CN110437778A - Adhesive tape hot-fusible pressure-sensitive adhesive and preparation method thereof - Google Patents
Adhesive tape hot-fusible pressure-sensitive adhesive and preparation method thereof Download PDFInfo
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- CN110437778A CN110437778A CN201910893523.6A CN201910893523A CN110437778A CN 110437778 A CN110437778 A CN 110437778A CN 201910893523 A CN201910893523 A CN 201910893523A CN 110437778 A CN110437778 A CN 110437778A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J157/00—Adhesives based on unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09J157/02—Copolymers of mineral oil hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/387—Block-copolymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention relates to a kind of hot-fusible pressure-sensitive adhesives, and in particular to a kind of adhesive tape hot-fusible pressure-sensitive adhesive and preparation method thereof.Styrene analog thermoplastic elastomer SIS, styrene analog thermoplastic elastomer SBS, Petropols, rosin glycerides, primary antioxidant, auxiliary anti-oxidant, softening agent；Wherein: styrene analog thermoplastic elastomer SIS is linear structure, styrene-content 20%-28%, diblock content 20%-28%；Styrene analog thermoplastic elastomer SBS is hub-and-spoke configuration, styrene-content 28%-32%, diblock content 12%-18%.With hot-fusible pressure-sensitive adhesive glue it is that initial bonding strength, holding power and ageing properties these three performances cannot have both simultaneously for existing adhesive tape, leads to the problem of adhesive tape service performance difference.Initial bonding strength (initial bonding strength includes annular initial bonding strength and 180 ° of peeling forces) of the present invention meets requirement, and holding power height and ageing properties are good；The present invention also provides preparation methods.
Description
Technical field
The present invention relates to a kind of hot-fusible pressure-sensitive adhesives, and in particular to a kind of adhesive tape hot-fusible pressure-sensitive adhesive and preparation method thereof.
Background technique
Pressure sensitive adhesive is a kind of without that only need to apply slight pressure in solvent, heat or other means, can be with adherend
Bond firm adhesive.Pressure sensitive adhesive is commonly divided into solvent type, emulsion-type, heat molten type three types.In pressure sensitive adhesive market,
Solvent pressure-sensitive adhesive environmental hazard is high, production efficiency is low, resistance to ag(e)ing is poor.Presence in emulsion-type pressure-sensitive because of emulsifier makes
Glue-line poor water resistance, take water as a solvent, water volatilization can expend a large amount of potential again, to seriously reduce construction efficiency, except this it
Outside, the surface tension of emulsion-type pressure-sensitive is higher, poor to some nonpolar substrate wetting effects, coating process also more difficult reality
It is existing.Thermotropic pressure sensitive glue is the pressure sensitive adhesive type that latest development is got up, and is after solvent type and emulsion-type pressure-sensitive
Third generation pressure sensitive adhesive product.It is coated in the molten state, apply after cooling and solidifying slight finger pressure can rapid link, easily
Removing, does not pollute adherend surface.
But adhesive tape needs good holding power with hot-fusible pressure-sensitive adhesive, and meeting the initial bonding strength of primary demand, (initial bonding strength includes ring
Shape initial bonding strength and 180 ° of peeling forces), excellent ageing properties etc., initial bonding strength exists in the prior art, and (initial bonding strength includes that annular is first
Viscous force and 180 ° of peeling forces) excessively high or too low, the disadvantages of holding power is bad, and ageing properties are poor.
109021893 A of Chinese patent CN discloses a kind of hot-fusible pressure-sensitive adhesive, by s-B-S block
Copolymer, styrene-isoprene-styrene block copolymer, tackifying resin, isocyanates, antioxidant, nanometer titanium dioxide
Mixed melting is added with certain proportion and sequence in silicon, plasticizer, which is that (initial bonding strength includes annular initial bonding strength to initial bonding strength
With 180 ° of peeling forces) and heat resistance be improved, the disadvantage is that do not account for hot-fusible pressure-sensitive adhesive holding power performance influence.
108178998 A of Chinese patent CN discloses a kind of resistant to heat aging hot-fusible pressure-sensitive adhesive and preparation process, will
SIS, naphthenic oil, C5 Petropols, PIB, coupling, main anti-oxidant, auxiliary antioxidant, the compound ultraviolet absorber of nano inorganic with
Certain proportion and sequence mixed melting.The patent advantage is that service life is longer, the disadvantage is that (initial bonding strength includes that annular is first to initial bonding strength
Viscous force and 180 ° of peeling forces) and holding power it is not high.
107987761 A of Chinese patent CN discloses a kind of hot-fusible pressure-sensitive adhesive and its preparation method and application, by diblock
SDS thermoplastic elastomer (TPE), C 5 petroleum resin, solubilizer, tackifier, polyisobutene, naphthenic oil, is prevented SIS thermoplastic elastomer (TPE)
With certain proportion and sequence mixed melting, which is that ageing properties are good for aging agent, and (initial bonding strength includes the disadvantage is that initial bonding strength
Annular initial bonding strength and 180 ° of peeling forces) and holding power it is bad.
Chinese patent CN103805112A discloses a kind of hot-fusible pressure-sensitive adhesive, by SIS thermoplastic styrene isoprene
Copolymer rubber, SBS thermoplastic styrene butadiene rubber, water-white hydrogenated rosin, white disproportionation hydrogenated rosin glyceride, lurid modified terpene
Olefine resin, C 5 petroleum resin, white tackifying resin, polyisobutene, husky rope wax, wetting agent, anti-aging agent, antioxidant, softening agent
Mixing hot melt according to a certain percentage.Be it is a kind of with excellent initial bonding strength, adhesion strength is excellent, holding power is excellent, peel strength is high, pressure
Quick property is excellent, the open hour are long, paste repeatedly often, glue-line is very soft, drying time is shorter is suitable for the environmental protection of spraying
Hot melt adhesive, but have the drawback that excessively high peel strength generates inconvenience in stripping process, and ageing-resistant performance is bad etc..
Summary of the invention
The disadvantages of that there are ageing properties is poor for adhesive tape glue in the prior art, and adhesion strength is bad heats for existing adhesive tape
Pressure sensitive adhesive glue is that initial bonding strength (including 180 ° of peeling forces and annular initial bonding strength), holding power and ageing properties these three performances cannot be same
When have both, lead to the problem of adhesive tape service performance difference.The object of the present invention is to provide a kind of adhesive tape hot-fusible pressure-sensitive adhesive, initial bonding strengths
(initial bonding strength includes annular initial bonding strength and 180 ° of peeling forces) meets requirement, and holding power height and ageing properties are good；The present invention
Preparation method is also provided.
Adhesive tape hot-fusible pressure-sensitive adhesive of the present invention, including following components: styrene analog thermoplastic elastomer SIS, benzene
Vinyl thermoplastic elastomer SBS, Petropols, rosin glycerides, primary antioxidant, auxiliary anti-oxidant, softening agent；Wherein: benzene second
Ethylenic thermoplastic elastomer SIS is linear structure, styrene-content 20%-28%, diblock content 20%-28%；Benzene
Vinyl thermoplastic elastomer SBS is hub-and-spoke configuration, styrene-content 28%-32%, diblock content 12%-18%.
As a kind of perferred technical scheme, adhesive tape hot-fusible pressure-sensitive adhesive of the present invention, including following parts by weight
Component: 35-40 parts of styrene analog thermoplastic elastomer SIS, 4-10 parts of styrene analog thermoplastic elastomer SBS, petroleum tree
42-50 parts of rouge, 8-13 parts of rosin glycerides, 0.1-0.3 parts of primary antioxidant, 0.1-0.3 parts of auxiliary anti-oxidant, 10-15 parts of softening agent.
Petropols are C5 Petropols, and softening point is 85 DEG C -95 DEG C.
Rosin glycerides softening point is 80 DEG C -90 DEG C.
Primary antioxidant is antioxidant 1010, and auxiliary anti-oxidant is irgasfos 168.
Softening agent is naphthenic oil.
A kind of preparation method of adhesive tape hot-fusible pressure-sensitive adhesive, comprising the following steps:
(1) it is packed into softening agent, heating, stirring in the reaction vessel；
(2) Petropols and primary antioxidant is added in step (1) and auxiliary anti-oxidant, inflated with nitrogen vacuumizes, it is lasting to rise
Temperature, stirring；
(3) rosin glycerides are added in step (2), puts into styrene analog thermoplastic elastomer by several times, stirs evenly；
(4) after first product is made, stop stirring, stablize to reactive material, discharge, it is cooling.
Heating temperature is 110 DEG C -130 DEG C in step (1), stirring rate 95-105r/min, preferably 100r/min.
In step (2), persistently overheating, stirring are as follows: be warming up to 150 DEG C -165 DEG C, stirring rate is identical as step (1), adds
The hot time is 35min-40min.
Step (3) are as follows: part rosin glycerides are added in step (2), temperature maintains 160 DEG C -170 DEG C, to petroleum
Resin all melt to each component it is uniform after, put into remaining rosin glycerides and part styrene analog thermoplastic elastomer SIS,
Part styrene analog thermoplastic elastomer SBS, continuous heating is whole after mixing to added component, puts into remaining
Component, inflated with nitrogen vacuumize, constant temperature continuous heating 40min-60min, until system is uniform.
If each additional amount of thermoplastic elastomer (TPE) is very little, number, which is added, can become more, because experiment is intermittent reaction, every addition
Raw material can introduce a certain amount of air, and the introducing of air can accelerate to react the aging of raw material, influence properties of product.If
Additional amount of thermoplastic elastomer (TPE) is too many (such as: being added at one time whole thermoplastic elastomer (TPE)s), raw material can uneven heating,
And then phenomena such as causing agglomerating raw material, pole-climbing.Styrene analog thermoplastic elastomer is added in two portions in the present invention.Preferably,
The part styrene analog thermoplastic elastomer SIS being first added accounts for the 50% of whole styrene analog thermoplastic elastomer SIS weight, first
The part styrene analog thermoplastic elastomer SBS of addition accounts for the 50% of whole styrene analog thermoplastic elastomer SBS weight.Both may be used
Generate phenomena such as agglomerating, pole-climbing because of uneven heating in whipping process to avoid raw material, it can also be to avoid the aging of product.
Stirring rate in step (3) is identical as the stirring rate in step (2), is otherwise easy to cause stirring uneven.
In step (5), discharge port temperature maintains 140 DEG C -150 DEG C.
Compared with prior art, the invention has the following advantages that
(1) the disadvantages of that there are ageing properties is poor for adhesive tape glue in the prior art, and adhesion strength is bad, existing adhesive tape hot melt pressure
Quick glue glue is that initial bonding strength (including 180 ° of peeling forces and annular initial bonding strength), holding power and ageing properties these three performances cannot be simultaneously
It has both, causes adhesive tape service performance poor.The present invention provides a kind of adhesive tape hot-fusible pressure-sensitive adhesive, and (initial bonding strength includes annular to initial bonding strength
Initial bonding strength and 180 ° of peeling forces) meet requirement, and holding power height and ageing properties are good.
(2) styrene analog thermoplastic elastomer SIS has cohesive force, adherence, pressure-sensitive, mobility, compatibility good, just
Viscous force (initial bonding strength includes annular initial bonding strength and 180 ° of peeling forces) is not restricted because using the time, substantially excellent without permeability etc.
Benign energy is conducive to the tack of hot-fusible pressure-sensitive adhesive and holds the raising of viscosity.(initial bonding strength includes ring to the initial bonding strength of hot-fusible pressure-sensitive adhesive
Shape initial bonding strength and 180 ° of peeling forces) it is influenced by diblock in SIS, that is, soft segment content, the higher high score of soft segment content
Sub- material can show better viscoplasticity, and the characteristic of viscoelastic is that hot-fusible pressure-sensitive adhesive has sticking basis, then using
The higher SIS of diblock content is beneficial to the raising of initial bonding strength (initial bonding strength includes annular initial bonding strength and 180 ° of peeling forces).This
Outside, diblock content is higher in SIS, and it is fewer to will lead to the high molecular material internal physical to be formed crosslinking, occurs that similar " network lacks
Fall into ", then the compatibility between thermoplastic elastomer (TPE) and tackifying resin is better, the wettability of adhesive is stronger, adhesive
Ductility and mobility are also better, this is also beneficial to obtain higher initial bonding strength, and (initial bonding strength includes annular initial bonding strength and 180 ° of strippings
From power), and SIS diblock content and styrene-content used in the present invention are 20%-28%, are help to obtain higher just viscous
Power (initial bonding strength includes annular initial bonding strength and 180 ° of peeling forces).Holding power is affected by cohesive force, is divided in thermoplastic elastomer (TPE)
Son amount big (i.e. SIS) contributes cohesive force, when elastomer small molecular (i.e. diblock and styrene) content is not high, macromolecular
When (i.e. SIS) content is not low, hot-fusible pressure-sensitive adhesive cohesive strength with higher, product obtains preferable holding power.Because of hot melt
The initial bonding strength (initial bonding strength includes annular initial bonding strength and 180 ° of peeling forces) of pressure sensitive adhesive is mutually restricted with holding power, works as thermoplastic elastic
When diblock content and styrene-content in body SIS are in a medium level respectively, be conducive to the first viscous of hot-fusible pressure-sensitive adhesive
The raising of power (initial bonding strength includes annular initial bonding strength and 180 ° of peeling forces) and holding power.But thermoplastic elastomer (TPE) SIS price compares
Height, thermoplastic elastomer SBS's lower temperature resistance and weatherability are preferable, are conducive to the raising of hot-fusible pressure-sensitive adhesive ageing properties.Therefore, hot
In molten pressure sensitive adhesive manufacturing process, part SIS is replaced with SBS, make hot-fusible pressure-sensitive adhesive initial bonding strength (initial bonding strength include annular initial bonding strength and
180 ° of peeling forces), holding power, ageing properties etc. are improved.
(3) present invention selects suitable Petropols and rosin glycerides as raw material, in both tackifying resins, stone
Oleoresin is mutually compatible with the rubber phase and plastics of thermoplastic elastomer (TPE), and the rubber phase of rosin glycerides and thermoplastic elastomer (TPE) is simultaneous
Hold, the addition of resin helps to improve the annular initial bonding strength and 180 ° of peeling forces of adhesive, but works as the dosage mistake of tackifying resin
Gao Shi, having part tackifying resin cannot be melted by elastomer two-phase, form individual tackifying resin phase, and then make adhesive body
There is imbalance in system, and 180 ° of removing force sharply decline.
(4) selection and proportion of antioxidant: phenylethylene thermoplastic body contains unsaturated bond in hot-fusible pressure-sensitive adhesive, by
Aging phenomenon can occur for the effect to environmental factors such as oxygen, light, heat, and tackifying resin stirs at high temperature, and stability is relatively low, resist
Oxygen agent 1010 is phenolic antioxidant, and the hydrogen atom on phenolic hydroxyl group is detached from from its molecule, reacts with peroxide radical, from
And the Branching stages of chain are destroyed or prevent, while generating the product of stable relatively lower state, irgasfos 168 is Phosphorus antioxidant,
There is the d track for participating in bonding in phosphorus atoms, can with the P Orbital Overlap of adjacent atom and form P π-d pi bond, their common work
With make gluing stability improve.Wherein antioxidant 1010 is very few, and peroxide radical reaction is incomplete, antioxidant 1010 mistake
More, extra antioxidant hinders the interaction force between other components, and the two can reduce adhesive stability, influence adhesive
Various aspects of performance.Irgasfos 168 is smaller to the stability action of adhesive, only plays booster action, thus dosage compared with
It is few.
Specific embodiment
Below with reference to embodiment, the present invention will be further described.
Embodiment 1
A kind of adhesive tape hot-fusible pressure-sensitive adhesive, the component including following parts by weight:
The hot-fusible pressure-sensitive adhesive the preparation method is as follows:
(1) according to embodiment 1, weigh styrene analog thermoplastic elastomer (SIS, SBS), Petropols, rosin glycerides,
Antioxidant 1010, irgasfos 168, naphthenic oil.
(2) stirring rod, thermometer, softening agent are packed into the three-necked flask of clean dry, heating temperature is 130 DEG C, is stirred
Mixing rate is 100r/min.
(3) Petropols are added in step (2) and major-minor antioxidant, inflated with nitrogen vacuumizes, be warming up to 165 DEG C, stirring
Rate is identical as step (1), heating time 40min.
(4) rosin glycerides are added in step (3) reaction vessel, temperature maintains 165 DEG C or so, stirring rate and step
Suddenly (2) are identical, after Petropols whole thawing is uniform to each component, puts into remaining rosin glycerides and account for thermoplastic elastomer (TPE)
(wherein SIS accounts for 50%, SBS and accounts for 50%) 50% thermoplastic elastomer (TPE) of total weight, and continuous heating 45min is stirred evenly.To
Added raw material all after mixing, put into remaining raw material, and inflated with nitrogen vacuumizes, constant temperature continuous heating 60min,
It is uniform to system.
(5) after first product is made, stopping stirring, discharge port temperature maintains 145 DEG C or so, stablizes to reactive material, discharging,
It is cooling.
Wherein: styrene analog thermoplastic elastomer SIS, linear structure, styrene-content 28%, diblock content are
28%.Styrene analog thermoplastic elastomer SBS, hub-and-spoke configuration, styrene-content 32%, diblock content 18%.
Petropols are C5 Petropols, and softening point is 95 DEG C
Rosin glycerides softening point is 90 DEG C.
Embodiment 2
A kind of adhesive tape hot-fusible pressure-sensitive adhesive, the component including following parts by weight:
The hot-fusible pressure-sensitive adhesive the preparation method is as follows:
(1) according to embodiment 2, weigh styrene analog thermoplastic elastomer (SIS, SBS), Petropols, rosin glycerides,
Antioxidant 1010, irgasfos 168, naphthenic oil.
(2) stirring rod, thermometer, softening agent are packed into the three-necked flask of clean dry, heating temperature is 120 DEG C, is stirred
Mixing rate is 100r/min.
(3) Petropols are added in step (2) and major-minor antioxidant, inflated with nitrogen vacuumizes, be warming up to 160 DEG C, stirring
Rate is identical as step (1), heating time 38min.
(4) rosin glycerides are added in step (3) reaction vessel, temperature maintains 165 DEG C or so, stirring rate and step
Suddenly (2) are identical, after Petropols whole thawing is uniform to each component, puts into remaining rosin glycerides and account for thermoplastic elastomer (TPE)
(wherein SIS accounts for 50%, SBS and accounts for 50%) 50% thermoplastic elastomer (TPE) of total weight, and continuous heating 45min is stirred evenly.To
Added raw material all after mixing, put into remaining raw material, and inflated with nitrogen vacuumizes, constant temperature continuous heating 50min,
It is uniform to system.
(5) after first product is made, stopping stirring, discharge port temperature maintains 145 DEG C or so, stablizes to reactive material, discharging,
It is cooling.
Wherein: styrene analog thermoplastic elastomer SIS, linear structure, styrene-content 28%, diblock content are
25%.Styrene analog thermoplastic elastomer SBS, hub-and-spoke configuration, styrene-content 28%, diblock content 15%.
Petropols are C5 Petropols, and softening point is 90 DEG C.
Rosin glycerides softening point is 83 DEG C.
Embodiment 3
A kind of adhesive tape hot-fusible pressure-sensitive adhesive, the component including following parts by weight:
The hot-fusible pressure-sensitive adhesive the preparation method is as follows:
(1) according to embodiment 3, weigh styrene analog thermoplastic elastomer (SIS, SBS), Petropols, rosin glycerides,
Antioxidant 1010, irgasfos 168, naphthenic oil.
(2) stirring rod, thermometer, softening agent are packed into the three-necked flask of clean dry, heating temperature is 120 DEG C, is stirred
Mixing rate is 100r/min.
(3) Petropols are added in step (2) and major-minor antioxidant, inflated with nitrogen vacuumizes, be warming up to 160 DEG C, stirring
Rate is identical as step (1), heating time 40min.
(4) rosin glycerides are added in step (3) reaction vessel, temperature maintains 165 DEG C or so, stirring rate and step
Suddenly (2) are identical, after Petropols whole thawing is uniform to each component, puts into remaining rosin glycerides and account for thermoplastic elastomer (TPE)
(wherein SIS accounts for 50%, SBS and accounts for 50%) 50% thermoplastic elastomer (TPE) of total weight, and continuous heating 45min is stirred evenly.To
Added raw material all after mixing, put into remaining raw material, and inflated with nitrogen vacuumizes, constant temperature continuous heating 45min,
It is uniform to system.
(5) after first product is made, stopping stirring, discharge port temperature maintains 145 DEG C or so, stablizes to reactive material, discharging,
It is cooling.
Wherein: styrene analog thermoplastic elastomer SIS, linear structure, styrene-content 25%, diblock content are
25%.Styrene analog thermoplastic elastomer SBS, hub-and-spoke configuration, styrene-content 30%, diblock content 18%.
Petropols are C5 Petropols, and softening point is 89 DEG C.
Rosin glycerides softening point is 88 DEG C.
Embodiment 4
A kind of adhesive tape hot-fusible pressure-sensitive adhesive, the component including following parts by weight:
The hot-fusible pressure-sensitive adhesive the preparation method is as follows:
(1) according to embodiment 4, weigh styrene analog thermoplastic elastomer (SIS, SBS), Petropols, rosin glycerides,
Antioxidant 1010, irgasfos 168, naphthenic oil.
(2) stirring rod, thermometer, softening agent are packed into the three-necked flask of clean dry, heating temperature is 110 DEG C, is stirred
Mixing rate is 100r/min.
(3) Petropols are added in step (2) and major-minor antioxidant, inflated with nitrogen vacuumizes, be warming up to 165 DEG C, stirring
It is identical as step (1), heating time 35min.
(4) rosin glycerides are added in step (3) reaction vessel, temperature maintains 165 DEG C or so, stirring rate and step
Suddenly (2) are identical, after Petropols whole thawing is uniform to each component, puts into remaining rosin glycerides and account for thermoplastic elastomer (TPE)
(wherein SIS accounts for 50%, SBS and accounts for 50%) 50% thermoplastic elastomer (TPE) of total weight, and continuous heating 45min is stirred evenly.To
Added raw material all after mixing, put into remaining raw material, and inflated with nitrogen vacuumizes, constant temperature continuous heating 40min,
It is uniform to system.
(5) after first product is made, stopping stirring, discharge port temperature maintains 145 DEG C or so, stablizes to reactive material, discharging,
It is cooling.
Wherein: styrene analog thermoplastic elastomer SIS, linear structure, styrene-content 28%, diblock content are
20%.Styrene analog thermoplastic elastomer SBS, hub-and-spoke configuration, styrene-content 28%, diblock content 12%.
Petropols are C5 Petropols, and softening point is 85 DEG C.
Rosin glycerides softening point is 85 DEG C.
Comparative example 1
A kind of label hot-fusible pressure-sensitive adhesive, the component and preparation method of use are same as Example 1, and unique difference exists
In: SBS all in embodiment 1 is changed to SIS.
Comparative example 2
A kind of hot-fusible pressure-sensitive adhesive, the component including following parts by weight:
Preparation method: styrene analog thermoplastic elastomer, Petropols, rosin glycerides, antioxidant, softening agent are weighed.
It is packed into stirring rod, thermometer, naphthenic oil, heating in the reaction vessel.Persistently overheating puts into stone into reaction vessel to 130 DEG C
Oleoresin and antioxidant, vacuumize, persistently overheating.160 DEG C are warming up to, whole rosin glycerides are put into reaction vessel and are accounted for
50% thermoplastic elastomer (TPE) of SIS thermoplastic elastomer (TPE) total weight, continuous heating time are 40min.Stop after the reaction was completed
Stirring discharges after reactive material is stablized, cooling.
Embodiment 1-4 and comparative example the 1-2 label being prepared are tested for the property with hot-fusible pressure-sensitive adhesive:
(1) detection method: annular initial bonding strength proved recipe method is based on GB/T 31125-2014, and peel strength test method is
Based on GB/T 2792-2014, holding power test method is based on GB/T 4851-2014.Ageing properties test is to deposit sample
It is put in 55 DEG C of insulating boxs and saves three weeks, taking out sample after three weeks, (high molecular material saves three weeks at 55 DEG C and is equivalent to 20-25 DEG C
It is saved 2 years under environment).Annular initial bonding strength test, 180 degree peel test force (peel strength test), holding power are carried out to sample
Test, test method is as previously mentioned, the results are shown in Table 1 and table 2.
(2) in table 1,2, annular initial bonding strength value is bigger, illustrates that annular initial bonding strength is higher；180 ° of removing force value are bigger, explanation
Peel strength is higher；Holding power value is bigger, illustrates that holding power is better.
The performance test results before 1 aging of table
2 aged properties test result of table
Claims (10)
1. a kind of adhesive tape hot-fusible pressure-sensitive adhesive, it is characterised in that: including following components: styrene analog thermoplastic elastomer SIS, benzene
Vinyl thermoplastic elastomer SBS, Petropols, rosin glycerides, primary antioxidant, auxiliary anti-oxidant, softening agent；Wherein: benzene second
Ethylenic thermoplastic elastomer SIS is linear structure, styrene-content 20%-28%, diblock content 20%-28%；Benzene
Vinyl thermoplastic elastomer SBS is hub-and-spoke configuration, styrene-content 28%-32%, diblock content 12%-18%.
2. adhesive tape hot-fusible pressure-sensitive adhesive according to claim 1, it is characterised in that: the component including following parts by weight:
35-40 parts of styrene analog thermoplastic elastomer SIS, 4-10 parts of styrene analog thermoplastic elastomer SBS, Petropols 42-50
Part, 8-13 parts of rosin glycerides, 0.1-0.3 parts of primary antioxidant, 0.1-0.3 parts of auxiliary anti-oxidant, 10-15 parts of softening agent.
3. adhesive tape hot-fusible pressure-sensitive adhesive according to claim 1, it is characterised in that: Petropols are C5 Petropols, soft
Changing point is 85 DEG C -95 DEG C；Rosin glycerides softening point is 80 DEG C -90 DEG C.
4. adhesive tape hot-fusible pressure-sensitive adhesive according to claim 1, it is characterised in that: primary antioxidant is antioxidant 1010, auxiliary
Antioxidant is irgasfos 168；Softening agent is naphthenic oil.
5. a kind of preparation method of any adhesive tape hot-fusible pressure-sensitive adhesive of claim 1-4, it is characterised in that: including following
Step:
(1) it is packed into softening agent, heating, stirring in the reaction vessel；
(2) Petropols and primary antioxidant is added in step (1) and auxiliary anti-oxidant, inflated with nitrogen vacuumizes, persistently overheating is stirred
It mixes；
(3) rosin glycerides are added in step (2), puts into styrene analog thermoplastic elastomer by several times, stirs evenly；
(4) after first product is made, stop stirring, stablize to reactive material, discharge, it is cooling.
6. the preparation method of adhesive tape hot-fusible pressure-sensitive adhesive according to claim 5, it is characterised in that: heating in step (1)
Temperature is 110 DEG C -130 DEG C, stirring rate 95-105r/min.
7. the preparation method of adhesive tape hot-fusible pressure-sensitive adhesive according to claim 5, it is characterised in that: in step (2), continue
Heating, stirring are as follows: be warming up to 150 DEG C -165 DEG C, stirring rate is identical as step (1), heating time 35min-40min.
8. the preparation method of adhesive tape hot-fusible pressure-sensitive adhesive according to claim 5, it is characterised in that: step (3) are as follows: in step
Suddenly part rosin glycerides are added in (2), temperature maintains 160 DEG C -170 DEG C, all melts to Petropols equal to each component
After even, remaining rosin glycerides and part styrene analog thermoplastic elastomer SIS, part styrene analog thermoplastic elasticity are put into
Body SBS, continuous heating is whole after mixing to added component, puts into remaining component, inflated with nitrogen vacuumizes, constant temperature
Continuous heating 40min-60min, until system is uniform；The part styrene analog thermoplastic elastomer SIS being first added accounts for whole benzene second
The 50% of ethylenic thermoplastic elastomer SIS weight, the part styrene analog thermoplastic elastomer SBS being first added account for whole styrene
The 50% of analog thermoplastic elastomer SBS weight.
9. the preparation method of adhesive tape hot-fusible pressure-sensitive adhesive according to claim 5, it is characterised in that: stirring in step (3)
It is identical as the stirring rate in step (2) to mix rate.
10. the preparation method of adhesive tape hot-fusible pressure-sensitive adhesive according to claim 5, it is characterised in that: in step (5), out
Material mouth temperature maintains 140 DEG C -150 DEG C.
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Application publication date: 20191112 |