CN104845200A - Highly-heatproof and flame-retardant modified PTT composite material - Google Patents
Highly-heatproof and flame-retardant modified PTT composite material Download PDFInfo
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- CN104845200A CN104845200A CN201410770404.9A CN201410770404A CN104845200A CN 104845200 A CN104845200 A CN 104845200A CN 201410770404 A CN201410770404 A CN 201410770404A CN 104845200 A CN104845200 A CN 104845200A
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- trimethylene terephthalate
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Abstract
The present invention discloses a highly-heatproof and flame-retardant modified PTT composite material, which comprises the following components in mass percentage: 50-90% of PTT, 5-40% of PPE, 5-10% of flame retardant, 2-6% of compatilizer, 0.1-0.5% of anti-oxidant and 0.1-1% of lubricant. The compatilizer is a triblock copolymer in the form of ethylene-ethyl acrylate-glycidyl methacrylate. The composite material is highly heatproof, better in dimensional stability and excellent in fire resistance, and the limit oxygen index of the composite material is up to over 35%. The composite material meets the halogen-free, smoke-suppression, environment-friendly and flame-retardant requirement of up to UL94V-0 level. Meanwhile, the composite material is simple in preparation process and low in production cost.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of high-temp resistant fire-retarding modification Poly(Trimethylene Terephthalate) matrix material.
Background technology
Poly(Trimethylene Terephthalate) (PTT) is as a kind of new polyester macromolecular material of excellent combination property, the fields such as fiber, film, engineering plastics are widely used at present, but be used alone PTT and there is the bad problem of poor fire, thermotolerance, limit its application.
Summary of the invention
The object of the present invention is to provide a kind of high-temp resistant fire-retarding modification Poly(Trimethylene Terephthalate) matrix material.
The technical solution adopted for the present invention to solve the technical problems is: a kind of high-temp resistant fire-retarding modification Poly(Trimethylene Terephthalate) matrix material, its component by mass percent proportioning is: PTT 50% ~ 90%, PPE 5% ~ 40%, fire retardant 5% ~ 10%, compatilizer 2% ~ 6%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.2dL/g.
Described PPE is the polyphenylene oxide of limiting viscosity 0.4 ~ 0.5dL/g.
Described fire retardant mixes obtained compound flame redundant by polyphenylene phosphonic acids sulfobenzide ester 60 ~ 80wt%, polydimethylsiloxane 20 ~ 40wt%, potassium phenylsulphonyl benzene sulfonate 1 ~ 5wt% and nanometer polytetrafluoroethylcomposite 1 ~ 5wt%.
Described compatilizer is ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer.
Described oxidation inhibitor is the Hinered phenols antioxidant 1010 or 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
Described lubricant is the one in pentaerythritol stearate, silicone powder, modification ethylene bis stearamide.
The preparation method of above-mentioned a kind of high-temp resistant fire-retarding modification Poly(Trimethylene Terephthalate) matrix material is: take each component by weight ratio, and add respectively in high-speed mixer, make to stir 3 ~ 15 minutes together, evenly rear discharging to be mixed adds in twin screw extruder, extrude through melting mixing at 210 DEG C ~ 270 DEG C temperature, cooling granulation, drying, namely obtain the present invention.
The invention has the beneficial effects as follows, the present invention has superior heat resistance, better dimensional stability and excellent flame retardancy, and its limiting oxygen index(LOI) reaches more than 35%, and meets Halogen, presses down cigarette, environmental protection and UL94 V-0 level flame-retardancy requirements, and preparation process is simple, and production cost is low.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Embodiment 1:
A kind of high-temp resistant fire-retarding modification Poly(Trimethylene Terephthalate) matrix material, its component by mass percent proportioning is: PTT 55%, PPE 30%, fire retardant 10%, ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer 4%, oxidation inhibitor 0.2%, pentaerythritol stearate 0.8%, wherein, described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.2dL/g, described PPE is the polyphenylene oxide of limiting viscosity 0.4 ~ 0.5dL/g, described fire retardant is by polyphenylene phosphonic acids sulfobenzide ester 68wt%, polydimethylsiloxane 30wt%, potassium phenylsulphonyl benzene sulfonate 1wt% and nanometer polytetrafluoroethylcomposite 1wt% mixes obtained compound flame redundant, 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: take each component by weight ratio, and add respectively in high-speed mixer, make to stir 3 ~ 15 minutes together, evenly rear discharging to be mixed adds in twin screw extruder, extrude through melting mixing at 210 DEG C ~ 270 DEG C temperature, cooling granulation, drying, namely obtain the present invention.
Embodiment 2:
A kind of high-temp resistant fire-retarding modification Poly(Trimethylene Terephthalate) matrix material, its component by mass percent proportioning is: PTT 77%, PPE 15%, fire retardant 5%, ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer 2.5%, oxidation inhibitor 0.1%, pentaerythritol stearate 0.4%, wherein, described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.2dL/g, described PPE is the polyphenylene oxide of limiting viscosity 0.4 ~ 0.5dL/g, described fire retardant is by polyphenylene phosphonic acids sulfobenzide ester 78wt%, polydimethylsiloxane 20wt%, potassium phenylsulphonyl benzene sulfonate 1wt% and nanometer polytetrafluoroethylcomposite 1wt% mixes obtained compound flame redundant, described oxidation inhibitor is the Hinered phenols antioxidant 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
Preparation method: take each component by weight ratio, and add respectively in high-speed mixer, make to stir 3 ~ 15 minutes together, evenly rear discharging to be mixed adds in twin screw extruder, extrude through melting mixing at 210 DEG C ~ 270 DEG C temperature, cooling granulation, drying, namely obtain the present invention.
Claims (7)
1. a high-temp resistant fire-retarding modification Poly(Trimethylene Terephthalate) matrix material, it is characterized in that, its component by mass percent proportioning is: PTT 50% ~ 90%, PPE 5% ~ 40%, fire retardant 5% ~ 10%, compatilizer 2% ~ 6%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. a kind of high-temp resistant fire-retarding modification Poly(Trimethylene Terephthalate) matrix material according to claim 1, it is characterized in that, described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.2dL/g.
3. a kind of high-temp resistant fire-retarding modification Poly(Trimethylene Terephthalate) matrix material according to claim 1, it is characterized in that, described PPE is the polyphenylene oxide of limiting viscosity 0.4 ~ 0.5dL/g.
4. a kind of high-temp resistant fire-retarding modification Poly(Trimethylene Terephthalate) matrix material according to claim 1; it is characterized in that, described fire retardant mixes obtained compound flame redundant by polyphenylene phosphonic acids sulfobenzide ester 60 ~ 80wt%, polydimethylsiloxane 20 ~ 40wt%, potassium phenylsulphonyl benzene sulfonate 1 ~ 5wt% and nanometer polytetrafluoroethylcomposite 1 ~ 5wt%.
5. a kind of high-temp resistant fire-retarding modification Poly(Trimethylene Terephthalate) matrix material according to claim 1, it is characterized in that, described compatilizer is ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer.
6. a kind of high-temp resistant fire-retarding modification Poly(Trimethylene Terephthalate) matrix material according to claim 1, is characterized in that, described oxidation inhibitor is the Hinered phenols antioxidant 1010 or 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
7. a kind of high-temp resistant fire-retarding modification Poly(Trimethylene Terephthalate) matrix material according to claim 1, it is characterized in that, described lubricant is the one in pentaerythritol stearate, silicone powder, modification ethylene bis stearamide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770404.9A CN104845200A (en) | 2014-12-15 | 2014-12-15 | Highly-heatproof and flame-retardant modified PTT composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770404.9A CN104845200A (en) | 2014-12-15 | 2014-12-15 | Highly-heatproof and flame-retardant modified PTT composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104845200A true CN104845200A (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410770404.9A Pending CN104845200A (en) | 2014-12-15 | 2014-12-15 | Highly-heatproof and flame-retardant modified PTT composite material |
Country Status (1)
| Country | Link |
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| CN (1) | CN104845200A (en) |
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2014
- 2014-12-15 CN CN201410770404.9A patent/CN104845200A/en active Pending
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150819 |