CN213534117U - Low-temperature attached credit card fabric PVC sheet - Google Patents

Abstract

The utility model discloses a low temperature laminating credit card surface fabric PVC sheet, including the film body, the film body is by lower supreme PVC glued membrane layer, printing layer and the ultraviolet resistance layer of including in proper order, and the ultraviolet resistance layer is transparent structure, ultraviolet resistance layer top is equipped with the antistatic agent layer, and the antistatic agent layer is transparent material, the top on antistatic agent layer is equipped with half hard dark knurling layer, half hard dark knurling layer is transparent material, half hard dark knurling layer is different shape or pattern. The utility model discloses surface texture is even, feels, and the exhibition paper-back edition nature is good, and printability is good, and the laminating temperature is low, and the laminating nature is firm, can design into different shapes or pattern, makes the utility model discloses a product can present different decorative effect, and the people's optional use of the different individuality of being convenient for, and waterproof performance is good moreover.

Description

Low-temperature attached credit card fabric PVC sheet

Technical Field

The utility model relates to a PVC sheet technical field especially relates to a low temperature laminating credit card surface fabric PVC sheet.

Background

The PVC credit card is formed by laminating the medium material and the fabric material, the market competition of the upstream processing of the PVC credit card is more and more intense in recent years, the production efficiency is continuously improved, the requirement on the bonding temperature of the medium material and the fabric material is lower and lower, the bonding time can be shortened, and the energy consumption can be reduced.

The common PVC sheet for the low-temperature laminating credit card fabric has poor production effect, generally only comprises the base layer and the durable layer, the base layer is prepared by mixing, extruding and blow molding common materials, the structure of the PVC sheet cannot meet the use requirement of people, and the PVC sheet does not have an ultraviolet-resistant layer when in use, so that static electricity is easy to appear when in use, the credit card is easy to rub to generate static electricity, the PVC sheet is easy to be polluted by dust, and the requirement of people cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a low-temperature laminating credit card fabric PVC sheet.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a low temperature laminating credit card surface fabric PVC sheet, includes the film body, the film body is by lower supreme PVC glued membrane layer, printing layer and the ultraviolet resistance layer of including in proper order, and the ultraviolet resistance layer is transparent structure, ultraviolet resistance layer top is equipped with the antistatic agent layer, and the antistatic agent layer is transparent material.

Preferably, a semi-hard deep embossing layer is arranged above the antistatic agent layer.

Preferably, the semi-hard deep embossing layer is made of a transparent material.

Preferably, the semi-hard deep embossing layer is of a different shape or pattern.

Preferably, a waterproof layer is arranged between the printing layer and the ultraviolet-resistant layer, and the upper surface of the semi-hard deep embossing layer is coated with waterproof paint.

The utility model has the advantages that:

1. through setting up its manufacturing process complicacy of PVC glued membrane layer, can slow down the reaction, keep chemical balance, reduce PVC glued membrane layer surface tension and prevent light, thermal decomposition or oxidative decomposition, have good thermal stability and photostability, water proofness and oil resistance are also good, easy machine-shaping and mixing of colors, and thickness distribution is even, and the surface line is even, feels good, and the exhibition paper-back edition nature is good, and printability is good, and the laminating temperature is low, and the laminating nature is firm.

2. Different shapes or patterns can be designed through the deep embossing of the semi-hard deep embossing layer, so that the utility model discloses a different decorative effect can be presented to the product, the people of different individuality of being convenient for select the use.

3. The ultraviolet-resistant layer can prevent ultraviolet rays from penetrating into the film body, the service life of the film body is prolonged, the antistatic agent layer can play antifouling and antistatic roles, the film can not stick to the body, stick to skirt clothes and self-adhesion, and the film is more smooth, can reduce the pollution of dust to the appearance of a final product in the processes of transportation, storage, packaging and use, and is clean and comfortable for the product to use.

4. Through the waterproof coating on the upper surface of the waterproof layer and the semi-hard deep embossing layer, the two-layer waterproof structure can play a good waterproof role, and the credit card is prevented from falling into water to influence normal use of the credit card.

Drawings

Fig. 1 is a schematic view of a cross-sectional structure of a low-temperature-bonded credit card fabric PVC sheet provided by the present invention.

In the figure: 1. a film body; 2. a PVC film layer; 3. printing layer; 4. an anti-ultraviolet layer; 5. an antistatic agent layer; 6. a semi-hard deep embossing layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, a low-temperature bonding credit card fabric PVC sheet comprises a film body 1, the film body 1 sequentially comprises a PVC film layer 2, a printing layer 3 and an ultraviolet-resistant layer 4 from bottom to top, the ultraviolet-resistant layer 4 is of a transparent structure, the ultraviolet-resistant layer 4 can prevent ultraviolet rays from penetrating into the film body, the service life of the film body 1 is prolonged, the PVC film layer 2 is a smooth surface or a rough frosted surface, the PVC film layer 2 is prepared from 80-100 parts of PVC resin with a polymerization degree of 800, 0-20 parts of PVC resin with a polymerization degree of 1000, 2.0-3.0 PHR of butyl tin mercaptide stabilizer, 0-1 PHR of epoxy soybean oil, 0.8-1.5 PHR of methyl methacrylate and butyl acrylate copolymer, 6-9 PHR of high strength MBS, 0.18-0.30 PHR of lubricant, 0-0.4 PHR of talcum powder, 0.004-0.008 PHR of colorant, heating, mixing, cooling and cooling, The PVC resin is prepared by heating, shearing and plasticizing, extruding, further plasticizing by a rolling machine, calendering by a calender and cooling again, the PVC resin is insoluble in water, alcohol and gasoline, has high stability, high plasticity, easy processing and good flame retardant effect, can improve the overall performance of the PVC film layer 2, the butyl tin mercaptide stabilizer can slow down the reaction, keep chemical balance, reduce the surface tension of the PVC film layer 2 and prevent light, thermal decomposition or oxidative decomposition, the epoxidized soybean oil has good compatibility with the PVC resin, low volatility, small mobility, excellent thermal stability and light stability, good water resistance and oil resistance, the copolymer of methyl methacrylate and butyl acrylate is colorless transparent plastic, the MBS resin has the advantages of easy processing, molding and color matching, high-strength MBS is high-transparency and high-strength engineering plastic, has the processing, modifying and toughening effects, and the high-strength MBS resin can not only toughen, furthest keeps PVC's transparency, compare simultaneously with other impact modifier, under the equal addition circumstances, can also promote the toughness of goods more by a wide margin, the addition of talcum powder can make PVC glued membrane layer 2 more level and smooth, fine and smooth, practice thrift raw and other materials, improve PVC glued membrane layer 2's life, anti ultraviolet layer 4 top is equipped with antistatic agent layer 5, and antistatic agent layer 5 is transparent material, this antistatic agent layer 5 can play antifouling, antistatic effect, make the film can not glue the body, glue skirt clothing and self-adhesion.

