Degumming method of boehmeria nivea for mulching films

A degumming method and ramie technology are applied in the field of ramie biological degumming technology, which can solve the problems of stagnant fresh hemp degumming technology, low transportation cost, low processing engineering storage cost, etc.

Active Publication Date: 2016-10-12
INST OF BAST FIBER CROPS CHINESE ACADEMY OF AGRI SCI
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

However, the current centralized degumming method requires dry hemp with relatively stable water content, lower transportation costs, and lower processing and storage costs, which has led to stagnant fresh hemp degumming technology

Method used

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  • Degumming method of boehmeria nivea for mulching films
  • Degumming method of boehmeria nivea for mulching films
  • Degumming method of boehmeria nivea for mulching films

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Embodiment Construction

[0021] Raw materials such as raw hemp of ramie mentioned in the present invention, urea, molasses, chitosan, pectinase all are conventional production and can be purchased in the market. The technical solutions provided by the present invention are all carried out at normal temperature (12-35° C.), and the clear water is tap water, river water, well water, etc. at normal temperature and without pollution. The following descriptions are only preferred implementation examples of the present invention, and do not constitute limitations to the present invention.

[0022] In this implementation case, the quantitative analysis method of the chemical composition of ramie is carried out with reference to the national standard GB5889-86. The steps are:

[0023]1. In the cement pool, 8kg urea, 3kg molasses, 2kg oxalic acid, 0.3kg calcium chloride, 0.20kg chitosan, 0.25kg pectinase and 0.20kg xylanase were dissolved in 500kg of normal temperature tap water by weight In, stir well.

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Abstract

The invention relates to a degumming method of boehmeria nivea. The degumming method comprises steps as follows: a degumming liquid is prepared from substances including pectinase, xylanase, chitosan, urea, oxalic acid, molasses and the like, degumming is performed in an anaerobic environment with a silage processing technology, and by means of post-processing measures such as washing with clean water, mechanical opening and the like, the purpose of moderate degumming of original boehmeria nivea is achieved. With the implementation of the method, silage preparation and boehmeria nivea degumming can be performed synchronously, and fiber products with a certain amount of lignin reserved are obtained. Besides, the original boehmeria nivea preservation cost, the degumming cost and the environmental pollution treatment cost are reduced greatly while fresh boehmeria nivea and byproducts are processed locally and low-cost raw materials are provided for degradable boehmeria nivea fiber films such as boehmeria nivea mulching films/boehmeria nivea seedling films and the like.

Description

technical field [0001] The invention relates to the field of ramie degumming, in particular to a ramie biological degumming process. Background technique [0002] Ramie (Boehmeria nivea L.) is a perennial herbaceous plant of the genus Ramie in the family Urticaceae, and is a traditional economic crop in my country. Ramie fiber is a single fiber and is the strongest type of natural fiber. Moreover, its texture is light, moisture absorption and moisture dissipation are fast, and its air permeability is about 3 times higher than that of cotton fiber. In addition to cellulose, ramie fiber also has accompanying substances such as pectin, hemicellulose, lignin, fat and water-soluble substances, which are collectively referred to as colloids. Under the action of colloid, ramie fiber single cells are loosely arranged and bonded to each other in bast. In order to meet the textile requirements, the raw ramie hemp must be degummed to remove all or part of the glue around the fiber, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01C1/00D01C1/02A23K10/14A23K30/10
CPCD01C1/00D01C1/02
Inventor 熊和平喻春明陈平王延周高钢陈坤梅
Owner INST OF BAST FIBER CROPS CHINESE ACADEMY OF AGRI SCI
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