CN1121535C - Method for prodn. of kraft liner board - Google Patents
Method for prodn. of kraft liner board Download PDFInfo
- Publication number
- CN1121535C CN1121535C CN97118859A CN97118859A CN1121535C CN 1121535 C CN1121535 C CN 1121535C CN 97118859 A CN97118859 A CN 97118859A CN 97118859 A CN97118859 A CN 97118859A CN 1121535 C CN1121535 C CN 1121535C
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- China
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- pulp
- liner board
- kraft liner
- printing paper
- kraft
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Abstract
The present invention discloses a method for producing kraft linerboards of A level. The present invention uses 18 to 25% of sulfate wood pulp as face pulp; mixing pulp of 35 to 45% of paper pulp of waste old books and 40 to 45 % of alkali sodium sulfate straw pulp is used as base pulp. Kraft linerboards of A level produced by the present invention are compared with the similar products produced by US waste old corrugated boxes AOCC, the kraft linerboards have the advantage of no black spots at the surface of paper; the quality is improved, and the production 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 excellent kraft liner board 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 a kind of kraft liner board production method, 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, can 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.
A kind of kraft liner board production method, it adopts sulfate wood pulp, post consumer printing paper slurry and alkaline sodium sulfite straw pulp as boxboard finished product slurry, and 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 18～25%, post consumer printing paper slurry 35～45%, alkaline sodium sulfite straw pulp 40～45%.Copying system paper process can be with reference to process chart shown in the drawings.
Adopt the kraft liner board of above-mentioned explained hereafter, its folding, damage resistibility are identical with like product, and quality is better than the kraft liner board quality of producing with the waste and old corrugated case of the U.S..
Claims (3)
1, a kind of kraft liner board production method, it is flowed through boxboard finished product slurry and founds sieve, head box enters forming net, by squeezing, dry, batch and the rewinding manufactured goods, 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, and starch adhesive and prime cement enter forming net separately.
2, kraft liner board production method 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 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 CN1216791A (en) | 1999-05-19 |
| CN1121535C true 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 (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 |
Families Citing this family (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 |
| 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2186235A (en) * | 1986-02-11 | 1987-08-12 | St Regis Packaging Ltd | Corrugated board |
-
1997
- 1997-10-30 CN CN97118859A patent/CN1121535C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2186235A (en) * | 1986-02-11 | 1987-08-12 | St Regis Packaging Ltd | Corrugated board |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1216791A (en) | 1999-05-19 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |