CN109293967A - A kind of colorful PVC foam plate and preparation method thereof - Google Patents
A kind of colorful PVC foam plate and preparation method thereof Download PDFInfo
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- CN109293967A CN109293967A CN201811184446.9A CN201811184446A CN109293967A CN 109293967 A CN109293967 A CN 109293967A CN 201811184446 A CN201811184446 A CN 201811184446A CN 109293967 A CN109293967 A CN 109293967A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on 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; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on 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; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/04—Coating compositions based on 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; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C09D127/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/29—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for multicolour effects
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/41—Organic pigments; Organic dyes
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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
- 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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- 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
- C08J2427/00—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
- C08J2427/02—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
- C08J2427/04—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
- C08J2427/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
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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
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
- C08J2475/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a kind of colorful PVC foam plates and preparation method thereof, comprising the following steps: is activated using coupling agent to pigment；Multicolor finish is prepared using the pigment after activation；Multicolor finish is sprayed into PVC foam plate surface and prepares colorful PVC foam plate.The present invention can play good decorative effect by influence the effects of PVC foam plate surface sprays one layer of tens microns of thick blooms, texture coating, can not only prevent light, heat, oxygen to PVC foam plate performance；It is also greatly reduced the usage amount of pigment simultaneously, has good economic benefit.Further, since coating is very thin, so that the influence of pigment to PVC color during reproduction utilizes of PVC foam board waste material can be ignored, to not have to classification in the recycling of colored PVC foam board waste material, a large amount of manpower, material resources are saved.
Description
Technical field
The invention belongs to technical field of plastic, and in particular to a kind of colorful PVC foam plate and preparation method thereof.
Background technique
Currently, colorful PVC foam plate available on the market is mostly the colorful PVC foam plate of constitution, i.e., produced in PVC foam plate
In the process, production process (a kind of such as patent " PVC colored composition " application number: 201410248343.X) is added a pigment to,
Form pigment and PVC foam plate integrally.The colorful PVC foam plate color that this method is prepared is single, and texture is poor, and
It is easy to aging of degrading under the action of light, heat, oxygen, leads to product color yellowing, becomes fragile and harden, physical property is greatly reduced.
In addition, the recycling for the PVC foam board waste material that this method is prepared is more troublesome, because color is different, need at categorised collection
Reason.Therefore, it is necessary to a kind of new colorful PVC foam plate preparation method be developed, to solve drawback of the existing technology.
Summary of the invention
The present invention provides a kind of colorful PVC foam plates and preparation method thereof, solve colorful PVC foam in the prior art
Plate color is single, and texture is poor, and is easy to aging of degrading under the action of light, heat, oxygen, leads to product color yellowing, becomes fragile
It hardens, the problem of performance is greatly reduced.
The first purpose of the invention is to provide a kind of preparation methods of colorful PVC foam plate, comprising the following steps:
Step 1, the activation of pigment
Under the revolving speed of 0-200r/min, pigment powder is poured into the mixed tank of heat, the volume of pigment powder is made to account for the mixed tank volume of heat
56-80.5%, then revolving speed is improved to 600-1000r/min, is added thereto when temperature reaches 30-60 DEG C in the mixed tank of heat
Enter coupling agent, obtains mixture A after mixing evenly；Continue to stir, when temperature reaches 80-120 DEG C in the mixed tank of heat, by mixture
A is transferred in cold mixed tank, and aging 0.5-48h, obtains activated pigment after aging；
Wherein, pigment powder and coupling agent mass ratio are 100:1.25-2.5；
Step 2, the preparation of multicolor finish
Step 2.1, deionized water is poured into agitator tank, then using the high speed grinding dispersion machine with dispersion impeller with 0-
The revolving speed grinding distribution of 200r/min, at the same sequentially add into agitator tank fungicide, wetting agent, dispersing agent, defoaming agent A plus
Work auxiliary agent, improves revolving speed to 600-1000r/min after addition, and stirs 20min, keeps material stirring uniform, is mixed
Close material B；
Step 2.2, the dispersion impeller of high speed grinding dispersion machine is adjusted to the stirring pot bottom equipped with mixture B, then toward it
Activated pigment obtained in middle addition step 1 improves the position of dispersion impeller, and be correspondingly improved after activated pigment is added
Revolving speed disperses 20-120min, obtains mixture C to 700-1000r/min；
Step 2.3, under the revolving speed of 100r/min, water high light of the partial size less than 0.1 μm is sequentially added into mixture C
Lotion, coalescing agent, defoaming agent B, levelling thickener, make paint viscosity 50-90KU after mixing, add pH adjusting
Agent, adjustment system pH are 7-9, obtain mixture D；Mixture D is filtered to get the multicolor finish is arrived；
Wherein, deionized water, fungicide, wetting agent, dispersing agent, defoaming agent A, processing aid, activated pigment, water high light
Lotion, coalescing agent: defoaming agent B, levelling thickener mass ratio be 100:0.7-1:3-8:12.5-25:1-2.5:20-80:
26-60:750-800:30-60:5-7:1.2-8.5；
Step 3, the preparation of colorful PVC foam plate
Then the multicolor finish obtained in PVC foam plate surface spraying process 2 is dried for 24 hours under the conditions of 25-60 DEG C,
After drying to PVC foam plate carry out trimming, overlay film to get arrive the colorful PVC foam plate.
Preferably, the pigment powder is titanium white, bright red, phthalocyanine blue, pigment yellow, high-carbon black pigment iron oxide yellow, iron oxide red, permanent violet
One or more of, and the partial size of the pigment powder is less than 10 μm.
Preferably, the specific operation process of the step 2.2 is as follows: the dispersion impeller of high speed grinding dispersion machine is adjusted to away from dress
There is the stirring pot bottom 2-5cm of mixture B, high speed dispersion shape in agitator tank then is added in activated pigment obtained in step 1
At vortex in, after activated pigment is added, improve the position of dispersion impeller, be adjusted to the dispersion impeller to be located at stirring tank level high
At the 1/2-2/3 of degree, whirlpool is made to shoal, and be correspondingly improved revolving speed to 600-1000r/min, dispersed 20-120min, mixed
Close material C.
Preferably, in the step 2.2, when temperature is more than 45 DEG C in agitator tank when high speed dispersion, stop high speed dispersion,
High speed dispersion is further continued for after temperature is down to 45 DEG C or less.
Preferably, the coupling agent is butyl titanate, isopropyl tri titanate, methyltrimethoxysilane, vinyl silicon
One or more of alkane, aluminium titanium composite coupler；
The fungicide is ethylene glycol dihydroxy methyl ether, Bis(hydroxymethyl)imidazolidinyl urea, acyl in dihydroxymethyl dimethyl second
One or more of urea, bronopol, benzene bacterium amide, zarilamid, Guardian；
The wetting agent is phenyl phenol polyethenoxy ether, Negel, phenolic derivative, castor oil sulfuric acid chemical combination
One or more of object, dodecyl sodium sulfate；
The dispersing agent is sodium metnylene bis-naphthalene sulfonate, alkylbenzene sulfonate, alkylaryl sulfonates phenyl phenol polyoxy second
One or more of alkene ether, castor oil sulphate；
The defoaming agent A and defoaming agent B is silicone emulsion, polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene
One of polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether, polyoxyethylene polyoxypropylene glycerin ether, dimethyl silicone polymer are several
Kind；
The processing aid is one or more of ethylene glycol, propylene glycol, diethylene glycol；
The levelling thickener is polyurethane levelling thickener；
The water high light lotion is polyaminoester emulsion, acrylic emulsion, acrylic acid modified polyurethane lotion, epoxy-modified
One or more of acrylic emulsion, chlorine vinegar milk liquid, epoxy emulsion；
The coalescing agent is diethylene glycol diethyl ether, butyl, butyl glycol ether, propylene glycol monomethyl ether, dipropyl
One or more of glycol methyl ether, dipropylene, alcohol ester 12, glycerin ether, 1,4- fourth lactones etc.；
The pH adjusting agent is one of AMP-95, ammonium hydroxide, KOH or NaOH.
Preferably, obtained in PVC foam plate surface spraying process 2 using spraying, showering or roller coating in the step 3
Multicolor finish, and PVC foam plate surface spraying multicolor finish with a thickness of 50-65 μm.
A second object of the present invention is to provide a kind of colorful PVC foam plates prepared according to the above method.
Compared with prior art, the beneficial effects of the present invention are:
The present invention by PVC foam plate surface spray one layer of tens microns of thick blooms, texture coating, not only decoration,
Protecting effect it is excellent (PVC degrades aging under being easy to the light and heat, oxygen the effects of, leads to product color yellowing, becomes fragile and harden,
Physical property is greatly reduced), and the usage amount of pigment is substantially reduced, so as to which colorful foaming PVC plate is greatly lowered
Price.
