CN104861461A - Modified polytrimethylene terephthalate resin and preparation method therefor - Google Patents
Modified polytrimethylene terephthalate resin and preparation method therefor Download PDFInfo
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- CN104861461A CN104861461A CN201410531994.XA CN201410531994A CN104861461A CN 104861461 A CN104861461 A CN 104861461A CN 201410531994 A CN201410531994 A CN 201410531994A CN 104861461 A CN104861461 A CN 104861461A
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- polytrimethylene terephthalate
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Abstract
The invention discloses a modified polytrimethylene terephthalate resin and a preparation method therefor. The modified polytrimethylene terephthalate resin comprises the following ingredients, by weight, 75%-85% of PTT, 8%-12% of reinforcing agents, 4%-8% of flexibilizer, 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 flexibilizer is one of maleic anhydride-graft-ethylene-octene copolymer, maleic anhydride-graft-ethylene-propylene-alkadiene copolymer, maleic anhydride-graft-phenylethylene-ethylene-butadiene-phenylethylene copolymer, glycidyl methacrylate-graft-phenylethylene-ethylene-butadiene-phenylethylene copolymer, glycidyl methacrylate-graft-phenylethylene-butadiene-phenylethylene segmented copolymer. The beneficial effects are that the modified polytrimethylene terephthalate resin has advantages of excellent shock resistance, high intensity, high ageing resistance, good processability, beautiful molding and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of modification polytrimethylene terephthalate 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 unmodified PTT exists, and notched Izod impact strength is low, notch sensitivity greatly, easily aging defect, this greatly limits PTT and apply widely in every field.
Summary of the invention
Modification polytrimethylene terephthalate that the object of the present invention is to provide a kind of good impact resistance, ageing resistance strong and easy to process and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: modification polytrimethylene terephthalate, and its component by mass percent proportioning is: PTT 75% ~ 85%, toughener 8% ~ 12%, toughner 4% ~ 8%, 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 ~ 1.5dL/g.
Described toughener be surface through silane coupler modified process and diameter 3 ~ 30 μm, length is at 10 ~ 500 μm and the fibrous wollastonite of length-to-diameter ratio in 3 ~ 100 scopes.
Described toughner is the one in maleic anhydride grafted ethene-octene copolymer, maleic anhydride grafted ethene-propylene-diene copolymers, maleic anhydride graft SIS/SEBS, glycidyl methacrylate graft SIS/SEBS, glycidyl methacrylate graft styrene-butadiene-styrene block copolymer.
Described static inhibitor is the Sulfonates anion surfactant static inhibitor HKD-912 mutually composite with nonionogenic tenside.
Described photostabilizer is 2-hydroxyl-4 n-octyloxies-benzophenone, 2,4 dihydroxyl benzophenone, poly-{ [6-(1,1,3,3-tetramethyl butyl)-imino-]-1,3,5-triazine-2,4-bis-base [2-(2,2,6,6-tetramethyl-piperidyl)-secondary amino]-hexa-methylene-[4-(2,2,6,6-tetramethyl-piperidyl)-secondary amino], poly-(1-hydroxyethyl-2,2,6,6-tetramethyl--4-hydroxy piperidine) one in succinate.
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 the one in Zinic stearas, calcium stearate, ethylene bis stearamide, pentaerythritol stearate.
The preparation method of above-mentioned modification polytrimethylene terephthalate 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, at 210 DEG C ~ 280 DEG C temperature through melting mixing, extrude, cool, granulation, after drying, obtain the present invention.
The invention has the beneficial effects as follows, the present invention has excellent shock resistance, intensity is high, resistance to deterioration is strong, processibility is good, the advantage such as beautiful appearance.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Embodiment 1:
A kind of modification polytrimethylene terephthalate, its component by mass percent proportioning is: PTT 75%, toughener 12%, maleic anhydride grafted ethene-octene copolymer 8%, HKD-912 3%, 2-hydroxyl-4 n-octyloxies-benzophenone 1.5%, antioxidant 1010 0.2%, calcium stearate 0.3%, described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.5dL/g, described toughener is that surface is through silane coupler modified process, and diameter is at 3 ~ 30 μm, length is at 10 ~ 500 μm and the fibrous wollastonite of length-to-diameter ratio in 3 ~ 100 scopes.
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, at 210 DEG C ~ 280 DEG C temperature through melting mixing, extrude, cool, granulation, after drying, obtain modification polytrimethylene terephthalate of the present invention.
Embodiment 2:
A kind of modification polytrimethylene terephthalate, its component by mass percent proportioning is: PTT 85%, toughener 8%, maleic anhydride grafted ethene-propylene-diene copolymers 5%, HKD-912 1%, 2, 4-dihydroxy benaophenonel 0.5%, the compound 0.1% of antioxidant 1076 and irgasfos 168, pentaerythritol stearate 0.4%, described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.5dL/g, described toughener is that surface is through silane coupler modified process, and diameter is at 3 ~ 30 μm, length is at 10 ~ 500 μm and the fibrous wollastonite of length-to-diameter ratio in 3 ~ 100 scopes.
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, at 210 DEG C ~ 280 DEG C temperature through melting mixing, extrude, cool, granulation, after drying, obtain modification polytrimethylene terephthalate of the present invention.
Claims (6)
1. a modification polytrimethylene terephthalate, it is characterized in that, its component by mass percent proportioning is: PTT 75% ~ 85%, toughener 8% ~ 12%, toughner 4% ~ 8%, static inhibitor 1% ~ 3%, photostabilizer 0.5% ~ 2%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. modification polytrimethylene terephthalate according to claim 1, it is characterized in that, described toughener be surface through silane coupler modified process and diameter 3 ~ 30 μm, length is at 10 ~ 500 μm and the fibrous wollastonite of length-to-diameter ratio in 3 ~ 100 scopes.
3. modification polytrimethylene terephthalate according to claim 1, it is characterized in that, described toughner is the one in maleic anhydride grafted ethene-octene copolymer, maleic anhydride grafted ethene-propylene-diene copolymers, maleic anhydride graft SIS/SEBS, glycidyl methacrylate graft SIS/SEBS, glycidyl methacrylate graft styrene-butadiene-styrene block copolymer.
4. modification polytrimethylene terephthalate 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. modification polytrimethylene terephthalate according to claim 1, it is characterized in that, described photostabilizer is 2-hydroxyl-4 n-octyloxies-benzophenone, 2,4 dihydroxyl benzophenone, poly-{ [6-(1,1,3,3-tetramethyl butyl)-imino-]-1,3,5-triazines-2,4-bis-base [2-(2,2,6,6-tetramethyl-piperidyl)-secondary amino]-hexa-methylene-[4-(2,2,6,6-tetramethyl-piperidyl)-secondary amino], poly-(1-hydroxyethyl-2,2,6,6-tetramethyl--4-hydroxy piperidine) one in succinate.
6. the preparation method of modification polytrimethylene terephthalate 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, at 210 DEG C ~ 280 DEG C temperature through melting mixing, extrude, cool, granulation, after drying, obtain the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531994.XA CN104861461A (en) | 2014-10-11 | 2014-10-11 | Modified polytrimethylene terephthalate resin and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531994.XA CN104861461A (en) | 2014-10-11 | 2014-10-11 | Modified polytrimethylene terephthalate resin and preparation method therefor |
Publications (1)
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|---|---|
| CN104861461A true CN104861461A (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410531994.XA Pending CN104861461A (en) | 2014-10-11 | 2014-10-11 | Modified polytrimethylene terephthalate resin and preparation method therefor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041666A (en) * | 2019-03-29 | 2019-07-23 | 苏州威瑞成新材料有限公司 | A kind of preparation method of heat-resisting highly crystalline enhancing PTT/LCP alloy material |
| CN112708964A (en) * | 2021-01-13 | 2021-04-27 | 何勇 | Composite fiber with net structure and preparation method thereof |
-
2014
- 2014-10-11 CN CN201410531994.XA patent/CN104861461A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041666A (en) * | 2019-03-29 | 2019-07-23 | 苏州威瑞成新材料有限公司 | A kind of preparation method of heat-resisting highly crystalline enhancing PTT/LCP alloy material |
| CN112708964A (en) * | 2021-01-13 | 2021-04-27 | 何勇 | Composite fiber with net structure and preparation method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150826 |
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| WD01 | Invention patent application deemed withdrawn after publication |