CN101358021A - Non-halogen flame-retarding reinforced PBT plastic - Google Patents
Non-halogen flame-retarding reinforced PBT plastic Download PDFInfo
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- CN101358021A CN101358021A CNA2008100303475A CN200810030347A CN101358021A CN 101358021 A CN101358021 A CN 101358021A CN A2008100303475 A CNA2008100303475 A CN A2008100303475A CN 200810030347 A CN200810030347 A CN 200810030347A CN 101358021 A CN101358021 A CN 101358021A
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Abstract
The invention discloses a halogen-free flame retardant reinforced PBT plastic, which contains the components with the following weight percentage: 37 to 47 percent of valox, 0.3 to 0.8 percent of y-(2, 3 Epoxypropoxy) propyl trimethoxy silicane, 10 to 15 percent of oligomeric resorcinol (diphenylphosphate), 10 to 15 percent of melamine pyrophosphate, 2 to 5 percent of ethylene-methyl acrylate-glycidyl methacrylate copolymer, 0.2 to 0.5 percent of 4-[3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid-Pentaerythritol ester, and 28 to 32 percent of glass fiber. The invention adopts the combination of flame retardant melamine pyrophosphate and halogen-free flame retardant oligomeric resorcinol (diphenylphosphate), and has the good mechanical properties and the flame retardant properties of the halogen-free flame retardant oligomeric resorcinol (diphenylphosphate). The halogen-free flame retardant reinforced PBT plastic prepared with the method has the advantages of high elongation at break, good mechanical properties, no halogen, environment protection, good electrical properties, low corrosive gas, low smoke density, etc, and can be stained.
Description
Technical field
The present invention relates to a kind of flame-retardant reinforced PBT plastic, particularly a kind of non-halogen flame-retarding reinforced PBT plastic that is applied to the not halogen-containing flame retardant of industries such as motor fan, junctor, illumination, rly..
Background technology
Traditional flame-retardant reinforced PBT plastic normally utilizes bromide fire retardant and antimonous oxide composite, because brominated flame retardant can produce a large amount of bromated toxic and harmfuls in combustion processes, thereby brings great harm to human health.Because the pay attention to day by day of people's environmental pollution and safety factors, traditional flame-retardant reinforced PBT plastic that utilizes the brominated flame retardant preparation is faced with challenge.Apple company has announced on July 1st, the 2007 beginning Halogen material of all migrating, companies such as HP, the SONY similar regulation that also releases one after another, and non-halogen trend is more obvious.Therefore people are just putting forth effort to develop non-halogen flame-retarding reinforced PBT plastic, the halogen-free flame retardants that adopts has red phosphorus, inorganic combustion inhibitor (as aluminium hydroxide, magnesium hydroxide) etc. at present, and adopt red phosphorus as the non-halogen flame-retarding reinforced PBT plastic of fire retardant bad painted (can only be used for dark goods), and bad mechanical property, inorganic fire-retarded enhancing PBT plastics must a large amount of use the inorganic combustion inhibitors just can be effective, thus havoc mechanical performance of products.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides the non-halogen flame-retarding reinforced PBT plastic of a kind of good mechanical property, elongation height and good flame retardation effect.
The technical solution adopted for the present invention to solve the technical problems is:
Non-halogen flame-retarding reinforced PBT plastic, it includes the component of following weight percent: polybutylene terephthalate 37～47%, y-(2,3 epoxies, third oxygen) propyl trimethoxy silicane 0.3～0.8%, Resorcinol biphosphonate 10～15%, melamine pyrophosphate 10～15%, ethylene-methyl acrylate-glycidyl methacrylate copolymer 2～5%, four [3-(3,5---di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 0.2～0.5%, glass fibre 28～32%.
Non-halogen flame-retarding reinforced PBT plastic of the present invention can be prepared as follows: the polybutylene terephthalate was dried 4～5 hours down at 100～120 ℃, batch mixes (except the glass fibre) in proportion, get compound, under 225～235 ℃ of extrusion temperatures, compound is successively added with the different charging openings of long glass fibres at twin screw extruder, melt blending, extruding pelletization gets final product.
The invention has the beneficial effects as follows: the present invention adopts and contains nitrogen combustion inhibitor melamine pyrophosphate and the combination of halogen-free flame retardants Resorcinol biphosphonate, can take into account the mechanical property and the flame retardant properties of non-halogen flame-retarding reinforced PBT plastic preferably, the non-halogen flame-retarding reinforced PBT plastic of preparation has characteristics such as elongation at break height, good mechanical property, halogen-free environmental, pigmentable, good electrical property, low-corrosiveness flue gas, low smoke density.
The present invention is further described below in conjunction with embodiment.
Embodiment
Embodiment 1
Get polybutylene terephthalate 48kg, y-(2,3 epoxies, third oxygen) propyl trimethoxy silicane 0.5kg, Resorcinol biphosphonate 10kg, melamine pyrophosphate 10kg, ethylene-methyl acrylate-glycidyl methacrylate copolymer 2kg, four [3-(3,5---di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 0.5kg, glass fibre 30kg is standby, the polybutylene terephthalate was dried 4～5 hours down at 100～120 ℃, batch mixes (except the glass fibre) in proportion again, get compound, under 225～235 ℃ of extrusion temperatures, compound is successively added with the different charging openings of long glass fibres at twin screw extruder, melt blending, extruding pelletization promptly obtain non-halogen flame-retarding reinforced PBT plastic of the present invention.
Embodiment 2
Get polybutylene terephthalate 43kg, y-(2,3 epoxies, third oxygen) propyl trimethoxy silicane 0.7kg, Resorcinol biphosphonate 10kg, melamine pyrophosphate 15kg, ethylene-methyl acrylate-glycidyl methacrylate copolymer 5kg, four [3-(3,5---di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 0.3kg, glass fibre 30kg is standby, the polybutylene terephthalate was dried 4～5 hours down at 100～120 ℃, batch mixes (except the glass fibre) in proportion again, get compound, under 225～235 ℃ of extrusion temperatures, compound is successively added with the different charging openings of long glass fibres at twin screw extruder, melt blending, extruding pelletization promptly obtain non-halogen flame-retarding reinforced PBT plastic of the present invention.
Embodiment 3
Get polybutylene terephthalate 45kg, y-(2,3 epoxies, third oxygen) propyl trimethoxy silicane 0.6kg, Resorcinol biphosphonate 10kg, melamine pyrophosphate 10kg, ethylene-methyl acrylate-glycidyl methacrylate copolymer 5kg, four [3-(3,5---di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 0.4kg, glass fibre 30kg is standby, the polybutylene terephthalate was dried 4～5 hours down at 100～120 ℃, batch mixes (except the glass fibre) in proportion again, get compound, under 225～235 ℃ of extrusion temperatures, compound is successively added with the different charging openings of long glass fibres at twin screw extruder, melt blending, extruding pelletization promptly obtain non-halogen flame-retarding reinforced PBT plastic of the present invention.
Embodiment 4
Get polybutylene terephthalate 40kg, y-(2,3 epoxies, third oxygen) propyl trimethoxy silicane 0.8kg, Resorcinol biphosphonate 15kg, melamine pyrophosphate 10kg, ethylene-methyl acrylate-glycidyl methacrylate copolymer 5kg, four [3-(3,5---di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 0.3kg, glass fibre 30kg is standby, the polybutylene terephthalate was dried 4～5 hours down at 100～120 ℃, batch mixes (except the glass fibre) in proportion again, get compound, under 225～235 ℃ of extrusion temperatures, compound is successively added with the different charging openings of long glass fibres at twin screw extruder, melt blending, extruding pelletization promptly obtain non-halogen flame-retarding reinforced PBT plastic of the present invention.
Claims (1)
1. non-halogen flame-retarding reinforced PBT plastic, it is characterized in that it includes the component of following weight percent: polybutylene terephthalate 37～47%, y-(2,3 epoxies, third oxygen) propyl trimethoxy silicane 0.3～0.8%, Resorcinol biphosphonate 10～15%, melamine pyrophosphate 10～15%, ethylene-methyl acrylate-glycidyl methacrylate copolymer 2～5%, four [3-(3, the 5--di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 0.2～0.5%, glass fibre 28～32%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100303475A CN101358021A (en) | 2008-08-25 | 2008-08-25 | Non-halogen flame-retarding reinforced PBT plastic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100303475A CN101358021A (en) | 2008-08-25 | 2008-08-25 | Non-halogen flame-retarding reinforced PBT plastic |
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| Publication Number | Publication Date |
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| CN101358021A true CN101358021A (en) | 2009-02-04 |
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| CNA2008100303475A Pending CN101358021A (en) | 2008-08-25 | 2008-08-25 | Non-halogen flame-retarding reinforced PBT plastic |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885904A (en) * | 2010-07-19 | 2010-11-17 | 中山市纳普工程塑料有限公司 | Flame-retardant reinforced PBT plastic with non-combustible glowing filament at 750 DEG C and production method thereof |
| CN103073857A (en) * | 2012-12-27 | 2013-05-01 | 宝天高科（广东）有限公司 | Halogen-free heat-proof low-smoke and flame-retardant polyester compound and preparation method thereof |
| CN109370169A (en) * | 2018-10-24 | 2019-02-22 | 江苏亿超工程塑料有限公司 | A kind of high-performance refractory enhancing PBT and preparation method thereof |
-
2008
- 2008-08-25 CN CNA2008100303475A patent/CN101358021A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885904A (en) * | 2010-07-19 | 2010-11-17 | 中山市纳普工程塑料有限公司 | Flame-retardant reinforced PBT plastic with non-combustible glowing filament at 750 DEG C and production method thereof |
| CN101885904B (en) * | 2010-07-19 | 2012-05-09 | 中山市纳普工程塑料有限公司 | Flame-retardant reinforced PBT plastic with non-combustible glowing filament at 750 DEG C and production method thereof |
| CN103073857A (en) * | 2012-12-27 | 2013-05-01 | 宝天高科（广东）有限公司 | Halogen-free heat-proof low-smoke and flame-retardant polyester compound and preparation method thereof |
| CN109370169A (en) * | 2018-10-24 | 2019-02-22 | 江苏亿超工程塑料有限公司 | A kind of high-performance refractory enhancing PBT and preparation method thereof |
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Open date: 20090204 |