CN104861321A - Insect-repelling fog-drop-avoiding modified plastic and production method thereof - Google Patents

Abstract

The invention discloses a type of insect-repelling fog-drop-avoiding modified plastic. The plastic comprises, by weight, 55 parts to 65 parts of chlorosulfonated polyethylene, 35 parts to 45 parts of panlite, 4 parts to 6 parts of nanometer antimony tin oxide, 1 part to 2 parts of nanometer titanium dioxide, 0.6 part to 1.3 parts of vegetable gum, 0.8 part to 1.5 parts of diatomite, 4 parts to 7 parts of hydrogen peroxide, 0.1 part to 0.3 part of dibasic sodium phosphate, 0.04 part to 0.08 part of allicin, 0.2 part to 0.4 part of ammonium polyphosphate, 0.4 part to 0.7 part of zinc oxide, 0.7 part to 1.2 parts of silane coupling agent KH, and the appropriate amount of absolute ethyl alcohol. The plastic can repel insects and avoid fog drops, is remarkably improved in tensile strength and impact strength, is improved in chemical resistance and flame retardance to some extent, can be deeply processed into plastic film for vegetable greenhouses, and has the advantages of being obvious in heat insulation, self-cleaning, resistant to bacteria, high in light transmittance and the like.

Description

Anti-droplet modified plastics of a kind of expelling parasite and preparation method thereof

Technical field

The present invention relates to plastics modification technology field, be specifically related to anti-droplet modified plastics of a kind of expelling parasite 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 anti-droplet modified plastics of a kind of expelling parasite and preparation method thereof, to overcome the deficiencies in the prior art.

The object of the present invention is achieved like this:

The anti-droplet modified plastics of a kind of expelling parasite, it is characterized in that, be made up of the raw material of following weight part: chlorosulfonated polyethylene 55-65, polycarbonate resin 35-45, nano antimony tin oxide 4-6, nanometer titanium dioxide 1-2, vegetable jelly 0.6-1.3, diatomite 0.8-1.5, hydrogen peroxide 4-7, sodium hydrogen phosphate 0.1-0.3, garlicin 0.04-0.08, ammonium polyphosphate 0.2-0.4, zinc oxide 0.4-0.7, silane coupling agent KH460 0.7-1.2, dehydrated alcohol are appropriate.

The preparation method of the anti-droplet modified plastics of described a kind of expelling parasite, is characterized in that comprising the following steps:

(1) by nano antimony tin oxide, nanometer titanium dioxide calcination processing 30-50 minute at 640-795 DEG C, there-necked flask is put in cooling, adds dehydrated alcohol, silane coupling agent KH460 stirs, reflux 4-5h, centrifugation, with absolute ethanol washing 2 ~ 3 times, vacuum-drying at 80 DEG C;

(2) in diatomite, add hydrogen peroxide dipping 10-20 minute, dry add step (1) material, zinc oxide mixes and mixes, obtained mixed powder;

(3) chlorosulfonated polyethylene, polycarbonate resin are joined in high-speed mixing dispersion machine; add above-mentioned mixed powder, ammonium polyphosphate 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: nano material is first added coupling agent stir-activating by the present invention, mix with auxiliary agent grafting such as chlorosulfonated polyethylene, polycarbonate resin, ammonium polyphosphate, garlicins again, then granulation is melt extruded through twin screw extruder, the obtained anti-droplet of plastics expelling parasite, tensile strength and resistance to impact shock significantly improves, chemical resistance and flame retardant properties also improve, deep processing becomes plastics film for green house of vegetables, have effect of heat insulation obviously, self-cleaning antibacterial, transmittance advantages of higher.

Embodiment

The anti-droplet modified plastics of described a kind of expelling parasite, it is characterized in that, be made up of the raw material of following weight part: chlorosulfonated polyethylene 59, polycarbonate resin 41, nano antimony tin oxide 4, nanometer titanium dioxide 1, vegetable jelly 1.3, diatomite 0.8, hydrogen peroxide 4, sodium hydrogen phosphate 0.2, garlicin 0.04, ammonium polyphosphate 0.2, zinc oxide 0.5, silane coupling agent KH460 1.1, 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 640-795 DEG C, there-necked flask is put in cooling, adds dehydrated alcohol, silane coupling agent KH460 stirs, reflux 4-5h, centrifugation, with absolute ethanol washing 2 ~ 3 times, vacuum-drying at 80 DEG C;

(2) in diatomite, add hydrogen peroxide dipping 10-20 minute, dry add step (1) material, zinc oxide mixes and mixes, obtained mixed powder;

(3) chlorosulfonated polyethylene, polycarbonate resin are joined in high-speed mixing dispersion machine; add above-mentioned mixed powder, ammonium polyphosphate 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 3.56 DEG C, and effect of heat insulation is excellent;

(2) visible light transmissivity (%): 51.95;

(3) sheltering coefficient: 0.35;

Shock strength is recorded: 142.4J/m when (4) 23 DEG C;

(5) tensile strength (50mm/min): 27.6MPa.

Claims (2)

1. the anti-droplet modified plastics of expelling parasite, it is characterized in that, be made up of the raw material of following weight part: chlorosulfonated polyethylene 55-65, polycarbonate resin 35-45, nano antimony tin oxide 4-6, nanometer titanium dioxide 1-2, vegetable jelly 0.6-1.3, diatomite 0.8-1.5, hydrogen peroxide 4-7, sodium hydrogen phosphate 0.1-0.3, garlicin 0.04-0.08, ammonium polyphosphate 0.2-0.4, zinc oxide 0.4-0.7, silane coupling agent KH460 0.7-1.2, dehydrated alcohol are appropriate.

2. the making method of the anti-droplet modified plastics of a kind of expelling parasite 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 640-795 DEG C, there-necked flask is put in cooling, adds dehydrated alcohol, silane coupling agent KH460 stirs, reflux 4-5h, centrifugation, with absolute ethanol washing 2 ~ 3 times, vacuum-drying at 80 DEG C;

(2) in diatomite, add hydrogen peroxide dipping 10-20 minute, dry add step (1) material, zinc oxide mixes and mixes, obtained mixed powder;

(3) chlorosulfonated polyethylene, polycarbonate resin are joined in high-speed mixing dispersion machine; add above-mentioned mixed powder, ammonium polyphosphate 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.