CN103435996B - Financial POS machine plastic casing of a kind of antibacterial antistatic and preparation method thereof - Google Patents

Financial POS machine plastic casing of a kind of antibacterial antistatic and preparation method thereof Download PDF

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Publication number
CN103435996B
CN103435996B CN201310347399.6A CN201310347399A CN103435996B CN 103435996 B CN103435996 B CN 103435996B CN 201310347399 A CN201310347399 A CN 201310347399A CN 103435996 B CN103435996 B CN 103435996B
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Prior art keywords
plastic casing
antibacterial
agent
antistatic
pos
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CN103435996A (en
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陈演光
林财
庄江平
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Fujian Landi Commercial Equipment Co Ltd
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Fujian Landi Commercial Equipment Co Ltd
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Priority to CN201310347399.6A priority Critical patent/CN103435996B/en
Publication of CN103435996A publication Critical patent/CN103435996A/en
Priority to PCT/CN2014/071686 priority patent/WO2015021757A1/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
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/015—Biocides
    • 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
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/017—Antistatic agents
    • 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
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • B29K2105/0011—Biocides

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Financial POS machine plastic casing that the present invention relates to a kind of antibacterial antistatic and preparation method thereof, the moiety of described POS plastic casing comprises: the synthetic resins of 95.8% ~ 96.8%, the glass carrier silver-based inorganic antibacterial agent of 0.5% ~ 1.0%, the polymer permanent antistatic agent of 2% ~ 2.5%, the antioxidant of 0.2%, the coupling agent of 0.5%.Its preparation method comprise dry expect, prepare burden in proportion, stir, granulation, injection moulding, thus obtain the POS plastic casing with antibacterial antistatic function.This POS plastic casing not only antibacterial, antistatic property good, and structure is simple, is easy to manufacture produce.

Description

Financial POS machine plastic casing of a kind of antibacterial antistatic and preparation method thereof
Technical field
Financial POS machine plastic casing that the present invention relates to a kind of antibacterial antistatic and preparation method thereof.
Background technology
At present, at the financial POS machine that medical institutions use, the frequency that its shell is contacted by user is very high, and mostly is patient in user, causes shell bacteria breed serious, becomes the propagating source of bacterium, finally have influence on the health of user.
Simultaneously, electrostatic to the harm of specific crowd more much larger than ordinary person, as persistent electrostatic can cause the pH value of blood of human body to raise, in urine, CaE amount increases, blood calcium reduces, maximum to the Health hazard of pregnant and lying-in women, electrostatic can cause progesterone level in pregnant and lying-in women's body and decline, and allows them easily feel tired, irritated and headache etc.; The elderly is more easily subject to the impact of electrostatic, and the old man of cardiovascular disorder can because electrostatic aggravates disease or brings out the irregular pulse such as ventricular premature contraction.
In hospital monitor and the requirement of shelter of EGC detecting Instrument to electrostatic higher, electrostatic can affect equipment Inspection result.
In sum, medical institutions use antibacterial, the antistatic property of POS to POS shell propose special requirement.
Summary of the invention
Financial POS machine plastic casing that the object of the present invention is to provide a kind of antibacterial antistatic and preparation method thereof, this POS plastic casing not only antibacterial, antistatic property good, and structure is simple, is easy to manufacture produce.
For achieving the above object, technical scheme of the present invention is: a kind of financial POS machine plastic casing of antibacterial antistatic, its moiety comprises: the synthetic resins of 95.8% ~ 96.8%, the glass carrier silver-based inorganic antibacterial agent of 0.5% ~ 1.0%, the polymer permanent antistatic agent of 2% ~ 2.5%, the antioxidant of 0.2%, the coupling agent of 0.5%.
In an embodiment of the present invention, the moiety of described POS plastic casing comprises: the synthetic resins PC+ABS raw material of 95.9%, the glass carrier silver-based inorganic antibacterial agent of 0.9%, the polymer permanent antistatic agent of 2.5%, the antioxidant of 0.2%, the coupling agent of 0.5%.
In an embodiment of the present invention, the moiety of described POS plastic casing comprises: the synthetic resins ABS raw material of 96.5%, the glass carrier silver-based inorganic antibacterial agent of 0.8%, the polymer permanent antistatic agent of 2%, the antioxidant of 0.2%, the coupling agent of 0.5%.
Present invention also offers the preparation method of the financial POS machine plastic casing of above-mentioned antibacterial antistatic, comprise the following steps:
(1) fully polymer permanent antistatic agent is dried;
(2) prepare burden: the constitutive material by POS plastic casing described in following proportions: the synthetic resins of 95.8% ~ 96.8%, the glass carrier silver-based inorganic antibacterial agent of 0.5% ~ 1.0%, the polymer permanent antistatic agent of 2% ~ 2.5%, the antioxidant of 0.2%, the coupling agent of 0.5%;
(3) stir: the above-mentioned constitutive material prepared in proportion is stirred by high mixer in the temperature range of 190 DEG C ~ 230 DEG C;
(4) granulation: the above-mentioned constitutive material stirred is extruded by tablets press, dries up through overcooling, last pelletizing, the plastic matrix of obtained antibacterial antistatic;
(5) injection moulding: by obtained plastic master batch, set various molding parameter according to base material, utilize mould by injection moulding machine injection moulding, the POS plastic casing of obtained antibacterial antistatic.
Compared to prior art, the invention has the beneficial effects as follows:
1) there is antibacterial, all bacteriums and mould are killed, restraining effect, antibiotic rate > 90%, particularly to streptococcus aureus and colibacillary antibacterial effect more than 99%, thus the growing of effective anti-bacteria, avoid POS to become the propagating source of bacterium, and any adverse side effect can not be produced for user.
2) have anti-static function, surface resistivity reaches 10 9~ 10 11, the effective accumulation suppressing electrostatic.
3) raw material adds easy to prepare, and proper scaleization is produced in enormous quantities, and plastic casing sterilization, antistatic effect be light, heat collapse and nondiscoloration not, and its top layer all possesses same antibacterial, antistatic property to inner, and the lasting period is consistent with the Products Design life-span.
Accompanying drawing explanation
Fig. 1 is the moiety schematic diagram of the POS plastic casing of the embodiment of the present invention.
Embodiment
The present invention has the financial POS machine plastic casing of antibacterial antistatic function, its moiety comprises: the synthetic resins (ABS or PC+ABS raw material) of 95.8% ~ 96.8%, the glass carrier silver-based inorganic antibacterial agent of 0.5% ~ 1.0%, the polymer permanent antistatic agent of 2% ~ 2.5%, the antioxidant of 0.2%, the coupling agent of 0.5%.Above-mentioned constitutive material obtains POS plastic casing finished product by following concrete steps, this POS plastic casing finished product utilizes antiseptic-germicide micro-slowly-releasing lasting in shell and plays antibacterial effect, and the ASA coating of surperficial affine water-based effectively suppresses the accumulation of electrostatic simultaneously.
The financial POS machine plastic casing of antibacterial antistatic of the present invention, is prepared as follows:
(1) fully dry polymer permanent antistatic agent, dry 4 hours in the drying machine of design temperature 70 ~ 80 DEG C.This step can be avoided causing the antistatic property of goods to decline because static inhibitor absorbs moisture in granulation process.
(2) prepare burden: the constitutive material by POS plastic casing described in following proportions: the synthetic resins (ABS or PC+ABS raw material) of 95.8% ~ 96.8%, the glass carrier silver-based inorganic antibacterial agent of 0.5% ~ 1.0%, the polymer permanent antistatic agent of 2% ~ 2.5%, the antioxidant of 0.2%, the coupling agent of 0.5%.
(3) stir: the above-mentioned constitutive material prepared in proportion is stirred by high mixer in the temperature range of 190 DEG C ~ 230 DEG C.
(4) granulation: extruded by dual-screw pelletizer by the above-mentioned constitutive material stirred, is dried up through cooling trough and hair dryer cooling, last pelletizing, the plastic matrix of obtained antibacterial antistatic.
(5) injection moulding: by obtained plastic master batch, according to various molding parameters such as base material setting mould temperature, pressure, times, utilizes mould by injection moulding machine injection moulding, the POS plastic casing of obtained antibacterial antistatic.
Anti-microbial property of the present invention is realized by glass carrier silver-based inorganic antibacterial agent:
The antibacterial ability of silver ions is known, and the chemical structure of silver determines silver and has higher catalytic capability, and the reduction potential of high oxidation state silver is high, is enough to make its surrounding space produce atomic oxygen.Atomic oxygen has strong oxidizing property can sterilizing, and Ag+ can attract the sulfydryl (-SH) in bacterial body on proteolytic enzyme consumingly, rapidly together with it, makes proteolytic enzyme loss of activity, causes bacterial death.After bacterium is killed by Ag+, Ag+ dissociates out by bacterium corpse again, then contacts with other bacterium colony, and carry out said process again and again, this is also the persistent reason of silver-colored sterilization.
And the glass material that to be chemical stability fabulous, glass can be used as carrier to load metal ion, by there is antibacterial silver with the form appendix of silver ions in glass structure, silver ions stripping along with the dissolving of glass, thus make bill of material reveal anti-microbial property.
Below the test result that POS plastic casing adds the anti-microbial property that the antiseptic-germicide of different ratios obtains:
To colibacillary test result:
Test result to streptococcus aureus:
Static resistance of the present invention realizes by static inhibitor:
Polymer permanent antistatic agent belongs to hydrophilic polymer.After itself and macromolecule matrix are blended, the motor capacity on the one hand due to its molecular chain is comparatively strong, and intermolecular proton of being convenient to moves, and is conducted and discharged the static charge produced by ionic conduction; On the other hand, antistatic effect is embodied by its special dispersing morphology.Polymer permanent antistatic agent is mainly fine stratiform or the distribution of muscle shape at article topsheet, forms electroconductibility top layer, and at centre portions almost in spherical distribution, is formed so-called " core shell structure ", and leak static charge as path.Because polymer permanent antistatic agent reduces material volume resistivity to reach antistatic effect, not exclusively rely on water absorbent surface, so smaller by the humidity effect of environment.
Below the test result that POS plastic casing adds the antistatic property that the static inhibitor of different ratios obtains:
Below by specific embodiment, the present invention is further illustrated.
Embodiment 1:
(1) dry material: static inhibitor is first fully dried before interpolation, dry 4 hours in the drying machine of design temperature 70 ~ 80 DEG C.
(2) prepare burden: by following proportions: the synthetic resins PC+ABS raw material of 95.9%, the glass carrier silver-based inorganic antibacterial agent of 0.9%, the polymer permanent antistatic agent of 2.5%, the antioxidant of 0.2%, the coupling agent of 0.5%.
(3) stir: the batching be mixed in proportion is stirred by high mixer in the temperature range of 190 DEG C ~ 230 DEG C.
(4) granulation: extruded by dual-screw pelletizer, through cooling trough and hair dryer, last pelletizing, can obtain the plastic matrix with antibacterial antistatic.
(5) injection moulding: by obtained plastic master batch, according to various molding parameters such as base material setting mould temperature, pressure, times, utilizes mould by injection moulding machine injection moulding, i.e. the obtained POS plastic casing with antibacterial antistatic.
Embodiment 2:
(1) dry material: static inhibitor is first fully dried before interpolation, dry 4 hours in the drying machine of design temperature 70 ~ 80 DEG C.
(2) prepare burden: by following proportions: the synthetic resins ABS raw material of 96.5%, the glass carrier silver-based inorganic antibacterial agent of 0.8%, the polymer permanent antistatic agent of 2%, the antioxidant of 0.2%, the coupling agent of 0.5%.
(3) stir: the batching be mixed in proportion is stirred by high mixer in the temperature range of 190 DEG C ~ 230 DEG C.
(4) granulation: extruded by dual-screw pelletizer, through cooling trough and hair dryer, last pelletizing, can obtain the plastic matrix with antibacterial antistatic.
(5) injection moulding: by obtained plastic master batch, according to various molding parameters such as base material setting mould temperature, pressure, times, utilizes mould by injection moulding machine injection moulding, i.e. the obtained POS plastic casing with antibacterial antistatic.
Major advantage of the present invention:
1, the inorganic antiseptic that the antibacterial casing plastic of known electronic product is selected is all then Zeolite support, although the germ resistance of glass carrier is not enough Zeolite support, but the stability of glass carrier and long-lasting best, extremely strong antibacterial effect can be reached equally controlling well under the condition of adding proportion, therefore preferred glass carrier silver-based inorganic antibacterial agent of the present invention.
Wherein the optimization of antiseptic-germicide is 0.9%, and the proportional range of more used than the external world 0.5 ~ 1.5% is more accurate, the Costco Wholesale that effective control antiseptic-germicide raw material is relatively costly.
2, polymer permanent antistatic agent is hydrophilic polymer, can hydrophobic property polymkeric substance permanence antistatic performance, but does not substantially affect other character, and this is the advantage not available for other properties-correcting agent.It reaches antistatic effect to reduce material volume resistivity, not exclusively relies on water absorbent surface, so smaller by the humidity effect of environment.And other type static inhibitor needs when extraneous ambient moisture is high, the water-absorbent of static inhibitor molecule is stronger, and antistatic property is just more remarkable.Therefore the polymer permanent antistatic agent of the preferred stability of the present invention and long-lasting the best.
3, add antiseptic-germicide and static inhibitor simultaneously, the physical property of former base material (ABS or PC+ABS) is not much affected, finished product process is vibrated, fall, high/low temperature circulates, anti-aging experiment test all keeps normal non-defective unit state.
Be more than preferred embodiment of the present invention, all changes done according to technical solution of the present invention, when the function produced does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.

Claims (4)

1. the financial POS machine plastic casing of an antibacterial antistatic, it is characterized in that, the moiety of described POS plastic casing comprises: the synthetic resins of 95.8% ~ 96.8%, the glass carrier silver-based inorganic antibacterial agent of 0.5% ~ 1.0%, the polymer permanent antistatic agent of 2% ~ 2.5%, the antioxidant of 0.2%, the coupling agent of 0.5%; Described synthetic resins is ABS or PC+ABS.
2. the financial POS machine plastic casing of a kind of antibacterial antistatic according to claim 1, it is characterized in that, the moiety of described POS plastic casing comprises: the synthetic resins PC+ABS raw material of 95.9%, the glass carrier silver-based inorganic antibacterial agent of 0.9%, the polymer permanent antistatic agent of 2.5%, the antioxidant of 0.2%, the coupling agent of 0.5%.
3. the financial POS machine plastic casing of a kind of antibacterial antistatic according to claim 1, it is characterized in that, the moiety of described POS plastic casing comprises: the synthetic resins ABS raw material of 96.5%, the glass carrier silver-based inorganic antibacterial agent of 0.8%, the polymer permanent antistatic agent of 2%, the antioxidant of 0.2%, the coupling agent of 0.5%.
4. the preparation method of the financial POS machine plastic casing of a kind of antibacterial antistatic according to claim 1, is characterized in that, comprise the following steps:
(1) fully polymer permanent antistatic agent is dried;
(2) prepare burden: the constitutive material by POS plastic casing described in following proportions: the synthetic resins of 95.8% ~ 96.8%, the glass carrier silver-based inorganic antibacterial agent of 0.5% ~ 1.0%, the polymer permanent antistatic agent of 2% ~ 2.5%, the antioxidant of 0.2%, the coupling agent of 0.5%; Described synthetic resins is ABS or PC+ABS;
(3) stir: the above-mentioned constitutive material prepared in proportion is stirred by high mixer in the temperature range of 190 DEG C ~ 230 DEG C;
(4) granulation: the above-mentioned constitutive material stirred is extruded by tablets press, dries up through overcooling, last pelletizing, the plastic matrix of obtained antibacterial antistatic;
(5) injection moulding: by obtained plastic master batch, set various molding parameter according to base material, utilize mould by injection moulding machine injection moulding, the POS plastic casing of obtained antibacterial antistatic.
CN201310347399.6A 2013-08-10 2013-08-10 Financial POS machine plastic casing of a kind of antibacterial antistatic and preparation method thereof Active CN103435996B (en)

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CN201310347399.6A CN103435996B (en) 2013-08-10 2013-08-10 Financial POS machine plastic casing of a kind of antibacterial antistatic and preparation method thereof
PCT/CN2014/071686 WO2015021757A1 (en) 2013-08-10 2014-01-28 Antibacterial antistatic plastic casing for financial pos device, and preparation method thereof

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Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
CN103435996B (en) * 2013-08-10 2016-03-23 福建联迪商用设备有限公司 Financial POS machine plastic casing of a kind of antibacterial antistatic and preparation method thereof
CN104513469A (en) * 2014-11-26 2015-04-15 苏州新区佳合塑胶有限公司 Antistatic antibacterial PC (polycarbonate)/ABS (acrylonitrile-butadiene-styrene copolymer) composite material
CN107325516A (en) * 2017-07-12 2017-11-07 合肥展游软件开发有限公司 A kind of manufacturing process of router cover
CN111087749A (en) * 2019-12-28 2020-05-01 会通新材料股份有限公司 Permanent antibacterial antistatic ABS alloy material and preparation method and application thereof
CN113492487A (en) * 2021-07-13 2021-10-12 漳州市品源塑胶模具有限公司 Manufacturing method of plastic composite shell of medical electronic product

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