CN101955657A - Environment-friendly high-CTI flame-retardant reinforced nylon 6 material - Google Patents
Environment-friendly high-CTI flame-retardant reinforced nylon 6 material Download PDFInfo
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- CN101955657A CN101955657A CN2010105072243A CN201010507224A CN101955657A CN 101955657 A CN101955657 A CN 101955657A CN 2010105072243 A CN2010105072243 A CN 2010105072243A CN 201010507224 A CN201010507224 A CN 201010507224A CN 101955657 A CN101955657 A CN 101955657A
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- retardant reinforced
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Abstract
The invention relates to an environment-friendly high-CTI flame-retardant reinforced nylon 6 material which comprises the following components in percentage by weight: 47.5-96% of nylon, 3-35% of phosphorus-nitrogen-bromine composite flame retardant, 0.5-15% of flame-retardant synergistic agent, 0.1-2.0% of antioxidant, 0.1-2.0% of lubricant, 5-40% of alkali-free glass fiber and 1.3-5.5% of other assistants. The environment-friendly high-CTI flame-retardant reinforced nylon 6 material has the advantages of favorable comprehensive mechanical properties, good flame retardancy and resistance, excellent injection molding and extruding processabilities, and convenient production and purchase, and conforms to all requirements for environmental protection, thereby comprehensively enhancing the competitive power of the product.
Description
Technical field
The present invention relates to a kind of organic polymer composite, more particularly, relate to high CTI flame-retardant reinforced nylon 6 materials of a kind of environmental protection.The invention still further relates to the method for making high CTI flame-retardant reinforced nylon 6 materials of this environmental protection.
Background technology
Glass fiber reinforced nylon 6 material has good mechanical intensity, has good injection molding simultaneously and extrudes processibility, has been widely used.Increase the fire-retardant fireproof performance on its basis, further enlarged Application Areas.But the creepage trace index (CTI) of general in the market flame-retardant reinforced nylon 6 is not high, generally has only between the 100-275 volt, causes having limited the application for some field of electronics of having relatively high expectations relatively.These fields have at present adopt cost an arm and a leg, special engineering plastics material that processibility is bad.The art of this patent is at this present situation, carried out the systematic research development, obtain positive effect: keeping under good physical strength of flame-retardant reinforced nylon 6 materials and processibility, the good fire-retardant fireproof performance prerequisite, its CTI value is brought up to more than 500, can reach the CTI effect of most special engineering plastics, and material price and common flame-retardant reinforced nylon 6 material prices differ very little, well below general special engineering plastics price.
Summary of the invention
The objective of the invention is to, provide a kind of environmental protection high CTI flame-retardant reinforced nylon 6 materials, comprehensive mechanical performance is good, fire-retardant fireproof is good, the good injection moulding of tool and extrude processing characteristics, and production procurement is convenient, also meets all environmental requirements, comprehensive like this product competitiveness that improved simultaneously.
Technical scheme provided by the invention is as follows: nylon 6:47.5-96%; Phosphorus nitrogen bromine composite flame-retardant agent: 3-35%; Fire retarding synergist: 0.5-15%; Oxidation inhibitor: 0.1-2.0%; Lubricant: 0.1-2.0%; Alkali-free glass fiber: 5-40%; Other auxiliary agents: 1.3-5.5%.
High CTI flame-retardant reinforced nylon 6 preparation methods of environmental protection of the present invention, comprise the steps: earlier nylon 6 and oxidation inhibitor, phosphorus nitrogen bromine composite flame-retardant agent, fire retarding synergist, lubricant, other auxiliary agents proportionally after the weighing in mixer low speed mixing 5 minutes, after more in time through parallel parallel dual-screw extruding machine under the screw combinations situation that medium tenacity is sheared, add alkali-free glass fiber by the side in proportion in the forcing machine stage casing, keeping under the certain vacuum pressure, mixing extruding, water-cooled tie rod pelletizing (also can adopt the underwater cutpellet mode) makes high CTI flame-retardant reinforced nylon 6 materials of environmental protection through screening and dewatering.
High CTI flame-retardant reinforced nylon 6 materials of environmental protection of the present invention, comprehensive mechanical performance is good, and fire-retardant fireproof is good, the good injection moulding of tool and extrude processing characteristics, and production procurement is convenient, also meets all environmental requirements, comprehensive like this product competitiveness that improved simultaneously.
Embodiment
Below be the embodiment of high CTI flame-retardant reinforced nylon 6 materials of environmental protection of the present invention, therefore do not limit protection scope of the present invention.
Embodiment one, provides a kind of environmental protection high CTI flame-retardant reinforced nylon 6 materials, forms nylon 6:43.5% by weight by following composition; Phosphorus nitrogen bromine composite halogen-free fire retardant: 17%; Fire retarding synergist: 5%; Oxidation inhibitor: 0.6%; Lubricant: 0.4%; Other auxiliary agents: 3.5%; Alkali-free glass fiber: 30%.
Earlier with nylon 6 and oxidation inhibitor, phosphorus nitrogen bromine composite flame-retardant agent, fire retarding synergist, lubricant, other auxiliary agents proportionally after the weighing in mixer low speed mixing 5 minutes, mixer adopts low speed mixing, stainless steel, paddle should with the barrel gap less than 0.5 centimetre, the supplementary material mixed effect should visual various particles and powder even substantially, do not have obvious agglomerate or gather, and then in time through parallel parallel dual-screw extruding machine under the screw combinations situation that medium tenacity is sheared, add alkali-free glass fiber by the side in proportion in the forcing machine stage casing, twin screw extruder uses 36 length-to-diameter ratios, keeping under the certain vacuum pressure, mixing extruding, the pelletizing of water-cooled tie rod makes high CTI flame-retardant reinforced nylon 6 materials of environmental protection through screening and dewatering.
The above; it only is the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (2)
1. high CTI flame-retardant reinforced nylon 6 materials of environmental protection is characterized in that, form nylon 6:47.5-96% by weight by following composition; Phosphorus nitrogen bromine composite flame-retardant agent: 3-35%; Fire retarding synergist: 0.5-15%; Oxidation inhibitor: 0.1-2.0%; Lubricant: 0.1-2.0%; Alkali-free glass fiber: 5-40%; Other auxiliary agents: 1.3-5.5%.
2. high CTI flame-retardant reinforced nylon 6 preparation methods of environmental protection, it is characterized in that, comprise the steps: earlier nylon 6 and oxidation inhibitor, phosphorus nitrogen bromine composite halogen-free fire retardant, fire retarding synergist, lubricant, other auxiliary agents proportionally after the weighing in mixer low speed mixing 5 minutes, after more in time through parallel parallel dual-screw extruding machine under the screw combinations situation that medium tenacity is sheared, add alkali-free glass fiber by the side in proportion in the forcing machine stage casing, keeping under the certain vacuum pressure, mixing extruding, water-cooled tie rod pelletizing (also can adopt the underwater cutpellet mode) makes high CTI flame-retardant reinforced nylon 6 materials of environmental protection through screening and dewatering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105072243A CN101955657A (en) | 2010-10-14 | 2010-10-14 | Environment-friendly high-CTI flame-retardant reinforced nylon 6 material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105072243A CN101955657A (en) | 2010-10-14 | 2010-10-14 | Environment-friendly high-CTI flame-retardant reinforced nylon 6 material |
Publications (1)
| Publication Number | Publication Date |
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| CN101955657A true CN101955657A (en) | 2011-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2010105072243A Pending CN101955657A (en) | 2010-10-14 | 2010-10-14 | Environment-friendly high-CTI flame-retardant reinforced nylon 6 material |
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| CN (1) | CN101955657A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352104A (en) * | 2011-08-30 | 2012-02-15 | 广东威林工程塑料有限公司 | Flame retardant reinforced nylon material with high glow wire ignition temperature and preparation method thereof |
| CN102888098A (en) * | 2012-11-05 | 2013-01-23 | 科创聚合物(苏州)有限公司 | Manufacturing process of green environment-friendly high CTI (comparative tracking index) flame-retardant nylon 6 material |
| CN102888104A (en) * | 2012-11-05 | 2013-01-23 | 科创聚合物(苏州)有限公司 | Manufacturing process of high CTI (comparative tracking index) flame-retardant nylon 66 material |
| CN105113044A (en) * | 2015-09-15 | 2015-12-02 | 苏州顺唐化纤有限公司 | Inflaming-retarding polyamide fiber preparing method |
| CN105155020A (en) * | 2015-09-15 | 2015-12-16 | 苏州顺唐化纤有限公司 | Flame-retardant polyamide fiber |
| CN110982254A (en) * | 2019-04-22 | 2020-04-10 | 江苏集萃先进高分子材料研究所有限公司 | Flame-retardant fiber reinforced nylon 6 material and preparation method thereof |
-
2010
- 2010-10-14 CN CN2010105072243A patent/CN101955657A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352104A (en) * | 2011-08-30 | 2012-02-15 | 广东威林工程塑料有限公司 | Flame retardant reinforced nylon material with high glow wire ignition temperature and preparation method thereof |
| CN102352104B (en) * | 2011-08-30 | 2013-06-19 | 广东威林工程塑料有限公司 | Flame retardant reinforced nylon material with high glow wire ignition temperature and preparation method thereof |
| CN102888098A (en) * | 2012-11-05 | 2013-01-23 | 科创聚合物(苏州)有限公司 | Manufacturing process of green environment-friendly high CTI (comparative tracking index) flame-retardant nylon 6 material |
| CN102888104A (en) * | 2012-11-05 | 2013-01-23 | 科创聚合物(苏州)有限公司 | Manufacturing process of high CTI (comparative tracking index) flame-retardant nylon 66 material |
| CN105113044A (en) * | 2015-09-15 | 2015-12-02 | 苏州顺唐化纤有限公司 | Inflaming-retarding polyamide fiber preparing method |
| CN105155020A (en) * | 2015-09-15 | 2015-12-16 | 苏州顺唐化纤有限公司 | Flame-retardant polyamide fiber |
| CN110982254A (en) * | 2019-04-22 | 2020-04-10 | 江苏集萃先进高分子材料研究所有限公司 | Flame-retardant fiber reinforced nylon 6 material and preparation method thereof |
| CN110982254B (en) * | 2019-04-22 | 2022-02-11 | 江苏集萃先进高分子材料研究所有限公司 | Flame-retardant fiber reinforced nylon 6 material and preparation method thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20110126 |