CN114379185A - Preparation method of antibacterial high-barrier easy-to-tear film - Google Patents
Preparation method of antibacterial high-barrier easy-to-tear film Download PDFInfo
- Publication number
- CN114379185A CN114379185A CN202111640452.2A CN202111640452A CN114379185A CN 114379185 A CN114379185 A CN 114379185A CN 202111640452 A CN202111640452 A CN 202111640452A CN 114379185 A CN114379185 A CN 114379185A
- Authority
- CN
- China
- Prior art keywords
- rotating roller
- vertical plate
- storage box
- liquid storage
- air cushion
- 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.)
- Granted
Links
Images
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
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- 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
- B32B27/32—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
- 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
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- 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
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
-
- 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
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- 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
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/06—Polyamides derived from polyamines and polycarboxylic acids
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Coating Apparatus (AREA)
- Packages (AREA)
Abstract
The invention relates to a preparation method of an antibacterial high-barrier easy-to-tear film, which comprises the following steps: mixing PA6 and MXD6 in a mixer in proportion, mixing the obtained mixture with nano inorganic salt, a mouth-opening agent and a slipping agent in proportion, and performing melt blending, extrusion and granulation by a double-screw extruder to obtain nano easily-torn master batch for later use; melting, blending, extruding and granulating MXD6 and the nano inorganic salt by a double-screw extruder according to a proportion to obtain nano barrier master batches for later use; thirdly, respectively putting the master batches obtained in the step one into two auxiliary machines to manufacture a layer A and a layer C; putting the master batch obtained in the second step into a host to manufacture a layer B; fourthly, the layers in the third step are subjected to melt co-extrusion and sheet casting to obtain a thick sheet consisting of A, B, C layers; fifthly, humidifying the thick sheet obtained in the fourth step by a water tank, and then synchronously stretching and shaping bidirectionally.
Description
Technical Field
The invention relates to the field of preparation of antibacterial high-barrier easy-to-tear films, and particularly relates to a preparation method of an antibacterial high-barrier easy-to-tear film.
Background
In the existing preparation method of the antibacterial high-barrier easy-to-tear composite film, the cloth primer coating agent and the barrier antibacterial coating liquid are required to be respectively placed in two containers, and then the cloth primer coating agent and the barrier antibacterial coating liquid are coated on the base material layer film along with the movement of the base material layer film at the lower side of the container, but a lot of cloth primer coating agent and barrier antibacterial coating liquid can be remained on the side wall of the container for placing the cloth primer coating agent and the barrier antibacterial coating liquid, so that the cloth primer coating agent and the barrier antibacterial coating liquid cannot be utilized, and waste is caused.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects of the prior art, meet the practical needs, and provide a preparation method of an antibacterial high-barrier easy-to-tear film, which can utilize a cloth primer coating agent and a barrier antibacterial coating liquid remained on the side wall of a container as much as possible, so as to solve the technical problems.
(2) Technical scheme
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
a preparation method of an antibacterial high-barrier easy-to-tear film,
step a, preparing a base material layer:
mixing PA6 and MXD6 in a mixer in proportion, mixing the obtained mixture with nano inorganic salt, a mouth-opening agent and a slipping agent in proportion, and performing melt blending, extrusion and granulation by a double-screw extruder to obtain nano easily-torn master batch for later use;
melting, blending, extruding and granulating MXD6 and the nano inorganic salt by a double-screw extruder according to a proportion to obtain nano barrier master batches for later use;
thirdly, respectively putting the master batches obtained in the step one into two auxiliary machines to manufacture a layer A and a layer C; putting the master batch obtained in the second step into a host to manufacture a layer B;
fourthly, the layers in the third step are subjected to melt co-extrusion and sheet casting to obtain a thick sheet consisting of A, B, C layers;
fifthly, humidifying the thick sheet obtained in the fourth step by a water tank, and then performing synchronous biaxial stretching and shaping;
sixthly, performing corona treatment on the film C layer obtained in the fifth step, and then rolling and cutting the film C layer for standby;
step b, unreeling the substrate layer film prepared in the step a, firstly coating a primer on one side of the corona treatment by using a first coating device, then drying the film in an oven, then coating the prepared barrier antibacterial coating liquid by using a second coating device, finally drying in the oven, and rolling for later use;
