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40results about How to "No adverse effects on health" patented technology

Vaseline insecticidal paste for control of insect damage of woods and fruit trees, and use method thereof

The invention belongs to the field of control technologies of insect damage, and provides Vaseline insecticidal paste for control of insect damage of woods and fruit trees, and a use method thereof. The prior art adopts a method of pesticide-water mixture spraying to control insect damage of woods and fruit trees, and has the defect that pesticide fog drops diffuse in the environment, pollute the environment and bring unfavorable influences on a human respiratory system. The Vaseline insecticidal paste comprises a paste A and a paste B, wherein the paste A is prepared through the steps of mixing uniformly 10 parts by weight of Vaseline and 6 to 7 parts by weight of 25% of wettable imidacloprid powder by stirring at a temperature of 50 DEG C and cooling the mixture to normal temperature to obtain a desired product, and the paste B is prepared through the steps of mixing uniformly 10 parts by weight of Vaseline and 6 to 7 parts by weight of rotenone by stirring at a temperature of 50 DEG C and cooling the mixture to normal temperature to obtain a desired product. The use method comprises the following steps of smearing the prepared Vaseline insecticidal paste on an insect damaged wound or bark parts at regular intervals by a special-purpose bamboo shovel, wherein the thickness of the smeared Vaseline insecticidal paste is in a range of 0.1 to 0.2 centimeters. The Vaseline insecticidal paste and the use method thereof have the advantages of no pollution on the environment, no adverse influence on human health, easy preparation processes, convenient insect damage control operation and good control effects.
Owner:杨宇

Nano biological mildew-proof preservation film and preparation method thereof

InactiveCN108100462AGood anti-mildew and fresh-keeping effectLow costFlexible coversWrappersHuman healthAdverse effect
The invention provides a nano biological mildew-proof preservation film and a preparation method thereof. The nano biological mildew-proof preservation film is composed of a dielectric layer, a chitosan layer and a base film layer, wherein the chitosan layer is located between the dielectric layer and the base film layer; the dielectric layer is a transparent dielectric layer formed on the chitosan layer by silicon dioxide or zinc sulfate sublimated and condensed, the thickness of which is smaller than 10nm; the chitosan layer is a coating formed by coating a 5-30% chitosan acetic acid solution on the base film; and the base film layer is any one of OPP, PP, PET and PVA films. The mildew-proof preservation film provided by the invention has the characteristics of being good in mildew-proofpreservation effect, low in cost, free of adverse effects on human health and the like. Chitosan has free NH+<2> which can be combined with negatrons to inhibit bacteria; a nanoscale dielectric layeris obtained by evaporation, so that the effective time limit of the chitosan layer can be guaranteed effectively and the chitosan layer has a relatively good semipermeable effect; bacteria adsorbed by the chitosan layer are gathered to the dielectric layer to be killed, so that the chitosan layer is effective continuously.
Owner:CHANGDE JINDE NEW MATERIAL TECH CO LTD
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