CN103881318A - Polybutylene telephthalate glass fiber-added flame retardant anti-static material - Google Patents
Polybutylene telephthalate glass fiber-added flame retardant anti-static material Download PDFInfo
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- CN103881318A CN103881318A CN201210561494.1A CN201210561494A CN103881318A CN 103881318 A CN103881318 A CN 103881318A CN 201210561494 A CN201210561494 A CN 201210561494A CN 103881318 A CN103881318 A CN 103881318A
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- polybutylene terephthalate
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Abstract
The invention discloses a polybutylene telephthalate glass fiber-added flame retardant anti-static material, comprising, by mass, 30 to 60% of polybutylene telephthalate, 10 to 30% of a glass fiber, 10 to 20% of a compound fire retardant, 5 to 15% of an antistatic master batch, 5 to 10% of a flexibilizer, 5 to 15% of micrometer calcium carbonate, 0.1 to 2% of a lubricating agent and 0.1 to 1% of an anti-oxidant. The invention has the following beneficial effects: compared with the prior art, the polybutylene telephthalate material prepared has the characteristics of substantially improved notch impact strength, rigidity and heat resistance and retained good tensile strength through addition of the glass fiber, the compound fire retardant, the antistatic master batch and the like and has high flame retardation efficiency, good anti-static performance (surface resistivity of up to 10<8> to 10<10> omega.cm) and excellent electrical performance.
Description
Technical field
The present invention relates to a kind of technical field of polymer materials, specifically a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material.
Background technology
Polybutylene terephthalate (PBT) is the linear saturated polyester resin of a kind of crystal type, the industries such as electronic apparatus, household electrical appliances, automotive industry are widely used in, but because it exists the defects such as notched Izod impact strength is low, fragility large, flame retardant resistance is not high, static resistance is not enough, limit its application in some field.
Summary of the invention
The object of the present invention is to provide a kind of good heat resistance, intensity high and there is the polybutylene terephthalate fibre-added fire-retardant antistatic material of superior electrical performance.
The technical solution adopted for the present invention to solve the technical problems is: a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material, its component by mass percent proportioning is: polybutylene terephthalate 30%～60%, glass fibre 10%～30%, compound flame redundant 10%～20%, antistatic master granule 5%～15%, toughner 5%～10%, micro-calcium carbonate 5%～15%, lubricant 0.1%～2%, oxidation inhibitor 0.1%～1%.
Described glass fibre is the coated alkali free glass fibre of processing of silane.
Described compound flame redundant is the compound of poly-2,6-dibromo phenylene ether 50wt%, phospho acid aluminium 25wt% and magnesium hydroxide 25wt% three mixing.
The antistatic master granule that described antistatic master granule is made up of 75wt% carrier, 20wt% static inhibitor and 5wt% pentaerythritol stearate, wherein, described carrier is the mixture of a kind of or both any proportionings in polybutylene terephthalate (PBT), polyethylene terephthalate (PET), and static inhibitor is the one in two (2-hydroxyethyl) octyl group methyl biconjugate ammonium tosylates, quaternary ammonium compound, alkylsulfonate, stearic acid monoglycerides (GMS), polyether ester, Nanometer-sized Antimony-doped stannic oxide (ATO).
Described toughner is the one in ethylene-methyl acrylate-glyceryl methacrylate terpolymer (E-MA-GMA), maleic anhydride grafted ethene-propylene-non-conjugated diene hydrocarbon copolymer (EPDM-g-MAH), maleic anhydride extension bar ethylene-octene copolymer (POE-g-MAH), maleic anhydride graft styrene-butadiene-styrene (SBS-g-MAH).
Described micro-calcium carbonate is that particle diameter is between 0.5 μ m～10 μ m and through the coated micro-calcium carbonate of processing of silane.
Described lubricant is polysiloxane or ethylene bis stearic amide.
Described oxidation inhibitor is the compound of hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168.
The preparation method of above-mentioned a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material, comprises the following steps:
(1) take by weight ratio poly-2,6-dibromo phenylene ether 50wt%, phospho acid aluminium 25wt% and magnesium hydroxide 25wt%, make to mix, make compound flame redundant, then at 80 ℃～85 ℃, be dried 30～45 minutes, stand-by;
(2) polybutylene terephthalate is dried to 3～5 hours at 130 ℃～140 ℃, moisture control is below 0.03%, stand-by;
(3) prepare antistatic master granule: prepare burden and take by weight carrier, static inhibitor and pentaerythritol stearate, then add in high-speed mixer or ultrasonic generator and mix 10～30 minutes, again the material mixing added to twin screw extruder melt blending, cooling, pelletizing, make antistatic master granule after dry, stand-by;
(4) take by weight ratio polybutylene terephthalate, compound flame redundant and the antistatic master granule after drying treatment, after mixing, add again the glass fibre, toughner, micro-calcium carbonate, lubricant and the oxidation inhibitor that take by weight ratio, then add together in high-speed mixer and fully mix 10～30 minutes;
(5) material again step (4) being mixed adds and in twin screw extruder, carries out abundant fusion plastification and mediate mixing, melt temperature is controlled at 170 ℃～230 ℃, after extruding by twin screw extruder, obtain a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material of the present invention through overcooling, pelletizing, after dry.
The invention has the beneficial effects as follows, compared with prior art, the present invention is by adding the prepared polybutylene terephthalates such as glass fibre, compound flame redundant and antistatic master granule, have and significantly improve notch impact toughness, rigidity and the stable on heating feature that simultaneously keeps better tensile strength, and flame-retarded efficiency is high, antistatic static stability is good, and (surface resistivity can reach 10
8～10
10Ω cm), excellent electrical properties, can be widely used in the fields such as electric, automotive industry, mechanical fitting, building structure, has a extensive future.
Embodiment
Further illustrate technical scheme of the present invention below in conjunction with specific embodiment.
Embodiment 1:
A kind of polybutylene terephthalate fibre-added fire-retardant antistatic material, its component by mass percent proportioning is: polybutylene terephthalate 35%, glass fibre 20%, compound flame redundant 15%, antistatic master granule 10%, ethylene-methyl acrylate-glyceryl methacrylate terpolymer (E-MA-GMA) 8%, micro-calcium carbonate 10%, polysiloxane 1.5%, the compound 0.5% of hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168, wherein, described glass fibre is the coated alkali free glass fibre of processing of silane, described compound flame redundant is poly-2, 6-dibromo phenylene ether 50wt%, the compound that phospho acid aluminium 25wt% and magnesium hydroxide 25wt% three mix, described antistatic master granule is by 75wt% polybutylene terephthalate (PBT), the antistatic master granule of two (2-hydroxyethyl) the octyl group methyl biconjugate ammonium tosylates of 20wt% and 5wt% pentaerythritol stearate composition, described micro-calcium carbonate is that particle diameter is between 0.5 μ m～10 μ m and through the coated micro-calcium carbonate of processing of silane.
Preparation method: (1) takes poly-2,6-dibromo phenylene ether 50wt%, phospho acid aluminium 25wt% and magnesium hydroxide 25wt% by weight ratio, makes to mix, and makes compound flame redundant, is then dried 30～45 minutes at 80 ℃～85 ℃, stand-by; (2) polybutylene terephthalate is dried to 3～5 hours at 130 ℃～140 ℃, moisture control is below 0.03%, stand-by; (3) prepare antistatic master granule: prepare burden and take by weight polybutylene terephthalate (PBT), two (2-hydroxyethyl) octyl group methyl biconjugate ammonium tosylate and pentaerythritol stearate, then add in high-speed mixer or ultrasonic generator and mix 10～30 minutes, again the material mixing added to twin screw extruder melt blending, cooling, pelletizing, make antistatic master granule after dry, stand-by; (4) take by weight ratio polybutylene terephthalate, compound flame redundant and the antistatic master granule after drying treatment, after mixing, the compound that adds again the glass fibre, ethylene-methyl acrylate-glyceryl methacrylate terpolymer (E-MA-GMA), micro-calcium carbonate, polysiloxane and hindered phenol antioxygen 1076 and the phosphite ester kind antioxidant 168 that take by weight ratio, then adds together in high-speed mixer and fully mixes 10～30 minutes; (5) material again step (4) being mixed adds and in twin screw extruder, carries out abundant fusion plastification and mediate mixing, melt temperature is controlled at 170 ℃～230 ℃, after extruding by twin screw extruder, obtain a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material of the present invention through overcooling, pelletizing, after dry.
Embodiment 2:
A kind of polybutylene terephthalate fibre-added fire-retardant antistatic material, its component by mass percent proportioning is: polybutylene terephthalate 30%, glass fibre 20%, compound flame redundant 20%, antistatic master granule 10%, maleic anhydride extension bar ethylene-octene copolymer (POE-g-MAH) 6%, micro-calcium carbonate 12%, polysiloxane 1.5%, the compound 0.5% of hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168, wherein, described glass fibre is the coated alkali free glass fibre of processing of silane, described compound flame redundant is poly-2, 6-dibromo phenylene ether 50wt%, the compound that phospho acid aluminium 25wt% and magnesium hydroxide 25wt% three mix, described antistatic master granule is by 75wt% polybutylene terephthalate (PBT), the antistatic master granule of 20wt% stearic acid monoglycerides (GMS) and 5wt% pentaerythritol stearate composition, described micro-calcium carbonate is that particle diameter is between 0.5 μ m～10 μ m and through the coated micro-calcium carbonate of processing of silane.
Preparation method: (1) takes poly-2,6-dibromo phenylene ether 50wt%, phospho acid aluminium 25wt% and magnesium hydroxide 25wt% by weight ratio, makes to mix, and makes compound flame redundant, is then dried 30～45 minutes at 80 ℃～85 ℃, stand-by; (2) polybutylene terephthalate is dried to 3～5 hours at 130 ℃～140 ℃, moisture control is below 0.03%, stand-by; (3) prepare antistatic master granule: prepare burden and take by weight polybutylene terephthalate (PBT), stearic acid monoglycerides (GMS) and pentaerythritol stearate, then add in high-speed mixer or ultrasonic generator and mix 10～30 minutes, again the material mixing added to twin screw extruder melt blending, cooling, pelletizing, make antistatic master granule after dry, stand-by; (4) take by weight ratio polybutylene terephthalate, compound flame redundant and the antistatic master granule after drying treatment, after mixing, the compound that adds again the glass fibre, maleic anhydride extension bar ethylene-octene copolymer (POE-g-MAH), micro-calcium carbonate, polysiloxane and hindered phenol antioxygen 1076 and the phosphite ester kind antioxidant 168 that take by weight ratio, then adds together in high-speed mixer and fully mixes 10～30 minutes; (5) material again step (4) being mixed adds and in twin screw extruder, carries out abundant fusion plastification and mediate mixing, melt temperature is controlled at 170 ℃～230 ℃, after extruding by twin screw extruder, obtain a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material of the present invention through overcooling, pelletizing, after dry.
Embodiment 3:
A kind of polybutylene terephthalate fibre-added fire-retardant antistatic material, its component by mass percent proportioning is: polybutylene terephthalate 55%, glass fibre 12%, compound flame redundant 10%, antistatic master granule 5%, maleic anhydride graft styrene-butadiene-styrene (SBS-g-MAH) 6%, micro-calcium carbonate 10%, ethylene bis stearic amide 1%, the compound 1% of hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168, wherein, described glass fibre is the coated alkali free glass fibre of processing of silane, described compound flame redundant is poly-2, 6-dibromo phenylene ether 50wt%, the compound that phospho acid aluminium 25wt% and magnesium hydroxide 25wt% three mix, described antistatic master granule is by 75wt% polybutylene terephthalate (PBT), the antistatic master granule of 20wt% Nanometer-sized Antimony-doped stannic oxide (ATO) and 5wt% pentaerythritol stearate composition, described micro-calcium carbonate is that particle diameter is between 0.5 μ m～10 μ m and through the coated micro-calcium carbonate of processing of silane.
Preparation method: (1) takes poly-2,6-dibromo phenylene ether 50wt%, phospho acid aluminium 25wt% and magnesium hydroxide 25wt% by weight ratio, makes to mix, and makes compound flame redundant, is then dried 30～45 minutes at 80 ℃～85 ℃, stand-by; (2) polybutylene terephthalate is dried to 3～5 hours at 130 ℃～140 ℃, moisture control is below 0.03%, stand-by; (3) prepare antistatic master granule: prepare burden and take by weight polybutylene terephthalate (PBT), Nanometer-sized Antimony-doped stannic oxide (ATO) and pentaerythritol stearate, then add in high-speed mixer or ultrasonic generator and mix 10～30 minutes, again the material mixing added to twin screw extruder melt blending, cooling, pelletizing, make antistatic master granule after dry, stand-by; (4) take by weight ratio polybutylene terephthalate, compound flame redundant and the antistatic master granule after drying treatment, after mixing, the compound that adds again the glass fibre, maleic anhydride graft styrene-butadiene-styrene (SBS-g-MAH), micro-calcium carbonate, ethylene bis stearic amide and hindered phenol antioxygen 1076 and the phosphite ester kind antioxidant 168 that take by weight ratio, then adds together in high-speed mixer and fully mixes 10～30 minutes; (5) material again step (4) being mixed adds and in twin screw extruder, carries out abundant fusion plastification and mediate mixing, melt temperature is controlled at 170 ℃～230 ℃, after extruding by twin screw extruder, obtain a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material of the present invention through overcooling, pelletizing, after dry.
Claims (9)
1. a polybutylene terephthalate fibre-added fire-retardant antistatic material, it is characterized in that, its component by mass percent proportioning is: polybutylene terephthalate 30%～60%, glass fibre 10%～30%, compound flame redundant 10%～20%, antistatic master granule 5%～15%, toughner 5%～10%, micro-calcium carbonate 5%～15%, lubricant 0.1%～2%, oxidation inhibitor 0.1%～1%.
2. a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material according to claim 1, is characterized in that, described glass fibre is the coated alkali free glass fibre of processing of silane.
3. a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material according to claim 1, it is characterized in that, described compound flame redundant is the compound of poly-2,6-dibromo phenylene ether 50wt%, phospho acid aluminium 25wt% and magnesium hydroxide 25wt% three mixing.
4. a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material according to claim 1, it is characterized in that, described antistatic master granule is by 75wt% carrier, the antistatic master granule of 20wt% static inhibitor and 5wt% pentaerythritol stearate composition, wherein, described carrier is polybutylene terephthalate (PBT), the mixture of a kind of or both any proportionings in polyethylene terephthalate (PET), static inhibitor is two (2-hydroxyethyl) octyl group methyl biconjugate ammonium tosylates, quaternary ammonium compound, alkylsulfonate, stearic acid monoglycerides (GMS), polyether ester, one in Nanometer-sized Antimony-doped stannic oxide (ATO).
5. a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material according to claim 1, it is characterized in that, described toughner is the one in ethylene-methyl acrylate-glyceryl methacrylate terpolymer (E-MA-GMA), maleic anhydride grafted ethene-propylene-non-conjugated diene hydrocarbon copolymer (EPDM-g-MAH), maleic anhydride extension bar ethylene-octene copolymer (POE-g-MAH), maleic anhydride graft styrene-butadiene-styrene (SBS-g-MAH).
6. a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material according to claim 1, is characterized in that, described micro-calcium carbonate is that particle diameter is between 0.5 μ m～10 μ m and through the coated micro-calcium carbonate of processing of silane.
7. a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material according to claim 1, is characterized in that, described lubricant is polysiloxane or ethylene bis stearic amide.
8. a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material according to claim 1, is characterized in that, described oxidation inhibitor is the compound of hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168.
9. the preparation method of a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material according to claim 1, is characterized in that, comprises the following steps:
(1) take by weight ratio poly-2,6-dibromo phenylene ether 50wt%, phospho acid aluminium 25wt% and magnesium hydroxide 25wt%, make to mix, make compound flame redundant, then at 80 ℃～85 ℃, be dried 30～45 minutes, stand-by;
(2) polybutylene terephthalate is dried to 3～5 hours at 130 ℃～140 ℃, moisture control is below 0.03%, stand-by;
(3) prepare antistatic master granule: prepare burden and take by weight carrier, static inhibitor and pentaerythritol stearate, then add in high-speed mixer or ultrasonic generator and mix 10～30 minutes, again the material mixing added to twin screw extruder melt blending, cooling, pelletizing, make antistatic master granule after dry, stand-by;
(4) take by weight ratio polybutylene terephthalate, compound flame redundant and the antistatic master granule after drying treatment, after mixing, add again the glass fibre, toughner, micro-calcium carbonate, lubricant and the oxidation inhibitor that take by weight ratio, then add together in high-speed mixer and fully mix 10～30 minutes;
(5) material again step (4) being mixed adds and in twin screw extruder, carries out abundant fusion plastification and mediate mixing, melt temperature is controlled at 170 ℃～230 ℃, after extruding by twin screw extruder, obtain a kind of polybutylene terephthalate fibre-added fire-retardant antistatic material of the present invention through overcooling, pelletizing, after dry.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210561494.1A CN103881318A (en) | 2012-12-21 | 2012-12-21 | Polybutylene telephthalate glass fiber-added flame retardant anti-static material |
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| CN201210561494.1A CN103881318A (en) | 2012-12-21 | 2012-12-21 | Polybutylene telephthalate glass fiber-added flame retardant anti-static material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885363A (en) * | 2016-07-04 | 2016-08-24 | 蚌埠市正园电子科技有限公司 | Micrometer calcium carbonate modified PBT (polybutylene terephthalate) material with epoxy resin bonding performance and preparation method for glass bead modified PBT material |
| CN109930233A (en) * | 2019-02-26 | 2019-06-25 | 杭州泰富纺织化纤有限公司 | A kind of long-acting high-elastic negative-ion fiber |
| CN111154241A (en) * | 2020-02-14 | 2020-05-15 | 中广核瑞胜发（厦门）新材料有限公司 | Reinforced flame-retardant low-warpage PBT (polybutylene terephthalate) composite material and preparation method thereof |
| CN114571820A (en) * | 2022-02-23 | 2022-06-03 | 广东卓尔新材料有限公司 | Flame-retardant polyester film and preparation method thereof |
-
2012
- 2012-12-21 CN CN201210561494.1A patent/CN103881318A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885363A (en) * | 2016-07-04 | 2016-08-24 | 蚌埠市正园电子科技有限公司 | Micrometer calcium carbonate modified PBT (polybutylene terephthalate) material with epoxy resin bonding performance and preparation method for glass bead modified PBT material |
| CN109930233A (en) * | 2019-02-26 | 2019-06-25 | 杭州泰富纺织化纤有限公司 | A kind of long-acting high-elastic negative-ion fiber |
| CN111154241A (en) * | 2020-02-14 | 2020-05-15 | 中广核瑞胜发（厦门）新材料有限公司 | Reinforced flame-retardant low-warpage PBT (polybutylene terephthalate) composite material and preparation method thereof |
| CN114571820A (en) * | 2022-02-23 | 2022-06-03 | 广东卓尔新材料有限公司 | Flame-retardant polyester film and preparation method thereof |
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Application publication date: 20140625 |