CN109401694A - A kind of epoxidized SBS pressure sensitive adhesive and preparation method thereof - Google Patents

A kind of epoxidized SBS pressure sensitive adhesive and preparation method thereof Download PDF

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Publication number
CN109401694A
CN109401694A CN201811200153.5A CN201811200153A CN109401694A CN 109401694 A CN109401694 A CN 109401694A CN 201811200153 A CN201811200153 A CN 201811200153A CN 109401694 A CN109401694 A CN 109401694A
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sensitive adhesive
pressure sensitive
agent
epoxidized
parts
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齐登武
吴卫均
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Shenzhen Day High Adhesive Tape Novel Material Co Ltd
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Shenzhen Day High Adhesive Tape Novel Material Co Ltd
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Priority to CN201811200153.5A priority Critical patent/CN109401694A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J153/00Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J153/02Vinyl aromatic monomers and conjugated dienes
    • C09J153/025Vinyl aromatic monomers and conjugated dienes modified
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/06Non-macromolecular additives organic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08Macromolecular additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention discloses a kind of epoxidized SBS pressure sensitive adhesives, it is characterized in that, it is made of the following components of parts by weight meter: 100 parts of epoxidized styrene-butadiene-styrene, 70~80 parts of newtrex, 10~20 parts of solvent misture, 5~10 parts of silane coupling agent, 0.5~1 part of anti-aging agent, 5~10 parts of neoprene, 80~100 parts of ethyl acetate solvent, 5~10 parts of softening agent, 1~3 part of crosslinking agent, 0~5 part of colorant.The invention also discloses the preparation methods of epoxidized SBS pressure sensitive adhesive.The epoxidized SBS pressure sensitive adhesive has the advantages that environmental protection, is simple to manufacture, is easy to use, is widely used, peel strength, hold viscosity, resistance to ag(e)ing is improved.

Description

A kind of epoxidized SBS pressure sensitive adhesive and preparation method thereof
Technical field
The present invention relates to a kind of technical field of polymer materials more particularly to a kind of epoxidized SBS decoration pressure sensitive adhesive and its Preparation method.
Background technique
Pressure sensitive adhesive is one kind to pressure-sensitive adhesive, does not need to add other auxiliary agents or by way of heating, The pressure for only needing to apply very little can will not generate shadow to the surface of substrate after opening with by viscous substrate strong bond It rings, its main feature is that viscous easy, that takes off is not difficult, and stripping is without damaging, and glue-line will not dry up in a longer period of time, therefore pressure sensitive adhesive is also referred to as For adhesive sticker.The product of pressure sensitive adhesive is each in packaging, automobile, transport, communication, electric appliance, building materials, machinery, aviation, light industry, health etc. There is application in field, and because its is easy to use easy to operate applied widely, pressure sensitive adhesive is quickly grown.
The use temperature of existing traditional hot-fusible pressure-sensitive adhesive is grasped with this condition usually between 160~180 DEG C Make, not only consumes a large amount of electric energy (being unfavorable for energy-saving), but also significantly reduce the service life of coating machine;Also pole simultaneously So that the substrate casting films (polyethylene film) of amenities occurred scalding wrinkle, scalded phenomena such as broken, and adhesive be also easy degradation and decomposition, Coking, blocking trunnion and glue-spraying spout etc., so that the safety requirements to operator greatly increases.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of epoxidized SBSs that can be used for decorateing Pressure sensitive adhesive, the pressure sensitive adhesive have the advantages that environmental protection, are simple to manufacture, are easy to use, is widely used.
The second object of the present invention is to provide the preparation of the above-mentioned epoxidized SBS decoration pressure sensitive adhesive for decoration industry Method has the characteristics that peel strength is big using pressure sensitive adhesive prepared by this method, holds that viscosity is long, resistance to ag(e)ing is excellent, and adopts It is reduced with this method cost of manufacture.
An object of the present invention is implemented with the following technical solutions:
A kind of epoxidized SBS pressure sensitive adhesive, characterized in that be made of the following components of parts by weight meter:
Further, the epoxidized styrene-butadiene-styrene is made by SBS epoxidation, wherein SBS structure For line style or one of star-like, preferably linear structure;Styrene and fourth in the epoxidized styrene-butadiene-styrene The ratio between relative amount of diene is 30:70.
Wherein, the SBS relative molecular mass of linear structure is lower, and dissolubility is good, and star structural molecule amount is higher, and cohesion is strong Spend larger, melting temperature height.Therefore, the present invention manufactures the SBS that linear structure is preferably selected in pressure-sensitive adhesive agent.In the present invention, benzene The performance that compares of ethylene and butadiene relative amount has larger impact, and St/Bd is big, and viscosity becomes smaller, and bonding force is big, but elasticity and It resists cold poor;St/Bd is small, and viscosity increases, and elasticity increases, but adhesive strength and heat resistance reduce in the present invention, as pressure-sensitive It is 30/70 that the SBS of glue, which selects St/Bd,.
Further, it is even to be selected from silane resin acceptor kh-550, silane coupling agent KH-560, silane for the silane coupling agent Join agent KH-570, silane coupling agent KH-151, silane coupling agent KH-171, silane coupling agent KH-580, silane coupling agent KH- 602, one of silane coupling agent Sj-42.
Since neoprene is easy crystallization at 50 DEG C or more, cohesiveness obviously weakens, and cohesive force significantly drops when higher than 70 DEG C It is low, temperature capability can be promoted by the method for adding silane coupling agent to a certain extent.
Further, the newtrex is newtrex B-115, in newtrex B-140, newtrex -90 It is one or two kinds of or more.Newtrex has the characteristics that inoxidizability, light degree, anti-crystallization than rosin.Newtrex It is renewable resource, reduces synthesis cost of the invention.
Further, the solvent misture is in terpene resin, rosin resin, C5 Petropols or Aromatic Petroleum Resins Any one or two kinds or more.
In the present invention, the preferred 803L type terpene resin of terpene resin, terpene resin has good mix with SBS, SIS Property, the terpene resin and above-mentioned elastomer phase timing can assign the higher peel strength of adhesive, holding power and heat resistance, and And anti-yellowing property is good.
Since there is no tacks by thermoplastic elastomer (TPE) SIS itself, it is necessary to which solvent misture, which is added, just has voltage-dependent characteristic.Pressure The key of quick colloidality energy superiority and inferiority is the viscoplasticity of adhesive, and the effect of tackifier is mainly to confer to the necessary stickiness of pressure sensitive adhesive.By There is two-phase aggregated structure in thermoplastic elastomer (TPE), it is compatible with elastomer two-phase that it must be taken into consideration when selecting solvent misture Property.Compatible solvent misture has rosin and rosin, terpene resin, C5 petroleum with rubber phase in thermoplastic elastomer (TPE) (PB, PI) Resin etc. assigns pressure sensitive adhesive stickiness, and compatible solvent misture has ancient marlon resin, Aromatic Petroleum Resins, PS with plastics phase (PS) Resin etc. can improve the cohesive force of pressure sensitive adhesive.There are also some and two all compatible solvent mistures, such as the terpene phenolic of high softening-point The Aromatic Petroleum Resins of urea formaldehyde, low softening point.Phenolic resin is then all incompatible with the two-phase of thermoplastic elastomer (TPE).
After addition solvent misture is mixed with SBS, SIS, had occurred by the glass transition temperature that torsional braid analysis (TBA) measures two-phase Variation is to influence pressure-sensitive adhesive agent and performance.Terpene resin makes the Tg of PS phase be greatly improved, and the Tg of PS phase is slightly reduced; Rosin resin is affected to the Tg of PB phase, and influences on the Tg of PS phase smaller;C5 Petropols are smaller to PB phase Tg raising, but The Tg variation of PS phase is very greatly;Aromatic Petroleum Resins (C9) and two-phase compatibility are not bery high, influence on Tg little.
Further, the anti-aging agent is N, and N- dibutyl sulfide is for aminobenzoic acid zinc, ethylphenyl dithiocarbamates Zinc formate is one or two kinds of.Anti-aging agent is able to suppress oxidation, guarantees the permanent adhesive of pressure sensitive adhesive, to extend making for product Use the service life.
