CN1301300C - Nanometer antibacterial sterilizing plastic mother material and preparing method thereof - Google Patents
Nanometer antibacterial sterilizing plastic mother material and preparing method thereof Download PDFInfo
- Publication number
- CN1301300C CN1301300C CNB031122469A CN03112246A CN1301300C CN 1301300 C CN1301300 C CN 1301300C CN B031122469 A CNB031122469 A CN B031122469A CN 03112246 A CN03112246 A CN 03112246A CN 1301300 C CN1301300 C CN 1301300C
- Authority
- CN
- China
- Prior art keywords
- nano
- parts
- tio
- plastic
- powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a nanometer bacterium resisting sterilizing plastic parent material and a preparation method thereof. The parent material comprises 95 to 600 portions of nanometer TiO2 powder, 950 to 1100 portions of plastic resin, 100 to 200 portions of EVA resin, 1 to 10 portions of white mineral oil, 50 to 150 portions of titanium white powder and 5 to 20 portions of zinc stearate, wherein the surface of the nanometer TiO2 powder is modified by 0.5 to 3 wt% of rare earth aluminate coupling agent. The preparation method comprises: the nanometer TiO2 powder is for use after the surface of the nanometer TiO2 powder is modified and treated by the rare earth aluminate coupling agent under the condition that the nanometer TiO2 powder is heated; the plastic resin, the EVA resin and the white mineral oil are uniformly mixed, and the nanometer TiO2 powder having the modified and treated surface and the titanium white powder are added; the zinc stearate is uniformly mixed, and the materials uniformly mixed are extruded and granulated to obtain the parent material. The nanometer bacterium resisting sterilizing plastic prepared with the method of the present invention has the advantages of uniform dispersion of nanometer TiO2 particles, and obvious improvement of bacterium resisting effect and sterilizing effect. The surface of the product does not have the obvious defects of spots, pits, etc.
Description
Affiliated technical field
The present invention relates to a kind of nano-antibacterial virus killing plastic matrix, be specifically related to a kind of nano-TiO that contains
2The nano-antibacterial virus killing plastic matrix of powder.The present invention relates to the preparation method of described nano-antibacterial virus killing plastic matrix simultaneously.
Background technology
In plastics, add nano-TiO
2Can improve the mechanical property of plastic material significantly, give goods certain antibiotic and endotoxic function of decomposition simultaneously, so nano-antibacterial virus killing plastics have a good application prospect.Existing nano-antibacterial virus killing plastic material, the moulding process that adopts has two kinds usually, and a kind of is with nano-TiO
2Powder directly adds in the plastic raw materials, and technology is directly carried out forming process for after carrying out the surface adhesion processing with whiteruss, white mineral oil etc. simply; Another kind is with nano-TiO
2After powder and plastics mix, be processed into masterbatch by forcing machine, then with gained masterbatch and plastic raw materials in must ratio after mechanically mixing, carry out forming process.In the above complete processing, first kind of technology is because of easy and simple to handle, and by more employing, but exists nano-powder to reunite and disperse unequal problem in plastics; Second kind of process improving nano-TiO
2The dispersiveness of powder in goods, but relatively poor because of the melting behaviour of masterbatch when the forming process, the melt viscosity after melting simultaneously is higher, it is slow to have caused masterbatch to melt speed, and disperses inhomogeneously in plastic melt, causes nano-TiO
2Particle dispersing uniformity in plastics is undesirable.Above technology is in the course of processing, because of nano-powder disperse inequality and particle aggregation cause the surface of plastic products different zones and batch between the aberration of goods bigger, macroscopic irregularitys such as pit can be found in the surface when serious, the performance and the class of product have been influenced, simultaneously antibacterial effect and decompose also in various degree the decline of endotoxic effect.
Summary of the invention
The present invention is directed to the scattering problem in the nano plastic compound system forming process, invented new technology, the nano-antibacterial virus killing plastic matrix that development makes new advances has solved the above-mentioned problems in the prior art, and has given product long-lasting excellent antibacterial sterilization performance.
For solve the scattering problem that existing nano-antibacterial virus killing plastic matrix exists in composite material forming processing, the present invention has adopted following technical proposals.
The invention discloses a kind of nano-antibacterial virus killing plastic matrix, comprise the component of following ratio:
Through weight percent is the nano-TiO that 0.5～3% rare earth aluminic acid ester coupling agent carries out surface modification
295～580 parts of powders;
Plastic Resin: 950～1100 parts;
EVA resin: 100～200 parts;
White mineral oil: 1～10 part;
Titanium dioxide: 65～150 parts;
Zinic stearas: 5～20 parts.
The preferred group of common described nano-antibacterial virus killing plastic matrix is proportional to be:
Through weight percent is the nano-TiO that 0.7～3% rare earth aluminic acid ester coupling agent carries out surface modification
2150～580 parts of powders;
Plastic Resin: 950～1000 parts;
EVA resin: 100～150 parts;
White mineral oil: 4～10 parts;
Titanium dioxide: 80～150 parts;
Zinic stearas: 5～15 parts.
According to the processing needs of plastics, described nano-antibacterial virus killing plastic matrix also can comprise 3～10 parts of pigment.
The present invention discloses the preparation method of above-mentioned nano-antibacterial virus killing plastic matrix, comprise the following order step:
(1) with nano-TiO
2Powder is that 0.5～3% rare earth aluminic acid ester coupling agent is to nano-TiO with weight percent under heating state
2It is stand-by that modification processing back is carried out on the surface of powder;
(2) with Plastic Resin: 950～1100 parts; EVA resin: 100～200 parts; White mineral oil: 1～10 part mixes,
(3) in the mixture of step (2), add the nano-TiO that carries out surface modification treatment in the step (1)
295～580 parts of powders, titanium dioxide: 65～150 parts; Zinic stearas: 5～15 parts mix, and dark material extruding pelletization after closing is evenly obtained masterbatch.
In the technique scheme, by the hot combination treatment in hot mixing equipment, common nano-TiO
2The rare earth aluminic acid ester coupling agent parcel that is melted of surface, and the chemical bond that generates by reaction connects the nano-TiO in effectively alleviating the following process process
2In the time of the particle aggregation problem, also make nano-TiO
2The surface transfer lipophilicity to, increased nano-TiO
2Bonding force between powder and the plastic substrate.
At nano-TiO
2In the course of processing of masterbatch, in order to solve nano-TiO
2The scattering problem of masterbatch in plastic shaping, in the prescription of masterbatch, by optimizing, on the basis of the factors such as transport property, auxiliary agent color and temperature tolerance of the consistency of considering auxiliary agent and matrix, auxiliary agent, selected the modified additive of suitable flowability, dispersiveness, as melting index is 15～30 as the granular EVA resin that improves liquidity, reaching melting index is the dispersed and mobile EVA waxes of 80～120 auxiliary improvements, and the melting index of EVA resin can be adjusted according to the needs of different masterbatch dispersivenesses.EVA resin that selected melting index is higher and powder EVA wax make masterbatch easy in the pelletizing of granulation process tie rod, and can guarantee in follow-up plastic shaping process masterbatch and nano-TiO as mobile auxiliary improvement auxiliary agent
2Keep good dispersiveness at plastic substrate, and avoided adopting the migration hidden danger of the low organic mobile property improvement auxiliary agent of molecule.The fully fusion in the moulding process of plastics of nano-antibacterial virus killing masterbatch has been guaranteed in the adding of modified additive simultaneously, and melt viscosity is lower, can be uniformly dispersed rapidly in plastic melt, keeps dispersing uniformity, finely disseminated nano-TiO in plastics
2Powder can better be brought into play the antibacterial sterilization function.
Above-mentioned evenly mixing device can adopt various hot mixing devices commonly used, as the mixing tank of normal tape agitator or drum-type mixing tank etc.Granulating equipment can adopt common plastic matrix granulating equipment, as has the twin screw extruder of vacuum extractor.
Can adopt processing condition commonly used and parameter in the preparation process of nano-antibacterial virus killing plastic matrix among the present invention, as nano-TiO
2The surface heat mixing time of powder can be selected for use between 5～15min.Before the masterbatch processing, earlier Plastic Resin, granular EVA resin, white mineral oil etc. are added in the mixing equipment of cylinder or belt stirrer, mixed 1～5 minute with 500 rev/mins speed earlier, mixed 0.5～2 minute with 1500 rev/mins speed again; Then add the nano-TiO after handling
2Powder, titanium dioxide, powder EVA wax etc. mix 1～5 fen kind with 500 rev/mins speed, mix 1～3 minute with 1500 rev/mins speed again after, the material that mixes is emitted.With twin screw extruder mixed material is processed into the antibacterial sterilization masterbatch, each section temperature can adopt 180～210 ℃ in the screw rod, and screw speed is 400～800 rev/mins.
And in the forming process of plastics, with nano-antibacterial kill virus masterbatch and plastic raw materials in accordance with regulations consumption in mixing equipment, mix, technology such as adopt injection moulding again or extrude can be processed into the sterilization and disinfection excellent property plastics.
Nano-antibacterial virus killing plastics with method preparation of the present invention compare with the nano plastic that adopts common process to process, and surface luster is obviously improved, aberration between same goods and the goods is little, high conformity, product surface do not have defectives such as obvious pit, pit, nano-TiO
2Particle is uniformly dispersed, and the antibacterial sterilization effect significantly improves, and wherein, photochemical catalysis got surperficial contact antibiotic rate in 3 hours and can reach more than 90%, and toxic substances such as intracellular toxin are had tangible decomposition effect.
Use rare earth aluminic acid ester coupling agent to nano-TiO in the common described step (1)
2Powder surface carries out modification and handles 60～80 ℃ of Heating temperatures.
And be to adjust the color of masterbatch to meet product requirements, in step (3), add 3～10 parts of pigment.
Embodiment
Embodiment 1
A kind of nano-antibacterial virus killing plastic matrix comprises the component of following ratio:
Carry out the nano-TiO of surface modification through 2g rare earth aluminic acid ester coupling agent
2Powder 250g;
Plastic Resin: 1000g;
EVA resin: 100g;
White mineral oil: 2g;
Titanium dioxide: 65g;
Zinic stearas: 10g.
Embodiment 2
A kind of nano-antibacterial virus killing plastic matrix comprises the component of following ratio:
Carry out the nano-TiO of surface modification through 5g rare earth aluminic acid ester coupling agent
2Powder 500g;
Plastic Resin: 1100g;
EVA resin: 120g;
White mineral oil: 9g;
Titanium dioxide: 85g;
Zinic stearas: 7g;
Ultramarine 2g, the red 2g of network.
Embodiment 3:
A kind of preparation method of nano-antibacterial virus killing plastics comprises the following order step:
(1) will be through 6g rare earth aluminic acid ester coupling agent and nano-TiO
2Powder 500g adds in the cylinder mixing tank, and is stand-by after 80 ℃ of rotating speed heat with 500 rev/mins are mixed 10 minutes;
(2) in the cylinder mixing tank, add HIPS resin 1000g, melting index is 15 EVA resin 210g, white mineral oil 6g mixed 2 minutes with 500 rev/mins speed, mixed 1 minute with 1500 rev/mins speed again;
(3) add the nano-TiO after surface modification treatment in the step (1) in the cylinder mixing tank in step (2)
2480g, titanium dioxide 100g, Zinic stearas 10g, ultramarine 2g, the red 0.5g of network; Then disperseed 5 minutes with 500 rev/mins rotating speed, with 1500 rev/mins rotating speed 2 minutes, then material is emitted, use the twin screw extruder granulation, interior each section temperature of screw rod is 180～200 ℃, and screw speed is 600 rev/mins; During granulation, open the vacuum pump on the twin screw extruder, the micro-molecular gas in the melt is drained.
Embodiment 4
A kind of preparation method of nano-antibacterial virus killing plastics comprises the following order step:
(1) will be through 10g rare earth aluminic acid ester coupling agent and nano-TiO
2Powder 500g adds in the cylinder mixing tank, and is stand-by after 75 ℃ of rotating speed heat with 500 rev/mins are mixed 5 minutes;
(2) in the cylinder mixing tank, add ABS resin 1000g, melting index is 15 EVA resin 220g, white mineral oil 15g mixed 2 minutes with 500 rev/mins speed, mixed 0.5 minute with 1500 rev/mins speed again.
(3) nano-TiO of adding after step (1) surface modification treatment in the cylinder mixing tank in step (2)
2580g, titanium dioxide 150g, Zinic stearas 12g, melting index is 90 EVA wax 30g, ultramarine 3.5g, the red 1.2g of network disperseed 5 minutes with 500 rev/mins rotating speeds, with 1500 rev/mins rotating speeds 2 minutes, then emitted material.With the twin screw extruder granulation, each section temperature is 180～210 ℃ in the screw rod, and screw speed is 500 rev/mins, during granulation, opens the vacuum pump on the twin screw extruder.
The nano-antibacterial bactericidal plastic masterbatch that step by above-mentioned embodiment processes with the mixed of ABS resin by 1: 40, carries out injection molded with injection moulding machine, and injection temperature is 205 ℃, nano-TiO in the goods
2Content for being about 0.7%.The photocatalysis antibacterial rate reached more than 90% in 3 hours, and intracellular toxin is had certain decomposition effect.
The preparation method's of above-mentioned nano-antibacterial bactericidal plastic masterbatch embodiment can prepare the nano-TiO of flowability, favorable dispersity
2The antibacterial sterilization masterbatch, and process good nano-TiO then
2Dispersive nano-antibacterial bactericidal plastic, thus conventional nano-TiO solved
2The powder dispersing uniformity that the plastics system exists is poor, and the masterbatch fusion is slow and melt dispersion is poor, and there are problems such as defective and aberration in product surface.
Equipment in the above-mentioned embodiment among the preparation method of nano-antibacterial bactericidal plastic masterbatch and processing parameter only are specifying preparation process among the present invention, it or not concrete qualification to equipment among the preparation method and processing parameter, according to inventive concept of the present invention, concrete processing parameter and equipment can be done various variations and adjustment as required.
Claims (6)
1, a kind of nano-antibacterial virus killing plastic matrix comprises the component of following ratio:
Through weight percent is the nano-TiO that 0.5～3% rare earth aluminic acid ester coupling agent carries out surface modification
295～580 parts of powders;
Plastic Resin: 950～1100 parts;
EVA resin: 100～200 parts;
White mineral oil: 1～10 part;
Titanium dioxide: 65～150 parts;
Zinic stearas: 5～20 parts.
2, nano-antibacterial virus killing plastic matrix according to claim 1, it is characterized in that: the proportion of composing of described nano-antibacterial virus killing plastic matrix is:
Through weight percent is the nano-TiO that 0.7～3% rare earth aluminic acid ester coupling agent carries out surface modification
2150～580 parts of powders;
Plastic Resin: 950～1000 parts;
EVA resin: 100～150 parts;
White mineral oil: 4～10 parts;
Titanium dioxide: 80～150 parts;
Zinic stearas: 5～15 parts.
3, nano-antibacterial virus killing plastic matrix according to claim 1 and 2 is characterized in that: described nano-antibacterial virus killing plastic matrix also comprises 3～10 parts of pigment.
4, the preparation method of the described a kind of nano-antibacterial virus killing plastic matrix of claim 1 comprises the following order step:
(1) with nano-TiO
2Powder is that 0.5～3% rare earth aluminic acid ester coupling agent is to nano-TiO with weight percent under heating state
2It is stand-by that modification processing back is carried out on the surface of powder;
(2) with Plastic Resin: 950～1100 parts; EVA resin: 100～200 parts; White mineral oil: 1～10 part mixes,
(3) in the mixture of step (2), add the nano-TiO that carries out surface modification treatment in the step (1)
295～580 parts of powders, titanium dioxide: 65～150 parts; Zinic stearas: 5～15 parts mix, and the material extruding pelletization after mixing is obtained masterbatch.
5, the preparation method of nano-antibacterial virus killing plastics according to claim 4 is characterized in that: use rare earth aluminic acid ester coupling agent to nano-TiO in the described step (1)
2Powder surface carries out modification and handles 60～80 ℃ of Heating temperatures.
6, according to the preparation method of claim 4 or 5 described nano-antibacterial virus killing plastics, it is characterized in that: in step (3), add 3～10 parts of pigment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031122469A CN1301300C (en) | 2003-05-28 | 2003-05-28 | Nanometer antibacterial sterilizing plastic mother material and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031122469A CN1301300C (en) | 2003-05-28 | 2003-05-28 | Nanometer antibacterial sterilizing plastic mother material and preparing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1552767A CN1552767A (en) | 2004-12-08 |
| CN1301300C true CN1301300C (en) | 2007-02-21 |
Family
ID=34319913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031122469A Expired - Fee Related CN1301300C (en) | 2003-05-28 | 2003-05-28 | Nanometer antibacterial sterilizing plastic mother material and preparing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1301300C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146048A (en) * | 2012-12-28 | 2013-06-12 | 东莞市普凯塑料科技有限公司 | Ultraviolet-shield, anti-bacterium, antifouling and multifunctional color master batch and preparation method thereof |
| CN103073771A (en) * | 2012-12-28 | 2013-05-01 | 东莞市普凯塑料科技有限公司 | Ultraviolet shielding, anti-bacterial and anti-fouling multifunctional color masterbatch and preparation method thereof |
| CN103275370A (en) * | 2012-12-28 | 2013-09-04 | 东莞市普凯塑料科技有限公司 | Ultraviolet light shielding, anti-bacterial, antifouling multifunctional color master batch and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294145A (en) * | 1999-11-02 | 2001-05-09 | 海尔科化工程塑料国家工程研究中心有限公司 | Resin composition containing antibacterial mildew inhibitor and its preparing process |
| CN1294144A (en) * | 2000-11-14 | 2001-05-09 | 上海博纳科技发展有限公司 | Mother particles of antibacterial plastics and its application in preparing antibacterial plastic products |
| CN1362296A (en) * | 2001-01-04 | 2002-08-07 | 财团法人金属工业研究发展中心 | Low cost scrubbing system for liquefiable gas |
-
2003
- 2003-05-28 CN CNB031122469A patent/CN1301300C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294145A (en) * | 1999-11-02 | 2001-05-09 | 海尔科化工程塑料国家工程研究中心有限公司 | Resin composition containing antibacterial mildew inhibitor and its preparing process |
| CN1294144A (en) * | 2000-11-14 | 2001-05-09 | 上海博纳科技发展有限公司 | Mother particles of antibacterial plastics and its application in preparing antibacterial plastic products |
| CN1362296A (en) * | 2001-01-04 | 2002-08-07 | 财团法人金属工业研究发展中心 | Low cost scrubbing system for liquefiable gas |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1552767A (en) | 2004-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1100087C (en) | Stuffing mother particle for toughening polyolefine and preparation process and usage thereof | |
| KR910003475B1 (en) | Prodection process of polyolefin resin composition containing inorganic filler | |
| CN103275370A (en) | Ultraviolet light shielding, anti-bacterial, antifouling multifunctional color master batch and preparation method thereof | |
| CN101456973A (en) | UPVC/grading complex formulation inorganic powder composite material and preparation method thereof | |
| CN1865335A (en) | High concentration plastic nano flame-proof agglomerate production method | |
| CN113336979A (en) | Antibacterial masterbatch containing high-dispersity inorganic antibacterial agent and preparation method thereof | |
| CN103073771A (en) | Ultraviolet shielding, anti-bacterial and anti-fouling multifunctional color masterbatch and preparation method thereof | |
| CN102585324A (en) | Polyethylene composition for improving yellow index and lustrousness and preparation method thereof | |
| CN1737039A (en) | Polyolefin composition and its preparation method and uses | |
| CN1435442A (en) | Tertiary polypropylene/elastomer/inorganic filler composite material and preparing method thereof | |
| CN1301300C (en) | Nanometer antibacterial sterilizing plastic mother material and preparing method thereof | |
| CN100424138C (en) | Modified nano zinc oxide compound mother granule for plastics and preparation method thereof | |
| CN1177364A (en) | Composition contg. fine solid particles | |
| CN1153809C (en) | Mother filler of polyolefine and its preparing process | |
| EP1091839B1 (en) | A process for the conversion of mixed plastic waste | |
| EP0365400A2 (en) | Method for producing filler-containing colored thermoplastic resin composition | |
| CN105440621B (en) | PLA noctilucence master batch and preparation method thereof | |
| CN106366420A (en) | Nano-plastic masterbatch and preparation method thereof | |
| CN103146048A (en) | Ultraviolet-shield, anti-bacterium, antifouling and multifunctional color master batch and preparation method thereof | |
| CN112876842A (en) | Preparation method of anti-aging polymer composite material with enhanced core-shell structure | |
| WO2010098309A1 (en) | Composition containing silver nanoparticles, masterbatch containing silver nanoparticles, and molded product thereof | |
| CN112724625A (en) | Preparation method of polylactic acid and chitin composite master batch material | |
| CN111171427A (en) | PE/PP mixed waste plastic high-filling and high-performance composite material and manufacturing method thereof | |
| CN1274738C (en) | Integrated process for preparing silicone rubber composition | |
| CN113845733B (en) | Polypropylene blend material filled with waste rubber powder and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |