A kind of low-shrinkage plastic floor
Technical field
The present invention relates to field, floor, be specifically related to a kind of low-shrinkage plastic floor.
Background technology
Plastic floor is a kind of plastics bottom surface ornament materials, its designs and varieties is various, light weight is wear-resisting, use function is good,
Low price.Floor form class pressed by plastic floor, can be divided into block-shaped floor and coiled material floor, and wherein, block-shaped floor is easy to fortune
Defeated and paving, internal containing mass filler, it is prone to tune after having that cigarette end cheap, resistance to burns, anti-pollution, wearability are good and damaging
The advantage such as change.
At present, the laying method of block-shaped floor typically uses adhesive to be pasted between bottom surface or floor and floor by base plate
Connect with adhesive sticker, or between floor with floor, be connected laying in a snap-fit manner.Before mating formation, all should carry out at the bottom surface of complexity
Reason, as done Self-leveling, water-proofing treatment etc..As with binding agent, then constructed by professional person, waste time and energy and take a lot of work, the most not
Careful the phenomenons such as floor degumming warps, ftractures or arches upward will occur, impact uses and attractive in appearance.Therefore, searching one simple in construction,
Laying is convenient, the plastic floor of superior performance becomes the target that insider pursues jointly.
The present inventor is in the Chinese patent 200910041835.0 applied for, it is proposed that a kind of block plastics ground
Plate, other block-shaped plastic floor of the weight ratio of this block-shaped plastic floor is wanted big in the weight of every square metre, be reached 7kg
~11kg, and the one side that this block-shaped plastic floor contacts with ground is provided with shading, is not susceptible to slide after therefore laying.This piece
The appearance of shape plastic floor produces far-reaching influence to laying process, in the case of it can not use adhesive, on basis is
Free laying on the ground of opposed flattened, it is not necessary to professional and technical personnel constructs.
The present inventor proposes the PCT application of entitled " block-shaped plastic floor " on the 27th in December in 2010, its
Application No. PCT/CN2010/080324, this PCT application is on the basis of Chinese patent 200910041835.0, proposition
Further improvement project, the one side that its block-shaped plastic floor contacts with ground is pressed with one layer of PVC on-slip film, and this PVC is only
Synovial membrane by weight percentage, containing polrvinyl chloride 56%, plasticizer DINP40%, tranquilizer 2.5% and pigment 1.5%, is somebody's turn to do
PVC on-slip film arranges on-slip stricture of vagina with the one side of ground base.In this PCT application, the design of on-slip film makes its block plastics
Floor has more excellent skidproof effect.
And still suffer from an insoluble problem for existing floor, it is simply that the problem of PVC floor shrinkage factor, due to
Main material uses PVC to make, and PVC floor is affected by temperature bigger, and expanding with heat and contract with cold repeatedly easily causes PVC floor
Between gap increase, finally cannot recover.
Summary of the invention
In view of this, the open a kind of low-shrinkage plastic floor of the present invention.
The purpose of the present invention is achieved through the following technical solutions:
A kind of low-shrinkage plastic floor, including basic unit, described basic unit be sequentially arranged above flexible foaming layer, printing film and
Wearing layer, the one side that described basic unit contacts with ground is provided with shading, is provided with the anti-deformation layer of low-shrinkage in described basic unit,
Basic unit is divided into upper basic unit and goes to a grassroots level by described anti-deformation layer.
Anti-deformation layer is set in basic unit, produces pulling force when basic unit expands with heat and contract with cold by anti-deformation layer, reduce entirety and mould
The contraction distortion of adhesive floor, adds stiff stability.
Further, described anti-deformation layer upper surface is provided with multiple upper groove, and described anti-deformation layer lower surface is provided with
Multiple low grooves.
By arranging upper groove and low groove at the upper surface of anti-deformation layer and lower surface, can bottom Shi Shang basic unit producing
Incorporating in upper groove, top of going to a grassroots level can incorporate in low groove, strengthens the anti-deformation layer pulling force to basic unit.
Further, described upper groove overlaps with low groove rectangular array and projected area respectively, and upper groove connection
Low groove.
The anti-deformation layer tension uniform to basic unit can be prevented local pulling force by the upper groove of rectangular array and low groove
Concentrations, and upper groove connection low groove, produce plastic floor be can Shi Shang basic unit with go to a grassroots level fusion, so that base
Layer preferably combines with anti-deformation layer.
