CN109504104A - A kind of thermoplastic elastomer blending material of high adherence and preparation method thereof - Google Patents
A kind of thermoplastic elastomer blending material of high adherence and preparation method thereof Download PDFInfo
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- CN109504104A CN109504104A CN201811298715.4A CN201811298715A CN109504104A CN 109504104 A CN109504104 A CN 109504104A CN 201811298715 A CN201811298715 A CN 201811298715A CN 109504104 A CN109504104 A CN 109504104A
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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
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
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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
Abstract
The present invention discloses a kind of thermoplastic elastomer blending material and preparation method thereof of high adherence, belong to technical field of polymer materials, a kind of technical points are as follows: thermoplastic elastomer blending material of high adherence, component including following parts by weight: 60-80 parts of white oil, thermoplastic elastomer SBS is 30-35 parts, thermoplastic elastomer (TPE) SEBS is 5-10 parts, 10-15 parts of isoprene, 3-5 parts of butyl lithium, 3-5 parts of α-methylstyrene, 2-3 parts of C5 Petropols, 1-3 parts of polystyrene and 1-3 parts of ethylene propylene diene rubber.The present invention can promote the cohesive force of thermoplastic elastomer blending material, and can directly be molded into it in hard material can be bonded together without adhesive with other materials, very convenient laborsaving.Preparation method includes stock, the preparation of mixture one, the modified preparation of SIS thermoplastic elastic of α-methylstyrene, the preparation of mixture two, mixing and extruding pelletization.It is easy to operate, while the cohesive force, water resistance and heat resistance of thermoplastic elastomer blending material can also be improved.
Description
Technical field
The invention belongs to technical field of polymer materials, more specifically, it relates to a kind of thermoplastic elastomehc of high adherence
Property body intermingling material and preparation method thereof.
Background technique
Thermoplastic elastomer (TPE) TPE/TPR, also known as artificial rubber or synthetic rubber.Its product had both had the cross-linking vulcanized rubber of tradition
The high resiliency of glue, ageing-resistant, the every excellent properties of oil resistivity, while, processing method easy to process but also with common plastics is wide
Feature.The production of the processing methods such as injection molding, extrusion, blow molding, 100% direct secondary use after mouth of a river corner crushes can be used.Both simple
Change process, and reduce processing cost, therefore thermoplastic elastomer (TPE) TPE/TPR material has become and replaces the newest of traditional rubber
Material, environmentally friendly, nontoxic, comfortable feel, exquisite appearance, makes product have more intention.It therefore is also more a hommization, Gao Pin
The novel synthetic material and world-accepted standard environment-friendly materials of position, are also put into the emerging manufacturing industry of national strategy.
Wherein, thermoplastic elastomer (TPE) TPE is a kind of thermoplastic elastic material, it is with SEBS (hydrogenated styrene-fourth two
Alkene-styrene block copolymer) it is material made of substrate blending and modifying.It has high intensity, and high resilience can be molded and add
The feature of work, has wide range of applications, and environment-protecting and non-poisonous safety has excellent coloring.And thermoplastic elastomer (TPE) TPR is with SBS (benzene
Ethylene-butadiene-styrene block copolymer), there is environmental protection, free from extraneous odour, can be recycled, for replacing PVC, rubber
(latex/silica gel), and compared to rubber, it is cheap, it is easily processed into type.
But the main binding power of existing thermoplastic elastomer (TPE) derives from thermoplastic elastomer (TPE) itself, at this time bonding effect
It is hard directly cannot to be steadily bonded in PS, ABS, AS, PC etc. during being manufactured for article that is weaker, while making
It on the material of matter, needs the adhesives such as coating glue that can just be fixed at this time, operates relative complex trouble, it is therefore desirable to propose
A kind of new technical solution solves the above problems.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of thermoplastic elastomer (TPE) of high adherence
Intermingling material is able to ascend the cohesive force of thermoplastic elastomer blending material, and thus operator can be directly by thermoplastic elastomer (TPE)
It is moulded on the material of the hard such as PS, ABS, AS, PC, not needing the adhesives such as glue can be with other materials securely, closely
Ground is bonded together, very convenient and laborsaving, while also being had the function of light and environmentally friendly.
To achieve the above object, the present invention provides the following technical scheme that a kind of thermoplastic elastomer (TPE) of high adherence is total
Mixed material, the thermoplastic elastomer blending material includes the component of following parts by weight,
60-80 parts of white oil
30-35 parts of thermoplastic elastomer SBS
5-10 parts of thermoplastic elastomer (TPE) SEBS
10-15 parts of isoprene
3-5 parts of butyl lithium
3-5 parts of α-methylstyrene
2-3 parts of C5 Petropols
1-3 parts of polystyrene
1-3 parts of ethylene propylene diene rubber.
By using above-mentioned technical proposal, α-methylstyrene is added in C5 Petropols can be improved tree according to the ratio
The polarity of rouge, while isoprene be can be used as into chain-transferring agent and control its molecular weight, guaranteeing the same of the preferable viscosity of resin
When can also promote the viscosity of resin, thus facilitate promoted thermoplastic elastomer blending material cohesive force.
Then under the action of butyl lithium (mainly n-BuLi and tert-butyl lithium) is initiator, active anion is utilized
SIS thermoplastic elastic can be prepared as by polymerizeing and generating Multistep feeding method.Wherein, common SIS thermoplastic elastic is styrene-
Isoprene-styrene copolymer, its thermal property are close with SBS, but since itself has unsaturated double-bond,
Its heat resistance and weather resistance is poor, therefore replaces styrene to synthesize SIS Plastic resilient by using α-methylstyrene
Body can the modified SIS thermoplastic elastic of α-methylstyrene, the heat resistance, weather-proof of thermoplastic elastomer blending material can be improved
Performance.In addition, ethylene propylene diene rubber (S-EPDM) can be directly used as TPR use, the additive that also can be used as white oil is used, thus
The heat resistance and weather resistance of thermoplastic elastomer blending material not only can be improved, but also it is total to promote thermoplastic elastomer (TPE)
The cohesive force of mixed material, thus operator can be directly moulded on the material of the hard such as ABS, AS, PC, not need glue etc.
Adhesive can with other materials securely, be closely adhered to together, it is very convenient and laborsaving, at the same also have it is light and
The effect of environmental protection.
The present invention is further arranged to: the thermoplastic elastomer blending material further includes having following at least one:
1-3 parts of carbon black
1-3 parts of nano-zinc oxide powder.
By using above-mentioned technical proposal, the presence of carbon black (main component is activated carbon black) can not only improve thermoplasticity
The dispersion performance of elastomer blended material, principle are as follows: one side carbon black reduces the contact of thermoplastic elastomer blending material
Area, but can increase its strength.When refining glue, one end of strand and carbon black ions binding, the other end increase diffusion, this
Sample is the result is that effectively increase its autohesion.And nanometer ZnO powder is the additive of small molecule, smaller partial size is nanoscale
Not.Nanometer ZnO powder also has certain dispersion performance and mobility as filler material at this time, can not only effectively improve white
The greasy property of oil, and the cohesive force of thermoplastic elastomer blending material can also be promoted.
The present invention is further arranged to: the thermoplastic elastomer blending material further includes having:
3-5 parts of low molecular polyisobutylene adhesive.
By using above-mentioned technical proposal, the addition of low molecular polyisobutylene adhesive PIB can not only be with EPDM
Rubber (S-EPDM) or the modified SIS thermoplastic elastic interaction of α-methylstyrene, to increase thermoplastic elastomer blending
Cohesive force, flexibility and the ageing-resistant performance of material.Secondly, low molecular polyisobutylene adhesives PIB is added in white oil, it can
To improve the adhesion property of white oil, to help to improve the greasy property of lubricating oil.
The present invention is further arranged to: the thermoplastic elastomer blending material further includes having:
5-8 parts of C5/C9 copolymerized petroleum resin.
By using above-mentioned technical proposal, above-mentioned C5/C9 copolymerized petroleum resin be can be used as into tackifier and be added to α-first
In the phenylethene modified SIS Plastic resilient body of base, thus, it is possible to improve the bonding effect of thermoplastic elastomer blending material.
The present invention is further arranged to: the thermoplastic elastomer blending material further includes having following at least one:
1-2 parts of soybean oil base polyol modified polyurethane elastomer
1-2 parts of organic silicon modified polyurethane elastomer.
Since the presence of moisture can generate certain influence to the viscosity of thermoplastic elastomer blending material, by adopting
With above-mentioned technical proposal, wherein soybean oil base polyol modified polyurethane elastomer be using epoxidized soybean oil and methanol as raw material,
Homemade solid acid (SO4 2-/ZrO2-SiO2) it is soybean polylol Soy-190 at catalyst preparation, by itself and petroleum base polyethers
Made from polyalcohol reacts after mixing according to different proportion with isocyanates MDI.It has stronger impact elasticity, stretches by force
Degree, thermal stability, mechanical performance and water resistance.Secondly, organic silicon modified polyurethane elastomer is with polyoxypropyleneglycol
Or polypropylene oxide triol, aminoethylaminopropyl dimethyl silicone polymer, toluene di-isocyanate(TDI) are raw material in solvent-free item
Performed polymer is prepared under part, is curing agent synthesis using dimethyl disulfide toluenediamine.It has preferable mechanical property, heat resistance
Energy and water resistance.
Thus soybean oil base polyol modified polyurethane elastomer, organosilicon are added in thermoplastic elastomer blending material
Any one in modified polyurethane elastomer can be improved its water-fast or hydrophobic performance.
In view of the deficienciess of the prior art, another object of the present invention is to provide a kind of thermoplastic elastomehcs of high adherence
The preparation method of property body intermingling material, it is not only easy to operate, but also can also improve thermoplastic elastomer blending material cohesive force,
Water resistance and heat resistance.
To realize above-mentioned another object, the present invention provides the following technical scheme that a kind of thermoplastic elastic of high adherence
The preparation method of body intermingling material, including following operating procedure,
Step S1, it stocks up: each raw material is sieved to remove bulky grain, successively weigh each component raw material according to the ratio, stand standby
With；
Step S2, the preparation of mixture one: according to the ratio by polystyrene, α-methylstyrene, isoprene and C5 Petropols
It is added in mixer one, 5-10min set aside for use is mixed, obtains mixture one；
Step S3, the preparation of the modified SIS thermoplastic elastic of α-methylstyrene: by butyl lithium, α-methylstyrene and isoamyl two
Alkene is added to according to the ratio in mixer two, and 5-10min set aside for use is mixed, and obtains the modified SIS plasticity of α-methylstyrene
Elastomer；
Step S4, the preparation of mixture two: by thermoplastic elastomer (TPE) SEBS, thermoplastic elastomer SBS, ethylene propylene diene rubber, α-
Methyl styrene is modified SIS thermoplastic elastic, soybean oil base polyol modified polyurethane elastomer, organic silicon modified polyurethane bullet
Property body be added high-speed stirred bucket in, be mixed 5-10min；Carbon black and/or nano-zinc oxide powder is then added, continues to stir
5-10min set aside for use obtains mixture two；
Step S5, mixture one, mixture two and C5/C9 copolymerized petroleum resin mixing: are added to high-speed stirred according to the ratio
In bucket, 5-10min is mixed；Then white oil is slowly added dropwise while stirring, high-efficiency stirring is until uniformly, obtain mixing material；
Step S6, extruding pelletization: mixing material is added in the feed hopper of double screw extruder, is led at being 130-200 DEG C in temperature
Double screw extruder heating melting extruding pelletization is crossed, obtains thermoplastic elastomer blending material after cooling.
By using above-mentioned technical proposal, raw material are sieved first, the lesser raw material of partial size point can be screened out
Thus son can increase the contact area between each molecule, to peomote contacting with each other between raw material.Then use
α-methylstyrene replaces the modified SIS thermoplastic elastic of styrene preparation α-methylstyrene, and the resistance to of its entirety thus can be improved
Heat and weather resistance.Then C5 Petropols are modified using α-methylstyrene and isoprene, obtained mixture
One, the viscosity of resin can also be promoted while guarantee resin preferable polarity, so that it is total to facilitate promotion thermoplastic elastomer (TPE)
The cohesive force of mixed material.In addition, the material of solid-like is mutually mixed, stir evenly, the mixing of material can not only be facilitated, and
And mutually colliding between solid particle and friction can promote the temperature of whole mixture, can not only improve between each material
Mixed effect, and above-mentioned mixing material can also be preheated, accelerate the progress of the extruding pelletization in step S6, saved electricity
Can, while also helping cohesive force, water resistance and the heat resistance for promoting thermoplastic elastomer blending material.
