CN114702746B - Polyolefin film open smooth master batch and preparation method thereof - Google Patents
Polyolefin film open smooth master batch and preparation method thereof Download PDFInfo
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- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 45
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title abstract description 36
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 66
- -1 polysiloxane Polymers 0.000 claims abstract description 35
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 33
- 150000001335 aliphatic alkanes Chemical class 0.000 claims abstract description 12
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 11
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 9
- 229920005672 polyolefin resin Polymers 0.000 claims abstract description 9
- 229920002554 vinyl polymer Polymers 0.000 claims description 23
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 8
- 239000012964 benzotriazole Substances 0.000 claims description 8
- 239000006229 carbon black Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 125000003545 alkoxy group Chemical group 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 claims description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 239000011325 microbead Substances 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- NRLOQEQAWOKEJF-UHFFFAOYSA-N (6-methyl-1,1-diphenylheptyl) dihydrogen phosphite Chemical compound C=1C=CC=CC=1C(OP(O)O)(CCCCC(C)C)C1=CC=CC=C1 NRLOQEQAWOKEJF-UHFFFAOYSA-N 0.000 claims description 2
- ZRMMVODKVLXCBB-UHFFFAOYSA-N 1-n-cyclohexyl-4-n-phenylbenzene-1,4-diamine Chemical compound C1CCCCC1NC(C=C1)=CC=C1NC1=CC=CC=C1 ZRMMVODKVLXCBB-UHFFFAOYSA-N 0.000 claims description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims description 2
- 239000003242 anti bacterial agent Substances 0.000 claims description 2
- 239000002216 antistatic agent Substances 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- XTTGYFREQJCEML-UHFFFAOYSA-N tributyl phosphite Chemical compound CCCCOP(OCCCC)OCCCC XTTGYFREQJCEML-UHFFFAOYSA-N 0.000 claims description 2
- 239000005909 Kieselgur Substances 0.000 claims 1
- 239000006096 absorbing agent Substances 0.000 claims 1
- 125000001188 haloalkyl group Chemical group 0.000 claims 1
- 239000000454 talc Substances 0.000 claims 1
- 229910052623 talc Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 4
- 238000004873 anchoring Methods 0.000 abstract description 3
- ILRSCQWREDREME-UHFFFAOYSA-N dodecanamide Chemical compound CCCCCCCCCCCC(N)=O ILRSCQWREDREME-UHFFFAOYSA-N 0.000 description 18
- 238000006116 polymerization reaction Methods 0.000 description 16
- 239000004698 Polyethylene Substances 0.000 description 15
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N salicylic acid phenyl ester Natural products OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 description 14
- 239000012748 slip agent Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 150000001408 amides Chemical class 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 239000002985 plastic film Substances 0.000 description 5
- 229920006255 plastic film Polymers 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 4
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 description 3
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229940037312 stearamide Drugs 0.000 description 3
- 229910000503 Na-aluminosilicate Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- LUOABWGXXKLFGZ-UHFFFAOYSA-N hexacosanamide Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCC(N)=O LUOABWGXXKLFGZ-UHFFFAOYSA-N 0.000 description 2
- 239000010954 inorganic particle Substances 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010434 nepheline Substances 0.000 description 2
- 229910052664 nepheline Inorganic materials 0.000 description 2
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000429 sodium aluminium silicate Substances 0.000 description 2
- 235000012217 sodium aluminium silicate Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 1
- 150000003857 carboxamides Chemical class 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- URRRJXFWOUCKSG-UHFFFAOYSA-M ethanol;tetramethylazanium;hydroxide Chemical compound [OH-].CCO.C[N+](C)(C)C URRRJXFWOUCKSG-UHFFFAOYSA-M 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 235000011888 snacks Nutrition 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 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
- C08J3/223—Packed additives
-
- 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
- C08J2323/06—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
- C08J2423/06—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
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
- C08J2483/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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)
- Processes Of Treating Macromolecular Substances (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The application relates to the technical field of material processing, and discloses an open smooth master batch of a polyolefin film and a preparation method thereof, which are used for solving the problems of difficult opening, serious adhesion between films and rollers in film preparation. The slipping master batch comprises, by weight, 60-90 parts of polyolefin resin, 5-15 parts of slipping agent, 5-15 parts of inorganic opening agent, 0.5-4 parts of antioxidant and 0-5 parts of other auxiliary agents. The smooth master batch is applied to polyolefin films, can fully exert the smooth effect of polysiloxane, and can effectively solve the problems of difficult opening, serious adhesion between films and rollers by utilizing active long-chain alkane as an anchoring chain with a main material of the films, so that the films are smooth and are not separated out, and the transparency of the films is not affected.
