CN102174776A - Surface sizing and dyeing method of environmentally-friendly craft paper - Google Patents
Surface sizing and dyeing method of environmentally-friendly craft paper Download PDFInfo
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- CN102174776A CN102174776A CN 201110049673 CN201110049673A CN102174776A CN 102174776 A CN102174776 A CN 102174776A CN 201110049673 CN201110049673 CN 201110049673 CN 201110049673 A CN201110049673 A CN 201110049673A CN 102174776 A CN102174776 A CN 102174776A
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Abstract
The invention discloses a surface sizing and dyeing method of environmentally-friendly craft paper, comprising the following steps of : (1) preparing paper with high dryness; (2) preparing starch size; (3) preparing starch size with a predetermined concentration; (4) adding dye for dyeing the paper by surface sizing. In the method, surface-sizing starch size is used as a carrier, the dye is completely coated on the surface of raw paper to reach the surface dyeing effect, and the dye can be completely reserved on the paper surface without discharging so as to benefit environment protection; synchronously the dyeing cost is low, and the regulation speed in the production is fast.
Description
Technical field
The present invention relates to a kind of top sizing colouring method of environmental protection craft paper, belong to pulp technology for making paper.
Background technology
Traditional craft paper dyeing is to add dyeing in the wet end starch adhesive system of papermaking, because the remnants of dyestuff, a large amount of plain boiled water is contaminated, has increased the processing burden of sewage plant, also is unfavorable for environmental protection, and the cost of internal dying is also very high simultaneously.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of cost that dyes low, help environmental protection, produce the top sizing colouring method of the environmental protection craft paper regulate the speed fast.
The present invention is achieved through the following technical solutions:
A kind of top sizing colouring method of environmental protection craft paper is characterized in that, may further comprise the steps:
(1) preparation mass dryness fraction high paper: it is 96.5% paper that the process that waste paper is improved mass dryness fraction and drying section oven dry through slurrying, wet end moulding, splenium forms mass dryness fraction;
(2) configuration starch glue: the corn ative starch is joined in the starch accumulator tank, and to wherein adding clear water and ammonium persulfate oxidant (APS), wherein, the weight of starch is 23% of gross weight, the addition of ammonium persulfate oxidant then is 0.004% of a gross weight, after stirring 30 minutes then, form the starch glue, and put into the boiling accumulator tank and prepare boiling;
(3) the starch glue of preparation normal concentration: the hot water temperature in hot water storgae reaches 70 ℃, under the situation of steam pressure greater than 5Kpa, utilize water pump in boiling vessel, to add above-mentioned hot water, and unlatching boiling vessel heat temperature raising, when the temperature of the delivery port of boiling vessel reaches 132 ℃, it is switched to the described boiling accumulator tank of step (2), and the starch glue in the boiling accumulator tank carried out boiling, viscosity until the starch glue reaches 500CPS, then the starch glue is stored in the dosage bunker, adds NAOH simultaneously and 70 ℃ of hot water carry out the adjusting of PH and concentration, make the PH=7.5 of starch glue, concentration is 19%, 95 ℃ of temperature;
(4) add the top sizing dyeing that dyestuff carries out paper: the starch glue in the described dosage bunker of step (3) is joined on the table glue in the hopper, add 70 ℃ of hot water simultaneously, configuration concentration is 6% starch glue, then to wherein adding dyestuff and Cypres, utilize metering Kun formula surface size press that it is applied on the front of the described paper of step (1) then, the reverse side of paper then directly is coated with thereon by the starch glue of metering Kun formula surface size press with step (3) preparation.
The top sizing colouring method of above-mentioned environmental protection craft paper is characterized in that, the concentration of step (4) configuration is also to have added appropriate amount of defoamer in 6% the starch glue.
The top sizing colouring method of above-mentioned environmental protection craft paper is characterized in that, the described dyestuff of step (4) is orchil and weld, and wherein addition is respectively 0.5kg/t paper and 1.5kg/t paper, and the addition of Cypres then is 1.0kg/t.
The invention has the beneficial effects as follows: the present invention utilizes surface sizing starch liquid to be carrier, and 100% is applied to the body paper surface with dyestuff reaches the padding effect, and dyestuff can 100% remaines in paper, and discharging does not help environmental protection; The cost that dyes simultaneously is low, and it is fast to regulate the speed in the production.
Description of drawings
Fig. 1 is the process chart of one embodiment of the invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, describe the specific embodiment of the present invention in detail:
Fig. 1 is the process chart of one embodiment of the invention.
As shown in Figure 1: a kind of top sizing colouring method of environmental protection craft paper comprises following content:
(1) preparation mass dryness fraction high paper: the process formation mass dryness fraction that waste paper is improved mass dryness fraction (mass dryness fraction of this moment is 48%) and drying section oven dry through slurrying, wet end moulding (mass dryness fraction of this moment is 20%), splenium is 96.5% paper;
(2) configuration starch glue: the corn ative starch is joined in the starch accumulator tank, and to wherein adding clear water and ammonium persulfate oxidant (APS), wherein, the weight of starch is 23% of gross weight, the addition of ammonium persulfate oxidant then is 0.004% of a gross weight, after stirring 30 minutes then, form the starch glue, and put into the boiling accumulator tank and prepare boiling;
(3) the starch glue of preparation normal concentration: the hot water temperature in hot water storgae reaches 70 ℃, under the situation of steam pressure greater than 5Kpa, utilize water pump in boiling vessel, to add above-mentioned hot water, and unlatching boiling vessel heat temperature raising, when the temperature of the delivery port of boiling vessel reaches 132 ℃, it is switched to the described boiling accumulator tank of step (2), and the starch glue in the boiling accumulator tank carried out boiling, viscosity until the starch glue reaches 500CPS, then the starch glue is stored in the dosage bunker, adds NAOH simultaneously and 70 ℃ of hot water carry out the adjusting of PH and concentration, make the PH=7.5 of starch glue, concentration is 19%, 95 ℃ of temperature;
(4) add the top sizing dyeing that dyestuff carries out paper: the starch glue in the described dosage bunker of step (3) is joined on the table glue in the hopper, add 70 ℃ of hot water simultaneously, configuration concentration is 6% starch glue, then to wherein adding dyestuff and Cypres, in the present embodiment, orchil and weld have been added respectively, wherein the addition of orchil and weld is respectively 0.5kg/t paper and 1.5kg/t paper, the addition of Cypres then is 1.0kg/t, and in the top sizing dyeing course, produce foam for the surface, can also add appropriate amount of defoamer, utilize metering Kun formula surface size press that it is applied on the front of the described paper of step (1) then, the reverse side of paper then directly is coated with thereon by the starch glue of metering Kun formula surface size press with step (3) preparation.
Below disclose the present invention with preferred embodiment, so it is not in order to restriction the present invention, and all employings are equal to replaces or technical scheme that the equivalent transformation mode is obtained, all drops within protection scope of the present invention.
Claims (3)
1. the top sizing colouring method of an environmental protection craft paper is characterized in that, may further comprise the steps:
(1) preparation mass dryness fraction high paper: it is 96.5% paper that the process that waste paper is improved mass dryness fraction and drying section oven dry through slurrying, wet end moulding, splenium forms mass dryness fraction;
(2) configuration starch glue: the corn ative starch is joined in the starch accumulator tank, and to wherein adding clear water and ammonium persulfate oxidant, wherein, the weight of starch is 23% of gross weight, the addition of ammonium persulfate oxidant then is 0.004% of a gross weight, after stirring 30 minutes then, form the starch glue, and put into the boiling accumulator tank and prepare boiling;
(3) the starch glue of preparation normal concentration: the hot water temperature in hot water storgae reaches 70 ℃, under the situation of steam pressure greater than 5Kpa, utilize water pump in boiling vessel, to add above-mentioned hot water, and unlatching boiling vessel heat temperature raising, when the temperature of the delivery port of boiling vessel reaches 132 ℃, it is switched to the described boiling accumulator tank of step (2), and the starch glue in the boiling accumulator tank carried out boiling, viscosity until the starch glue reaches 500CPS, then the starch glue is stored in the dosage bunker, adds NAOH simultaneously and 70 ℃ of hot water carry out the adjusting of PH and concentration, make the PH=7.5 of starch glue, concentration is 19%, 95 ℃ of temperature;
(4) add the top sizing dyeing that dyestuff carries out paper: the starch glue in the described dosage bunker of step (3) is joined on the table glue in the hopper, add 70 ℃ of hot water simultaneously, configuration concentration is 6% starch glue, then to wherein adding dyestuff and Cypres, utilize metering Kun formula surface size press that it is applied on the front of the described paper of step (1) then, the reverse side of paper then directly is coated with thereon by the starch glue of metering Kun formula surface size press with step (3) preparation.
2. the top sizing colouring method of environmental protection craft paper according to claim 1 is characterized in that, the concentration of step (4) configuration is also to have added appropriate amount of defoamer in 6% the starch glue.
3. the top sizing colouring method of environmental protection craft paper according to claim 1, it is characterized in that, the described dyestuff of step (4) is orchil and weld, and wherein addition is respectively 0.5kg/t paper and 1.5kg/t paper, and the addition of Cypres then is 1.0kg/t.
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103526637A (en) * | 2013-10-31 | 2014-01-22 | 东莞理文造纸厂有限公司 | Surface sizing and dyeing method of environment-friendly box paperboard with high water-resisting property |
CN104631196A (en) * | 2015-01-28 | 2015-05-20 | 联盛纸业(龙海)有限公司 | Single-layer superlow-gram-weight liner cardboard paper production method |
CN104674602A (en) * | 2015-01-28 | 2015-06-03 | 联盛纸业(龙海)有限公司 | Dyeing method for cardboard paper papermaking in surface sizing and dyeing process by paper machine |
CN103451998B (en) * | 2013-09-18 | 2015-12-09 | 潍坊恒联特种纸有限公司 | A kind of colored dust-free paper top sizing dyeing |
CN107268334A (en) * | 2017-05-08 | 2017-10-20 | 玖龙纸业(泉州)有限公司 | A kind of environment-friendly type paper dyeing method |
CN109944107A (en) * | 2019-04-01 | 2019-06-28 | 成都市新都华兴印务有限公司 | A kind of preparation process and application of ecru environment-friendly type paper |
CN111364268A (en) * | 2020-03-31 | 2020-07-03 | 中山永发纸业有限公司 | Production process of low-basis-weight middle partition paper |
CN115467189A (en) * | 2022-09-16 | 2022-12-13 | 万邦特种材料股份有限公司 | Method for manufacturing yellow high-transparency formed paper |
CN115772823A (en) * | 2022-11-11 | 2023-03-10 | 玖龙纸业(东莞)有限公司 | Method for improving color fastness of kraft paper |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1546793A (en) * | 2003-12-01 | 2004-11-17 | 山东博汇纸业股份有限公司 | Novel producing process for coloured paper |
CN101302733A (en) * | 2008-06-13 | 2008-11-12 | 潍坊恒联铜版纸有限公司 | Dust-free paper papermaking process |
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2011
- 2011-03-02 CN CN 201110049673 patent/CN102174776B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1546793A (en) * | 2003-12-01 | 2004-11-17 | 山东博汇纸业股份有限公司 | Novel producing process for coloured paper |
CN101302733A (en) * | 2008-06-13 | 2008-11-12 | 潍坊恒联铜版纸有限公司 | Dust-free paper papermaking process |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103451998B (en) * | 2013-09-18 | 2015-12-09 | 潍坊恒联特种纸有限公司 | A kind of colored dust-free paper top sizing dyeing |
CN103526637A (en) * | 2013-10-31 | 2014-01-22 | 东莞理文造纸厂有限公司 | Surface sizing and dyeing method of environment-friendly box paperboard with high water-resisting property |
CN104631196A (en) * | 2015-01-28 | 2015-05-20 | 联盛纸业(龙海)有限公司 | Single-layer superlow-gram-weight liner cardboard paper production method |
CN104674602A (en) * | 2015-01-28 | 2015-06-03 | 联盛纸业(龙海)有限公司 | Dyeing method for cardboard paper papermaking in surface sizing and dyeing process by paper machine |
CN104674602B (en) * | 2015-01-28 | 2017-03-15 | 联盛纸业(龙海)有限公司 | The colouring method that manufactures paper with pulp for boxboard is dyeed in a kind of papermachine surfaces applying glue |
CN107268334A (en) * | 2017-05-08 | 2017-10-20 | 玖龙纸业(泉州)有限公司 | A kind of environment-friendly type paper dyeing method |
CN109944107A (en) * | 2019-04-01 | 2019-06-28 | 成都市新都华兴印务有限公司 | A kind of preparation process and application of ecru environment-friendly type paper |
CN111364268A (en) * | 2020-03-31 | 2020-07-03 | 中山永发纸业有限公司 | Production process of low-basis-weight middle partition paper |
CN115467189A (en) * | 2022-09-16 | 2022-12-13 | 万邦特种材料股份有限公司 | Method for manufacturing yellow high-transparency formed paper |
CN115772823A (en) * | 2022-11-11 | 2023-03-10 | 玖龙纸业(东莞)有限公司 | Method for improving color fastness of kraft paper |
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