CN104629308A - PC/ABS modified alloy and preparation method thereof - Google Patents

PC/ABS modified alloy and preparation method thereof Download PDF

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Publication number
CN104629308A
CN104629308A CN201310545147.4A CN201310545147A CN104629308A CN 104629308 A CN104629308 A CN 104629308A CN 201310545147 A CN201310545147 A CN 201310545147A CN 104629308 A CN104629308 A CN 104629308A
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abs
modified alloy
abs modified
weight ratio
mah
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不公告发明人
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • 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
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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
    • C08L2205/03—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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • 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/ABS modified alloy and a preparation method thereof, and belongs to the technical field of high molecular materials. The PC/ABS modified alloy comprises the components by the mass percentage: 30%-60% of PC, 20%-30% of ABS, 5%-10% of a glass fiber, 5%-10% of a composite flame retardant agent, 0.1%-1% of a flame retardant synergistic agent, 3%-8% of a toughening agent, 1%-3% of a compatilizer, 0.1%-1% of a stabilizer, 0.1%-0.5% of an antioxidant, and 0.5%-1% of a lubricant. The PC/ABS modified alloy has the beneficial effects that while having both PC and ABS advantages, the PC/ABS modified alloy has good mechanical properties, flame retardancy, thermal stability properties and the like, has the advantages of flame retardancy, high efficiency, no halogen, safety, environmental protection, no molten droplet, and reaches a UL94V-0 level.

Description

A kind of PC/ABS modified alloy and preparation method thereof
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of PC/ABS modified alloy and preparation method thereof.
Background technology
PC/ABS alloy (polycarbonate/acrylonitrile-butadiene-phenylethene copolymer) is a kind of important engineering plastics, it has the advantage of PC and ABS concurrently, the melt viscosity of PC can be reduced on the one hand, improve thermotolerance and the tensile strength of ABS on the other hand, minimizing goods internal stress and shock strength, to the susceptibility of products thickness, have excellent thermotolerance and mechanical property.Current ABS/PC alloy is widely used in the field such as automotive industry and electric, household electrical appliances, communication.Along with the expansion of PC/ABS alloy material range of application, PC/ABS alloy is also proposed to the requirement of functionalization, high performance.In order to improve the performance of PC/ABS alloy material, often need add three components in PC/ABS alloy system, as fire retardant, toughener, toughner etc., to play the effect improved PC/ABS alloy property and expand its range of application.
Summary of the invention
The object of the present invention is to provide PC/ABS modified alloy that a kind of mechanical property is good, flame retarding efficiency is high and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of PC/ABS modified alloy, and its component by mass percent proportioning is: PC 30% ~ 60%, ABS 20% ~ 30%, glass fibre 5% ~ 10%, composite flame-retardant agent 5% ~ 10%, fire retarding synergist 0.1% ~ 1%, toughner 3% ~ 8%, compatilizer 1% ~ 3%, stablizer 0.1% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.5% ~ 1%.
Described PC is bisphenol A polycarbonate, and its molecular weight is 20000 ~ 30000.
Described ABS is acrylonitrile-butadiene-styrene copolymer, and its molecular weight is 50000 ~ 150000, and the mass percentage content of its each component is vinyl cyanide 10% ~ 40%, divinyl 5% ~ 30%, vinylbenzene 30% ~ 70%.
Described glass fibre is the alkali free glass fibre of surface through silane coupling agent process.
Described composite flame-retardant agent is by the triphenylphosphate accounting for quality 40wt% (TPP) and a kind of the formed composite flame-retardant agent that accounts in dihydroxyphenyl propane-bis-(diphenyl phosphate) (BDP) of quality 60wt%, two (diphenyl phosphoester) (RDP) of Resorcinol, Resorcinol-bis-(2,6-xylyl) phosphoric acid ester (RXP).
Described fire retarding synergist is the coated polytetrafluoroethylene (PTFE) micro mist of styrene-acrylonitrile copolymer (AS), and the mass percent content of PTFE is 50% ~ 80%.
Described toughner is maleic anhydride graft macromolecular elastomer, comprises the one in POE-g-MAH, EPDM-g-MAH, TPU-g-MAH, SEBS-g-MAH, NBR-g-MAH.
Described compatilizer is ethylene-acrylate-copolymer-maleic anhydride (EMH), and the mass percent content of its maleic anhydride contained is 8% ~ 12%.
Described stablizer is carbodiimide or 2-oxazoline.
Described oxidation inhibitor is one or more in antioxidant 1010, antioxidant 1076, oxidation inhibitor 2921, oxidation inhibitor 245, irgasfos 168.
Described lubricant is the one in calcium stearate, modification ethylene bis stearamide (TAF), pentaerythritol stearate (PETS).
The preparation method of above-mentioned a kind of PC/ABS modified alloy, comprises the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, stand-by;
(2), add in high-speed mixer by taking dry ABS by weight ratio, then the composite flame-retardant agent, fire retarding synergist, stablizer, oxidation inhibitor, the lubricant that take by weight ratio is added, after making to stir together 5 ~ 15 minutes and reaching and mix, discharging add carry out melt blending in twin screw extruder after extrude, 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, then the toughner and compatilizer that take by weight ratio is added, after to make to stir together 3 ~ 10 minutes all mixed, discharging adds the main spout of twin screw extruder, add from the side spout of twin screw extruder the glass fibre that will take by weight ratio simultaneously, controlled working temperature is at 230 DEG C ~ 260 DEG C, screw speed 150 ~ 350r/min, by extruding after twin screw extruder melt blending, cooling granulation, obtain a kind of PC/ABS modified alloy of the present invention.
The invention has the beneficial effects as follows, a kind of PC/ABS modified alloy of the present invention, while both PC, ABS advantage, there are good mechanical property, flame retardant properties and thermal stability etc., and fire-retardant efficient, Halogen, safety, environmental protection, without molten drop with reach UL94 V-0 grade.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
A kind of PC/ABS modified alloy, its component by mass percent proportioning is: PC 50%, ABS 21%, glass fibre 10%, composite flame-retardant agent 8%, fire retarding synergist 0.5%, POE-g-MAH 6%, compatilizer 3%, carbodiimide 0.5%, antioxidant 1010 0.2%, modification ethylene bis stearamide (TAF) 0.8%.Wherein, described PC is bisphenol A polycarbonate, and its molecular weight is 20000 ~ 30000; Described ABS is acrylonitrile-butadiene-styrene copolymer, and its molecular weight is 50000 ~ 150000, and the mass percentage content of its each component is vinyl cyanide 10% ~ 40%, divinyl 5% ~ 30%, vinylbenzene 30% ~ 70%; Described glass fibre is the alkali free glass fibre of surface through silane coupling agent process; The composite flame-retardant agent that described composite flame-retardant agent is made up of the triphenylphosphate (TPP) accounting for quality 40wt% and dihydroxyphenyl propane-bis-(diphenyl phosphate) (BDP) that account for quality 60wt%; Described fire retarding synergist is the coated polytetrafluoroethylene (PTFE) micro mist of styrene-acrylonitrile copolymer (AS), and the mass percent content of PTFE is 50% ~ 80%; Described compatilizer is ethylene-acrylate-copolymer-maleic anhydride (EMH), and the mass percent content of its maleic anhydride contained is 8% ~ 12%.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, stand-by, (2), add in high-speed mixer by taking dry ABS by weight ratio, then the composite flame-retardant agent, fire retarding synergist, carbodiimide, antioxidant 1010, the modification ethylene bis stearamide (TAF) that take by weight ratio is added, after making to stir together 5 ~ 15 minutes and reaching and mix, discharging add carry out melt blending in twin screw extruder after extrude, 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, then the POE-g-MAH and compatilizer that take by weight ratio is added, after to make to stir together 3 ~ 10 minutes all mixed, discharging adds the main spout of twin screw extruder, add from the side spout of twin screw extruder the glass fibre that will take by weight ratio simultaneously, controlled working temperature is at 230 DEG C ~ 260 DEG C, screw speed 150 ~ 350r/min, by extruding after twin screw extruder melt blending, cooling granulation, obtain a kind of PC/ABS modified alloy of the present invention.

Claims (6)

1. a PC/ABS modified alloy, it is characterized in that, its component by mass percent proportioning is: PC 30% ~ 60%, ABS 20% ~ 30%, glass fibre 5% ~ 10%, composite flame-retardant agent 5% ~ 10%, fire retarding synergist 0.1% ~ 1%, toughner 3% ~ 8%, compatilizer 1% ~ 3%, stablizer 0.1% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.5% ~ 1%.
2. a kind of PC/ABS modified alloy according to claim 1, it is characterized in that, described composite flame-retardant agent is by the triphenylphosphate accounting for quality 40wt% (TPP) and a kind of the formed composite flame-retardant agent that accounts in dihydroxyphenyl propane-bis-(diphenyl phosphate) (BDP) of quality 60wt%, two (diphenyl phosphoester) (RDP) of Resorcinol, Resorcinol-bis-(2,6-xylyl) phosphoric acid ester (RXP).
3. a kind of PC/ABS modified alloy according to claim 1, is characterized in that, described fire retarding synergist is the coated polytetrafluoroethylene (PTFE) micro mist of styrene-acrylonitrile copolymer (AS), and the mass percent content of PTFE is 50% ~ 80%.
4. a kind of PC/ABS modified alloy according to claim 1, it is characterized in that, described toughner is maleic anhydride graft macromolecular elastomer, comprises the one in POE-g-MAH, EPDM-g-MAH, TPU-g-MAH, SEBS-g-MAH, NBR-g-MAH.
5. a kind of PC/ABS modified alloy according to claim 1, is characterized in that, described compatilizer is ethylene-acrylate-copolymer-maleic anhydride (EMH), and the mass percent content of its maleic anhydride contained is 8% ~ 12%.
6. the preparation method of a kind of PC/ABS modified 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, ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, stand-by;
(2), add in high-speed mixer by taking dry ABS by weight ratio, then the composite flame-retardant agent, fire retarding synergist, stablizer, oxidation inhibitor, the lubricant that take by weight ratio is added, after making to stir together 5 ~ 15 minutes and reaching and mix, discharging add carry out melt blending in twin screw extruder after extrude, 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, then the toughner and compatilizer that take by weight ratio is added, after to make to stir together 3 ~ 10 minutes all mixed, discharging adds the main spout of twin screw extruder, add from the side spout of twin screw extruder the glass fibre that will take by weight ratio simultaneously, controlled working temperature is at 230 DEG C ~ 260 DEG C, screw speed 150 ~ 350r/min, by extruding after twin screw extruder melt blending, cooling granulation, obtain a kind of PC/ABS modified alloy of the present invention.
CN201310545147.4A 2013-11-07 2013-11-07 PC/ABS modified alloy and preparation method thereof Pending CN104629308A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106221171A (en) * 2016-08-18 2016-12-14 江苏金发科技新材料有限公司 High-weatherability fire retardation PC/ABS composite material and preparation method thereof
CN108641331A (en) * 2018-05-29 2018-10-12 芜湖创科新材料科技有限公司 A kind of lower shrinkage, high thermal stability anti-impact PC-ABS composite material and preparation methods
CN109749392A (en) * 2018-12-27 2019-05-14 会通新材料股份有限公司 A kind of low warpage high fire-retardance low temperature resistant PC/ABS+GF material and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106221171A (en) * 2016-08-18 2016-12-14 江苏金发科技新材料有限公司 High-weatherability fire retardation PC/ABS composite material and preparation method thereof
CN108641331A (en) * 2018-05-29 2018-10-12 芜湖创科新材料科技有限公司 A kind of lower shrinkage, high thermal stability anti-impact PC-ABS composite material and preparation methods
CN109749392A (en) * 2018-12-27 2019-05-14 会通新材料股份有限公司 A kind of low warpage high fire-retardance low temperature resistant PC/ABS+GF material and preparation method thereof

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Application publication date: 20150520