阅读说明：本技术 一种纤维素基生物降解诱虫板及其制备方法 (Cellulose-based biodegradable insect-attracting board and preparation method thereof ) 是由 施晓旦 郝鲁峰 金霞朝 于 2020-02-26 设计创作，主要内容包括：本发明公开了一种纤维素基生物降解诱虫板及其制备方法,所述诱虫板包括以下重量份的组分：PBAT 40-80份、PLA 10-40份、纤维素10-50份、生物降解色母/色粉1-15份和助剂2-15份。本发明将纤维素添加到生物降解树脂里面,大大降低了生物降解诱虫板的成本,更有利于推广,同时扩大了纤维素的用途,提高了纤维素的经济效益；而且纤维素基生物降解诱虫板能被自然界中微生物完全降解,最终生成二氧化碳、水和矿物质,不污染环境。(The invention discloses a cellulose-based biodegradable insect-attracting board and a preparation method thereof, wherein the insect-attracting board comprises the following components in parts by weight: 40-80 parts of PBAT, 10-40 parts of PLA, 10-50 parts of cellulose, 1-15 parts of biodegradable color master batch/toner and 2-15 parts of auxiliary agent. The invention adds the cellulose into the biodegradable resin, greatly reduces the cost of the biodegradable insect-attracting board, is more beneficial to popularization, simultaneously expands the application of the cellulose and improves the economic benefit of the cellulose; and the cellulose-based biodegradable insect-attracting board can be completely degraded by microorganisms in the nature to finally generate carbon dioxide, water and mineral substances, and does not pollute the environment.)

1. The cellulose-based biodegradable insect attracting board is characterized by comprising the following components in parts by weight: 40-80 parts of PBAT, 10-40 parts of PLA, 10-50 parts of cellulose, 1-15 parts of biodegradable color master batch/toner and 2-15 parts of auxiliary agent.

2. The cellulose-based biodegradable insect trap board according to claim 1, wherein the insect trap board comprises the following components in parts by weight: 45-75 parts of PBAT, 15-35 parts of PLA, 15-45 parts of cellulose, 2-12 parts of biodegradable color master batch/toner and 3-13 parts of auxiliary agent.

3. The cellulose-based biodegradable insect trap board according to claim 2, wherein the insect trap board comprises the following components in parts by weight: 50-70 parts of PBAT, 20-30 parts of PLA, 20-40 parts of cellulose, 3-10 parts of biodegradable color master batch/toner and 4-10 parts of auxiliary agent.

4. The cellulose-based biodegradable insect trap board according to claim 1, wherein the cellulose is one or more of wood, cotton linters, wheat straw, rice straw, reed, hemp, mulberry bark, paper mulberry bark and bagasse extract; the biodegradable color master batch/toner is a conventional biodegradable color master batch/toner in the market; the melt flow rate of the PBAT and the PLA at 190 ℃/2.16kg is 3-5g/10 min.

5. The cellulose-based biodegradable insect trap board according to claim 1, wherein the auxiliary comprises the following components in parts by weight: 0.5-3 parts of cross-linking agent, 1-8 parts of plasticizer and 0.5-3 parts of lubricant.

6. The cellulose-based biodegradable insect trap board according to claim 5, wherein the auxiliary comprises the following components in parts by weight: 0.7-1.5 parts of cross-linking agent, 2-7 parts of plasticizer and 1-2.5 parts of lubricant.

7. The cellulose-based biodegradable insect trap board according to claim 6, wherein the auxiliary comprises the following components in parts by weight: 0.8-1.2 parts of cross-linking agent, 3-6 parts of plasticizer and 1.5-2.5 parts of lubricant.

8. The cellulose-based biodegradable insect trap plate according to claim 5, wherein the cross-linking agent is one or more of dicumyl peroxide, benzoyl peroxide and 2, 5-dimethyl-2, 5-di-tert-butyl-hexane peroxide; the plasticizer is one or more of tributyl citrate, acetyl tributyl citrate, glycerol and epoxidized soybean oil; the lubricant is one or more of stearic acid, butyl stearate, oleamide and ethylene bis stearamide.

9. The method for preparing the cellulose-based biodegradable insect trap board according to any one of claims 1 to 8, comprising the steps of:

s1: uniformly mixing PBAT, PLA, cellulose, biodegradable color master batch/toner and an auxiliary agent according to a ratio to obtain a primary mixed material;

s2: adding the primary mixed material prepared in the step S1 into a bin of a double-screw extruder, extruding and granulating to prepare master batches, adding the master batches into a sheet extruder, and extruding, molding and slitting to obtain a cellulose-based biodegradable insect-attracting board substrate;

s3: spraying pest-sticking glue on two sides of the substrate of the cellulose-based biodegradable insect-attracting board prepared in the step S2 to obtain a pest-sticking glue layer, and covering release paper outside the pest-sticking glue layer to obtain the cellulose-based biodegradable insect-attracting board.

10. The method for preparing a cellulose-based biodegradable insect-attracting board according to claim 9, wherein in step S2, the extrusion temperature of the first zone to the sixth zone in the bin of the twin-screw extruder is 80-240 ℃, the head temperature is 80-240 ℃, and the rotation speed is 30-600 rpm; the extrusion temperature of the sheet extruder is 90-220 ℃; in step S3, the pest-sticking glue is a conventional pest-sticking glue in the market, and the thickness of the pest-sticking glue layer is 0.005-0.08 mm.

Technical Field

The invention relates to the technical field of agricultural and forestry pest control, in particular to a cellulose-based biodegradable insect-attracting board and a preparation method thereof.

Background

The small pests such as thrips, whiteflies, aphids, liriomyza and the like are always main pests on vegetables, flowers and important economic crops, and have the advantages of tiny individual, high propagation speed, hidden activity, wide host range and great harm to the crops. The insect attracting plate is an important physical pest prevention and control product, follows the green, safe and environment-friendly plant protection concept, and is widely applied to monitoring, preventing and controlling pests in the production of vegetables, flowers and forest fruits; the use of the insect attracting plate effectively reduces the use amount of chemical pesticides, delays the development of drug resistance of pests, reduces pesticide residues in the environment and fruits and vegetables, and improves the quality of food.

The substrate used by the existing insect-attracting plate is PP or PVC (polypropylene) from petrochemical industry, when the insect-attracting plate is used, a layer of insect-attracting glue is respectively coated on two surfaces of a PP or PVC plastic plate, and then the manufactured insect-attracting plate is hung in a use area; when the pest trapping plate is used for pest trapping, the environment pollution caused by pesticides can be avoided, but the pest trapping plate is mainly made of PP (polypropylene) plastics and has the problem of difficult degradation, the discarded pest trapping plate still pollutes the environment due to difficult degradation, serious secondary pollution is caused to the agricultural ecological environment, the subsequent treatment is very troublesome, and inconvenience is brought to field cleaning; in recent years, the application of the existing insect attracting plates is increasingly wide, the number of the used insect attracting plates is increased year by year, and the damage to the agricultural ecological environment is more serious.

Disclosure of Invention

The invention aims at the defects in the prior art and provides the cellulose-based biodegradable insect-attracting board and the preparation method thereof, and the cellulose is added into the biodegradable resin, so that the cost of the biodegradable insect-attracting board is greatly reduced, the popularization is facilitated, the application of the cellulose is expanded, and the economic benefit of the cellulose is improved; and the cellulose-based biodegradable insect-attracting board can be completely degraded by microorganisms in the nature to finally generate carbon dioxide, water and mineral substances, and does not pollute the environment.

In order to achieve the purpose, the invention adopts the technical scheme that:

the invention provides a cellulose-based biodegradable insect attracting board which comprises the following components in parts by weight: 40-80 parts of PBAT, 10-40 parts of PLA, 10-50 parts of cellulose, 1-15 parts of biodegradable color master batch/toner and 2-15 parts of auxiliary agent.

Preferably, the insect attracting plate comprises the following components in parts by weight: 45-75 parts of PBAT, 15-35 parts of PLA, 15-45 parts of cellulose, 2-12 parts of biodegradable color master batch/toner and 3-13 parts of auxiliary agent.

Preferably, the insect attracting plate comprises the following components in parts by weight: 50-70 parts of PBAT, 20-30 parts of PLA, 20-40 parts of cellulose, 3-10 parts of biodegradable color master batch/toner and 4-10 parts of auxiliary agent.

Preferably, the cellulose is one or more of extracts of wood, cotton linter, wheat straw, reed, hemp, mulberry bark, paper mulberry bark and bagasse; the biodegradable color master batch/toner is a conventional biodegradable color master batch/toner in the market; the melt flow rate of the PBAT and the PLA at 190 ℃/2.16kg is 3-5g/10 min.

Preferably, the auxiliary agent comprises the following components in parts by weight: 0.5-3 parts of cross-linking agent, 1-8 parts of plasticizer and 0.5-3 parts of lubricant.

Preferably, the auxiliary agent comprises the following components in parts by weight: 0.7-1.5 parts of cross-linking agent, 2-7 parts of plasticizer and 1-2.5 parts of lubricant.

Preferably, the auxiliary agent comprises the following components in parts by weight: 0.8-1.2 parts of cross-linking agent, 3-6 parts of plasticizer and 1.5-2.5 parts of lubricant.

Preferably, the cross-linking agent is one or more of dicumyl peroxide, benzoyl peroxide and 2, 5-dimethyl-2, 5-di-tert-butyl hexane peroxide; the plasticizer is one or more of tributyl citrate, acetyl tributyl citrate, glycerol and epoxidized soybean oil; the lubricant is one or more of stearic acid, butyl stearate, oleamide and ethylene bis stearamide.

The invention also provides a preparation method of the cellulose-based biodegradable insect-attracting board, which comprises the following steps:

s1: uniformly mixing PBAT, PLA, cellulose, biodegradable color master batch/toner and an auxiliary agent according to a ratio to obtain a primary mixed material;

s2: adding the primary mixed material prepared in the step S1 into a bin of a double-screw extruder, extruding and granulating to prepare master batches, adding the master batches into a sheet extruder, and extruding, molding and slitting to obtain a cellulose-based biodegradable insect-attracting board substrate;

s3: spraying pest-sticking glue on two sides of the substrate of the cellulose-based biodegradable insect-attracting board prepared in the step S2 to obtain a pest-sticking glue layer, and covering release paper outside the pest-sticking glue layer to obtain the cellulose-based biodegradable insect-attracting board.

Preferably, in step S1, the extrusion temperature of the first zone to the sixth zone in the bin of the double-screw extruder is 80-240 ℃, the head temperature is 80-240 ℃, and the rotating speed is 30-600 rpm; the extrusion temperature of the sheet extruder is 90-220 ℃; in step S3, the pest-sticking glue is a conventional pest-sticking glue in the market, and the thickness of the pest-sticking glue layer is 0.005-0.08 mm.

By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:

1) uniformly mixing PBAT, PLA, cellulose, biodegradable color master batch/toner and an auxiliary agent, extruding and granulating to prepare master batches, then extruding and molding, slitting to prepare a substrate, spraying pest-sticking glue on two sides of the substrate to form a pest-sticking glue layer, and covering release paper outside the pest-sticking glue layer to prepare the cellulose-based biodegradable insect-attracting board; the invention adds the cellulose into the biodegradable resin, greatly reduces the cost of the biodegradable insect-attracting board, is more beneficial to popularization, simultaneously expands the application of the cellulose and improves the economic benefit of the cellulose.

2) The cellulose-based biodegradable insect-attracting board prepared by the invention can be completely degraded by microorganisms in the nature, and finally generates carbon dioxide and water without polluting the environment.

Detailed Description

The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.