step c, compounding the film obtained in the step b with PE through an adhesive, and curing for 48 hours at 45 ℃ to obtain an antibacterial high-barrier easy-to-tear composite film;
the first coating device in the step b comprises a first vertical plate, a second vertical plate, a first motor, a second motor, a first rotating roller, a second rotating roller, a third rotating roller, a liquid storage box and a throwing mechanism, wherein the first motor and the second motor are positioned inside the first vertical plate, the first rotating roller, the second rotating roller and the third rotating roller are positioned between the first vertical plate and the second vertical plate, the output end of the first motor is fixedly connected with one end of the first rotating roller, the other end of the first rotating roller is rotatably connected with the second vertical plate, one end of the second rotating roller is rotatably connected with the first vertical plate, the other end of the second rotating roller is rotatably connected with the second vertical plate, the output end of the second motor is fixedly connected with one end of the third rotating roller, and the other end of the third rotating roller is rotatably connected with the second vertical plate, the second rotating roller is located between the first rotating roller and the third rotating roller, the liquid storage box is fixedly arranged between the first vertical plate and the second vertical plate, the liquid storage box is provided with an inner cavity and a liquid outlet, the liquid outlet is located at the bottom of the liquid storage box, the liquid outlet is located on the lower side of the inner cavity, the inner cavity is communicated with the liquid outlet, and the whipping mechanism is located in the inner cavity.
A first coating device as set forth in the claims for carrying out the preceding claims, characterized in that: the swing mechanism comprises a support frame, a first air cushion, a second air cushion, a third air cushion, a fourth air cushion, a first transmission assembly, a second transmission assembly, a third transmission assembly, a fourth transmission assembly, a first swing assembly, a second swing assembly, a third swing assembly and a fourth swing assembly, the support frame is provided with a first side surface, a second side surface, a third side surface and a fourth side surface, the first side surface is positioned on the left side of the support frame, the second side surface is positioned on the right side of the support frame, the third side surface is positioned on the front side of the support frame, the fourth side surface is positioned on the rear side of the support frame, the first swing assembly is positioned on the side of the first side surface, the second swing assembly is positioned on the side of the second side surface, the third swing assembly is positioned on the side of the third side surface, and the fourth swing assembly is positioned on the side of the fourth side surface, the first air cushion, the second air cushion, the third air cushion and the fourth air cushion are positioned at the bottoms of four corners of the support frame, the first transmission assembly is positioned on the front side and the rear side of the first swing assembly, the second transmission assembly is positioned on the front side and the rear side of the second swing assembly, the third transmission assembly is positioned on the left side and the right side of the third swing assembly, and the fourth transmission assembly is positioned on the left side and the right side of the fourth swing assembly.
The support frame still includes fourth side and sixth side, the fourth side with the sixth side is located respectively the front side and the rear side of first side place side, the fourth side with the sixth side is relative, first whipping subassembly includes pivot, elastic plastic board and torsional spring, under initial condition, the elastic plastic board is located the upside of pivot, the torsional spring cover is established the pivot, the one end of torsional spring is fixed to be set up the fourth side, the other end of torsional spring is fixed to be set up the pivot, the stock solution box is including the perisporium that forms the inner chamber, the width of elastic plastic board is greater than the pivot is arrived the distance of perisporium.
The support frame further comprises a seventh side surface and an eighth side surface, the seventh side surface is positioned at the rear side of the first side surface, the eighth side surface is positioned at the front side of the first side surface, the first transmission component comprises a first gear, a second gear and two racks, one end of the rotating shaft penetrates out of the seventh side surface and is fixedly provided with the first gear, the other end of the rotating shaft penetrates out of the eighth side surface and is fixedly provided with the second gear, one of the racks is positioned between the peripheral wall and the first gear and is arranged along the height direction of the liquid storage box, the other rack is positioned between the peripheral wall and the second gear and is arranged along the height direction of the liquid storage box, the racks comprise a plurality of tooth groups arranged along the height direction of the liquid storage box, intervals are arranged between every two tooth groups, each tooth group comprises four teeth and is arranged along the height direction of the liquid storage box, the distance between the top and bottom of the gap is the width of two teeth.
The width of the elastic plastic plate is three times of the distance from the rotating shaft to the peripheral wall
The liquid outlet is located in the middle of the bottom wall of the liquid storage box.
