CN113583587A - Low-smoke high-flame-retardant PVC plastic printing leather and preparation method thereof - Google Patents

Low-smoke high-flame-retardant PVC plastic printing leather and preparation method thereof Download PDF

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Publication number
CN113583587A
CN113583587A CN202110960630.3A CN202110960630A CN113583587A CN 113583587 A CN113583587 A CN 113583587A CN 202110960630 A CN202110960630 A CN 202110960630A CN 113583587 A CN113583587 A CN 113583587A
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parts
layer
flame
pvc
resin
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赵纪争
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Zhangjiagang Free Trade Zone Changlong New Material Co Ltd
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Zhangjiagang Free Trade Zone Changlong New Material Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions 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; Compositions of derivatives of such polymers
    • C08L27/02—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/40—Adhesives in the form of films or foils characterised by release liners
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/346—Applications of adhesives in processes or use of adhesives in the form of films or foils for building applications e.g. wrap foil
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/41—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the carrier layer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2427/00—Presence of halogenated polymer
    • C09J2427/006—Presence of halogenated polymer in the substrate

Abstract

The invention discloses a low-smoke high-flame-retardant PVC plastic printing skin and a preparation method thereof, and the printing skin comprises a PVC film pattern layer, wherein the upper part of the PVC film pattern layer is provided with a resin layer, the lower part of the PVC film pattern layer is provided with a composite substrate layer, the lower part of the composite substrate layer is provided with a foaming layer, the lower part of the foaming layer is provided with a bonding adhesive layer, and the lower part of the bonding adhesive layer is provided with a stripping adhesive paper layer. The flame retardant has the effects of flame retardance and smoke reduction, and the flame retardant is arranged on the surface and inside, so that the flame retardance is enhanced.

Description

Low-smoke high-flame-retardant PVC plastic printing leather and preparation method thereof
Technical Field
The invention relates to the technical field of PVC plastic printing skins, in particular to a low-smoke high-flame-retardant PVC plastic printing skin and a preparation method thereof.
Background
PVC floor is a new type of light floor decoration material which is very popular in the world today, also called light floor material. The PVC floor refers to the floor produced by adopting the polyvinyl chloride material. The PVC/.
However, the smoke density of the PVC floor is higher, and the smoke released during burning is not beneficial to human bodies. And the PVC floor is poor in wear resistance, the surface friction is resisted by the UV layer coated on the surface, and once the UV layer is wiped off, the PVC floor is rapidly worn. Therefore, the invention of the wear-resistant PVC floor with small combustion released smoke is particularly important. Therefore, a low-smoke high-flame-retardant PVC plastic printing leather and a preparation method thereof are provided.
Disclosure of Invention
The invention aims to provide a low-smoke high-flame-retardant PVC plastic printing leather and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a low smoke high fire-retardant PVC plastic printing skin, includes PVC membrane pattern layer, the upper portion on PVC membrane pattern layer is equipped with the resin layer, the lower part on PVC membrane pattern layer is equipped with the composite substrate layer, the lower part on composite substrate layer is equipped with the foaming layer, the lower part on foaming layer is equipped with glues and the glue film, the lower part of gluing and the glue film is equipped with peels off the adhesive paper layer.
Preferably, the composite substrate layer comprises the following substances in parts by weight: 70-90 parts of PVC5 type resin, 35-40 parts of plasticizer, 20-30 parts of calcium silicate crystal fiber, 15-50 parts of white carbon black, 150 parts of melamine cyanurate, 5-10 parts of stabilizer, 3-6 parts of lubricant, 15-20 parts of epoxidized soybean oil, 4-6 parts of anti-aging agent and 0-2 parts of colorant.
The invention also provides a preparation method of the low-smoke high-flame-retardant PVC plastic-rubber printing leather, which comprises the following steps:
s1, preparing a composite base material layer raw material: weighing 35-40 parts of plasticizer, 20-30 parts of calcium silicate crystal fiber, 15-50 parts of white carbon black, 150 parts of melamine cyanurate, 5-10 parts of stabilizer, 3-6 parts of lubricant, 15-20 parts of epoxidized soybean oil, 4-6 parts of anti-aging agent and 0-2 parts of colorant according to parts by weight to form a composition;
s2, adding the composition obtained in the step S1 into a mixing tank, adding water, controlling the temperature of a working chamber of the mixing tank to be 90-120 ℃, adjusting the stirring speed of the mixing tank to be 30 revolutions per minute, weighing 70-90 parts of PVC5 type resin after mixing for 1 minute, adding the PVC5 type resin into the mixing tank to form a mixture, and adjusting the rotating speed to be 40 revolutions per minute;
s3, when the mixing time is 3-5 minutes, adding 15-50 parts of white carbon black, controlling and keeping the glue temperature at 100 ℃ and obtaining a semi-finished product;
s4, subjecting the semi-finished product obtained in the step S3 to an extrusion process, a calendaring process and a cooling process to finally obtain a composite base material layer;
s5, preparing a foaming layer: adding dioctyl phthalate into PVC resin, heating and stirring to 120-phase 130 ℃, uniformly stirring, heating to 160-phase 170 ℃ in an internal mixer for preliminary plasticization, keeping the temperature in a two-roller open mill at 170-phase 180 ℃ for continuous plasticization, entering an extruder for further plasticization at 160-phase 170 ℃, filtering impurities, entering a four-roller calender for calendering to form a film at 170-phase 190 ℃;
s6: preparing a PVC film pattern layer, and rolling the PVC film pattern layer for later use after the PVC film pattern layer is cooled by gravure chromatography printing of a printing machine according to the specified requirements of color, skin texture and patterns of a product, wherein the rolling speed is 75-90 m/min;
s7: gluing the foaming layer and attaching stripping gummed paper;
s8: coating resin on the surface of the composite base material layer, wherein the resin contains a flame retardant NH1197, heating the coated artificial leather to the temperature of 130-145 ℃ by an oven, cooling and rolling into a semi-finished product at the rolling speed of 85-105 m/min;
s9: and pressing the composite base material layer covered with the resin and the foaming layer, and rolling to finally obtain a finished product.
Preferably, the ratio in step S3 is 100 parts by weight of PVC resin and 25 parts by weight of dioctyl ester.
Preferably, the feeding weight parts of the components in the step S8 are as follows: 100 parts of acrylic resin and a flame retardant NH 11973.
Preferably, the extrusion process parameters in step S4 are: the length-diameter ratio of the screw is 30-45, the rotating speed of the screw is 250-450 r/min, and the temperature of each subarea of the machine barrel is in the I area: 85-100 ℃; and (II) zone: 160 ℃ and 180 ℃; and (3) zone III: 180 ℃ and 200 ℃; zone IV: 200 ℃ and 230 ℃, and vacuum exhaust is arranged in the extrusion process.
Preferably, the plasticizer is DOPT, and the stabilizer is a calcium zinc stabilizer.
The lubricant is zinc stearate, and the anti-aging agent is antioxidant 1010.
Compared with the prior art, the invention has the beneficial effects that: the PVC film comprises a PVC film pattern layer, wherein a resin layer is arranged on the upper part of the PVC film pattern layer and plays a role in enhancing wear resistance, the resin layer contains a flame retardant NH and acrylic resin and plays a role in wear resistance and flame retardance, a composite substrate layer is arranged on the lower part of the PVC film pattern layer and is provided with calcium silicate crystal fibers, melamine cyanurate and white carbon black, the white carbon black improves the wear resistance of PVC, the added melamine cyanurate can reduce smoke generated during PVC combustion and plays a role in flame retardance and smoke reduction, and the surface and the inner part of the PVC film pattern layer are provided with flame retardants so as to enhance the flame retardance.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1. a bonding glue layer; 2. a PVC film pattern layer; 3. a resin layer; 4. stripping the adhesive paper layer; 5. a composite substrate layer; 6. a foaming layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a low smoke high fire-retardant PVC plastic printing skin, includes PVC membrane pattern layer 2, the upper portion of PVC membrane pattern layer 2 is equipped with resin layer 3, the lower part of PVC membrane pattern layer 2 is equipped with composite substrate layer 5, composite substrate layer 5's lower part is equipped with foaming layer 6, foaming layer 6's lower part is equipped with glues and glue film 1, the lower part that glues and glue film 1 is equipped with peels off adhesive paper layer 4.
The composite base material layer 5 comprises the following substances in parts by weight: 70-90 parts of PVC5 type resin, 35-40 parts of plasticizer, 20-30 parts of calcium silicate crystal fiber, 15-50 parts of white carbon black, 150 parts of melamine cyanurate, 5-10 parts of stabilizer, 3-6 parts of lubricant, 15-20 parts of epoxidized soybean oil, 4-6 parts of anti-aging agent and 0-2 parts of colorant.
The invention also provides a preparation method of the low-smoke high-flame-retardant PVC plastic-rubber printing leather, which comprises the following steps:
s1, preparing a composite base material layer raw material: weighing 35-40 parts of plasticizer, 20-30 parts of calcium silicate crystal fiber, 15-50 parts of white carbon black, 150 parts of melamine cyanurate, 5-10 parts of stabilizer, 3-6 parts of lubricant, 15-20 parts of epoxidized soybean oil, 4-6 parts of anti-aging agent and 0-2 parts of colorant according to parts by weight to form a composition;
s2, adding the composition obtained in the step S1 into a mixing tank, adding water, controlling the temperature of a working chamber of the mixing tank to be 90-120 ℃, adjusting the stirring speed of the mixing tank to be 30 revolutions per minute, weighing 70-90 parts of PVC5 type resin after mixing for 1 minute, adding the PVC5 type resin into the mixing tank to form a mixture, and adjusting the rotating speed to be 40 revolutions per minute;
s3, when the mixing time is 3-5 minutes, adding 15-50 parts of white carbon black, controlling and keeping the glue temperature at 100 ℃ and obtaining a semi-finished product;
s4, subjecting the semi-finished product obtained in the step S3 to an extrusion process, a calendaring process and a cooling process to finally obtain a composite base material layer;
s5, preparing a foaming layer: adding dioctyl phthalate into PVC resin, heating and stirring to 120-phase 130 ℃, uniformly stirring, heating to 160-phase 170 ℃ in an internal mixer for preliminary plasticization, keeping the temperature in a two-roller open mill at 170-phase 180 ℃ for continuous plasticization, entering an extruder for further plasticization at 160-phase 170 ℃, filtering impurities, entering a four-roller calender for calendering to form a film at 170-phase 190 ℃;
s6: preparing a PVC film pattern layer, and rolling the PVC film pattern layer for later use after the PVC film pattern layer is cooled by gravure chromatography printing of a printing machine according to the specified requirements of color, skin texture and patterns of a product, wherein the rolling speed is 75-90 m/min;
s7: gluing the foaming layer and attaching stripping gummed paper;
s8: coating resin on the surface of the composite base material layer, wherein the resin contains a flame retardant NH1197, heating the coated artificial leather to the temperature of 130-145 ℃ by an oven, cooling and rolling into a semi-finished product at the rolling speed of 85-105 m/min;
s9: and pressing the composite base material layer covered with the resin and the foaming layer, and rolling to finally obtain a finished product.
The proportion in the step S3 is 100 parts of PVC resin and 25 parts of dioctyl ester by weight.
The feeding weight parts of the components in the step S8 are as follows: 100 parts of acrylic resin and a flame retardant NH 11973.
The extrusion process parameters in the step S4 are: the length-diameter ratio of the screw is 30-45, the rotating speed of the screw is 250-450 r/min, and the temperature of each subarea of the machine barrel is in the I area: 85-100 ℃; and (II) zone: 160 ℃ and 180 ℃; and (3) zone III: 180 ℃ and 200 ℃; zone IV: 200 ℃ and 230 ℃, and vacuum exhaust is arranged in the extrusion process.
The plasticizer is DOPT, and the stabilizer is a calcium zinc stabilizer.
The lubricant is zinc stearate, and the anti-aging agent is antioxidant 1010.
Specifically, during the use, this low smoke high fire-retardant PVC plastic printing skin and preparation method thereof has PVC membrane pattern layer 2, the upper portion of PVC membrane pattern layer 2 is equipped with resin layer 3, resin layer 3 plays the effect of reinforcing wear resistance, contain fire retardant NH1197 and acrylic resin in this resin layer, play wear-resisting and fire-retardant purpose, the lower part of PVC membrane pattern layer 2 is equipped with composite substrate layer 5, have calcium silicate crystal fibre, melamine cyanurate and white carbon black, white carbon black improves the wearability of PVC, the flue gas that produces when adding melamine cyanurate and can reduce the PVC burning plays fire-retardant effect of reducing cigarette, surface and inside all are equipped with the fire retardant, fire behaviour has been strengthened.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a low smoke high fire-retardant PVC plastic printing skin, includes PVC membrane pattern layer (2), its characterized in that: the upper portion of PVC membrane pattern layer (2) is equipped with resin layer (3), the lower part of PVC membrane pattern layer (2) is equipped with composite substrate layer (5), the lower part of composite substrate layer (5) is equipped with foaming layer (6), the lower part of foaming layer (6) is equipped with glues and glue film (1), the lower part of gluing and glue film (1) is equipped with peels off adhesive paper layer (4).
2. The low-smoke high-flame-retardant PVC plastic-offset printing skin according to claim 1 is characterized in that: the composite base material layer (5) comprises the following substances in parts by weight: 70-90 parts of PVC5 type resin, 35-40 parts of plasticizer, 20-30 parts of calcium silicate crystal fiber, 15-50 parts of white carbon black, 150 parts of melamine cyanurate, 5-10 parts of stabilizer, 3-6 parts of lubricant, 15-20 parts of epoxidized soybean oil, 4-6 parts of anti-aging agent and 0-2 parts of colorant.
3. A method for preparing a low-smoke high-flame-retardant PVC plastic-offset printing skin according to any one of claims 1-2, which is characterized in that: the method specifically comprises the following steps:
s1, preparing a composite base material layer raw material: weighing 35-40 parts of plasticizer, 20-30 parts of calcium silicate crystal fiber, 15-50 parts of white carbon black, 150 parts of melamine cyanurate, 5-10 parts of stabilizer, 3-6 parts of lubricant, 15-20 parts of epoxidized soybean oil, 4-6 parts of anti-aging agent and 0-2 parts of colorant according to parts by weight to form a composition;
s2, adding the composition obtained in the step S1 into a mixing tank, adding water, controlling the temperature of a working chamber of the mixing tank to be 90-120 ℃, adjusting the stirring speed of the mixing tank to be 30 revolutions per minute, weighing 70-90 parts of PVC5 type resin after mixing for 1 minute, adding the PVC5 type resin into the mixing tank to form a mixture, and adjusting the rotating speed to be 40 revolutions per minute;
s3, when the mixing time is 3-5 minutes, adding 15-50 parts of white carbon black, controlling and keeping the glue temperature at 100 ℃ and obtaining a semi-finished product;
s4, subjecting the semi-finished product obtained in the step S3 to an extrusion process, a calendaring process and a cooling process to finally obtain a composite base material layer;
s5, preparing a foaming layer: adding dioctyl phthalate into PVC resin, heating and stirring to 120-phase 130 ℃, uniformly stirring, heating to 160-phase 170 ℃ in an internal mixer for preliminary plasticization, keeping the temperature in a two-roller open mill at 170-phase 180 ℃ for continuous plasticization, entering an extruder for further plasticization at 160-phase 170 ℃, filtering impurities, entering a four-roller calender for calendering to form a film at 170-phase 190 ℃;
s6: preparing a PVC film pattern layer, and rolling the PVC film pattern layer for later use after the PVC film pattern layer is cooled by gravure chromatography printing of a printing machine according to the specified requirements of color, skin texture and patterns of a product, wherein the rolling speed is 75-90 m/min;
s7: gluing the foaming layer and attaching stripping gummed paper;
s8: coating resin on the surface of the composite base material layer, wherein the resin contains a flame retardant NH1197, heating the coated artificial leather to the temperature of 130-145 ℃ by an oven, cooling and rolling into a semi-finished product at the rolling speed of 85-105 m/min;
s9: and pressing the composite base material layer covered with the resin and the foaming layer, and rolling to finally obtain a finished product.
4. The preparation method of the low-smoke high-flame-retardant PVC plastic-offset printing skin according to claim 3 is characterized in that: the proportion in the step S3 is 100 parts of PVC resin and 25 parts of dioctyl ester by weight.
5. The preparation method of the low-smoke high-flame-retardant PVC plastic-offset printing skin according to claim 3 is characterized in that: the feeding weight parts of the components in the step S8 are as follows: 100 parts of acrylic resin and a flame retardant NH 11973.
6. The preparation method of the low-smoke high-flame-retardant PVC plastic-offset printing skin according to claim 3 is characterized in that: the extrusion process parameters in the step S4 are: the length-diameter ratio of the screw is 30-45, the rotating speed of the screw is 250-450 r/min, and the temperature of each subarea of the machine barrel is in the I area: 85-100 ℃; and (II) zone: 160 ℃ and 180 ℃; and (3) zone III: 180 ℃ and 200 ℃; zone IV: 200 ℃ and 230 ℃, and vacuum exhaust is arranged in the extrusion process.
7. The preparation method of the low-smoke high-flame-retardant PVC plastic-offset printing skin according to claim 3 is characterized in that: the plasticizer is DOPT, and the stabilizer is a calcium zinc stabilizer.
8. The preparation method of the low-smoke high-flame-retardant PVC plastic-offset printing skin according to claim 3 is characterized in that: the lubricant is zinc stearate, and the anti-aging agent is antioxidant 1010.
CN202110960630.3A 2021-08-20 2021-08-20 Low-smoke high-flame-retardant PVC plastic printing leather and preparation method thereof Pending CN113583587A (en)

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CN202110960630.3A CN113583587A (en) 2021-08-20 2021-08-20 Low-smoke high-flame-retardant PVC plastic printing leather and preparation method thereof

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Application Number Priority Date Filing Date Title
CN202110960630.3A CN113583587A (en) 2021-08-20 2021-08-20 Low-smoke high-flame-retardant PVC plastic printing leather and preparation method thereof

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CN113583587A true CN113583587A (en) 2021-11-02

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