CN102040776A - Antibacterial polypropylene material and preparation method thereof - Google Patents
Antibacterial polypropylene material and preparation method thereof Download PDFInfo
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- CN102040776A CN102040776A CN2010106146282A CN201010614628A CN102040776A CN 102040776 A CN102040776 A CN 102040776A CN 2010106146282 A CN2010106146282 A CN 2010106146282A CN 201010614628 A CN201010614628 A CN 201010614628A CN 102040776 A CN102040776 A CN 102040776A
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Abstract
The invention provides an antibacterial polypropylene material, comprising the following components in percentage by weight: 64.0-43.6% of polypropylene, 30.0-50.0% of barium sulfate master batch, 5.0% of antibacterial master batch, 0.3% of white oil, 0.2-0.4% of dispersing agent, 0.3% of nucleating agent and 0.2-0.4% of antioxidant. The invention further provides a preparation method of the antibacterial polypropylene material. The surface of the antibacterial polypropylene material is in high glossy effect, the price of the antibacterial polypropylene material has competitive advantages as compared with other materials, and simultaneously, the antibacterial polypropylene material has the antibacterial effect and meets the healthy and environmental friendly life idea of modern people.
Description
Technical field
The invention belongs to the polymer modification technical field, be specifically related to a kind of antibacterial polypropylene material and preparation method thereof.
Background technology
Along with the raising of people's living standard, the enhancing of antibiotic consciousness, anti-biotic material is more and more used, especially in field of household appliances.Because of acrylonitrile-butadiene-styrene copolymer (ABS) material surface glossiness is good, present most of small household appliances adopt its preparation, but cost is higher relatively.
Polypropylene has that production cost is low, and comprehensive mechanical property is good, nontoxic, light weight, corrosion-resistant, be easy to characteristics such as processing and recovery, therefore obtained using widely.But, the polypropylene tarnish, easy by various unwanted bacterias polluted the same with other plastics, under the situation that humidity is fit to, easier breeding bacterium.Can head it off by adding the antiseptic-germicide modified polypropene.Plastic antimicrobial agent organic antibacterial agent and inorganic antiseptic two classes commonly used at present.Organic antibacterial agent mainly contains ethers, phenol, biphenyl ethers, quaternary ammonium salt, thiazole compound etc., be characterized in that sterilization speed is fast, has a broad antifungal spectrum, but resistance toheat is poor, and antibiotic validity period is short.Inorganic antiseptic is mainly silver, zinc plasma and compound or complex compound, is characterized in good heat resistance, and has a broad antifungal spectrum is safe, and antibiotic validity period is long etc.But the silver-series antibacterial agent colour stability is poor, meeting variable color in the use, and the antimicrobial component in the polypropylene is uniformly dispersed, antibacterial effect can not be lasting.
Summary of the invention
In view of this, provide a kind of antibacterial polypropylene material and preparation method thereof, be intended to solve the problem of polypropylene material low in glossiness, easy endophytic bacteria.
A kind of antibacterial polypropylene material, it comprises the following component according to weight percent:
Polypropylene 64.0-43.6%;
Barium sulfate master batch 30.0-50.0%;
Antibacterial matrices 5.0%;
White oil 0.3%;
Dispersion agent 0.2-0.4%;
Nucleator 0.3%;
Oxidation inhibitor 0.2-0.4%.
And, a kind of preparation method of antibacterial polypropylene material, it comprises the steps:
Choose raw material according to weight percent, described raw material comprises polypropylene 64.0-43.6%, barium sulfate master batch 30.0-50.0%, antibacterial matrices 5.0%, white oil 0.3%, dispersion agent 0.2-0.4%, nucleator 0.3%, oxidation inhibitor 0.2-0.4%.
With described raw material mix mixing raw material;
Above-mentioned mixing raw material is extruded, and granulation obtains described antibacterial polypropylene material.
The antibacterial polypropylene material of the embodiment of the invention, have high-gloss surface and anti-microbial effect simultaneously, this material can partly substitute existing application in the ABS of small household appliances material, can reach the high-gloss surface effect, price is than ABS competitive superiority more, also have the antimicrobial effect simultaneously, more meet the life idea of modern's health environment-friendly.
Description of drawings
Fig. 1 is preparation method's schema of the antibacterial polypropylene material of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The antibacterial polypropylene material of the embodiment of the invention, it comprises the following component according to weight percent:
Polypropylene 64.0-43.6%;
Barium sulfate master batch 30.0-50.0%;
Antibacterial matrices 5.0%;
White oil 0.3%;
Dispersion agent 0.2-0.4%;
Nucleator 0.3%;
Oxidation inhibitor 0.2-0.4%.
Preferably, described polypropylene is the homo-polypropylene of melt flow rate (MFR) greater than 15g/10min, and its melt flow rate (MFR) is according to the ASTMD-1238 standard testing.
Described barium sulfate master batch is that barium sulfate content is 90% master batch.
Described antibacterial matrices is the nanometer silver antimicrobial master batch.
Particularly, described dispersion agent is an amides high-performance lubrication dispersing agent.Dispersion agent can be adsorbed in the surface of solid particulate, and it is moistening that the solid particles surface of cohesion is easy to, and forms adsorption layer on the surface of solid particulate, and the electric charge of solid particles surface is increased, and improves the intergranular reactive force that forms steric hindrance; In addition, it can also make solid particle surfaces form the bilayer structure, and outer dispersion agent polar end and water have than strong affinity, have increased solids by the degree of water-wet, between the solid particulate because of electrostatic repulsion away from; At last, dispersion agent can also make system even, and suspension property increases, and does not precipitate, and makes whole system physico-chemical property the same.
Described nucleator is the glucitols nucleator.Polypropylene is along the surface epitaxy of glucitols nucleator, the glucitols nucleator can be accelerated a melt polypropylene trackless ball of string and have stabilization to the spirane structure transformation and to spirane structure, has stronger Van der Waals force between sorbyl alcohol nucleator and the polypropylene spirane structure, improve the crystalling propylene performance, improve polyacrylic transparency and glossiness.
Oxidation inhibitor consumption difference, also different to the influence of polypropylene antioxygen property.Along with the increase of oxidation inhibitor consumption, the polypropylene antioxidant property improves, but surpasses when a certain amount of, and the polypropylene antioxidant property increases not obvious.So should adopt an amount of oxidation inhibitor, to reach best antioxidant effect.Preferably, described oxidation inhibitor by four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol esters and tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester by weight 1: (1～3) is composite to be obtained.Hinered phenols antioxidant cooperates the composite antioxidant of forming with the ester kind antioxidant, has good collaborative stabilising effect, select follow-up suitable extrusion temperature, adopt the hybrid mode of oxidation inhibitor masterbatch, can improve polyacrylic anti-degradation effect, resistance toheat and processing stability.
See also Fig. 1, show the preparation method of the antibacterial polypropylene material of the embodiment of the invention, this method comprises the steps:
S01: choose raw material according to weight proportion, described raw material polypropylene 64.0-43.6%, barium sulfate master batch 30.0-50.0%, antibacterial matrices 5.0%, white oil 0.3%, dispersion agent 0.2-0.4%, nucleator 0.3%, oxidation inhibitor 0.2-0.4%;
S02: with described raw material mix mixing raw material;
S03: above-mentioned mixing raw material is extruded, and granulation obtains described antibacterial polypropylene material.
Among the step S01, all material weighings are accurate, are accurate to 0.001 kilogram, put into corresponding material bag and carry out sign.
Step S02 is specially, and each load weighted raw material is added in the slow-speed mixer, and thorough mixing 3～5min gets mixing raw material.