The present invention is further arranged to: in step sl, the mesh number of sieve is 6-8 mesh.
By using above-mentioned technical proposal, use the size of sieve pore that can filter out grain diameter for the sieve of 6-8 mesh to be
Particle within 3.35mm increases the contact area between each molecule, to promote from there through the partial size for reducing raw material
Contacting with each other between raw material, and then help to improve the mixed effect between raw material.
In conclusion the invention has the following advantages:
1, the present invention is able to ascend the cohesive force of thermoplastic elastomer blending material, and thus operator can be directly moulded in
On the material of the hard such as PS, ABS, AS, PC, not needing the adhesives such as glue can securely, closely bond with other materials
Together, very convenient and laborsaving, while also having the function of light and environmentally friendly；
2, optimize, by addition C5 Petropols, C5/C9 copolymerized petroleum resin and carbon black etc., thermoplasticity can be effectively improved
The bonding effect of elastomer blended material；
3, optimize, preparation method of the invention is not only easy to operate, but also can also improve thermoplastic elastomer blending material
Cohesive force, water resistance and heat resistance.
Specific embodiment
Below in conjunction with each embodiment, invention is further described in detail.
Embodiment 1: a kind of thermoplastic elastomer blending material of high adherence, can as folding bathtub for baby,
The main material of the infant articles such as head-shield, cover pocket, it includes the component of parts by weight as shown in Table 1.Preparation method includes
Following operating procedure:
Step S1, it stocks up: each raw material is sieved to remove bulky grain, successively weigh each component raw material according to the ratio, stand standby
With.
Step S2, the preparation of mixture one: polystyrene, α-methylstyrene, isoprene and C5 Petropols are pressed
Proportion is added in mixer one, and 10min set aside for use is mixed, obtains mixture one.
Step S3, the preparation of the modified SIS thermoplastic elastic of α-methylstyrene: by butyl lithium, α-methylstyrene and different
Pentadiene is added to according to the ratio in mixer two, and 10min set aside for use is mixed, and obtains the modified SIS modeling of α-methylstyrene
Property elastomer.
Step S4, the preparation of mixture two: by thermoplastic elastomer (TPE) SEBS, thermoplastic elastomer SBS, ethylene-propylene-diene monomer
It is the modified SIS thermoplastic elastic of glue, α-methylstyrene, soybean oil base polyol modified polyurethane elastomer, organic-silicon-modified poly-
Urethane elastomer is added in high-speed stirred bucket, and 10min is mixed；Carbon black and nano-zinc oxide powder is then added, continues to stir
10min set aside for use is mixed, mixture two is obtained.
Step S5, mixture one, mixture two and C5/C9 copolymerized petroleum resin mixing: are added to high speed according to the ratio
In agitator, 10min is mixed；Then white oil is slowly added dropwise while stirring, high-efficiency stirring is until uniformly, obtain mixing material
Material.
Step S6, extruding pelletization: mixing material is added in the feed hopper of double screw extruder, is 130 DEG C in temperature
Down by double screw extruder heating melting extruding pelletization, thermoplastic elastomer blending material is obtained after cooling.
Embodiment 2-6: a kind of thermoplastic elastomer blending material of high adherence, as shown in table 1, not with embodiment 1
Be with place: the numerical value of the weight percent number of each raw material is different.
The component of the parts by weight of embodiment 1-6 in a kind of thermoplastic elastomer blending material of the high adherence of table 1
Embodiment 7: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that: for
Promote the cohesive force of thermoplastic elastomer blending material, thermoplastic elastomer blending material further includes having: carbon black is 1 part.Its
In, the presence of carbon black (main component is activated carbon black) can not only improve the dispersion performance of thermoplastic elastomer blending material,
Its principle are as follows: one side carbon black reduces the contact area of thermoplastic elastomer blending material, but can increase its strength.Refining glue
When, one end and the carbon black ions binding of strand, the other end increases diffusion, in this way the result is that effectively increasing its self-adhesion
Power.
Embodiment 8: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that: for
Promote the cohesive force of thermoplastic elastomer blending material, thermoplastic elastomer blending material further includes having: carbon black is 3 parts.
Embodiment 9: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that: for
The cohesive force of thermoplastic elastomer blending material is promoted, thermoplastic elastomer blending material further includes having: in order to promote thermoplastic
Property elastomer blended material cohesive force, thermoplastic elastomer blending material further includes having: titanium dioxide is 2 parts.
Embodiment 10: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that:
In order to promote the cohesive force of thermoplastic elastomer blending material, thermoplastic elastomer blending material further includes having: titanium dioxide 1
Part；And 1 part of nano-zinc oxide powder.Wherein, titanium dioxide TiO2 and nanometer ZnO powder are the additive of small molecule, partial size compared with
Small is Nano grade.Titanium dioxide TiO2 and nanometer ZnO powder also have certain dispersion performance and flowing as filler material at this time
Property, the greasy property of white oil can not only be effectively improved, and the cohesive force of thermoplastic elastomer blending material can also be promoted
And its fast shaping time.
Embodiment 11: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that:
In order to promote the cohesive force of thermoplastic elastomer blending material, thermoplastic elastomer blending material further includes having: carbon black 1.5
Part；Nano-zinc oxide powder is 3 parts.
Embodiment 12: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that:
In order to promote the cohesive force of thermoplastic elastomer blending material, thermoplastic elastomer blending material further includes having: low molecular weight polycaprolactone is different
Butylene adhesive is 3 parts.Wherein, the addition of low molecular polyisobutylene adhesive PIB, can not only be with ethylene propylene diene rubber (S-
EPDM) or the modified SIS thermoplastic elastic of α-methylstyrene interacts, to increase the viscous of thermoplastic elastomer blending material
Tie power, flexibility and ageing-resistant performance.Secondly, low molecular polyisobutylene adhesives PIB is added in white oil, can improve white
The adhesion property of oil, to help to improve the greasy property of lubricating oil.
Embodiment 13: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that:
In order to promote the cohesive force of thermoplastic elastomer blending material, thermoplastic elastomer blending material further includes having: low molecular weight polycaprolactone is different
Butylene adhesive is 5 parts.
Embodiment 14: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that:
In order to further increase the bonding effect of thermoplastic elastomer blending material, thermoplastic elastomer blending material further includes having: C5/
C9 copolymerized petroleum resin is 5 parts.Thus above-mentioned C5/C9 copolymerized petroleum resin can be can be used as tackifier and is added to α-by operator
In the modified SIS Plastic resilient body of methyl styrene, thus, it is possible to improve the bonding effect of thermoplastic elastomer blending material.
Embodiment 15: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that:
In order to further increase the bonding effect of thermoplastic elastomer blending material, thermoplastic elastomer blending material further includes having: C5/
C9 copolymerized petroleum resin is 8 parts.
Embodiment 16: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that:
Since the presence of moisture can generate certain influence to the viscosity of thermoplastic elastomer blending material, in order to reduce moisture pair
The influence of thermoplastic elastomer (TPE), thermoplastic elastomer blending material further include having: soybean oil base polyol modification polyurethane elastomer
Body is 2 parts.Wherein, soybean oil base polyol modified polyurethane elastomer be using epoxidized soybean oil and methanol as raw material, it is homemade
Solid acid (SO4 2-/ZrO2-SiO2) it is soybean polylol Soy-190 at catalyst preparation, by itself and petroleum based polyether polyol
Made from reacting after being mixed according to different proportion with isocyanates MDI.It has stronger impact elasticity, tensile strength, heat steady
Qualitative, mechanical performance and water resistance.Thus it is modified poly- that soybean oil base polyol is added in thermoplastic elastomer blending material
Urethane elastomer can be improved its water-fast or hydrophobic performance, to significantly reduce moisture to the shadow of thermoplastic elastomer (TPE)
It rings.
Embodiment 17: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that:
Since the presence of moisture can generate certain influence to the viscosity of thermoplastic elastomer blending material, in order to reduce moisture pair
The influence of thermoplastic elastomer (TPE), thermoplastic elastomer blending material further include having: soybean oil base polyol modification polyurethane elastomer
Body is 1 part.
Embodiment 18: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that:
Since the presence of moisture can generate certain influence to the viscosity of thermoplastic elastomer blending material, in order to reduce moisture pair
The influence of thermoplastic elastomer (TPE), thermoplastic elastomer blending material further include having: organic silicon modified polyurethane elastomer is 1 part.
Wherein, organic silicon modified polyurethane elastomer is with polyoxypropyleneglycol or polypropylene oxide triol, aminoethylaminopropyl
Dimethyl silicone polymer, toluene di-isocyanate(TDI) are that raw material prepares performed polymer under solvent-free conditions, utilize dimethyl disulfide toluene
Diamines is curing agent synthesis.It has preferable mechanical property, heat resistance and water resistance.Thus in thermoplastic elastomer (TPE)
Organic silicon modified polyurethane elastomer is added in intermingling material can be improved its water-fast or hydrophobic performance, to be effectively reduced
Influence of the moisture to thermoplastic elastomer (TPE).
Embodiment 19: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that:
Since the presence of moisture can generate certain influence to the viscosity of thermoplastic elastomer blending material, in order to reduce moisture pair
The influence of thermoplastic elastomer (TPE), thermoplastic elastomer blending material further include having: organic silicon modified polyurethane elastomer is 2 parts.
Embodiment 20: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that:
Since the presence of moisture can generate certain influence to the viscosity of thermoplastic elastomer blending material, in order to reduce moisture pair
The influence of thermoplastic elastomer (TPE), thermoplastic elastomer blending material further include having: EO-PDMS modified polyurethane elastomer is 1 part.
Embodiment 20: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that:
Since the presence of moisture can generate certain influence to the viscosity of thermoplastic elastomer blending material, in order to reduce moisture pair
The influence of thermoplastic elastomer (TPE), thermoplastic elastomer blending material further include having: EO-PDMS modified polyurethane elastomer is 2.5
Part.
Embodiment 21: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that:
Since the presence of moisture can generate certain influence to the viscosity of thermoplastic elastomer blending material, in order to reduce moisture pair
The influence of thermoplastic elastomer (TPE), thermoplastic elastomer blending material further include having:
1.5 parts of soybean oil base polyol modified polyurethane elastomer
1.2 parts of organic silicon modified polyurethane elastomer.
Embodiment 22: a kind of thermoplastic elastomer blending material of high adherence, difference from example 1 is that:
Since the presence of moisture can generate certain influence to the viscosity of thermoplastic elastomer blending material, in order to reduce moisture pair
The influence of thermoplastic elastomer (TPE), thermoplastic elastomer blending material further include having:
1.5 parts of soybean oil base polyol modified polyurethane elastomer
1 part of organic silicon modified polyurethane elastomer.
Embodiment 23: a kind of preparation method of thermoplastic elastomer blending material, the heat of any one in embodiment 1-22
The preparation method that embodiment 16 is stated can be used in thermoplastic elastic intermingling material, and concrete operation step includes:
Step S1, it stocks up: each raw material being sieved to remove bulky grain, the mesh number of sieve is 6-8 mesh；It successively weighs according to the ratio each
Component raw material, stand for standby use.
Step S2, the preparation of mixture one: polystyrene, α-methylstyrene, isoprene and C5 Petropols are pressed
Proportion is added in mixer one, and 5min set aside for use is mixed, obtains mixture one.
Step S3, the preparation of the modified SIS thermoplastic elastic of α-methylstyrene: by butyl lithium, α-methylstyrene and different
Pentadiene is added to according to the ratio in mixer two, and 5min set aside for use is mixed, and obtains the modified SIS plasticity of α-methylstyrene
Elastomer.
Step S4, the preparation of mixture two: by thermoplastic elastomer (TPE) SEBS, thermoplastic elastomer SBS, ethylene-propylene-diene monomer
It is the modified SIS thermoplastic elastic of glue, α-methylstyrene, soybean oil base polyol modified polyurethane elastomer, organic-silicon-modified poly-
Urethane elastomer is added in high-speed stirred bucket, and 5min is mixed；Carbon black or nano-zinc oxide powder is then added, continues to stir
5min set aside for use obtains mixture two.
Step S5, mixture one, mixture two and C5/C9 copolymerized petroleum resin mixing: are added to high speed according to the ratio
In agitator, 5min is mixed；Then white oil is slowly added dropwise while stirring, high-efficiency stirring is until uniformly, obtain mixing material.
Step S6, extruding pelletization: mixing material is added in the feed hopper of double screw extruder, is 200 DEG C in temperature
Down by double screw extruder heating melting extruding pelletization, thermoplastic elastomer blending material is obtained after cooling.
Test one: performance characterization
Subjects: embodiment 1-22 is as test specimen 1-22；Commercial samples 1-2 1-2 as a comparison sample.
Test method: being all made of the sample that preparation method described in embodiment 23 is made 1 square metre respectively for test specimen 1-22,
Its caking property is detected according to following specific method: 1 square metre of sample of test specimen 1-22 is bonded in 1 square metre of PS first
On hard plate, stands and place 30 minutes, respectively obtain combined sample 1-22；Then at room temperature, on general-purpose puller system
It is tested, when testing 180 degree peeling force to indicate caking property, not mobile fixture and the Movable clamp difference of general-purpose puller system
Clamp the both ends of 1 square metre of sample, puller system is according to pre-set program mobile Movable clamp when test, and respectively
Observe the variation of pull-up curve.When test specimen 1-22 is peeling-off between PS hard plate respectively or tearing, curve at this time
Become pulling force substantially not as change in displacement or curve interrupt, i.e. the pulling force stripping that is indicated as thermoplastic elastomer blending material
From power.The removing of sample is carried out close to 180 degree when test, and test result is that removing unit of force is kg/cm
(width), for the practical effect for reaching product, it is acceptable cohesive force that peeling force, which is more than or equal to 0.5kg/cm,.Rebound
Property test be on 1 square metre be previously obtained of combined sample 1-22, at room temperature by the weight of 100g (irony sliding weight of steelyard) detain
It is pressed on combined sample 1-22, it is desirable that weight is directly contacted with test specimen 1-22 respectively, observes Composite sample after withholding 12 hours
The resilience of product, and record data.
Test result: as shown in table 2, the cohesive force of test specimen 1-22 is much larger than commercially available randomly selected sample, and its
Resilience is also better than commercially available randomly selected sample.
The bonding force and resilience testing result of table 2 test specimen 1-22 and commercial samples 1-2
| Cohesive force kg/cm | Resilience | |
| Test specimen 1 | 2.6 | It is complete to restore, without obvious impression |
| Test specimen 2 | 2.5 | It is complete to restore, without obvious impression |
| Test specimen 3 | 2.6 | It is complete to restore, without obvious impression |
| Test specimen 4 | 2.5 | It is complete to restore, without obvious impression |
| Test specimen 5 | 2.3 | It is complete to restore, without obvious impression |
| Test specimen 6 | 2 | It is complete to restore, without obvious impression |
| Test specimen 7 | 2 | It is complete to restore, without obvious impression |
| Test specimen 8 | 2.3 | It is complete to restore, without obvious impression |
| Test specimen 9 | 2.8 | It is complete to restore, without obvious impression |
| Test specimen 10 | 2.1 | It is complete to restore, without obvious impression |
| Test specimen 11 | 2 | It is complete to restore, without obvious impression |
| Test specimen 12 | 2.8 | It is complete to restore, without obvious impression |
| Test specimen 13 | 2.7 | It is complete to restore, without obvious impression |
| Test specimen 14 | 2.3 | It is complete to restore, without obvious impression |
| Test specimen 15 | 2.2 | It is complete to restore, without obvious impression |
| Test specimen 16 | 2 | It is complete to restore, without obvious impression |
| Test specimen 17 | 2 | It is complete to restore, without obvious impression |
| Test specimen 18 | 3.1 | It is complete to restore, without obvious impression |
| Test specimen 19 | 2.9 | It is complete to restore, without obvious impression |
| Test specimen 20 | 3 | It is complete to restore, without obvious impression |
| Test specimen 21 | 3.2 | It is complete to restore, without obvious impression |
| Test specimen 22 | 2.6 | It is complete to restore, without obvious impression |
| Commercial samples 1 | 1.8 | It is complete to restore, without obvious impression |
| Commercial samples 2 | 1.7 | It is complete to restore, there is unconspicuous impression |
Specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
It can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as in this hair
All by the protection of Patent Law in bright scope of the claims.
Claims (7)
1. a kind of thermoplastic elastomer blending material of high adherence, it is characterised in that: the thermoplastic elastomer blending material
Component including following parts by weight,
60-80 parts of white oil
30-35 parts of thermoplastic elastomer SBS
5-10 parts of thermoplastic elastomer (TPE) SEBS
10-15 parts of isoprene
3-5 parts of butyl lithium
3-5 parts of α-methylstyrene
2-3 parts of C5 Petropols
1-3 parts of polystyrene
1-3 parts of ethylene propylene diene rubber.
2. a kind of thermoplastic elastomer blending material of high adherence according to claim 1, it is characterised in that: the heat
Thermoplastic elastic intermingling material further includes having following at least one:
1-3 parts of carbon black
1-3 parts of nano-zinc oxide powder.
3. a kind of thermoplastic elastomer blending material of high adherence according to claim 2, it is characterised in that: the heat
Thermoplastic elastic intermingling material further includes having:
3-5 parts of low molecular polyisobutylene adhesive.
4. a kind of thermoplastic elastomer blending material of high adherence according to claim 3, it is characterised in that: the heat
Thermoplastic elastic intermingling material further includes having:
5-8 parts of C5/C9 copolymerized petroleum resin.
5. a kind of thermoplastic elastomer blending material of high adherence according to claim 4, it is characterised in that: the heat
Thermoplastic elastic intermingling material further includes having following at least one:
1-2 parts of soybean oil base polyol modified polyurethane elastomer
1-2 parts of organic silicon modified polyurethane elastomer.
6. a kind of preparation method of the thermoplastic elastomer blending material of high adherence, it is characterised in that: including operating step as follows
Suddenly,
Step S1, it stocks up: each raw material is sieved to remove bulky grain, successively weigh each component raw material according to the ratio, stand standby
With；
Step S2, the preparation of mixture one: according to the ratio by polystyrene, α-methylstyrene, isoprene and C5 Petropols
It is added in mixer one, 5-10min set aside for use is mixed, obtains mixture one；
Step S3, the preparation of the modified SIS thermoplastic elastic of α-methylstyrene: by butyl lithium, α-methylstyrene and isoamyl two
Alkene is added to according to the ratio in mixer two, and 5-10min set aside for use is mixed, and obtains the modified SIS plasticity of α-methylstyrene
Elastomer；
Step S4, the preparation of mixture two: by thermoplastic elastomer (TPE) SEBS, thermoplastic elastomer SBS, ethylene propylene diene rubber, α-
Methyl styrene is modified SIS thermoplastic elastic, soybean oil base polyol modified polyurethane elastomer, organic silicon modified polyurethane bullet
Property body be added high-speed stirred bucket in, be mixed 5-10min；Carbon black and/or nano-zinc oxide powder is then added, continues to stir
5-10min set aside for use obtains mixture two；
Step S5, mixture one, mixture two and C5/C9 copolymerized petroleum resin mixing: are added to high-speed stirred according to the ratio
In bucket, 5-10min is mixed；Then white oil is slowly added dropwise while stirring, high-efficiency stirring is until uniformly, obtain mixing material；
Step S6, extruding pelletization: mixing material is added in the feed hopper of double screw extruder, is 130-200 DEG C in temperature
Down by double screw extruder heating melting extruding pelletization, thermoplastic elastomer blending material is obtained after cooling.
7. a kind of preparation method of the thermoplastic elastomer blending material of high adherence according to claim 6, feature
Be: in step sl, the mesh number of sieve is 6-8 mesh.
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| CN117467234B (en) * | 2023-11-23 | 2024-04-16 | 广东东大科技有限公司 | Low-compression permanent deformation styrene thermoplastic elastomer and preparation method thereof |
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