Preparation method of water-resistant mosquito and fly sticking and catching net

A water-resistant, mosquito-fly technology, applied in the field of materials, can solve problems such as failure of adhesion when exposed to water, and achieve the effect of simple formula and preparation process

Inactive Publication Date: 2022-01-14
张云起
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a method for preparing a water-resistant mosquito

Method used

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  • Preparation method of water-resistant mosquito and fly sticking and catching net
  • Preparation method of water-resistant mosquito and fly sticking and catching net
  • Preparation method of water-resistant mosquito and fly sticking and catching net

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The preparation method of embodiment 1 is as follows:

[0026] 1. Weigh 0.5 g of liquid polydimethylsiloxane (PDMS), 0.5 g of solid polytetrafluoroethylene (PTFE) micron particles and 0.005 g of tannic acid (TA) (TA accounts for 1% of the mass of PDMS) in In a 50ml beaker, stir carefully with a small stainless steel wire spatula until a uniform white gel-like mixture (PDMS / PTFE / TA) is obtained. The shear adhesion strength was 1.2 kPa.

[0027] 2. The white glue-like mixture PDMS / PTFE / TA is evenly coated on the front and back sides of the polypropylene mesh to keep the mesh from being blocked. Polypropylene mesh is commercially available with a mesh diameter of approximately 1 mm.

[0028] 3. Place the polypropylene mesh coated with the white paste mixture in a blast drying oven to heat at 60ºC for 1 hour. After the end, it is taken out from the blast drying oven, and the target product water-resistant sticky mosquito polypropylene net is obtained.

Embodiment 4

[0029] Embodiment 4 performance investigation

[0030] Used under natural conditions, the obtained sticky mosquito glue is a viscous liquid, which has the characteristics of not flowing at room temperature, and is odorless, non-toxic, non-corrosive, and can resist sunlight and weathering. Conforms to the characteristics of general sticky mosquito glue.

[0031] The sticky mosquito glue obtained in Examples 1, 2, and 3 were completely placed in water and soaked at room temperature for a week, and the shear tensile strength was measured again to be 2.6kPa, 3.9kPa, and 3.6kPa, and the adhesive strength did not decrease, indicating that this product Resistant to water immersion. Compared with before immersion, the adhesive strength increased, which may be due to the partial polymerization of PDMS itself.

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Abstract

The invention discloses a preparation method of a water-resistant mosquito and fly sticking and catching net. The preparation method comprises the steps: (1) uniformly mixing liquid polydimethylsiloxane (PDMS), solid polytetrafluoroethylene (PTFE) micron particles and tannic acid (TA) in proportion to obtain a white adhesive paste ternary component mixture (PDMS/PTFE/TA); and 2) uniformly coating the white adhesive paste mixture on the surface of a net-shaped or non-net-shaped base material, placing the base material in an air dry oven, and heating until the viscous paste liquid is uniformly and flatly spread on the surface of the base material, so as to obtain the water-resistant mosquito and fly sticking and catching net. The sticking and catching net has good catching force on mosquitoes, flies and rats, and the problems that the adhesive force of existing sticking and catching glue is reduced after the sticking and catching glue meets water, and the sticking and catching force is not long in time are solved.

Description

technical field [0001] The present invention relates to the field of materials. In particular, it relates to a preparation method of a water-resistant mosquito and fly sticky net. Background technique [0002] Mosquitoes can transmit many diseases through their bites, such as malaria, lymphatic filariasis, yellow fever, dengue fever, and Japanese encephalitis. Therefore, in order to prevent the spread of disease, killing mosquitoes is very necessary. Compared with chemical insecticides, physical killing is safer and more environmentally friendly. Fly glue is very popular in the market (Yao Rui, Guo Zhili, Deng Taixiu, Sticky mosquito stickers, Chinese patent, authorized announcement number, CN204070244). Traditional sticky fly mosquito glue is mainly divided into two categories. One type is made by mixing different kinds of natural products, and the main ingredients include rosin, tung oil, castor oil, gum arabic, honey, etc. It is also composed of peach gum, organic pes...

Claims

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Application Information

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IPC IPC(8): C09J183/04C09J127/18C09J11/06A01M1/02A01M1/14
CPCC09J183/04C09J127/18C09J11/06A01M1/02A01M1/145A01M2200/012C08L27/18C08K5/1345C08L83/04Y02A50/30
Inventor 张云起张天柱
Owner 张云起
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