Further, since coating is very thin, so that influence of the pigment to PVC color can during reproduction utilizes for PVC waste material
To ignore, to not have to classification in the recycling of colored PVC foam board waste material, a large amount of manpower, material resources can be saved.This hair
The colorful PVC foam plate of bright preparation can be widely used, and have good application prospect.
Specific embodiment
In order to enable those skilled in the art to more fully understand, technical solution of the present invention is practiced, below with reference to specific
The invention will be further described for embodiment, but illustrated embodiment is not as a limitation of the invention.
It should be noted that test method described in various embodiments of the present invention is unless otherwise specified conventional method,
The brand of aqueous polyurethane levelling thickener used is moral field thickener, and model L-1035, other are raw materials used such as without special
Illustrate, is conventional reagent.
Embodiment 1
A kind of preparation method of colorful PVC foam plate, comprising the following steps:
Step 1, the activation of pigment
Under the revolving speed of 100r/min, the 254 pigment powder that 100kg partial size is 5 μm are poured into the mixed tank of heat, are made bright red
The volume of pigment powder accounts for the 70% of the mixed tank volume of heat, then improves revolving speed to 800r/min, when temperature reaches 50 in the mixed tank of heat
DEG C when be charged with 1.5kg butyl titanate, to improve the dispersibility and compatibility between pigment and water, adjust two-phase
Interfacial activity；Above-mentioned each raw material obtains mixture A after mixing evenly；Continue to stir, it, will when temperature reaches 90 DEG C in the mixed tank of heat
Mixture A is transferred in cold mixed tank, and aging is for 24 hours, and aging finishes to obtain activated pigment；
Step 2, the preparation of multicolor finish
Step 2.1,100kg deionized water is poured into agitator tank, is then dispersed using the high speed grinding with dispersion impeller
Machine is dispersed with the revolving speed of 100r/min, while 1kg ethylene glycol dihydroxy methyl ether, 3kg phenyl phenol polyoxy are sequentially added into agitator tank
Vinethene, 12.5kg Sulfonated castor oil, 1kg polyoxyethylene polyoxypropylene pentaerythrite ether, 20kg ethylene glycol, after addition
Revolving speed is improved to 600r/min, and stirs 20min, keeps material stirring uniform, obtains mixture B；
Step 2.2, away from the stirring pot bottom 5cm that mixture B is housed, then the dispersion impeller of high speed grinding dispersion machine is adjusted to
25kg activated pigment obtained in step 1 is taken to be added in the vortex that high speed dispersion is formed in agitator tank, activated pigment addition finishes
Afterwards, dispersion impeller is adjusted at be located at stirring innage 1/2, whirlpool is made to shoal by the position for improving dispersion impeller, and corresponding
Raising revolving speed to 800r/min, disperse 30min, obtain mixture C；
Step 2.3, under the revolving speed of 100r/min, acrylic acid of the partial size less than 0.1 μm is sequentially added into mixture C and is changed
Property polyaminoester emulsion 800kg, 30kg diethylene glycol diethyl ether, 5kg polyoxyethylene polyoxypropylene pentaerythrite ether, 1.5kg are aqueous
Polyurethane levelling thickener adds AMP-95 after mixing, and adjustment system pH is 8, and paint viscosity 68KU is mixed
Expect D, mixture D is crossed into 2500 mesh filter clothes to get multicolor finish is arrived；
Step 3, the preparation of colorful PVC foam plate
The multicolor finish obtained in PVC foam plate surface spraying process 2, thickness of coating layer is 60 μm, then ultra-clean
Between under the conditions of 30 DEG C drying time for 24 hours, trimming, overlay film are carried out to get arriving the colorful PVC to PVC foam plate after dry
Foamed board.
After testing, prepare (60 °) of colorful foamed board lustrous surface of embodiment 1 are 83, and hardness (Mitsubishi's pencil) is
H-2H, water-fast 150h, bubble-free phenomenon, 0 grade of adhesive force, 8 grades of weather-proof grade, 5 grades of rating for light fastness.
