阅读说明：本技术 一种吸水性强的餐巾纸的制备方法 (Preparation method of napkin paper with strong water absorption ) 是由 张秋菊 于 2020-06-11 设计创作，主要内容包括：本发明公开了一种吸水性强的餐巾纸的制备方法,包括以下步骤：S1、按重量份计,取竹材30-50份和木材50-70份,对称取的原料进行清洗,然后在放入蒸锅内预蒸1-1.5小时,取出原料,加入磨木机中磨碎成纸浆,将纸浆导入储浆池中备用；S2、将储浆池内的浆液冷却10-30分钟,再对冷却后的纸浆过300-400目筛,得到筛选后的混合纸浆备用；S3、将混合纸浆放入打浆机中,打浆至打浆度为20-25°SR,获得纤维浆料；S4、在浆料中加入质量分数为0.5-1.0％的湿强剂和0.25-0.5％的吸水树脂,进行搅拌混合；本发明一种吸水性强的餐巾纸的制备方法,方法简单,生产出的餐巾纸吸水性强,韧性好,在吸水后不容易破损,使用方便,且制备的餐巾纸的抗菌性能较好,增加了餐巾纸的性能。(The invention discloses a preparation method of napkin paper with strong water absorption, which comprises the following steps: s1, taking 30-50 parts of bamboo and 50-70 parts of wood according to parts by weight, cleaning the weighed raw materials, pre-steaming the materials in a steamer for 1-1.5 hours, taking out the raw materials, adding the raw materials into a wood grinding machine, grinding the raw materials into paper pulp, and guiding the paper pulp into a pulp storage tank for later use; s2, cooling the slurry in the slurry storage tank for 10-30 minutes, and then sieving the cooled paper pulp through a 300-400-mesh sieve to obtain the screened mixed paper pulp for later use; s3, placing the mixed paper pulp into a beating machine, and beating until the beating degree is 20-25 degrees SR to obtain fiber pulp; s4, adding wet strength agent with the mass fraction of 0.5-1.0% and water-absorbing resin with the mass fraction of 0.25-0.5% into the slurry, and stirring and mixing; the preparation method of the napkin paper with strong water absorption is simple, the produced napkin paper has strong water absorption, good toughness, difficult damage after water absorption and convenient use, and the prepared napkin paper has better antibacterial property and increased property.)

1. A preparation method of napkin paper with strong water absorption is characterized in that: the method comprises the following steps:

s1, taking 30-50 parts of bamboo and 50-70 parts of wood according to parts by weight, cleaning the weighed raw materials, pre-steaming the materials in a steamer for 1-1.5 hours, taking out the raw materials, adding the raw materials into a wood grinding machine, grinding the raw materials into paper pulp, and guiding the paper pulp into a pulp storage tank for later use;

s2, cooling the slurry in the slurry storage tank for 10-30 minutes, and then sieving the cooled paper pulp through a 300-400-mesh sieve to obtain the screened mixed paper pulp for later use;

s3, placing the mixed paper pulp into a beating machine, and beating until the beating degree is 20-25 degrees SR to obtain fiber pulp;

s4, adding wet strength agent with the mass fraction of 0.5-1.0% and water-absorbing resin with the mass fraction of 0.25-0.5% into the slurry, and stirring and mixing;

s5, preparing an antibacterial liquid and a composite toughening agent, adding the antibacterial liquid with the mass fraction of 2-5% and the composite toughening agent with the mass fraction of 1-2% into the slurry obtained by stirring and mixing S4, and stirring and mixing the slurry to obtain slurry to be processed;

s6, performing desanding treatment on the slurry prepared in the S5, and performing pulp screening treatment on the desanded slurry to screen out undecomposed blocky or large-size fibers in the slurry;

s7, spraying the slurry in the S6 on a forming mesh to form paper webs, dehydrating the paper webs, performing squeezing dehydration and hot air drying on the paper webs, performing calendaring treatment on the dried paper webs, peeling off the paper webs, and slitting to obtain napkin paper;

and S8, classifying and packaging the napkins obtained in the S7.

2. The method for preparing a napkin having high water absorbency according to claim 1, wherein: the wet strength agent in S4 is a melamine formaldehyde resin.

3. The method for preparing a napkin having high water absorbency according to claim 1, wherein: the antibacterial liquid in the S5 is prepared from the following components in parts by weight: 8-12 parts of dandelion, 12-15 parts of honeysuckle, 6-9 parts of coptis chinensis, 4-7 parts of plantain seed, 5-7 parts of fructus forsythiae, 9-11 parts of mint, 8-10 parts of cacumen biotae and 120 parts of water, adding the dandelion, the honeysuckle, the coptis chinensis, the plantain seed, the fructus forsythiae, the mint, the cacumen biotae and the water into a container, heating for 3-4 hours, and sieving with a 300-mesh sieve and a 400-mesh sieve to obtain the antibacterial liquid.

4. The method for preparing a napkin having high water absorbency according to claim 1, wherein: the composite toughening agent in S5 is prepared from the following components in parts by weight: 3-5 parts of mannitol, 8-10 parts of lignocellulose, 0.2-1 part of olive oil and 0.4-0.8 part of soybean oil, and reacting the mannitol, the lignocellulose, the olive oil and the soybean oil for 25-35 minutes under the pressure of 0.12-0.16MPa, wherein the reaction temperature is 245-255 ℃, so as to obtain the composite toughening agent.

5. The method for preparing a napkin having high water absorbency according to claim 1, wherein: and (8) drying by hot air in S7, wherein the temperature of the hot air is controlled to be 90-100 ℃.

Technical Field

The invention relates to the field related to napkin preparation, in particular to a preparation method of a napkin with strong water absorption.

Background

The napkin paper includes facial tissue, wet tissue, etc. The napkin paper is a sanitary product which is contacted closely and used frequently in daily life, and the dry napkin paper is commonly used in our ordinary times and is used for replacing handkerchiefs or towels, and the names of the dry napkin paper are various, such as handkerchiefs, facial tissues, napkins, paper towels, toilet paper, towel paper, paper towels and the like. They are made of crepe paper, and have different packages, such as bags, boxes, drums, rolls and the like. The products do not need disinfection treatment, and can completely meet the sanitary requirements specified by the state as long as the production environment and the raw materials are clean and sanitary.

The existing napkin paper has poor water absorption, and is easy to damage when the water absorption is enough, which brings inconvenience to the use.

Disclosure of Invention

The present invention has been made to solve the above-mentioned problems occurring in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a preparation method of napkin paper with strong water absorption comprises the following steps:

s1, taking 30-50 parts of bamboo and 50-70 parts of wood according to parts by weight, cleaning the weighed raw materials, pre-steaming the materials in a steamer for 1-1.5 hours, taking out the raw materials, adding the raw materials into a wood grinding machine, grinding the raw materials into paper pulp, and guiding the paper pulp into a pulp storage tank for later use;

s2, cooling the slurry in the slurry storage tank for 10-30 minutes, and then sieving the cooled paper pulp through a 300-400-mesh sieve to obtain the screened mixed paper pulp for later use;

s3, placing the mixed paper pulp into a beating machine, and beating until the beating degree is 20-25 degrees SR to obtain fiber pulp;

s4, adding wet strength agent with the mass fraction of 0.5-1.0% and water-absorbing resin with the mass fraction of 0.25-0.5% into the slurry, and stirring and mixing;

s5, preparing an antibacterial liquid and a composite toughening agent, adding the antibacterial liquid with the mass fraction of 2-5% and the composite toughening agent with the mass fraction of 1-2% into the slurry obtained by stirring and mixing S4, and stirring and mixing the slurry to obtain slurry to be processed;

s6, performing desanding treatment on the slurry prepared in the S5, and performing pulp screening treatment on the desanded slurry to screen out undecomposed blocky or large-size fibers in the slurry;

s7, spraying the slurry in the S6 on a forming mesh to form paper webs, dehydrating the paper webs, performing squeezing dehydration and hot air drying on the paper webs, performing calendaring treatment on the dried paper webs, peeling off the paper webs, and slitting to obtain napkin paper;

and S8, classifying and packaging the napkins obtained in the S7.

Preferably, the wet strength agent in S4 is a melamine formaldehyde resin.

Preferably, the antibacterial liquid in the S5 is prepared from the following components in parts by weight: 8-12 parts of dandelion, 12-15 parts of honeysuckle, 6-9 parts of coptis chinensis, 4-7 parts of plantain seed, 5-7 parts of fructus forsythiae, 9-11 parts of mint, 8-10 parts of cacumen biotae and 120 parts of water, adding the dandelion, the honeysuckle, the coptis chinensis, the plantain seed, the fructus forsythiae, the mint, the cacumen biotae and the water into a container, heating for 3-4 hours, and sieving with a 300-mesh sieve and a 400-mesh sieve to obtain the antibacterial liquid.

Preferably, the composite toughening agent in S5 is prepared from the following components in parts by weight: 3-5 parts of mannitol, 8-10 parts of lignocellulose, 0.2-1 part of olive oil and 0.4-0.8 part of soybean oil, and reacting the mannitol, the lignocellulose, the olive oil and the soybean oil for 25-35 minutes under the pressure of 0.12-0.16MPa, wherein the reaction temperature is 245-255 ℃, so as to obtain the composite toughening agent.

Preferably, the hot air drying treatment in S7 is performed by controlling the temperature of the hot air to 90 to 100 degrees.

Compared with the prior art, the invention has the beneficial effects that: the preparation method of the napkin paper with strong water absorption is simple, the produced napkin paper has strong water absorption, good toughness, difficult damage after water absorption and convenient use, and the prepared napkin paper has better antibacterial property and increased property.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.