CN112248590A - Single-sided light weather-proof printable and inkjet-paintable PVC label film, production process and matched production line - Google Patents
Single-sided light weather-proof printable and inkjet-paintable PVC label film, production process and matched production line Download PDFInfo
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- CN112248590A CN112248590A CN202011088868.3A CN202011088868A CN112248590A CN 112248590 A CN112248590 A CN 112248590A CN 202011088868 A CN202011088868 A CN 202011088868A CN 112248590 A CN112248590 A CN 112248590A
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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
- B32B27/06—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
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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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
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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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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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
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
- B41M5/504—Backcoats
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
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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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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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
- 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
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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
- C08J2433/00—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/06—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2433/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2433/12—Homopolymers or copolymers of methyl methacrylate
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Abstract
The invention discloses a single-sided light weather-proof printable and air-painted PVC label film, a production process and a matched production line, wherein the single-sided light weather-proof printable and air-painted PVC label film comprises a printing film and a covering film, the printing film is attached to the covering film, and the covering film comprises 80 parts by mass of PVC resin, 1-5 parts by mass of organic tin stabilizer, 3 parts by mass of plasticizer, 10-15 parts by mass of UV resin, 1-5 parts by mass of toughening agent and 0.5 part by mass of lubricant; by adopting the preparation of the mirror wheel and the fine rubber wheel, the glossiness of the surface of the product is improved to 75GU from the original 60GU, the brightness characteristic of a printed label film is achieved, the good ink absorption effect of a spray-painting film is achieved, and the application categories of the product are increased; by applying the PVC product shrinkage adjustment technology, the product dyne value meets more than 34 dynes of the market demand, the adsorption capacity to ink is improved, and the picture is clear and does not fade.
Description
Technical Field
The invention relates to the technical field of plastic processing, in particular to a single-sided light weather-proof printable and inkjet-paintable PVC label film, a production process and a matched production line.
Background
The present invention relates to a label for goods, and more particularly to a label for goods, which has a long time in industrial society, and is classified into various kinds, wherein the existing label is a plastic label, wherein a label film is an important mark on goods and is used for identifying goods, and the label film is made of PE raw material, and generally is printed with various pattern information and trademarks after being glued and backed with backing paper, and the printed pattern has the problems of unclear pattern, deinking, long time and easy discoloration, and product use influence.
Disclosure of Invention
The invention aims to solve the problems, designs a single-sided light weather-proof printable and air-brushing PVC label film, a production process and a matched production line, and solves the problems that the existing label film adopts PE raw materials, various pattern information and trademarks are generally printed and processed after being glued and pasted with backing paper, the printed patterns have unclear patterns, the deinking phenomenon is long, the time is long, the color is easy to change, and the use of the product is influenced.
The technical scheme of the invention for realizing the aim is as follows: the PVC label film comprises a printing film and a covering film, wherein the printing film is attached to the covering film, the covering film comprises, by mass, 80 parts of PVC resin, 1-5 parts of organic tin stabilizer, 3 parts of plasticizer, 10-15 parts of UV resin, 1-5 parts of flexibilizer and 0.5 part of lubricant, and the printing film comprises, by mass, 30-40 parts of PVC resin, 30-50 parts of PE resin, 3 parts of organic tin stabilizer, 5 parts of plasticizer, 1.5 parts of acrylic acid, 5 parts of polymethyl methacrylate, 2.5 parts of processing aid, 5 parts of flexibilizer, 1 part of lubricant and 3-5 parts of butyl acrylate.
In the components of the printing film, the processing aid is a transparent agent, and preferably xylene is adopted.
The amount of PE resin in the printed film is preferably set between 35 and 45.
A production process of a single-sided light weather-resistant printable and inkjet-paintable PVC label film comprises the following steps: s1, screening and preparing materials, S2, stirring and mixing materials, S3, feeding, forming and filtering, S4, calendaring and forming, S5, embossing, S6, cooling, and S7, and coiling;
step S1: respectively sieving the selected PVC resin, PE resin, organic tin stabilizer, plasticizer, acrylic acid, polymethyl methacrylate, processing aid, toughening agent, lubricant and butyl acrylate, and then weighing;
step S2: pouring the dry materials in the step S1 into a mixer for high-speed stirring, controlling the temperature of the mixer at 110 ℃, the stirring speed at 480r/S and the stirring time at 0.5h, and performing low-speed cold stirring for 10min after the high-speed stirring is finished;
step S3: pouring the dry mixture obtained in the step S2 into a feeding hopper of a planetary machine, forming the mixture through a rolling machine, and then putting the mixture into a filter for filtering;
step S4: putting the primary product obtained in the step S3 into a calender for further calendering and molding to obtain a printing film, and merging the pre-prepared coating film and the printing film into a whole at the front end of the straight section of the calender die head;
step S5: printing the printing film obtained in the step S4 by using an embossing wheel and a rubber wheel;
step S6: passing the printed finished film through a cooling section at the rotating speed of 153m/s and the cooling temperature of 12-20 ℃;
step S7: and winding the finished film by using a winding machine.
In the embossing step in the step S5, the ultra-bright mirror embossing wheel and the rubber wheel with the thickness of 1.5-2.0 μm are used for embossing and molding, so that the surface glossiness of the product reaches more than 75GU and is not dull.
The temperature of the stirrer in the step S2 is preferably controlled to 108 ℃.
A matched production line of a single-sided light weather-resistant printable and air-painted PVC label film comprises a screening machine, a meter, a powder beating machine, a stirring machine, a planetary machine, a rolling wheel machine, a filtering machine, a rolling machine, an embossing machine, a cooling section and a coiling machine, wherein the meter is arranged at the downstream of the screening machine, the powder beating machine is arranged at the downstream of the meter, the stirring machine is arranged at the downstream of the powder beating machine, the planetary machine is arranged at the downstream of the stirring machine, the filtering machine is arranged at the downstream of the planetary machine, the rolling wheel machine is arranged between the planetary machine and the filtering machine, the rolling machine is arranged at the downstream of the filtering machine, a leading wheel is arranged between the embossing machine and the rolling machine, the cooling section;
the embossing machine is provided with an embossing mechanism, and the embossing mechanism consists of a quick disassembly and assembly structure and a roller adjusting structure;
the quick assembly disassembly structure includes: the device comprises a platform, an adjusting frame, a pair of adjusting blocks, a pair of supporting blocks, a pair of fixing blocks, a pair of bolts, a driving motor and an adjusting gear;
be equipped with on the coining mill and pass through the platform, be equipped with the alignment jig on through the platform, the alignment jig both sides are perpendicular to be equipped with a pair of slide rail with the level, and are a pair of the regulating block assembles in a pair of on the slide rail and adjust structural connection with the running roller, and is a pair of be connected with the embossing roller between the regulating block, be equipped with driving motor on the regulating block, be equipped with adjusting gear and embossing roller end meshing on driving motor's the drive end, it is a pair of the regulating block divide into a pair of supporting shoe and a pair of fixed block, and is a pair of the supporting shoe is installed in a pair of on the fixed block, and is a pair of the supporting shoe is with a pair of the fixed block.
A crusher is arranged between the lower stream of the coiler and the stirrer.
The roller wheel adjusting structure comprises: the pair of adjusting seats, the pair of adjusting screws, the pair of adjusting motors, the pair of driven bevel gears and the pair of driving bevel gears;
the adjusting mechanism is characterized in that a pair of adjusting seats are symmetrically arranged on two sides of the top surface of the adjusting frame, a pair of adjusting screw rods are in threaded engagement with the pair of adjusting seats, a pair of adjusting motors are arranged on the top surface of the adjusting frame in a mirror image mode, a pair of driven bevel gears are sleeved outside the pair of adjusting seats, a pair of driving bevel gears and a pair of driven bevel gears are arranged on the pair of adjusting motors and meshed with the pair of driven bevel gears, and the bottom ends of the pair of adjusting screw.
The adjusting frame is of a door-shaped frame structure.
According to the PVC label film manufactured by the technical scheme, through the optimized design of the formula, the weather resistance is improved by two times compared with that of the conventional label film; by adopting the preparation of the mirror wheel and the fine rubber wheel, the glossiness of the surface of the product is improved to 75GU from the original 60GU, the brightness characteristic of a printed label film is achieved, the good ink absorption effect of a spray-painting film is achieved, and the application categories of the product are increased; by applying the PVC product shrinkage adjustment technology, the product dyne value meets more than 34 dynes of the market demand, the adsorption capacity to ink is improved, and the picture is clear and does not fade.
Drawings
FIG. 1 is a schematic connection diagram of a single-sided light weather-resistant printable inkjet PVC label film, a production process and a production line of a matching production line.
FIG. 2 is a process flow chart of the single-sided light weather-resistant printable inkjet PVC label film, the production process and the matched production line.
FIG. 3 is a schematic structural diagram of a single-sided light, weather-resistant, printable and inkjet printed PVC label film, a production process and a matching production line in a front view.
FIG. 4 is a schematic side view of the PVC label film with one-sided light, weather-proof, printable and inkjet printed, the production process and the matching production line.
FIG. 5 is a schematic top view structure diagram of a single-sided light weather-resistant printable inkjet PVC label film, a production process and a matching production line.
In the figure: 1. a screening machine; 2. a meter; 3. pulverizing machine; 4. a blender; 5. a planetary machine; 6. a rolling machine; 7. a filter; 8. a calender; 9. an embossing machine; 10. a cooling section; 11. a coiler; 12. a pulverizer; 901. passing through a platform; 902. an adjusting bracket; 903. a support block; 904. a fixed block; 905. a bolt; 906. a drive motor; 907. an adjusting gear; 908. an adjusting seat; 909. adjusting the screw rod; 9010. adjusting the motor; 9011. a driven bevel gear; 9012. a drive bevel gear.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1-5, the invention provides a single-sided light, weather-proof, printable and inkjet-printable PVC label film, which comprises a printing film and a covering film, wherein the printing film is attached to the covering film, the covering film comprises, by mass, 80 parts of PVC resin, 1-5 parts of organic tin stabilizer, 3 parts of plasticizer, 10-15 parts of UV resin, 1-5 parts of toughener and 0.5 part of lubricant, the printing film comprises, by mass, 30-40 parts of PVC resin, 30-50 parts of PE resin, 3 parts of organic tin stabilizer, 5 parts of plasticizer, 1.5 parts of acrylic acid, 5 parts of polymethyl methacrylate, 2.5 parts of processing aid, 5 parts of toughener, 1 part of lubricant and 3-5 parts of butyl acrylate; in the components in the printing film, the processing aid is a transparent agent, and preferably dimethylbenzene is adopted; the amount of PE resin in the printed film is preferably set between 35 and 45; a production process of a single-sided light weather-resistant printable and inkjet-paintable PVC label film comprises the following steps: s1, screening and preparing materials, S2, stirring and mixing materials, S3, feeding, forming and filtering, S4, calendaring and forming, S5, embossing, S6, cooling, and S7, and coiling; step S1: respectively sieving the selected PVC resin, PE resin, organic tin stabilizer, plasticizer, acrylic acid, polymethyl methacrylate, processing aid, toughening agent, lubricant and butyl acrylate, and then weighing; step S2: pouring the dry materials in the step S1 into a mixer for high-speed stirring, controlling the temperature of a stirrer 4 at 110 ℃, the stirring speed at 480r/S and the stirring time at 0.5h, and performing low-speed cold stirring of 10min after the high-speed stirring is finished; step S3: pouring the dry mixture obtained in the step S2 into a feeding hopper of a planetary machine 5, forming the mixture through a rolling machine 6, and then putting the mixture into a filter 7 for filtering; step S4: putting the primary product obtained in the step S3 into a calender 8 for further calendering and forming to obtain a printing film, and merging the pre-prepared coating film and the printing film into a whole at the front end of the straight section of the die head of the calender 8; step S5: printing the printing film obtained in the step S4 by using an embossing wheel and a rubber wheel; step S6: passing the printed finished film through a cooling section 10, wherein the rotating speed of the cooling section 10 is 153m/s, and the cooling temperature is 12-20 ℃; step S7: winding the finished film by using a winding machine; in the embossing step in the step S5, an ultra-bright mirror embossing wheel and a rubber wheel with the thickness of 1.5-2.0 μm are selected for embossing and molding, so that the surface glossiness of the product reaches more than 75GU and is not dull; the temperature of the stirrer 4 in the step S2 is preferably controlled at 108 ℃; a matched production line of a single-sided light weather-resistant printable and inkjet PVC label film comprises a screening machine 1, a meter 2, a powdering machine 3, a stirring machine 4, a planetary machine 5, a rolling wheel machine 6, a filtering machine 7, a rolling machine 8, an embossing machine 9, a cooling section 10 and a coiling machine 11, wherein the meter 2 is arranged at the downstream of the screening machine 1, the powdering machine 3 is arranged at the downstream of the meter 2, the stirring machine 4 is arranged at the downstream of the powdering machine 3, the planetary machine 5 is arranged at the downstream of the stirring machine 4, the filtering machine 7 is arranged at the downstream of the planetary machine 5, the rolling wheel machine 6 is arranged between the planetary machine 5 and the filtering machine 7, the rolling machine 8 is arranged at the downstream of the filtering machine 7, a guiding wheel is arranged between the embossing machine 9 and the rolling machine 8, the cooling section 10 is arranged at the downstream of the embossing machine; the embossing machine 9 is provided with an embossing machine 9 mechanism, and the embossing machine 9 mechanism consists of a quick disassembly and assembly structure and a roller adjusting structure; the quick assembly disassembly structure includes: the device comprises a platform 901, an adjusting frame 902, a pair of adjusting blocks, a pair of supporting blocks 903, a pair of fixing blocks 904, a pair of bolts 905, a driving motor 906 and an adjusting gear 907; a passing platform 901 is arranged on the embossing machine 9, an adjusting frame 902 is arranged on the passing platform 901, a pair of slide rails is vertically and horizontally arranged on two sides of the adjusting frame 902, a pair of adjusting blocks are assembled on the pair of slide rails and connected with a roller adjusting structure, an embossing roller is connected between the pair of adjusting blocks, a driving motor 906 is arranged on the adjusting blocks, an adjusting gear 907 is arranged at the driving end of the driving motor 906 and meshed with the end part of the embossing roller, the pair of adjusting blocks are divided into a pair of supporting blocks 903 and a pair of fixed blocks 904, the pair of supporting blocks 903 are arranged on the pair of fixed blocks 904, two pairs of fixing grooves are formed in the pair of supporting blocks 903 and the pair of fixed blocks 904 in a matching manner, the two pairs of fixing grooves are buckled with each other, and; a crusher 12 is arranged between the downstream of the coiler 11 and the stirrer 4; the roller wheel adjusting structure comprises: a pair of adjusting seats 908, a pair of adjusting screws 909, a pair of adjusting motors 9010, a pair of driven bevel gears 9011, and a pair of driving bevel gears 9012; a pair of adjusting seats 908 are symmetrically arranged on two sides of the top surface of the adjusting frame 902, a pair of adjusting screws 909 are in threaded engagement with the pair of adjusting seats 908, a pair of adjusting motors 9010 are arranged on the top surface of the adjusting frame 902 in a mirror image manner, a pair of driven bevel gears 9011 are sleeved outside the pair of adjusting seats 908, a pair of driving bevel gears 9012 arranged on the pair of adjusting motors 9010 are engaged with the pair of driven bevel gears 9011, and the bottom ends of the pair of adjusting screws 909 are movably connected with a pair of fixed blocks 904; the adjusting bracket 902 is a door-shaped bracket structure.
The embodiment is characterized by comprising a printing film and a covering film, wherein the printing film is attached to the covering film, the covering film comprises, by mass, 80 parts of PVC resin, 1-5 parts of organic tin stabilizer, 3 parts of plasticizer, 10-15 parts of UV resin, 1-5 parts of flexibilizer and 0.5 part of lubricant, and the printing film comprises, by mass, 30-40 parts of PVC resin, 30-50 parts of PE resin, 3 parts of organic tin stabilizer, 5 parts of plasticizer, 1.5 parts of acrylic acid, 5 parts of polymethyl methacrylate, 2.5 parts of processing aid, 5 parts of flexibilizer, 1 part of lubricant and 3-5 parts of butyl acrylate; according to the PVC label film, through the optimized design of the formula, the weather resistance is improved by two times compared with that of the conventional label film; by adopting the preparation of the mirror wheel and the fine rubber wheel, the glossiness of the surface of the product is improved to 75GU from the original 60GU, the brightness characteristic of a printed label film is achieved, the good ink absorption effect of a spray-painting film is achieved, and the application categories of the product are increased; by applying the PVC product shrinkage adjustment technology, the product dyne value meets more than 34 dynes of the market demand, the adsorption capacity to ink is improved, and the picture is clear and does not fade.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
Example (b): as can be seen from the attached figures 1-5 of the specification, the production line equipment mainly comprises a screening machine 1, a meter 2, a powdering machine 3, a stirring machine 4, a planetary machine 5, a rolling wheel machine 6, a filter 7, a calender 8, an embossing machine 9, a cooling section 10 and a coiling machine 11, wherein the meter 2 is arranged at the downstream of the screening machine 1, the powdering machine 3 is arranged at the downstream of the meter 2, the stirring machine 4 is arranged at the downstream of the powdering machine 3, the planetary machine 5 is arranged at the downstream of the stirring machine 4, the filter 7 is arranged at the downstream of the planetary machine 5, the rolling wheel machine 6 is arranged between the planetary machine 5 and the filter 7, the calender 8 is arranged at the downstream of the filter 7, a guide wheel is arranged between the embossing machine 9 and the calender 8, the cooling section 10 is arranged at the downstream of the embossing machine 9, the coiling machine 11 is arranged at the downstream of the cooling section 10, a pulverizer 12 is arranged between the downstream of the, connecting the devices according to the sequence, and processing according to the following steps;
the method comprises the following steps: respectively sieving the selected PVC resin, PE resin, organic tin stabilizer, plasticizer, acrylic acid, polymethyl methacrylate, processing aid, toughening agent, lubricant and butyl acrylate, and then weighing;
step two: pouring the dry material obtained in the step S1 into a mixer for high-speed stirring, controlling the temperature of a stirrer 4 at 108 ℃, the stirring speed at 480r/S, and the stirring time at 0.5h, and performing low-speed cold stirring for 10min after the high-speed stirring is finished;
step three: pouring the dry mixture obtained in the step S2 into a feeding hopper of a planetary machine 5, forming the mixture through a rolling machine 6, and then putting the mixture into a filter 7 for filtering;
step four: putting the primary product obtained in the step S3 into a calender 8 for further calendering and forming to obtain a printing film, and merging the pre-prepared coating film and the printing film into a whole at the front end of the straight section of the die head of the calender 8;
step five: printing the printing film obtained in the step S4 by using an embossing wheel and a rubber wheel, and embossing and molding the printing film by using an ultra-bright mirror embossing wheel and a rubber wheel with the thickness of 1.5-2.0 mu m to ensure that the surface glossiness of the product reaches over 75GU and is not dull;
step six: passing the printed finished film through a cooling section 10, wherein the rotating speed of the cooling section 10 is 153m/s, and the cooling temperature is 12-20 ℃;
step seven: winding the finished film by using a winding machine;
3-5, the embossing machine 9 is provided with an embossing machine 9 mechanism, and the embossing machine 9 mechanism consists of a quick disassembly and assembly structure and a roller adjusting structure;
as can be seen from fig. 3-5 of the specification, the quick-release structure includes: the connection relationship and the position relationship of the platform 901, the adjusting frame 902, the pair of adjusting blocks, the pair of supporting blocks 903, the pair of fixing blocks 904, the pair of bolts 905, the driving motor 906 and the adjusting gear 907 are as follows;
the embossing machine 9 is provided with a passing platform 901, an adjusting frame 902 is arranged on the passing platform 901, a pair of sliding rails is vertically and horizontally arranged on two sides of the adjusting frame 902, a pair of adjusting blocks are assembled on the pair of sliding rails and connected with a roller adjusting structure, an embossing roller is connected between the pair of adjusting blocks, a driving motor 906 is arranged on the adjusting blocks, an adjusting gear 907 is arranged on a driving end of the driving motor 906 and meshed with the end part of the embossing roller, the pair of adjusting blocks are divided into a pair of supporting blocks 903 and a pair of fixing blocks 904, the pair of supporting blocks 903 are installed on the pair of fixing blocks 904, the pair of supporting blocks 903 are matched with the pair of fixing blocks 904 and provided with two pairs of fixing grooves;
in the specific implementation process, the adjusting frame 902 is a door-shaped frame structure, the driving motor 906 is fixed through the adjusting blocks, the embossing roller is fixed through the pair of adjusting blocks, the embossing roller can be sleeved with the embossing wheel, the adjusting gear 907 is driven to rotate through the driving motor 906 so as to be meshed with the embossing roller, the embossing roller is driven to rotate, embossing is performed, the adjusting blocks are divided into a supporting block 903 and a fixed block 904, the supporting block 903 and the fixed block 904 are connected through a bolt 905, the embossing roller is fixed through a matched fixed groove by the supporting block 903 and the fixed block 904, the embossing roller can be conveniently detached by detaching the bolt 905, and the supporting block 903 can perform height adjustment along with the;
according to the attached figures 3-5 of the specification, the roller adjusting structure comprises: a pair of adjusting seats 908, a pair of adjusting screws 909, a pair of adjusting motors 9010, a pair of driven bevel gears 9011, and a pair of drive bevel gears 9012, the connection relationship and the positional relationship of which are as follows;
a pair of adjusting seats 908 are symmetrically arranged on two sides of the top surface of the adjusting frame 902, a pair of adjusting screws 909 are in threaded engagement with the pair of adjusting seats 908, a pair of adjusting motors 9010 are arranged on the top surface of the adjusting frame 902 in a mirror image manner, a pair of driven bevel gears 9011 are sleeved outside the pair of adjusting seats 908, a pair of driving bevel gears 9012 arranged on the pair of adjusting motors 9010 are engaged with the pair of driven bevel gears 9011, and the bottom ends of the pair of adjusting screws 909 are movably connected with the pair of fixed blocks 904;
in the specific implementation process, the adjusting motor 9010 is used for driving the driving bevel gear 9012 to rotate to be meshed with the driven bevel gear 9011, so that the adjusting seat 908 rotates, the internal thread of the adjusting seat 908 is meshed with the adjusting screw 909, the height of the adjusting screw 909 is changed, the supporting block 903 is driven to change the height, and the height of the embossing roller is changed;
the single-sided light weather-resistant printable and inkjet-printable PVC label film processed by the equipment and the process comprises a printing film and a covering film, wherein the printing film is attached to the covering film, the covering film comprises, by mass, 80 parts of PVC resin, 1-5 parts of organic tin stabilizer, 3 parts of plasticizer, 10-15 parts of UV resin, 1-5 parts of toughening agent and 0.5 part of lubricant, and the printing film comprises, by mass, 30-40 parts of PVC resin, 35-45 parts of PE resin, 3 parts of organic tin stabilizer, 5 parts of plasticizer, 1.5 parts of acrylic acid, 5 parts of polymethyl methacrylate, 2.5 parts of xylene, 5 parts of toughening agent, 1 part of lubricant and 3-5 parts of butyl acrylate;
by the PVC label film processed by the process and the production line, the weather resistance is improved by two times compared with the conventional label film through the optimized design of the formula; by adopting the preparation of the mirror wheel and the fine rubber wheel, the glossiness of the surface of the product is improved to 75GU from the original 60GU, the brightness characteristic of a printed label film is achieved, the good ink absorption effect of a spray-painting film is achieved, and the application categories of the product are increased; by applying the PVC product shrinkage adjustment technology, the product dyne value meets more than 34 dynes of the market demand, the adsorption capacity to ink is improved, and the picture is clear and does not fade.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. The PVC label film comprises a printing film and a covering film, and is characterized in that the printing film is attached to the covering film, the covering film comprises, by mass, 80 parts of PVC resin, 1-5 parts of organic tin stabilizer, 3 parts of plasticizer, 10-15 parts of UV resin, 1-5 parts of toughening agent and 0.5 part of lubricant, and the printing film comprises, by mass, 30-40 parts of PVC resin, 30-50 parts of PE resin, 3 parts of organic tin stabilizer, 5 parts of plasticizer, 1.5 parts of acrylic acid, 5 parts of polymethyl methacrylate, 2.5 parts of processing aid, 5 parts of toughening agent, 1 part of lubricant and 3-5 parts of butyl acrylate.
2. The PVC label film with one-sided light, weather-resistant, printable and air-paintable functions as claimed in claim 1, wherein in the components of the printing film, a processing aid is a transparent agent, and xylene is preferably used.
3. The single-sided photo weather-resistant printable inkjet PVC label film according to claim 1, wherein the amount of PE resin in the printed film is preferably set between 35 and 45.
4. A production process of a single-sided light weather-resistant printable and inkjet-paintable PVC label film is characterized by comprising the following steps: s1, screening and preparing materials, S2, stirring and mixing materials, S3, feeding, forming and filtering, S4, calendaring and forming, S5, embossing, S6, cooling, and S7, and coiling;
step S1: respectively sieving the selected PVC resin, PE resin, organic tin stabilizer, plasticizer, acrylic acid, polymethyl methacrylate, processing aid, toughening agent, lubricant and butyl acrylate, and then weighing;
step S2: pouring the dry materials in the step S1 into a mixer for high-speed stirring, controlling the temperature of the stirrer (4) at 110 ℃, the stirring speed at 480r/S and the stirring time at 0.5h, and performing low-speed cold stirring for 10min after the high-speed stirring is finished;
step S3: pouring the dry mixture obtained in the step S2 into a feeding hopper of a planetary machine (5), forming the mixture through a rolling machine (6), and then putting the mixture into a filter (7) for filtering;
step S4: putting the primary product obtained in the step S3 into a calender (8) for further calendering and molding to obtain a printing film, and merging the pre-prepared coating film and the printing film into a whole at the front end of a straight section of a die head of the calender (8);
step S5: printing the printing film obtained in the step S4 by using an embossing wheel and a rubber wheel;
step S6: enabling the printed finished film to pass through a cooling section (10), wherein the rotating speed of the cooling section (10) is 153m/s, and the cooling temperature is 12-20 ℃;
step S7: and winding the finished film by using a winding machine.
5. The process for producing a single-sided glossy, weather-resistant, printable and inkjet printable PVC label film according to claim 4, wherein in the step S5, the embossing step employs a super-bright mirror embossing wheel and a rubber wheel with a thickness of 1.5-2.0 μm to emboss and mold, so that the product surface gloss is not dull up to 75 GU.
6. The process for producing a single-sided photo-weather-resistant printable and air-painted PVC label film according to claim 4, wherein the temperature of the stirrer (4) in the step S2 is preferably controlled at 108 ℃.
7. A matched production line of a single-sided light weather-resistant printable and inkjet PVC label film comprises a screening machine (1), a meter (2), a powdering machine (3), a stirring machine (4), a planetary machine (5), a rolling wheel machine (6), a filtering machine (7), a calender (8), an embossing machine (9), a cooling section (10) and a coiling machine (11), and is characterized in that the meter (2) is arranged at the downstream of the screening machine (1), the powdering machine (3) is arranged at the downstream of the meter (2), the stirring machine (4) is arranged at the downstream of the powdering machine (3), the planetary machine (5) is arranged at the downstream of the stirring machine (4), the filtering machine (7) is arranged at the downstream of the planetary machine (5), the rolling wheel machine (6) is arranged between the planetary machine (5) and the filtering machine (7), the calender (8) is arranged at the downstream of the filtering machine (7), and a drawing wheel is arranged between the embossing machine (9) and the calender, the cooling section (10) is arranged at the downstream of the embossing machine (9), and the coiling machine (11) is arranged at the downstream of the cooling section (10);
the embossing machine (9) is provided with an embossing machine (9) mechanism, and the embossing machine (9) mechanism consists of a quick disassembly and assembly structure and a roller adjusting structure;
the quick assembly disassembly structure includes: the device comprises a platform (901), an adjusting frame (902), a pair of adjusting blocks, a pair of supporting blocks (903), a pair of fixing blocks (904), a pair of bolts (905), a driving motor (906) and an adjusting gear (907);
a passing platform (901) is arranged on the embossing machine (9), an adjusting frame (902) is arranged on the passing platform (901), a pair of slide rails is vertically and horizontally arranged at two sides of the adjusting frame (902), a pair of adjusting blocks are assembled on the pair of slide rails and connected with the roller adjusting structure, an embossing roller is connected between the pair of adjusting blocks, the adjusting block is provided with a driving motor (906), a driving end of the driving motor (906) is provided with an adjusting gear (907) which is meshed with the end part of the embossing roller, the pair of adjusting blocks is divided into a pair of supporting blocks (903) and a pair of fixing blocks (904), the pair of supporting blocks (903) are arranged on the pair of fixing blocks (904), the pair of supporting blocks (903) and the pair of fixing blocks (904) are provided with two pairs of fixing grooves in a matching way, and the two pairs of fixing grooves are buckled with each other, and the pair of supporting blocks (903) and the pair of fixing blocks (904) are connected with each other through a pair of bolts (905).
8. The production line for one-sided photo-weather-resistant printable and inkjet-printable PVC label film according to claim 7, characterized in that a crusher (12) is arranged between the downstream of the winder (11) and the blender (4).
9. The matched production line of one-sided photo-weather-resistant printable inkjet PVC label film according to claim 7, wherein the roller adjusting structure comprises: a pair of adjusting seats (908), a pair of adjusting screw rods (909), a pair of adjusting motors (9010), a pair of driven bevel gears (9011) and a pair of driving bevel gears (9012);
a pair of adjusting seats (908) are symmetrically arranged on two sides of the top surface of the adjusting frame (902), a pair of adjusting screws (909) are in threaded engagement with the pair of adjusting seats (908), a pair of adjusting motors (9010) are installed on the top surface of the adjusting frame (902) in a mirror image manner, a pair of driven bevel gears (9011) are sleeved outside the pair of adjusting seats (908), a pair of driving bevel gears (9012) are arranged on the pair of adjusting motors (9010) and are engaged with the pair of driven bevel gears (9011), and the bottom ends of the pair of adjusting screws (909) are movably connected with the pair of fixed blocks (904).
10. The matched production line of the single-sided photo weather-resistant printable inkjet PVC label film according to claim 7, characterized in that the adjusting rack (902) is a portal frame structure.
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