CN103937271B - Dumb light is exempted to spray PC/Abs alloy and preparation method thereof - Google Patents

Dumb light is exempted to spray PC/Abs alloy and preparation method thereof Download PDF

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CN103937271B
CN103937271B CN201410177444.2A CN201410177444A CN103937271B CN 103937271 B CN103937271 B CN 103937271B CN 201410177444 A CN201410177444 A CN 201410177444A CN 103937271 B CN103937271 B CN 103937271B
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temperature
district
eva
abs
acs
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CN103937271A (en
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刘春艳
王正有
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SHANGHAI ZHONGLEI NEW MATERIAL TECHNOLOGY Co Ltd
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SHANGHAI ZHONGLEI NEW MATERIAL TECHNOLOGY Co Ltd
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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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7461—Combinations of dissimilar mixers
    • 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
    • B29B9/12—Making granules characterised by structure or composition
    • 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
    • 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
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92561—Time, e.g. start, termination, duration or interruption
    • 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
    • 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
    • B29C2948/92609—Dimensions
    • B29C2948/92657—Volume or quantity
    • 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
    • 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
    • B29C2948/92761—Mechanical properties
    • 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
    • B29C2948/92895—Barrel or housing
    • 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
    • B29C2948/9298—Start-up, shut-down or parameter setting phase; Emergency shut-down; Material change; Test or laboratory equipment or studies

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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 dumb light of a kind of technical field of polymer materials is exempted to spray polycarbonate/acrylonitrile butadiene styrene alloy and preparation method thereof, by PC and EVA melt blending reactive extrursion pelletizing is obtained PC g EVA graft copolymer, with ABS, ACS, silica and auxiliary agent blending extrusion, obtain polycarbonate/acrylonitrile butadiene styrene alloy；The present invention utilizes the incompatible PC/ABS of the making alloy of ACS Yu PC g EVA to have matte effect, adds inorganic particle silica simultaneously and makes PC/ABS alloy have matte effect, and ACS and silica play the effect of collaborative matte effect.Owing to containing EVA, solving the problem that inorganic particle modification dumb light PC/ABS impact property is the highest simultaneously during the present invention prepares gained alloy.Further as adding ACS composition so that alloy material has fire-retardant, ageing-resistant and weathering characteristics.

Description

Dumb light is exempted to spray PC/Abs alloy and preparation method thereof
Technical field
A kind of method that the present invention relates to technical field of polymer materials, specifically a kind of dumb light is exempted to spray Merlon (PC)/acrylonitrile-butadiene-styrene (ABS) (ABS) alloy and preparation method thereof.
Background technology
For for the plastics of automotive trim and electronic apparatus case material of handling official business, it is desirable to lustrous surface is soft, the most so-called delustring Or dumb light effect.Automotive trim plastic part, generally in selection and design, needs to reduce dazzle by the diffusing reflection method on surface, In order to avoid interference motorist vision；Office electronic apparatus shell, in selection, requires matte effect too, reduces dazzle, with Exempt to make clerical workforce feel tired.So automotive upholstery, office electronic apparatus shell being carried out delustring or matte management, to obtain Comfortable driving sensation or office sensation.The inside gadgets such as automotive upholstery such as instrument board, office electronic apparatus such as computer casing, keyboard, The housings such as duplicator all show there is similar demand to product.
PC/ABS can add dumb light filler or macromolecule polyalcohol carries out dumb light modification, but mixture mechanical performance is as strong in impact Degree, ductility reservation can reduce, and anti-flammability and weatherability are bad simultaneously.
Through the retrieval of prior art is found, Chinese patent literature CN103194033A open (bulletin) day 2013.07.10, a kind of blending and modifying resin that can be applicable to lead-acid storage battery outer case is disclosed, by the raw material system of following weight proportion Become: ABS resin 60-80%, PC resin 20-30%, EVA copolymer 5-10%, compatilizer 2-10%.This technology uses ABS It is compatilizer with the graft copolymer of maleic anhydride, tri-kinds of polymer of EVA strong to ABS, PC and toughness is blended, obtains The high intensity of the existing PC of hybrid resin and anti-flammability.But the blending resin that this technology obtains does not reduces the effect of gloss.
Summary of the invention
The present invention is directed to deficiencies of the prior art, propose a kind of dumb light exempt to spray polycarbonate/acrylonitrile-butadiene- Styrene alloy and preparation method thereof, utilizes that acrylonitrile-chlorianted polyethylene-styrene terpolymer (ACS) and PC-g-EVA's is incompatible Make PC/ABS alloy have matte effect, add inorganic particle silica simultaneously and make PC/ABS alloy have matte effect, ACS With the effect that silica plays collaborative matte effect.Owing to containing EVA, solving inorganic simultaneously during the present invention prepares gained alloy The problem that powder-modified dumb light PC/ABS impact property is the highest.Further as adding ACS composition so that alloy material has Fire-retardant, ageing-resistant and weathering characteristics.
The present invention is achieved by the following technical solutions: the present invention is by obtaining PC and EVA melt blending reactive extrursion pelletizing To PC-g-EVA graft copolymer, with ABS, ACS, silica and auxiliary agent blending extrusion, obtain polycarbonate/acrylonitrile-fourth Styrene alloy.
The weight ratio of described PC and EVA is (60～90): (40～10), preferably 80:20.
Described PC and EVA melt blending use dibutyltin oxide (DBTO) as catalyst, the extrusion after melt blending Temperature be 230～255 DEG C, screw speed is 100～200r/min；Percent grafting is 5～10%.
The weight ratio (50～70) of described PC-g-EVA graft copolymer, ABS, ACS, silica and auxiliary agent: (10～30): (0～40): (2～5): 0.3.
Described acrylonitrile-chlorianted polyethylene-styrene terpolymer (ACS) is gathered by acrylonitrile (AN), chlorination for using mass polymerization The terpolymer that ethene (CPE) and styrene (St) prepare, and chlorinated polyethylene rubber part by weight is 25-35%, CPE Middle chlorinity is 40-70%, chlorinity preferably 45% in CPE.
In described ethylene-vinyl acetate copolymer (EVA), VA content is 20-40%, preferably 25%.
Described auxiliary agent includes but not limited to: Hinered phenols antioxidant, phosphite ester kind antioxidant, heat stabilizer etc..
Described antioxidant is the one or more combination in Hinered phenols antioxidant and phosphite ester kind antioxidant, preferably antioxygen Agent 1010 and irgasfos 168, i.e. four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythrite or three [2,4-bis-tertiary fourths Base phenyl] phosphite ester.
The present invention relates to the PC/Abs alloy that said method prepares, its 60 ° of lower gloss reach To 4～25 gloss unit (Gu).
The anti-flammability of described PC/Abs alloy reaches V-2 level even V-1 level.
The present invention relates to the application of above-mentioned PC/Abs alloy, use it for preparing weather-proof dumb light Automotive upholstery.Because effectively to prevent the reflection impact on driver, increase traffic safety, all the most most of vapour at present The processing method that car inside gadget uses is coated matte paint.It is fabricated to inside gadget according to dulling material, then can remove the work of spraying from Sequence.Not only can be cost-effective, the environmental pollution caused because of spraying can be reduced simultaneously.
Detailed description of the invention
Elaborating embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, Give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
Below in conjunction with embodiment, the present invention is described in further detail, but the invention is not limited in following example.Below The bisphenol A polycarbonate PC lexan141R that Merlon is GE company that embodiment uses, molecular weight is 25000-28000g/mol.Acrylonitrile-butadiene-styrene copolymer uses the ABS 747S of the very U.S. industry in Taiwan, and butadiene contains Amount is 20-40wt%.Antioxidant uses four [β-(3,5-di-tert-butyl-4-hydroxy phenyl) propionic acid] pentaerythritol ester, trade name Irganox1010, Ciba fine chemicals produces, and three (2,4-di-tert-butylphenol) phosphite ester, trade name Irganox168, Ciba fine chemicals produces.The present invention uses the ZE-25 double screw extruder that Berstorff company of Germany produces.
The present embodiment comprises the following steps:
The making of grafting PC-g-EVA: by 80 parts of PC, 20 points of EVA, 2 parts of DBTO, 0.1 part of Hinered phenols antioxidant, 0.1 part of phosphite ester kind antioxidant high-speed mixer joins after uniformly mixing and carries out melt blending in double screw extruder, a district Temperature is 190 DEG C, and two district's temperature are 210 DEG C, and three district's temperature are 220 DEG C, and four district's temperature are 230 DEG C, and five district's temperature are 240 DEG C, Six district's temperature are 250 DEG C, and seven district's temperature are 255 DEG C, and eight district's temperature are 255 DEG C, and nine district's temperature are 250 DEG C, and screw speed is 250 revs/min, the time of staying is 2 minutes.Cooling after extruded, dry, pelletizing, obtain PC-g-EVA.
By PC-g-EVA, ABS, ACS, silica and Hinered phenols antioxidant, phosphite ester kind antioxidant, heat stabilizer Joining after uniformly mixing according to the proportioning high-speed mixer of embodiment in double screw extruder and carry out melt blending, district's temperature is 190 DEG C, two district's temperature are 220 DEG C, and three district's temperature are 230 DEG C, and four district's temperature are 240 DEG C, and five district's temperature are 250 DEG C, 6th district Temperature is 260 DEG C, and seven district's temperature are 260 DEG C, and eight district's temperature are 260 DEG C, and nine district's temperature are 255 DEG C, and screw speed is 250 Rev/min, the time of staying is 2 minutes.Cooling after extruded, dry, pelletizing, obtain dumb light PC/ABS alloy.
Notch impact strength is tested by ASTM D256, and specimen size is 64mm*12.7mm*3.2mm, notch depth For 2.2mm, test equipment is the shock machine of Ray-Ran company of Britain.
ASTM D2457 is pressed in lustrous surface test, uses Gardner's gloss meter to test in smooth 3mm thickness specimen surface, Recording 60 ° of gloss numbers, gloss unit is GU, and standard black sheet glass gloss level therein is 100GU.
UL-94 is pressed in flame retardant rating test, and test equipment is U.S.'s ATLAS HVUL-2 vertical combustion instrument.
Each percentage by weight and test physical property result such as following table:
The PC:EVA ratio of PC-g-EVA is 60～90:40～10, and in following comparative's example and embodiment, PC:EVA ratio is 80:20。
Table 1
In table 1, the alloy material impact physical property not adding inorganic silicon dioxide powder is higher, added with the alloy material of inorganic silicon dioxide Material impact declines substantially.
After PC is replaced with PC-g-EVA, PC/ABS alloy material impact higher, add PC-g-EVA graft copolymer it Rear alloy material, owing to containing EVA composition, impact flexibility increases, improves inorganic particle modification dumb light PC/ABS and impacts low asking Topic.
Inorganic silicon dioxide powder and the interpolation of ACS copolymer, in PC/ABS alloy, gloss reduces substantially, alloy gloss and with The interpolation content of the two increases and is gradually lowered, and the two plays collaborative dumb light modifying function.In embodiment 7, the gloss of alloy material reaches To 3.5 optimal gloss unit Gu.
In above comparative example and embodiment, the alloy material UL94 not adding ACS is fire-retardant for HB level, alloy after interpolation ACS Flame Retardancy can arrive V-2 Yu V-1 grade.

Claims (9)

1. a dumb light exempts to spray the preparation method of PC/Abs alloy, it is characterised in that pass through PC and EVA melt blending reactive extrursion pelletizing is obtained PC-g-EVA graft copolymer, with ABS, ACS, silica and auxiliary agent altogether Mixed extrusion, obtains PC/Abs alloy；
The weight ratio of described PC and EVA is (60～90): (40～10)；
In described PC and EVA melt blending, employing dibutyltin oxide as catalyst, the temperature of the extrusion after melt blending is 230～255 DEG C, screw speed is 100～200r/min；Percent grafting is 5～10%；
The weight ratio (50～70) of described PC-g-EVA graft copolymer, ABS, ACS, silica and auxiliary agent: (10～30): (0～40): (2～5): 0.3.
Preparation method the most according to claim 1, is characterized in that, described auxiliary agent includes: Hinered phenols antioxidant, phosphorous Esters of gallic acid antioxidant and heat stabilizer.
Preparation method the most according to claim 1, is characterized in that, the weight ratio of described PC and EVA is 80:20.
Preparation method the most according to claim 1, is characterized in that, described ACS for use mass polymerization by acrylonitrile, The terpolymer that haloflex and styrene prepare, and haloflex part by weight is 25-35%, and in CPE, chlorine contains Amount is 40-70%.
Preparation method the most according to claim 1, is characterized in that, in described EVA, VA content is 20-40%.
Preparation method the most according to claim 1, is characterized in that, described PC and EVA melt blending refers to: with the most mixed Conjunction machine joins after uniformly being mixed by PC and EVA in double screw extruder and carries out melt blending, wherein: district's temperature is 190 DEG C, Two district's temperature are 210 DEG C, and three district's temperature are 220 DEG C, and four district's temperature are 230 DEG C, and five district's temperature are 240 DEG C, and six district's temperature are 250 DEG C, Seven district's temperature are 255 DEG C, and eight district's temperature are 255 DEG C, and nine district's temperature are 250 DEG C, and screw speed is 250 revs/min, the time of staying It it is 2 minutes.
Preparation method the most according to claim 1, is characterized in that, described PC-g-EVA graft copolymer and ABS, ACS, Silica and auxiliary agent blending extrusion refer to: join after uniformly being mixed by high-speed mixer and carry out melted being total in double screw extruder Mixed, district's temperature is 190 DEG C, and two district's temperature are 220 DEG C, and three district's temperature are 230 DEG C, and four district's temperature are 240 DEG C, five district's temperature Being 250 DEG C, six district's temperature are 260 DEG C, and seven district's temperature are 260 DEG C, and eight district's temperature are 260 DEG C, and nine district's temperature are 255 DEG C, screw rod Rotating speed is 250 revs/min, and the time of staying is 2 minutes, last extruded rear cooling, dry, pelletizing, obtains dumb light PC/ABS and closes Gold.
The PC/Abs alloy that method the most according to claim 1 or claim 2 prepares, its feature Being, its component and weight ratio be: the weight ratio (50～70) of PC-g-EVA graft copolymer, ABS, ACS, silica and auxiliary agent: (10～30): (0～40): (2～5): 0.3.
9. one kind prepare according to described preparation method arbitrary in claim 1～7 or Merlon according to claim 8/ The application of acrylonitrile-butadiene-styrene (ABS) alloy, it is characterised in that use it for preparing the automotive upholstery of weather-proof dumb light.
CN201410177444.2A 2014-04-29 2014-04-29 Dumb light is exempted to spray PC/Abs alloy and preparation method thereof Active CN103937271B (en)

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CN106589778A (en) * 2016-12-21 2017-04-26 深圳市捷创新材料有限公司 High-molecular polymer applicable to blow molding and blow molding process of high-molecular polymer
CN107459756A (en) * 2017-08-25 2017-12-12 广东壹豪新材料科技股份有限公司 A kind of PC/AS/UHMWPE composites for exempting from spraying and preparation method thereof

Citations (3)

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Publication number Priority date Publication date Assignee Title
CA2025377A1 (en) * 1989-11-16 1991-05-17 James L. Derudder Low gloss flame retardant thermoplastic blends
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
CN102115583A (en) * 2009-12-30 2011-07-06 上海金发科技发展有限公司 Weather-resistant low-gloss high-fluidity polycarbonate composition

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2025377A1 (en) * 1989-11-16 1991-05-17 James L. Derudder Low gloss flame retardant thermoplastic blends
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
CN102115583A (en) * 2009-12-30 2011-07-06 上海金发科技发展有限公司 Weather-resistant low-gloss high-fluidity polycarbonate composition

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Title
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