(3) Has the advantages that:
A. through first coating device and second coating device's setting can be with remaining cloth primer on the perisporium of stock solution box with the antibiotic coating liquid of separation get rid of the middle part of stock solution box, then flow into the film from the liquid outlet 62 that is located stock solution box primer middle part on to can avoid the waste of cloth primer and the antibiotic coating liquid of separation.
Drawings
FIG. 1 is a perspective view of one embodiment of the present application;
FIG. 2 is a top view of an embodiment of the present application;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is an enlarged view of FIG. 3 at B;
FIG. 5 is an enlarged view at C in FIG. 3;
FIG. 6 is a perspective view of the first coating device;
FIG. 7 is an enlarged view at C of FIG. 6;
FIG. 8 is a front view of a first coating device;
FIG. 9 is a cross-sectional view taken at D-D of FIG. 8;
fig. 10 is a partial structural schematic diagram of the first transmission assembly.
Detailed Description
The invention is further illustrated with reference to the accompanying figures 1 to 10:
a preparation method of an antibacterial high-barrier easy-tear film comprises the following steps:
mixing PA6 and MXD6 in a mixer in proportion, mixing the obtained mixture with nano inorganic salt, a mouth-opening agent and a slipping agent in proportion, and performing melt blending, extrusion and granulation by a double-screw extruder to obtain nano easily-torn master batch for later use;
melting, blending, extruding and granulating MXD6 and the nano inorganic salt by a double-screw extruder according to a proportion to obtain nano barrier master batches for later use;
thirdly, respectively putting the master batches obtained in the step one into two auxiliary machines to manufacture a layer A and a layer C; putting the master batch obtained in the second step into a host to manufacture a layer B;
fourthly, the layers in the third step are subjected to melt co-extrusion and sheet casting to obtain a thick sheet consisting of A, B, C layers;
fifthly, humidifying the thick sheet obtained in the fourth step by a water tank, and then performing synchronous biaxial stretching and shaping;
sixthly, performing corona treatment on the film C layer obtained in the fifth step, and then rolling and cutting the film C layer for standby;
step b, unreeling the substrate layer film prepared in the step a, firstly coating a primer on one side of the corona treatment by using a first coating device, then drying the film in an oven, then coating the prepared barrier antibacterial coating liquid by using a second coating device, finally drying in the oven, and rolling for later use;
step c, compounding the film obtained in the step b with PE through an adhesive, and curing for 48 hours at 45 ℃ to obtain an antibacterial high-barrier easy-to-tear composite film;
the first coating device in the step b comprises a first vertical plate 1, a second vertical plate 2, a first motor, a second motor, a first rotating roller 3, a second rotating roller 4, a third rotating roller 5, a liquid storage box 6 and a swing mechanism 7, wherein the first motor and the second motor are positioned inside the first vertical plate 1, the first rotating roller 3, the second rotating roller 4 and the third rotating roller 5 are positioned between the first vertical plate 1 and the second vertical plate 2, the output end of the first motor is fixedly connected with one end of the first rotating roller 3, the other end of the first rotating roller 3 is rotatably connected with the second vertical plate 2, one end of the second rotating roller 4 is rotatably connected with the first vertical plate 1, the other end of the second rotating roller 4 is rotatably connected with the second vertical plate 2, the output end of the second motor is fixedly connected with one end of the third rotating roller 5, the other end of the third rotating roller 5 is rotatably connected with the second vertical plate 2, second live-rollers 4 is located between first live-rollers 3 and the third live-rollers 5, and stock solution box 6 is fixed to be set up between first riser 1 and second riser 2, and stock solution box 6 has inner chamber 61 and liquid outlet 62, and liquid outlet 62 is located stock solution box 6 bottom, and liquid outlet 62 is located the inner chamber 61 downside, and inner chamber 61 is linked together with liquid outlet 62, and whipping mechanism 7 is located inner chamber 61.
The swing mechanism 7 includes a support frame 71, a first air cushion 72, a second air cushion 73, a third air cushion 74, a fourth air cushion 75, a first transmission assembly 76, a second transmission assembly 77, a third transmission assembly 78, a fourth transmission assembly 79, a first swing assembly 80, a second swing assembly 81, a third swing assembly 82, and a fourth swing assembly 83, the support frame 71 has a first side 710, a second side 711, a third side 712, and a fourth side 713, the first side 710 is located on the left side of the support frame 71, the second side 711 is located on the right side of the support frame 71, the third side 712 is located on the front side of the support frame 71, the fourth side 713 is located on the rear side of the support frame 71, the first swing assembly 80 is located on the first side 710, the second swing assembly 81 is located on the second side 711, the third swing assembly 82 is located on the third side 712, the fourth side 83 is located on the fourth side 713, the first air cushion 72, the second air cushion 73, the third air cushion 74 and the fourth air cushion 75 are positioned at the bottom of four corners of the supporting frame 71, the first transmission assembly 76 is positioned at the front and rear sides of the first swing assembly 80, the second transmission assembly 77 is positioned at the front and rear sides of the second swing assembly 81, the third transmission assembly 78 is positioned at the left and right sides of the third swing assembly 82, and the fourth transmission assembly 79 is positioned at the left and right sides of the fourth swing assembly 83. The second transmission assembly, the third transmission assembly and the fourth transmission assembly are identical to the first transmission assembly in structure. The second swing assembly, the third swing assembly, the fourth swing assembly and the first swing assembly have the same structure.
The supporting frame 71 further comprises a fourth side 714 and a sixth side 715, the fourth side 714 and the sixth side 715 are respectively located on the front side and the rear side of the first side 710, the fourth side 714 and the sixth side 715 are opposite, the first swing assembly 80 comprises a rotating shaft 801, an elastic plastic plate 802 and a torsion spring, in an initial state, the elastic plastic plate 802 is located on the upper side of the rotating shaft 801, the torsion spring is sleeved on the rotating shaft 801, one end of the torsion spring is fixedly arranged on the fourth side 714, the other end of the torsion spring is fixedly arranged on the rotating shaft 801, the liquid storage box 6 comprises a peripheral wall 601 forming an inner cavity 61, the width of the elastic plastic plate 802 is larger than the distance from the rotating shaft 801 to the peripheral wall 601, so that the elastic plastic plate can be bent to the maximum extent when contacting with the side wall, the elastic potential energy is larger when the elastic plastic plate is reset, and the collected residual liquid can be thrown out as much as possible.
The supporting frame 71 further comprises a seventh side surface 720 and an eighth side surface, the seventh side surface 720 is located at the rear side of the first side surface 710, the eighth side surface is located at the front side of the first side surface 710, the first transmission assembly 76 comprises a first gear 761, a second gear and two racks 763, one end of the rotating shaft 801 penetrates through the seventh side surface 720 and is fixedly provided with the first gear 761, the other end of the rotating shaft 801 penetrates through the eighth side surface and is fixedly provided with the second gear, one of the racks 763 is located between the peripheral wall 601 and the first gear 761 and is disposed along the height direction of the liquid storage box 6, the other rack 763 is located between the peripheral wall 601 and the second gear and is disposed along the height direction of the liquid storage box 6, the rack 763 includes a plurality of tooth groups 900 disposed along the height direction of the liquid storage box 6, an interval 901 is provided between every two tooth groups 900, each tooth group 900 includes four teeth, and the distance between the top and the bottom of the interval 901 is the width of two teeth along the height direction of the liquid storage box 6.
The width of the elastic plastic plate 802 is three times the distance from the rotation axis 801 to the peripheral wall 601.
The liquid outlet 62 is positioned in the middle of the bottom wall of the liquid storage box 6.
The first coating device and the second coating device have the same structure, so the structure is not described again.
An electric control door 888 is fixedly arranged on both sides of the liquid outlet 62, and the electric control door is prior art, so the structure is not described again.
Can place the oven near film rolling department, let the film can pass through the oven when the rolling to can dry.
The support is made of light plastic, so that the support can be suspended on the liquid by means of the first air cushion 72, the second air cushion 73, the third air cushion 74 and the fourth air cushion 75.
The top of stock solution box is provided with a liquid inlet door 988, can pour into the stock solution box through liquid inlet door.