Among the step S03, mixing raw material is melt extruded granulation.The preferred twin screw extruder that adopts is extruded.This mixture temperature of each section in twin screw extruder is preferably respectively: 200～205 ℃ of district's feeding section temperature, and two districts compression section temperature is 210～215 ℃, 215～220 ℃ of three district's metering zone temperature, 215～220 ℃ of four district's head temperatures; The residence time 3～4min, pressure are 12～18MPa.
Below embodiment by concrete prescription and preparation method above-mentioned antibacterial polypropylene material and preparation method thereof is described.
Embodiment 1:
The component of the antibacterial polypropylene material of present embodiment and weight percentage thereof are:
Polypropylene 64%;
Barium sulfate master batch 30.0%;
Antibacterial matrices 5%;
White oil 0.3%;
Dispersion agent 0.2%;
Nucleator 0.3%;
Oxidation inhibitor 0.2%.
Wherein, polypropylene is the PP V30G of Maoming petrochemical industry; Antibacterial matrices is the nanometer silver antimicrobial master batch, nontoxic nonirritant, and addition can reach 99% at 5% o'clock antibiotic rate; The barium sulfate content of barium sulfate master batch reaches 90%; Dispersion agent is TAS-2A; Nucleator is a Sorbic Acid nucleator 390; Oxidation inhibitor is four [3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphites (2,4-di-t-butyl phenyl ester), selects for use Ciba company to produce, and trade names are respectively Irganox1010 and Irganox168.
Above-mentioned material is joined in the slow-speed mixer, and thorough mixing 3min joins the material that mixes in the hopper of twin screw extruder again, each heating region temperature setting of screw rod is set is respectively: district's temperature: 200 ℃; Two districts: 215 ℃; Three districts: 220 ℃; Four districts: 225 ℃; Head: 220 ℃; Residence time 3min.Pressure is 15MPa.Through melt blending, extruding pelletization gets antibacterial polypropylene material.
Embodiment 2:
The component of the antibacterial polypropylene material of present embodiment and weight percentage thereof are:
Polypropylene 53.8%;
Barium sulfate master batch 40.0%;
Antibacterial matrices 5%;
White oil 0.3%;
Dispersion agent 0.3%;
Nucleator 0.3%;
Oxidation inhibitor 0.3%.
Wherein, polypropylene is the PP V30G of Maoming petrochemical industry; Antibacterial matrices is the nanometer silver antimicrobial master batch, nontoxic nonirritant, and addition can reach 99% at 5% o'clock antibiotic rate; The barium sulfate content of barium sulfate master batch reaches 90%; Dispersion agent is TAS-2A; Nucleator is a Sorbic Acid nucleator 390; Oxidation inhibitor is four [3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphites (2,4-di-t-butyl phenyl ester), selects for use Ciba company to produce, and trade names are respectively Irganox1010 and Irganox168.
Above-mentioned material is joined in the slow-speed mixer, and thorough mixing 3min joins the material that mixes in the hopper of twin screw extruder again, each heating region temperature setting of screw rod is set is respectively: district's temperature: 205 ℃; Two districts: 215 ℃; Three districts: 220 ℃; Four districts: 225 ℃; Head: 220 ℃; Residence time 4min.Pressure is 15MPa.Through melt blending, extruding pelletization gets antibacterial polypropylene material.
Embodiment 3:
The component of the antibacterial polypropylene material of present embodiment and weight percentage thereof are:
Polypropylene 43.6%;
Barium sulfate master batch 50.0%;
Antibacterial matrices 5%;
White oil 0.3%;
Dispersion agent 0.4%;
Nucleator 0.3%;
Oxidation inhibitor 0.4%.
Wherein, polypropylene is the PP V30G of Maoming petrochemical industry; Antibacterial matrices is the nanometer silver antimicrobial master batch, nontoxic nonirritant, and addition can reach 99% at 5% o'clock antibiotic rate; The barium sulfate content of barium sulfate master batch reaches 90%; Dispersion agent is TAS-2A; Nucleator is a Sorbic Acid nucleator 390; Oxidation inhibitor is four [3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphites (2,4-di-t-butyl phenyl ester), selects for use Ciba company to produce, and trade names are respectively Irganox1010 and Irganox168.
Above-mentioned material is joined in the slow-speed mixer, and thorough mixing 5min joins the material that mixes in the hopper of twin screw extruder again, each heating region temperature setting of screw rod is set is respectively: district's temperature: 205 ℃; Two districts: 210 ℃; Three districts: 215 ℃; Four districts: 225 ℃; Head: 220 ℃; Residence time 4min.Pressure is 15MPa.Through melt blending, extruding pelletization gets antibacterial polypropylene material.
Performance test:
The antibacterial polypropylene material that embodiment 1 to embodiment 3 is obtained carries out performance test.
Wherein, tensile strength is tested by ASTM D-638 standard.Specimen types is the I type, batten size (mm): (176 ± 2) (length) * (12.6 ± 0.2) (end width) * (3.05 ± 0.2) (thickness), draw speed is 50mm/min.
The socle girder notched Izod impact strength is tested by ASTM D-256 standard.Specimen types is the I type, specimen size (mm): (63 ± 2) * (12.45 ± 0.2) * (3.1 ± 0.2);
Anti-microbial property detects with reference to the light industry standard QB/T2591-2003 of People's Republic of China (PRC) film applicator coating, investigates the bacteriostasis rate of sample 24h, and the mensuration of total number of bacterial colony is counted with reference to GB/T4789.2-2003.The antibiotic model of injection formed is made 50mm * 50mm.The calculating formula of antibiotic rate is as follows:
R(％)＝(B-C)/B×100
In the formula: R-antibiotic rate, %;
B-blank sample average reclaims bacterium number, cfu/ sheet;
C-antibiotic plastic sample average reclaims bacterium number, cfu/ sheet.
Melting index is tested according to ASTM D1238.
Embodiment 1 to embodiment 3 prescription and material property see Table 1:
Table 1
As can be seen from Table 1, polypropylene, barium sulfate master batch, when the content of dispersion agent and oxidation inhibitor changed within the scope of the present invention, the shock strength of the antibacterial polypropylene material that obtains, molten value, stretching and flexural strength and glossiness all had corresponding variation.Comprehensive cost and performance consider that the antibacterial polypropylene material surface gloss and the anti-microbial property that make among the embodiment 2 are all relatively good, and stretching and impact property are all relatively good comparatively speaking.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an antibacterial polypropylene material is characterized in that, it comprises the following component according to weight percent:
Polypropylene 64.0-43.6%;
Barium sulfate master batch 30.0-50.0%;
Antibacterial matrices 5.0%;
White oil 0.3%;
Dispersion agent 0.2-0.4%;
Nucleator 0.3%;
Oxidation inhibitor 0.2-0.4%.
2. antibacterial polypropylene material as claimed in claim 1 is characterized in that, described polypropylene is the homopolymer polypropylene of melt flow rate (MFR) greater than 15g/10min.
3. antibacterial polypropylene material as claimed in claim 1 is characterized in that, the weight percent of barium sulfate is 90% in the described barium sulfate master batch.
4. antibacterial polypropylene material as claimed in claim 1 is characterized in that, described antibacterial matrices is the nanometer silver antimicrobial master batch.
5. antibacterial polypropylene material as claimed in claim 1 is characterized in that, described dispersion agent is an amides high-performance lubrication dispersing agent.
6. antibacterial polypropylene material as claimed in claim 1 is characterized in that, described nucleator is the glucitols nucleator.
7. antibacterial polypropylene material as claimed in claim 1, it is characterized in that, described oxidation inhibitor is 1～1/3 composite obtaining by four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol esters and tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester according to by weight ratio.
8. antibacterial polypropylene material as claimed in claim 1 is characterized in that, described antibacterial polypropylene material comprises the following component of weight percent:
Polypropylene 53.8%;
Barium sulfate master batch 40%;
Antibacterial matrices 5.0%;
White oil 0.3%;
Dispersion agent 0.3%;
Nucleator 0.3%;
Oxidation inhibitor 0.3%.
9. the preparation method of an antibacterial polypropylene material, it comprises the steps:
Choose raw material according to weight percent, described raw material comprises polypropylene 64.0-43.6%, barium sulfate master batch 30.0-50.0%, antibacterial matrices 5.0%, white oil 0.3%, dispersion agent 0.2-0.4%, nucleator 0.3%, oxidation inhibitor 0.2-0.4%;
With described raw material mix mixing raw material;
Above-mentioned mixing raw material is extruded, and granulation obtains described antibacterial polypropylene material.
10. antibacterial polypropylene material as claimed in claim 9 is characterized in that, described extruding is to adopt twin screw extruder to extrude, described twin screw extruder each section be set to: district's feeding section temperature is 205 ℃; Two districts compression section temperature is 215 ℃; Three district's metering zone temperature are 220 ℃; Four district's head temperatures are 225 ℃; Head: 220 ℃; Residence time 4min, pressure are 15Mpa.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276916A (en) * | 2011-07-26 | 2011-12-14 | 成都市新津事丰医疗器械有限公司 | High-gloss polypropylene material |
| CN102344607A (en) * | 2011-05-31 | 2012-02-08 | 深圳市科聚新材料有限公司 | Hardened antibiotic polypropylene material and preparation method thereof |
| CN102367307A (en) * | 2011-05-31 | 2012-03-07 | 深圳市科聚新材料有限公司 | Filler modified PP (polypropylene) and its preparation method |
| CN102797113A (en) * | 2012-08-09 | 2012-11-28 | 深圳市中纺滤材无纺布有限公司 | Production method of non-woven fabric wet curtain and non-woven fabric wet curtain |
| CN103552326A (en) * | 2013-10-28 | 2014-02-05 | 深圳市中纺滤材无纺布有限公司 | Multifunctional wet curtain with sterilization, deodorization and formaldehyde-removing functions, and processing method thereof |
| CN103772807A (en) * | 2012-10-25 | 2014-05-07 | 黑龙江鑫达企业集团有限公司 | Preparation method of anti-bacterial and hydrophilic polypropylene granules |
| CN104725723A (en) * | 2015-03-23 | 2015-06-24 | 佛山市顺德区美的洗涤电器制造有限公司 | Long-acting antibacterial and mildew-proof PP composite material, preparation method thereof and dishwasher |
| CN106674743A (en) * | 2016-12-26 | 2017-05-17 | 安徽元通采暖科技有限公司 | Antibacterial bedside table face plate for hospital, and processing method of antibacterial bedside table face plate |
| CN106867102A (en) * | 2017-01-20 | 2017-06-20 | 泰州艳阳天塑料科技有限公司 | A kind of low absorption, high temperature resist sagging, the transparent PP biomaterial of antibacterial and preparation method thereof |
| CN108250578A (en) * | 2018-01-28 | 2018-07-06 | 段宝荣 | A kind of environmental protection, nontoxic durable antibiotic polypropylene material |
| CN108276674A (en) * | 2018-01-28 | 2018-07-13 | 段宝荣 | A kind of environment-friendly antibacterial polypropylene material and preparation method thereof |
| CN111944237A (en) * | 2020-08-17 | 2020-11-17 | 成都金发科技新材料有限公司 | Anti-virus and low-haze automotive interior polypropylene material and preparation method thereof |
| CN114015155A (en) * | 2021-11-10 | 2022-02-08 | 暨南大学 | Polypropylene material and application thereof in preparation of bagging for preventing cancer cell diffusion |
