CN104710755A - Filling modified PC/PBT blended alloy and preparation method thereof - Google Patents
Filling modified PC/PBT blended alloy and preparation method thereof Download PDFInfo
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- CN104710755A CN104710755A CN201310673441.3A CN201310673441A CN104710755A CN 104710755 A CN104710755 A CN 104710755A CN 201310673441 A CN201310673441 A CN 201310673441A CN 104710755 A CN104710755 A CN 104710755A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a filling modified PC/PBT blended alloy and a preparation method thereof. The alloy is composed of the following components in percentage by weight: 30 to 60% of PC, 20 to 40% of PBT, 5 to 25% of filling agent, 0.1 to 1% of coupling agent, 1 to 4% of compatilizer, 0.1 to 1.5% of triphenyl phosphite, 0.5 to 2% of light stabilizer, 0.1 to 0.5% of antioxidant, and 0.1 to 1.5% of lubricant. Compared to the prior art, the filling modified PC/PBT blended alloy has the excellent performances of PC and PBT, moreover, the strength, rigidness, and thermal stability of the alloy are prominently improved, and at the same time the alloy has the advantages of good weatherability, good processing ability, good electric performance, and low cost and has a good prospect in industries of electronics, machinery parts, and automobiles.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of filling-modified PC/PBT blend alloy and preparation method thereof.
Background technology
PC/PBT(polycarbonate/polybutylene terephthalate) blend alloy, have high thermotolerance, good impact property, processibility and chemical proofing etc. are a kind of engineering plastics that industrial using value is higher.In order to improve the mechanical property, improvement processing characteristics etc. of PC/PBT blend alloy further, in this alloy system, often introduce three components, with the effect realizing improving SNR to it He reduce costs.
Summary of the invention
The object of the present invention is to provide filling-modified PC/PBT blend alloy that a kind of mechanical property is good, cost is low and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of filling-modified PC/PBT blend alloy, and its component by mass percent proportioning is: PC 30% ~ 60%, PBT 20% ~ 40%, weighting agent 5% ~ 25%, coupling agent 0.1% ~ 1%, compatilizer 1% ~ 4%, triphenyl phosphite 0.1% ~ 1.5%, photostabilizer 0.5% ~ 2%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1.5%.
Described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 30000g/mol.
Described PBT is polybutylene terephthalate.
Described weighting agent is the one in nano imvite, superfine heavy calcium carbonate, gas phase nano talcum powder, alkali free glass fibre.
Described coupling agent is the one in silane coupling agent, titanate coupling agent, aluminium titanium composite coupler.
Described compatilizer is ethylene-methyl acrylate-glyceryl methacrylate multipolymer.
Described photostabilizer is ESCALOL 567 or Octabenzone.
Described oxidation inhibitor is the compound of Hinered phenols antioxidant 1010 or 1076 and phosphite ester kind antioxidant 168 1:2 in mass ratio.
Described lubricant is the one in EVA wax, calcium stearate, ethylene bis-fatty acid amides, pentaerythritol stearate.
The preparation method of above-mentioned a kind of filling-modified PC/PBT blend alloy, comprises the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, weighting agent at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by;
(2) take dry weighting agent and coupling agent, by weight ratio, add a material temperature degree in the high-speed mixer of 80 DEG C ~ 100 DEG C, after rotating speed 3000 ~ 6000 revs/min stirs 10 ~ 60 minutes, be cooled to lower than 40 DEG C of dischargings stand-by;
(3), dry PC and PBT is taken by weight ratio, add in high-speed mixer and stir 3 ~ 5 minutes, then the product taking step (2) is by weight ratio added, and add the compatilizer, triphenyl phosphite, photostabilizer, oxidation inhibitor, the lubricant that take by weight ratio, after making to stir together and within 5 ~ 20 minutes, reaching and mix, discharging;
(4), the material of step (3) is added in twin screw extruder, extrudes after abundant melting blending at 240 DEG C ~ 260 DEG C, cooling granulation, obtain the filling-modified PC/PBT blend alloy of one of the present invention.
The invention has the beneficial effects as follows, compared with prior art, the filling-modified PC/PBT blend alloy of one of the present invention, while PC, PBT separately excellent properties, significantly improve intensity, rigidity and thermostability etc., and have good weathering performance and processing characteristics, electrical property might as well, cost is low, and in electronic apparatus, mechanical component, automotive industry etc., application has good prospect.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Embodiment 1:
A kind of filling-modified PC/PBT blend alloy, its component by mass percent proportioning is: PC 58%, PBT 25%, nano imvite 25%, silane coupling agent 1%, ethylene-methyl acrylate-glyceryl methacrylate multipolymer 2.5%, triphenyl phosphite 1.5%, ESCALOL 567 2%, oxidation inhibitor 0.3%, calcium stearate 0.7%.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 30000g/mol; Described PBT is polybutylene terephthalate; Described oxidation inhibitor is Hinered phenols antioxidant 1010 and the compound of phosphite ester kind antioxidant 168 1:2 in mass ratio.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, nano imvite at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by; (2) take dry nano imvite and silane coupling agent, by weight ratio, add a material temperature degree in the high-speed mixer of 80 DEG C ~ 100 DEG C, after rotating speed 3000 ~ 6000 revs/min stirs 10 ~ 60 minutes, be cooled to lower than 40 DEG C of dischargings stand-by; (3), dry PC and PBT is taken by weight ratio, add in high-speed mixer and stir 3 ~ 5 minutes, then the product taking step (2) is by weight ratio added, and add the ethylene-methyl acrylate-glyceryl methacrylate multipolymer, triphenyl phosphite, ESCALOL 567, oxidation inhibitor, the calcium stearate that take by weight ratio, after making to stir together and within 5 ~ 20 minutes, reaching and mix, discharging; (4), the material of step (3) is added in twin screw extruder, extrudes after abundant melting blending at 240 DEG C ~ 260 DEG C, cooling granulation, obtain the filling-modified PC/PBT blend alloy of one of the present invention.
Embodiment 2:
A kind of filling-modified PC/PBT blend alloy, its component by mass percent proportioning is: PC 42%, PBT 35%, superfine heavy calcium carbonate 15%, titanate coupling agent 0.5%, ethylene-methyl acrylate-glyceryl methacrylate multipolymer 4%, triphenyl phosphite 1%, Octabenzone 1%, oxidation inhibitor 0.3%, pentaerythritol stearate 1.2%.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 30000g/mol; Described PBT is polybutylene terephthalate; Described oxidation inhibitor is Hinered phenols antioxidant 1076 and the compound of phosphite ester kind antioxidant 168 1:2 in mass ratio.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, superfine heavy calcium carbonate at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by; (2), dry superfine heavy calcium carbonate and titanate coupling agent is taken by weight ratio, add a material temperature degree in the high-speed mixer of 80 DEG C ~ 100 DEG C, after rotating speed 3000 ~ 6000 revs/min stirs 10 ~ 60 minutes, be cooled to lower than 40 DEG C of dischargings stand-by; (3), dry PC and PBT is taken by weight ratio, add in high-speed mixer and stir 3 ~ 5 minutes, then the product taking step (2) is by weight ratio added, and add the ethylene-methyl acrylate-glyceryl methacrylate multipolymer, triphenyl phosphite, Octabenzone, oxidation inhibitor, the pentaerythritol stearate that take by weight ratio, after making to stir together and within 5 ~ 20 minutes, reaching and mix, discharging; (4), the material of step (3) is added in twin screw extruder, extrudes after abundant melting blending at 240 DEG C ~ 260 DEG C, cooling granulation, obtain the filling-modified PC/PBT blend alloy of one of the present invention.
Claims (5)
1. a filling-modified PC/PBT blend alloy, it is characterized in that, its component by mass percent proportioning is: PC 30% ~ 60%, PBT 20% ~ 40%, weighting agent 5% ~ 25%, coupling agent 0.1% ~ 1%, compatilizer 1% ~ 4%, triphenyl phosphite 0.1% ~ 1.5%, photostabilizer 0.5% ~ 2%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1.5%.
2. the filling-modified PC/PBT blend alloy of one according to claim 1, is characterized in that, described weighting agent is the one in nano imvite, superfine heavy calcium carbonate, gas phase nano talcum powder, alkali free glass fibre.
3. the filling-modified PC/PBT blend alloy of one according to claim 1, is characterized in that, described compatilizer is ethylene-methyl acrylate-glyceryl methacrylate multipolymer.
4. the filling-modified PC/PBT blend alloy of one according to claim 1, is characterized in that, described photostabilizer is ESCALOL 567 or Octabenzone.
5. the preparation method of a kind of filling-modified PC/PBT blend alloy according to claim 1, is characterized in that, comprise the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, weighting agent at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by;
(2) take dry weighting agent and coupling agent, by weight ratio, add a material temperature degree in the high-speed mixer of 80 DEG C ~ 100 DEG C, after rotating speed 3000 ~ 6000 revs/min stirs 10 ~ 60 minutes, be cooled to lower than 40 DEG C of dischargings stand-by;
(3), dry PC and PBT is taken by weight ratio, add in high-speed mixer and stir 3 ~ 5 minutes, then the product taking step (2) is by weight ratio added, and add the compatilizer, triphenyl phosphite, photostabilizer, oxidation inhibitor, the lubricant that take by weight ratio, after making to stir together and within 5 ~ 20 minutes, reaching and mix, discharging;
(4), the material of step (3) is added in twin screw extruder, extrudes after abundant melting blending at 240 DEG C ~ 260 DEG C, cooling granulation, obtain the filling-modified PC/PBT blend alloy of one of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310673441.3A CN104710755A (en) | 2013-12-13 | 2013-12-13 | Filling modified PC/PBT blended alloy and preparation method thereof |
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| CN201310673441.3A CN104710755A (en) | 2013-12-13 | 2013-12-13 | Filling modified PC/PBT blended alloy and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336640A (en) * | 2016-08-26 | 2017-01-18 | 青岛海尔新材料研发有限公司 | PC-PBT alloy modified material and preparation method thereof |
| CN109880335A (en) * | 2018-12-29 | 2019-06-14 | 太仓市华鼎塑料有限公司 | A kind of high shading high-impact PC/PBT alloy material and preparation method thereof |
| CN112266598A (en) * | 2020-10-28 | 2021-01-26 | 武汉金发科技有限公司 | Talcum powder filled PC/PBT alloy material and preparation method thereof |
-
2013
- 2013-12-13 CN CN201310673441.3A patent/CN104710755A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336640A (en) * | 2016-08-26 | 2017-01-18 | 青岛海尔新材料研发有限公司 | PC-PBT alloy modified material and preparation method thereof |
| CN109880335A (en) * | 2018-12-29 | 2019-06-14 | 太仓市华鼎塑料有限公司 | A kind of high shading high-impact PC/PBT alloy material and preparation method thereof |
| CN112266598A (en) * | 2020-10-28 | 2021-01-26 | 武汉金发科技有限公司 | Talcum powder filled PC/PBT alloy material and preparation method thereof |
| CN112266598B (en) * | 2020-10-28 | 2022-08-30 | 武汉金发科技有限公司 | Talcum powder filled PC/PBT alloy material and preparation method thereof |
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Application publication date: 20150617 |