Embodiment 2
A kind of preparation method of colorful PVC foam plate, comprising the following steps:
Step 1, the activation of pigment
The phthalocyanine blue pigment powder that 80kg partial size is 2 μm is poured into the mixed tank of heat, so that the volume of phthalocyanine blue pigment powder is accounted for heat mixed
Then the 56% of tank volume improves revolving speed to 800r/min, be charged with 1kg tri- when temperature reaches 30 DEG C in the mixed tank of heat
Isopropyl titanate obtains mixture A after mixing evenly；Continue to stir, when temperature reaches 80 DEG C in the mixed tank of heat, by mixture A
It is transferred in cold mixed tank, and aging 0.5h, aging finishes to obtain activated pigment；
Step 2.1,100kg deionized water is poured into agitator tank, while sequentially adds 0.8kg bromine nitre third into agitator tank
Glycol, 8kg Negel, 25kg sodium metnylene bis-naphthalene sulfonate, 2.5kg polypropylene glycerol aether, 45kg propylene glycol are added
After revolving speed is improved to 850r/min, and stir 20min, keep material stirring uniform, obtain mixture B；
Step 2.2, away from the stirring pot bottom 2cm that mixture B is housed, then the dispersion impeller of high speed grinding dispersion machine is adjusted to
60kg activated pigment obtained in step 1 is taken to be added in the vortex that high speed dispersion is formed in agitator tank, activated pigment addition finishes
Afterwards, dispersion impeller is adjusted at be located at stirring innage 1/2, whirlpool is made to shoal by the position for improving dispersion impeller, and corresponding
Raising revolving speed to 700r/min, disperse 20min, obtain mixture C；
Step 2.3, under the revolving speed of 100r/min, chlorine vinegar milk liquid of the partial size less than 0.1 μm is sequentially added into mixture C
750kg, 40kg dipropylene glycol, 5kg polypropylene glycerol aether, 1.2kg aqueous polyurethane levelling thickener, after mixing again
Ammonium hydroxide is added, adjustment system pH is 7.5, and paint viscosity 50KU obtains mixture D, mixture D is crossed 2500 mesh filter clothes, i.e.,
Obtain the multicolor finish；
Step 3, the preparation of colorful PVC foam plate
The multicolor finish obtained in PVC foam plate surface showering step 2, thickness of coating layer is 50 μm, then ultra-clean
Between under the conditions of 60 DEG C drying time for 24 hours, trimming, overlay film are carried out to get arriving colorful PVC foam to PVC foam plate after dry
Plate.
After testing, prepare (60 °) of colorful foamed board lustrous surface of embodiment 1 are 95, and hardness (Mitsubishi's pencil) is
H, water-fast 150h, bubble-free phenomenon, 0 grade of adhesive force, 8 grades of weather-proof grade, 5 grades of rating for light fastness.
Embodiment 3
A kind of preparation method of colorful PVC foam plate, comprising the following steps:
Step 1, the activation of pigment
Under the revolving speed of 200r/min, 1 μm of 115kg partial size of permanent violet pigment powder is poured into the mixed tank of heat, permanent violet is made
The volume of pigment powder accounts for the 80.5% of the mixed tank volume of heat, then improves revolving speed to 1000r/min, when temperature reaches in the mixed tank of heat
2.8kg methyltrimethoxysilane is charged at 60 DEG C, to improve the dispersibility and compatibility between pigment and water, adjustment
Two-phase interface activity；Above-mentioned each raw material obtains mixture A after mixing evenly；Continue to stir, when temperature reaches 120 DEG C in the mixed tank of heat
When, mixture A is transferred in cold mixed tank, and aging 48h, aging finishes to obtain activated pigment；
Step 2.1,100kg deionized water is poured into agitator tank, is then dispersed using the high speed grinding with dispersion impeller
Machine is dispersed with the revolving speed of 200r/min, at the same sequentially add into agitator tank 0.7kg benzene bacterium amide, 5kg Sulfonated castor oil,
15kg alkylaryl sulfonates phenyl phenol polyethenoxy ether, 2.5kg dimethyl silicone polymer, 80kg diethylene glycol, addition finish
Revolving speed is improved to 1000r/min afterwards, and stirs 20min, keeps material stirring uniform, obtains mixture B；
Step 2.2, away from the stirring pot bottom 3cm that mixture B is housed, then the dispersion impeller of high speed grinding dispersion machine is adjusted to
The activated pigment for obtaining 26kg in step 1 is taken to be added in the vortex that high speed dispersion is formed in agitator tank, activated pigment addition finishes
Afterwards, dispersion impeller is adjusted at be located at stirring innage 2/3, whirlpool is made to shoal by the position for improving dispersion impeller, and corresponding
Raising revolving speed to 1000r/min, disperse 120min, obtain mixture C；
Step 2.3, under the revolving speed of 100r/min, propylene yogurt of the partial size less than 0.1 μm is sequentially added into mixture C
Liquid 800kg, 60kg glycerin ether, 7kg dimethyl silicone polymer, 8.5kg aqueous polyurethane levelling thickener add again after mixing
Enter KOH, adjustment system pH is 9, and paint viscosity 90KU obtains mixture D, and mixture D is crossed 2500 mesh filter clothes to get to institute
State multicolor finish；
Step 3, the preparation of colorful PVC foam plate
The multicolor finish obtained in PVC foam plate surface roll-coating steps 2, thickness of coating layer is 65 μm, then ultra-clean
Between under the conditions of 25 DEG C drying time for 24 hours, trimming, overlay film are carried out to get arriving colorful PVC foam to PVC foam plate after dry
Plate.
