CN108299764A - A kind of LVT plastic floors and preparation method thereof - Google Patents
A kind of LVT plastic floors and preparation method thereof Download PDFInfo
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- CN108299764A CN108299764A CN201810066398.7A CN201810066398A CN108299764A CN 108299764 A CN108299764 A CN 108299764A CN 201810066398 A CN201810066398 A CN 201810066398A CN 108299764 A CN108299764 A CN 108299764A
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- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
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- 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
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
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- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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- C08K2003/265—Calcium, strontium or barium carbonate
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Abstract
The invention discloses a kind of LVT plastic floors, include the raw material of following parts by weight：50 100 parts of PVC resin powder；100 200 parts of powdered whiting；15 parts of plasticity conditioning agent；26 parts of stabilizer；13 parts of lubricant；0.2 0.5 parts of carbon black.The invention also discloses a kind of preparation methods of LVT plastic floors；Include the following steps：Raw material mixing is placed in mixer heating stirring to 100 120 DEG C, then continues to stir in idler wheel, discharge, cooling aftershaping obtains intermediate；Intermediate is bonded with color film and wearing layer hot pressing successively, one layer of UV paint solidification of roller coating on the floor after hot pressing fitting, bicker cutting is sent on the floor after solidification；Obtain LVT plastic floors.Not only quality is softer, waterproof and dampproof for LVT plastic floors made from formula using the present invention, but also LVT plastic floors have very strong impact resistance, can restore elasticity well under the impact of weight.The present invention LVT plastic floor simple production process, raw material are cheap, using after the several years can 100% recycling.
Description
Technical field
The invention belongs to the technical fields of plastic floor.More particularly, to a kind of LVT plastic floors and its preparation side
Method.
Background technology
Phenomena such as that there are feel ice is hard, yielding for traditional ceramic floor, solid wooden floor board, composite floor board, formaldehyde,
Through the requirement of people cannot be met, there is an urgent need to it is a kind of not only soft, be unlikely to deform again environmentally friendly indoor floor.LVT plastic floors
Namely PVC floor is come into being, and meets the demand of people；The main component of PVC floor is pvc material.PVC
For plate since its pattern is abundant, color is various and is widely used in the various aspects with business at home.LVT plastic floors are the world todays
A kind of upper popular novel light body floor decorative material, also referred to as " light body floor ".It is a kind of day in America and Europe and Asia
The very popular product of Korea Spro, fashionable foreign countries enter Chinese market from the beginning of the eighties, and big and medium-sized cities at home have obtained so far
Universal approval, using very extensive, such as indoor family, hospital, office building, factory, public place, supermarket, business, sport
The various places such as venue.
In existing plastic floor, in order to control the expansion rate and shrinking percentage of product, high amount of inorganic filler (carbonic acid is added
Calcium), but a large amount of inorganic filler, which is added, can bring new problem, with the increase of inorganic filler, density, the hardness of product
Can be with increase, and toughness can decline, then the edge of product is easy to become fragile, and damage is be easy to cause during processing and transport
It is bad.
Invention content
In order to solve the above technical problems, first of the present invention is designed to provide a kind of LVT plastic floors.
Second object of the present invention is the provision of a kind of preparation method of LVT plastic floors.
In order to achieve the above objectives, the present invention uses following technical scheme：
A kind of LVT plastic floors, include the raw material of following parts by weight：50-100 parts of PVC resin powder；Powdered whiting
100-200 parts；1-5 parts of plasticity conditioning agent；2-6 parts of stabilizer；1-3 parts of lubricant；0.2-0.5 parts of carbon black.
Further, the LVT plastic floors further include 10-15 parts of modification infusorial earth；The modification infusorial earth is by following heavy
The raw material of amount part is made：10 parts of diatomite, 2 parts of titanium dioxide, 2 parts of lignin, 5 parts of expanded perlite, 3 parts of ferric trichloride, positive fourth
4 parts of aldehyde -2 parts of aniline condensation object and beeswax；Preparation method is to be placed in diatomite in 15% hydrochloric acid solution to impregnate 20-30 points
Resulting material is dried after suction filtration, then is mixed with expanded perlite by clock, and calcining 1-2h is carried out at 700-759 DEG C, cold after taking-up
But to being mixed again with beeswax after room temperature, 100-200 targeted fine powders is ground by grinder, are finally mixed with surplus stock, led to
Crossing ball milling makes all raw material powders be sufficiently mixed uniformly.
Further, the LVT plastic floors, include the raw material of following parts by weight：60 parts of PVC resin powder；Heavy carbonic acid
180 parts of calcium；4 parts of plasticity conditioning agent；3.8 parts of stabilizer；2.1 parts of lubricant；0.3 part of carbon black.
Further, the LVT plastic floors, include the raw material of following parts by weight：60 parts of PVC resin powder；Heavy carbonic acid
180 parts of calcium；4 parts of plasticity conditioning agent；3.8 parts of stabilizer；2.1 parts of lubricant；0.3 part of carbon black；15 parts of modification infusorial earth.
Further, the grain size of the powdered whiting is 300-800 mesh；This is because if powdered whiting grain size is too
Greatly, it will cause ground calcium carbonate dispersing in mixed process is uneven, and then the comprehensive of the LVT plastic floors prepared is influenced
Energy；But grain size is too small and can increase production cost, resource cannot be made reasonably to be distributed.
Further, the plasticising conditioning agent is dioctyl terephthalate and/or epoxidized soybean oil；The plasticising conditioning agent
LVT plastic floors toughness and elasticity can be improved.
Further, the stabilizer is calcium zinc stabilizer and/or organic tin stabilizer；The stabilizer prevents
The decomposition of thermoplastic resin, it is ensured that the mobility of material.
Further, the lubricant is stearic acid；The lubricant can equably be wrapped in the surface of powdered whiting；
And then LVT plastic floors hardness and heat distortion temperature are improved, reduce the size changing rate of LVT plastic floors.
A kind of preparation method of LVT plastic floors, includes the following steps：
1) by PVC resin powder, powdered whiting, plasticity conditioning agent, stabilizer, lubricant and carbon black with 300-
20-40min is mixed in the rotating speed of 800r/min；Obtain mixture；
2) mixture is placed in the mixer that rotating speed is 100-300r/min and carries out heating stirring, it is made fully to melt
It closes until when the temperature of the mixture rises to 100-120 DEG C, stops stirring；
3) mixture after stirring step 2) enters idler wheel, and 150-180 DEG C of temperature, three rolling temperature 140- are rolled by one, two
170 DEG C, four 150-180 DEG C of dischargings of rolling temperature, cooling aftershaping draws, cuts into the size of requirement, obtains intermediate；
4) intermediate of well cutting is first bonded with color film hot pressing；Then it is bonded again with wearing layer hot pressing；Wherein, hot pressing is pasted
The temperature of conjunction；
5) one layer of UV coating of uniform roller coating on the floor after hot pressing fitting, the coating surface is irradiated using LED-UV lamps
Carry out solidification 5-10s；
6) bicker is sent on the floor after solidification, cuts into pieces, then slots and pack；Obtain LVT plastic floors.
Further, the moisture content of the mixture is≤0.5%；To improve LVT plastic floor toughness.
Further, the temperature of the hot pressing fitting is 120-140 DEG C, and the time of hot pressing fitting is 40-60min.This be by
In if hot pressing binding temperature is too low or the hot pressing fitting time is too short, color film and wearing layer can not be fitted on intermediate；But
It is to be easy to cause color film if hot pressing binding temperature is too high or the hot pressing fitting time is too long and coking occurs for wearing layer, cause
Fitting failure.
Further, the step 1) can also carry out as follows：By PVC resin powder, powdered whiting, plasticity tune
It saves agent, stabilizer, lubricant, carbon black and modification infusorial earth and 20-40min is mixed with the rotating speed of 300-800r/min；
Obtain mixture.
Further, mixture is placed in the mixer that rotating speed is 100-300r/min and carries out heating stirring by the present invention, makes
It is fully merged until when the temperature of the mixture rises to 100-120 DEG C, on the one hand, is mixed under the conditions of 100-120 DEG C
Object can dissolve completely；Be conducive to PVC resin powder in mixture and rapid fusion occurs with other mixtures, to be conducive to LVT
The raising of plastic floor heat distortion temperature and the reduction of size changing rate；On the other hand, stirring can remove at such a temperature
Moisture in mixture makes the control of its moisture≤0.5%；To improve the impact resistance of LVT plastic floors.
Modification infusorial earth is added in the formula of the present invention, while improving LVT plastic floor elasticity, improves LVT modelings
The impact resistance of adhesive floor.So that LVT plastic floors are softer in not only quality, but also there is good elasticity under the impact of weight
Restore.
The present invention is during preparing LVT plastic floors, in order to avoid the difference of aberration in production process causes product to regard
The difference of feel；Uniform one layer of UV coating of roller coating and cured on the wearing layer on LVT plastic floors surface；Not only improve LVT
The glossiness of plastic floor reduces the influence of aberration；And make it have very strong wearability；Its wear-resisting rotating speed is reachable
5-10 can be used in 30000r/min under normal circumstances.
Beneficial effects of the present invention are as follows：
1, compared with plastic floor in the prior art, it is added to modification infusorial earth in the formula of LVT plastic floors of the present invention,
The elasticity of LVT plastic floors is not only increased, and increases the impact resistance of LVT plastic floors.Formula using the present invention
Not only quality is softer, waterproof and dampproof for LVT plastic floors obtained, but also floor has very strong impact resistance, in rushing for weight
It can restore elasticity under hitting well.
2, one layer of UV coating is coated on the wearing layer on LVT plastic floors of the present invention surface, makes it that not only there is glossiness；
And there is very strong wearability；5-10 can be used up to 30000r/min in its wear-resisting rotating speed under normal circumstances.
3, LVT plastic floor simple production process of the invention, raw material are cheap, easy for installation, elastic good, use the several years
After can 100% recycling.
Specific implementation mode
In order to illustrate more clearly of the present invention, with reference to preferred embodiment, the present invention is described further.Ability
Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, this should not be limited with this
The protection domain of invention.
Embodiment 1
A kind of LVT plastic floors, include the raw material of following parts by weight：80 parts of PVC resin powder；Grain size is the weight of 500 mesh
100 parts of matter calcium carbonate；3 parts of dioctyl terephthalate；4 parts of calcium zinc stabilizer；2 parts of stearic acid；0.5 part of carbon black.
A kind of preparation method of LVT plastic floors, includes the following steps：
Step 1：PVC numbers cosmetics, the powdered whiting that grain size is 500 mesh, dioctyl terephthalate, calcium zinc are stablized
Agent and carbon black are added the blender that rotating speed is 800r/min and 30min are mixed so that raw material is uniformly mixed, and obtains mixture；
Step 2：Mixture is placed in the mixer that rotating speed is 280r/min and carries out heating stirring, enables mixture
Fully fusion, until when being warming up to 120 DEG C of mixture, stops stirring；The moisture content of mixture is 0.4% after stirring；
Step 3：The mixture that moisture content is 0.4% is put into idler wheel and continues to stir；Idler wheel includes the first idler wheel, the
Second wheel, third idler wheel and the 4th idler wheel；Mixture passes sequentially through four rolling；Then it discharges, cooling aftershaping draws, cuts
Cut to obtain intermediate；The temperature of first and second idler wheel is 170 DEG C, and the temperature of third idler wheel is 150 DEG C, the temperature of the 4th idler wheel
Degree is 180 DEG C；The selection of roller temperature should ensure the normal flow of material, it is ensured that smoothly calendering is in blocks, avoids object again
The aging of material influences properties of product and following process.
Step 4：Intermediate is first bonded 50min with color film hot pressing at 135 DEG C, then again with wearing layer at 140 DEG C
Hot pressing is bonded 30min；One layer of UV coating of uniform roller coating on floor after hot pressing fitting, and coating table is irradiated using LED-UV lamps
Face carries out solidification 5s；
Step 5:Floor after solidification is placed in bicker, is cut into pieces；It slots on floor after dicing, convenient for peace
Dress, is made LVT plastic floors.
Embodiment 2
A kind of LVT plastic floors, include the raw material of following parts by weight：80 parts of PVC resin powder；Grain size is the weight of 500 mesh
100 parts of matter calcium carbonate；3 parts of dioctyl terephthalate；4 parts of calcium zinc stabilizer；2 parts of stearic acid；0.5 part of carbon black；Modified diatom
13 parts of soil；
Modification infusorial earth is made of the raw material of following parts by weight：10 parts of diatomite, 2 parts of titanium dioxide, 2 parts of lignin, expansion
4 parts of 5 parts of perlite, 3 parts of ferric trichloride, n-butanal -2 parts of aniline condensation object and beeswax.
A kind of preparation method of LVT plastic floors, includes the following steps：
Step 1：Diatomite is placed in 15% hydrochloric acid solution and is impregnated 30 minutes, dries resulting material after suction filtration, then
It is mixed with expanded perlite, calcining 2h is carried out at 750 DEG C, mixed again with beeswax after taking out postcooling to room temperature, pass through grinding
Machine is ground into 200 targeted fine powders, is finally mixed with surplus stock, so that all raw material powders is sufficiently mixed uniformly by ball milling, obtains
Modification infusorial earth.
Step 2：PVC numbers cosmetics, the powdered whiting that grain size is 500 mesh, dioctyl terephthalate, calcium zinc are stablized
Agent, carbon black and modification infusorial earth are added the blender that rotating speed is 1000r/min and 30min are mixed so that and raw material is uniformly mixed,
Obtain mixture；
Step 3：Mixture is placed in the mixer that rotating speed is 280r/min and carries out heating stirring, enables mixture
Fully fusion, until when being warming up to 120 DEG C of mixture, stops stirring；The moisture content of mixture is 0.5% after stirring；
Step 4：The mixture that moisture content is 0.4% is put into idler wheel and continues to stir；Idler wheel includes the first idler wheel, the
Second wheel, third idler wheel and the 4th idler wheel；Mixture passes sequentially through four rolling；Then it discharges, cooling aftershaping draws, cuts
Cut to obtain intermediate；The temperature of first and second idler wheel is 170 DEG C, and the temperature of third idler wheel is 150 DEG C, the temperature of the 4th idler wheel
Degree is 180 DEG C；The selection of roller temperature should ensure the normal flow of material, it is ensured that smoothly calendering is in blocks, avoids object again
The aging of material influences properties of product and following process.
Step 5：Intermediate is first bonded 50min with color film hot pressing at 135 DEG C, then again with wearing layer at 140 DEG C
Hot pressing is bonded 30min；One layer of UV coating of uniform roller coating on floor after hot pressing fitting, and coating table is irradiated using LED-UV lamps
Face carries out solidification 5s；
Step 6:Floor after solidification is placed in bicker, is cut into pieces；It slots on floor after dicing, convenient for peace
Dress, is made LVT plastic floors.
Embodiment 3
A kind of LVT plastic floors, include the raw material of following parts by weight：60 parts of PVC resin powder；Grain size is the weight of 800 mesh
180 parts of matter calcium carbonate；4 parts of epoxidized soybean oil；3.8 parts of organic tin stabilizer；2.1 parts of stearic acid；0.3 part of carbon black.
A kind of preparation method of LVT plastic floors, includes the following steps：
Step 1：By PVC numbers cosmetics, grain size be the powdered whitings of 800 mesh, epoxidized soybean oil, organic tin stabilizer and
Carbon black is added the blender that rotating speed is 800r/min and 40min is mixed so that raw material is uniformly mixed, and obtains mixture；
Step 2：Mixture is placed in the mixer that rotating speed is 280r/min and carries out heating stirring, enables mixture
Fully fusion, until when being warming up to 110 DEG C of mixture, stops stirring；The moisture content of mixture is 0.4% after stirring；
Step 3：The mixture that moisture content is 0.4% is put into idler wheel and continues to stir；Idler wheel includes the first idler wheel, the
Second wheel, third idler wheel and the 4th idler wheel；Mixture passes sequentially through four rolling；Then it discharges, cooling aftershaping draws, cuts
Cut to obtain intermediate；The temperature of first and second idler wheel is 170 DEG C, and the temperature of third idler wheel is 150 DEG C, the temperature of the 4th idler wheel
Degree is 180 DEG C；The selection of roller temperature should ensure the normal flow of material, it is ensured that smoothly calendering is in blocks, avoids object again
The aging of material influences properties of product and following process.
Step 4：Intermediate is first bonded 50min with color film hot pressing at 135 DEG C, then again with wearing layer at 140 DEG C
Hot pressing is bonded 30min；One layer of UV coating of uniform roller coating on floor after hot pressing fitting, and coating table is irradiated using LED-UV lamps
Face carries out solidification 8s；
Step 5:Floor after solidification is placed in bicker, is cut into pieces；It slots on floor after dicing, convenient for peace
Dress, is made LVT plastic floors.
Embodiment 4
A kind of LVT plastic floors, include the raw material of following parts by weight：60 parts of PVC resin powder；Grain size is the weight of 800 mesh
180 parts of matter calcium carbonate；4 parts of epoxidized soybean oil；3.8 parts of organic tin stabilizer；2.1 parts of stearic acid；0.3 part of carbon black；Modified diatom
15 parts of soil；
A kind of preparation method of LVT plastic floors, includes the following steps：
Step 1：Diatomite is placed in 15% hydrochloric acid solution and is impregnated 30 minutes, dries resulting material after suction filtration, then
It is mixed with expanded perlite, calcining 2h is carried out at 750 DEG C, mixed again with beeswax after taking out postcooling to room temperature, pass through grinding
Machine is ground into 200 targeted fine powders, is finally mixed with surplus stock, so that all raw material powders is sufficiently mixed uniformly by ball milling, obtains
Modification infusorial earth.
Step 2：By PVC numbers cosmetics, powdered whiting, epoxidized soybean oil, organic tin stabilizer, the charcoal that grain size is 800 mesh
Black and modification infusorial earth is added the blender that rotating speed is 1200r/min and 40min is mixed so that raw material is uniformly mixed, and is obtained mixed
Close object；
Step 3：Mixture is placed in the mixer that rotating speed is 300r/min and carries out heating stirring, enables mixture
Fully fusion, until when being warming up to 110 DEG C of mixture, stops stirring；The moisture content of mixture is 0.4% after stirring；
Step 4：The mixture that moisture content is 0.4% is put into idler wheel and continues to stir；Idler wheel includes the first idler wheel, the
Second wheel, third idler wheel and the 4th idler wheel；Mixture passes sequentially through four rolling；Then it discharges, cooling aftershaping draws, cuts
Cut to obtain intermediate；The temperature of first and second idler wheel is 170 DEG C, and the temperature of third idler wheel is 150 DEG C, the temperature of the 4th idler wheel
Degree is 180 DEG C；The selection of roller temperature should ensure the normal flow of material, it is ensured that smoothly calendering is in blocks, avoids object again
The aging of material influences properties of product and following process.
Step 5：Intermediate is first bonded 50min with color film hot pressing at 135 DEG C, then again with wearing layer at 140 DEG C
Hot pressing is bonded 30min；One layer of UV coating of uniform roller coating on floor after hot pressing fitting, and coating table is irradiated using LED-UV lamps
Face carries out solidification 8s；
Step 6:Floor after solidification is placed in bicker, is cut into pieces；It slots on floor after dicing, convenient for peace
Dress, is made LVT plastic floors.
Comparative example
The bed of material in a kind of plastic floor, is made of the raw material of following parts by weight：90 parts of polyvinyl chloride, 28 parts of plasticizer；Surely
Determine 2.1 parts of agent, 0.2 part of carbon black；45 parts of calcium carbonate, 6.2 parts of haloflex；
Bed of material preparation method is as follows in a kind of plastic floor；
Material pvc, plasticizer, stabilizer, carbon black and haloflex are mixed to mixed according to the above mentioned proportion, mixing
Calcium carbonate is added after uniformly to continue to mix, mixer is added after mixing, mixer is heated to 180 DEG C of stirring 5min, so
After discharge, will discharging on open open mill adjust after spend, control slice temperature be 45 DEG C, rolling out film obtains the middle bed of material.
Embodiment 5
Using Chinese Industrial Standards (CIS) GB/T4085-2015, by national ornament materials inspection center to the embodiment of the present invention 1 to 4 with
And the physicochemical property of the wood moulding fast assembling wall slab of comparative example is detected, testing result is as shown in table 1：
Embodiment 1 to 4 prepares the physicochemical property of wood moulding fast assembling wall slab
As shown in Table 1, compared with comparative example, there is excellent wearability using plastic floor prepared by inventive formulation,
And heating heating warpage and shrinking percentage reduce, and increase the impact resistance of LVT plastic floors.Formula using the present invention
Not only quality is softer, waterproof and dampproof for LVT plastic floors obtained, but also floor has very strong impact resistance, in rushing for weight
It can restore elasticity under hitting well.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is every to belong to this hair
Row of the obvious changes or variations that bright technical solution is extended out still in protection scope of the present invention.
Claims (10)
1. a kind of LVT plastic floors, which is characterized in that include the raw material of following parts by weight：50-100 parts of PVC resin powder；Weight
100-200 parts of matter calcium carbonate；1-5 parts of plasticity conditioning agent；2-6 parts of stabilizer；1-3 parts of lubricant；Carbon black 0.2-0.5
Part.
2. LVT plastic floors according to claim 1, which is characterized in that further include 10-15 parts of modification infusorial earth；It is described to change
Property diatomite is made of the raw material of following parts by weight：10 parts of diatomite, 2 parts of titanium dioxide, 2 parts of lignin, 5 parts of expanded perlite,
3 parts of ferric trichloride, n-butanal -2 parts of aniline condensation object and 4 parts of beeswax；Preparation method is the hydrochloric acid that diatomite is placed in 15%
It is impregnated 20-30 minutes in solution, resulting material is dried after suction filtration, then is mixed with expanded perlite, is carried out at 700-759 DEG C
1-2h is calcined, is mixed again with beeswax after taking out postcooling to room temperature, 100-200 targeted fine powders is ground by grinder, finally
It is mixed with surplus stock, so that all raw material powders is sufficiently mixed uniformly by ball milling.
3. LVT plastic floors according to claim 1, which is characterized in that include the raw material of following parts by weight：Polyvinyl chloride resin
60 parts of powder；180 parts of powdered whiting；4 parts of plasticity conditioning agent；3.8 parts of stabilizer；2.1 parts of lubricant；0.3 part of carbon black.
4. LVT plastic floors according to claim 2, which is characterized in that include the raw material of following parts by weight：Polyvinyl chloride resin
60 parts of powder；180 parts of powdered whiting；4 parts of plasticity conditioning agent；3.8 parts of stabilizer；2.1 parts of lubricant；0.3 part of carbon black；
15 parts of modification infusorial earth.
5. LVT plastic floors according to claim 1, which is characterized in that the grain size of the powdered whiting is 300-800
Mesh.
6. LVT plastic floors according to claim 1, which is characterized in that the plasticising conditioning agent is that terephthalic acid (TPA) two is pungent
Ester and/or epoxidized soybean oil；The stabilizer is calcium zinc stabilizer and/or organic tin stabilizer；The lubricant is hard
Resin acid.
7. a kind of preparation method of the LVT plastic floors as described in claim 1-6 is any, which is characterized in that include the following steps：
1) by PVC resin powder, powdered whiting, plasticity conditioning agent, stabilizer, lubricant and carbon black with 300-800r/
20-40min is mixed in the rotating speed of min；Obtain mixture；
2) mixture is placed in the mixer that rotating speed is 100-300r/min and carries out heating stirring, it is made fully to merge directly
When the temperature of the extremely mixture rises to 100-120 DEG C, stop stirring；
3) mixture after stirring step 2), which is put into 140-180 degrees Celsius of idler wheel, to be continued to stir, and is then discharged, after cooling
Molding, draws, cuts into the size of requirement, obtain intermediate；
4) intermediate of well cutting is first bonded with color film hot pressing；Then it is bonded again with wearing layer hot pressing；
5) one layer of UV coating of uniform roller coating on the floor after hot pressing fitting irradiates the coating surface using LED-UV lamps and carries out
Cure 5-10s；
6) bicker is sent on the floor after solidification, cuts into pieces, then slots and pack；Obtain LVT plastic floors.
8. preparation method according to claim 7, which is characterized in that the moisture content of the mixture is≤0.5%.
9. preparation method according to claim 7, which is characterized in that the temperature of the hot pressing fitting is 120-140 DEG C, heat
The time for overlaying conjunction is 40-60min.
10. preparation method according to claim 7, which is characterized in that the step 1) can also carry out as follows：
By PVC resin powder, powdered whiting, plasticity conditioning agent, stabilizer, lubricant, carbon black and modification infusorial earth with 1000-
20-40min is mixed in the rotating speed of 1500r/min；Obtain mixture.
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| CN110142908A (en) * | 2019-04-18 | 2019-08-20 | 浙江长兴森大竹木制品有限公司 | A kind of preparation method of LVT plastic floor |
| CN110303689A (en) * | 2019-06-12 | 2019-10-08 | 浙江欧耐力新材料有限公司 | A kind of LVT plastic floor production technology and its process units |
| CN110938224A (en) * | 2019-12-13 | 2020-03-31 | 东周化学工业（昆山）有限公司 | Plastic product coated by ultraviolet curing coating and manufacturing process thereof |
| CN111923458A (en) * | 2020-08-06 | 2020-11-13 | 江苏铧迈新材料科技有限公司 | LVT floor production process |
| CN112250962A (en) * | 2020-10-10 | 2021-01-22 | 邦缔实业(天津)有限公司 | PVC (polyvinyl chloride) homogeneous transparent wood grain plastic floor and production process thereof |
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| CN111923458A (en) * | 2020-08-06 | 2020-11-13 | 江苏铧迈新材料科技有限公司 | LVT floor production process |
| CN112250962A (en) * | 2020-10-10 | 2021-01-22 | 邦缔实业(天津)有限公司 | PVC (polyvinyl chloride) homogeneous transparent wood grain plastic floor and production process thereof |
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