Preparation and characterization of AKD sizing agent by “one-pot cooking”
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Lian Qing Huang
,
Lu Qing Cui
Abstract
Alkyl ketone dimer (AKD) is a reactive sizing agent commonly used in neutral or alkaline papermaking. Most traditional methods consist in preparing the AKD emulsion and then adding it to a starch solution. In this study, the preparation process of the AKD sizing liquid was improved and optimized. A novel preparation method of the AKD sizing agent was proposed. The effects of different reaction parameters, such as temperature, time, stirring speed, emulsifier dosage and solid content were investigated. The optimum conditions for preparing the AKD sizing agent were determined, and the sizing liquid was characterized. It was found that the water resistance of the coated paper was the highest when the reaction was carried out at 75 °C for 20 min, at a stirring speed of 700 r/min, with the emulsifier dosage of 9 % and solids content of 15 %.
Funding source: National Natural Science Foundation of China
Award Identifier / Grant number: 21406126
Award Identifier / Grant number: 21576146
Funding source: Department of Education of Shandong Province
Award Identifier / Grant number: L14LC11
Funding source: Shandong Province
Award Identifier / Grant number: KF201612
Funding source: Natural Science Foundation of Shandong Province
Award Identifier / Grant number: ZR2017QB002
Funding source: South China University of Technology
Award Identifier / Grant number: 201614
Funding source: China Postdoctoral Science Foundation
Award Identifier / Grant number: 2018M632638
Funding source: Shandong Province
Award Identifier / Grant number: 2018CXGC1001
Funding source: Shandong Province
Award Identifier / Grant number: 2018GGX104003
Funding statement: We thank China National Natural Science Foundation (Grant No: 21406126 and 21576146), Shandong Provincial Department of Education project (Grant No. L14LC11). The project was supported by the Foundation (No. KF201612) of Key Laboratory of Pulp and Paper Science and Technology of Ministry of Education, Shandong Province of China. The project was supported by the Shandong Provincial Natural Science Foundation, China (Grant No. ZR2017QB002). The project was supported by the Foundation (No. 201614) of State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou and Major special projects of Technology Department of Shandong province of China, China Postdoctoral Science Foundation (2018M632638), Major Science and Technology Innovation Project (2018CXGC1001) of Shandong province of China, Key Research and Development Program (2018GGX104003) of Shandong province of China.
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Conflict of interest: The authors declare no conflicts of interest.
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Articles in the same Issue
- Frontmatter
- Biorefinery
- Improving the efficiency of enzymatic hydrolysis of Eucalyptus residues with a modified aqueous ammonia soaking method
- Chemical pulping
- Enhancement of eucalypt pulp yield through extended impregnation cooking
- Xyloglucan adsorption for measuring the specific surface area on various never-dried cellulose nanofibers
- Xyloglucan for estimating the surface area of cellulose fibers
- Mechanical pulping
- Validation of crill measurements in a high-yield pulp refining process for improved fines material control
- Bar force measurement in low consistency refining: the effect of plate pattern
- Paper technology
- The influence of bar width on bar forces and fibre shortening in low consistency pulp refining
- Density development in foam forming: wet pressing dynamics
- Paper physics
- Effect of softwood kraft fiber coarseness on formation and strength efficiency in twin-wire roll forming
- Phosphorescence and fluorescence of fibrillar cellulose films
- A three-dimensional numerical model for large strain compression of nanofibrillar cellulose foams
- Effect of machine speed on formation and strength efficiency in twin-wire roll forming of never-dried unbleached softwood kraft pulp
- The versatility of the Bristow absorption tester – a review
- Paper chemistry
- Optimizing the preparation conditions of amphoteric polyacrylamide as a strength additive for recycled paper
- Preparation of nanocomposite polypyrrole/cellulose nanocrystals for conductive paper
- Preparation and characterization of AKD sizing agent by “one-pot cooking”
- Thermal and natural aging of bagasse paper sheets coated with gelatin
- Coating
- Crack analysis of barrier coatings based on starch and starch-PVOH with and without plasticizer
- Packaging
- Effect of blank pre-conditioning humidity on the dimensional accuracy and rigidity of paperboard trays
- Environmental impact
- Biological treatment and ultrafiltration of woodchip pre-hydrolysis liquor from dissolving pulp mills
- Recycling
- Circular action treatment (CAT): a new strategy for mechanical treatment of old corrugated container I – effects of control parameters on paper strength
Articles in the same Issue
- Frontmatter
- Biorefinery
- Improving the efficiency of enzymatic hydrolysis of Eucalyptus residues with a modified aqueous ammonia soaking method
- Chemical pulping
- Enhancement of eucalypt pulp yield through extended impregnation cooking
- Xyloglucan adsorption for measuring the specific surface area on various never-dried cellulose nanofibers
- Xyloglucan for estimating the surface area of cellulose fibers
- Mechanical pulping
- Validation of crill measurements in a high-yield pulp refining process for improved fines material control
- Bar force measurement in low consistency refining: the effect of plate pattern
- Paper technology
- The influence of bar width on bar forces and fibre shortening in low consistency pulp refining
- Density development in foam forming: wet pressing dynamics
- Paper physics
- Effect of softwood kraft fiber coarseness on formation and strength efficiency in twin-wire roll forming
- Phosphorescence and fluorescence of fibrillar cellulose films
- A three-dimensional numerical model for large strain compression of nanofibrillar cellulose foams
- Effect of machine speed on formation and strength efficiency in twin-wire roll forming of never-dried unbleached softwood kraft pulp
- The versatility of the Bristow absorption tester – a review
- Paper chemistry
- Optimizing the preparation conditions of amphoteric polyacrylamide as a strength additive for recycled paper
- Preparation of nanocomposite polypyrrole/cellulose nanocrystals for conductive paper
- Preparation and characterization of AKD sizing agent by “one-pot cooking”
- Thermal and natural aging of bagasse paper sheets coated with gelatin
- Coating
- Crack analysis of barrier coatings based on starch and starch-PVOH with and without plasticizer
- Packaging
- Effect of blank pre-conditioning humidity on the dimensional accuracy and rigidity of paperboard trays
- Environmental impact
- Biological treatment and ultrafiltration of woodchip pre-hydrolysis liquor from dissolving pulp mills
- Recycling
- Circular action treatment (CAT): a new strategy for mechanical treatment of old corrugated container I – effects of control parameters on paper strength
