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Bagasse-based mulch film and production method thereof

A base film and bagasse technology, which is applied in botany equipment and methods, plant protection, application, etc., can solve the problems of not being able to improve the soil structure, the effect of heat preservation is not obvious, and the film is brittle, and achieve good market prospects. Ease of industrial production and the effect of improving fertility

Inactive Publication Date: 2018-08-14
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the plant fiber mulch shows the characteristics of high rigidity macroscopically, such as easy to break, brittle, hard texture, etc., which brings a lot of inconvenience to the mechanical laying of the mulch. The effect is not obvious, and weeds will grow in damaged places
The invention patent with application number 201610923088.3 discloses a preparation method of degradable functional mulch film in sugarcane fields. The prepared mulch film has the functions of killing insects and weeds, but it still does not fundamentally solve the problem of high brittleness of the mulch film, and it cannot improve the soil well. structure

Method used

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  • Bagasse-based mulch film and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A bagasse-based film comprises the following components according to weight percentage:

[0041] Bagasse Fiber 50%, Chitin Nano Whiskers 10%, Bagasse Biochar 16.5%, Nano CaCO 3 2%, Nano TiO 2 2%, polyvinyl alcohol 6%, corn starch 6%, glycerin 2%, water retaining agent 3%, sorbitol fatty acid ester 2%, mineral 0.5%.

[0042]The water-retaining agent includes the following components in parts by weight: 15 parts of fly ash, 10 parts of zeolite, 20 parts of polypropylene amine, 20 parts of straw powder, and 30 parts of starch-grafted sodium polyacrylate.

[0043] The minerals are dry powders of deep underground water; the dry powder is prepared by heating the deep underground water at 250° C. for 15 minutes to evaporate the water.

[0044] A preparation method of bagasse base film, comprising the following steps:

[0045] S1. Preparation of bagasse fiber:

[0046] 1) take bagasse, then crush and cross 100 mesh sieves to get bagasse powder;

[0047] 2) Add 0.7% H to th...

Embodiment 2

[0058] A bagasse-based film comprises the following components according to weight percentage:

[0059] Bagasse Fiber 50%, Chitin Nano Whiskers 12%, Bagasse Biochar 14.5%, Nano CaCO 3 2%, Nano TiO 2 2%, polyvinyl alcohol 6%, corn starch 6%, glycerin 2%, water retaining agent 3%, sorbitol fatty acid ester 2%, mineral 0.5%.

[0060] The water-retaining agent includes the following components in parts by weight: 15 parts of fly ash, 10 parts of zeolite, 20 parts of polypropylene amine, 20 parts of straw powder, and 30 parts of starch-grafted sodium polyacrylate.

[0061] The minerals are dry powders of deep underground water; the dry powder is prepared by heating the deep underground water at 250° C. for 15 minutes to evaporate the water.

[0062] The preparation method is the same as in Example 1.

Embodiment 3

[0064] A bagasse-based film comprises the following components according to weight percentage:

[0065] Bagasse Fiber 47%, Chitin Nano Whiskers 15%, Bagasse Biochar 14.5%, Nano CaCO 3 2%, Nano TiO 2 2%, polyvinyl alcohol 6%, corn starch 6%, glycerin 2%, water retaining agent 3%, sorbitol fatty acid ester 2%, mineral 0.5%.

[0066] The water-retaining agent includes the following components in parts by weight: 15 parts of fly ash, 10 parts of zeolite, 20 parts of polypropylene amine, 20 parts of straw powder, and 30 parts of starch-grafted sodium polyacrylate.

[0067] The minerals are dry powders of deep underground water; the dry powder is prepared by heating the deep underground water at 250° C. for 15 minutes to evaporate the water.

[0068] The preparation method is the same as in Example 1.

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Abstract

The invention provides a bagasse-based mulch film and a production method thereof, and relates to the field of biomass reuse. The mulch film comprises, by weight, 40-60% of bagasse fibers, 10-20% of chitin nano-whiskers, 10-20% of bagasse biomass carbon, 1-3% of nano-CaCO3, 1-3% of nano-TiO2, 3-10% of polyvinyl alcohol, 3-10% of corn starch, 1-3% of glycerin, 1-5% of a water retention agent, 1-3%of sorbitan fatty acid ester and 0.1-0.5% of mineral matters. The production method comprises the following steps: bagasse fiber preparation, chitin nano-whisker preparation, bagasse biomass carbon preparation, nonwoven netting and bond curing. The mulch film has good strength and air permeability, is degradable, can improve soil after being degraded, and improves the utilization values.

Description

technical field [0001] The invention relates to the field of crop straw utilization, in particular to a bagasse base film and a preparation method thereof. Background technique [0002] Sugarcane is a plant used to produce sucrose. Bagasse is the residue of sugarcane after extracting sucrose. Bagasse is grayish yellow to light green. It is a highly hygroscopic substance containing both hard fibers and soft parenchyma (cane pith )mixture. Bagasse has a concentrated source and a large output, and is an inexhaustible renewable resource. The world produces 5.4×10 6 tons of bagasse. my country is the third largest sugarcane planting country in the world after Brazil and India. There are many provinces in my country that plant sugarcane. Guangxi has now become the largest sugar producing area in my country. In the 2004-2005 crushing season, the sugarcane output reached 41.8 million tons, and the sugar output reached 5.316 million tons, accounting for 58% of the national output...

Claims

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Application Information

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IPC IPC(8): D06M15/11D06M11/74D06M13/224D06M11/76D06M11/46D06M11/79D06M15/285D06M15/01C08B30/18D04H1/42D04H1/425D04H1/492A01G13/02D06M101/04
CPCA01G13/0275C08B30/18D04H1/42D04H1/425D04H1/492D06M11/46D06M11/74D06M11/76D06M11/79D06M13/224D06M15/01D06M15/11D06M15/285D06M2101/04Y02A40/28
Inventor 陆登俊梁欣泉蔡晨晨李坚斌
Owner GUANGXI UNIV
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