CN102444044A - Retinervus luffae fructus pulp for manufacturing viscose fiber and preparation method thereof - Google Patents
Retinervus luffae fructus pulp for manufacturing viscose fiber and preparation method thereof Download PDFInfo
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- CN102444044A CN102444044A CN2010105059802A CN201010505980A CN102444044A CN 102444044 A CN102444044 A CN 102444044A CN 2010105059802 A CN2010105059802 A CN 2010105059802A CN 201010505980 A CN201010505980 A CN 201010505980A CN 102444044 A CN102444044 A CN 102444044A
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Abstract
The invention relates to a preparation method of a retinervus luffae fructus pulp for manufacturing viscose fiber, which is characterized in that: the retinervus luffae fructus pulp for manufacturing viscose fiber is prepared by taking retinervus luffae fructus as raw material. The preparation method comprises the steps of preparation of raw materials, boiling, washing, pulp beating, desanding, bleaching, rinsing and pulping. The method specifically comprises the steps of: weighing and adding a fixed amount of pretreated retinervus luffae fructus to a boiler for boiling in alkaline liquid for a certain time; removing residual liquid upon the completion of boiling, then washing the boiled retinervus luffae fructus, pulping in a beater, desanding and bleaching the resultant pulp by chlorination, removing residual liquid and rinsing the pulp, and finally performing pulping on the pulp in a pulp machine to obtain the required retinervus luffae fructus pulp. Compared with traditional pulp-making raw materials like wood or cotton linter, the raw material in the retinervus luffae fructus pulp disclosed by the invention is easier for large-area plantation and development, has simple and convenient production process and low cost, and is an inexpensive raw material easier for large-area development.
Description
Technical field
The present invention relates to a kind of preparation method who is used to make the luffa pulp of viscose, belong to regeneration textile fabric manufacturing technology field.
Background technology
TModified Cellulose Fibers since its have the performance of approximate cotton and well weave and take value, so, more and more more receive people's welcome with respect to synthetic fiber.Yet, because traditional cellulose fibre is a raw material with cotton linter and needle pine and broad-leaved wood mainly, not only need consume a large amount of resources, and because of the big limitations of finiteness of raw material the development of tModified Cellulose Fibers.In order to enlarge the development space of cellulosic material, China's cellulose field of making is successively developed and has been developed multiple pulp raw materials such as bamboo cellulose pulp, sunflower seed skin pulp, cotton stalk bark pulp, the mulberry root bark pulp dregs of rice and corn stalk pulp.
Luffa was exactly a kind of good natural cellulosic feedstocks originally; But because it has the vascular bundle fibre structure; Also directly be not used for the textile garment field at present; And, therefore be used for medicine and healthcare field in a large number, like luffa health insoles, bath article etc. because luffa has good health care and medicine effect and value.This patent is intended to utilize the luffa cellulose up to nearly 80% characteristics, through the pulp manufacturing technique luffa is processed the cellulose fibre pulp, and luffa is developed to new cellulose fibre raw material.While is because the sponge gourd plantation is very convenient, and cost is low, output is high, so also expect to solve thus the difficult problem in short supply of cellulose fibre raw material.
Summary of the invention
The objective of the invention is to want to utilize the sponge gourd plantation convenient, the characteristics that management is simple, cost is low, output is high use luffa that a kind of manufacturing approach of well behaved cellulose pulp raw material with low cost is provided as the cellulose fibre manufacturing.Its technology contents is:
A kind of preparation method who is used to make the luffa pulp of viscose is characterized in that adopting following steps: preliminary treatment, boiling, washes material, making beating, desanding, bleaching, washes, copies slurry, wherein:
Preliminary treatment is removed the peel seed with luffa earlier, becomes broken material with crusher in crushing then;
Boiling is carried out in boiling vessel, cooking liquor consist of NaOH, Na
2S and water, three's mass ratio are 20～30: 3～12: 260～380, the luffa broken material is joined in the cooking liquor with 1: 3～4 mass ratio; Be warming up to 155 ℃ in the clock time at 60～100 minutes; Boiling temperature is 155～175 ℃, digestion time 180～360 minutes, and press filtration gets filter cake;
Wash material: after boiling gained filter cake was washed 1-2 time with clear water, press filtration got filter cake;
Making beating and desanding: will wash material gained filter cake and join in the 5-10 times of clear water; With beater making beating, beating time is 30～90 minutes, no little slurry group in the slurry that requires to obtain; Again the slurry that obtains is carried out desanding in desander, to remove impurity and the fiber fines in the slurry;
Bleaching and washing: the amount that hypochlorite is equivalent to over dry material 3%～5% with effective chlorine dosage joins after the desanding in the gained slip; And the adjustment slurry concentration is 2%～6%, temperature is that 40～60 ℃, pH value are 9～10; Chlorination 40～60 minutes under this condition then bleeds off the clarification raffinate after with clear water slurries being washed;
Copy slurry: the concentration of slurry after clear water is cleaned is adjusted to 3.0%～6.0%, send pulp machine to copy slurry then.
The described preparation method who is used to make the luffa pulp of viscose is characterized in that: in the bleaching process, hypochlorite adopts the mixture of clorox, calcium hypochlorite or clorox and calcium hypochlorite.
The pulp that the present invention adopts luffa manufacturing viscose to use has the following advantages:
1 compares with traditional pulping raw material timber or cotton linter, and raw material more is easy to get, and sponge gourd is as industrial crops; Be to be convenient to one of vegetable variety of planting and managing most, and output is high, production cost is low; Be easy to establishing in large scale, so be a kind of cheap raw material that is easier to the large tracts of land development.
2. the filament content of luffa product is higher, and impurity is few, the product high purity, and the production technology of making pulp with luffa is easy, and good quality of product is expected to compare with tradition, and the slurrying cost is lower.
The specific embodiment
Embodiment 1
Take by weighing craft of 100 parts of processes or machine barking and go seed, the luffa after crusher in crushing to join in the boiling vessel, having added by mass ratio in the boiling vessel is 20 parts of NaOH, 3 parts of Na
2S and 277 parts of mixed solutions that water is formed were warmed up to 155 ℃ at 60 minutes in the clock time, be incubated 350 minutes.Bleed off raffinate after boiling finishes, then the luffa after the boiling is washed.Make the dynamic viscosity of boiling material reach 20 ± 10mpa.s, alpha cellulose content >=90%.In beater, the boiling material is pulled an oar afterwards, adopt shiny beating, require beating consistency 5%, beating time is 30 minutes, and no little slurry group in the slurry that requires to obtain.Again the slurry that obtains is carried out desanding in desander, to remove impurity and the fiber fines in the slurry.Again slurry is carried out the chlorination bleaching, be equivalent to 3% of over dry material amount with effective chlorine dosage, slurry concentration is 2%, and temperature is 40 ℃, and chlorination is 40 minutes under the condition of pH value 9.Bleed off raffinate then and slurries are washed, concentrate and slurry is copied slurry promptly can be made into the luffa pulp that viscose is used copying slurry afterwards.
Embodiment 2
Take by weighing craft of 100 parts of processes or machine barking and go seed, the luffa after crusher in crushing to join in the boiling vessel, having added by mass ratio in the boiling vessel is 25 parts of NaOH, 8 parts of Na
2S and 317 parts of mixed solutions that water is formed were warmed up to 165 ℃ at 80 minutes in the clock time, be incubated 240 minutes.Bleed off raffinate after boiling finishes, then the luffa after the boiling is washed.Make the dynamic viscosity of boiling material reach 20 ± 10mpa.s, alpha cellulose content >=90%.In beater, the boiling material is pulled an oar afterwards, adopt shiny beating, require beating consistency 8%, beating time is 60 minutes, and no little slurry group in the slurry that requires to obtain.Again the slurry that obtains is carried out desanding in desander, to remove impurity and the fiber fines in the slurry.Again slurry is carried out the chlorination bleaching, be equivalent to 4% of over dry material amount with effective chlorine dosage, slurry concentration is 4%, and temperature is 50 ℃, and chlorination is 50 minutes under the condition of pH value 10.Bleed off raffinate then and slurries are washed, concentrate and slurry is copied slurry promptly can be made into the luffa pulp that viscose is used copying slurry afterwards.
Embodiment 3
Take by weighing craft of 100 parts of processes or machine barking and go seed, the luffa after crusher in crushing to join in the boiling vessel, having added by mass ratio in the boiling vessel is 30 parts of NaOH, 12 parts of Na
2S and 358 parts of mixed solutions that water is formed were warmed up to 175 ℃ at 100 minutes in the clock time, be incubated 180 minutes.Bleed off raffinate after boiling finishes, then the luffa after the boiling is washed.Make the dynamic viscosity of boiling material reach 20 ± 10mpa.s, alpha cellulose content >=90%.In beater, the boiling material is pulled an oar afterwards, adopt shiny beating, require beating consistency 10%, beating time is 90 minutes, and no little slurry group in the slurry that requires to obtain.Again the slurry that obtains is carried out desanding in desander, to remove impurity and the fiber fines in the slurry.Again slurry is carried out the chlorination bleaching, be equivalent to 5% of over dry material amount with effective chlorine dosage, slurry concentration is 6%, and temperature is 60 ℃, and chlorination is 60 minutes under the condition of pH value 9.Bleed off raffinate then and slurries are washed, concentrate and slurry is copied slurry promptly can be made into the luffa pulp that viscose is used copying slurry afterwards.
Claims (2)
1. preparation method who is used to make the luffa pulp of viscose is characterized in that adopting following steps: preliminary treatment, boiling, washes material, making beating, desanding, bleaching, washes, copies slurry, wherein:
Preliminary treatment is removed the peel seed with luffa earlier, becomes broken material with crusher in crushing then;
Boiling is carried out in boiling vessel, cooking liquor consist of NaOH, Na
2S and water, three's mass ratio are 20～30: 3～12: 260～380, the luffa broken material is joined in the cooking liquor with 1: 3～4 mass ratio; Be warming up to 155 ℃ in the clock time at 60～100 minutes; Boiling temperature is 155～175 ℃, digestion time 180～360 minutes, and press filtration gets filter cake;
Wash material: after boiling gained filter cake was washed 1-2 time with clear water, press filtration got filter cake;
Making beating and desanding: will wash material gained filter cake and join in the 5-10 times of clear water; With beater making beating, beating time is 30～90 minutes, no little slurry group in the slurry that requires to obtain; Again the slurry that obtains is carried out desanding in desander, to remove impurity and the fiber fines in the slurry;
Bleaching and washing: the amount that hypochlorite is equivalent to over dry material 3%～5% with effective chlorine dosage joins after the desanding in the gained slip; And the adjustment slurry concentration is 2%～6%, temperature is that 40～60 ℃, pH value are 9～10; Chlorination 40～60 minutes under this condition then bleeds off the clarification raffinate after with clear water slurries being washed;
Copy slurry: the concentration of slurry after clear water is cleaned is adjusted to 3.0%～6.0%, send pulp machine to copy slurry then.
2. the preparation method who is used to make the luffa pulp of viscose according to claim 1 is characterized in that: in the bleaching process, hypochlorite adopts the mixture of clorox, calcium hypochlorite or clorox and calcium hypochlorite.
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| CN2010105059802A CN102444044A (en) | 2010-10-14 | 2010-10-14 | Retinervus luffae fructus pulp for manufacturing viscose fiber and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059453A (en) * | 2017-03-15 | 2017-08-18 | 大连工业大学 | A kind of preparation method of sponge gourd cloth, sponge gourd cloth and Healthy trunkses |
| CN107201697A (en) * | 2017-07-13 | 2017-09-26 | 武汉菡美洛建筑材料有限公司 | A kind of luffa wallpaper and preparation method thereof |
| CN108193559A (en) * | 2017-12-11 | 2018-06-22 | 常州市宇科不绣钢有限公司 | A kind of preparation method of cigarette tipping paper |
| CN107044064B (en) * | 2017-03-15 | 2019-04-09 | 大连工业大学 | A kind of production method of antibiotic property sponge gourd cloth, antibacterial sponge gourd cloth and antibacterial mask |
| CN111945453A (en) * | 2020-08-18 | 2020-11-17 | 何建设 | Preparation method of loofah sponge dissolving pulp |
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| CN107059453A (en) * | 2017-03-15 | 2017-08-18 | 大连工业大学 | A kind of preparation method of sponge gourd cloth, sponge gourd cloth and Healthy trunkses |
| CN107044064B (en) * | 2017-03-15 | 2019-04-09 | 大连工业大学 | A kind of production method of antibiotic property sponge gourd cloth, antibacterial sponge gourd cloth and antibacterial mask |
| CN107201697A (en) * | 2017-07-13 | 2017-09-26 | 武汉菡美洛建筑材料有限公司 | A kind of luffa wallpaper and preparation method thereof |
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| CN108193559A (en) * | 2017-12-11 | 2018-06-22 | 常州市宇科不绣钢有限公司 | A kind of preparation method of cigarette tipping paper |
| CN111945453A (en) * | 2020-08-18 | 2020-11-17 | 何建设 | Preparation method of loofah sponge dissolving pulp |
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Owner name: ZIBO LUOWEI CLOTHING CO., LTD. Effective date: 20121019 |
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Effective date of registration: 20121019 Address after: 255086 Zibo high tech Industrial Development Zone, Shandong Province, Chuang Chuang D block, 1012 Applicant after: Shandong University of Technology Applicant after: Zibo Wei Wei Garments Co., Ltd. Address before: 255086 Zibo high tech Industrial Development Zone, Shandong Province, Chuang Chuang D block, 1012 Applicant before: Shandong University of Technology |
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Application publication date: 20120509 |