CN105153986B - A kind of polyurethane-modified SBS adhesive and preparation method thereof - Google Patents
A kind of polyurethane-modified SBS adhesive and preparation method thereof Download PDFInfo
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Abstract
The present invention provides a kind of polyurethane-modified SBS adhesive and preparation method thereof, is related to field of adhesive technology, it includes following components and the weight proportion of each component is：Thermoplastic styrene butadiene rubber：10 20 parts by weight, base polyurethane prepolymer for use as：10 20 parts by weight, tackifying resin：10 17 parts by weight, white carbon：15 parts by weight, silane coupler：0.1 5 parts by weight, age resistor：0.1 5 parts by weight, catalyst：01 parts by weight, water absorbing agent：02 parts by weight, solvent：40 55 parts by weight.The polyurethane-modified SBS adhesive has high elongation at tear and tensile shear strength, improves the performance of existing SBS adhesive, expands the use scope of SBS adhesive.
Description
Technical field
The present invention relates to field of adhesive technology, more particularly to a kind of polyurethane-modified SBS adhesive and preparation method thereof.
Background technology
SBS thermoplastic elastomer (TPE)s are the block copolymer of styrene and butadiene, the dissolubility and thermoplastic of existing styrene
Property, there are the pliability and resilience of butadiene rubber again, be the material for having thermoplastic and vulcanization rubber double grading concurrently.SBS
Dissolubility is good, without kneading and plasticating, can vulcanize without HTHP with many polymer-compatibles, be especially suitable for preparing gluing
Agent, and the advantages of, good toughness high with intensity, quick solidifying and simple construction.
Polyurethane full name is polyurethanes, is containing the macromolecular chemical combination for repeating carbamate groups on main chain
The general designation of thing.It is to be formed by organic diisocyanate or polyisocyanates with dihydroxy or polyol addition polymerization.Poly- ammonia
Ester fluid sealant has many good characteristics, including：1st, mechanical strength is big.2nd, adhesive property is good.3rd, elasticity is good, is answered with excellent
Originality, available for dynamic juncture.
There is above-mentioned characteristic between polyurethane adhesive, if SBS can be improved by adding polyurethane resin in SBS adhesive
The performance of adhesive will be good selection.But the presently commercially available most elongation at break of SBS adhesive and tensile shear are strong
Degree is relatively low, now needs a kind of SBS adhesive with high elongation at tear and tensile shear strength badly in the industry.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of poly- ammonia with high elongation at tear and tensile shear strength
Ester modified SBS adhesive.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：A kind of polyurethane-modified SBS adhesive,
Including following components：
Thermoplastic styrene butadiene rubber：10-20 parts by weight；
Base polyurethane prepolymer for use as：10-20 parts by weight；
Tackifying resin：10-17 parts by weight；
White carbon：1-5 parts by weight；
Silane coupler：0.1-5 parts by weight；
Age resistor：0.1-5 parts by weight；
Catalyst：0-1 parts by weight；
Water absorbing agent：0-2 parts by weight；
Solvent：40-55 parts by weight.
The thermoplastic styrene butadiene rubber is one kind in linear/hub-and-spoke configuration thermoplastic styrene butadiene rubber or linear and star-like knot
The mixture of the thermoplastic styrene butadiene rubber composition of structure；
The base polyurethane prepolymer for use as is end NCO based polyurethanes performed polymers；
The tackifying resin is rosin, rosin polyol ester, Petropols, hydrogenated petroleum resin, terpene resin, phenolic aldehyde tree
One or more of mixtures in fat, coumarone indene resin；
The silane coupler is one or more of mixtures in the silane coupler of monoamine and many amine structures；
The age resistor is one or more of mixtures of amine and phenol antiager；
The catalyst is one or more of mixtures in organic tin or double morpholine classes；
The water absorbing agent be isocyanate terminated compound, silane compound and one kind in oxazole alkyl compound or
Several mixtures；
The solvent is petroleum ether, 120# solvent naphthas, dimethyl carbonate, ethyl acetate, butyl acetate, in Ethyl formate
One or more of mixtures.
It is preferred that, the weight proportion of the component is：
Thermoplastic styrene butadiene rubber：15 parts；
Base polyurethane prepolymer for use as：13 parts；
Tackifying resin：15 parts；
White carbon：3 parts；
Silane coupler：3 parts；
Age resistor：2.5 part；
Catalyst：0.5 part；
Water absorbing agent：1 part；
Solvent：47 parts.
It is furthermore preferred that the thermoplastic styrene butadiene rubber is YH-792SBS rubber presses 2 with YH-802SBS rubber：1 weight
Than the mixture of composition；
The tackifying resin is C9 Petropols, hydrogenated rosin glyceride, terpene resin by 6.5：2.5：6 weight compares group
Into mixture；
The solvent is ethyl acetate, dimethyl carbonate, butyl acetate, petroleum ether, 120# solvent naphthas by 12：15：4：8：8
Mixture of the weight than composition.
As another aspect of the present invention, a kind of method for preparing above-mentioned polyurethane-modified SBS adhesive, including following step
Suddenly：
1st, the preparation of NCO based polyurethanes performed polymers is held；
Polyol compound, plasticizer and diluent is taken to add in vacuum reaction kettle, in 100 DEG C -130 DEG C of vacuum environment
Lower vacuum dehydration 1-5 hours, is less than 0.01% to mixture water content, the temperature of charge of vacuum reaction kettle then is down into 40-
60 DEG C, add stirring under the isocyanate compound of metering, vacuum environment and be warming up to 75-85 DEG C, reaction 3-7h's to system is different
Cyanic acid radical content reach theoretical value, obtain hold NCO based polyurethanes performed polymers, be cooled to afterwards 10-25 DEG C it is standby, it is described
Chosen any one kind of them in the terminal hydroxy group compound that polyol compound is PPG, PEPA, other main chains contain C-C
Or several mixtures, the molecular weight of the PPG is between 2000-8000；The isocyanate compound is first
One in phenylene diisocyanate, methyl diphenylene diisocyanate, isoflurane chalcone diisocyanate, 1,6- hexamethylene diisocyanates
Plant or several mixtures；
2nd, stirring, the mixing of each component；
The first step, take a reactor and control in reactor temperature to be 10-25 DEG C, first toward solvent is added in reactor, stir
Mix it is uniform after another side stirring while toward being slowly added to thermoplastic styrene butadiene rubber in reactor；
Second step, reactor is closed and kettle in temperature be to be stirred continuously under conditions of 10-25 DEG C, treat thermoplasticity butylbenzene rubber
Again toward adding tackifying resin in reactor after peptization solution；
3rd step, reactor is closed and kettle in temperature be that 1-3h is stirred under conditions of 10-25 DEG C, then toward in reactor plus
Enter white carbon and have cooled to 10-25 DEG C of end NCO based polyurethanes performed polymers；
4th step, reactor is closed and kettle in temperature be that to add silane after stirring 0.5-2h under conditions of 10-25 DEG C even
Join agent, age resistor, catalyst and water absorbing agent, keep reactor closed and temperature is that 20min-1h is stirred in 10-25 DEG C of continuation in kettle
After can stop stirring, finally adhesive is poured out from reactor and filters that to can obtain the polyurethane-modified SBS gluing
Agent.
The beneficial effect that the present invention is obtained is：There is the polyurethane-modified SBS adhesive that the present invention is provided high fracture to stretch
Long rate and tensile shear strength, improve the performance of existing SBS adhesive, expand the use scope of SBS adhesive.
Embodiment
As one embodiment of the present invention, preparing the polyurethane-modified SBS adhesive of the present invention includes two parts：
First choice prepares the required end NCO based polyurethanes performed polymers of the present invention, takes polyol compound, plasticizer and dilution
Agent is added in vacuum reaction kettle, low to mixture water content in vacuum dehydration 1-5 hours under 100 DEG C -130 DEG C of vacuum environment
In 0.01%, the temperature of charge of vacuum reaction kettle is then down to 40-60 DEG C, the isocyanate compound of metering, vacuum is added
Stirring is warming up to 75-85 DEG C under environment, and reaction 3-7h to system isocyano-content reaches theoretical value, obtains holding NCO bases
Base polyurethane prepolymer for use as, be cooled to afterwards 10-25 DEG C it is standby.It is emphasized that above-mentioned polyol compound is that polyethers is more
Chosen any one kind of them in the terminal hydroxy group compound that first alcohol, PEPA, other main chains contain C-C or several mixtures, if above-mentioned
Polyol compound selects PPG, then the molecular weight of PPG should be between 2000-8000, above-mentioned isocyanide
Ester compound be toluene di-isocyanate(TDI), methyl diphenylene diisocyanate, isoflurane chalcone diisocyanate, 1,6- oneself two
One or more of mixtures in isocyanates.
Each component is stirred again afterwards, mixed, specifically, it is 10-25 DEG C to control temperature in reactor, is added toward reactor is interior
Enter solvent 40-55 parts by weight, then stir while being slowly added to the thermoplastic styrene butadiene rubber of 10-20 parts by weight, continuation is protected
Hold temperature in reactor to be 10-25 DEG C and ensure that reactor continues stirring in the case of closed, treat above-mentioned thermoplasticity butylbenzene rubber
The tackifying resin of 10-17 parts by weight is added after peptization solution, hereafter, the closed stirring 1- of temperature as before is then kept
3h, then toward the white carbon and the end NCO bases for having cooled to 10-25 DEG C of 10-20 parts by weight that 1-5 parts by weight are added in reactor
Base polyurethane prepolymer for use as, reactor is closed and kettle in temperature be to stir 0.5-2h under conditions of 10-25 DEG C, be eventually adding 0.1-5
The silane couplers of parts by weight, the age resistor of 0.1-5 parts by weight, the water absorbing agent of the catalyst of 0-1 parts by weight and 0-2 parts by weight,
Equally keep reactor closed and temperature continues to stop stirring after stirring 20min-1h for 10-25 DEG C in kettle, finally by glue
The polyurethane-modified SBS adhesive that can obtain the present invention is poured out and filtered to stick from reactor.It is emphasized that above-mentioned
Thermoplastic styrene butadiene rubber is one kind or linear and hub-and-spoke configuration thermoplasticity fourth in linear/hub-and-spoke configuration thermoplastic styrene butadiene rubber
The mixture of benzene rubber composition；Above-mentioned tackifying resin is rosin, rosin polyol ester, Petropols, hydrogenated petroleum resin, terpenes
One or more of mixtures in resin, phenolic resin, coumarone indene resin；Above-mentioned silane coupler is monoamine and many amine structures
Silane coupler one or more of mixtures；Above-mentioned age resistor is amine/phenol antiager or amines antioxidants and phenol
The mixture of class age resistor composition；Above-mentioned solvent is petroleum ether, 120# solvent naphthas, dimethyl carbonate, ethyl acetate, acetic acid fourth
One or more of mixtures in ester, Ethyl formate.
In order to allow those skilled in the art to more clearly understand the improvements of the present invention compared with the prior art, with reference to
The present invention is further illustrated for embodiment, the content that embodiment is referred to not limitation of the invention.
Need to illustrate in advance, in the polyurethane-modified SBS adhesive that the present invention is provided, thermoplastic styrene butadiene rubber can
Think the thermoplastic styrene butadiene rubber of one kind in linear/hub-and-spoke configuration thermoplastic styrene butadiene rubber or any one linear structure and appoint
The mixture that the thermoplastic styrene butadiene rubber of a kind of hub-and-spoke configuration of anticipating is constituted, it will be appreciated by those skilled in the art that, in the present invention,
Influence experimental result of the present invention be thermoplastic styrene butadiene rubber molecular morphosis and non-specific from which kind of trade mark thermoplastic
Property butadiene-styrene rubber.Although there is difference slightly between the thermoplastic styrene butadiene rubber of the different trades mark, these differences are to this hair
The influence of bright experimental result can almost be ignored.In addition, either still being selected from the thermoplastic styrene butadiene rubber of linear structure
With hub-and-spoke configuration thermoplastic styrene butadiene rubber or be the mixture that said two devices are constituted, its final experimental result all extremely connects
Closely.Likewise, tackifying resin, silane coupler, age resistor and solvent can also make in aforementioned component scope it is any selection and
Adjustment, compared to improvement amplitude of the present invention to existing SBS Adhensive performances, tackifying resin, silane coupler, age resistor, catalysis
The influence that the component of agent, water absorbing agent and solvent changes to experimental result is very small, therefore, in order to simplify statement, at this
The embodiment part of specification is only listed to be allocated as the experiment of thermoplastic styrene butadiene rubber, tackifying resin and solvent to the following group,
And eliminate the example from other components.
Embodiment 1：
Polyol compound, plasticizer and diluent is taken to add in vacuum reaction kettle, in 100 DEG C -130 DEG C of vacuum environment
Lower vacuum dehydration 1-5 hours, is less than 0.01% to mixture water content, the temperature of charge of vacuum reaction kettle then is down into 40-
60 DEG C, add stirring under the isocyanate compound of metering, vacuum environment and be warming up to 75-85 DEG C, reaction 3-7h's to system is different
Cyanic acid radical content reach theoretical value, obtain hold NCO based polyurethanes performed polymers, be cooled to afterwards 10-25 DEG C it is standby.Need
, it is emphasized that the terminal hydroxy group chemical combination that above-mentioned polyol compound, which is PPG, PEPA, other main chains, contains C-C
Chosen any one kind of them in thing or several mixtures, if above-mentioned polyol compound selects PPG, point of PPG
Son amount should be between 2000-8000, and above-mentioned isocyanate compound is toluene di-isocyanate(TDI), the isocyanide of diphenyl methane two
One or more of mixtures in acid esters, isoflurane chalcone diisocyanate, 1,6- hexamethylene diisocyanates.
Each component is stirred again afterwards, mixed, specifically, it is 10-25 DEG C to control temperature in reactor, is added toward reactor is interior
Enter the parts by weight of solvent 40（Include the ethyl acetate of 12 parts by weight, the butyl acetate of 4 parts by weight, the petroleum ether of 14 parts by weight, 10 weights
Measure the 120# solvent naphthas of part）, then stir while being slowly added to the thermoplastic styrene butadiene rubber of 10 parts by weight（Including 7 weight
The YH-792 SBS rubber of part and the YH-802SBS rubber of 3 parts by weight）, continue to keep temperature in reactor to be 10-25 DEG C and protect
Card reactor continues stirring in the case of closed, after the thickening that 10 parts by weight are added after the dissolving of above-mentioned thermoplastic styrene butadiene rubber
Resin（C9 Petropols including 6 parts by weight, the terpene resin of 4 parts by weight）, hereafter, then keep temperature as before
Closed stirring 1-3h, then toward adding the white carbon of 1 parts by weight and the end for having cooled to 10-25 DEG C of 20 parts by weight in reactor
NCO based polyurethanes performed polymers, reactor is closed and kettle in temperature be to stir 0.5-2h under conditions of 10-25 DEG C, be eventually adding
The silane coupler of 5 parts by weight, the age resistor of 5 parts by weight, the water absorbing agent of the catalyst of 1 parts by weight and 2 parts by weight, it is same to keep
Reactor is closed and kettle in temperature be 10-25 DEG C and continue to stir and can stop stirring after 20min-1h, finally by adhesive from anti-
Answer the polyurethane-modified SBS adhesive poured out and filtered in kettle and can obtain the present invention.It is emphasized that above-mentioned silane coupled
Agent is one or more of mixtures of the silane coupler of monoamine and many amine structures；Above-mentioned age resistor is that amine/phenols is anti-old
The mixture that agent or amines antioxidants are constituted with phenol antiager.
Hereafter, the polyurethane-modified SBS adhesive embodiment 1 obtained according to GB/T 27561-2011 styrene-
Butadiene-styrene block copolymer (SBS) adhesive and GB/T 528-2009 vulcanization rubber and thermoplastic elastomer stretching should
The examination criteria of the measure of stress-strain performance tests its performance indications, and specific test result is shown in Table 1.
Embodiment 2：
Embodiment 2 is identical with the preparation method of embodiment 1, is easy statement, and identical content will not be repeated here,
The proportioning of each component of the polyurethane-modified SBS adhesive of embodiment 2 is as follows：Thermoplastic styrene butadiene rubber：20 parts by weight（Including
The YH-792 SBS rubber of 12 parts by weight and the YH-802SBS rubber of 8 parts by weight）；Base polyurethane prepolymer for use as：10 parts by weight；Thickening
Resin：17 parts by weight（The terpenes of C9 Petropols, the hydrogenated rosin glyceride of 3 parts by weight and 6 parts by weight including 8 parts by weight
Resin）；White carbon：5 parts by weight；Silane coupler：0.1 parts by weight；Age resistor：0.1 parts by weight；Catalyst：0 weight
Part；Water absorbing agent：0 parts by weight；Solvent：55 parts by weight（The carbonic acid diformazan of ethyl acetate including 15 parts by weight, 14 parts by weight
Ester, the butyl acetate of 6 parts by weight, 20 parts by weight petroleum ethers）.
Hereafter, the polyurethane-modified SBS adhesive embodiment 2 obtained according to GB/T 27561-2011 styrene-
Butadiene-styrene block copolymer (SBS) adhesive and GB/T 528-2009 vulcanization rubber and thermoplastic elastomer stretching should
The examination criteria of the measure of stress-strain performance tests its performance indications, and specific test result is shown in Table 1.
Embodiment 3：
Embodiment 3 is identical with the preparation method of embodiment 1 and 2, is easy statement, and identical content is no longer gone to live in the household of one's in-laws on getting married herein
State, the proportioning of each component of the polyurethane-modified SBS adhesive of embodiment 3 is as follows：Thermoplastic styrene butadiene rubber：15 parts by weight（Bag
Include the YH-792 SBS rubber of 10 parts by weight and the YH-802SBS rubber of 5 parts by weight）；Base polyurethane prepolymer for use as：13 parts by weight；Increase
Viscosity resin：15 parts by weight（C9 Petropols, the hydrogenated rosin glyceride of 2.5 parts by weight and 6 parts by weight including 6.5 parts by weight
Terpene resin）；White carbon：3 parts by weight；Silane coupler：3 parts by weight；Age resistor：2.5 parts by weight；Catalyst： 0.5
Parts by weight；Water absorbing agent：1 parts by weight；Solvent：47 parts by weight（Include the ethyl acetate of 12 parts by weight, the carbonic acid two of 15 parts by weight
Methyl esters, the butyl acetate of 4 parts by weight, the petroleum ether of 8 parts by weight, the 120# solvent naphthas of 8 parts by weight）.
Hereafter, the polyurethane-modified SBS adhesive embodiment 3 obtained according to GB/T 27561-2011 styrene-
Butadiene-styrene block copolymer (SBS) adhesive and GB/T 528-2009 vulcanization rubber and thermoplastic elastomer stretching should
The examination criteria of the measure of stress-strain performance tests its performance indications, and specific test result is shown in Table 1.
| Product Title | GB standard | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Outward appearance | Uniform thick liquid is without outstanding Float, without visible machinery Impurity and phase separation are existing As. | Uniform thick liquid is without outstanding Float, without visible machinery Impurity and phase separation are existing As. | Uniform thick liquid is without outstanding Float, without visible machinery Impurity and phase separation are existing As. | Uniform thick liquid is without outstanding Float, it is miscellaneous without visible machinery Matter and phenomenon of phase separation. |
| Do not wave Stimulating food Content | ≥35% | 46% | 48% | 45% |
| Viscosity | 80-3000 | 520 | 470 | 710 |
| Stretching Shearing Intensity | 1.15 | 1.32 | 1.38 | 1.40 |
| It is just glutinous Intensity | 0.7 | 0.82 | 0.89 | 0.88 |
| Stretching Intensity | Nothing | 2.35 | 2.79 | 2.75 |
| Fracture Elongation Rate | Nothing | 93% | 117% | 123% |
Table 1；
Polyurethane-modified SBS adhesive and existing SBS glue that the present invention is provided are can be seen that from the test data of table 1
Stick is compared, and it has higher elongation at break and tensile shear strength, the adhesive property of the polyurethane-modified SBS adhesive
Greatly improved compared to existing SBS adhesive, it is possible thereby to determine the adhesive by with broader use scope.
Above-described embodiment is the present invention preferably implementation, and in addition, the present invention can be realized with other manner,
Any obvious replacement is within protection scope of the present invention on the premise of not departing from the technical program design.
Finally it should be emphasised that, in order to allow those of ordinary skill in the art more easily to understand the present invention relative to existing
There are the improvements of technology, some descriptions of the invention have been simplified, and for the sake of clarity, present specification is also omitted
Some other elements, those of ordinary skill in the art should be aware that these elements omitted also may make up the interior of the present invention
Hold.
Claims (4)
1. a kind of polyurethane-modified SBS adhesive, including following components and it the ratio of each component is：
Thermoplastic styrene butadiene rubber：10-20 parts by weight；
Base polyurethane prepolymer for use as：10-20 parts by weight；
Tackifying resin：10-17 parts by weight；
White carbon：1-5 parts by weight；
Silane coupler：0.1-5 parts by weight；
Age resistor：0.1-5 parts by weight；
Catalyst：0-1 parts by weight；
Water absorbing agent：0-2 parts by weight；
Solvent：40-55 parts by weight；
The thermoplastic styrene butadiene rubber is one kind or linear with hub-and-spoke configuration in linear/hub-and-spoke configuration thermoplastic styrene butadiene rubber
The mixture of thermoplastic styrene butadiene rubber composition；
The base polyurethane prepolymer for use as is end NCO based polyurethanes performed polymers；
The tackifying resin be rosin, rosin polyol ester, Petropols, hydrogenated petroleum resin, terpene resin, phenolic resin,
One or more of mixtures in coumarone indene resin；
The silane coupler is one or more of mixtures in the silane coupler of monoamine and many amine structures；
The age resistor is one or more of mixtures of amine and phenol antiager；
The catalyst is one or more of mixtures in organic tin or double morpholine classes；
The water absorbing agent is the one or more in isocyanate terminated compound, silane compound and oxazole alkyl compound
Mixture；
The solvent is petroleum ether, 120# solvent naphthas, dimethyl carbonate, ethyl acetate, butyl acetate, one kind in Ethyl formate
Or several mixtures.
2. polyurethane-modified SBS adhesive according to claim 1, it is characterised in that：The weight proportion of each component is：
Thermoplastic styrene butadiene rubber：15 parts；
Base polyurethane prepolymer for use as：13 parts；
Tackifying resin：15 parts；
White carbon：3 parts；
Silane coupler：3 parts；
Age resistor：2.5 part；
Catalyst：0.5 part；
Water absorbing agent：1 part；
Solvent：47 parts.
3. polyurethane-modified SBS adhesive according to claim 2, it is characterised in that：The thermoplastic styrene butadiene rubber is
YH-792SBS rubber presses 2 with YH-802SBS rubber：Mixture of 1 weight than composition；
The tackifying resin is C9 Petropols, hydrogenated rosin glyceride, terpene resin by 6.5：2.5：6 weight is than composition
Mixture；
The solvent is ethyl acetate, dimethyl carbonate, butyl acetate, petroleum ether, 120# solvent naphthas by 12：15：4：8：8 weight
Measure the mixture than composition.
4. a kind of method for preparing the polyurethane-modified SBS adhesive in claim 1-3 described in any one, including following step
Suddenly：
1st, the preparation of NCO based polyurethanes performed polymers is held；
Polyol compound, plasticizer and diluent is taken to add in vacuum reaction kettle, in true under 100 DEG C -130 DEG C of vacuum environment
Sky dehydration 1-5 hours, is less than 0.01% to mixture water content, the temperature of charge of vacuum reaction kettle then is down into 40-60
DEG C, add stirring under the isocyanate compound of metering, vacuum environment and be warming up to 75-85 DEG C, reaction 3-7h to system isocyanide
Acid group content reach theoretical value, obtain hold NCO based polyurethanes performed polymers, be cooled to afterwards 10-25 DEG C it is standby, it is described many
First alcoholic compound be choose any one kind of them in the terminal hydroxy group compound that PPG, PEPA, other main chains contain C-C or
Several mixtures, the molecular weight of the PPG is between 2000-8000；The isocyanate compound is toluene
One kind in diisocyanate, methyl diphenylene diisocyanate, isoflurane chalcone diisocyanate, 1,6- hexamethylene diisocyanates
Or several mixtures；
2nd, stirring, the mixing of each component；
The first step, take a reactor and control in reactor temperature to be 10-25 DEG C, first toward solvent is added in reactor, stirring is equal
Another side stirring after even is while toward being slowly added to thermoplastic styrene butadiene rubber in reactor；
Second step, reactor is closed and kettle in temperature be to be stirred continuously under conditions of 10-25 DEG C, treat that thermoplastic styrene butadiene rubber is molten
Xie Houzai is toward adding tackifying resin in reactor；
3rd step, reactor is closed and kettle in temperature be that 1-3h is stirred under conditions of 10-25 DEG C, it is then white toward adding in reactor
Carbon black and have cooled to 10-25 DEG C of end NCO based polyurethanes performed polymers；
4th step, reactor is closed and kettle in temperature be added after stirring 0.5-2h under conditions of 10-25 DEG C silane coupler,
Age resistor, catalyst and water absorbing agent, keep reactor closed and temperature is that 10-25 DEG C of continuation is stirred after 20min-1h in kettle
Stop stirring, finally adhesive is poured out from reactor and filtered can obtain the polyurethane-modified SBS adhesive.
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| CN101928535A (en) * | 2010-08-20 | 2010-12-29 | 沈阳天荣电缆材料有限公司 | Hot melting pressure-sensitive adhesive for joint of cable semi-conductive tape and manufacture method thereof |
| CN103773294A (en) * | 2014-01-14 | 2014-05-07 | 安徽金门工贸有限公司 | Hot melt adhesive for automotive upholstery |
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| KR20020071977A (en) * | 2000-01-31 | 2002-09-13 | 어드밴스드 엘라스토머 시스템즈,엘.피. | Thermoplastic elastomers having improved adhesive properties |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928535A (en) * | 2010-08-20 | 2010-12-29 | 沈阳天荣电缆材料有限公司 | Hot melting pressure-sensitive adhesive for joint of cable semi-conductive tape and manufacture method thereof |
| CN103773294A (en) * | 2014-01-14 | 2014-05-07 | 安徽金门工贸有限公司 | Hot melt adhesive for automotive upholstery |
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