CN103087505A - Thermoplastic polyurethane elastomer material and preparation method thereof - Google Patents
Thermoplastic polyurethane elastomer material and preparation method thereof Download PDFInfo
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- CN103087505A CN103087505A CN2012105624229A CN201210562422A CN103087505A CN 103087505 A CN103087505 A CN 103087505A CN 2012105624229 A CN2012105624229 A CN 2012105624229A CN 201210562422 A CN201210562422 A CN 201210562422A CN 103087505 A CN103087505 A CN 103087505A
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- elastomer material
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Abstract
The invention discloses a thermoplastic polyurethane elastomer material and a preparation method thereof. The thermoplastic polyurethane elastomer material comprises ingredients in percentage by weight: 50-80% of thermoplastic polyurethane elastomers, 10-30% of flame retardant, 5-20% of flatting agent, 0.2-0.5% of antioxidant, and 0.2-0.5% of lubricant. According to the thermoplastic polyurethane elastomer material, the thermoplastic polyurethane elastomers are used as matrix materials, the flame retardant and flatting agent as well as other ingredients conduct synergy action in a fusion extruding process, so as to modify the thermoplastic polyurethane elastomers, so that the thermoplastic polyurethane elastomer material is endowed with excellent matte characteristic and flame retardance property, as well as good processing property and excellent mechanical property. The preparation method is simple in process, low in cost, low in equipment requirement, and suitable for industrialized production, and conditions are easily controlled.
Description
Technical field
The invention belongs to technical field of polymer materials, particularly a kind of Polyurethane Thermoplastic Elastomer material and preparation method thereof.
Background technology
Polyurethane Thermoplastic Elastomer (TPU) has admirably toughness, tear-resistant, wear resistance, oil-proofness, elasticity and mechanical property.Be applied at present on various electric wires, become the good substitute of the material wire rods such as PVC, rubber.But the electric wire that pure TPU makes is not had a flame retardant resistance, and the product surface of making simultaneously is actual use of brighter not scrape resistant impact generally.
Though occurred fog-surface flame-retardant Polyurethane Thermoplastic Elastomer product at present, but mainly there is following technical deficiency in existing fog-surface flame-retardant Polyurethane Thermoplastic Elastomer: 1. processing temperature is narrow, to temperature sensitive; 2. burn low, more difficultly reach high fire-retardant rank; 3. the extinction effect of existing cloudy surface TPU product is limited, does not reach good surface effect.
Summary of the invention
The object of the invention is to overcome the above-mentioned deficiency of prior art, a kind of have excellent cloudy surface characteristic and the Polyurethane Thermoplastic Elastomer material of flame retardant properties are provided.
Another object of the present invention is to provide that a kind of technique is simple, and condition is easily controlled, the Polyurethane Thermoplastic Elastomer material preparation method that production cost is low.
In order to realize the foregoing invention purpose, technical scheme of the present invention is as follows:
A kind of Polyurethane Thermoplastic Elastomer material comprises the recipe ingredient of following weight percent:
And a kind of Polyurethane Thermoplastic Elastomer material preparation method comprises the following steps:
Take respectively each component according to above-mentioned Polyurethane Thermoplastic Elastomer material prescription;
Described each component that takes is carried out mixing treatment, obtain mixture;
Described mixture is melt extruded, and granulation obtains described Polyurethane Thermoplastic Elastomer material; 170～210 ℃ of described extrusion temperatures.
Above-mentioned Polyurethane Thermoplastic Elastomer material is take Polyurethane Thermoplastic Elastomer as body material, adopt fire retardant and matting agent and other components to act synergistically in melt extruding process, Polyurethane Thermoplastic Elastomer is carried out modification, thereby give cloudy surface characteristic and the flame retardant properties of this Polyurethane Thermoplastic Elastomer material excellence, give simultaneously the good processing characteristics of this Polyurethane Thermoplastic Elastomer material and excellent mechanical property.
Above-mentioned Polyurethane Thermoplastic Elastomer material preparation method only needs by formula, each component to be mixed to be incorporated in to melt extrude at suitable temperature to obtain product, its preparation method technique is simple, and condition is easily controlled, and is with low cost, characteristics low for equipment requirements are suitable for suitability for industrialized production.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in accompanying drawing:
Fig. 1 is the process flow diagram of embodiment of the present invention Polyurethane Thermoplastic Elastomer material preparation method.
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 and accompanying drawing, 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 have excellent cloudy surface characteristic and the Polyurethane Thermoplastic Elastomer material of flame retardant properties.This Polyurethane Thermoplastic Elastomer material comprises the recipe ingredient of following weight percent:
Particularly, above-mentioned Polyurethane Thermoplastic Elastomer is matrix composition, in melt extruding process, and its molecule and other components such as fire retardant, matting agent synergy, thus realization is to the modification of Polyurethane Thermoplastic Elastomer material.In a preferred embodiment, this Polyurethane Thermoplastic Elastomer is that polyester type plastic polyurethane elastomerics is or/and polyether-type plastic polyurethane elastomerics.More preferably, this polyester type plastic polyurethane elastomerics be durometer level in shoreA70～80, particularly, as the TPU80A of U.S. promise reputation polyester type.This preferred Polyurethane Thermoplastic Elastomer has better toughness, tear-resistant, wear resistance, oil-proofness, elasticity and mechanical property, after modification, can better keep Polyurethane Thermoplastic Elastomer and have good mechanical property.
Above-mentioned fire retardant acts synergistically with the Polyurethane Thermoplastic Elastomer component in melt extruding process, gives this Polyurethane Thermoplastic Elastomer Flame Retardancy energy.In order to make the Polyurethane Thermoplastic Elastomer material have more excellent flame retardant properties, do not affect simultaneously the mechanical property of Polyurethane Thermoplastic Elastomer component, in a preferred embodiment, this fire retardant is at least a in bromide fire retardant, Sb system fire retardant, phosphorus flame retardant, phosphor nitrogen combustion inhibitor, organic silicon fibre retardant.Wherein, bromide fire retardant is decabromodiphynly oxide; Sb system fire retardant is antimonous oxide; Phosphorus flame retardant is that tricresyl phosphate phenol is or/and xylenylphosphate; Phosphor nitrogen combustion inhibitor is ammonium polyphosphate; Organic silicon fibre retardant is polydimethylsiloxane.
Above-mentioned matting agent acts synergistically with the Polyurethane Thermoplastic Elastomer component in melt extruding process, gives the atomized surface effect of this Polyurethane Thermoplastic Elastomer material excellence, improves its anti-scratch ability.In order further to improve anti-scratch energy and the atomized surface effect of this Polyurethane Thermoplastic Elastomer material.In a preferred embodiment, this matting agent is SiO
2, TiO
2, MgO, AL
2O
3In at least a.More preferably, this matting agent is SiO
2
Above-mentioned antioxidant component can effectively improve the antioxidant property of the present embodiment Polyurethane Thermoplastic Elastomer material, extends its work-ing life.In a preferred embodiment, at least a in this Hinered phenols antioxidant, suffocated amine antioxidant, phosphite ester kind antioxidant.Particularly, this oxidation inhibitor can be the composition of the 1:1 of antioxidant 1010 and 168.This preferred oxidation inhibitor not only can improve Polyurethane Thermoplastic Elastomer material antioxidant property, can also improve its resistance toheat and with components such as fire retardant, matting agents together to this Polyurethane Thermoplastic Elastomer component modification, improve the performances such as cloudy surface performance, flame retardant properties and ageing resistance of this Polyurethane Thermoplastic Elastomer material.
Above-mentioned lubricant composition can be attached on other components in melt extruding process surperficial, makes each component fully disperse, and makes each component fully react or act on, and improves the stable of the present embodiment Polyurethane Thermoplastic Elastomer material property.Be convenient to simultaneously the conveying in each component melts extrusion.In a preferred embodiment, this lubricant is at least a in organo-silicic oil, PE wax, lipid acid, soap.Particularly, this lubricant is the composition of EBS and stearic 1:1.
From the above mentioned, above-mentioned Polyurethane Thermoplastic Elastomer material is take Polyurethane Thermoplastic Elastomer as body material, in melt extruding process, each component melts, after fire retardant and matting agent and the doping of other component Uniform Dispersions, synergy, Polyurethane Thermoplastic Elastomer is carried out modification, thereby give cloudy surface characteristic and the flame retardant properties of this Polyurethane Thermoplastic Elastomer material excellence, give simultaneously the good processing characteristics of this Polyurethane Thermoplastic Elastomer material and excellent mechanical property.Wherein, the correlated performances such as this cloudy surface characteristic and flame retardant properties see also hereinafter data in table 2.Therefore, this Polyurethane Thermoplastic Elastomer material has effectively overcome the deficiency that existing fog-surface flame-retardant Polyurethane Thermoplastic Elastomer product exists.In addition, by to the content of each component and the adjustment of kind, improved further cloudy surface characteristic and the flame retardant properties of this Polyurethane Thermoplastic Elastomer material.
Correspondingly, the embodiment of the present invention also provides above-mentioned Polyurethane Thermoplastic Elastomer material preparation method, and its technical process as shown in Figure 1.The method comprises the steps:
S01. take recipe ingredient: the formula according to above-mentioned Polyurethane Thermoplastic Elastomer material takes each component;
S02. prepare mixture: carry out mixing treatment with taking each component in step S01, obtain mixture;
S03. melt extruding of mixture: the mixture in step S02 is melt extruded, obtain described Polyurethane Thermoplastic Elastomer material; 170～210 ℃ of described extrusion temperatures.
Particularly, each component preferred content and kind in the formula of the Polyurethane Thermoplastic Elastomer material in above-mentioned steps S01 and formula are as indicated 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, can be mixing machine etc. as the equipment of mixing.
In above-mentioned steps S03, mixture melt extrude the technique that can adopt this area routine.In order to make each component better act synergistically in melt extruding, give above-mentioned Polyurethane Thermoplastic Elastomer material more excellent atomized surface effect and flame retardant effect, in a preferred embodiment, it is to adopt twin screw extruder to melt extrude that mixture melt extrudes, the length-to-diameter ratio of described twin screw extruder is 42:1, and its rotating speed is 300～350rpm.
Above-mentioned Polyurethane Thermoplastic Elastomer material preparation method only needs by formula, each component to be mixed to be incorporated in to melt extrude at suitable temperature to obtain product, only needing to control the temperature and time that melt extrudes in melt extruding process gets final product, therefore, its preparation method technique is simple, condition is easily controlled, characteristics with low cost, low for equipment requirements are suitable for suitability for industrialized production.
Now take the formula of concrete Polyurethane Thermoplastic Elastomer material and preparation method as example, the present invention is further elaborated.Wherein, in following each embodiment, Polyurethane Thermoplastic Elastomer is the TPU80A of U.S.'s promise reputation polyester type; Fire retardant is phosphorus flame retardant tricresyl phosphate phenol or xylenylphosphate; Matting agent is silicon-dioxide; Oxidation inhibitor is the composition of the 1:1 of antioxidant 1010 and 168; Lubricant is the composition of EBS and stearic 1:1.
Embodiment 1
The weight percent recipe ingredient of the present embodiment Polyurethane Thermoplastic Elastomer material is referring to following table 1, and its preparation method is as follows:
S11: take each component according to 1 formula of embodiment in table 1 hereinafter;
S12: add and carry out mixing treatment 5min in mixing machine taking each component in step S11;
S13: the mixture in step S12 is placed in twin screw extruder melt extrudes, granulation, wherein, the length-to-diameter ratio of twin-screw extrusion agent is 42:1, and the rotating speed of twin screw extruder is 300rpm, and processing temperature is 200 ℃.
Embodiment 2
The weight percent recipe ingredient of the present embodiment Polyurethane Thermoplastic Elastomer material is referring to following table 1, and its preparation method is as follows:
S21: take each component according to 2 formulas of embodiment in table 1 hereinafter;
S22: add and carry out mixing treatment in mixing machine taking each component in step S21;
S23: the mixture in step S22 is placed in twin screw extruder melt extrudes, granulation, wherein, the length-to-diameter ratio of twin-screw extrusion agent is 42:1, and the rotating speed of twin screw extruder is 300rpm, and processing temperature is 200 ℃.
Embodiment 3
The weight percent recipe ingredient of the present embodiment Polyurethane Thermoplastic Elastomer material is referring to following table 1, and its preparation method is as follows:
S31: take each component according to 3 formulas of embodiment in table 1 hereinafter;
S32: add and carry out mixing treatment in mixing machine taking each component in step S31;
S33: the mixture in step S32 is placed in twin screw extruder melt extrudes, granulation, wherein, the length-to-diameter ratio of twin-screw extrusion agent is 42:1, and the rotating speed of twin screw extruder is 300rpm, and processing temperature is 200 ℃.
Embodiment 4
The weight percent recipe ingredient of the present embodiment Polyurethane Thermoplastic Elastomer material is referring to following table 1, and its preparation method is as follows:
S41: take each component according to 4 formulas of embodiment in table 1 hereinafter;
S42: add and carry out mixing treatment in mixing machine taking each component in step S41;
S43: the mixture in step S42 is placed in twin screw extruder melt extrudes, granulation, wherein, the length-to-diameter ratio of twin-screw extrusion agent is 42:1, and the rotating speed of twin screw extruder is 300rpm, and processing temperature is 200 ℃.
Comparison example 1
The weight percent recipe ingredient of the present embodiment Polyurethane Thermoplastic Elastomer material is referring to following table 1, and its preparation method is as follows:
S51: take each component according to 1 formula of comparison example in table 1 hereinafter;
S52: add and carry out mixing treatment in mixing machine taking each component in step S51;
S53: the mixture in step S52 is placed in twin screw extruder melt extrudes, granulation, wherein, the length-to-diameter ratio of twin-screw extrusion agent is 42:1, and the rotating speed of twin screw extruder is 300rpm, and processing temperature is 200 ℃.
Comparison example 2
The weight percent recipe ingredient of the present embodiment Polyurethane Thermoplastic Elastomer material is referring to following table 1, and its preparation method is as follows:
S61: take each component according to 2 formulas of comparison example in table 1 hereinafter;
S62: add and carry out mixing treatment in mixing machine taking each component in step S61;
S63: the mixture in step S62 is placed in twin screw extruder melt extrudes, granulation, wherein, the length-to-diameter ratio of twin-screw extrusion agent is 42:1, and the rotating speed of twin screw extruder is 300rpm, and processing temperature is 200 ℃.
Performance test:
The Polyurethane Thermoplastic Elastomer material of above-described embodiment 1 to embodiment 4 and comparison example 1 to 2 preparation is carried out the correlated performance test.After tested, the Polyurethane Thermoplastic Elastomer material correlated performance test result of above-described embodiment 1 to embodiment 4 and comparison example 1 to 2 preparation is as shown in table 2 respectively.
Table 1
Table 2
By can find out in above-mentioned table 2, can find the effect that has well reached cloudy surface that adds of matting agent by embodiment 1～3 and comparison example 1,2 contrast, the glossiness of goods has dropped to 10 left and right by 70.How many degree of cloudy surface can adjusting according to the add-on of matting agent.Adding of fire retardant well makes goods reach fire-retardant effect.And the mechanical property that does not make polyurethane elastomer material that adds of the matting agent of suitable ratio and fire retardant reduces too much, and the tensile strength of Polyurethane Thermoplastic Elastomer material and elongation at break have all obtained parameter value preferably.Hence one can see that, atomized surface effect and the flame retardant effect of embodiment of the present invention Polyurethane Thermoplastic Elastomer material surface are better, cloudy surface degree and fire-retardant rank can be according to the actual requirement adjustment, the good mechanical performance of while embodiment of the present invention Polyurethane Thermoplastic Elastomer material.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. Polyurethane Thermoplastic Elastomer material comprises the recipe ingredient of following weight percent:
2. Polyurethane Thermoplastic Elastomer material according to claim 1 is characterized in that: described fire retardant is at least a in bromide fire retardant, Sb system fire retardant, phosphorus flame retardant, phosphor nitrogen combustion inhibitor, organic silicon fibre retardant.
3. Polyurethane Thermoplastic Elastomer material according to claim 2, it is characterized in that: described phosphorus flame retardant is that tricresyl phosphate phenol is or/and xylenylphosphate.
4. Polyurethane Thermoplastic Elastomer material according to claim 1, it is characterized in that: described matting agent is SiO
2, TiO
2, MgO, AL
2O
3In at least a.
5. Polyurethane Thermoplastic Elastomer material according to claim 1, it is characterized in that: described matting agent is SiO
2
6. according to claim 1～5 described Polyurethane Thermoplastic Elastomer materials of any one, it is characterized in that: described Polyurethane Thermoplastic Elastomer is that polyester type plastic polyurethane elastomerics is or/and polyether-type plastic polyurethane elastomerics.
7. according to claim 1～5 described Polyurethane Thermoplastic Elastomer materials of any one is characterized in that: described oxidation inhibitor is at least a in Hinered phenols antioxidant, suffocated amine antioxidant, phosphite ester kind antioxidant.
8. according to claim 1～5 described Polyurethane Thermoplastic Elastomer materials of any one is characterized in that: described lubricant is at least a in organo-silicic oil, PE wax, lipid acid, soap.
9. Polyurethane Thermoplastic Elastomer material preparation method comprises the following steps:
Take respectively each component according to the described Polyurethane Thermoplastic Elastomer material prescription of claim 1～8;
Described each component that takes is carried out mixing treatment, obtain mixture;
Described mixture is melt extruded, and granulation obtains described Polyurethane Thermoplastic Elastomer material; 170～210 ℃ of described extrusion temperatures.
10. Polyurethane Thermoplastic Elastomer material preparation method according to claim 9, it is characterized in that: it is to adopt twin screw extruder to melt extrude that described mixture melt extrudes, the length-to-diameter ratio of described twin screw extruder is 42:1, and its rotating speed is 300～350rpm.
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Cited By (3)
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| CN104497551A (en) * | 2015-01-19 | 2015-04-08 | 山东美瑞新材料有限公司 | Low-odor inflaming retarding thermoplastic polyurethane elastomer and preparation method thereof |
| CN108102347A (en) * | 2017-12-19 | 2018-06-01 | 浙江华峰热塑性聚氨酯有限公司 | High physical property dumb light thermoplastic polyurethane elastomer and preparation method thereof |
| TWI765126B (en) * | 2018-11-30 | 2022-05-21 | 萬核應用材料有限公司 | wire drawing process |
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| CN101225224A (en) * | 2008-02-03 | 2008-07-23 | 银禧工程塑料（东莞）有限公司 | low-smoke halogen-free flame retardant thermoplastic elastomer alloy for flexible wire rod and preparation method thereof |
| CN101599314A (en) * | 2008-06-05 | 2009-12-09 | 上海斯瑞聚合体科技有限公司 | A kind of environmentally-friendly flame retardant thermoplastic polyurethane elastomer cable material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104497551A (en) * | 2015-01-19 | 2015-04-08 | 山东美瑞新材料有限公司 | Low-odor inflaming retarding thermoplastic polyurethane elastomer and preparation method thereof |
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| CN108102347A (en) * | 2017-12-19 | 2018-06-01 | 浙江华峰热塑性聚氨酯有限公司 | High physical property dumb light thermoplastic polyurethane elastomer and preparation method thereof |
| CN108102347B (en) * | 2017-12-19 | 2020-07-03 | 浙江华峰热塑性聚氨酯有限公司 | High-physical-property matte thermoplastic polyurethane elastomer and preparation method thereof |
| TWI765126B (en) * | 2018-11-30 | 2022-05-21 | 萬核應用材料有限公司 | wire drawing process |
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Application publication date: 20130508 |