KR20150038853A - Method of preparing Miscanthus sacchariflorus paper and thread using the Miscanthus sacchariflorus fiber - Google Patents
Method of preparing Miscanthus sacchariflorus paper and thread using the Miscanthus sacchariflorus fiber Download PDFInfo
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- KR20150038853A KR20150038853A KR20130117128A KR20130117128A KR20150038853A KR 20150038853 A KR20150038853 A KR 20150038853A KR 20130117128 A KR20130117128 A KR 20130117128A KR 20130117128 A KR20130117128 A KR 20130117128A KR 20150038853 A KR20150038853 A KR 20150038853A
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/02—Material of vegetable origin
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
Abstract
The present invention relates to a method for manufacturing a large size paper and a weft yarn having low cost and unique characteristics by utilizing a large weft.
The present invention can produce such a paper having original characteristics by using such paper pulp or by mixing the paper pulp with that paper pulp. The present invention is economical compared to import-dependent mulberry and wood pulp since it utilizes a giant aphid.
In the present invention, it is possible to sufficiently utilize the paper as a raw material because it has a fiber length and width similar to that of wood pulp.
In addition, since it is a herbaceous plant with a low lignin content, it is easier to decompose cellulose than wood, and the pulp yield is higher than that of mulberry, and the content of chemicals (caustic soda, etc.) Friendly and environmentally friendly.
Description
The present invention relates to a method for producing such paper and yarn. More particularly, the present invention relates to a method of manufacturing a paper and paper having low cost and inherent characteristics by utilizing it.
The technique of manufacturing Korean paper, which was introduced in China, has been developed as a unique paper method of Hanji according to our climate. In general, hanji is steamed with steam for 1 to 3 hours, then the mackerel is peeled and dried in the sun. The white bread is put into a container together with the lye and is sufficiently boiled for 4 to 5 hours, then left without heating for 8 to 12 hours, washed with cold water 2 to 3 times, sun-bleached white cotton is put on a pod, After batting for about 40 to 60 minutes with a bat, it is poured and mixed with water and evenly mixed with water. Then, the dough is put into the dough and dies. Then, the dough is squeezed and dehydrated using a foot. And separating and drying the dehydrated wetland.
Mulberry bast fibers have a uniform fiber thickness, and the length of the fiber is longer than that of the wood fiber and has a high strength, so that it has excellent durability and is used as a main raw material of Korean paper for a long time. However, recently, domestic cultivation of mackerel has been decreasing, and it is currently in the process of importing mackerel (90% or more) and wood pulp (100%) to be mixed. Therefore, it is required to find a material for manufacturing Korean paper which can not only replace mulberry, but also improve physical properties.
Recently, the Rural Development Administration's Bio Energy Research Center has developed and applied a new varieties of a new variety named "Giant Weed No. 1". Miscanthus sacchariflorus, which is referred to as "Giant Weed No. 1", is disclosed in Korean Patent Laid-Open Publication No. 10-2011-0070769 (published on June 24, 2011, entitled " Document 1), and is currently deposited with the Korea Research Institute of Bioscience and Biotechnology under accession number KCTC 11580BP.
The new variety named as 'Great itch 1' is described in the patent publication No. 10-2011-0070769. It has a large soy sauce, coarse ground and underground cuttlefish, per unit area It shows a lot of building quantity.
The present invention provides a method for manufacturing Korean paper using a large scale paper.
The present invention provides a method for producing Korean paper having characteristics such as dumping, humidity control, and beautiful paper texture inherent to paper by using a large scale paper.
The present invention provides a herringbone pulp as a complementary material to the mulberry fiber which has been used as a conventional paper raw material.
The present invention provides an even flame-retardant paper which is free from the emission of harmful components to the environment and human body without burning in a fire.
The present invention provides a whitened flame retardant paper in which whitening or condensation does not occur on the paper surface.
One aspect of the present invention is
Mixing sodium hydroxide, sodium sulfite or a mixture thereof with crushed aphids; Growing the mixture, and removing the foreign matter from the steamed mixture to produce a crude pulp; And pulverizing the paper pulp to produce paper.
A large scale paper containing large sized fibers with the following morphological features.
[Formal Features]
Seed: black cone; Hard water: 170 ± 10 pieces / m 2; Liver: 338 ± 5 cm; Ground surface: 9.6 ± 0.5㎜; Underground habitat: 11.7 ± 0.5㎜; In Building: 6.4 ± 0.5㎏ / ㎡
Another aspect of the present invention is a method for producing a paper sheet, comprising the steps of: cutting the paper to a predetermined width and continuing the ends thereof to produce a paper sheet; And a twisting step of twisting the paper sheet.
The present invention can produce such a paper having original characteristics by using such paper pulp or by mixing the paper pulp with that paper pulp.
The present invention is economical compared to import-dependent mulberry and wood pulp since it utilizes a giant aphid.
In the present invention, it is possible to sufficiently utilize the paper as a raw material because it has a fiber length and width similar to that of wood pulp.
In addition, since it is a herbaceous plant with a low lignin content, it is easier to decompose cellulose than wood, and the pulp yield is higher than that of mulberry, and the content of chemicals (caustic soda, etc.) Friendly and environmentally friendly.
The flame retardant paper according to the present invention can remarkably increase the flame retardancy while taking advantage of paper inherent characteristics such as dirt, humidity control function and paper texture, which are one of the great advantages of paper.
The whitening flame retardant paper according to the present invention hardly releases harmful components and does not cause whitening or condensation on the paper surface.
Figs. 1 and 2 are the results of observing distribution and morphology of the fibers of Korean paper prepared in Example 1, Example 2 and Comparative Example 1 using an image analyzer (lcamscope, Alphasystec Co).
Fig. 3 shows the paper made from Examples 1 and 2 and Comparative Example 1. Fig.
The present invention can be all accomplished by the following description. The following description should be understood to describe preferred embodiments of the present invention, but the present invention is not necessarily limited thereto.
SUMMARY OF THE INVENTION The present invention provides a method of producing paper using it.
The above-mentioned herbaceous plants are classified into the following genera: Miscanthus sacchariflorus (Korean Patent Laid-Open No. 10-2011-0070769, entitled "Herbaceous plant giant herringbone 1", published on June 24, 2011, Patent Document 1) is used.
The megacity is defined as a subspecies with the following morphological features:
Seed: black cone;
Hard water: 170 ± 10 pieces / m 2;
Liver: 338 ± 5 cm;
Ground surface: 9.6 ± 0.5㎜;
Underground habitat: 11.7 ± 0.5㎜;
In Building: 6.4 ± 0.5㎏ / ㎡
The paper of the present invention represents Korean paper made using a large scale paper.
The present invention includes a step of mixing and adding additives to the safflower, a step of producing the safflower pulp with the safflower, and a step of papermaking the paper.
The present invention is to add additives to the herbaceous plants and to remove the impurities contained in the herbaceous plants.
As the above-mentioned additives, sodium hydroxide, sodium sulfite or the like may be used together, and it is preferable to use sodium hydroxide and sodium sulfite together. Further, it is more preferable to add anthraquinone for efficient removal of impurities such as lignin.
It is possible to use a powder having a particle size of 1 to 500 mm, preferably 1 to 200 mm, more preferably 10 to 100 mm, by crushing the giant aphids.
The safflower showed the lignin content of Kappa No. 1. 18 or less.
The Kappa number is determined by ISO 302: 2004 as a measure of the residual lignin content in the pulp.
When sodium hydroxide and sodium sulfite are used together, they may be mixed in the range of 1 to 99:99 to 1.
The mixed additive of sodium hydroxide and sodium sulfite can be added in an amount of 15 to 20% by weight based on the total weight.
The anthraquinone may be added in an amount of 0.05 to 0.3% by weight based on the total weight of the anthraquinone.
The dilution of the mixture can be carried out at 140 캜 or lower, preferably 120 to 130 캜.
In addition, since the giant herbaceous plant is an herbaceous plant, it is easier to decompose cellulose than wood, so that the content of caustic soda added for removing impurities during the cooking process Can be reduced and the steaming temperature can be lowered to 140 ° C or less.
The present invention includes a step of washing the soot pulp obtained in the step of digesting with purified water.
The present invention includes a step of fibrillating the herbaceous pulp with a beater to increase the binding of the fibers. If the fibers are soaked with the bitter for 10 to 30 minutes, the binding of the fibers can be increased and the physical properties (strength, etc.) of the paper can be improved.
The present invention may further comprise any one of the above-mentioned macaws and one or more wood pulp selected from the group consisting of cotton, hemp, ramie, cottonwood, wood pulp, cottonwood and cotton, Pulp can be used.
It can be blended in a weight ratio of 1 to 99: 99 to 1.
The paper produced after the papermaking is dried and refined to produce a papermaking paper.
The method may further comprise bleaching the shredded powder. The bleaching treatment may be carried out by adding bleach such as hydrogen peroxide and sodium hydroxide. In the bleaching reaction, a stabilizer such as sodium silicate may be further added.
The method may further comprise the step of impregnating the flame retardant resin with the prepared paper.
The papermaking step may be a step of blending the flour with the flame retardant resin.
The flame retardant may be a resin obtained by dissolving a phosphorus flame retardant, a guanine flame retardant, phosphoric acid or a glycol in water.
The flame retardant may include 20 to 70 parts by weight of a phosphorus flame retardant, 2 to 30 parts by weight of a guanidine flame retardant, 5 to 30 parts by weight of phosphoric acid, and 1 to 20 parts by weight of water-soluble ethylene glycol, based on 100 parts by weight of water.
