CN104861538A - Polytrimethylene terephthalate reinforced composite material and preparation method therefor - Google Patents
Polytrimethylene terephthalate reinforced composite material and preparation method therefor Download PDFInfo
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- CN104861538A CN104861538A CN201410547907.XA CN201410547907A CN104861538A CN 104861538 A CN104861538 A CN 104861538A CN 201410547907 A CN201410547907 A CN 201410547907A CN 104861538 A CN104861538 A CN 104861538A
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Abstract
The invention discloses a polytrimethylene terephthalate reinforced composite material and a preparation method therefor. The reinforced composite material comprises the following ingredients, by weight, 70%-90% of PTT, 5%-15% of glass fibers, 3%-10% of flame retardants, 1%-3% of antistatic agents, 0.5%-2% of light stabilizing agents, 0.1%-0.5% of anti-oxidants and 0.1%-1% of lubricants. The flame retardants are a mixture of phosphorus-based flame retardant polysulfonyldiphenylene phenyl phosphonate and silicon-based flame retardant polydimethylsiloxane with a weight ratio of 2:1. The beneficial effects are that the composite material has advantages of high intensity, good chemical stability, high heat resistance, good shaping and the like, the flame retardation effects are good, the cost is low, the adaptability is strong, and popularization is convenient.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of Poly(Trimethylene Terephthalate) reinforced composite and preparation method thereof.
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 PTT is used alone exists that its intensity is not high, thermotolerance is bad, the problem of poor fire, limit its application.
Summary of the invention
The object of the present invention is to provide that a kind of mechanical property is good, the Poly(Trimethylene Terephthalate) reinforced composite of the strong and good flame retardation effect of ageing resistance and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Poly(Trimethylene Terephthalate) reinforced composite, and its component by mass percent proportioning is: PTT 70% ~ 90%, glass fibre 5% ~ 15%, fire retardant 3% ~ 10%, static inhibitor 1% ~ 3%, photostabilizer 0.5% ~ 2%, 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 glass fibre be surface through silane coupling agent process mean length 50 ~ 200 μm, mean diameter is at 5 ~ 25 μm and the alkali free glass fibre of length-to-diameter ratio in 10 ~ 30 scopes.
Described fire retardant is the phosphorus flame retardant polyphenylene phosphonic acids sulfobenzide ester of mass ratio 2:1 and the compound of silicon-series five-retardant polydimethylsiloxane.
Described static inhibitor is the Sulfonates anion surfactant static inhibitor HKD-912 mutually composite with nonionogenic tenside.
Described photostabilizer is the compound of hindered amines high molecular photostabilizer GW-944Z and the GW-622 of mass ratio 1:1.
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 the one in calcium stearate, Zinic stearas, pentaerythritol stearate.
The preparation method of above-mentioned a kind of Poly(Trimethylene Terephthalate) reinforced composite is: take each component by weight ratio, and add respectively in high-speed mixer, make to stir 3 ~ 5 minutes together, evenly rear discharging to be mixed adds in twin screw extruder, extrude through melting mixing at 210 DEG C ~ 280 DEG C temperature, cooling granulation, drying, obtain the present invention.
The invention has the beneficial effects as follows, the present invention has the advantages such as intensity is high, chemical stability good, thermotolerance is high, forming, and good flame retardation effect, and cost is low, strong adaptability, is convenient to promote.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Embodiment 1:
A kind of Poly(Trimethylene Terephthalate) reinforced composite, its component by mass percent proportioning is: PTT 71%, glass fibre 15%, fire retardant 10%, static inhibitor 2%, photostabilizer 1.5%, oxidation inhibitor 0.1%, pentaerythritol stearate 0.4%, described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.2dL/g, described glass fibre is that the mean length of surface through silane coupling agent process is at 50 ~ 200 μm, mean diameter is at 5 ~ 25 μm and the alkali free glass fibre of length-to-diameter ratio in 10 ~ 30 scopes, described fire retardant is the phosphorus flame retardant polyphenylene phosphonic acids sulfobenzide ester of mass ratio 2:1 and the compound of silicon-series five-retardant polydimethylsiloxane, described static inhibitor is the Sulfonates anion surfactant static inhibitor HKD-912 mutually composite with nonionogenic tenside, described photostabilizer is the compound of hindered amines high molecular photostabilizer GW-944Z and the GW-622 of mass ratio 1:1, 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 ~ 5 minutes together, evenly rear discharging to be mixed adds in twin screw extruder, extrude through melting mixing at 210 DEG C ~ 280 DEG C temperature, cooling granulation, drying, obtain a kind of Poly(Trimethylene Terephthalate) reinforced composite of the present invention.
Embodiment 2:
A kind of Poly(Trimethylene Terephthalate) reinforced composite, its component by mass percent proportioning is: PTT 83%, glass fibre 10%, fire retardant 5%, static inhibitor 1%, photostabilizer 0.5%, oxidation inhibitor 0.2%, calcium stearate 0.3%, described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.2dL/g, described glass fibre is that the mean length of surface through silane coupling agent process is at 50 ~ 200 μm, mean diameter is at 5 ~ 25 μm and the alkali free glass fibre of length-to-diameter ratio in 10 ~ 30 scopes, described fire retardant is the phosphorus flame retardant polyphenylene phosphonic acids sulfobenzide ester of mass ratio 2:1 and the compound of silicon-series five-retardant polydimethylsiloxane, described static inhibitor is the Sulfonates anion surfactant static inhibitor HKD-912 mutually composite with nonionogenic tenside, described photostabilizer is the compound of hindered amines high molecular photostabilizer GW-944Z and the GW-622 of mass ratio 1:1, 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 ~ 5 minutes together, evenly rear discharging to be mixed adds in twin screw extruder, extrude through melting mixing at 210 DEG C ~ 280 DEG C temperature, cooling granulation, drying, obtain a kind of Poly(Trimethylene Terephthalate) reinforced composite of the present invention.
Claims (8)
1. a Poly(Trimethylene Terephthalate) reinforced composite, it is characterized in that, its component by mass percent proportioning is: PTT 70% ~ 90%, glass fibre 5% ~ 15%, fire retardant 3% ~ 10%, static inhibitor 1% ~ 3%, photostabilizer 0.5% ~ 2%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. a kind of Poly(Trimethylene Terephthalate) reinforced composite according to claim 1, it is characterized in that, described glass fibre be surface through silane coupling agent process mean length 50 ~ 200 μm, mean diameter is at 5 ~ 25 μm and the alkali free glass fibre of length-to-diameter ratio in 10 ~ 30 scopes.
3. a kind of Poly(Trimethylene Terephthalate) reinforced composite according to claim 1, is characterized in that, described fire retardant is the phosphorus flame retardant polyphenylene phosphonic acids sulfobenzide ester of mass ratio 2:1 and the compound of silicon-series five-retardant polydimethylsiloxane.
4. a kind of Poly(Trimethylene Terephthalate) reinforced composite according to claim 1, is characterized in that, described static inhibitor is the Sulfonates anion surfactant static inhibitor HKD-912 mutually composite with nonionogenic tenside.
5. a kind of Poly(Trimethylene Terephthalate) reinforced composite according to claim 1, is characterized in that, described photostabilizer is the compound of hindered amines high molecular photostabilizer GW-944Z and the GW-622 of mass ratio 1:1.
6. a kind of Poly(Trimethylene Terephthalate) reinforced composite according to claim 1, 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.
7. a kind of Poly(Trimethylene Terephthalate) reinforced composite according to claim 1, is characterized in that, described lubricant is the one in calcium stearate, Zinic stearas, pentaerythritol stearate.
8. the preparation method of a kind of Poly(Trimethylene Terephthalate) reinforced composite according to claim 1, it is characterized in that, comprise the following steps: take each component by weight ratio, and add respectively in high-speed mixer, make to stir 3 ~ 5 minutes together, to be mixed evenly after discharging add in twin screw extruder, extrude through melting mixing at 210 DEG C ~ 280 DEG C temperature, cooling granulation, drying, obtain the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410547907.XA CN104861538A (en) | 2014-10-16 | 2014-10-16 | Polytrimethylene terephthalate reinforced composite material and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410547907.XA CN104861538A (en) | 2014-10-16 | 2014-10-16 | Polytrimethylene terephthalate reinforced composite material and preparation method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104861538A true CN104861538A (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410547907.XA Pending CN104861538A (en) | 2014-10-16 | 2014-10-16 | Polytrimethylene terephthalate reinforced composite material and preparation method therefor |
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| CN (1) | CN104861538A (en) |
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Application publication date: 20150826 |
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| WD01 | Invention patent application deemed withdrawn after publication |