CN104725699A - High-strength corrosion-resistant modified plastic and manufacturing method thereof - Google Patents
High-strength corrosion-resistant modified plastic and manufacturing method thereof Download PDFInfo
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- CN104725699A CN104725699A CN201510110787.1A CN201510110787A CN104725699A CN 104725699 A CN104725699 A CN 104725699A CN 201510110787 A CN201510110787 A CN 201510110787A CN 104725699 A CN104725699 A CN 104725699A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- 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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a high-strength corrosion-resistant modified plastic which is prepared from the following raw materials in parts by weight: 70-80 parts of polyethylene resin, 10-20 parts of polypropylene, 4-7 parts of nano antimony tin oxide, 1-2 parts of nano titanium white, 0.3-0.6 part of titanate, 0.1-0.2 part of tin tetrachloride, 1-2 parts of alkali-free glass fiber, 0.01-0.03 part of nano silver oxide, 2-3 parts of chlorinated paraffin wax, 1.3-2.5 parts of dioctyl sebacate, 0.6-1.1 parts of silane coupling agent KH-792 and a right amount of anhydrous ethanol. The method is simple and practical. The manufacturing method comprises the following steps: adding the nano materials into the coupling agent, activating by stirring, uniformly mixing with the polyethylene resin, polypropylene, alkali-free glass fiber and other assistants for grafting, and carrying out melt extrusion granulation with a double screw extruder. The prepared plastic has the advantages of high strength, corrosion resistance, shock resistance, high processability, aging resistance, long service life, low cost, favorable flame retardancy and favorable fire resistance.
Description
Technical field
The present invention relates to plastics modification technology field, be specifically related to modified plastics of a kind of intensity highly corrosion resistant and preparation method thereof.
Background technology
China is vast in territory, weather is complicated, plastic greenhouse is utilized to carry out the facility cultivation of vegetables, special vital role is served to the disparities between supply and demand alleviating vegetables dull seasons, there is significant social benefit and huge economic benefit, for the special plastics film of plastic greenhouse that agriculture production is built, require its transmittance, insulation, tension and the aspect such as ageing-resistant performance be all better than ordinary agricultural membrane, prior art cannot meet these requirements, need to conventional plastic in addition modification obtain modified plastics.Modified plastics refers on the basis of general-purpose plastics and engineering plastics, through filling, the method processing such as blended, enhancing, improves the plastics of the performance of the aspects such as flame retardant resistance, intensity, shock resistance, toughness.
Nano antimony tin oxide powder is the super-fine material that particle size is less than 100nm, it is a kind of N-type semiconductor material, compared with traditional antistatic material, nano antimony tin oxide powder has obvious advantage, being mainly manifested in the aspects such as good electroconductibility, weathering resistance, stability, light-coloured transparent and low infrared emittance, is the extremely potential Multifunction electro-conductive material of one and lagging material; Nanometer titanium dioxide, be the super-fine material that particle size is less than 100nm also known as nano titanium oxide, its outward appearance is fluffy white powder, has uvioresistant, antibacterial, self-cleaning, anti-aging effect.Applications to nanostructures is that the modification of polymer materials opens up a new way, also for design, preparation high-performance, multifunctional plastic are laid a good foundation, the interfacial energy of nano antimony tin oxide powder and nanometer titanium dioxide is very large, is in energy unsteady state.
For solving an above difficult problem, being necessary to prepare the comprehensive modified plastics of a kind of new function, through being blow molded into the plastics film with performances such as good heat-insulation and heat-preservation, toughness are large, intensity is high, and being widely used in the plastic greenhouse covering material of winter production vegetables.
Summary of the invention
Object of the present invention is just to provide modified plastics of a kind of intensity highly corrosion resistant and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
A kind of modified plastics of intensity highly corrosion resistant, it is characterized in that, be made up of the raw material of following weight part: polyvinyl resin 70-80, polypropylene 10-20, nano antimony tin oxide 4-7, nanometer titanium dioxide 1-2, titanic acid ester 0.3-0.6, tin tetrachloride 0.1-0.2, alkali free glass fibre 1-2, nano phase ag_2 o 0.01-0.03, clorafin 2-3, dioctyl sebacate 1.3-2.5, silane coupling agent KH-792 0.6-1.1, dehydrated alcohol are appropriate.
The preparation method of the modified plastics of described a kind of intensity highly corrosion resistant, is characterized in that comprising the following steps:
(1) by nano antimony tin oxide, nanometer titanium dioxide calcination processing 30-50 minute at 590-760 DEG C, there-necked flask is put in cooling, add silane coupling agent KH-792, titanic acid ester, nano phase ag_2 o stir, reflux 4-5h, centrifugation, with absolute ethanol washing 2 ~ 3 times, vacuum-drying at 80 DEG C;
(2) by adding clorafin in the said products, alkali free glass fibre is uniformly mixed, obtained mixed powder;
(3) polyvinyl resin, polypropylene are joined in high-speed mixing dispersion machine; add above-mentioned mixed powder, tin tetrachloride and other remaining component blending dispersion 15-20 minute, take out and pour in twin screw extruder, extrude by working specification; through granulator granulation, discharging.
The present invention has following beneficial effect: the inventive method is simple and practical, first nano material is added coupling agent stir-activating, mix with auxiliary agent grafting such as polyvinyl resin, polypropylene, alkali free glass fibres again, then granulation is melt extruded through twin screw extruder, obtained plastic strength highly corrosion resistant, shock-resistant, easy processing, ageing-resistant long service life and cost is low, fire-retardant fireproof is good, deep processing becomes plastics film for green house of vegetables, have resistance to sun exposure, anti-drip, effect of heat insulation obviously, self-cleaning antibacterial, transmittance advantages of higher.
