CN103254864B - Aqueous adhesive used for aircraft seats and preparation method thereof - Google Patents
Aqueous adhesive used for aircraft seats and preparation method thereof Download PDFInfo
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- CN103254864B CN103254864B CN201210034699.4A CN201210034699A CN103254864B CN 103254864 B CN103254864 B CN 103254864B CN 201210034699 A CN201210034699 A CN 201210034699A CN 103254864 B CN103254864 B CN 103254864B
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Abstract
An aqueous adhesive used for aircraft seats comprises the following components by mass percent: 10-30 % of hydrophilic polyurethane dispersion, 10-20 % of low-viscosity polyurethane prepolymer, 40-70 % of water, 0.1-10 % of an emulsifier, 0.1-10 % of a chain extender, 0.1-5 % of antioxidant, 0.1-10 % of a thickening agent and 0.1-10 % of a levelling agent. The invention discloses the aqueous adhesive used for the aircraft seats and a preparation method thereof. The aqueous adhesive is free of organic solvents, thereby preventing using harm of the organic solvents, and being beneficial for controlling poisonous and harmful substances and VOC of final products. The hydrophilic polyurethane dispersion is good in mechanical properties, and has a tensile strength close to or higher than that of similar materials. The aqueous adhesive does not contain benzene, toluene, xylene, formaldehyde and other poisonous and harmful substances, is environmental friendly, and can meet requirements of low VOC when applied for assembly of aircraft interior materials, as well as requirements of national standard, European standard and American standard for products.
Description
Technical field
The present invention relates to a kind of sizing agent, be specifically related to a kind of aircraft seat use sizing agent and preparation method thereof.
Background technology
The composition of traditional Aqueous Adhesives that aircraft seat uses is generally: the performed polymer of polyester or polyether glycol and isocyanate reaction formation, then adds organic solvent, emulsifying agent to be distributed to and in water, form polyaminoester emulsion.
But owing to having used a large amount of organic solvents in this Aqueous Adhesives, organic solvent, to human body poisonous and harmful, causes serious hazardness to human body, and its total volatile organism content (VOC) is higher, and common product is at 10-100g/L.And when it removes consumption energy consumption, the corresponding higher and inefficiency of cost of manufacture.
Therefore, for addressing the above problem, a kind of environment-friendly type and cost of manufacture are lower, and the Aqueous Adhesives that efficiency is higher urgently occurs.
Summary of the invention
For solving a large amount of poisonous organic solvents of existence in traditional Aqueous Adhesives, HUMAN HEALTH is caused to serious harm, and the problems such as its manufacturing cost is higher, efficiency is lower, the invention discloses a kind of aircraft seat use sizing agent and preparation method thereof, to reach the volatile organic content that reduces Aqueous Adhesives, increase work efficiency, reduce the object of manufacturing cost.
For achieving the above object, technical scheme of the present invention is as follows:
An aircraft seat use sizing agent, described Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 10%-30%, low-viscosity polyurethane performed polymer 10%-20%, water 40%-70%, emulsifying agent 0.1%-10%, chainextender 0.1%-10%, anti-aging agent 0.1%-5%, thickening material 0.1%-10%, flow agent 0.1%-10%.
Preferably, described Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 14%-26%, low-viscosity polyurethane performed polymer 12%-18%, water 45%-65%, emulsifying agent 2%-8%, chainextender 2%-8%, anti-aging agent 1%-4%, thickening material 2%-7%, flow agent 3%-8%.
Preferably, described Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 17%-22%, low-viscosity polyurethane performed polymer 14%-16%, water 50%-60%, emulsifying agent 3%-7%, chainextender 4%-6%, anti-aging agent 2%-3%, thickening material 3%-6%, flow agent 4%-6%.
Preferably, described Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 20%, low-viscosity polyurethane performed polymer 15%, water 55%, emulsifying agent 1%, chainextender 3%, anti-aging agent 2.5%, thickening material 2.5%, flow agent 1%.
Preferably, it is one or more in Hydrophilicrto polyether polyvalent alcohol, hydrophilic polyester and water dispersible isocyanic ester that described hydrophilic polyurethane dispersibles body, or is formed by multiple combination wherein.
Preferably, described low-viscosity polyurethane performed polymer comprises the component of following mass percent: polyether glycol 10%-30%, chainextender 2%-10%, isocyanic ester 40%-60%.
A preparation method for Aqueous Adhesives, concrete steps are as follows:
The first step: according to the synthetic low-viscosity polyurethane performed polymer of proportioning;
Second step: low-viscosity polyurethane performed polymer and Hydrophilicrto polyether polyol reaction generate hydrophilic polyurethane and dispersible body;
The 3rd step: hydrophilic polyurethane dispersibles body and is progressively added to the water, and add flow agent, thickening material, emulsifying agent, anti-aging agent, chainextender according to corresponding proportioning simultaneously, be uniformly dispersed and can obtain Aqueous Adhesives.