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| CN1580114A (en) * | 2003-08-13 | 2005-02-16 | 陈卫国 | High-lustre antibacterial polypropylene material and its manufacturing method |
| CN101089038A (en) * | 2007-06-08 | 2007-12-19 | 深圳市科聚新材料有限公司 | Antibacterial polypropylene material and its prepn process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102344607A (en) * | 2011-05-31 | 2012-02-08 | 深圳市科聚新材料有限公司 | Hardened antibiotic polypropylene material and preparation method thereof |
| CN102367307A (en) * | 2011-05-31 | 2012-03-07 | 深圳市科聚新材料有限公司 | Filler modified PP (polypropylene) and its preparation method |
| CN102344607B (en) * | 2011-05-31 | 2013-07-17 | 深圳市科聚新材料有限公司 | Hardened antibiotic polypropylene material and preparation method thereof |
| CN102276916B (en) * | 2011-07-26 | 2014-03-26 | 成都市新津事丰医疗器械有限公司 | High-gloss polypropylene material |
| CN102276916A (en) * | 2011-07-26 | 2011-12-14 | 成都市新津事丰医疗器械有限公司 | High-gloss polypropylene material |
| CN102797113A (en) * | 2012-08-09 | 2012-11-28 | 深圳市中纺滤材无纺布有限公司 | Production method of non-woven fabric wet curtain and non-woven fabric wet curtain |
| CN103772807B (en) * | 2012-10-25 | 2016-03-23 | 黑龙江鑫达企业集团有限公司 | A kind of preparation method of antibacterial, hydrophilic polypropylene particle |
| CN103772807A (en) * | 2012-10-25 | 2014-05-07 | 黑龙江鑫达企业集团有限公司 | Preparation method of anti-bacterial and hydrophilic polypropylene granules |
| CN103552326A (en) * | 2013-10-28 | 2014-02-05 | 深圳市中纺滤材无纺布有限公司 | Multifunctional wet curtain with sterilization, deodorization and formaldehyde-removing functions, and processing method thereof |
| CN103552326B (en) * | 2013-10-28 | 2015-11-04 | 深圳市中纺滤材无纺布有限公司 | A kind of have multifunctional wet curtain and the processing method thereof that deodorization and sterilization goes formaldehyde effect |
| CN104725723A (en) * | 2015-03-23 | 2015-06-24 | 佛山市顺德区美的洗涤电器制造有限公司 | Long-acting antibacterial and mildew-proof PP composite material, preparation method thereof and dishwasher |
| CN106674743A (en) * | 2016-12-26 | 2017-05-17 | 安徽元通采暖科技有限公司 | Antibacterial bedside table face plate for hospital, and processing method of antibacterial bedside table face plate |
| CN106867102A (en) * | 2017-01-20 | 2017-06-20 | 泰州艳阳天塑料科技有限公司 | A kind of low absorption, high temperature resist sagging, the transparent PP biomaterial of antibacterial and preparation method thereof |
| CN108250578A (en) * | 2018-01-28 | 2018-07-06 | 段宝荣 | A kind of environmental protection, nontoxic durable antibiotic polypropylene material |
| CN108276674A (en) * | 2018-01-28 | 2018-07-13 | 段宝荣 | A kind of environment-friendly antibacterial polypropylene material and preparation method thereof |
| CN108276674B (en) * | 2018-01-28 | 2020-09-18 | 宁波辰明喷雾器有限公司 | Environment-friendly antibacterial polypropylene material and preparation method thereof |
| CN108250578B (en) * | 2018-01-28 | 2020-10-23 | 上海金昌工程塑料有限公司 | Environment-friendly, nontoxic and lasting antibacterial polypropylene material |
| CN111944237A (en) * | 2020-08-17 | 2020-11-17 | 成都金发科技新材料有限公司 | Anti-virus and low-haze automotive interior polypropylene material and preparation method thereof |
| CN114015155A (en) * | 2021-11-10 | 2022-02-08 | 暨南大学 | Polypropylene material and application thereof in preparation of bagging for preventing cancer cell diffusion |
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Application publication date: 20110504 |