CN103554814A - TPE (Thermoplastic Elastomer) material with high temperature resistance - Google Patents
TPE (Thermoplastic Elastomer) material with high temperature resistance Download PDFInfo
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Abstract
The invention relates to a TPE (Thermoplastic Elastomer) material with high temperature resistance. The TPE material is prepared from the following components in parts by weight: 80-100 parts of hydrogenated styrene-butadiene-styrene segmented copolymers, 80-100 parts of hydrogenated naphthenic oil, 15-20 parts of polypropylene, 15-20 parts of propylene-ethylene random copolymers, 100-120 parts of CaCO3, 0.5-1 part of calcium stearate, 0.1-0.2 part of 2-tertiary butyl-4,6- dimethyl phenol and 0.4-0.8 part of 2,4,6-tri-tert-butyl phenol. The TPE material disclosed by the invention has good heat resistance, physical performances such as compressive deformation and elastic recovery are not remarkably lowered due to an extremely high temperature; moreover, the TPE material is excellent in various physical performances such as surface hardness as well as tensile strength, and therefore, the TPE material is suitable for producing a ground mat paved at an outdoor production occasion, and prolonging service life of the TPE material.
Description
Technical field
The present invention relates to TPE material technology field, specifically, is the TPE material that a kind of resistance to elevated temperatures is good.
Background technology
Thermoplastic elastomer TPE(Thermo plastic Elastomer) be a kind of snappiness, high strength, high resilience with rubber, there is again the material of feature that can injection molding.There is the advantages such as environment-protecting asepsis safety, tint permanence that durometer level is wide, good, soft-touch, weathering resistance, fatigue resistance and temperature tolerance are better, processing characteristics is superior, need not vulcanize, can recycle and reduce costs, both can secondary injection molding, with the body material coating and bondings such as PP, PE, PC, PS, ABS, also moulding separately.As a kind of rubber novel material of energy-conserving and environment-protective, the development prospect of thermoplastic elastic material is very good.
But the thermotolerance of TPE material is not as rubber, and along with temperature rising, physical property declines by a big margin, thereby the scope of application is restricted.The slipmat of for example being made by TPE material has that elasticity is good, good antiskid effect, toughness is good, tension force is strong, the feature of recyclable and recycling, but for outdoor use occasion, tanning by the sun for a long time of the ground cushion experience daylight in summer that TPE material is made, temperature is for a long time in higher state, the physical property such as its compressive set, elastic recovery can significantly decline, reduce the use sense organ of ground cushion, reduction of service life.Therefore research and develop the TPE material that resistance toheat is good, for the scope of application that expands this material, promote that popularization and energy-conserving and environment-protective are all very necessary.
Summary of the invention
The object of the invention is for deficiency of the prior art, the TPE material that a kind of resistance to elevated temperatures is good is provided.
For achieving the above object, the technical scheme that the present invention takes is:
A good TPE material, it is made by each component of following weight part: hydrogenated styrene-butadiene-styrene block copolymers 80-100 part, hydrogenation naphthenic oil 80-100 part, polypropylene 15-20 part, propylene-ethylene random copolymers 15-20 part, CaCO
3100-120 part, calcium stearate 0.5-1 part, the 2-tertiary butyl-4,6-xylenol 0.1-0.2 part, 2,4,6-tri-butyl-phenol 0.4-0.8 part.
Preferably, described propylene-ethylene random copolymers is 20 parts.
Preferably, the described 2-tertiary butyl-4,6-xylenol is 0.2 part, described 2,4,6-tri-butyl-phenol is 0.6 part.
Preferably, the TPE material that resistance to elevated temperatures of the present invention is good is made by each component of following weight part: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 90 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
3110 parts, 1 part of calcium stearate, the 2-tertiary butyl-4,0.2 part of 6-xylenol, 2,4,0.6 part of 6-tri-butyl-phenol.
Preferably, the TPE material that resistance to elevated temperatures of the present invention is good is made by each component of following weight part: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 100 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
3120 parts, 1 part of calcium stearate, the 2-tertiary butyl-4,0.2 part of 6-xylenol, 2,4,0.8 part of 6-tri-butyl-phenol.
Preferably, the TPE material that resistance to elevated temperatures of the present invention is good is made by each component of following weight part: 80 parts of hydrogenated styrene-butadiene-styrene block copolymers, 80 parts of hydrogenation naphthenic oils, 15 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
3100 parts, 0.5 part of calcium stearate, the 2-tertiary butyl-4,0.2 part of 6-xylenol, 2,4,0.8 part of 6-tri-butyl-phenol.
Preferably, the TPE material that resistance to elevated temperatures of the present invention is good is made by each component of following weight part: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 80 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
3120 parts, 0.5 part of calcium stearate, the 2-tertiary butyl-4,0.2 part of 6-xylenol, 2,4,0.8 part of 6-tri-butyl-phenol.
The invention has the advantages that:
1, adopt propylene-ethylene random copolymers, can effectively improve mobility and the thermotolerance of TPE material;
2, adopt the 2-tertiary butyl-4,6-xylenol and 2,4,6-tri-butyl-phenol, as thermo-stabilizer, can further improve the resistance toheat of TPE material, guarantee that the physical property such as its compressive set, elastic recovery can significantly not decline because of excess Temperature;
3, the every physical properties excellent of the surface hardness of TPE material of the present invention and tensile strength, is applicable to produce the ground cushion of laying in outdoor occasion, significant prolongation ground cushion work-ing life.
Embodiment
Below embodiment provided by the invention is elaborated.
the TPE material preparation (one) that embodiment 1 resistance to elevated temperatures of the present invention is good
1, according to weight part, weigh following raw material: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 90 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
3110 parts, 1 part of calcium stearate, the 2-tertiary butyl-4,0.2 part of 6-xylenol, 2,4,0.6 part of 6-tri-butyl-phenol;
2, above-mentioned raw materials is put into stirrer, 100-120rpm mixing 2-3h;
3, mixed raw material is dropped into twin screw extruder is extruded, granulation, wherein the temperature of twin screw extruder is 180-200 ℃, and rotating speed is 260rpm.
the TPE material preparation (two) that embodiment 2 resistance to elevated temperatures of the present invention is good
1, according to weight part, weigh following raw material: 80 parts of hydrogenated styrene-butadiene-styrene block copolymers, 80 parts of hydrogenation naphthenic oils, 15 parts of polypropylene, 20 parts of propylene-ethylene random copolymerss, CaCO
3100 parts, 0.5 part of calcium stearate, the 2-tertiary butyl-4,0.1 part of 6-xylenol, 2,4,0.4 part of 6-tri-butyl-phenol;
2, above-mentioned raw materials is put into stirrer, 100-120rpm mixing 2-3h;
3, mixed raw material is dropped into twin screw extruder is extruded, granulation, wherein the temperature of twin screw extruder is 180-200 ℃, and rotating speed is 280rpm.
the TPE material preparation (three) that embodiment 3 resistance to elevated temperatures of the present invention is good
1, according to weight part, weigh following raw material: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 100 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
3120 parts, 1 part of calcium stearate, the 2-tertiary butyl-4,0.2 part of 6-xylenol, 2,4,0.8 part of 6-tri-butyl-phenol;
2, above-mentioned raw materials is put into stirrer, 100-120rpm mixing 2-3h;
3, mixed raw material is dropped into twin screw extruder is extruded, granulation, wherein the temperature of twin screw extruder is 180-200 ℃, and rotating speed is 270rpm.
the TPE material preparation (four) that embodiment 4 resistance to elevated temperatures of the present invention is good
1, according to weight part, weigh following raw material: 80 parts of hydrogenated styrene-butadiene-styrene block copolymers, 80 parts of hydrogenation naphthenic oils, 15 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
3100 parts, 0.5 part of calcium stearate, the 2-tertiary butyl-4,0.2 part of 6-xylenol, 2,4,0.8 part of 6-tri-butyl-phenol;
2, above-mentioned raw materials is put into stirrer, 100-120rpm mixing 2-3h;
3, mixed raw material is dropped into twin screw extruder is extruded, granulation, wherein the temperature of twin screw extruder is 180-200 ℃, and rotating speed is 260rpm.
the TPE material preparation (five) that embodiment 5 resistance to elevated temperatures of the present invention is good
1, according to weight part, weigh following raw material: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 100 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 20 parts of propylene-ethylene random copolymerss, CaCO
3120 parts, 1 part of calcium stearate, the 2-tertiary butyl-4,0.1 part of 6-xylenol, 2,4,0.4 part of 6-tri-butyl-phenol;
2, above-mentioned raw materials is put into stirrer, 100-120rpm mixing 2-3h;
3, mixed raw material is dropped into twin screw extruder is extruded, granulation, wherein the temperature of twin screw extruder is 180-200 ℃, and rotating speed is 280rpm.
the TPE material preparation (six) that embodiment 6 resistance to elevated temperatures of the present invention is good
1, according to weight part, weigh following raw material: 80 parts of hydrogenated styrene-butadiene-styrene block copolymers, 100 parts of hydrogenation naphthenic oils, 15 parts of polypropylene, 20 parts of propylene-ethylene random copolymerss, CaCO
3100 parts, 1 part of calcium stearate, the 2-tertiary butyl-4,0.1 part of 6-xylenol, 2,4,0.4 part of 6-tri-butyl-phenol;
2, above-mentioned raw materials is put into stirrer, 100-120rpm mixing 2-3h;
3, mixed raw material is dropped into twin screw extruder is extruded, granulation, wherein the temperature of twin screw extruder is 180-200 ℃, and rotating speed is 280rpm.
the TPE material preparation (seven) that embodiment 7 resistance to elevated temperatures of the present invention is good
1, according to weight part, weigh following raw material: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 80 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
3120 parts, 0.5 part of calcium stearate, the 2-tertiary butyl-4,0.2 part of 6-xylenol, 2,4,0.8 part of 6-tri-butyl-phenol;
2, above-mentioned raw materials is put into stirrer, 100-120rpm mixing 2-3h;
3, mixed raw material is dropped into twin screw extruder is extruded, granulation, wherein the temperature of twin screw extruder is 180-200 ℃, and rotating speed is 260rpm.
comparative example 1
1, according to weight part, weigh following raw material: 80 parts of hydrogenated styrene-butadiene-styrene block copolymers, 80 parts of hydrogenation naphthenic oils, 15 parts of polypropylene, 21 parts of propylene-ethylene random copolymerss, CaCO
3100 parts, 0.5 part of calcium stearate, the 2-tertiary butyl-4,0.1 part of 6-xylenol, 2,4,0.4 part of 6-tri-butyl-phenol;
2, above-mentioned raw materials is put into stirrer, 100-120rpm mixing 2-3h;
3, mixed raw material is dropped into twin screw extruder is extruded, granulation, wherein the temperature of twin screw extruder is 180-200 ℃, and rotating speed is 280rpm.
comparative example 2
1, according to weight part, weigh following raw material: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 100 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 14 parts of propylene-ethylene random copolymerss, CaCO
3120 parts, 1 part of calcium stearate, the 2-tertiary butyl-4,0.2 part of 6-xylenol, 2,4,0.8 part of 6-tri-butyl-phenol;
2, above-mentioned raw materials is put into stirrer, 100-120rpm mixing 2-3h;
3, mixed raw material is dropped into twin screw extruder is extruded, granulation, wherein the temperature of twin screw extruder is 180-200 ℃, and rotating speed is 270rpm.
comparative example 3
1, according to weight part, weigh following raw material: 80 parts of hydrogenated styrene-butadiene-styrene block copolymers, 80 parts of hydrogenation naphthenic oils, 15 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
3100 parts, 0.5 part of calcium stearate, the 2-tertiary butyl-4,0.2 part of 6-xylenol, 2,4,0.9 part of 6-tri-butyl-phenol;
2, above-mentioned raw materials is put into stirrer, 100-120rpm mixing 2-3h;
3, mixed raw material is dropped into twin screw extruder is extruded, granulation, wherein the temperature of twin screw extruder is 180-200 ℃, and rotating speed is 260rpm.
comparative example 4
1, according to weight part, weigh following raw material: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 100 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 20 parts of propylene-ethylene random copolymerss, CaCO
3120 parts, 1 part of calcium stearate, the 2-tertiary butyl-4,0.1 part of 6-xylenol, 2,4,0.3 part of 6-tri-butyl-phenol;
2, above-mentioned raw materials is put into stirrer, 100-120rpm mixing 2-3h;
3, mixed raw material is dropped into twin screw extruder is extruded, granulation, wherein the temperature of twin screw extruder is 180-200 ℃, and rotating speed is 280rpm.
comparative example 5
1, according to weight part, weigh following raw material: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 100 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 20 parts of terpolymer EP rubbers, CaCO
3120 parts, 1 part of calcium stearate, 0.8 part of Tyox B;
2, above-mentioned raw materials is put into stirrer, 100-120rpm mixing 2-3h;
3, mixed raw material is dropped into twin screw extruder is extruded, granulation, wherein the temperature of twin screw extruder is 180-200 ℃, and rotating speed is 260rpm.
comparative example 6
1, according to weight part, weigh following raw material: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 90 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
3110 parts, 1 part of calcium stearate, the 2-tertiary butyl-4,0.8 part of 6-xylenol;
2, above-mentioned raw materials is put into stirrer, 100-120rpm mixing 2-3h;
3, mixed raw material is dropped into twin screw extruder is extruded, granulation, wherein the temperature of twin screw extruder is 180-200 ℃, and rotating speed is 260rpm.
comparative example 7
1, according to weight part, weigh following raw material: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 90 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
31 part of 110 part, calcium stearate, 2,4,0.8 part of 6-tri-butyl-phenol;
2, above-mentioned raw materials is put into stirrer, 100-120rpm mixing 2-3h;
3, mixed raw material is dropped into twin screw extruder is extruded, granulation, wherein the temperature of twin screw extruder is 180-200 ℃, and rotating speed is 260rpm.
embodiment 8 performance tests
The main performance index of TPE material prepared by embodiment 1-7 and comparative example 1-7 is tested, and testing standard is with reference to GB/T1040-2006, and result is as shown in table 1.In table, data show, the present invention adopts propylene-ethylene random copolymers, can effectively improve mobility and the thermotolerance of TPE material, and the 2-tertiary butyl-4, 6-xylenol and 2, 4, 6-tri-butyl-phenol is as thermo-stabilizer, can further improve the resistance toheat of TPE material, guarantee its compressive set, the physical property such as elastic recovery can significantly not decline because of excess Temperature, and each feed composition proportioning of TPE material of the present invention is appropriate, the every physical properties excellent of material of preparation, the TPE material that is significantly better than comparative example 1-7, therefore the ground cushion that is applicable to produce outdoor environment laying is to extend its work-ing life.
The main performance index of TPE material prepared by table 1 embodiment 1-7 and comparative example 1-7
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the inventive method; can also make some improvement and supplement, these improvement and supplement and also should be considered as protection scope of the present invention.
Claims (7)
1. the TPE material that resistance to elevated temperatures is good, it is characterized in that, it is made by each component of following weight part: hydrogenated styrene-butadiene-styrene block copolymers 80-100 part, hydrogenation naphthenic oil 80-100 part, polypropylene 15-20 part, propylene-ethylene random copolymers 15-20 part, CaCO
3100-120 part, calcium stearate 0.5-1 part, the 2-tertiary butyl-4,6-xylenol 0.1-0.2 part, 2,4,6-tri-butyl-phenol 0.4-0.8 part.
2. TPE material according to claim 1, is characterized in that, described propylene-ethylene random copolymers is 20 parts.
3. TPE material according to claim 1, is characterized in that, the described 2-tertiary butyl-4, and 6-xylenol is 0.2 part, described 2,4,6-tri-butyl-phenol is 0.6 part.
4. TPE material according to claim 1, it is characterized in that, it is made by each component of following weight part: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 90 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
3110 parts, 1 part of calcium stearate, the 2-tertiary butyl-4,0.2 part of 6-xylenol, 2,4,0.6 part of 6-tri-butyl-phenol.
5. TPE material according to claim 1, it is characterized in that, it is made by each component of following weight part: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 100 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
3120 parts, 1 part of calcium stearate, the 2-tertiary butyl-4,0.2 part of 6-xylenol, 2,4,0.8 part of 6-tri-butyl-phenol.
6. TPE material according to claim 1, it is characterized in that, it is made by each component of following weight part: 80 parts of hydrogenated styrene-butadiene-styrene block copolymers, 80 parts of hydrogenation naphthenic oils, 15 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
3100 parts, 0.5 part of calcium stearate, the 2-tertiary butyl-4,0.2 part of 6-xylenol, 2,4,0.8 part of 6-tri-butyl-phenol.
7. TPE material according to claim 1, it is characterized in that, it is made by each component of following weight part: 100 parts of hydrogenated styrene-butadiene-styrene block copolymers, 80 parts of hydrogenation naphthenic oils, 20 parts of polypropylene, 15 parts of propylene-ethylene random copolymerss, CaCO
3120 parts, 0.5 part of calcium stearate, the 2-tertiary butyl-4,0.2 part of 6-xylenol, 2,4,0.8 part of 6-tri-butyl-phenol.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113121946A (en) * | 2021-04-21 | 2021-07-16 | 宁波怡顺佳新材料科技有限公司 | TPE material applied to fire hose |
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| CN103194032A (en) * | 2012-10-08 | 2013-07-10 | 东莞市技塑塑胶科技有限公司 | SEBS thermoplastic high-elasticity earphone cord coating special-purpose material and preparation method thereof |
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| US20100152320A1 (en) * | 2008-12-12 | 2010-06-17 | Cheil Industries Inc. | Thermoplastic Elastomer Composition |
| WO2012094360A2 (en) * | 2011-01-04 | 2012-07-12 | Gordon Chiu | Biotherapeutics for the treatment of infectious diseases |
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Application publication date: 20140205 |