as one preferred, the titanium dioxide are rutile titanium dioxide.Rutile-type titanium dioxide
The fusing point of titanium is 1850 DEG C, and the boiling point of rutile titanium dioxide is 3200 ± 300 DEG C, and rutile-type is at high energy (shorter wavelength)
It is big compared with anatase titanium dioxide to absorb radiation energy, in other words, for rutile type titanium white, in the UV- wavelength period with very strong lethality
Interior (350-400nm), it will be well below anatase thpe white powder to the reflectivity of ultraviolet light, and in this case, it is to surrounding
Film forming matter, resin etc. with the ultraviolet light to be shared will much less, then the service life of these organic matters is just grown.
Embodiment as one preferred, the low density polyethylene (LDPE) are linear low density polyethylene, described linear low
The melt flow rate (MFR) of density polyethylene is 2-3g/10min.Linear low density polyethylene has superior tensile strength, anti-tear
Resistance to spalling, environmental stress crack resistance, lower temperature resistance, heat resistance and paracentesis resistance can be significant when being used to prepare greenhouse film
Improve the comprehensive performance of greenhouse film material；Linear low density polyethylene melt flow rate (MFR) is that 2-3g/10min is powder, non-
The processing technologys such as mixing, ingredient are often appropriate for, ingredient is convenient, good mixing effect；Most of agricultural film all uses linear low close
Degree polyethylene is basis material, therefore has good compatibility using linear low density polyethylene and major ingredient in the present invention, and
And similar performance.
A kind of preparation method of the anti-droplet master batch of plastic film of the invention mainly adds by the following technical programs
With realization: the following steps are included: 1) take low density polyethylene (LDPE), titanium dioxide, graphene oxide, microcrystalline cellulose, coupling agent,
Interface modifier, antioxidant, light stabilizer and dispersing agent are uniformly mixed, and mixing temperature is 90-100 DEG C, incorporation time 5-
10min obtains mixture；2) mixture obtained by step 1) is added twin-screw extrude, by melting, extrusion, granulation, is obtained anti-
Droplet master batch.
The present invention is by low density polyethylene (LDPE), titanium dioxide, graphene oxide, microcrystalline cellulose, coupling agent, interface modification
After agent, antioxidant, light stabilizer and dispersant, obtained antifog using double screw extruder by melting, extrusion, granulation
Drip master batch；When manufacturing plastic film, it is no longer necessary to various plastic additives be added, the anti-droplet masterbatch need to only be added.This
The preparation method of invention is simple, and process flow is short, facilitates control, is easy to implement production automation, improves labor productivity, again
Environmental pollution is avoided, the health and cleaning for being conducive to worker are carried out production strictly in line with rules and regulations；Anti- droplet master batch of the invention adds in greenhouse film
The phenomenon that during work, using simplicity, dosage precise control is uniformly mixed, reduces dust from flying.
Embodiment as one preferred, in the step 1), mixing is completed in high-speed mixer, and high speed is mixed
The mixing velocity of conjunction machine is 800-1500r/min.Double screw extruder of the invention is six areas, and the extrusion temperature in the area 1-6 is equal
It is 180-190 DEG C, the particle size of the resulting anti-droplet master batch of the present invention is 0.1-3mm.
Compared with prior art, the beneficial effects of the present invention are: the present invention added in low density polyethylene (LDPE) titanium dioxide,
Anti- droplet master batch is made in graphene oxide, microcrystalline cellulose and processing aid, and titanium dioxide has good hydrophilicity, by it
Resulting greenhouse film not will form droplet, and will not drop onto keeps its hardship rotten on flower, stem, leaf or the fruit of crop, meanwhile, no
The translucency for influencing greenhouse film, will not propagate germ, not influence the heat insulation effect of greenhouse, reach good anti-droplet
Effect；Titanium dioxide and graphene oxide, microcrystalline cellulose and processing aid pass through strong chemical bonds, combination
It by force, is not in the phenomenon that decomposing and move out in the use process of greenhouse film, anti-droplet timeliness is long；Meanwhile in oxidation stone
Under the synergistic effect of black alkene, microcrystalline cellulose and other auxiliary agents, the dispersibility, stability and mechanical property of greenhouse film are improved
Can, the service life of greenhouse film is increased, it is full-featured, sufficiently meet the needs of agricultural canopy film.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with specific embodiments of the present invention, is shown
So, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
A kind of anti-droplet master batch of plastic film of the invention, comprises the following components in parts by weight: low density polyethylene (LDPE) 50-
100 parts, 2-10 parts of titanium dioxide, 3-20 parts of graphene oxide, 2-20 parts of microcrystalline cellulose, 1-3 parts of coupling agent, interface modifier
2-40 parts, 0.4-12 parts of antioxidant, 4-12 parts of light stabilizer, 2-6 parts of dispersing agent.
Preferably, the interface modifier be polyethylene-polyethylene oxide copolymer, polyethylene-polypropylene acid copolymer,
Any one or a few in poly-dopamine.
Further, the antioxidant includes antioxidant 1010 0.1-4 parts by weight and anti-oxidant DLTP 0.3-8 weight
Part.
Specifically, the light stabilizer be light stabilizer UV531 and light stabilizer UV326 according to mass ratio be 1:1 form
Mixture.
More preferably, the coupling agent is monoalkoxy Pyrophosphate Type Yitanate Coupling Agent.
Still further, the dispersing agent is polyethylene wax.
Again specifically, the titanium dioxide is rutile titanium dioxide.
It is highly preferred that the low density polyethylene (LDPE) is linear low density polyethylene, the melt flow of the low density polyethylene (LDPE)
Dynamic rate is 2-3g/10min.
A kind of preparation method of the anti-droplet master batch of plastic film of the invention, comprising the following steps:
1) it takes low density polyethylene (LDPE), titanium dioxide, graphene oxide, microcrystalline cellulose, coupling agent, interface modifier, resist
Oxygen agent, light stabilizer and dispersing agent are uniformly mixed, and mixing temperature is 90-100 DEG C, and incorporation time 5-10min obtains mixture；
2) mixture obtained by step 1) is added twin-screw extrude, by melting, extrusion, granulation, it is female obtains anti-droplet
Grain.
Preferably, in the step 1), mixing is completed in high-speed mixer, and the mixing velocity of high-speed mixer is
800-1500r/min。
Embodiment one
A kind of preparation method of the anti-droplet master batch of plastic film of the invention, comprising the following steps:
1) take 100 parts of linear low density polyethylene, 10 parts of titanium dioxide, 20 parts of graphene oxide, 5 parts of microcrystalline cellulose,
2 parts of monoalkoxy Pyrophosphate Type Yitanate Coupling Agent, 10 parts of polyethylene-polyethylene oxide copolymer, polyethylene-polypropylene acid
20 parts of copolymer, 3 parts of poly-dopamine, 2 parts of antioxidant 1010,2 parts of anti-oxidant DLTP, 2 parts of light stabilizer UV531, light are stablized
It 2 parts and 3 parts of polyethylene wax of agent UV326, is uniformly mixed, mixing temperature is 90 DEG C, and incorporation time 10min obtains mixture；
2) mixture obtained by step 1) is added twin-screw extrude, by melting, extrusion, granulation, it is female obtains anti-droplet
Grain.
Embodiment two
A kind of preparation method of the anti-droplet master batch of plastic film of the invention, comprising the following steps:
1) take 100 parts of linear low density polyethylene, 10 parts of rutile titanium dioxide, 20 parts of graphene oxide, crystallite fine
Tie up plain 7 parts, 2 parts of monoalkoxy Pyrophosphate Type Yitanate Coupling Agent, 15 parts of polyethylene-polyethylene oxide copolymer, polyethylene-
20 parts of acrylic copolymer, 4 parts of poly-dopamine, 3 parts of antioxidant 1010,4 parts of anti-oxidant DLTP, light stabilizer UV531 4
Part, 5 parts of light stabilizer UV326 and 4 parts of polyethylene wax are uniformly mixed, and mixing temperature is 100 DEG C, and incorporation time 5min is obtained
Mixture；
2) mixture obtained by step 1) is added twin-screw extrude, by melting, extrusion, granulation, it is female obtains anti-droplet
Grain.
Embodiment three
A kind of preparation method of the anti-droplet master batch of plastic film of the invention, comprising the following steps:
1) 50 parts of linear low density polyethylene, 2 parts of rutile titanium dioxide, 3 parts of graphene oxide, microcrystalline cellulose are taken
2 parts, 1 part of monoalkoxy Pyrophosphate Type Yitanate Coupling Agent, 1 part of polyethylene-polyethylene oxide copolymer, polyethylene-poly- third
Olefin(e) acid copolymer 1 part, 0.1 part of antioxidant 1010,0.3 part of anti-oxidant DLTP, 2 parts of light stabilizer UV531, light stabilizer
It 5 parts and 2 parts of polyethylene wax of UV326, is uniformly mixed, mixing temperature is 95 DEG C, and incorporation time 8min obtains mixture；
2) mixture obtained by step 1) is added twin-screw extrude, by melting, extrusion, granulation, it is female obtains anti-droplet
Grain.
Example IV
A kind of preparation method of the anti-droplet master batch of plastic film of the invention, comprising the following steps:
1) 80 parts of linear low density polyethylene, 5 parts of rutile titanium dioxide, 10 parts of graphene oxide, microcrystalline cellulose are taken
Plain 20 parts, 3 parts of monoalkoxy Pyrophosphate Type Yitanate Coupling Agent, 20 parts of polyethylene-polyethylene oxide copolymer, polyethylene-
20 parts of acrylic copolymer, 4 parts of antioxidant 1010,8 parts of anti-oxidant DLTP, 6 parts of light stabilizer UV531, light stabilizer
It 6 parts and 6 parts of polyethylene wax of UV326, is uniformly mixed, mixing temperature is 95 DEG C, and incorporation time 8min obtains mixture；
2) mixture obtained by step 1) is added twin-screw extrude, by melting, extrusion, granulation, it is female obtains anti-droplet
Grain.
Embodiment five
A kind of preparation method of the anti-droplet master batch of plastic film of the invention, comprising the following steps:
1) 80 parts of linear low density polyethylene, 6 parts of titanium dioxide, 8 parts of graphene oxide, 15 parts of microcrystalline cellulose, idol are taken
2 parts of agent of connection, 30 parts of interface modifier, 3 parts of antioxidant, 10 parts of light stabilizer and 3 parts of dispersing agent, are uniformly mixed, mixing temperature is
95 DEG C, incorporation time 8min obtains mixture；
2) mixture obtained by step 1) is added twin-screw extrude, by melting, extrusion, granulation, it is female obtains anti-droplet
Grain.
Comparative example one
A kind of preparation method of the anti-droplet master batch of plastic film, comprising the following steps:
1) 10 parts of the double stearates of 100 parts of linear low density polyethylene, 10 parts of span 20, sorbierite and polyethylene wax 2 are taken
Part, it is uniformly mixed, mixing temperature is 95 DEG C, and incorporation time 8min obtains mixture；
2) mixture obtained by step 1) is added twin-screw extrude, by melting, extrusion, granulation, it is female obtains anti-droplet
Grain, i.e. control sample.
By the embodiment of the present invention one to one gained of the five gained anti-droplet master batch of five parts of plastic films of embodiment and comparative example
A anti-droplet master batch is tested for the property experiment, including tensile break strength, elongation at break, contact angle and hydrophilic longevity respectively
Life, wherein tensile break strength is carried out according to method as defined in ASTM D 412-16, and elongation at break is according to ASTM D 412-
Method as defined in 16 carries out, and contact angle is carried out according to method as defined in ASTM D 5725-1999 (R2008), and the hydrophilic service life uses
The homemade method in laboratory, i.e. contact angle are greater than 35 degree, are considered hydrophile function forfeiture, and time of the contact angle less than 15 degree is long
Degree, it is considered to be hydrophilic service life, experimental results are as shown in table 1.
As can be seen from Table 1, the anti-resulting greenhouse film of droplet master batch of greenhouse film of method of the invention preparation
Between 19.7-21.8MPa, this is significantly improved tensile strength compared with control sample；The greenhouse film of method preparation of the invention
Elongation at break with the anti-resulting greenhouse film of droplet master batch is 489-599%, this decreases compared with control sample, functions
The addition of property filler reduces material plasticity；The greenhouse film of method preparation of the invention is thin with the anti-resulting greenhouse of droplet master batch
The contact angle of film is 5.0-11.5, this is substantially reduced compared with control sample, illustrates that its hydrophily is very excellent；Method preparation of the invention
Greenhouse film with the hydrophilic service life of the anti-resulting greenhouse film of droplet master batch be 13-16 months, this has significantly compared with control sample
Raising, illustrate its anti-droplet failure length.Therefore, the anti-droplet effect of the resulting master batch of method of the invention is good, anti-droplet timeliness
It is long, it is full-featured, the stability and mechanical property of greenhouse film are improved, long service life sufficiently meets the need of agricultural canopy film
It wants.
The performance test results of the different films of table 1
| Master batch title | Tensile break strength (MPa) | Elongation at break (%) | Contact angle | The hydrophilic service life |
| Embodiment one | 20.4 | 507 | 6.7 | 14 months |
| Embodiment two | 21.8 | 489 | 5.0 | 16 months |
| Embodiment three | 19.7 | 599 | 11.5 | 13 months |
| Example IV | 21.2 | 510 | 5.8 | 15 months |
| Embodiment five | 21.0 | 523 | 6.8 | 14 months |
| Control sample | 17.3 | 530 | 12.2 | 4 months |
Compared with prior art, the beneficial effects of the present invention are: the present invention added in low density polyethylene (LDPE) titanium dioxide,
Anti- droplet master batch is made in graphene oxide, microcrystalline cellulose and processing aid, and titanium dioxide has good hydrophilicity, by it
Resulting greenhouse film not will form droplet, and will not drop onto keeps its hardship rotten on flower, stem, leaf or the fruit of crop, meanwhile, no
The translucency for influencing greenhouse film, will not propagate germ, not influence the heat insulation effect of greenhouse, reach good anti-droplet
Effect；Titanium dioxide and graphene oxide, microcrystalline cellulose and processing aid pass through strong chemical bonds, combination
It by force, is not in the phenomenon that decomposing and move out in the use process of greenhouse film, anti-droplet timeliness is long；Meanwhile in oxidation stone
Under the synergistic effect of black alkene, microcrystalline cellulose and other auxiliary agents, the dispersibility, stability and mechanical property of greenhouse film are improved
Can, the service life of greenhouse film is increased, it is full-featured, sufficiently meet the needs of agricultural canopy film.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of anti-droplet master batch of plastic film, it is characterised in that: comprise the following components in parts by weight:
50-100 parts of low density polyethylene (LDPE), 2-10 parts of titanium dioxide, 3-20 parts of graphene oxide, 2-20 parts of microcrystalline cellulose, idol
Join agent 1-3 parts, 2-40 parts of interface modifier, 0.4-12 parts of antioxidant, 4-12 parts of light stabilizer, 2-6 parts of dispersing agent.
2. the anti-droplet master batch of plastic film according to claim 1, it is characterised in that:
The interface modifier is polyethylene-polyethylene oxide copolymer, in polyethylene-polypropylene acid copolymer, poly-dopamine
Any one or a few.
3. the anti-droplet master batch of plastic film according to claim 1, it is characterised in that:
The antioxidant includes antioxidant 1010 0.1-4 parts by weight and anti-oxidant DLTP 0.3-8 parts by weight.
4. the anti-droplet master batch of plastic film according to claim 1, it is characterised in that:
The light stabilizer is light stabilizer UV531 and light stabilizer UV326 is according to the mixture that mass ratio is that 1:1 is formed.
5. the anti-droplet master batch of plastic film according to claim 1, it is characterised in that:
The coupling agent is monoalkoxy Pyrophosphate Type Yitanate Coupling Agent.
6. the anti-droplet master batch of plastic film according to claim 1, it is characterised in that:
The dispersing agent is polyethylene wax.
7. the anti-droplet master batch of plastic film according to claim 1, it is characterised in that:
The titanium dioxide is rutile titanium dioxide.
8. the anti-droplet master batch of plastic film according to claim 1, it is characterised in that:
The low density polyethylene (LDPE) is linear low density polyethylene, and the melt flow rate (MFR) of the low density polyethylene (LDPE) is 2-3g/
10min。
9. the preparation method of the anti-droplet master batch of plastic film described in any one of -8, feature exist according to claim 1
In: the following steps are included:
1) take low density polyethylene (LDPE), titanium dioxide, graphene oxide, microcrystalline cellulose, coupling agent, interface modifier, antioxidant,
Light stabilizer and dispersing agent are uniformly mixed, and mixing temperature is 90-100 DEG C, and incorporation time 5-10min obtains mixture；
2) mixture obtained by step 1) is added twin-screw extrude, by melting, extrusion, granulation, obtains anti-droplet master batch.
10. the plastic film according to claim 9 preparation method of anti-droplet master batch, it is characterised in that:
In the step 1), mixing is completed in high-speed mixer, and the mixing velocity of high-speed mixer is 800-1500r/
min。
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