CN108104414A - A kind of suspension floor and preparation method and application - Google Patents
A kind of suspension floor and preparation method and application Download PDFInfo
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- CN108104414A CN108104414A CN201711442779.2A CN201711442779A CN108104414A CN 108104414 A CN108104414 A CN 108104414A CN 201711442779 A CN201711442779 A CN 201711442779A CN 108104414 A CN108104414 A CN 108104414A
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Classifications
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- E04F15/107—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 composed of several layers, e.g. sandwich panels
Abstract
The invention discloses a kind of suspension floors and preparation method and application, are followed successively by PVC wearing layers, PVC coloured silks film, PVC surface layers egative film, glass mat, PVC bottoms egative film, the stepped construction of on-slip film from top to bottom and are combined；It has the following advantages compared with prior art：(1) use of adhesive and lock is avoided in process of deployment, reduces the environmental pollution of adhesive；Assembled efficiency is improved, solves the problems, such as that floor upwarps caused by no lock and gum；(2) it is convenient to replace, and it is higher to repeat utilizationization degree；(3) dimensional stability and coefficient of thermal expansion on floor are significantly improved；(4) coefficient of friction of ground back and cement flooring is improved, strengthens the fixing of its fitting；(5) optimum preparation condition improves preparation efficiency, reduces and prepares energy consumption；(6) various aspects of performance on suspension floor is superior to common PVC floor.
Description
Technical field
The present invention relates to a kind of preparation field on floor, more particularly, to a kind of suspension floor and preparation method thereof with answering
With.
Background technology
Plastic cement (PVC) floor has excellent wearability, dicoration, resistant as a kind of new ground pavement material
The characteristics such as chemical-resistant reagent, therefore be subject to vast consumption is increasingly subject to be liked and approved.
Traditional PVC floor carries out assembly by way of gum or lock, but the material property due to PVC in itself,
Plasticizer during use in PVC floor is present with precipitation, and on the one hand the bonding of ground back is dissolved in the precipitation of plasticizer
Agent influences the fitting intensity on floor, while can also reduce the intensity of lock and the toughness on floor.PVC floor size is heat-resisting simultaneously
Performance is bad, easily changes with the variation of environment temperature, influences beauty so as to piece occur.
Therefore, a kind of Floating floor is studied to change the pattern of mating formation of traditional PVC floor, it will meets existing market
Demand.
But this pattern of mating formation in suspension floor is to the dimensional stability on floor, coefficient of thermal expansion and ground back and water
The coefficient of friction in muddy ground face is more demanding, and traditional PVC floor can not realize this pattern of mating formation, and how pass through the knot to floor
Structure, formula and preparation method are improved to obtain that can adapt to mating formation for suspension floor be the emphasis and difficult point of research.
What existing suspension type assembled floor was mostly prepared using polypropylene material, polypropylene suspension floor producing technology
Complexity, such suspending floor surface journey net structure, inside is difficult to clean up.Complicated, style sheet one is replaced on monolithic floor, uncomfortable
Higher place is required for indoor beauties such as family and markets.
The content of the invention
Goal of the invention：In order to solve the problems of in the prior art, the present invention proposes a kind of with more preferably ruler
Very little stability, coefficient of thermal expansion and coefficient of friction are laid with suitable for suspending, and improve the suspension floor for being laid with efficiency and its system
Preparation Method and application.
Technical solution：To achieve these objectives, the present invention takes following technical scheme：A kind of suspension floor, from top to bottom according to
It is secondary for PVC wearing layers, PVC coloured silks film, PVC surface layers egative film, glass mat, PVC bottoms egative film, the stepped construction of on-slip film it is compound
It forms；The formula of the PVC surface layers egative film and the PVC bottoms egative film is calculated by mass including following component：Polyvinyl chloride resin 100
Part, 30-60 parts of biology base plasticizer, 5-10 parts of epoxidized soybean oil, 1-3 parts of calcium stearate, 1~3 part of zinc stearate, filler 100-
350 parts, 5-50 parts of smoke suppressant, 0.5 part of carbon black colorant.
It is more highly preferred to, the formula of the PVC wearing layers is calculated by mass including following component：100 parts of polyvinyl chloride, ring
Protect 32 parts of plasticizer, 2 parts of epoxidized soybean oil, 2 parts of Environment-friendlycalcium calcium zinc stabilizer, 0.2 part of ultraviolet absorber, 0.5 part of impact modifier.
Wherein, the preferred dioctyl terephthalate of environment-friendly plasticizer, the preferred UV531 of ultraviolet absorber；Impact modifier is excellent
Select P551；The thickness of PVC wearing layers significantly impacts the wearability on suspension floor；Its preferred thickness is 0.3mm-1.0mm, herein
Under thickness, suspension floor has more wearability.
The PVC coloured silks film carries out the semi-rigid PVC film of digital printing for surface, and PVC coloured silks film can assign suspension floor and force
The textures such as genuine stone pattern, wood grain increase the multifarious style on suspension floor, improve market and apply competitiveness.
The glass mat is double spread glass mat, and the component of the glue is PVC paste resin, gelatinized corn starch
In one or both mixing；Improved glass mat can significantly improve the dimensional stability on suspension floor and thermal expansion system
Number.
The on-slip film is the high resiliency PVC film that Shore A hardness is 40-70 degree.Ensure that suspension floor can after assembly
It is firmly fixed on ground.
The biology base plasticizer is chloromethoxy fatty acid methyl ester；Biology base plasticizer is before asepsis environment-protecting is ensured
It puts, reduces the processing temperature and hardness on suspension floor, improve the performances such as flatness and the warpage on suspension floor.
It is more highly preferred to, the filler is specially the powdered whiting of 100-500 mesh.
The smoke suppressant is one or more of molybdenum trioxide, zinc borate, magnesium hydroxide compounding；Suitable smoke suppressant can
Smog and toxic gas that suspension floor is generated in burning are significantly reduced, reduces the injury to human body.
The invention also discloses a kind of above-mentioned preparation methods on suspension floor, include the following steps：
(1) production of PVC floor egative film：
A after qualification of) testing first to raw material, each raw material of corresponding parts by weight is weighed according to formula regulation requirement,
Polyvinyl chloride resin, biology base plasticizer, epoxidized soybean oil, calcium stearate, zinc stearate, smoke suppressant, carbon black are added to mixed at high speed
Machine, after increasing the temperature to 75-100 DEG C, rotating speed is 210~350r/min, is mixed evenly；
B after) stirring 3-7min, the material in step (A) high speed mixer unloaded to cold mixer, while will be measured
Calcium carbonate is discharged into cold mixer stirring 8-15min, and cold mixed temperature is 35-65 DEG C, and cold mixed material unloads spare to storage tank；
C material in storage tank) is sent into mixer to carry out after being tentatively plasticized, then the material being tentatively plasticized is transported to four-roller
Calender plasticizing is rolled into the corresponding egative film of required specification requirement thickness；
(2) press：The temperature of press is adjusted as 135-155 DEG C, from the bottom up by on-slip film, PVC bottoms egative film, glass fibers
Tie up felt, PVC surface layers egative film, stack, hot pressing, time control exist the stepped construction order of PVC coloured silks film and PVC rub resistances successively
25-40min, pressure are controlled in 1.0-6.0MPa, and must suspend ground boards half-finished product；
(3) UV, heat treatment process：Suspension after the completion of press ground boards half-finished product roller coat bottom UV first paints, quality control
In 6-18g/m2, after ultraviolet lamp tube cures, then roller coat surface layer UV paints, quality control is in 6-18g/m2, by ultra-violet curing
Afterwards, temper is carried out into hot water；
(4) stand：Constant-temperature house ensures that time of repose is not less than 72h；
(5) it is punched：Floor is fitly deposited on pallet, is punched out at room temperature according to specification requirement；
(6) properties of product detect：The dent of static load for 24 hours, remaining dent, dimensional stability, coefficient of thermal expansion, cigarette to finished product
Density, flexibility, back confficient of static friction etc. carry out qualification detection.
The present invention further discloses a kind of above-mentioned application on suspension floor, specifically for directly being spread during floor covering layers
On smooth cement flooring, the flooring mode is without special auxiliary material of mating formation, and operation is simple, 100m2The interior space,
2 people operation simultaneously can be completed all to be laid with work in 2h or so, carried out without carrying out the bonding of adhesive or the mode of lock
Connection.
Advantageous effect：A kind of suspension floor provided by the invention and preparation method thereof, has the following advantages：(1) it was laid with
The use of adhesive and lock is avoided in journey, reduces the environmental pollution of adhesive；Assembled efficiency is improved, is solved due to not latching
Problem is upwarped with floor caused by gum；(2) it is convenient to replace, and it is higher to repeat utilizationization degree；(3) floor is significantly improved
Dimensional stability and coefficient of thermal expansion；(4) coefficient of friction of ground back and cement flooring is improved, strengthens the firm of its fitting
Property；(5) optimum preparation condition improves preparation efficiency, reduces and prepares energy consumption；(6) various aspects of performance on suspension floor is superior to general
Logical PVC floor.
Specific embodiment
Embodiment 1：
A kind of suspension floor, it is characterised in that be followed successively by PVC wearing layers, PVC coloured silks film, PVC surface layers egative film, glass from top to bottom
Glass fibrofelt, the stepped construction of PVC bottom egative films are combined；The formula of the PVC surface layers egative film and the PVC bottoms egative film
It is calculated by mass including following component：100 parts of polyvinyl chloride resin, 55 parts of biology base plasticizer, 5 parts of epoxidized soybean oil, calcium stearate
1.5 parts, 1.2 parts of zinc stearate, 300 parts of the powdered whiting of 100-500 mesh, 20 parts of smoke suppressant, 0.5 part of carbon black colorant.
The formula of wherein described PVC wearing layers is calculated by mass including following component：100 parts of polyvinyl chloride, environmental protection plasticising
32 parts of agent, 2 parts of epoxidized soybean oil, 2 parts of Environment-friendlycalcium calcium zinc stabilizer, 0.2 part of ultraviolet absorber, 0.5 part of impact modifier；Environmental protection increases
Mould the preferred dioctyl terephthalate of agent, the preferred UV531 of ultraviolet absorber；The preferred P551 of impact modifier；The thickness of PVC wearing layers
Degree significantly impacts the wearability on suspension floor；Its preferred thickness is 0.3mm-1.0mm, and under this thickness, suspension floor has
More wearability.
The PVC coloured silks film carries out the semi-rigid PVC film of digital printing for surface, assigns suspension floor stone pattern true to nature, wood
The textures such as line increase the multifarious style on suspension floor, improve market and apply competitiveness；The glass mat is two-sided painting
Glue glass mat, the component of the glue is PVC paste resin；Improved glass mat can significantly improve suspension floor
Dimensional stability and coefficient of thermal expansion；The on-slip film is the elastomeric PVC film that Shore A hardness is 40-70 degree, Ke Yibao
Card suspension floor can be firmly fixed on ground after assembly.
The biology base plasticizer is chloromethoxy fatty acid methyl ester；Biology base plasticizer is before asepsis environment-protecting is ensured
It puts, reduces the processing temperature and hardness on suspension floor, improve the performances such as flatness and the warpage on suspension floor.The suppression cigarette
Agent is that both molybdenum trioxide, zinc borate mass ratio are 1:3 mixture；Suitable smoke suppressant can significantly reduce suspension floor and fire
The smog and toxic gas generated during burning, reduces the injury to human body.
Embodiment 2：
Its floor panel structure is same as Example 1, the difference is that：The PVC surface layers egative film and the PVC bottoms egative film
Formula it is calculated by mass including following component：100 parts of polyvinyl chloride resin, 48 parts of biology base plasticizer, 6 parts of epoxidized soybean oil are stearic
Sour 1.2 parts of calcium, 2.8 parts of zinc stearate, 350 parts of the powdered whiting of 100-500 mesh, 50 parts of smoke suppressant, carbon black colorant 0.5
Part.
In addition, the glass mat is double spread glass mat, the component of the glue is gelatinized corn starch；The smoke suppressant
It is 1 for both molybdenum trioxide, magnesium hydroxide mass ratio:6 mixture.
Embodiment 3：
Its floor panel structure is same as Example 1, the difference is that：The formulas of the PVC egative films it is calculated by mass including
Following component：100 parts of polyvinyl chloride resin, 40 parts of biology base plasticizer, 8 parts of epoxidized soybean oil, 1.8 parts of calcium stearate, zinc stearate
1.5 parts, 100 parts of the powdered whiting of 100-500 mesh, 5 parts of smoke suppressant, 0.5 part of carbon black colorant.
In addition, the glass mat is double spread glass mat, the component of the glue is gelatinized corn starch；The smoke suppressant
It is 2 for both zinc borate, magnesium hydroxide mass ratio:5 mixture.
Embodiment 4：
Its floor panel structure is same as Example 1, the difference is that：The formulas of the PVC egative films it is calculated by mass including
Following component：100 parts of polyvinyl chloride resin, 35 parts of biology base plasticizer, 10 parts of epoxidized soybean oil, 2.8 parts of calcium stearate, zinc stearate
1.8 parts, 200 parts of the powdered whiting of 100-500 mesh, 35 parts of smoke suppressant, 0.5 part of carbon black colorant.
In addition, the glass mat is double spread glass mat, the component of the glue is PVC paste resin；Institute
State that smoke suppressant is molybdenum trioxide, zinc borate, magnesium hydroxide three's mass ratio are 1:2:5 mixture.
Embodiment 5：
Suspension floor is carried out using the formula of above-described embodiment 1 using following methods to be prepared：
(1) production of PVC floor egative film：
A after qualification of) testing first to raw material, each raw material of corresponding parts by weight is weighed according to formula regulation requirement,
Polyvinyl chloride resin, biology base plasticizer, epoxidized soybean oil, calcium stearate, zinc stearate, smoke suppressant, carbon black are added to mixed at high speed
Machine, after increasing the temperature to 90 DEG C, rotating speed 280r/min is mixed evenly；
B after) stirring 4min, the material in step (A) high speed mixer is unloaded to cold mixer, while the carbon that will be measured
Sour calcium is discharged into cold mixer stirring 11min, and cold mixed temperature is 45 DEG C, and cold mixed material unloads spare to storage tank；
C material in storage tank) is sent into mixer to carry out after being tentatively plasticized, then the material being tentatively plasticized is transported to four-roller
Calender plasticizing is rolled into the corresponding egative film of required specification requirement thickness；
(2) press：The temperature of press is adjusted as 155 DEG C, from the bottom up by on-slip film, PVC bottoms egative film, glass fibre
Felt, PVC surface layers egative film, stack, hot pressing, time control exist the stepped construction order of PVC coloured silks film and PVC rub resistances successively
35min, pressure are controlled in 3.5MPa, and must suspend ground boards half-finished product；
(3) UV, heat treatment process：Suspension after the completion of press ground boards half-finished product roller coat bottom UV first paints, quality control
In 5g/m2, after ultraviolet lamp tube cures, then roller coat surface layer UV paints, quality control is in 15g/m2, after ultra-violet curing, enter
Hot water carries out temper；
(4) stand：Constant-temperature house ensures that time of repose is not less than 72h；
(5) it is punched：Floor is fitly deposited on pallet, is punched out at room temperature according to specification requirement；
(6) properties of product detect：2h static loads dent, remaining dent, dimensional stability, coefficient of thermal expansion, cigarette to finished product
Density, flexibility, back confficient of static friction etc. carry out qualification detection.
Embodiment 6-8：
Substantially same as Example 5, the difference is that the formula used is different, wherein embodiment 6 is using embodiment 2
Formula, embodiment 7 use the formula of embodiment 3, and embodiment 8 uses the formula of embodiment 4.
Comparative example 1：
Comparative example common PVC floor separately is set, its preparation method is substantially the same manner as Example 5：It is followed successively by PVC from top to bottom
Wearing layer, PVC coloured silks film, the stepped construction of PVC bottoms are combined；The formula of the PVC bottoms is calculated by mass including as follows
Component：100 parts of PVC, 35 parts of plasticizer, 5 parts of epoxidized soybean oil, 2.7 parts of stabilizer, 300 parts of mountain flour.
Embodiment 5-8 and comparative example 1 the ground finished product prepared are tested for the property comparison, specific performance index is：24h
Static load dent, remaining dent, dimensional stability, coefficient of thermal expansion, smoke density, flexibility, back confficient of static friction.
Specific test method and test result comparison are as shown in table 1：
1 floor all-round property testing result of 1 embodiment 5-8 of table and comparative example
Note：MD refers to refer to perpendicular to the direction of color film along the direction of color film, CD.
The floor of the invention prepared is can be seen that in dimensional stability, coefficient of thermal expansion, flexibility from the data in table 1
And for the data shown by ground back confficient of static friction, hence it is evident that the correlation shown better than 1 measured data of comparative example
Can, meet no external force and mat formation condition, without special auxiliary pavement material, you can realize long-term stabilization ground quality, heat resistance
It can be good, it is not easy to size occur and be made a variation by external environment effect generation, and highland back coefficient of friction ensure that it is mated formation
Soundness.
In addition, lower smoke density data further embody the performance of its Environmental Safety.
Embodiment 9：
The suspension floor prepared using above-described embodiment 5, is mated formation, the gluing for being carried out at the same time common PVC floor is mated formation
Control；
Suspension floor of the present invention can directly mat formation on smooth cement flooring, and the flooring mode is without special auxiliary of mating formation
Material, operation is simple, 100m2The interior space, 2 people simultaneously operation, can 2h or so complete all be laid with work, without into
The bonding of row adhesive or the mode of lock are attached.
And common PVC floor is when being mated formation, 100m2The interior space, 2 people simultaneously operation, complete all be laid with work
Take 5-8h.
The application on the suspension floor prepared by the present invention significantly improves work efficiency, reduces cost of labor.
Claims (10)
1. a kind of suspension floor, it is characterised in that be followed successively by PVC wearing layers, PVC coloured silks film, PVC surface layers egative film, glass from top to bottom
Fibrofelt, PVC bottoms egative film, the stepped construction of on-slip film are combined；100 parts of polyvinyl chloride resin, 30-60 parts of biology base plasticizer,
5-10 parts of epoxidized soybean oil, 1-3 parts of calcium stearate, 1~3 part of zinc stearate, 100-350 parts of filler, 5-50 parts of smoke suppressant, carbon black
0.5 part of colorant.
2. suspension floor according to claim 1, it is characterised in that：The formula bag calculated by mass of the PVC wearing layers
Include following component：100 parts of polyvinyl chloride, 32 parts of environment-friendly plasticizer, 2 parts of epoxidized soybean oil, 2 parts of Environment-friendlycalcium calcium zinc stabilizer are ultraviolet
0.2 part of absorbent, 0.5 part of impact modifier.
3. suspension floor according to claim 1, it is characterised in that：The PVC coloured silks film carries out digital printing for surface
Semi-rigid PVC film.
4. suspension floor according to claim 1, it is characterised in that：The glass mat is double spread glass fibre
Felt, the glue that the double spread uses is PVC paste resin, the one or both mixing in gelatinized corn starch.
5. suspension floor according to claim 1, it is characterised in that：The on-slip film is that Shore A hardness is 40-70 degree
High resiliency PVC film.
6. suspension floor according to claim 1, it is characterised in that：The biology base plasticizer is chloromethoxy fat
Sour methyl esters.
7. suspension floor according to claim 1, it is characterised in that：The filler is the powdered whiting of 100-500 mesh.
8. suspension floor according to claim 1, it is characterised in that：The smoke suppressant is molybdenum trioxide, zinc borate, hydrogen-oxygen
Change one or more of magnesium compounding.
9. a kind of preparation method on suspension floor as described in claim 1, it is characterised in that include the following steps：
(1) production of PVC floor egative film：
A after qualification of) testing first to raw material, each raw material of corresponding parts by weight is weighed according to formula regulation requirement, by PVC
Resin, biology base plasticizer, epoxidized soybean oil, calcium stearate, zinc stearate, smoke suppressant, carbon black are added to high-speed mixer, rise
For high-temperature to after 75-100 DEG C, rotating speed is 210~350r/min, is mixed evenly；
B after) stirring 3-7min, the material in step (A) high speed mixer is unloaded to cold mixer, while the carbonic acid that will be measured
Calcium is discharged into cold mixer stirring 8-15min, and cold mixed temperature is 35-65 DEG C, and cold mixed material unloads spare to storage tank；
C material in storage tank) is sent into mixer to carry out after being tentatively plasticized, then the material being tentatively plasticized is transported to four-roll calendaring
Machine plasticizing is rolled into the corresponding egative film of required specification requirement thickness；
(2) press：The temperature of press is adjusted as 135-155 DEG C, from the bottom up by on-slip film, PVC bottoms egative film, glass fibre
Felt, PVC surface layers egative film, the stepped construction order stack successively of PVC coloured silks film and PVC rub resistances, hot pressing, time control is in 25-
40min, pressure are controlled in 1.0-6.0MPa, and must suspend ground boards half-finished product；
(3) UV, heat treatment process：Suspension after the completion of press ground boards half-finished product roller coat bottom UV first paints, quality control is in 6-
18g/m2, after ultraviolet lamp tube cures, then roller coat surface layer UV paints, quality control is in 6-18g/m2, after ultra-violet curing, into
Enter hot water and carry out temper；
(4) stand：Constant-temperature house ensures that time of repose is not less than 72h；
(5) it is punched：Floor is fitly deposited on pallet, is punched out at room temperature according to specification requirement；
(6) properties of product detect：The dent of static load for 24 hours, remaining dent, dimensional stability, coefficient of thermal expansion, cigarette to finished product is close
Degree, flexibility, back confficient of static friction etc. carry out qualification detection.
10. a kind of application on suspension floor as described in claim 1, it is characterised in that for directly being spread during floor covering layers
On smooth cement flooring, the flooring mode is without special auxiliary material of mating formation, without carrying out bonding or the lock of adhesive
The mode of button is attached.
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| CN201711442779.2A CN108104414A (en) | 2017-12-25 | 2017-12-25 | A kind of suspension floor and preparation method and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108894462A (en) * | 2018-09-18 | 2018-11-27 | 苏州市贝地龙新型材料有限公司 | A kind of archaized wood floor and its manufacturing process |
| CN109627640A (en) * | 2018-12-27 | 2019-04-16 | 江苏盈泰新材料科技有限公司 | A kind of uvioresistant floor tile film and its production technology |
| CN109627639A (en) * | 2018-12-27 | 2019-04-16 | 江苏盈泰新材料科技有限公司 | A kind of no phenol environment-friendly PVC floor tile film and its production technology |
| CN109694534A (en) * | 2018-12-27 | 2019-04-30 | 江苏盈泰新材料科技有限公司 | A kind of low temperature resistant PVC floor tile film and its processing technology |
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| CN110216957A (en) * | 2019-05-23 | 2019-09-10 | 福建思嘉环保材料科技有限公司 | A kind of stone plastic floor of low-shrinkage and preparation method thereof |
| CN112277427A (en) * | 2020-10-23 | 2021-01-29 | 浙江海利得地板有限公司 | Halogen-free environment-friendly wear-resistant elastic floor and preparation method thereof |
| CN112519363A (en) * | 2020-10-29 | 2021-03-19 | 帝高力装饰材料（江苏）有限公司 | Low-heat-sensitivity PVC (polyvinyl chloride) floor and preparation method thereof |
| CN117341299A (en) * | 2023-10-12 | 2024-01-05 | 明和科技（唐山）股份有限公司 | High-stability mute glass fiber felt floor and preparation method thereof |
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