The invention has the beneficial effects that: sleeving a substrate layer film on a first rotating roller 3, sleeving the other end of the substrate layer film on a third rotating roller 5, enabling the substrate layer film to be attached to the upper side of a second rotating roller 4, starting a first motor to drive the first rotating roller 3 to rotate, driving the substrate layer film to move towards the direction of the third rotating roller 5 by the first rotating roller 3, starting a second motor to drive the third rotating roller 5 to rotate to roll the film, opening an electric control door 888, enabling a support frame to be suspended on liquid through a first air cushion 72, a second air cushion 73, a third air cushion 74 and a fourth air cushion 75, enabling a rack and a gear of each transmission assembly to be in a meshed state, when liquid in a liquid storage box is reduced, enabling the support frame to move downwards along with the reduction of the liquid level in the liquid storage box, and enabling the first gear and the second gear to rotate when encountering the rack, and when the first gear and the second gear reach between two tooth groups, because there is not the hindrance of tooth, first gear and second gear can be the reversal under the effect of torsional spring and reset, because of the existence of elastic potential energy, elastic plastic board 802 can be after getting back to reset and continue to rotate half a circle until elastic plastic board 802 keeps away from the one end of pivot 801 towards the liquid outlet, elastic plastic board 802 is to the lateral wall contact with the stock solution chamber earlier this moment, thereby it assembles to promote remaining liquid on the lateral wall in rotatory, then when rotatory to the position towards the liquid outlet along with elastic plastic board 802, the remaining liquid that is assembled can be got rid of whole solution again, can use a certain amount of solution elastic plastic board 802 once of whipping like this, thereby can obtain effective utilization with solution.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (6)
1. A preparation method of an antibacterial high-barrier easy-to-tear film is characterized by comprising the following steps:
step a, preparing a base material layer:
mixing PA6 and MXD6 in a mixer in proportion, mixing the obtained mixture with nano inorganic salt, a mouth-opening agent and a slipping agent in proportion, and performing melt blending, extrusion and granulation by a double-screw extruder to obtain nano easily-torn master batch for later use;
melting, blending, extruding and granulating MXD6 and the nano inorganic salt by a double-screw extruder according to a proportion to obtain nano barrier master batches for later use;
thirdly, respectively putting the master batches obtained in the step one into two auxiliary machines to manufacture a layer A and a layer C; putting the master batch obtained in the second step into a host to manufacture a layer B;
fourthly, the layers in the third step are subjected to melt co-extrusion and sheet casting to obtain a thick sheet consisting of A, B, C layers;
fifthly, humidifying the thick sheet obtained in the fourth step by a water tank, and then performing synchronous biaxial stretching and shaping;
sixthly, performing corona treatment on the film C layer obtained in the fifth step, and then rolling and cutting the film C layer for standby;
step b, unreeling the substrate layer film prepared in the step a, firstly coating a primer on one side of the corona treatment by using a first coating device, then drying the film in an oven, then coating the prepared barrier antibacterial coating liquid by using a second coating device, finally drying in the oven, and rolling for later use;
step c, compounding the film obtained in the step b with PE through an adhesive, and curing for 48 hours at 45 ℃ to obtain an antibacterial high-barrier easy-to-tear composite film;
the first coating device in the step b comprises a first vertical plate (1), a second vertical plate (2), a first motor, a second motor, a first rotating roller (3), a second rotating roller (4), a third rotating roller (5), a liquid storage box (6) and a swinging mechanism (7), wherein the first motor and the second motor are positioned inside the first vertical plate (1), the first rotating roller (3), the second rotating roller (4) and the third rotating roller (5) are positioned between the first vertical plate (1) and the second vertical plate (2), the output end of the first motor is fixedly connected with one end of the first rotating roller (3), the other end of the first rotating roller (3) is rotatably connected with the second vertical plate (2), one end of the second rotating roller (4) is rotatably connected with the first vertical plate (1), the other end of the second rotating roller (4) is rotationally connected with the second vertical plate (2), the output end of the second motor is fixedly connected with one end of the third rotating roller (5), the other end of the third rotating roller (5) is rotationally connected with the second vertical plate (2), the second rotating roller (4) is located between the first rotating roller (3) and the third rotating roller (5), the liquid storage box (6) is fixedly arranged between the first vertical plate (1) and the second vertical plate (2), the liquid storage box (6) is provided with an inner cavity (61) and a liquid outlet (62), the liquid outlet (62) is positioned at the bottom of the liquid storage box (6), the liquid outlet (62) is positioned at the lower side of the inner cavity (61), the inner cavity (61) is communicated with the liquid outlet (62), and the throwing mechanism (7) is positioned in the inner cavity (61).
2. The preparation method of the antibacterial high-barrier easy-to-tear film as claimed in claim 1, is characterized in that: the swing mechanism (7) comprises a support frame (71), a first air cushion (72), a second air cushion (73), a third air cushion (74), a fourth air cushion (75), a first transmission component (76), a second transmission component (77), a third transmission component (78), a fourth transmission component (79), a first swing component (80), a second swing component (81), a third swing component (82) and a fourth swing component (83), wherein the support frame (71) is provided with a first side surface (710), a second side surface (711), a third side surface (712) and a fourth side surface (713), the first side surface (710) is positioned at the left side of the support frame (71), the second side surface (711) is positioned at the right side of the support frame (71), the third side surface (712) is positioned at the front side of the support frame (71), and the fourth side surface (713) is positioned at the rear side of the support frame (71), the first swing assembly (80) is located on the side of the first side surface (710), the second swing assembly (81) is located on the side of the second side surface (711), the third swing assembly (82) is located on the third side (712), the fourth swing assembly (83) is located on the fourth side (713), the first air cushion (72), the second air cushion (73), the third air cushion (74) and the fourth air cushion (75) are positioned at the bottom of the four corners of the support frame (71), the first transmission assembly (76) is positioned on the front and rear sides of the first whippen assembly (80), the second transmission assembly (77) is positioned at the front and rear sides of the second swing assembly (81), the third transmission assembly (78) is positioned at the left and right sides of the third whippen assembly (82), the fourth transmission assembly (79) is located on the left and right sides of the fourth whippen assembly (83).
3. The preparation method of the antibacterial high-barrier easy-to-tear film as claimed in claim 2, wherein the preparation method comprises the following steps: the support bracket (71) further comprises a fourth side surface (714) and a sixth side surface (715), the fourth side surface (714) and the sixth side surface (715) are respectively located at the front side and the rear side of the side where the first side surface (710) is located, the fourth side surface (714) is opposite to the sixth side surface (715), the first swinging component (80) comprises a rotating shaft (801), an elastic plastic plate (802) and a torsion spring, in an initial state, the elastic plastic plate (802) is positioned on the upper side of the rotating shaft (801), the torsion spring is sleeved on the rotating shaft (801), one end of the torsion spring is fixedly arranged on the fourth side surface (714), the other end of the torsion spring is fixedly arranged on the rotating shaft (801), the liquid storage box (6) comprises a peripheral wall (601) forming an inner cavity (61), the width of the elastic plastic plate (802) is larger than the distance from the rotating shaft (801) to the peripheral wall (601).
4. The first coating apparatus as set forth in claim 3 for carrying out the above claim (1), characterized in that: the supporting frame (71) further comprises a seventh side surface (720) and an eighth side surface, the seventh side surface (720) is located at the rear side of the first side surface (710), the eighth side surface is located at the front side of the first side surface (710), the first transmission assembly (76) comprises a first gear (761), a second gear and two racks (763), one end of the rotating shaft (801) penetrates through the seventh side surface (720) and is fixedly provided with the first gear (761), the other end of the rotating shaft (801) penetrates through the eighth side surface and is fixedly provided with the second gear, one of the racks (763) is located between the peripheral wall (601) and the first gear (761) and is arranged along the height direction of the liquid storage box (6), the other rack (763) is located between the peripheral wall (601) and the second gear and is arranged along the height direction of the liquid storage box (6), the rack (763) comprises a plurality of tooth groups (900) arranged along the height direction of the liquid storage box (6), an interval (901) is formed between every two tooth groups (900), each tooth group (900) comprises four teeth, and the distance from the top to the bottom of the interval (901) along the height direction of the liquid storage box (6) is the width of two teeth.
5. The preparation method of the antibacterial high-barrier easy-to-tear film as claimed in claim 4, wherein the preparation method comprises the following steps: the width of the elastic plastic plate (802) is three times of the distance from the rotating shaft (801) to the peripheral wall (601).