After testing, prepare (60 °) of colorful foamed board lustrous surface of embodiment 1 are 89, and hardness (Mitsubishi's pencil) is
2H-3H, water-fast 150h, bubble-free phenomenon, 0 grade of adhesive force, 8 grades of weather-proof grade, 5 grades of rating for light fastness.
It should be noted that when temperature is more than 45 DEG C in agitator tank when high speed dispersion, stopping high speed point in step 2.2
It dissipates, is further continued for high speed dispersion after temperature is down to 45 DEG C or less.
From the testing result of embodiment 1-3 it is found that the present invention sprays one layer of tens microns of thick painting in PVC foam plate surface
Layer, the coating gloss (60 °) reach 83 or more, belong to bloom, and adhesive force, weather-proof grade and rating for light fastness are most high
Grade, thus its not only texture is plentiful, good decorating effect, and protective value is excellent, the effects of capable of resisting light, heat, oxygen, causes
PVC foam plate degrade aging, product color yellowing, become fragile the drawbacks such as harden.
It should be noted that involved in description of the invention when numberical range, it is thus understood that two of each numberical range
Any one numerical value can be selected between endpoint and two endpoints, since the step method of use is identical as embodiment 1-3, be
It prevents from repeating, the present invention describes preferred embodiment, and once a person skilled in the art knows substantially creative
Concept, then additional changes and modifications may be made to these embodiments.So it includes preferred that the following claims are intended to be interpreted as
Embodiment and all change and modification for falling into the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (7)
1. a kind of preparation method of colorful PVC foam plate, which comprises the following steps:
Step 1, the activation of pigment
Under the revolving speed of 0-200r/min, pigment powder is poured into the mixed tank of heat, the volume of pigment powder is made to account for the 56- of the mixed tank volume of heat
80.5%, then revolving speed is improved to 600-1000r/min, is charged with idol when temperature reaches 30-60 DEG C in the mixed tank of heat
Join agent, obtains mixture A after mixing evenly；Continue to stir, when temperature reaches 80-120 DEG C in the mixed tank of heat, mixture A is turned
It moves on in cold mixed tank, and aging 0.5-48h, obtains activated pigment after aging；
Wherein, the mass ratio of pigment powder and coupling agent is 100:1.25-2.5；
Step 2, the preparation of multicolor finish
Step 2.1, deionized water is poured into agitator tank, then using the high speed grinding dispersion machine with dispersion impeller with 0-
The revolving speed grinding distribution of 200r/min, at the same sequentially add into agitator tank fungicide, wetting agent, dispersing agent, defoaming agent A plus
Work auxiliary agent, improves revolving speed to 600-1000r/min after addition, and stirs 20min, keeps material stirring uniform, is mixed
Close material B；
Step 2.2, the dispersion impeller of high speed grinding dispersion machine is adjusted to the stirring pot bottom equipped with mixture B, then added thereto
Enter activated pigment obtained in step 1 and improves the position of dispersion impeller, and be correspondingly improved revolving speed after activated pigment is added
To 700-1000r/min, disperses 20-120min, obtain mixture C；
Step 2.3, under the revolving speed of 100r/min, water high light cream of the partial size less than 0.1 μm is sequentially added into mixture C
Liquid, coalescing agent, defoaming agent B, levelling thickener, make paint viscosity 50-90KU after mixing, add pH adjusting agent,
Adjustment system pH is 7-9, obtains mixture D；Mixture D is filtered to get the multicolor finish is arrived；
Wherein, deionized water, fungicide, wetting agent, dispersing agent, defoaming agent A, processing aid, activated pigment, water high light cream
Liquid, coalescing agent: defoaming agent B, levelling thickener mass ratio be 100:0.7-1:3-8:12.5-25:1-2.5:20-80:26-
60:750-800:30-60:5-7:1.2-8.5；
Step 3, the preparation of colorful PVC foam plate
The multicolor finish obtained in PVC foam plate surface spraying process 2, then drying is for 24 hours, dry under the conditions of 25-60 DEG C
After to PVC foam plate carry out trimming, overlay film to get arrive the colorful PVC foam plate.
2. the preparation method of colorful PVC foam plate according to claim 1, which is characterized in that the pigment powder be titanium white,
One or more of bright red, phthalocyanine blue, pigment yellow, high-carbon black pigment iron oxide yellow, iron oxide red, permanent violet, and the grain of the pigment powder
Diameter is less than 10 μm.
3. the preparation method of colorful PVC foam plate according to claim 1, which is characterized in that the step 2.2 it is specific
Operating process is as follows: away from the stirring pot bottom 2-5cm that mixture B is housed, then the dispersion impeller of high speed grinding dispersion machine is adjusted to
Activated pigment obtained in step 1 is added in the vortex that high speed dispersion is formed in agitator tank, after activated pigment is added, is mentioned
Dispersion impeller is adjusted at the 1/2-2/3 for being located at stirring innage, whirlpool is made to shoal by the position of high dispersive disk, and corresponding
Raising revolving speed to 600-1000r/min, disperse 20-120min, obtain mixture C.
4. the preparation method of colorful PVC foam plate according to claim 3, which is characterized in that in the step 2.2, when
When temperature is more than 45 DEG C in agitator tank when high speed dispersion, stop high speed dispersion, high speed is further continued for after temperature is down to 45 DEG C or less
Dispersion.
5. the preparation method of colorful PVC foam plate according to claim 1, which is characterized in that the coupling agent is metatitanic acid
One or more of four butyl esters, isopropyl tri titanate, methyltrimethoxysilane, vinyl silanes, aluminium titanium composite coupler；
The fungicide is ethylene glycol dihydroxy methyl ether, Bis(hydroxymethyl)imidazolidinyl urea, dimethyloldimethylhydantoin, bromine
One or more of nitre propylene glycol, benzene bacterium amide, zarilamid, Guardian；
The wetting agent is phenyl phenol polyethenoxy ether, Negel, phenolic derivative, castor oil sulphate, ten
One or more of dialkyl sulfonates；
The dispersing agent be sodium metnylene bis-naphthalene sulfonate, alkylbenzene sulfonate, alkylaryl sulfonates phenyl phenol polyethenoxy ether,
One or more of castor oil sulphate；
The defoaming agent A and defoaming agent B is silicone emulsion, polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy
One or more of propyl alcohol amidogen ether, polypropylene glycerol aether, polyoxyethylene polyoxypropylene glycerin ether, dimethyl silicone polymer；
The processing aid is one or more of ethylene glycol, propylene glycol, diethylene glycol；
The levelling thickener is polyurethane levelling thickener；
The water high light lotion is polyaminoester emulsion, acrylic emulsion, acrylic acid modified polyurethane lotion, epoxy-modified propylene
One or more of yogurt liquid, chlorine vinegar milk liquid, epoxy emulsion；
The coalescing agent is diethylene glycol diethyl ether, butyl, butyl glycol ether, propylene glycol monomethyl ether, dipropylene glycol
One or more of methyl ether, dipropylene, alcohol ester 12, glycerin ether, 1,4- fourth lactones etc.；
The pH adjusting agent is one of AMP-95, ammonium hydroxide, KOH or NaOH.
6. the preparation method of colorful PVC foam plate according to claim 1, which is characterized in that using spray in the step 3
It applies, showering or the roller coating multicolor finish obtained in PVC foam plate surface spraying process 2, and the spraying of PVC foam plate surface is more
Color coating material with a thickness of 50-65 μm.
7. the colorful PVC foam plate that one kind is prepared method according to claim 1.
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| US5021290A (en) * | 1990-03-26 | 1991-06-04 | Continental Products Company | Vinyl based coatings for foamed materials |
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|---|---|---|---|---|
| US5021290A (en) * | 1990-03-26 | 1991-06-04 | Continental Products Company | Vinyl based coatings for foamed materials |
| CN101717554A (en) * | 2009-12-16 | 2010-06-02 | 广东盛恒昌化学工业有限公司 | Plastic profiled bar decorative layer combination material with metal-like natural texture, preparation method and application thereof |
| CN102286235A (en) * | 2010-06-17 | 2011-12-21 | 纬创资通股份有限公司 | Water-based single solution type coating and method for forming a high lustrous coating layer by using the same |
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