Description
Technical Field
The application relates to the technical field of material processing, in particular to an open smooth master batch of a polyolefin film and a preparation method thereof.
Background
With the development of economy and the upgrading and adjustment of industrial structures, market demands of various industries on plastic films are continuously rising. Plastic packages and plastic packaging products have a larger and larger share in the market, and in particular, composite plastic flexible packages have been widely applied to the fields of food, medicine, chemical industry and the like, wherein the plastic packages and the plastic packaging products have the largest proportion, such as beverage packages, quick-frozen food packages, steamed food packages, snack food packages and the like, and the plastic packaging products bring great convenience to life of people.
However, the plastic film is easy to adhere and difficult to open in the preparation process, so that the opening performance of the film can be effectively improved by adding the opening slipping agent in the production process of the plastic film product. Currently, conventional slip aids include amide type slip agents, ultra-high molecular weight polysiloxane slip agents, PE wax type slip agents, and fatty acid salt type slip agents. Wherein, the amide slipping agent is easy to precipitate, and a large amount of white powder remains on the roller after long-term use, thereby affecting the appearance of the film; the ultra-high molecular weight polysiloxane slipping agent can influence the transparency of the film, so that the film is whitened; PE waxes and fatty acid salts slip agents also have problems of precipitation and poor opening effect.
The patent with publication number CN105237852A discloses a novel opening master batch, which adopts one of natural potassium sodium aluminosilicate, high-purity silicon dioxide and nepheline as an opening agent, and has the problem of easy precipitation due to poor slipping effect of the natural potassium sodium aluminosilicate, the high-purity silicon dioxide and the nepheline.
As disclosed in the patent publication No. CN109181242a, a master batch of a shedding agent for plastic films is disclosed, which uses modified inorganic particles as a shedding agent, and the processability of the film is not improved by the single inorganic particles.
As disclosed in the patent publication No. CN109705443a, a silicone open slip agent master batch composition for plastic films is disclosed, which uses silicone powder as an open slip agent, and silicone powder is ultra-high molecular weight polysiloxane, which affects the transparency of the film and has poor dispersion effect.
The open smooth master batch for the solvent-free composite polyethylene film is disclosed in the publication No. CN106220951A, and oleic acid amide is adopted as a smooth agent, but the amide type open agent has great defects: after the film is manufactured, after a period of time, the slipping agent can play a slipping and anti-blocking role after migrating from the inside of the film to the surface of the film, and the slipping opening performance of the film gradually decreases along with the extension of the service time, so that amide substances migrate to the surface of a product to easily pollute the product; more importantly, in a high-temperature environment in summer, the amide can migrate too quickly and then precipitate on the surface of the film, so that the friction coefficient of the surface of the film can be increased and the opening of the film can be influenced; on the other hand, the large amount of amide deposition also affects the surface energy of the film, and thus affects further processing such as printing in the later stage of the film.
Disclosure of Invention
< technical problem to be solved by the application >
The application is used for solving the problems of difficult opening, serious adhesion between films and rollers in the preparation of polyolefin films.
< technical scheme adopted by the application >
Aiming at the technical problems, the application aims to provide an open smooth master batch of a polyolefin film and a preparation method thereof. The application combines polysiloxane with active long-chain alkane by adopting the slipping agent, can fully exert the slipping effect of polysiloxane, and utilizes the active long-chain alkane as an anchoring chain with a film main body material to achieve efficient slipping without precipitation and influence on the transparency of the film, thereby effectively solving the problems of difficult opening, serious adhesion between films and rollers.
The specific contents are as follows:
first, the application provides an open smooth master batch for polyolefin films, which comprises, by weight, 60-90 parts of polyolefin resin, 5-15 parts of a smooth agent, 5-15 parts of an inorganic opening agent, 0.5-4 parts of an antioxidant and 0-5 parts of other additives.
Secondly, the application provides a preparation method of the open smooth master batch for the polyolefin film, which comprises the following steps:
s1, blending polyolefin resin, a slipping agent, an inorganic opening agent, an antioxidant and other auxiliary agents to obtain a mixed material;
and S2, extruding and granulating the mixture to obtain the open smooth master batch for the film.
< beneficial effects achieved by the application >
The slipping agent provided by the application can be applied to polyolefin films, so that the processability of the films can be obviously improved, and the problem of film opening can be effectively improved under the condition that the transparency of the films is not affected; meanwhile, the film can be enriched with a layer of stable smooth film on the surface of the film, so that the film has no migration or precipitation in a high-temperature environment, and the low friction coefficient and the good opening effect of the surface of the film can be maintained for a long time.
Specifically, the slipping agent used in the present application has: (1) Used in film products, has no influence on transparency and haze; (2) The film has a low friction coefficient which is stable for a long time even at high temperature after being added; (3) The film does not precipitate or migrate after being added, and the appearance of the polyolefin film is not affected; (4) can effectively solve the problem that the film is difficult to open; (5) can effectively reduce the torque during film extrusion; and (6) the master batch is simple to prepare, environment-friendly and low in cost.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.
The application aims to provide an open smooth master batch of a polyolefin film and a preparation method thereof.
First, the application provides an open smooth master batch for polyolefin films, which comprises, by weight, 60-90 parts of polyolefin resin, 5-15 parts of a smooth agent, 5-15 parts of an inorganic opening agent, 0.5-4 parts of an antioxidant and 0-5 parts of other auxiliary agents.
Further, each component comprises 75 to 90 parts of polyolefin resin, 5 to 10 parts of slipping agent, 5 to 10 parts of inorganic opening agent, 2 to 4 parts of antioxidant and 0 to 3 parts of other auxiliary agents according to parts by weight.
Further, the structural formula of the slipping agent is one selected from the formula 1, the formula 2, the formula 3 and the formula 4;
R 1 is one of hydrogen atom, alkyl of C1-C100 and halogenated alkyl of C1-C100;
R 2 is one of hydrogen atom, amino group, alkoxy group, hydroxyl group and chlorine atom; r is R 1 、R 2 、R 3 、R 4 、R 5 、R 6 Each independently selected from at least one of hydrogen atom, methyl, phenyl, vinyl; n is an integer of 0 to 300.
The application combines polysiloxane with active long-chain alkane by adopting the slipping agent, can fully exert the slipping effect of polysiloxane, and utilizes the active long-chain alkane as an anchoring chain with a film main body material to achieve efficient slipping without precipitation and influence on the transparency of the film, thereby effectively solving the problems of difficult opening, serious adhesion between films and rollers.
Further, R 1 Is a hydrogen atom, a C1-C80 alkyl group, a C1-C80 haloalkyl group, R 2 Is one of amino, alkoxy and hydroxy, R 1 、R 2 、R 3 、R 4 、R 5 、R 6 Each independently selected from at least one of methyl, phenyl and vinyl, and n is an integer of 0 to 300.
Further, the preparation method of the slipping agent comprises the steps of reacting vinyl polysiloxane with active long-chain alkane; the structural formula of the active long-chain alkane is as follows,
R 1 is a hydrogen atom or a C1-C100 alkyl group, R 2 Is one of hydrogen atom, amino group, alkoxy group, hydroxyl group and chlorine atom.
Further, the reaction mole ratio of the vinyl polysiloxane and the active long-chain alkane is 1-2: 1 to 8.
Further, the vinyl polysiloxane is obtained by reacting active long-chain alkane at the temperature of 90-150 ℃ and the speed of 150-500 r/min.
Further, the reaction is carried out under the action of a catalyst, wherein the catalyst comprises at least one of sodium ethoxide, sodium hydride, tetramethyl ammonium hydroxide and tetrabutyl ammonium hydroxide. The catalytic reaction time is 8-20 h.
Further, the inorganic opening agent comprises at least one of white carbon black, talcum powder, diatomite, ceramic microbeads, titanium dioxide, barium sulfate, calcium carbonate, silicon micropowder and hollow glass microbeads. Further, the particle size of the inorganic opening agent is 0.5-15 μm.
Further, the antioxidant comprises at least one of isooctyl 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) acrylate, N-phenyl-alpha-naphthylamine, alkylphenothiazine, benzotriazole, mercaptobenzothiazole, 2, 6-di-tert-butyl-p-cresol, N-cyclohexyl-N' -phenyl-p-phenylenediamine, triphenyl phosphite, diphenyl-isooctyl phosphite and tributyl phosphite.
In the present application, the other auxiliary agent includes at least one of an antistatic agent, an ultraviolet absorber, and an antibacterial agent.
The anti-ultraviolet agent comprises at least one of phenyl o-hydroxybenzoate, 2', 4' -tetrahydroxybenzophenone and 2- (2, hydroxy-3-tertiary butyl-5-methylphenyl) -5-chlorbenzotriazole.
Secondly, the application provides a preparation method of an open smooth master batch for polyolefin films, which comprises the following steps:
s1, blending polyolefin resin, a slipping agent, an inorganic opening agent, an antioxidant and other auxiliary agents to obtain a mixed material;
and S2, extruding and granulating the mixture to obtain the open smooth master batch for the film.
< example >
Example 1
A preparation method of an open smooth master batch for polyolefin films comprises the following components:
PE resin: 76 parts of
Slip agent: 10 parts of
White carbon black: 10 parts of
Benzotriazole: 2 parts of
Phenyl o-hydroxybenzoate: 2 parts of
Uniformly stirring and mixing PE resin, a slipping agent 1, white carbon black, benzotriazole and phenyl o-hydroxybenzoate in a high-speed dispersing machine according to a proportion; and then extruding and granulating the mixed materials in a double-screw extruder at 180 ℃ to prepare the open smooth master batch 1 for the polyolefin film.
Wherein the slipping agent 1 has the following structure:
the preparation method of the slipping agent 1 comprises the following steps:
preparing dodecanamide and single-end vinyl polysiloxane with the polymerization degree of 20 serving as raw materials, and carrying out low-removal treatment (110 ℃, -0.085MPa and 3 h) on the raw materials to obtain a low-removal raw material;
blending all components in the low-removal raw materials according to a molar ratio of 1:1, stirring (95 ℃, 250r/min and 1.5 h), dripping tetramethylammonium hydroxide ethanol solution (the content is 20wt%) of tetramethylammonium hydroxide accounting for 5% of the mass of the raw materials (dodecanamide and vinyl polysiloxane) after the stirring, continuing stirring (95 ℃, 250 r/min) for 30min, heating to 150 ℃ after the stirring, stirring (250 r/min and 18 h), and reacting to obtain the slipping agent 1.
Example 2
The preparation composition and method of this example are the same as in example 1, and an open-mouth slipping master batch 2 for polyolefin films is obtained, wherein slipping agent 2 has the following structure:
the preparation method of the slipping agent 2 comprises the following steps:
the preparation process is identical to that of the slip agent 1, except that "single-ended vinyl polysiloxane having a degree of polymerization of 20" is replaced with "double-ended vinyl polysiloxane having a degree of polymerization of 20".
The molar ratio of dodecanamide to the double-vinyl polysiloxane having a degree of polymerization of 20 was 2:1.
Example 3
The preparation composition and method of this example are the same as in example 1, and an open-mouth slipping master batch 3 for polyolefin films is obtained, wherein the slipping agent 3 has the following structure:
the preparation method of the slipping agent 3 comprises the following steps:
the preparation method is the same as that of the slipping agent 1, and the difference is that the dodecanamide is replaced by the octadecanoamide.
The molar ratio of stearamide to the monovinylpolysiloxane having a degree of polymerization of 20 was 1:1.
Example 4
The preparation composition and method of this example are the same as in example 1, to obtain an open-mouth slipping master batch 4 for polyolefin films, wherein slipping agent 4 has the following structure:
the preparation method of the slipping agent 4 comprises the following steps:
the preparation method is the same as that of the slipping agent 1, and is characterized in that the dodecanamide is replaced by octadecanoylamide; "Mono-vinyl polysiloxane having a degree of polymerization of 20" is replaced with "double-terminal vinyl polysiloxane having a degree of polymerization of 20".
The molar ratio of stearamide to the double-end vinyl polysiloxane having a degree of polymerization of 20 was 2:1.
Example 5
The preparation composition and method of this example are the same as in example 1, and an open-mouth slipping master batch 5 for polyolefin films is obtained, wherein slipping agent 5 has the following structure:
the preparation method of the slipping agent 5 comprises the following steps:
the preparation method is the same as that of the slipping agent 1, and the difference is that the dodecanamide is replaced by the hexacosanamide.
The molar ratio of hexacosamide to monovinylpolysiloxane having a degree of polymerization of 20 was 1:1.
Example 6
The preparation composition and method of this example are the same as in example 1, to obtain an open-mouth slipping master batch 6 for polyolefin films, wherein slipping agent 6 has the following structure:
the preparation method of the slipping agent 6 comprises the following steps:
the preparation method is the same as that of the slipping agent 1, and is characterized in that the dodecanamide is replaced by hexacosanamide; "Mono-vinyl polysiloxane having a degree of polymerization of 20" is replaced with "double-terminal vinyl polysiloxane having a degree of polymerization of 20".
The molar ratio of hexacosamide to the 20-degree of polymerization double-end vinyl polysiloxane was 2:1.
Example 7
The preparation composition and method of this example are the same as in example 1, and an open-mouth slipping master batch 7 for polyolefin films is obtained, wherein the slipping agent 7 has the following structure:
the preparation method of the slipping agent 7 comprises the following steps:
the preparation method is the same as that of the slipping agent 1, and the difference is that the dodecanamide is replaced by the tetratetracarboxamide.
The molar ratio of tetracarboxamide to monovinylpolysiloxane having a degree of polymerization of 20 was 1:1.
Example 8
The preparation composition and method of this example are the same as in example 1, and an open-mouth slipping master batch 8 for polyolefin films is obtained, wherein slipping agent 8 has the following structure:
the preparation method of the slipping agent 8 comprises the following steps:
the preparation method is the same as that of the slipping agent 1, and is characterized in that the dodecanamide is replaced by forty-four carboxamide; "Mono-vinyl polysiloxane having a degree of polymerization of 20" is replaced with "double-terminal vinyl polysiloxane having a degree of polymerization of 20".
The molar ratio of stearamide to the double-end vinyl polysiloxane having a degree of polymerization of 20 was 2:1.
Comparative example
Comparative example 1
The silicone master batch is used as a slipping agent to prepare an opening slipping master batch for polyolefin films, and the master batch comprises the following components:
PE resin: 76 parts of
Silicone master batch: 10 parts of
White carbon black: 10 parts of
Benzotriazole: 2 parts of
Phenyl o-hydroxybenzoate: 2 parts of
Uniformly stirring and mixing PE resin, silicone master batch, white carbon black, benzotriazole and phenyl o-hydroxybenzoate in a high-speed dispersing machine according to a proportion; and then extruding and granulating the mixed materials in a double-screw extruder at 180 ℃ to obtain the open smooth master batch 9 for the polyolefin film.
Comparative example 2
The preparation method comprises the steps of preparing polyolefin film open smooth master batches by taking erucamide as a slipping agent, wherein the master batches comprise the following components:
PE resin: 76 parts of
Erucamide: 10 parts of
White carbon black: 10 parts of
Benzotriazole: 2 parts of
Phenyl o-hydroxybenzoate: 2 parts of
Uniformly stirring and mixing PE resin, erucamide, white carbon black, benzotriazole and phenyl o-hydroxybenzoate in a high-speed dispersing machine according to a proportion; and then extruding and granulating the mixed materials in a double-screw extruder at 180 ℃ to obtain the open smooth master batch 10 for the polyolefin film.
< test example >
The open smooth master batches 1 to 8 for polyolefin films prepared in examples 1 to 8 and the open smooth master batches 9 to 10 for polyolefin films prepared in comparative examples 1 to 2 were used as test samples for tests.
Testing of polyolefin films
1. Adding a test sample into PE resin in a mass fraction of 4%, preparing a PE film by using a small casting film machine, and recording torque change of a single screw; meanwhile, the film was tested for haze, transparency, coefficient of friction of the slider film to the film itself, and precipitation after standing at double 50 constant temperature and humidity for 7 days.
2. The test samples were applied to PE films and the test results of the films are shown in table 1.
Note that: haze and transparency data of the PE film are measured after film drawing and treatment for 24 hours in a constant temperature and humidity box with the temperature of 23 ℃ and the humidity of 50%; the friction coefficient data of the PE film is measured after the PE film is prepared and then treated in a constant temperature and humidity box with 50 ℃ and 50% humidity for 504 hours.
