CN104725823A - Low-temperature-resistant flame-retardant PC (polycarbonate) composite material and preparation method thereof - Google Patents

Low-temperature-resistant flame-retardant PC (polycarbonate) composite material and preparation method thereof Download PDF

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Publication number
CN104725823A
CN104725823A CN201310721232.1A CN201310721232A CN104725823A CN 104725823 A CN104725823 A CN 104725823A CN 201310721232 A CN201310721232 A CN 201310721232A CN 104725823 A CN104725823 A CN 104725823A
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CN
China
Prior art keywords
low temperature
temperature resistant
retardant
matrix material
flame retardant
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Pending
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CN201310721232.1A
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Chinese (zh)
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不公告发明人
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Qingdao Wanli Technology Co Ltd
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Qingdao Wanli Technology Co Ltd
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Priority to CN201310721232.1A priority Critical patent/CN104725823A/en
Publication of CN104725823A publication Critical patent/CN104725823A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • 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
    • 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
    • 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
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • 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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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a low-temperature-resistant flame-retardant PC (polycarbonate) composite material and a preparation method thereof. The low-temperature-resistant flame-retardant PC composite material is composed of the following components in percentage by mass: 70-85% of PC resin, 5-10% of polyolefin elastomer graft, 2-5% of low temperature resistance modifier, 5-10% of composite flame retardant, 1-3% of stabilizer, 0.1-0.5% of antioxidant and 0.1-1.5% of dispersing agent. Compared with the prior art, the PC composite material disclosed by the invention has the advantages of excellent low-temperature impact toughness, excellent flame retardancy, higher PC notch sensitivity, higher chemical resistance, higher boiling water resistance and the like. The flame retardancy can satisfy the requirements of Grade UL94V-0, no halogen and environmental protection. The PC composite material can be widely used in the fields of automobiles, electronic and electric appliances, illumination, physical equipment and the like. The production technique disclosed by the invention is simple, and has wide application and industrialization prospects.

Description

Low temperature resistant flame retardant PC matrix material and preparation method thereof
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of low temperature resistant flame retardant PC matrix material and preparation method thereof.
Background technology
Polycarbonate (PC), as excellent combination property, purposes important engineering plastics kind very widely, is widely used in automobile, electric, material of construction, mechanical component, business automation equipment, packing business, sports equipment, medical treatment, health care, the field such as CD and household supplies.But also there are some defects in PC, as: processing characteristics is poor, easy stress cracking, notch shock and low-temperature flexibility poor, wear no resistance, flame retardant resistance is not good enough, thus limits its range of application.By can reach the object of improving SNR, expansive approach scope to PC blending and modifying.
Summary of the invention
The object of the present invention is to provide a kind of low temperature resistant flame retardant PC matrix material and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: low temperature resistant flame retardant PC matrix material, and its component by mass percent proportioning is: PC resin 70% ~ 85%, polyolefin elastomer grafts 5% ~ 10%, low temperature resistant properties-correcting agent 2% ~ 5%, composite flame-retardant agent 5% ~ 10%, stablizer 1% ~ 3%, oxidation inhibitor 0.1% ~ 0.5%, dispersion agent 0.1% ~ 1.5%.
Described PC resin is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 35000g/mol.
Described polyolefin elastomer grafts is a kind of monomer in polyolefin elastomer (POE) grafted maleic anhydride (MAH), glycidyl methacrylate (GMA), vinylformic acid (AA), methyl acrylate (MA) or many monomers, and its grafts can be selected from the one in POE-g-MAH, POE-g-GMA, POE-g-AA, POE-g-MA.
Described low temperature resistant properties-correcting agent is the one in polysiloxane copolymer, organo-siloxane, phenmethyl silicone.
Described composite flame-retardant agent is the polydimethylsiloxane fire retardant (PDMS) of mass ratio 1:3 and the compound of dihydroxyphenyl propane-bis-(diphenyl phosphoester) fire retardant (BDP).
Described stablizer is the hindered amine as light stabilizer GW-944Z of mass ratio 1:1 and the compound of hindered amine as light stabilizer GW-622.
Described oxidation inhibitor is the Hinered phenols antioxidant 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
Described dispersion agent is pentaerythritol stearate (PETS).
The preparation method of above-mentioned low temperature resistant flame retardant PC matrix material is: take dry PC resin and other each component by weight ratio, add in high-speed mixer, together and stir 5 ~ 30 minutes, after making fully to mix, discharging adds in twin screw extruder, extrude through melting mixing at 220 DEG C ~ 265 DEG C, cooling granulation, obtain low temperature resistant flame retardant PC matrix material of the present invention.
The invention has the beneficial effects as follows, compared with prior art, PC matrix material prepared by the present invention has excellent low temperature impact toughness and flame retardant resistance, and improve PC notch sensitivity, chemical-resistant resistance and resistance to boiling water energy etc., its flame retardant properties can reach UL94 V-0 grade and Halogen, environmental requirement, can be widely used in the fields such as automobile, electronic apparatus, illumination, sports apparatus.Production technique provided by the invention is simple and have wide application and industrial prospect.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of low temperature resistant flame retardant PC matrix material, its component by mass percent proportioning is: PC resin 80%, POE-g-MAH 8%, polysiloxane copolymer 4%, composite flame-retardant agent 5%, stablizer 2%, oxidation inhibitor 0.2%, pentaerythritol stearate (PETS) 0.8%.Wherein, described PC resin is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 35000g/mol; Described composite flame-retardant agent is the polydimethylsiloxane fire retardant (PDMS) of mass ratio 1:3 and the compound of dihydroxyphenyl propane-bis-(diphenyl phosphoester) fire retardant (BDP); Described stablizer is the hindered amine as light stabilizer GW-944Z of mass ratio 1:1 and the compound of hindered amine as light stabilizer GW-622; Described oxidation inhibitor is the Hinered phenols antioxidant 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
Preparation method: take dry PC resin and other each component by weight ratio, add in high-speed mixer, together and stir 5 ~ 30 minutes, after making fully to mix, discharging adds in twin screw extruder, extrude through melting mixing at 220 DEG C ~ 265 DEG C, cooling granulation, obtain low temperature resistant flame retardant PC matrix material of the present invention.
Embodiment 2:
A kind of low temperature resistant flame retardant PC matrix material, its component by mass percent proportioning is: PC resin 74%, POE-g-GMA 10%, phenmethyl silicone 3%, composite flame-retardant agent 10%, stablizer 1.5%, oxidation inhibitor 0.3%, pentaerythritol stearate (PETS) 1.2%.Wherein, described PC resin is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 35000g/mol; Described composite flame-retardant agent is the polydimethylsiloxane fire retardant (PDMS) of mass ratio 1:3 and the compound of dihydroxyphenyl propane-bis-(diphenyl phosphoester) fire retardant (BDP); Described stablizer is the hindered amine as light stabilizer GW-944Z of mass ratio 1:1 and the compound of hindered amine as light stabilizer GW-622; Described oxidation inhibitor is the Hinered phenols antioxidant 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
Preparation method: take dry PC resin and other each component by weight ratio, add in high-speed mixer, together and stir 5 ~ 30 minutes, after making fully to mix, discharging adds in twin screw extruder, extrude through melting mixing at 220 DEG C ~ 265 DEG C, cooling granulation, obtain low temperature resistant flame retardant PC matrix material of the present invention.

Claims (8)

1. a low temperature resistant flame retardant PC matrix material, it is characterized in that, its component by mass percent proportioning is: PC resin 70% ~ 85%, polyolefin elastomer grafts 5% ~ 10%, low temperature resistant properties-correcting agent 2% ~ 5%, composite flame-retardant agent 5% ~ 10%, stablizer 1% ~ 3%, oxidation inhibitor 0.1% ~ 0.5%, dispersion agent 0.1% ~ 1.5%.
2. low temperature resistant flame retardant PC matrix material according to claim 1, it is characterized in that, described polyolefin elastomer grafts is a kind of monomer in polyolefin elastomer (POE) grafted maleic anhydride (MAH), glycidyl methacrylate (GMA), vinylformic acid (AA), methyl acrylate (MA) or many monomers, and its grafts can be selected from the one in POE-g-MAH, POE-g-GMA, POE-g-AA, POE-g-MA.
3. low temperature resistant flame retardant PC matrix material according to claim 1, is characterized in that, described low temperature resistant properties-correcting agent is the one in polysiloxane copolymer, organo-siloxane, phenmethyl silicone.
4. low temperature resistant flame retardant PC matrix material according to claim 1, it is characterized in that, described composite flame-retardant agent is the polydimethylsiloxane fire retardant (PDMS) of mass ratio 1:3 and the compound of dihydroxyphenyl propane-bis-(diphenyl phosphoester) fire retardant (BDP).
5. low temperature resistant flame retardant PC matrix material according to claim 1, is characterized in that, described stablizer is the hindered amine as light stabilizer GW-944Z of mass ratio 1:1 and the compound of hindered amine as light stabilizer GW-622.
6. low temperature resistant flame retardant PC matrix material according to claim 1, is characterized in that, described oxidation inhibitor is the Hinered phenols antioxidant 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
7. low temperature resistant flame retardant PC matrix material according to claim 1, is characterized in that, described dispersion agent is pentaerythritol stearate (PETS).
8. the preparation method of low temperature resistant flame retardant PC matrix material according to claim 1, it is characterized in that, comprise the following steps: take dry PC resin and other each component by weight ratio, add in high-speed mixer, together and stir 5 ~ 30 minutes, after making fully to mix, discharging adds in twin screw extruder, extrudes, cooling granulation at 220 DEG C ~ 265 DEG C through melting mixing, obtains low temperature resistant flame retardant PC matrix material of the present invention.
CN201310721232.1A 2013-12-24 2013-12-24 Low-temperature-resistant flame-retardant PC (polycarbonate) composite material and preparation method thereof Pending CN104725823A (en)

Priority Applications (1)

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CN201310721232.1A CN104725823A (en) 2013-12-24 2013-12-24 Low-temperature-resistant flame-retardant PC (polycarbonate) composite material and preparation method thereof

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106496993A (en) * 2016-10-26 2017-03-15 东莞市宝化塑胶原料有限公司 The factory formula of the high cold-resistant polycarbonate masterbatch of high fluidity and technique
CN106566126A (en) * 2016-10-31 2017-04-19 无锡市永兴金属软管有限公司 Low-temperature-resistant PVC corrugated pipe
CN107400293A (en) * 2017-08-25 2017-11-28 佛山市彩贵新型材料有限公司 The preparation method of low temperature resistant flame retardant composite
CN107513216A (en) * 2017-08-25 2017-12-26 佛山市彩贵新型材料有限公司 A kind of low temperature resistant flame retardant composite

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106496993A (en) * 2016-10-26 2017-03-15 东莞市宝化塑胶原料有限公司 The factory formula of the high cold-resistant polycarbonate masterbatch of high fluidity and technique
CN106566126A (en) * 2016-10-31 2017-04-19 无锡市永兴金属软管有限公司 Low-temperature-resistant PVC corrugated pipe
CN107400293A (en) * 2017-08-25 2017-11-28 佛山市彩贵新型材料有限公司 The preparation method of low temperature resistant flame retardant composite
CN107513216A (en) * 2017-08-25 2017-12-26 佛山市彩贵新型材料有限公司 A kind of low temperature resistant flame retardant composite

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Application publication date: 20150624

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