Further, described upper groove and low groove interlaced arrangement and rectangular array, the connection of described upper groove is adjacent
Low groove, the upper groove that the connection of described low groove is adjacent.
The upper groove adjacent low groove of connection, the upper groove that low groove connection is adjacent, it is possible to preferably strengthen upper basic unit with
Degrees of fusion between going to a grassroots level, makes anti-deformation layer preferably incorporate in basic unit.
Further described basic unit and flexible foaming layer thickness are than for 3:1.
PVC floor determines grown form mainly by basic unit, and the hardness of basic unit is higher than flexible foaming layer, arranges flexible foaming
Layer is the buffer capacity in order to strengthen PVC floor, simultaneously as wearing layer hardness is higher, arranges between wearing layer and basic unit
Flexible foaming layer strengthens the adhesion strength of wearing layer, enhances PVC floor warping resistance ability.And basic unit adopts with flexible foaming layer
Can the form of extraordinary guarantee PVC floor, warping resistance ability and the adhesion strength of wearing layer by the thickness proportion of 3:1.
Further, described wearing layer is PVC material, and wearing layer thickness is 0.55mm-1mm, and wearing layer surface also sets up
There is UV layer.
The service life of PVC floor depends primarily on the thickness of wearing layer, and the wearing layer of 0.55mm can make under normal circumstances
With more than 5 years, and the wearing layer of 1mm can use about 20 years under normal circumstances, it is contemplated that the basic unit of PVC floor own and elastic
Alveolar layer has himself service life, such as rotten or elastic failure, and produces the cost of PVC floor, selects 0.55mm-
The wearing layer of 1mm thickness can reach well to use demand, and wearing layer surface processes through UV strengthens the hard of wearing layer surface
Degree, strengthens the wearability of PVC floor.
Further, described its raw material of UV layer includes aliphatic urethane acrylate 45-55 part, aromatic series by weight
Polyurethane propylene acid esters 5-9 part, reactive diluent 5-8 part, light trigger 1-4 part, solvent 50-60 part, auxiliary agent 0.5-0.9 part;
Described auxiliary agent contains diethanolamine, the isopropyl titanate of 6%, the iron sulfate of 2%, 20% Schiff's base and the surplus of by weight 10%
Polydimethylsiloxane.
Aromatic urethane propylene acid esters: have ammonia ester bond in aromatic urethane acrylic acid ester molecule, it is possible at macromolecule
Key intermediate formation and hydrogen bond, have wearability and the pliability of excellence, have good resistance to anti-property simultaneously with such oligomer,
Medicine and high-and low-temperature resistance performance, preferable resistance to impact, base material is had preferable adhesive force.The fragrant adoption of the present invention
Urethane propylene acid esters has higher mechanical strength and hardness and thermostability, and price is low is the first-selection of UV coating.Aliphatic poly ammonia
Ester acrylate: inhibited from yellowing, fast light, weatherability is excellent, and viscosity is relatively low simultaneously, has preferable resistance to impact.Light trigger divides
For crack type photoinitiator and hydrogen-capture-type light initiator two class, light trigger the most also will be with other auxiliary components such as photosensitizer
Be used together with sensitizer, work exactly in wide solidification process this molecule/sensitiser absorption luminous energy adjourn to excited state,
It is transferred to light trigger by energy, by ground state transition to excited state after light trigger absorption energy, chemical change occurs, produces
Reactive intermediate, thus initiated polymerization.Described solvent can be selected for any one prior art and realizes.Diethanolamine Chinese name
Title 2,2'-dihydroxy diethylamine, diethanolamine;Double hydroxyethyl amine;2,2`-imino group di-methylcarbinols: english abbreviation DEA, can be selected for
Prior art realizes.Isopropyl titanate (English name: Titanium tetraisopropanolate) another name is tetra isopropyl titanium
Acid esters;Tetraisopropoxy titanium.The ester exchange reaction being mainly used in organic synthesis and the catalyst of condensation reaction, can be selected for arbitrary
Plant commercially available prod to realize.Iron sulfate can be selected for any one commercially available prod and realizes.Schiff's base English name: Schiff base is also referred to as
Schiff 's base Schiff's base is primarily referred to as the class organic compound containing imines or azomethine characteristic group (-RC=N-), the most uncommon
Husband's alkali is to be condensed by amine and active carbonyl group to form, and can be selected for any one prior art and realizes.Polydimethylsiloxane,
(Polydimethylsiloxane), also referred to as dimethicone, is the organosilicon material of a kind of hydrophobic class.In medicine, daily use chemicals
All there is application in each fields such as articles for use, food, building, and its derivant has reached hundreds of, and conventional polysiloxanes mainly has: poly-two
Methylsiloxane, cyclomethicone, amino silicone, PSI, polysiloxane polyether copolymer.Its medium ring
Polydimethylsiloxane is just a kind of for conventional polysiloxanes.In the present invention, can be selected for any one prior art and realize.Pass through
Designer verifies, appropriate diethanolamine, isopropyl titanate can make UV layer possess recoatability, makes to possess between the coating of recoating
Adherence, when the UV layer on floor occurs damaged, it is not necessary to be replaced floor, can directly recoat UV layer, can effectively extend this
The service life on invention floor.Additionally, iron sulfate, Schiff's base more can be effectively improved the hardness of UV layer so that it is have higher
Anti-wear performance.
