CN103524991A - Halogen-free flame retardant PBT/ABS (polybutylece terephthalate/acrylonitrile butadiene styrene) alloy material and preparation method thereof - Google Patents
Halogen-free flame retardant PBT/ABS (polybutylece terephthalate/acrylonitrile butadiene styrene) alloy material and preparation method thereof Download PDFInfo
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- CN103524991A CN103524991A CN201210224615.3A CN201210224615A CN103524991A CN 103524991 A CN103524991 A CN 103524991A CN 201210224615 A CN201210224615 A CN 201210224615A CN 103524991 A CN103524991 A CN 103524991A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
Abstract
The invention discloses a halogen-free flame retardant PBT/ABS (polybutylece terephthalate/acrylonitrile butadiene styrene) alloy material and a preparation method thereof. The halogen-free flame retardant PBT/ABS alloy material comprises the following components by mass percent: 20-40% of PBT, 20-70% of ABS, 2-4% of compatilizer, 18-25% of halogen-free flame retardant, 1.5-3% of antistatic agent, 0.2-1% of lubricating agent and 0.1-0.5% of other additives. The halogen-free flame retardant PBT/ABS alloy material has the beneficial effects that PBT and ABS are blended, and a proper amount of auxiliaries such as compatilizer, halogen-free flame retardant and antistatic agent are added, so that the prepared PBT/ABS alloy material can have the characteristics of PBT and ABS at the same time and also is halogen-free flame retardant, non-toxic, low-smoke and good in environmental protection property, and the halogen-free flame retardant PBT/ABS alloy material has the characteristics of stable dimension, high strength, nice appearance, high liquidity, high resistance to chemical reagents, high flame resistance, excellent overall performance, permanent antistatic property and the like.
Description
Technical field
The present invention relates to a kind of macromolecular material, specifically a kind of fire retardant PBT with no halogen/ABS alloy material and preparation method thereof.
Background technology
Polybutylene terephthalate (PBT) is one of five large-engineering plastics, it has that crystallization velocity is fast, excellent electrical properties, chemical proofing are good, good mechanical performance and outstanding rub resistance and abrasion performance characteristic, but the shortcoming such as poor dimensional stability, notched Izod impact strength are low, easy firing that PBT exists, thereby limited its application.ABS resin (acrylonitrile-butadiene-styrene copolymer) is that current production rate is maximum, most widely used plastics, price is also more cheap, tough, hard, the firm mechanical property of equilibrium mutually that ABS not only has, and there is good dimensional stability, surface gloss, lower temperature resistance, painted processibility and processing fluidity, thereby PBT and ABS are carried out to blend, can make the polyblend of excellent performance, realize the high performance of resin.Yet ABS is a kind of non-crystalline type polymkeric substance, PBT is crystal type polyester, and the two consistency of PBT and ABS melt blending is poor, and the flame retardant properties of PBT/ABS alloy material is poor, and antistatic effect is low.
Summary of the invention
Object of the present invention be exactly in order to overcome the deficiency that above-mentioned prior art exists, provide that a kind of good mechanical performance, flame-retarded efficiency are high, fire retardant PBT with no halogen/ABS alloy material of Heat stability is good and permanent antistatic performance and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: fire retardant PBT with no halogen/ABS alloy material, its component by mass percent proportioning is: PBT 20%～40%, ABS 20%～70%, compatilizer 2%～4%, halogen-free flame retardants 18%～25%, static inhibitor 1.5%～3%, lubricant 0.2%～1%, other additives 0.1%～0.5%.
Described compatilizer is ABS-g-MAH or PS/ maleic anhydride random copolymer.
Described halogen-free flame retardants is organophosphorous fire retardant CJ-1002, and by Nanjing, Fang Qiang Science and Technology Development Co., Ltd. produces.
Described static inhibitor is nonionic surface active agent HDC-201, and by Linan, Hangzhou, Dechang Chemical Co., Ltd. produces.
Described lubricant is polysiloxane or calcium stearate.
Other described additives are toughner, light stability and oxidation inhibitor.
The preparation method of above-mentioned fire retardant PBT with no halogen/ABS alloy material, comprises the following steps:
(1) PBT is dried to 4～6 hours at 120 ℃～130 ℃, moisture control is below 0.03%, dry rear standby;
(2) ABS is dried to 2～4 hours at 80 ℃～85 ℃, dry 30～45 minutes of halogen-free flame retardants;
(3) take by weight ratio PBT, ABS and the halogen-free flame retardants after drying treatment, mix;
(4) take by weight ratio compatilizer, static inhibitor, lubricant and other additives, mix, then continue to mix 2～5 minutes with joining together with the mixture of PBT, ABS and halogen-free flame retardants in high-speed mixer;
(5) the above-mentioned raw material fully mixing is dropped in twin screw extruder, the rotating speed of controlling twin screw extruder is 180～600rpm, and temperature is 200 ℃～240 ℃, through melt extruding granulation, obtains fire retardant PBT with no halogen/ABS alloy material.
Because PBT and ABS belong to thermodynamics incompatible material, compatilizer add the consistency that greatly improves PBT and ABS, improve shock strength and the elongation at break of material, and make the appearance of material more attractive in appearance simultaneously.
Adopt organophosphorous fire retardant CJ-1002 as halogen-free flame retardants, PBT/ABS alloy material to be carried out flame-retardant modified, the advantage such as there is environmental protection, addition is little, flame-retarded efficiency is high, good with the consistency of PBT/ABS alloy material, dispersing property is good.
Static inhibitor add the surface resistivity that can significantly reduce PBT/ABS alloy material goods, make it reach 10
8～10
9the high-antistatic performance of Ω.
Adding of lubricant, can improve the processing fluidity of PBT/ABS alloy material, reduce frictional coefficient, improve slipping, improve surface luster.
Other additives are for further improving stability, the increasing tougheness of PBT/ABS alloy material.
The invention has the beneficial effects as follows, adopt PBT and ABS blend, and add the auxiliary agents such as appropriate compatilizer, halogen-free flame retardants, static inhibitor, make the PBT/ABS alloy material making, can have well the characteristic of PBT and ABS concurrently, and halogen-free flameproof, nontoxic, low cigarette and the feature of environmental protection are good, therefore, there is dimensional stabilizing, the feature such as intensity is high, outward appearance good, high workability, high resistance to chemical reagents, high flame retardant, high comprehensive performance and permanent antistatic.Preparation method provided by the present invention is simple, easily operation.
Embodiment
Below in conjunction with specific embodiment, further illustrate technical scheme of the present invention.
Embodiment 1:
/ ABS alloy material, its component by mass percent proportioning is: PBT 30%, ABS 45%, ABS-g-MAH 4%, organophosphorous fire retardant CJ-1002 18%, nonionic surface active agent HDC-201 2%, polysiloxane 0.5%, other additives 0.5%.
Preparation method: (1) is dried 4～6 hours by PBT at 120 ℃～130 ℃, moisture control is below 0.03%, dry rear standby; (2) ABS is dried to 2～4 hours at 80 ℃～85 ℃, dry 30～45 minutes of organophosphorous fire retardant CJ-1002; (3) take by weight ratio PBT, ABS and the organophosphorous fire retardant CJ-1002 after drying treatment, mix; (4) take by weight ratio ABS-g-MAH, nonionic surface active agent HDC-201, polysiloxane and other additives, mix, then continue to mix 2～5 minutes with joining together with the mixture of PBT, ABS and organophosphorous fire retardant CJ-1002 in high-speed mixer; (5) the above-mentioned raw material fully mixing is dropped in twin screw extruder, the rotating speed of controlling twin screw extruder is 180～600rpm, and temperature is 200 ℃～240 ℃, through melt extruding granulation, obtains fire retardant PBT with no halogen/ABS alloy material.
Embodiment 2:
/ ABS alloy material, its component by mass percent proportioning is: PBT 20%, ABS 56%, ABS-g-MAH 2%, organophosphorous fire retardant CJ-1002 18%, nonionic surface active agent HDC-201 3%, calcium stearate 0.6%, other additives 0.4%.
Preparation method: (1) is dried 4～6 hours by PBT at 120 ℃～130 ℃, moisture control is below 0.03%, dry rear standby; (2) ABS is dried to 2～4 hours at 80 ℃～85 ℃, dry 30～45 minutes of organophosphorous fire retardant CJ-1002; (3) take by weight ratio PBT, ABS and the organophosphorous fire retardant CJ-1002 after drying treatment, mix; (4) take by weight ratio ABS-g-MAH, nonionic surface active agent HDC-201, calcium stearate and other additives, mix, then continue to mix 2～5 minutes with joining together with the mixture of PBT, ABS and organophosphorous fire retardant CJ-1002 in high-speed mixer; (5) the above-mentioned raw material fully mixing is dropped in twin screw extruder, the rotating speed of controlling twin screw extruder is 180～600rpm, and temperature is 200 ℃～240 ℃, through melt extruding granulation, obtains fire retardant PBT with no halogen/ABS alloy material.
Embodiment 3:
/ ABS alloy material, its component by mass percent proportioning is: PBT 40%, ABS 35%, PS/ maleic anhydride random copolymer 3%, organophosphorous fire retardant CJ-1002 20%, nonionic surface active agent HDC-201 1.5%, polysiloxane 0.3%, other additives 0.2%.
Preparation method: (1) is dried 4～6 hours by PBT at 120 ℃～130 ℃, moisture control is below 0.03%, dry rear standby; (2) ABS is dried to 2～4 hours at 80 ℃～85 ℃, dry 30～45 minutes of organophosphorous fire retardant CJ-1002; (3) take by weight ratio PBT, ABS and the organophosphorous fire retardant CJ-1002 after drying treatment, mix; (4) take by weight ratio PS/ maleic anhydride random copolymer, nonionic surface active agent HDC-201, polysiloxane and other additives, mix, then continue to mix 2～5 minutes with joining together with the mixture of PBT, ABS and organophosphorous fire retardant CJ-1002 in high-speed mixer; (5) the above-mentioned raw material fully mixing is dropped in twin screw extruder, the rotating speed of controlling twin screw extruder is 180～600rpm, and temperature is 200 ℃～240 ℃, through melt extruding granulation, obtains fire retardant PBT with no halogen/ABS alloy material.
Claims (7)
1. fire retardant PBT with no halogen/ABS alloy material, it is characterized in that, its component by mass percent proportioning is: PBT 20%～40%, ABS 20%～70%, compatilizer 2%～4%, halogen-free flame retardants 18%～25%, static inhibitor 1.5%～3%, lubricant 0.2%～1%, other additives 0.1%～0.5%.
2. fire retardant PBT with no halogen/ABS alloy material according to claim 1, is characterized in that, described compatilizer is ABS-g-MAH or PS/ maleic anhydride random copolymer.
3. fire retardant PBT with no halogen/ABS alloy material according to claim 1, is characterized in that, described halogen-free flame retardants is organophosphorous fire retardant CJ-1002.
4. fire retardant PBT with no halogen/ABS alloy material according to claim 1, is characterized in that, described static inhibitor is nonionic surface active agent HDC-201.
5. fire retardant PBT with no halogen/ABS alloy material according to claim 1, is characterized in that, described lubricant is polysiloxane or calcium stearate.
6. fire retardant PBT with no halogen/ABS alloy material according to claim 1, is characterized in that, other described additives are toughner, light stability and oxidation inhibitor.
7. the preparation method of fire retardant PBT with no halogen/ABS alloy material according to claim 1, is characterized in that, comprises the following steps:
(1) PBT is dried to 4～6 hours at 120 ℃～130 ℃, moisture control is below 0.03%, dry rear standby;
(2) ABS is dried to 2～4 hours at 80 ℃～85 ℃, dry 30～45 minutes of halogen-free flame retardants;
(3) take by weight ratio PBT, ABS and the halogen-free flame retardants after drying treatment, mix;
(4) take by weight ratio compatilizer, static inhibitor, lubricant and other additives, mix, then continue to mix 2～5 minutes with joining together with the mixture of PBT, ABS and halogen-free flame retardants in high-speed mixer;
(5) the above-mentioned raw material fully mixing is dropped in twin screw extruder, the rotating speed of controlling twin screw extruder is 180～600rpm, and temperature is 200 ℃～240 ℃, through melt extruding granulation, obtains fire retardant PBT with no halogen/ABS alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210224615.3A CN103524991A (en) | 2012-07-03 | 2012-07-03 | Halogen-free flame retardant PBT/ABS (polybutylece terephthalate/acrylonitrile butadiene styrene) alloy material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210224615.3A CN103524991A (en) | 2012-07-03 | 2012-07-03 | Halogen-free flame retardant PBT/ABS (polybutylece terephthalate/acrylonitrile butadiene styrene) alloy material and preparation method thereof |
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| CN103524991A true CN103524991A (en) | 2014-01-22 |
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| CN201210224615.3A Pending CN103524991A (en) | 2012-07-03 | 2012-07-03 | Halogen-free flame retardant PBT/ABS (polybutylece terephthalate/acrylonitrile butadiene styrene) alloy material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104725797A (en) * | 2015-03-27 | 2015-06-24 | 北京石油化工学院 | Method for preparing flame-retardant plastic composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104725797A (en) * | 2015-03-27 | 2015-06-24 | 北京石油化工学院 | Method for preparing flame-retardant plastic composite material |
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Application publication date: 20140122 |