CN110343500A - A kind of advertisement KT plate polyurethane binder and preparation method thereof - Google Patents
A kind of advertisement KT plate polyurethane binder and preparation method thereof Download PDFInfo
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- CN110343500A CN110343500A CN201910712763.1A CN201910712763A CN110343500A CN 110343500 A CN110343500 A CN 110343500A CN 201910712763 A CN201910712763 A CN 201910712763A CN 110343500 A CN110343500 A CN 110343500A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3215—Polyhydroxy compounds containing aromatic groups or benzoquinone groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4808—Mixtures of two or more polyetherdiols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4829—Polyethers containing at least three hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
- C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6607—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention discloses a kind of advertisement KT plate polyurethane binder and preparation method thereof, comprises the following raw materials by weight percent: polyether polyol 42.4%-53.7%, polyester polyol 0%-5%, aromatic diol 1.0%-5.5%, polyisocyanates 18.2%-31.6%, plasticizer 5%-14%, solvent 0%-9%, silane coupling agent 0.3%-1.2%.Aromatic diol used in the present invention contains symmetrical benzene ring structure, similar to the structure of polystyrene, thus increases the affinity and adhesive force to PS plate core, improves the adhesion strength to PS plate core of polyurethane binder.The present invention is modified polyurethane system using silane coupling agent, silane coupling agent is the organic silicon monomer in molecule with two or more differential responses groups, water-disintegrable functional group therein can be combined with the moisture and hydroxyl of PS solar absorber surface, organo-functional group therein can occur chemical reaction with polyurethane binder and be combined, and dramatically increase polyurethane binder to the adhesion strength of PS plate core.
Description
Technical field
The present invention relates to polyurethane adhesive technology fields, and in particular to a kind of advertisement KT plate polyurethane binder and its
Preparation method.
Background technique
KT plate is that one kind is passed through foaming and generated plate core by polystyrene (Polystyrene, abridge PS) particle, using table
A kind of new material made of the pressing of face overlay film, plate body is well-pressed, it is slim and graceful, be unlikely to deteriorate, be easy to process, directly can onboard carry out
The operations such as printing, mounting cover, gum and air brushing, be widely used in advertising display, aircraft model, building decoration, culture and arts and
Packaging material etc..
The production technology of KT plate is divided into cold compound compound with heat, the product that both different process are produced, referred to as
Cold plate and hot plate.
Cold compound technique is foamed with PS particle first, after foaming twice, is made 5 millimeters of thickness or so
PS plate core.Then automatic double surface gluer is used, on the surface of PVC film, one layer of polyurethane binder of even spread, then will be after gluing
PVC film fits together with plate core, is transferred to pressurization sizing a period of time under press.
Existing KT plate cold plate there is a problem of one it is common, be easy blistering.Especially outdoors use when, direct sunlight
Or under the conditions of long-distance transport, bubbling area be will increase dramatically, and then influence the normal use of cold plate.
The cause for causing cold plate to be easy blistering is known as very much, remaining foaming agent, PVC film in the flatness of PS plate core, plate core
Thickness and the quality of polyurethane binder etc..Influence of the quality of polyurethane binder to blistering is maximum among these.
Traditional KT plate is usually higher with polyurethane binder viscosity, in production process for coating uniformly, reduce cost
Needs, need to be added a large amount of solvent and be diluted, to reduce the viscosity of polyurethane binder, so that coating thickness and gluing
Amount reduces.The additive amount of solvent accounts for the 30%~60% of polyurethane binder, this will lead to partial solvent and remains in glue-line,
It is difficult to escape, and plate core may be corroded, tiny cavity blemish is generated in solar absorber surface, increase the risk of blistering.
Polystyrene (Polystyrene, abridge PS) belongs to nonpolar molecule structure, and polyurethane binder belongs to highly polar
Molecular structure, traditional polyurethane binder is non-modified, insufficient to the affinity of PS plate core, and adhesive force is also relatively low.Work as cold plate
Under the conditions of open air, high temperature, direct sunlight or long-distance transport, remaining solvent can be poly- in solar absorber surface fault location in glue-line
Collect and expand, when the tension of expansion is greater than adhesive force of the glue-line to PS plate core, PVC film is removed to form gas from PS solar absorber surface
Bubble.Minute bubbles constantly generate, expand, assemble, and form air pocket, and expand bubbling area, eventually lead to cold plate and lose using valence
Value.
