CN104086976A - Halogen-free flame-retardant thermoplastic polyurethane material - Google Patents
Halogen-free flame-retardant thermoplastic polyurethane material Download PDFInfo
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- CN104086976A CN104086976A CN201410316495.9A CN201410316495A CN104086976A CN 104086976 A CN104086976 A CN 104086976A CN 201410316495 A CN201410316495 A CN 201410316495A CN 104086976 A CN104086976 A CN 104086976A
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Abstract
The invention discloses a halogen-free flame-retardant thermoplastic polyurethane material. The polyurethane material is prepared from the following raw materials in parts by weight: 70-80 parts of thermoplastic polyurethane elastomer, 5-20 parts of melamine cyanurate, 3-4 parts of antimonous oxide, 0.1-1 part of antioxidant 1010, 1-2 parts of lithium silicate, 0.1-0.2 parts of vanadium acetylacetonate, 2-3 parts of locust bean gum, 1-2 parts of tetrabutylammonium bromide, 1-2 parts of magnesium sulfate, 1-2 parts of 1,2-dimethyl imidazole, 1-2 parts of sodium gluconate and 1-2 parts of processing aid. The halogen-free flame-retardant thermoplastic polyurethane material disclosed by the invention is mainly based on halogen-free phosphorus based flame retardants and no halogen is contained in the flame retardants, so that the polyurethane material completely meets the environment-friendly requirement; the halogen-free flame-retardant thermoplastic polyurethane material is excellent in flame retardant effect, good in suppleness, elasticity and cold resistance and free of pollution.
Description
Technical field
The present invention relates generally to Material Field, relates in particular to a kind of halogen-free fire retardation thermoplastic polyurethane material.
Background technology
Thermoplastic polyurethane (claiming again TPU) material is called as " epoch-making novel high polymer material ", is one of our times six synthetic materials greatly with development prospect.Conventionally, TPU has good mechanical property (as high abrasion resistance), high-tension and formability, has been used to many industrial circles, such as automobile, electric wire, pneumatic hose etc.Yet TPU has poor flame retardant resistance, cause needing the application in some fields of high flame retardant to be limited.Fire-retardant TPU in the market adopts halogen containing flame-retardant to make, and the halogen contaminate environment that it contains, does not reach environmental requirement.Therefore, produce the inexorable trend that halogen-free fire retardation thermoplastic polyurethane material more and more becomes social development.
Summary of the invention
The object of the invention is just to provide a kind of halogen-free fire retardation thermoplastic polyurethane material.
The present invention is achieved by the following technical solutions:
A halogen-free fire retardation thermoplastic polyurethane material, it is comprised of the raw material of following weight parts:
Polyurethane Thermoplastic Elastomer 70-80, melamine cyanurate 5-20, antimonous oxide 3-4, antioxidant 1010 0.1-1, lithium silicate 1-2, vanadium acetylacetonate 0.1-0.2, locust bean gum 2-3, Tetrabutyl amonium bromide 1-2, magnesium sulfate 1-2,1,2 dimethylimidazole 1-2, Sunmorl N 60S 1-2, processing aid 1-2;
Described processing aid is comprised of the raw material of following weight parts:
Tetramethylolmethane 10-20, Vanay 3-5, oyster shell powder 2-3, silicone master batch 1-2, polyvinylpyrrolidone 0.6-1, urea groups propyl-triethoxysilicane 1-2;
Tetramethylolmethane, Vanay are mixed, and at 50-70 ℃, heating mixes 1-2 minute, adds oyster shell powder, urea groups propyl-triethoxysilicane, is stirred to normal temperature, adds each raw material of residue, stirs, and obtains described processing aid.
A preparation method for halogen-free fire retardation thermoplastic polyurethane material, comprises the following steps:
Melamine cyanurate, lithium silicate, magnesium sulfate, antimonous oxide mixing and ball milling is even, add 1,2-methylimidazole, locust bean gum, send into homogenizer after stirring, and adds Polyurethane Thermoplastic Elastomer, high-speed stirring is mixed 20-30 minute, add each raw material of residue, stir, send into twin screw extruder and extrude, through tie rod, cooling, pelletizing, drying treatment, obtain described halogen-free fire retardation thermoplastic polyurethane material.
Advantage of the present invention is:
Halogen-free fire retardation thermoplastic polyurethane material of the present invention be take Halogen phosphorus flame retardant as main, all not halogen-containing in its fire retardant, meets environmental requirement completely;
Halogen-free fire retardation thermoplastic polyurethane material flame retardant effect of the present invention is splendid, and snappiness, elasticity and winter hardiness are all better;
Halogen-free fire retardation thermoplastic polyurethane material produce technique of the present invention is simple, and pollution-free.
Embodiment
Embodiment 1
A halogen-free fire retardation thermoplastic polyurethane material, it by following weight parts (kilogram) raw material form:
Polyurethane Thermoplastic Elastomer 70, melamine cyanurate 20, antimonous oxide 4, antioxidant 1010 0.1, lithium silicate 2, vanadium acetylacetonate 0.2, locust bean gum 3, Tetrabutyl amonium bromide 1, magnesium sulfate 1,1,2 dimethylimidazole 2, Sunmorl N 60S 1, processing aid 2;
Described processing aid is comprised of the raw material of following weight parts:
Tetramethylolmethane 20, Vanay 5, oyster shell powder 2, silicone master batch 1, polyvinylpyrrolidone 0.6, urea groups propyl-triethoxysilicane 1;
Tetramethylolmethane, Vanay are mixed, and at 70 ℃, heating mixes 1 minute, adds oyster shell powder, urea groups propyl-triethoxysilicane, is stirred to normal temperature, adds each raw material of residue, stirs, and obtains described processing aid.
A preparation method for halogen-free fire retardation thermoplastic polyurethane material, comprises the following steps:
Melamine cyanurate, lithium silicate, magnesium sulfate, antimonous oxide mixing and ball milling is even, add 1,2-methylimidazole, locust bean gum, send into homogenizer after stirring, and adds Polyurethane Thermoplastic Elastomer, high-speed stirring is mixed 20 minutes, add each raw material of residue, stir, send into twin screw extruder and extrude, through tie rod, cooling, pelletizing, drying treatment, obtain described halogen-free fire retardation thermoplastic polyurethane material.
In this implementation method, the specific performance of the halogen-free fire retardation thermoplastic polyurethane particle of gained after injection moulding is: tensile strength is 14MPa, and elongation at break is 300%, vertical combustion (1.6mm) FV-O.
Claims (2)
1. a halogen-free fire retardation thermoplastic polyurethane material, is characterized in that what it was comprised of the raw material of following weight parts:
Polyurethane Thermoplastic Elastomer 70-80, melamine cyanurate 5-20, antimonous oxide 3-4, antioxidant 1010 0.1-1, lithium silicate 1-2, vanadium acetylacetonate 0.1-0.2, locust bean gum 2-3, Tetrabutyl amonium bromide 1-2, magnesium sulfate 1-2,1,2 dimethylimidazole 1-2, Sunmorl N 60S 1-2, processing aid 1-2;
Described processing aid is comprised of the raw material of following weight parts:
Tetramethylolmethane 10-20, Vanay 3-5, oyster shell powder 2-3, silicone master batch 1-2, polyvinylpyrrolidone 0.6-1, urea groups propyl-triethoxysilicane 1-2;
Tetramethylolmethane, Vanay are mixed, and at 50-70 ℃, heating mixes 1-2 minute, adds oyster shell powder, urea groups propyl-triethoxysilicane, is stirred to normal temperature, adds each raw material of residue, stirs, and obtains described processing aid.
2. a preparation method for halogen-free fire retardation thermoplastic polyurethane material as claimed in claim 1, is characterized in that comprising the following steps:
Melamine cyanurate, lithium silicate, magnesium sulfate, antimonous oxide mixing and ball milling is even, add 1,2-methylimidazole, locust bean gum, send into homogenizer after stirring, and adds Polyurethane Thermoplastic Elastomer, high-speed stirring is mixed 20-30 minute, add each raw material of residue, stir, send into twin screw extruder and extrude, through tie rod, cooling, pelletizing, drying treatment, obtain described halogen-free fire retardation thermoplastic polyurethane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410316495.9A CN104086976A (en) | 2014-07-05 | 2014-07-05 | Halogen-free flame-retardant thermoplastic polyurethane material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410316495.9A CN104086976A (en) | 2014-07-05 | 2014-07-05 | Halogen-free flame-retardant thermoplastic polyurethane material |
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| CN104086976A true CN104086976A (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410316495.9A Pending CN104086976A (en) | 2014-07-05 | 2014-07-05 | Halogen-free flame-retardant thermoplastic polyurethane material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106543690A (en) * | 2016-08-30 | 2017-03-29 | 山东方鼎安全玻璃科技有限公司 | A kind of halogen-free flame-retardant conductive TPU materials and its preparation technology |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085862A (en) * | 2002-02-08 | 2007-12-12 | 诺誉有限公司 | Flame retardant thermoplastic polyurethane containing melamine cyanurate |
-
2014
- 2014-07-05 CN CN201410316495.9A patent/CN104086976A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085862A (en) * | 2002-02-08 | 2007-12-12 | 诺誉有限公司 | Flame retardant thermoplastic polyurethane containing melamine cyanurate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106543690A (en) * | 2016-08-30 | 2017-03-29 | 山东方鼎安全玻璃科技有限公司 | A kind of halogen-free flame-retardant conductive TPU materials and its preparation technology |
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Application publication date: 20141008 |