CN104693749A - PC/PBT alloy with excellent flame resistance and weather resistance - Google Patents

PC/PBT alloy with excellent flame resistance and weather resistance Download PDF

Info

Publication number
CN104693749A
CN104693749A CN201310660754.5A CN201310660754A CN104693749A CN 104693749 A CN104693749 A CN 104693749A CN 201310660754 A CN201310660754 A CN 201310660754A CN 104693749 A CN104693749 A CN 104693749A
Authority
CN
China
Prior art keywords
pbt
flame
light stabilizer
pbt alloy
compatilizer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310660754.5A
Other languages
Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Tongchuang Energy Saving Environmental Protection Engineering Co Ltd
Original Assignee
Qingdao Tongchuang Energy Saving Environmental Protection Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Tongchuang Energy Saving Environmental Protection Engineering Co Ltd filed Critical Qingdao Tongchuang Energy Saving Environmental Protection Engineering Co Ltd
Priority to CN201310660754.5A priority Critical patent/CN104693749A/en
Publication of CN104693749A publication Critical patent/CN104693749A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/22Halogen free composition
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/08Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • 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 PC/PBT alloy with excellent flame resistance and weather resistance. The PC/PBT alloy is prepared from the following components in percentage by mass: 20%-70% of PC, 20%-70% of PBT, 5%-10% of a flame retardant, 0.1%-1% of nano polytetrafluoroethylene, 1%-3% of a composite light stabilizer, 0.1%-1.5% of triphenyl phosphate, 2%-5% of a compatilizer, 0.1%-0.5% of an antioxidant and 0.1%-1% of a lubricant. The PC/PBT alloy is prepared by adopting a two-step extrusion process and adding auxiliaries such as the flame retardant, the composite light stabilizer, the compatilizer and the like, blending and modifying, has the original excellent performances of PC and PBT, good halogen-free flame-retardant performances and weather resistance, and relatively good mechanical performances, is relatively good in processing mobility, low in cost and has good application prospect and a high practical value in fields of cars, electronics and electrical appliances, mechanical components, building materials and the like.

Description

The PC/PBT alloy of flame-proof weather-resisting excellent property
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of PC/PBT alloy of flame-proof weather-resisting excellent property.
Background technology
PC/PBT alloy (polycarbonate/polybutylene terephthalate) has high thermotolerance, good impact property, processibility and chemical proofing etc., be a kind of engineering plastics that industrial using value is higher, can be widely used in many aspects, especially in automotive industry.But because PC is non-crystalline polymer, and PBT is crystalline polymer, therefore PC/PBT belongs to typically noncrystalline with crystallization co-mixing system, and its interface compatibility is bad, and shock strength is low, and flame retardant resistance is bad, and weathering resistance is poor, and this will limit its application greatly.
Summary of the invention
The object of the present invention is to provide the PC/PBT alloy of the flame-proof weather-resisting excellent property that a kind of comprehensive mechanical property is strong, modified effect is good.
The technical solution adopted for the present invention to solve the technical problems is: the PC/PBT alloy of flame-proof weather-resisting excellent property, and its component by mass percent proportioning is: PC 20% ~ 70%, PBT 20% ~ 70%, fire retardant 5% ~ 10%, nanometer polytetrafluoroethylcomposite 0.1% ~ 1%, composite light stabilizer 1% ~ 3%, triphenyl phosphite 0.1% ~ 1.5%, compatilizer 2% ~ 5%, 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 ~ 40000g/mol.
Described PBT is polybutylene terephthalate.
Described fire retardant is two (diphenyl phosphate) (RDP) of Resorcinol, dihydroxyphenyl propane-bis-(diphenyl phosphate) (BDP), Resorcinol-bis-(2,6-xylyl) phosphoric acid ester (RXP), triphenylphosphate (TPP) and the one in the compound of melamine polyphosphate (MPP).
Described composite light stabilizer is the compound of hindered amine as light stabilizer HS-944 and HS-622 1:1 in mass ratio.
Described compatilizer is styrene-acrylonitrile-methacrylic sour water glyceryl ester (SAG).
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 the PC/PBT alloy of above-mentioned flame-proof weather-resisting excellent property, 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, fire retardant at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by;
(2), by taking dry PC by weight ratio, fire retardant, nanometer polytetrafluoroethylcomposite, composite light stabilizer, 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 PBT 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, get product.
The invention has the beneficial effects as follows, compared with prior art, the present invention adopts two step extrusion moldings and adds the auxiliary agent such as fire retardant, composite light stabilizer, compatilizer and carries out blending and modifying and obtained PC/PBT alloy, while PC, PBT separately original excellent properties, there is good halogen-free flameproof performance and weather resistance, and maintain better mechanical property, its processing fluidity might as well, cost is low, in automobile, electronic apparatus, component of machine, material of construction etc., have good application prospect and practical value.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
A PC/PBT alloy for flame-proof weather-resisting excellent property, its component by mass percent proportioning is: compound 0.2%, the pentaerythritol stearate (PETS) 0.8% of two (diphenyl phosphate) (RDP) 10% of PC 45%, PBT 38%, Resorcinol, nanometer polytetrafluoroethylcomposite 1%, composite light stabilizer 3%, triphenyl phosphite 1.5%, styrene-acrylonitrile-methacrylic sour water glyceryl ester (SAG) 3.5%, 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 ~ 40000g/mol; Described PBT is polybutylene terephthalate; Described composite light stabilizer is the compound of hindered amine as light stabilizer HS-944 and HS-622 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, two (diphenyl phosphate) (RDP) of Resorcinol at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by; (2), by taking dry PC, two (diphenyl phosphate) (RDP) of Resorcinol, nanometer polytetrafluoroethylcomposite, composite light stabilizer, Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168 by weight ratio, the compound of 1:1, pentaerythritol stearate (PETS) add in high-speed mixer in mass ratio, 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 PBT and step (2) is by weight ratio added in high-speed mixer, add the triphenyl phosphite and styrene-acrylonitrile-methacrylic sour water glyceryl ester (SAG) 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, get product.

Claims (5)

1. the PC/PBT alloy of a flame-proof weather-resisting excellent property, it is characterized in that, its component by mass percent proportioning is: PC 20% ~ 70%, PBT 20% ~ 70%, fire retardant 5% ~ 10%, nanometer polytetrafluoroethylcomposite 0.1% ~ 1%, composite light stabilizer 1% ~ 3%, triphenyl phosphite 0.1% ~ 1.5%, compatilizer 2% ~ 5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. the PC/PBT alloy of flame-proof weather-resisting excellent property according to claim 1, it is characterized in that, described fire retardant is two (diphenyl phosphate) (RDP) of Resorcinol, dihydroxyphenyl propane-bis-(diphenyl phosphate) (BDP), Resorcinol-bis-(2,6-xylyl) phosphoric acid ester (RXP), triphenylphosphate (TPP) and the one in the compound of melamine polyphosphate (MPP).
3. the PC/PBT alloy of flame-proof weather-resisting excellent property according to claim 1, is characterized in that, described composite light stabilizer is the compound of hindered amine as light stabilizer HS-944 and HS-622 1:1 in mass ratio.
4. the PC/PBT alloy of flame-proof weather-resisting excellent property according to claim 1, is characterized in that, described compatilizer is styrene-acrylonitrile-methacrylic sour water glyceryl ester (SAG).
5. the preparation method of the PC/PBT alloy of flame-proof weather-resisting excellent property 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, fire retardant at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by;
(2), by taking dry PC by weight ratio, fire retardant, nanometer polytetrafluoroethylcomposite, composite light stabilizer, 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 PBT 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, get product.
CN201310660754.5A 2013-12-10 2013-12-10 PC/PBT alloy with excellent flame resistance and weather resistance Pending CN104693749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310660754.5A CN104693749A (en) 2013-12-10 2013-12-10 PC/PBT alloy with excellent flame resistance and weather resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310660754.5A CN104693749A (en) 2013-12-10 2013-12-10 PC/PBT alloy with excellent flame resistance and weather resistance

Publications (1)

Publication Number Publication Date
CN104693749A true CN104693749A (en) 2015-06-10

Family

ID=53341319

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310660754.5A Pending CN104693749A (en) 2013-12-10 2013-12-10 PC/PBT alloy with excellent flame resistance and weather resistance

Country Status (1)

Country Link
CN (1) CN104693749A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105017748A (en) * 2015-08-18 2015-11-04 郑辉 Halogen-free, flame-retardant and ultra-hard plastic alloy and preparation method thereof
CN108624006A (en) * 2017-03-26 2018-10-09 合肥杰事杰新材料股份有限公司 A kind of high flowing fiberglass reinforced fire retardant PC/PBT alloy materials and preparation method thereof
CN110885545A (en) * 2019-12-17 2020-03-17 东莞市德发塑胶科技有限公司 Weather-resistant flame-retardant PC/PBT alloy and preparation method thereof
CN111073230A (en) * 2019-12-27 2020-04-28 会通新材料股份有限公司 Low-dielectric-constant PC/PBT alloy material and preparation method thereof
CN113321918A (en) * 2021-07-14 2021-08-31 横店集团得邦工程塑料有限公司 High-weather-resistance flame-retardant PC composite material for sterilizing lamp and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105017748A (en) * 2015-08-18 2015-11-04 郑辉 Halogen-free, flame-retardant and ultra-hard plastic alloy and preparation method thereof
CN108624006A (en) * 2017-03-26 2018-10-09 合肥杰事杰新材料股份有限公司 A kind of high flowing fiberglass reinforced fire retardant PC/PBT alloy materials and preparation method thereof
CN110885545A (en) * 2019-12-17 2020-03-17 东莞市德发塑胶科技有限公司 Weather-resistant flame-retardant PC/PBT alloy and preparation method thereof
CN111073230A (en) * 2019-12-27 2020-04-28 会通新材料股份有限公司 Low-dielectric-constant PC/PBT alloy material and preparation method thereof
CN113321918A (en) * 2021-07-14 2021-08-31 横店集团得邦工程塑料有限公司 High-weather-resistance flame-retardant PC composite material for sterilizing lamp and preparation method thereof

Similar Documents

Publication Publication Date Title
CN104693759A (en) Toughening modification PC/PBT flame-retardant alloy
CN104693749A (en) PC/PBT alloy with excellent flame resistance and weather resistance
CN104693745A (en) Antiflaming and antistatic modified PC (polycarbonate)/PBT (polybutylene terephthalate) alloy and preparation method thereof
CN104693760A (en) Blended alloy of polycarbonate and polybutylene terephthalate
CN104448753A (en) PC/ABS blending flame-retardant material
CN104629285A (en) Halogen-free flame-retardant high toughness modified polycarbonate composition
CN114031915A (en) Stable flame-retardant polycarbonate alloy composition and preparation method and application thereof
CN104693748A (en) Flame-retardant modified PC/PBT alloy and preparation method thereof
CN103160101A (en) Halogen-free flame retardant PC material with high fluidity, and preparation method thereof
CN104861622A (en) Flame retardation antistatic polycarbonate/polybutylene telephthalate composition
CN104629308A (en) PC/ABS modified alloy and preparation method thereof
CN104725794A (en) Glass-fiber-reinforced flame-retardant PBT-PET alloy
CN104693714A (en) Flame-retardant modified PC/PET alloy and preparation method thereof
CN104672811A (en) Environment-friendly flame-retardant antistatic reinforced PBT/PET (polybutylene terephthalate/polyethylene terephthalate) composite material
CN104629320A (en) Low-smoke nano flame retardant PC/ABS alloy and preparation method thereof
CN104693756A (en) Toughened, weather-resistant and modified fame-retardant PC/PBT alloy
CN104861617A (en) Flame retardation modified polycarbonate/polyethylene glycol terephthalate
CN104650562A (en) Halogen-free flame-retardant modified PC/PBT alloy and preparation method thereof
CN104672749A (en) Halogen-free flame-retardant PET/ABS alloy material and preparation method thereof
CN104650553A (en) Low smoke, environmental protection and flame retardation PC/PBT alloy and preparation method thereof
CN104693758A (en) Flame-retardant reinforced modified PC/PBT alloy and preparation method thereof
CN104710751A (en) Glass fiber enhanced flame-retardant PC-PET alloy material
CN104693746A (en) Mineral reinforced PC/PBT modified alloy and preparation method thereof
CN104629318A (en) Flame retardant PC/ABS alloy having excellent wear resistance
CN104341739A (en) Flame retardant antistatic PET/ABS (polyethylene terephthalate/acrylonitrile-butadiene-styrene) alloy and preparation method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150610

WD01 Invention patent application deemed withdrawn after publication