3 edition of Chemical modification of papermaking fibers. found in the catalog.
Chemical modification of papermaking fibers.
Includes bibliographical references.
|Series||Fiber science series, v. 4|
|LC Classifications||TS1120 .W37|
|The Physical Object|
|Pagination||viii, 246 p.|
|Number of Pages||246|
|LC Control Number||72092665|
Modern paper that you are in contact with on daily basis is not made only from natural sources like wood, but also with many additives that are significantly altering its base recipe, durability and longevity. Find out here what chemicals can be found inside modern industrial made inside paper. After an introduction and brief history, the book explores the papermaking process, retention aids, temporary wet strength resins, wet strength resins, dry strength resins, internal sizing agents, creping adhesives and softeners, and chemicals for paper surface treatment. The book includes over references to facilitate further study.
These fibrils can be exposed by beating/ refining of fibers and provide very large area for bonding. The most important characteristic of fiber which make it suitable for papermaking is that cellulose fiber develop physical and chemical bonding with other fibers when it change from wet to dry condition. Purchase Principles of Tissue Engineering - 4th Edition. Print Book & E-Book. ISBN ,
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Chemical modification of papermaking fibers. New York, M. Dekker, (OCoLC) Online version: Ward, Kyle, Chemical modification of papermaking fibers. New York, M.
Dekker, (OCoLC) Document Type: Book: All Authors / Contributors: Kyle Ward. Chemical modification attempts. Fibre modification with chemicals or enzymes had been investigated in the production of fibreboards. Fibre modification applying steam (steam-exploded wood) has been proved an efficient pre-treatment method in producing thermoplastic composites.
Current theories for interfibre bonding during papermaking process are based on general recognition of the hydrogen. Chemical modification of lignocellulosic materials has been mainly aimed at wood, and there has been considerable research over a number of years that has been previously reviewed Chemical modification of papermaking fibers.
book,Hill,Hill, ). Most chemical modification methods of timber have been utilized in reactions with the hydroxyl (–OH) groups of the wood cell Cited by: 5.
The chemical modification of cellulose surface functional groups is mainly developed for the strong physical and chemical interactions with the desired components, thermal stability and rot. This chapter is devoted to the description of the wet-end additives used in papermaking. It describes the several families belonging to these chemical aids and their action mechanisms.
In the beginning of papermaking mostly fibres from cotton and silk were used. A notorious fibre that at one time was used for producing a specific papergrade was asbestos. Until the late sixties of the 20th century this cancer causing fibre was used to produce asbestos paper.
Papermaking. Enzymatic modification of papermaking properties of chemical, mechanical, and recycled pulps has been widely studied during the past decades.
The main aims have been to improve the strength properties of fibers through increased fibrillation or to affect the amount of fines in pulp to increase the drainage or water retention of pulp. WSW has been making quality handmade papers since Our Papermaking studio is designed for sheet-forming processes, low relief, and three-dimensional work.
InWSW began the ArtFarm program, which allows us to grow our own fibers for hand papermaking. Through ArtFarm we’ve now tested over one hundred native and invasive species for. The following article highlights the importance of an indispensable process in cellulose fibers (UFC) modification which may change the biopolymer properties—drying.
The reader is provided with a broad range of information considering the drying process consequences on the chemical treatment of the cellulose. This research underlines the importance of UFC moisture content reduction Cited by: 1. Natural Dyes and Papermaking. These natural dye experiments started with standing in line at the store, my cart overflowing with stainless steel pots, the woman behind me chuckling, “Looks like someone’s doing some cooking!” I smiled and replied that, yes, I had a lot of cooking ahead of me.
In order to prevent the fibres from flowing away with the removed water a special chemical, a retention aid, is used to bind the fibres to each other in the formed sheet. This chemical also increase dewatering speed and increases rentention of the filler in the forming sheet.
Most paper have a colour, even white papers are coloured. This book will focus on lignocellulosic fibres as a raw material for several applications. It will start with wood chemistry and morphology. Then, some fibre isolation processes will be given, before moving to composites, panel and paper manufacturing, characterization and aging.
The process of papermaking requires substantial amounts of energy and wood consumption, which contributes to larger environmental costs. In order to optimize the production of papermaking to suit Cited by: Suitable longitudinal distribution of fiber for papermaking industries is in the range of 0 to 4 mm.
Optimum enzyme concentration and treatment time for recycling cotton, lyocell, and viscose fibers are 2% and 48 h for cotton and lyocell and % and 48 h for viscose, by: 9.
Filaments and fibers are “one-dimensional” forms of thermoplasts, or, less often, of thermosets, elastoplasts, or elastomers. They are classified as natural or chemical fibers according to by: 1.
This paper reviews the physical and chemical characteristics of fibers from the stem, fronds, and empty fruit bunches of oil palm tree in relation to their papermaking properties. Challenges regarding the use of this nonwood material for papermaking are raised, and possible solutions to them are given.
THE three chemical processes and the groundwood process ac-count for the great bulk of papermaking fibers, but there are a number of other methods which are of interest for various reasons.
Some produce, by chemical treatment, fibers with special characteristics; some employ entirely different chemical reactions for pulping; and some have the.
Kozo is the most common of the Japanese papermaking fibers. It comes from the inner bark of shoots of the Kozo (Paper Mulberry) plant, which are harvested annually.
Kozo fiber has three layers of bark: the outer black bark, green bark, and the inner white layer. The first edition of this book was a great success and soon became established as one of the Bibles of the industry.
Its achievement then was to collect the considerable advances in understanding which had been made in the chemistry of papermaking in previous years, and provide, for the first time, a sound physico chemical basis of the subject.
There follows the two sections on the applications and finishes covering subjects to include among others synthetic and natural adhesives for wood fibers, chemical modification of solid wood, physical modification of cellulose, papermaking and wet end chemistry, rheology, paper winding and unwinding, calendaring of paper and boards.
Fillers for Papermaking: A Review of their Properties, Usage Practices, and their Mechanistic Role Martin A. Hubbe,*,a and Robert A. Gill b Issues of cost and product quality have caused papermakers to place increased attention on the use of mineral additives, which are the subject of this review article.
Read "Chemical Modification, Properties, and Usage of Lignin" by available from Rakuten Kobo. One of the most significant challenges facing mankind in the twenty-first century is the development of a sustainable gl Brand: Springer US.Here the Raw Materials or Cellulosic Raw Materials for papermaking are used interchangeably and only the Cellulosic Raw Material are discussed.
Cellulosic/fibrous raw material are broadly divided between wood and nonwood. Almost 90% of virgin fibers come from woody plants.