CN1256334A - Stretchy paper producing process - Google Patents
Stretchy paper producing process Download PDFInfo
- Publication number
- CN1256334A CN1256334A CN 99117390 CN99117390A CN1256334A CN 1256334 A CN1256334 A CN 1256334A CN 99117390 CN99117390 CN 99117390 CN 99117390 A CN99117390 A CN 99117390A CN 1256334 A CN1256334 A CN 1256334A
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- controlled
- slurry
- washing
- paper
- stretching
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Abstract
In the method, first, digesting alkali amount is raised to control the Kappa number of paper pulp between 27 and 45 on the basis of traditional production process and second, one bleach step is increased between the washing step and the screening and purifying step to improve pulp quality; and at last, during stretching and drying step, the moisture of paper sheet fed to stretcher is controlled in 30-40% and the speed difference inside the stretcher is controlled in 8-10%. The stretchy paper produced based on the said method has high shock resistance.
Description
The present invention relates to a kind of production method of stretchable paper.
Stretchable paper is widely used in numerous areas such as cement packing because good pull resistance and resistance to shock loads ability are arranged.But traditional stretchable paper is because the restriction of manufacturing technique makes that the resistance to shock loads ability of paper is unsatisfactory, and the sense organ of paper is coarse simultaneously, has limited the extensive use of stretchable paper.
Purpose of the present invention is exactly the production method that a kind of stretchable paper will be provided, and overcomes the deficiencies in the prior art, makes the resistance to shock loads ability of the stretchable paper produced with the inventive method improve, and the sensible quality of paper has bigger improvement simultaneously.
The object of the present invention is achieved like this: traditional stretchable paper production method is that raw material is chipped, boiling, and washing, screening purifies, washing concentrating, making beating, applying glue, the high pressure slagging-off makes finished product through hyperextension device stretching drying at last.Technical characterictic of the present invention is at first to be to improve the boiling alkali charge, and the slurry Kappa number is controlled between 27 to 45; Secondly in conventional washing, increase bleaching process between the screening cleaning procedure, improve slurry quality; At last the page moisture that enters stretching property device in control in hyperextension device stretching dry run is 30～40%, and front and back speed difference that will stretching property device is controlled at 8～10%.
Described stretchable paper production method is characterized in that slurry after washing, adds hypochlorite and bleach processing in slurry, makes pulp brightness be controlled at 23～26%.
The present invention is newly-increased bleaching process to slurry in producing stretchable paper technology, and the resistance to shock loads ability of controlling the feasible stretchable paper of being produced of technological parameter in the production process simultaneously improves, and the sensible quality of paper has bigger improvement simultaneously.
Below by embodiment the present invention is further described.
Embodiment: the technological process of traditional mode of production stretchable paper is: raw material → boiling → washing → screening purification → washing concentrating → making beating → applying glue → high pressure slagging-off → selectifier → web part of paper machine → drying front portion → stretching property device → dry rear portion → batch.
A kind of embodiment of the present invention is following technology: at first be to improve boiling alkali charge in the boiling flow process, the slurry Kappa number is controlled between 27 to 45; Secondly in conventional washing, increase bleaching process between the screening cleaning procedure, improve slurry quality, in slurry, add hypochlorite and bleach processing, make pulp brightness be controlled at 23～26%; At last the page moisture that enters stretching property device in control in hyperextension device stretching dry run is 30～40%, and front and back speed difference that will stretching property device is controlled at 8～10%.Its resistance to shock loads ability of stretchable paper of producing with production method of the present invention improves, and the sensible quality of paper has bigger improvement simultaneously.
Claims (2)
1, a kind of production method of stretchable paper comprises raw material is chipped, boiling, and washing, screening purifies, washing concentrating, making beating, applying glue, the high pressure slagging-off makes finished product through hyperextension device stretching drying at last.It is characterized in that it at first being to improve the boiling alkali charge, the slurry Kappa number is controlled between 27 to 45; Secondly in conventional washing, increase bleaching process between the screening cleaning procedure, improve slurry quality; At last the page moisture that enters stretching property device in control in hyperextension device stretching dry run is 30～40%, and front and back speed difference that will stretching property device is controlled at 8～10%.
2, stretchable paper production method as claimed in claim 1 is characterized in that slurry after washing, adds hypochlorite and bleach processing in slurry, makes pulp brightness be controlled at 23～26%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99117390 CN1256334A (en) | 1999-11-26 | 1999-11-26 | Stretchy paper producing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99117390 CN1256334A (en) | 1999-11-26 | 1999-11-26 | Stretchy paper producing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1256334A true CN1256334A (en) | 2000-06-14 |
Family
ID=5280020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99117390 Pending CN1256334A (en) | 1999-11-26 | 1999-11-26 | Stretchy paper producing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1256334A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116001A (en) * | 2010-12-20 | 2011-07-06 | 永州湘江纸业有限责任公司 | Extensible paper for paper bag and production method thereof |
| CN104345125A (en) * | 2014-09-23 | 2015-02-11 | 朱琳 | Method for quickly evaluating willow sulfate pulping technology |
| CN105339549A (en) * | 2013-07-18 | 2016-02-17 | 日本制纸株式会社 | Clupak paper |
| CN108884640A (en) * | 2016-02-29 | 2018-11-23 | 比勒鲁迪克斯那斯公司 | High extensibility sack kraft paper |
| CN110249094A (en) * | 2017-04-06 | 2019-09-17 | 比勒鲁迪克斯那斯公司 | Produce the stretchable paper of height with satisfactory surface property |
-
1999
- 1999-11-26 CN CN 99117390 patent/CN1256334A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116001A (en) * | 2010-12-20 | 2011-07-06 | 永州湘江纸业有限责任公司 | Extensible paper for paper bag and production method thereof |
| CN102116001B (en) * | 2010-12-20 | 2012-06-27 | 永州湘江纸业有限责任公司 | Extensible paper for paper bag and production method thereof |
| CN105339549A (en) * | 2013-07-18 | 2016-02-17 | 日本制纸株式会社 | Clupak paper |
| CN104345125A (en) * | 2014-09-23 | 2015-02-11 | 朱琳 | Method for quickly evaluating willow sulfate pulping technology |
| CN104345125B (en) * | 2014-09-23 | 2016-02-17 | 周栋 | A kind of method of Fast Evaluation willow sulfate pulping technique |
| CN108884640A (en) * | 2016-02-29 | 2018-11-23 | 比勒鲁迪克斯那斯公司 | High extensibility sack kraft paper |
| CN108884640B (en) * | 2016-02-29 | 2021-05-25 | 比勒鲁迪克斯那斯公司 | High-extensibility paper for paper bag |
| CN110249094A (en) * | 2017-04-06 | 2019-09-17 | 比勒鲁迪克斯那斯公司 | Produce the stretchable paper of height with satisfactory surface property |
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Legal Events
| Date | Code | Title | Description |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |