Cellulose based degradable liquid mulch film

Abstract

The invention discloses cellulose-based degradable liquid mulching film, the liquid mulching film is composed through taking the expanding straw fiber as the main raw material and adding corn starch, acrylic acid starch resin, polyvinyl alcohol, triethanolamine, boric acid, polyamide-epichlorohydrin resin, tween-80 and water, The addition amount respectively comprises by taking the parts by weight of the expanding straw fiber as the basic standard 100 parts of the expanding straw fiber, 50 parts to 75 parts of the corn starch, 1 part to 5 parts of the acrylic acid starch resin, 25 parts to 50 parts of polyvinyl alcohol, 10 parts to 30 parts of the triethanolamine, 1 part to 5 parts of boric acid, 1 part to 4 parts of the polyamide-epichlorohydrin resin, 1 part to 6 parts of the tween-80 and 5000 parts to 6000 parts of the water. After the synergistic agent and the weed killer are added, the mulching film has certain fertilizer efficiency and weed killing function. The cellulose-based degradable liquid mulching film has the advantages that the wet strength is large, and the water retaining performance is good; simultaneously, the cellulose-based degradable liquid mulching film has better biological degradability and slow-release performance to the pasticide and fertilizer, the products can be directly sprayed and covered to form a film on the ridge in the field, the film forming process is simple, the use is convenient, and thecellulose-based degradable liquid mulching film is particularly suitable for being used in the northeastern or northwestern area.

Description

1. Technical field [0001] The invention relates to an agricultural mulch film, in particular to a cellulose-based degradable liquid mulch film. 2. Background technology [0002] Agricultural plastic film mulching technology has a history of nearly 40 years in my country. Due to the remarkable effect of film mulching cultivation on increasing production and income, plastic film mulching technology has become an important part of my country's alpine, arid, semi-arid, low-lying, saline-alkali areas, especially in my country's vast areas. It is an important measure for agricultural drought resistance, water saving and crop production increase in Northwest China and Northeast China. At present, the covered area of ​​plastic film in my country has reached 250 million mu, increasing at a rate of 10 million mu every year, and the total annual use of plastic film has exceeded 450,000 tons, ranking first in the world. [0003] The extensive use of agricultural plastic mulch has result...

AI Technical Summary

Problems solved by technology

The products of the two technical solutions are all black liquid films. Due to the use of individual raw materials, the mulch film is not ideal in terms of bonding, fixing, water retention and degradation cycle to the soil, resulting in a narrow range of film application areas, especially in the northeast or Due to the influence of temperature environment in Northwest China, it is difficult to popularize and apply