It needs to point out very much, printing layer 3 can the printed pattern, characters, symbol, color etc. to play the decorative effect, antistatic agent layer 5's top is equipped with half hard dark impressed watermark layer 6, and half hard dark impressed watermark layer 6 is transparent material, and half hard dark impressed watermark layer 6 is different shape or pattern, and half hard dark impressed watermark layer 6's dark impressed watermark can design into different shape or pattern, makes the utility model discloses a product can present different decorative effect, and the people of different individualities of being convenient for select to use, is equipped with the waterproof layer between printing layer 3 and the ultraviolet resistance layer 4, and half hard dark impressed watermark layer 6's upper surface is scribbled waterproof coating, and two-layer waterproof construction can play fine waterproof effect.

The utility model also discloses a production method of PVC glued membrane layer 2, including following step:

s1, weighing various raw materials according to a product formula, putting the raw materials into a low-speed hot stirring machine in sequence according to polyvinyl chloride resin, vinyl acetate-vinyl chloride monomer copolymer → butyl tin mercaptide stabilizer, DOTP → methyl methacrylate-butyl acrylate copolymer, high-strength MBS, lubricant → talcum powder and colorant → then, when the temperature of the materials rises to 95-105 ℃, automatically discharging the materials into a cold stirring machine.

And S2, rapidly cooling the materials and further uniformly mixing, and manually discharging the materials to a storage barrel when the temperature of the materials is cooled to 60-70 ℃.

And S3, feeding the cold-stirred and uniformly-mixed material into a screw extruder, and controlling the temperature of a main screw to be 100-120 ℃ and the speed to be 40-50 RPM so that the material is extruded after being heated, sheared and plasticized.

And S4, immediately feeding the extruded material into a rolling wheel machine after the material is extruded by the extruder, controlling the temperature of the rolling wheel machine to be 130-140 ℃ and the rotating speed to be 35-45 RPM, and further plasticizing the extruded material.

And S5, putting the plasticized mixture into a calender, and pressing the mixture into a sheet with proper thickness, wherein the thickness of the sheet can be controlled by adjusting the gap of the roller.

And S6, stretching the thin sheet to a required thickness by adjusting the speed ratio of the first roller of the stretching roller and the last roller of the calendering roller.

And S7, continuously feeding the sheet obtained by stretching in the previous step into a cooling unit for cooling, and winding by a winding unit after cooling to obtain the PVC film layer 2.

The working principle is as follows: the raw materials of needs are through heating mixture, the cooling, the plastify is cuted in the heating, extrude, the further plastify of rolling wheel machine, the calender calendering, cool down once more and make PVC glued membrane layer 2, the pattern printing that needs the printing is in printing layer 3, conveniently adjust the style of credit card, then prevent through ultraviolet resistance layer 4 that the ultraviolet ray from penetrating into, improve life, rethread antistatic agent layer 5 carries out antifouling, antistatic, make the film can not glue the body, glue skirt clothing and self-adhesion, then different shape or pattern are designed into to the deep impressed watermark on half hard deep impressed watermark layer 6, make the utility model discloses a product can present different decorative effect, the people's optional use of different individuality of being convenient for, through the waterproof coating of the upper surface of waterproof layer and half hard deep impressed watermark layer 6, two-layer waterproof construction can play fine waterproof effect, prevent that the credit card from dropping in the aquatic.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", "first", "second", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a low temperature laminating credit card surface fabric PVC sheet, includes film body (1), its characterized in that, film body (1) is by supreme PVC glued membrane layer (2), printing layer (3) and anti ultraviolet layer (4) of including in proper order down, and anti ultraviolet layer (4) are transparent structure, anti ultraviolet layer (4) top is equipped with antistatic agent layer (5), and antistatic agent layer (5) are transparent material.

2. The PVC sheet material applied to credit card fabrics at low temperature according to claim 1, wherein a semi-hard deep embossing layer (6) is arranged above the antistatic agent layer (5).

3. The PVC sheet material for low-temperature conformable credit card fabric of claim 2, wherein the semi-hard deep embossing layer (6) is transparent.

4. The PVC sheet material for low-temperature conformable credit card face material of claim 3, characterized in that the semi-hard deep embossed layer (6) is of different shape or pattern.

5. The PVC sheet material applied to the credit card fabric at low temperature as claimed in claim 3, wherein a waterproof layer is arranged between the printing layer (3) and the anti-ultraviolet layer (4), and the upper surface of the semi-hard deep embossing layer (6) is coated with a waterproof coating.

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