CN1288086A - Technology of Inhibiting Yellowing of High Yield Bleached Pulp and Its Blended Products - Google Patents
Technology of Inhibiting Yellowing of High Yield Bleached Pulp and Its Blended Products Download PDFInfo
- Publication number
- CN1288086A CN1288086A CN 99114433 CN99114433A CN1288086A CN 1288086 A CN1288086 A CN 1288086A CN 99114433 CN99114433 CN 99114433 CN 99114433 A CN99114433 A CN 99114433A CN 1288086 A CN1288086 A CN 1288086A
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- Prior art keywords
- pulp
- paper
- yield
- prescription
- products
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005516 engineering process Methods 0.000 title claims description 9
- 238000004383 yellowing Methods 0.000 title abstract 2
- 230000002401 inhibitory effect Effects 0.000 title 1
- 239000000123 paper Substances 0.000 claims abstract description 15
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 11
- 230000032683 aging Effects 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 239000002023 wood Substances 0.000 claims abstract description 4
- 238000004061 bleaching Methods 0.000 claims abstract 3
- 238000005507 spraying Methods 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 150000003863 ammonium salts Chemical class 0.000 claims description 2
- 239000003963 antioxidant agent Substances 0.000 claims description 2
- 230000003078 antioxidant effect Effects 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 claims 5
- 239000000203 mixture Substances 0.000 claims 2
- 239000006096 absorbing agent Substances 0.000 claims 1
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 239000012467 final product Substances 0.000 claims 1
- 238000009472 formulation Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- 230000006872 improvement Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000005764 inhibitory process Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000011087 paperboard Substances 0.000 abstract 2
- 239000011111 cardboard Substances 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 3
- 229920005610 lignin Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 230000003679 aging effect Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 238000007539 photo-oxidation reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000003021 water soluble solvent Substances 0.000 description 1
Landscapes
- Paper (AREA)
Abstract
本发明适合于速生木材漂白高得率纸浆、浆板生产及其配抄的纸或纸板产品,提高抗光老化和抑制返黄的要求之用,其特点是采用单独或组合工艺技术对纸浆进行还原或化学改进处理对浆板或纸、纸板产品采用本发明配方的进行喷淋,涂布或浸渍处理,可以显著改善高得率木浆及其产品的抗光老化性能。本发明可以提高高得率纸浆应用范围,特别是用于高档产品生产提供了技术保证,处理成本低,可以实现工业化生产使用。The present invention is suitable for the production of fast-growing wood bleaching high-yield pulp and pulpboard and the paper or paperboard products blended therewith, and is used to improve the requirements of anti-light aging and inhibition of yellowing. Reduction or chemical improvement treatment Spraying, coating or impregnating the pulp board or paper or cardboard products with the formula of the present invention can significantly improve the anti-light aging performance of high-yield wood pulp and its products. The invention can improve the application range of the high-yield pulp, especially provides technical guarantee for the production of high-grade products, has low processing cost, and can realize industrial production and use.
Description
The present invention relates to the improvement that high lignin content paper pulp and paper product are easy to the shortcoming of aging brightness reversion, particularly to saving timber, improves high yield wood pulp utilization benefit and improves the improvement of paper and board product ageing-resistant performance.
At present, pulping process mainly contains the main type of two classes; The one, chemical pulping, another is high yield mechanical feedback; Because mechanical feedback yield height is doubled to timber utilization rate, but therefore Mechanical Method paper pulp be easy to light, heat ageing and brightness reversion owing to being main feature with high lignin content, limited its range of application.However, high-yield pulp is still developing with fast speeds.
The objective of the invention is to by researching and developing out economic and practical inhibition high yield pulp and joining light, heat ageing and the brightness reversion of copying product, being beneficial to high yield pulp maximizes favourable factors and minimizes unfavourable ones, promote the high yield pulp technology rapid development, improve product quality, improve the enterprises in pulp and paper industry economic benefit, cut down the consumption of raw materials, reduce the key technology of environmental pollution.Potential economy, society, environmental benefit are very big.
The object of the present invention is achieved like this:
(1) the high yield bleached pulp of fast growing wood reduces processing under aqueous medium, reductant 0.05～1%, pH value 7～9, concentration 10～20%, 50～80% ℃ of temperature, 20～80 minutes time, chelating agent, stabilizing agent 0.01～0.1%.
(2) in stock tank, add ultraviolet absorber 0～1.0%, nitrogen oxygen-cent red radical 0～1.0%, the mixing water of antioxidant 0～2.0% and PH buffer or solvent solution or when pulpboard and paper product are manufactured paper with pulp spray, coating, dipping, dry same common process.