6. The preparation method of the antibacterial high-barrier easy-to-tear film as claimed in claim 5, wherein the preparation method comprises the following steps: the liquid outlet (62) is positioned in the middle of the bottom wall of the liquid storage box (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111640452.2A CN114379185B (en) | 2021-12-29 | 2021-12-29 | Preparation method of antibacterial high-barrier easy-to-tear film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111640452.2A CN114379185B (en) | 2021-12-29 | 2021-12-29 | Preparation method of antibacterial high-barrier easy-to-tear film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114379185A true CN114379185A (en) | 2022-04-22 |
| CN114379185B CN114379185B (en) | 2022-09-20 |
Family
ID=81200038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111640452.2A Active CN114379185B (en) | 2021-12-29 | 2021-12-29 | Preparation method of antibacterial high-barrier easy-to-tear film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114379185B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB411900A (en) * | 1931-12-14 | 1934-06-14 | Clinton Starin Robison | Improvements in continuous rotary filters |
| CN109253619A (en) * | 2018-09-27 | 2019-01-22 | 绵阳晶凯圣生物科技有限公司 | A kind of rotary-type collection raffinate device |
| CN109774281A (en) * | 2019-03-25 | 2019-05-21 | 厦门长塑实业有限公司 | A kind of antimicrobial form high-barrier easily tears composite membrane and preparation method thereof |
| CN210252887U (en) * | 2019-06-04 | 2020-04-07 | 嵊州市天佑丝绸整业有限公司 | Cloth coating device |
| CN212493673U (en) * | 2020-04-24 | 2021-02-09 | 思立科（江西）新材料有限公司 | Novel coating machine convenient to clean |
-
2021
- 2021-12-29 CN CN202111640452.2A patent/CN114379185B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB411900A (en) * | 1931-12-14 | 1934-06-14 | Clinton Starin Robison | Improvements in continuous rotary filters |
| CN109253619A (en) * | 2018-09-27 | 2019-01-22 | 绵阳晶凯圣生物科技有限公司 | A kind of rotary-type collection raffinate device |
| CN109774281A (en) * | 2019-03-25 | 2019-05-21 | 厦门长塑实业有限公司 | A kind of antimicrobial form high-barrier easily tears composite membrane and preparation method thereof |
| CN210252887U (en) * | 2019-06-04 | 2020-04-07 | 嵊州市天佑丝绸整业有限公司 | Cloth coating device |
| CN212493673U (en) * | 2020-04-24 | 2021-02-09 | 思立科（江西）新材料有限公司 | Novel coating machine convenient to clean |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114379185B (en) | 2022-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114379185B (en) | Preparation method of antibacterial high-barrier easy-to-tear film | |
| CN112497575A (en) | Degradable plastic film recycling method | |
| CN110860412A (en) | Uniform painting device and painting method for processing composite steel plate | |
| CN111909614B (en) | Production equipment of antibacterial electrostatic spraying powder | |
| CN218054248U (en) | EPE material feeding device for producing mobile phone film packaging bags | |
| CN111389690B (en) | Thermoplastic composite film and production process thereof | |
| CN219095974U (en) | Double-layer co-extrusion film preparation equipment and swelling adhesive tape prepared from double-layer co-extrusion film preparation equipment | |
| CN209438899U (en) | A kind of BOPP laser film production back coating device | |
| CN219252602U (en) | Decorative film processing solvent recovery device | |
| CN216570832U (en) | Production capsule machine for tablet | |
| CN216295343U (en) | Filter equipment is used in water proof coating production | |
| CN216182792U (en) | Rotary film laminating device for plastic pipes | |
| CN215744589U (en) | Fluidized bed plastic dipping device for metal component | |
| CN216031884U (en) | Feeding device of forming machine | |
| CN214298340U (en) | Insulating film loading attachment | |
| CN214872001U (en) | Extruder for processing thin film | |
| CN216832107U (en) | Extruder is used in production of biodegradable PVC sheet of environmental protection | |
| CN215969595U (en) | Waste recovery device for PE film processing | |
| CN218966425U (en) | Printing and drying integrated machine for packaging bag film | |
| CN217962193U (en) | A multidirectional flow compounding device for environmental protection coating production | |
| CN216465558U (en) | Plastic course raw materials for production softens with stoving device | |
| CN217648896U (en) | Novel plastic flooring production line platform system | |
| CN114571702B (en) | Plastic masterbatch processing and preparing system | |
| CN218477100U (en) | Double-screw extruder for powder coating production | |
| CN213500727U (en) | Anti-blocking feeding device for wood-plastic wallboard die |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |