CN109852327A - A kind of two component polyurethane windshield glue and preparation method thereof with quick setting capabilities - Google Patents
A kind of two component polyurethane windshield glue and preparation method thereof with quick setting capabilities Download PDFInfo
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Abstract
The present invention provides a kind of two component polyurethane windshield glue and preparation method thereof with quick setting capabilities, glass cement includes component A and B component: based on parts by weight, component A includes following components: 30~50 parts of polyurethane prepolymer, 10~30 parts of plasticizer, 10~30 parts of filler, 10~30 parts of carbon black, 0.2~1 part of silane coupling agent, 0~1 part and 0.1~1 part of catalyst a of water absorbing agent；B component includes following components: 30~50 parts of polyether polyol a, 0~10 part of tackifying resin, 10~30 parts of plasticizer, 20~50 parts of filler, 0~20 part of carbon black, 0~10 part and 1~10 part of distilled water of gas-phase silica.Component A and B component cooperate, so that glass cement has faster ability to cure.The operable time of windshield glue is 16~27min；30min post-tensioning shear strength is 0.20~0.36MPa.
Description
Technical field
The invention belongs to polyurethane windshield glue more particularly to a kind of two component polyurethanes with quick setting capabilities
Windshield glue and preparation method thereof.
Background technique
Monocomponent polyurethane windshield glue is a kind of product of moisture-curable, and curing rate is influenced except performance itself
Outside, it is also influenced by vapor content in air and environment temperature.
With the development of modern automobile industry, assembly shop from installation polyurethane windshield glue to upper road test time by
It is tapered to be as short as 2h or so, and in the environment of low temperature and low humidity, if polyurethane adhesive cannot form enough initial strengths, bonding
Glass especially front-rear windshield glass, big side window glass due to vehicle vibration can lead to that abnormal sound occurs during road test, give vapour
The judgement of depot's quality testing link affects greatly.Secondly, on truck headstock assembling line, due to carrying out certain components
Installation when need to rotate headstock, therefore higher requirement is improved to the curing rate of windshield glue, needs to guarantee to be bonded
Enough adhesive strengths are just formed in the 1h of the windshield glue of windshield and matching component after construction.In addition, automobile is sold
When carrying out the maintenance of windshield and other component, client has biggish demand for quickly sailing out of similarly in market afterwards.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of two component polyurethane windscreen glass with quick setting capabilities
Glass glue and preparation method thereof, the two component polyurethane windshield glue have faster ability to cure.
The present invention provides a kind of two component polyurethane windshield glue with quick setting capabilities, including component A and B
Component:
Based on mass fraction, the component A includes following components:
30~50 parts of polyurethane prepolymer, 10~30 parts of plasticizer, 10~30 parts of filler, 10~30 parts of carbon black, silane is even
0.2~1 part of agent of connection, 0.2~1 part and 0.1~1 part of catalyst a of water absorbing agent；
The B component includes following components:
30~50 parts of polyether polyol a, 0~10 part of tackifying resin, 10~30 parts of plasticizer, 20~50 parts of filler, carbon black
0~20 part, 0~10 part and 1~10 part of distilled water of gas-phase silica.
Preferably, the volume ratio of the component A and B component is 10:1.
Preferably, the polyether polyol a be selected from one of polyether Glycols, polyether-tribasic alcohol and polyethers tetrahydroxylic alcohol or
It is a variety of.
Preferably, the tackifying resin is selected from polyethylene glycol, polyester resin dihydric alcohol, acrylic resin dihydric alcohol, poly- carbon
One of acid esters dihydric alcohol, rosin resin dihydric alcohol, hydrogenated petroleum resin dihydric alcohol, terpene resin dihydric alcohol are a variety of.
Preferably, the polyurethane prepolymer is reacted by polyether polyol b, isocyanates and catalyst b and is made；
The mass ratio of polyether polyol b, isocyanates and catalyst b are 100:2~10:0.01~0.05.
Preferably, the polyether polyol b is selected from polyether-tribasic alcohol and/or polyether Glycols；
The isocyanates is selected from toluene di-isocyanate(TDI), methyl diphenylene diisocyanate, two isocyanide of 1,4- phenylene
Acid esters, polymethylene polyphenylene(poly)isocyanate, benzene dimethylene diisocyanate, tetramethyl xylylen diisocyanate
Ester, tolidine diisocyanate, 1,5- naphthalene diisocyanate, triphenylmethane triisocyanate, hexa-methylene diisocyanate
Ester, trimethyl hexamethylene diisocyanate, lysine diisocyanate, norbornene alkyl diisocyanate, trans cyclohexane -1,
4- diisocyanate, two isocyanide of isoflurane chalcone diisocyanate, bis- (isocyanatomethyl) hexamethylenes and dicyclohexyl methyl hydride
One of acid esters is a variety of；
The catalyst b is selected from tin dilaurate dioctyl tin, dibutyl tin dilaurate, dilaurate, pungent
One of sour stannous, dibutyltin oxide and di-n-octyltin oxide are a variety of.
Preferably, the filler is selected from silica, powdered whiting, talcum powder, clay, organobentonite, hydrogenation castor
One of sesame oil and barium sulfate are a variety of；
The carbon black is selected from one of impingement black, furnace black and pyrolysismethod carbon black or a variety of；
The plasticizer is selected from alkyl sulfonic ester, diisooctyl phthalate, diisooctyl phthalate, adjacent benzene two
Formic acid dinonyl, hexamethylene 1,2- dioctyl phthalate dinonyl, hexamethylene 1,2- dioctyl phthalate diisodecyl ester, tricresyl phosphate and
One of trioctyl phosphate is a variety of.
The silane coupling agent is selected from β-(3,4- epoxycyclohexyl) ethyl trimethoxy silane, γ-glycidyl ether
Propyl trimethoxy silicane, γ-glycidyl ether propyl-triethoxysilicane, 3- glycidyl ether hydroxypropyl methyl diethoxy
One of base silane, γ-isocyanate group propyl-triethoxysilicane and γ-isocyanate group propyl trimethoxy silicane or
It is a variety of；
The water absorbing agent is selected from one of alkyl sulfonic acid isocyanates, calcium oxide and molecular sieve or a variety of.
The present invention provides a kind of preparation methods of two component polyurethane windshield glue described in above-mentioned technical proposal, including
Following steps:
It will be mixed after polyether polyol b dehydration with isocyanates, catalyst b, reaction obtains polyurethane prepolymer；
By polyurethane prepolymer, the filler of the plasticizer of dehydration and drying, the carbon black of drying, silane coupling agent, water absorbing agent
Mixing stirs evenly in vacuum degree not less than catalyst a is added under 980mbar, obtains component A；
By polyether polyol a, tackifying resin, the plasticizer of dehydration, the filler of drying, the carbon black of drying, drying gas phase
White carbon black and distilled water stir evenly, and obtain B component；
The component A and B component are mixed, two component polyurethane windshield glue is obtained.
The present invention provides a kind of two component polyurethane windshield glue with quick setting capabilities, including component A and B
Component: based on mass fraction, the component A includes following components: 30~50 parts of polyurethane prepolymer, 10~30 parts of plasticizer,
10~30 parts of filler, 10~30 parts of carbon black, 0.2~1 part of silane coupling agent, 0~1 part and 0.1~1 part of catalyst a of water absorbing agent；
The B component includes following components: polyether polyol a30~50 part, and 0~10 part of tackifying resin, 10~30 parts of plasticizer, filler
20~50 parts, 0~20 part of carbon black, 0~10 part and 1~10 part of distilled water of gas-phase silica.Bi-component polyurethane provided by the invention
Ester windshield glue includes component A and B component, they cooperate, so that glass cement has faster ability to cure.Experiment knot
Fruit shows: the operable time of windshield glue is 16~27min；30min post-tensioning shear strength is 0.20~0.36MPa；
60min post-tensioning shear strength is 1.0~1.5MPa；120min post-tensioning shear strength is 2.0~2.5MPa.
Specific embodiment
The present invention provides a kind of two component polyurethane windshield glue with quick setting capabilities, including component A and B
Component:
Based on mass fraction, the component A includes following components:
30~50 parts of polyurethane prepolymer, 10~30 parts of plasticizer, 10~30 parts of filler, 10~30 parts of carbon black, silane is even
0.2~1 part of agent of connection, 0~1 part and 0.1~1 part of catalyst a of water absorbing agent；
The B component includes following components:
30~50 parts of polyether polyol a, 0~10 part of tackifying resin, 10~30 parts of plasticizer, 20~50 parts of filler, carbon black
0~20 part, 0~10 part and 1~10 part of distilled water of gas-phase silica.
Two component polyurethane windshield glue provided by the invention includes component A and B component, they cooperate, so that
Glass cement has faster ability to cure.The results showed that the operable time of windshield glue is 16~27min；30min
Post-tensioning shear strength is 0.20~0.36MPa；60min post-tensioning shear strength is 1.0~1.5MPa；120min post-tensioning is cut
Shearing stress is 2.0~2.5MPa.
Two component polyurethane windshield glue provided by the invention with quick setting capabilities includes component A；The A group
Divide includes 30~50 parts of polyurethane prepolymer；In a particular embodiment, the content of polyurethane prepolymer is 30 parts, 40 parts or 50
Part.The polyurethane prepolymer is reacted by polyether polyol b, isocyanates and catalyst b to be made；
The mass ratio of polyether polyol b, isocyanates and catalyst b are 100:2~10:0.01~0.05.
