CN110205078A - A kind of Aqueous Adhesives and preparation method thereof - Google Patents
A kind of Aqueous Adhesives and preparation method thereof Download PDFInfo
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- CN110205078A CN110205078A CN201910374161.XA CN201910374161A CN110205078A CN 110205078 A CN110205078 A CN 110205078A CN 201910374161 A CN201910374161 A CN 201910374161A CN 110205078 A CN110205078 A CN 110205078A
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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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- 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
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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
- C08G18/4829—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
- C08G18/65—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
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6677—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
-
- 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)
- Polyurethanes Or Polyureas (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention belongs to Aqueous Adhesives fields, and in particular to a kind of Aqueous Adhesives and preparation method thereof.The invention discloses a kind of Aqueous Adhesives, by weight, including 80~100 parts of aqueous polyurethane emulsion, 0.2~5 part of thickener, 0.01~0.2 part of levelling agent, 0.01~0.1 part of antioxidant, 2~5 parts of curing agent；Wherein, the aqueous polyurethane emulsion includes polyisocyanates, polyalcohol, chain extender, catalyst, sulfoacid compound, water.
Description
Technical field
The invention belongs to Aqueous Adhesives fields, and in particular to a kind of Aqueous Adhesives and preparation method thereof.
Background technique
Solvent borne polyurethane adhesive refers to that polyurethane is dissolved in organic solvent or is scattered in the gluing formed in organic solvent
Agent has many advantages, such as that elasticity is good, low temperature resistant, wear resistence is excellent.But contain benzene, toluene, two in solvent borne polyurethane adhesive
The poisonous and harmful substances such as toluene not only pollute environment, but also can be detrimental to health.
Aqueous polyurethane has pollution-free, good mechanical performance, safe and reliable, easily modified, good biocompatibility etc. excellent
Point.Solvent type polyurethane resin is gradually replaced by the polyurethane of Water-borne modification, and aqueous polyurethane becomes polyurethane industrial development
Important directions.Aqueous Polyurethane Adhesives refer to polyurethane is dissolved in water or be dispersed in water and the adhesive that is formed, such glue
Glutinous agent has several advantages that (1) using water as decentralized medium, and nontoxic non-ignitable, nuisanceless, no danger, smell is small, does not pollute ring
The energy is saved in border；(2) viscosity is lower, can be adjusted with water-soluble thickener and water, easy to operate, and residue glue can be clear with water
Reason.Organic solvent can be by being evaporated under reduced pressure back in process of production for the aqueous polyurethane of adhesion component as such adhesive
It receives and utilizes, reduce using and volatilizing for organic solvent, construction safety is easy to operate.
However, the performance of Aqueous Polyurethane Adhesives still has a certain distance compared with solvent borne polyurethane adhesive, by
The presence of hydrophilic radical in aqueous polyurethane molecular backbone structure, result in Aqueous Polyurethane Adhesives water resistance,
The defects of tack and solvent-resisting are poor, and the solid content of Aqueous Polyurethane Adhesives is low, activation temperature is high.
Summary of the invention
In order to solve the above-mentioned technical problem, the first aspect of the invention provides a kind of Aqueous Adhesives, by weight
Meter, including 80~100 parts of aqueous polyurethane emulsion, 0.2~5 part of thickener, 0.01~0.2 part of levelling agent, antioxidant 0.01~
0.1 part, 2~5 parts of curing agent；
Wherein, the aqueous polyurethane emulsion includes polyisocyanates, polyalcohol, chain extender, catalyst, sulfonic acid chemical combination
Object, water.
As a kind of perferred technical scheme, the polyalcohol is selected from polyoxypropyleneglycol, polypropylene oxide triol, gathers
At least one of ethylene oxide glycol, polybutadiene diol, polytetrahydrofuran diol.
As a kind of perferred technical scheme, the polypropylene oxide that the polyalcohol is (60~80) % by mass percent
The polypropylene oxide triol of two pure and mild (20~40) % forms.
As a kind of perferred technical scheme, the polyisocyanates be selected from diphenyl methane -4,4'- diisocyanate,
Paraphenylene diisocyanate, two group diisocyanate of 1,3- benzene, toluene di-isocyanate(TDI), trimethyl hexamethylene diisocyanate,
Naphthalene diisocyanate, 1,3- bis- (isocyanatometyl) benzene, isophorone diisocyanate, 4,4- diisocyanate dicyclohexyl
Methane, Toluene-2,4-diisocyanate, at least one of 4- diisocyanate.
As a kind of perferred technical scheme, the polyisocyanates is by trimethyl hexamethylene diisocyanate and different Buddhist
You form ketone diisocyanate.
As a kind of perferred technical scheme, the polyisocyanates is (10~40) % trimethyl six by mass percent
The isophorone diisocyanate of methylene diisocyanate and (60~90) % form.
As a kind of perferred technical scheme, the chain extender is selected from 1,4-butanediol, 1,6- hexylene glycol, trihydroxy methyl third
At least one of alkane, glycerol, sorbierite, ethylene glycol.
As a kind of perferred technical scheme, the sulfoacid compound is hydroxyl sulfoacid compound.
As a kind of perferred technical scheme, the sulfoacid compound is selected from 2,3- dihydroxypropane sulfonic acid, 1,5- dihydroxy
Base pentane -1,5- disulfonate, 6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane -1- sulfonic acid, 1,4- dihydroxy -2-
At least one of sodium butane sulfonate.
The second aspect of the present invention provides the preparation method of the adhesive, comprising the following steps: by aqueous poly- ammonia
Ester lotion, thickener, levelling agent and antioxidant are added to stirrer for mixing, and revolving speed is 1000~1500rpm, then add
Curing agent stir evenly to get.
The above-mentioned of the application and other features, aspects and advantages are more readily understood with reference to following detailed description.
Specific embodiment
For the purpose of following detailed description, it should be understood that the present invention can be used various substitutions variation and step it is suitable
Sequence, unless specifically stated on the contrary.In addition, being indicated in the case where in addition in any operational instances or otherwise pointing out
Such as all numbers of the amount of ingredient used in description and claims should be understood in all cases by term
" about " it modifies.Therefore, unless indicated to the contrary, the numerical parameter otherwise illustrated in the following description and appended dependent claims is root
The approximation changed according to the expected performance of the invention to be obtained.It is at least not intended to for the applicable of doctrine of equivalents being limited in
In the scope of the claims, each numerical parameter should at least be given up according to the number of the effective digital of report and by the way that application is common
Enter technology to explain.
Although illustrating that broad range of numberical range and parameter of the invention are approximations, listed in specific example
Numerical value is reported as accurately as possible.However, any numerical value inherently includes the standard deviation by finding in its each self-test measurement
The certain errors necessarily led to.
When a numberical range disclosed herein, above range is considered as continuously, and the minimum value including the range and most
Big value and each value between this minimum value and maximum value.Further, when range refers to integer, including the model
Each integer between minimum value and maximum value enclosed.In addition, when providing multiple range Expressive Features or characteristic, Ke Yihe
And the range.In other words, unless otherwise specified, otherwise all ranges disclosed herein are understood to include and are wherein included into
Any and all subrange.For example, should be regarded as including between minimum value 1 and maximum value 10 from the specified range of " 1 to 10 "
Any and all subrange.The Exemplary range of range 1 to 10 include but is not limited to 1 to 6.1,3.5 to 7.8,5.5 to
10 etc..
To solve the above-mentioned problems, the present invention provides a kind of Aqueous Adhesives, by weight, including aqueous polyurethane
80~100 parts of lotion, 0.2~5 part of thickener, 0.01~0.2 part of levelling agent, 0.01~0.1 part of antioxidant, curing agent 2~5
Part；
Wherein, the aqueous polyurethane emulsion includes polyisocyanates, polyalcohol, chain extender, catalyst, sulfonic acid chemical combination
Object, water.
Preferably, a kind of Aqueous Adhesives, by weight, including 90 parts of aqueous polyurethane emulsion, 1 part of thickener, stream
0.1 part of flat agent, 0.05 part of antioxidant, 3 parts of curing agent.
Aqueous polyurethane emulsion
The aqueous polyurethane emulsion includes polyisocyanates, polyalcohol, chain extender, catalyst, sulfoacid compound, water.
By weight, the aqueous polyurethane emulsion include 20~40 parts of polyisocyanates, 70~100 parts of polyalcohol,
0.5~5 part of chain extender, 0.1~0.4 part of catalyst, 1~4 part of sulfoacid compound, 200~400 parts of water.
Preferably, by weight, the aqueous polyurethane emulsion includes 30 parts of polyisocyanates, 80 parts of polyalcohol, expands
2 parts of chain agent, 0.2 part of catalyst, 2 parts of sulfoacid compound, 300 parts of water.
As a preferred embodiment, the polyalcohol is polyether polyol；
As a preferred embodiment, the polyalcohol is selected from polyoxypropyleneglycol, polypropylene oxide triol, gathers
At least one of ethylene oxide glycol, polybutadiene diol, polytetrahydrofuran diol.
Preferably, polyoxypropyleneglycol and (20~40) % that the polyalcohol is (60~80) % by mass percent
Polypropylene oxide triol composition.
It is highly preferred that the polyalcohol is 70% polyoxypropyleneglycol and 30% polyoxygenated third by mass percent
Alkene triol composition.
The polyoxypropyleneglycol purchase is in Nanjing Nanjing petrochemical industry, number-average molecular weight 2000 or so；
The polypropylene oxide triol purchase is in Nanjing Nanjing petrochemical industry, number-average molecular weight 1500 or so；
Applicants have discovered that by the way that polyalcohol, polyoxypropyleneglycol and polypropylene oxide triol and poly- ammonia is added portionwise
The interaction of ester adhesive system solidifies crosslinking points increasing, and while making the crosslink density increase of polyurethane, improves gluing
The peeling force of agent.The possible reason is repeatedly reacting by polyether polyol with isocyanate systems, evenly spaced friendship is formed
Conjuncted system, adhesive molecule segment meet with stresses equalization, to improve the cohesive force of adhesive.
As a preferred embodiment, the polyisocyanates be selected from diphenyl methane -4,4'- diisocyanate,
Paraphenylene diisocyanate, two group diisocyanate of 1,3- benzene, toluene di-isocyanate(TDI), trimethyl hexamethylene diisocyanate,
Naphthalene diisocyanate, 1,3- bis- (isocyanatometyl) benzene, isophorone diisocyanate, 4,4- diisocyanate dicyclohexyl
Methane, Toluene-2,4-diisocyanate, at least one of 4- diisocyanate.
As a preferred embodiment, the polyisocyanates is by trimethyl hexamethylene diisocyanate and different Buddhist
You form ketone diisocyanate.
As a preferred embodiment, the polyisocyanates is (10~40) % trimethyl six by mass percent
The isophorone diisocyanate of methylene diisocyanate and (60~90) % form.
Preferably, the polyisocyanates is 30% hexamethylene diisocyanate and 70% different Buddhist by mass percent
You form ketone diisocyanate.
The chain extender is in 1,4- butanediol, 1,6-HD, trimethylolpropane, glycerol, sorbierite, ethylene glycol
At least one.
As a preferred embodiment, 1, the 6- hexylene glycol that the chain extender is (70~90) % by mass percent
The glycerol of (10~30) % forms.
Preferably, the chain extender is made of mass percent for 80% 1,6- hexylene glycol and 20% glycerol.
Applicants have discovered that the chain extender can not only influence the relationship of polyurethane soft segment and hard section, also to adhesive
Performance have a significant impact.The chain extender keeps strand linear by being reacted with the active group in polyurethane system
Network structure is extended or be cross-linked into, the hardness and mechanical property of adhesive are had an impact；And chain extender is to adhesive
Weatherability also has a great impact.By the way that the chain extender is added, pair of polyurethane system molecule is affected to a certain extent
Title property and regularity, improve the water resistance of adhesive.
The catalyst is selected from tertiary amine catalyst, organic tin catalyst, organic bismuth catalyst.
As a preferred embodiment, the catalyst is dibutyl tin dilaurate.
The sulfoacid compound is hydroxyl sulfoacid compound.
The sulfoacid compound is selected from 2,3- dihydroxypropane sulfonic acid, 1,5- dihydroxy pentane -1,5- disulfonate, 6-
At least one of (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane -1- sulfonic acid, 1,4- dihydroxy -2- sodium butane sulfonate.
Preferably, the 6- (2,4- dichlorophenyl) -2,3 that the sulfoacid compound is (20~40) % by mass percent,
The 2,3- dihydroxypropane sulfonic acid of 4- dihydroxyhexane -1- sulfonic acid and (60~80) % form.
Further, the 6- (2,4- dichlorophenyl) -2,3,4- tri- that the sulfoacid compound is 30% by mass percent
Hydroxyhexane -1- sulfonic acid and 70% 2,3- dihydroxypropane sulfonic acid composition.
No. CAS of 6- (2,4 dichloro benzene the base) -2,3,4- dihydroxyhexane -1- sulfonic acid is 141240-46-2.
The preparation method of the aqueous polyurethane emulsion, comprising the following steps:
S1. polyalcohol is added in flask, adjusting temperature is 70~100 DEG C, and after temperature is stablized, catalyst and more is added
Isocyanates adjusts temperature at 80~100 DEG C, keeps the temperature 1~3 hour；
S2. the chain extender of 60% parts by weight being added in the mixed solution of step S1, time for adding is 10~30min,
The reaction was continued 1~3 hour for heat preservation；
S3. plus the chain extender of remaining 40% parts by weight is into the mixed solution of rapid S2, and time for adding is 10~30min,
The reaction was continued 1~4 hour for heat preservation；
S4. adjust temperature to 50~80 DEG C, be added sulfoacid compound, keep the temperature 30~60min, add water emulsification to get.
As a preferred embodiment, the preparation method of the aqueous polyurethane emulsion, comprising the following steps:
S1. polyalcohol is added in flask, adjusting temperature is 80 DEG C, and after temperature is stablized, catalyst and polyisocyanate cyanogen is added
Acid esters adjusts temperature at 85 DEG C, keeps the temperature 2 hours；
S2. the chain extender of 60% parts by weight is added in the mixed solution of step S1, time for adding 20min, is kept the temperature
The reaction was continued 2 hours；
S3. plus the chain extender of remaining 40% parts by weight is into the mixed solution of rapid S2, time for adding 20min, heat preservation
The reaction was continued 2 hours；
S4. adjust temperature to 70 DEG C, be added sulfoacid compound, keep the temperature 50min, add water emulsification to get.
In the application, is reacted by hydroxyl on sulfoacid compound with-NCO group, sulfonic acid group is grafted to and poly- ammonia
On ester chain, sulfoacid compound polarity is strong, and adhesive for polyurethane construction and substrate surface, polar group easily pass through hydrogen with substrate surface
Key link promotes bond effect, but the water resistance that the introducing of sulfonic acid group will lead to polyurethane is deteriorated.Applicants have discovered that
Be added mass percent be (20~40) % 6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane -1- sulfonic acid and (60~
80) after the mixture of 2, the 3- dihydroxypropane sulfonic acid of %, it can be improved the water resistance of polyurethane.The possible reason is trimethyl
Hexamethylene diisocyanate, isophorone diisocyanate and chain extender interact, and molecule segment free movement is big, easily roll up
Bent spherical in shape, the hydrophilic radical on one side sulfoacid compound is easy to migrate to polyurethane system surface, another aspect sulfonic acid chemical combination
Rigid radical on object is regular to be closely distributed in polyurethane system surface, and hydrone is prevented to further expand into polyurethane
Between molecule segment.When the mass percent of -2,3,4- dihydroxyhexane -1- sulfonic acid of 6- (2,4- dichlorophenyl) is larger, can drop
The elongation at break of low adhesive, when -2,3,4- dihydroxyhexane -1- sulfonic acid of 6- (2,4- dichlorophenyl) mass percent compared with
Hour, regular close system can not be formed.
As a preferred embodiment, the thickener is association type aqueous polyurethane thickener.
Hydrophobic structure in the thickener molecule hydrophobic side and adhesive for polyurethane associates, and forms space network；
Like surfactant, when current concentration is higher than critical micelle concentration, micella is formed；Thickener molecule hydrophilic chain and hydrone hydrogen
Key works, to reach thickening result.
Preferably, the thickener model RM-12W.
The levelling agent is selected from acrylic ester type levelling agent and/or organic silicon type levelling agent.
Preferably, the levelling agent is organic silicon type levelling agent.
It is highly preferred that the levelling agent model BYK-307.
In the application, by the way that organosilicon levelling agent is added, the surface tension gradient for eliminating film coated surface is poor, controls film
Surface state eliminates surface defect, reduces the interfacial tension of coating and substrate, enhances the spread of coating, improves adhesive force, subtracts
Less or eliminate due to substrate caused by shrinkage cavity.
The antioxidant is selected from antioxidant and is selected from least one of antioxidant 264, antioxidant 1010, antioxidant 1076.
Preferably, the antioxidant model antioxidant 1010.
The curing agent is selected from Desmodur DN, Bayhydur3100, Bayhydur XP2487/1, Bayhydur
At least one of XP2547, Bayhydur XP2451.
Preferably, the curing agent model Bayhydur3100.
The preparation method of the Aqueous Adhesives, comprising the following steps: by aqueous polyurethane emulsion, thickener, levelling agent
Be added to stirrer for mixing with antioxidant, revolving speed is 1000~1500rpm, then add curing agent stir evenly to get.
The present invention is specifically described below by embodiment.It is necessarily pointed out that following embodiment is only used
In the invention will be further described, it should not be understood as limiting the scope of the invention, professional and technical personnel in the field
The some nonessential modifications and adaptations made according to the content of aforementioned present invention, still fall within protection scope of the present invention.
In addition, if without other explanations, it is raw materials used to be all commercially available.
Embodiment
Embodiment 1
A kind of Aqueous Adhesives, by weight, including 80 parts of aqueous polyurethane emulsion, 0.2 part of thickener, levelling agent
0.01 part, 0.01 part of antioxidant, 2 parts of curing agent；
The thickener model RM-12W.
The levelling agent model BYK-307.
The antioxidant model antioxidant 1010.
The curing agent model Bayhydur3100.
By weight, the aqueous polyurethane emulsion includes 20 parts of polyisocyanates, 70 parts of polyalcohol, chain extender 0.5
Part, 0.1 part of catalyst, 1 part of sulfoacid compound, 200 parts of water.
The polyalcohol is 70% polyoxypropyleneglycol and 30% polypropylene oxide triol group by mass percent
At；In Nanjing Nanjing petrochemical industry, number-average molecular weight is 2000 or so for the polyoxypropyleneglycol purchase；The polyoxygenated third
For the purchase of alkene triol in Nanjing Nanjing petrochemical industry, number-average molecular weight is 1500 or so.
The polyisocyanates is 30% hexamethylene diisocyanate and 70% isophorone two by mass percent
Isocyanates composition.
The chain extender is that 70% 1,6-HD and 30% glycerol form by mass percent.
The catalyst is dibutyl tin dilaurate.
6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane-that the sulfoacid compound is 20% by mass percent
1- sulfonic acid and 80% 2,3- dihydroxypropane sulfonic acid composition.
The preparation method of the aqueous polyurethane emulsion, comprising the following steps:
S1. polyalcohol is added in flask, adjusting temperature is 80 DEG C, and after temperature is stablized, catalyst and polyisocyanate cyanogen is added
Acid esters adjusts temperature at 85 DEG C, keeps the temperature 2 hours；
S2. the chain extender of 60% parts by weight is added in the mixed solution of step S1, time for adding 20min, is kept the temperature
The reaction was continued 2 hours；
S3. plus the chain extender of remaining 40% parts by weight is into the mixed solution of rapid S2, time for adding 20min, heat preservation
The reaction was continued 2 hours；
S4. adjust temperature to 70 DEG C, be added sulfoacid compound, keep the temperature 50min, add water emulsification to get.
The preparation method of the Aqueous Adhesives, comprising the following steps: by aqueous polyurethane emulsion, thickener, levelling agent
Be added to stirrer for mixing with antioxidant, revolving speed 1200rpm, then add curing agent stir evenly to get.
Embodiment 2
A kind of Aqueous Adhesives, by weight, including 100 parts of aqueous polyurethane emulsion, 5 parts of thickener, levelling agent 0.2
Part, 0.1 part of antioxidant, 5 parts of curing agent；
The thickener model RM-12W.
The levelling agent model BYK-307.
The antioxidant model antioxidant 1010.
The curing agent model Bayhydur3100.
By weight, the aqueous polyurethane emulsion includes 20 parts of polyisocyanates, 70 parts of polyalcohol, chain extender 0.5
Part, 0.1 part of catalyst, 1 part of sulfoacid compound, 200 parts of water.
The polyalcohol is 70% polyoxypropyleneglycol and 30% polypropylene oxide triol group by mass percent
At；In Nanjing Nanjing petrochemical industry, number-average molecular weight is 2000 or so for the polyoxypropyleneglycol purchase；The polyoxygenated third
For the purchase of alkene triol in Nanjing Nanjing petrochemical industry, number-average molecular weight is 1500 or so.
The polyisocyanates is 30% hexamethylene diisocyanate and 70% isophorone two by mass percent
Isocyanates composition.
The chain extender is that 70% 1,6-HD and 30% glycerol form by mass percent.
The catalyst is dibutyl tin dilaurate.
6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane-that the sulfoacid compound is 20% by mass percent
1- sulfonic acid and 80% 2,3- dihydroxypropane sulfonic acid composition.
The preparation method of the aqueous polyurethane emulsion, the specific steps are the same as those in embodiment 1.
The preparation method of the Aqueous Adhesives, the specific steps are the same as those in embodiment 1.
Embodiment 3
A kind of Aqueous Adhesives, by weight, including 90 parts of aqueous polyurethane emulsion, 1 part of thickener, levelling agent 0.1
Part, 0.05 part of antioxidant, 3 parts of curing agent；
The thickener model RM-12W.
The levelling agent model BYK-307.
The antioxidant model antioxidant 1010.
The curing agent model Bayhydur3100.
By weight, the aqueous polyurethane emulsion includes 20 parts of polyisocyanates, 70 parts of polyalcohol, chain extender 0.5
Part, 0.1 part of catalyst, 1 part of sulfoacid compound, 200 parts of water.
The polyalcohol is 70% polyoxypropyleneglycol and 30% polypropylene oxide triol group by mass percent
At；In Nanjing Nanjing petrochemical industry, number-average molecular weight is 2000 or so for the polyoxypropyleneglycol purchase；The polyoxygenated third
For the purchase of alkene triol in Nanjing Nanjing petrochemical industry, number-average molecular weight is 1500 or so.
The polyisocyanates is 30% hexamethylene diisocyanate and 70% isophorone two by mass percent
Isocyanates composition.
The chain extender is that 70% 1,6-HD and 30% glycerol form by mass percent.
The catalyst is dibutyl tin dilaurate.
6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane-that the sulfoacid compound is 20% by mass percent
1- sulfonic acid and 80% 2,3- dihydroxypropane sulfonic acid composition.
The preparation method of the aqueous polyurethane emulsion, the specific steps are the same as those in embodiment 1.
The preparation method of the Aqueous Adhesives, the specific steps are the same as those in embodiment 1.
Embodiment 4
A kind of Aqueous Adhesives, by weight, including 90 parts of aqueous polyurethane emulsion, 1 part of thickener, levelling agent 0.1
Part, 0.05 part of antioxidant, 3 parts of curing agent；
The thickener model RM-12W.
The levelling agent model BYK-307.
The antioxidant model antioxidant 1010.
The curing agent model Bayhydur3100.
By weight, the aqueous polyurethane emulsion includes 40 parts of polyisocyanates, 100 parts of polyalcohol, chain extender 5
Part, 0.4 part of catalyst, 4 parts of sulfoacid compound, 400 parts of water.
The polyalcohol is 70% polyoxypropyleneglycol and 30% polypropylene oxide triol group by mass percent
At；In Nanjing Nanjing petrochemical industry, number-average molecular weight is 2000 or so for the polyoxypropyleneglycol purchase；The polyoxygenated third
For the purchase of alkene triol in Nanjing Nanjing petrochemical industry, number-average molecular weight is 1500 or so.
The polyisocyanates is 30% hexamethylene diisocyanate and 70% isophorone two by mass percent
Isocyanates composition.
The chain extender is that 70% 1,6-HD and 30% glycerol form by mass percent.
The catalyst is dibutyl tin dilaurate.
6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane-that the sulfoacid compound is 20% by mass percent
1- sulfonic acid and 80% 2,3- dihydroxypropane sulfonic acid composition.
The preparation method of the aqueous polyurethane emulsion, the specific steps are the same as those in embodiment 1.
The preparation method of the Aqueous Adhesives, the specific steps are the same as those in embodiment 1.
Embodiment 5
A kind of Aqueous Adhesives, by weight, including 90 parts of aqueous polyurethane emulsion, 1 part of thickener, levelling agent 0.1
Part, 0.05 part of antioxidant, 3 parts of curing agent；
The thickener model RM-12W.
The levelling agent model BYK-307.
The antioxidant model antioxidant 1010.
The curing agent model Bayhydur3100.
By weight, the aqueous polyurethane emulsion include 30 parts of polyisocyanates, 80 parts of polyalcohol, 2 parts of chain extender,
0.2 part of catalyst, 2 parts of sulfoacid compound, 300 parts of water.
The polyalcohol is 70% polyoxypropyleneglycol and 30% polypropylene oxide triol group by mass percent
At；In Nanjing Nanjing petrochemical industry, number-average molecular weight is 2000 or so for the polyoxypropyleneglycol purchase；The polyoxygenated third
For the purchase of alkene triol in Nanjing Nanjing petrochemical industry, number-average molecular weight is 1500 or so.
The polyisocyanates is 30% hexamethylene diisocyanate and 70% isophorone two by mass percent
Isocyanates composition.
The chain extender is that 70% 1,6-HD and 30% glycerol form by mass percent.
The catalyst is dibutyl tin dilaurate.
6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane-that the sulfoacid compound is 20% by mass percent
1- sulfonic acid and 80% 2,3- dihydroxypropane sulfonic acid composition.
The preparation method of the aqueous polyurethane emulsion, the specific steps are the same as those in embodiment 1.
The preparation method of the Aqueous Adhesives, the specific steps are the same as those in embodiment 1.
Embodiment 6
A kind of Aqueous Adhesives, by weight, including 90 parts of aqueous polyurethane emulsion, 1 part of thickener, levelling agent 0.1
Part, 0.05 part of antioxidant, 3 parts of curing agent；
The thickener model RM-12W.
The levelling agent model BYK-307.
The antioxidant model antioxidant 1010.
The curing agent model Bayhydur3100.
By weight, the aqueous polyurethane emulsion include 30 parts of polyisocyanates, 80 parts of polyalcohol, 2 parts of chain extender,
0.2 part of catalyst, 2 parts of sulfoacid compound, 300 parts of water.
The polyalcohol is 70% polyoxypropyleneglycol and 30% polypropylene oxide triol group by mass percent
At；In Nanjing Nanjing petrochemical industry, number-average molecular weight is 2000 or so for the polyoxypropyleneglycol purchase；The polyoxygenated third
For the purchase of alkene triol in Nanjing Nanjing petrochemical industry, number-average molecular weight is 1500 or so.
