CN104419150A - Toughening and strengthening flame retardant antistatic modified PBT material with core-shell structure - Google Patents
Toughening and strengthening flame retardant antistatic modified PBT material with core-shell structure Download PDFInfo
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- CN104419150A CN104419150A CN201310399397.1A CN201310399397A CN104419150A CN 104419150 A CN104419150 A CN 104419150A CN 201310399397 A CN201310399397 A CN 201310399397A CN 104419150 A CN104419150 A CN 104419150A
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Abstract
The invention discloses a toughening and strengthening flame retardant antistatic modified PBT material with a core-shell structure. The toughening and strengthening flame retardant antistatic modified PBT material comprises the following components by mass percent: 55-80% of PBT, 8-12% of inorganic rigid particle, 1-2% of diisocyanate, 2-4% of dihydric alcohol, 3-8% of compatilizer, 10-15% of flame retardant, 5-15% of antistatic master batch, 0.1-2% of dispersing agent and 0.1-1% of antioxidant. Compared with the prior art, the toughening and strengthening flame retardant antistatic modified PBT material has the beneficial effects that the diisocyanate and the dihydric alcohol are stirred in a mixer and then undergo polymerization to generate a polyurethane rubber elastomer, by which the surfaces of the inorganic rigid particles are wrapped, so that the core-shell structure which takes the inorganic rigid particle as a core and takes the elastomer as a shell is formed, the inorganic rigid particle and the elastomer can be well combined and fully utilized, synergetic strengthening and toughening effect is brought to the PBT, the antistatic master batch is added to modify the PBT so that the surface resistivity of the product is up to 108-1010 ohm.cm, the antistatic property is efficient and lasting, and the prepared PBT material has the advantages of high flame retardant efficiency, good processing property and low cost.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically one has nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material.
Background technology
Polybutylene terephthalate (PBT) is a kind of crystallization line style saturated polyester, has good over-all properties and is widely used in the fields such as automotive industry, mechanical means, electric production.But simple PBT material also exists the shortcomings such as flame retardant properties difference, notched Izod impact strength is low, antistatic effect is not enough, so PBT material generally all just can be employed through modification.
Summary of the invention
The object of the present invention is to provide that a kind of mechanical property is good, flame retardant resistance is high and permanent antistatic performance there is nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material.
The technical solution adopted for the present invention to solve the technical problems is: one has nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material, and its component by mass percent proportioning is: PBT 55% ~ 80%, inorganic rigid particle 8% ~ 12%, vulcabond 1% ~ 2%, dibasic alcohol 2% ~ 4%, compatilizer 3% ~ 8%, fire retardant 10% ~ 15%, antistatic master granule 5% ~ 15%, dispersion agent 0.1% ~ 2%, oxidation inhibitor 0.1% ~ 1%.
Described inorganic rigid particle is the one in calcium carbonate, talcum powder, aluminium hydroxide, barium sulfate, silicon-dioxide, mica, kaolin, and its median size is between 1000 order ~ 5000 orders.
Described dibasic alcohol is the one in ethylene glycol, propylene glycol, butyleneglycol, PCDL.
Described compatilizer is maleic anhydride grafted ethene-octene copolymer (POE-g-MAH) or ethylene-methyl acrylate-glyceryl methacrylate terpolymer (E-MA-GMA).
Described fire retardant is tetrabromobisphenol A carbonic ester oligopolymer.
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 methyl biconjugate ammonium tosylate, quaternary ammonium compound, alkylsulfonate, stearic acid monoglycerides (GMS), polyether ester, Nanometer-sized Antimony-doped stannic oxide (ATO).
Described dispersion agent is the one in polysiloxane, ethylene bis stearic amide, EVA wax, OP wax, TAS-2A.
Described oxidation inhibitor is the compound of antioxidant 1076 and oxidation inhibitor JC-242.
Above-mentioned a kind of preparation method with nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material, comprises the following steps:
(1) by PBT at 130 DEG C ~ 140 DEG C dry 3 ~ 5 hours, fire retardant is dry 30 ~ 45min at 100 DEG C ~ 120 DEG C, stand-by;
(2) antistatic master granule is prepared: prepare burden and take carrier, static inhibitor and pentaerythritol stearate by weight, then add in high-speed mixer or ultrasonic generator and mix 10 ~ 30 minutes, again the material mixed is added twin screw extruder melt blending, cooling, pelletizing, dry rear obtained antistatic master granule, stand-by;
(3) take inorganic rigid particle and dibasic alcohol by weight ratio, add mixing machine stirring at low speed 0.5 ~ 15 minute, and then add vulcabond high-speed stirring 10 ~ 60 minutes at 60 DEG C ~ 80 DEG C temperature, make abundant addition polymerization and coated;
And then add the PBT after taking drying treatment by weight ratio, fire retardant and antistatic master granule (4), after mixing, then add the compatilizer, dispersion agent and the oxidation inhibitor that take by weight ratio, then high-speed mixing stirs 10 ~ 30 minutes together;
(5) again the material that step (4) mixes is added in twin screw extruder carry out abundant fusion plastification and mediate mixing, melt temperature controls at 170 DEG C ~ 230 DEG C, after being extruded by twin screw extruder, after overcooling, pelletizing, drying, namely obtain one of the present invention there is nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material.
The invention has the beneficial effects as follows, compared with prior art, the present invention adopts vulcabond and dibasic alcohol to stir in mixing machine and addition polymerization generates urethanes elastomerics and at inorganic rigid particle Surface coating, the nucleocapsid structure that formation is core with inorganic rigid particle, elastomerics is shell, make it combine well and play respective advantage, good collaborative activeness and quietness effect being played to PBT, simultaneously by adding antistatic master granule to PBT modification, making the surface resistivity of goods to reach 10
8~ 10
10Ω cm, antistatic property is efficient, lasting, and obtained PBT material has, and fire-retardant efficiency is high, good processability, low cost and other advantages, can be widely used in the fields such as industrial spare and accessory parts such as electronics, electrical equipment, automobile.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
One has nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material, its component by mass percent proportioning is: the compound 0.2% of PBT 58%, calcium carbonate 10%, vulcabond 1.5%, butyleneglycol 3%, maleic anhydride grafted ethene-octene copolymer (POE-g-MAH) 5%, tetrabromobisphenol A carbonic ester oligopolymer 12%, antistatic master granule 10%, polysiloxane 0.3%, antioxidant 1076 and oxidation inhibitor JC-242, wherein, the median size of calcium carbonate is between 1000 order ~ 5000 orders.Described antistatic master granule is made up of 75wt% polybutylene terephthalate (PBT), two (2-hydroxyethyl) the octyl methyl biconjugate ammonium tosylate of 20wt% and 5wt% pentaerythritol stearate.
Preparation method: (1), by PBT at 130 DEG C ~ 140 DEG C dry 3 ~ 5 hours, tetrabromobisphenol A carbonic ester oligopolymer is dry 30 ~ 45min at 100 DEG C ~ 120 DEG C, stand-by; (2) antistatic master granule is prepared: prepare burden and take polybutylene terephthalate (PBT), two (2-hydroxyethyl) octyl methyl biconjugate ammonium tosylate and pentaerythritol stearate by weight, then add in high-speed mixer or ultrasonic generator and mix 10 ~ 30 minutes, again the material mixed is added twin screw extruder melt blending, cooling, pelletizing, dry rear obtained antistatic master granule, stand-by; (3) take calcium carbonate and butyleneglycol by weight ratio, add mixing machine stirring at low speed 0.5 ~ 15 minute, and then add vulcabond high-speed stirring 10 ~ 60 minutes at 60 DEG C ~ 80 DEG C temperature, make abundant addition polymerization and coated; And then add the PBT after taking drying treatment by weight ratio, tetrabromobisphenol A carbonic ester oligopolymer and antistatic master granule (4), after mixing, add again take by weight ratio maleic anhydride grafted ethene-octene copolymer (POE-g-MAH), polysiloxane and antioxidant 1076 and oxidation inhibitor JC-242 compound, then high-speed mixing stirs 10 ~ 30 minutes together; (5) again the material that step (4) mixes is added in twin screw extruder carry out abundant fusion plastification and mediate mixing, melt temperature controls at 170 DEG C ~ 230 DEG C, after being extruded by twin screw extruder, after overcooling, pelletizing, drying, namely obtain one of the present invention there is nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material.
Embodiment 2:
One has nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material, its component by mass percent proportioning is: the compound 0.4% of PBT 66%, talcum powder 8%, vulcabond 1%, PCDL 2%, ethylene-methyl acrylate-glyceryl methacrylate terpolymer (E-MA-GMA) 4%, tetrabromobisphenol A carbonic ester oligopolymer 10%, antistatic master granule 8%, TAS-2A 0.6%, antioxidant 1076 and oxidation inhibitor JC-242, wherein, talcous median size is between 1000 order ~ 5000 orders.Described antistatic master granule is made up of 75wt% polybutylene terephthalate (PBT), 20wt% stearic acid monoglycerides (GMS) and 5wt% pentaerythritol stearate.
Preparation method: (1), by PBT at 130 DEG C ~ 140 DEG C dry 3 ~ 5 hours, tetrabromobisphenol A carbonic ester oligopolymer is dry 30 ~ 45min at 100 DEG C ~ 120 DEG C, stand-by; (2) antistatic master granule is prepared: prepare burden and take polybutylene terephthalate (PBT), stearic acid monoglycerides (GMS) and pentaerythritol stearate by weight, then add in high-speed mixer or ultrasonic generator and mix 10 ~ 30 minutes, again the material mixed is added twin screw extruder melt blending, cooling, pelletizing, dry rear obtained antistatic master granule, stand-by; (3) take talcum powder and PCDL by weight ratio, add mixing machine stirring at low speed 0.5 ~ 15 minute, and then add vulcabond high-speed stirring 10 ~ 60 minutes at 60 DEG C ~ 80 DEG C temperature, make abundant addition polymerization and coated; And then add the PBT after taking drying treatment by weight ratio, tetrabromobisphenol A carbonic ester oligopolymer and antistatic master granule (4), after mixing, add again take by weight ratio ethylene-methyl acrylate-glyceryl methacrylate terpolymer (E-MA-GMA), TAS-2A and antioxidant 1076 and oxidation inhibitor JC-242 compound, then high-speed mixing stirs 10 ~ 30 minutes together; (5) again the material that step (4) mixes is added in twin screw extruder carry out abundant fusion plastification and mediate mixing, melt temperature controls at 170 DEG C ~ 230 DEG C, after being extruded by twin screw extruder, after overcooling, pelletizing, drying, namely obtain one of the present invention there is nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material.
Claims (9)
1. one kind has nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material, it is characterized in that, its component by mass percent proportioning is: PBT 55% ~ 80%, inorganic rigid particle 8% ~ 12%, vulcabond 1% ~ 2%, dibasic alcohol 2% ~ 4%, compatilizer 3% ~ 8%, fire retardant 10% ~ 15%, antistatic master granule 5% ~ 15%, dispersion agent 0.1% ~ 2%, oxidation inhibitor 0.1% ~ 1%.
2. one according to claim 1 has nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material, it is characterized in that, described inorganic rigid particle is the one in calcium carbonate, talcum powder, aluminium hydroxide, barium sulfate, silicon-dioxide, mica, kaolin, and its median size is between 1000 order ~ 5000 orders.
3. one according to claim 1 has nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material, it is characterized in that, described dibasic alcohol is the one in ethylene glycol, propylene glycol, butyleneglycol, PCDL.
4. one according to claim 1 has nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material, it is characterized in that, described compatilizer is maleic anhydride grafted ethene-octene copolymer (POE-g-MAH) or ethylene-methyl acrylate-glyceryl methacrylate terpolymer (E-MA-GMA).
5. one according to claim 1 has nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material, it is characterized in that, described fire retardant is tetrabromobisphenol A carbonic ester oligopolymer.
6. one according to claim 1 has nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material, 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 methyl biconjugate ammonium tosylates, quaternary ammonium compound, alkylsulfonate, stearic acid monoglycerides (GMS), polyether ester, one in Nanometer-sized Antimony-doped stannic oxide (ATO).
7. one according to claim 1 has nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material, it is characterized in that, described dispersion agent is the one in polysiloxane, ethylene bis stearic amide, EVA wax, OP wax, TAS-2A.
8. one according to claim 1 has nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material, it is characterized in that, described oxidation inhibitor is the compound of antioxidant 1076 and oxidation inhibitor JC-242.
9. a kind of preparation method with nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material according to claim 1, is characterized in that, comprise the following steps:
(1) by PBT at 130 DEG C ~ 140 DEG C dry 3 ~ 5 hours, fire retardant is dry 30 ~ 45min at 100 DEG C ~ 120 DEG C, stand-by;
(2) antistatic master granule is prepared: prepare burden and take carrier, static inhibitor and pentaerythritol stearate by weight, then add in high-speed mixer or ultrasonic generator and mix 10 ~ 30 minutes, again the material mixed is added twin screw extruder melt blending, cooling, pelletizing, dry rear obtained antistatic master granule, stand-by;
(3) take inorganic rigid particle and dibasic alcohol by weight ratio, add mixing machine stirring at low speed 0.5 ~ 15 minute, and then add vulcabond high-speed stirring 10 ~ 60 minutes at 60 DEG C ~ 80 DEG C temperature, make abundant addition polymerization and coated;
And then add the PBT after taking drying treatment by weight ratio, fire retardant and antistatic master granule (4), after mixing, then add the compatilizer, dispersion agent and the oxidation inhibitor that take by weight ratio, then high-speed mixing stirs 10 ~ 30 minutes together;
(5) again the material that step (4) mixes is added in twin screw extruder carry out abundant fusion plastification and mediate mixing, melt temperature controls at 170 DEG C ~ 230 DEG C, after being extruded by twin screw extruder, after overcooling, pelletizing, drying, namely obtain one of the present invention there is nucleocapsid structure toughen and intensify and flame-proof antistatic modified PBT material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310399397.1A CN104419150A (en) | 2013-09-05 | 2013-09-05 | Toughening and strengthening flame retardant antistatic modified PBT material with core-shell structure |
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| CN201310399397.1A CN104419150A (en) | 2013-09-05 | 2013-09-05 | Toughening and strengthening flame retardant antistatic modified PBT material with core-shell structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106046705A (en) * | 2016-07-04 | 2016-10-26 | 蚌埠市正园电子科技有限公司 | Antistatic PBT (polybutylene terephthalate) material with epoxy resin adhesion and preparation method thereof |
| CN107446470A (en) * | 2016-04-28 | 2017-12-08 | 朗盛德国有限责任公司 | polybutylene terephthalate composition |
| CN110669281A (en) * | 2019-10-09 | 2020-01-10 | 江苏万纳普新材料科技有限公司 | Special flame-retardant synergistic functional master batch for modifying polycarbonate and alloy thereof and preparation method thereof |
| CN111825886A (en) * | 2020-07-13 | 2020-10-27 | 承德石油高等专科学校 | Hardness regulator of TPU powder for SLS printing and preparation method thereof |
| CN112342691A (en) * | 2019-10-25 | 2021-02-09 | 福建冠泓工业有限公司 | Elastic antibacterial non-woven fabric and manufacturing process thereof |
-
2013
- 2013-09-05 CN CN201310399397.1A patent/CN104419150A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446470A (en) * | 2016-04-28 | 2017-12-08 | 朗盛德国有限责任公司 | polybutylene terephthalate composition |
| CN106046705A (en) * | 2016-07-04 | 2016-10-26 | 蚌埠市正园电子科技有限公司 | Antistatic PBT (polybutylene terephthalate) material with epoxy resin adhesion and preparation method thereof |
| CN110669281A (en) * | 2019-10-09 | 2020-01-10 | 江苏万纳普新材料科技有限公司 | Special flame-retardant synergistic functional master batch for modifying polycarbonate and alloy thereof and preparation method thereof |
| CN110669281B (en) * | 2019-10-09 | 2022-08-19 | 江苏万纳普新材料科技有限公司 | Special flame-retardant synergistic functional master batch for modifying polycarbonate and alloy thereof and preparation method thereof |
| CN112342691A (en) * | 2019-10-25 | 2021-02-09 | 福建冠泓工业有限公司 | Elastic antibacterial non-woven fabric and manufacturing process thereof |
| CN111825886A (en) * | 2020-07-13 | 2020-10-27 | 承德石油高等专科学校 | Hardness regulator of TPU powder for SLS printing and preparation method thereof |
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Application publication date: 20150318 |