CN104845092A - Halogen-free flame retardant PET/PTT (polyethylene terephthalate/polytrimethylene terephthalate) alloy with ultraviolet protection and good thermal conductivity - Google Patents
Halogen-free flame retardant PET/PTT (polyethylene terephthalate/polytrimethylene terephthalate) alloy with ultraviolet protection and good thermal conductivity Download PDFInfo
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Abstract
The invention discloses a halogen-free flame retardant PET/PTT (polyethylene terephthalate/polytrimethylene terephthalate) alloy with ultraviolet protection and good thermal conductivity. The PET/PTT alloy comprises the following components by mass percent: 20 percent to 60 percent of PET, 20 percent to 40 percent of PTT, 2 percent to 4 percent of PTW (potassium titanate whisker), 6 percent to 10 percent of halogen-free flame retardant, 2 percent to 10 percent of modified carbon nano tube, 5 percent to 8 percent of elastomer, 1 percent to 3 percent of nano-titanium dioxide, 0.5 percent to 1 percent of nucleating agent, 0.1 percent to 0.5 percent of antioxidant and 0.1 percent to 1 percent of lubricant, wherein the halogen-free flame retardant is a compound comprising polysulfonyldiphenylene phenyl phosphonate, polydimethylsiloxane and antimony trioxide with a mass ratio of 2:1:1. The PET/PTT alloy disclosed in the invention has the beneficial effects of original advantages of PET and PTT, excellent flame retardant performance, ultraviolet protection, thermal conductivity, antistatic property and complete accordance with flame retardant requirements of no halogen, environment protection and UL94V-0 grade.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of have halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity.
Background technology
PET/PTT(polyethylene terephthalate/Poly(Trimethylene Terephthalate)) alloy has excellent physicochemical property and processing characteristics, and cost is low, thus will have broad application prospects in automobile, electric, the field such as household electrical appliances, fiber.But the PET/PTT of non-modified exists the problem of poor fire, mechanical strength instability, and can not be suitable for very well requiring higher Application Areas to uv resistance and thermal conductivity.Therefore, the modification of carrying out about fire-retardant, uv resistance and thermal conductivity PET/PTT is necessary, and this will contribute to the effect and the Application Areas that promote PET/PTT.
Summary of the invention
The object of the present invention is to provide and a kind of there is halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity.
The technical solution adopted for the present invention to solve the technical problems is: have halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity, its component by mass percent proportioning is: PET 20% ~ 60%, PTT 20% ~ 40%, PTW 2% ~ 4%, halogen-free flame retardants 6% ~ 10%, modified carbon nano-tube 2% ~ 10%, elastomerics 5% ~ 8%, nano titanium oxide 1% ~ 3%, nucleator 0.5% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described PET is polyethylene terephthalate.
Described PTT is Poly(Trimethylene Terephthalate).
Described PTW is Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer, and the content of glycidyl methacrylate copolymer accounts for 3 wt% ~ 8 wt%.
Described halogen-free flame retardants is the compound of the polyphenylene phosphonic acids sulfobenzide ester of mass ratio 2:1:1, polydimethylsiloxane and antimonous oxide.
Described modified carbon nano-tube be surface through preoxidation and the process of silane coupling agent activation modification and particle diameter in 0.5 ~ 200nm, length at the carbon nanotube of 5 ~ 20 μm.
Described elastomerics is the one in ethylene-octene copolymer POE, styrene-ethylene-butylene-styrene block copolymer SEBS, terpolymer EP rubber EPDM, paracril NBR, thermoplastic polyurethane TPU.
Described nano titanium oxide is the TiO 2 particles of particle diameter at 1 ~ 100nm.
Described nucleator is the one in nano silicon, sodium bicarbonate, Sodium Benzoate.
Described oxidation inhibitor is the Hinered phenols antioxidant 1010 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
Described lubricant is pentaerythritol stearate.
The above-mentioned preparation method with halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity, comprises the following steps:
(1), by PET and PTT in forced air circulation baking oven at 110 DEG C ~ 120 DEG C temperature dry 6 ~ 8 hours, halogen-free flame retardants at 60 DEG C ~ 85 DEG C temperature dry 3 ~ 4 hours, stand-by;
(2), by particle diameter at 0.5 ~ 200nm, length reaches in the mass content that the carbon nanotube of 5 ~ 20 μm is placed in volume ratio 3:1 the mixed acid solution that more than 98% sulfuric acid and mass content reach more than 60% nitric acid, under ultra-sonic oscillation and mechanical stirring, process 2 ~ 4h, then use a large amount of washed with de-ionized water to neutral, again the carbon nanotube obtained is placed in mass content 0.1% ~ 1% the deionized water solution ultrasonic disperse 2 ~ 4h of silane coupling agent, then filter, and by gained much filtrate in 120 DEG C ~ 150 DEG C vacuum drying oven drying 12 ~ 36h, obtain described modified carbon nano-tube,
(3) PTT and the halogen-free flame retardants that, take drying by weight ratio add in super mixer, and add elastomerics, nano titanium oxide, oxidation inhibitor, lubricant by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds twin screw extruder and melt extrudes pelletizing and dry, and namely a kind of PTT Halogen hinders right UV resistance toughened master batch;
(4), taking dry PET by weight ratio adds in super mixer, add the obtained modified carbon nano-tube of step (2) again and the obtained PTT Halogen of step (3) hinders right UV resistance toughened master batch, and add PTW and nucleator by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds in twin screw extruder, extrude after melt blending at 210 DEG C ~ 280 DEG C, cooling granulation, then dry, obtain and of the present invention there is halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity.
The invention has the beneficial effects as follows, having PET, PTT, original advantage is simultaneously separately in the present invention, also there is excellent fire-retardant uv resistance and heat conduction antistatic, and meet the flame-retardancy requirements of Halogen, environmental protection and UL94 V-0 level completely, improve effect and the Application Areas of PET/PTT, thus there is good practical value and promotion prospect.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
Have halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity, its component by mass percent proportioning is: PET 56%, PTT 20%, PTW 3%, halogen-free flame retardants 6%, modified carbon nano-tube 6%, POE 5%, nano titanium oxide 2%, nano silicon 1%, oxidation inhibitor 0.1%, pentaerythritol stearate 0.9%, described PTW is Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer, and the content of glycidyl methacrylate copolymer accounts for 3 wt% ~ 8 wt%, described halogen-free flame retardants is the polyphenylene phosphonic acids sulfobenzide ester of mass ratio 2:1:1, the compound of polydimethylsiloxane and antimonous oxide, described modified carbon nano-tube is that surface is through preoxidation and the process of silane coupling agent activation modification, and particle diameter is at 0.5 ~ 200nm, length is at the carbon nanotube of 5 ~ 20 μm, and described nano titanium oxide is the TiO 2 particles of particle diameter at 1 ~ 100nm, and described oxidation inhibitor is the Hinered phenols antioxidant 1010 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
Preparation method: (1), by PET and PTT in forced air circulation baking oven at 110 DEG C ~ 120 DEG C temperature dry 6 ~ 8 hours, halogen-free flame retardants at 60 DEG C ~ 85 DEG C temperature dry 3 ~ 4 hours, stand-by, (2), by particle diameter at 0.5 ~ 200nm, length reaches in the mass content that the carbon nanotube of 5 ~ 20 μm is placed in volume ratio 3:1 the mixed acid solution that more than 98% sulfuric acid and mass content reach more than 60% nitric acid, under ultra-sonic oscillation and mechanical stirring, process 2 ~ 4h, then use a large amount of washed with de-ionized water to neutral, again the carbon nanotube obtained is placed in mass content 0.1% ~ 1% the deionized water solution ultrasonic disperse 2 ~ 4h of silane coupling agent, then filter, and by gained much filtrate in 120 DEG C ~ 150 DEG C vacuum drying oven drying 12 ~ 36h, obtain described modified carbon nano-tube, (3) PTT and the halogen-free flame retardants that, take drying by weight ratio add in super mixer, and add POE, nano titanium oxide, oxidation inhibitor, pentaerythritol stearate by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds twin screw extruder and melt extrudes pelletizing and dry, and namely a kind of PTT Halogen hinders right UV resistance toughened master batch, (4), taking dry PET by weight ratio adds in super mixer, add the obtained modified carbon nano-tube of step (2) again and the obtained PTT Halogen of step (3) hinders right UV resistance toughened master batch, and add PTW and nano silicon by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds in twin screw extruder, extrude after melt blending at 210 DEG C ~ 280 DEG C, cooling granulation, then dry, obtain and of the present invention there is halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity.
Embodiment 2:
Have halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity, its component by mass percent proportioning is: PET 24%, PTT 40%, PTW 4%, halogen-free flame retardants 10%, modified carbon nano-tube 10%, TPU 8%, nano titanium oxide 3%, Sodium Benzoate 0.5%, oxidation inhibitor 0.2%, pentaerythritol stearate 0.3%, described PTW is Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer, and the content of glycidyl methacrylate copolymer accounts for 3 wt% ~ 8 wt%, described halogen-free flame retardants is the polyphenylene phosphonic acids sulfobenzide ester of mass ratio 2:1:1, the compound of polydimethylsiloxane and antimonous oxide, described modified carbon nano-tube is that surface is through preoxidation and the process of silane coupling agent activation modification, and particle diameter is at 0.5 ~ 200nm, length is at the carbon nanotube of 5 ~ 20 μm, and described nano titanium oxide is the TiO 2 particles of particle diameter at 1 ~ 100nm, and described oxidation inhibitor is the Hinered phenols antioxidant 1010 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
Preparation method: (1), by PET and PTT in forced air circulation baking oven at 110 DEG C ~ 120 DEG C temperature dry 6 ~ 8 hours, halogen-free flame retardants at 60 DEG C ~ 85 DEG C temperature dry 3 ~ 4 hours, stand-by, (2), by particle diameter at 0.5 ~ 200nm, length reaches in the mass content that the carbon nanotube of 5 ~ 20 μm is placed in volume ratio 3:1 the mixed acid solution that more than 98% sulfuric acid and mass content reach more than 60% nitric acid, under ultra-sonic oscillation and mechanical stirring, process 2 ~ 4h, then use a large amount of washed with de-ionized water to neutral, again the carbon nanotube obtained is placed in mass content 0.1% ~ 1% the deionized water solution ultrasonic disperse 2 ~ 4h of silane coupling agent, then filter, and by gained much filtrate in 120 DEG C ~ 150 DEG C vacuum drying oven drying 12 ~ 36h, obtain described modified carbon nano-tube, (3) PTT and the halogen-free flame retardants that, take drying by weight ratio add in super mixer, and add TPU, nano titanium oxide, oxidation inhibitor, pentaerythritol stearate by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds twin screw extruder and melt extrudes pelletizing and dry, and namely a kind of PTT Halogen hinders right UV resistance toughened master batch, (4), taking dry PET by weight ratio adds in super mixer, add the obtained modified carbon nano-tube of step (2) again and the obtained PTT Halogen of step (3) hinders right UV resistance toughened master batch, and add PTW and Sodium Benzoate by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds in twin screw extruder, extrude after melt blending at 210 DEG C ~ 280 DEG C, cooling granulation, then dry, obtain and of the present invention there is halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity.
Claims (10)
1. one kind has halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity, it is characterized in that, its component by mass percent proportioning is: PET 20% ~ 60%, PTT 20% ~ 40%, PTW 2% ~ 4%, halogen-free flame retardants 6% ~ 10%, modified carbon nano-tube 2% ~ 10%, elastomerics 5% ~ 8%, nano titanium oxide 1% ~ 3%, nucleator 0.5% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. according to claim 1 have halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity, it is characterized in that, described PTW is Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer, and the content of glycidyl methacrylate copolymer accounts for 3 wt% ~ 8 wt%.
3. according to claim 1 have halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity, it is characterized in that, described halogen-free flame retardants is the compound of the polyphenylene phosphonic acids sulfobenzide ester of mass ratio 2:1:1, polydimethylsiloxane and antimonous oxide.
4. according to claim 1 have halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity, it is characterized in that, described modified carbon nano-tube be surface through preoxidation and the process of silane coupling agent activation modification and particle diameter in 0.5 ~ 200nm, length at the carbon nanotube of 5 ~ 20 μm.
5. according to claim 1 have halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity, and it is characterized in that, described elastomerics is the one in POE, SEBS, EPDM, NBR, TPU.
6. according to claim 1 have halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity, and it is characterized in that, described nano titanium oxide is the TiO 2 particles of particle diameter at 1 ~ 100nm.
7. according to claim 1 have halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity, and it is characterized in that, described nucleator is the one in nano silicon, sodium bicarbonate, Sodium Benzoate.
8. according to claim 1 have halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity, it is characterized in that, described oxidation inhibitor is the Hinered phenols antioxidant 1010 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
9. according to claim 1 have halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity, and it is characterized in that, described lubricant is pentaerythritol stearate.
10. the preparation method with halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity according to claim 1, is characterized in that, comprise the following steps:
(1), by PET and PTT in forced air circulation baking oven at 110 DEG C ~ 120 DEG C temperature dry 6 ~ 8 hours, halogen-free flame retardants at 60 DEG C ~ 85 DEG C temperature dry 3 ~ 4 hours, stand-by;
(2), by particle diameter at 0.5 ~ 200nm, length reaches in the mass content that the carbon nanotube of 5 ~ 20 μm is placed in volume ratio 3:1 the mixed acid solution that more than 98% sulfuric acid and mass content reach more than 60% nitric acid, under ultra-sonic oscillation and mechanical stirring, process 2 ~ 4h, then use a large amount of washed with de-ionized water to neutral, again the carbon nanotube obtained is placed in mass content 0.1% ~ 1% the deionized water solution ultrasonic disperse 2 ~ 4h of silane coupling agent, then filter, and by gained much filtrate in 120 DEG C ~ 150 DEG C vacuum drying oven drying 12 ~ 36h, obtain described modified carbon nano-tube,
(3) PTT and the halogen-free flame retardants that, take drying by weight ratio add in super mixer, and add elastomerics, nano titanium oxide, oxidation inhibitor, lubricant by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds twin screw extruder and melt extrudes pelletizing and dry, and namely a kind of PTT Halogen hinders right UV resistance toughened master batch;
(4), taking dry PET by weight ratio adds in super mixer, add the obtained modified carbon nano-tube of step (2) again and the obtained PTT Halogen of step (3) hinders right UV resistance toughened master batch, and add PTW and nucleator by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds in twin screw extruder, extrude after melt blending at 210 DEG C ~ 280 DEG C, cooling granulation, then dry, obtain and of the present invention there is halogen-free flameproof UV resistance and the good PET/PTT alloy of thermal conductivity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410732622.3A CN104845092A (en) | 2014-12-07 | 2014-12-07 | Halogen-free flame retardant PET/PTT (polyethylene terephthalate/polytrimethylene terephthalate) alloy with ultraviolet protection and good thermal conductivity |
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| CN201410732622.3A CN104845092A (en) | 2014-12-07 | 2014-12-07 | Halogen-free flame retardant PET/PTT (polyethylene terephthalate/polytrimethylene terephthalate) alloy with ultraviolet protection and good thermal conductivity |
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| CN104845092A true CN104845092A (en) | 2015-08-19 |
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| CN112280262A (en) * | 2020-11-12 | 2021-01-29 | 浙江贝隆纺织有限公司 | Preparation method of ultraviolet-resistant flame-retardant polyester fiber master batch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112280262A (en) * | 2020-11-12 | 2021-01-29 | 浙江贝隆纺织有限公司 | Preparation method of ultraviolet-resistant flame-retardant polyester fiber master batch |
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