In conclusion traditional polyurethane binder is because viscosity is larger, when use, needs to add a large amount of solvents, is easy to cause
Solvent remains in glue-line.Conventional urethane adhesive is non-modified relatively low to the adhesive force of PS plate core, cannot effectively inhibit
The generation of bubble.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of advertisement KT plate polyurethane stickings
Agent and preparation method thereof.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of advertisement KT plate polyurethane binder, wound
New point is, comprises the following raw materials by weight percent: polyether polyol 42.4%-53.7%, polyester polyol 0%-
5%, aromatic diol 1.0%-5.5%, polyisocyanates 18.2%-31.6%, plasticizer 5%-14%, solvent 0%-9%,
Silane coupling agent 0.3%-1.2%.
Further, the polyether polyol is polyoxypropyleneglycol, the molecular weight 1000- of molecular weight 2000-3000
3000 polypropylene oxide triol, the propyleneoxide-ethyleneoxide copolyether glycol of molecular weight 1000-2000 and molecular weight
One or more of propyleneoxide-ethyleneoxide copolyether triol of 4500-6500.
Further, the polyester polyol be molecular weight 1000-2000, degree of functionality be 2 polyethylene glycol adipate,
One or more of polyadipate diethylene glycol (DEG) ester, polyneopentyl glycol adipate.
Further, the aromatic diol is hydroquinone two hydroxy ethyl ether, resorcinol dihydroxyethyl ether, isophthalic two
One in phenol bis-hydroxypropyl ether, resorcinol bis-hydroxypropyl ethylether, bisphenol-A dihydroxyethyl ether and bisphenol-A dihydroxypropyl ether
Kind is several.
Further, the polyisocyanates is toluene di-isocyanate(TDI) TDI-65, toluene di-isocyanate(TDI) TDI-80, first
Phenylene diisocyanate TDI-100, methyl diphenylene diisocyanate MDI-50, methyl diphenylene diisocyanate MDI-100, gather
Close one or more of MDI.
Further, the plasticizer is in chloro fat acid esters, benzoic acid binaryglycol ester or long-chain chlorinated paraffin
It is one or more of.
Further, the solvent is acetone, ethyl acetate, methylene chloride, propylene glycol methyl ether acetate and acetic acid fourth
One or more of ester.
Further, the silane coupling agent be gamma-aminopropyl-triethoxy-silane, anilinomethyl triethoxysilane,
One or more of aniline propyl-triethoxysilicane and γ-glycidyl ether oxygen propyl trimethoxy silicane.
A kind of preparation method of advertisement KT plate polyurethane binder, innovative point is, includes the following steps:
(1) polyether polyol, polyester polyol, aromatic diol are put into reaction kettle, and is heated to 50 DEG C -70 first
DEG C, polyisocyanates is added, and be heated to 70 DEG C -90 DEG C, reacted 3-6 hours；
(2) after the reaction was completed, 40 DEG C -60 DEG C are cooled to, plasticizer, solvent is added, the reaction was continued 0.5-1.5 hours；
(3) it is eventually adding silane coupling agent, after the reaction was continued 2-4 hours, can be obtained advertisement KT plate polyurethane sticking
Agent.
The invention has the following beneficial effects:
1, aromatic diol used in the present invention contains symmetrical benzene ring structure, similar to the structure of polystyrene, thus
The affinity and adhesive force to PS plate core are increased, the adhesion strength to PS plate core of polyurethane binder is improved.
2, the present invention is modified polyurethane system using silane coupling agent, and silane coupling agent is in molecule there are two types of tools
The organic silicon monomer of the above differential responses group, water-disintegrable functional group therein can with the moisture of PS solar absorber surface and hydroxyl into
Row combines, and organo-functional group therein can occur chemical reaction with polyurethane binder and be combined, and dramatically increases polyurethane
Adhesion strength of the adhesive to PS plate core.
3, the present invention uses plasticizer substitution solvent as diluent, while polyurethane binder viscosity is effectively reduced,
Accomplish not add or added solvent less, the residual of glue-line internal solvent is greatly decreased, has reduced the risk of KT plate cold plate blistering.
Specific embodiment
The present invention is further illustrated for following example.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are only to explain the present invention, not
For limiting the present invention.
Embodiment 1
A kind of preparation method of advertisement KT plate polyurethane binder, includes the following steps:
(1) molecular weight 2000 of the polyoxypropyleneglycol of 50.9% molecular weight 2000,2.8% is gathered oneself two first
In sour neopentyl glycol ester, 2.8% bisphenol-A dihydroxyethyl ether investment reaction kettle, and 50 DEG C -70 DEG C are heated to, add 23.8%
Methyl diphenylene diisocyanate MDI-100, and 70 DEG C -90 DEG C are heated to, it reacts 3-6 hours；
(2) after the reaction was completed, 40 DEG C -60 DEG C are then cooled to, 10% benzoic acid binaryglycol ester, 9% dichloromethane is added
Alkane, the reaction was continued 0.5-1.5 hours；
(3) it is eventually adding 0.7% anilinomethyl triethoxysilane, after the reaction was continued 2-4 hours, can be obtained advertisement KT
Plate polyurethane binder.
Embodiment 2
A kind of preparation method of advertisement KT plate polyurethane binder, includes the following steps:
(1) first by the polyoxypropyleneglycol of 31.6% molecular weight 2000, the epoxy of 18.7% molecular weight 2000
Oxide-ethylene oxide copolyether glycol, the polyadipate diethylene glycol (DEG) ester of 4.3% molecular weight 2000,2.2% bisphenol-A dihydroxy second
Base ether is put into reaction kettle, and is heated to 50 DEG C -70 DEG C, adds 5.7% toluene di-isocyanate(TDI) TDI-80 and 21.0% 2
Methylenebis phenyl isocyanate MDI-50, and 70 DEG C -90 DEG C are heated to, it reacts 3-6 hours；
(2) after the reaction was completed, 40 DEG C -60 DEG C are then cooled to, 11.2% chloro fat acid esters, 4.8% acetone is added, after
Continuous reaction 0.5-1.5 hours；
(3) it is eventually adding 0.5% γ-glycidyl ether oxygen propyl trimethoxy silicane, after the reaction was continued 2-4 hours, i.e.,
It can get advertisement KT plate polyurethane binder.
Embodiment 3
A kind of preparation method of advertisement KT plate polyurethane binder, includes the following steps:
(1) first by the polyoxypropyleneglycol of 40.8% molecular weight 3000, the epoxy third of 6.0% molecular weight 5000
The double hydroxypropyls of alkane-ethylene oxide copolyether glycol, the polyethylene glycol adipate of 4.8% molecular weight 1000,3.4% resorcinol
Benzyl ethyl ether is put into reaction kettle, and is heated to 50 DEG C -70 DEG C, add 3.0% toluene di-isocyanate(TDI) TDI-100 and
27.2% methyl diphenylene diisocyanate MDI-100, and 70 DEG C -90 DEG C are heated to, it reacts 3-6 hours；
(2) after the reaction was completed, it is then cooled to 40 DEG C -60 DEG C, 13.8% long-chain chlorinated paraffin is added, the reaction was continued 0.5-
1.5 hour；
(3) it is eventually adding 1.0% γ-glycidyl ether oxygen propyl trimethoxy silicane, after the reaction was continued 2-4 hours, i.e.,
It can get advertisement KT plate polyurethane binder.
Embodiment 4
A kind of preparation method of advertisement KT plate polyurethane binder, includes the following steps:
(1) first by the polypropylene oxide triol of 5.5% molecular weight 1000, the epoxy third of 43.6% molecular weight 2000
In alkane-ethylene oxide copolyether glycol, 4.0% bisphenol-A dihydroxypropyl ether investment reaction kettle, and 50 DEG C -70 DEG C are heated to, then plus
Enter 8.5% toluene di-isocyanate(TDI) TDI-65 and 22.0% methyl diphenylene diisocyanate MDI-100, and be heated to 70 DEG C-
It 90 DEG C, reacts 3-6 hours；
(2) after the reaction was completed, 40 DEG C -60 DEG C are then cooled to, 8.7% chloro fat acid esters, 5.0% methylene chloride is added
With 2.5% ethyl acetate, the reaction was continued 0.5-1.5 hours；
(3) it is eventually adding 0.2% gamma-aminopropyl-triethoxy-silane, after the reaction was continued 2-4 hours, can be obtained advertisement
KT plate polyurethane binder.
Table one is the performance comparison table of above-described embodiment and commercially available conventional urethane adhesive:
Table one
As can be seen from Table I, polyurethane binder prepared by the present invention is not only better than traditional polyurethane in appearance
Adhesive, and traditional polyurethane binder is superior in each performance, the present invention can dramatically increase polyurethane binder
To the adhesion strength of PS plate core, the risk of KT plate cold plate blistering is reduced.
The above is only used to illustrate the technical scheme of the present invention and not to limit it, and those of ordinary skill in the art are to this hair
The other modifications or equivalent replacement that bright technical solution is made, as long as it does not depart from the spirit and scope of the technical scheme of the present invention,
It is intended to be within the scope of the claims of the invention.
Claims (9)
1. a kind of advertisement KT plate polyurethane binder, which is characterized in that comprise the following raw materials by weight percent: polyethers is more
First alcohol 42.4%-53.7%, polyester polyol 0%-5%, aromatic diol 1.0%-5.5%, polyisocyanates 18.2%-
31.6%, plasticizer 5%-14%, solvent 0%-9%, silane coupling agent 0.3%-1.2%.
2. a kind of advertisement KT plate polyurethane binder according to claim 1, it is characterised in that: the polyether polyol
For the polyoxypropyleneglycol of molecular weight 2000-3000, the polypropylene oxide triol of molecular weight 1000-3000, molecular weight 1000-
2000 propyleneoxide-ethyleneoxide copolyether glycol and the propyleneoxide-ethyleneoxide copolyether of molecular weight 4500-6500
One or more of triol.
3. a kind of advertisement KT plate polyurethane binder according to claim 1, it is characterised in that: the polyester polyol
For molecular weight 1000-2000, polyethylene glycol adipate, polyadipate diethylene glycol (DEG) ester, polyadipate new penta two of the degree of functionality for 2
One or more of alcohol ester.
4. a kind of advertisement KT plate polyurethane binder according to claim 1, it is characterised in that: the aromatic diol
For hydroquinone two hydroxy ethyl ether, resorcinol dihydroxyethyl ether, resorcinol bis-hydroxypropyl ether, resorcinol bis-hydroxypropyl second
One or more of base ether, bisphenol-A dihydroxyethyl ether and bisphenol-A dihydroxypropyl ether.
5. a kind of advertisement KT plate polyurethane binder according to claim 1, it is characterised in that: the polyisocyanates
For toluene di-isocyanate(TDI) TDI-65, toluene di-isocyanate(TDI) TDI-80, toluene di-isocyanate(TDI) TDI-100, diphenyl methane
One or more of diisocyanate MDI-50, methyl diphenylene diisocyanate MDI-100, polymeric MDI.
6. a kind of advertisement KT plate polyurethane binder according to claim 1, it is characterised in that: the plasticizer is chlorine
One or more of fat subsitutes acid esters, benzoic acid binaryglycol ester or long-chain chlorinated paraffin.
7. a kind of advertisement KT plate polyurethane binder according to claim 1, it is characterised in that: the solvent is third
One or more of ketone, ethyl acetate, methylene chloride, propylene glycol methyl ether acetate and butyl acetate.
8. a kind of advertisement KT plate polyurethane binder according to claim 1, it is characterised in that: the silane coupling agent
For gamma-aminopropyl-triethoxy-silane, anilinomethyl triethoxysilane, aniline propyl-triethoxysilicane and γ-shrink
One or more of glycerol ether oxygen propyl trimethoxy silicane.
9. a kind of preparation method of advertisement KT plate polyurethane binder according to any one of claims 1 to 8, special
Sign is, includes the following steps:
(1) polyether polyol, polyester polyol, aromatic diol are put into reaction kettle, and are heated to 50 DEG C -70 DEG C first,
Polyisocyanates is added, and is heated to 70 DEG C -90 DEG C, is reacted 3-6 hours；
(2) after the reaction was completed, 40 DEG C -60 DEG C are cooled to, plasticizer, solvent is added, the reaction was continued 0.5-1.5 hours；
(3) it is eventually adding silane coupling agent, after the reaction was continued 2-4 hours, can be obtained advertisement KT plate polyurethane binder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712763.1A CN110343500A (en) | 2019-08-02 | 2019-08-02 | A kind of advertisement KT plate polyurethane binder and preparation method thereof |
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| CN201910712763.1A CN110343500A (en) | 2019-08-02 | 2019-08-02 | A kind of advertisement KT plate polyurethane binder and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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