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Cotton stalk bleach pulp with disinfection function and method of manufacturing the same

A technology of sterilization and cotton stalks, which is applied in pulp bleaching, pulping of cellulose raw materials, chemical/chemical mechanical pulping, etc.

Inactive Publication Date: 2008-01-23
山东亿同多欧纸业投资有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cotton stalk pulp made from the roots of the Malvaceae plant--cotton has both properties of straw pulp and wood pulp. However, due to the limitation of technical conditions and cost conditions, cotton stalks can only produce cotton stalk primary color pulp. See the report on the production of bleached pulp from cotton stalks

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0023] The following is a further explanation in conjunction with specific examples:

[0024] The cotton stalk bleached pulp with sterilizing function of the invention is the cotton stalk bleached pulp made by bleaching the cotton stalk natural color pulp with hydrogen peroxide. The cotton stalk natural color paste is that the cotton stalk is made through the following method:

[0025] 1), crushing;

[0026] 2) Divide into fiber bundles with rubbing and grinding machine;

[0027] 3) Heat the fiber bundles in the soaking chamber with water to 90-100°C to soften the fiber bundles;

[0028] 4) Roughly grind with a high-consistency disc mill, and then squeeze out lignin and black liquor with a pulper to obtain natural color pulp.

[0029] Nanoscale titanium dioxide can also be added to the cotton stalk bleached pulp made after bleaching with hydrogen peroxide decolorizer. The added amount of the nano-scale titanium dioxide is 0.05-3% of the dry weight of the cotton stalk bleac...

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PUM

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Abstract

The invention relates to a bleached cotton-stalk pulp with function of disinfection and sterilization and the preparing method for the pulp, which is to solve the problem associated with prior paper pulp that can't disinfect and sterilize, and is a bleached cotton-stalk pulp made from cotton-stalk natural-color pulp by bleaching with hydrogen peroxide. In the bleached cotton-stalk pulp, additionally some nanometer titanium whiting powder is added. The added volume of the nanometer titanium whiting powder is 0.05-3% of the dry weight of the bleached cotton-stalk pulp. The preparing method comprises in sequence the following procedures: 1) crushing; 2) separating into cellulose bundles by a rubbing and separating machine; 3) adding water onto the cellulose bundles in a moistening bin, heating up to 90-100 centigrade till the cellulose bundles soften; 4) rough grinding by a hi-concentration disc mill, extruding out lignin and black liquid by a pulp-extruding machine to get pulp in natural color; 5) adding water onto the natural-color pulp in a reaction bin, milling and bleaching the pulp by hydrogen peroxide decolorizer, extruding out white liquid by a pulp-extruding machine to get bleached cotton-stalk pulp; 6) neutralizing the extruded black and white liquid, defecating with oxidizing flocculator, the clean water from that will be guided into the moistening bin and the reaction bin for circulating. The invention has the functions of disinfection and sterilization, can be used for making sanitary napkins, napkin paper, hand towels and wall paper, etc. with disinfection function.

Description

technical field [0001] The invention relates to a pulp, in particular to a bleached cotton stalk pulp with the function of sterilization and a preparation method thereof. Background technique [0002] At present, there are many kinds of pulp, among which according to the type of raw materials, it can be divided into straw pulp, wood pulp and grass-wood mixed pulp made of grass and wood raw materials. The cotton stalk pulp made from the roots of the Malvaceae plant--cotton has both properties of straw pulp and wood pulp. However, due to the limitation of technical conditions and cost conditions, cotton stalks can only produce cotton stalk primary color pulp. See the report on the production of bleached pulp from cotton stalks. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned defects of the prior art, and to provide a cotton stalk bleached pulp with a function of sterilization and disinfection, and the purpose of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H11/02D21C9/16D21H17/67D21C3/00
Inventor 李朝旺
Owner 山东亿同多欧纸业投资有限公司
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