CN114477849A - High-yield and high-quality stone plastic floor and preparation process - Google Patents
High-yield and high-quality stone plastic floor and preparation process Download PDFInfo
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- CN114477849A CN114477849A CN202210125678.7A CN202210125678A CN114477849A CN 114477849 A CN114477849 A CN 114477849A CN 202210125678 A CN202210125678 A CN 202210125678A CN 114477849 A CN114477849 A CN 114477849A
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- calcium carbonate
- plastic floor
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- 229920003023 plastic Polymers 0.000 title claims abstract description 64
- 239000004033 plastic Substances 0.000 title claims abstract description 64
- 239000004575 stone Substances 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 130
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 125
- 239000000203 mixture Substances 0.000 claims abstract description 88
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 60
- 239000004709 Chlorinated polyethylene Substances 0.000 claims abstract description 42
- 239000006229 carbon black Substances 0.000 claims abstract description 28
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 27
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 27
- 239000004605 External Lubricant Substances 0.000 claims abstract description 25
- 239000004610 Internal Lubricant Substances 0.000 claims abstract description 25
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000003381 stabilizer Substances 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims description 138
- 239000002994 raw material Substances 0.000 claims description 50
- 239000000758 substrate Substances 0.000 claims description 33
- 238000003756 stirring Methods 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 16
- 238000010030 laminating Methods 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000009408 flooring Methods 0.000 claims description 5
- 238000003490 calendering Methods 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005336 cracking Methods 0.000 description 8
- 238000007599 discharging Methods 0.000 description 8
- 238000011049 filling Methods 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000007888 film coating Substances 0.000 description 3
- 238000009501 film coating Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing halogen
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/002—Combinations of extrusion moulding with other shaping operations combined with surface shaping
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/287—Raw material pre-treatment while feeding
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
- B29C59/043—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts for profiled articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Floor Finish (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a high-yield and high-quality stone plastic floor and a preparation process thereof, wherein the stone plastic floor comprises the following components in parts by weight: polyvinyl chloride: 30-70 parts; heavy calcium carbonate: 140-180 parts; mixture of chlorinated polyethylene and calcium carbonate: 1-6 parts; styrene-acrylonitrile copolymer: 1-5 parts; material returning: 50-90 parts; internal lubricant: 0.1-1 part; external lubricant: 0.1-1 part; calcium zinc stabilizer: 1-8 parts; carbon black: 0.1-1 part, the invention has reasonable structure, good energy-saving effect, high yield, high production efficiency and high production quality.
Description
Technical Field
The invention relates to a high-yield and high-quality stone-plastic floor and a preparation process thereof, belonging to the technical field of stone-plastic floor preparation processes.
Background
The stone-plastic floor is a novel environment-friendly floor which is mainstream in European and American markets at present, adopts environment-friendly raw and auxiliary materials to extrude and the like, is a floor product formed in one step through a series of physical processes, does not contain harmful substances such as formaldehyde and the like, and has the advantages of wear resistance, fire resistance, skid resistance, corrosion resistance and the like.
In the prior art, when the stone plastic floor is produced, the discharged materials are not uniform when the raw materials are used, so that the discharged materials are easy to crack, deform, stretch and break, the waste of the raw materials is caused, the cost is increased, the energy-saving effect is poor, and the yield is low; the quality of a discharged product is reduced due to the conditions of cracking, deformation, stretching and breaking of discharged materials, and when the mixed materials are mixed and wrapped in a hot mixing pot, the mixed materials are uneven, so that the discharge quality is influenced, and the quality of the prepared stone plastic floor is reduced; and the situation of cracking, deformation, stretching and breaking of the discharged materials can also cause the damage of an extruder of the extruded materials, thereby increasing the time for maintaining the extruder and causing low production efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a stone plastic floor with high yield and high quality and a preparation process 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 stone plastic floor with high yield and high quality comprises the following components in parts by weight:
polyvinyl chloride: 30-70 parts;
heavy calcium carbonate: 140-180 parts;
mixture of chlorinated polyethylene and calcium carbonate: 1-6 parts;
styrene-acrylonitrile copolymer: 1-5 parts;
material returning: 50-90 parts;
internal lubricant: 0.1-1 part;
external lubricant: 0.1-1 part;
calcium zinc stabilizer: 1-8 parts;
carbon black: 0.1-1 part.
The stone plastic floor with high yield and high quality comprises the following components in parts by weight:
polyvinyl chloride: 50 parts of a mixture;
heavy calcium carbonate: 160 parts of (B);
mixture of chlorinated polyethylene and calcium carbonate: 3 parts of a mixture;
styrene-acrylonitrile copolymer: 2.2 parts of;
material returning: 70 parts of (B);
internal lubricant: 0.5 part;
external lubricant: 0.5 part;
calcium zinc stabilizer: 4 parts of a mixture;
carbon black: 0.5 part.
