CN112976741A - BOPP antistatic stretching film - Google Patents

BOPP antistatic stretching film Download PDF

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Publication number
CN112976741A
CN112976741A CN202110277435.0A CN202110277435A CN112976741A CN 112976741 A CN112976741 A CN 112976741A CN 202110277435 A CN202110277435 A CN 202110277435A CN 112976741 A CN112976741 A CN 112976741A
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Prior art keywords
parts
film
bopp
raw material
stretching
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CN202110277435.0A
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Chinese (zh)
Inventor
王辉煌
项晓波
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Ruian Dongwei Plastic Co Ltd
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Ruian Dongwei Plastic Co Ltd
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Priority to CN202110277435.0A priority Critical patent/CN112976741A/en
Publication of CN112976741A publication Critical patent/CN112976741A/en
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    • 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
    • B32B27/08—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 of synthetic resin
    • 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
    • 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
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/283—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polysiloxanes
    • 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
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/288—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyketones
    • 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
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
    • C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • 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
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/21—Anti-static
    • 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
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2461/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08J2461/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2293—Oxides; Hydroxides of metals of nickel

Abstract

The invention relates to the technical field of preparation of coated materials, and discloses a BOPP (biaxially-oriented polypropylene) antistatic stretched film which comprises the following components in parts by weight: 100 parts of polypropylene; 4-7 parts of nano nickel oxide; 100 parts of organic silicon; 5-10 parts of a coupling agent; 8-10 parts of a catalyst; 4-6 parts of an adhesion additive; 3-10 parts of graphene; 1.5-3 parts of graphene oxide; 2-5 parts of SiC nano particles; 20-50 parts of polyamic acid solution. This BOPP prevents static tensile film through adding graphite alkene in the interior surface raw materials, graphite alkene increases the electric conductivity of interior surface material to it is good to have reached and has prevented static effect, convenient to use's effect.

Description

BOPP antistatic stretching film
Technical Field
The invention relates to the technical field of preparation of coating materials, in particular to a BOPP (biaxially-oriented polypropylene) antistatic stretching film.
Background
BOPP film is a biaxial stretching polypropylene film, which is produced by making high molecular polypropylene melt into sheet or thick film through a long and narrow head, stretching the sheet or thick film in two perpendicular directions (longitudinal and transverse directions) simultaneously or in a distributed manner at a certain temperature and a set speed in a special stretching machine, and performing proper cooling or heat treatment or special processing (such as corona, coating and the like).
The surface of the existing BOPP film is nonpolar, high in crystallinity, low in surface free energy and poor in compactness, and is easy to pull and expand, meanwhile, the existing BOPP film is poor in anti-static capacity, the surface of the existing BOPP film is easy to generate a static aggregation phenomenon, and the existing BOPP film is easy to deform, fold and fit irregularly in the using process and is not beneficial to operation and die cutting.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the BOPP anti-static stretching film which has the advantages of good compactness, high adhesion, good anti-static effect and convenience in use.
The invention adopts the following technical scheme for realizing the technical purpose: a BOPP antistatic stretch film comprises the following components in parts by weight: 100 parts of polypropylene; 4-7 parts of nano nickel oxide; 100 parts of organic silicon; 5-10 parts of a coupling agent; 8-10 parts of a catalyst; 4-6 parts of an adhesion additive; 3-10 parts of graphene; 1.5-3 parts of graphene oxide; 2-5 parts of SiC nano particles; 20-50 parts of polyamic acid solution.
The BOPP antistatic stretched film comprises the following steps:
s1, performing vacuum treatment on 60-70% of polypropylene, 15-25% of polyether ether ketone and 10-15% of nano nickel oxide base at a vacuum degree of-80 to-120 kpa, and then performing blending extrusion on a double-screw extruder at the temperature of 180 ℃ and 220 ℃ to obtain a raw material of the middle layer;
s2, blending organosilicon, coupling agent, catalyst, adhesion additive and graphene according to the ratio of 20:1:1.6:1:1.2, and extruding by a double-screw extruder to obtain an inner surface raw material;
s3, selecting a graphene oxide suspension liquid with the concentration of 2mg/ml for vacuum filtration to obtain a graphene oxide film; mixing SiC nano-particles with a mass ratio of 1.5:15 and a polyamic acid solution to obtain a mixed solution; placing the graphene oxide film in the mixed solution at a table mass ratio of 1:2, and carrying out soaking reaction for 1.8-2.9h at the temperature of 33-38 ℃; after the soaking reaction, preserving the heat for 1.5h in a drying box at 163 ℃ with 115-;
s4, adding the intermediate raw material into an injection molding machine, heating the intermediate raw material to 185-203 ℃ by the injection molding machine, then performing injection molding to form a sheet or a thick film, and stretching the sheet or the thick film by a stretching machine to obtain an intermediate film;
and S5, stacking the outer surface raw material, the middle layer film and the inner surface raw material together in sequence, and pressing the raw materials together through a hot press to obtain the BOPP anti-static stretching film product.
For optimization, the temperature during stretching in S4 is controlled to be 93-117 ℃, and the stretching speed is 85-125 m/min.
For optimization, the pressure of the hot press in S5 is controlled to 90-150 kpa.
The invention has the following beneficial effects:
1. this BOPP prevents static tensile film through adding graphite alkene in the interior surface raw materials, graphite alkene increases the electric conductivity of interior surface material to it is good to have reached and has prevented static effect, convenient to use's effect.
2. According to the BOPP anti-static tensile film, the graphene oxide film is placed in a mixed solution of SiC nano particles and a polyamide acid solution, the SiC nano particles play a role in catalyzing graphitization, the graphitization degree is improved, and therefore the effects of good compactness and high adhesion are achieved.
Detailed Description
Example 1: a BOPP antistatic stretch film comprises the following components in parts by weight: 100 parts of polypropylene; 4-7 parts of nano nickel oxide; 100 parts of organic silicon; 5-10 parts of a coupling agent; 8-10 parts of a catalyst; 4-6 parts of an adhesion additive; 3-10 parts of graphene; 1.5-3 parts of graphene oxide; 2-5 parts of SiC nano particles; 20-50 parts of polyamic acid solution.
The BOPP antistatic stretched film comprises the following steps:
s1, performing vacuum treatment on 60% of polypropylene, 15% of polyether-ether-ketone and 10% of nano nickel oxide base at a vacuum degree of-80 kpa, and then performing blending extrusion on a double-screw extruder at 180 ℃ to obtain a middle layer raw material;
s2, blending organosilicon, coupling agent, catalyst, adhesion additive and graphene according to the ratio of 20:1:1.6:1:1.2, and extruding by a double-screw extruder to obtain an inner surface raw material;
s3, selecting a graphene oxide suspension liquid with the concentration of 2mg/ml for vacuum filtration to obtain a graphene oxide film; mixing SiC nano-particles with a mass ratio of 1.5:15 and a polyamic acid solution to obtain a mixed solution; placing the graphene oxide film in the mixed solution at a table mass ratio of 1:2, and carrying out soaking reaction for 1.8h at the temperature of 33 ℃; after soaking reaction, keeping the temperature in a drying oven at 115 ℃ for 1.5h, and then extruding by a double-screw extruder to obtain an outer surface raw material;
s4, adding the intermediate raw material into an injection molding machine, heating the intermediate raw material to 185 ℃ by the injection molding machine, then performing injection molding to form a sheet or a thick film, and stretching the sheet or the thick film by a stretcher to obtain an intermediate film;
and S5, stacking the outer surface raw material, the middle layer film and the inner surface raw material together in sequence, and pressing the raw materials together through a hot press to obtain the BOPP anti-static stretching film product.
The temperature during the stretching in S4 was controlled to 93 ℃ and the stretching speed was 85 m/min.
The pressure of the hot press in S5 was controlled at 90 kpa.
Example 2: a BOPP antistatic stretch film comprises the following components in parts by weight: 40 parts of nickel powder; 8 parts of chromium powder and 7 parts of oxidation treatment; 70 parts of zirconia balls; 29 parts of pure water; 1.8 parts of a dispersing agent; 3 parts of titanium oxide; 3 parts of zinc oxide; and 2 parts of alumina.
The BOPP antistatic stretched film comprises the following steps:
s1, carrying out vacuum treatment on 70% of polypropylene, 25% of polyether-ether-ketone and 15% of nano nickel oxide base by mass percentage, wherein the vacuum degree is-120 kpa, and then carrying out blending extrusion on a double-screw extruder at 220 ℃ to obtain a raw material of the middle layer;
s2, blending organosilicon, coupling agent, catalyst, adhesion additive and graphene according to the ratio of 20:1:1.6:1:1.2, and extruding by a double-screw extruder to obtain an inner surface raw material;
s3, selecting a graphene oxide suspension liquid with the concentration of 2mg/ml for vacuum filtration to obtain a graphene oxide film; mixing SiC nano-particles with a mass ratio of 1.5:15 and a polyamic acid solution to obtain a mixed solution; placing the graphene oxide film in the mixed solution at a table mass ratio of 1:2, and carrying out soaking reaction for 2.9h at the temperature of 38 ℃; after soaking reaction, preserving heat in a 163 ℃ drying oven for 1.5h, and then extruding by a double-screw extruder to obtain an outer surface raw material;
s4, adding the intermediate raw material into an injection molding machine, heating the intermediate raw material to 203 ℃ by the injection molding machine, then performing injection molding to form a sheet or a thick film, and stretching the sheet or the thick film by a stretcher to obtain an intermediate film;
and S5, stacking the outer surface raw material, the middle layer film and the inner surface raw material together in sequence, and pressing the raw materials together through a hot press to obtain the BOPP anti-static stretching film product.
The temperature during the stretching in S4 was controlled to 117 ℃ and the stretching speed was 125 m/min.
The pressure of the hot press in S5 was controlled at 150 kpa.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The BOPP anti-static stretching film is characterized by comprising the following components in parts by weight:
100 parts of polypropylene;
4-7 parts of nano nickel oxide;
100 parts of organic silicon;
5-10 parts of a coupling agent;
8-10 parts of a catalyst;
4-6 parts of an adhesion additive;
3-10 parts of graphene;
1.5-3 parts of graphene oxide;
2-5 parts of SiC nano particles;
20-50 parts of polyamic acid solution.
2. The BOPP antistatic stretch film as claimed in claim 1, comprising the steps of:
s1, performing vacuum treatment on 60-70% of polypropylene, 15-25% of polyether ether ketone and 10-15% of nano nickel oxide base at a vacuum degree of-80 to-120 kpa, and then performing blending extrusion on a double-screw extruder at the temperature of 180 ℃ and 220 ℃ to obtain a raw material of the middle layer;
s2, blending organosilicon, coupling agent, catalyst, adhesion additive and graphene according to the ratio of 20:1:1.6:1:1.2, and extruding by a double-screw extruder to obtain an inner surface raw material;
s3, selecting a graphene oxide suspension liquid with the concentration of 2mg/ml for vacuum filtration to obtain a graphene oxide film; mixing SiC nano-particles with a mass ratio of 1.5:15 and a polyamic acid solution to obtain a mixed solution; placing the graphene oxide film in the mixed solution at a table mass ratio of 1:2, and carrying out soaking reaction for 1.8-2.9h at the temperature of 33-38 ℃; after the soaking reaction, preserving the heat for 1.5h in a drying box at 163 ℃ with 115-;
s4, adding the intermediate raw material into an injection molding machine, heating the intermediate raw material to 185-203 ℃ by the injection molding machine, then performing injection molding to form a sheet or a thick film, and stretching the sheet or the thick film by a stretching machine to obtain an intermediate film;
and S5, stacking the outer surface raw material, the middle layer film and the inner surface raw material together in sequence, and pressing the raw materials together through a hot press to obtain the BOPP anti-static stretching film product.
3. The BOPP antistatic stretch film according to claim 2, wherein: and the temperature during the stretching in the S4 is controlled to be 93-117 ℃, and the stretching speed is 85-125 m/min.
4. The BOPP antistatic stretch film according to claim 2, wherein: the pressure of the hot press in the S5 is controlled to be 90-150 kpa.
CN202110277435.0A 2021-03-15 2021-03-15 BOPP antistatic stretching film Pending CN112976741A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113372653A (en) * 2021-08-03 2021-09-10 苏州度辰新材料有限公司 Stiffness-increasing master batch for BOPP film, preparation method of stiffness-increasing master batch and BOPP film
CN115321227A (en) * 2022-08-26 2022-11-11 江苏新义薄膜有限公司 Antistatic BOPP film and preparation method and preparation device thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106003973A (en) * 2016-05-30 2016-10-12 金宝丽科技（苏州）有限公司 Preparation method for nano particle-modified polypropylene composite sheet
CN107325520A (en) * 2017-08-08 2017-11-07 扬州市维纳复合材料科技有限公司 A kind of preparation method of antistatic modified plastics
CN110315731A (en) * 2019-05-28 2019-10-11 浙江蓝也薄膜有限公司 BOPP (biaxially-oriented polypropylene) antistatic stretched film and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106003973A (en) * 2016-05-30 2016-10-12 金宝丽科技（苏州）有限公司 Preparation method for nano particle-modified polypropylene composite sheet
CN107325520A (en) * 2017-08-08 2017-11-07 扬州市维纳复合材料科技有限公司 A kind of preparation method of antistatic modified plastics
CN110315731A (en) * 2019-05-28 2019-10-11 浙江蓝也薄膜有限公司 BOPP (biaxially-oriented polypropylene) antistatic stretched film and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113372653A (en) * 2021-08-03 2021-09-10 苏州度辰新材料有限公司 Stiffness-increasing master batch for BOPP film, preparation method of stiffness-increasing master batch and BOPP film
CN115321227A (en) * 2022-08-26 2022-11-11 江苏新义薄膜有限公司 Antistatic BOPP film and preparation method and preparation device thereof

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Application publication date: 20210618