Embodiment
The modified plastics of described a kind of intensity highly corrosion resistant, it is characterized in that, be made up of the raw material of following weight part: polyvinyl resin 80, polypropylene 20, nano antimony tin oxide 5, nanometer titanium dioxide 1, titanic acid ester 0.5, tin tetrachloride 0.1, alkali free glass fibre 2, nano phase ag_2 o 0.02, clorafin 3, dioctyl sebacate 1.6, silane coupling agent KH-792 0.9, dehydrated alcohol are appropriate.
Making method comprises the following steps:
(1) by nano antimony tin oxide, nanometer titanium dioxide calcination processing 30-50 minute at 590-760 DEG C, there-necked flask is put in cooling, add silane coupling agent KH-792, titanic acid ester, nano phase ag_2 o stir, reflux 4-5h, centrifugation, with absolute ethanol washing 2 ~ 3 times, vacuum-drying at 80 DEG C;
(2) by adding clorafin in the said products, alkali free glass fibre is uniformly mixed, obtained mixed powder;
(3) polyvinyl resin, polypropylene are joined in high-speed mixing dispersion machine; add above-mentioned mixed powder, tin tetrachloride and other remaining component blending dispersion 15-20 minute, take out and pour in twin screw extruder, extrude by working specification; through granulator granulation, discharging.
The technical parameter index of the plastics film of the modified plastics blowing using the present invention to produce is as follows:
(1) temperature difference of tungsten-iodine lamp irradiated plastics film 5min is 3.43 DEG C, and effect of heat insulation is excellent;
(2) uv transmittance (%): 9.82;
(3) visible light transmissivity (%): 50.54;
(4) sheltering coefficient: 0.35;
Shock strength is recorded: 144.8J/m when (5) 23 DEG C.
Claims (2)
1. the modified plastics of an intensity highly corrosion resistant, it is characterized in that, be made up of the raw material of following weight part: polyvinyl resin 70-80, polypropylene 10-20, nano antimony tin oxide 4-7, nanometer titanium dioxide 1-2, titanic acid ester 0.3-0.6, tin tetrachloride 0.1-0.2, alkali free glass fibre 1-2, nano phase ag_2 o 0.01-0.03, clorafin 2-3, dioctyl sebacate 1.3-2.5, silane coupling agent KH-792 0.6-1.1, dehydrated alcohol are appropriate.
2. the making method of the modified plastics of a kind of intensity highly corrosion resistant according to claim 1, is characterized in that comprising the following steps:
(1) by nano antimony tin oxide, nanometer titanium dioxide calcination processing 30-50 minute at 590-760 DEG C, there-necked flask is put in cooling, add silane coupling agent KH-792, titanic acid ester, nano phase ag_2 o stir, reflux 4-5h, centrifugation, with absolute ethanol washing 2 ~ 3 times, vacuum-drying at 80 DEG C;
(2) by adding clorafin in the said products, alkali free glass fibre is uniformly mixed, obtained mixed powder;
(3) polyvinyl resin, polypropylene are joined in high-speed mixing dispersion machine; add above-mentioned mixed powder, tin tetrachloride and other remaining component blending dispersion 15-20 minute, take out and pour in twin screw extruder, extrude by working specification; through granulator granulation, discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510110787.1A CN104725699A (en) | 2015-03-14 | 2015-03-14 | High-strength corrosion-resistant modified plastic and manufacturing method thereof |
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| CN201510110787.1A CN104725699A (en) | 2015-03-14 | 2015-03-14 | High-strength corrosion-resistant modified plastic and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106386259A (en) * | 2016-08-31 | 2017-02-15 | 孟玲 | Novel antibiotic greenhouse |
| CN107418137A (en) * | 2017-07-27 | 2017-12-01 | 苏州安特实业有限公司 | Acid and alkali-resistance packaging material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916057A (en) * | 2005-08-17 | 2007-02-21 | 中科纳米技术工程中心有限公司 | Sunlight controlled transparent film in low radiation, prepartion method and application |
| CN103804757A (en) * | 2014-01-20 | 2014-05-21 | 苏州新区华士达工程塑胶有限公司 | Flame-retardant ultraviolet-proof polyethylene plastic |
| CN104262874A (en) * | 2014-09-20 | 2015-01-07 | 宣英男 | PVB (polyvinyl butyral) film for dynamically rejecting infrared rays and resisting ultraviolet rays and preparation method thereof |
-
2015
- 2015-03-14 CN CN201510110787.1A patent/CN104725699A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916057A (en) * | 2005-08-17 | 2007-02-21 | 中科纳米技术工程中心有限公司 | Sunlight controlled transparent film in low radiation, prepartion method and application |
| CN103804757A (en) * | 2014-01-20 | 2014-05-21 | 苏州新区华士达工程塑胶有限公司 | Flame-retardant ultraviolet-proof polyethylene plastic |
| CN104262874A (en) * | 2014-09-20 | 2015-01-07 | 宣英男 | PVB (polyvinyl butyral) film for dynamically rejecting infrared rays and resisting ultraviolet rays and preparation method thereof |
Non-Patent Citations (2)
| Title |
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| 耿孝正: "《塑料机械的使用与维护》", 31 August 1998, 中国轻工业出版社 * |
| 邓建强: "《化工工艺学》", 30 June 2009, 北京大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106386259A (en) * | 2016-08-31 | 2017-02-15 | 孟玲 | Novel antibiotic greenhouse |
| CN107418137A (en) * | 2017-07-27 | 2017-12-01 | 苏州安特实业有限公司 | Acid and alkali-resistance packaging material and preparation method thereof |
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Application publication date: 20150624 |