In the present invention, the polyether polyol b be preferably selected from molecular weight be 3000~6000 polyether-tribasic alcohol and/or
Polyether Glycols；The molecular weight of the polyether-tribasic alcohol is preferably 3000~6000, and more preferably 4500~5000；Hydroxyl value is preferred
For 28~56mgKOH/g, more preferably 33.6~37.3mgKOH/g.The molecular weight of the polyether Glycols is preferably 1000~
4000, more preferably 2000~3000；Hydroxyl value is preferably 28~112mgKOH/g, more preferably 37.3~56mgKOH/g；At this
In invention specific embodiment, the molecular weight of the polyether-tribasic alcohol is 5000, hydroxyl value 33.6mgKOH/g；The polyethers binary
Alcohol is molecular weight 2000, hydroxyl value 56mgKOH/g.
In the present invention, the isocyanates is selected from toluene di-isocyanate(TDI), methyl diphenylene diisocyanate, Isosorbide-5-Nitrae-Asia
Phenyl diisocyanate, polymethylene polyphenylene(poly)isocyanate, benzene dimethylene diisocyanate, tetramethyl Asia dimethylbenzene
Group diisocyanate, tolidine diisocyanate, 1,5- naphthalene diisocyanate, triphenylmethane triisocyanate, six methylenes
It is group diisocyanate, trimethyl hexamethylene diisocyanate, lysine diisocyanate, norbornene alkyl diisocyanate, anti-
Formula hexamethylene -1,4- diisocyanate, isoflurane chalcone diisocyanate, bis- (isocyanatomethyl) hexamethylenes and dicyclohexyl
One of methane diisocyanate is a variety of；Wherein, the toluene di-isocyanate(TDI) be selected from 2,4- toluene di-isocyanate(TDI) and
4,4 '-toluene di-isocyanate(TDI)s.In a particular embodiment, the isocyanates is selected from 4,4 '-toluene di-isocyanate(TDI)s (4,4 '-
MDI).In a particular embodiment, the molar ratio of-NCO and-OH is 1.8.
In the present invention, the catalyst b is selected from tin dilaurate dioctyl tin, dibutyl tin dilaurate, tin dilaurate
One of stannous methide, stannous octoate, dibutyltin oxide and di-n-octyltin oxide are a variety of.In a particular embodiment, institute
It states catalyst b and is selected from dibutyl tin dilaurate.
Polyether polyol b and the temperature of isocyanates reaction are preferably 75~85 DEG C, and the time is preferably 3.5~4.5 hours；
In a particular embodiment, the polyether polyol b and the temperature of isocyanates reaction are 80 DEG C, and the time is 4 hours.Specific real
It applies in example, the NCO content of the polyurethane prepolymer is 2.14%.
The component A includes 10~30 parts of plasticizer；In a particular embodiment, the content of plasticizer is specially 10 parts, 20
Part or 30 parts.The plasticizer be preferably selected from alkyl sulfonic ester, diisooctyl phthalate, diisooctyl phthalate,
Diisononyl phthalate, hexamethylene 1,2- dioctyl phthalate dinonyl, hexamethylene 1,2- dioctyl phthalate diisodecyl ester, tripotassium phosphate
One of phenyl ester and trioctyl phosphate are a variety of.In a particular embodiment, the plasticizer is selected from two isodecyl of phthalic acid
One of ester, diisononyl phthalate and alkyl sulfonic ester are a variety of.
The component A includes 10~30 parts of filler；In a particular embodiment, the dosage of the filler is specially 10 parts, 20
Part or 30 parts.The filler is preferably selected from silica, powdered whiting, talcum powder, clay, organobentonite, hydrogenated castor
One of oil and barium sulfate are a variety of.In a particular embodiment, the filler is in powdered whiting, talcum powder and clay
It is one or more.
The component A includes 10~30 parts of carbon black；In specific embodiment, the dosage of the carbon black is 10 parts, 20 parts or 30
Part.The carbon black is preferably selected from one of impingement black, furnace black and pyrolysismethod carbon black or a variety of.In specific embodiment
In, the carbon black is furnace black.
The component A includes 0.2~1 part of silane coupling agent；In specific embodiment, the content of the silane coupling agent is
0.2 part, 0.5 part or 1.0 parts.The silane coupling agent is selected from β-(3,4- epoxycyclohexyl) ethyl trimethoxy silane, γ-contracting
Water glycerol ether propyl trimethoxy silicane, γ-glycidyl ether propyl-triethoxysilicane, 3- glycidyl ether propyl
Methyldiethoxysilane, γ-isocyanate group propyl-triethoxysilicane and γ-isocyanate group propyl trimethoxy silicane
One of or it is a variety of.In a particular embodiment, the silane coupling agent is γ-glycidoxypropyltrimethoxysilane alkane
And/or γ-isocyanate group propyl trimethoxy silicane.
The component A includes 0~1 part of water absorbing agent；In specific embodiment, the content of the water absorbing agent be 0 part, 0.5 part or
1.0 part.The water absorbing agent is preferably selected from one of alkyl sulfonic acid isocyanates, calcium oxide and molecular sieve or a variety of.In this hair
In bright specific embodiment, the water absorbing agent is selected from one of calcium oxide, molecular sieve and TI water absorbing agent or a variety of.
The component A includes 0.1~1 part of catalyst a.The catalyst a is selected from tertiary amine catalyst and/or tin catalyst；
The tertiary amine catalyst be selected from N, N- dimethyl cyclohexyl amine, bis- (2- dimethylaminoethyl) ethers, double morpholine Anaesthetie Ethers, N, N,
One of N', N'- tetramethyl Alkylenediamine, triethylamine and N, N- dimethyl benzylamine are a variety of；The tin catalyst is selected from
Tin dilaurate dioctyl tin, dibutyl tin dilaurate, dilaurate, stannous octoate, butyl tin oxide and octyl
One of tin oxide is a variety of, this.In specific embodiment, the tertiary amine catalyst is double morpholine Anaesthetie Ethers, and the tin is urged
Agent is dibutyl tin dilaurate.
Two component polyurethane windshield glue provided by the invention with quick setting capabilities includes B component；The B group
Divide based on mass fraction, including 30~50 parts of polyether polyol a, 0~10 part of tackifying resin, 10~30 parts of plasticizer, filler 20
~50 parts, 0~20 part of carbon black, 0~10 part and 1~10 part of distilled water of gas-phase silica.
The B component includes 30~50 parts of polyether polyol a.The polyether polyol a is selected from polyether Glycols, polyethers
One of trihydroxylic alcohol and polyethers tetrahydroxylic alcohol are a variety of；The molecular weight of the polyether Glycols preferably 1000~4000, more preferably
It is 2000~3000；The molecular weight of the polyether-tribasic alcohol is preferably 3000~6000, and more preferably 4500~5000；It is described poly-
The molecular weight of ether tetrahydroxylic alcohol preferably 1000~4000；More preferably 2000~3000.In a particular embodiment, the polyether polyols
Alcohol a is the polyether Glycols of molecular weight 2000；And/or the polyether-tribasic alcohol of molecular weight 5000.
The B component includes 0~10 part of tackifying resin.The tackifying resin is preferably selected from polyethylene glycol, polyester resin two
First alcohol, acrylic resin dihydric alcohol, polycarbonate glycol, rosin resin dihydric alcohol, hydrogenated petroleum resin dihydric alcohol, terpenes tree
One of rouge dihydric alcohol is a variety of.In a particular embodiment, the tackifying resin is rosin resin dihydric alcohol, polyester resin two
One of pure and mild polycarbonate glycol of member is a variety of.
The B component includes 10~30 parts of plasticizer.In specific embodiment, the plasticizer dosage be 20 parts, 30 parts or
10 parts.The type range of choice of plasticizer in the B component in the range of choice with component A of plasticizer is consistent, the tool of selection
Body type can be the same, can also be different.In a particular embodiment, the plasticizer is diisooctyl phthalate.
The B component includes 20~50 parts of filler.In a particular embodiment, the filler is specially 20 parts, 40 parts or 50
Part.The filler is preferably selected from silica, powdered whiting, talcum powder, clay, organobentonite, rilanit special and sulphur
One of sour barium is a variety of.In a particular embodiment, the filler is powdered whiting.
The B component includes 0~20 part of carbon black.In specific embodiment, the dosage of carbon black is specially 0 part, 10 parts or 20 parts.
The carbon black is preferably selected from one of impingement black, furnace black and pyrolysismethod carbon black or a variety of.In a particular embodiment,
The carbon black is furnace black.
The B component includes 0~10 part of gas-phase silica.In specific embodiment, the content of the gas-phase silica is specific
It is 0 part, 5 parts or 10 parts.
The B component includes 1~10 part of distilled water.In a particular embodiment, the dosage of the distilled water is specially 1 part, 5
Part or 10 parts.
In the certain specific embodiments of the present invention, the composition of the two component polyurethane windshield glue are as follows:
Component A includes 30 parts of polyurethane prepolymer A, 30 parts of plasticizer, 10 parts of fillers, 30 parts of carbon blacks, silane coupling agent 0.5
Part, 0.5 part of water absorbing agent, 0.1 part of tin catalyst；B component includes 30 parts of polyether polyol a, 0 part of tackifying resin, 30 parts of plasticising
Agent, 40 parts of fillers, 20 parts of carbon blacks, 0 part of gas-phase silica, 5 parts of distilled water；
Or component A includes 30 parts of polyurethane prepolymer A, 30 parts of plasticizer, 10 parts of fillers, 30 parts of carbon blacks, silane coupling agent
0.5 part, 0.5 part of water absorbing agent, 0.2 part and 0.2 part of amines catalyst of tin catalyst；B component includes 30 parts of polyether polyol a, and 5
Part tackifying resin, 30 parts of plasticizer, 20 parts of fillers, 20 parts of carbon blacks, 0 part of gas-phase silica, 10 parts of distilled water；
Or component A includes 40 parts of polyurethane prepolymer A, 20 parts of plasticizer, 20 parts of fillers, 20 parts of carbon blacks, silane coupling agent
1.0 parts, 1.0 parts of water absorbing agent, 0.1 part of tin catalyst；B component includes 40 parts of polyether polyol a, 0 part of tackifying resin, 20 parts of increasings
Mould agent, 40 parts of fillers, 20 parts of carbon blacks, 0 part of gas-phase silica, 5 parts of distilled water；
Or component A includes 40 parts of polyurethane prepolymer A, 20 parts of plasticizer, 20 parts of fillers, 20 parts of carbon blacks, silane coupling agent
1.0 parts, 1.0 parts of water absorbing agent, 0.2 part and 0.2 part amines catalyst of tin catalyst；B component includes 40 parts of polyether polyol a, and 5
Part tackifying resin, 20 parts of plasticizer, 20 parts of fillers, 20 parts of carbon blacks, 0 part of gas-phase silica, 10 parts of distilled water；
Or component A includes 50 parts of polyurethane prepolymer A, 10 parts of plasticizer, 30 parts of fillers, 10 parts of carbon blacks, silane coupling agent
1.0 parts, 1.0 parts of water absorbing agent, 0.2 part and 0.2 part amines catalyst of tin catalyst；B component includes 50 parts of polyether polyol a, and 0
Part tackifying resin, 10 parts of plasticizer, 60 parts of fillers, 10 parts of carbon blacks, 5 parts of gas-phase silicas, 1 part of distilled water；
Or component A includes 50 parts of polyurethane prepolymer A, 10 parts of plasticizer, 30 parts of fillers, 10 parts of carbon blacks, silane coupling agent
1.0 parts, 1.0 parts of water absorbing agent, 0.1 part of tin catalyst；B component includes 50 parts of polyether polyol a, 0 part of tackifying resin, 10 parts of increasings
Mould agent, 40 parts of fillers, 20 parts of carbon blacks, 0 part of gas-phase silica, 5 parts of distilled water；
Or component A includes 50 parts of polyurethane prepolymer A, 10 parts of plasticizer, 30 parts of fillers, 10 parts of carbon blacks, silane coupling agent
0.2 part, 0.0 part of water absorbing agent, 0.2 part and 0.2 part amines catalyst of tin catalyst；B component includes 50 parts of polyether polyol a, and 5
Part tackifying resin, 10 parts of plasticizer, 40 parts of fillers, 0 part of carbon black, 10 parts of gas-phase silicas, 5 parts of distilled water；
Or component A includes 50 parts of polyurethane prepolymer A, 10 parts of plasticizer, 30 parts of fillers, 0 part of carbon black, silane coupling agent
1.0 parts, 1.0 parts of water absorbing agent, 0.2 part and 0.2 part amines catalyst of tin catalyst；B component includes 50 parts of polyether polyol a, and 5
Part tackifying resin, 10 parts of plasticizer, 20 parts of fillers, 20 parts of carbon blacks, 0 part of gas-phase silica, 10 parts of distilled water；
Or component A includes 50 parts of polyurethane prepolymer A, 10 parts of plasticizer, 30 parts of fillers, 10 parts of carbon blacks, silane coupling agent
0.2 part, 0.0 part of water absorbing agent, 0.5 part and 0.5 part amines catalyst of tin catalyst；B component includes 50 parts of polyether polyol a,
10 parts of tackifying resins, 10 parts of plasticizer, 20 parts of fillers, 20 parts of carbon blacks, 0 part of gas-phase silica, 10 parts of distilled water.
The present invention provides a kind of preparation methods of two component polyurethane windshield glue described in above-mentioned technical proposal, including
Following steps:
It will be mixed after polyether polyol b dehydration with isocyanates, catalyst b, reaction obtains polyurethane prepolymer；
By polyurethane prepolymer, the filler of the plasticizer of dehydration and drying, the carbon black of drying, silane coupling agent, water absorbing agent
Mixing stirs evenly in vacuum degree not less than catalyst a is added under 980mbar, obtains component A；
By polyether polyol a, tackifying resin, the plasticizer of dehydration, the filler of drying, the carbon black of drying, drying gas phase
White carbon black and distilled water stir evenly, and obtain B component；
The component A and B component are mixed, two component polyurethane windshield glue is obtained.
In the present invention, the polyether polyol b be heated under stiring 110~130 DEG C be dehydrated 2 hours, after be cooled to
50 DEG C of addition isocyanates and catalyst b.The present invention is preferably by mixed polyether polyol b, isocyanates and catalyst b liter
Temperature is cooled to 50 DEG C hereinafter, obtaining polyurethane prepolymer to reacting 2~6 hours after 75~90 DEG C.
Plasticizer preferably is selected from vacuum dehydration 2 hours at 110~130 DEG C, the plasticizer being dehydrated.
Filler, carbon black and gas-phase silica are 3~7 days dry preferably at 115~125 DEG C, until moisture content is in 1000ppm
Hereinafter, obtaining the gas-phase silica of dry filler, the carbon black of drying and drying.
Prepare B component when, the present invention preferably by polyether polyol a, tackifying resin, the plasticizer of dehydration, drying filler,
The gas-phase silica of dry carbon black, drying is first uniformly mixed, then distilled water is added in the case where vacuum degree is not less than 980mbar.
Two component polyurethane windshield glue prepared by the present invention solves automobile factory, the poly- ammonia of automotive aftermarket one pack system
The slow disadvantage of ester windshield adhesive curing improves the assembly effect of windshield and matching component.
In order to further illustrate the present invention, below with reference to embodiment to provided by the invention a kind of with quick setting capabilities
Two component polyurethane windshield glue and preparation method thereof be described in detail, but they cannot be interpreted as to the present invention
The restriction of protection scope.
The preparation of preparation 1 polyurethane prepolymer of example:
By polyether-tribasic alcohol (average molecular weight 5000, hydroxyl value 33.6mgKOH/g) 1500g, polyether Glycols (average mark
Son amount 2000, hydroxyl value 56mgKOH/g) 500g, be heated to 130 DEG C be dehydrated 2 hours, after be cooled to 50 DEG C be added 4,4 '-two is different
Cyanatephenyl methane (4,4 '-MDI) 248g (NCO/OH=1.8 at this time), dibutyl tin dilaurate 0.15g, after mixing
90 DEG C of reaction 6h are warming up to get the polyurethane prepolymer for being 2.14% to NCO content.
Embodiment 1
By polyurethane prepolymer, the plasticizer phthalic acid diisodecyl ester of dehydration and the heavy of drying in preparation example 1
Calcium carbonate, the carbon black of drying, silane coupling agent γ-glycidoxypropyltrimethoxysilane alkane, the mixing of TI water absorbing agent, true
Reciprocal of duty cycle, which is not less than under 980mbar, is added catalyst a, stirs evenly, obtains component A；
By polyether polyol a (polyether-tribasic alcohol, molecular weight 5000), dehydration plasticizer phthalic acid diisodecyl ester,
The dry furnace black of powdered whiting, drying, the gas-phase silica of drying and distilled water stirs evenly, and obtains B component；
The pipe of the component A and B component will be filled, insertion has the mixed at high speed glue rifle of dynamic mix head respectively, uses glue
The component A, B component according to the volume ratio high speed extrusion of 10:1, are obtained two component polyurethane windshield glue by rifle.
Embodiment 2
Compared with Example 1, raw material type is identical, and only ratio is different.
Embodiment 3
Compared with Example 1, the different material in component A are as follows: filler is talcum powder；Plasticizer is that phthalic acid two is different
Nonyl ester；.
Different material in B component are as follows: filler is talcum powder；Tackifying resin is rosin resin dihydric alcohol.
Embodiment 4
Compared with Example 3, raw material type is identical, and only ratio is different.
Embodiment 5
Compared with Example 1, the different material in component A are as follows: filler is clay；Plasticizer is alkyl sulfonic ester.
Different material in B component are as follows: filler is clay；Tackifying resin is rosin resin dihydric alcohol.
Embodiment 6
Compared with Example 5, raw material type is identical, and only ratio is different.
Embodiment 7
Compared with Example 1, the different material in component A are as follows: water absorbing agent is molecular sieve；Silane coupling agent is γ-isocyanide
Perester radical propyl trimethoxy silicane.
Different material in B component are as follows: tackifying resin is polyester resin dihydric alcohol.
Embodiment 8
Compared with Example 7, raw material type is identical, and only ratio is different.
Embodiment 9
Compared with Example 3, the different material in component A are as follows: water absorbing agent is molecular sieve；Silane coupling agent is γ-isocyanide
Perester radical propyl trimethoxy silicane.
Different material in B component are as follows: tackifying resin is polyester resin dihydric alcohol.
Embodiment 10
Compared with Example 9, raw material type is identical, and only ratio is different.
Embodiment 11
Compared with Example 5, the different material in component A are as follows: water absorbing agent is molecular sieve；Silane coupling agent is γ-isocyanide
Perester radical propyl trimethoxy silicane.
Different material in B component are as follows: tackifying resin is polyester resin dihydric alcohol.
Embodiment 12
Compared with embodiment 11, raw material type is identical, and only ratio is different.
Embodiment 13
Compared with Example 1, the different material in component A are as follows: water absorbing agent is calcium oxide；.
Different material in B component are as follows: polyether polyol a is polyether Glycols (molecular weight 2000)；Tackifying resin is poly-
Carbonic ester dihydric alcohol.
Embodiment 14
Compared with embodiment 13, raw material type is identical, and only ratio is different.
Embodiment 15
Compared with Example 3, the different material in component A are as follows: water absorbing agent is calcium oxide；.
Different material in B component are as follows: polyether polyol a is polyether Glycols (molecular weight 2000)；Tackifying resin is poly-
Carbonic ester dihydric alcohol.
Embodiment 16
Compared with embodiment 15, raw material type is identical, and only ratio is different.
Embodiment 17
Compared with Example 5, the different material in component A are as follows: water absorbing agent is calcium oxide；.
Different material in B component are as follows: polyether polyol a is polyether Glycols (molecular weight 2000)；Tackifying resin is poly-
Carbonic ester dihydric alcohol.
Embodiment 18
Compared with embodiment 17, raw material type is identical, and only ratio is different.
The present invention is tested for the property two component polyurethane windshield glue prepared by embodiment 1~18, test method
30min is measured using GB/T 7124 respectively, the tensile shear of two component polyurethane windshield glue is strong after 60min, 120min
Degree.As a result Tables 1 and 2 is seen respectively, and table 1 is the stretching of two component polyurethane windshield glue prepared by the embodiment of the present invention 1~9
Shear strength test result；Table 2 is that the stretching of two component polyurethane windshield glue prepared by the embodiment of the present invention 10~18 is cut
Shearing stress test result；
The tensile shear strength test result of the two component polyurethane windshield glue of 1 embodiment of the present invention 1~9 of table preparation
The tensile shear strength of the two component polyurethane windshield glue of 2 embodiment of the present invention 10~18 of table preparation tests knot
Fruit
As seen from the above embodiment, the present invention provides a kind of two component polyurethane windscreen glass with quick setting capabilities
Glass glue, including component A and B component: based on parts by weight, the component A includes following components: polyurethane prepolymer 30~50
Part, 10~30 parts of plasticizer, 10~30 parts of filler, 10~30 parts of carbon black, 0.2~1 part of silane coupling agent, 0~1 part of water absorbing agent and
0.1~1 part of catalyst a；The B component includes following components: 30~50 parts of polyether polyol a, 0~10 part of tackifying resin,
10~30 parts of plasticizer, 20~50 parts of filler, 0~20 part of carbon black, 0~10 part and 1~10 part of distilled water of gas-phase silica.This hair
The two component polyurethane windshield glue of bright offer includes component A and B component, they cooperate so that glass cement have compared with
Fast ability to cure.The results showed that the operable time of windshield glue is 16~27min；30min post-tensioning shearing is strong
Degree is 0.20~0.36MPa；60min post-tensioning shear strength is 1.0~1.5MPa；120min post-tensioning shear strength is 2.0
~2.5MPa.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of two component polyurethane windshield glue with quick setting capabilities, including component A and B component:
Based on parts by weight, the component A includes following components:
30~50 parts of polyurethane prepolymer, 10~30 parts of plasticizer, 10~30 parts of filler, 10~30 parts of carbon black, silane coupling agent
0.2~1 part, 0~1 part and 0.1~1 part of catalyst a of water absorbing agent；
The B component includes following components:
30~50 parts of polyether polyol a, 0~10 part of tackifying resin, 10~30 parts of plasticizer, 20~50 parts of filler, carbon black 0~
20 parts, 0~10 part and 1~10 part of distilled water of gas-phase silica.
2. two component polyurethane windshield glue according to claim 1, which is characterized in that the component A and B component
Volume ratio is 10:1.
3. two component polyurethane windshield glue according to claim 1, which is characterized in that the polyether polyol a choosing
From one of polyether Glycols, polyether-tribasic alcohol and polyethers tetrahydroxylic alcohol or a variety of.
4. two component polyurethane windshield glue according to claim 1, which is characterized in that the tackifying resin is selected from poly-
Ethylene glycol, polyester resin dihydric alcohol, acrylic resin dihydric alcohol, polycarbonate glycol, rosin resin dihydric alcohol, non-hydrogenated petroleum
One of resin dihydric alcohol, terpene resin dihydric alcohol are a variety of.
5. two component polyurethane windshield glue according to claim 1, which is characterized in that the polyurethane prepolymer by
Polyether polyol b, isocyanates and catalyst b reaction are made；
The mass ratio of polyether polyol b, isocyanates and catalyst b are 100:2~10:0.01~0.05.
6. two component polyurethane windshield glue according to claim 5, which is characterized in that the polyether polyol b choosing
From polyether-tribasic alcohol and/or polyether Glycols；
The isocyanates be selected from toluene di-isocyanate(TDI), methyl diphenylene diisocyanate, 1,4- phenylene vulcabond,
Polymethylene polyphenylene(poly)isocyanate, benzene dimethylene diisocyanate, tetramethyl xylylen diisocyanate, connection
Toluidine diisocyanate, 1,5- naphthalene diisocyanate, triphenylmethane triisocyanate, hexamethylene diisocyanate, three
Methyl hexamethylene diisocyanate, lysine diisocyanate, norbornene alkyl diisocyanate, trans cyclohexane -1,4- two
Isocyanates, isoflurane chalcone diisocyanate, bis- (isocyanatomethyl) hexamethylenes and dicyclohexyl methyl hydride diisocyanate
One of or it is a variety of；
It is sub- that the catalyst b is selected from tin dilaurate dioctyl tin, dibutyl tin dilaurate, dilaurate, octanoic acid
One of tin, dibutyltin oxide and di-n-octyltin oxide are a variety of.
7. two component polyurethane windshield glue according to claim 1, which is characterized in that the filler is selected from titanium dioxide
One of silicon, powdered whiting, talcum powder, clay, organobentonite, rilanit special and barium sulfate are a variety of；
The carbon black is selected from one of impingement black, furnace black and pyrolysismethod carbon black or a variety of；
The plasticizer is selected from alkyl sulfonic ester, diisooctyl phthalate, diisooctyl phthalate, phthalic acid
Dinonyl, hexamethylene 1,2- dioctyl phthalate dinonyl, hexamethylene 1,2- dioctyl phthalate diisodecyl ester, tricresyl phosphate and phosphoric acid
One of three monooctyl esters are a variety of.
8. two component polyurethane windshield glue according to claim 1, which is characterized in that the silane coupling agent is selected from
β-(3,4- epoxycyclohexyl) ethyl trimethoxy silane, γ-glycidoxypropyltrimethoxysilane alkane, γ-shrink are sweet
Oily ether propyl-triethoxysilicane, 3- glycidyl ether hydroxypropyl methyl diethoxy silane, γ-isocyanate group propyl three
One of Ethoxysilane and γ-isocyanate group propyl trimethoxy silicane are a variety of；
The water absorbing agent is selected from one of alkyl sulfonic acid isocyanates, calcium oxide and molecular sieve or a variety of.
9. a kind of preparation method of any one of claim 1~8 two component polyurethane windshield glue, including following step
It is rapid:
It will be mixed after polyether polyol b dehydration with isocyanates, catalyst b, reaction obtains polyurethane prepolymer；
Polyurethane prepolymer, the filler of the plasticizer of dehydration and drying, the carbon black of drying, silane coupling agent, water absorbing agent are mixed,
In vacuum degree not less than catalyst a is added under 980mbar, stirs evenly, obtain component A；
By polyether polyol a, tackifying resin, the plasticizer of dehydration, the filler of drying, the carbon black of drying, drying gas phase hard charcoal
Black and distilled water stirs evenly, and obtains B component；
The component A and B component are mixed, two component polyurethane windshield glue is obtained.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910198039.1A CN109852327B (en) | 2019-03-15 | 2019-03-15 | Double-component polyurethane windshield glass adhesive with rapid curing capability and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910198039.1A CN109852327B (en) | 2019-03-15 | 2019-03-15 | Double-component polyurethane windshield glass adhesive with rapid curing capability and preparation method thereof |
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| CN109852327B CN109852327B (en) | 2020-09-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534266A (en) * | 2020-05-20 | 2020-08-14 | 天津鼎鑫防火材料科技有限公司 | Two-component polyurethane foaming adhesive |
| CN112048274A (en) * | 2020-07-29 | 2020-12-08 | 东风汽车集团有限公司 | Bi-component flame-retardant polyurethane adhesive for bonding and sealing power battery and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6130268A (en) * | 1997-06-23 | 2000-10-10 | Polyfoam Products, Inc. | Two component polyurethane construction adhesive |
| CN104497956A (en) * | 2014-12-18 | 2015-04-08 | 北京天山新材料技术有限公司 | Rapidly-cured double-component polyurethane elastic adhesive and preparation method thereof |
| CN104968698A (en) * | 2012-12-21 | 2015-10-07 | 陶氏环球技术有限责任公司 | Fast curing adhesive useful for bonding to glass |
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2019
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6130268A (en) * | 1997-06-23 | 2000-10-10 | Polyfoam Products, Inc. | Two component polyurethane construction adhesive |
| CN104968698A (en) * | 2012-12-21 | 2015-10-07 | 陶氏环球技术有限责任公司 | Fast curing adhesive useful for bonding to glass |
| CN104497956A (en) * | 2014-12-18 | 2015-04-08 | 北京天山新材料技术有限公司 | Rapidly-cured double-component polyurethane elastic adhesive and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534266A (en) * | 2020-05-20 | 2020-08-14 | 天津鼎鑫防火材料科技有限公司 | Two-component polyurethane foaming adhesive |
| CN112048274A (en) * | 2020-07-29 | 2020-12-08 | 东风汽车集团有限公司 | Bi-component flame-retardant polyurethane adhesive for bonding and sealing power battery and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109852327B (en) | 2020-09-11 |
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