CN112341944A - Recycled PVC high-strength flame-retardant floor film and preparation method and application thereof - Google Patents

Recycled PVC high-strength flame-retardant floor film and preparation method and application thereof Download PDF

Info

Publication number
CN112341944A
CN112341944A CN202011198604.3A CN202011198604A CN112341944A CN 112341944 A CN112341944 A CN 112341944A CN 202011198604 A CN202011198604 A CN 202011198604A CN 112341944 A CN112341944 A CN 112341944A
Authority
CN
China
Prior art keywords
retardant
floor film
sheet
flame
floor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011198604.3A
Other languages
Chinese (zh)
Inventor
杨正龙
钟瑞
姚武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongji University
Original Assignee
Tongji University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tongji University filed Critical Tongji University
Priority to CN202011198604.3A priority Critical patent/CN112341944A/en
Publication of CN112341944A publication Critical patent/CN112341944A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • C09J7/22—Plastics; Metallised plastics
    • C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/245—Vinyl resins, e.g. polyvinyl chloride [PVC]
    • 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
    • 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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • 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
    • C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04—Polyurethanes
    • C09J175/14—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
    • 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
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • 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
    • C08J2497/00—Characterised by the use of lignin-containing materials
    • C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
    • 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
    • C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
    • C08K5/523—Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds
    • 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
    • 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
    • C09J2475/00—Presence of polyurethane

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Floor Finish (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

The invention relates to a recycled PVC high-strength flame-retardant floor film and a preparation method and application thereof. Compared with the prior art, the floor material has the advantages and characteristics which cannot be achieved by the traditional floor material, such as light weight, ultrathin thickness, high strength, good flame retardant property, easy maintenance, environmental protection, reproducibility and the like; different patterns can be designed according to the aesthetic sense of consumers to prepare the PVC floor film meeting the public requirements, and the PVC floor film has bright color, good printability and clear patterns; meanwhile, when the recycled PVC high-strength flame-retardant floor film is installed and constructed, manpower and material resources are saved, the laying method is simple and convenient, a hot-melt welding process is used, gaps are not obvious, seam pollution is reduced, the maintenance is simple, and the recycled PVC high-strength flame-retardant floor film is suitable for being laid in public places such as sports grounds, workshop factories and garages in a large area.

