CN104231590A - Conductive thermoplastic polyurethane composite material and preparation method thereof - Google Patents
Conductive thermoplastic polyurethane composite material and preparation method thereof Download PDFInfo
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- CN104231590A CN104231590A CN201410261851.1A CN201410261851A CN104231590A CN 104231590 A CN104231590 A CN 104231590A CN 201410261851 A CN201410261851 A CN 201410261851A CN 104231590 A CN104231590 A CN 104231590A
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Abstract
The invention discloses a conductive thermoplastic polyurethane composite material. The composite material comprises TPU, a conductive material, white oil, a surfactant, a lubricant and an antioxidant. According to the conductive thermoplastic polyurethane composite material disclosed by the invention, the surface resistance or volume resistance is less than or equal to 1000 Ohm, the tensile strength is equal to or greater than 16MPa, the elongation at break is equal to or greater than 100% and the Shore hardness is 90-95A; compared with the conventional conductive thermoplastic polyurethane, the conductive thermoplastic polyurethane composite material has good mechanical properties and conductivity.
Description
Technical field
The present invention relates to technical field of polymer materials, particularly relate to a kind of conductive thermoplastic compound polyurethane material and preparation method thereof.
Background technology
Thermoplastic polyurethane (TPU) elastomerics, formed through extrusion is mixing with POLYOL, the 1.4BG containing OH functional group by the MDI containing NCO functional group, because good springiness, good, the various physical strength of physical property are all fine, therefore, be widely used in injection, extrusion, roll and be dissolved into the processing modes such as solution resin, be the plastic material that plastic cement processer often uses, it makes the scope that product covers industrial application and civilian requisite.
TPU because of its superior performance and environmental protection concept day by day welcomed by the people.At present, the place of every use PVC, TPU all can become the substitute of PVC.But the advantage that TPU has, PVC is then too far behind to catch up.TPU durometer level is wide, and at 60HA-85HD, wear-resisting, oil resistant, transparent, good springiness, is used widely in fields such as daily necessities, sports goods, toy, finishing material.
Conduction TPU had both had the advantage of general T PU, again owing to having fabulous electrostatic dissipative properties, thus in sports goods, Automobile Products, medical device, had great application prospect.But there is dry linting, not wear-resisting, not tension and the surface easily shortcoming such as scratch in conduction TPU in the market.
Summary of the invention
For the shortcoming that above-mentioned prior art exists, the object of the invention is to propose a kind of high abrasion, snappiness, not dry linting and low-resistance conductive thermoplastic compound polyurethane material and preparation method thereof.
For reaching this object, the present invention by the following technical solutions:
First aspect, the invention provides a kind of conductive thermoplastic compound polyurethane material, it comprises TPU, electro-conductive material, white oil, tensio-active agent, lubricant and oxidation inhibitor.
As preferably, by weight percentage, described conductive thermoplastic compound polyurethane material comprises:
TPU：55-80％，
Electro-conductive material: 15-40%,
White oil: 1.8-6%,
Tensio-active agent: 1.8-6%,
Lubricant: 0.3-2.2%,
Oxidation inhibitor: 0.2-0.6%, weight percent sum≤100% of described each component.
Further preferably, by weight percentage, described conductive thermoplastic compound polyurethane material comprises:
TPU：60-75％，
Electro-conductive material: 15-35%,
White oil: 2-5%,
Tensio-active agent: 2-5%,
Lubricant: 0.5-2%,
Oxidation inhibitor: 0.3-0.5%, weight percent sum≤100% of described each component.
Still more preferably, by weight percentage, described conductive thermoplastic compound polyurethane material comprises:
TPU：65-70％，
Electro-conductive material: 20-30%,
White oil: 3-4%,
Tensio-active agent: 3-4%,
Lubricant: 1-1.5%,
Oxidation inhibitor: 0.3-0.5%, weight percent sum≤100% of described each component.
As preferably, described TPU is selected from 485A, the 2790A, 285,460 of Bayer Bitterfeld GmbH, 1185A, 1190A, 60A, S90A of Germany's BASF, WHT-1190, WHT-1180 of Yantai ten thousand China, 1180A, 1190A of BTE-80A, BTP-60D that Taiwan day is won and Taiwan exhibition space.
As preferably, described electro-conductive material is graphitized carbon black, carbon nanotube, carbon fiber or steel fiber;
Preferably, graphitized carbon black is the special graphitized carbon black of high structure;
Further preferably, described graphitized carbon black is selected from Cabot conductive carbon black BP2000Vxc72R Vxc72, win wound Degussa conductive carbon black Printex XE2-B, HIBLACK420B, Printex L6, Printex L, Hiblack 40B2, section qin EC-300J, EC-600JD, Czech's Type B Super-conductive carbon and the Colombian Conductex 7055Ultra of the U.S., 7067.
As preferably, described white oil adopts more than No. 15 or No. 15 technical white oils.
As preferably, described tensio-active agent adopts multi-functional coupling dispersion agent, or the combination of multiple dispersion agent;
Further preferably, described tensio-active agent adopts the combination of ethylene bis stearamide and silane coupling agent or aluminate coupling agent.
As preferably, described lubricant is refractory polyethylene wax, Zinic stearas or their combination;
Further preferably, described lubricant is Clariant wax powder PE520 or Honeywell 6A wax.
As preferably, described oxidation inhibitor is 168,1010 or their combination of German BASF.
Second aspect, the invention provides the preparation method of conductive thermoplastic compound polyurethane material as described in relation to the first aspect, this preparation method comprises the following steps:
(1) electro-conductive material is put into high mixer, at 95 ~ 105 DEG C, preferably 100 DEG C, with 200 ~ 400r/min preheating 8-15min, preferably 10min, remove moisture content, after add white oil, tensio-active agent, lubricant and oxidation inhibitor, under 1000-2000r/min, preferably 1500r/min, process 10-30min, preferably 15-25min, more preferably 20min;
(2) step (1) gained mixture is mixed with TPU, adopt Banbury mixer banburying shaping, then adopt singe screw or twin screw granulation, make finished product.
After tested, conductive thermoplastic compound polyurethane material surface of the present invention or Ti amass electricity Zu≤1000 Ω, tensile strength >=16MPa, elongation at break >=100%, shore hardness 90-95A, compared with existing conductive thermoplastic urethane, there is high abrasion, snappiness, not dry linting and low-resistance advantage.
Embodiment
Technical scheme of the present invention is further illustrated below by embodiment.Should be appreciated that enforcement of the present invention is not limited to following examples, those skilled in the art can carry out various improvement based on this, and these also all fall into protection scope of the present invention.
The preparation of embodiment 1 conductive thermoplastic compound polyurethane material of the present invention
TPU adopts the 485A of Bayer Bitterfeld GmbH, electro-conductive material adopts Czech's Type B Super-conductive carbon, white oil adopts No. 15 technical white oils, tensio-active agent adopts the combination of ethylene bis stearamide and silane coupling agent, lubricant adopts Clariant wax powder PE520, oxidation inhibitor adopts 168 of German BASF, is prepared according to the following formulation:
TPU：60％，
Electro-conductive material: 30%,
White oil: 2.5%,
Tensio-active agent: 5%,
Lubricant: 2%,
Oxidation inhibitor: 0.5%.
Preparation technology:
(1) electro-conductive material is put into high mixer, at 100 DEG C, with 300r/min preheating 10min, remove moisture content, after add white oil, tensio-active agent, lubricant and oxidation inhibitor, under 1500r/min, process 20min;
(2) step (1) gained mixture is mixed with TPU, adopt Banbury mixer banburying shaping, then adopt singe screw or twin screw granulation, make finished product.
The preparation of embodiment 2 conductive thermoplastic compound polyurethane material of the present invention
TPU adopts the 1185A of German BASF, electro-conductive material adopts Cabot conductive carbon black BP2000Vxc72R Vxc72, white oil adopts No. 15 technical white oils, tensio-active agent adopts the combination of ethylene bis stearamide and silane coupling agent, lubricant adopts Clariant wax powder PE520, oxidation inhibitor adopts 1010 of German BASF, is prepared according to the following formulation:
TPU：75％，
Electro-conductive material: 20%,
White oil: 2%,
Tensio-active agent: 2%,
Lubricant: 0.5%,
Oxidation inhibitor: 0.5%.
Preparation technology:
(1) electro-conductive material is put into high mixer, at 105 DEG C, with 200r/min preheating 10min, remove moisture content, after add white oil, tensio-active agent, lubricant and oxidation inhibitor, under 1500r/min, process 25min;
(2) step (1) gained mixture is mixed with TPU, adopt Banbury mixer banburying shaping, then adopt singe screw or twin screw granulation, make finished product.
The preparation of embodiment 3 conductive thermoplastic compound polyurethane material of the present invention
TPU adopts the 1190A of German BASF, electro-conductive material adopts wins wound Degussa conductive carbon black HIBLACK 420B, white oil adopts No. 15 technical white oils, tensio-active agent adopts the combination of ethylene bis stearamide and aluminate coupling agent, lubricant adopts Clariant wax powder PE520, oxidation inhibitor adopts 1010 of German BASF, is prepared according to the following formulation:
TPU：55％，
Electro-conductive material: 35%,
White oil: 4%,
Tensio-active agent: 4%,
Lubricant: 1.5%,
Oxidation inhibitor: 0.5%.
Preparation technology:
(1) electro-conductive material is put into high mixer, at 95 DEG C, with 400r/min preheating 15min, remove moisture content, after add white oil, tensio-active agent, lubricant and oxidation inhibitor, under 1500r/min, process 25min;
(2) step (1) gained mixture is mixed with TPU, adopt Banbury mixer banburying shaping, then adopt singe screw or twin screw granulation, make finished product.
The preparation of embodiment 4 conductive thermoplastic compound polyurethane material of the present invention
TPU adopts the 2790A of Bayer Bitterfeld GmbH, electro-conductive material adopts wins wound Degussa conductive carbon black HIBLACK 420B, white oil adopts No. 15 technical white oils, tensio-active agent adopts the combination of ethylene bis stearamide and aluminate coupling agent, lubricant adopts Honeywell 6A wax, oxidation inhibitor adopts 1010 of German BASF, is prepared according to the following formulation:
TPU：65％，
Electro-conductive material: 25%,
White oil: 4%,
Tensio-active agent: 4%,
Lubricant: 1.5%,
Oxidation inhibitor: 0.5%.
Preparation technology:
(1) electro-conductive material is put into high mixer, at 100 DEG C, with 300r/min preheating 10min, remove moisture content, after add white oil, tensio-active agent, lubricant and oxidation inhibitor, under 1500r/min, process 25min;
(2) step (1) gained mixture is mixed with TPU, adopt Banbury mixer banburying shaping, then adopt singe screw or twin screw granulation, make finished product.
The performance test of embodiment 5 conductive thermoplastic compound polyurethane material of the present invention
Finished product prepared by the conductive thermoplastic compound polyurethane material prepared with above-described embodiment 1 to embodiment 4 is for tested object, and measure performance, result is as shown in table 1.
The performance perameter of table 1, conductive thermoplastic compound polyurethane material of the present invention
| Test event | Testing method | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Surface or volume resistance (Ω) | ---- | 600 | 1100 | 780 | 987 |
| Tensile strength (MPa) | D638 | 20 | 21 | 18 | 16 |
| Elongation at break (%) | D638 | 100 | 300 | 150 | 200 |
| Shore hardness (A) | D2240-05 | 93 | 92 | 95 | 91 |
From table 1 result, conductive thermoplastic compound polyurethane material surface of the present invention or Ti amass electricity Zu≤1100 Ω, tensile strength >=16MPa, elongation at break >=100%, shore hardness 90-95A, have machinery and conductivity preferably.
Applicant states, the present invention illustrates the present invention by above-described embodiment, but the present invention is not limited to above-mentioned, does not namely mean that the present invention must rely on above-mentioned could enforcement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of ancillary component, the concrete way choice etc. of raw material selected by the present invention, all drops within protection scope of the present invention and open scope.
Claims (9)
1. a conductive thermoplastic compound polyurethane material, is characterized in that, comprises TPU, electro-conductive material, white oil, tensio-active agent, lubricant and oxidation inhibitor.
2. conductive thermoplastic compound polyurethane material as claimed in claim 1, is characterized in that, by weight percentage, comprising:
TPU：55-80％，
Electro-conductive material: 15-40%,
White oil: 1.8-6%,
Tensio-active agent: 1.8-6%,
Lubricant: 0.3-2.2%,
Oxidation inhibitor: 0.2-0.6%, weight percent sum≤100% of described each component;
Preferably, by weight percentage, comprising:
TPU：60-75％，
Electro-conductive material: 15-35%,
White oil: 2-5%,
Tensio-active agent: 2-5%,
Lubricant: 0.5-2%,
Oxidation inhibitor: 0.3-0.5%, weight percent sum≤100% of described each component;
Further preferably, by weight percentage, comprising:
TPU：65-70％，
Electro-conductive material: 20-30%,
White oil: 3-4%,
Tensio-active agent: 3-4%,
Lubricant: 1-1.5%,
Oxidation inhibitor: 0.3-0.5%, weight percent sum≤100% of described each component.
3. conductive thermoplastic compound polyurethane material as claimed in claim 1 or 2, it is characterized in that, described TPU is selected from 485A, the 2790A, 285,460 of Bayer Bitterfeld GmbH, 1185A, 1190A, 60A, S90A of Germany's BASF, WHT-1190, WHT-1180 of Yantai ten thousand China, 1180A, 1190A of BTE-80A, BTP-60D that Taiwan day is won and Taiwan exhibition space.
4. the conductive thermoplastic compound polyurethane material as described in any one of claim 1-3, is characterized in that, described electro-conductive material is graphitized carbon black, carbon nanotube, carbon fiber or steel fiber;
Preferably, graphitized carbon black is the special graphitized carbon black of high structure;
Further preferably, described graphitized carbon black is selected from Cabot conductive carbon black BP2000Vxc72R Vxc72, win wound Degussa conductive carbon black Printex XE2-B, HIBLACK420B, Printex L6, Printex L, Hiblack40B2, section qin EC-300J, EC-600JD, Czech's Type B Super-conductive carbon and the Colombian Conductex7055Ultra of the U.S., 7067.
5. the conductive thermoplastic compound polyurethane material as described in any one of claim 1-4, is characterized in that, described white oil adopts more than No. 15 or No. 15 technical white oils.
6. the conductive thermoplastic compound polyurethane material as described in any one of claim 1-5, is characterized in that, described tensio-active agent adopts multi-functional coupling dispersion agent, or the combination of multiple dispersion agent;
Preferably, described tensio-active agent adopts the combination of ethylene bis stearamide and silane coupling agent or aluminate coupling agent.
7. the conductive thermoplastic compound polyurethane material as described in any one of claim 1-6, is characterized in that, described lubricant is refractory polyethylene wax, Zinic stearas or their combination;
Preferably, described lubricant is Clariant wax powder PE520 or Honeywell6A wax.
8. the conductive thermoplastic compound polyurethane material as described in any one of claim 1-7, is characterized in that, described oxidation inhibitor is 168,1010 or their combination of German BASF.
9. the preparation method of the conductive thermoplastic compound polyurethane material as described in any one of claim 1-8, is characterized in that, comprise the following steps:
(1) electro-conductive material is put into high mixer, at 95 ~ 105 DEG C, preferably 100 DEG C, with 200 ~ 400r/min preheating 8-15min, preferably 10min, remove moisture content, after add white oil, tensio-active agent, lubricant and oxidation inhibitor, under 1000-2000r/min, preferably 1500r/min, process 10-30min, preferably 15-25min, more preferably 20min;
(2) step (1) gained mixture is mixed with TPU, adopt Banbury mixer banburying shaping, then adopt singe screw or twin screw granulation, make finished product.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817995A (en) * | 2015-05-20 | 2015-08-05 | 叶芳 | Novel polyurethane conductive adhesive and preparation method thereof |
| CN105602234A (en) * | 2016-02-24 | 2016-05-25 | 江苏道勤新材料科技有限公司 | Skin-close type conductive plastic watch band material |
| CN105733243A (en) * | 2016-02-24 | 2016-07-06 | 江苏道勤新材料科技有限公司 | Conductive plastic watch strap material |
| CN106046752A (en) * | 2016-06-30 | 2016-10-26 | 嘉兴市高正高分子材料有限公司 | TPU (thermoplastic polyurethane) and carbon nanotube conductive masterbatch |
| CN106084738A (en) * | 2016-06-30 | 2016-11-09 | 嘉兴市高正高分子材料有限公司 | A kind of TPU antistatic film of carbon nano-tube modification |
| CN106118025A (en) * | 2016-06-30 | 2016-11-16 | 嘉兴市高正高分子材料有限公司 | A kind of preparation method of TPU/ carbon nanotube conducting master batch |
| CN106147200A (en) * | 2016-06-30 | 2016-11-23 | 嘉兴市高正高分子材料有限公司 | The modified TPU antistatic film of a kind of Activated Carbon Nanotubes |
| CN106189178A (en) * | 2016-06-30 | 2016-12-07 | 嘉兴市高正高分子材料有限公司 | The preparation method of the TPU antistatic film that a kind of Activated Carbon Nanotubes is modified |
| CN107915983A (en) * | 2017-11-29 | 2018-04-17 | 柳州市海达新型材料科技有限公司 | Conductive wear-resisting shock-absorption foot pad material and preparation method thereof |
| CN108659715A (en) * | 2018-05-11 | 2018-10-16 | 浙江平湖领新材料科技有限公司 | A kind of polishing thermoplastic polyurethane optics auxiliary material and preparation method thereof |
| CN111434718A (en) * | 2019-01-11 | 2020-07-21 | 汉达精密电子(昆山)有限公司 | TPU conductive material and product thereof |
| CN112745659A (en) * | 2020-01-15 | 2021-05-04 | 昆山科信高分子材料有限公司 | Thermoplastic polyurethane elastomer material containing antistatic master batch and preparation method thereof |
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| CN103044897A (en) * | 2012-12-20 | 2013-04-17 | 四川鑫电电缆有限公司 | Halogen-free flame-retardant anti-drip thermoplastic polyurethane (TPU) material |
| CN103289358A (en) * | 2013-05-20 | 2013-09-11 | 深圳市沃特新材料股份有限公司 | Colorized conductive thermoplastic polyurethane elastomer composite material and preparation method thereof |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817995A (en) * | 2015-05-20 | 2015-08-05 | 叶芳 | Novel polyurethane conductive adhesive and preparation method thereof |
| CN105602234A (en) * | 2016-02-24 | 2016-05-25 | 江苏道勤新材料科技有限公司 | Skin-close type conductive plastic watch band material |
| CN105733243A (en) * | 2016-02-24 | 2016-07-06 | 江苏道勤新材料科技有限公司 | Conductive plastic watch strap material |
| CN106046752A (en) * | 2016-06-30 | 2016-10-26 | 嘉兴市高正高分子材料有限公司 | TPU (thermoplastic polyurethane) and carbon nanotube conductive masterbatch |
| CN106084738A (en) * | 2016-06-30 | 2016-11-09 | 嘉兴市高正高分子材料有限公司 | A kind of TPU antistatic film of carbon nano-tube modification |
| CN106118025A (en) * | 2016-06-30 | 2016-11-16 | 嘉兴市高正高分子材料有限公司 | A kind of preparation method of TPU/ carbon nanotube conducting master batch |
| CN106147200A (en) * | 2016-06-30 | 2016-11-23 | 嘉兴市高正高分子材料有限公司 | The modified TPU antistatic film of a kind of Activated Carbon Nanotubes |
| CN106189178A (en) * | 2016-06-30 | 2016-12-07 | 嘉兴市高正高分子材料有限公司 | The preparation method of the TPU antistatic film that a kind of Activated Carbon Nanotubes is modified |
| CN107915983A (en) * | 2017-11-29 | 2018-04-17 | 柳州市海达新型材料科技有限公司 | Conductive wear-resisting shock-absorption foot pad material and preparation method thereof |
| CN108659715A (en) * | 2018-05-11 | 2018-10-16 | 浙江平湖领新材料科技有限公司 | A kind of polishing thermoplastic polyurethane optics auxiliary material and preparation method thereof |
| CN111434718A (en) * | 2019-01-11 | 2020-07-21 | 汉达精密电子(昆山)有限公司 | TPU conductive material and product thereof |
| CN112745659A (en) * | 2020-01-15 | 2021-05-04 | 昆山科信高分子材料有限公司 | Thermoplastic polyurethane elastomer material containing antistatic master batch and preparation method thereof |
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Application publication date: 20141224 |