Pteroceltis tatarinowii bark processing method

A processing method, the technology of green sandalwood skin, applied in pulp beating method, pulping with inorganic alkali, chemical/chemical mechanical pulping, etc., can solve the problems affecting the production and preservation of rice paper works, uneven wet strength, long vertical and horizontal fractures Uneven and other problems, to achieve the effect of improving the appearance quality, the same wet strength, and the same tear strength

Inactive Publication Date: 2016-01-13
安徽泾县千年古宣宣纸有限公司
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Problems solved by technology

[0002] At present, the processing of fresh green sandalwood bark includes steps such as steaming, bleaching, beating, and cooking, bleaching, impurity removal, and beating in the fermentation unit of green sandalwood bark. The quality requirements are also getting higher and higher. The rice paper made by ordinary methods is insufficient in tightness, uneven in length and length of breaks, and uneven in wet strength, which affects the production and preservation of rice paper works. In the manufacturing process of rice paper, The processing of green sandalwood bark directly affects the quality of rice paper, so how to correctly and effectively process rice paper is an important challenge facing the rice paper manufacturing industry

Method used

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  • Pteroceltis tatarinowii bark processing method

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Embodiment

[0016] A processing method of green sandalwood bark, the processing method of green sandalwood bark comprises the following steps:

[0017] (1) Cut the collected green sandalwood bark into about 1.2 meters, add an appropriate amount of sodium hydroxide, put it into the green sandalwood steaming stove, and cook it under water for 12-16 hours at room temperature, until the raw green sandalwood skin has a Kappa value of 22.5 -26.2 can be out of the cage;

[0018] (2) Soak the green sandalwood bark out of the cage in water at 10-15°C, add chlorine dioxide and bleach for 20-40 minutes, and after testing the whiteness to 72-80, wash it in running water;

[0019] (3) Remove the branches and bones, and remove the impurities and waste in the green sandalwood bark while drying;

[0020] (4) The green sandalwood bark from which impurities have been removed is put into a beater for beating after passing through the pestle, the beating degree is 26-28, and the wet weight is 7-9 degrees; ...

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Abstract

The invention discloses a Pteroceltis tatarinowii bark processing method. The method comprises the following steps: collecting Pteroceltis tatarinowii barks, and boiling; cooling and bleaching; pounding the barks with a pestle, and preliminarily beating; and immersing the beaten barks in treatment water, and beating again. Compared with the prior art, the method improves the appearance quality of rice paper through bleaching in the initial Pteroceltis tatarinowii bark processing stage, and realizes guaranteeing of the viscosity of rice paper protoplasm and obtaining of protoplasm fibers with large length-to-width ratio and two fibrillated ends through combining the bark pounding step with mechanical beating and through setting the treatment water immersion step between the beating steps, so the tearing strengths and the wet strengths of the obtained rice paper in all directions are same to each other, thereby the Chinese ink wetting property of the rice paper is improved.

Description

technical field [0001] The invention belongs to the technical field of rice paper raw material processing, and in particular relates to a processing method of green sandalwood bark. Background technique [0002] At present, the processing of fresh green sandalwood bark includes steps such as steaming, bleaching, beating, and cooking, bleaching, impurity removal, and beating in the fermentation unit of green sandalwood bark. The quality requirements are also getting higher and higher. The rice paper made by ordinary methods is insufficient in tightness, uneven in length and length of breaks, and uneven in wet strength, which affects the production and preservation of rice paper works. In the manufacturing process of rice paper, The processing of green sandalwood bark directly affects the quality of rice paper, so how to correctly and effectively process rice paper is an important challenge for the rice paper manufacturing industry. Contents of the invention [0003] The pu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21C3/02D21C9/14D21D1/02D21H11/02
Inventor 卢一葵
Owner 安徽泾县千年古宣宣纸有限公司
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