Description

Recycled PVC high-strength flame-retardant floor film and preparation method and application thereof
Technical Field
The invention relates to the field of building waste material recovery and treatment, in particular to a high-strength flame-retardant floor film of recovered PVC, and a preparation method and application thereof.
Background
With the rapid development of market economy, the living standard of people is correspondingly improved, the requirements for commodities are more and more critical and personalized, and the environmental pollution is increasingly serious and the resources are gradually exhausted. Meanwhile, the pace of old city reconstruction and urbanization construction in China is increased day by day, and ten million tons or even hundreds of millions of tons of construction wastes are generated every year. But compared with huge production amount of construction waste, the utilization rate of the construction waste in China is not high at present. How to carry out resource utilization of the construction waste becomes a difficult problem in urban and rural development.
At present, a plurality of domestic cities develop rapidly, modern construction is carried out successively, and high-rise buildings built continuously become representative works. The market of building materials is continuously replaced, people try to find materials which are good in performance, high in cost performance, environment-friendly and green, and the quality of life and aesthetic requirements are guaranteed. For flooring materials, polymer flooring films are most widely used on the market. Traditional floor materials such as cement, marble, laminated wood, etc. as collar sheep in the floor decoration industry have more or less insurmountable defects although the process is quite mature. Although the cement ground is low in price and less in pollution, the construction is complicated, the requirement on labor is high, and the cement ground cannot be used in a short time, so that various inconveniences are caused; the marble floor has good visual effect, is high-end atmosphere, but is expensive, is not suitable for large-area paving, is cold in touch sense, is not friendly to the use of infants, is slippery when meeting water and is easy to generate danger, so that the marble floor is more suitable for being used in high-grade places rather than facing the public; the laminated wood board is a relatively widely used floor material at present, the price is moderate, different boards also provide different economic level choices for consumers, but the wood is resistant to water and fire, easy to damage by worms, and poor in dimensional stability and wear resistance.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a recycled PVC high-strength flame-retardant floor film, a preparation method and application thereof. The problems of recycling of a large amount of building waste and changing waste into valuables are solved, and the problems of poor dimensional stability, poor flame retardance, inconvenience in construction and the like of the traditional floor material are solved.
In order to fully utilize the building waste and obtain the high-performance flame-retardant floor laying material, the recycled PVC high-strength flame-retardant floor film disclosed by the invention is prepared by taking building waste PVC as a raw material, adding a filler auxiliary agent, building waste wood powder, wood dust and the like in the production process, and carrying out calendering and extrusion processes. The filler reduces the flammability of the floor film material, increases the safety, greatly increases the strength by adding the wood chips and the wood powder, has obvious advantages, good research value and strong developability. The seamless connection is adopted during installation and laying, so that gap pollution is avoided, the cleaning agent can be used after installation, surface pollution can be wiped off by water, the cleaning is convenient, the maintenance is not needed, and great advantages and development prospects are shown.
The purpose of the invention can be realized by the following technical scheme:
the invention provides a recycled PVC high-strength flame-retardant floor film, which comprises a floor film sheet and UV curing adhesive covering the surface of the floor film sheet;
the floor film sheet comprises the following raw materials in parts by weight:
Figure BDA0002754720380000021
preferably, the relative density of the construction waste PVC is about 1.5g/cm3Tensile strength of about 60 ℃65MPa and the impact strength of about 6-10 kJ/m2The flame retardant value is more than 45, and the heat capacity value is 0.9 kJ/(kg.K).
Preferably, the stabilizer is a barium-zinc composite stabilizer, the specific gravity is 0.95-1.02 at normal temperature, and the freezing point is-15 ℃.
Preferably, the flame retardant plasticizer is dioctyl phthalate or triisopropylphenyl phosphate;
the density of dioctyl phthalate at 25 ℃ is 0.985g/cm2The boiling point is 385 ℃;
the boiling point of triisopropylphenyl phosphate at 760mmHg is 365 ℃ and the flash point is 175 ℃.
Preferably, the UV curing glue is composed of urethane acrylate and a silane coupling agent A-151 in a mass ratio of 1:2, wherein:
the average molecular weight of the urethane acrylate is 1500-1600, and the viscosity at 60 ℃ is 3600-4000 cps;
the silane coupling agent A-151 has a density of 0.905 to 0.908g/cm at 25 DEG C3The boiling point of the glass is 161 ℃ under 760mm Hg, and the refractive index is about 1.395-1.400.
Preferably, the thickness of the floor film sheet is 1.5-3 mm, and the thickness of the UV curing glue is 0.2-0.3 mm.
The second aspect of the invention provides a preparation method of the recycled PVC high-strength flame-retardant floor film, which comprises the following steps:
(1) according to the proportion, the waste PVC, the stabilizer, the flame retardant plasticizer, the wood powder and the like are added into a high-speed mixer in the order of solid first and liquid second for mixing and stirring, so that the solid and the liquid are in complete contact and are uniformly mixed;
(2) cooling the uniformly mixed material in the step (1), adding the cooled material into an internal mixer for pressurizing and preplasticizing, and processing the powder into blocks by using the shearing pressure between two rollers;
(3) adding the block materials in the step (2) into an open mill, rolling and plasticizing for two times, filtering, and adding into an extruder for melt extrusion;
(4) conveying the material obtained in the step (3) to a metal detector, and detecting and removing heavy metal impurities;
(5) feeding the material without heavy metal impurities into a 4.5-6 m calender for calendering and plasticizing, and calendering the molten material into a sheet with the width of 3-4.5 m and the thickness of about 1.5-3 mm;
(6) stripping the sheet obtained in the step (5), printing transfer paper by using water-soluble or oil-soluble ink, attaching the transfer paper printed with patterns to the sheet in the printing process, treating the sheet on a printing machine, cooling the sheet at room temperature, and then coiling and rolling the sheet to obtain a floor membrane sheet printed with patterns;
(7) and (3) coating a layer of UV curing adhesive with the thickness of 0.2-0.3 mm on the surface of the floor membrane sheet printed with the pattern in the step (6), irradiating and curing by using an ultraviolet high-mercury lamp, cooling and shaping the cured sheet at room temperature, cutting edges and cutting to obtain the recycled PVC high-strength flame-retardant floor membrane, and recycling the leftover materials.
Preferably, in the step (1), the temperature of the high-speed mixer is controlled to be 130-150 ℃, the stirring time is about 3.5-4 min, and the stirring speed is about 500-900 r/min.
Preferably, in the step (2), the rolling time is 160-170 s, and the current is 220-240A.
Preferably, in the step (3), the temperature of the roller is about 180-190 ℃ during the first open milling, and the linear speed is 35-40 m/min; the temperature of the second open mixing roller is 170-180 ℃, and the roller speed is 33-38 m/min.
Preferably, in the step (3), the temperature of the melt extrusion is 200-220 ℃.
Preferably, in the step (4), the frequency of the metal detector is 300-700 Hz.
Preferably, in the step (6), the temperature of the treatment on the printing machine is 230-250 ℃ and the time is 15-25 s.
Preferably, in the step (7), the irradiation time of the ultraviolet high mercury lamp is 2-3 h, the temperature of the lamp tube is controlled at 650-800 ℃, and the cooling and shaping time is 24-36 h.
Preferably, the processing sizes of the high-speed mixer, the internal mixer, the open mill, the extruder, the calender and the metal detector are 4.5-6 m.
The third aspect of the invention provides application of the recycled PVC high-strength flame-retardant floor film, which is used for laying the floor in the field of building floor decoration materials and spliced by using a hot-melt welding process.
The recycled PVC high-strength flame-retardant floor film has the advantages and characteristics which cannot be achieved by the traditional floor material, such as light weight, ultrathin thickness, high strength, good flame-retardant property, easy maintenance, environmental protection, reproducibility and the like; different patterns can be designed according to the aesthetic sense of consumers to prepare the PVC floor film meeting the public requirements, and the PVC floor film has bright color, good printability and clear patterns; meanwhile, when the recycled PVC high-strength flame-retardant floor film is installed and constructed, manpower and material resources are saved, the laying method is simple and convenient, a hot-melt welding process is used, gaps are not obvious, seam pollution is reduced, the maintenance is simple, and the recycled PVC high-strength flame-retardant floor film is suitable for being laid in public places such as sports grounds, workshop factories and garages in a large area.
Compared with the prior art, the invention has the following beneficial effects:
(1) the recycled PVC high-strength flame-retardant floor film is prepared by taking building waste PVC as a raw material and adding a stabilizer, a curing agent, a plasticizer, wood flour and other auxiliaries into a system, has wide material sources and high cost performance, actively responds to environmental protection and sustainable development strategies in China, recycles building waste and changes waste into valuables. And the PVC plastic floor is one of a few renewable floor materials in the market, and with the stricter requirements of people on environmental protection and health, the recycled plastic PVC high-strength flame-retardant floor film plays a very important role in the building floor material industry.
(2) The recycled PVC high-strength flame-retardant floor film can be used for printing different patterns according to the requirements of different crowds, can be used for manufacturing personalized floor surfaces with exquisite patterns, clear printing and colorful colors according to the requirements of consumers, is supplied to public places such as sports grounds, workshop buildings, garages and the like, is suitable for large-area paving, and has a wider application range due to the unique advantages of ultraviolet resistance, wear resistance, scratch resistance, no deformation and the like of PVC plastic floors.
(3) The recycled PVC high-strength flame-retardant floor film is made of PVC plastic materials, is soft and comfortable, has good flexibility and elasticity, is not easy to crack when ceramic and glass products fall on the ground, and has flame retardance and strong safety. Due to the addition of wood flour and wood dust, compared with other pure PVC plastics, the PVC plastic has better strength and stability.
(4) The recycled PVC high-strength flame-retardant floor film disclosed by the invention is quick to install, is welded by hot melting, has unobvious splicing traces, and does not have the defect of large splicing gap of a common wooden floor, so that the pollution of seams is reduced, and the floor film is not damaged by worms and is easy to maintain. Because the product is a homogeneous and transparent product, the surface loss can be compensated by coating wax, and the appearance is as new as before.
(5) The recycled PVC high-strength flame-retardant floor film is light and ultrathin, can be coiled and transported after production, saves cost, reduces manpower and material resources, lightens floor bearing, and is suitable for large-area laying of high-rise buildings.
Drawings
Fig. 1 is a film structure of a recycled PVC high-strength flame retardant floor of example 1.
Fig. 2 is a flow chart of a process for preparing the recycled PVC high-strength flame retardant floor film of example 1.
Fig. 3 is a performance test of the recycled PVC high strength flame retardant flooring film of example 1.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Example 1
A recycled PVC high-strength flame-retardant floor film comprises a floor film sheet and UV curing adhesive covering the surface of the floor film sheet; the floor membrane comprises building waste PVC, a stabilizer, a flame-retardant plasticizer and wood powder according to the mass ratio of 8:1:1: 5. The structure is shown in figure 1.
According to the preparation method of the recycled PVC high-strength flame-retardant floor film, the waste building PVC, the stabilizer, the flame-retardant plasticizer and the wood powder are added into a high-speed mixer according to the proportion in the order of solid first and liquid second for mixing and stirring, the temperature is controlled to be 130-150 ℃, the stirring time is about 3.5-4 min, the stirring speed is reduced after uniform mixing, and the materials are cooled into dry powder. And conveying the mixed materials to an internal mixer for pressurization and preplasticizing, adding the preplasticized material colloid into an open mill for roll plasticizing after further mixing to obtain colloid with good transparency, and adding the colloid into the open mill for further plasticizing. And (3) adding the filtered mixture into an extruder for melt extrusion, discharging metal substances through a metal detector, conveying the metal substances into a calender for calendering and molding to obtain a laminated structure with a certain thickness. At the moment, the semi-finished product is finely processed, printed, compounded, embossed, placed at room temperature for cooling and rolling, coated with UV curing glue for UV treatment surface curing, and finally split, packaged and transported out.
As shown in fig. 2, the steps are as follows:
(1) building waste PVC, a stabilizer, a flame-retardant plasticizer and wood powder are mixed according to the proportion of 8:1:1:5, adding the mixture into a high-speed mixer in the order of solid and liquid, mixing and stirring, controlling the temperature at 130 ℃, stirring for about 3.5min at the stirring speed of about 700r/min, and completely contacting the solid and the liquid and uniformly mixing.
(2) And (2) cooling the material obtained in the step (1), adding the cooled material into an internal mixer for plastication, and processing the powder into blocks through the shearing pressure between two rollers, wherein the rolling time is 160s, and the current is 220A.
(3) Adding the material obtained in the step (2) into an open mill, wherein the roller temperature is about 180 ℃ during the first open mill, and the linear speed is 35 m/min; the temperature of the second open mixing roller is 170 ℃, and the roller speed is 33 m/min; filtering, adding the mixture into an extruder, and carrying out melt extrusion at the temperature of 220 ℃.
(4) And (4) conveying the material extruded in the step (3) to a metal detector through a conveyor belt, and detecting and removing heavy metals, wherein the frequency of the metal detector is 300 Hz.
(5) And (4) feeding the material from which the metal impurities are removed in the step (4) into a 4.5m calender for calendering and plasticizing, and calendering the molten material into a sheet with the width of 3m and the thickness of about 1.5 mm.
(6) And (3) peeling off the rolled sheet in the step (5), printing transfer paper by using water-soluble or oil-soluble ink, attaching the transfer paper printed with patterns to the sheet in the printing process, processing the sheet for 15s on a printing machine at 230 ℃, cooling the sheet at room temperature, and winding the sheet.
(7) And (3) coating a layer of UV curing adhesive with the thickness of 0.2mm on the surface of the floor membrane sheet printed with the pattern in the step (6), irradiating for 2 hours by using an ultraviolet high mercury lamp, controlling the temperature of a lamp tube at 650 ℃, and cooling the base material, the lamp tube and a reflecting lampshade by using water while irradiating and curing. And finally, cooling and shaping the cured plate for 24 hours at room temperature, trimming and cutting, segmenting every 2.5m, recycling leftover materials, and selling in rolls.
In this example, the flame retardant plasticizer was dioctyl phthalate, and the density at 25 ℃ was 0.985g/cm2The boiling point is 385 ℃.
The UV curing adhesive is composed of urethane acrylate and a silane coupling agent A-151 in a mass ratio of 1:2, wherein: the average molecular weight of the urethane acrylate prepolymer is 1500-1600, and the viscosity at 60 ℃ is 3600-4000 cps; the silane coupling agent A-151 has a density of 0.905 to 0.908g/cm at 25 DEG C3The boiling point of the glass is 161 ℃ under 760mm Hg, and the refractive index is about 1.395-1.400.
The performance test of the recycled PVC high-strength flame retardant floor film of example 1 is shown in fig. 3.
The recycled PVC high-strength flame-retardant floor film can be paved as a ground in the field of building ground decoration materials, and the application method comprises the following steps: in various indoor and outdoor decoration and decoration projects, the recycled PVC high-strength flame-retardant floor film disclosed by the invention uses a hot-melt welding process, has small splicing gaps and low construction difficulty, can be wiped off by water, and can be directly used within 24 hours after being installed.
Example 2
Compared with the example 1, the mixing temperature of the flame-retardant plasticizer, the stabilizer, the flame-retardant plasticizer and the wood powder in the step (1) is changed from 130 ℃ to 135 ℃, and other conditions are kept unchanged.
Example 3
Compared with the example 1, the mixing temperature of the flame-retardant plasticizer, the stabilizer, the flame-retardant plasticizer and the wood powder in the step (1) is changed from 130 ℃ to 150 ℃, and other conditions are kept unchanged.
Example 4
Compared with the example 1, the stirring time of the waste PVC, the stabilizer, the flame-retardant plasticizer and the wood powder in the step (1) is changed from 3.5min to 4min, the stirring speed is changed from 700r/min to 500r/min, and other conditions are kept unchanged.
Example 5
Compared with the example 1, the stirring time of the waste PVC, the stabilizer, the flame-retardant plasticizer and the wood powder in the step (1) is changed from 3.5min to 3.8min, the stirring speed is changed from 700r/min to 900r/min, and other conditions are kept unchanged.
Example 6
Compared with the example 1, the rolling time of the materials in the step (2) in the internal mixer is changed from 160s to 165s, the current is changed from 220A to 225A, and other conditions are kept unchanged.
Example 7
Compared with the example 1, the rolling time of the materials in the step (2) in the internal mixer is changed from 160s to 170s, the current is changed from 220A to 240A, and other conditions are kept unchanged.
Example 8
Compared with the example 1, the temperature of the first open mixing roller in the step (3) is changed from 180 ℃ to 185 ℃, and the linear speed is changed from 35m/min to 40 m/min.
Example 9
Compared with the example 1, the temperature of the first open roll in the step (3) is changed from 180 ℃ to 190 ℃, and the linear speed is changed from 35m/min to 38 m/min.
Example 10
Compared with the example 1, the temperature of the second open roll in the step (3) is changed from 170 ℃ to 175 ℃, and the linear speed is changed from 33m/min to 36 m/min.
Example 11
Compared with the example 1, the temperature of the second open roll in the step (3) is changed from 170 ℃ to 180 ℃, and the linear speed is changed from 33m/min to 38 m/min.
Example 12
Compared with the embodiment 1, the frequency of the metal detector in the step (4) is changed from 300Hz to 500Hz, and other conditions are kept unchanged.
Example 13
Compared with the embodiment 1, the frequency of the metal detector in the step (4) is changed from 300Hz to 700Hz, and other conditions are kept unchanged.
Example 14
Compared with the example 1, the specification of the calender in the step (5) is changed from 4.5m to 5.0m, and other conditions are kept unchanged.
Example 15
Compared with the example 1, the specification of the calender in the step (5) is changed from 4.5m to 6m, and other conditions are kept unchanged.
Example 16
The thickness of the sheet in step (5) was about 2mm compared to example 1, and the other conditions were kept unchanged.
Example 17
The thickness of the sheet in step (5) was about 3mm compared to example 1, and the other conditions were kept unchanged.
Example 18
Compared with the example 1, the temperature of the printing machine in the step (6) is changed from 230 ℃ to 240 ℃, and other conditions are kept unchanged.
Example 19
Compared with the example 1, the temperature of the printing machine in the step (6) is changed from 230 ℃ to 250 ℃, and other conditions are kept unchanged.
Example 20
Compared with the example 1, the processing time of the printing machine in the step (6) is changed from 15s to 20s, and other conditions are kept unchanged.
Example 21
Compared with the example 1, the processing time of the printing machine in the step (6) is changed from 15s to 25s, and other conditions are kept unchanged.
Example 22
Compared with the example 1, the thickness of the UV curing glue applied in the step (7) is changed from 0.2mm to 0.25mm, and other conditions are kept unchanged.
Example 23
Compared with the example 1, the thickness of the UV curing glue applied in the step (7) is changed from 0.2mm to 0.3mm, and other conditions are kept unchanged.
Example 24
Compared with the example 1, the irradiation time of the ultraviolet high mercury lamp in the step (7) is changed from 2h to 2.5h, and other conditions are kept unchanged.
Example 25
Compared with the example 1, the irradiation time of the ultraviolet high mercury lamp in the step (7) is changed from 2h to 3h, and other conditions are kept unchanged.
Example 26
Compared with the embodiment 1, the temperature of the lamp tube in the step (7) is changed from 650 ℃ to 700 ℃, and other conditions are kept unchanged.
Example 27
Compared with the embodiment 1, the temperature of the lamp tube in the step (7) is changed from 650 ℃ to 800 ℃, and other conditions are kept unchanged.
Example 28
Compared with the example 1, the room temperature cooling time in the step (7) is changed from 24h to 36h, and other conditions are kept unchanged.
Example 29
Compared with the example 1, the room temperature cooling time in the step (7) is changed from 24h to 30h, and other conditions are kept unchanged.
Example 30
Compared with the embodiment 1, the segment length in the step (7) is changed from 2.5m to 3m, and other conditions are kept unchanged.
Example 31
Compared with the embodiment 1, the segment length in the step (7) is changed from 2.5m to 2.8m, and other conditions are kept unchanged.
Example 32
Compared with example 1, in the floor film sheet in the recycled PVC high-strength flame-retardant floor film in the embodiment, the weight ratio of the building waste PVC, the stabilizer, the flame-retardant plasticizer and the wood flour is 5:1:1: 4.
Example 33
Compared with the example 1, in the floor film sheet in the recycled PVC high-strength flame-retardant floor film in the example, the weight ratio of the building waste PVC, the stabilizer, the flame-retardant plasticizer and the wood powder is 10:1:1: 3.
Example 34
In the floor film sheet of the recycled PVC high strength flame retardant floor film of this example, the flame retardant plasticizer was triisopropylphenyl phosphate, and the boiling point was 365 ℃ and the flash point was 175 ℃ at 760mmHg, as compared with example 1.
Example 35
The temperature of the melt extrusion in the step (3) in this example was 230 ℃ as compared with that in example 1.
Example 36
The temperature of the melt extrusion in the step (3) in this example was 240 ℃ as compared with example 1.
The recycled plastic PVC high strength flame retardant flooring films obtained in examples 2-36 have similar properties to the product of example 1.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims (10)

1. A recycled PVC high-strength flame-retardant floor film is characterized by comprising a floor film sheet and UV curing adhesive covering the surface of the floor film sheet;
the floor film sheet comprises the following raw materials in parts by weight:
Figure FDA0002754720370000011
2. the recycled PVC high-strength flame-retardant floor film as claimed in claim 1, wherein the relative density of the construction waste PVC is 1.5g/cm3The tensile strength is 60 to 65MPa, and the impact strength is 6 to 10kJ/m2The flame retardant value is more than 45, and the heat capacity value is 0.9 kJ/(kg.K).
3. The recycled PVC high-strength flame-retardant floor film as claimed in claim 1, wherein the stabilizer is a barium-zinc composite stabilizer, the specific gravity is 0.95-1.02 at normal temperature, and the freezing point is-15 ℃.
4. The recycled PVC high strength fire retardant floor film according to claim 1, wherein the fire retardant plasticizer is dioctyl phthalate or triisopropylphenyl phosphate;
the density of dioctyl phthalate at 25 ℃ is 0.985g/cm2The boiling point is 385 ℃;
the boiling point of triisopropylphenyl phosphate at 760mmHg is 365 ℃ and the flash point is 175 ℃.
5. The recycled PVC high-strength flame-retardant floor film as claimed in claim 1, wherein the UV curing glue is composed of urethane acrylate and a silane coupling agent A-151 in a mass ratio of 1:2, wherein:
the average molecular weight of the urethane acrylate is 1500-1600, and the viscosity at 60 ℃ is 3600-4000 cps;
the silane coupling agent A-151 has a density of 0.905 to 0.908g/cm at 25 DEG C3The boiling point of the glass is 161 ℃ under 760mm Hg, and the refractive index is 1.395-1.400.
6. The recycled PVC high-strength flame-retardant floor film as claimed in claim 1, wherein the thickness of the floor film sheet is 1.5-3 mm, and the thickness of the UV curing glue is 0.2-0.3 mm.
7. The preparation method of the recycled PVC high-strength flame-retardant floor film as claimed in any one of claims 1 to 6, which comprises the following steps:
(1) according to the proportion, the waste PVC, the stabilizer, the flame retardant plasticizer, the wood powder and the like are added into a high-speed mixer in the order of solid first and liquid second for mixing and stirring, so that the solid and the liquid are in complete contact and are uniformly mixed;
(2) cooling the uniformly mixed material in the step (1), adding the cooled material into an internal mixer for pressurizing and preplasticizing, and processing the powder into blocks by using the shearing pressure between two rollers;
(3) adding the block materials in the step (2) into an open mill, rolling and plasticizing for two times, filtering, and adding into an extruder for melt extrusion;
(4) conveying the material obtained in the step (3) to a metal detector, and detecting and removing heavy metal impurities;
(5) feeding the material without the heavy metal impurities into a 4.5-6 m calender for calendering and plasticizing, and calendering the molten material into a sheet with the width of 3-4.5 m and the thickness of 1.5-3 mm;
(6) stripping the sheet obtained in the step (5), printing transfer paper by using water-soluble or oil-soluble ink, attaching the transfer paper printed with patterns to the sheet in the printing process, treating the sheet on a printing machine, cooling the sheet at room temperature, and then coiling and rolling the sheet to obtain a floor membrane sheet printed with patterns;
(7) and (3) coating a layer of UV curing adhesive with the thickness of 0.2-0.3 mm on the surface of the floor membrane sheet printed with the pattern in the step (6), irradiating and curing by using an ultraviolet high-mercury lamp, cooling and shaping the cured sheet at room temperature, cutting edges and cutting to obtain the recycled PVC high-strength flame-retardant floor membrane, and recycling the leftover materials.
8. The preparation method of the recycled PVC high-strength flame-retardant floor film according to claim 7, characterized by comprising any one or more of the following conditions:
(i) in the step (1), the temperature of the high-speed mixer is controlled to be 130-150 ℃, the stirring time is 3.5-4 min, and the stirring speed is 500-900 r/min;
(ii) in the step (2), the rolling time is 160-170 s, and the current is 220-240A;
(iii) in the step (3), the temperature of the roller is 180-190 ℃ during the first open milling, and the linear speed is 35-40 m/min; the temperature of the second open mill roller is 170-180 ℃, and the roller speed is 33-38 m/min;
(iv) in the step (3), the temperature of melt extrusion is 200-220 ℃;
(v) in the step (4), the frequency of the metal detector is 300-700 Hz;
(vi) in the step (6), the temperature for processing on the printing machine is 230-250 ℃ and the time is 15-25 s;
(vii) in the step (7), the irradiation time of the ultraviolet high mercury lamp is 2-3 h, the temperature of the lamp tube is controlled at 650-800 ℃, and the cooling and shaping time is 24-36 h.
9. The preparation method of the recycled PVC high-strength flame-retardant floor film according to claim 7, wherein the processing sizes of the high-speed mixer, the internal mixer, the open mill, the extruder, the calender and the metal detector are 4.5-6 m.
10. The application of the recycled PVC high-strength flame-retardant floor film as claimed in any one of claims 1 to 6, which is used for floor laying in the field of building floor decoration materials and spliced by using a hot-melt welding process.
CN202011198604.3A 2020-10-31 2020-10-31 Recycled PVC high-strength flame-retardant floor film and preparation method and application thereof Pending CN112341944A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011198604.3A CN112341944A (en) 2020-10-31 2020-10-31 Recycled PVC high-strength flame-retardant floor film and preparation method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011198604.3A CN112341944A (en) 2020-10-31 2020-10-31 Recycled PVC high-strength flame-retardant floor film and preparation method and application thereof

Publications (1)

Publication Number Publication Date
CN112341944A true CN112341944A (en) 2021-02-09

Family

ID=74355554

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011198604.3A Pending CN112341944A (en) 2020-10-31 2020-10-31 Recycled PVC high-strength flame-retardant floor film and preparation method and application thereof

Country Status (1)

Country Link
CN (1) CN112341944A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113150469A (en) * 2021-05-17 2021-07-23 常州市贝美家居科技有限公司 PVC (polyvinyl chloride) substrate, preparation method thereof and PVC composite floor
CN114316469A (en) * 2021-12-30 2022-04-12 同济大学 Method for preparing wear-resistant flame-retardant industrial floor film by using waste PVC (polyvinyl chloride)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070202305A1 (en) * 2006-02-24 2007-08-30 Dooil Co., Ltd. Floor including wood powder and method of manufacturing the same
CN102848669A (en) * 2011-06-30 2013-01-02 上海大巨龙蓬盖新材料有限公司 A wall covering with PVC printed on glass fiber base material and its manufacturing method
CN103044804A (en) * 2012-12-11 2013-04-17 浙江博泰塑胶有限公司 Flame-retardant transparent floor film and production technology thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070202305A1 (en) * 2006-02-24 2007-08-30 Dooil Co., Ltd. Floor including wood powder and method of manufacturing the same
CN102848669A (en) * 2011-06-30 2013-01-02 上海大巨龙蓬盖新材料有限公司 A wall covering with PVC printed on glass fiber base material and its manufacturing method
CN103044804A (en) * 2012-12-11 2013-04-17 浙江博泰塑胶有限公司 Flame-retardant transparent floor film and production technology thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113150469A (en) * 2021-05-17 2021-07-23 常州市贝美家居科技有限公司 PVC (polyvinyl chloride) substrate, preparation method thereof and PVC composite floor
CN114316469A (en) * 2021-12-30 2022-04-12 同济大学 Method for preparing wear-resistant flame-retardant industrial floor film by using waste PVC (polyvinyl chloride)

Similar Documents

Publication Publication Date Title
CN112341944A (en) Recycled PVC high-strength flame-retardant floor film and preparation method and application thereof
CN102312380B (en) Production method and equipment for double-sided adhesive waterproof coiled material of macromolecular tire
CN101481232B (en) High strength waterproof stone-wood floor and technique for producing the same
CN102070856A (en) Stone-plastic wood floor and processing technology thereof
CN107672144A (en) A kind of production method of PVC profile
CN104960267A (en) Modified asphalt waterproof coiled material
CN101845186A (en) Modified polyvinyl butyral waterproof coiled material
CN111423680A (en) Polyvinyl butyral remainder modified granulated substance, manufacturing process thereof and method for producing product by using casting mode through granulated substance
WO2014117620A1 (en) Elastic plastic floor and manufacturing method thereof
CN101538801B (en) Composite red mud coiled material used for biogas project and preparation method thereof
CN117024935B (en) Thermoplastic composite board based on recycled glass fiber products and preparation method and application thereof
CN103373030A (en) Hydrophilic anti-adherent film and preparation method
CN115074048B (en) Thermosensitive discoloring body reverse-adhesion type TPO (thermoplastic polyolefin) macromolecular waterproof coiled material and preparation method thereof
CN113462097B (en) High-strength super-wear-resistant flame-retardant waterproof coiled material and preparation method and application thereof
CN101457006B (en) Wood-like co-extrusion PMMA modified material and preparation method thereof
CN104989074A (en) PVC composite floor board with fireproof flame-retardant structure and manufacturing process of PVC composite floor board
CN109503967B (en) Cold-resistant-65 ℃ chlorinated polyethylene waterproof coiled material and production method thereof
US9168721B2 (en) Tile and method for manufacturing the same
CN202656561U (en) Hydrophilic anti-adhesion membrane
CN211775161U (en) Modified asphalt waterproof coiled material for roof repairing
CN113914567A (en) Novel micro-foaming carbon spar wallboard and processing technology thereof
CN113665183A (en) Color sand decorative plate and preparation method and application thereof
CN112409722B (en) Technological PVC (polyvinyl chloride) barrier film prepared from building waste PVC (polyvinyl chloride) and method
CN209937903U (en) Acid-resistant and corrosion-resistant metal aluminum plastic plate for water prevention of toilet
CN114316469A (en) Method for preparing wear-resistant flame-retardant industrial floor film by using waste PVC (polyvinyl chloride)

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210209

RJ01 Rejection of invention patent application after publication