The stone plastic floor with high yield and high quality comprises the following components in parts by weight:
polyvinyl chloride: 50 parts of a mixture;
heavy calcium carbonate: 160 parts of (B);
mixture of chlorinated polyethylene and calcium carbonate: 1 part;
styrene-acrylonitrile copolymer: 1.5 parts;
material returning: 70 parts of (B);
internal lubricant: 0.5 part;
external lubricant: 0.5 part;
calcium zinc stabilizer: 4 parts of a mixture;
carbon black: 0.5 part.
The stone plastic floor with high yield and high quality comprises the following components in parts by weight:
polyvinyl chloride: 50 parts of a mixture;
heavy calcium carbonate: 160 parts of (B);
mixture of chlorinated polyethylene and calcium carbonate: 5 parts of a mixture;
styrene-acrylonitrile copolymer: 4 parts of a mixture;
material returning: 70 parts of (B);
internal lubricant: 0.5 part;
external lubricant: 0.5 part;
calcium zinc stabilizer: 4 parts of a mixture;
carbon black: 0.5 part.
A preparation process of a high-quality stone plastic floor with high yield comprises the following steps:
preparing raw materials in step (A)
The energy-saving and high-quality stone plastic floor is prepared according to a formula, the weight of the energy-saving and high-quality stone plastic floor is weighed, stirred and mixed uniformly, and the formula comprises the following components in parts by weight: polyvinyl chloride: 30-70 parts; heavy calcium carbonate: 140-180 parts; mixture of chlorinated polyethylene and calcium carbonate: 1-6 parts; styrene-acrylonitrile copolymer: 1-5 parts; material returning: 50-90 parts; internal lubricant: 0.1-1 part; external lubricant: 0.1-1 part; calcium zinc stabilizer: 1-8 parts; carbon black: 0.1-1 part;
step (B), sending the prepared raw materials into a hot mixing pot;
step (B01), putting the mixture of the chlorinated polyethylene and the calcium carbonate in the raw materials prepared in the step (A) into a hot mixing pot for stirring and mixing, and fully mixing the carbon black and the mixture of the chlorinated polyethylene and the calcium carbonate;
then putting the polyvinyl chloride and the ground limestone into a hot mixing pot in sequence to stir and mix the materials;
then sequentially putting the return material, the calcium-zinc stabilizer, the internal lubricant and the external lubricant into a hot mixing pot, and stirring and mixing to form a final mixed material;
step (B02), feeding and mixing the final mixed material in the step (B01) at the frequency of a hot mixing motor in the hot mixing pot of the step (B01) of 20-30Hz, and then mixing and wrapping at the frequency of the hot mixing motor of 40-50 Hz;
step (B03), the configured raw materials are mixed in a hot mixing pot for 400-420 seconds or at a temperature of 120-130 ℃;
step (C), sending the mixed material to a cold mixing pot
Step (C01), the mixed material reaches one of the two conditions in the step (B03), namely the mixed material is sent to the interior of the cold mixing pot;
step (C02), enabling the wrapped mixed materials entering the interior of the cold mixing pot to continuously run and cool at the frequency of a cold mixing motor in the interior of the cold mixing pot being 10-20 Hz;
step (D), conveying the package mixed material cooled in the step (C02) into an extruder through an automatic supply system;
extruding the wrapped mixed material sent to the interior of the extruder;
step (E01), the extruder is provided with 6 areas, the wrapped mixed material is sequentially heated in the environment of 190-;
step (E02), extruding the plasticized mixed material into a mould through a confluence core to form a base material plate;
step (F), performing extension laminating on the substrate plate
Step (F01), a mirror roller and a shading roller in the roller calendering film covering machine are matched with each other to print bottom grains on the substrate board, and the set temperatures of the mirror roller and the shading roller are both 165-175 ℃ which is the same as the mold temperature of the substrate board;
step (F011), after the bottom lines of the substrate are shaped, laminating the surface of the substrate, wherein one layer of the laminated film is a color film, the other layer of the laminated film is a resistant film, the tension of the color film and the resistant film is adjusted through a tension adjuster, and the color film and the resistant film are prevented from deviating during laminating by adopting a deviation corrector;
step (F02), a transition rubber roller with the temperature of 155-165 ℃ in a roller rolling film covering machine is used for enabling the film-covered substrate plate to flow between the pattern bottom roller and the pattern roller;
and (F03) mutually matching a pattern bottom roller and a pattern roller in the roller rolling film covering machine to print required lines on the surface of the base material plate to form the required stone plastic floor, wherein the set temperatures of the pattern bottom roller and the pattern roller are both 145 and 155 ℃.
The preparation process of the stone plastic floor with high yield and high quality is characterized in that the raw materials in the step (B02) are mixed in a hot mixing pot for 410 seconds or at a temperature of 125 ℃.
The preparation process of the stone plastic floor with high yield and high quality is characterized in that the frequency of the cold mixing motor in the cold mixing pot in the step (C02) is 15 Hz.
The process for manufacturing a high-quality stone plastic flooring with a high yield is characterized in that the temperatures of the 6 zones of the extruder in the step (E01) are 1 zone 195 ℃, 2 zone 205 ℃, 3 zone 205 ℃, 4 zone 190 ℃, 5 zone 180 ℃ and 6 zone 170 ℃.
The invention has the beneficial effects that: the stone plastic floor with high yield and high quality and the preparation process of the stone plastic floor are used as follows:
1. firstly, the carbon black and the mixture of the chlorinated polyethylene and the calcium carbonate are fully mixed, the mixture of the carbon black, the chlorinated polyethylene and the calcium carbonate is stirred and mixed firstly, the anti-tearing performance of the chlorinated polyethylene is improved, meanwhile, the calcium carbonate and the chlorinated polyethylene act to improve the filling performance of the chlorinated polyethylene, then the polyvinyl chloride and the heavy calcium carbonate are sequentially put into a hot mixing pot to be mixed and stirred with the uniformly mixed mixture of the chlorinated polyethylene and the calcium carbonate, and the anti-tearing and filling uniformity is improved, so that the anti-tearing and filling performances of the final mixed material are more uniform, the conditions of cracking, deformation, stretching and breaking when the extruder extrudes the material, the product quality is improved, the conditions of cracking and the like when the extruder extrudes the material, the waste caused when the material is discharged can be effectively avoided, the energy is saved, and the yield is improved, the extruder can be prevented from being damaged due to cracking and the like, the time for daily maintenance of the extruder is saved, and the production efficiency is improved;
2. the hot mixing motor rotates at a low speed of 25Hz and then rotates at a high speed of 45Hz, the low-speed operation facilitates the mixed materials to enter, the raw and auxiliary materials are prevented from being accumulated together, the load of the hot mixing motor can be reduced, the service life of the motor is prolonged, the high-speed operation is to fully mix and wrap the raw and auxiliary materials, the mixing time is shortened, the production efficiency is improved, the influence on the discharging quality due to uneven mixing is avoided, and the quality of the stone-plastic floor is improved;
3. the frequency of the cold mixing motor is 15Hz, the cold mixing motor continuously runs at a low speed, the single-frequency low-speed running is used for fully cooling the mixed raw materials, the raw materials are further mixed, the effects of uniform distribution and wrapping are achieved, the raw materials are fully mixed and wrapped secondarily, the mixing time is shortened, the production efficiency is improved, uneven mixing is avoided, the discharging quality is influenced, and the quality of the stone plastic floor is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
Example 1
The embodiment is a preparation method of a stone-plastic floor with high yield and high quality, and the stone-plastic floor comprises the following components in parts by weight:
polyvinyl chloride: 30-70 parts;
heavy calcium carbonate: 140-180 parts;
mixture of chlorinated polyethylene and calcium carbonate: 1-6 parts;
styrene-acrylonitrile copolymer: 1-5 parts;
material returning: 50-90 parts;
internal lubricant: 0.1-1 part;
external lubricant: 0.1-1 part;
calcium zinc stabilizer: 1-8 parts;
carbon black: 0.1-1 part.
The preparation process of the energy-saving and high-quality stone plastic floor in the embodiment 1 includes the following steps:
preparing raw materials in step (A)
The energy-saving and high-quality stone plastic floor is weighed, stirred and mixed uniformly according to the raw material composition of the stone plastic floor, and the raw materials comprise the following components in parts by weight: polyvinyl chloride: 30-70 parts; heavy calcium carbonate: 140-180 parts; mixture of chlorinated polyethylene and calcium carbonate: 1-6 parts; styrene-acrylonitrile copolymer: 1-5 parts; material returning: 50-90 parts; internal lubricant: 0.1-1 part; external lubricant: 0.1-1 part; calcium zinc stabilizer: 1-8 parts; carbon black: 0.1-1 part;
step (B), sending the prepared raw materials into a hot mixing pot;
step (B01), putting the mixture of the chlorinated polyethylene and the calcium carbonate in the raw materials prepared in the step (A) into a hot mixing pot for stirring and mixing, and fully mixing the carbon black and the mixture of the chlorinated polyethylene and the calcium carbonate;
then putting the polyvinyl chloride and the ground limestone into a hot mixing pot in sequence to stir and mix the materials;
then sequentially putting the return material, the calcium-zinc stabilizer, the internal lubricant and the external lubricant into a hot mixing pot, and stirring and mixing to form a final mixed material;
step (B02), feeding and mixing the final mixed material in the step (B01) at the frequency of a hot mixing motor in the hot mixing pot of the step (B01) of 20-30Hz, and then mixing and wrapping at the frequency of the hot mixing motor of 40-50 Hz;
step (B03), the configured raw materials are mixed in a hot mixing pot for 400-420 seconds or at a temperature of 120-130 ℃;
step (C), sending the mixed material to a cold mixing pot
Step (C01), the mixed material reaches one of the two conditions in the step (B03), namely the mixed material is sent to the interior of the cold mixing pot;
step (C02), enabling the wrapped mixed materials entering the interior of the cold mixing pot to continuously run and cool at the frequency of a cold mixing motor in the interior of the cold mixing pot being 10-20 Hz;
step (D), conveying the package mixed material cooled in the step (C02) into an extruder through an automatic supply system;
extruding the wrapped mixed material sent to the interior of the extruder;
step (E01), the extruder is provided with 6 areas, the wrapped mixed material is sequentially heated in the environment of 190-200 ℃ in the area 1 and 200-210 ℃ in the area 2, then the heated wrapped mixed material is sequentially plasticized in the environment of 200-210 ℃ in the area 3, 185-195 ℃ in the area 4 and 175-185 ℃ in the area 5, and the plasticized mixed material is kept at the temperature in the environment of 165-175 ℃ in the area 6;
step (E02), extruding the plasticized mixed material into a mould through a confluence core to form a base material plate;
step (F), performing extension laminating on the substrate plate
Step (F01), a mirror roller and a shading roller in the roller calendering film covering machine are matched with each other to print bottom grains on the substrate board, and the set temperatures of the mirror roller and the shading roller are both 165-175 ℃ which is the same as the mold temperature of the substrate board;
step (F011), after the bottom lines of the substrate are shaped, laminating the surface of the substrate, wherein one layer of the laminated film is a color film, the other layer of the laminated film is a resistant film, the tension of the color film and the resistant film is adjusted through a tension adjuster, and the color film and the resistant film are prevented from deviating during laminating by adopting a deviation corrector;
step (F02), a transition rubber roller with the temperature of 155-165 ℃ in a roller rolling film covering machine is used for enabling the film-covered substrate plate to flow between the pattern bottom roller and the pattern roller;
and (F03) mutually matching a pattern bottom roller and a pattern roller in the roller calendering film covering machine to print required lines on the surface of the base material plate to form the required stone plastic floor, wherein the set temperatures of the pattern bottom roller and the pattern roller are both 145-155 ℃, the interiors of a mirror surface roller, a bottom pattern roller, a transition rubber roller, the pattern bottom roller and the pattern roller are all hollow structures, the temperature of the rollers is kept by heat conduction oil in the interiors, and the heat conduction oil is circularly heated by an oil temperature machine to keep the constant temperature of the rollers for a long time.
The following stone-plastic flooring and the manufacturing process thereof according to example 1, which is energy-saving and has high quality, were manufactured,
in the case of the example 2, the following examples are given,
the raw materials of the stone plastic floor with high yield and high quality comprise the following components in parts by weight: polyvinyl chloride: 50 parts of a mixture; heavy calcium carbonate: 160 parts of (B); mixture of chlorinated polyethylene and calcium carbonate: 3 parts of a mixture; styrene-acrylonitrile copolymer: 2.2 parts of; material returning: 70 parts of (B); internal lubricant: 0.5 part; external lubricant: 0.5 part; calcium zinc stabilizer: 4 parts of a mixture; carbon black: 0.5 part;
the preparation process of example 2, comprising the following steps,
step (A1) preparing raw materials
The energy-saving and high-quality stone plastic floor is weighed, stirred and mixed uniformly according to the raw material composition of the stone plastic floor, and the raw materials comprise the following components in parts by weight: polyvinyl chloride: 50 parts of a mixture; heavy calcium carbonate: 160 parts of (B); mixture of chlorinated polyethylene and calcium carbonate: 3 parts of a mixture; styrene-acrylonitrile copolymer: 2.2 parts of; material returning: 70 parts of (B); internal lubricant: 0.5 part; external lubricant: 0.5 part; calcium zinc stabilizer: 4 parts of a mixture; carbon black: 0.5 part;
step (B1), sending the prepared raw materials into a hot mixing pot;
step (B11), putting the mixture of the chlorinated polyethylene and the calcium carbonate in the raw materials prepared in the step (A1) into a hot mixing pot for stirring and mixing;
then putting polyvinyl chloride and heavy calcium carbonate into a hot mixing pot in sequence to stir and mix, firstly, fully mixing carbon black and a mixture of chlorinated polyethylene and calcium carbonate, stirring and mixing the carbon black, the mixture of chlorinated polyethylene and calcium carbonate in sequence to improve the tear resistance of the chlorinated polyethylene, simultaneously, enabling the calcium carbonate to act on the chlorinated polyethylene to improve the filling performance of the chlorinated polyethylene, then putting the polyvinyl chloride and the heavy calcium carbonate into the hot mixing pot in sequence to be mixed and stirred with the uniformly mixed mixture of the chlorinated polyethylene and the calcium carbonate, and improving the uniformity of tear resistance and filling performance, thereby enabling the final mixed material to be more uniform in tear resistance and filling performance, avoiding the conditions of cracking, deformation, stretching and breaking when an extruder extrudes and discharges materials, further improving the product quality, and avoiding the conditions of cracking and the like when the extruder extrudes and discharges materials, waste caused during discharging can be effectively avoided, energy is saved, the rate of finished products is improved, the situation that the extruder is damaged due to cracking and the like can be avoided, the time for daily maintenance of the extruder is saved, and the production efficiency is further improved;
then sequentially putting the return materials, the calcium-zinc stabilizer, the internal lubricant and the external lubricant into a hot mixing pot, and stirring and mixing to form a final mixed material;
step (B12), feeding and mixing the final mixed material in the step (B11) at the frequency of a hot mixing motor in the hot mixing pot of the step (B11) at 25Hz, then mixing and wrapping the final mixed material at the frequency of the hot mixing motor at 45Hz, and rotating at 45Hz after the hot mixing motor rotates at a low speed of 25Hz, so that the mixed material can enter the hot mixing pot at a low speed, the raw and auxiliary materials are prevented from being accumulated together, the load of the hot mixing motor can be reduced, the service life of the motor is prolonged, the high-speed operation is to fully mix and wrap the raw and auxiliary materials, the mixing time is shortened, the production efficiency is improved, the uneven mixing is avoided, the discharging quality is influenced, and the quality of the stone plastic floor is improved;
step (B13), the prepared raw materials are put in a hot mixing pot, and the mixing time is 410 seconds or the temperature reaches 125 ℃;
step (C1), sending the mixed material to a cold mixing pot
Step (C11), the mixed material reaches one of the two conditions in the step (B13), namely the mixed material is sent to the interior of the cold mixing pot;
step (C12), enabling the wrapped mixed materials entering the cold mixing pot to continuously run and cool at the frequency of a cold mixing motor inside the cold mixing pot at 15Hz, continuously running at low speed at 15Hz through the frequency of the cold mixing motor, wherein the single-frequency low-speed running is used for fully cooling the mixed raw materials, and further mixing the raw materials and the auxiliary materials to achieve the effects of uniform distribution and wrapping, fully mixing and wrapping the raw materials for the second time, reducing the time of mixing, improving the production efficiency, avoiding uneven mixing and influencing the discharging quality, and further improving the quality of the stone plastic floor;
a step (D1) of feeding the package composition cooled in the step (C12) to the inside of an extruder through an automatic feeding system;
step (E1) of extruding the wrapped mixed material sent to the interior of the extruder;
step (E11), setting 6 zones in the extruder, heating the raw materials by the wrapped mixed material in the environment of 195 ℃ in the 1 zone and 205 ℃ in the 2 zone in sequence, plasticizing the heated wrapped mixed material in the environment of 205 ℃ in the 3 zone, 190 ℃ in the 4 zone and 180 ℃ in the 5 zone in sequence, and keeping the temperature of the plasticized mixed material in the environment of 170 ℃ in the 6 zone;
step (E12), extruding the plasticized mixed material into a mould through a confluence core to form a base material plate;
step (F1) of subjecting the substrate sheet to rolling lamination
Step (F11), a mirror roller and a shading roller in the roller rolling film covering machine are matched with each other to print bottom grains on the substrate plate, and the set temperatures of the mirror roller and the shading roller are both 170 ℃ which is the same as the mold discharging temperature of the substrate plate;
step (F111), after the bottom lines of the substrate are shaped, coating a film on the surface of the substrate, wherein one layer of the film is a color film, and the other layer of the film is a resistant film, adjusting the tension of the color film and the resistant film through a tension adjuster, and preventing the color film and the resistant film from deviating during film coating through a deviation corrector;
step (F12), using a transition rubber roller with the temperature of 160 ℃ in a roller rolling film covering machine to enable the base material plate after film covering to flow between the pattern bottom roller and the pattern roller;
and (F13) mutually matching a pattern bottom roller and a pattern roller in a roller rolling film covering machine to print required lines on the surface of the base plate to form the required stone plastic floor, wherein the set temperatures of the pattern bottom roller and the pattern roller are both 150 ℃.
Example 3, a raw material of a stone plastic floor with high yield and high quality comprises the following components in parts by weight: polyvinyl chloride: 50 parts of a mixture; heavy calcium carbonate: 160 parts of (B); mixture of chlorinated polyethylene and calcium carbonate: 1 part; styrene-acrylonitrile copolymer: 1.5 parts; material returning: 70 parts of (B); internal lubricant: 0.5 part; external lubricant: 0.5 part; calcium zinc stabilizer: 4 parts of a mixture; carbon black: 0.5 part;
the preparation process of example 3, comprising the following steps,
step (A2) preparing raw materials
The energy-saving and high-quality stone plastic floor is weighed, stirred and mixed uniformly according to the raw material composition of the stone plastic floor, and the raw materials comprise the following components in parts by weight: polyvinyl chloride: 50 parts of a mixture; heavy calcium carbonate: 160 parts of (B); mixture of chlorinated polyethylene and calcium carbonate: 1 part; styrene-acrylonitrile copolymer: 1.5 parts; material returning: 70 parts of (B); internal lubricant: 0.5 part; external lubricant: 0.5 part; calcium zinc stabilizer: 4 parts of a mixture; carbon black: 0.5 part;
step (B2), sending the prepared raw materials into a hot mixing pot;
step (B21), the mixture of the chlorinated polyethylene and the calcium carbonate in the raw materials prepared in the step (A2) is put into a hot mixing pot for stirring and mixing, so that the carbon black and the mixture of the chlorinated polyethylene and the calcium carbonate are fully mixed;
then putting the polyvinyl chloride and the ground limestone into a hot mixing pot in sequence to stir and mix the materials;
then sequentially putting the return material, the calcium-zinc stabilizer, the internal lubricant and the external lubricant into a hot mixing pot, and stirring and mixing to form a final mixed material;
step (B22), feeding and mixing the final mixed material in the step (B21) at the frequency of a hot mixing motor in the hot mixing pot of the step (B21) of 22Hz, and then mixing and wrapping at the frequency of the hot mixing motor of 42 Hz;
step (B23), the prepared raw materials are put in a hot mixing pot, and the mixing time is 400 seconds or the temperature reaches 120 ℃;
step (C2), sending the mixed material to a cold mixing pot
Step (C21), the mixed material reaches one of the two conditions in the step (B23), namely the mixed material is sent to the interior of the cold mixing pot;
step (C22), enabling the wrapped mixed materials entering the interior of the cold mixing pot to continuously run and cool with the frequency of a cold mixing motor in the interior of the cold mixing pot being 12 Hz;
a step (D2) of feeding the package composition cooled in the step (C22) to the inside of an extruder through an automatic feeding system;
step (E2) of extruding the wrapped mixture fed into the extruder;
step (E21), setting 6 zones in the extruder, heating the raw materials by the wrapped mixed material in the environment of 192 ℃ in the 1 zone and 201 ℃ in the 2 zone in sequence, plasticizing the heated wrapped mixed material in the environment of 201 ℃ in the 3 zone, 187 ℃ in the 4 zone and 177 ℃ in the 5 zone in sequence, and keeping the temperature of the plasticized mixed material in the environment of 167 ℃ in the 6 zone;
step (E22), extruding the plasticized mixed material into a mould through a confluence core to form a base material plate;
step (F2) of subjecting the substrate sheet to rolling lamination
Step (F21), a mirror roller and a shading roller in the roller rolling film covering machine are matched with each other to print bottom grains on the substrate board, and the set temperatures of the mirror roller and the shading roller are both 167 ℃ which is the same as the mold discharging temperature of the substrate board;
step (F211), after the bottom lines of the substrate plate are shaped, coating a film on the surface of the substrate plate, wherein one layer of the film is a color film, and the other layer of the film is a resistant film, adjusting the tension of the color film and the resistant film through a tension adjuster, and preventing the color film and the resistant film from deviating during film coating through a deviation corrector;
step (F22), using a transition rubber roller with the temperature of 156 ℃ in a roller rolling film covering machine to enable the base material plate after film covering to flow between the pattern bottom roller and the pattern roller;
and (F23) printing the required lines on the surface of the base material plate by using the mutual matching of a pattern bottom roller and a pattern roller in a roller laminating film machine to form the required stone plastic floor, wherein the set temperatures of the pattern bottom roller and the pattern roller are both 146 ℃.
Example 4, a raw material of a stone plastic floor with high yield and high quality comprises the following components in parts by weight: polyvinyl chloride: 50 parts of a mixture; heavy calcium carbonate: 160 parts of (B); mixture of chlorinated polyethylene and calcium carbonate: 5 parts of a mixture; styrene-acrylonitrile copolymer: 4 parts of a mixture; material returning: 70 parts of (B); internal lubricant: 0.5 part; external lubricant: 0.5 part; calcium zinc stabilizer: 4 parts of a mixture; carbon black: 0.5 part;
the preparation process of example 4, comprising the following steps,
step (A3) preparing raw materials
The energy-saving and high-quality stone plastic floor is weighed, stirred and mixed uniformly according to the raw material composition of the stone plastic floor, and the raw materials comprise the following components in parts by weight: polyvinyl chloride: 50 parts of a mixture; heavy calcium carbonate: 160 parts of (B); mixture of chlorinated polyethylene and calcium carbonate: 5 parts of a mixture; styrene-acrylonitrile copolymer: 4 parts of a mixture; material returning: 70 parts of (B); internal lubricant: 0.5 part; external lubricant: 0.5 part; calcium zinc stabilizer: 4 parts of a mixture; carbon black: 0.5 part;
step (B3), sending the prepared raw materials into a hot mixing pot;
step (B31), the mixture of the chlorinated polyethylene and the calcium carbonate in the raw materials prepared in the step (A3) is put into a hot mixing pot for stirring and mixing, so that the carbon black and the mixture of the chlorinated polyethylene and the calcium carbonate are fully mixed;
then putting the polyvinyl chloride and the ground limestone into a hot mixing pot in sequence to stir and mix the materials;
then sequentially putting the return material, the calcium-zinc stabilizer, the internal lubricant and the external lubricant into a hot mixing pot, and stirring and mixing to form a final mixed material;
step (B32), feeding and mixing the final mixed material in the step (B31) at the frequency of a hot mixing motor in the hot mixing pot of the step (B31) of 26Hz, and then mixing and wrapping at the frequency of the hot mixing motor of 47 Hz;
step (B33), the prepared raw materials are put in a hot mixing pot, and the mixing time is 420 seconds or the temperature reaches 130 ℃;
step (C3), sending the mixed material to a cold mixing pot
Step (C31), the mixed material reaches one of the two conditions in the step (B33), namely the mixed material is sent to the interior of the cold mixing pot;
step (C32), enabling the wrapped mixed materials entering the interior of the cold mixing pot to continuously run and cool at the frequency of a cold mixing motor in the interior of the cold mixing pot being 18 Hz;
a step (D3) of feeding the package composition cooled in the step (C32) to the inside of an extruder through an automatic feeding system;
step (E3) of extruding the wrapped mixed material sent to the interior of the extruder;
step (E31), setting 6 zones in the extruder, heating the raw materials by the wrapped mixed material in the environment of 196 ℃ in the 1 zone and 206 ℃ in the 2 zone in sequence, plasticizing the heated wrapped mixed material in the environment of 206 ℃ in the 3 zone, 192 ℃ in the 4 zone and 182 ℃ in the 5 zone in sequence, and keeping the temperature of the plasticized mixed material in the environment of 172 ℃ in the 6 zone;
step (E32), extruding the plasticized mixed material into a mould through a confluence core to form a base material plate;
step (F3) of subjecting the substrate sheet to rolling lamination
Step (F31), a mirror roller and a shading roller in the roller rolling film covering machine are matched with each other to print bottom grains on the substrate board, and the set temperatures of the mirror roller and the shading roller are both 172 ℃ which is the same as the mold discharging temperature of the substrate board;
step (F311), after the bottom lines of the substrate are shaped, coating a film on the surface of the substrate, wherein one layer of the film is a color film, the other layer of the film is a resistant film, the tension of the color film and the resistant film is adjusted through a tension adjuster, and the color film and the resistant film are prevented from deviating during film coating through a deviation corrector;
step (F32), using a transition rubber roller with the temperature of 162 ℃ in a roller rolling film covering machine to enable the base material plate after film covering to flow between the pattern bottom roller and the pattern roller;
and (F33) mutually matching a pattern bottom roller and a pattern roller in a roller rolling film covering machine to print required lines on the surface of the base plate to form the required stone plastic floor, wherein the set temperatures of the pattern bottom roller and the pattern roller are both 152 ℃.
Effect example 1
According to the stone plastic floor with high yield and high quality and the preparation process thereof, compared with the prior mode, the formula is as shown in the following table 1: formulation table for stone plastic flooring, wherein/indicates the efficiency of the production efficiency improvement compared to the prior art,
the conclusion is drawn from table 1 above: under the original production and formula conditions, the raw material consumption in 24 hours is about 14.2 tons, and about 12.35 tons of products can be produced; the raw material consumption of 24 hours after the improvement is about 15.32 tons, and about 14.25 tons of products can be produced, as can be seen from table 1, the yield of 24 hours is respectively improved from original 87 percent to 93 percent of example 2, 92 percent of example 3 and 90 percent of example 4, and compared with the prior art, the production efficiency is respectively improved to 15 percent of example 2, 13 percent of example 3 and 9 percent of example 4, so that the stone plastic floor produced by the formula produced by the process of the invention can improve the production efficiency and also improve the yield of the products.
The invention relates to a high-yield and high-quality stone-plastic floor and a preparation process, and the following conclusion is obtained: the stone-plastic floor produced by the formula produced by the process can improve the production efficiency and the yield of products.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The stone plastic floor with high yield and high quality is characterized by comprising the following components in parts by weight:
polyvinyl chloride: 30-70 parts;
heavy calcium carbonate: 140-180 parts;
mixture of chlorinated polyethylene and calcium carbonate: 1-6 parts;
styrene-acrylonitrile copolymer: 1-5 parts;
material returning: 50-90 parts;
internal lubricant: 0.1-1 part;
external lubricant: 0.1-1 part;
calcium zinc stabilizer: 1-8 parts;
carbon black: 0.1-1 part.
2. The stone-plastic floor with high yield and high quality as claimed in claim 1, wherein the stone-plastic floor comprises the following components in parts by weight:
polyvinyl chloride: 50 parts of a mixture;
heavy calcium carbonate: 160 parts of (B);
mixture of chlorinated polyethylene and calcium carbonate: 3 parts of a mixture;
styrene-acrylonitrile copolymer: 2.2 parts of;
material returning: 70 parts of (B);
internal lubricant: 0.5 part;
external lubricant: 0.5 part;
calcium zinc stabilizer: 4 parts;
carbon black: 0.5 part.
3. The stone-plastic floor with high yield and high quality as claimed in claim 1, wherein the stone-plastic floor comprises the following components in parts by weight:
polyvinyl chloride: 50 parts of a mixture;
heavy calcium carbonate: 160 parts of (B);
mixture of chlorinated polyethylene and calcium carbonate: 1 part;
styrene-acrylonitrile copolymer: 1.5 parts;
material returning: 70 parts of (B);
internal lubricant: 0.5 part;
external lubricant: 0.5 part;
calcium zinc stabilizer: 4 parts of a mixture;
carbon black: 0.5 part.
4. The stone plastic floor with high yield and high quality as claimed in claim 1, wherein the stone plastic floor comprises the following components in parts by weight:
polyvinyl chloride: 50 parts of a mixture;
heavy calcium carbonate: 160 parts of (B);
mixture of chlorinated polyethylene and calcium carbonate: 5 parts of a mixture;
styrene-acrylonitrile copolymer: 4 parts of a mixture;
material returning: 70 parts of a binder;
internal lubricant: 0.5 part;
external lubricant: 0.5 part;
calcium zinc stabilizer: 4 parts of a mixture;
carbon black: 0.5 part.
5. A preparation process of a high-yield and high-quality stone plastic floor is characterized by comprising the following steps:
preparing raw materials in step (A)
The energy-saving and high-quality stone plastic floor is prepared by weighing, stirring and mixing uniformly according to a formula, wherein the formula comprises the following components in parts by weight: polyvinyl chloride: 30-70 parts; heavy calcium carbonate: 140-180 parts; mixture of chlorinated polyethylene and calcium carbonate: 1-6 parts; styrene-acrylonitrile copolymer: 1-5 parts; material returning: 50-90 parts; internal lubricant: 0.1-1 part; external lubricant: 0.1-1 part; calcium zinc stabilizer: 1-8 parts; carbon black: 0.1-1 part;
step (B), sending the prepared raw materials into a hot mixing pot;
step (B01), putting the mixture of the chlorinated polyethylene and the calcium carbonate in the raw materials prepared in the step (A) into a hot mixing pot for stirring and mixing, and fully mixing the carbon black and the mixture of the chlorinated polyethylene and the calcium carbonate;
then putting the polyvinyl chloride and the ground limestone into a hot mixing pot in sequence to stir and mix the materials;
then sequentially putting the return material, the calcium-zinc stabilizer, the internal lubricant and the external lubricant into a hot mixing pot, and stirring and mixing to form a final mixed material;
step (B02), feeding and mixing the final mixed material in the step (B01) at the frequency of a hot mixing motor in the hot mixing pot of the step (B01) of 20-30Hz, and then mixing and wrapping at the frequency of the hot mixing motor of 40-50 Hz;
step (B03), the configured raw materials are mixed in a hot mixing pot for 400-420 seconds or at a temperature of 120-130 ℃;
step (C), sending the mixed material to a cold mixing pot
Step (C01), the mixed material reaches one of the two conditions in the step (B03), namely the mixed material is sent to the interior of the cold mixing pot;
step (C02), enabling the wrapped mixed materials entering the interior of the cold mixing pot to continuously run and cool at the frequency of a cold mixing motor in the interior of the cold mixing pot being 10-20 Hz;
step (D), conveying the package mixed material cooled in the step (C02) into an extruder through an automatic supply system;
extruding the wrapped mixed material sent to the interior of the extruder;
step (E01), the extruder is provided with 6 areas, the wrapped mixed material is sequentially heated in the environment of 190-;
step (E02), extruding the plasticized mixed material into a mould through a confluence core to form a base material plate;
step (F), performing extension laminating on the substrate plate
Step (F01), a mirror roller and a shading roller in the roller calendering film covering machine are matched with each other to print bottom grains on the substrate board, and the set temperatures of the mirror roller and the shading roller are both 165-175 ℃ which is the same as the mold temperature of the substrate board;
step (F011), after the bottom lines of the substrate are shaped, laminating the surface of the substrate, wherein one layer of the laminated film is a color film, the other layer of the laminated film is a resistant film, the tension of the color film and the resistant film is adjusted through a tension adjuster, and the color film and the resistant film are prevented from deviating during laminating by adopting a deviation corrector;
step (F02), a transition rubber roller with the temperature of 155-165 ℃ in a roller rolling film covering machine is used for enabling the film-covered substrate plate to flow between the pattern bottom roller and the pattern roller;
and (F03) mutually matching a pattern bottom roller and a pattern roller in the roller rolling film covering machine to print required lines on the surface of the base material plate to form the required stone plastic floor, wherein the set temperatures of the pattern bottom roller and the pattern roller are both 145 and 155 ℃.
6. The process for preparing stone-plastic flooring with high yield and high quality as claimed in claim 5, wherein the raw materials in step (B02) are mixed in a hot mixing pot for 410 seconds or at a temperature of 125 ℃.
7. The process for manufacturing a stone-plastic floor with high yield and quality as claimed in claim 5, wherein the frequency of the cold mixing motor inside the cold mixing pot in the step (C02) is 15 Hz.
8. The process for manufacturing high-yield and high-quality stone plastic flooring as claimed in claim 5, wherein the temperatures of the 6 zones of the extruder in the step (E01) are 1 zone 195 ℃, 2 zone 205 ℃, 3 zone 205 ℃, 4 zone 190 ℃, 5 zone 180 ℃ and 6 zone 170 ℃.
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