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A kind of refined production method of apocynum fiber

A kind of technology of apocynum fiber and production method, which is applied in the field of hemp fiber processing, can solve the problems of large amount of chemicals used, short and low strength of apocynum fiber, and achieve environmental protection pressure reduction, enhanced wettability, and good fiber strength index Effect

Active Publication Date: 2018-09-18
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The purpose of the present invention is to provide a refined production method of apocynum fiber, to overcome the ubiquitous time-consuming and long consumption of chemicals in the degumming method of the prior art, and the prepared apocynum fiber is short, thick and hard. , low strength and other technical problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0078] Apocynum bast raw material origin: Xinjiang

[0079] The processing method is as follows:

[0080] Put the apocynum bast in a steaming ball, a cooking pot or a cooking tank, immerse in the cooking liquid, heat to a boiling state, and cook for 0.5 hour to remove impurities from the apocynum bast.

[0081] Put the raw material of apocynum after cooking and removing impurities directly into the steam flash explosion device, heat it so that the water vapor pressure in the steam flash explosion device is 1.0MPa, and keep this pressure for 1 minute; then open the valve and release the pressure rapidly;

[0082] Collect the Apocynum fiber ejected from the steam flash explosion equipment, then make cakes, put the obtained Apocynum bast and the hemp cage together in the degumming tank, and pump in CuSO with a mass percentage concentration of 0.05% 4 solution, until the bast of apocynum was submerged, at room temperature, the CuSO 4 Circulate the solution internally and externa...

Embodiment 2

[0091] Apocynum bast raw material origin: Xinjiang

[0092] The processing method is as follows:

[0093] Put the apocynum bast in a steaming ball, a cooking pot or a cooking tank, immerse in the cooking liquid, heat to a boiling state, and cook for 0.5 hour to remove impurities from the apocynum bast.

[0094] Put the raw material of apocynum after cooking and removing impurities directly into the steam flash explosion device, heat to make the water vapor pressure in the steam flash explosion device be 1.5MPa, and keep this pressure for 5 minutes; then open the valve and release the pressure rapidly;

[0095] Collect the apocynum fiber ejected from the steam flash explosion equipment, then make cakes, put the obtained apocynum bast and the hemp cage in the degumming tank together, and pump in the CuCl with a mass percentage concentration of 0.1%. 2 Solution, until the bast of apocynum is submerged, at room temperature, use a high-pressure pump to make CuCl 2 The solution wa...

Embodiment 3

[0104] Apocynum bast raw material origin: Xinjiang

[0105] Processing method: remove CuSO 4 The mass percent concentration of the solution is 1%, the continuous cooking time of the alkaline degumming solution is 2 hours, the urea peroxide solution is used instead of hydrogen peroxide, and the mass percent concentration of the urea peroxide solution is 1.5%;

[0106] All the other are the same as in Example 1.

[0107] Product inspection test results:

[0108] The obtained apocynum fiber has a residual glue rate of 4.62%, an average fiber length of more than 35mm, a fiber strength of 6.2cN / dtex and a fiber fineness of 3.9dtex.

[0109] It should be pointed out that the above-mentioned surfactants can also be, such as: sodium dodecylsulfonate, sodium lauryl sulfate, sodium dodecylbenzenesulfonate, sodium dioctyl sulfosuccinate, lauryl Alcohol sulfate MA24F, sodium secondary alkyl sulfonate SAS60, pull open powder, fast penetrating agent T, penetrating agent JFC, Pingpingjia ...

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Abstract

The invention discloses a fine production method of apocynum venetum fibers. The production method includes the steps of: steam-cooking bast of apocynum venetum and removing impurities, performing steam explosion activation treatment, shaping the apocynum venetum bast into cake and placing the apocynum venetum bast in cages; performing oriented catalytic oxidization; and performing chemical degumming and after-treatment. After the steam explosion activation treatment, the oriented catalytic oxidization is carried out to lignin and semi-cellulose by means of a copper salt solution and an activator. Through organic combination of technical means such as the steam explosion degumming treatment and the oriented catalytic oxidization, the production method is good in degumming effect. An apocynum venetum fiber finish product is good in indices such as fineness, length, strength and the like, has high quality and good spinnability. In addition, the method is low in chemical substance consumption quantity and is low in environment-protective stress, is easy to control, is low in consumption on utilities such as water, electricity and steam, and is suitable for industrial production.

Description

technical field [0001] The invention relates to a processing method of hemp fiber, in particular to a refined production method of apocynum fiber. Background technique [0002] Apocynum, also known as wild hemp, Zeqima, red willow, oleander hemp, etc., is a perennial herbaceous plant belonging to the family Apocynaceae, widely distributed in northern China, concentrated in the Tarim River and Xinjiang Along the Kongque River, it is named for its most abundant growth in the Luobu Plain in Xinjiang. Apocynum fiber has many excellent characteristics, soft to the touch and good luster, has the luster of silk, the lightness of hemp, the softness of cotton, the ductility of velvet, and has pharmacological effects. "King of wild fibers", so it is recognized as an ideal textile fiber. [0003] Apocynum fiber is a kind of bast fiber, which is located in the bast tissue on the stem of apocynum plant, in the form of fiber bundles, and individual fibers exist alone. Apocynum monofila...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01C1/00D01B1/14
CPCD01B1/14D01C1/00
Inventor 张元明韩光亭高守武王聪儿宋焱
Owner QINGDAO UNIV
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