2 edition of test method to determine the linting propensity of newsprint. found in the catalog.
test method to determine the linting propensity of newsprint.
C. V. Hawkes
|Series||PR 204 : part 3, Pira management brief|
|Contributions||Pira. Printing and Information Technology Division.|
Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. Easily share your publications and get them in front of Issuu’s. Number of particles released from the testing fabric is counted and classified using a particle counter within the size range from to 25 μm. Another test method for evaluation of the wet linting in nonwoven dressings is introduced in the EN The test sample is firstly shook in water at the frequency of – Hz for 10 min.
Web tension affects the linting propensity as it affects the true take-off angle of the paper. Printing Form Linting increases with print density, due to more ink coverage and more ink film in. A method for making an opacity relevant grade paper or paperboard product, such as a communication type paper used for printing and writing applications, utilizes an effective amount of quaternized alkanolamine fatty acid ester compounds as an opacification aid to control the optical properties of the paper or paperboard product as a wet-end additive to a papermaking operation.
For the snagging test according to the ICI-method, the samples are put in a box which is continuously turned. Inside the box the samples fall randomly on spikes and the snags caused are assessed. For the bursting strength test, samples with a surface of cm 2 are attached on a rubber plate. The pressure under the rubber plate rises until the. Linting tendency-Lint Pick Test. In this method, developed at STFI-Packforsk AB, Sweden, a paper sample is placed on an IGT-printability tester and the steel disc, made sticky with a thin film of pick-test oil is pressed against the paper. A print is then made at an accelerating speed.
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A new lint propensity test has been designed to allow papermakers to test the linting potential of their paper at the mill, on samples taken off the reels or the paper rolls. The test is simple, quick and therefore offers the capability of monitoring linting propensity almost in real time.
One obviousCited by: 3. A new test has been developed to characterize the linting propensity of paper. Among other things, it allows measurements at the mill to assess the linting propensity in real time. The Effect of Dryer Section Operation on the Linting Propensity of Newsprint Article (PDF Available) in Pulp and Paper Canada -Ontario- 62(2) June with Reads How we measure 'reads'.
Method verification (Lint reduction additive pilot papermachine trial) The last stage of this study was to test the method with and actual paper to determine if it could detect the effect of an anti-linting aid.
During a pilot papermachine trial that was run on the Centre spécialisé en pâtes et papiers (Cégep. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): In a previous paper, we have shown that a simple pull-tape method could be successfully used to evaluate the relative efficiency of lint reduction chemicals in both laboratory studies and mill trials.
These results were obtained on paper grades containing marginal amounts of filler (newsprint and directory). Finally, the method was applied to determine the linting propensity of highly filled supercalendered paper produced on a hybrid former machine.
In this case, the linting propensity of the bottom. paper and the low linting paper under most conditions. For this reason, the normal tack ink given in Table was used. After a series of experiments, it was concluded by visual analysis that the following set of variables was most appropriate for determining the linting propensity of newsprint.
This is. The invention relates to compositions for coating of printing paper, said compositions comprising microfibrillated cellulose (MFC) and one or more polysaccharide hydrocolloids, and use of said compositions.
Further, the invention relates to coated paper, comprising a first layer of polysaccharide hydrocolloid(s) and a second layer of MFC, and use of said paper.
Validation of the Lint Camera System. In Figs. 7 and 8, the distribution of the percentage area of lint on the blanket is plotted against the mean particle area. Figure 7 uses the data from 45 gsm and 42 gsm newsprint to show comparison from both the lint camera and the tape pull methods.
Standard Test Method for Resistance to Airflow as an Indication of Average Fiber Diameter of Wool Top, Card Sliver, and Scoured Wool: D - 05() Standard Test Method for Alkali-Solubility of Wools: D - 05() Standard Test Method for Tensile Strength and Breaking Tenacity of Wool Fiber Bundles 1-in.
(mm) Gage Length: D - PDF | This report summarizes the results from trials on Paprican's pilot paper machine in which we treated the surface of wet newsprint, at 46% solids | Find, read and cite all the research you.
Official Method except for extensive history in its use. If it produces numerical results, it is required to have a precision statement containing at least a value for within-laboratory precision, as described in T “Interlaboratory Evaluation of Test Methods to Determine TAPPI Repeatability and Reproducibility.” A testing.
Note 1: For other methods, if testing the pilling resistance of textiles, refer to Test Methods D/DM, D/DM, and D This test method is not suitable for fabrics thicker than 3 mm [ in.] because such fabrics cannot be mounted in the specimen holder.
containing offset paper grades are typically prone to linting. Newsprint and SC offset are examples of these paper grades. (Oittinen & Saarelma,) In addition to linting, picking is a paper property of very similar type. The difference between linting and picking is that the particles released in picking are at least partly bonded.
A high linting propensity of the paper or newsprint will be a nuisance to the printer and in certain cases may cause the paper to be rejected by the customer.
The linting propensity and the associated other deficiencies of the paper are essentially a surface phenomenon and are due to the relatively weak bonding of and between certain fibers on.
14 Lint Propensity. Linting refers to the shedding of loosely bound materials from the paper surface during printing. This is one of the most important quality issues for the offset printing of newsprint and other paper grades containing mechanical pulp furnish.
Conventionally, linting tests are conducted with a pilot-scale printing press or. This test method covers the determination of the propensity of a fabric to form pills and other related surface changes on textiles using the brush pilling tester. This procedure is generally intended to be used for upholstery, automotive, luggage and heavy duty uniform fabrics because it is highly abrasive.
Pilling is defined as the entangling of fibers into balls (pills) which stand proud of the fabric (British Standards Institution, ).A pill is of such density that light will not penetrate and will cast a shadow (British Standards Institution, ).Pilling is the entangling of fibers during washing, dry cleaning, tumble drying, testing, or in wear to form balls or pills on the surface of a.
The Effect of Dryer Section Operation on the Linting Propensity of Newsprint. Pulp & Paper Canada (1): T6–T10 (Jan./Feb. Paper presented at the PAPTAC 95th Annual Meeting in. If there is a disagreement arising from differences in values reported by the purchaser and the supplier when using Test Method D for acceptance testing, the statistical bias, if any, between the laboratory of the purchaser and the laboratory of the supplier should be determined based on testing specimens randomly drawn from one sample of material of the type being evaluated.
Bonding properties of mechanical pulps US; process for producing a mechanical pulp of improved linting properties by screening the pulp to provide a through and a retained fraction, fractionating the through fraction by means of a hydrocyclone into at least two fractions one fraction having an average specific surface less than a predetermined value between and 4 m 2 /g and the.However, as the authors noted, the use of a proper DSR technology will offset linting propensity, while maintaining the benefits on brightness, caliper and absorption properties.
Wet end cationic starches are a well-established method of maintaining sheet properties with higher filler levels used in different countries and paper grades.remove filler from sheets of newsprint / paper. The IGT Printability tester provides repeatable results when evaluating the linting propensity of a series of papers, if run under the same set of experiment variables.
It is difficult to quantify and qualify whether the source of lint has been from filler or small fibre fragments / fines.