Production method of facial tissue capable of being wetted with water

A production method and paper towel technology are applied in pulp beating/refining methods, papermaking, textiles and papermaking, etc., and can solve problems such as increased raw material cost, production process cost, etc.

Inactive Publication Date: 2017-11-03
上海东冠纸业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the paper towel can be wetted by adopting a multi-layer structure, and both the raw material cost and the manufacturing process cost are significantly increased.

Method used

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  • Production method of facial tissue capable of being wetted with water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of preparation method of wet paper towel adopts the following steps to prepare:

[0022] (1) Put 1610 kg of North American softwood pulp and 1750 kg of Brazilian hardwood pulp into the long and short fiber pulpers respectively, North American softwood pulp, wet weight 18g, knocking degree 12 ° SR, Brazilian hardwood pulp, wet weight 3g, percussion degree 14°SR. Add water to adjust the concentration to 5.5wt% and then disintegrate. The disintegration time is 10 minutes, and then pumped into the long and short fiber pulp pool respectively;

[0023] (2) adjust the concentration of North American softwood pulp to 4.5wt% in the pulp tank before the long fiber tap, enter the refiner, control the energy consumption of refining to 95kwh / t, carry out fiber cutting and splitting, fiber cutting and splitting The wet weight of the mixed wood pulp in the wood pulp after silk broomification is 13g, and the degree of beating is 20°SR, and then enters the long fiber pulp pool a...

Embodiment 2

[0029] A kind of preparation method of wet paper towel adopts the following steps to prepare:

[0030] (1) Put 1,500 kg of North American softwood pulp and 1,500 kg of Brazilian hardwood pulp into the long-fiber pulper and short-fiber pulper respectively. The North American softwood pulp has a wet weight of 20g and a knocking degree of 13°SR, and is made of Brazilian hardwood pulp, wet weight 3g, percussion degree 15 ° SR. Add water to adjust the concentration of the wood pulp to 5.0wt%, then disintegrate for 8 minutes, and then pump it into the long fiber pulp tank and the short fiber pulp tank respectively;

[0031] (2) Add water to adjust the concentration of North American softwood pulp to 4.0wt% in the pulp tank before the long fiber is tapped, and then put it into the first refiner to carry out fiber cutting and fiber separation, after fiber cutting and fiber separation, wood The wet weight of the mixed wood pulp in the pulp is 14g, the beating degree is 22°SR, and then...

Embodiment 3

[0037] A kind of preparation method of wet paper towel adopts the following steps to prepare:

[0038] (1) Put 1,400 kg of North American softwood pulp and 1,600 kg of Brazilian hardwood pulp into the long-fiber pulper and short-fiber pulper respectively. The North American softwood pulp has a wet weight of 21g and a knocking degree of 15°SR, and is made of Brazilian hardwood Pulp, wet weight 4g, percussion degree 16 ° SR. Add water to adjust the concentration of wood pulp to 6.0wt%, then disintegrate for 12 minutes, and then pump them into the long fiber pulp tank and the short fiber pulp tank respectively;

[0039] (2) Add water to adjust the concentration of North American softwood pulp to 4.5wt% in the pulp tank before the long fiber is tapped, and then put it into the first refiner to carry out fiber cutting and fibrillation, after fiber cutting and fibrillation, wood The wet weight of the mixed wood pulp in the pulp is 15g, the beating degree is 24°SR, and then sent to ...

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PUM

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Abstract

The invention relates to a production method of a facial tissue capable of being wetted with water. The production method comprises: respectively adding water to needlebush pulp and hardwood pulp, adjusting the needlebush pulp concentration and the hardwood pulp concentration to 5.0-7.0 wt%, and crushing for 8-15 min; adjusting the needlebush pulp concentration to 4.0-5.0 wt%, and carrying out fiber cutting and fibrillation in a grinder; adding water to adjust the hardwood pulp concentration to 4.0-5.0 wt%, and carrying out fiber defibrating in a defibrating machine; mixing 50-60% of the needlebush pulp and 50-40% of the hardwood pulp, adjusting the concentration to 3.0-4.0 wt%, and carrying out further cutting and fibrillation through the grinder; adding a wet strength agent and a softener to the mixed pulp, and adjusting the concentration to 2.9-3.1 wt%; and diluting the obtained mixed pulp to 0.2-0.25 wt% by using a pulp beating pump, feeding into a papermaking machine, molding, squeezing, and drying to finally prepare the product. According to the present invention, when the prepared facial tissue used for water wiping and sweat wiping, the facial tissue is not broken, and no residue paper exists; the prepared facial tissue can be used as the wet wipe and the face washing towel after the prepared facial tissue is wetted with the water; and the hand feeling and the smoothness of the facial tissue are improved, such that the use is comfortable.

Description

technical field [0001] The invention relates to a method for making paper towels, in particular to a method for making wettable paper towels. Background technique [0002] Common paper towels currently on the market, such as facial tissue, handkerchief paper, etc., can only be used dryly, and are easily broken after being wet and cannot be used any longer, which brings great inconvenience to people's daily use. Chinese patent CN2592097Y discloses a multifunctional wet paper towel, which has a layer of wet-strength paper or water-absorbing paper, and at least one layer of wet-water paper is pressed on the upper and lower sides of the wet-strength paper or water-absorbing paper to form a three-layer or multi-layer laminate. The layered structure of wet strength paper or absorbent paper is infiltrated and adsorbed with a wetting agent prepared from a variety of raw materials. However, the paper towel can be wetted by adopting a multi-layer structure, and both the raw material ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H15/10D21H11/08D21H21/14D21H21/20D21B1/34D21D1/20
CPCD21H15/10D21B1/345D21D1/20D21H11/08D21H21/14D21H21/20
Inventor 孔佳锦黄海丽
Owner 上海东冠纸业有限公司
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