CN1216791A - Method for prodn. of kraft liner board - Google Patents
Method for prodn. of kraft liner board Download PDFInfo
- Publication number
- CN1216791A CN1216791A CN 97118859 CN97118859A CN1216791A CN 1216791 A CN1216791 A CN 1216791A CN 97118859 CN97118859 CN 97118859 CN 97118859 A CN97118859 A CN 97118859A CN 1216791 A CN1216791 A CN 1216791A
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- China
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- pulp
- kraft liner
- liner board
- printing paper
- alkaline sodium
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Abstract
The production of the kraft liner board includes the following steps: using 18-25% of sulphate wood pulp as face pulp, using 35-45% of waste and old book paper pulp and 40-45% of alkaline sodium sulphate straw pulp, their mixture pulp as base pulp. As compared with similar product produced by utilizing American waste-old corrugated board box AOCC, said invented kraft liner board surface has no black spots, its quality is raised and cost is reduced.
Description
The present invention relates to a kind of kraft liner board production method.
In the prior art, utilize waste and scrap to produce kraft liner board such as A and mainly adopt the waste and old corrugated case AOCC of the U.S., but this material contains a large amount of seal adhesives, and this class adhesive still can't be removed in existing AOCC treatment system, disperses (95 ℃) to handle as slotted screen, heat; When adopting this material system boxboard production line, occur black splotch on the boxboard, influence product quality, and the production cost height.At present, remove the adhesive on the waste and old corrugated case of the U.S., available rotary spherical digester boiling or improve the method for hot dispersion temperature, but existing procedure still can't accomplish, very big as realizing investment.
The objective of the invention is: design kraft liner board production methods such as a kind of A, realize that post consumer printing paper is joined to copy boxboard.
The object of the present invention is achieved like this, and boxboard finished product slurry is starch adhesive that is made of sulfate wood pulp and the prime cement that is made of post consumer printing paper slurry, alkaline sodium sulfite straw pulp, and starch adhesive and prime cement enter forming net separately; The proportional quantity of sulfate wood pulp, post consumer printing paper slurry and alkaline sodium sulphate straw pulp is: sulfate wood pulp 18～25%, and post consumer printing paper slurry 35～45%, alkaline sodium sulfite straw pulp 40～45%, the permanganate number of alkaline sodium sulfite straw pulp are 28～32.
Owing to adopt technique scheme, adopt old book paper to join and copy boxboard, the black splotch that can avoid all kinds of high-melting-point adhesive to cause has solved the paper quality problems, and product price decreases compared with similar products.
Below the embodiment of the invention is described in further detail.
Kraft liner board production methods such as a kind of A, it adopts sulfate wood pulp, post consumer printing paper slurry and alkaline sodium sulfite straw pulp to starch as the boxboard finished product, wherein sulfate wood pulp is as starch adhesive, and the mixed pulp of post consumer printing paper slurry and alkaline sodium sulfite straw pulp is as prime cement.Used alkaline sodium sulfite straw pulp in the prime cement, its potassium manganate value is 28-32.The proportional quantity (proportioning total amount 100%) of sulfate wood pulp, post consumer printing paper slurry and alkaline sodium sulfite is: sulfate wood pulp 18～28%, post consumer printing paper slurry 35～45%, alkaline sodium sulphate straw pulp 40～45%.(system of copying) paper process can be with reference to following process chart
Adopt the kraft liner boards such as A of above-mentioned explained hereafter, its folding, damage resistibility are identical with like product, and quality is better than the kraft liner boards such as A produced with the waste and old corrugated case of the U.S..
Claims (3)
1, kraft liner board production method such as a kind of A, it is flowed through boxboard finished product slurry and founds sieve, head box enters forming net, by squeezing, dry, batch and finished product being made in rewinding, it is characterized in that described boxboard finished product slurry is starch adhesive that is made of sulfate wood pulp and the prime cement that is made of post consumer printing paper slurry, the mixing of alkaline sodium sulfite straw pulp, starch adhesive and prime cement enter forming net separately.
2, kraft liner board production method such as A according to claim 1, it is characterized in that said sulfate wood pulp, post consumer printing paper slurry and alkaline sodium sulphate straw pulp, its proportional quantity (proportioning total amount 100%) is: sulfate wood pulp 18～25%, post consumer printing paper slurry 35～45%, alkaline sodium sulfite straw pulp 40-45%.
3, kraft liner board production method such as A according to claim 2 is characterized in that the straw pulp of said alkaline sulfurous acid, and its permanganate number is 28～32.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97118859A CN1121535C (en) | 1997-10-30 | 1997-10-30 | Method for prodn. of kraft liner board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97118859A CN1121535C (en) | 1997-10-30 | 1997-10-30 | Method for prodn. of kraft liner board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1216791A true CN1216791A (en) | 1999-05-19 |
| CN1121535C CN1121535C (en) | 2003-09-17 |
Family
ID=5175019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97118859A Expired - Fee Related CN1121535C (en) | 1997-10-30 | 1997-10-30 | Method for prodn. of kraft liner board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1121535C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101768891B (en) * | 2009-12-25 | 2012-09-05 | 江苏理文造纸有限公司 | Kraft liner cardboard paper and manufacturing method thereof |
| CN104499344A (en) * | 2014-11-25 | 2015-04-08 | 南通新世纪机电有限公司 | Composite kraft paper manufacturing process |
| CN109837799A (en) * | 2019-03-11 | 2019-06-04 | 南京林业大学 | A kind of preparation method improving low grammes per square metre T cardboard ring crush intensity |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100447334C (en) * | 2006-12-08 | 2008-12-31 | 姜在胜 | Kraft white paperboard |
| CN101397765B (en) * | 2007-09-28 | 2010-08-25 | 中国制浆造纸研究院 | Coating kraft liner board paper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8603301D0 (en) * | 1986-02-11 | 1986-03-19 | St Regis Packaging Ltd | Corrugated board |
-
1997
- 1997-10-30 CN CN97118859A patent/CN1121535C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101768891B (en) * | 2009-12-25 | 2012-09-05 | 江苏理文造纸有限公司 | Kraft liner cardboard paper and manufacturing method thereof |
| CN104499344A (en) * | 2014-11-25 | 2015-04-08 | 南通新世纪机电有限公司 | Composite kraft paper manufacturing process |
| CN104499344B (en) * | 2014-11-25 | 2016-08-31 | 南通新世纪机电有限公司 | The manufacturing process of composite kraft paper |
| CN109837799A (en) * | 2019-03-11 | 2019-06-04 | 南京林业大学 | A kind of preparation method improving low grammes per square metre T cardboard ring crush intensity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1121535C (en) | 2003-09-17 |
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