Further, the softening agent is Epoxy oil softening agent.Effect is to improve pressure sensitive adhesive characteristic, increases initial bonding strength, Pressure-sensitive sol solution or melting viscosity are reduced, coating process is improved.The addition of softening agent is so that two-phase glass in thermoplastic elastomer (TPE) Change temperature to change, influences pressure sensitive adhesive characteristic.Softening agent volatility is small, viscosity, nonhazardous is ageing-resistant, cheap.Ring Alkane oil is that the system comprehensive performance of softening agent is ideal.
Further, the crosslinking agent is one of sulphur or sulfur-donor, peroxide and reactive phenolic resin.Heat Cohesive strength and holding power can decline rapidly thermoplastic elastic pressure sensitive adhesive at high temperature, in order to improve the high-temperature behavior of pressure sensitive adhesive, It also needs that certain crosslinking agents are added in formula, is chemically crosslinked the double bond of unsaturated rubber, improve the cohesion of pressure sensitive adhesive Intensity and holding power.
Further, the crosslinking agent is also added with vulcanization accelerator, the 0.3- that mass percent is 0.3-1.0% 1.0% zinc oxide and the stearic acid of 0.3-1.0%.
Further, the colorant is that titanium dioxide, carbon black, iron oxide black, alumina powder are one such.According to color need It is added, pigments and fillers is added in thermoplastic elastic pressure-sensitive adhesive formula, colored pressure sensitive adhesive can be made.
The second object of the present invention is implemented with the following technical solutions:
A kind of preparation method of epoxidized SBS pressure sensitive adhesive, characterized in that the following steps are included:
1) blender, thermometer, nitrogen conduit and water bath heating device are loaded on three-necked flask, by SBS thermoplasticity Elastomer is added three-necked flask and is dissolved with water, is made into the solution that mass fraction is 10%;
2) quantitative formic acid is added into three-necked flask, controls 50 DEG C of reaction temperature with water bath with thermostatic control, and stir simultaneously, drips The hydrogen peroxide for the amount of reordering, insulation reaction 2h;
3) ethyl alcohol is added into three-necked flask, is agglomerated with ethyl alcohol, it is spare after washing;
4) epoxidized styrene-butadiene-benzene finally is obtained place the product in drying in vacuum oven to constant weight Ethylene is spare;
5) blender, thermometer, nitrogen conduit and water bath heating device are loaded on three-necked flask, are then burnt to three mouthfuls Epoxidized styrene-butadiene-styrene, ethyl acetate solvent is added according to formula rate in bottle, impregnates 8~12h;
6) it is added into three-necked flask and is formulated the newtrex, tackifying resin, silane coupling agent, anti-aging agent, neoprene rubber Glue, softening agent, crosslinking agent colorant are passed through nitrogen, are kept for 120 DEG C of temperature, when the solvent misture melts substantially, start and stir It mixes, is completely melt solvent misture;
7) 160~170 DEG C are warming up to, 0.5~1.0h is quickly stirred, until fine melt becomes transparent, uniform thick liquid, Stop stirring, discharges while hot.
Compared with prior art, the beneficial effects of the present invention are:
1, epoxidized SBS pressure sensitive adhesive of the invention have without organic solvent, it is free from environmental pollution, be simple to manufacture, user Just, widely used advantage.
2, manufacture craft of the invention, peel strength, hold viscosity, resistance to ag(e)ing is improved.
3, manufacture craft is simple, and cost of manufacture is reduced than other adhesives.
4, it is designed using low form formula, is lower than 140 DEG C using temperature, at a lower temperature than traditional melt pressure sensitive Glue has lower melting viscosity, can it is more effective it is hypotonic enter cotton core, have the characteristics that low energy consumption and be not easy to scald to break substrate, thus bright The aobvious residual smell for reducing amenities, and freedom degree with higher selects lower-cost raw material.Physics changes Property, set about from the base stock in formula, change original traditional elastomer and solvent misture system, or introduces structure phase Seemingly, there is the substance (such as viscosity-controlling agent, ionomer resin) of fine compatibility with elastomer, make its coating process from tradition High-temperature operation be changed into low-temperature operation.
5, it can be made from colored pressure sensitive adhesive according to different decoration condition needs, decoration industry is facilitated to operate.
Specific embodiment
In the following, being described further in conjunction with specific embodiment to the present invention:
A kind of epoxidized SBS pressure sensitive adhesive, following components composition by weight:
100 parts of epoxidized styrene-butadiene-styrene, 70~80 parts of newtrex, 10~20 parts of solvent misture, silicon 5~10 parts of alkane coupling agent, 0.5~1 part of anti-aging agent, 5~10 parts of neoprene, 80~100 parts of ethyl acetate solvent, softening agent 5 ~10 parts, 1~3 part of crosslinking agent, 0~5 part of colorant.
Further, the newtrex is newtrex B-115, in newtrex B-140, newtrex B-90 It is one or more.Newtrex has the characteristics that inoxidizability, light degree, anti-crystallization than rosin.Newtrex is can be again Production-goods source reduces the synthesis cost of the design.
Further, described once to stick the preferred 803L type terpene resin of resin, terpene resin has good with SBS, SIS Intermiscibility, the terpene resin and above-mentioned elastomer phase timing can assign the higher peel strength of adhesive, holding power and heat-resisting Property, and anti-yellowing property is good.
There is no tacks by thermoplastic elastomer (TPE) SIS itself, it is necessary to which terpene resin, which is added, just has pressure as solvent misture Quick performance.The key of pressure sensitive adhesive characteristic superiority and inferiority is the viscoplasticity of adhesive, and the effect of tackifier is mainly to confer to pressure sensitive adhesive necessity Stickiness.Since thermoplastic elastomer (TPE) has two-phase aggregated structure, it and elastomer two must be taken into consideration when selecting solvent misture The compatibility of phase.Compatible solvent misture has rosin and rosin, terpenes tree with rubber phase in thermoplastic elastomer (TPE) (PB, PI) Rouge, C5 Petropols etc. assign pressure sensitive adhesive stickiness, and compatible solvent misture has ancient marlon resin, aromatic hydrocarbons stone with plastics phase (PS) Oleoresin, PS resin etc., can improve the cohesive force of pressure sensitive adhesive.Soften there are also some with two all compatible solvent mistures, such as height The Aromatic Petroleum Resins of the terpene phenolic resin, low softening point put.Phenolic resin then with the two-phase of thermoplastic elastomer (TPE) not phases Hold.
After addition solvent misture is mixed with SBS, SIS, had occurred by the glass transition temperature that torsional braid analysis (TBA) measures two-phase Variation is to influence pressure-sensitive adhesive agent and performance.Terpene resin makes the Tg of PS phase be greatly improved, and the Tg of PS phase is slightly reduced; Rosin resin is affected to the Tg of PB phase, and influences on the Tg of PS phase smaller;C5 Petropols are smaller to PB phase Tg raising, but The Tg variation of PS phase is very greatly;Aromatic Petroleum Resins (C9) and two-phase compatibility are not bery high, influence on Tg little.
Further, it is even to be selected from silane resin acceptor kh-550, silane coupling agent KH-560, silane for the silane coupling agent Join agent KH-570, silane coupling agent KH-151, silane coupling agent KH-171, silane coupling agent KH-580, silane coupling agent KH- 602, one of silane coupling agent Sj-42.
Further, the preferred antioxidant 264 of the anti-aging agent, anti-aging agent 168, antioxidant MC 445, in anti-aging agent 405 It is one or more, be able to suppress oxidation, guarantee the permanent adhesive of pressure sensitive adhesive, to extend the service life of product.
SDS thermoplastic elastomer (TPE) contains unsaturated bond, and aging phenomenon occurs for the effect by environmental factors such as oxygen, light, heat, When especially hot-fusible pressure-sensitive adhesive is prepared at high temperature with melt coating, aging is even more serious.Therefore, necessary in pressure-sensitive adhesive formula The anti-aging agent based on antioxidant is added.If anti-aging agent is not added when preparing hot-fusible pressure-sensitive adhesive, at phase change There is yellow coking.With temperature height, color deepens gradually, and the pressure sensitive adhesive peel strength of anti-aging agent is added than not adding anti-aging agent Raising 30% or so.
N, N- dibutyl sulfide are of light color and be not easy oxygen for aminobenzoic acid zinc and zinc-ethylphenyl dithiocarbamate Change, dosage is generally the 2%~5% of thermoplastic elastomer (TPE).By N, N- dibutyl sulfide is for aminobenzoic acid zinc and ethylphenyl two Two kinds of anti-aging agents of zinc thiocarbamate are used in mixed way, and have better effect.
Further, the softening agent is Epoxy oil softening agent.Effect is to improve pressure sensitive adhesive characteristic, increases initial bonding strength, Pressure-sensitive sol solution or melting viscosity are reduced, coating process is improved.The addition of softening agent is so that two-phase glass in thermoplastic elastomer (TPE) Change temperature to change, influences pressure sensitive adhesive characteristic.Epoxy oil softening agent volatility is small, and viscosity is low, and nonhazardous is ageing-resistant, price It is cheap.Naphthenic oil is that the system comprehensive performance of softening agent is ideal.
Specific embodiment is as follows:
Embodiment 1
A kind of epoxidized SBS pressure sensitive adhesive, following components composition by weight: epoxidized styrene-butadiene-benzene second 100 parts of alkene, B-11570 parts of newtrex, 20 parts of 803L type terpene resin, 5 parts of silane resin acceptor kh-550, N, N- dibutyl sulfide For 0.5 part of aminobenzoic acid zinc, 5 parts of neoprene, 80 parts of ethyl acetate solvent, 5 parts of Epoxy oil softening agent, 1 part of crosslinking agent, 1 part of toner.
The preparation method of epoxidized SBS pressure sensitive adhesive described in the present embodiment the following steps are included:
1) blender, thermometer, nitrogen conduit and water bath heating device are loaded on three-necked flask, by SBS thermoplasticity Elastomer is added three-necked flask and is dissolved with water, is made into the solution that mass fraction is 10%;
2) quantitative formic acid is added into three-necked flask, controls 50 DEG C of reaction temperature with water bath with thermostatic control, and stir simultaneously, drips The hydrogen peroxide for the amount of reordering, insulation reaction 2h;
3) ethyl alcohol is added into three-necked flask, is agglomerated with ethyl alcohol, it is spare after washing;
4) epoxidized styrene-butadiene-benzene finally is obtained place the product in drying in vacuum oven to constant weight Ethylene is spare;
5) blender, thermometer, nitrogen conduit and water bath heating device are loaded on three-necked flask, are then burnt to three mouthfuls Epoxidized styrene-butadiene-styrene, ethyl acetate solvent is added according to formula rate in bottle, impregnates 8h;
6) newtrex B-115,803L terpene resin, N are added into three-necked flask, N- dibutyl sulfide is for aminobenzene Zinc formate, silane is even, joins agent KH-550, neoprene, Epoxy oil softening agent, crosslinking agent, colorant is passed through nitrogen, keeps temperature 120 DEG C, when the solvent misture melts substantially, stirring is started, is completely melt solvent misture;
7) 160 DEG C are warming up to, 1.0h is quickly stirred, until fine melt becomes transparent, uniform thick liquid, stops stirring, It discharges while hot.
Embodiment 2
A kind of epoxidized SBS pressure sensitive adhesive, following components composition by weight: epoxidized styrene-butadiene-benzene second 100 parts of alkene, B-14075 parts of newtrex, 15 parts of C5 Petropols, 5 parts of silane resin acceptor kh-550, N, N- dibutyl sulfide is for ammonia 0.5 part of yl benzoic acid zinc, 5 parts of neoprene, 80 parts of ethyl acetate solvent, 5 parts of Epoxy oil softening agent, 1 part of crosslinking agent, colorant 1 part.
The preparation method of epoxidized SBS pressure sensitive adhesive described in the present embodiment the following steps are included:
1) blender, thermometer, nitrogen conduit and water bath heating device are loaded on three-necked flask, by SBS thermoplasticity Elastomer is added three-necked flask and is dissolved with water, is made into the solution that mass fraction is 10%;
2) quantitative formic acid is added into three-necked flask, controls 50 DEG C of reaction temperature with water bath with thermostatic control, and stir simultaneously, drips The hydrogen peroxide for the amount of reordering, insulation reaction 2h;
3) ethyl alcohol is added into three-necked flask, is agglomerated with ethyl alcohol, it is spare after washing;
4) epoxidized styrene-butadiene-benzene finally is obtained place the product in drying in vacuum oven to constant weight Ethylene is spare;
5) blender, thermometer, nitrogen conduit and water bath heating device are loaded on three-necked flask, are then burnt to three mouthfuls Epoxidized styrene-butadiene-styrene, ethyl acetate solvent is added according to formula rate in bottle, impregnates 12h;
6) newtrex B-115, C5 Petropols, N are added into three-necked flask, N- dibutyl sulfide is for aminobenzoic Sour zinc, silane are even, join agent KH-550, neoprene, Epoxy oil softening agent, crosslinking agent, colorant is passed through nitrogen, keeps temperature 120 DEG C, when the solvent misture melts substantially, stirring is started, is completely melt solvent misture;
7) 160 DEG C are warming up to, 1.0h is quickly stirred, until fine melt becomes transparent, uniform thick liquid, stops stirring, It discharges while hot.
Embodiment 3
A kind of epoxidized SBS pressure sensitive adhesive, following components composition by weight: epoxidized styrene-butadiene-benzene second 100 parts of alkene, B-14080 parts of newtrex, 20 parts of solvent misture, 5 parts of silane coupling agent, 1 part of anti-aging agent, 10 parts of neoprene, 100 parts of ethyl acetate solvent, 5 parts of Epoxy oil softening agent, 2 parts of crosslinking agent, 5 parts of colorant.The solvent misture is terpene resin With the mixture of C5 Petropols, the cohesive force of pressure sensitive adhesive can be improved;The anti-aging agent is N, and N- dibutyl sulfide is for aminobenzoic The mixture of sour zinc and zinc-ethylphenyl dithiocarbamate.
The preparation method of epoxidized SBS pressure sensitive adhesive described in the present embodiment the following steps are included:
1) blender, thermometer, nitrogen conduit and water bath heating device are loaded on three-necked flask, by SBS thermoplasticity Elastomer is added three-necked flask and is dissolved with water, is made into the solution that mass fraction is 10%;
2) quantitative formic acid is added into three-necked flask, controls 50 DEG C of reaction temperature with water bath with thermostatic control, and stir simultaneously, drips The hydrogen peroxide for the amount of reordering, insulation reaction 2h;
3) ethyl alcohol is added into three-necked flask, is agglomerated with ethyl alcohol, it is spare after washing;
4) epoxidized styrene-butadiene-benzene finally is obtained place the product in drying in vacuum oven to constant weight Ethylene is spare;
5) blender, thermometer, nitrogen conduit and water bath heating device are loaded on three-necked flask, are then burnt to three mouthfuls Epoxidized styrene-butadiene-styrene, ethyl acetate solvent is added according to formula rate in bottle, impregnates 8~12h;
6) be added into three-necked flask the newtrex B-140, once stick resin, anti-aging agent, silane resin acceptor kh-550, Neoprene, Epoxy oil softening agent, crosslinking agent, colorant are passed through nitrogen, are kept for 120 DEG C DEG C of temperature, when the solvent misture base When this fusing, stirring is started, is completely melt solvent misture;
7) 170 DEG C are warming up to, 1.0h is quickly stirred, until fine melt becomes transparent, uniform thick liquid, stops stirring, It discharges while hot.
Embodiment 4
A kind of epoxidized SBS pressure sensitive adhesive, following components composition by weight: epoxidized styrene-butadiene-benzene second 100 parts of alkene, B-14080 parts of newtrex, 20 parts of 803L type terpene resin, 5 parts of Silane coupling reagent KH-570, anti-aging agent 1681 Part, 10 parts of neoprene, 100 parts of ethyl acetate solvent, 5 parts of Epoxy oil softening agent, 2 parts of crosslinking agent, 5 parts of colorant.
The preparation method of epoxidized SBS pressure sensitive adhesive described in the present embodiment the following steps are included:
1) blender, thermometer, nitrogen conduit and water bath heating device are loaded on three-necked flask, by SBS thermoplasticity Elastomer is added three-necked flask and is dissolved with water, is made into the solution that mass fraction is 10%;
2) quantitative formic acid is added into three-necked flask, controls 50 DEG C of reaction temperature with water bath with thermostatic control, and stir simultaneously, drips The hydrogen peroxide for the amount of reordering, insulation reaction 2h;
3) ethyl alcohol is added into three-necked flask, is agglomerated with ethyl alcohol, it is spare after washing;
4) epoxidized styrene-butadiene-benzene finally is obtained place the product in drying in vacuum oven to constant weight Ethylene is spare;
5) blender, thermometer, nitrogen conduit and water bath heating device are loaded on three-necked flask, are then burnt to three mouthfuls Epoxidized styrene-butadiene-styrene, ethyl acetate solvent is added according to formula rate in bottle, impregnates 10h;
6) newtrex B-140,803L type terpene resin, anti-aging agent, silane coupling agent are added into three-necked flask KH-570, neoprene, Epoxy oil softening agent, crosslinking agent, colorant are passed through nitrogen, are kept for 120 DEG C of temperature, when the increasing stick tree When this fusing of aliphatic radical, stirring is started, is completely melt solvent misture;
7) 165 DEG C are warming up to, 0.9h is quickly stirred, until fine melt becomes transparent, uniform thick liquid, stops stirring, It discharges while hot.
Embodiment 5
A kind of epoxidized SBS pressure sensitive adhesive, following components composition by weight: epoxidized styrene-butadiene-benzene second 100 parts of alkene, B-14075 parts of newtrex, 18 parts of solvent misture, 8 parts of silane resin acceptor kh-550,1 part of anti-aging agent, neoprene 10 parts, 90 parts of ethyl acetate solvent, 5 parts of Epoxy oil softening agent, 2 parts of crosslinking agent, 2 parts of colorant.The solvent misture is C5 stone The mixture of oleoresin;The anti-aging agent is the mixture of zinc-ethylphenyl dithiocarbamate.
The preparation method of epoxidized SBS pressure sensitive adhesive described in the present embodiment the following steps are included:
1) blender, thermometer, nitrogen conduit and water bath heating device are loaded on three-necked flask, by SBS thermoplasticity Elastomer is added three-necked flask and is dissolved with water, is made into the solution that mass fraction is 10%;
2) quantitative formic acid is added into three-necked flask, controls 50 DEG C of reaction temperature with water bath with thermostatic control, and stir simultaneously, drips The hydrogen peroxide for the amount of reordering, insulation reaction 2h;
3) ethyl alcohol is added into three-necked flask, is agglomerated with ethyl alcohol, it is spare after washing;
4) epoxidized styrene-butadiene-benzene finally is obtained place the product in drying in vacuum oven to constant weight Ethylene is spare;
5) blender, thermometer, nitrogen conduit and water bath heating device are loaded on three-necked flask, are then burnt to three mouthfuls Epoxidized styrene-butadiene-styrene, ethyl acetate solvent is added according to formula rate in bottle, impregnates 11h;
6) newtrex B-140, C5 Petropols, anti-aging agent, silane coupling agent KH- are added into three-necked flask 550, neoprene, Epoxy oil softening agent, crosslinking agent, colorant are passed through nitrogen, are kept for 120 DEG C of temperature, when the solvent misture When basic fusing, stirring is started, is completely melt solvent misture;
7) 170 DEG C are warming up to, 0.8h is quickly stirred, until fine melt becomes transparent, uniform thick liquid, stops stirring, It discharges while hot.
Performance test:
Above-described embodiment 1-4 is held according to standard GB2792-81 test peel strength, according to standard GB4851-84 test Viscosity is tested for the property according to GB4852-2002 (rolling ball method) test tack, according to standard GB2794-81 test viscosity, Wholesomeness is tested according to standard GB9683-88, test result see the table below:
As seen from the above table, there is larger improvement using the peel strength and hold viscosity energy of pressure sensitive adhesive prepared by the present invention, The problem of degumming will not occur in use process.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas Corresponding change and deformation, and all these changes and deformation all should belong to the protection scope of the claims in the present invention Within.

Claims (11)

1. a kind of epoxidized SBS pressure sensitive adhesive, characterized in that be made of the following components of parts by weight meter:
2. epoxidized SBS pressure sensitive adhesive according to claim 1, characterized in that the epoxidized styrene-butadiene-benzene Ethylene is made by SBS epoxidation, and wherein SBS structure is line style or one of star-like, preferably linear structure;The epoxidation benzene The ratio between relative amount of styrene and butadiene is 30:70 in ethylene-butadiene-styrene.
3. epoxidized SBS pressure sensitive adhesive according to claim 1, characterized in that the silane coupling agent is selected from silane coupled Agent KH-550, silane coupling agent KH-560, Silane coupling reagent KH-570, silane coupling agent KH-151, silane coupling agent KH-171, One of silane coupling agent KH-580, silane coupling agent KH-602, silane coupling agent Sj-42.
4. epoxidized SBS pressure sensitive adhesive according to claim 1, characterized in that the newtrex is newtrex B- 115, one or both of newtrex B-140, newtrex B-90 or more.
5. epoxidized SBS pressure sensitive adhesive according to claim 1, characterized in that the solvent misture is terpene resin, rosin Any one in resin, C5 Petropols or Aromatic Petroleum Resins or two kinds or more.
6. epoxidized SBS pressure sensitive adhesive according to claim 1, characterized in that the anti-aging agent is N, N- dibutyl sulfide generation Aminobenzoic acid zinc, zinc-ethylphenyl dithiocarbamate are one or two kinds of.
7. epoxidized SBS pressure sensitive adhesive according to claim 1, characterized in that the softening agent is Epoxy oil softening agent.
8. epoxidized SBS pressure sensitive adhesive according to claim 1, characterized in that the crosslinking agent is sulphur or sulfur-donor, mistake One of oxide and reactive phenolic resin.
9. epoxidized SBS pressure sensitive adhesive according to claim 8, characterized in that the crosslinking agent is also added with quality percentage Number is vulcanization accelerator, the zinc oxide of 0.3-1.0% and the stearic acid of 0.3-1.0% of 0.3-1.0%.
10. epoxidized SBS pressure sensitive adhesive according to claim 1, characterized in that the colorant is titanium dioxide, carbon black, iron It is black, alumina powder is one such.
11. a kind of preparation method of the epoxidized SBS pressure sensitive adhesive according to the claims, characterized in that including following Step:
1) blender, thermometer, nitrogen conduit and water bath heating device are loaded on three-necked flask, by SBS thermoplastic elastic Body is added three-necked flask and is dissolved with water, is made into the solution that mass fraction is 10%;
2) quantitative formic acid is added into three-necked flask, controls 50 DEG C of reaction temperature with water bath with thermostatic control, and stir simultaneously, it is fixed to be added dropwise The hydrogen peroxide of amount, insulation reaction 2h;
3) ethyl alcohol is added into three-necked flask, is agglomerated with ethyl alcohol, it is spare after washing;
4) epoxidized styrene-butadiene-styrene finally is obtained place the product in drying in vacuum oven to constant weight It is spare;
5) blender, thermometer, nitrogen conduit and water bath heating device are loaded on three-necked flask, then into three-necked flask Epoxidized styrene-butadiene-styrene, ethyl acetate solvent is added according to formula rate, impregnates 8~12h;
6) it is added into three-necked flask and is formulated the newtrex, tackifying resin, silane coupling agent, anti-aging agent, it is neoprene, soft Agent, crosslinking agent colorant are passed through nitrogen, are kept for 120 DEG C of temperature, when the solvent misture melts substantially, start stirring, make Solvent misture is completely melt;
7) 160~170 DEG C are warming up to, 0.5~1.0h is quickly stirred, until fine melt becomes transparent, uniform thick liquid, is stopped Stirring, discharges while hot.
CN201811200153.5A 2018-10-16 2018-10-16 A kind of epoxidized SBS pressure sensitive adhesive and preparation method thereof Pending CN109401694A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110003825A (en) * 2019-04-10 2019-07-12 广东绿洲化工有限公司 A kind of silane coupler modified SBS adhesive of aluminium bonding and preparation method thereof
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CN115537159A (en) * 2022-12-02 2022-12-30 广州鹿山新材料股份有限公司 Weather-resistant waterproof coiled material hot-melt pressure-sensitive adhesive and preparation method and application thereof
CN116333655A (en) * 2023-04-23 2023-06-27 广东丰华新材料科技有限公司 Dampproof hot-melt pressure-sensitive adhesive and preparation method thereof
CN116333655B (en) * 2023-04-23 2024-04-30 广东丰华新材料科技有限公司 Dampproof hot-melt pressure-sensitive adhesive and preparation method thereof

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