CN102898765A - Halogen-free flame-retardant thermoplastic elastomer and preparation method thereof - Google Patents
Halogen-free flame-retardant thermoplastic elastomer and preparation method thereof Download PDFInfo
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- CN102898765A CN102898765A CN 201110221238 CN201110221238A CN102898765A CN 102898765 A CN102898765 A CN 102898765A CN 201110221238 CN201110221238 CN 201110221238 CN 201110221238 A CN201110221238 A CN 201110221238A CN 102898765 A CN102898765 A CN 102898765A
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Abstract
Provided is a halogen-free flame-retardant thermoplastic elastomer and a preparation method thereof. The elastomer is composed of hydrogenated butylbenzene copolymer, softening oil, polyolefin resin, a halogen-free carbonizing agent having a polyaromatic structure and a phosphorus-nitrogen flame retardant. The prepared elastomer has good water resistance and flame retardancy.
Description
Technical field
The present invention relates to the halogen-free flame retardant thermoplastic elastomer material field, be particularly related to and adopt char-forming agent and the phosphor nitrogen combustion inhibitor of polyaryl structure to come flame-retardant thermoplastic elastomer, make material have good water tolerance and flame retardant resistance, can be widely used in communication, automobile and electric with industries such as cables.
Background technology
Common Halogen thermoplastic elastomer adopts intumescent system fire-retardant, and take ammonium polyphosphate (APP) as acid source, tetramethylolmethane is carbon source, tricarbimide melamine salt (MCA) is done source of the gas, in use have very large defective: APP is phosphorous, the nitrogen element, and flame retardant effect is excellent, but water absorbability is large, facile hydrolysis is separated out, tetramethylolmethane is the easy moisture absorption also, makes materials when being applied to field of electronics, causes electrical property to descend, cause puncture, the faults such as short circuit.Patent ZL 200380103321.4 discloses a kind of resin combination for the electric wire and cable covering material.This patent adopts PPO, syndiotactic polystyrene, and olefin elastomer (ethylene-octene copolymer), SEBS and non-halogen fire retardant are prepared from.This system flame retardant properties is superior, good mechanical performance, but ethylene-octene copolymer and SEBS consistency are bad, and fire retardant can be because ethylene-octene copolymer and SEBS compatibility problem produce problems such as separating out, stick at; Patent 200580043390.X discloses a kind of by PPO, HDPE, and the thermoplastic compound that SEBS, organophosphate etc. form, this system exists HDPE and SEBS compatibility problem and flame retardant products to show that easy stickness the problem such as separates out equally; Patent ZL 200610119320.4 adopts PPO, PE, SEBS, red phosphorus and nitrogenated flame retardant (MCA) preparation flame-proof composite material, but the problem that red phosphorus also exists the easy moisture absorption to cause electrical property to descend.
Summary of the invention
Content of the present invention is to provide a kind of halogen-free flame-retardant thermoplastic elastomer and preparation method thereof.Be comprised of hydrogenated styrene-butadiene copolymer, softening oil, polyolefin resin, Halogen char-forming agent and phosphor nitrogen combustion inhibitor with many aromatic structures, the material of preparation has good flame retardant resistance and water tolerance.
For realizing above purpose, technical scheme of the present invention provides a kind of halogen-free flame-retardant thermoplastic elastomer and preparation method thereof, it is characterized in that, it consists of the following composition:
Hydrogenated styrene-butadiene copolymer 10-50%,
Softening oil 0-50%,
Polyolefin resin 0-30%,
Halogen char-forming agent 5-50% with polyaryl structure,
Phosphor nitrogen combustion inhibitor 0-60%
Above-described halogen-free flame-retardant thermoplastic elastomer is characterized in that, described hydrogenated styrene-butadiene copolymer is the SEBS triblock copolymer, and its number-average molecular weight is 10
4-10
5, PS segment content is at 10%-50%.
Above-described halogen-free flame-retardant thermoplastic elastomer is characterized in that, described softening oil is one or more of paraffinic base straight chain hydrocarbon ils and naphthenic oil, and its kinematic viscosity (40 ℃) is at 10-600 (mm2/s).
Above-described halogen-free flame-retardant thermoplastic elastomer is characterized in that, described polyolefin resin is polyethylene, polypropylene and composition thereof.
Above-described halogen-free flame-retardant thermoplastic elastomer is characterized in that, described Halogen char-forming agent with polyaryl structure is polyphenylene oxide, poly-sulphur phenylate, polysulfones, polyether-ether-ketone, polyetherketone, polyimide and composition thereof.
Above-described halogen-free flame-retardant thermoplastic elastomer is characterized in that, described phosphor nitrogen combustion inhibitor is TPP, BDP, RDP, PEPA, MCA, phosphinates and composition thereof.
The preparation method drops in the high mixed pot and stirred extruding pelletization in twin screw extruder 2 minutes for each component is prepared in proportion.
Specific embodiments
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1-6 table 1
| Material name | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| SEBS | 100 | 100 | 100 | 100 | 100 | 100 |
| White oil | 100 | 70 | 100 | 50 | 80 | 60 |
| PP | 80 | 80 | 100 | |||
| PE | 120 | 80 | 80 | |||
| PPO | 60 | 50 | 40 | |||
| PPS | 8 | 50 | 20 | |||
| PEEK | 50 | 20 | ||||
| PEN | 90 | 40 | ||||
| TPP | 20 | 25 | 20 | |||
| BDP | 30 | 40 | 20 | 30 | ||
| PEPA | 10 | |||||
| MCA | 80 | 70 | 60 | 80 | 70 | 60 |
Each component is prepared in proportion, drop in the high mixed pot and stirred 2 minutes, extruding pelletization in twin screw extruder, performance test is as follows:
Test condition ASTM over-all properties, 23 degrees centigrade of test environments, 50%RH table 2
Claims (6)
1. halogen-free flame-retardant thermoplastic elastomer and preparation method thereof consists of the following composition:
Hydrogenated styrene-butadiene copolymer 10-50%,
Softening oil 0-50%,
Polyolefin resin 0-30%,
Halogen char-forming agent 5-50% with polyaryl structure,
Phosphor nitrogen combustion inhibitor 0-60%
2. halogen-free flame-retardant thermoplastic elastomer according to claim 1 is characterized in that, described hydrogenated styrene-butadiene copolymer is the SEBS triblock copolymer, and its number-average molecular weight is 10
4-10
5, PS segment content is at 10%-50%.
3. halogen-free flame-retardant thermoplastic elastomer according to claim 1 is characterized in that, described softening oil is one or more of paraffinic base straight chain hydrocarbon ils and naphthenic oil, and its kinematic viscosity (40 ℃) is at 10-600 (mm2/s).
4. halogen-free flame-retardant thermoplastic elastomer according to claim 1 is characterized in that, described polyolefin resin is polyethylene, polypropylene and composition thereof.
5. halogen-free flame-retardant thermoplastic elastomer according to claim 1 is characterized in that, described Halogen char-forming agent with polyaryl structure is polyphenylene oxide, poly-sulphur phenylate, polysulfones, polyether-ether-ketone, polyetherketone, polyimide and composition thereof.
6. halogen-free flame-retardant thermoplastic elastomer according to claim 1 is characterized in that, described phosphor nitrogen combustion inhibitor is TPP, BDP, RDP, PEPA, MCA, phosphinates and composition thereof.
The preparation method drops in the high mixed pot and stirred extruding pelletization in twin screw extruder 2 minutes for each component is prepared in proportion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110221238 CN102898765A (en) | 2011-07-28 | 2011-07-28 | Halogen-free flame-retardant thermoplastic elastomer and preparation method thereof |
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|---|---|---|---|
| CN 201110221238 CN102898765A (en) | 2011-07-28 | 2011-07-28 | Halogen-free flame-retardant thermoplastic elastomer and preparation method thereof |
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| CN102898765A true CN102898765A (en) | 2013-01-30 |
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| CN 201110221238 Pending CN102898765A (en) | 2011-07-28 | 2011-07-28 | Halogen-free flame-retardant thermoplastic elastomer and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910990A (en) * | 2014-04-03 | 2014-07-09 | 江苏领瑞新材料科技有限公司 | Thermoplastic halogen-free flame-retardant polyphenyl ether elastomer cable material and preparation method thereof |
| CN104497468A (en) * | 2015-01-19 | 2015-04-08 | 胡运冲 | High-strength heat-resistant styrene thermoplastic elastomer and preparation method thereof |
| CN104945825A (en) * | 2015-05-27 | 2015-09-30 | 嘉兴市博尔塑胶有限公司 | TPE composite for coating of high-weather-resistant and high-strength bag fabrics and preparation method thereof |
| CN106905627A (en) * | 2017-04-11 | 2017-06-30 | 常州市五洲环保科技有限公司 | A kind of flexible PVC is with without antimony composite flame-retardant agent |
| CN108395662A (en) * | 2018-02-27 | 2018-08-14 | 广东金源科技股份有限公司 | A kind of environmental protection gas mask TPE material and preparation method thereof |
| CN108997581A (en) * | 2018-09-12 | 2018-12-14 | 北京工商大学 | A kind of Silicone Containing Polyimides type macromolecule carbon forming agent and preparation method thereof |
| CN109206829A (en) * | 2018-08-22 | 2019-01-15 | 宁波市青湖弹性体科技有限公司 | A kind of resistance to precipitation halogen-free flame-retardant thermoplastic elastomer composition of high yellowing-resistant and preparation method thereof |
-
2011
- 2011-07-28 CN CN 201110221238 patent/CN102898765A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910990A (en) * | 2014-04-03 | 2014-07-09 | 江苏领瑞新材料科技有限公司 | Thermoplastic halogen-free flame-retardant polyphenyl ether elastomer cable material and preparation method thereof |
| CN104497468A (en) * | 2015-01-19 | 2015-04-08 | 胡运冲 | High-strength heat-resistant styrene thermoplastic elastomer and preparation method thereof |
| CN104945825A (en) * | 2015-05-27 | 2015-09-30 | 嘉兴市博尔塑胶有限公司 | TPE composite for coating of high-weather-resistant and high-strength bag fabrics and preparation method thereof |
| CN104945825B (en) * | 2015-05-27 | 2017-10-24 | 嘉兴市博尔塑胶有限公司 | High durable, high-strength box infantees coating TPE compositions and preparation method thereof |
| CN106905627A (en) * | 2017-04-11 | 2017-06-30 | 常州市五洲环保科技有限公司 | A kind of flexible PVC is with without antimony composite flame-retardant agent |
| CN108395662A (en) * | 2018-02-27 | 2018-08-14 | 广东金源科技股份有限公司 | A kind of environmental protection gas mask TPE material and preparation method thereof |
| CN109206829A (en) * | 2018-08-22 | 2019-01-15 | 宁波市青湖弹性体科技有限公司 | A kind of resistance to precipitation halogen-free flame-retardant thermoplastic elastomer composition of high yellowing-resistant and preparation method thereof |
| CN109206829B (en) * | 2018-08-22 | 2020-12-01 | 宁波市青湖弹性体科技有限公司 | High-yellowing-resistance precipitation-resistance halogen-free flame-retardant thermoplastic elastomer composition and preparation method thereof |
| CN108997581A (en) * | 2018-09-12 | 2018-12-14 | 北京工商大学 | A kind of Silicone Containing Polyimides type macromolecule carbon forming agent and preparation method thereof |
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Application publication date: 20130130 |