CN116141790A - BOPP high-permeability single-sided heat-sealing film - Google Patents
BOPP high-permeability single-sided heat-sealing film Download PDFInfo
- Publication number
- CN116141790A CN116141790A CN202211571745.4A CN202211571745A CN116141790A CN 116141790 A CN116141790 A CN 116141790A CN 202211571745 A CN202211571745 A CN 202211571745A CN 116141790 A CN116141790 A CN 116141790A
- Authority
- CN
- China
- Prior art keywords
- heat
- sealing
- bopp
- raw materials
- sealing film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 58
- 229920006378 biaxially oriented polypropylene Polymers 0.000 title claims abstract description 44
- 239000011127 biaxially oriented polypropylene Substances 0.000 title claims abstract description 44
- -1 polypropylene Polymers 0.000 claims abstract description 46
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 42
- 239000010410 layer Substances 0.000 claims abstract description 42
- 239000002994 raw material Substances 0.000 claims abstract description 42
- 239000012793 heat-sealing layer Substances 0.000 claims abstract description 35
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 22
- 239000004743 Polypropylene Substances 0.000 claims abstract description 21
- 229920001155 polypropylene Polymers 0.000 claims abstract description 21
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 21
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 14
- 239000002216 antistatic agent Substances 0.000 claims abstract description 11
- 229920005629 polypropylene homopolymer Polymers 0.000 claims abstract description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 60
- 238000006243 chemical reaction Methods 0.000 claims description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 23
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 15
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 claims description 15
- 239000013067 intermediate product Substances 0.000 claims description 13
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- WUMMIJWEUDHZCL-UHFFFAOYSA-N 3-prop-2-enyloxolane-2,5-dione Chemical compound C=CCC1CC(=O)OC1=O WUMMIJWEUDHZCL-UHFFFAOYSA-N 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims description 7
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 claims description 7
- YQEMORVAKMFKLG-UHFFFAOYSA-N glycerine monostearate Natural products CCCCCCCCCCCCCCCCCC(=O)OC(CO)CO YQEMORVAKMFKLG-UHFFFAOYSA-N 0.000 claims description 5
- SVUQHVRAGMNPLW-UHFFFAOYSA-N glycerol monostearate Natural products CCCCCCCCCCCCCCCCC(=O)OCC(O)CO SVUQHVRAGMNPLW-UHFFFAOYSA-N 0.000 claims description 5
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 claims description 5
- AQFWNELGMODZGC-UHFFFAOYSA-N o-ethylhydroxylamine Chemical compound CCON AQFWNELGMODZGC-UHFFFAOYSA-N 0.000 claims description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 4
- 238000003760 magnetic stirring Methods 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N 2-propanol Substances CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 18
- 238000002834 transmittance Methods 0.000 abstract description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 4
- 230000001788 irregular Effects 0.000 abstract description 4
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000011324 bead Substances 0.000 abstract description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract description 2
- 239000011521 glass Substances 0.000 abstract description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 19
- 238000005266 casting Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 238000005096 rolling process Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 6
- 239000000806 elastomer Substances 0.000 description 6
- 239000012065 filter cake Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 description 4
- 230000005250 beta ray Effects 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000002981 blocking agent Substances 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229920000587 hyperbranched polymer Polymers 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000012798 spherical particle Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000012775 heat-sealing material Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002077 nanosphere Substances 0.000 description 1
- 235000021485 packed food Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- 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
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a BOPP high-permeability single-sided heat-sealing film, which belongs to the technical field of heat-sealing film preparation, and comprises a heat-sealing layer, an intermediate layer and a non-heat-sealing layer from top to bottom in sequence, wherein the heat-sealing layer comprises the following raw materials in percentage by weight: 2-4% of anti-sticking agent and the balance of copolymerized polypropylene; the intermediate layer comprises the following raw materials in percentage by weight: 1-3% of mixed antistatic agent, 2-3% of slipping agent and the balance of homo-polypropylene; the non-heat-sealing layer comprises the following raw materials in percentage by weight: 1-2% of anti-sticking agent and the balance of homo-polypropylene; according to the invention, nano spherical silicon dioxide is used as a base material, reactive hyperbranched polysiloxane is used for carrying out surface modification on the base material, and then the anti-sticking agent is obtained through end capping treatment, so that irregular silicon dioxide, synthetic porcelain clay, glass beads, calcium carbonate and other materials used in the traditional heat sealing film are replaced to be used as the anti-sticking agent, and the obtained heat sealing film has high light transmittance, high mechanical property and high heat sealing strength.
Description
Technical Field
The invention belongs to the technical field of heat-sealing film preparation, and particularly relates to a BOPP high-permeability single-sided heat-sealing film.
Background
BOPP films, biaxially oriented polypropylene films, are made by passing a polypropylene melt through a die to form a sheet or thick film, stretching in the machine direction, transverse direction, and cooling or heat treating or special processing (e.g., corona, coating, etc.) the film.
The BOPP heat-seal film is one of BOPP films and is mainly used for printing, composite bag making or package wrapping. The heat-seal film is divided into a single-sided heat-seal film and a double-sided heat-seal film. The single-sided heat-sealing film is compounded with PE, BOPP and aluminum foil to prepare a bag after the pattern is printed on the non-heat-sealing layer, and is used for packaging food, tea, beverage and the like. The double-sided heat-sealing film is used for directly heat-sealing and forming packaged food, textile, audio-visual products, playing cards and the like. These all require films with good heat sealing properties.
The haze of the existing BOPP single-sided heat-seal film is generally higher, and is difficult to meet the packaging requirements of high-grade packaging products, and the main reasons are that the anti-sticking agent of the existing BOPP single-sided heat-seal film is mainly silicon dioxide, synthetic porcelain clay, glass beads, calcium carbonate and the like, the anti-sticking agent is in an irregular shape and high in hydrophilicity, and poor in dispersibility in a matrix, so that the light transmittance of the BOPP single-sided heat-seal film is poor, and the packaging effect is further influenced, so that the BOPP high-transmittance single-sided heat-seal film is necessary to be provided.
Disclosure of Invention
The invention aims to provide a BOPP high-permeability single-sided heat-sealing film so as to solve the technical problem in the background technology.
The aim of the invention can be achieved by the following technical scheme:
the BOPP high-permeability single-sided heat sealing film is sequentially provided with a heat sealing layer, an intermediate layer and a non-heat sealing layer from top to bottom, wherein the thickness of the heat sealing layer is 2-5 mu m, the thickness of the intermediate layer is 15-45 mu m, and the thickness of the non-heat sealing layer is 1-3 mu m;
the heat seal layer comprises the following raw materials in percentage by weight: 2-4% of anti-sticking agent and the balance of copolymerized polypropylene;
the intermediate layer comprises the following raw materials in percentage by weight: 1-3% of mixed antistatic agent, 2-3% of slipping agent and the balance of homo-polypropylene;
the non-heat-sealing layer comprises the following raw materials in percentage by weight: 1-2% of anti-sticking agent and the balance of homopolypropylene.
The BOPP high-permeability single-sided heat-sealing film is prepared by the following steps:
first step, extruding a cast sheet: feeding the intermediate layer raw materials into a double-screw extruder or a single-screw extruder after mixing, respectively feeding the heat-sealing layer raw materials and the non-heat-sealing layer raw materials into an auxiliary extruder after mixing, carrying out converging extrusion on the three-layer raw materials through a die head, casting the three-layer raw materials through a sheet casting machine to obtain sheets, wherein the temperature of the extruder is 190-240 ℃, and the cooling temperature of the sheet casting machine is 18-32 ℃;
secondly, stretching: preheating the sheet, stretching longitudinally and stretching transversely, stretching longitudinally: preheating at 102-115 deg.c, stretching at 80-100 deg.c and stretching rate of 425-520%; and (3) transversely stretching: preheating at 150-185 deg.c, stretching at 140-170 deg.c and stretching rate at 700-900%; the setting temperature is 165-170 ℃;
thirdly, traction rolling: and introducing the stretched heat-sealing film into a traction system for flattening, testing the thickness by a beta-ray thickness meter, and rolling to obtain the BOPP high-permeability single-sided heat-sealing film.
According to the invention, the longitudinal stretching preheating temperature is reduced from the conventional 125 ℃ to 115 ℃ or below, the stretching temperature is reduced from the conventional 115 ℃ to 100 ℃ or below, the crystallization speed of the thick sheet is faster by reducing the cold temperature of the thick sheet produced, the temperature of the longitudinal stretching hot cover is reduced, the adhesion between the hot cover and a roller is reduced, and the transmittance of the film is improved.
Further, the anti-sticking agent is prepared by the following steps:
adding nano spherical silicon dioxide, absolute ethyl alcohol, deionized water and reactive hyperbranched polysiloxane into a reaction kettle, regulating the pH to 9 by using 25wt% ammonia water, controlling the reaction temperature to 80 ℃, stirring and reacting for 6-8h, filtering after the reaction is finished, washing a filter cake by using absolute ethyl alcohol, and drying to obtain an intermediate product;
wherein, the dosage ratio of the nanosphere silicon dioxide, the absolute ethyl alcohol, the deionized water and the reactive hyperbranched polysiloxane is 10g:60mL:40mL:8-10g;
step (2), adding an intermediate product, allyl succinic anhydride, toluene and chloroplatinic acid-isopropanol solution with the mass concentration of 1% into a reaction kettle, stirring and reacting for 2-3 hours at 80-85 ℃ under the condition of nitrogen atmosphere and magnetic stirring, and after the reaction is finished, carrying out suction filtration, washing a filter cake with an ethanol solution, and drying at 60 ℃ to obtain an anti-sticking agent;
wherein, the dosage ratio of the intermediate product, allyl succinic anhydride, toluene and 1% chloroplatinic acid-isopropanol solution by mass is 10g:1.6-2.8g:100-150mL:0.2g.
