2 edition of Wet strength in paper and paperboard. found in the catalog.
Wet strength in paper and paperboard.
Technical Association of the Pulp and Paper Industry
in New York
Written in English
|Series||TAPPI monograph series -- no. 13|
|Contributions||Britt, Kenneth W.|
|LC Classifications||TS1109 T48|
|The Physical Object|
|Number of Pages||96|
Wet strength in paper and paperboard. Like many concepts in the book world, "series" is a somewhat fluid and contested notion. A good rule of thumb is that series have a conventional name and are intentional creations, on the part of the author or publisher. For now, avoid forcing the issue with mere "lists" of works possessing an arbitrary. D Test Method for Tensile Properties of Paper and Paperboard Using Constant-Rate-of-Elongation Apparatus. D Test Methods for Wet Tensile Breaking Strength of Paper and Paper Products. D Test Method for Blocking Resistance of Paper and Paperboard. D Test Method for Copper Number of Paper and Paperboard. D Test Methods for.
Papermaking - Papermaking - Bleaching and washing: The use of calcium and sodium hypochlorites to bleach paper stock dates from the beginning of the 19th century. In the early days of sulfite pulp manufacture, a single-stage treatment of pulp at low consistency, using calcium hypochlorite (chlorinated lime), satisfied most requirements. This simple bleaching treatment, however, is not. A composition of matter (resin) useful for imparting wet strength to paper products is prepared from a polyamine, a polycarboxylic acid or ester, a dialdehyde and epichlorohydrin. Wet strengthened paper products made using the resin are more easily repulped than paper products made with conventional wet strength by:
Coated Paper. Non-Silicone Release Paper, Wet Strength Paper, Polypropylene Paper & Polyester Paper. EMI Specialty Papers manufactures and stocks coated paper and paperboard for many diverse industries. Coated paper is paper or paperboard upon which . The finch wet strength device is used to determine the wet tensile strength of a sample. This information is important for materials subjected to moisture and stress during processing or use. It is particularly useful for measuring paper, paperboard and other materials that are easily damaged by .
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Buy Wet Strength in Paper and Paperboard on FREE SHIPPING on qualified orders. Wet Strength in Paper and Paperboard Published by Technical Association of the Pulp and Paper Industry (). Technical Association of the Wet strength in paper and paperboard. book and Paper Industry.
Wet strength in paper and paperboard. New York, (OCoLC) Document Type: Book: All Authors / Contributors: Technical Association of the Pulp and Paper Industry.
OCLC Number: Description: 96. Wet strength in paper and paperboard. A project of the Wet Strength and Interfiber Bonding Committee. In today’s paper and paperboard manufacturing, chemicals like fillers, thickeners, sizing agents, defoamers, retention aids and wet and dry strength resins are widely applied.
Wet-strength resins are added to the stock when manufacturing paper or paper board. Paper merely remains 3 to 5% of its dry strength after fully wetted, which is commonly.
Like rebar in concrete, the addition of wet strength to kraft paper chemistry provides strength and performance in wet and humid environments. Acting as an invisible net, wet strength enhances sheet performance by holding together the fiber structure once moisture is absorbed resulting in converted products that keep their integrity in the some of the most demanding applications.
Wet-strength Books. Typically used in medical, mining and field survey applications, wet-strength books are ideal for use in damp and wet conditions. Although the pages are waterproof, they are easy to write on without smudging. We offer a full range of “Orange Series” specialised wet-strength books to suit different data capturing.
Papermaking - Papermaking - Paper grades: Bond is characterized by a degree of stiffness, durability for repeated handling and filing, resistance to the penetration and spreading of ink, bright colour, and cleanliness.
There are two groups of bond papers: rag content pulp and chemical wood pulp. Rag content bond may vary from 25 to percent cotton fibre content.
Wet Strength Problems (Troubleshooting Guide) Wet Strength (Low, Repulping of) The ability of paper products to maintain a substantial proportion of their original strength after being completely saturated with aqueous solution is known as wet strength.
Sometimes the criterion for defining a wet-strength grade of paper is that the ratio of wet to dry tensile or burst strength is at least ten or fifteen percent. A repulpable wet strength paperboard formed from an aqueous dispersion of cellulosic fibers treated with a temporary cationic wet strength agent and a permanent wet strength agent or a reactive internal size wherein said temporary wet strength agent and said permanent wet strength agent or size are used in combined amounts sufficient to impart wet strength to said paper yet render said paper Cited by: Wet Strength Additives for Paper Wet strength chemicals are a necessary and critical papermaking additive for many grades of tissue, towel, specialty, and paperboard.
Operational variables like the amount and type of recycle fiber and filler, refining, and other wet end additives, can impact the efficiency of wet strength resins.
Recycled beverage board in carrier is typically thicker than wet-strength. They make recycled beverage board thicker, and use more paper, in an effort to compensate for the relative weakness of its fibers. Wet strength carriers ARE recyclable, by the way.
The Internal Bond Strength of paper or paperboard (also known as Ply Bond Strength or Z Directional Strength) is the ability of the product to resist splitting when a tensile load is applied through the paper’s thickness i.e.
in the Z direction of the sheet. Wet Strength Some grades of paper such as tea bag paper, coffee filter paper etc. Full Article. Rethinking the Determination of Wet Strength of Paper. Zicheng Chen, a,b Lanhe Zhang, a, * and Zhibin He b The wet strength of paper is an important physical property, especially for household paper, e.g., paper towels, as well as for some functional paper r, in the literature, various conditions of immersing the samples in water before testing have been reported.
Wet strength chemicals are a necessary and critical papermaking additive for many grades of tissue, towel, specialty, and paperboard. Operational variables like the amount and type of recycle fibre and filler, refining, and other wet end additives, can impact the efficiency of wet strength resins.
Packaging designed to resist breaking down when wet is called wet-strength packaging. Beverages whose containers tend to sweat, such as beer and soda, are packaged in this type of paperboard to.
Relation of the tensile strength of paper. Tensile strength is used to find out how resistant paper is to a web break. The strength, length and bonding of fiber, degree of fiber refining and the direction of the fiber are the main sources of the tensile strength of paper.
It is also depends on the quality and quantity of fillers used. These test methods measure the (wet) tensile breaking strength of paper, paper products, and paperboard (excluding corrugated board) when saturated with water.
These test methods are intended for use with papers and paper products that will be subjected to stress while wet during processing or use, including but not limited to tissue File Size: 64KB.
Wet strength The wet strength of paper and paperboard is a measure of how well the web of fibers holding the paper together can resist a force of rupture when the paper is wet.
Wet strength is routinely expressed as the ratio of wet to dry tensile force at break. strength Wet Tensile Strength Stretch of Paper Paper Strength in the z-direction The Wax Pick Test Internal Bond Strength as Measured by z-direction Tensile Strength Bursting Strength Measurement of bursting strength Distribution of stresses within the speciment Factors affecting bursting strength Tearing Resistance of Paper and Paperboard.
Wet Strength Resins for Paper and Paperboard Applications, 18PaperCon POWERPOINT ONLY TAPPI conference proceedings and presentations, technical papers, and publication articles provide technical and management data and solutions on topics covering the Pulp, Paper, Tissue, Corrugated Packaging, Flexible Packaging, Nanotechnology and Converting Industries.TAPPI T Wet tensile strength describes the procedure for the determination of the tensile strength of paper and paperboard after saturation with water.
This procedure is applicable to papers and paperboard (excluding corrugated board) that will be subjected to stress while wet, either during processing or use.
Once wet, ordinary papers lose most of their original dry-strength properties. Wet strength papers possess properties that resist disintegration and rupture when saturated with water. Papers are classified wet strength when they retain 15 percent or more of their dry-tensile strength.
Superior quality wet strength papers may retain as much as 50 percent or more dry strength .