CN103410042A - Preparation method for corrugated paper with high strength - Google Patents
Preparation method for corrugated paper with high strength Download PDFInfo
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- CN103410042A CN103410042A CN2013102724605A CN201310272460A CN103410042A CN 103410042 A CN103410042 A CN 103410042A CN 2013102724605 A CN2013102724605 A CN 2013102724605A CN 201310272460 A CN201310272460 A CN 201310272460A CN 103410042 A CN103410042 A CN 103410042A
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Abstract
The invention relates to a preparation method for corrugated paper with high strength. Waste paper processing, secondary utilization, pulping, reinforcing agent adding, water-resisting processing, drying processing, surface sizing and finished product processing are carried out on 60-80 parts of waste paper, 4-8 parts of reinforcing agents and 4-8 parts of aluminum sulfate to obtain corrugated paper finished products. According to the preparation method, chemical additives and reinforcing agents are added, and then surface sizing agents are smeared on the surface, so strength of the corrugated paper is further improved.
Description
Technical field
The invention belongs to the pulping and paper-making field, relate in particular to a kind of preparation method of superhigh intensity corrugated paper.
Background technology
Corrugated case is a kind of transportation and packing commonly used; the corrugated case main component by corrugated paper, facial tissue and in paper form; in these compositions; inner corrugated paper is particularly important; so in the process of transportation; often can run into some problems, cause carton to be destroyed, so its requirement of strength is higher.The manufacturing process of existing corrugated paper or method all are short of to some extent, can not improve well the intensity of corrugated paper.
Summary of the invention
The object of the invention is to overcome the high problem of corrugated paper insufficient strength in prior art, a kind of highly intensified corrugated paper is provided.
For solving the problems of the technologies described above, technical scheme of the present invention is a kind of preparation method of highly intensified corrugated paper, its raw material composition and proportioning:
60～80 parts, waste paper
4～8 parts of reinforcing agents
4～8 parts, aluminum sulfate
Its preparation process is:
(1) Waste Paper Handling: waste paper is carried out obtaining paper pulp after size degradation, making beating, screening, concentrated, removal of impurities;
(2) secondary utilization: by sewage apparatus, the useless slurry in pulping process is carried out to the secondary utilization, obtain paper pulp;
(3) slurrying: paper pulp and the useless paper pulp obtained of starching that Waste Paper Handling is obtained are transported in reactor, then add water in reactor, mix, and maintain the temperature at 75 ℃～85 ℃, obtain paper pulp;
(4) add reinforcing agent: add reinforcing agent in paper pulp;
(5) water resistant is processed: aluminum sulfate is water-soluble, obtain aluminum sulfate solution, and aluminum sulfate solution is joined in the paper pulp after multiviscosisty, add water and stir, mix;
(6) drying and processing: in reactor, temperature is adjusted to 75 ℃～85 ℃, and wherein mixture remains on 10%～15%, and simultaneously moisture content is 9%～10%, the time, obtained the corrugated paper semi-finished product;
(7) top sizing: adopt sizing applicator that Cypres is applied to the corrugated paper semi-finished product and carry out top sizing, single spreading amount 3～4g/m
2
(8) finished product is processed: by surface sized after the corrugated paper semi-finished product put into drying cylinder, be adjusted to temperature to 120 ℃～125 ℃, moisture content is 2%～4%, after being placed on indoor standing 24 hours, take out again and be placed on aeration-drying place placement 24 hours, can obtain the corrugated paper finished product.
The preparation method of highly intensified corrugated paper according to claim 1 is characterized in that: the useless slurry of described step (2), its rate of recovery are 50%～55%.
3. the preparation method of highly intensified corrugated paper according to claim 1, is characterized in that: described step (4) reinforcing agent, its volume and mixed liquor proportioning 1:30～1:50.
4. the preparation method of highly intensified corrugated paper according to claim 1, it is characterized in that: the aluminum sulfate solution of described step (5), its liquid quality fraction are 14%.
5. the preparation method of highly intensified corrugated paper according to claim 1 is characterized in that: the Cypres of described step (7), its gross mass with the corrugated paper semi-manufactured goods quality than being 1:150.
6. the preparation method of highly intensified corrugated paper according to claim 1 is characterized in that: the corrugated paper finished product of described step (8), its weight with waste paper than being 1:1.2.
Further, the useless slurry of described step (2), its rate of recovery 70%.
Further, described step (4) reinforcing agent, its volume and mixed liquor proportioning 1:30～1:50.
Further, the aluminum sulfate solution of described step (5), its liquid quality fraction are 14%.Further, the Cypres of described step (7), its gross mass is 1:150 with corrugated paper semi-manufactured goods quality ratio.
Further, the corrugated paper finished product of described step (8), its weight is 1:1.2 with the waste paper ratio.
Adopt preparation method of the present invention, by interpolation, the water resistant of auxiliary agent, process and by the applying glue of Cypres, further improved simultaneously the indices of corrugated paper, intensity enhancing to corrugated paper has remarkable lifting, the simultaneously minimizing of the utilization of waste paper, waste water environmental pollution.
The specific embodiment
A kind of preparation method of highly intensified corrugated paper, its raw material forms and formulated component is respectively:
Waste paper 600 ㎏
Reinforcing agent 10kg
Aluminum sulfate 40kg
Its preparation process is:
(1) Waste Paper Handling: waste paper is carried out obtaining paper pulp after size degradation, making beating, screening, concentrated, removal of impurities;
(2) secondary utilization: by sewage apparatus, the useless slurry in pulping process is carried out to the secondary utilization, obtain paper pulp, its rate of recovery is 50%～55%.
(3) slurrying: paper pulp and the useless paper pulp obtained of starching that Waste Paper Handling is obtained are transported in reactor, then add water in reactor, mix, and maintain the temperature at 75 ℃～85 ℃, obtain paper pulp;
(4) add reinforcing agent: in paper pulp, add reinforcing agent, reinforcing agent is binder and plastics and urea (first) urea formaldehyde etc., its volume and mixed liquor proportioning 1:30～1:50; .
(5) water resistant is processed: aluminum sulfate is water-soluble, obtain aluminum sulfate solution, and its liquid quality fraction is 14%, and aluminum sulfate solution is joined in the paper pulp after multiviscosisty, adds water and stirs, and mixes;
(6) drying and processing: in reactor, temperature is adjusted to 75 ℃～85 ℃, and wherein mixture remains on 10%～15%, and simultaneously moisture content is 9%～10%, the time, obtained the corrugated paper semi-finished product;
(7) top sizing: adopt sizing applicator that Cypres is applied to the corrugated paper semi-finished product and carry out top sizing, single spreading amount 3～4g/m
2, Cypres used is 1:150 with corrugated paper semi-manufactured goods quality ratio;
(8) finished product is processed: by surface sized after the corrugated paper semi-finished product put into drying cylinder, be adjusted to temperature to 120 ℃～125 ℃, moisture content is 2%～4%, after being placed on indoor standing 24 hours, take out again and be placed on aeration-drying place placement 24 hours, can obtain the corrugated paper finished product, the corrugation finished product is 1:1.2 with the total amount ratio of waste paper.
After tested, this corrugated paper finished product parameter is as follows:
| Parameter | Index |
| Quantitative g/m2 | ±3% |
| Thickness mm | ≥1% |
| Bursting strength kgf/cm2 | ≥2% |
| Fracture length m | ≥2% |
| Ring crush intensity kg | ≥2.5% |
| Moisture % | 8 |
| Degree of sizing mm | 0.6 |
Above one embodiment of the present of invention are had been described in detail, but described content only is the preferred embodiment of the invention, can not be considered to be used to limiting the practical range of the invention.All equalizations of doing according to the invention application range change and improve etc., within all should still belonging to patent covering scope of the present invention.
Claims (6)
1. the preparation method of a highly intensified corrugated paper, its raw material forms and formulated component is respectively:
60～80 parts, waste paper
4～8 parts of reinforcing agents
4～8 parts, aluminum sulfate
Its preparation process is:
(1) Waste Paper Handling: waste paper is carried out obtaining paper pulp after size degradation, making beating, screening, concentrated, removal of impurities;
(2) secondary utilization: by sewage apparatus, the useless slurry in pulping process is carried out to the secondary utilization, obtain paper pulp;
(3) slurrying: paper pulp and the useless paper pulp obtained of starching that Waste Paper Handling is obtained are transported in reactor, then add water in reactor, mix, and maintain the temperature at 75 ℃～85 ℃, obtain paper pulp;
(4) add reinforcing agent: add reinforcing agent in paper pulp;
(5) water resistant is processed: aluminum sulfate is water-soluble, obtain aluminum sulfate solution, and aluminum sulfate solution is joined in the paper pulp after multiviscosisty, add water and stir, mix;
(6) drying and processing: in reactor, temperature is adjusted to 75 ℃～85 ℃, and wherein mixture remains on 10%～15%, and simultaneously moisture content is 9%～10%, the time, obtained the corrugated paper semi-finished product;
(7) top sizing: adopt sizing applicator that Cypres is applied to the corrugated paper semi-finished product and carry out top sizing, single spreading amount 3～4g/m
2
(8) finished product is processed: by surface sized after the corrugated paper semi-finished product put into drying cylinder, be adjusted to temperature to 120 ℃～125 ℃, moisture content is 2%～4%, after being placed on indoor standing 24 hours, take out again and be placed on aeration-drying place placement 24 hours, can obtain the corrugated paper finished product.
2. the preparation method of highly intensified corrugated paper according to claim 1, it is characterized in that: the useless slurry of described step (2), its rate of recovery are 50%～55%.
3. the preparation method of highly intensified corrugated paper according to claim 1, is characterized in that: described step (4) reinforcing agent, its volume and mixed liquor proportioning 1:30～1:50.
4. the preparation method of highly intensified corrugated paper according to claim 1, it is characterized in that: the aluminum sulfate solution of described step (5), its liquid quality fraction are 14%.
5. the preparation method of highly intensified corrugated paper according to claim 1 is characterized in that: the Cypres of described step (7), its gross mass with the corrugated paper semi-manufactured goods quality than being 1:150.
6. the preparation method of highly intensified corrugated paper according to claim 1 is characterized in that: the corrugated paper finished product of described step (8), its weight with waste paper than being 1:1.2.
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| CN2013102724605A CN103410042A (en) | 2013-06-28 | 2013-06-28 | Preparation method for corrugated paper with high strength |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452411A (en) * | 2014-10-31 | 2015-03-25 | 玖龙纸业（太仓）有限公司 | Method for making corrugated paper |
| CN104480772A (en) * | 2014-11-18 | 2015-04-01 | 柳江县联华纸制品厂 | Preparation method for high-intensity corrugated paper |
| CN105369669A (en) * | 2015-10-28 | 2016-03-02 | 福建纸匠文化科技股份有限公司 | Method for preparing high-strength corrugated paper |
| CN110253966A (en) * | 2019-04-28 | 2019-09-20 | 泸州市一圣鸿包装有限公司 | Production process of high-strength corrugated cardboards |
| CN114232374A (en) * | 2021-12-03 | 2022-03-25 | 昆山鸣朋纸业有限公司 | Manufacturing process and device of moistureproof enhanced corrugated board |
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| WO2004088036A1 (en) * | 2003-04-01 | 2004-10-14 | Akzo Nobel N.V. | Dispersion |
| CN102002882A (en) * | 2010-09-25 | 2011-04-06 | 山东天地缘纸业有限公司 | Method for producing corrugated paper by utilizing papermaking waste residues and sludge |
| CN102226322A (en) * | 2011-06-15 | 2011-10-26 | 蓟县东赵乡福利造纸厂 | Preparation method of high-strength corrugated paper |
| CN102517982A (en) * | 2011-12-22 | 2012-06-27 | 东莞市英科水墨有限公司 | Water-based varnish for corrugated cartons with waterproof high gloss and preparation method thereof |
| CN103015252A (en) * | 2011-09-27 | 2013-04-03 | 天津市蓟县津京造纸厂 | Preparation method of corrugated paper |
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2013
- 2013-06-28 CN CN2013102724605A patent/CN103410042A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004088036A1 (en) * | 2003-04-01 | 2004-10-14 | Akzo Nobel N.V. | Dispersion |
| CN102002882A (en) * | 2010-09-25 | 2011-04-06 | 山东天地缘纸业有限公司 | Method for producing corrugated paper by utilizing papermaking waste residues and sludge |
| CN102226322A (en) * | 2011-06-15 | 2011-10-26 | 蓟县东赵乡福利造纸厂 | Preparation method of high-strength corrugated paper |
| CN103015252A (en) * | 2011-09-27 | 2013-04-03 | 天津市蓟县津京造纸厂 | Preparation method of corrugated paper |
| CN102517982A (en) * | 2011-12-22 | 2012-06-27 | 东莞市英科水墨有限公司 | Water-based varnish for corrugated cartons with waterproof high gloss and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452411A (en) * | 2014-10-31 | 2015-03-25 | 玖龙纸业（太仓）有限公司 | Method for making corrugated paper |
| CN104480772A (en) * | 2014-11-18 | 2015-04-01 | 柳江县联华纸制品厂 | Preparation method for high-intensity corrugated paper |
| CN105369669A (en) * | 2015-10-28 | 2016-03-02 | 福建纸匠文化科技股份有限公司 | Method for preparing high-strength corrugated paper |
| CN110253966A (en) * | 2019-04-28 | 2019-09-20 | 泸州市一圣鸿包装有限公司 | Production process of high-strength corrugated cardboards |
| CN114232374A (en) * | 2021-12-03 | 2022-03-25 | 昆山鸣朋纸业有限公司 | Manufacturing process and device of moistureproof enhanced corrugated board |
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Application publication date: 20131127 |