CN104861523A - High-strength high-toughness modified polytrimethylene terephthalate composition - Google Patents
High-strength high-toughness modified polytrimethylene terephthalate composition Download PDFInfo
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- CN104861523A CN104861523A CN201410541319.5A CN201410541319A CN104861523A CN 104861523 A CN104861523 A CN 104861523A CN 201410541319 A CN201410541319 A CN 201410541319A CN 104861523 A CN104861523 A CN 104861523A
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Abstract
The invention discloses a high-strength high-toughness modified polytrimethylene terephthalate composition. The composition comprises the following ingredients, by weight, 75%-90% of PTT, 5%-15% of modified carbon fibers, 3%-8% of flexibilizer, 0.5%-2% of ultraviolet ray stabilizing agents, 0.1%-0.5% of anti-oxidants and 0.1%-1% of lubricants. The modified carbon fibers are carbon fibers with surfaces after grafting processing and then plasma processing. The flexibilizer is ethylene-octylene copolymers POE, terpolymer EP rubbers EPDM, nitrile rubbers NBR, thermoplastic polyurethane TPU. The beneficial effects are that the composition has advantages of high intensity, high modulus, high elasticity, high luster, good electric conduction, heat conduction and heat resistance and the like; the ageing resistance is high, the dimension stability is good, the cost is low, and popularization is easy.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition.
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 the problem that its thermotolerance is bad, dimensional stability is low, intensity is not high, toughness is not enough, limit its application.
Summary of the invention
The object of the present invention is to provide a kind of high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition.
The technical solution adopted for the present invention to solve the technical problems is: a kind of high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition, its component by mass percent proportioning is: PTT 75% ~ 90%, modified carbon fiber 5% ~ 15%, toughner 3% ~ 8%, ultra-violet stabilizer 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 ~ 1.5dL/g.
Described modified carbon fiber is that surface is after grafting process, again by the carbon fiber of Cement Composite Treated by Plasma.
Described toughner is the one in ethylene-octene copolymer POE, terpolymer EP rubber EPDM, paracril NBR, thermoplastic polyurethane TPU.
Described ultra-violet stabilizer is Benzotriazole Ultraviolet Stabilizer or benzophenone ultraviolet absorption agent.
Described oxidation inhibitor is the one in the compound of antioxidant 1010, antioxidant 1076, antioxidant 1010 or antioxidant 1076 and irgasfos 168.
Described lubricant is pentaerythritol stearate.
The preparation method of above-mentioned a kind of high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition, comprises the following steps:
(1) drying about 6 ~ 8 hours at 110 DEG C ~ 120 DEG C temperature of forced air circulation baking oven, by PTT is placed in, stand-by;
(2) modified Nano carbon fiber, is prepared: its surperficial epoxy resin is removed in the acetone of carbon fiber volume ratio 1:1, ethanolic soln cleaning, dry except desolventizing in 80 DEG C ~ 150 DEG C, then vinylformic acid is flooded, be wrapped in equably on glass holder, insert after oven dry that vacuum tightness is l ~ 0.2mmHg, input voltage is in the case of the plasma body of 220V, the Cement Composite Treated by Plasma of rare gas element is produced after 2 ~ 5 minutes under 0 ~ 150 DEG C of condition, stand-by after drying;
(3), taking dry PTT by weight ratio adds in high-speed mixer, add the toughner, ultra-violet stabilizer, oxidation inhibitor and the lubricant that take by weight ratio simultaneously, and add the product that step (2) obtains by weight ratio, make to stir 3 ~ 15 minutes together, discharging after fully mixing;
(4), the compound of step (3) is added in twin screw extruder, extrudes after melt blending at 210 DEG C ~ 280 DEG C, cooling granulation, then dry, obtain a kind of high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition of the present invention.
The invention has the beneficial effects as follows, the present invention has the advantages such as high strength, high-modulus, snappiness, high gloss and good conductive, heat conduction and thermostability, and ageing-resistant performance is strong, good stability of the dimension, and cost is low, is easy to promote.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Embodiment 1:
A kind of high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition, its component by mass percent proportioning is: PTT 76%, modified carbon fiber 15%, ethylene-octene copolymer POE 8%, Benzotriazole Ultraviolet Stabilizer 0.5%, antioxidant 1010 0.1%, pentaerythritol stearate 0.4%, described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.5dL/g, and described modified carbon fiber is that surface is after grafting process, again by the carbon fiber of Cement Composite Treated by Plasma.
Preparation method: (1), PTT is placed in the drying about 6 ~ 8 hours at 110 DEG C ~ 120 DEG C temperature of forced air circulation baking oven, stand-by; (2) modified Nano carbon fiber, is prepared: its surperficial epoxy resin is removed in the acetone of carbon fiber volume ratio 1:1, ethanolic soln cleaning, dry except desolventizing in 80 DEG C ~ 150 DEG C, then vinylformic acid is flooded, be wrapped in equably on glass holder, insert after oven dry that vacuum tightness is l ~ 0.2mmHg, input voltage is in the case of the plasma body of 220V, the Cement Composite Treated by Plasma of rare gas element is produced after 2 ~ 5 minutes under 0 ~ 150 DEG C of condition, stand-by after drying; (3), taking dry PTT by weight ratio adds in high-speed mixer, add the ethylene-octene copolymer POE, Benzotriazole Ultraviolet Stabilizer, antioxidant 1010, the pentaerythritol stearate that take by weight ratio simultaneously, and add the product that step (2) obtains by weight ratio, make to stir 3 ~ 15 minutes together, discharging after fully mixing; (4), the compound of step (3) is added in twin screw extruder, extrudes after melt blending at 210 DEG C ~ 280 DEG C, cooling granulation, then dry, obtain a kind of high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition of the present invention.
Embodiment 2:
A kind of high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition, its component by mass percent proportioning is: the compound 0.2% of PTT 83%, modified carbon fiber 10%, terpolymer EP rubber EPDM 5%, benzophenone ultraviolet absorption agent 1.5%, antioxidant 1010 and irgasfos 168, pentaerythritol stearate 0.3%, described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.5dL/g, and described modified carbon fiber is that surface is after grafting process, again by the carbon fiber of Cement Composite Treated by Plasma.
Preparation method: (1), PTT is placed in the drying about 6 ~ 8 hours at 110 DEG C ~ 120 DEG C temperature of forced air circulation baking oven, stand-by; (2) modified Nano carbon fiber, is prepared: its surperficial epoxy resin is removed in the acetone of carbon fiber volume ratio 1:1, ethanolic soln cleaning, dry except desolventizing in 80 DEG C ~ 150 DEG C, then vinylformic acid is flooded, be wrapped in equably on glass holder, insert after oven dry that vacuum tightness is l ~ 0.2mmHg, input voltage is in the case of the plasma body of 220V, the Cement Composite Treated by Plasma of rare gas element is produced after 2 ~ 5 minutes under 0 ~ 150 DEG C of condition, stand-by after drying; (3), taking dry PTT by weight ratio adds in high-speed mixer, add compound, the pentaerythritol stearate of terpolymer EP rubber EPDM, benzophenone ultraviolet absorption agent, antioxidant 1010 and the irgasfos 168 taken by weight ratio simultaneously, and add the product that step (2) obtains by weight ratio, make to stir 3 ~ 15 minutes together, discharging after fully mixing; (4), the compound of step (3) is added in twin screw extruder, extrudes after melt blending at 210 DEG C ~ 280 DEG C, cooling granulation, then dry, obtain a kind of high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition of the present invention.
Claims (5)
1. a high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition, it is characterized in that, its component by mass percent proportioning is: PTT 75% ~ 90%, modified carbon fiber 5% ~ 15%, toughner 3% ~ 8%, ultra-violet stabilizer 0.5% ~ 2%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. a kind of high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition according to claim 1, is characterized in that, described modified carbon fiber is that surface is after grafting process, again by the carbon fiber of Cement Composite Treated by Plasma.
3. a kind of high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition according to claim 1, it is characterized in that, described toughner is the one in ethylene-octene copolymer POE, terpolymer EP rubber EPDM, paracril NBR, thermoplastic polyurethane TPU.
4. a kind of high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition according to claim 1, it is characterized in that, described ultra-violet stabilizer is Benzotriazole Ultraviolet Stabilizer or benzophenone ultraviolet absorption agent.
5. the preparation method of a kind of high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition according to claim 1, is characterized in that, comprise the following steps:
(1) drying about 6 ~ 8 hours at 110 DEG C ~ 120 DEG C temperature of forced air circulation baking oven, by PTT is placed in, stand-by;
(2) modified Nano carbon fiber, is prepared: its surperficial epoxy resin is removed in the acetone of carbon fiber volume ratio 1:1, ethanolic soln cleaning, dry except desolventizing in 80 DEG C ~ 150 DEG C, then vinylformic acid is flooded, be wrapped in equably on glass holder, insert after oven dry that vacuum tightness is l ~ 0.2mmHg, input voltage is in the case of the plasma body of 220V, the Cement Composite Treated by Plasma of rare gas element is produced after 2 ~ 5 minutes under 0 ~ 150 DEG C of condition, stand-by after drying;
(3), taking dry PTT by weight ratio adds in high-speed mixer, add the toughner, ultra-violet stabilizer, oxidation inhibitor and the lubricant that take by weight ratio simultaneously, and add the product that step (2) obtains by weight ratio, make to stir 3 ~ 15 minutes together, discharging after fully mixing;
(4), the compound of step (3) is added in twin screw extruder, extrudes after melt blending at 210 DEG C ~ 280 DEG C, cooling granulation, then dry, obtain a kind of high-strength and high ductility modification Poly(Trimethylene Terephthalate) composition of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410541319.5A CN104861523A (en) | 2014-10-15 | 2014-10-15 | High-strength high-toughness modified polytrimethylene terephthalate composition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410541319.5A CN104861523A (en) | 2014-10-15 | 2014-10-15 | High-strength high-toughness modified polytrimethylene terephthalate composition |
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| CN104861523A true CN104861523A (en) | 2015-08-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106366585A (en) * | 2016-08-31 | 2017-02-01 | 周飞燕 | Ageing resistant composite material and application in preparing plug cock |
| CN109762212A (en) * | 2018-11-28 | 2019-05-17 | 青岛环球输送带有限公司 | A kind of super abrasive conveyer belt and its preparation process |
-
2014
- 2014-10-15 CN CN201410541319.5A patent/CN104861523A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106366585A (en) * | 2016-08-31 | 2017-02-01 | 周飞燕 | Ageing resistant composite material and application in preparing plug cock |
| CN106366585B (en) * | 2016-08-31 | 2021-01-26 | 南通特雷斯金属制品有限公司 | Anti-aging composite material and application thereof in preparation of cocks |
| CN109762212A (en) * | 2018-11-28 | 2019-05-17 | 青岛环球输送带有限公司 | A kind of super abrasive conveyer belt and its preparation process |
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Application publication date: 20150826 |
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| WD01 | Invention patent application deemed withdrawn after publication |