Further, described reactive diluent is tripropylene glycol diacrylate;Described light trigger is 1
Hydroxyl ring base in the sixth of the twelve Earthly Branches phenyl ketone, 2 hydroxyl 2 methyl 1 phenyl 1 acetone, 2,4,6 trimethylbenzoyls two
Phenyl phosphine oxide;Described mixed solvent includes ketone and alcohol ethers, and described ketone is acetone, butanone, methyl positive the eleventh of the twelve Earthly Branches base
One or more of ketone, methyl different the eleventh of the twelve Earthly Branches base ketone, described alcohol ethers be ethylene glycol monomethyl ether, ethylene glycol one or both
。
Preferably, described its raw material of UV layer the most also includes 0.5-1.5 part levelling agent and the froth breaking of 0.8-1.8 part
Agent.
Described levelling agent and defoamer all can be selected for any one prior art and realize.
Preferably, described its forming method of UV layer is by after each raw material mix homogeneously, uses bar coating device to be uniformly applied to
On described wearing layer, with 110~180mW/cm2Ultraviolet light, irradiate and 80~150s make paint solidification, obtain coating.
The beneficial effects of the present invention is:
The present invention, by arranging anti-deformation layer in basic unit, reduces the expansion and contraction of overall plastic floor by anti-deformation layer
Can, the stability on reinforced plastic floor, simple in construction, easy construction, local PVC floor can be provided for simple replacement of, and mould
Adhesive floor is unlikely to deform, and service life is long.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the anti-deformation Rotating fields schematic diagram of embodiments of the invention 2.
Fig. 3 is the anti-deformation layer structural scheme of mechanism of embodiments of the invention 3.
Fig. 4 is the anti-deformation layer structural scheme of mechanism of embodiments of the invention 4.
Detailed description of the invention
The present invention is described in further detail below in conjunction with embodiment for the ease of it will be appreciated by those skilled in the art that:
Embodiment 1
The present embodiment provides a kind of low-shrinkage plastic floor, as it is shown in figure 1,
Including basic unit, described basic unit is sequentially arranged above flexible foaming layer 3, printing film 4 and wearing layer 5, described basic unit with
The one side of ground contact is provided with shading, is provided with the anti-deformation layer 2 of low-shrinkage in described basic unit, and described anti-deformation layer is by base
Layer is divided into basic unit 11 and goes to a grassroots level 12.
Described basic unit and flexible foaming 3 layer thickness are than for 3:1.
Described wearing layer 5 is PVC material, and wearing layer thickness is 0.55mm-1mm, and wearing layer 5 surface is additionally provided with UV layer 6.
Embodiment 2
A kind of low-shrinkage plastic floor of the present embodiment offer, as Figure 1-Figure 2,
Including basic unit, described basic unit is sequentially arranged above flexible foaming layer 3, printing film 4 and wearing layer 5, described basic unit with
The one side of ground contact is provided with shading, is provided with the anti-deformation layer 2 of low-shrinkage in described basic unit, and described anti-deformation layer is by base
Layer is divided into basic unit 11 and goes to a grassroots level 12.
Described anti-deformation layer 2 upper surface is provided with multiple upper groove 21, described anti-deformation layer 2 lower surface be provided with multiple under
Groove 22.
Described basic unit and flexible foaming 3 layer thickness are than for 3:1.
Described wearing layer 5 is PVC material, and wearing layer thickness is 0.55mm-1mm, and wearing layer 5 surface is additionally provided with UV layer 6.
Embodiment 3
A kind of low-shrinkage plastic floor of the present embodiment offer, as Figure 1-Figure 2,
Including basic unit, described basic unit is sequentially arranged above flexible foaming layer 3, printing film 4 and wearing layer 5, described basic unit with
The one side of ground contact is provided with shading, is provided with the anti-deformation layer 2 of low-shrinkage in described basic unit, and described anti-deformation layer is by base
Layer is divided into basic unit 11 and goes to a grassroots level 12.
Described anti-deformation layer 2 upper surface is provided with multiple upper groove 21, described anti-deformation layer 2 lower surface be provided with multiple under
Groove 22.
Described upper groove 21 overlaps with low groove 22 rectangular array and projected area respectively, and upper groove 21 connects recessed
Groove 22.
Described basic unit and flexible foaming 3 layer thickness are than for 3:1.
Described wearing layer 5 is PVC material, and wearing layer thickness is 0.55mm-1mm, and wearing layer 5 surface is additionally provided with UV layer 6.
Embodiment 4
A kind of low-shrinkage plastic floor of the present embodiment offer, as Figure 1-Figure 2,
Including basic unit, described basic unit is sequentially arranged above flexible foaming layer 3, printing film 4 and wearing layer 5, described basic unit with
The one side of ground contact is provided with shading, is provided with the anti-deformation layer 2 of low-shrinkage in described basic unit, and described anti-deformation layer is by base
Layer is divided into basic unit 11 and goes to a grassroots level 12.
Described anti-deformation layer 2 upper surface is provided with multiple upper groove 21, described anti-deformation layer 2 lower surface be provided with multiple under
Groove 22.
Described upper groove 21 and low groove 22 interlaced arrangement and rectangular array, described upper groove 21 connects adjacent recessed
Groove 22, described low groove 22 connects adjacent upper groove 21.
Described basic unit and flexible foaming 3 layer thickness are than for 3:1.
Described wearing layer 5 is PVC material, and wearing layer thickness is 0.55mm-1mm, and wearing layer 5 surface is additionally provided with UV layer 6.
Embodiment 5
The present embodiment provides a kind of low-shrinkage plastic floor, and its structure is consistent with embodiment 1.Particularly, institute in the present embodiment
State its raw material of UV layer and include aliphatic urethane acrylate (covering this tower sky 306) 50 parts, aromatic urethane by weight
Propylene acid esters (the western EB205 of ratio of greater inequality) 7 parts, reactive diluent (the western EB1110 of ratio of greater inequality) 6 parts, light trigger (Ciba
184) 2 parts, solvent 54 parts, auxiliary agent 0.8 part;Described auxiliary agent contain by weight 10% diethanolamine, the isopropyl titanate of 6%,
Iron sulfate, 20% Schiff's base and the polydimethylsiloxane of surplus of 2%.
Described mixed solvent includes acetone, ethylene glycol monomethyl ether, and the two mixes with mass ratio 1:1.
Further, described its raw material of UV layer the most also include 0.9 part of levelling agent (Bayer BYK-3500) and
The defoamer (moral modest 2700) of 1.5 parts.
Preferably, described its forming method of UV layer is by after each raw material mix homogeneously, uses bar coating device to be uniformly applied to
On described wearing layer, with 140mW/cm2Ultraviolet light, irradiate 100s make paint solidification, obtain coating.
Embodiment 6
The present embodiment provides a kind of low-shrinkage plastic floor, and its structure is consistent with embodiment 1.Particularly, institute in the present embodiment
State its raw material of UV layer and include aliphatic urethane acrylate 55 parts, aromatic urethane propylene acid esters 5 parts, activity by weight
Diluent 8 parts, light trigger 1 part, solvent 60 parts, auxiliary agent 0.5 part;Described auxiliary agent contain by weight 10% diethanolamine, 6%
Isopropyl titanate, the iron sulfate of 2%, 20% Schiff's base and the polydimethylsiloxane of surplus.
Further, described reactive diluent is that (the present embodiment selects BASF to tripropylene glycol diacrylate
PPGTA);Described light trigger selects the 16992 of LG-DOW;Described mixed solvent is pressed matter by butanone, ethylene glycol
The amount ratio than 1:2 mixes.
Further, described its raw material of UV layer the most also includes 1.5 parts of levelling agents and the defoamer of 0.8 part.
Preferably, described its forming method of UV layer is by after each raw material mix homogeneously, uses bar coating device to be uniformly applied to
On described wearing layer, with 180mW/cm2Ultraviolet light, irradiate 80s make paint solidification, obtain coating.
Embodiment 7
The present embodiment provides a kind of low-shrinkage plastic floor, and its structure is consistent with embodiment 1.Particularly, institute in the present embodiment
State its raw material of UV layer and include aliphatic urethane acrylate 45 parts, aromatic urethane propylene acid esters 9 parts, activity by weight
Diluent 5 parts, light trigger 4 parts, solvent 50 parts, auxiliary agent 0.9 part;Described auxiliary agent contain by weight 10% diethanolamine, 6%
Isopropyl titanate, the iron sulfate of 2%, 20% Schiff's base and the polydimethylsiloxane of surplus.
Further, described reactive diluent is tripropylene glycol diacrylate
Comparative example 8
The present embodiment provides a kind of low-shrinkage plastic floor, and its structure is consistent with embodiment 1.Particularly, institute in the present embodiment
State its raw material of UV layer and include aliphatic urethane acrylate 55 parts, aromatic urethane propylene acid esters 5 parts, activity by weight
Diluent 8 parts, light trigger 1 part, solvent 60 parts, auxiliary agent 0.5 part;Described auxiliary agent contain by weight 10% triethanolamine, 6%
Isopropyl titanate, the ferrous sulfate of 2%, 20% Schiff's base and the polydimethylsiloxane of surplus.
Further, described reactive diluent is that (the present embodiment selects BASF to tripropylene glycol diacrylate
PPGTA);Described light trigger selects the 16992 of LG-DOW;Described mixed solvent is pressed matter by butanone, ethylene glycol
The amount ratio than 1:2 mixes.
Further, described its raw material of UV layer the most also includes 1.5 parts of levelling agents and the defoamer of 0.8 part.
Preferably, described its forming method of UV layer is by after each raw material mix homogeneously, uses bar coating device to be uniformly applied to
On described wearing layer, with 180mW/cm2Ultraviolet light, irradiate 80s make paint solidification, obtain coating.
Embodiment 9
The present embodiment provides a kind of low-shrinkage plastic floor, and its structure is consistent with embodiment 1.Particularly, institute in the present embodiment
State its raw material of UV layer and include aliphatic urethane acrylate 55 parts, aromatic urethane propylene acid esters 5 parts, activity by weight
Diluent 8 parts, light trigger 1 part, solvent 60 parts, auxiliary agent 0.5 part;Described auxiliary agent contain by weight 10% diethanolamine, 2%
Iron sulfate and the polydimethylsiloxane of surplus.
Further, described reactive diluent is that (the present embodiment selects BASF to tripropylene glycol diacrylate
PPGTA);Described light trigger selects the 16992 of LG-DOW;Described mixed solvent is pressed matter by butanone, ethylene glycol
The amount ratio than 1:2 mixes.
Further, described its raw material of UV layer the most also includes 1.5 parts of levelling agents and the defoamer of 0.8 part.
Preferably, described its forming method of UV layer is by after each raw material mix homogeneously, uses bar coating device to be uniformly applied to
On described wearing layer, with 180mW/cm2Ultraviolet light, irradiate 80s make paint solidification, obtain coating.
Embodiment 10
The present embodiment provides a kind of low-shrinkage plastic floor, and its structure is consistent with embodiment 1.Particularly, institute in the present embodiment
State its raw material of UV layer and include aliphatic urethane acrylate 55 parts, aromatic urethane propylene acid esters 5 parts, activity by weight
Diluent 8 parts, light trigger 1 part, solvent 60 parts.
Further, described reactive diluent is that (the present embodiment selects BASF to tripropylene glycol diacrylate
PPGTA);Described light trigger selects the 16992 of LG-DOW;Described mixed solvent is pressed matter by butanone, ethylene glycol
The amount ratio than 1:2 mixes.
Further, described its raw material of UV layer the most also includes 1.5 parts of levelling agents and the defoamer of 0.8 part.
Preferably, described its forming method of UV layer is by after each raw material mix homogeneously, uses bar coating device to be uniformly applied to
On described wearing layer, with 180mW/cm2Ultraviolet light, irradiate 80s make paint solidification, obtain coating.
Recoat on UV layer surface, it is thus achieved that recoating coating, and counterweight coating layer performance is tested.Its result such as following table
Shown in.
Being more than the wherein specific implementation of the present invention, it describes more concrete and detailed, but can not therefore manage
Solve as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from
On the premise of present inventive concept, it is also possible to make some deformation and improvement, these obvious alternative forms belong to this
Bright protection domain.