CN114907653A - Reflective PVC film and preparation method thereof - Google Patents

Reflective PVC film and preparation method thereof Download PDF

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Publication number
CN114907653A
CN114907653A CN202210479990.6A CN202210479990A CN114907653A CN 114907653 A CN114907653 A CN 114907653A CN 202210479990 A CN202210479990 A CN 202210479990A CN 114907653 A CN114907653 A CN 114907653A
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parts
fixedly connected
pvc film
side wall
reflective
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翟建跃
郭灿灿
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Zhejiang Jucheng New Material Co ltd
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Zhejiang Jucheng New Material Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
    • 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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/004—Reflecting paints; Signal paints
    • 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
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2475/04—Polyurethanes
    • C08J2475/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • 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
    • C08K3/16—Halogen-containing 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
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/52—PV systems with concentrators

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The invention discloses a preparation method of a reflective PVC film, which comprises the following steps: s1, mixing 76-84 parts of PVC resin powder, 3-5 parts of plasticizer, 3-5 parts of stabilizer, 2-4 parts of processing aid, 4-6 parts of phosphite antioxidant and 4 parts of cuprous iodide to obtain a mixture; s2, sequentially passing the mixture through a stirring device, a plasticizing machine and an extrusion forming device, and sequentially carrying out uniform mixing, plasticizing and extrusion forming processes to obtain the PVC film; s3, spraying a layer of reflective paint on the surface of the PVC film; and S4, coating the reflective paint on the outer side of the PVC film by using the solution containing the urethane (methyl) acrylate polymer to obtain the reflective PVC film. According to the invention, phosphate antioxidant and cuprous iodide are added and uniformly mixed in PVC, the phosphate antioxidant has excellent oxidation and yellowing resistance, and the cuprous iodide has good temperature resistance, so that the risk of thermal deformation of PVC in high temperature is greatly reduced.

Description

Reflective PVC film and preparation method thereof
Technical Field
The invention relates to the technical field of PVC film preparation, in particular to a reflective PVC film and a preparation method thereof.
Background
In the existing decorating material market, in addition to the requirement of consumers on the appearance of the decorating material, more and more functions are pursued, and the requirement on the material is stricter. At present, the most widely used is PVC film material, including monochromatic film, wood grain-like film, high-sensitivity film, etc.
The existing PVC film can be used in different environments or subjected to various post-treatments in the application process. In many application processes, the PVC film is often exposed to high temperature, and the existing PVC film is easily subjected to thermal deformation and oxidative yellowing under high temperature exposure, so that the quality of the PVC film is influenced.
Disclosure of Invention
The invention provides a reflective PVC film and a preparation method thereof, which aim to solve the problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of a reflective PVC film comprises the following steps:
s1, mixing 76-84 parts of PVC resin powder, 3-5 parts of plasticizer, 3-5 parts of stabilizer, 2-4 parts of processing aid, 4-6 parts of phosphite antioxidant and 4 parts of cuprous iodide to obtain a mixture;
s2, carrying out banburying, plasticizing and calendaring molding on the mixture in sequence to obtain the PVC film;
s3, spraying a layer of reflective paint on the surface of the PVC film;
and S4, coating the reflective paint on the outer side of the PVC film by using the solution containing the urethane (methyl) acrylate polymer to obtain the reflective PVC film.
As a further improvement scheme of the technical scheme: and in the S1, 76 parts of PVC resin powder, 5 parts of plasticizer, 5 parts of stabilizer, 4 parts of processing aid, 6 parts of phosphite antioxidant and 4 parts of cuprous iodide are mixed to obtain a mixture.
As a further improvement scheme of the technical scheme: in the S1, 80 parts of PVC resin powder, 4 parts of plasticizer, 4 parts of stabilizer, 3 parts of processing aid, 5 parts of phosphite antioxidant and 4 parts of cuprous iodide are mixed to obtain a mixture.
As a further improvement scheme of the technical scheme: in the S1, 84 parts of PVC resin powder, 3 parts of plasticizer, 3 parts of stabilizer, 2 parts of processing aid, 4 parts of phosphite antioxidant and 4 parts of cuprous iodide are mixed to obtain a mixture.
As a further improvement scheme of the technical scheme: agitating unit includes the mixing box, a plurality of second support columns of fixedly connected with on the bottom side wall of mixing box, the feed inlet has been seted up to the upside of mixing box, the upside fixedly connected with machine case of mixing box, fixedly connected with second servo motor on the inside bottom side wall of machine case, fixedly connected with montant on second servo motor's the output shaft, the montant runs through the upside of mixing box and extends to the inside of mixing box, a plurality of stirring boards of bottom fixedly connected with of montant, be equipped with the mechanism that turns on the lateral wall of montant, the export has been seted up on the bottom side wall of mixing box, be equipped with the piston in the export, fixedly connected with handle on the lateral wall of piston.
As a further improvement scheme of the technical scheme: the turning mechanism comprises a third bevel gear, two fourth bevel gears are meshed and connected to the side wall of the third bevel gear, a cross rod is fixedly connected to the side wall of each fourth bevel gear, one end of each cross rod is rotatably connected to the inner side wall of the mixing box, two connecting rods are fixedly connected to the side wall of each cross rod, and a turning plate is fixedly connected to one end of each connecting rod.
As a further improvement scheme of the technical scheme: extrusion device includes the bottom plate, a plurality of first support columns of fixedly connected with on the bottom side wall of bottom plate, the bottom plate is connected with two movable plates, two through removing adjustment mechanism two fixed plates of equal fixedly connected with on the relative lateral wall of movable plate, two through connection has the axis of rotation on the fixed plate, the axis of rotation rotates and connects on the lateral wall of two fixed plates, every the one end fixedly connected with second gear of axis of rotation, every the meshing is connected with first gear, every on the second gear lateral wall a first servo motor of fixedly connected with on the lateral wall of first gear, a servo motor fixed connection is on the lateral wall of fixed plate, every in the axis of rotation fixedly connected with recipient.
As a further improvement scheme of the technical scheme: the movable adjusting mechanism comprises two side plates, two fixed connection of the side plates is fixedly connected to the upper side of the bottom plate, two fixed connection of the side plates is formed between the two fixed rods, two movable plates are slidably connected to the two fixed rods, each of the side walls of the side plates is rotatably connected with a threaded rod, each of the threaded rods is connected to the threaded rod through threads, each of the threaded rods is connected to a first helical gear, two of the first helical gears are connected to a second helical gear in a meshed mode, a rotating rod is fixedly connected to the side wall of the second helical gear and is connected to the side wall of the bottom plate in a rotating mode through a bearing, the outer ring of the bearing is fixedly connected to the side wall of the bottom plate, the rotating rod is fixedly connected to the inner ring of the bearing, and the bottom end of the rotating rod is fixedly connected with a rotating plate.
As a further improvement scheme of the technical scheme: the thickness of the reflective PVC film prepared by the method is 0.25-0.35 mm.
The reflective PVC film is prepared by adopting the preparation method.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, phosphate antioxidant and cuprous iodide are added and uniformly mixed in PVC, the phosphate antioxidant has excellent oxidation and yellowing resistance, and the cuprous iodide has good temperature resistance, so that the risk of thermal deformation of PVC in high temperature is greatly reduced.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic flow chart of a reflective PVC film and a preparation method thereof according to the present invention;
FIG. 2 is a comparison table of temperature resistance tests of reflective PVC films prepared in examples and comparative examples of the present invention;
FIG. 3 is a schematic top view of an extrusion molding apparatus for a reflective PVC film and a method for manufacturing the same according to the present invention;
FIG. 4 is a schematic side sectional view of an extrusion molding apparatus for a reflective PVC film and a method for manufacturing the same according to the present invention;
fig. 5 is a schematic side sectional structural view of a stirring device in the reflective PVC film and the preparation method thereof according to the present invention.