TABLE 1PE film extrusion torque and Performance test results
In conclusion, the slipping agent provided by the application can be applied to the film to obviously improve the processing performance of the film, and can effectively improve the problem of film opening under the condition of not affecting the transparency of the film; meanwhile, the film can be enriched with a layer of stable smooth film on the surface of the film, so that the film has no migration or precipitation in a high-temperature environment, and the low friction coefficient and the good opening effect of the surface of the film can be maintained for a long time.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (9)
1. The open smooth master batch for the polyolefin film is characterized by comprising, by weight, 60-90 parts of polyolefin resin, 5-15 parts of a smooth agent, 5-15 parts of an inorganic opening agent, 0.5-4 parts of an antioxidant and 0-5 parts of other additives;
the structural formula of the slipping agent is one selected from the formula 1, the formula 2, the formula 3 and the formula 4;
R 1 is one of hydrogen atom, alkyl of C1-C100 and halogenated alkyl of C1-C100;
R 2 is one of hydrogen atom, amino group, alkoxy group, hydroxyl group and chlorine atom; r is R 1 、R 2 、R 3 、R 4 、R 5 、R 6 Each independently selected from at least one of hydrogen atom, methyl, phenyl, vinyl; n is an integer of 0 to 300.
2. The open smooth master batch for polyolefin films according to claim 1, wherein each component comprises, by weight, 75-90 parts of polyolefin resin, 5-10 parts of a smooth agent, 5-10 parts of an inorganic opening agent, 2-4 parts of an antioxidant and 0-3 parts of an auxiliary agent.
3. The open smooth masterbatch for polyolefin film according to claim 1, wherein R 1 Is one of hydrogen atom, C1-C80 alkyl and C1-C80 haloalkyl, R 2 Is one of amino, alkoxy and hydroxy, R 1 、R 2 、R 3 、R 4 、R 5 、R 6 Each independently is excellent inAt least one selected from methyl, phenyl and vinyl, and n is an integer of 0 to 300.
4. The open-mouth slipping master batch for polyolefin films according to claim 1, wherein the slipping agent is prepared by reacting vinyl polysiloxane with active long-chain alkane; the structural formula of the active long-chain alkane is as follows,
R 1 is one of hydrogen atom, C1-C100 alkyl and C1-C100 haloalkyl, R 2 Is one of hydrogen atom, amino group, alkoxy group, hydroxyl group and chlorine atom.
5. The open smooth masterbatch for polyolefin films according to claim 4, characterized in that the molar ratio of vinyl polysiloxane to active long-chain alkane is 1-2:1-8.
6. The open-celled smooth masterbatch for polyolefin films according to any one of claims 1 to 4, wherein the inorganic opening agent comprises at least one of white carbon black, talc, diatomaceous earth, ceramic microbeads, titanium dioxide, barium sulfate, calcium carbonate, silica micropowder, and hollow glass microbeads.
7. The open-smooth masterbatch for polyolefin films according to any one of claims 1 to 4, wherein the antioxidant comprises at least one of isooctyl 3- (3, 5-di-t-butyl-4-hydroxyphenyl) acrylate, N-phenyl- α -naphthylamine, alkylphenothiazine, benzotriazole, mercaptobenzothiazole, 2, 6-di-t-butyl-p-cresol, N-cyclohexyl-N' -phenyl-p-phenylenediamine, triphenyl phosphite, diphenyl-isooctyl phosphite, tributyl phosphite.
8. The open-mouth smooth masterbatch for polyolefin films according to any one of claims 1-4, characterized in that the other auxiliary agents comprise at least one of antistatic agents, ultraviolet absorbers, antibacterial agents.
9. A process for preparing an open smooth masterbatch for polyolefin films according to any one of claims 1 to 8, characterized by comprising the steps of:
s1, blending polyolefin resin, a slipping agent, an inorganic opening agent, an antioxidant and other auxiliary agents to obtain a mixed material;
and S2, extruding and granulating the mixture to obtain the open smooth master batch for the film.
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| CN104204115A (en) * | 2012-03-28 | 2014-12-10 | 北欧化工公司 | Extrusion coated polymer layer with reduced coefficient of friction |
| CN109294225A (en) * | 2018-10-31 | 2019-02-01 | 厦门长塑实业有限公司 | A kind of two-way stretching polyamide film functional master batch and preparation method thereof |
| CN109705443A (en) * | 2018-12-19 | 2019-05-03 | 江苏乘鹰新材料股份有限公司 | Plastic film silicone opening slipping agent masterbatch composition and preparation method thereof |
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