CN103725027A - High-resilience TPE (thermoplastic elastomer) material and preparation method thereof - Google Patents
High-resilience TPE (thermoplastic elastomer) material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a high-resilience TPE (thermoplastic elastomer) material which comprises the following components in percentage by weight: 30-50% of TPE, 15-25% of engineering plastic, 20-40% of plasticizer, 10-20% of filler and 0-5% of other assistants. The material has the advantages of favorable temperature resistance, favorable aging resistance, favorable wear resistance and high resilience, and can be widely used in the field of wire cables, gaskets, sealing elements and the like. The invention also discloses a preparation method of the high-resilience TPE material. The preparation method has the advantages of simple technique, controllable conditions, low cost and low facility request, and is suitable for industrial production.
Description
Technical field
The present invention relates to technical field of polymer materials, relate in particular to a kind of high resilience TPE material and preparation method thereof.
Background technology
TPE material is a kind of material that combines rubber and plastics advantage, has both had snappiness, high strength and the high resilience of rubber, has again good processing characteristics, the recoverable of plastics simultaneously.Thermoplastic elastomer TPE material has hardness widely, good sense of touch, weathering resistance, antifatigue and temperature tolerance.Compare rubber without directly injection moulding of sulfuration, and can be bonding with various engineering plastic overmold, for the design of product provides more space and possibility.Because it has good plasticity-and processing characteristics, compare rubber and greatly shortened the process-cycle, improved production efficiency, so thermoplasticity TPE material has been widely used in electronic apparatus, communication and automobile industry at present, and increasing field replaces rubber product.But for existing rubber product, TPE material also comes with some shortcomings, such as heat resistance, ageing resistance, wear resisting property and rebound resilience are all not so good as rubber item, limited to a certain extent the application of thermoplasticity TPE material.
Summary of the invention
The object of the present invention is to provide a kind of high resilience TPE material, to overcome all not good technical problems of TPE material heat resistance, ageing resistance, wear resisting property and rebound resilience in prior art.
Another object of the present invention is to provide a kind of technique simple, cost is low, the preparation method of the high resilience TPE material being easy to operate and control.
In order to realize foregoing invention object, technical scheme of the present invention is as follows:
A high resilience TPE material, comprises the recipe ingredient of following weight percent:
And a kind of preparation method of high resilience TPE material, comprises the following steps:
According to above-mentioned high resilience TPE material prescription, take respectively each component;
Described in inciting somebody to action, take each component and carry out mixing treatment, obtain mixture;
Described mixture is melt extruded, and granulation, obtains described high resilience TPE material.
Above-mentioned high resilience TPE material be take engineering plastics as matrix, with softening agent, filler and other components under said ratio system, in melt extruding process, act synergistically, given this TPE material good heat resistance, ageing resistance, wear resisting property and rebound resilience, alternative rubber.By the combination of above-mentioned each component, existing TPE material is carried out to modification, solved that thermoplasticity TPE material rebound resilience is not enough, the shortcoming such as wear no resistance, retain the good processing characteristics of TPE material simultaneously, and made described high resilience TPE material there is excellent mechanical property and good sense of touch.
Above-mentioned high resilience TPE material preparation method only need melt extrude mixed being incorporated at suitable temperature of each component can obtain product by formula, and its preparation method technique is simple, and condition is easily controlled, with low cost, and feature low for equipment requirements, is suitable for suitability for industrialized production.
Embodiment
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides a kind of high resilience TPE material, and it comprises the recipe ingredient of following weight percent:
Particularly, above-mentioned thermoplastic elastomer claims again synthetic chloroprene rubber or synthetic rubber, and it had both possessed the snappiness of traditional cross-linking vulcanized rubber, ageing-resistant, the every excellent properties of oil-proofness, possesses again easy to process, the feature that processing mode is wide of common plastics.Under above-mentioned formula system, described thermoplastic elastomer is preferably at least one in Polyurethane Thermoplastic Elastomer, styrene analog thermoplastic elastomer, thermoplastic vulcanizates elastomerics, Ba Ling petrochemical industry SEBSYH501 and mountain flat TPV101-73 all for example, it can carry out good combination with the engineering plastics of above-mentioned 15%-25%, significantly improves the rebound performance of material.Wherein, best, described thermoplastic elastomer is styrenic elastomerics and the elastomeric combination of thermoplastic vulcanizates.
Above-mentioned engineering plastics are the body material of described TPE material, are preferably PP and/or PE, the composition of PPV30G and HDPE5000S for example, and said composition can be by the proportioning combination of 1:1.PP and/or PE draw materials simply, with low cost, and can be better under above-mentioned formula system and the combination such as softening agent and thermoplastic elastomer, given play to synergy more significantly, can meet well existing materials demand, eliminate better the performance difference with rubber.
Above-mentioned softening agent is a kind of macromolecular material auxiliary agent, adds this material in plastic working, can make its snappiness strengthen, easily processing.It is of a great variety, and modal kind is DEHP(trade name DOP).DEHP chemical name, phthalic acid two (2-ethyl hexyl) ester, is a kind of colourless, liquid with no taste, industrial being widely used.In embodiments of the present invention, at least one in softening agent preferred fragrance hydrocarbon ils, paraffin hydrocarbon ils, naphthenic oil, they can bring into play stronger toughening effect, for example naphthenic oil KN4006 under above-mentioned formula frame system.
Above-mentioned filler claims again weighting agent, refer to improve processing characteristics, mechanical property also (or) material that reduces costs.In a preferred embodiment, described filler is at least one in calcium carbonate, talcum powder, silicon-dioxide, they can carry out to above-mentioned high resilience TPE material the raising of mechanical property etc., such as wear resistance of strongthener etc., and its can with above-mentioned elastomerics, the abundant combination of engineering plastics, in being filled in, bring into play good performance transformation effect.If the filler of selecting contains calcium carbonate, preferred water-ground limestone, it has that chemical purity is high, inertia is large, be difficult for chemical reaction, Heat stability is good and at 400 ℃, can not decompose below, whiteness is high, oil absorbency is low, refractive index is low, matter is soft, dry, do not contain the advantages such as crystal water, the low wear(ing)value of hardness are little, nontoxic, tasteless, odorless, good dispersity, can improve better above-mentioned materials performance.
On the basis of above-mentioned thermoplastic elastomer, engineering plastics, softening agent and filler, can also further add other auxiliary agent according to the required performance requriements of reality, to regulate material property, reach the material property of expection.Preferably, described other auxiliary agents are at least one in oxidation inhibitor, lubricant, the preferred silicone master batch of described lubricant, and described oxidation inhibitor is preferably the composition of antioxidant 1010 and 168.
In above-mentioned TPE material prescription, PP and SEBS(SEBS are styrenic elastomerics) form inierpeneirating network structure, in order to the required intensity of TPE material and elasticity to be provided, but the finite elastic that this structure provides.Under above-mentioned formula system, in above-mentioned high resilience TPE material, add again TPV elastomerics (being thermoplasticity vulcanized elastomer), because TPV elastomerics is the blend that EPDM and PP form, joining can be compatible well with PP/SEBS in TPE material, by melt-processed, above-mentioned EPDM micelle is brought in the interpenetrating(polymer)networks of PP and SEBS, the elasticity of crosslinked EPDM micelle is equivalent to elastic support points stress point in interpenetrating(polymer)networks, thereby has given material higher elasticity.
Correspondingly, the embodiment of the present invention also provides the preparation method of above-mentioned high resilience TPE material, and the method comprises the steps:
S01, according to above-mentioned high resilience TPE material prescription, take respectively each component;
Described in S02, general, take each component and carry out mixing treatment, obtain mixture;
S03, described mixture is melt extruded, granulation, obtains described high resilience TPE material.
Particularly, each component preferred content in the formula of the high resilience TPE material in above-mentioned steps S01 and formula and kind as described above, in order to save length, do not repeat them here.
In above-mentioned steps S02, each component is carried out the time of mixing treatment and can be adjusted flexibly according to actual production conditions, as long as each component premix fully, if the equipment of mixing can be mixing machine etc.In a preferred embodiment, mixing treatment be by each component (as rotating speed is greater than 300r/min) combination treatment at a high speed 5～15 minutes, each component is mixed.
In above-mentioned steps S03, mixture melt extrude the technique that can adopt this area routine.For each component is better acted synergistically melt extruding middle performance, give above-mentioned high resilience TPE material the more excellent transparency and mechanical property, in a preferred embodiment, it is to adopt twin screw extruder to melt extrude that mixture melt extrudes, the twin screw extruder that the preferred length-to-diameter ratio of described twin screw is 42:1, and the rotating speed of twin screw is preferably 300-350rpm, processing temperature is preferably 170 ℃-210 ℃, under such processing conditions, carry out double-screw extruding pelletizing, can obtain fog-surface flame-retardant Polyurethane Thermoplastic Elastomer.
Above-mentioned high resilience TPE material preparation method only need melt extrude mixed being incorporated at suitable temperature of each component can obtain product by formula, in melt extruding process, only need to control the temperature and time melt extruding, therefore, its preparation method technique is simple, condition is easily controlled, feature with low cost, low for equipment requirements, is suitable for suitability for industrialized production.
The concrete high resilience TPE material and preparation method thereof of now take is example, and the present invention is further elaborated.Wherein, in embodiment, the component of each composition and quality percentage composition are as shown in table 1, concrete component is as follows: thermoplastic elastomer is all mixtures of flat TPV101-73 of Ba Ling petrochemical industry SEBSYH501 and mountain, engineering plastics are the mixture of PPV30G and HDPE5000S, softening agent is naphthenic oil KN4006, filler is water-ground limestone, and other auxiliary agent is: lubricant is that silicone master batch, oxidation inhibitor are the composition of antioxidant 1010 and 168.Each component is joined to high-speed mixing machine mixing 5min by the mass percent in table 1, and then mixture is put in twin screw extruder, the length-to-diameter ratio of twin screw extruder is 42:1, and the rotating speed of twin screw extruder is 300-350rpm, and processing temperature is 170-210 ℃.The fog-surface flame-retardant Polyurethane Thermoplastic Elastomer obtaining is carried out to performance test, and test result is in Table 2.The unit of quantity of the recipe ingredient of following example be all weight percentage (%).
Table 1
| Recipe ingredient | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| SEBS | 30 | 15 | 20 | 15 |
| TPV | 5 | 10 | 15 | 20 |
| Engineering plastics | 15 | 15 | 15 | 15 |
| Softening agent | 30 | 30 | 30 | 30 |
| Filler | 20 | 20 | 20 | 20 |
| Other auxiliary agents | 0.5 | 0.5 | 0.5 | 0.5 |
Performance test:
The performance test methods test generally adopting according to those skilled in the art, the performance test results of embodiment 1-4 is in Table 2:
Table 2
Pass through embodiment, we can find the rebound resilience that has improved well material that adds of TPV material, and Drawing abillity does not change, crosslinked EPDM in TPV material with small uniform particles be distributed in TPE material, provide well rebound performance, and small EPDM particle can't affect Drawing abillity.In sum, high resilience TPE material of the present invention has very high rebound resilience, and not loss of Drawing abillity, and in the certain scope of TPV adding proportion, mechanical property has also obtained certain maintenance.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a high resilience TPE material, is characterized in that, comprises the recipe ingredient of following weight percent:
2. high resilience TPE material as claimed in claim 1, is characterized in that, described thermoplastic elastomer is at least one in Polyurethane Thermoplastic Elastomer, styrene analog thermoplastic elastomer, thermoplastic vulcanizates elastomerics.
3. high resilience TPE material as claimed in claim 1, is characterized in that, described engineering plastics are PP and/or PE.
4. the high resilience TPE material as described in claim 1-3 any one, is characterized in that, described softening agent is at least one in hydrocarbon oil, paraffin hydrocarbon ils, naphthenic oil.
5. the high resilience TPE material as described in claim 1-3 any one, is characterized in that, described filler is at least one in calcium carbonate, talcum powder, silicon-dioxide.
6. high resilience TPE material as claimed in claim 5, is characterized in that, described filler is water-ground limestone.
7. the high resilience TPE material as described in claim 1-3 any one, is characterized in that, described other auxiliary agents are oxidation inhibitor and/or lubricant.
8. high resilience TPE material as claimed in claim 7, is characterized in that, described lubricant is silicone master batch.
9. a preparation method for high resilience TPE material, is characterized in that, comprises following preparation process:
According to high resilience TPE material prescription described in claim 1-8, take respectively each component;
Described in inciting somebody to action, take each component and carry out mixing treatment, obtain mixture;
Described mixture is melt extruded, and granulation, obtains described high resilience TPE material.
10. the preparation method of high resilience TPE material as claimed in claim 9, is characterized in that, described in to melt extrude be to adopt twin-screw extrusion, the rotating speed of described twin screw is 300-350rpm, processing temperature is 170 ℃-210 ℃.
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Cited By (16)
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| CN104774417A (en) * | 2015-03-17 | 2015-07-15 | 宁波日樱电器有限公司 | Refrigerator sealing strip material and preparation method thereof |
| CN105131500A (en) * | 2015-08-31 | 2015-12-09 | 宁波海雨新材料科技有限公司 | High- springback TPE thermoplastic elastomer and preparing method thereof |
| CN105255202A (en) * | 2015-11-18 | 2016-01-20 | 南通普力马弹性体技术有限公司 | Wear-resistant and high-resilience-rate TPE trundle material used for adhering to PP and preparation method |
| CN105419307A (en) * | 2016-01-21 | 2016-03-23 | 苏州法斯特信息科技有限公司 | Environment-friendly polyurethane composite plastic runway material and preparation method thereof |
| CN105860414A (en) * | 2016-05-11 | 2016-08-17 | 苏州天裕塑胶有限公司 | TPE-base composite film material and preparation method thereof |
| CN106497089A (en) * | 2016-10-11 | 2017-03-15 | 武汉理工大学 | A kind of TPE material of cladding PP skeletons and preparation method thereof |
| CN106671529A (en) * | 2016-12-07 | 2017-05-17 | 安徽国风塑业股份有限公司 | Biaxially stretched polypropylene touch film |
| CN106671532A (en) * | 2016-12-07 | 2017-05-17 | 安徽国风塑业股份有限公司 | Extruded biaxially oriented polypropylene touch film and preparation method thereof |
| CN107418128A (en) * | 2017-08-24 | 2017-12-01 | 刘伟 | A kind of compound mat proper of high resilience |
| CN109504066A (en) * | 2018-11-26 | 2019-03-22 | 纪翠苗 | A kind of uvioresistant TPE plastic formula |
| CN109575571A (en) * | 2018-12-06 | 2019-04-05 | 安徽荣达阀门有限公司 | A kind of high temperature resistant urban Underground pipeline valve spacer |
| CN109942927A (en) * | 2017-12-21 | 2019-06-28 | 陈正林 | A kind of high molecular abrasion-proof band can increase wearability |
| CN110862674A (en) * | 2019-12-11 | 2020-03-06 | 上海欧唯斯工具制造有限公司 | Composite thermoplastic elastomer and preparation method thereof |
| CN111041605A (en) * | 2019-12-31 | 2020-04-21 | 安吉万众化纤科技有限公司 | Manufacturing method of high-resilience environment-friendly pad |
| CN111995876A (en) * | 2020-07-09 | 2020-11-27 | 上海泛优包装科技有限公司 | Plastic spring material for all-plastic recyclable environment-friendly spray head |
| CN113956676A (en) * | 2021-02-02 | 2022-01-21 | 福清市胜德塑胶制品有限公司 | Shock-absorbing and buffering exercise mat and preparation method thereof |
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| CN104774417A (en) * | 2015-03-17 | 2015-07-15 | 宁波日樱电器有限公司 | Refrigerator sealing strip material and preparation method thereof |
| CN104774417B (en) * | 2015-03-17 | 2018-10-26 | 宁波日樱电器有限公司 | A kind of refrigerator sealing strip material and preparation method thereof |
| CN105131500B (en) * | 2015-08-31 | 2018-11-16 | 宁波海雨新材料科技有限公司 | A kind of high rebound TPE thermoplastic elastomer (TPE) and preparation method thereof |
| CN105131500A (en) * | 2015-08-31 | 2015-12-09 | 宁波海雨新材料科技有限公司 | High- springback TPE thermoplastic elastomer and preparing method thereof |
| CN105255202A (en) * | 2015-11-18 | 2016-01-20 | 南通普力马弹性体技术有限公司 | Wear-resistant and high-resilience-rate TPE trundle material used for adhering to PP and preparation method |
| CN105419307A (en) * | 2016-01-21 | 2016-03-23 | 苏州法斯特信息科技有限公司 | Environment-friendly polyurethane composite plastic runway material and preparation method thereof |
| CN105860414A (en) * | 2016-05-11 | 2016-08-17 | 苏州天裕塑胶有限公司 | TPE-base composite film material and preparation method thereof |
| CN105860414B (en) * | 2016-05-11 | 2018-09-11 | 苏州天裕塑胶有限公司 | TPE group compound films material and preparation method |
| CN106497089A (en) * | 2016-10-11 | 2017-03-15 | 武汉理工大学 | A kind of TPE material of cladding PP skeletons and preparation method thereof |
| CN106671529A (en) * | 2016-12-07 | 2017-05-17 | 安徽国风塑业股份有限公司 | Biaxially stretched polypropylene touch film |
| CN106671532A (en) * | 2016-12-07 | 2017-05-17 | 安徽国风塑业股份有限公司 | Extruded biaxially oriented polypropylene touch film and preparation method thereof |
| CN107418128A (en) * | 2017-08-24 | 2017-12-01 | 刘伟 | A kind of compound mat proper of high resilience |
| CN109942927A (en) * | 2017-12-21 | 2019-06-28 | 陈正林 | A kind of high molecular abrasion-proof band can increase wearability |
| CN109504066A (en) * | 2018-11-26 | 2019-03-22 | 纪翠苗 | A kind of uvioresistant TPE plastic formula |
| CN109575571A (en) * | 2018-12-06 | 2019-04-05 | 安徽荣达阀门有限公司 | A kind of high temperature resistant urban Underground pipeline valve spacer |
| CN110862674A (en) * | 2019-12-11 | 2020-03-06 | 上海欧唯斯工具制造有限公司 | Composite thermoplastic elastomer and preparation method thereof |
| CN111041605A (en) * | 2019-12-31 | 2020-04-21 | 安吉万众化纤科技有限公司 | Manufacturing method of high-resilience environment-friendly pad |
| CN111995876A (en) * | 2020-07-09 | 2020-11-27 | 上海泛优包装科技有限公司 | Plastic spring material for all-plastic recyclable environment-friendly spray head |
| CN113956676A (en) * | 2021-02-02 | 2022-01-21 | 福清市胜德塑胶制品有限公司 | Shock-absorbing and buffering exercise mat and preparation method thereof |
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