CN101381971A - Method for preparing paper for surface sizing biochemical starch - Google Patents
Method for preparing paper for surface sizing biochemical starch Download PDFInfo
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- CN101381971A CN101381971A CNA2008102318418A CN200810231841A CN101381971A CN 101381971 A CN101381971 A CN 101381971A CN A2008102318418 A CNA2008102318418 A CN A2008102318418A CN 200810231841 A CN200810231841 A CN 200810231841A CN 101381971 A CN101381971 A CN 101381971A
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Abstract
The invention relates to a method for preparing biochemical starch for glue application on the surface of paper. Protogenic starch and water are mixed to obtain starch suspending solution; the starch is pasted to obtain pasting solution by temperature rise; the PH value of the pasting solution is regulated to between 4.5 and 6.5; sodium aluminate is added to the pasting solution ,for evenly stirring, alpha-amylase is slowly added into the mixed solution and finally water is added to the mixed solution for dilution till the concentration of the solution is less than 10 percent and the temperature is reduced to the temperature of between 40 and 70 DEG C, thereby obtaining the biochemical starch for glue application on the surface of paper. As the method has high efficiency of reaction, the specificity of function and the mildness of reaction, the method greatly reduces production cost and simultaneously reduces the emission of industrial water and polluted wastewater.
Description
Technical field
The invention belongs to biological chemical field, be specifically related to a kind of preparation method of paper for surface sizing biochemical starch.
Background technology
What paper for surface sizing was commonly used at present is oxidized starch, and hydrogen peroxide commonly used, clorox were as oxidant when this starch prepared.With the hypochlorite modified starch, its degree of oxidation is low, and the molecule depolymerization is serious, the difficult control of degree of oxidation, performance inconsistency is big, the glue bad adhesion, and oxidant itself is unstable, easily decomposes when hot legal system is equipped with, penetrating odor is dense, and the reaction time is long, and the oxidant waste is serious, the cost height.Carry out modified starch with hydrogen peroxide, its degree of oxidation is also wayward, and performance inconsistency is bigger, and stability is low, and oxidant easily decomposed when hot legal system was equipped with, and the reaction time is long, and the oxidant waste is serious, the cost height.In addition, two kinds of oxidized starch preparation methods can produce more serious pollution owing to adopted chemicalss such as hydrogen peroxide, clorox to environment at the washing procedure for preparing.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned prior art, providing a kind of can reduce cost, and reduces water consumption and pollutant effluents discharge capacity, reduces the preparation method of the paper for surface sizing biochemical starch of pollutional load.
For achieving the above object, the technical solution used in the present invention is: at first, primary starch is added water, and to be made into mass concentration be 10～40% starch suspension, is warming up to 95 ℃, is incubated 20～40 minutes, makes starch gelatinization get dextrin; Then, dextrin is cooled to 25-65 ℃, and behind the control temperature stabilization, the pH value of regulating dextrin is to 4.5-6.5, in dextrin, press 30-200mg/l again and add sodium aluminate, after stirring, slowly add α-Dian Fenmei, the α-Dian Fenmei addition is the 0.01-0.1% of primary starch oven-dry weight, stir, react after 5～30 minutes, be warming up to 80～95 ℃, be incubated 2～10 minutes; At last, thin up to solution concentration less than 10%, temperature is reduced to 40～70 ℃, obtains paper for surface sizing biochemical starch.
Paper for surface sizing starch is used oxidized starch always, and traditional oxidized starch preparation hydrogen peroxide commonly used, clorox carry out oxidation reaction with primary starch and make as oxidant.In order to satisfy the oxidation reaction requirement, it is excessive that oxidant requires to add, and requires the reaction time long, in addition, after reaction finishes, requires product is thoroughly washed, and with the remaining oxidant of flush away, therefore, the waste of oxidant and water is serious, has caused environmental pollution simultaneously.The present invention is that primary starch carries out modification with a small amount of enzyme, after modification finishes, heats up so that enzyme loses activity, and then, cooling just can be used.Therefore, technical process of the present invention is simple, and the chemicals consumption is few, has reduced production cost, has reduced water consumption and pollutant effluents discharge capacity simultaneously, has reduced pollutional load.
The specific embodiment
Embodiment 1: at first, primary starch is added water, and to be made into mass concentration be 10% starch suspension, is warming up to 95 ℃, is incubated 30 minutes, makes starch gelatinization get dextrin; Then, dextrin is cooled to 35 ℃, and behind the control temperature stabilization, the pH value of regulating dextrin is to 4.5-6.5, in dextrin, press 160mg/l again and add sodium aluminate, after stirring, slowly add α-Dian Fenmei, the α-Dian Fenmei addition is 0.1% of a primary starch oven-dry weight, stir, react after 30 minutes, be warming up to 95 ℃, be incubated 8 minutes; At last, thin up to solution concentration less than 10%, temperature is reduced to 70 ℃, obtains paper for surface sizing biochemical starch.This liquid product is pumped directly on the paper machine, carries out top sizing and uses.
Embodiment 2: at first, primary starch is added water, and to be made into mass concentration be 30% starch suspension, is warming up to 95 ℃, is incubated 26 minutes, makes starch gelatinization get dextrin; Then, dextrin is cooled to 50 ℃, and behind the control temperature stabilization, the pH value of regulating dextrin is to 4.5-6.5, in dextrin, press 50mg/l again and add sodium aluminate, after stirring, slowly add α-Dian Fenmei, the α-Dian Fenmei addition is 0.05% of a primary starch oven-dry weight, stir, react after 15 minutes, be warming up to 80 ℃, be incubated 5 minutes; At last, thin up to solution concentration less than 10%, temperature is reduced to 50 ℃, obtains paper for surface sizing biochemical starch.This liquid product is pumped directly on the paper machine, carries out top sizing and uses.
Embodiment 3: at first, primary starch is added water, and to be made into mass concentration be 20% starch suspension, is warming up to 95 ℃, is incubated 40 minutes, makes starch gelatinization get dextrin; Then, dextrin is cooled to 25 ℃, and behind the control temperature stabilization, the pH value of regulating dextrin is to 4.5-6.5, in dextrin, press 80mg/l again and add sodium aluminate, after stirring, slowly add α-Dian Fenmei, the α-Dian Fenmei addition is 0.08% of a primary starch oven-dry weight, stir, react after 5 minutes, be warming up to 83 ℃, be incubated 3 minutes; At last, thin up to solution concentration less than 10%, temperature is reduced to 40 ℃, obtains paper for surface sizing biochemical starch.This liquid product is pumped directly on the paper machine, carries out top sizing and uses.
Embodiment 4: at first, primary starch is added water, and to be made into mass concentration be 35% starch suspension, is warming up to 95 ℃, is incubated 35 minutes, makes starch gelatinization get dextrin; Then, dextrin is cooled to 42 ℃, and behind the control temperature stabilization, the pH value of regulating dextrin is to 4.5-6.5, in dextrin, press 130mg/l again and add sodium aluminate, after stirring, slowly add α-Dian Fenmei, the α-Dian Fenmei addition is 0.03% of a primary starch oven-dry weight, stir, react after 25 minutes, be warming up to 90 ℃, be incubated 7 minutes; At last, thin up to solution concentration less than 10%, temperature is reduced to 60 ℃, obtains paper for surface sizing biochemical starch.This liquid product is pumped directly on the paper machine, carries out top sizing and uses.
Embodiment 5: at first, primary starch is added water, and to be made into mass concentration be 25% starch suspension, is warming up to 95 ℃, is incubated 20 minutes, makes starch gelatinization get dextrin; Then, dextrin is cooled to 30 ℃, and behind the control temperature stabilization, the pH value of regulating dextrin is to 4.5-6.5, in dextrin, press 30mg/l again and add sodium aluminate, after stirring, slowly add α-Dian Fenmei, the α-Dian Fenmei addition is 0.06% of a primary starch oven-dry weight, stir, react after 20 minutes, be warming up to 88 ℃, be incubated 2 minutes; At last, thin up to solution concentration less than 10%, temperature is reduced to 55 ℃, obtains paper for surface sizing biochemical starch.This liquid product is pumped directly on the paper machine, carries out top sizing and uses.
Embodiment 6: at first, primary starch is added water, and to be made into mass concentration be 40% starch suspension, is warming up to 95 ℃, is incubated 28 minutes, makes starch gelatinization get dextrin; Then, dextrin is cooled to 65 ℃, and behind the control temperature stabilization, the pH value of regulating dextrin is to 4.5-6.5, in dextrin, press 200mg/l again and add sodium aluminate, after stirring, slowly add α-Dian Fenmei, the α-Dian Fenmei addition is 0.01% of a primary starch oven-dry weight, stir, react after 10 minutes, be warming up to 85 ℃, be incubated 6 minutes; At last, thin up to solution concentration less than 10%, temperature is reduced to 67 ℃, obtains paper for surface sizing biochemical starch.This liquid product is pumped directly on the paper machine, carries out top sizing and uses.
Claims (7)
1, a kind of preparation method of paper for surface sizing biochemical starch is characterized in that:
1) at first, primary starch is added water, and to be made into mass concentration be 10～40% starch suspension, is warming up to 95 ℃, is incubated 20～40 minutes, makes starch gelatinization get dextrin;
2) then, dextrin is cooled to 25-65 ℃, and behind the control temperature stabilization, the pH value of regulating dextrin is to 4.5-6.5, in dextrin, press 30-200mg/l again and add sodium aluminate, after stirring, slowly add α-Dian Fenmei, the α-Dian Fenmei addition is the 0.01-0.1% of primary starch oven-dry weight, stir, react after 5～30 minutes, be warming up to 80～95 ℃, be incubated 2～10 minutes;
3) last, thin up to solution concentration less than 10%, temperature is reduced to 40～70 ℃, obtains paper for surface sizing biochemical starch.
2, the preparation method of paper for surface sizing biochemical starch according to claim 1 is characterized in that: at first, primary starch is added water, and to be made into mass concentration be 10% starch suspension, is warming up to 95 ℃, is incubated 30 minutes, makes starch gelatinization get dextrin; Then, dextrin is cooled to 35 ℃, and behind the control temperature stabilization, the pH value of regulating dextrin is to 4.5-6.5, in dextrin, press 160mg/l again and add sodium aluminate, after stirring, slowly add α-Dian Fenmei, the α-Dian Fenmei addition is 0.1% of a primary starch oven-dry weight, stir, react after 30 minutes, be warming up to 95 ℃, be incubated 8 minutes; At last, thin up to solution concentration less than 10%, temperature is reduced to 70 ℃, obtains paper for surface sizing biochemical starch.This liquid product is pumped directly on the paper machine, carries out top sizing and uses.
3, the preparation method of paper for surface sizing biochemical starch according to claim 1 is characterized in that: at first, primary starch is added water, and to be made into mass concentration be 30% starch suspension, is warming up to 95 ℃, is incubated 26 minutes, makes starch gelatinization get dextrin; Then, dextrin is cooled to 50 ℃, and behind the control temperature stabilization, the pH value of regulating dextrin is to 4.5-6.5, in dextrin, press 50mg/l again and add sodium aluminate, after stirring, slowly add α-Dian Fenmei, the α-Dian Fenmei addition is 0.05% of a primary starch oven-dry weight, stir, react after 15 minutes, be warming up to 80 ℃, be incubated 5 minutes; At last, thin up to solution concentration less than 10%, temperature is reduced to 50 ℃, obtains paper for surface sizing biochemical starch.This liquid product is pumped directly on the paper machine, carries out top sizing and uses.
4, the preparation method of paper for surface sizing biochemical starch according to claim 1 is characterized in that: at first, primary starch is added water, and to be made into mass concentration be 20% starch suspension, is warming up to 95 ℃, is incubated 40 minutes, makes starch gelatinization get dextrin; Then, dextrin is cooled to 25 ℃, and behind the control temperature stabilization, the pH value of regulating dextrin is to 4.5-6.5, in dextrin, press 80mg/l again and add sodium aluminate, after stirring, slowly add α-Dian Fenmei, the α-Dian Fenmei addition is 0.08% of a primary starch oven-dry weight, stir, react after 5 minutes, be warming up to 83 ℃, be incubated 3 minutes; At last, thin up to solution concentration less than 10%, temperature is reduced to 40 ℃, obtains paper for surface sizing biochemical starch.This liquid product is pumped directly on the paper machine, carries out top sizing and uses.
5, the preparation method of paper for surface sizing biochemical starch according to claim 1 is characterized in that: at first, primary starch is added water, and to be made into mass concentration be 35% starch suspension, is warming up to 95 ℃, is incubated 35 minutes, makes starch gelatinization get dextrin; Then, dextrin is cooled to 42 ℃, and behind the control temperature stabilization, the pH value of regulating dextrin is to 4.5-6.5, in dextrin, press 130mg/l again and add sodium aluminate, after stirring, slowly add α-Dian Fenmei, the α-Dian Fenmei addition is 0.03% of a primary starch oven-dry weight, stir, react after 25 minutes, be warming up to 90 ℃, be incubated 7 minutes; At last, thin up to solution concentration less than 10%, temperature is reduced to 60 ℃, obtains paper for surface sizing biochemical starch.This liquid product is pumped directly on the paper machine, carries out top sizing and uses.
6, the preparation method of paper for surface sizing biochemical starch according to claim 1 is characterized in that: at first, primary starch is added water, and to be made into mass concentration be 25% starch suspension, is warming up to 95 ℃, is incubated 20 minutes, makes starch gelatinization get dextrin; Then, dextrin is cooled to 30 ℃, and behind the control temperature stabilization, the pH value of regulating dextrin is to 4.5-6.5, in dextrin, press 30mg/l again and add sodium aluminate, after stirring, slowly add α-Dian Fenmei, the α-Dian Fenmei addition is 0.06% of a primary starch oven-dry weight, stir, react after 20 minutes, be warming up to 88 ℃, be incubated 2 minutes; At last, thin up to solution concentration less than 10%, temperature is reduced to 55 ℃, obtains paper for surface sizing biochemical starch.This liquid product is pumped directly on the paper machine, carries out top sizing and uses.
7, the preparation method of paper for surface sizing biochemical starch according to claim 1 is characterized in that: at first, primary starch is added water, and to be made into mass concentration be 40% starch suspension, is warming up to 95 ℃, is incubated 28 minutes, makes starch gelatinization get dextrin; Then, dextrin is cooled to 65 ℃, and behind the control temperature stabilization, the pH value of regulating dextrin is to 4.5-6.5, in dextrin, press 200mg/l again and add sodium aluminate, after stirring, slowly add α-Dian Fenmei, the α-Dian Fenmei addition is 0.01% of a primary starch oven-dry weight, stir, react after 10 minutes, be warming up to 85 ℃, be incubated 6 minutes; At last, thin up to solution concentration less than 10%, temperature is reduced to 67 ℃, obtains paper for surface sizing biochemical starch.This liquid product is pumped directly on the paper machine, carries out top sizing and uses.
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| CNA2008102318418A CN101381971A (en) | 2008-10-22 | 2008-10-22 | Method for preparing paper for surface sizing biochemical starch |
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| CNA2008102318418A CN101381971A (en) | 2008-10-22 | 2008-10-22 | Method for preparing paper for surface sizing biochemical starch |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979763A (en) * | 2010-10-22 | 2011-02-23 | 东莞理文造纸厂有限公司 | Method for making papermaking starch glue |
| CN103556538A (en) * | 2013-11-16 | 2014-02-05 | 玖龙浆纸（乐山）有限公司 | Sizing method for high-strength corrugated paper |
| CN105220561A (en) * | 2015-07-27 | 2016-01-06 | 杭州华丰纸业有限公司 | A kind of cigarette paper containing non-wood-fiber |
| CN105220559A (en) * | 2015-07-27 | 2016-01-06 | 杭州华丰纸业有限公司 | The thin cigarette paper of the tight light black circle of grey of ash is wrapped in a kind of burning smoke less |
| CN106192563A (en) * | 2016-07-13 | 2016-12-07 | 广西梧州市明阳生化科技有限公司 | A kind of preparation method of biological size-press starch |
| CN106868940A (en) * | 2017-02-15 | 2017-06-20 | 四川新华扬山野生物有限公司 | A kind of page surface applying glue amylan and its processing method |
| CN107841905A (en) * | 2017-11-01 | 2018-03-27 | 东莞市泰昌纸业有限公司 | The production technology of paper grade (stock) surface size |
| CN110305228A (en) * | 2019-07-09 | 2019-10-08 | 安徽砀山金兄弟实业科技有限公司 | A kind of processing technology of paper grade (stock) cornstarch |
| CN111270562A (en) * | 2019-12-17 | 2020-06-12 | 浙江华丰纸业科技有限公司 | Grid pattern paper |
-
2008
- 2008-10-22 CN CNA2008102318418A patent/CN101381971A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979763A (en) * | 2010-10-22 | 2011-02-23 | 东莞理文造纸厂有限公司 | Method for making papermaking starch glue |
| CN101979763B (en) * | 2010-10-22 | 2012-05-30 | 东莞理文造纸厂有限公司 | Method for making papermaking starch glue |
| CN103556538A (en) * | 2013-11-16 | 2014-02-05 | 玖龙浆纸（乐山）有限公司 | Sizing method for high-strength corrugated paper |
| CN105220561A (en) * | 2015-07-27 | 2016-01-06 | 杭州华丰纸业有限公司 | A kind of cigarette paper containing non-wood-fiber |
| CN105220559A (en) * | 2015-07-27 | 2016-01-06 | 杭州华丰纸业有限公司 | The thin cigarette paper of the tight light black circle of grey of ash is wrapped in a kind of burning smoke less |
| CN106192563A (en) * | 2016-07-13 | 2016-12-07 | 广西梧州市明阳生化科技有限公司 | A kind of preparation method of biological size-press starch |
| CN106192563B (en) * | 2016-07-13 | 2017-11-28 | 广西梧州市明阳生化科技有限公司 | A kind of preparation method of biological size-press starch |
| CN106868940A (en) * | 2017-02-15 | 2017-06-20 | 四川新华扬山野生物有限公司 | A kind of page surface applying glue amylan and its processing method |
| CN107841905A (en) * | 2017-11-01 | 2018-03-27 | 东莞市泰昌纸业有限公司 | The production technology of paper grade (stock) surface size |
| CN107841905B (en) * | 2017-11-01 | 2019-03-26 | 东莞市泰昌纸业有限公司 | The production technology of paper grade (stock) surface size |
| CN110305228A (en) * | 2019-07-09 | 2019-10-08 | 安徽砀山金兄弟实业科技有限公司 | A kind of processing technology of paper grade (stock) cornstarch |
| CN111270562A (en) * | 2019-12-17 | 2020-06-12 | 浙江华丰纸业科技有限公司 | Grid pattern paper |
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