The polyisocyanates is 30% hexamethylene diisocyanate and 70% isophorone two by mass percent
Isocyanates composition.
The chain extender is that 90% 1,6-HD and 10% glycerol form by mass percent.
The catalyst is dibutyl tin dilaurate.
6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane-that the sulfoacid compound is 20% by mass percent
1- sulfonic acid and 80% 2,3- dihydroxypropane sulfonic acid composition.
The preparation method of the aqueous polyurethane emulsion, the specific steps are the same as those in embodiment 1.
The preparation method of the Aqueous Adhesives, the specific steps are the same as those in embodiment 1.
Embodiment 7
A kind of Aqueous Adhesives, by weight, including 90 parts of aqueous polyurethane emulsion, 1 part of thickener, levelling agent 0.1
Part, 0.05 part of antioxidant, 3 parts of curing agent；
The thickener model RM-12W.
The levelling agent model BYK-307.
The antioxidant model antioxidant 1010.
The curing agent model Bayhydur3100.
By weight, the aqueous polyurethane emulsion include 30 parts of polyisocyanates, 80 parts of polyalcohol, 2 parts of chain extender,
0.2 part of catalyst, 2 parts of sulfoacid compound, 300 parts of water.
The polyalcohol is 70% polyoxypropyleneglycol and 30% polypropylene oxide triol group by mass percent
At；In Nanjing Nanjing petrochemical industry, number-average molecular weight is 2000 or so for the polyoxypropyleneglycol purchase；The polyoxygenated third
For the purchase of alkene triol in Nanjing Nanjing petrochemical industry, number-average molecular weight is 1500 or so.
The polyisocyanates is 30% hexamethylene diisocyanate and 70% isophorone two by mass percent
Isocyanates composition.
The chain extender is that 80% 1,6-HD and 20% glycerol form by mass percent.
The catalyst is dibutyl tin dilaurate.
6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane-that the sulfoacid compound is 20% by mass percent
1- sulfonic acid and 80% 2,3- dihydroxypropane sulfonic acid composition.
The preparation method of the aqueous polyurethane emulsion, the specific steps are the same as those in embodiment 1.
The preparation method of the Aqueous Adhesives, the specific steps are the same as those in embodiment 1.
Embodiment 8
A kind of Aqueous Adhesives, by weight, including 90 parts of aqueous polyurethane emulsion, 1 part of thickener, levelling agent 0.1
Part, 0.05 part of antioxidant, 3 parts of curing agent；
The thickener model RM-12W.
The levelling agent model BYK-307.
The antioxidant model antioxidant 1010.
The curing agent model Bayhydur3100.
By weight, the aqueous polyurethane emulsion include 30 parts of polyisocyanates, 80 parts of polyalcohol, 2 parts of chain extender,
0.2 part of catalyst, 2 parts of sulfoacid compound, 300 parts of water.
The polyalcohol is 70% polyoxypropyleneglycol and 30% polypropylene oxide triol group by mass percent
At；In Nanjing Nanjing petrochemical industry, number-average molecular weight is 2000 or so for the polyoxypropyleneglycol purchase；The polyoxygenated third
For the purchase of alkene triol in Nanjing Nanjing petrochemical industry, number-average molecular weight is 1500 or so.
The polyisocyanates is 30% hexamethylene diisocyanate and 70% isophorone two by mass percent
Isocyanates composition.
The chain extender is that 80% 1,6-HD and 20% glycerol form by mass percent.
The catalyst is dibutyl tin dilaurate.
6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane-that the sulfoacid compound is 40% by mass percent
1- sulfonic acid and 60% 2,3- dihydroxypropane sulfonic acid composition.
The preparation method of the aqueous polyurethane emulsion, the specific steps are the same as those in embodiment 1.
The preparation method of the Aqueous Adhesives, the specific steps are the same as those in embodiment 1.
Embodiment 9
A kind of Aqueous Adhesives, by weight, including 90 parts of aqueous polyurethane emulsion, 1 part of thickener, levelling agent 0.1
Part, 0.05 part of antioxidant, 3 parts of curing agent；
The thickener model RM-12W.
The levelling agent model BYK-307.
The antioxidant model antioxidant 1010.
The curing agent model Bayhydur3100.
By weight, the aqueous polyurethane emulsion include 30 parts of polyisocyanates, 80 parts of polyalcohol, 2 parts of chain extender,
0.2 part of catalyst, 2 parts of sulfoacid compound, 300 parts of water.
The polyalcohol is 70% polyoxypropyleneglycol and 30% polypropylene oxide triol group by mass percent
At；In Nanjing Nanjing petrochemical industry, number-average molecular weight is 2000 or so for the polyoxypropyleneglycol purchase；The polyoxygenated third
For the purchase of alkene triol in Nanjing Nanjing petrochemical industry, number-average molecular weight is 1500 or so.
The polyisocyanates is 30% hexamethylene diisocyanate and 70% isophorone two by mass percent
Isocyanates composition.
The chain extender is that 80% 1,6-HD and 20% glycerol form by mass percent.
The catalyst is dibutyl tin dilaurate.
6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane-that the sulfoacid compound is 30% by mass percent
1- sulfonic acid and 70% 2,3- dihydroxypropane sulfonic acid composition.
The preparation method of the aqueous polyurethane emulsion, the specific steps are the same as those in embodiment 1.
The preparation method of the Aqueous Adhesives, the specific steps are the same as those in embodiment 1.
Embodiment 10
With embodiment 9, difference is for a kind of Aqueous Adhesives, concrete component and parts by weight:
By weight, the aqueous polyurethane emulsion include 30 parts of polyisocyanates, 80 parts of polyalcohol, 2 parts of chain extender,
0.2 part of catalyst, 2 parts of sulfoacid compound, 300 parts of water.
The polyalcohol is 70% polyoxypropyleneglycol and 30% polypropylene oxide triol group by mass percent
At；In Nanjing Nanjing petrochemical industry, number-average molecular weight is 2000 or so for the polyoxypropyleneglycol purchase；The polyoxygenated third
For the purchase of alkene triol in Nanjing Nanjing petrochemical industry, number-average molecular weight is 1500 or so.
The polyisocyanates is 30% hexamethylene diisocyanate and 70% isophorone two by mass percent
Isocyanates composition.
The chain extender is that 50% 1,6-HD and 50% glycerol form by mass percent.
The catalyst is dibutyl tin dilaurate.
6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane-that the sulfoacid compound is 30% by mass percent
1- sulfonic acid and 70% 2,3- dihydroxypropane sulfonic acid composition.
The preparation method of the aqueous polyurethane emulsion, the specific steps are the same as those in embodiment 1.
The preparation method of the Aqueous Adhesives, the specific steps are the same as those in embodiment 1.
Embodiment 11
With embodiment 9, difference is for a kind of Aqueous Adhesives, concrete component and parts by weight:
By weight, the aqueous polyurethane emulsion include 30 parts of polyisocyanates, 80 parts of polyalcohol, 2 parts of chain extender,
0.2 part of catalyst, 2 parts of sulfoacid compound, 300 parts of water.
The polyalcohol is 70% polyoxypropyleneglycol and 30% polypropylene oxide triol group by mass percent
At；In Nanjing Nanjing petrochemical industry, number-average molecular weight is 2000 or so for the polyoxypropyleneglycol purchase；The polyoxygenated third
For the purchase of alkene triol in Nanjing Nanjing petrochemical industry, number-average molecular weight is 1500 or so.
The polyisocyanates is 30% hexamethylene diisocyanate and 70% isophorone two by mass percent
Isocyanates composition.
The chain extender is 1,6-HD.
The catalyst is dibutyl tin dilaurate.
6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane-that the sulfoacid compound is 30% by mass percent
1- sulfonic acid and 70% 2,3- dihydroxypropane sulfonic acid composition.
The preparation method of the aqueous polyurethane emulsion, the specific steps are the same as those in embodiment 1.
The preparation method of the Aqueous Adhesives, the specific steps are the same as those in embodiment 1.
Embodiment 12
With embodiment 9, difference is for a kind of Aqueous Adhesives, concrete component and parts by weight:
By weight, the aqueous polyurethane emulsion include 30 parts of polyisocyanates, 80 parts of polyalcohol, 2 parts of chain extender,
0.2 part of catalyst, 2 parts of sulfoacid compound, 300 parts of water.
The polyalcohol is 70% polyoxypropyleneglycol and 30% polypropylene oxide triol group by mass percent
At；In Nanjing Nanjing petrochemical industry, number-average molecular weight is 2000 or so for the polyoxypropyleneglycol purchase；The polyoxygenated third
For the purchase of alkene triol in Nanjing Nanjing petrochemical industry, number-average molecular weight is 1500 or so.
The polyisocyanates is 30% hexamethylene diisocyanate and 70% isophorone two by mass percent
Isocyanates composition.
The chain extender is that 80% 1,6-HD and 20% glycerol form by mass percent.
The catalyst is dibutyl tin dilaurate.
6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane-that the sulfoacid compound is 10% by mass percent
1- sulfonic acid and 90% 2,3- dihydroxypropane sulfonic acid composition.
The preparation method of the aqueous polyurethane emulsion, the specific steps are the same as those in embodiment 1.
The preparation method of the Aqueous Adhesives, the specific steps are the same as those in embodiment 1.
Embodiment 13
With embodiment 9, difference is for a kind of Aqueous Adhesives, concrete component and parts by weight:
By weight, the aqueous polyurethane emulsion include 30 parts of polyisocyanates, 80 parts of polyalcohol, 2 parts of chain extender,
0.2 part of catalyst, 2 parts of sulfoacid compound, 300 parts of water.
The polyalcohol is 70% polyoxypropyleneglycol and 30% polypropylene oxide triol group by mass percent
At；In Nanjing Nanjing petrochemical industry, number-average molecular weight is 2000 or so for the polyoxypropyleneglycol purchase；The polyoxygenated third
For the purchase of alkene triol in Nanjing Nanjing petrochemical industry, number-average molecular weight is 1500 or so.
The polyisocyanates is 30% hexamethylene diisocyanate and 70% isophorone two by mass percent
Isocyanates composition.
The chain extender is that 80% 1,6-HD and 20% glycerol form by mass percent.
The catalyst is dibutyl tin dilaurate.
6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane-that the sulfoacid compound is 50% by mass percent
1- sulfonic acid and 50% 2,3- dihydroxypropane sulfonic acid composition.
The preparation method of the aqueous polyurethane emulsion, the specific steps are the same as those in embodiment 1.
The preparation method of the Aqueous Adhesives, the specific steps are the same as those in embodiment 1.
Embodiment 14
With embodiment 9, difference is for a kind of Aqueous Adhesives, concrete component and parts by weight:
The preparation method of the aqueous polyurethane emulsion, comprising the following steps:
S1. polyalcohol is added in flask, adjusting temperature is 80 DEG C, and after temperature is stablized, catalyst and polyisocyanate cyanogen is added
Acid esters adjusts temperature at 85 DEG C, keeps the temperature 2 hours；
S2. chain extender is added in the mixed solution of step S1, time for adding 20min, that the reaction was continued is 4 small for heat preservation
When；
S3. adjust temperature to 70 DEG C, be added sulfoacid compound, keep the temperature 50min, add water emulsification to get.
The preparation method of the Aqueous Adhesives, the specific steps are the same as those in embodiment 1.
Performance test
(1) caking property is tested: this test is measured referring to GB/T 2791-1995, substrate: PVC piece, gluing length: 150mm,
Unit: N/mm.
(2) water resistance test: impregnating 48h for glue film at room temperature, surveys water absorption rate.Wherein:
Water absorption rate=(M0-M1) × 100%/M1
M0Quality after being impregnated in water for glue film, g
M1Quality before being impregnated in water for glue film, g.
1 the performance test results of table
| Embodiment | Peel strength | Water absorption rate |
| Embodiment 1 | 10.5 | 2.4 |
| Embodiment 2 | 11.2 | 2.2 |
| Embodiment 3 | 11.5 | 2.2 |
| Embodiment 4 | 12.1 | 2.1 |
| Embodiment 5 | 11.9 | 1.9 |
| Embodiment 6 | 11.7 | 1.7 |
| Embodiment 7 | 12.4 | 1.5 |
| Embodiment 8 | 12.3 | 1.2 |
| Embodiment 9 | 13.6 | 1.2 |
| Embodiment 10 | 8.9 | 5.6 |
| Embodiment 11 | 7.5 | 7.7 |
| Embodiment 12 | 8.3 | 10.3 |
| Embodiment 13 | 7.8 | 8.9 |
| Embodiment 14 | 2.3 | 8.6 |
The above described is only a preferred embodiment of the present invention, be not the limitation for making other forms to invention, it is any
Those skilled in the art are changed or are changed to the equivalent of equivalent variations possibly also with the technology contents of the disclosure above
Embodiment, but without departing from the technical solutions of the present invention, above embodiments are made according to the technical essence of the invention
Any simple modification, equivalent variations and remodeling, still fall within the protection scope of technical solution of the present invention.
Claims (10)
1. a kind of Aqueous Adhesives, which is characterized in that by weight, including 80~100 parts of aqueous polyurethane emulsion, thickener
0.2~5 part, 0.01~0.2 part of levelling agent, 0.01~0.1 part of antioxidant, 2~5 parts of curing agent；
Wherein, the aqueous polyurethane emulsion includes polyisocyanates, polyalcohol, chain extender, catalyst, sulfoacid compound, water.
2. adhesive as described in claim 1, which is characterized in that the polyalcohol is selected from polyoxypropyleneglycol, polyoxygenated
At least one of propylene triol, Polyoxyethylene glycol, polybutadiene diol, polytetrahydrofuran diol.
3. adhesive as claimed in claim 2, which is characterized in that the polyalcohol is (60~80) %'s by mass percent
The polypropylene oxide triol of polyoxypropyleneglycol and (20~40) % form.
4. adhesive as described in claim 1, which is characterized in that the polyisocyanates is selected from diphenyl methane -4,4'- bis-
Isocyanates, paraphenylene diisocyanate, two group diisocyanate of 1,3- benzene, toluene di-isocyanate(TDI), tri-methyl hexamethylene two
Isocyanates, naphthalene diisocyanate, 1,3- bis- (isocyanatometyl) benzene, isophorone diisocyanate, 4,4- diisocyanate
Ester dicyclohexyl methyl hydride, Toluene-2,4-diisocyanate, at least one of 4- diisocyanate.
5. adhesive as claimed in claim 4, which is characterized in that the polyisocyanates is by two isocyanide of tri-methyl hexamethylene
Acid esters and isophorone diisocyanate composition.
6. adhesive as claimed in claim 5, which is characterized in that the polyisocyanates by mass percent be (10~
40) isophorone diisocyanate of % trimethyl hexamethylene diisocyanate and (60~90) % form.
7. adhesive as described in claim 1, which is characterized in that the chain extender be selected from 1,4-butanediol, 1,6- hexylene glycol,
At least one of trimethylolpropane, glycerol, sorbierite, ethylene glycol.
8. adhesive as described in claim 1, which is characterized in that the sulfoacid compound is hydroxyl sulfoacid compound.
9. adhesive as claimed in claim 8, which is characterized in that the sulfoacid compound is selected from 2,3- dihydroxypropane sulphur
Acid, 1,5- dihydroxy pentane -1,5- disulfonate, 6- (2,4 dichloro benzene base) -2,3,4- dihydroxyhexane -1- sulfonic acid, 1,
At least one of 4- dihydroxy -2- sodium butane sulfonate.
10. the preparation method of adhesive as described in any one of claims 1 to 9, which comprises the following steps: will
Aqueous polyurethane emulsion, thickener, levelling agent and antioxidant are added to stirrer for mixing, and revolving speed is 1000~1500rpm, so
After add curing agent stir evenly to get.
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| CN115584160A (en) * | 2022-02-25 | 2023-01-10 | 上海欧畅新材料科技有限公司 | Quick-drying water-based spraying ink applied to fitness ball |
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Effective date of registration: 20210121 Address after: Yan Jiang Zhen Shui Yang Cun, Linhai City, Taizhou City, Zhejiang Province Applicant after: DINGLI NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 201100 building 4, 855 Chengjiang Road, Minhang District, Shanghai Applicant before: SHANGHAI DONGHE ADHESIVE Co.,Ltd. |
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