CN107974031A - A kind of antibacterial PC/ABS compounds and preparation method and application - Google Patents

A kind of antibacterial PC/ABS compounds and preparation method and application Download PDF

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Publication number
CN107974031A
CN107974031A CN201711091785.8A CN201711091785A CN107974031A CN 107974031 A CN107974031 A CN 107974031A CN 201711091785 A CN201711091785 A CN 201711091785A CN 107974031 A CN107974031 A CN 107974031A
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antibacterial
abs
temperature
antiseptic
abs compounds
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Inventor
肖华明
汪炉林
孙超正
陈国雄
陶四平
田晋丽
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Tianjin Kingfa Advanced Materials Co Ltd
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Tianjin Kingfa Advanced Materials Co Ltd
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Priority to CN201711091785.8A priority Critical patent/CN107974031A/en
Publication of CN107974031A publication Critical patent/CN107974031A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
    • C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/78—Measuring, controlling or regulating of 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
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76498—Pressure
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76531—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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76655—Location of control
    • B29C2945/76658—Injection unit
    • B29C2945/76668—Injection unit barrel
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76655—Location of control
    • B29C2945/76732—Mould
    • 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
    • B29C2948/92609—Dimensions
    • 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
    • B29C2948/92819—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
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
    • 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 Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention provides a kind of antibacterial PC/ABS compounds and preparation method and application, count in parts by weight, including following component：10 50 parts of PC resin；30 80 parts of ABS resin；Compatilizer：2 10 parts；1 10 parts of cohesion modifiers；Bond modified 0.1 0.5 parts of synergist；0.5 2 parts of antiseptic；0.1 3 parts of auxiliary agent.Antibacterial PC/ABS compound excellent in mechanical performance of the present invention, has excellent adhesion strength, and stability is high.

Description

A kind of antibacterial PC/ABS compounds and preparation method and application
Technical field
The invention belongs to polymeric material field, and in particular to a kind of antibacterial PC/ABS compounds and preparation method thereof are with answering With.
Background technology
PC/ABS alloys are by certain ratio by PC (makrolon) and ABS (acrylonitrile-butadiene-styrene copolymer) A kind of alloy material of example synthesis.Makrolon (PC) has impact strength height, creep resistant, good stability of the dimension, heat-resisting, saturating Bright, the advantages that dielectric properties are excellent, but at the same time there is also processing fluidity it is poor, stress cracking easily occurs, to notch sensitive, resistance to The shortcomings of mill property is poor；Acrylonitrile/butadiene/styrene copolymer (ABS) has preferable chemical proofing and processing and forming Property, but its heat-resisting and weatherability difference is relatively poor.PC/ABS alloys obtained by both blending and modifyings can be complementary in performance, no Only the heat resistance of blend alloy, impact strength and tensile strength are better than ABS, and its melt viscosity is lower than PC, processing performance Good, product internal stress and impact strength all substantially reduce the sensitiveness of products thickness, in electric, automobile and many height New technical field is widely used.
PC/ABS alloy materials in gluing field using more and more extensive, such as lead-acid accumulator field.Lead-acid battery electrode Mainly it is made of lead and its oxide, electrolyte is a kind of storage battery of sulfuric acid solution.Sent out from Frenchman Pulan spy in 1859 Bright lead-acid accumulator, has been subjected to the development course of nearly 150 years, lead-acid accumulator in terms of theoretical research, in product category and Kind, product electric property etc. are obtained for significant progress, whether in traffic, communication, electric power, military or navigating Sea, each economic field of aviation, lead-acid accumulator all play indispensable important function.In recent years, with urbanization Accelerate and the expansion of city scope, the magnitude of traffic flow increase severely.Although the vehicles such as automobile are quickly grown, it is subject to use price phase Influence to factors such as expensive and rises of the oil price, make electric bicycle with its is spry and light, conveniently, the advantage such as cheap, at home City's field depth is welcome by consumers in general.Lead-acid accumulator because it is cost-effective, power characteristic is good, self discharge is small, cheap, closely Get back over year in electric bicycle application；
PC/ABS alloy materials are applied to gluing field, it is necessary to which it possesses high adhesion strength and stability；Such as plumbic acid Battery field PC/ABS alloy materials, it is desirable to its initial stage adhesion strength Wei≤76.2Kgf/1.27cm2；And at present on the market PC/ABS alloy materials, its adhesion strength is mostly 50-70Kgf/1.27cm2；It can not meet the requirement of battery field.
The content of the invention
In view of this, the present invention is directed to propose a kind of antibacterial PC/ABS compounds and preparation method and application, to solve The above problem.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of antibacterial PC/ABS compounds, are counted in parts by weight, including following component：
Further, the PC resin is bisphenol A polycarbonate, its molecular weight is 10000-40000；
Further, the ABS resin is acrylonitrile, butadiene, the weight of the terpolymer of styrene, wherein butadiene Amount degree is 10-55%, and the weight percent content of acrylonitrile is 15-32%, the weight percent content of styrene For 30-70%.
Further, the compatilizer is the graft of maleic anhydride, and the grafting rate of the graft is 0.3-1.2%, Melt index of the graft under 190 DEG C, 2.16kg loads is 50-120g/10min.Maleic anhydride grafting compatilizer leads to Cross and introduce highly polar reactive group, make material that there is high polarity and reactivity, the compatibility of composite material can be greatly improved.
Further, the cohesion modifiers are ethylene-methyl acrylate-glyceryl methacrylate ternary polymerization Thing, its melt mass flow rate under 190 DEG C, 2.16kg loads are 5-10g/10min., can after adding cohesion modifiers To form hydrogen bond between resin and adhesive, the formation of a large amount of hydrogen bonds can be with the Van der Waals between reinforced resin and adhesive Power, so as to improve the adhesion strength of compound.
Further, the modified synergist of bonding be high boiling small-molecule substance, specially turpentine oil, coal tar, Mixture more than one or both of furfuryl alcohol, castor oil, epoxidized soybean oil.After adding high boiling small-molecule substance, this The addition of a little small-molecule substances can increase the locomitivity of strand, improve flexibility, so that glue-line is not crisp, further carry The adhesion strength of high compound；
Further, the antiseptic that the antiseptic forms for photocatalitic germicide with silver-based inorganic antibacterial agent compounding, it is excellent Percentage by weight is elected as 1：The antiseptic that 1 compounding forms.Formed using photocatalitic germicide and silver-based inorganic antibacterial agent compounding Antiseptic, the limitation of single antiseptic can be overcome；Its Antibacterial Mechanism is：The outside energies such as ultraviolet light, visible ray are absorbed, By exciting electron transition, oxygen and hydrone around antiseptic are activated, becomes active oxygen and hydroxyl free radical.They can oxygen Change or make protein in bacterial cell, unrighted acid, glucosides etc. react, its normal configuration is destroyed, so that carefully Bacterium is dead or loses multiplication capacity.
Further, auxiliary agent includes such as heat stabilizer, light stabilizer, processing aid, pigment in composition of the invention. Above-mentioned additive can be used alone according to the structures of different products, technical requirements etc., or be used in combination.
Heat stabilizer can improve heat aging property of the material during processing and use, usually may be selected from phenols, Phosphorous acid esters, thio esters one or both of compound more than mixture.
Light stabilizer can improve the light aging resisting property of material in use, can be that hindered amines or ultraviolet are inhaled Receive agent.
Processing aid is low molecule esters stearic acid, metallic soap (such as Cast, Znst), stearic acid complex ester or amide-type Mixture more than one or both of (such as erucyl amide).
The preparation method of antibacterial PC/ABS compounds of the present invention, includes the following steps：
(1) by PC resin, ABS resin, compatilizer, cohesion modifiers, bond modified synergist, antiseptic, auxiliary agent by matching somebody with somebody Than being sufficiently mixed 10-60 minutes in high-speed mixer；
(2) said mixture is transported in double screw extruder by the feed device of delicate metering, extruder it is each Section extruder temperature control is between 180~230 DEG C, and the draw ratio of double screw extruder is 25~40, screw speed 200-800 Rev/min, under the shearing of screw rod, mixing and conveying, material is able to fully fusing, compound, then by extruding pelletization, dry To antibacterial PC/ABS compounds；
(3) antibacterial PC/ABS compounds are added in injection molding machine and are processed into required batten, the injecting condition is：Barrel 190-240 DEG C of temperature, 60~70 DEG C of mold temperature, injection pressure 6-10MPa.
Antibacterial PC/ABS compounds of the present invention can be widely applied in the glue closure material such as storage battery.
Relative to the prior art, antibacterial PC/ABS compounds of the present invention have the advantage that：
1) antibacterial PC/ABS compound excellent in mechanical performance of the present invention；
2) antibacterial PC/ABS compounds of the present invention have excellent adhesion strength, and stability is high；
3) antibacterial PC/ABS compound preparation methods of the present invention are simple and practicable, handling ease, are very suitable for glue envelope Field (such as storage battery) promotes and applies；
4) after present invention addition antiseptic, the ABS compounds of preparation have excellent antibacterial effect, can be used as antibacterial material Material is used for automobile, refrigerator, TV industry.
Embodiment
In addition to being defined, technical term used has universal with those skilled in the art of the invention in following embodiments The identical meanings of understanding.Test reagent used, is routine biochemistry reagent unless otherwise specified in following embodiments；It is described Experimental method, is conventional method unless otherwise specified.
Raw material used in embodiment and comparative example do as described below, but are not limited to these materials：
PC resin is selected from the PC L-1225L of Japanese Supreme Being people；
ABS resin selects the ABS 8434 of Shanghai Gaoqiao；
Compatilizer is selected from the KT-1 of Sheyang Ketong Plastic Co., Ltd.；
Cohesion modifiers select A Kema AX-8900；
Bonding modified synergist selects Longkou city dragon to reach epoxidized soybean oil；
The antiseptic that antiseptic forms for photocatalitic germicide with silver-based inorganic antibacterial agent compounding, is preferably weight percentage For 1：The antiseptic that 1 compounding forms.Wherein, photocatalitic germicide is the TiO2 of anatase titanium dioxide, selected from the micro- science and technology of China；Silver-based inorganic resists Microbial inoculum is selected from Guangzhou mattress Nowe Chemical Co., Ltd., concrete model IPS3.
Auxiliary agent is pigment, the pigment that weight ratio is 1 part is added in embodiment 1-3 and comparative example 1-3, because of the pigment pair The physical property of composition is therefore unlisted without influence.
The instrument and equipment that the present invention prepares used in composition has：
The flame-retardant modified double screw extruder used of thermoplastic is given birth to by Nanjing Rhea high polymer Equipment Limited The SHJ-30 of production；
The injection molding machine that thermoplastic test bars use is the B-920 produced by Zhejiang Hai Tian injection molding machines Co., Ltd Type；
The instrument of test melt flow rate (MFR) is that the ZR21452 of Mei Site industrial systems (China) Co., Ltd production melts Body flow rate instrument；
The impact experiment machine of test impact strength is the T92 types of Tinius Olsenis companies of U.S. production；
The universal testing machine of test tensile strength is the H10K-S of Hounsfield companies production.
With reference to embodiment, the present invention will be described in detail.
Embodiment 1
45 parts of PC resins, 50.4 parts of ABS resins, 3 parts of compatilizers, 1 part of cohesion modifiers, 0.1 part are bonded into modified synergistic Agent, 0.5 part of antiseptic, are sufficiently mixed 10-60 minutes by proportioning in high-speed mixer；By said mixture by delicate metering Feed device is transported in double screw extruder that (wherein, the processing conditions of double screw extruder melting extrusion is as follows：One area's temperature 190 DEG C, two 210 DEG C of area's temperature, three 230 DEG C of area's temperature, four 240 DEG C of area's temperature, five 240 DEG C of area's temperature, six 240 DEG C of area's temperature, Seven 240 DEG C of area's temperature, eight 240 DEG C of area's temperature, nine 240 DEG C of area's temperature, ten 250 DEG C of area's temperature, 260 DEG C of head temperature；Screw rod turns Speed is 200-800 revs/min, draw ratio 40：1), the shearing of screw rod, mixing and conveying under, material be able to fully fusing, It is compound, then by extruding pelletization, be dried to obtain antibacterial PC/ABS compounds；Antibacterial PC/ABS compounds are added in injection molding machine Required batten is processed into, the injecting condition is：190-260 DEG C of barrel temperature, mold temperature are 60~70 DEG C, and injection pressure is 6-10MPa。
Embodiment 2
45 parts of PC resins, 46.8 parts of ABS resins, 3 parts of compatilizers, 5 parts of cohesion modifiers, 0.2 part are bonded into modified synergistic Agent, 1 part of antiseptic, are sufficiently mixed 10-60 minutes by proportioning in high-speed mixer；By said mixture sending by delicate metering Material device is transported in double screw extruder that (wherein, the processing conditions of double screw extruder melting extrusion is as follows：One area's temperature 190 DEG C, two 210 DEG C of area's temperature, three 230 DEG C of area's temperature, four 240 DEG C of area's temperature, five 240 DEG C of area's temperature, six 240 DEG C of area's temperature, Seven 240 DEG C of area's temperature, eight 240 DEG C of area's temperature, nine 240 DEG C of area's temperature, ten 250 DEG C of area's temperature, 260 DEG C of head temperature；Screw rod turns Speed is 200-800 revs/min, draw ratio 40：1), the shearing of screw rod, mixing and conveying under, material be able to fully fusing, It is compound, then by extruding pelletization, be dried to obtain antibacterial PC/ABS compounds；Antibacterial PC/ABS compounds are added in injection molding machine Required batten is processed into, the injecting condition is：190-260 DEG C of barrel temperature, mold temperature are 60~70 DEG C, and injection pressure is 6-10MPa。
Embodiment 3
45 parts of PC resins, 41.5 parts of ABS resins, 3 parts of compatilizers, 10 parts of cohesion modifiers, 0.5 part are bonded into modified synergistic Agent, 2 parts of antiseptics, are sufficiently mixed 10-60 minutes by proportioning in high-speed mixer；By said mixture sending by delicate metering Material device is transported in double screw extruder that (wherein, the processing conditions of double screw extruder melting extrusion is as follows：One area's temperature 190 DEG C, two 210 DEG C of area's temperature, three 230 DEG C of area's temperature, four 240 DEG C of area's temperature, five 240 DEG C of area's temperature, six 240 DEG C of area's temperature, Seven 240 DEG C of area's temperature, eight 240 DEG C of area's temperature, nine 240 DEG C of area's temperature, ten 250 DEG C of area's temperature, 260 DEG C of head temperature；Screw rod turns Speed is 200-800 revs/min, draw ratio 40：1), the shearing of screw rod, mixing and conveying under, material be able to fully fusing, It is compound, then by extruding pelletization, be dried to obtain antibacterial PC/ABS compounds；Antibacterial PC/ABS compounds are added in injection molding machine Required batten is processed into, the injecting condition is：190-260 DEG C of barrel temperature, mold temperature are 60~70 DEG C, and injection pressure is 6-10MPa。
Comparative example 1
By 45 parts of PC resins, 51 parts of ABS resins, 3 parts of compatilizers, 1 part of cohesion modifiers, filled by proportioning in high-speed mixer Divide mixing 10-60 minutes；(wherein, said mixture is transported in double screw extruder by the feed device of delicate metering The processing conditions of double screw extruder melting extrusion is as follows：One 190 DEG C of area's temperature, two 210 DEG C of area's temperature, three 230 DEG C of area's temperature, Four 240 DEG C of area's temperature, five 240 DEG C of area's temperature, six 240 DEG C of area's temperature, seven 240 DEG C of area's temperature, eight 240 DEG C of area's temperature, nine area's temperature 240 DEG C of degree, ten 250 DEG C of area's temperature, 260 DEG C of head temperature；Screw speed is 200-800 revs/min, draw ratio 40：1), exist Under the shearing of screw rod, mixing and conveying, material is able to fully fusing, compound, then by extruding pelletization, be dried to obtain antibacterial PC/ ABS compounds；Antibacterial PC/ABS compounds are added in injection molding machine and are processed into required batten, the injecting condition is：Barrel 190-260 DEG C of temperature, mold temperature are 60~70 DEG C, injection pressure 6-10MPa.
Comparative example 2
45 parts of PC resins, 51.8 parts of ABS resins, 3 parts of compatilizers, 0.2 part are bonded into modified synergist, by proportioning at a high speed Mixer is sufficiently mixed 10-60 minutes；Said mixture is transported to double screw extruder by the feed device of delicate metering In (wherein, the processing conditions of double screw extruder melting extrusion is as follows：One 190 DEG C of area's temperature, two 210 DEG C of area's temperature, three area's temperature 230 DEG C of degree, four 240 DEG C of area's temperature, five 240 DEG C of area's temperature, six 240 DEG C of area's temperature, seven 240 DEG C of area's temperature, eight area's temperature 240 DEG C, nine 240 DEG C of area's temperature, ten 250 DEG C of area's temperature, 260 DEG C of head temperature；Screw speed is 200-800 revs/min, draw ratio For 40：1), under the shearing of screw rod, mixing and conveying, material is able to fully fusing, compound, then by extruding pelletization, dry To PC/ABS compounds；PC/ABS compounds are added in injection molding machine and are processed into required batten, the injecting condition is：Barrel 190-260 DEG C of temperature, mold temperature are 60~70 DEG C, injection pressure 6-10MPa.
Comparative example 3
By 45 parts of PC resins, 52 parts of ABS resins, 3 parts of compatilizers, 10-60 points are sufficiently mixed in high-speed mixer by proportioning Clock；Said mixture is transported in double screw extruder that (wherein, double screw extruder melts by the feed device of delicate metering The processing conditions for melting extrusion is as follows：One 190 DEG C of area's temperature, two 210 DEG C of area's temperature, three 230 DEG C of area's temperature, four 240 DEG C of area's temperature, Five 240 DEG C of area's temperature, six 240 DEG C of area's temperature, seven 240 DEG C of area's temperature, eight 240 DEG C of area's temperature, nine 240 DEG C of area's temperature, ten area's temperature 250 DEG C of degree, 260 DEG C of head temperature；Screw speed is 200-800 revs/min, draw ratio 40：1), in the shearing of screw rod, mix Refining and conveying under, material be able to fully fusing, it is compound, then by extruding pelletization, be dried to obtain PC/ABS compounds；By PC/ABS Compound, which is added in injection molding machine, is processed into required batten, and the injecting condition is：190-260 DEG C of barrel temperature, mold temperature For 60~70 DEG C, injection pressure 6-10MPa.
The batten that embodiment 1-3 and comparative example 1-3 are obtained tests its correlated performance using iso standard, its antibiotic rate measure, Using Chinese light industry standard QB/T 2591-2003《Antibiotic plastic-anti-microbial property evaluation and its test method》Standard, it is real It is Escherichia coli to test strain, staphylococcus aureus.In addition, the test method of adhesive strength is：
1st, first resin sheet (i.e. batten, similarly hereinafter) is cut from centre；
2nd, away from making marks at disconnected 10mm, and with 50% ethanol surface；
3rd, solid is dipped using cotton swab, two drop solids is added dropwise in the label range of wherein a piece of resin sheet, are added dropwise Quality be 0.06-0.08g；
4th, two panels resin sheet is superimposed according to mark and alignd, the mark of two panels resin sheet is bonded together, two The top pressure of piece resin sheet is improved quality as the special pressing plate of 500g, while ensures that resin sheet is horizontal and not in gap shell tool Misplace, the solid of spilling is removed；
5th, resin streak is put into drying equipment dry, it is ensured that to ensure to drying equipment is put into from configuration solid Completed in 10min, drying temperature is 60 DEG C, time 2h；
6th, adhesive strength is tested：The dried resin sheet that step 5 is obtained is set under the draw speed of 5mm/min The adhesive strength of fat piece.
The specific proportioning and the performance test results of embodiment 1-3 and comparative example 1-3 see the table below：
1 embodiment of table matches somebody with somebody when performance test data with the specific of each component in comparative example
From the embodiment and comparative example of table 1 as can be seen that addition cohesion modifiers and bond synergist after, embodiment with The mechanical property of comparative example is essentially the same, and mechanical property and anti-flammability are retainable very well, but adhesion strength differs greatly；It is real Example 1 is applied compared with comparative example 1, with the addition of 0.1 part of cohesive synergist, adhesion strength is from 77.2Kgf/1.27cm2Bring up to 81.5Kgf/1.27cm2；Embodiment 2 with the addition of 5 parts of cohesion modifiers compared with comparative example 2, and adhesion strength is from 70.2Kgf/ 1.27cm2Bring up to 92.0Kgf/1.27cm2；Embodiment 3 with the addition of 10 parts of cohesion modifiers and 0.5 part compared with comparative example 3 Synergist is bonded, adhesion strength is from 65.1Kgf/1.27cm2Bring up to 106.1Kgf/1.27cm2。
As can also be seen from Table 1, cohesion modifiers are not added and bond synergist, and the adhesion strength of compound only has 65.1Kgf/1.27cm2, compared from comparative example 1, comparative example 2 with comparative example 3, it can be seen that addition cohesion modifiers or bonding Synergist can improve the adhesion strength of compound, but add cohesion modifiers at the same time and bond synergist, can cause The adhesion strength of compound increases substantially.By can also be seen that in upper table：Add photocatalitic germicide and silver series inorganic antibiosis The antiseptic that agent compounding forms, can overcome the limitation of single antiseptic, and there is the composite material of preparation excellent antibacterial to imitate Fruit.
Antibacterial PC/ABS compounds of the present invention have excellent comprehensive performance, and while adhesion strength is improved, its is fire-retardant Performance, mechanical property are held essentially constant, and can be applied to glue closure material field (such as storage battery).
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.

Claims (10)

  1. A kind of 1. antibacterial PC/ABS compounds, it is characterised in that：Count in parts by weight, including following component：
  2. 2. antibacterial PC/ABS compounds according to claim 1, it is characterised in that：The PC resin is the poly- carbon of bisphenol A-type Acid esters, its molecular weight are 10000-40000.
  3. 3. antibacterial PC/ABS compounds according to claim 1, it is characterised in that：The ABS resin is acrylonitrile, fourth two The weight percent content of the terpolymer of alkene, styrene, wherein butadiene is 10-55%, the percentage by weight of acrylonitrile Content is 15-32%, and the weight percent content of styrene is 30-70%.
  4. 4. antibacterial PC/ABS compounds according to claim 1, it is characterised in that：The compatilizer connects for maleic anhydride Branch thing, the grafting rate of the graft is 0.3-1.2%, and melt index of the graft under 190 DEG C, 2.16kg loads is 50-120g/10min。
  5. 5. antibacterial PC/ABS compounds according to claim 1, it is characterised in that：The cohesion modifiers are ethene-the third E pioic acid methyl ester-glycidyl methacrylate terpolymer, its melt mass flow under 190 DEG C, 2.16kg loads Speed is 5-10g/10min.
  6. 6. antibacterial PC/ABS compounds according to claim 1, it is characterised in that：The modified synergist of bonding is turpentine Mixture more than one or both of oil, coal tar, furfuryl alcohol, castor oil, epoxidized soybean oil.
  7. 7. ABS compounds according to claim 1, it is characterised in that：The antiseptic is photocatalitic germicide and silver system The antiseptic that inorganic antiseptic compounding forms.
  8. 8. ABS compounds according to claim 5, it is characterised in that：The antiseptic is photocatalitic germicide and silver system Inorganic antiseptic percentage by weight is 1：The antiseptic that 1 compounding forms.
  9. A kind of 9. preparation method of antibacterial PC/ABS compounds, it is characterised in that：The preparation method includes the following steps：
    (1) it is PC resin, ABS resin, compatilizer, cohesion modifiers, the modified synergist of bonding, antiseptic, auxiliary agent is mixed in high speed Conjunction machine is sufficiently mixed 10-60 minutes and obtains mixture；
    (2) mixture that step (1) obtains is transported in double screw extruder by feed device, the screw extruder it is each Section extruder temperature control is between 180~230 DEG C, and the draw ratio of double screw extruder is 25~40, screw speed 200-800 Rev/min, mixture fully melts, it is compound after again by extruding pelletization, be dried to obtain antibacterial PC/ABS compounds；
    (3) antibacterial PC/ABS compounds are added in injection molding machine and are processed into required batten, the injecting condition is：Barrel temperature 190-240 DEG C, 60~70 DEG C of mold temperature, injection pressure 6-10MPa.
  10. A kind of 10. application of any antibacterial PC/ABS compounds in battery rubber closure material in claim 1-9.
CN201711091785.8A 2017-11-08 2017-11-08 A kind of antibacterial PC/ABS compounds and preparation method and application Pending CN107974031A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109627662A (en) * 2018-12-19 2019-04-16 天津金发新材料有限公司 A kind of antibacterial poly styrene composite material, preparation method and its evaluation method
CN109651747A (en) * 2018-12-19 2019-04-19 天津金发新材料有限公司 A kind of antibacterial flame-retardant polyphenylacetylene combination and the preparation method and application thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104629316A (en) * 2013-11-07 2015-05-20 殷培花 Filling and reinforcing antistatic modified PC-ABS alloy plastic
CN106751803A (en) * 2016-12-23 2017-05-31 株洲时代新材料科技股份有限公司 A kind of antibacterial PA66/ABS composites and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104629316A (en) * 2013-11-07 2015-05-20 殷培花 Filling and reinforcing antistatic modified PC-ABS alloy plastic
CN106751803A (en) * 2016-12-23 2017-05-31 株洲时代新材料科技股份有限公司 A kind of antibacterial PA66/ABS composites and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109627662A (en) * 2018-12-19 2019-04-16 天津金发新材料有限公司 A kind of antibacterial poly styrene composite material, preparation method and its evaluation method
CN109651747A (en) * 2018-12-19 2019-04-19 天津金发新材料有限公司 A kind of antibacterial flame-retardant polyphenylacetylene combination and the preparation method and application thereof

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Application publication date: 20180501