(3) pulpboard or paper product carry out gas chemistry modification processing, and adopting organic acid anhydride, buffer ammonium salt is medicament.
Above method can be according to the ageing-resistant brightness reversion performance requirement of different pulp products separately or be used.
Handle by the technology of the present invention, it is anti-aging and suppress the brightness reversion performance and improved significantly that the high yield wood pulp of fast growing wood or join is copied product.
Further set forth the present invention below by example.
Example one:
High yield bleached wood pulp is handled the improvement situation of back photooxidation aging property by reduction
Example two:
100% high yield pulp is copied the paper of system, adopts prescription coating of the present invention back anti-light aging performance improvement situation
* dissimilar (water-soluble or organic solvent types)
Example three:
After paper pulp reduction is handled, manufacture paper with pulp into paper product and adopt the present invention's coating back anti-light aging performance improvement situation of filling a prescription
Claims (4)
1. one kind is applicable to and utilizes high-yield pulp to join a technology and an additive formulations that second bleached paper product suppresses the photo-thermal brightness reversion, it is characterized in that:
(1) is applicable to high yield bleached mechanical pulp such as BCTMP, APMP and bleaching GP.Join preventing aging and suppressing the brightness reversion requirement of all paper products of copying;
(2) prescription: UV absorbers 0～1.0%
Nitrogen oxygen-cent red radical 0～1.0%
Antioxidant 0～2.0%
Reductant 0.05～1%
(3) using method
High-yield pulp is handled through reductant, reductant 0.05～1%PH value 7～9, and concentration 10～20%, 50～80 ℃ of temperature, can be improved the anti-brightness reversion effect of paper pulp at 20～80 minutes time.
When copying system high-yield pulp pulpboard, the aqueous solution or the organic solvent solution that can directly spray above prescription are also dry on pulpboard, or mix with paper pulp among directly adding stock tank;
When copying the system sheet paper products, can adopt following several method:
A) add stock tank
B) page dipping
C) page coating or surface spraying
Get final product by the dry page of normal drying process
(4) paper is carried out the gas chemistry modification and handle organic acid anhydride 0.01～0.5%, buffer ammonium salt 0.01～0.5%, 95～140 ℃ of temperature, 5～25 minutes time.
2. according to described technology of claim 1 and prescription, it is characterized in that being applicable to fast growing wood bleaching high-yield pulp and join and copy product.
3. according to described technology of claim 1 and prescription, it is characterized in that SOME METHODS can be separately or fit applications according to different requirements.
4. according to claim 1,2,3 described technology and prescriptions, its feature goes for paper pulp, pulpboard, white paper and board product and improves occasions such as suppressing the brightness reversion performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99114433 CN1288086A (en) | 1999-09-10 | 1999-09-10 | Technology of Inhibiting Yellowing of High Yield Bleached Pulp and Its Blended Products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99114433 CN1288086A (en) | 1999-09-10 | 1999-09-10 | Technology of Inhibiting Yellowing of High Yield Bleached Pulp and Its Blended Products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1288086A true CN1288086A (en) | 2001-03-21 |
Family
ID=5277519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99114433 Pending CN1288086A (en) | 1999-09-10 | 1999-09-10 | Technology of Inhibiting Yellowing of High Yield Bleached Pulp and Its Blended Products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1288086A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101326327B (en) * | 2005-12-14 | 2012-09-12 | 纳尔科公司 | Method of decreasing the rate of photoyellowing |
| CN115029956A (en) * | 2022-06-10 | 2022-09-09 | 万国纸业太阳白卡纸有限公司 | A kind of cardboard and preparation method thereof |
| CN115094667A (en) * | 2022-08-05 | 2022-09-23 | 深圳百市达生物技术有限公司 | Additive for inhibiting plant fiber yellowing |
-
1999
- 1999-09-10 CN CN 99114433 patent/CN1288086A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101326327B (en) * | 2005-12-14 | 2012-09-12 | 纳尔科公司 | Method of decreasing the rate of photoyellowing |
| CN115029956A (en) * | 2022-06-10 | 2022-09-09 | 万国纸业太阳白卡纸有限公司 | A kind of cardboard and preparation method thereof |
| CN115094667A (en) * | 2022-08-05 | 2022-09-23 | 深圳百市达生物技术有限公司 | Additive for inhibiting plant fiber yellowing |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |