CN103012919A - Flame-retardant glass fiber-reinforced HDPE/PA1010 alloy material with high CTI value and high GWIT value - Google Patents
Flame-retardant glass fiber-reinforced HDPE/PA1010 alloy material with high CTI value and high GWIT value Download PDFInfo
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- CN103012919A CN103012919A CN2012105198325A CN201210519832A CN103012919A CN 103012919 A CN103012919 A CN 103012919A CN 2012105198325 A CN2012105198325 A CN 2012105198325A CN 201210519832 A CN201210519832 A CN 201210519832A CN 103012919 A CN103012919 A CN 103012919A
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Abstract
The invention discloses a flame-retardant glass fiber-reinforced HDPE/PA1010 alloy material with a high CTI value and a high GWIT value. The alloy material comprises the following components: by weight, 23 to 41% of HDPE, 22 to 41% of PA1010, 6 to 15% of a compound fire retardant, 3 to 10% of antimonony oxide, 20 to 30% of a glass fiber, 2 to 9% of a compatilizer, 0.1 to 1% of an anti-oxidant and 0.1 to 1% of an oxide. A preparation method for the alloy material comprises the following steps: weighing the components in proportion, adding the weighed components into a high-speed mixer for mixing for 2 to 5 min, then carrying out discharging and finally carrying out extrusion granulation in a twin-screw extruder, wherein processing temperature is 200 to 220 DEG C and screw revolution is 30 to 40 Hz. The alloy material provided by the invention has the advantages of a high CTI value, a high GWIT value, environment-friendliness and balanced comprehensive properties and can be extensively used for low-voltage electronic capacitor shells, load break switches, carbon brush supports and molded case circuit breakers.
Description
Technical field
The present invention relates to a kind of HDPE/PA1010 alloy material, relate to particularly a kind of high CTI value, high GWIT value flame-proof glass fibre enhancing HDPE/PA1010 alloy material.
Background technology
Nylon (Nylon), the Chinese name polymeric amide, English name Polyamide (be called for short PA), be contain on the molecular backbone chain recurring amide radical group-[NHC0]-the thermoplastic resin general name.Its name is decided by the concrete carbonatoms of synthon, as: nylon-6,66,1010,610.Its degree of crystallinity is high, fusing point is obvious; Surface hardness is large, abrasion performance, frictional coefficient are little, self lubricity and noise reduction are arranged.Low-temperature performance is good, and certain thermotolerance (can use below 100 degree) is arranged.Nontoxic, odorless, mildew and rot self-extinguishing, good weatherability are arranged, but dyeability are poor.High density polyethylene(HDPE) (High Density Polyethylene is referred to as " HDPE ") is that a kind of degree of crystallinity is high, nonpolar thermoplastic resin.The milky appearance of ortho states HDPE is to a certain degree translucent in meagre cross section.PE has good anti-great majority life and the characteristic of chemicals for industrial use.The chemical of some kind can produce chemical corrosion, for example corrosive oxidation agent (concentrated nitric acid), aromatic hydrocarbon (dimethylbenzene) and halon (tetracol phenixin).This polymkeric substance is non-hygroscopic and have good steam-preventing, can be used for packing purposes.HDPE has good electrical property, and particularly dielectric strength is high, makes it be applicable to very much electric wire.In have fabulous shock resistance to the high molecular grade, at normal temperature even all like this under-40F low temperature.The HDPE/PA1010 alloy material combines the advantage of bi-material.In future, electronics, electric, communication, household electrical appliances and electromechanical equipment are to the high-performance micro development, and more and more higher to the requirement of Flame Retardant HDPE/PA1010 alloy material, simultaneously, along with the understanding of the mankind to environmental protection, Green Product is subject to common concern.Therefore, Flame Retardant HDPE/PA1010 alloy material developing direction is: performance function Flame Retardant HDPE/PA1010 alloy material becomes main flow; The kind of environmental type Flame Retardant HDPE/PA1010 alloy material and demand are more and more; The production of Flame Retardant HDPE/PA1010 alloy material is to many variety series future development; The use diversification of fire retardant, compound development.Some traditional modes are (GF+ TDE+antimonous oxide) compound system, (GF+ brominated Polystyrene+antimonous oxide) compound system, but the CTI value of these compound systems (creepage trace index) and GWIT value (glow wire temperature) are not high, are not suitable for the power utilization environment of high request.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass to strengthen HDPE/PA1010 alloy material and preparation method thereof for the defective that overcomes above-mentioned prior art existence.Advantage of the present invention is to have high GWIT value and high CTI value, environmental protection, and over-all properties is balanced, can be widely used in Low-voltage Electronic capacitor case, load break switch, carbon brush supports and breaker of plastic casing.