The invention discloses a kind of aircraft seat use sizing agent and preparation method thereof, the participation of organic solvent-free in this Aqueous Adhesives, thereby avoided the use harm of organic solvent, this is being favourable to the finished product aspect control hazardous and noxious substances and VOC control; And hydrophilic polyurethane dispersibles body and has good mechanical property, tensile strength approaches or higher than same type of material, and in this Aqueous Adhesives, do not contain the hazardous and noxious substances such as benzene,toluene,xylene, formaldehyde, belong to environmentally friendly product, the assembling that is applied to aircraft interior material can meet low VOC requirement, and can meet the requirement to product such as GB, Europe superscript and American Standard.
Embodiment
Below the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The invention discloses a kind of aircraft seat use sizing agent and preparation method thereof, to reach the volatile organic content that reduces Aqueous Adhesives, increase work efficiency, reduce the object of manufacturing cost.
Embodiment 1
An aircraft seat use sizing agent, this Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 10%, low-viscosity polyurethane performed polymer 10%, water 70%.This Aqueous Adhesives also comprises the component that mass percent is following: emulsifying agent 0.1%, chainextender 0.1%, anti-aging agent 0.1%, thickening material 0.1%, flow agent 9.6%.
Hydrophilic polyurethane dispersibles body and comprises: Hydrophilicrto polyether polyvalent alcohol, hydrophilic polyester and water dispersible isocyanic ester; Wherein the hydrophilic polyurethane of indication dispersibles body and refers to wherein one or more, or the product of several combinations wherein.They are at institute's outstanding feature: in structure, containing hydrophilic radical, can be one or more or the salt wherein wherein such as carboxylic acid group, sulfonic group, sulfate, phosphate; Also can be amino, season is amino etc. or the form of its salt; Also can be one or more of the oxy radical ether, hydroxyl and carboxylicesters, the block polyether etc. that form.Hydrophilic polyurethane dispersibles body and can well be dissolved in the water, as the good distribution phase of colloid, not only water-soluble but also have good consistency with polymkeric substance, this just makes the stability of colloid obtain guarantee to a certain extent, meanwhile, avoided using the harm of solvent to environment.The advantage point of hydrophilic polyurethane is also: he simultaneously can provide the solid content of colloid, the mechanical property of product, has good mechanical property, and tensile strength approaches or higher than same type of material.A part that itself can be used as again polyurethane system participates in the chemical reaction of urethane, so can improve again the mechanical property of the finished product.Meanwhile, due to reliable wetting ability and good dispersive ability, the consumption that can effectively reduce emulsifying agent does not even add emulsifying agent.Effectively controlled quality product, the impact of small-molecule substance migration aspect while having avoided the product later stage to use.This,, for the high request aspect of field to low VOC or VOC free such as automobile, space flight, medical treatment, is a kind of favourable approach.
A preparation method for Aqueous Adhesives, concrete steps are as follows:
The first step: according to the synthetic low-viscosity polyurethane performed polymer of corresponding proportioning;
Second step: low-viscosity polyurethane performed polymer and Hydrophilicrto polyether polyol reaction generate hydrophilic polyurethane and dispersible body;
The 3rd step: hydrophilic polyurethane dispersibles body and is progressively added to the water, and according to proportioning, add flow agent, thickening material, emulsifying agent, anti-aging agent, chainextender simultaneously and be uniformly dispersed and can obtain Aqueous Adhesives.
Low-viscosity polyurethane performed polymer comprises the component of following mass percent: polyether glycol 10%-30%, chainextender 2%-10%, isocyanic ester 40%-60%.
Molecular theory Design Mode; Urethane claims again polyurethane(s), is the macromolecular compound of contain in molecular structure-NHCOO-unit, and this unit is formed by isocyanato and hydroxyl reaction, and reaction formula is as follows :-N=C=O+HO-→-NH-COO-; Utilize isocyanic ester to react with the compound that contains reactive hydrogen to design arbitrarily and arrange combination molecule structure.The arrangement mode that we take is based on isocyanic ester and the compound that contains reactive hydrogen.
In polyurethane system, introduce hydrophilic radical: by molecular designing theory, we introduce polyurethane system by hydrophilic radical, make the material of preparation possessing on conventional urethane high strength, good cohesiveness basis, increased its wettability, emulsifying property, water dispersible performance.Introduce the method for hydrophilic radical: by Hydrophilicrto polyether polyvalent alcohol, hydrophilic polyester and dispersible isocyanic ester, they can carry out the arrangement of molecular model by the chemical reaction (N=C=O+HO-→-NH-COO-) of urethane.And the Hydrophilicrto polyether polyvalent alcohol of our indication, hydrophilic polyester and dispersible isocyanic ester, they all possess hydrophilic radical, and they possess the chemical reaction that reactable group can participate in urethane simultaneously.
Prepare dispersible urethane wetting ability system: by molecular theory, design, hydrophilic radical is introduced and can be participated in the starting material of polyurethane reaction system, it can be isocyanate component, also can be polyvalent alcohol system, what we adopted is chainpropagation or the coach's process of hydrophilic radical being introduced to polyethers system and participating in urethane, thereby utilize polyurethane chemistry reaction successfully hydrophilic radical to be introduced to polyurethane system, prepared dispersible urethane wetting ability system.
The participation of organic solvent-free in system preparation process.Because the molecular theory pattern adopting, growth and the spatial arrangement of molecular chain have been controlled, better controlled the stability of system, thereby prepared workable performed polymer, performed polymer viscosity controller is in 10000mPa.S left and right, thereby and easily disperseing to have avoided the use of organic solvent, this is being favourable to the finished product controlling aspect hazardous and noxious substances and VOC control.
Embodiment 2
All the other are identical with embodiment 1, and difference is, a kind of aircraft seat use sizing agent, and this Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 10%, low-viscosity polyurethane performed polymer 20%, water 40%.This Aqueous Adhesives also comprises the component that mass percent is following: emulsifying agent 10%, chainextender 10%, anti-aging agent 0.1%, thickening material 9.8%, flow agent 0.1%.
Embodiment 3
All the other are identical with embodiment 1, and difference is, a kind of aircraft seat use sizing agent, and this Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 10%, low-viscosity polyurethane performed polymer 10%, water 40%.This Aqueous Adhesives also comprises the component that mass percent is following: emulsifying agent 10%, chainextender 5%, anti-aging agent 5%, thickening material 10%, flow agent 10%.
Embodiment 4
All the other are identical with embodiment 1, and difference is, a kind of aircraft seat use sizing agent, and this Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 30%, low-viscosity polyurethane performed polymer 20%, water 40%.This Aqueous Adhesives also comprises the component that mass percent is following: emulsifying agent 2%, chainextender 2%, anti-aging agent 2%, thickening material 2%, flow agent 2%.
Embodiment 5
All the other are identical with embodiment 1, and difference is, a kind of aircraft seat use sizing agent, and this Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 14%, low-viscosity polyurethane performed polymer 12%, water 45%.This Aqueous Adhesives also comprises the component that mass percent is following: emulsifying agent 2%, chainextender 8%, anti-aging agent 4%, thickening material 7%, flow agent 8%.
Embodiment 6
All the other are identical with embodiment 1, and difference is, a kind of aircraft seat use sizing agent, and this Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 14%, low-viscosity polyurethane performed polymer 12%, water 65%.This Aqueous Adhesives also comprises the component that mass percent is following: emulsifying agent 2%, chainextender 2%, anti-aging agent 1%, thickening material 1%, flow agent 3%.
Embodiment 7
All the other are identical with embodiment 1, and difference is, a kind of aircraft seat use sizing agent, and this Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 26%, low-viscosity polyurethane performed polymer 18%, water 45%.This Aqueous Adhesives also comprises the component that mass percent is following: emulsifying agent 8%, chainextender 1%, anti-aging agent 1%, thickening material 0.5%, flow agent 0.5%.
Embodiment 8
All the other are identical with embodiment 1, and difference is, a kind of aircraft seat use sizing agent, and this Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 17%, low-viscosity polyurethane performed polymer 14%, water 50%.This Aqueous Adhesives also comprises the component that mass percent is following: emulsifying agent 3%, chainextender 6%, anti-aging agent 3%, thickening material 3%, flow agent 4%.
Embodiment 9
All the other are identical with embodiment 1, and difference is, a kind of aircraft seat use sizing agent, and this Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 22%, low-viscosity polyurethane performed polymer 14%, water 50%.This Aqueous Adhesives also comprises the component that mass percent is following: emulsifying agent 7%, chainextender 4%, anti-aging agent 2%, thickening material 0.5%, flow agent 0.5%.
Embodiment 10
All the other are identical with embodiment 1, and difference is, a kind of aircraft seat use sizing agent, and this Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 17%, low-viscosity polyurethane performed polymer 16%, water 50%.This Aqueous Adhesives also comprises the component that mass percent is following: emulsifying agent 2%, chainextender 2%, anti-aging agent 1%, thickening material 6%, flow agent 6%.
Embodiment 11
All the other are identical with embodiment 1, and difference is, a kind of aircraft seat use sizing agent, and this Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 17%, low-viscosity polyurethane performed polymer 14%, water 60%.This Aqueous Adhesives also comprises the component that mass percent is following: emulsifying agent 2%, chainextender 2%, anti-aging agent 1%, thickening material 2%, flow agent 2%.
Embodiment 12
All the other are identical with embodiment 1, and difference is, a kind of aircraft seat use sizing agent, and this Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 20%, low-viscosity polyurethane performed polymer 15%, water 55%.This Aqueous Adhesives also comprises the component that mass percent is following: emulsifying agent 1%, chainextender 3%, anti-aging agent 2.5%, thickening material 2.5%, flow agent 1%.
This embodiment is optimum proportioning mode, by adopting the participation of organic solvent-free in the Aqueous Adhesives that this embodiment obtains, thereby avoided the use harm of organic solvent, this is being favourable to the finished product aspect control hazardous and noxious substances and VOC control; And hydrophilic polyurethane dispersibles body and have good mechanical property, tensile strength approaches or higher than same type of material.
In addition to the implementation, the composition of Aqueous Adhesives can also be any number in following mass percent (hydrophilic polyurethane dispersibles body 10%-30%, low-viscosity polyurethane performed polymer 10%-20%, water 40%-70%, emulsifying agent 0.1%-10%, chainextender 0.1%-10%, anti-aging agent 0.1%-5%, thickening material 0.1%-10%, flow agent 0.1%-10%), and concrete proportioning mode does not limit.
The invention discloses a kind of aircraft seat use sizing agent and preparation method thereof, the participation of organic solvent-free in this Aqueous Adhesives, thereby avoided the use harm of organic solvent, this is being favourable to the finished product aspect control hazardous and noxious substances and VOC control; And hydrophilic polyurethane dispersibles body and has good mechanical property, tensile strength approaches or higher than same type of material, and in this Aqueous Adhesives, do not contain the hazardous and noxious substances such as benzene,toluene,xylene, formaldehyde, belong to environmentally friendly product, the assembling that is applied to aircraft interior material can meet low VOC requirement, and can meet the requirement to product such as GB, Europe superscript and American Standard.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. an aircraft seat use sizing agent, it is characterized in that, described Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 10%-30%, low-viscosity polyurethane performed polymer 10%-20%, water 40%-70%, emulsifying agent 0.1%-10%, chainextender 0.1%-10%, anti-aging agent 0.1%-5%, thickening material 0.1%-10%, flow agent 0.1%-10%;
It is one or more in Hydrophilicrto polyether polyvalent alcohol, hydrophilic polyester and water dispersible isocyanic ester that described hydrophilic polyurethane dispersibles body, or is formed by multiple combination wherein;
Described low-viscosity polyurethane performed polymer comprises the component of following mass percent: polyether glycol 10%-30%, chainextender 2%-10%, isocyanic ester 40%-60%.
2. aircraft seat use sizing agent according to claim 1, it is characterized in that, described Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 14%-26%, low-viscosity polyurethane performed polymer 12%-18%, water 45%-65%, emulsifying agent 2%-8%, chainextender 2%-8%, anti-aging agent 1%-4%, thickening material 2%-7%, flow agent 3%-8%.
3. aircraft seat use sizing agent according to claim 2, it is characterized in that, described Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 17%-22%, low-viscosity polyurethane performed polymer 14%-16%, water 50%-60%, emulsifying agent 3%-7%, chainextender 4%-6%, anti-aging agent 2%-3%, thickening material 3%-6%, flow agent 4%-6%.
4. aircraft seat use sizing agent according to claim 1, it is characterized in that, described Aqueous Adhesives comprises the component of following mass percent: hydrophilic polyurethane dispersibles body 20%, low-viscosity polyurethane performed polymer 15%, water 55%, emulsifying agent 1%, chainextender 3%, anti-aging agent 2.5%, thickening material 2.5%, flow agent 1%.
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| CN201210034699.4A CN103254864B (en) | 2012-02-16 | 2012-02-16 | Aqueous adhesive used for aircraft seats and preparation method thereof |
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| CN201210034699.4A CN103254864B (en) | 2012-02-16 | 2012-02-16 | Aqueous adhesive used for aircraft seats and preparation method thereof |
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| CN103254864A CN103254864A (en) | 2013-08-21 |
| CN103254864B true CN103254864B (en) | 2014-12-03 |
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| WO2008077118A2 (en) * | 2006-12-19 | 2008-06-26 | Dow Global Technologies Inc. | An ultra-high solid content polyurethane dispersion and a continuous process for producing ultra-high solid content polyurethane dispersions |
| CN101182405B (en) * | 2007-12-13 | 2011-09-14 | 华南理工大学 | Preparation method of dual-component aqueous polyurethane adhesive agent |
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