The nano spherical silicon dioxide is used as a base material, the reactive hyperbranched polysiloxane is used for carrying out surface modification on the nano spherical silicon dioxide to obtain an intermediate product, on one hand, the dispersibility of the nano spherical silicon dioxide in the base material is improved, on the other hand, the nano spherical silicon dioxide is endowed with reactivity, a foundation is laid for the chemical reaction in the step (2), then an addition reaction is carried out between Si-H bonds in reactive hyperbranched polysiloxane molecules and-C=C of allyl succinic anhydride (the intermediate product is subjected to end-capping treatment by using the allyl succinic anhydride) to obtain an anti-sticking agent, the anti-sticking agent is added into the base material, and the formed anti-sticking agent protruding from the surface of the heat sealing film enables an air isolation layer to be formed between the heat sealing films, so that the anti-sticking effect is achieved.
Further, the reactive hyperbranched polysiloxane is prepared by the following steps:
s1, adding phenyl trimethoxy silane, methyl trimethoxy silane and anhydrous methanol into a reaction kettle at 5 ℃ in a nitrogen atmosphere, dropwise adding an anhydrous methanol solution of trimethoxy silane under stirring, and simultaneously dropwise adding a pH regulating solution to regulate the pH value to 3 after the dropwise adding is finished, and stirring for reacting for 2 hours to obtain a mixture a;
the dosage ratio of the phenyltrimethoxysilane, the methyltrimethoxysilane, the anhydrous methanol and the anhydrous methanol solution of the trimethoxysilane is 15.84g:5.4-10.8g:60-70mL:50mL of trimethoxysilane in an absolute methanol solution, wherein the dosage ratio of trimethoxysilane to absolute ethanol is 19.5-24.4g:50mL;
step S2, under the nitrogen atmosphere, hexamethyldisiloxane and absolute ethyl alcohol are mixed according to the dosage ratio of 35g at 60 ℃:150mL of the mixture is added into a reaction kettle, pH value is regulated to be 3 by adding pH regulating solution, and the mixture is stirred and reacted for 2h to obtain a mixture b;
s3, controlling the temperature to be 60 ℃, adding the mixture b into the mixture a, carrying out heat preservation and stirring reaction for 8-10h, standing for 12-14h after the reaction is finished, separating by using a separating funnel to obtain a lower oily substance, and drying for 2-3h at 105-110 ℃ to obtain the reactive hyperbranched polysiloxane, wherein the volume ratio of the mixture a to the mixture b is 1:1.
further, the pH regulating solution is prepared from deionized water, hydrochloric acid solution with the mass concentration of 0.1mol/L and absolute methanol according to the volume ratio of 5:1: 10.
The preparation method takes phenyl trimethoxy silane, methyl trimethoxy silane, trimethoxy silane and hexamethyldisiloxane as raw materials, and the reactive hyperbranched polysiloxane containing siloxane methyl and silicon hydrogen bond is obtained through hydrolysis polycondensation reaction.
Further, the mixed antistatic agent consists of ethoxyamine and glycerol monostearate according to the mass ratio of 4-6:4-6.
Further, the slipping agent is octadecyl erucamide.
The invention has the beneficial effects that:
1. the BOPP high-permeability single-sided heat-sealing film prepared by the invention has high light transmittance, because the BOPP high-permeability single-sided heat-sealing film takes nano spherical silica as a base material, the surface of the BOPP high-permeability single-sided heat-sealing film is modified by utilizing reactive hyperbranched polysiloxane, and then the anti-sticking agent is obtained through end-capping treatment, and the anti-sticking agent has the physical characteristics of the nano spherical silica and the chemical characteristics of hyperbranched polymer, and compared with the case that irregular silica or other inorganic light-transmitting particles are adopted as the anti-sticking agent, the spherical particles can reduce the light refraction of the surface of the heat-sealing film, improve the light transmittance of the film, and based on the highly branched and non-entanglement characteristics of the hyperbranched polymer, the anti-sticking agent has good dispersibility in a polypropylene matrix and better plays an anti-sticking role on the premise that the light transmittance of the film is not influenced;
2. the BOPP high-permeability single-sided heat-sealing film prepared by the invention has high heat-sealing strength, not only is the heat-sealing material reasonable to select due to moderate thickness of the heat-sealing layer, but also the addition of the anti-sticking agent can promote the improvement of the heat-sealing strength, because the anti-sticking agent has higher activity and can chemically react with polar groups (hydroxyl, amino and the like) to form chemical bonds at high temperature, and the heat-sealing layer is chemically coupled with the materials to be heat-sealed (PE, BOPP, aluminum foil and the like) to improve the heat-sealing strength;
