CN104710751A - Glass fiber enhanced flame-retardant PC-PET alloy material - Google Patents
Glass fiber enhanced flame-retardant PC-PET alloy material Download PDFInfo
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- CN104710751A CN104710751A CN201310673437.7A CN201310673437A CN104710751A CN 104710751 A CN104710751 A CN 104710751A CN 201310673437 A CN201310673437 A CN 201310673437A CN 104710751 A CN104710751 A CN 104710751A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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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
- C08L2201/02—Flame or fire retardant/resistant
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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 glass fiber enhanced flame-retardant PC-PET alloy material, which is composed of the following components in percentage by weight: 45 to 60% of PC resin, 5 to 30% of PET resin, 5 to 15% of glass fiber, 5 to 10% of flame retardant, 2 to 5% of compatilizer, 0.1 to 0.5% of antioxidant, and 0.1 to 1% of lubricant. Compared with the prior art, the PET flame retardant master batch is prepared in advance, then the master batch is used to carry out flame retardant modification on PC, and at the same time, a proper amount of glass fibers and compatilizer is added to enhance the PC, so that the prepared PC-PET alloy material not only preserves the excellent properties of PC and PET, but also has an excellent flame-retardant performance and mechanical properties. Moreover, the provided PC-PET alloy material has the advantages of good processing stability, high tolerant temperature, and excellent electric performance, and is capable of being widely used in the fields such as automobiles, electronics, telecommunication, illumination, household electrical appliances, construction, and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of fiberglass reinforced fire retardant PC and PET alloy material.
Background technology
Polycarbonate (PC) has the advantages such as shock strength is high, creep resistance, good stability of the dimension, heat-resisting, transparent, dielectric properties are excellent, but simultaneously also there is processing fluidity difference, easily the shortcoming such as stress cracking, notch sensitive occurs.Polyethylene terephthalate (PET) is those semi-crystalline materials, there are extraordinary chemical stability, physical strength, electrical insulation characteristics and thermostability, especially oil-proofness and solvent resistance are excellent, but PET is used alone and there is the shortcomings such as poor heat resistance, shock strength are not high.By blended for PC and PET obtained alloy material, there is the excellent properties that PC, PET single component does not possess, all can use in a lot of occasion.But because PET is crystalline polymer, PC is non-crystalline polymer, PC and PET alloy belong to typical amorphous/crystallization co-mixing system, and both blended consistencies are poor, cause the toughness of blended PC and PET alloy material bad, and intensity is not high yet; Although the flame retardant resistance of PC itself can reach UL94 V-2 level, practical application often requires higher flame retardant properties, and PET add the flame retardant resistance reducing PC.Therefore, PC and PET alloy are strengthened, flame-retardant modified be necessary, to expand its range of application further.
Summary of the invention
The object of the present invention is to provide a kind of fiberglass reinforced fire retardant PC and PET alloy material.
The technical solution adopted for the present invention to solve the technical problems is: fiberglass reinforced fire retardant PC and PET alloy material, and its component by mass percent proportioning is: PC resin 45% ~ 60%, PET resin 5% ~ 30%, glass fibre 5% ~ 15%, fire retardant 5% ~ 10%, compatilizer 2% ~ 5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described PC resin is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.
Described PET resin is polyethylene terephthalate.
Described glass fibre be diameter 8 ~ 15 μm, length is 3 ~ 6mm and the surface alkali free glass fibre after silane coupling agent process.
The compound organic phosphorus flame retardant that described fire retardant is made up of 45wt% phosplate fire retardant and 55wt% biphosphonate fire retardant, described phosplate fire retardant comprises triphenylphosphate (TPP), described biphosphonate fire retardant comprises dihydroxyphenyl propane-bis-(diphenyl phosphate) (BDP) or Resorcinol a pair of (2,6-xylyl) phosphoric acid ester (RXP).
Described compatilizer is styrene-maleic anhydride copolymer (SMA), and the percent mass of its maleic anhydride contained is 10% ~ 20%.
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 EBS(ethylene bis stearamide), TAF(bright lubricant), PETS(pentaerythritol stearate) in one.
Above-mentioned fiberglass reinforced fire retardant PC and the preparation method of PET alloy material, comprise the following steps:
(1), by PC resin in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET resin at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by;
(2) take 45wt% phosplate fire retardant and 55wt% biphosphonate fire retardant, by weight ratio, make to mix, obtained compound organic phosphorus flame retardant, then at 80 DEG C ~ 85 DEG C dry 30 ~ 45 minutes, stand-by;
(3), add in high-speed mixer by what take dry PET resin by weight ratio, add the compound organic phosphorus flame retardant taking step (2) by weight ratio and obtain simultaneously, and the oxidation inhibitor taken by weight ratio and lubricant, after making to stir 3 ~ 10 minutes together, discharging adds in twin screw extruder, extrude after melt blending at 250 DEG C ~ 280 DEG C, cooling granulation, and dry after obtained PET fire-retardant master granule, stand-by;
(4), PET fire-retardant master granule obtained to the PC resin and step (3) that take drying is by weight ratio added in high-speed mixer, add the glass fibre and compatilizer that take by weight ratio simultaneously, after making to stir 3 ~ 15 minutes premixs together, discharging adds in twin screw extruder, extrude after abundant melt blending at 225 DEG C ~ 280 DEG C, cooling granulation, obtain fiberglass reinforced fire retardant PC of the present invention and PET alloy material.
The invention has the beneficial effects as follows, compared with prior art, first the present invention prepares PET fire-retardant master granule, is used further to carry out flame-retardant modified to PC, adds glass fiber reinforcement and appropriate compatilizer simultaneously, makes the PC that obtains and PET alloy material, while maintenance PC, PET separately original premium properties, there is excellent flame retardant properties and mechanical property, and good processing stability, heat resisting temperature is high, electrical property is excellent, can be widely used in the fields such as automobile, electronics, telecommunication, illumination, household electrical appliances, building.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Embodiment 1:
A kind of fiberglass reinforced fire retardant PC and PET alloy material, its component by mass percent proportioning is: PC resin 50%, PET resin 21%, glass fibre 15%, fire retardant 10%, compatilizer 3%, oxidation inhibitor 0.2%, TAF(bright lubricant) 0.8%.Wherein, described PC resin is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described PET resin is polyethylene terephthalate; Described glass fibre be diameter 8 ~ 15 μm, length is 3 ~ 6mm and the surface alkali free glass fibre after silane coupling agent process; The compound organic phosphorus flame retardant that described fire retardant is made up of 45wt% triphenylphosphate (TPP) and 55wt% dihydroxyphenyl propane-bis-(diphenyl phosphate) (BDP); Described compatilizer is styrene-maleic anhydride copolymer (SMA), and the percent mass of its maleic anhydride contained is 10% ~ 20%; 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: (1), by PC resin in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET resin at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by; (2) take 45wt% triphenylphosphate (TPP) and 55wt% dihydroxyphenyl propane-bis-(diphenyl phosphate) (BDP), by weight ratio, make to mix, obtained compound organic phosphorus flame retardant, then at 80 DEG C ~ 85 DEG C dry 30 ~ 45 minutes, stand-by; (3), add in high-speed mixer by what take dry PET resin by weight ratio, add the compound organic phosphorus flame retardant taking step (2) by weight ratio and obtain simultaneously, and the oxidation inhibitor taken by weight ratio and TAF(bright lubricant), after making to stir 3 ~ 10 minutes together, discharging adds in twin screw extruder, extrude after melt blending at 250 DEG C ~ 280 DEG C, cooling granulation, and dry after obtained PET fire-retardant master granule, stand-by; (4), PET fire-retardant master granule obtained to the PC resin and step (3) that take drying is by weight ratio added in high-speed mixer, add the glass fibre and compatilizer that take by weight ratio simultaneously, after making to stir 3 ~ 15 minutes premixs together, discharging adds in twin screw extruder, extrude after abundant melt blending at 225 DEG C ~ 280 DEG C, cooling granulation, obtain fiberglass reinforced fire retardant PC of the present invention and PET alloy material.
Embodiment 2:
A kind of fiberglass reinforced fire retardant PC and PET alloy material, its component by mass percent proportioning is: PC resin 55%, PET resin 25%, glass fibre 10%, fire retardant 5%, compatilizer 4%, oxidation inhibitor 0.2%, PETS(pentaerythritol stearate) 0.8%.Wherein, described PC resin is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described PET resin is polyethylene terephthalate; Described glass fibre be diameter 8 ~ 15 μm, length is 3 ~ 6mm and the surface alkali free glass fibre after silane coupling agent process; Described fire retardant is the compound organic phosphorus flame retardant be made up of 45wt% triphenylphosphate (TPP) and 55wt% Resorcinol a pair of (2,6-xylyl) phosphoric acid ester (RXP); Described compatilizer is styrene-maleic anhydride copolymer (SMA), and the percent mass of its maleic anhydride contained is 10% ~ 20%; 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: (1), by PC resin in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET resin at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by; (2) 45wt% triphenylphosphate (TPP) and 55wt% Resorcinol a pair of (2, is taken by weight ratio, 6-xylyl) phosphoric acid ester (RXP), make to mix, obtained compound organic phosphorus flame retardant, then at 80 DEG C ~ 85 DEG C dry 30 ~ 45 minutes, stand-by; (3), add in high-speed mixer by what take dry PET resin by weight ratio, add the compound organic phosphorus flame retardant taking step (2) by weight ratio and obtain simultaneously, and the oxidation inhibitor taken by weight ratio and PETS(pentaerythritol stearate), after making to stir 3 ~ 10 minutes together, discharging adds in twin screw extruder, extrude after melt blending at 250 DEG C ~ 280 DEG C, cooling granulation, and dry after obtained PET fire-retardant master granule, stand-by; (4), PET fire-retardant master granule obtained to the PC resin and step (3) that take drying is by weight ratio added in high-speed mixer, add the glass fibre and compatilizer that take by weight ratio simultaneously, after making to stir 3 ~ 15 minutes premixs together, discharging adds in twin screw extruder, extrude after abundant melt blending at 225 DEG C ~ 280 DEG C, cooling granulation, obtain fiberglass reinforced fire retardant PC of the present invention and PET alloy material.
Claims (7)
1. a fiberglass reinforced fire retardant PC and PET alloy material, it is characterized in that, its component by mass percent proportioning is: PC resin 45% ~ 60%, PET resin 5% ~ 30%, glass fibre 5% ~ 15%, fire retardant 5% ~ 10%, compatilizer 2% ~ 5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. fiberglass reinforced fire retardant PC according to claim 1 and PET alloy material, is characterized in that, described glass fibre be diameter 8 ~ 15 μm, length is 3 ~ 6mm and the surface alkali free glass fibre after silane coupling agent process.
3. fiberglass reinforced fire retardant PC according to claim 1 and PET alloy material, it is characterized in that, the compound organic phosphorus flame retardant that described fire retardant is made up of 45wt% phosplate fire retardant and 55wt% biphosphonate fire retardant, described phosplate fire retardant comprises triphenylphosphate (TPP), described biphosphonate fire retardant comprises dihydroxyphenyl propane-bis-(diphenyl phosphate) (BDP) or Resorcinol a pair of (2,6-xylyl) phosphoric acid ester (RXP).
4. fiberglass reinforced fire retardant PC according to claim 1 and PET alloy material, is characterized in that, described compatilizer is styrene-maleic anhydride copolymer (SMA), and the percent mass of its maleic anhydride contained is 10% ~ 20%.
5. fiberglass reinforced fire retardant PC according to claim 1 and PET alloy material, 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.
6. fiberglass reinforced fire retardant PC according to claim 1 and PET alloy material, is characterized in that, described lubricant is EBS(ethylene bis stearamide), TAF(bright lubricant), PETS(pentaerythritol stearate) in one.
7. the preparation method of fiberglass reinforced fire retardant PC according to claim 1 and PET alloy material, is characterized in that, comprise the following steps:
(1), by PC resin in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PET resin at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by;
(2) take 45wt% phosplate fire retardant and 55wt% biphosphonate fire retardant, by weight ratio, make to mix, obtained compound organic phosphorus flame retardant, then at 80 DEG C ~ 85 DEG C dry 30 ~ 45 minutes, stand-by;
(3), add in high-speed mixer by what take dry PET resin by weight ratio, add the compound organic phosphorus flame retardant taking step (2) by weight ratio and obtain simultaneously, and the oxidation inhibitor taken by weight ratio and lubricant, after making to stir 3 ~ 10 minutes together, discharging adds in twin screw extruder, extrude after melt blending at 250 DEG C ~ 280 DEG C, cooling granulation, and dry after obtained PET fire-retardant master granule, stand-by;
(4), PET fire-retardant master granule obtained to the PC resin and step (3) that take drying is by weight ratio added in high-speed mixer, add the glass fibre and compatilizer that take by weight ratio simultaneously, after making to stir 3 ~ 15 minutes premixs together, discharging adds in twin screw extruder, extrude after abundant melt blending at 225 DEG C ~ 280 DEG C, cooling granulation, obtain fiberglass reinforced fire retardant PC of the present invention and PET alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310673437.7A CN104710751A (en) | 2013-12-13 | 2013-12-13 | Glass fiber enhanced flame-retardant PC-PET alloy material |
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| CN201310673437.7A CN104710751A (en) | 2013-12-13 | 2013-12-13 | Glass fiber enhanced flame-retardant PC-PET alloy material |
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| CN104710751A true CN104710751A (en) | 2015-06-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936744A (en) * | 2016-06-21 | 2016-09-14 | 惠安县威科电子科技有限公司 | PC/PET alloy material prepared by utilization of waste PC and PET materials |
| CN108219355A (en) * | 2018-02-26 | 2018-06-29 | 合肥尚强电气科技有限公司 | A kind of fire retardation PC/ABS alloy material of electric appliance casing and preparation method thereof |
-
2013
- 2013-12-13 CN CN201310673437.7A patent/CN104710751A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936744A (en) * | 2016-06-21 | 2016-09-14 | 惠安县威科电子科技有限公司 | PC/PET alloy material prepared by utilization of waste PC and PET materials |
| CN108219355A (en) * | 2018-02-26 | 2018-06-29 | 合肥尚强电气科技有限公司 | A kind of fire retardation PC/ABS alloy material of electric appliance casing and preparation method thereof |
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Application publication date: 20150617 |