First purpose of the present invention is achieved through the following technical solutions, a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen the HDPE/PA1010 alloy material, each component of described alloy material and the weight percent content of each component thereof are: HDPE 23～41%, PA1010 22～41%, compound flame redundant 6～15%, antimonous oxide 3～10%, glass fibre 20～30%, compatilizer 2～9%, oxidation inhibitor 0.1～1%, oxide compound 0.1～1%.
Preferably, the limiting viscosity of described PA1010 is 2.8dl/g.
Preferably, the component of described compound flame redundant and the weight percent content of each component thereof are: BPS 50%, magnesium hypophosphite 25%, talcum powder 25%.
Preferably, described glass fibre is the alkali free glass fibre that process through silane coupling agent on the surface.
Preferably, described compatilizer is maleic anhydride graft HDPE.
Preferably, described oxidation inhibitor is the high molecular weight hindered phenols kind antioxidant, and further preferred, described oxidation inhibitor is oxidation inhibitor 1330.
Preferably, described oxide compound is ferric oxide.
Another object of the present invention is achieved through the following technical solutions, a kind of method for preparing above-mentioned high CTI value, high GWIT value environment-protection flame-proof fiberglass enhancing HDPE/PA1010 alloy material, said method comprising the steps of: take by weighing each component: HDPE 23～41% by following component and weight percent content thereof, PA1010 22～41%, compound flame redundant 6～15%, antimonous oxide 3～10%, glass fibre 20～30%, compatilizer 2～9%, oxidation inhibitor 0.1～1%, oxide compound 0.1～1%; Put into high-speed mixer and mixing 2～5 minutes, then discharging uses the twin screw extruder extruding pelletization, and processing temperature is at 200～220 ℃, and the screw rod revolution is at 30～40Hz.
Compared with prior art, the present invention has following technique effect: the present invention adopts the novel flame-retardant compound system, compare with traditional flame-retardant system, in the identical situation of fire retardant degree, the novel built system can make the glowing filament of material improve 50 to 100 ℃, can pass through 850 ℃ of glowing filaments; Simultaneously, the adding of glass fibre also makes the glowing filament of material significantly improve; Adding compatilizer is be used to the impact property of improving material; Oxidation inhibitor is a kind of Hinered phenols antioxidant, can improve composition in the antioxidant property of the course of processing and the ageing resistance in the use procedure; Adopt ferric oxide as improving the CTI auxiliary agent, improve the materials processing flowability, reduce frictional coefficient, improve slipping, under specific processing conditions, adopt good dispersity, residence time weak point, shear weak combination, prevent that fire retardant from decomposing, thereby guaranteed the steady quality of material.Advantage of the present invention is to have high GWIT value and high CTI value, environmental protection, and over-all properties is balanced, can be widely used in Low-voltage Electronic capacitor case, load break switch, carbon brush supports and breaker of plastic casing.
Embodiment
The present invention is described in detail below in conjunction with specific embodiment.Following examples will help those skilled in the art further to understand the present invention, but not limit in any form the present invention.Should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
Embodiment 1
Present embodiment relates to a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthens HDPE/PA1010 alloy material and preparation method thereof.
Each component of described alloy material and the weight percent content of each component thereof are: HDPE 41%, and PA1010 22%, compound flame redundant 6%, antimonous oxide 8.8%, glass fibre 20%, maleic anhydride graft HDPE 2%, oxidation inhibitor (1330) 0.1%, ferric oxide 0.1%.
The preparation method of described alloy material may further comprise the steps: take by weighing each component: HDPE 41% by following component and weight percent content thereof, PA1010 22%, compound flame redundant 6%, antimonous oxide 8.8%, glass fibre 20%, maleic anhydride graft HDPE 2%, oxidation inhibitor (1330) 0.1%, ferric oxide 0.1%; Put into high-speed mixer and mixing 2 minutes, then discharging uses the twin screw extruder extruding pelletization, and processing temperature is at 220 ℃, and the screw rod revolution is at 30Hz; Each section of screw extrusion press temperature is as shown in table 2.
Described compound flame redundant is mixed by three kinds of components, and the weight percent content of each component is: BPS 50%, magnesium hypophosphite 25%, talcum powder 25%.
Embodiment 2
Present embodiment relates to a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthens HDPE/PA1010 alloy material and preparation method thereof.
Each component of described alloy material and the weight percent content of each component thereof are: HDPE 23%, and PA1010 41%, compound flame redundant 7%, antimonous oxide 3%, glass fibre 21%, maleic anhydride graft HDPE 3%, oxidation inhibitor (1330) 1%, ferric oxide 1%.
The preparation method of described alloy material may further comprise the steps: take by weighing each component: HDPE 23% by following component and weight percent content thereof, PA1010 41%, compound flame redundant 7%, antimonous oxide 3%, glass fibre 21%, maleic anhydride graft HDPE 3%, oxidation inhibitor (1330) 1%, ferric oxide 1%; Put into high-speed mixer and mixing 5 minutes, then discharging uses the twin screw extruder extruding pelletization, and processing temperature is at 200 ℃, and the screw rod revolution is at 40Hz; Each section of screw extrusion press temperature is as shown in table 2.
Described compound flame redundant is mixed by three kinds of components, and the weight percent content of each component is: BPS 50%, magnesium hypophosphite 25%, talcum powder 25%.
Described glass fibre is alkali free glass fibre, and glass fibre is added in the silane coupling agent, and its surface is processed through silane coupling agent.
Embodiment 3
Present embodiment relates to a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthens HDPE/PA1010 alloy material and preparation method thereof.
Each component of described alloy material and the weight percent content of each component thereof are: HDPE 25%, and PA1010 25%, compound flame redundant 8%, antimonous oxide 5%, glass fibre 30%, maleic anhydride graft HDPE 6%, oxidation inhibitor (1330) 0.5%, ferric oxide 0.5%.
The preparation method of described alloy material may further comprise the steps: take by weighing each component: HDPE 25% by following component and weight percent content thereof, PA1010 25%, compound flame redundant 8%, antimonous oxide 5%, glass fibre 30%, maleic anhydride graft HDPE 6%, oxidation inhibitor (1330) 0.5%, ferric oxide 0.5%; Put into high-speed mixer and mixing 3 minutes, then discharging uses the twin screw extruder extruding pelletization, and processing temperature is at 210 ℃, and the screw rod revolution is at 35Hz; Each section of screw extrusion press temperature is as shown in table 2.
Described compound flame redundant is mixed by three kinds of components, and the weight percent content of each component is: BPS 50%, magnesium hypophosphite 25%, talcum powder 25%.
Embodiment 4
Present embodiment relates to a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthens HDPE/PA1010 alloy material and preparation method thereof.
Each component of described alloy material and the weight percent content of each component thereof are: HDPE 23%, and PA1010 22%, compound flame redundant 15%, antimonous oxide 10%, glass fibre 20%, maleic anhydride graft HDPE 9%, oxidation inhibitor (1330) 0.4%, ferric oxide 0.6%.
The preparation method of described alloy material may further comprise the steps: take by weighing each component: HDPE 23% by following component and weight percent content thereof, PA1010 22%, compound flame redundant 15%, antimonous oxide 10%, glass fibre 20%, maleic anhydride graft HDPE 9%, oxidation inhibitor (1330) 0.4%, ferric oxide 0.6%; Put into high-speed mixer and mixing 3 minutes, then discharging uses the twin screw extruder extruding pelletization, and processing temperature is at 220 ℃, and the screw rod revolution is at 38Hz; Each section of screw extrusion press temperature is as shown in table 2.
Described compound flame redundant is mixed by three kinds of components, and the weight percent content of each component is: BPS 50%, magnesium hypophosphite 25%, talcum powder 25%.
Comparative Examples 1～3
Comparative Examples 1～3 provides respectively a kind of alloy material, and the component of alloy material and the weight percent content of each component are as shown in table 1, and the preparation method is with embodiment 1; Each section of screw extrusion press temperature is as shown in table 2.
Component and the content of the alloy material among table 1 Comparative Examples 1～3 and the embodiment 1～4
Each section of screw extrusion press temperature among the alloy material preparation method among table 2 Comparative Examples 1～3 and the embodiment 1～4
Implementation result
Get the alloy material that Comparative Examples 1～3 and embodiment 1～4 make, adopt the ASTM standard to carry out the performance test contrast, the properties test comparison is as shown in table 3, the sample of the present invention's preparation has high GWIT value and high CTI value as can be seen from Table 3, environmental protection, over-all properties is balanced, is widely used in Low-voltage Electronic capacitor case, load break switch, carbon brush supports and breaker of plastic casing.
Table 3 Comparative Examples 1～3 and embodiment 1～4 interalloy material properties test result (ASTM standard)
More than specific embodiments of the invention are described.It will be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (9)
1. a high CTI value, high GWIT value flame-proof glass fibre strengthen the HDPE/PA1010 alloy material, it is characterized in that, each component of described alloy material and the weight percent content of each component thereof are: HDPE23～41%, PA101022～41%, compound flame redundant 6～15%, antimonous oxide 3～10%, glass fibre 20～30%, compatilizer 2～9%, oxidation inhibitor 0.1～1%, oxide compound 0.1～1%.
2. high CTI value as claimed in claim 1, high GWIT value flame-proof glass fibre strengthen the HDPE/PA1010 alloy material, it is characterized in that the limiting viscosity of described PA1010 is 2.8dl/g.
3. high CTI value as claimed in claim 1, high GWIT value flame-proof glass fibre strengthen the HDPE/PA1010 alloy material, it is characterized in that, the component of described compound flame redundant and the weight percent content of each component thereof are: BPS50%, magnesium hypophosphite 25%, talcum powder 25%.
4. high CTI value as claimed in claim 1, high GWIT value flame-proof glass fibre strengthen the HDPE/PA1010 alloy material, it is characterized in that, described glass fibre is the alkali free glass fibre that process through silane coupling agent on the surface.
5. high CTI value as claimed in claim 1, high GWIT value flame-proof glass fibre strengthen the HDPE/PA1010 alloy material, it is characterized in that described compatilizer is maleic anhydride graft HDPE.
6. high CTI value as claimed in claim 1, high GWIT value flame-proof glass fibre strengthen the HDPE/PA1010 alloy material, it is characterized in that described oxidation inhibitor is the high molecular weight hindered phenols kind antioxidant.
7. high CTI value as claimed in claim 6, high GWIT value flame-proof glass fibre strengthen the HDPE/PA1010 alloy material, it is characterized in that described oxidation inhibitor is oxidation inhibitor 1330.
8. high CTI value as claimed in claim 1, high GWIT value flame-proof glass fibre strengthen the HDPE/PA1010 alloy material, it is characterized in that described oxide compound is ferric oxide.
9. one kind prepares the method that high CTI value claimed in claim 1, high GWIT value flame-proof glass fibre strengthen the HDPE/PA1010 alloy material, it is characterized in that, said method comprising the steps of: take by weighing each component: HDPE23～41% by following component and weight percent content thereof, PA101022～41%, compound flame redundant 6～15%, antimonous oxide 3～10%, glass fibre 20～30%, compatilizer 2～9%, oxidation inhibitor 0.1～1%, oxide compound 0.1～1%; Put into high-speed mixer and mixing 2～5 minutes, then discharging uses the twin screw extruder extruding pelletization, and processing temperature is at 200～220 ℃, and the screw rod revolution is at 30～40Hz.
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| CN201210519832.5A CN103012919B (en) | 2012-12-06 | 2012-12-06 | Flame-retardant glass fiber-reinforced HDPE/PA1010 alloy material with high CTI value and high GWIT value |
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| CN201210519832.5A CN103012919B (en) | 2012-12-06 | 2012-12-06 | Flame-retardant glass fiber-reinforced HDPE/PA1010 alloy material with high CTI value and high GWIT value |
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| CN103012919A true CN103012919A (en) | 2013-04-03 |
| CN103012919B CN103012919B (en) | 2015-03-25 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418093A (en) * | 2007-10-26 | 2009-04-29 | 张发饶 | Polyethylene/nylon plastic alloy and production method thereof and compatible binder thereof |
| CN102086301A (en) * | 2009-12-08 | 2011-06-08 | 天津德昊超微新材料有限公司 | Flame-retardant PA (Polyamide)/PE (Poly Ethylene) alloy material for electric switch |
| CN102108187A (en) * | 2009-12-28 | 2011-06-29 | 上海日之升新技术发展有限公司 | High glowing filament environmental-friendly inflaming retarding reinforced polybutylece terephthalate (PBT)/acrylonitrile butadiene styrene (ABS) alloy material and preparation method thereof |
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- 2012-12-06 CN CN201210519832.5A patent/CN103012919B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418093A (en) * | 2007-10-26 | 2009-04-29 | 张发饶 | Polyethylene/nylon plastic alloy and production method thereof and compatible binder thereof |
| CN102086301A (en) * | 2009-12-08 | 2011-06-08 | 天津德昊超微新材料有限公司 | Flame-retardant PA (Polyamide)/PE (Poly Ethylene) alloy material for electric switch |
| CN102108187A (en) * | 2009-12-28 | 2011-06-29 | 上海日之升新技术发展有限公司 | High glowing filament environmental-friendly inflaming retarding reinforced polybutylece terephthalate (PBT)/acrylonitrile butadiene styrene (ABS) alloy material and preparation method thereof |
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