3. the BOPP high-permeability single-sided heat-sealing film prepared by the method has good mechanical property and high heat resistance, the anti-sticking agent is introduced into the heat-sealing layer to play an anti-sticking role, and the active group (acid anhydride) is introduced to enable the anti-sticking agent to react with the polypropylene matrix, so that nano spherical silicon dioxide is anchored in the heat-sealing film through a chemical bond, the nano spherical silicon dioxide is used as a reinforcing material to fill the middle heat-sealing film, the tensile strength and other mechanical properties of the heat-sealing film are improved, and the reactive hyperbranched polysiloxane is introduced to enable the heat-sealing surface to contain benzene rings, -Si-O-Si-and other high-resistant Wen Yinzi, so that the heat resistance of the heat-sealing film is improved, the initial heat-sealing temperature of the heat-sealing layer is increased, the adhesion of the heat-sealing film to equipment in the stretching process is avoided, and the scalding phenomenon of the film surface is avoided.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment provides a reactive hyperbranched polysiloxane, which is prepared by the following steps:
step S1, adding 15.84g of phenyl trimethoxy silane, 5.4g of methyl trimethoxy silane and 60mL of absolute methanol into a reaction kettle at the temperature of 5 ℃ under the nitrogen atmosphere, dropwise adding an absolute methanol solution of trimethoxy silane under stirring, simultaneously dropwise adding a pH regulating solution to regulate the pH value to 3 after the dropwise adding is finished, and stirring for reacting for 2 hours to obtain a mixture a, wherein the absolute methanol solution of trimethoxy silane comprises the following components in a dosage ratio of trimethoxy silane to absolute ethanol of 19.5g:50mL;
s2, adding 35g of hexamethyldisiloxane and 150mL of absolute ethyl alcohol into a reaction kettle at 60 ℃ in a nitrogen atmosphere, adding a pH adjusting solution to adjust the pH value to 3, and stirring for reacting for 2 hours to obtain a mixture b;
and S3, controlling the temperature to be 60 ℃, adding the mixture b into the mixture a, carrying out heat preservation and stirring reaction for 8 hours, standing for 12 hours after the reaction is finished, separating by using a separating funnel to obtain a lower oily substance, and drying for 2 hours at 105 ℃ to obtain the reactive hyperbranched polysiloxane.
Wherein the pH regulating solution is prepared from deionized water, hydrochloric acid solution with the mass concentration of 0.1mol/L and anhydrous methanol according to the volume ratio of 5:1: 10.
Example 2
The embodiment provides a reactive hyperbranched polysiloxane, which is prepared by the following steps:
step S1, adding 15.84g of phenyl trimethoxy silane, 10.8g of methyl trimethoxy silane and 70mL of absolute methanol into a reaction kettle at 5 ℃ under the nitrogen atmosphere, dropwise adding an absolute methanol solution of trimethoxy silane under stirring, simultaneously dropwise adding a pH regulating solution to regulate the pH value to 3 after the dropwise adding is finished, and stirring for 2 hours to obtain a mixture a, wherein the absolute methanol solution of trimethoxy silane comprises the following components in a dosage ratio of trimethoxy silane to absolute ethanol of 24.4g:50mL;
s2, adding 35g of hexamethyldisiloxane and 150mL of absolute ethyl alcohol into a reaction kettle at 60 ℃ in a nitrogen atmosphere, adding a pH adjusting solution to adjust the pH value to 3, and stirring for reacting for 2 hours to obtain a mixture b;
and S3, controlling the temperature to be 60 ℃, adding the mixture b into the mixture a, carrying out heat preservation and stirring reaction for 10 hours, standing for 14 hours after the reaction is finished, separating by using a separating funnel to obtain a lower oily substance, and drying at 110 ℃ for 3 hours to obtain the reactive hyperbranched polysiloxane.
Wherein the pH regulating solution is prepared from deionized water, hydrochloric acid solution with the mass concentration of 0.1mol/L and anhydrous methanol according to the volume ratio of 5:1: 10.
Example 3
The embodiment provides an anti-sticking agent, which comprises the following steps:
adding 10g of nano spherical silicon dioxide, 60mL of absolute ethyl alcohol, 40mL of deionized water and 8g of the reactive hyperbranched polysiloxane of the example 1 into a reaction kettle, regulating the pH to 9 by using 25wt% ammonia water, controlling the reaction temperature to 80 ℃, stirring and reacting for 6 hours, filtering after the reaction is finished, washing a filter cake by using the absolute ethyl alcohol, and drying to obtain an intermediate product;
and (2) adding 10g of intermediate product, 1.6g of allyl succinic anhydride, 100mL of toluene and 0.2g of chloroplatinic acid-isopropanol solution with mass concentration of 1% into a reaction kettle, stirring and reacting for 2 hours at 80 ℃ under the condition of nitrogen atmosphere and magnetic stirring, filtering after the reaction is finished, washing a filter cake with ethanol solution, and drying at 60 ℃ to obtain the anti-sticking agent.
Example 4
The embodiment provides an anti-sticking agent, which comprises the following steps:
adding 10g of nano spherical silicon dioxide, 60mL of absolute ethyl alcohol, 40mL of deionized water and 10g of reactive hyperbranched polysiloxane of example 2 into a reaction kettle, regulating the pH to 9 by using 25wt% ammonia water, controlling the reaction temperature to 80 ℃, stirring and reacting for 8 hours, filtering after the reaction is finished, washing a filter cake by using absolute ethyl alcohol, and drying to obtain an intermediate product;
and (2) adding 10g of intermediate product, 2.8g of allyl succinic anhydride, 150mL of toluene and 0.2g of chloroplatinic acid-isopropanol solution with mass concentration of 1% into a reaction kettle, stirring and reacting for 3 hours at 85 ℃ under the condition of nitrogen atmosphere and magnetic stirring, filtering after the reaction is finished, washing a filter cake with ethanol solution, and drying at 60 ℃ to obtain the anti-sticking agent.
Comparative example 1
This comparative example is the intermediate product obtained in step (1) of example 3.
Comparative example 2
This comparative example is nano spherical silica sold by the new materials science and technology company of Lianyong Wo Hua.
Comparative example 3
The comparative example is an irregular nano silica sold by the new materials science and technology company of Lianyuang Wo Hua.
Example 5
The BOPP high-permeability single-sided heat-sealing film is sequentially provided with a heat-sealing layer, an intermediate layer and a non-heat-sealing layer from top to bottom, wherein the thickness of the heat-sealing layer is 3 mu m, the thickness of the intermediate layer is 20 mu m, and the thickness of the non-heat-sealing layer is 1 mu m;
the heat seal layer comprises the following raw materials in percentage by weight: 2% of the antiblocking agent of example 3, the balance being copolymerized polypropylene; the intermediate layer comprises the following raw materials in percentage by weight: 1% of mixed antistatic agent and 2% of octadecyl erucamide; the balance being homopolymerized polypropylene; the heat seal layer comprises the following raw materials in percentage by weight: 1% of the antiblocking agent of example 3, the balance being homo-polypropylene;
the method comprises the following steps:
first step, extruding a cast sheet: feeding the intermediate layer raw materials into a double-screw extruder after mixing, respectively feeding the heat-sealing layer raw materials and the non-heat-sealing layer raw materials into an auxiliary extruder after mixing, converging and extruding the three layers of raw materials at a die head, and casting the three layers of raw materials by a sheet casting machine to obtain sheets, wherein the temperature of the extruder is 220 ℃, and the cooling temperature of the sheet casting machine is 25 ℃;
secondly, stretching: preheating the sheet, stretching longitudinally and stretching transversely, stretching longitudinally: the preheating temperature is 102 ℃, the stretching temperature is 95 ℃, and the stretching multiplying power is 425%; and (3) transversely stretching: preheating temperature 150 ℃, stretching temperature 160 ℃ and stretching multiplying power 700%; setting the temperature to 165 ℃;
thirdly, traction rolling: and introducing the stretched heat-sealing film into a traction system for flattening, testing the thickness by a beta-ray thickness meter, and rolling to obtain the BOPP high-permeability single-sided heat-sealing film.
Wherein the mixed antistatic agent consists of ethoxyamine and glycerol monostearate according to the mass ratio of 4:6, wherein the homopolymerized polypropylene is selected from singapore alumni material with the brand FS3011E, the copolymerized polypropylene is Exonmobli 3980FL elastomer, and the polypropylene is a propylene and ethylene elastomer produced by metallocene catalysis.
Example 6
The BOPP high-permeability single-sided heat-sealing film is sequentially provided with a heat-sealing layer, an intermediate layer and a non-heat-sealing layer from top to bottom, wherein the thickness of the heat-sealing layer is 4 mu m, the thickness of the intermediate layer is 40 mu m, and the thickness of the non-heat-sealing layer is 1 mu m;
the heat seal layer comprises the following raw materials in percentage by weight: 3% of the antiblocking agent of example 4, the balance being copolymerized polypropylene; the intermediate layer comprises the following raw materials in percentage by weight: 2% of mixed antistatic agent and 2.5% of octadecyl erucamide; the balance being homopolymerized polypropylene; the heat seal layer comprises the following raw materials in percentage by weight: 1.5% of the antiblocking agent of example 4, the balance being homo-polypropylene;
the method comprises the following steps:
first step, extruding a cast sheet: feeding the intermediate layer raw materials into a double-screw extruder after mixing, respectively feeding the heat-seal layer raw materials and the non-heat-seal layer raw materials into an auxiliary extruder after mixing, converging and extruding the three layers of raw materials at a die head, and casting the three layers of raw materials by a sheet casting machine to obtain sheets, wherein the temperature of the extruder is 240 ℃, and the cooling temperature of the sheet casting machine is 30 ℃;
secondly, stretching: preheating the sheet, stretching longitudinally and stretching transversely, stretching longitudinally: the preheating temperature is 108 ℃, the stretching temperature is 98 ℃, and the stretching multiplying power is 500%; and (3) transversely stretching: preheating temperature 160 ℃, stretching temperature 160 ℃ and stretching multiplying power 800%; setting the temperature to 165 ℃;
thirdly, traction rolling: and introducing the stretched heat-sealing film into a traction system for flattening, testing the thickness by a beta-ray thickness meter, and rolling to obtain the BOPP high-permeability single-sided heat-sealing film.
Wherein the mixed antistatic agent consists of ethoxyamine and glycerol monostearate according to the mass ratio of 5:5, wherein the homopolymerized polypropylene is selected from singapore alumni material with the brand FS3011E, the copolymerized polypropylene is Exonmobli 3980FL elastomer, and the polypropylene is a propylene and ethylene elastomer produced by metallocene catalysis.
Example 7
The BOPP high-permeability single-sided heat-sealing film is provided with a heat-sealing layer, an intermediate layer and a non-heat-sealing layer from top to bottom, wherein the thickness of the heat-sealing layer is 5 mu m, the thickness of the intermediate layer is 45 mu m, and the thickness of the non-heat-sealing layer is 3 mu m;
the heat seal layer comprises the following raw materials in percentage by weight: 4% of the antiblocking agent of example 4, the balance being copolymerized polypropylene; the intermediate layer comprises the following raw materials in percentage by weight: 3% of mixed antistatic agent and 3% of octadecyl erucamide; the balance being homopolymerized polypropylene; the heat seal layer comprises the following raw materials in percentage by weight: 2% of the antiblocking agent of example 4, the balance being homo-polypropylene;
the method comprises the following steps:
first step, extruding a cast sheet: feeding the intermediate layer raw materials into a double-screw extruder after mixing, respectively feeding the heat-seal layer raw materials and the non-heat-seal layer raw materials into an auxiliary extruder after mixing, converging and extruding the three layers of raw materials at a die head, and casting the three layers of raw materials by a sheet casting machine to obtain sheets, wherein the temperature of the extruder is 240 ℃, and the cooling temperature of the sheet casting machine is 32 ℃;
secondly, stretching: preheating the sheet, stretching longitudinally and stretching transversely, stretching longitudinally: the preheating temperature is 115 ℃, the stretching temperature is 100 ℃, and the stretching multiplying power is 520%; and (3) transversely stretching: preheating temperature 185 ℃, stretching temperature 170 ℃ and stretching multiplying power 900%; setting the temperature to 170 ℃;
thirdly, traction rolling: and introducing the stretched heat-sealing film into a traction system for flattening, testing the thickness by a beta-ray thickness meter, and rolling to obtain the BOPP high-permeability single-sided heat-sealing film.
Wherein the mixed antistatic agent consists of ethoxyamine and glycerol monostearate according to the mass ratio of 1:1, wherein the homopolymerized polypropylene is selected from singapore alumni material with the brand FS3011E, the copolymerized polypropylene is Exonmobli 3980FL elastomer, and the polypropylene is a propylene and ethylene elastomer produced by metallocene catalysis.
Comparative example 4
In comparison with example 5, the anti-blocking agent of example 5 was replaced with the material of comparative example 1, and the remaining raw materials and the production process were the same as in example 5.
Comparative example 5
In comparison with example 5, the anti-blocking agent of example 5 was replaced with the material of comparative example 2, and the remaining raw materials and the production process were the same as in example 5.
Comparative example 6
In comparison with example 5, the anti-blocking agent of example 5 was replaced with the material of comparative example 3, and the remaining raw materials and the production process were the same as in example 5.
The BOPP single-sided heat-seal films prepared in examples 5 to 7 and comparative examples 4 to 6 were subjected to performance test, and the gloss (%) was measured using a gloss meter; tensile strength (MPa) was measured with reference to standard GB/T13022-1991; the heat-seal film was tested for pendulum impact resistance (J) against standard GB/T8809; testing the initial heat seal strength (DEG C) by a heat seal detector; heat seal strength (N/15 mm) was tested with reference to standard GB/T12026-2000; the test results are shown in table 1:
TABLE 1
| Project | Example 5 | Example 6 | Example 7 | Comparative example 4 | Comparative example 5 | Comparative example 6 |
| Gloss (%) | 95.8 | 96.1 | 97.2 | 95.6 | 95.3 | 88.4 |
| Transverse tensile Strength (MPa) | 262 | 268 | 275 | 251 | 238 | 234 |
| Longitudinal tensile Strength (MPa) | 163 | 168 | 174 | 158 | 142 | 138 |
| Pendulum impact strength (J) | 1.76 | 1.80 | 1.85 | 1.72 | 1.61 | 1.63 |
| Initial Heat seal Strength (. Degree. C.) | 118 | 120 | 123 | 117 | 115 | 115 |
| Heat sealing strength (N/15 mm) | 29 | 31 | 35 | 25 | 21 | 20 |
As can be seen from Table 1, the BOPP single-sided heat-seal film prepared in examples 5 to 7 has a glossiness of more than 95.8%, a transverse tensile strength of more than 262MPa, a longitudinal tensile strength of more than 163MPa, a pendulum impact resistance of more than 1.76J, an initial heat-seal strength of more than 115 ℃ and a heat-seal strength of more than 29N/15mm, and compared with comparative examples 4 to 6, the BOPP single-sided heat-seal film has high light transmittance, good mechanical properties and high heat-seal strength;
as can be seen from the test data of comparative examples 5 and 6, the gloss of the heat-seal film obtained by using the nano spherical silica as the anti-sticking agent is higher, because the spherical particles can reduce the smooth refraction of the surface of the heat-seal film and improve the transmittance of the film;
as can be seen from the test data of comparative examples 4, 5, 6 and 5, the nano spherical silica is used as a base material, the surface of the base material is modified by using reactive hyperbranched polysiloxane, and then an anti-sticking agent is obtained through end-capping treatment, so that the anti-sticking agent is used for preparing the BOPP single-sided heat-sealing film, the transmittance of the heat-sealing film can be improved, and benzene rings, -Si-O-Si-and other high-resistant Wen Yinzi are introduced, so that the heat-sealing temperature of the heat-sealing layer is slightly increased, the adhesion of heat-sealing facing equipment in the stretching process is avoided, and the phenomenon of scalding the film surface is avoided; active groups are introduced, so that the heat sealing strength and the mechanical property of the heat sealing film are improved;
in conclusion, the BOPP single-sided heat-sealing film prepared by the invention has the advantages of high light transmittance, good mechanical property and high heat-sealing strength.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
- BOPP high-permeability single-sided heat sealing film, from top to bottom, has set gradually heat sealing layer, intermediate level and non-heat sealing layer, its characterized in that, the heat sealing layer includes following weight percent raw materials: 2-4% of anti-sticking agent and the balance of copolymerized polypropylene;the intermediate layer comprises the following raw materials in percentage by weight: 1-3% of mixed antistatic agent, 2-3% of slipping agent and the balance of homo-polypropylene;the non-heat-sealing layer comprises the following raw materials in percentage by weight: 1-2% of anti-sticking agent and the balance of homo-polypropylene;the anti-sticking agent is prepared by the following steps:mixing nano spherical silicon dioxide, absolute ethyl alcohol, deionized water and reactive hyperbranched polysiloxane, regulating the pH to 9 by ammonia water, and stirring and reacting for 6-8 hours at 80 ℃ to obtain an intermediate product;mixing the intermediate product, allyl succinic anhydride, toluene and chloroplatinic acid-isopropanol solution with the mass concentration of 1%, and stirring and reacting for 2-3 hours at 80-85 ℃ under the condition of nitrogen atmosphere and magnetic stirring to obtain the anti-sticking agent.
- 2. The BOPP high-permeability single-sided heat-seal film of claim 1, wherein the heat-seal layer has a thickness of 2-5 μm, the intermediate layer has a thickness of 15-45 μm, and the non-heat-seal layer has a thickness of 1-3 μm.
- 3. The BOPP high-permeability single-sided heat-seal film of claim 1, wherein the usage ratio of nanosphere-shaped silica, absolute ethyl alcohol, deionized water, and reactive hyperbranched polysiloxane is 10g:60mL:40mL:8-10g.
- 4. The BOPP high-permeability single-sided heat-sealing film according to claim 1, wherein the ratio of the amount of the intermediate product, allyl succinic anhydride, toluene, and 1% by mass chloroplatinic acid-isopropyl alcohol solution is 10g:1.6-2.8g:100-150mL:0.2g.
- 5. BOPP high-permeability single-sided heat-seal film according to claim 1, wherein the reactive hyperbranched polysiloxane is prepared by:step S1, mixing phenyl trimethoxy silane, methyl trimethoxy silane and absolute methanol in a nitrogen atmosphere at 5 ℃, dropwise adding an absolute methanol solution of trimethoxy silane under stirring, and simultaneously dropwise adding a pH regulating solution to regulate the pH value to 3 after the dropwise adding is finished, and stirring for reacting for 2 hours to obtain a mixture a;step S2, under the nitrogen atmosphere, hexamethyldisiloxane and absolute ethyl alcohol are mixed according to the dosage ratio of 35g at 60 ℃:150mL of the mixture is mixed, pH value is regulated to 3 by adding pH regulating solution, and stirring reaction is carried out for 2h, thus obtaining a mixture b;and S3, controlling the temperature to be 60 ℃, adding the mixture b into the mixture a, carrying out heat preservation and stirring reaction for 8-10h, standing for 12-14h, separating to obtain a lower oily substance, and drying at 105-110 ℃ for 2-3h to obtain the reactive hyperbranched polysiloxane.
- 6. The BOPP high-permeability single-sided heat-seal film of claim 5, wherein the ratio of the use amount of the anhydrous methanol solution of phenyltrimethoxysilane, methyltrimethoxysilane, anhydrous methanol, and trimethoxysilane is 15.84g:5.4-10.8g:60-70mL:50mL.
- 7. The BOPP high-permeability single-sided heat-seal film of claim 5, wherein the trimethoxysilane and absolute ethanol are present in an anhydrous methanol solution of trimethoxysilane in an amount ratio of 19.5-24.4g:50mL.
- 8. The BOPP high-permeability single-sided heat-seal film of claim 5, wherein the volume ratio of mixture a to mixture b is 1:1.
- 9. the BOPP high-permeability single-sided heat-sealing film according to claim 5, wherein the pH adjusting solution comprises deionized water, a hydrochloric acid solution with a mass concentration of 0.1mol/L, and anhydrous methanol in a volume ratio of 5:1: 10.
- 10. The BOPP high-permeability single-sided heat-sealing film according to claim 1, wherein the mixed antistatic agent is composed of ethoxyamine and glycerol monostearate in a mass ratio of 4-6:4-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211571745.4A CN116141790A (en) | 2022-12-08 | 2022-12-08 | BOPP high-permeability single-sided heat-sealing film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211571745.4A CN116141790A (en) | 2022-12-08 | 2022-12-08 | BOPP high-permeability single-sided heat-sealing film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116141790A true CN116141790A (en) | 2023-05-23 |
Family
ID=86351638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211571745.4A Pending CN116141790A (en) | 2022-12-08 | 2022-12-08 | BOPP high-permeability single-sided heat-sealing film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116141790A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309237A (en) * | 2014-10-22 | 2015-01-28 | 海南赛诺实业有限公司 | High-heat seal strength biaxial oriented polypropylene film and manufacturing method thereof |
| CN104553218A (en) * | 2015-01-13 | 2015-04-29 | 浙江凯利新材料股份有限公司 | Ultralow-temperature heat-seal two-way stretching polypropylene film and preparation method thereof |
| CN105128472A (en) * | 2015-08-31 | 2015-12-09 | 山东泗水康得新复合材料有限公司 | Matte BOPP film and preparation method thereof |
| CN105694463A (en) * | 2016-04-08 | 2016-06-22 | 北京凯瑞捷成新材料科技有限公司 | Rubber composition and self-lubricating rubber sealing strip prepared from same |
| CN114752131A (en) * | 2022-05-16 | 2022-07-15 | 梁玮 | Ultrahigh molecular weight polyethylene self-reinforced composite material |
-
2022
- 2022-12-08 CN CN202211571745.4A patent/CN116141790A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309237A (en) * | 2014-10-22 | 2015-01-28 | 海南赛诺实业有限公司 | High-heat seal strength biaxial oriented polypropylene film and manufacturing method thereof |
| CN104553218A (en) * | 2015-01-13 | 2015-04-29 | 浙江凯利新材料股份有限公司 | Ultralow-temperature heat-seal two-way stretching polypropylene film and preparation method thereof |
| CN105128472A (en) * | 2015-08-31 | 2015-12-09 | 山东泗水康得新复合材料有限公司 | Matte BOPP film and preparation method thereof |
| CN105694463A (en) * | 2016-04-08 | 2016-06-22 | 北京凯瑞捷成新材料科技有限公司 | Rubber composition and self-lubricating rubber sealing strip prepared from same |
| CN114752131A (en) * | 2022-05-16 | 2022-07-15 | 梁玮 | Ultrahigh molecular weight polyethylene self-reinforced composite material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104553218B (en) | Ultra-low temperature heat sealing bidirectional stretching polypropylene film and manufacture method thereof | |
| CN100532219C (en) | Thinned high-barrier liquid packaging film and manufacturing method thereof | |
| CN109705402B (en) | Preparation method of aerogel film opening agent | |
| CN104449552B (en) | Adhesion type Single-component addition-type silicone rubber adhesive and preparation method thereof | |
| CN107849399A (en) | Adhesive film and adhesive film cylinder | |
| CN105906839B (en) | A kind of polyolefin film titanium dioxide silicon substrate antiblocking agent and preparation method | |
| CN116141790A (en) | BOPP high-permeability single-sided heat-sealing film | |
| CN101508371B (en) | Packaging film for frozen potables and preparation method thereof | |
| CN102423947A (en) | Plastic substrate film for chocolate food packaging and processing technic thereof | |
| JP2001030328A (en) | IMPROVED METHOD FOR PRODUCING BIAXIALLY STRETCHED POLYPROPYLENE (BOPP) PEARL GLOSS SYNTHETIC PAPER WITH THICKNESS OF 25-25 mum OBTAINED BY THREE-LAYER COEXTRUSION SYSTEM DUE TO SINGLE SCREW EXTRUDER | |
| CN101723131A (en) | Composite cold-seal packaging film with function of preventing high temperature conglutination and preparation method thereof | |
| CN108928059A (en) | A kind of the high-barrier food product packing film and preparation method of the graphene containing orientation | |
| CN112980097B (en) | Non-migratory high-temperature smooth master batch and preparation process thereof | |
| CN115044125B (en) | Special low-friction-coefficient anti-bonding master batch for BOPE (biaxially oriented polyethylene) composite film, preparation method of master batch and BOPE composite film | |
| CN102971366B (en) | Bag nylon membrane | |
| CN108017937A (en) | Preparation method for silane modified polyether seal glue calcium carbonate | |
| CN116001397B (en) | BOPP heat-seal film with high hot-tack strength and preparation method thereof | |
| CN110497660A (en) | A kind of corrosive gases penetrate compound package material and preparation method thereof | |
| CN106117771A (en) | A kind of toothpaste sheet material apparatus polyethylene coating materials having efficient printing effect and preparation method thereof | |
| CN112522992A (en) | Degradable kraft paper buffer air cushion film with good waterproofness and preparation method thereof | |
| CN201553394U (en) | Composite cold seal packaging film | |
| CN110028775B (en) | Preparation method of stretch-resistant strapping material | |
| CN114193884A (en) | High-strength lightweight antibacterial plastic film and preparation method thereof | |
| CN112553967A (en) | Degradable kraft paper buffer air cushion film with good barrier property and preparation method thereof | |
| CN112920568A (en) | Biodegradable express packaging bag and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |