CN104650553A - Low smoke, environmental protection and flame retardation PC/PBT alloy and preparation method thereof - Google Patents
Low smoke, environmental protection and flame retardation PC/PBT alloy and preparation method thereof Download PDFInfo
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- CN104650553A CN104650553A CN201310595620.XA CN201310595620A CN104650553A CN 104650553 A CN104650553 A CN 104650553A CN 201310595620 A CN201310595620 A CN 201310595620A CN 104650553 A CN104650553 A CN 104650553A
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- retardant
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- low cigarette
- pbt alloy
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08L2201/02—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
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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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
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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
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
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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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a low smoke, environmental protection and flame retardation PC/PBT alloy and a preparation method thereof. The low smoke, environmental protection and flame retardation PC/PBT alloy comprises, by mass, 40-60% of PC, 20-40% of PBT, 5-10% of a nitrogen and phosphorus flame retardant, 2-5% of a low smoke modifier, 0.5-2% of a heatproof stabilizer, 0.1-1% of triphenyl phosphate, 1-3% of a compatilizer, 0.1-0.5% of an antioxidant and 0.1-1% of a lubricant. The low smoke, environmental protection and flame retardation PC/PBT alloy has the excellent impact resistance of the PC and the good chemical resistance of the PBT, and also has the advantages of excellent flame retardation performance, good heatproof performance, no halogen, smoke inhibition, safety, high efficiency, environmental protection, flame retardation reaching UL94V-0 level, low cost, good processability and wide application range.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of low cigarette environmental-friendly fire-retardant PC/PBT alloy and preparation method thereof.
Background technology
PC/PBT alloy (polycarbonate/butylene terephthalate) has high thermotolerance, and 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 alloy further, in this alloy system, often introducing a small amount of three components, be intended to the alloy material obtaining having much practical value.
Summary of the invention
The object of the present invention is to provide a kind of low cigarette environmental-friendly fire-retardant PC/PBT alloy and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: low cigarette environmental-friendly fire-retardant PC/PBT alloy, and its component by mass percent proportioning is: PC 40% ~ 60%, PBT 20% ~ 40%, nitrogen phosphorus fire retardant 5% ~ 10%, low cigarette properties-correcting agent 2% ~ 5%, heat-resisting stabilizing agent 0.5% ~ 2%, triphenyl phosphite 0.1% ~ 1%, compatilizer 1% ~ 3%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 30000g/mol.
Described PBT is polybutylene terephthalate, and its intrinsic viscosity is 0.8 ~ 1.2dL/g.
Described nitrogen phosphorus fire retardant is melamine urate (MCA) or melamine polyphosphate (MPP).
Described low cigarette properties-correcting agent is the organo-siloxane of mass ratio 1:2 and the compound of nano titanium oxide.
Described heat-resisting stabilizing agent is N, N-4,4-diphenyl methane dimaleimide.
Described compatilizer is acrylonitritrile-styrene resin grafted maleic anhydride (AS-g-MAH).
Described oxidation inhibitor is the compound of Hinered phenols antioxidant 1010 or 1076 and phosphite ester kind antioxidant 168 1:1 in mass ratio.
Described lubricant is pentaerythritol stearate (PETS).
The preparation method of above-mentioned low cigarette environmental-friendly fire-retardant PC/PBT 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, stand-by;
(2), by taking dry PBT by weight ratio, nitrogen phosphorus fire retardant, low cigarette properties-correcting agent, heat-resisting stabilizing agent, oxidation inhibitor, lubricant add in high-speed mixer, after to make to stir together 3 ~ 15 minutes all mixed, discharging add in twin screw extruder carry out melt extruding, cooling granulation, and stand-by after drying;
(3), the product taking dry PC and step (2) is by weight ratio added in high-speed mixer, add the triphenyl phosphite and compatilizer that take by weight ratio simultaneously, after to make to stir together 3 ~ 15 minutes all mixed, discharging adds in twin screw extruder, by twin screw extruder fully plastify blended after extrude, cooling granulation, obtain low cigarette environmental-friendly fire-retardant PC/PBT alloy of the present invention.
The invention has the beneficial effects as follows, compared with prior art, low cigarette environmental-friendly fire-retardant PC/PBT alloy of the present invention, not only there is the excellent impact resistance energy of PC and the good chemical resistance of PBT, and there is excellent flame retardant properties and resistance toheat, its flame retardant properties meets Halogen, presses down cigarette, safety, efficiently, environmental protection and UL94 V-0 class requirement, and cost is low, processibility is good, applied widely.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
A kind of low cigarette environmental-friendly fire-retardant PC/PBT alloy, its component by mass percent proportioning is: PC 55%, PBT 25%, melamine urate (MCA) 10%, the organo-siloxane of mass ratio 1:2 and compound 3%, the N of nano titanium oxide, compound 0.2%, the pentaerythritol stearate (PETS) 0.8% of N-4,4-diphenyl methane dimaleimide 2%, triphenyl phosphite 1%, acrylonitritrile-styrene resin grafted maleic anhydride (AS-g-MAH) 3%, Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168 1:1 in mass ratio.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 30000g/mol; Described PBT is polybutylene terephthalate, and its intrinsic viscosity is 0.8 ~ 1.2dL/g.
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, stand-by; (2), dry PBT, melamine urate (MCA), the organo-siloxane of mass ratio 1:2 and compound, the N of nano titanium oxide will be taken by weight ratio, N-4,4-diphenyl methane dimaleimide, Hinered phenols antioxidant 1010 and the phosphite ester kind antioxidant 168 in mass ratio compound of 1:1, pentaerythritol stearate (PETS) add in high-speed mixer, after to make to stir together 3 ~ 15 minutes all mixed, discharging add in twin screw extruder carry out melt extruding, cooling granulation, and stand-by after drying; (3), the product taking dry PC and step (2) is by weight ratio added in high-speed mixer, add the triphenyl phosphite and acrylonitritrile-styrene resin grafted maleic anhydride (AS-g-MAH) that take by weight ratio simultaneously, after to make to stir together 3 ~ 15 minutes all mixed, discharging adds in twin screw extruder, by twin screw extruder fully plastify blended after extrude, cooling granulation, obtain low cigarette environmental-friendly fire-retardant PC/PBT alloy of the present invention.
Claims (6)
1. one kind low cigarette environmental-friendly fire-retardant PC/PBT alloy, it is characterized in that, its component by mass percent proportioning is: PC 40% ~ 60%, PBT 20% ~ 40%, nitrogen phosphorus fire retardant 5% ~ 10%, low cigarette properties-correcting agent 2% ~ 5%, heat-resisting stabilizing agent 0.5% ~ 2%, triphenyl phosphite 0.1% ~ 1%, compatilizer 1% ~ 3%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. low cigarette environmental-friendly fire-retardant PC/PBT alloy according to claim 1, is characterized in that, described nitrogen phosphorus fire retardant is melamine urate (MCA) or melamine polyphosphate (MPP).
3. low cigarette environmental-friendly fire-retardant PC/PBT alloy according to claim 1, is characterized in that, described low cigarette properties-correcting agent is the organo-siloxane of mass ratio 1:2 and the compound of nano titanium oxide.
4. low cigarette environmental-friendly fire-retardant PC/PBT alloy according to claim 1, it is characterized in that, described heat-resisting stabilizing agent is N, N-4,4-diphenyl methane dimaleimide.
5. low cigarette environmental-friendly fire-retardant PC/PBT alloy according to claim 1, is characterized in that, described compatilizer is acrylonitritrile-styrene resin grafted maleic anhydride (AS-g-MAH).
6. the preparation method of low cigarette environmental-friendly fire-retardant PC/PBT 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, stand-by;
(2), by taking dry PBT by weight ratio, nitrogen phosphorus fire retardant, low cigarette properties-correcting agent, heat-resisting stabilizing agent, oxidation inhibitor, lubricant add in high-speed mixer, after to make to stir together 3 ~ 15 minutes all mixed, discharging add in twin screw extruder carry out melt extruding, cooling granulation, and stand-by after drying;
(3), the product taking dry PC and step (2) is by weight ratio added in high-speed mixer, add the triphenyl phosphite and compatilizer that take by weight ratio simultaneously, after to make to stir together 3 ~ 15 minutes all mixed, discharging adds in twin screw extruder, by twin screw extruder fully plastify blended after extrude, cooling granulation, obtain low cigarette environmental-friendly fire-retardant PC/PBT alloy of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310595620.XA CN104650553A (en) | 2013-11-25 | 2013-11-25 | Low smoke, environmental protection and flame retardation PC/PBT alloy and preparation method thereof |
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| CN201310595620.XA CN104650553A (en) | 2013-11-25 | 2013-11-25 | Low smoke, environmental protection and flame retardation PC/PBT alloy and preparation method thereof |
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| CN104650553A true CN104650553A (en) | 2015-05-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106519627A (en) * | 2016-05-08 | 2017-03-22 | 宁波泰甬汽车零部件有限公司 | Anti-static PC-PBT blending material and preparation method and use thereof |
| CN109777065A (en) * | 2017-11-15 | 2019-05-21 | 北京旭阳科技有限公司 | A kind of environmental-friendly polycarbonate/polyester composite material and preparation method and purposes |
-
2013
- 2013-11-25 CN CN201310595620.XA patent/CN104650553A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106519627A (en) * | 2016-05-08 | 2017-03-22 | 宁波泰甬汽车零部件有限公司 | Anti-static PC-PBT blending material and preparation method and use thereof |
| CN106519627B (en) * | 2016-05-08 | 2019-05-31 | 宁波泰甬汽车零部件有限公司 | Antistatic PC-PBT intermingling material and its preparation method and application |
| CN109777065A (en) * | 2017-11-15 | 2019-05-21 | 北京旭阳科技有限公司 | A kind of environmental-friendly polycarbonate/polyester composite material and preparation method and purposes |
| CN109777065B (en) * | 2017-11-15 | 2021-07-23 | 北京旭阳科技有限公司 | Environment-friendly polycarbonate/polyester composite material and preparation method and application thereof |
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Application publication date: 20150527 |