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Properties of Paper, (Paper Properties)

This page contains various properties of paper, how these properties are measured and how are they relevant to end user and/or papermaker. Under TAPPI standard all tests are carried out at 23 0 C ± 1 0 C and 50 + 2% relative humidity. Click here for a List of Paper Testing Service Provider and Testing Equipment Manufacturers

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Grades of Paper

A light-weight paper, generally waxed for wrapping candy kisses, taffy, etc. Canvas Paper Embossed paper with a surface appearance of canvas cloth. Car Liner Paper A heavy paper or paperboard made from kraft pulp or waste paper stock. Used for lining ...

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Chlorine dioxide bleaching | pulp paper mill

 · Chlorine dioxide is an oxidizing agent for pulp bleaching. The chemical formula of this chlorine dioxide bleach is ClO 2.It is a yellowish-green gas, bad odor and liquefied in 11⁰C which is red in color. It is an ECF (elemental chlorine-free) bleaching process which is currently most important bleaching technology in worldwide, especially for sulfate pulp.

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Surface chemistry of paper

In sizing, the strength and printability of paper is increased.Sizing also improves the hydrophilic character, liquid spreading, and affinity for ink. Starch is the most common sizing agent. Cationic starch and hydrophilic agents are also applied, including alkenyl succinic anhydride (ASA) and alkyl ketene dimers (AKD). ...

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(PDF) HEALTH HAZARDS OF PULP AND PAPER …

In the paper and paper board mills, the raw material used fo r the manufacture of paper and paper boards are old news papers, manifold white ledger, coated book stock, sorted office pap ers etc.

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Anaerobic digestion of pulp and paper mill wastewater …

 · Mill wastewater streams can vary largely between different mills, within a mill, and also on a day-to-day basis, depending on the mill process complexity and the raw materials used. In general, effluents containing relatively high COD concentrations (>1 g L −1 ) and relatively low concentrations of inhibitory or toxic compounds are suitable for anaerobic treatment ( Hall and Cornacchio, 1988 ).

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How to Make Paper : 15 Steps (with Pictures)

How to Make Paper: There are several Instructables about making paper from recycled fibres. That is a fine activity, and one which kept me gainfully employed for four years. When I worked in a papermill, even though we were an entirely machine-made mill, most of

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Glossary

1. "Internal" sizing is treatment of the fiber slurry so that the paper will resist fluids. 2. "Surface sizing" is addition of a film of starch solution or other material at the paper surface. Slime A slippery deposit composed of bacteria or fungal cells

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China Surface Sizing Agent manufacturer, Papermaking …

China Surface Sizing Agent supplier, Papermaking Defoamer, Polymer Emulsifier Manufacturers/ Suppliers - Qingzhou Jinhao Industry and Trade Co., Ltd. Qingzhou jinhao industry and trade Co., Ltd. (formerly qingzhou jinhao chemical Co., Ltd. ) is located in the ...

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Maria von Bahr's research works | YKI Institute for Surface …

Waxes are traditionally employed in paper production as sizing agents. With the most common sizing agent used (AKD), it is possible to achieve θCA < 120°only [129, 130].

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Paper Making Glossary: Your Guide to Paper Terminology

Term applied to paper that has been sized by applying a sizing agent when the web of paper is partially dry. Purpose is to increase resistance to ink penetration. Surface Texture The relative roughness, smoothness or unevenness of the paper surface. Surprint ...

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China The Edge Agents, China The Edge Agents …

Acrylic Latex for Paper / Paper Surface Sizing Agent SHANDONG HANSHIFU NEW MATERIALS CO., LTD. US $200-400 / Tonne 100 Tonnes (Min. Order) ...

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How To Make A Paper? (Chemists' Recipe)

In unsized paper, an extensive spreading and water penetration, but with introducing the hydrophobic group (increase sizing) it reduces wetting to make a sharper image on the paper. Sizing One of the common compounds that is used in sizing is rosin (pine rosin) where the carboxylic acid group is bound to hydrophilic cellulose surface by ionic interaction with help of Al 3+ .

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AKD sizing efficiency of paper filled with CaCO3 from the …

AKD Sizing Efficiency of Paper Filled with CaCO 3 from the Kraft Causticizing Process Jian Wang, a,b, * Ling Liu, a Zhijie Wang, a and Yongjian Xu a Causticizing calcium carbonate (CCC), known as lime mud, is a by-product of the papermaking industry that comes from the green liquor causticizing process.

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