Fig. 6 is a schematic view of a connection structure between a connection rod and a fourth bevel gear in the reflective PVC film and the method for manufacturing the same according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a threaded rod; 2. a first helical gear; 3. rotating the plate; 4. rotating the rod; 5. a bearing; 6. a second helical gear; 7. fixing the rod; 8. a rotating shaft; 9. a fixing plate; 10. an extrusion cylinder; 11. moving the plate; 12. a side plate; 13. a base plate; 14. a first support column; 15. a first gear; 16. a first servo motor; 17. a second gear; 18. a second support column; 19. a piston; 20. a handle; 21. an outlet; 22. a stirring plate; 23. a vertical rod; 24. turning the plate; 25. a connecting rod; 26. a cross bar; 27. a mixing box; 28. a third bevel gear; 29. a fourth helical gear; 30. a feed inlet; 31. a chassis; 32. a second servo motor.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
A preparation method of a reflective PVC film comprises the following steps:
s1, mixing 76 parts of PVC resin powder, 5 parts of plasticizer, 5 parts of stabilizer, 4 parts of processing aid, 6 parts of phosphite antioxidant and 4 parts of cuprous iodide to obtain a mixture;
s2, carrying out banburying, plasticizing and calendaring molding on the mixture in sequence to obtain the PVC film;
s3, spraying a layer of reflective paint on the surface of the PVC film;
and S4, coating the reflective paint on the outer side of the PVC film by using the solution containing the urethane (methyl) acrylate polymer to obtain the reflective PVC film.
Specifically, the stirring device comprises a mixing box 27, a plurality of second supporting columns 18 are fixedly connected to the bottom side wall of the mixing box 27, a feed inlet 30 is formed in the upper side of the mixing box 27, a case 31 is fixedly connected to the upper side of the mixing box 27, a second servo motor 32 is fixedly connected to the inner bottom side wall of the case 31, a vertical rod 23 is fixedly connected to an output shaft of the second servo motor 32, the vertical rod 23 penetrates through the upper side of the mixing box 27 and extends into the mixing box 27, a plurality of stirring plates 22 are fixedly connected to the bottom end of the vertical rod 23, a stirring mechanism is arranged on the side wall of the vertical rod 23, the stirring mechanism comprises a third bevel gear 28, two fourth bevel gears 29 are meshed and connected to the side wall of the third bevel gear 28, a cross rod 26 is fixedly connected to the side wall of each fourth bevel gear 29, one end of each cross rod 26 is rotatably connected to the inner side wall of the mixing box 27, two connecting rods 25 are fixedly connected to the side wall of each cross rod 26, one end fixedly connected with of every connecting rod 25 turns over board 24, the export 21 has been seted up on the bottom side wall of mixing box 27, be equipped with piston 19 in the export 21, fixedly connected with handle 20 on the lateral wall of piston 19, after putting into mixing box 27 with the mixture from feed inlet 30 in, restart second servo motor 32 drives montant 23 and rotates, montant 23 rotates and to drive a plurality of stirring boards 22 in bottom and rotate, carry out the flash mixed stirring with the mixture, montant 23 accessible third helical gear 28 and fourth helical gear 29 drive horizontal pole 26 and rotate simultaneously, every horizontal pole 26 rotates accessible connecting rod 25 and drives and turn over board 24 and rotate, turn over board 24 and use horizontal pole 26 to rotate as the axle center and can turn over the mixture from top to bottom, and then make the mixture mix more evenly.
Specifically, the extrusion forming device comprises a bottom plate 13, a plurality of first supporting columns 14 are fixedly connected to the bottom side wall of the bottom plate 13, the bottom plate 13 is connected with two moving plates 11 through a moving adjusting mechanism, two fixing plates 9 are fixedly connected to one side wall opposite to the two moving plates 11, rotating shafts 8 are connected to the two fixing plates 9 in a penetrating manner, extrusion cylinders 10 are fixedly connected to the rotating shafts 8, the rotating shafts 8 are rotatably connected to the side walls of the two fixing plates 9, one end of each rotating shaft 8 is fixedly connected with a second gear 17, a first gear 15 is engaged and connected to the side wall of each second gear 17, a first servo motor 16 is fixedly connected to the side wall of each first gear 15, the first servo motor 16 is fixedly connected to the side wall of the fixing plate 9, the moving adjusting mechanism comprises two side plates 12, and the two side plates 12 are both fixedly connected to the upper side of the bottom plate 13, two fixing rods 7 are fixedly connected between two side plates 12, two moving plates 11 are slidably connected on the two fixing rods 7, a threaded rod 1 is rotatably connected on the side wall of each side plate 12, each moving plate 11 is in threaded connection with the threaded rod 1, one end of each threaded rod 1 is fixedly connected with a first helical gear 2, a second helical gear 6 is meshed and connected between the two first helical gears 2, a rotating rod 4 is fixedly connected on the side wall of the second helical gear 6, the rotating rod 4 is rotatably connected on the side wall of a bottom plate 13 through a bearing 5, the outer ring of the bearing 5 is fixedly connected on the side wall of the bottom plate 13, the rotating rod 4 is fixedly connected on the inner ring of the bearing 5, a rotating plate 3 is fixedly connected at the bottom end of the rotating rod 4, two first servo motors 16 are started, each servo motor 16 can drive an extrusion cylinder 10 on a rotating shaft 8 to rotate through a second gear 17 and a first gear 15, and then two first servo motor 16 of accessible drive two squeeze tubes 10 relative rotation, when the plastify raw materials extruded by the plasticator enters into between two squeeze tubes 10, can extrude the plastify raw materials according to the distance between two squeeze tubes 10, be the PVC membrane of needs thickness with the extrusion of plastify raw materials, when the distance between two squeeze tubes 10 is adjusted to needs, accessible commentaries on classics board 3 rotates dwang 4, dwang 4 rethread second helical gear 6 and first helical gear 2 drive threaded rod 1 and rotate, every threaded rod 1 rotates and can drive movable plate 11 and move, and then can drive two squeeze tubes 10 and control relative movement, adjust the distance between two squeeze tubes 10.
Finally, the thickness of the prepared reflective PVC film is 0.25-0.35 mm.
Example 2
A preparation method of a reflective PVC film comprises the following steps:
s1, mixing 80 parts of PVC resin powder, 4 parts of plasticizer, 4 parts of stabilizer, 3 parts of processing aid, 5 parts of phosphite antioxidant and 4 parts of cuprous iodide to obtain a mixture;
s2, carrying out banburying, plasticizing and calendaring molding on the mixture in sequence to obtain the PVC film;
s3, spraying a layer of reflective paint on the surface of the PVC film;
and S4, coating the reflective paint on the outer side of the PVC film by using the solution containing the urethane (methyl) acrylate polymer to obtain the reflective PVC film.
Finally, the thickness of the prepared reflective PVC film is 0.25-0.35 mm.
Example 3
A preparation method of a reflective PVC film comprises the following steps:
s1, mixing 84 parts of PVC resin powder, 3 parts of plasticizer, 3 parts of stabilizer, 2 parts of processing aid, 4 parts of phosphite antioxidant and 4 parts of cuprous iodide to obtain a mixture;
s2, carrying out banburying, plasticizing and calendaring molding on the mixture in sequence to obtain the PVC film;
s3, spraying a layer of reflective paint on the surface of the PVC film;
and S4, coating the reflective paint on the outer side of the PVC film by using the solution containing the urethane (methyl) acrylate polymer to obtain the reflective PVC film.
Finally, the thickness of the prepared reflective PVC film is 0.25-0.35mm
Comparative example 1
A preparation method of a reflective PVC film comprises the following steps:
s1, mixing 76 parts of PVC resin powder, 5 parts of plasticizer, 5 parts of stabilizer and 4 parts of processing aid to obtain a mixture;
s2, carrying out banburying, plasticizing and calendaring molding on the mixture in sequence to obtain the PVC film;
s3, spraying a layer of reflective paint on the surface of the PVC film;
and S4, coating the reflective paint on the outer side of the PVC film by using the solution containing the urethane (methyl) acrylate polymer to obtain the reflective PVC film.
Finally, the thickness of the prepared reflective PVC film is 0.25-0.35 mm.
Comparative example 2
A preparation method of a reflective PVC film comprises the following steps:
s1, mixing 80 parts of PVC resin powder, 4 parts of plasticizer, 4 parts of stabilizer and 3 parts of processing aid to obtain a mixture;
s2, carrying out banburying, plasticizing and calendaring molding on the mixture in sequence to obtain the PVC film;
s3, spraying a layer of reflective paint on the surface of the PVC film;
and S4, coating the reflective paint on the outer side of the PVC film by using the solution containing the urethane (methyl) acrylate polymer to obtain the reflective PVC film.
Finally, the thickness of the prepared reflective PVC film is 0.25-0.35 mm.
Comparative example 3
A preparation method of a reflective PVC film comprises the following steps:
s1, mixing 84 parts of PVC resin powder, 3 parts of plasticizer, 3 parts of stabilizer and 2 parts of processing aid to obtain a mixture;
s2, carrying out banburying, plasticizing and calendaring molding on the mixture in sequence to obtain the PVC film;
s3, spraying a layer of reflective paint on the surface of the PVC film;
and S4, coating the reflective paint on the outer side of the PVC film by using the solution containing the urethane (methyl) acrylate polymer to obtain the reflective PVC film.
And finally, the thickness of the prepared reflective PVC film is 0.25-0.35 mm.
In which comparative examples 1 to 3 were films prepared without adding a phosphate antioxidant and cuprous iodide, and the remaining examples 1 to 3 were the same as the preparation method.
And (3) detection: the temperature resistance of the reflective PVC films prepared in the examples and the comparative examples is detected, and the detection results are shown in Table 1
Figure BDA0003627191800000091
Attached: the magnitude of + amount represents the severity of the occurrence of the corresponding phenomenon.
As can be seen from the performance test results of the embodiments 1 to 3 and the comparative examples 1 to 3, the embodiments of the present invention achieve the following technical effects: by adding the phosphate antioxidant and the cuprous iodide and uniformly mixing the phosphate antioxidant and the cuprous iodide in the PVC, the phosphate antioxidant has excellent oxidation resistance and yellowing resistance, and the cuprous iodide has good temperature resistance, so that the risk of thermal deformation of the PVC in high temperature is greatly reduced.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; one of ordinary skill in the art will readily appreciate from the disclosure that the present invention can be practiced as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims (10)

1. The preparation method of the reflective PVC film is characterized by comprising the following steps:
s1, mixing 76-84 parts of PVC resin powder, 3-5 parts of plasticizer, 3-5 parts of stabilizer, 2-4 parts of processing aid, 4-6 parts of phosphite antioxidant and 4 parts of cuprous iodide to obtain a mixture;
s2, sequentially passing the mixture through a stirring device, a plasticizing machine and an extrusion forming device, and sequentially carrying out uniform mixing, plasticizing and extrusion forming processes to obtain the PVC film;
s3, spraying a layer of reflective paint on the surface of the PVC film;
and S4, coating the reflective paint on the outer side of the PVC film by using the solution containing the urethane (methyl) acrylate polymer to obtain the reflective PVC film.
2. The method of claim 1, wherein in the step S1, 76 parts of PVC resin powder, 5 parts of plasticizer, 5 parts of stabilizer, 4 parts of processing aid, 6 parts of phosphite antioxidant and 4 parts of cuprous iodide are mixed to obtain a mixture.
3. The method of claim 1, wherein in the step S1, 80 parts of PVC resin powder, 4 parts of plasticizer, 4 parts of stabilizer, 3 parts of processing aid, 5 parts of phosphite antioxidant and 4 parts of cuprous iodide are mixed to obtain a mixture.
4. The method of claim 1, wherein in the step S1, 84 parts of PVC resin powder, 3 parts of plasticizer, 3 parts of stabilizer, 2 parts of processing aid, 4 parts of phosphite antioxidant and 4 parts of cuprous iodide are mixed to obtain a mixture.
5. The preparation method of the reflective PVC film according to claim 1, wherein the stirring device comprises a mixing box (27), the bottom side wall of the mixing box (27) is fixedly connected with a plurality of second supporting columns (18), the upper side of the mixing box (27) is provided with a feeding port (30), the upper side of the mixing box (27) is fixedly connected with a case (31), the inner bottom side wall of the case (31) is fixedly connected with a second servo motor (32), the output shaft of the second servo motor (32) is fixedly connected with a vertical rod (23), the vertical rod (23) penetrates through the upper side of the mixing box (27) and extends into the mixing box (27), the bottom end of the vertical rod (23) is fixedly connected with a plurality of stirring plates (22), the side wall of the vertical rod (23) is provided with a turning mechanism, the bottom side wall of the mixing box (27) is provided with an outlet (21), a piston (19) is arranged in the outlet (21), and a handle (20) is fixedly connected to the side wall of the piston (19).
6. The preparation method of the reflective PVC film according to claim 5, wherein the flipping mechanism comprises a third bevel gear (28), the side wall of the third bevel gear (28) is engaged and connected with two fourth bevel gears (29), the side wall of each fourth bevel gear (29) is fixedly connected with a cross bar (26), one end of each cross bar (26) is rotatably connected to the inner side wall of the mixing box (27), the side wall of each cross bar (26) is fixedly connected with two connecting rods (25), and one end of each connecting rod (25) is fixedly connected with a flipping plate (24).
7. The preparation method of the reflective PVC film according to claim 1, wherein the extrusion molding device comprises a bottom plate (13), a plurality of first supporting columns (14) are fixedly connected to the bottom side wall of the bottom plate (13), the bottom plate (13) is connected with two moving plates (11) through a movement adjusting mechanism, two fixed plates (9) are fixedly connected to one side wall of each of the two moving plates (11), a rotating shaft (8) is connected to the two fixed plates (9) in a penetrating manner, the rotating shaft (8) is rotatably connected to the side walls of the two fixed plates (9), one end of each rotating shaft (8) is fixedly connected with a second gear (17), a first gear (15) is engaged and connected to the side wall of each second gear (17), and a first servo motor (16) is fixedly connected to the side wall of each first gear (15), the first servo motor (16) is fixedly connected to the side wall of the fixing plate (9), and each rotating shaft (8) is fixedly connected with an extrusion container (10).
8. The preparation method of the reflective PVC film according to claim 7, wherein the movement adjusting mechanism comprises two side plates (12), both side plates (12) are fixedly connected to the upper side of the bottom plate (13), two fixing rods (7) are fixedly connected between the two side plates (12), two moving plates (11) are slidably connected to the two fixing rods (7), a threaded rod (1) is rotatably connected to the side wall of each side plate (12), each moving plate (11) is in threaded connection with the threaded rod (1), one end of each threaded rod (1) is fixedly connected with a first helical gear (2), a second helical gear (6) is engaged and connected between the two first helical gears (2), a rotating rod (4) is fixedly connected to the side wall of the second helical gear (6), and the rotating rod (4) is rotatably connected to the side wall of the bottom plate (13) through a bearing (5), the outer lane fixed connection of bearing (5) is on the lateral wall of bottom plate (13), dwang (4) fixed connection is at the inner circle of bearing (5), the bottom fixedly connected with commentaries on classics board (3) of dwang (4).
9. The method of claim 1, wherein the thickness of the reflective PVC film is 0.25-0.35 mm.
10. A reflective PVC film, characterized in that it is produced by the production method as claimed in any one of claims 1 to 9.
CN202210479990.6A 2022-05-05 2022-05-05 Reflective PVC film and preparation method thereof Pending CN114907653A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107955288A (en) * 2017-10-30 2018-04-24 安徽天安新材料有限公司 The preparation method and solvent resistant PVC film of PVC film
CN108864617A (en) * 2018-07-24 2018-11-23 苏州环亚软管塑业有限公司 A kind of preparation method of stretch-proof plastic hose
CN209257258U (en) * 2018-12-07 2019-08-16 温州大小包装有限公司 A kind of Polywoven Bag production efficient mixing arrangement of materials
CN111363442A (en) * 2018-12-25 2020-07-03 洛阳尖端技术研究院 Coating resin solution, reflective film, preparation method and application thereof
CN112171933A (en) * 2020-09-16 2021-01-05 合肥市丽红塑胶材料有限公司 Many material mixing device are used in masterbatch production
CN112391012A (en) * 2019-08-16 2021-02-23 广东森科塑木实业有限公司 Novel material for wood-plastic door pocket plate
CN113881159A (en) * 2021-09-14 2022-01-04 广东机电职业技术学院 PVC film

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107955288A (en) * 2017-10-30 2018-04-24 安徽天安新材料有限公司 The preparation method and solvent resistant PVC film of PVC film
CN108864617A (en) * 2018-07-24 2018-11-23 苏州环亚软管塑业有限公司 A kind of preparation method of stretch-proof plastic hose
CN209257258U (en) * 2018-12-07 2019-08-16 温州大小包装有限公司 A kind of Polywoven Bag production efficient mixing arrangement of materials
CN111363442A (en) * 2018-12-25 2020-07-03 洛阳尖端技术研究院 Coating resin solution, reflective film, preparation method and application thereof
CN112391012A (en) * 2019-08-16 2021-02-23 广东森科塑木实业有限公司 Novel material for wood-plastic door pocket plate
CN112171933A (en) * 2020-09-16 2021-01-05 合肥市丽红塑胶材料有限公司 Many material mixing device are used in masterbatch production
CN113881159A (en) * 2021-09-14 2022-01-04 广东机电职业技术学院 PVC film

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Application publication date: 20220816