CN104212156B - A kind of halogen-free fire retardation thermoplastic polyurethane - Google Patents
A kind of halogen-free fire retardation thermoplastic polyurethane Download PDFInfo
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- CN104212156B CN104212156B CN201410470376.9A CN201410470376A CN104212156B CN 104212156 B CN104212156 B CN 104212156B CN 201410470376 A CN201410470376 A CN 201410470376A CN 104212156 B CN104212156 B CN 104212156B
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Abstract
The present invention relates to a kind of halogen-free fire retardation thermoplastic polyurethane, made by the raw material of following weight portion: thermoplastic polyurethane 50-100 part, fire retardant 5-20 part, antioxidant 1-10 part, dispersant 1-10 part, anti-dripping agent 1-5 part and releasing agent 0.1-0.5 part. Halogen-free fire retardation thermoplastic polyurethane of the present invention has remarkable anti-flammability, through testing, can meet modern industry completely the requirement that is extruded into line.
Description
Technical field
The present invention relates to plastics field, specifically, the present invention relates to a kind of halogen-free fire retardation thermoplastic polyurethane.
Background technology
Thermoplasticity polyurethane (TPU) hardness range wide (60HA-85HD), wear-resisting, oil resistant, transparent, good springiness, dailyBe used widely in the fields such as product, sports goods, toy, ornament materials, halogen-free flameproof TPU can also replace soft PVC(PVC) to meet the environmental requirement in more and more fields, especially at wires and cables industry.
Along with the reinforcement day by day of people's environmental consciousness, the safety and environment protection of electric wire is more and more paid attention to, traditional PVCWhen material combustion, discharge a large amount of smog, serious corrosive gas and toxic gas, do not meet the electric wire of a lot of national requirementsCable and associated electrical electric equipment products have low-smoke, do not produce poisonous gas, the not halogen-containing requirement such as fire-retardant. Main at presentThe halogen-free flame retardants using is aluminium hydroxide (ATH) and magnesium hydroxide (MH), but separately uses ATH, MH flame retarding efficiency is low,Need a large amount of interpolations just can reach certain flame retardant effect, will have a strong impact on like this mechanical property and the processing stream of fire proofingMoving property.
Summary of the invention
The object of the present invention is to provide a kind of halogen-free fire retardation thermoplastic polyurethane.
In order to realize object of the present invention, the invention provides a kind of halogen-free fire retardation thermoplastic polyurethane, by following weight portionRaw material make: thermoplastic polyurethane 50-100 part, fire retardant 5-20 part, antioxidant 1-10 part, dispersant 1-10 part, anti-drippingAgent 1-5 part and releasing agent 0.1-0.5 part fall.
Preferably, the raw polyurethane of halogen-free flameproof thermoplastic of the present invention is made up of the raw material of following weight portion: thermoplasticity0.3 part of 90 parts of polyurethane, 10 parts of fire retardants, 7 parts of antioxidants, 5 parts of dispersants, 2 parts of anti-dripping agents and releasing agent.
More preferably, described antioxidant is BASF 1098 antioxidants.
More preferably, described dispersant is EBS, purchased from Shanghai Shan Bo Industrial Co., Ltd..
More preferably, described anti-dripping agent is A3800, purchased from Mitsubishi.
More preferably, described releasing agent is dimethicone.
More preferably, described fire retardant is 5-(4-hydroxy phenyl)-2H-pyran-2-one, and it has following structural:
The present invention also provides fire retardant in the purposes of preparing in halogen-free fire retardation thermoplastic polyurethane, and described fire retardant is 5-(4-hydroxy phenyl)-2H-pyran-2-one.
Preferably, described fire retardant can be made powder.
Halogen-free fire retardation thermoplastic polyurethane of the present invention has remarkable anti-flammability, through test, can expire completelyFoot modern industry is extruded into the requirement of line, can under higher temperature, use.
Detailed description of the invention
Below the invention will be further described for the description by detailed description of the invention, but this is not to limit of the present inventionSystem, those skilled in the art, according to basic thought of the present invention, can make various amendments or improvement, but only otherwise depart from thisFundamental idea of the invention, all within the scope of the present invention.
Embodiment 1
By 90 grams of raw materials of thermoplastic polyurethane at 80 DEG C of forced air drying 2h, then by the 5-of 10 grams (4-hydroxy phenyl)-2H-Pyran-2-one at 90 DEG C dry 3 hours, mixes, and add 7 grams the EBS of 1098,5 grams, 2 grams A3800 andThe dimethicone of 0.3 gram, in high-speed mixer SHR-50A (Song Ben plastic machine Co., Ltd of Zhangjagang City)High-speed stirred 5 minutes under the rotating speed of 1500rpm, stop stir, transfer to double screw extruder TSAE-35A (Nanjing Rhea not thisExtra-high-speed polymers Co., Ltd) in, carry out melt blending, extruder 1-4 section temperature is respectively 140,150,160,165 DEG C, extrudesAfter thing pelletizing, 80 DEG C of dry 4h are for subsequent use.
Embodiment 2
Prepare halogen-free fire retardation thermoplastic polyurethane according to the mode identical with embodiment 1, difference is to use hydrogen-oxygenChange aluminium and replace 5-(4-hydroxy phenyl)-2H-pyran-2-one.
Embodiment 3
Prepare elastomeric compound according to the mode identical with embodiment 1, difference is to replace 5-(4-with magnesium hydroxideHydroxy phenyl)-2H-pyran-2-one.
Experimental example
AGS-J type liquid crystal screen display electronic tension tester, High Speed Rail Testing Instruments Co., Ltd; Oxygen index measurer, HC-2CZ, Nanjing mesa analysis Instrument equipment factory; Horizontal vertical combustion test instrument, AG5100, Zhuhai safety test Co., Ltd.
Test and sign
Oxygen index (OI) test: according to the limited oxygen index of GB/T2406-1993 standard test flame-proof composite material (LOI), examinationSample is of a size of: 110mmx6.5mmx3mm.
Horizontal firing test: according to the horizontal firing grade of GB/T2408-1996 standard test flame-proof composite material, examinationSample is of a size of: 125mmx13.0mmx3.0mm.
Mechanics Performance Testing: according to GB/T7594-1987, GB/T5013-2008, GB/T2951-2008 standard test resistanceThe mechanical property of retardant composite material.
The test result of the sample of embodiment 1-3 sees the following form:
As seen from the above table, fire retardant of the present invention can have significant flame retardant effect, and is keeping excellent flame retardancyTime, mechanical property is also very excellent, and the result of embodiment 1 compares with the result of embodiment 2 and the result of embodiment 3, difference has statistical significance (P < 0.05).
Claims (1)
1. fire retardant, in the purposes of preparing in halogen-free fire retardation thermoplastic polyurethane, is characterized in that, described fire retardant is 5-(4-hydroxylBase phenyl)-2H-pyran-2-one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410470376.9A CN104212156B (en) | 2014-09-15 | 2014-09-15 | A kind of halogen-free fire retardation thermoplastic polyurethane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410470376.9A CN104212156B (en) | 2014-09-15 | 2014-09-15 | A kind of halogen-free fire retardation thermoplastic polyurethane |
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| Publication Number | Publication Date |
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| CN104212156A CN104212156A (en) | 2014-12-17 |
| CN104212156B true CN104212156B (en) | 2016-05-11 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104212009B (en) * | 2014-09-22 | 2016-03-30 | 江阴海达橡塑股份有限公司 | A kind of halogen-free fireproof rubber |
| CN107201023A (en) * | 2017-06-05 | 2017-09-26 | 江林（贵州）高科发展股份有限公司 | Anti-dripping melt transparent flame-retarding TPU materials and preparation method thereof |
| CN107459809A (en) * | 2017-09-08 | 2017-12-12 | 湖北科技学院 | A kind of thermoplastic polyurethane of phosphorus nitrogen cooperative flame retardant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN103436001A (en) * | 2013-08-13 | 2013-12-11 | 东莞市安拓普塑胶聚合物科技有限公司 | Low-smoke halogen-free flame retardant thermoplastic polyurethane elastomer for cable and preparation method thereof |
| CN103756283B (en) * | 2013-12-31 | 2016-03-02 | 上海至正道化高分子材料股份有限公司 | A kind of Low-smoke halogen-free flame retardant oil-resistance super-soft elastomer cable material and preparation method |
| CN103980695A (en) * | 2014-06-06 | 2014-08-13 | 中煤科工集团重庆研究院有限公司 | Halogen-free flame-retardant antistatic TPU (thermoplastic polyurethane) material and preparation method thereof |
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