TWI672414B - Method of making paper or papermaking materials - Google Patents

Abstract

The invention discloses a method for preparing paper or papermaking raw materials, which comprises the steps of material picking, cutting, soaking, one-time washing, bleaching, secondary washing, drying, crushing, and beating, paper-picking, press-drying, baking paper and paper cutting. Wherein, the steps of material drawing, cutting, soaking, one-time cleaning, bleaching, secondary cleaning, drying, crushing, etc. can obtain papermaking materials; and the steps of beating, paper-picking, press-drying, baking paper and paper cutting can be obtained. Paper with better tension and strength.

Description

Method of making paper or papermaking materials

The present invention relates to a method of making a papermaking material, and more particularly to providing a process for obtaining paper or obtaining a raw material for papermaking.

The raw materials of papermaking can be divided into four categories according to their sources, namely plant fiber, animal fiber, inorganic fiber and man-made fiber; different kinds of fiber have different properties, such as length, width, flexibility, toughness, touch and whiteness. , reusability and other functional characteristics. Papermaking is based on the application requirements of paper, first understand the characteristics of various fibers, and then further select the required raw materials; longer fibers usually have better strength but less uniformity; conversely, longer fibers have insufficient strength, but uniformity is superior. Since ancient times, plant fiber has been the most important raw material for papermaking. The ingredients of plants are divided into cellulose, hemicellulose and lignin according to the viewpoint of papermaking chemistry. Secondary components such as inorganic substances, proteins, fatty acids, resins, phenols, etc. . If papermaking uses cellulose and hemicellulose of plants, the lignin will affect the preservation of the paper. Unless the pulp is not bleached for special purposes, the economic cost of using the plant fiber is usually evaluated. Cost and income rate.

It is found that the largest amount of plant fiber is wood pulp, which is the largest source of pulp currently. However, since the source of wood pulp usually has a long growing period and limited resources, it is generally considered to have a great impact on the environment. Therefore, many pulp suppliers In order to maintain the business forever, we will promote the forest certification system of FSC, in order to obtain wood pulp through the management system of the forest farm. However, in the case of Sakamoto, a large number of destruction of forests is a major harm to the environment, even if it is not the best countermeasure through scientific management or reduction of forest protection. Therefore, under the premise of providing good papermaking materials, other plant fibers can be obtained to replace the wood pulp, so that the quality of the paper and the environmental protection issues can be taken into consideration, which will be promoted and implemented in the future.

There is no effective solution to the conventional papermaking materials, so the inventors have in-depth discussions on the above-mentioned fields, and actively researched and invented the case through years of relevant development experience, in order to overcome the existing The problem.

According to the method disclosed in the present invention, the steps mainly include taking materials, cutting, soaking, one-time cleaning, bleaching, secondary cleaning, drying, pulverization, and steps of beating, paper-making, press-drying, baking paper and paper cutting. . Among them, the steps of taking materials, cutting, soaking, once washing, bleaching, secondary washing, drying, crushing, etc. are taken from banana stems, pineapple leaves, cornstalks, coconut fibers, and bamboo fibers, and are removed by soaking and washing. Chlorophyll, pectin and impurities are then dried and pulverized to obtain papermaking materials. After obtaining the papermaking material, the steps of beating, drawing paper, pressing dewatering, baking paper and paper cutting are performed; the papermaking raw material is formed into pulp in the pulp tank, the paper is used for drawing paper, and then pressed and dehydrated and dried, and cut The method of making paper by paper.

Therefore, by using the above-mentioned method, in addition to the banana stem, the pineapple leaf, and the corn stalk as the source of the plant fiber, and contributing to the environmental protection issue of recycling, the fiber and the appropriate length and fineness can be obtained by the beating process, and the fiber is obtained. After the feathering, the interweaving between the fibers is more complete, and this method can obtain a paper with better tensile strength and strength.

10‧‧‧Material

20‧‧‧Cut

30‧‧‧ soak

40‧‧‧A cleaning

50‧‧‧bleaching

60‧‧‧Second cleaning

70‧‧‧Drying

80‧‧‧Smash

90‧‧‧Battering

91‧‧‧Paper

92‧‧‧Squeezing dewatering

93‧‧‧ baking paper

94‧‧‧Cut paper

The first figure is a schematic diagram of the preparation of the papermaking raw material of the present invention; the second figure is a schematic diagram of the manufacturing method of the papermaking of the present invention.

The detailed description of the preferred embodiments of the present invention will be apparent and In addition, the present invention is to be described in detail with reference to the accompanying drawings.

The structure of the present invention and the achievable effects thereof are as follows:

Please refer to the step diagram of the first embodiment of the present invention shown in the first figure. The invention is a method for preparing a papermaking raw material, which comprises taking material 10, cutting 20, soaking 30, cleaning once 40, bleaching 50, and cleaning twice. Drying 70, crushing 80, etc.; wherein:

Take 10 and take banana stalk, pineapple leaf, corn stalk, coconut fiber and bamboo fiber as materials for use.

Cutting 20, the material is cut to an appropriate length, preferably 5-6 cm cube in the present invention.

Soak 30, place the cut material in a container and add sodium hydroxide, heat to 100 ° C for one to three hours to remove chlorophyll from the material and Pectin.

After one cleaning 40, after the soaking step is completed, the material is washed with a high pressure water column to remove chlorophyll and pectin which are not completely removed in the soaking step, and the material is cleaned to remove impurities.

Bleaching 50, the material that completes the 40-step cleaning process is added to the bleaching agent to make it white.

After the second cleaning 60, after 50 steps of bleaching, the material is washed again with a high pressure water column to completely remove chlorophyll, pectin and impurities.

Drying 70, drying at a suitable temperature to remove moisture from the material, removing at least 98% of moisture.

The paper 80 is pulverized, and the material for completing the drying step is pulverized by a pulverizer, and the size of 1.5 cm cube sieved by the sieve is used to complete the preparation method of the papermaking material.

According to the method for preparing papermaking raw materials according to the present invention, banana stems, pineapple leaves, cornstalks are taken 10, cut 20, soaked 30, once cleaned 40, bleached 50, washed twice, dried 70, crushed 80, etc. After that, the chlorophyll, the fruit acid and the impurities in the material are sufficiently removed to obtain a papermaking raw material. Since the banana stalk, the pineapple leaf, the corn stalk, the coconut fiber, and the bamboo fiber are used as the plant fiber source, the waste is recycled. The use of plant fiber is economical, the material collection cost is low, the treatment cost and the income rate can be maintained at a very high level, and it contributes a lot to environmental protection issues.

Referring to the second embodiment of the present invention shown in the second figure, the second embodiment of the present invention is a method for manufacturing paper, in particular, a method for manufacturing rice paper; including material 10, cutting 20, soaking 30 One time cleaning 40, bleaching 50, secondary cleaning 60, drying 70, crushing 80; and beating 90, fishing paper 91, pressing dewatering 92, baking paper 93 and cutting paper 94; the material 10, cutting 20, soaking 30, The steps of one-time cleaning 40, bleaching 50, secondary cleaning 60, drying 70, pulverizing 80, etc. are the same as those described in the first embodiment, and the material after the pulverization 80 steps is soaked into the pulp tank mixed with the aqueous liquid, Then, the steps of beating 90, collecting paper 91, pressing dewatering 92, baking paper 93, and cutting paper 94 are performed; wherein:

Beating 90, the material is defibrated through a beater to obtain the desired length and fine hair-like fibers. When the pulp is beaten and the fibers are feathered, the interwoven fibers are more complete.

Paper 91, after the completion of the 90 steps of the beating, add the suspending agent (dispersant), and stir evenly. Use the sieve mold to swing in the pulp tank in the front and rear of the swing wave, so that the pulp is evenly distributed on the sieve mold, as needed. The thickness of the paper determines the pulp concentration and the shaking time. After the nylon thread is placed, the water is dripped one by one.

The dewatering 92 is pressed, and the picked up paper is stacked on the paper bed of the paper press, and the whole stack of paper is pressurized to discharge the water.

Drying paper 93, the paper after pressing dewatering 92 is taken out carefully, placed on a dry iron plate to be dried, and the paper brush is attached to the plane of the iron plate by a brush, and the paper is checked for damage or defect.

Cut the paper 94, cut the dried paper to the required size, and complete the packaging.

According to the method for making papermaking according to the present invention, the steps of the banana stem, the pineapple leaf, the corn pole by the material 10, the cutting 20, the soaking 30, the cleaning 40, the bleaching 50, the secondary cleaning 60, the drying 70, the crushing 80, etc. Fully removed from the material After chlorophyll, fruit acid and impurities are used as raw materials, papermaking is completed by steps of beating 90, fishing paper 91, pressing dewatering 92, baking paper 93 and cutting paper 94; except that banana stem and pineapple leaves are used as plant fiber sources, In addition to contributing to environmental protection issues, the length and fineness of the fiber filaments can be obtained during the beating process, and the fibers are feathered to complete the interweaving between the fibers. This method can obtain paper with better tensile strength and strength. And because of the fine fiber, its uniformity is also very good.

The papermaking raw material and the papermaking method can be obtained by the above-mentioned papermaking or papermaking raw material production method, and the above is a specific embodiment of the present invention and the technical means used, and many derivatives can be derived according to the disclosure or teaching herein. The changes and modifications are still considered to be equivalent changes of the present invention, and the effects thereof are still beyond the spirit of the specification and the drawings, and should be considered as being within the technical scope of the present invention.

The present invention is not limited by the embodiments disclosed above, but is not intended to limit the invention. On the contrary, the purpose is to cover various variations; therefore, the present invention has many advantages and has significant practical characteristics, and the technical means and structural features thereof are indeed developed by the inventor of the present invention. The system has not been seen in the market. The invention has been in compliance with the requirements of the patent, and the application has been filed according to law, and the patent right is prayed.

Claims (1)

The invention relates to a method for preparing paper or papermaking materials, which comprises the steps of material picking, cutting, soaking, one-time washing, bleaching, secondary cleaning, drying, pulverizing, and paper-drawing, press-drying, baking paper and paper cutting; wherein: the material is taken Take banana stalks, pineapple leaves, corn stalks, coconut fiber or bamboo fiber as materials; the cutting system cuts the obtained material into 5-6 cm cube; the immersion system places the cut material in a container and adds hydrogen Sodium oxide, heated to 100 ° C for one to three hours to remove chlorophyll and pectin from the material; the primary cleaning uses high pressure water column to rinse the material to remove chlorophyll and pectin not completely removed in the soaking step, while cleaning material is removed Impurity; the bleaching is to add the material to the bleaching agent to make it white; the secondary cleaning system uses the high-pressure water column to rinse the material again to completely remove the chlorophyll, pectin and impurities; the drying system is heated and dried at a suitable temperature. To remove 98% of the water in the material; the pulverizing material is pulverized by a pulverizer and sieved by a mesh of 1.5 cm cube to complete the papermaking material. The beating system foams the material after the pulverization step into the pulp tank mixed with the water liquid, and after adding less than 0.5% of PE or glue, the material is defibrated by the beater to obtain the desired length and fineness. Such as hair-like fibers, when the pulp is beaten and the fibers are feathered, the interweaving between the fibers is more complete; the paper is added to the suspending agent and stirred evenly, and the sieve is used in the pulp tank to swing back and forth. The pulp is evenly distributed on the sieve mold, and the nylon thread is placed, and then the water is drained one by one; the press dewatering system stacks the picked up paper on the paper bed of the paper press, and then stacks the stack. The paper is pressed to discharge the moisture; the paper is taken out of the dehydrated paper and placed on a dry iron plate for drying. The brush attaches the paper brush to the plane of the iron plate, and at the same time checks whether the paper is damaged or flawed; the paper cuts the dried paper to the required size and completes the packaging.