CN104861442A - PTT heatproof flame-retardant master batch and preparation method therefor - Google Patents
PTT heatproof flame-retardant master batch and preparation method therefor Download PDFInfo
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- CN104861442A CN104861442A CN201410531399.6A CN201410531399A CN104861442A CN 104861442 A CN104861442 A CN 104861442A CN 201410531399 A CN201410531399 A CN 201410531399A CN 104861442 A CN104861442 A CN 104861442A
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Abstract
The invention discloses a PTT heatproof flame-retardant master batch and a preparation method therefor. The PTT heatproof flame-retardant master batch comprises the following ingredients, by weight, 10%-30% of PTT resins, 20%-40% of glass fibers, 5%-25% of PETG, 20%-40% of flame retardant, 0.5%-3% of dispersants and 0.1%-1% of anti-oxidants. The PETG is polyethylene glycol terephthalate-1,4-cyclohexanedimethanol terephthalate. The flame retardant is polysulfonyldiphenylene phenyl phosphonate. The beneficial effects are that By utilization of cooperation modification effects of the glass fibers, the PETC and the flame retardant, the prepared master batch has excellent heat resistance and flame resistance, the intensity is high, the impact resistance is good, the chemical-resistant stability is good, and the PTT heatproof flame-retardant master batch has good modification effects and application effects during the production process of PTT.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of PTT heat-proof combustion-resistant master batch 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 itself can not fire-retardant (limiting oxygen index(LOI) be about 21), and thermotolerance is bad, poor dimensional stability, therefore PTT needs to carry out modification to it usually.
Summary of the invention
The object of the present invention is to provide PTT heat-proof combustion-resistant master batch that a kind of concentration is high and easy to use and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of PTT heat-proof combustion-resistant master batch, and its component by mass percent proportioning is: PTT resin 10% ~ 30%, glass fibre 20% ~ 40%, PETG 5% ~ 25%, fire retardant 20% ~ 40%, dispersion agent 0.5% ~ 3%, oxidation inhibitor 0.1% ~ 1%.
Described PTT resin is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.5dL/g.
Described glass fibre is the alkali-free short glass fiber of surface through silane coupling agent process.
Described PETG is polyethylene terephthalate-1,4 cyclohexane dimethanol ester.
Described fire retardant is polyphenylene phosphonic acids sulfobenzide ester.
Described dispersion agent is fine powder level TAS-2A.
Described oxidation inhibitor is the one in the compound of antioxidant 1010, antioxidant 1076, antioxidant 1010 or antioxidant 1076 and irgasfos 168.
The preparation method of above-mentioned a kind of PTT heat-proof combustion-resistant master batch is: take each component by weight ratio, and by PTT resin, PETG, fire retardant, dispersion agent and oxidation inhibitor add in high-speed mixer and mix 3 ~ 5 minutes, to be mixed evenly after, discharging adds the main spout of twin screw extruder, add from the side spout of twin screw extruder the glass fibre taken by weight ratio simultaneously, by twin screw extruder melting mixing 1 ~ 2 minute, screw speed controls at 120 ~ 400r/min, processing temperature is 210 DEG C ~ 260 DEG C scopes, then extruding pelletization, and dry rear packaging, obtain the present invention.
The invention has the beneficial effects as follows, the present invention is by adopting the modified synergic effect of glass fibre, PETG and fire retardant, the master batch obtained is made to have excellent thermotolerance and flame retardant resistance, and intensity is high, good impact resistance, chemical-resistant stability is strong, uses and will have good modified effect and effect in PTT production process.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of PTT heat-proof combustion-resistant master batch, its component by mass percent proportioning is: PTT resin 21%, glass fibre 20%, PETG 25%, polyphenylene phosphonic acids sulfobenzide ester 30%, fine powder level TAS-2A 3%, antioxidant 1010 1%, described PTT resin is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.5dL/g, described glass fibre is the alkali-free short glass fiber of surface through silane coupling agent process, described PETG is polyethylene terephthalate-1,4 cyclohexane dimethanol ester.
Preparation method: take each component by weight ratio, and by PTT resin, PETG, polyphenylene phosphonic acids sulfobenzide ester, fine powder level TAS-2A, antioxidant 1010 adds in high-speed mixer and mixes 3 ~ 5 minutes, to be mixed evenly after, discharging adds the main spout of twin screw extruder, add from the side spout of twin screw extruder the glass fibre taken by weight ratio simultaneously, by twin screw extruder melting mixing 1 ~ 2 minute, screw speed controls at 120 ~ 400r/min, processing temperature is 210 DEG C ~ 260 DEG C scopes, then extruding pelletization, and dry rear packaging, obtain a kind of PTT heat-proof combustion-resistant master batch of the present invention.
Embodiment 2:
A kind of PTT heat-proof combustion-resistant master batch, its component by mass percent proportioning is: the compound 0.5% of PTT resin 23%, glass fibre 25%, PETG 10%, polyphenylene phosphonic acids sulfobenzide ester 40%, fine powder level TAS-2A 1.5%, antioxidant 1076 and irgasfos 168, described PTT resin is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.5dL/g, described glass fibre is the alkali-free short glass fiber of surface through silane coupling agent process, described PETG is polyethylene terephthalate-1,4 cyclohexane dimethanol ester.
Preparation method: take each component by weight ratio, and by PTT resin, PETG, polyphenylene phosphonic acids sulfobenzide ester, fine powder level TAS-2A, antioxidant 1076 adds in high-speed mixer with the compound of irgasfos 168 and mixes 3 ~ 5 minutes, to be mixed evenly after, discharging adds the main spout of twin screw extruder, add from the side spout of twin screw extruder the glass fibre taken by weight ratio simultaneously, by twin screw extruder melting mixing 1 ~ 2 minute, screw speed controls at 120 ~ 400r/min, processing temperature is 210 DEG C ~ 260 DEG C scopes, then extruding pelletization, and dry rear packaging, obtain a kind of PTT heat-proof combustion-resistant master batch of the present invention.
Claims (6)
1. a PTT heat-proof combustion-resistant master batch, is characterized in that, its component by mass percent proportioning is: PTT resin 10% ~ 30%, glass fibre 20% ~ 40%, PETG 5% ~ 25%, fire retardant 20% ~ 40%, dispersion agent 0.5% ~ 3%, oxidation inhibitor 0.1% ~ 1%.
2. a kind of PTT heat-proof combustion-resistant master batch according to claim 1, is characterized in that, described glass fibre is the alkali-free short glass fiber of surface through silane coupling agent process.
3. a kind of PTT heat-proof combustion-resistant master batch according to claim 1, is characterized in that, described fire retardant is polyphenylene phosphonic acids sulfobenzide ester.
4. a kind of PTT heat-proof combustion-resistant master batch according to claim 1, it is characterized in that, described dispersion agent is fine powder level TAS-2A.
5. a kind of PTT heat-proof combustion-resistant master batch according to claim 1, it is characterized in that, described oxidation inhibitor is the one in the compound of antioxidant 1010, antioxidant 1076, antioxidant 1010 or antioxidant 1076 and irgasfos 168.
6. the preparation method of a kind of PTT heat-proof combustion-resistant master batch according to claim 1, it is characterized in that, comprise the following steps: take each component by weight ratio, and by PTT resin, PETG, fire retardant, dispersion agent and oxidation inhibitor add in high-speed mixer and mix 3 ~ 5 minutes, to be mixed evenly after, discharging adds the main spout of twin screw extruder, add from the side spout of twin screw extruder the glass fibre taken by weight ratio simultaneously, by twin screw extruder melting mixing 1 ~ 2 minute, screw speed controls at 120 ~ 400r/min, processing temperature is 210 DEG C ~ 260 DEG C scopes, then extruding pelletization, and dry rear packaging, obtain the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531399.6A CN104861442A (en) | 2014-10-11 | 2014-10-11 | PTT heatproof flame-retardant master batch and preparation method therefor |
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| CN201410531399.6A CN104861442A (en) | 2014-10-11 | 2014-10-11 | PTT heatproof flame-retardant master batch and preparation method therefor |
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| CN104861442A true CN104861442A (en) | 2015-08-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994380A (en) * | 2017-11-08 | 2018-05-04 | 陕西航空电气有限责任公司 | A kind of aviation external power receptacle |
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2014
- 2014-10-11 CN CN201410531399.6A patent/CN104861442A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994380A (en) * | 2017-11-08 | 2018-05-04 | 陕西航空电气有限责任公司 | A kind of aviation external power receptacle |
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Application publication date: 20150826 |