effect of refining on paper properties

In the second phase, based on the handsheet results, the optimal fiber morphologic types were selected to provide the furnish mix and form “super-soft” household paper using an on-site paper machine, so as to verify the effect of fiber morphology



The mechanical treatment of paper pulp fibers to impart to them the appropriate characteristics for papermaking. Hardwood kraft pulps are suitable for production of tissue paper with high softness and absorbency.

The effect of different refining processes on the physical (colour, specific gravity, refractive index) and chemical (acidity, saponification number, ester number, iodine value, peroxide value, unsaponifiable matter) properties of sunflower and soybean oils was studied. Moreover, the effects of refining process on the properties of unbleached and bleached pulps and papers were investigated.

Degumming and dewaxing procedures caused negligible differences in the properties mentioned above. After that effect of refining action on structural changes was determined. Submitted to TAPPI JOURNAL V Karlsson, H., Stolpe, L., Beghello, L. and Nilsson, L. (2010): The effect on paper strength of man-made fibres … To obtain a suitable refining process for Pinus massoniana cellulose fibers (PMCF) and China fir cellulose fibers (CFCF), the effects of the beating gap and the pulp consistency on the physical properties and the morphology of the two cellulose fibers were investigated.

Results confirm the potentiality of the fibres obtained from S. tenacissima and justify the cooking of this vegetal species, in view of using the prepared fibres in … Thus, the treatment of kraft pulps with xylanases may lead to substantial savings of refining energy without negative effects on paper characteristics. unbleached kraft pine pulp. Refining (i.e., mechanical beating of pulp) is a common procedure that is used in paper-making to improve the mechanical properties of the final product.

Degumming and dewaxing procedures caused negligible differences in the properties mentioned above. The improvements caused by refining are mainly attributed to increased density and to a better bonding between fibers.

The effect of different refining processes on the physical (colour, specific gravity, refractive index) and chemical (acidity, saponification number, ester number, iodine value, peroxide value, unsaponifiable matter) properties of sunflower and soybean oils was studied.

Various aspects of the pulp refining on paper characteristics have been studied, but reliable research reports on the impact of refining on paper de-inking is limited. These subtle changes positively affected the susceptibility of the pulp to refining (refining energy was significantly reduced) and improved the static strength properties of paper. Pulp refining increases wet tensile index and reduces water absorbency of paper. furnish and refining on household paper properties. refining). Pulp refining is a promising approach to improve the pulp quality by changing the fiber characteristics. 2. The results showed that the physical properties of the PMCF and the CFCF were well affected by the beating gap and the pulp … Paper properties were then examined which consist of strength, optical, structural and surface properties. The diversity of research on the effect of refining on fiber properties which is due to the different pulp sources, pulp consistency and refining equipment has interested us to provide a review on the studies over the last decade. Pulp refining is a promising approach to improve the pulp quality by changing the fiber characteristics. Basic effects of pulp refining on fiber properties—A review Paper strength evaluation both in stratified and in homogeneous sheets with selected fibres – Part II: Effect of refining. So a papermaker always should check out the degree SR and consistency of the stock and should be keep it at optimum level. The effects of refining on paper properties are out of scope of the present study, but it has been referred where it is related to the fiber properties.

Finally, the relationship between structural changes in fiber and paper properties was analyzed.

Free swelling is the effect of water sorption by cellulose fibres without their simultaneous mechanical treatment (e.g. In this work, we study how various mechanisms that can be triggered by refining affect the tensile behavior of the sheets. The diversity of research on the effect of refining on fiber properties which is due to the different pulp sources, pulp consistency and refining equipment has interested us to provide a review on the studies over the last decade.

How to increase the caliper of the paper Caliper is affected by refining of the fiber; well refined or beaten of stock reduce the thickness.

In addition consistency in the headbox also effect on it.


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