CN105113315A - Production method for soft tissue paper - Google Patents
Production method for soft tissue paper Download PDFInfo
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- CN105113315A CN105113315A CN201510495148.1A CN201510495148A CN105113315A CN 105113315 A CN105113315 A CN 105113315A CN 201510495148 A CN201510495148 A CN 201510495148A CN 105113315 A CN105113315 A CN 105113315A
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Abstract
The invention relates to the technical fields of paper making, in particular to a production method for soft tissue paper. The production method comprises the following steps of step one: enabling upper-layer pulp and lower-layer pulp which are different in fiber coarseness to flow out by using a multi-layer pulp flowing box; step two: when the upper-layer pulp flows out, spraying a dry paper strength agent on the lower surface of the upper-layer pulp by using a water mist spraying device, and when the lower-layer pulp flows out, spraying a wet paper strength agent on the upper surface of the lower-layer pulp by using the water mist spraying device; step three: respectively and uniformly spreading the upper-layer pulp and the lower-layer pulp on a formed net; step four: after paper is formed, rolling the paper by using a suction press roll; step five: after the paper is rolled by using the suction press roll, performing secondary heating on the rolled paper by using an oil heating device, sucking water vapor formed after the secondary heating by using a vacuum negative pressure device, and then performing secondary rolling by using a rubber roller.
Description
Technical field
The present invention relates to pulp technology for making paper, particularly relate to a kind of soft thin-paged paper production method.
Background technology
At present, the production of tissue paper all adopts multilayer head box to carry out the distribution of slurry usually, for using different protofibres and secondary stock to provide chance in the production of book page paper simultaneously, and the mode of CONCENTRATION DISTRIBUTION can be adopted, the CONCENTRATION DISTRIBUTION difference of paper is reduced, thus make the laying of whole tissue paper even, thus improve the quality of paper.And follow-up in suction press roll can be adopted paper to be carried out smooth, pressing, sizing, thus form the higher tissue paper of quality.But often there is anti-wet phenomenon in existing tissue paper, be particularly that this phenomenon is more obvious in squeezing exit after suction press roll.The size of anti-wet degree generally follows the concentration of slurry, the dynamics of squeezing, the thickness of paper to have larger relation; usually 10%-15% can be reached; and anti-wet result is the steam quality loss making paper, the anti-tensile degree of paper is declined, make paper be easier to be torn or fragmentary.
Summary of the invention
Therefore, for above-mentioned problem, the present invention proposes that a kind of manufacture craft is simple, tissue paper pliability is moderate, anti-tensile degree is comparatively strong, can prevent anti-wet soft thin-paged paper production method.
For achieving the above object, present invention employs following technical scheme: a kind of soft thin-paged paper production method, comprises the following steps:
The first step, utilizes multilayer head box the upper strata slurry of different fibre coarseness, lower floor's slurry to be flowed out respectively;
Second step, utilizes spraying device to spray dry paper power reinforcing agent at the lower surface of upper strata slurry when upper strata slurry flows out, utilize spraying device to spray moistening paper power reinforcing agent at the upper surface of lower floor's slurry when lower floor's slurry flows out;
3rd step, then evenly paves on forming web respectively by upper and lower layer slurry;
4th step, utilizes suction press roll to carry out roll-in to paper after paper is shaping;
5th step, after suction press roll roll-in, utilizes an oily thermal to carry out post bake to the paper after roll-in, and the steam after utilizing a vacuum negative pressure device to draw post bake, then utilize rubber rollers to carry out secondary roll-in.
Further, the fibre coarseness of described upper strata slurry is 0.14 ~ 0.15mg/m, and the fibre coarseness of described lower floor slurry is 0.10 ~ 0.12mg/m.
Further, described dry paper power reinforcing agent is carboxymethyl cellulose and salt thereof or Polyacrylamide resin and salt thereof or cationic starch or polyvinyl alcohol.
Further, described moistening paper power reinforcing agent is epoxidation polyamide polyamines resin or urea-formaldehyde resin or melamine-formaldehyde resin or dialdehyde starch or polyvinylamine or methylolation polyamide.
Further, described oily thermal comprises a casing, the fluid be installed in casing, be located at for heating the electrical bar of fluid in casing, and described electrical bar is connected with external power source.
By adopting preceding solution, the invention has the beneficial effects as follows: this soft thin-paged paper production method utilizes the upper strata slurry of different fibre coarseness, lower floor's slurry forms the mixed slurry of composition tissue paper, then the lower surface of upper strata slurry is utilized to spray dry paper power reinforcing agent, the upper surface of lower floor's slurry spray moistening paper power reinforcing agent thus make two-layer slurry its effect no longer consistent, and when after mixing, it is more thus make the anti-tensile degree grow of tissue paper one side that upper strata slurry is positioned at the quantity on tissue paper surface, and the pliability of another side is stronger, thus form the stronger one side of pliability for mainly to use face, another side is secondary surface, and utilize oily thermal to carry out post bake to the paper after roll-in, and the steam after utilizing a vacuum negative pressure device to draw post bake, rubber rollers is then utilized to carry out secondary roll-in, thus effectively can solve anti-wet phenomenon, thus improve the quality of tissue paper, further, the fibre coarseness of described upper strata slurry is 0.14 ~ 0.15mg/m, the fibre coarseness of described lower floor slurry is 0.10 ~ 0.12mg/m, utilize specific fibre coarseness, effectively can change the pliability of upper and lower layer slurry, thus coordinate dry paper power reinforcing agent, moistening paper power reinforcing agent, form the tissue paper that one side is more soft, another side anti-tensile degree is higher, make the better quality of paper, further, utilize oily thermal, can the rising of control temperature and reduction well, prevent the unexpected change of temperature and reduce thermoregulator difficulty.
Detailed description of the invention
Now in conjunction with detailed description of the invention, the present invention is further described.
The present embodiment provides a kind of soft thin-paged paper production method, comprises the following steps:
The first step, utilizes multilayer head box the upper strata slurry of different fibre coarseness, lower floor's slurry to be flowed out respectively;
Second step, utilizes spraying device to spray dry paper power reinforcing agent at the lower surface of upper strata slurry when upper strata slurry flows out, utilize spraying device to spray moistening paper power reinforcing agent at the upper surface of lower floor's slurry when lower floor's slurry flows out;
3rd step, then evenly paves on forming web respectively by upper and lower layer slurry;
4th step, utilizes suction press roll to carry out roll-in to paper after paper is shaping;
5th step, after suction press roll roll-in, utilizes an oily thermal to carry out post bake to the paper after roll-in, and the steam after utilizing a vacuum negative pressure device to draw post bake, then utilize rubber rollers to carry out secondary roll-in.
The fibre coarseness of described upper strata slurry is can for the arbitrary numerical value between 0.14mg/m, 0.15mg/m or 0.14 ~ 0.15mg/m, and the fibre coarseness of described lower floor slurry is the arbitrary numerical value between 0.10mg/m, 0.12mg/m or 0.10 ~ 0.12mg/m.
Described dry paper power reinforcing agent is carboxymethyl cellulose and salt thereof or Polyacrylamide resin and salt thereof or cationic starch or polyvinyl alcohol.
Described moistening paper power reinforcing agent is epoxidation polyamide polyamines resin or urea-formaldehyde resin or melamine-formaldehyde resin or dialdehyde starch or polyvinylamine or methylolation polyamide.
Described oily thermal comprises a casing, the fluid be installed in casing, be located at for heating the electrical bar of fluid in casing, and described electrical bar is connected with external power source.
By adopting preceding solution, the invention has the beneficial effects as follows: this soft thin-paged paper production method utilizes the upper strata slurry of different fibre coarseness, lower floor's slurry forms the mixed slurry of composition tissue paper, then the lower surface of upper strata slurry is utilized to spray dry paper power reinforcing agent, the upper surface of lower floor's slurry spray moistening paper power reinforcing agent thus make two-layer slurry its effect no longer consistent, and when after mixing, it is more thus make the anti-tensile degree grow of tissue paper one side that upper strata slurry is positioned at the quantity on tissue paper surface, and the pliability of another side is stronger, thus form the stronger one side of pliability for mainly to use face, another side is secondary surface, and utilize oily thermal to carry out post bake to the paper after roll-in, and the steam after utilizing a vacuum negative pressure device to draw post bake, rubber rollers is then utilized to carry out secondary roll-in, thus effectively can solve anti-wet phenomenon, thus improve the quality of tissue paper, further, the fibre coarseness of described upper strata slurry is 0.14 ~ 0.15mg/m, the fibre coarseness of described lower floor slurry is 0.10 ~ 0.12mg/m, utilize specific fibre coarseness, effectively can change the pliability of upper and lower layer slurry, thus coordinate dry paper power reinforcing agent, moistening paper power reinforcing agent, form the tissue paper that one side is more soft, another side anti-tensile degree is higher, make the better quality of paper, further, utilize oily thermal, can the rising of control temperature and reduction well, prevent the unexpected change of temperature and reduce thermoregulator difficulty.
Although specifically show in conjunction with preferred embodiment and describe the present invention; but those skilled in the art should be understood that; not departing from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (5)
1. a soft thin-paged paper production method, is characterized in that, comprises the following steps:
The first step, utilizes multilayer head box the upper strata slurry of different fibre coarseness, lower floor's slurry to be flowed out respectively;
Second step, utilizes spraying device to spray dry paper power reinforcing agent at the lower surface of upper strata slurry when upper strata slurry flows out, utilize spraying device to spray moistening paper power reinforcing agent at the upper surface of lower floor's slurry when lower floor's slurry flows out;
3rd step, then evenly paves on forming web respectively by upper and lower layer slurry;
4th step, utilizes suction press roll to carry out roll-in to paper after paper is shaping;
5th step, after suction press roll roll-in, utilizes an oily thermal to carry out post bake to the paper after roll-in, and the steam after utilizing a vacuum negative pressure device to draw post bake, then utilize rubber rollers to carry out secondary roll-in.
2. a kind of soft thin-paged paper production method according to claim 1, is characterized in that: the fibre coarseness of described upper strata slurry is 0.14 ~ 0.15mg/m, and the fibre coarseness of described lower floor slurry is 0.10 ~ 0.12mg/m.
3. a kind of soft thin-paged paper production method according to claim 1, is characterized in that: described dry paper power reinforcing agent is carboxymethyl cellulose and salt thereof or Polyacrylamide resin and salt thereof or cationic starch or polyvinyl alcohol.
4. a kind of soft thin-paged paper production method according to claim 1, is characterized in that: described moistening paper power reinforcing agent is epoxidation polyamide polyamines resin or urea-formaldehyde resin or melamine-formaldehyde resin or dialdehyde starch or polyvinylamine or methylolation polyamide.
5. a kind of soft thin-paged paper production method according to claim 1, is characterized in that: described oily thermal comprises a casing, the fluid be installed in casing, be located at for heating the electrical bar of fluid in casing, and described electrical bar is connected with external power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495148.1A CN105113315A (en) | 2015-08-13 | 2015-08-13 | Production method for soft tissue paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495148.1A CN105113315A (en) | 2015-08-13 | 2015-08-13 | Production method for soft tissue paper |
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| Publication Number | Publication Date |
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| CN105113315A true CN105113315A (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510495148.1A Pending CN105113315A (en) | 2015-08-13 | 2015-08-13 | Production method for soft tissue paper |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020149849A1 (en) * | 2019-01-18 | 2020-07-23 | Kimberly-Clark Worldwide, Inc. | Layered tissue comprising long, high-coarseness wood pulp fibers |
| CN116770624A (en) * | 2023-06-14 | 2023-09-19 | 昆山浠辰包装科技有限公司 | Preparation process of substrate surface smoothness with flexography effect |
| CN116770624B (en) * | 2023-06-14 | 2024-04-19 | 昆山浠辰包装科技有限公司 | Preparation process of substrate surface smoothness with flexography effect |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1120616A (en) * | 1994-04-12 | 1996-04-17 | 金伯利-克拉克公司 | Method of making soft tissue products |
| CN1196102A (en) * | 1995-07-21 | 1998-10-14 | 金伯利-克拉克环球有限公司 | Method of creping tissue webs containing softener using closed creping pocket |
| US6241850B1 (en) * | 1999-06-16 | 2001-06-05 | The Procter & Gamble Company | Soft tissue product exhibiting improved lint resistance and process for making |
| CN1303452A (en) * | 1998-06-02 | 2001-07-11 | 宝洁公司 | Soft tissue having temporary wet strength |
| CN103362020A (en) * | 2013-07-22 | 2013-10-23 | 王世杰 | Classified document destroyer |
-
2015
- 2015-08-13 CN CN201510495148.1A patent/CN105113315A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1120616A (en) * | 1994-04-12 | 1996-04-17 | 金伯利-克拉克公司 | Method of making soft tissue products |
| CN1071825C (en) * | 1994-04-12 | 2001-09-26 | 金伯利-克拉克环球有限公司 | Method of making soft tissue products |
| CN1196102A (en) * | 1995-07-21 | 1998-10-14 | 金伯利-克拉克环球有限公司 | Method of creping tissue webs containing softener using closed creping pocket |
| CN1303452A (en) * | 1998-06-02 | 2001-07-11 | 宝洁公司 | Soft tissue having temporary wet strength |
| US6241850B1 (en) * | 1999-06-16 | 2001-06-05 | The Procter & Gamble Company | Soft tissue product exhibiting improved lint resistance and process for making |
| CN103362020A (en) * | 2013-07-22 | 2013-10-23 | 王世杰 | Classified document destroyer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020149849A1 (en) * | 2019-01-18 | 2020-07-23 | Kimberly-Clark Worldwide, Inc. | Layered tissue comprising long, high-coarseness wood pulp fibers |
| US11384484B2 (en) | 2019-01-18 | 2022-07-12 | Kimberly-Clark Worldwide, Inc. | Layered tissue comprising long, high-coarseness wood pulp fibers |
| US11746473B2 (en) | 2019-01-18 | 2023-09-05 | Kimberly-Clark Worldwide, Inc. | Layered tissue comprising long, high-coarseness wood pulp fibers |
| CN116770624A (en) * | 2023-06-14 | 2023-09-19 | 昆山浠辰包装科技有限公司 | Preparation process of substrate surface smoothness with flexography effect |
| CN116770624B (en) * | 2023-06-14 | 2024-04-19 | 昆山浠辰包装科技有限公司 | Preparation process of substrate surface smoothness with flexography effect |
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