The phosphorus flame retardant may be ammonium monophosphate, ammonium polyphosphate or phosphate.
The guanidine-based flame retardant may be guanidine, guanidine sulfamate or guanidine phosphoric acid.
The phosphoric acid-based flame retardant is a polymer in which phosphorus and nitrogen are bonded, has excellent adhesive strength, is easy to crosslink, and has a high flame retardancy.
The phosphoric acid dissolves the phosphorus flame retardant and is used as a catalyst for promoting the reaction with the guanidine flame retardant. The phosphorus flame retardant and the guanidine-based compound may partially react with each other to form a guanidine phosphate compound. The guanidine phosphate compound is adsorbed on fine pores in the paper and remains on the surface of the paper, so that whitening phenomenon does not occur and the adhesive force is not deteriorated.
The glycols include ethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, butadiol, pentanediol, neopentyl glycol, hexamethylene glycol, dodecamethylene glycol and the like, preferably ethylene glycol to be.
The glycols can prevent the water-soluble flame retardant from evaporating, soften the paper, impregnate inside the paper to improve the dimensional stability, and also provide the function as a cryoprotectant for preventing the phosphoric acid-based flame retardant from being frozen.
The method may further include impregnating the flame retardant resin with the prepared paper.
As the flame retardant resin, a phosphorus flame retardant, a guanine flame retardant, a resin obtained by dissolving phosphoric acid and an acrylic polyol in water may be used.
The flame retardant resin may include 20 to 70 parts by weight of a phosphorus flame retardant, 2 to 30 parts by weight of a guanidine flame retardant, 5 to 30 parts by weight of phosphoric acid, and 2 to 25 parts by weight of an acrylic polyol, based on 100 parts by weight of water.
As the phosphorus flame retardant, the guanidine flame retardant, and the phosphoric acid, the above-mentioned flame retardant resin can be referred to.
The acrylic polyol is used for the formation of a microfilm and the promotion of drying. The acrylic polyol may have a weight average molecular weight of 10,000 to 40,000 and can be cured at room temperature. The acrylic polyol resin is preferably contained in an amount of 2 to 25 parts by weight based on 100 parts by weight of water. If the content of the acrylic polyol resin in the total composition is less than 2 parts by weight, quick drying becomes difficult and moisture resistance is lowered. When the content of the acrylic polyol resin exceeds 20 parts by weight, the flame retardancy is lowered and there is a problem of forming a thick coating film.
The flame retardant may further contain 1 to 5 parts by weight of ethylene glycol per 100 parts by weight of water.
The present invention may include a step of applying a coating liquid to the papermaking paper to improve whiteness and gloss, the step of adjusting the thickness and improving the surface smoothness, and the step of winding the paper on a roll through a rewinder process have.
In another aspect, the invention pertains to a sheet of paper produced using giant extra virgin fibers (pulp). The paper of the present invention comprises large excess fibers having the following morphological characteristics.
[Formal Features]
Seed: black cone; Hard water: 170 ± 10 pieces / m 2; Liver: 338 ± 5 cm; Ground surface: 9.6 ± 0.5㎜; Underground habitat: 11.7 ± 0.5㎜; In Building: 6.4 ± 0.5㎏ / ㎡
The large sized paper further comprises mulberry bast pulp, which may be in the range of 1 to 99: 99 to 1 by weight.
The tensile strength of the paper may be 3 kg / cm < 2 > or more for impregnation of the resin and processing of the coating.
Said paper comprises pores between the fibers of the network structure. A flame retardant resin may be impregnated between the papers of the paper. Further, the flame retardant may be coated on the surface of the paper.
In another aspect, the present invention relates to a method of manufacturing a weft thread. The method comprises the steps of cutting a sheet of paper to a predetermined width and continuing the ends of the paper to produce a sheet of paper; And a twisting step of twisting the paper sheet.
The paper sheet is cut into a predetermined width using a slitter to form a paper sheet. The width of the sheet of paper is preferably 2.5 to 3.5 mm.
The paper sheet is continuously formed by using an adhesive to form a long paper sheet, which is then formed into a twisted yarn.
Hereinafter, the present invention will be described in more detail with reference to specific examples, but the examples of the present invention may be modified in various ways, and the scope of the present invention is not limited by the examples.
Example One
Additives (sodium hydroxide or sodium sulfite 15 - 20 wt% and anthraquinone 0.05 - 0.3 wt%) were added to the mixture and the mixture was heated at 130 to 140 ° C for 3 hours. Subsequently, the paper was washed by dissolving the soluble material, dissolving and dissolving, papermaking (weighing 28 g /
Example 2
20: 80, 40: 60, 60: 40, 40, 40, 60, 60, 80, 80, , 80:20)
Comparative Example One
The same procedure as in Example 1 was carried out except that 100% of mulberry pulp was used for papermaking.
Figs. 1 and 2 are the results of observing distribution and morphology of the fibers of Korean paper prepared in Example 1, Example 2 and Comparative Example 1 using an image analyzer (lcamscope, Alphasystec Co).
1 and 2, the uniformity of the hanji fiber disintegration with the 100% sole pulp or the mixed paper pulp with the herb pine and the mulberry blend is somewhat lower than that of the paper made with 100% muni infill pulp. However, And it can be used as a material of Korean paper uniformly. Further, it can be confirmed that the underwater pulp of the present invention and the mulberry and mulberry blended pulp have a fiber length and width similar to those of conventional mulberry pulp, and thus can be sufficiently used as a paper material.
Fig. 3 shows the paper made from Examples 1 and 2 and Comparative Example 1. Fig. 3, the whiteness of Korean paper made only with mulberry bark pulp is the highest, but even in the case of the Korean paper produced in Examples 1 and 2 of the present invention, it does not have a turbidity such that it can not be used as a Korean paper, , And particularly preferably, bleaching treatment is applied to the above-mentioned paper so that it can be used for various kinds of uses.
Example 3
The base paper prepared in Example 2 was passed through a flame retardant resin tank to obtain a 30% flame retardant resin (20 parts by weight of ammonium phosphate, 10 parts by weight of phosphoric acid, 20 parts by weight of guanidine and 10 parts by weight of water- ) Was impregnated with an impregnation amount of 11.0 g / or more. The flame retarded paper was subjected to performance tests three times in accordance with the fire-fighting performance standards of the Ministry of Emergency Management and Remediation 2009-31, Thin Foam. The test results are shown in Table 1.
Notice 2009-31
According to the above Table 1, it can be seen that the flame retarded paper according to the present invention satisfies the notification No. 2009-31 of the National Emergency Management Agency.
It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
Growing the mixture, and removing foreign matter from the steamed mixture to produce a large underfeed pulp; And
Wherein the paper is produced by papermaking the megalithic pulp. ≪ RTI ID = 0.0 > 8. < / RTI >
[Formal Features]
Black cones; Hard water: 170 ± 10 pieces / m 2; Liver: 338 ± 5 cm; Ground surface: 9.6 ± 0.5㎜; Underground habitat: 11.7 ± 0.5㎜; In Building: 6.4 ± 0.5㎏ / ㎡
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20130117128A KR20150038853A (en) | 2013-10-01 | 2013-10-01 | Method of preparing Miscanthus sacchariflorus paper and thread using the Miscanthus sacchariflorus fiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20130117128A KR20150038853A (en) | 2013-10-01 | 2013-10-01 | Method of preparing Miscanthus sacchariflorus paper and thread using the Miscanthus sacchariflorus fiber |
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| KR20150038853A true KR20150038853A (en) | 2015-04-09 |
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| KR20130117128A KR20150038853A (en) | 2013-10-01 | 2013-10-01 | Method of preparing Miscanthus sacchariflorus paper and thread using the Miscanthus sacchariflorus fiber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016173641A1 (en) * | 2015-04-29 | 2016-11-03 | Sca Hygiene Products Ab | Tissue paper comprising pulp fibers originating from miscanthus and method for manufacturing the same |
-
2013
- 2013-10-01 KR KR20130117128A patent/KR20150038853A/en not_active Application Discontinuation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016173641A1 (en) * | 2015-04-29 | 2016-11-03 | Sca Hygiene Products Ab | Tissue paper comprising pulp fibers originating from miscanthus and method for manufacturing the same |
| RU2670867C1 (en) * | 2015-04-29 | 2018-10-25 | Ска Хайджин Продактс Аб | Tissue paper containing silk grass fibrous semifinished products and method of its manufacture |
| RU2670867C9 (en) * | 2015-04-29 | 2018-12-11 | Ска Хайджин Продактс Аб | Tissue paper containing silk grass fibrous semifinished products and method of its manufacture |
| AU2015393147B2 (en) * | 2015-04-29 | 2019-04-18 | Essity Hygiene And Health Aktiebolag | Tissue paper comprising pulp fibers originating from Miscanthus and method for manufacturing the same |
| AU2015393147B9 (en) * | 2015-04-29 | 2019-05-16 | Essity Hygiene And Health Aktiebolag | Tissue paper comprising pulp fibers originating from Miscanthus and method for manufacturing the same |
| US10577748B2 (en) | 2015-04-29 | 2020-03-03 | Essity Hygiene And Health Aktiebolag | Tissue paper comprising pulp fibers originating from miscanthus and method for manufacturing the same |
| CN116289325A (en) * | 2015-04-29 | 2023-06-23 | 易希提卫生与保健公司 | Tissue paper comprising pulp fibers derived from miscanthus and method of making same |
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