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Method for preparing insect-proof nets

An insect-proof net and pyrethrin technology, which is applied in the manufacture of rayon, chemical characteristics of fibers, and conjugated synthetic polymer rayon, can solve the problems of short duration of insect-proof effect and single effect, so as to prolong the effective action time and not easy to Degradation, improve the effect of light protection

Inactive Publication Date: 2017-09-12
JIANGSU HUACHANG YARNS & FABRICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the production design of the insect-proof net is mainly to fix the single-acting insect-repellent liquid on the fabric to achieve the insect-proof effect. Not only is the time-effectiveness of the insect-proof effect prone to short, but there is also the problem of single effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A preparation method of an insect-proof net: comprising the following steps:

[0023] Step 1, in parts by weight, mix 30 parts of polyethylene, 4 parts of polylactic acid, 3 parts of PET, 2 parts of coupling agent, and 2 parts of compatibilizer, and melt at 170°C to obtain mixture A;

[0024] Step 2, putting mixture A obtained in step 1 into an extruder, heating, extruding, and pulverizing to obtain mixture A powder;

[0025] Step 3, in parts by weight, heat up to 160°C, 3000rpm high-speed shearing for 20min , to obtain mixture B;

[0026] Step 4, put the mixture B obtained in step 3 into the extruder, heat and extrude to obtain the masterbatch;

[0027] Step 5, wire-drawing the masterbatch to obtain the insect-proof net.

[0028] Wherein, the photochromic agent is a photosensitive phenolic resin, the insect repellent is a pyrethrin microcapsule, and the coupling agent is a silane coupling agent KH-550.

[0029] Pyrethrin microcapsules are obtained by adding pyrethr...

Embodiment 2

[0032] A preparation method of an insect-proof net: comprising the following steps:

[0033] Step 1, in parts by weight, mix 33 parts of polyethylene, 7 parts of polylactic acid, 5 parts of PET, 4 parts of coupling agent, and 3 parts of compatibilizer, and melt at 180°C to obtain mixture A;

[0034] Step 2, putting mixture A obtained in step 1 into an extruder, heating, extruding, and pulverizing to obtain mixture A powder;

[0035] Step 3, in parts by weight, heat up to 170°C, 3000rpm high-speed shearing for 20min , to obtain mixture B;

[0036] Step 4, put the mixture B obtained in step 3 into the extruder, heat and extrude to obtain the masterbatch;

[0037] Step 5, wire-drawing the masterbatch to obtain the insect-proof net.

[0038] Wherein, the photochromic agent is a photosensitive phenolic resin, the insect repellent is a pyrethrin microcapsule, and the coupling agent is a silane coupling agent KH-550.

[0039] Pyrethrin microcapsules are obtained by adding pyrethr...

Embodiment 3

[0042] A preparation method of an insect-proof net: comprising the following steps:

[0043] Step 1, in parts by weight, mix 38 parts of polyethylene, 7 parts of polylactic acid, 6 parts of PET, 4 parts of coupling agent, and 3 parts of compatibilizer, and melt at 200°C to obtain mixture A;

[0044] Step 2, putting mixture A obtained in step 1 into an extruder, heating, extruding, and pulverizing to obtain mixture A powder;

[0045] Step 3, in parts by weight, heat up to 160°C, 3000rpm high-speed shearing for 20min , to obtain mixture B;

[0046] Step 4, put the mixture B obtained in step 3 into the extruder, heat and extrude to obtain the masterbatch;

[0047] Step 5, wire-drawing the masterbatch to obtain the insect-proof net.

[0048] Wherein, the photochromic agent is a photosensitive phenolic resin, the insect repellent is a pyrethrin microcapsule, and the coupling agent is a silane coupling agent KH-550.

[0049] Pyrethrin microcapsules are obtained by adding pyrethr...

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Abstract

The invention discloses a method for preparing insect-proof nets. The method includes mixing polyethylene, polylactic acid, PET (polyethylene terephthalate), coupling agents and compatilizers with one another, melting the polyethylene, the polylactic acid, the PET, the coupling agents and the compatilizers at the temperatures of 170-210 DEG C to obtain mixtures, placing the obtained mixtures in an extruder and heating, extruding and smashing the mixtures to obtain mixture powder; heating the obtained mixture powder, photosensitive color-changing agents, insect repellent agents, nanometer titanium dioxide and magnesium stearate until the temperatures of the mixture powder, the photosensitive color-changing agents, the insect repellent agents, the nanometer titanium dioxide and the magnesium stearate reach 160-180 DEG C, shearing the mixture powder, the photosensitive color-changing agents, the insect repellent agents, the nanometer titanium dioxide and the magnesium stearate at the high speeds of 2000-3000 rpm for 20-30 min to obtain mixtures, cooling the mixtures, then feeding the mixtures into the extruder and heating and extruding the mixtures to obtain master batch; carrying out wire drawing on the master batch to obtain the insect-proof nets. The method has the advantages that the insect repellent rates of the insect-proof nets prepared by the aid of the method can reach 91%, the insect killing rates of the insect-proof nets can reach 83%, the repellent rates can reach 62% after the insect-proof nets are washed by 50 times, and the killing rates can reach 37% after the insect-proof nets are washed by 50 times; the light transmittance of the insect-proof nets is 78%, and the flexibility of the insect-proof nets can reach 80.2 Mpa.

Description

technical field [0001] The invention belongs to the technical field of preparation of insect-proof nets, and in particular relates to a preparation method of insect-proof nets. Background technique [0002] The insect net is a kind of mesh fabric made of polyethylene with anti-aging, anti-ultraviolet and other chemical additives as the main raw material, which is made by wire drawing. It has high tensile strength, heat resistance, water resistance, corrosion resistance, aging resistance, no It has the advantages of non-toxic, odorless, and easy disposal of waste. Can prevent common pests, such as flies, mosquitoes and so on. Routine use and storage are light, and if new materials are used and properly stored, the service life can reach about 3-5 years. [0003] Covering cultivation with insect-proof nets is a practical and environmentally friendly agricultural new technology for increasing production. By covering the scaffolding to build an artificial isolation barrier, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F8/06D01F8/14D01F1/10C08L23/06C08L67/04C08L67/02C08L61/06C08K13/06C08K9/10C08K3/22C08K5/098
Inventor 李俊叶咏梅
Owner JIANGSU HUACHANG YARNS & FABRICS CO LTD
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