CN103044874B - Low-luster polycarbonate/styren-based resin composition and preparation method thereof - Google Patents
Low-luster polycarbonate/styren-based resin composition and preparation method thereof Download PDFInfo
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- CN103044874B CN103044874B CN201110311557.3A CN201110311557A CN103044874B CN 103044874 B CN103044874 B CN 103044874B CN 201110311557 A CN201110311557 A CN 201110311557A CN 103044874 B CN103044874 B CN 103044874B
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- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
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- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- 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
-
- 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
- B29C2948/9259—Angular velocity
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- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
Abstract
The invention discloses a kind of low-luster polycarbonate/styren-based resin composition, be made up of the component comprising following parts by weight: polycarbonate 100-900 part; Styrene base resin 100-800 part; Toughner 30-80 part; Matting agent 20-100 part; Anti-oxidant auxiliary agent 3-10 part; Processing aid 2-5 part.The present invention uses matting agent, low price, is easy to obtain, and reduces glossiness Be very effective.The polycarbonate that the present invention prepares/styren-based resin composition stable mechanical performance, compare before not improving glossiness, composition properties keeps quite, and its tensile strength, flexural strength, modulus in flexure also increase, and have good result of use.The present invention adopts twin screw extrusion process to prepare, and adopts side forced feeding in production process, and matting agent can be made better to disperse, thus makes product have excellent low-luster, is particularly suitable for as parts such as automotive interior gadgets.
Description
Technical field
The present invention relates to technical field of polymer materials, particularly relate to a kind of low-luster polycarbonate/styren-based resin composition and preparation method thereof.
Background technology
Along with present society gets on the car more and more universal, the comfortableness of automobile and security also more and more receive the concern of people.The material of automotive upholstery generally has the requirement of dumb light, because the inside gadget of dumb light can reduce the eye strain of officer.In present automotive upholstery, many parts have used polycarbonate/styren-based resin composition, and the glossiness of traditional polycarbonate/styren-based resin composition is very good, often be used as on parts as gorgeous in display outer frame, the contour light of sports equipment, when therefore traditional polycarbonate/styrene base resin material being used for automotive upholstery, modal way is, dermatoglyph process is carried out on the surface of inside gadget, overcomes the high glossiness phenomenon of material with this.Even if but dermatoglyph process has been carried out on surface, the glossiness of material has still been difficult to eliminate.For overcoming this shortcoming, many research staff are dynamic in many ways, strive making polycarbonate/styren-based resin composition have low-luster, disclosed in GE company, application number is add in polycarbonate compositions by one containing nitrile gel copolymer object in the Chinese patent of 94109193.7, obtain obvious low gloss effect, but this kind of gel synthesis technique is comparatively complicated, and price is more expensive, can not well by universal use.
Summary of the invention
The present invention provides a kind of low-luster polycarbonate/styren-based resin composition and preparation method thereof to solve above-mentioned prior art Problems existing exactly.
Object of the present invention is achieved through the following technical solutions:
A kind of low-luster polycarbonate/styren-based resin composition, be made up of the component comprising following parts by weight:
Polycarbonate 100-900 part;
Styrene base resin 100-800 part;
Toughner 30-80 part;
Matting agent 20-100 part;
Anti-oxidant auxiliary agent 3-10 part;
Processing aid 2-5 part.
Preferably, described polycarbonate is bisphenol A polycarbonate, is obtained by dihydroxyphenyl propane and phosgene condensation.
Preferably, described styrene base resin is selected from the mixture of one or more in acrylonitrile-butadiene-phenylethene grafted copolymer (ABS), acrylonitritrile-styrene resin (SAN), acrylonitrile-styrene-acrylic terpolymer (ASA).
Preferably, described toughner is selected from the mixture of one or more in Acrylic impact modifier, alkadiene rubber impact modifiers, maleic anhydride graft acrylonitrile-butadiene-phenylethene grafted copolymer, maleic anhydride and cinnamic multipolymer, styrene-butadiene-styrene block copolymer, acryl-butadiene-styrol copolymer.
Preferably, described matting agent is inorganic mineral, is selected from one or more in magnalium mineral substance, silicate mineral, siulica-alumina mineral matter, the mineral substance that described mineral substance preferable particle size order number is greater than 3000.
Preferably, described matting agent is selected from one or more in talcum powder, mica, kaolin.
Preferably, described anti-oxidant auxiliary agent comprises main anti-oxidant auxiliary agent and auxiliary anti-oxidant auxiliary agent, main anti-oxidant auxiliary agent is selected from one or more in alkylation list phenol, alkylation polyphenol, and auxiliary anti-oxidant auxiliary agent is selected from one or more in diphenyl phosphite, triphenyl phosphite, sterically hindered phenol or hydroxybenzotriazole.
Preferably, described anti-oxidant auxiliary agent is antioxidant 1076, irgasfos 168 or its mixture.
Preferably, described processing aid is selected from one or more in lubricant, coupling agent, processing and lubrication auxiliary agent; Described lubricant is selected from one or more in soap, fatty acid amide; Described coupling agent is selected from one or more in silane coupling agent, titanate coupling agent, aluminate coupling agent; Described processing and lubrication auxiliary agent is selected from one or more in solid paraffin, whiteruss, low molecular weight polyethylene, calcium stearate, Zinic stearas, stearic amide, pentaerythritol stearate, ethylene bis stearic acid amide and N, N-ethylene bis stearic acid amide (EBS).
A preparation method for low-luster polycarbonate/styren-based resin composition, comprises the following steps:
(1) raw material is taken according to following component and parts by weight: polycarbonate 100-900 part; Styrene base resin 100-800 part; Toughner 30-80 part; Matting agent 20-100 part; Anti-oxidant auxiliary agent 3-10 part; Processing aid 2-5 part;
(2) polycarbonate taken in step (1), styrene base resin, toughner, anti-oxidant auxiliary agent, processing aid are put into high-speed mixer and fully mixed;
(3) with delicate metering material conveying device, the material mixed is sent in twin screw extruder, shearing action abundance through screw rod is mixing, at forcing machine melt zone, by side forced feeding equipment, matting agent is joined in forcing machine, the blend of melting through extruding, tie rod, cooling, pelletizing, be packaged into finished product; Wherein the length-to-diameter ratio of twin screw extruder is 40-44, and screw speed is 150-600 rev/min.
Preferably, in described step (2), the rotating speed of high mixer is 100-150 rev/min, and mixing time is 1-3 minute; In described step (3), adopt vacuum exhaust during twin screw extruder batch mixing, screw speed is 300-500 rev/min.
Compared with prior art, the present invention has following beneficial effect:
The present invention uses matting agent, low price, is easy to obtain, and reduces glossiness Be very effective.The polycarbonate that the present invention prepares/styren-based resin composition stable mechanical performance, compare before not improving glossiness, composition properties keeps quite, and its tensile strength, flexural strength, modulus in flexure also increase, and have good result of use.The present invention adopts twin screw extrusion process to prepare, side forced feeding is adopted in production process, matting agent can be made better to disperse, thus make product have excellent low-luster, possessing the mechanical property of polycarbonate/styren-based resin composition simultaneously, there is lower glossiness, be particularly suitable for as parts such as automotive interior gadgets.
Embodiment
The present invention is described in detail below in conjunction with each embodiment.
Polycarbonate is for going out photochemical 2200; Styrene base resin is Jin Hu company acrylonitrile-butadiene-phenylethylene multipolymer 750; Toughner is Jie Shijie company ABS-G; Matting agent is the particle diameter 5000 object talcum powder HTP1 of Ai Hai company; Antioxidative stabilizer is primary antioxidant Irganox1076 and the auxiliary antioxidant Irganox168 of CIBA; Processing aid is EBS.
Comparative example 1
Do not add the operation of matting agent in this comparison example, contrast for the embodiment of adding matting agent.
(1) polycarbonate 400 parts (weight part, lower same), acrylonitrile-butadiene-phenylethylene multipolymer 510 parts, toughner 80 parts, processing aid EBS5 part is taken, main anti-oxidant auxiliary agent 2 parts and auxiliary antioxidant 3 parts.
(2) polycarbonate taken in the first step, acrylonitrile-butadiene-phenylethylene multipolymer, processing aid, toughner, anti-oxidant auxiliary agent are put into together the high-speed mixer fully mixing 3 minutes that rotating speed is 150 revs/min.
(3) with delicate metering material conveying device, mixed for second step material is sent in twin screw extruder, through the shearing action of screw rod, sufficient mixing, wherein the length-to-diameter ratio of twin screw extruder is 40, and screw speed is at 300 revs/min, twin screw extruder working temperature interval for feed opening temperature be 220 DEG C, metering zone temperature is 230 DEG C, and melt zone temperature is 240 DEG C, and head temperature is 245 DEG C, the blend of melting is through extruding, tie rod, cooling, pelletizing, is packaged into finished product.
Comparative example 2
Do not add the operation of matting agent in this comparison example, contrast for the embodiment of adding matting agent.
(1) polycarbonate 700 parts, acrylonitrile-butadiene-phenylethylene multipolymer 240 parts, toughner 50 parts, processing aid EBS5 part is taken, main anti-oxidant auxiliary agent 2 parts and auxiliary antioxidant 3 parts.
(2) polycarbonate taken in the first step, acrylonitrile-butadiene-phenylethylene multipolymer, processing aid, toughner, anti-oxidant auxiliary agent are put into together the high-speed mixer fully mixing 3 minutes that rotating speed is 150 revs/min.
(3) with delicate metering material conveying device, mixed for second step material is sent in twin screw extruder, through the shearing action of screw rod, sufficient mixing, wherein the length-to-diameter ratio of twin screw extruder is 40, and screw speed is at 300 revs/min, twin screw extruder working temperature interval for feed opening temperature be 220 DEG C, metering zone temperature is 230 DEG C, and melt zone temperature is 245 DEG C, and head temperature is 255 DEG C, the blend of melting is through extruding, tie rod, cooling, pelletizing, is packaged into finished product.
Embodiment 1
(1) polycarbonate 400 parts, acrylonitrile-butadiene-phenylethylene multipolymer 510 parts, toughner 80 parts, processing aid EBS5 part is taken, main anti-oxidant auxiliary agent 2 parts and auxiliary antioxidant 3 parts.
(2) polycarbonate taken in the first step, acrylonitrile-butadiene-phenylethylene multipolymer, processing aid, toughner, anti-oxidant auxiliary agent are put into together the high-speed mixer fully mixing 3 minutes that rotating speed is 150 revs/min.
(3) with delicate metering material conveying device, mixed for second step material is sent in twin screw extruder, through the shearing action of screw rod, sufficient mixing, wherein the length-to-diameter ratio of twin screw extruder is 40, and screw speed is at 300 revs/min, twin screw extruder working temperature interval for feed opening temperature be 220 DEG C, metering zone temperature is 230 DEG C, and melt zone temperature is 245 DEG C, and head temperature is 250 DEG C.
(4) at forcing machine melt zone, by side forced feeding equipment, the matting agent of 20 parts is joined in extruder screw, the blend of melting is through extruding, and tie rod, cooling, pelletizing, is packaged into finished product.
Embodiment 2
(1) polycarbonate 400 parts, acrylonitrile-butadiene-phenylethylene multipolymer 510 parts, toughner 80 parts, processing aid EBS5 part is taken, main anti-oxidant auxiliary agent 2 parts and auxiliary antioxidant 3 parts.
(2) polycarbonate taken in the first step, acrylonitrile-butadiene-phenylethylene multipolymer, processing aid, toughner, anti-oxidant auxiliary agent are put into together the high-speed mixer fully mixing 3 minutes that rotating speed is 150 revs/min.
(3) with delicate metering material conveying device, mixed for second step material is sent in twin screw extruder, through the shearing action of screw rod, sufficient mixing, wherein the length-to-diameter ratio of twin screw extruder is 40, and screw speed is at 300 revs/min, twin screw extruder working temperature interval for feed opening temperature be 220 DEG C, metering zone temperature is 230 DEG C, and melt zone temperature is 245 DEG C, and head temperature is 250 DEG C.
(4) at forcing machine melt zone, by side forced feeding equipment, the matting agent of 50 parts is joined in extruder screw, the blend of melting is through extruding, and tie rod, cooling, pelletizing, is packaged into finished product.
Embodiment 3
(1) polycarbonate 400 parts, acrylonitrile-butadiene-phenylethylene multipolymer 510 parts, toughner 80 parts, processing aid EBS5 part is taken, main anti-oxidant auxiliary agent 2 parts and auxiliary antioxidant 3 parts.
(2) polycarbonate taken in the first step, acrylonitrile-butadiene-phenylethylene multipolymer, processing aid, toughner, anti-oxidant auxiliary agent are put into together the high-speed mixer fully mixing 3 minutes that rotating speed is 150 revs/min.
(3) with delicate metering material conveying device, mixed for second step material is sent in twin screw extruder, through the shearing action of screw rod, sufficient mixing, wherein the length-to-diameter ratio of twin screw extruder is 40, and screw speed is at 300 revs/min, twin screw extruder working temperature interval for feed opening temperature be 220 DEG C, metering zone temperature is 230 DEG C, and melt zone temperature is 250 DEG C, and head temperature is 255 DEG C.
(4) at forcing machine melt zone, by side forced feeding equipment, the matting agent of 100 parts is joined in extruder screw, the blend of melting is through extruding, and tie rod, cooling, pelletizing, is packaged into finished product.
Embodiment 4
(1) polycarbonate 700 parts, acrylonitrile-butadiene-phenylethylene multipolymer 240 parts, toughner 50 parts, processing aid EBS5 part is taken, main anti-oxidant auxiliary agent 2 parts and auxiliary antioxidant 3 parts.
(2) polycarbonate taken in the first step, acrylonitrile-butadiene-phenylethylene multipolymer, processing aid, toughner, anti-oxidant auxiliary agent are put into together the high-speed mixer fully mixing 3 minutes that rotating speed is 150 revs/min.
(3) with delicate metering material conveying device, mixed for second step material is sent in twin screw extruder, through the shearing action of screw rod, sufficient mixing, wherein the length-to-diameter ratio of twin screw extruder is 40, and screw speed is at 300 revs/min, twin screw extruder working temperature interval for feed opening temperature be 220 DEG C, metering zone temperature is 240 DEG C, and melt zone temperature is 255 DEG C, and head temperature is 260 DEG C.
(4) at forcing machine melt zone, by side forced feeding equipment, the matting agent of 20 parts is joined in extruder screw, the blend of melting is through extruding, and tie rod, cooling, pelletizing, is packaged into finished product.
Embodiment 5
(1) polycarbonate 700 parts, acrylonitrile-butadiene-phenylethylene multipolymer 240 parts, toughner 50 parts, processing aid EBS5 part is taken, main anti-oxidant auxiliary agent 2 parts and auxiliary antioxidant 3 parts.
(2) polycarbonate taken in the first step, acrylonitrile-butadiene-phenylethylene multipolymer, processing aid, toughner, anti-oxidant auxiliary agent are put into together the high-speed mixer fully mixing 3 minutes that rotating speed is 150 revs/min.
(3) with delicate metering material conveying device, mixed for second step material is sent in twin screw extruder, through the shearing action of screw rod, sufficient mixing, wherein the length-to-diameter ratio of twin screw extruder is 40, and screw speed is at 300 revs/min, twin screw extruder working temperature interval for feed opening temperature be 220 DEG C, metering zone temperature is 240 DEG C, and melt zone temperature is 255 DEG C, and head temperature is 260 DEG C.
(4) at forcing machine melt zone, by side forced feeding equipment, the matting agent of 50 parts is joined in extruder screw, the blend of melting is through extruding, and tie rod, cooling, pelletizing, is packaged into finished product.
Embodiment 6
(1) polycarbonate 700 parts, acrylonitrile-butadiene-phenylethylene multipolymer 240 parts, toughner 50 parts, processing aid EBS5 part is got, main anti-oxidant auxiliary agent 2 parts and auxiliary antioxidant 3 parts.
(2) polycarbonate taken in the first step, acrylonitrile-butadiene-phenylethylene multipolymer, processing aid, toughner, anti-oxidant auxiliary agent are put into together the high-speed mixer fully mixing 3 minutes that rotating speed is 150 revs/min.
(3) with delicate metering material conveying device, mixed for second step material is sent in twin screw extruder, through the shearing action of screw rod, sufficient mixing, wherein the length-to-diameter ratio of twin screw extruder is 40, and screw speed is at 300 revs/min, twin screw extruder working temperature interval for feed opening temperature be 220 DEG C, metering zone temperature is 245 DEG C, and melt zone temperature is 260 DEG C, and head temperature is 265 DEG C.
(4) at forcing machine melt zone, by side forced feeding equipment, the matting agent of 100 parts is joined in extruder screw, the blend of melting is through extruding, and tie rod, cooling, pelletizing, is packaged into finished product.
The standard batten Progressive symmetric erythrokeratodermia that the mixture prepared by comparative example 1-2 and embodiment 1-6 is injection molded into test by standard size can be tested, and quantitative measurement standard is as shown in table 1, and test result is in table 2.
Table 1
Table 2
Can understand from upper table data, the present invention is added the product of matting agent compared with not carrying out the product of delustring process, it reduces glossiness Be very effective, and mechanical property keeps quite, tensile strength, flexural strength, modulus in flexure also increase, there is good result of use.
Embodiment 7
A preparation method for low-luster polycarbonate/styren-based resin composition, comprises the following steps:
(1) raw material is taken according to following component and parts by weight: polycarbonate 100 parts; SAN800 part; Toughner styrene-butadiene-styrene block copolymer 30 parts; Matting agent particle diameter order number is the talcum powder 30 parts of 3500; Alkylation polyphenol primary antioxidant 2 parts, triphenyl phosphite auxiliary anti-oxidant 1 part; Processing aid solid paraffin 2 parts;
(2) polycarbonate taken in step (1), styrene base resin, toughner, anti-oxidant auxiliary agent, processing aid are put into high-speed mixer and fully mixed, the rotating speed of high mixer is 100 revs/min, and mixing time is 3 minutes;
(3) with delicate metering material conveying device, the material mixed is sent in twin screw extruder, shearing action abundance through screw rod is mixing, at forcing machine melt zone, by side forced feeding equipment, matting agent is joined in forcing machine, the blend of melting through extruding, tie rod, cooling, pelletizing, be packaged into finished product; Wherein adopt vacuum exhaust during twin screw extruder batch mixing, length-to-diameter ratio is 44, and screw speed is 150 revs/min.
Embodiment 8
A preparation method for low-luster polycarbonate/styren-based resin composition, comprises the following steps:
(1) raw material is taken according to following component and parts by weight: polycarbonate 900 parts; ASA100 part; Toughner acryl-butadiene-styrol copolymer 60 parts; Matting agent particle diameter order number is 60 parts, the mica of 4500; Alkylation list phenol primary antioxidant 4 parts, diphenyl phosphite auxiliary anti-oxidant 3 parts; Processing aid silane coupling agent 3 parts;
(2) polycarbonate taken in step (1), styrene base resin, toughner, anti-oxidant auxiliary agent, processing aid are put into high-speed mixer and fully mixed, the rotating speed of high mixer is 120 revs/min, and mixing time is 2 minutes;
(3) with delicate metering material conveying device, the material mixed is sent in twin screw extruder, shearing action abundance through screw rod is mixing, at forcing machine melt zone, by side forced feeding equipment, matting agent is joined in forcing machine, the blend of melting through extruding, tie rod, cooling, pelletizing, be packaged into finished product; Wherein adopt vacuum exhaust during twin screw extruder batch mixing, length-to-diameter ratio is 42, and screw speed is 500 revs/min.
Embodiment 9
A preparation method for low-luster polycarbonate/styren-based resin composition, comprises the following steps:
(1) raw material is taken according to following component and parts by weight: polycarbonate 500 parts; ABS300 part, SAN150 part; Toughner Acrylic impact modifier 80 parts; Matting agent particle diameter order number is the kaolin 95 parts of 5000; Antioxidant 1076 5 parts, irgasfos 168 5 parts; Processing aid fatty acid amide 2 parts, calcium stearate 2 parts;
(2) polycarbonate taken in step (1), styrene base resin, toughner, anti-oxidant auxiliary agent, processing aid are put into high-speed mixer and fully mixed, the rotating speed of high mixer is 150 revs/min, and mixing time is 1 minute;
(3) with delicate metering material conveying device, the material mixed is sent in twin screw extruder, shearing action abundance through screw rod is mixing, at forcing machine melt zone, by side forced feeding equipment, matting agent is joined in forcing machine, the blend of melting through extruding, tie rod, cooling, pelletizing, be packaged into finished product; Wherein adopt vacuum exhaust during twin screw extruder batch mixing, length-to-diameter ratio is 40, and screw speed is 600 revs/min.
Be only several specific embodiments of the application above, but the application is not limited thereto, the changes that any person skilled in the art can think of, all should drops in the protection domain of the application.
Claims (7)
1. low-luster polycarbonate/styren-based resin composition, is characterized in that, is made up of the component of following parts by weight: polycarbonate 100-900 part; Styrene base resin 100-800 part; Toughner 30-80 part; Matting agent 20-100 part; Anti-oxidant auxiliary agent 3-10 part; Processing aid 2-5 part; Described matting agent be selected from particle diameter order number be 3500 talcum powder, particle diameter order number be 5000 talcum powder, particle diameter order number be 4500 mica or particle diameter order number be the kaolin of 5000; Described styrene base resin is selected from the mixture of one or more in acrylonitrile-butadiene-phenylethene grafted copolymer, acrylonitritrile-styrene resin, acrylonitrile-styrene-acrylic terpolymer; Described processing aid is selected from one or more in lubricant, coupling agent, processing and lubrication auxiliary agent; Described lubricant is selected from one or more in soap, fatty acid amide; Described processing and lubrication auxiliary agent is selected from one or more in solid paraffin, whiteruss, low molecular weight polyethylene, calcium stearate, Zinic stearas, stearic amide, pentaerythritol stearate, ethylene bis stearic acid amide and N, N-ethylene bis stearic acid amide; The preparation method of described low-luster polycarbonate/styren-based resin composition comprises the following steps: (1) takes raw material according to following component and parts by weight: polycarbonate 100-900 part; Styrene base resin 100-800 part; Toughner 30-80 part; Matting agent 20-100 part; Anti-oxidant auxiliary agent 3-10 part; Processing aid 2-5 part; (2) polycarbonate taken in step (1), styrene base resin, toughner, anti-oxidant auxiliary agent, processing aid are put into high-speed mixer and fully mixed; (3) with delicate metering material conveying device, the material mixed is sent in twin screw extruder, shearing action abundance through screw rod is mixing, at forcing machine melt zone, by side forced feeding equipment, matting agent is joined in forcing machine, the blend of melting through extruding, tie rod, cooling, pelletizing, be packaged into finished product; Wherein the length-to-diameter ratio of twin screw extruder is 40-44, and screw speed is 150-600 rev/min.
2. low-luster polycarbonate/styren-based resin composition as claimed in claim 1, it is characterized in that, described polycarbonate is bisphenol A polycarbonate, is obtained by dihydroxyphenyl propane and phosgene condensation.
3. low-luster polycarbonate/styren-based resin composition as claimed in claim 1, it is characterized in that, described toughner is selected from the mixture of one or more in Acrylic impact modifier, alkadiene rubber impact modifiers, maleic anhydride graft acrylonitrile-butadiene-phenylethene grafted copolymer, maleic anhydride and cinnamic multipolymer, styrene-butadiene-styrene block copolymer, acryl-butadiene-styrol copolymer.
4. low-luster polycarbonate/styren-based resin composition as claimed in claim 1, it is characterized in that, described anti-oxidant auxiliary agent comprises main anti-oxidant auxiliary agent and auxiliary anti-oxidant auxiliary agent, main anti-oxidant auxiliary agent is selected from one or more in alkylation list phenol, alkylation polyphenol, and auxiliary anti-oxidant auxiliary agent is selected from one or more in diphenyl phosphite, triphenyl phosphite, sterically hindered phenol or hydroxybenzotriazole.
5. low-luster polycarbonate/styren-based resin composition as claimed in claim 1, it is characterized in that, described coupling agent is selected from one or more in silane coupling agent, titanate coupling agent, aluminate coupling agent.
6. a preparation method for low-luster polycarbonate/styren-based resin composition as claimed in claim 1, is characterized in that, comprise the following steps: (1) takes raw material according to following component and parts by weight: polycarbonate 100-900 part; Styrene base resin 100-800 part; Toughner 30-80 part; Matting agent 20-100 part; Anti-oxidant auxiliary agent 3-10 part; Processing aid 2-5 part; (2) polycarbonate taken in step (1), styrene base resin, toughner, anti-oxidant auxiliary agent, processing aid are put into high-speed mixer and fully mixed; (3) with delicate metering material conveying device, the material mixed is sent in twin screw extruder, shearing action abundance through screw rod is mixing, at forcing machine melt zone, by side forced feeding equipment, matting agent is joined in forcing machine, the blend of melting through extruding, tie rod, cooling, pelletizing, be packaged into finished product; Wherein the length-to-diameter ratio of twin screw extruder is 40-44, and screw speed is 150-600 rev/min.
7. the preparation method of low-luster polycarbonate/styren-based resin composition as claimed in claim 6, it is characterized in that, in described step (2), the rotating speed of high mixer is 100-150 rev/min, and mixing time is 1-3 minute; In described step (3), adopt vacuum exhaust during twin screw extruder batch mixing, screw speed is 300-500 rev/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN102964792A (en) * | 2012-11-06 | 2013-03-13 | 深圳市奥拓电子股份有限公司 | Modified polycarbonate composition and LED (light-emitting diode) full-color screen module mask prepared therefrom |
| CN103772885B (en) * | 2013-12-30 | 2017-03-22 | 安徽科聚新材料有限公司 | Flat PC/ABS (polycarbonate/acrylonitrile butadiene styrene) automobile dashboard material and preparation method thereof |
| CN103965578B (en) * | 2014-05-23 | 2015-07-15 | 青岛中新华美塑料有限公司 | Extinctive PC/ABS (Poly Carbonate/Acrylonitrile Butadiene Styrene) plastic alloy and manufacturing method thereof |
| CN104610719A (en) * | 2014-12-26 | 2015-05-13 | 重庆普利特新材料有限公司 | High-heat resistance and low-gloss antistatic PC/ASA alloy material and preparation method thereof |
| CN106995600B (en) * | 2016-01-26 | 2020-12-18 | 合肥杰事杰新材料股份有限公司 | High-reflection low-light-transmission polycarbonate material and preparation method thereof |
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| CN107936461A (en) * | 2017-12-12 | 2018-04-20 | 天津金发新材料有限公司 | A kind of low gloss low noise ABS resin composition |
| CN108559241A (en) * | 2018-03-29 | 2018-09-21 | 深圳市富恒新材料股份有限公司 | A kind of injection grade has the preparation method of metal-like, foaming, delustring PC/ABS alloy materials |
| CN109666277B (en) * | 2018-11-21 | 2021-12-31 | 苏州市同发塑业有限公司 | Fiber-reinforced extinction flame-retardant PC/ABS alloy and preparation method thereof |
| CN110066505B (en) * | 2019-05-27 | 2021-07-02 | 陈伟成 | Matte PC-ABS alloy material and preparation method thereof |
| CN110204853A (en) * | 2019-06-27 | 2019-09-06 | 大河宝利材料科技(苏州)有限公司 | Semi-matte PC, ABS alloy material and preparation method thereof |
| CN110734635A (en) * | 2019-08-31 | 2020-01-31 | 宁波塑之华塑化有限公司 | light-shielding high-temperature-resistant flame-retardant PC (polycarbonate) material and preparation method thereof |
| CN111138825A (en) * | 2020-01-14 | 2020-05-12 | 湖北格霖威新材料科技有限公司 | Low-glossiness high-impact flame-retardant PC/ABS alloy material and preparation method thereof |
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| CN1113249A (en) * | 1994-05-03 | 1995-12-13 | 通用电气公司 | Low gloss blends of polycarbonate and graft polymer |
| CN101787192A (en) * | 2009-10-15 | 2010-07-28 | 上海锦湖日丽塑料有限公司 | Low-gloss polycarbonate styreneresin composite and preparation method thereof |
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| CN1113249A (en) * | 1994-05-03 | 1995-12-13 | 通用电气公司 | Low gloss blends of polycarbonate and graft polymer |
| CN101787192A (en) * | 2009-10-15 | 2010-07-28 | 上海锦湖日丽塑料有限公司 | Low-gloss polycarbonate styreneresin composite and preparation method thereof |
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