CN108359151A - A kind of composition for thermoplastic elastomer and preparation method thereof - Google Patents
A kind of composition for thermoplastic elastomer and preparation method thereof Download PDFInfo
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- CN108359151A CN108359151A CN201810111260.4A CN201810111260A CN108359151A CN 108359151 A CN108359151 A CN 108359151A CN 201810111260 A CN201810111260 A CN 201810111260A CN 108359151 A CN108359151 A CN 108359151A
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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
- C08L15/00—Compositions of rubber derivatives
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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
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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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Abstract
The invention discloses a kind of composition for thermoplastic elastomer and preparation method thereof, are related to thermoplastic elastomer (TPE) technical field, are calculated in mass percent, including following raw material：25~45% hydrogenated styrene-butadiene rubber, 5~15% SBS, 2~8% SEBS, 15~35% naphthenic oil, 5~15% polystyrene, 5~12% lubricant, 2~8% filler, 0.5~1.5% crosslinking agent, 0.2~0.7% processing aid；By raw material after uniform stirring mixes, squeezed out again by double screw extruder, tie rod, cooling, granulation, make its thermoplastic elastomer (TPE) particle have color inhibition, dimensional stability, heat resistance and processability performance, and by the way that corresponding product is made have the effect of having no irritating odor, anti-aging, hydrolysis, environmental protection and weatherability.
Description
Technical field
The present invention relates to thermoplastic elastomer (TPE) technical fields, more specifically, it relates to which a kind of thermoplastic elastomer (TPE) combines
Object and preparation method thereof.
Background technology
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, blowing, 100% direct secondary use after mouth of a river corner crushes can be used；Both simplified
Process, and processing cost is reduced, therefore thermoplastic elastomer (TPE) TPE/TPR materials have become the most green wood of the traditional rubber of substitution
Material, environmentally friendly, nontoxic, comfortable feel, exquisite appearance make product have more intention.Therefore it is also more hommization, a high-grade
Novel synthetic material and globalization standard environment-friendly materials.
However, existing thermoplastic elastomer (TPE), temperature in use is at 60 DEG C hereinafter, at a higher temperature for some needs
When the product used, especially bathroom shower product, existing technology cannot be met the requirements.
Invention content
In view of the deficienciess of the prior art, purpose of the present invention one is to provide a kind of thermoplastic elastomer (TPE) combination
Object has the function of improving its against weather and stability.
To achieve the above object, the present invention provides following technical solutions：
A kind of composition for thermoplastic elastomer, is calculated in mass percent, including following raw material：25~45% hydrogenated styrene-butadiene rubber,
5~15% SBS, 2~8% SEBS, 15~35% naphthenic oil, 5~15% polystyrene, 5~12% lubricant, 2~8%
Filler, 0.5~1.5% crosslinking agent, 0.1~0.3% toughener, 0.1~0.25% anti-oxidant auxiliary agent, 0.1~0.25%
Antiager.
So set, hydrogenated styrene-butadiene rubber is the butadiene-styrene rubber after hydrogenation, its main chain double bond is made to open, performance with it is common
Butadiene-styrene rubber is improved in heat-resisting, ageing resistance, cold resistance, wearability, thus based on obtained composition it is anti-aging, wear-resisting
Etc. performances；SBS has the characteristic of plastics and rubber concurrently, have excellent tensile strength, big surface friction coefficient, low temperature performance well,
The characteristics such as processing performance is good, by the cryogenic property and impact strength that can obviously improve composition article with polystyrene blend；
SEBS is using polystyrene as end segment, and the ethylene-butene copolymer obtained using polybutadiene plus hydrogen is intermediate elastic block
Linear tri-block copolymer, therefore SEBS is free of unsaturated double-bond, makes it have good stability and resistance to ag(e)ing；Naphthenic oil has
There is saturated cyclic carbon-chain structure, has the characteristics that low pour point, high density, high viscosity, has no toxic side effect, and connect on its ring
Then it is saturated branch, because this structure makes the naphthenic oil not only some properties with arene, but also the part with straight-chain hydrocarbons
Property, with hydrogenated styrene-butadiene rubber, SBS, SEBS and the excellent compatibility of polystyrene, improve the stability of composition after mixing
With compatibility.Mutual fusion when lubricant between each substance convenient for mixing and mobility, reduce froth pulp, make composition
Its Forming Quality is improved after molding；Filler can play reinforcing effect, at the same after coordinating crosslinking agent to improve mixing composition it is viscous
Property；The addition of toughener can make up composition after reinforcement, brittleness problem bigger than normal, improve SBS and mixed with polystyrene
Impact strength afterwards；After anti-oxidant auxiliary agent, antiager are mixed with SEBS, make its composition for thermoplastic elastomer have compared with
Good UV stable, antioxidant and thermal stability；Therefore composition for thermoplastic elastomer made of has good resistance to Huang
Change, dimensional stability, heat resistance and processability performance, and have by the way that corresponding product is made and have no irritating odor, resist
Aging, hydrolysis, environmental protection and weatherability effect.
Further setting：It is calculated in mass percent, including following raw material：30~40% hydrogenated styrene-butadiene rubber, 7~12%
SBS, 3~6% SEBS, 20~30% naphthenic oil, 7~12% polystyrene, 6~10% lubricant, 3~6% filler,
0.6~1.2% crosslinking agent, 0.15~0.25% toughener, 0.12~0.23% anti-oxidant auxiliary agent, 0.12~0.23% it is resistance to
Aging auxiliary agent.
Further setting：The anti-oxidant auxiliary agent is antioxidant 1098, antioxidant 245, irgasfos 168, thio-2 acid
Any one or more in the double lauryls of double octadecyl esters, thio-2 acid；The antiager is UV absorbers UV-
9, any one in UV absorbers UWP-327, light stabilizer AM101, light stabilizer GW-510, light stabilizer 744 or
It is a variety of；The toughener be four acicular type zinc oxide crystal whisker or polyamide any one or more.
So set, antioxidant 1098, antioxidant 245, irgasfos 168, thio-2 acid double octadecyl ester, thio-2 acids
In the presence of double lauryls are only a small amount of in polymeric system, it can delay or inhibit the progress of polymer oxidation process, to hinder
Only the aging of composition for thermoplastic elastomer and extend its service life；UV absorbers UV-9, UV absorbers UWP-
327, it is 270-380 nanometers that light stabilizer AM101, light stabilizer GW-510, light stabilizer 744, which can effectively absorb wavelength,
Ultraviolet light makes its composition for thermoplastic elastomer have both long-acting antioxygen, yellowing-resistant effect propety.
Further setting：The SBS is to inhale the finished product glue for having 30% naphthenic oil.
So set, SBS can have an excellent tensile strength with the contacts such as water, weak acid, alkali, big surface friction coefficient,
Low temperature performance well, excellent electrical properties, the characteristics such as processing performance is good, by the way that SBS is adsorbed with 30% naphthenic oil, using in naphthenic oil
The some properties of the saturation branch and straight-chain hydrocarbons that are connected on ring, improve the plasticity and elasticity of composition for thermoplastic elastomer.
Further setting：The SEBS is that any one or two kinds in star-like SEBS resins or line style SEBS resins are mixed
It closes.
So set, star-like SEBS resins and line style SEBS resins all have good stability, resistance to ag(e)ing, weather-proof
Property, heat resistance, compression resistant morphotropism and excellent mechanical property, that improves composition for thermoplastic elastomer has plasticity and height
Elasticity.
Further setting：The kinematic viscosity of the naphthenic oil is 100m2/ s, and color inhibition grade is more than the naphthenic base of 4 Grade
One or both of white oil, paraffinic base white oil mix.
So set, naphthenic base white oil and paraffinic base white oil all have with the good compatibility of rubber, suitably moving
Viscosity has the characteristics that good low irritability and closure, improves the anti-yellowing property of composition for thermoplastic elastomer.
Further setting：The polystyrene is transparent GPPS, and melt index is between 8~10.
So set, transparent GPPS has excellent rigidity, electric property and printing performance, especially good health
Property, inexpensive, water absorption rate is low so that composition for thermoplastic elastomer remains to keep its mechanical property and size steady in wet environment
It is qualitative.
Further setting：The filler be calcium carbonate powder, barium sulfate talcum powder, mica powder, in attapulgite wherein
One or more mixing.
So set, calcium carbonate powder, barium sulfate talcum powder, mica powder, attapulgite make thermoplastic elastomer (TPE) after being added
Composition all has that high resilience, flexible, wear resistence, wearability is good, high temperature insulation, is insoluble in acid-base solution, chemical property
The feature of stabilization.
Further setting：The crosslinking agent is one in cumyl peroxide, the different interior base benzene of dual-tert-butyl peroxidating two
Kind or two kinds of mixing.
So set, thermoplastic elastomer (TPE) can be improved in cumyl peroxide, the different interior base benzene of dual-tert-butyl peroxidating two
The heat resistance and resistance to ag(e)ing of composition.
Another object of the present invention is to provide a kind of preparation methods of composition for thermoplastic elastomer, and having raising, it adds
The effect of work performance.
A kind of preparation method of ardent hope property elastomer resin, includes the following steps：
S1, respectively by it is above-mentioned it is each proportioning take material component, first by hydrogenated styrene-butadiene rubber, SEBS, SBS and naphthenic oil be added band heating
Spice bucket in uniformly mix 60~100min, obtain mixture；
Polystyrene, filler, lubricant, processing aid, crosslinking agent are added in S2, the mixture obtained again to S1, and mixes equal
It is even to obtain composition；
S3, composition is poured into double screw extruder squeezed out, tie rod, cooling, granulation, and the extrusion temperature of double screw extruder
Degree is 190~230 DEG C.
So set, by the way that first hydrogenated styrene-butadiene rubber, SEBS, SBS and naphthenic oil are added in the spice bucket with heating
Even mixing makes its initial material be uniformly mixed and improves the compatibility of basic material；Simultaneously by polystyrene, filler, profit
Lubrication prescription, processing aid, crosslinking agent separately mix, and avoid contact in time course, reduce the probability that gel generates, avoid gel pair
Process impacts, and improves ratio of briquetting and processability, the composition for thermoplastic elastomer made from the preparation method,
Performance with color inhibition, dimensional stability, heat resistance and processability, and by the way that corresponding product is made with nonirritant
The effect of smell, anti-aging, hydrolysis, environmental protection and weatherability.
By using above-mentioned technical proposal, the present invention compares has the following advantages compared with the prior art：
1, present invention processing composition for thermoplastic elastomer obtained significantly improves the color inhibition of thermoplastic elastomer (TPE), dimensionally stable
Property, heat resistance, processability；
2, the weathering performance of present invention processing composition for thermoplastic elastomer obtained, and it is existing without blistering in use
As, it has no irritating odor, environmental protection.
Specific implementation mode
Composition for thermoplastic elastomer and preparation method thereof is described further below.
Embodiment 1：A kind of composition for thermoplastic elastomer, 25% hydrogenated styrene-butadiene rubber, 5% SBS, 2% SEBS, 15%
Naphthenic oil, 5% polystyrene, 5% lubricant, 2% filler, 0.5% crosslinking agent, 0.1% toughener, 0.1% it is anti-
Oxidation promoter, 0.1% antiager.
Wherein, anti-oxidant auxiliary agent is antioxidant 1098；Antiager is UV absorbers UV-9；Toughener is four needles
Shape ZnOw；SBS is to inhale the finished product glue for having 30% naphthenic oil；SEBS is star-like SEBS resins；The kinematic viscosity of naphthenic oil is
100m2/ s, and color inhibition grade is more than the naphthenic base white oil of 4 Grade；Polystyrene is transparent GPPS, and melt index is 8；Lubrication
Agent is fatty acid amide；Filler is calcium carbonate powder；Crosslinking agent is cumyl peroxide.
The preparation method of above-mentioned composition for thermoplastic elastomer, includes the following steps：
S1, material component is taken by above-mentioned each proportioning, hydrogenated styrene-butadiene rubber, star-like SEBS resins, suction is first had into 30% naphthenic oil
SBS and naphthenic base white oil, which are added in the spice bucket with heating, uniformly mixes 60min, obtains mixture；
It is brilliant that polystyrene, calcium carbonate powder, fatty acid amide, four-needle-like zinc oxide are added in S2, the mixture obtained again to S1
Palpus, antioxidant 1098, UV absorbers UV-9 and cumyl peroxide, and be uniformly mixed and obtain composition；
S3, composition is poured into double screw extruder squeezed out, tie rod, cooling, granulation, and the extrusion temperature of double screw extruder
Degree is 190 DEG C, and double screw extruder draw ratio is 48:1.
Embodiment 2：A kind of composition for thermoplastic elastomer, is calculated in mass percent, including following raw material：30% hydrogenation
Butadiene-styrene rubber, 7% SBS, 3% SEBS, 20% naphthenic oil, 7% polystyrene, 6% lubricant, 3% filler, 0.6%
Crosslinking agent, 0.15% toughener, 0.12% anti-oxidant auxiliary agent, 0.12% antiager.
Wherein, anti-oxidant auxiliary agent is antioxidant 245；Antiager is UV absorbers UWP-327；Toughener is poly-
Amide resin；SBS is to inhale the finished product glue for having 30% naphthenic oil；SEBS is line style SEBS resins；The kinematic viscosity of naphthenic oil is
100m2/ s, and color inhibition grade is more than the paraffinic base white oil of 4 Grade；Polystyrene is transparent GPPS, and melt index is 8；Lubrication
Agent is silicone oil；Filler is barium sulfate talcum powder；Crosslinking agent is the different interior base benzene of dual-tert-butyl peroxidating two.
The preparation method of above-mentioned composition for thermoplastic elastomer, includes the following steps：
S1, material component is taken by above-mentioned each proportioning, hydrogenated styrene-butadiene rubber, line style SEBS resins, suction is first had into 30% naphthenic oil
SBS and paraffinic base white oil, which are added in the spice bucket with heating, uniformly mixes 70min, obtains mixture；
Polystyrene is added in S2, the mixture obtained again to S1, barium sulfate talcum powder, silicone oil, four acicular type zinc oxide crystal whisker, resists
Oxygen agent 245, UV absorbers UWP-327 and the different interior base benzene of dual-tert-butyl peroxidating two, and be uniformly mixed and obtain composition；
S3, composition is poured into double screw extruder squeezed out, tie rod, cooling, granulation, and the extrusion temperature of double screw extruder
Degree is 200 DEG C, and double screw extruder draw ratio is 48:1.
Embodiment 3：A kind of composition for thermoplastic elastomer, is calculated in mass percent, including following raw material：35% hydrogenation
Butadiene-styrene rubber, 10% SBS, 5% SEBS, 25% naphthenic oil, 10% polystyrene, 8% lubricant, 4% filler, 1%
Crosslinking agent, 0.2% toughener, 0.17% anti-oxidant auxiliary agent, 0.17% antiager.
Wherein, anti-oxidant auxiliary agent is irgasfos 168；Antiager is light stabilizer AM101；Toughener is four needle-shaped oxygen
Change zinc whisker；SBS is to inhale the finished product glue for having 30% naphthenic oil；SEBS is star-like SEBS resins；The kinematic viscosity of naphthenic oil is
100m2/ s, and color inhibition grade is more than the naphthenic base white oil of 4 Grade；Polystyrene is transparent GPPS, and melt index is 9；Lubrication
Agent is fatty acid amide；Filler is mica powder；Crosslinking agent is cumyl peroxide.
The preparation method of above-mentioned composition for thermoplastic elastomer, includes the following steps：
S1, material component is taken by above-mentioned each proportioning, hydrogenated styrene-butadiene rubber, star-like SEBS resins, suction is first had into 30% naphthenic oil
SBS and naphthenic base white oil, which are added in the spice bucket with heating, uniformly mixes 80min, obtains mixture；
Polystyrene is added in S2, the mixture obtained again to S1, mica powder, fatty acid amide, four acicular type zinc oxide crystal whisker, resists
Oxygen agent 168, light stabilizer AM101 and cumyl peroxide, and be uniformly mixed and obtain composition；
S3, composition is poured into double screw extruder squeezed out, tie rod, cooling, granulation, and the extrusion temperature of double screw extruder
Degree is 210 DEG C, and double screw extruder draw ratio is 48:1.
Embodiment 4：A kind of composition for thermoplastic elastomer, is calculated in mass percent, including following raw material：40% hydrogenation
Butadiene-styrene rubber, 12% SBS, 6% SEBS, 30% naphthenic oil, 12% polystyrene, 10% lubricant, 6% filler,
1.2% crosslinking agent, 0.25% toughener, 0.25% anti-oxidant auxiliary agent, 0.23% antiager.
Wherein, anti-oxidant auxiliary agent is the double octadecyl esters of thio-2 acid；Antiager is light stabilizer GW-510；Toughener
For polyamide；SBS is to inhale the finished product glue for having 30% naphthenic oil；SEBS is line style SEBS resins；The kinematic viscosity of naphthenic oil is
100m2/ s, and color inhibition grade is more than the paraffinic base white oil of 4 Grade；Polystyrene is transparent GPPS, and melt index is 9；Lubrication
Agent is silicone oil；Filler is attapulgite；Crosslinking agent is the different interior base benzene of dual-tert-butyl peroxidating two.
The preparation method of above-mentioned composition for thermoplastic elastomer, includes the following steps：
S1, material component is taken by above-mentioned each proportioning, hydrogenated styrene-butadiene rubber, line style SEBS resins, suction is first had into 30% naphthenic oil
SBS and paraffinic base white oil, which are added in the spice bucket with heating, uniformly mixes 90min, obtains mixture；
Polystyrene, attapulgite, silicone oil, four acicular type zinc oxide crystal whisker, thio two are added in S2, the mixture obtained again to S1
The double octadecyl esters of propionic acid, light stabilizer GW-510 and the different interior base benzene of dual-tert-butyl peroxidating two, and be uniformly mixed and obtain composition；
S3, composition is poured into double screw extruder squeezed out, tie rod, cooling, granulation, and the extrusion temperature of double screw extruder
Degree is 220 DEG C, and double screw extruder draw ratio is 48:1.
Embodiment 5：A kind of composition for thermoplastic elastomer, is calculated in mass percent, including following raw material：45% hydrogenation
Butadiene-styrene rubber, 15% SBS, 8% SEBS, 35% naphthenic oil, 15% polystyrene, 12% lubricant, 8% filler,
1.5% crosslinking agent, 0.3% toughener, 0.25% anti-oxidant auxiliary agent, 0.25% antiager.
Wherein, anti-oxidant auxiliary agent is the double lauryls of thio-2 acid；Antiager is light stabilizer 744；Toughener is
Four acicular type zinc oxide crystal whisker；SBS is to inhale the finished product glue for having 30% naphthenic oil；SEBS is star-like SEBS resins；The movement of naphthenic oil is viscous
Degree is 100m2/ s, and color inhibition grade is more than the naphthenic base white oil of 4 Grade；Polystyrene is transparent GPPS, and melt index exists
10；Lubricant is fatty acid amide；Filler is calcium carbonate powder；Crosslinking agent is cumyl peroxide.
The preparation method of above-mentioned composition for thermoplastic elastomer, includes the following steps：
S1, material component is taken by above-mentioned each proportioning, hydrogenated styrene-butadiene rubber, star-like SEBS resins, suction is first had into 30% naphthenic oil
SBS and naphthenic base white oil, which are added in the spice bucket with heating, uniformly mixes 100min, obtains mixture；
It is brilliant that polystyrene, calcium carbonate powder, fatty acid amide, four-needle-like zinc oxide are added in S2, the mixture obtained again to S1
The double lauryls of palpus, thio-2 acid, light stabilizer 744 and cumyl peroxide, and be uniformly mixed and obtain composition；
S3, composition is poured into double screw extruder squeezed out, tie rod, cooling, granulation, and the extrusion temperature of double screw extruder
Degree is 230 DEG C, and double screw extruder draw ratio is 48:1.
Properties of product testing experiment：
Subjects：Using composition for thermoplastic elastomer particle in above-mentioned Examples 1 to 5 as test sample, with traditional on the market
Thermoplastic elastomer (TPE) particle is the sample as a contrast of comparative example 6.
Content of the test：
（1）According to standard（ASTM D2240）Defined method carries out shore hardness test, unit A；
（2）According to standard（ASTM D 955-08）Defined method carries out specific weight determine, unit g/cm3；
（3）According to standard（ASTM D 395B）Defined method carries out compressive deformation room temperature and tests for 22 hours, unit %；
（4）According to standard（ASTM D1238）Defined method carries out melt flow, unit g/10min；
（5）According to standard（GB/T528-1998）Defined method carries out elongation at break test, unit %；
（6）According to standard（GB/T528-1998）Defined method carries out tensile strength test, unit MPa.
Test result：As shown in the table：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 6 | |
| Shore hardness | 53 | 54 | 56 | 55 | 53 | 42 |
| Proportion | 0.97 | 0.95 | 0.96 | 0.98 | 1.0 | 1.25 |
| Compressive deformation room temperature is tested for 22 hours | 12.1 | 12.0 | 11.8 | 11.9 | 12.2 | 15.2 |
| Melt flow | 11 | 11.5 | 12 | 11.7 | 11.3 | 8.7 |
| Elongation at break | 470 | 450 | 440 | 450 | 460 | 550 |
| Tensile strength | 4.2 | 4.8 | 5.6 | 5.3 | 4.6 | 3.3 |
To sum up, there is excellent mechanical performance by composition for thermoplastic elastomer particle made from 1~embodiment of embodiment 5,
Compared with comparative example 6, have that shore hardness is high, proportion is small, restorability is good in the test in 22 hours of compressive deformation room temperature, melt
The advantage that flow velocity is fast, elongation at break is small and tensile strength is high.
Embodiment 7：Particle obtained in embodiment 1 is put into shower model heat by a kind of bathroom gondola water faucet water outlet rubber
It being moulded into type, using computer injection molding machine, sets melt zone, i.e. front-end temperature is 170~175 DEG C, and stage casing temperature is 175~185 DEG C,
Back segment temperature is 180~190 DEG C, using injection pressure（3~5kPa）It is 35~45rpm with screw speed；Product is finally obtained,
Product is impregnated into 3min in 70 DEG C of hot water after taking-up, waits for that room temperature cools down, and a diameter of 15cm, thickness 0.8cm is made in product
Water outlet sheet rubber.
Embodiment 8：Particle obtained in embodiment 2 is put into shower model heat by a kind of bathroom gondola water faucet water outlet rubber
It being moulded into type, using computer injection molding machine, sets melt zone, i.e. front-end temperature is 170~175 DEG C, and stage casing temperature is 175~185 DEG C,
Back segment temperature is 180~190 DEG C, using injection pressure（3~5kPa）It is 35~45rpm with screw speed；Product is finally obtained,
Product is impregnated into 3min in 70 DEG C of hot water after taking-up, waits for that room temperature cools down, and a diameter of 15cm, thickness 0.8cm is made in product
Water outlet sheet rubber.
Embodiment 9：Particle obtained in embodiment 3 is put into shower model heat by a kind of bathroom gondola water faucet water outlet rubber
It being moulded into type, using computer injection molding machine, sets melt zone, i.e. front-end temperature is 170~175 DEG C, and stage casing temperature is 175~185 DEG C,
Back segment temperature is 180~190 DEG C, using injection pressure（3~5kPa）It is 35~45rpm with screw speed；Product is finally obtained,
Product is impregnated into 3min in 70 DEG C of hot water after taking-up, waits for that room temperature cools down, and a diameter of 15cm, thickness 0.8cm is made in product
Water outlet sheet rubber.
Embodiment 10：Particle obtained in embodiment 4 is put into shower model heat by a kind of bathroom gondola water faucet water outlet rubber
It being moulded into type, using computer injection molding machine, sets melt zone, i.e. front-end temperature is 170~175 DEG C, and stage casing temperature is 175~185 DEG C,
Back segment temperature is 180~190 DEG C, using injection pressure（3~5kPa）It is 35~45rpm with screw speed；Product is finally obtained,
Product is impregnated into 3min in 70 DEG C of hot water after taking-up, waits for that room temperature cools down, and a diameter of 15cm, thickness 0.8cm is made in product
Water outlet sheet rubber.
Embodiment 11：Particle obtained in embodiment 5 is put into shower model heat by a kind of bathroom gondola water faucet water outlet rubber
It being moulded into type, using computer injection molding machine, sets melt zone, i.e. front-end temperature is 170~175 DEG C, and stage casing temperature is 175~185 DEG C,
Back segment temperature is 180~190 DEG C, using injection pressure（3~5kPa）It is 35~45rpm with screw speed；Product is finally obtained,
Product is impregnated into 3min in 70 DEG C of hot water after taking-up, waits for that room temperature cools down, and a diameter of 15cm, thickness 0.8cm is made in product
Water outlet sheet rubber.
Comparative example 12：The middle thermoplastic elastomer (TPE) particle of comparative example 6 is put into shower by a kind of bathroom gondola water faucet water outlet rubber
Thermoplastic shaping in model sets melt zone using computer injection molding machine, i.e. front-end temperature is 170~175 DEG C, and stage casing temperature is 175
~185 DEG C, back segment temperature is 180~190 DEG C, using injection pressure（3~5kPa）It is 35~45rpm with screw speed；Finally
Product is obtained, product is impregnated into 3min in 70 DEG C of hot water after taking-up, waits for that room temperature cools down, and a diameter of 15cm is made in product, it is thick
Degree is the water outlet sheet rubber of 0.8cm.
By the above method, the water outlet sheet rubber obtained of 7~embodiment of corresponding embodiment 11 goes out with made from comparative example 12
Water sheet rubber carries out following detection：
High temperature limit is tested：Will water outlet sheet rubber be mounted to use state, water temperature be 79 DEG C ± 3 DEG C, dynamic pressure 0.6MPa ±
0.02MPa keeps whether 30min, observation have leak, permanent deformation failure；
Resistance to stranding test test：Apply the power of 2.5kgf with thumb on water outlet sheet rubber surface, equidirectional movement three times, detects
Not reply phenomenon after hair, fracture, deformation；
Color-change resistant is tested：Water outlet sheet rubber subregion is stained with nontransparent adhesive tape before test, water outlet sheet rubber is exposed to UV
Test in 5 days is carried out under lamp at 12cm, and uses Q-PANEL board UVB313 light bulbs, after the completion of test, in 18cm distance observation samples
Product 3 seconds, the region aberration in region and non-adhesive tape that originally adhesive tape is clung；
Cold ＆ heat fatigue resisting is tested：Water outlet sheet rubber is mounted to use state, supply water temperature is 70 DEG C ± 3 DEG C at hot water end, cold
Water end (W.E.) supply water temperature is 20 DEG C ± 2 DEG C, and water supply dynamic pressure is 0.30MPa ± 0.02MPa, and flow is ± 0.02 L/s of 0.10L/s, is turned
Throw-over degree is tested under conditions of being no more than 2s, and first supplies 2min cold water, then supplies 2min hot water, is one cycle,
300 cyclic tests are carried out, post-test-inspection is discharged sheet rubber, and whether there is or not leak, crackle, deformation failures.
Test result：As shown in the table：
| Embodiment 7 | Embodiment 8 | Embodiment 9 | Embodiment 10 | Embodiment 11 | Comparative example 12 | |
| High temperature limit is surveyed Examination | Without leak, without permanent Deform failure | Without leak, without permanent Deform failure | Without leak, without permanent Deform failure | Without leak, without permanent Deform failure | Without leak, without permanent Deform failure | No leak has permanently Deform failure |
| Resistance to stranding test is surveyed Examination | It is unchanged | It is unchanged | It is unchanged | It is unchanged | It is unchanged | There are fluffing, phenomenon of rupture |
| Color-change resistant is tested | Without apparent aberration | Without apparent aberration | Without apparent aberration | Without apparent aberration | Micro- Huang | It is apparent to turn yellow |
| Cold ＆ heat fatigue resisting Test | Without leak, crackle, change Shape phenomenon | Without leak, crackle, change Shape phenomenon | Without leak, crackle, change Shape phenomenon | Without leak, crackle, change Shape phenomenon | Without leak, crackle, change Shape phenomenon | There are leak, crackle, change Shape phenomenon |
To sum up, by the water outlet sheet rubber obtained of 7~embodiment of the embodiment of the present invention 11 relative to the water outlet rubber obtained of comparative example 12
Film is superior to comparative example in high temperature limit test, resistance to stranding test test, color-change resistant test and cold ＆ heat fatigue resisting test respectively
12, by by thermoplastic elastic composition be applied to shower in water outlet sheet rubber have good dimensional stability, color inhibition,
Against weather.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of composition for thermoplastic elastomer, it is characterised in that：It is calculated in mass percent, including following raw material：25~45%
Hydrogenated styrene-butadiene rubber, 5~15% SBS, 2~8% SEBS, 15~35% naphthenic oil, 5~15% polystyrene, 5~12%
Lubricant, 2~8% filler, 0.5~1.5% crosslinking agent, 0.1~0.3% toughener, 0.1~0.25% anti-oxidant help
Agent, 0.1~0.25% antiager.
2. a kind of composition for thermoplastic elastomer, it is characterised in that：It is calculated in mass percent, including following raw material：30~40%
Hydrogenated styrene-butadiene rubber, 7~12% SBS, 3~6% SEBS, 20~30% naphthenic oil, 7~12% polystyrene, 6~10%
Lubricant, 3~6% filler, 0.6~1.2% crosslinking agent, 0.15~0.25% toughener, 0.12~0.23% antioxygen
Change auxiliary agent, 0.12~0.23% antiager.
3. a kind of composition for thermoplastic elastomer according to claim 1 or 2, it is characterised in that：The anti-oxidant auxiliary agent
For appointing in antioxidant 1098, antioxidant 245, irgasfos 168, the double octadecyl esters of thio-2 acid, the double lauryls of thio-2 acid
It anticipates one or more；The antiager is UV absorbers UV-9, UV absorbers UWP-327, light stabilizer
Any one or more in AM101, light stabilizer GW-510, light stabilizer 744；The toughener is that four-needle-like zinc oxide is brilliant
Must or polyamide any one or more.
4. a kind of composition for thermoplastic elastomer according to claim 1, it is characterised in that：The SBS is to inhale to have 30% ring
The finished product glue of alkane oil.
5. a kind of composition for thermoplastic elastomer according to claim 1, it is characterised in that：The SEBS is star-like SEBS
Any one in resin or line style SEBS resins or two kinds of mixing.
6. a kind of composition for thermoplastic elastomer according to claim 1, it is characterised in that：The movement of the naphthenic oil is viscous
Degree is 100m2/ s, and the mixing of one or both of naphthenic base white oil of the color inhibition grade more than 4 Grade, paraffinic base white oil.
7. a kind of composition for thermoplastic elastomer according to claim 1, it is characterised in that：The polystyrene is transparent
GPPS, and melt index is between 8~10.
8. a kind of composition for thermoplastic elastomer according to claim 1, it is characterised in that：The filler is Paris white
One or more of which mixing in end, barium sulfate talcum powder, mica powder, attapulgite.
9. a kind of composition for thermoplastic elastomer according to claim 1, it is characterised in that：The crosslinking agent is peroxidating
One or both of diisopropylbenzene (DIPB), the different interior base benzene of dual-tert-butyl peroxidating two mix.
10. a kind of preparation method of ardent hope property elastomer resin as claimed in any one of claims 1 to 9 wherein, which is characterized in that
Include the following steps：
S1, respectively by it is above-mentioned it is each proportioning take material component, first by hydrogenated styrene-butadiene rubber, SEBS, SBS and naphthenic oil be added band heating
Spice bucket in uniformly mix 60~100min, obtain mixture；
Polystyrene, filler, lubricant, toughener, anti-oxidant auxiliary agent, ageing-resistant is added in S2, the mixture obtained again to S1
Auxiliary agent and crosslinking agent, and be uniformly mixed and obtain composition；
S3, composition is poured into double screw extruder squeezed out, tie rod, cooling, granulation, and the extrusion temperature of double screw extruder
Degree is 190~230 DEG C.
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| CN109181103A (en) * | 2018-08-17 | 2019-01-11 | 杭州瑞沣环保科技有限公司 | A kind of dirty water collecting tank |
| CN112011143A (en) * | 2020-07-21 | 2020-12-01 | 杭州联和工具制造有限公司 | Composition for thermoplastic elastomer and application thereof |
| CN114181488A (en) * | 2021-12-23 | 2022-03-15 | 盐城工学院 | Preparation method of composite toughening agent for nylon and product thereof |
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| CN106009714A (en) * | 2016-05-19 | 2016-10-12 | 广州喜马塑料科技有限公司 | Thermoplastic elastomer composition, resin, preparation method thereof and application thereof in manufacturing runways and courts |
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| WO2002014425A1 (en) * | 2000-08-14 | 2002-02-21 | Samsung General Chemicals Co., Ltd. | Reactor alloy of syndiotactic polystyrene having high impact resistance |
| CN102718996A (en) * | 2012-06-18 | 2012-10-10 | 温州市华川高分子材料有限公司 | Ultra-light foamed TPR material synthesized of modified thermoplastic rubber and preparation method thereof |
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| CN114181488A (en) * | 2021-12-23 | 2022-03-15 | 盐城工学院 | Preparation method of composite toughening agent for nylon and product thereof |
| CN114181488B (en) * | 2021-12-23 | 2023-05-12 | 盐城工学院 | Preparation method of composite toughening agent for nylon and product thereof |
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Application publication date: 20180803 |