CN104845308A - Flame-retardant and modified PC/PBT alloy material - Google Patents
Flame-retardant and modified PC/PBT alloy material Download PDFInfo
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- CN104845308A CN104845308A CN201410662051.0A CN201410662051A CN104845308A CN 104845308 A CN104845308 A CN 104845308A CN 201410662051 A CN201410662051 A CN 201410662051A CN 104845308 A CN104845308 A CN 104845308A
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/22—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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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)
- Fireproofing Substances (AREA)
Abstract
The present invention discloses a flame-retardant and modified PC/PBT alloy material, which comprises, by mass, 50-70% of PC, 20-30% of PBT, 2-6% of SMA, 5-10% of a trimeric cyanurate flame-retardant agent, 3-5% of polydimethylsiloxane, 1-4% of a low smoking accelerator, 0.1-0.5% of triphenyl phosphite, 0.1-0.5% of an antioxidant, and 0.1-1% of PETS, wherein the low smoking accelerator is one selected from nanometer silica, nanometer zinc oxide, nanometer titanium dioxide, and nanometer aluminum oxide. The flame-retardant and modified PC/PBT alloy material of the present invention has beneficial effects of advantages of PC and PBT, and good flame retardant effect, wherein the flame retardant performance meets the low-smoke, halogen-free, and UL94V-0 grade regulation and can meet the requirements.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of flame-retardant modified PC/PBT alloy material.
Background technology
PC/PBT(polycarbonate/butylene terephthalate) alloy material has the excellent properties of high thermotolerance, good impact property and chemical proofing etc., at present in a lot of fields in be widely applied, but, the PC/PBT of non-modified is the same with other high molecule alloy material, still there is the problem of poor fire, this will limit its application in each field greatly.
Summary of the invention
The object of the present invention is to provide a kind of low cigarette, environmental protection and flame-retardant modified PC/PBT alloy material with low cost.
The technical solution adopted for the present invention to solve the technical problems is: a kind of flame-retardant modified PC/PBT alloy material, and its component by mass percent proportioning is: PC 50% ~ 70%, PBT 20% ~ 30%, SMA 2% ~ 6%, trimerization cyanurate flame retardant 5% ~ 10%, polydimethylsiloxane 3% ~ 5%, low promotor 1% ~ 4% of being fuming, triphenyl phosphite 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, PETS 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 SMA is compatilizer styrene-grafted copolymer-maleic anhydride.
Described low promotor of being fuming is the one in nano silicon, nano zine oxide, nano titanium oxide, nano-aluminium oxide.
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 PETS is lubricant pentaerythritol stearate.
The preparation method of above-mentioned a kind of flame-retardant modified PC/PBT alloy material, 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), add in high-speed mixer by taking dry PBT by weight ratio, add trimerization cyanurate flame retardant, polydimethylsiloxane, low promotor of being fuming, oxidation inhibitor, PETS by weight ratio respectively simultaneously, make to stir together 3 ~ 15 minutes all mixed, then 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 SMA and triphenyl phosphite 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 the flame-retardant modified PC/PBT alloy material of one of the present invention.
The invention has the beneficial effects as follows, the present invention is with the respective advantage of PC and PBT, and good flame retardation effect, and its flame retardant properties meets the regulation of low cigarette, Halogen, UL94 V-0 level, can meet the needs of the parties concerned.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Embodiment 1:
A kind of flame-retardant modified PC/PBT alloy material, its component by mass percent proportioning is: PC 56%, PBT 20%, SMA 6%, trimerization cyanurate flame retardant 10%, polydimethylsiloxane 5%, nano silicon 2%, triphenyl phosphite 0.2%, oxidation inhibitor 0.2%, PETS 0.6%, the weight-average molecular weight of described PC is 20000 ~ 30000g/mol, the intrinsic viscosity of described PBT is 0.8 ~ 1.2dL/g, and described oxidation inhibitor is Hinered phenols antioxidant 1010 and the compound of phosphite ester kind antioxidant 168 1:1 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, stand-by; (2), add in high-speed mixer by taking dry PBT by weight ratio, add trimerization cyanurate flame retardant, polydimethylsiloxane, nano silicon, oxidation inhibitor, PETS respectively by weight ratio simultaneously, make to stir together 3 ~ 15 minutes all mixed, then 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 SMA and triphenyl phosphite 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 the flame-retardant modified PC/PBT alloy material of one of the present invention.
Embodiment 2:
A kind of flame-retardant modified PC/PBT alloy material, its component by mass percent proportioning is: PC 64%, PBT 20%, SMA 4%, trimerization cyanurate flame retardant 5%, polydimethylsiloxane 3%, nano-aluminium oxide 2%, triphenyl phosphite 0.5%, oxidation inhibitor 0.5%, PETS 1%, the weight-average molecular weight of described PC is 20000 ~ 30000g/mol, the intrinsic viscosity of described PBT is 0.8 ~ 1.2dL/g, and described oxidation inhibitor is Hinered phenols antioxidant 1076 and the compound of phosphite ester kind antioxidant 168 1:1 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, stand-by; (2), add in high-speed mixer by taking dry PBT by weight ratio, add trimerization cyanurate flame retardant, polydimethylsiloxane, nano-aluminium oxide, oxidation inhibitor, PETS respectively by weight ratio simultaneously, make to stir together 3 ~ 15 minutes all mixed, then 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 SMA and triphenyl phosphite 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 the flame-retardant modified PC/PBT alloy material of one of the present invention.
Claims (4)
1. a flame-retardant modified PC/PBT alloy material, it is characterized in that, its component by mass percent proportioning is: PC 50% ~ 70%, PBT 20% ~ 30%, SMA 2% ~ 6%, trimerization cyanurate flame retardant 5% ~ 10%, polydimethylsiloxane 3% ~ 5%, low promotor 1% ~ 4% of being fuming, triphenyl phosphite 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, PETS 0.1% ~ 1%.
2. the flame-retardant modified PC/PBT alloy material of one according to claim 1, is characterized in that, described low promotor of being fuming is the one in nano silicon, nano zine oxide, nano titanium oxide, nano-aluminium oxide.
3. the flame-retardant modified PC/PBT alloy material of one according to claim 1, is characterized in that, described oxidation inhibitor is the compound of Hinered phenols antioxidant 1010 or 1076 and phosphite ester kind antioxidant 168 1:1 in mass ratio.
4. the preparation method of a kind of flame-retardant modified PC/PBT alloy material 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), add in high-speed mixer by taking dry PBT by weight ratio, add trimerization cyanurate flame retardant, polydimethylsiloxane, low promotor of being fuming, oxidation inhibitor, PETS by weight ratio respectively simultaneously, make to stir together 3 ~ 15 minutes all mixed, then 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 SMA and triphenyl phosphite 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 the flame-retardant modified PC/PBT alloy material of one of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410662051.0A CN104845308A (en) | 2014-11-19 | 2014-11-19 | Flame-retardant and modified PC/PBT alloy material |
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| CN201410662051.0A CN104845308A (en) | 2014-11-19 | 2014-11-19 | Flame-retardant and modified PC/PBT alloy material |
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| CN104845308A true CN104845308A (en) | 2015-08-19 |
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| CN201410662051.0A Pending CN104845308A (en) | 2014-11-19 | 2014-11-19 | Flame-retardant and modified PC/PBT alloy material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860545A (en) * | 2016-06-13 | 2016-08-17 | 上海锦湖日丽塑料有限公司 | Silicon-containing polycarbonate and preparation method thereof |
-
2014
- 2014-11-19 CN CN201410662051.0A patent/CN104845308A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860545A (en) * | 2016-06-13 | 2016-08-17 | 上海锦湖日丽塑料有限公司 | Silicon-containing polycarbonate and preparation method thereof |
| CN105860545B (en) * | 2016-06-13 | 2019-05-10 | 上海锦湖日丽塑料有限公司 | Siliceous polycarbonate and preparation method thereof |
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Application publication date: 20150819 |
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