THE EFFECT OF CATIONIC AGENTS PRECIPITATED CALCIUM CARBONATE (PCC) SYNTHESIS'S SUSPENSION ON PAPER PROPERTIES

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MOHAMADZADEH SAGHAVAZ K.; RESALATI H.; SARAIYAN A.R.; AFRA E.

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Journal: Journal of Wood and Forest Science and Technology Year:2016 | Volume:23 | Issue:SUPPLEMENT 1 Page(s): 217-236

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Title

THE EFFECT OF CATIONIC AGENTS PRECIPITATED CALCIUM CARBONATE (PCC) SYNTHESIS'S SUSPENSION ON PAPER PROPERTIES

Author(s)

MOHAMADZADEH SAGHAVAZ K. | RESALATI H. | SARAIYAN A.R. | AFRA E. | Issue Writer Certificate

Keywords

PRECIPITATED CALCIUM CARBONATEQ1

CATIONIC STARCHQ2

POLYACRYLAMIDEQ1

POLYAMINOAMID-EPICHLOROHYDRINQ1

POLY DADMACQ1

Abstract

This research is carried out to survey the effect of using cationic polymers for suspension cationization of PRECIPITATED CALCIUM CARBONATE (PCC) synthesis on paper properties.Introduction: Paper is made by lignocellulosic material and inorganic compounds. Inorganic compounds are including functional additives and process aids which mineral fillers belong to functional additives. Todays, due to shortage and high price of lignocellulosic raw material, papermakers raised the consumption of mineral fillers. However, mineral fillers though have numerous advantageous like improvement in optical properties, printability, reduce production costs, also induces disadvantageous like weak distribution in paper structure, loss of mechanical properties, less retention, instability of production line and increasing effluent pollution loading.The use of PCC retention aid chemicals CATIONIC STARCH with medium cationic charge induces highest retention value, while CATIONIC STARCH with high charge density results in most drainage.Also in case of modified PRECIPITATED CALCIUM CARBONATE with carboxyl methyl cellulose (CMC) /alum improved filler retention and also optical properties like brightness and opacity in comparison with control sample significantly.Eventually, considering issues like production cost, effluent and its pollution loading, enhancement of paper machine speed, and also necessity of production paper with appropriate formation and quality, it's necessary to study the interactions of various additives in paper, depending on their application.Material and Methods: Synthesis of PCC carried out by injecting the carbon dioxide (CO2) to lime solution, or releasing the CO2 thereby hydrolysis of dimethyl carbonate in alkaline media. Cationic polymers including CATIONIC STARCH, POLYACRYLAMIDE, poly amino polyamide-epichlorohydrin and POLY DADMAC in 15% level were used in synthesis suspension of calcium carbonate. Finally, paper properties filled with modified-PCC were examined.Results: It's found that cationic suspension of different polymers leads to variation on synthesized calcium carbonate as papermaking filler. Generally, papers filled with modified-PCC compared with papers contained industrial calcium carbonate and those had synthesized calcium carbonate, improved optical and mechanical properties in neutral media except tear strength.Conclusion: In this study, values of ash in papers contained modified calcium carbonate increased compared with papers with industrial calcium carbonate and those with synthesized calcium carbonate in neutral media. Bulk of papers with modified fillers reduced, but the air resistance, tensile and burst strengths and also optical properties increased. Normally, since mineral fillers have no bonding ability with cellulose fibers, so due to restricted and weaker bonds between fibers and also lack of appropriate formation and lack of stress distribution as a result, tensile and burst indices of paper decreased respectively. However, by synthesizing calcium carbonate in cationic suspension, because of improved bonding area induced by presence of cationic polymers in surface of PRECIPITATED CALCIUM CARBONATE and uniform distribution of mineral filler in paper different response found.

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APA: Copy

MOHAMADZADEH SAGHAVAZ, K., RESALATI, H., SARAIYAN, A.R., & AFRA, E.. (2016). THE EFFECT OF CATIONIC AGENTS PRECIPITATED CALCIUM CARBONATE (PCC) SYNTHESIS'S SUSPENSION ON PAPER PROPERTIES. JOURNAL OF WOOD AND FOREST SCIENCE AND TECHNOLOGY, 23(SUPPLEMENT 1), 217-236. SID. https://sid.ir/paper/156835/en

Vancouver: Copy

MOHAMADZADEH SAGHAVAZ K., RESALATI H., SARAIYAN A.R., AFRA E.. THE EFFECT OF CATIONIC AGENTS PRECIPITATED CALCIUM CARBONATE (PCC) SYNTHESIS'S SUSPENSION ON PAPER PROPERTIES. JOURNAL OF WOOD AND FOREST SCIENCE AND TECHNOLOGY[Internet]. 2016;23(SUPPLEMENT 1):217-236. Available from: https://sid.ir/paper/156835/en

IEEE: Copy

K. MOHAMADZADEH SAGHAVAZ, H. RESALATI, A.R. SARAIYAN, and E. AFRA, “THE EFFECT OF CATIONIC AGENTS PRECIPITATED CALCIUM CARBONATE (PCC) SYNTHESIS'S SUSPENSION ON PAPER PROPERTIES,” JOURNAL OF WOOD AND FOREST SCIENCE AND TECHNOLOGY, vol. 23, no. SUPPLEMENT 1, pp. 217–236, 2016, [Online]. Available: https://sid.ir/paper/156835/en

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