CN1635034A - Multifunctional antibiotic powder paint and its preparation method - Google Patents

Multifunctional antibiotic powder paint and its preparation method Download PDF

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Publication number
CN1635034A
CN1635034A CN 200310122836 CN200310122836A CN1635034A CN 1635034 A CN1635034 A CN 1635034A CN 200310122836 CN200310122836 CN 200310122836 CN 200310122836 A CN200310122836 A CN 200310122836A CN 1635034 A CN1635034 A CN 1635034A
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Prior art keywords
powder coating
powder
tourmaline
nanometer silver
multifunctional antibiotic
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CN 200310122836
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陈少军
曾樑
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SHANGHAI LANGE SCIENTIFIC DEVELOPMENT Co Ltd
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SHANGHAI LANGE SCIENTIFIC DEVELOPMENT Co Ltd
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Priority to CN 200310122836 priority Critical patent/CN1635034A/en
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  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention provides a multifunctional antibiotic powder paint and its preparation method which comprises charging 1-6 wt. parts of nano silver asepsis antibacterial agent and 0.5-3 parts of tourmaline powder into 100 parts of powder form, stirring and dispersing for at least 30 minutes, then stirring at least 15 minutes with high speed mixing machine, the stirring temperature is not higher than 80 deg. C, nano silver inorganic antibacterial agent can also be charged during the production of powder.

Description

Multifunctional antibiotic powder coating and preparation method thereof
Technical field
The present invention relates to a kind of multifunctional antibiotic powder coating and preparation method thereof, specifically, relate to a kind of powder coating that contains nanometer silver inorganic antiseptic and tourmaline powder and preparation method thereof.
Background technology
Raising along with the environmentally safe consciousness of people, adopt solvent-free powder coating to come replace solvents type coating in the daily life in a large number, this can get rid of the pollution of a large amount of solvents to environment on the one hand, can improve again by spraying workpiece coating thickness and fastness, but it does not possess functions such as antibiotic.
Along with the development of society, adopting metal to make various apparatus increases year by year, as the handle of door, and the pull bar on automobile, the electric car, seat, various medical apparatus in the hospital, seat of public place of entertainment or the like.They always in the staff contact, because the people of contact is too many, are growing various deleterious bacteriums thereupon.Study carefully tens kinds at least of its bacterial classifications, at most the hundreds of kind.They are not spread in people's activity all the time.In order to reduce spreading of germ, condition city preferably adopts spray disinfectant agent or disinfectant that above-mentioned utensil is carried out disinfection, but this sterilization method all is of short duration, often sprays very trouble, and these medicaments are to how many toxic side effects all of human body.Therefore invent a kind of multifunctional antibiotic powder coating, with the method for electrostatic spraying, be sprayed on above-mentioned metalwork surface, compare low price than the stainless steels of a large amount of uses at present, and have the long acting antibiotic function and have and uninterruptedly discharge far infrared and the negative ion useful HUMAN HEALTH.Be of great practical significance
Summary of the invention
The objective of the invention is to prepare a kind of multi-functional powder coating that contains nanometer silver and Tourmaline powder.Adopt electrostatic painting process, make it be attached to the metallic surface of public arena, make these utensils have antibacterial long-acting, wide spectrum, effectively suppress bacterium and grow breeding, spread, uninterruptedly discharge far infrared and negative ion again the human body beneficial in these occasions.
The invention has the advantages that and had long-acting, broad-spectrum antibacterial function by the surface of spraying utensil or workpiece and uninterruptedly discharge far infrared and negative ion the human body beneficial, overcome and used the existing frequent sprinkling of sterilizing agent extremely to bother and the problem of environment toxic side effect, the bacteriostatic stainless steel is not cheap more than using for the cost of this spray piece, this spray material does not contain organic solvent, environmentally safe during use, waste of material is few, is a kind of environmental type novel material.
Embodiment
The present invention implements by following approach
With powder coating, nanometer silver inorganic antiseptic, Tourmaline powder, join uniform mixing in the spice machine in proportion.The spice time can be normal temperature, also can suitably heat, and top temperature is no more than 80 ℃, and spice time length is decided by equipment, uses low speed spice machine, and the spice time is no less than 30 minutes, and with high speed spice machine, the spice time is no more than 15 minutes.
Powder coating, nanometer silver inorganic antiseptic, Tourmaline powder adding proportion, by weight:
Powder coating 100
Nano silver antimicrobials 1-6
Tourmaline powder 0.5-3
Powder coating of the present invention mainly is the epoxy powder coating, also can be the polyester powder coating, polyester-Polyurethane powder coating or vinylformic acid powder coating.
Its fineness of nanometer silver inorganic antiseptic of the present invention is no less than 1000 orders.
Tourmaline powder of the present invention mainly is the swage Tourmaline, also can be lithium type Tourmaline, or magnesium type Tourmaline, and its fineness is less than 1500 orders.
Another implementation method of the present invention is when powder coating is made antiseptic-germicide and Tourmaline to be added, and is example to make antibiotic epoxy powder coating below:
Used Resins, epoxy is E 12Resins, epoxy, its Resins, epoxy ought heavily be 850-940 by weight; Resins, epoxy is 100, and solidifying agent adopts aminated compounds, also can use maleation cyclopentadiene or acid anhydrides, and consumption is 20.Weighting agent mainly is a barium sulfate, also can adopt lime carbonate, magnesium oxide, and consumption is 25, and curing catalyst is that dimethyl is narrowed azoles, and addition is 0.5, and other suitably add whitening agent, flow agent, pigment, st-yrax, photostabilizer.Nanometer silver inorganic antiseptic and Tourmaline addition are respectively 5 and 2.
Manufacturing process:
Above-mentioned material joins uniform mixing in the high speed spice machine in proportion, joins then to plastify in the screw extrusion press to extrude, and forcing machine charging opening temperature is 50-70 ℃, and the stage casing temperature is 100-120 ℃, and head is about 130 ℃.Screw speed is 50-60 rev/min, and material is extruded through forcing machine, cools off compressing tablet fast, sends to pulverizing, and fineness is controlled at about 600 orders, pack finished product multifunctional antibiotic powder coating.
The raw material of powder coating mixture of the present invention can also can oneself be made from market purchasing.The equipment that mixture mixes usefulness mainly is the spice machine, the spice machine can be the kneading machine that low speed is not heated, the also high-speed kneading machine that can not heat, make the multifunctional antibiotic powder coating with spice machine blending means, nanometer silver active unaffected, the method that adds when synthetic, the activity of nanometer silver has certain reduction.
Implement formula examples (by weight):
Figure A20031012283600061
Powder coating described in the prescription is the epoxy powder coating, also can be the polyester powder coating, polyester-Polyurethane powder coating, and the vinylformic acid powder coating selects for use the color and luster of powder coating to determine according to the user.
Nano silver antimicrobials described in the prescription is the agent of Attapulgite silver nano antibacterial, also can be Attapulgite silver, zinc nano antibacterial agent, and its fineness is less than 1000 orders.
Tourmaline described in the prescription is the swage Tourmaline, also can be lithium type Tourmaline or magnesium type Tourmaline, and its fineness is less than 1500 orders.
The preparation method of powder coating:
Embodiment 2 is an example
100 kilograms of epoxy powder coatings join among the high-speed kneading machine, take by weighing Attapulgite nanometer silver, 4 kilograms of zinc antiseptic-germicides (1200 order), join in the high-speed kneading machine, hotwire, rotating speed are 800 rev/mins, stop after 5 minutes stirring, add Tourmaline powder (1600 order), hotwire continues to stir 10 minutes, and temperature is about 60 ℃, stop to stir, emit packed for standby use.
Embodiment 3 is an example
Take by weighing 100 kilograms of polyester powder coatings, join among the kneading machine, take by weighing 5 kilograms of concavo-convex group nanometer silvers, join in the kneading machine, hotwire, the rotating speed kneading changes 1200, stops after 5 minutes stirring, and adds 1.5 kilograms of Tourmalines, hotwire, the rotating speed kneading stirred 10 minutes at 1000 rev/mins, stopped to stir the discharging packed for standby use.
Embodiment 1,4,5 technologies and roughly the same above-mentioned, difference are that epoxy powder powder coating batch mixing mixing speed is lower than 800 rev/mins, and other powder coating batch mixing rotating speed should be lower than 1200 rev/mins, and the material temperature all should be lower than 80 ℃.
The fungistatic effect of multi-functional powder coating and other performance
The test sample preparation
Get the thick aluminium sheet 200 * 400mm of 1mm, adopt electrostatic spraying, the multifunctional antibiotic powder coating is sprayed on surface of aluminum plate (two-sided spray), coat-thickness is 0.1mm, place 180 ℃ of baking ovens then, dry by the fire taking-up in 15 minutes, powder coating has been solidificated in and has formed a coating film above the aluminium sheet, spraying is mixed part and is cut into 10 * 10mm fritter then, and it is stand-by to take by weighing 2.5 grams.
Testing method:
Adopt shaking method, bacterial concentration is 1-2 * 10 in rocking bottle 5Cfu/mml, rocking temperature is 20 ℃, and shaking speed is 200 rev/mins, and the time of rocking is 4 hours.
Test result: to intestinal bacteria and streptococcus aureus bacteriostasis rate 〉=99%, (when promptly holding) can discharge far infrared and a large amount of negative ion that wavelength is 4-14 μ m incessantly under the pressured state that is heated simultaneously.

Claims (7)

1, a kind of multifunctional antibiotic powder coating is characterized in that having added in the powder coating nanometer silver inorganic antiseptic and Tourmaline powder, by weight, 100 parts of powder coatings, the nanometer silver inorganic antiseptic is 1-6 part, and the Tourmaline powder is 0.5-3 part, and the fineness of mixture is less than 600 orders.
2, multifunctional antibiotic powder coating as claimed in claim 1 is characterized in that described powder coating is the epoxy powder coating, polyester powder coating, polyester-Polyurethane powder coating or vinylformic acid powder coating.
3, multifunctional antibiotic powder coating as claimed in claim 1 is characterized in that described nanometer silver inorganic antiseptic is Attapulgite nanometer silver or Attapulgite nanometer silver/zinc inorganic antiseptic, and its fineness is less than 1000 orders.
4, multifunctional antibiotic powder coating as claimed in claim 1 is characterized in that described Tourmaline powder, mainly is the iron Tourmaline, also can be lithium Tourmaline or magnesium Tourmaline, and its fineness should be less than 1500 orders.
5, multifunctional antibiotic powder coating as claimed in claim 1, it is characterized in that powder coating, the nanometer silver inorganic antiseptic, the Tourmaline powder joins in the spice machine by formula rate and mixes and stirs, adopt low speed spice machine, the spice time is no less than 30 minutes, adopts high speed spice machine, the spice time is no more than 15 minutes, and the spice temperature is no more than 80 ℃.
6, multifunctional antibiotic powder coating as claimed in claim 1 is characterized in that the nanometer silver inorganic antiseptic, and the Tourmaline powder can add when making powder coating.
7, as claim 1,5,6 described multifunctional antibiotic split coating, can adopt electrostatic painting process when it is characterized in that using, be sprayed on hardware or the workpiece surface.
CN 200310122836 2003-12-26 2003-12-26 Multifunctional antibiotic powder paint and its preparation method Pending CN1635034A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100430097C (en) * 2005-07-21 2008-11-05 朱枫林 Multifunction negative ion colorless spray agent
CN100587014C (en) * 2007-05-31 2010-02-03 捷伟实业有限公司 Production method of active ecological paint
CN106497375A (en) * 2016-11-01 2017-03-15 宏岳塑胶集团股份有限公司 A kind of pipeline antimicrobial form antiwear powder paint and preparation method thereof
CN109169706A (en) * 2018-07-19 2019-01-11 大美泰康(天津)生态科技有限公司 Complex antimicrobials and antibacterial bacteriostatic type multifunctional inorganic ecologic coating obtained
CN111408531A (en) * 2020-03-24 2020-07-14 同曦集团有限公司 Antibacterial and antiviral aluminum alloy electrostatic powder spraying process
CN111748265A (en) * 2020-07-15 2020-10-09 美国维芙科技控股集团有限公司 Active antibacterial water-based epoxy seam beautifying agent capable of releasing negative ions

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100430097C (en) * 2005-07-21 2008-11-05 朱枫林 Multifunction negative ion colorless spray agent
CN100587014C (en) * 2007-05-31 2010-02-03 捷伟实业有限公司 Production method of active ecological paint
CN106497375A (en) * 2016-11-01 2017-03-15 宏岳塑胶集团股份有限公司 A kind of pipeline antimicrobial form antiwear powder paint and preparation method thereof
CN109169706A (en) * 2018-07-19 2019-01-11 大美泰康(天津)生态科技有限公司 Complex antimicrobials and antibacterial bacteriostatic type multifunctional inorganic ecologic coating obtained
CN111408531A (en) * 2020-03-24 2020-07-14 同曦集团有限公司 Antibacterial and antiviral aluminum alloy electrostatic powder spraying process
CN111748265A (en) * 2020-07-15 2020-10-09 美国维芙科技控股集团有限公司 Active antibacterial water-based epoxy seam beautifying agent capable of releasing negative ions

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