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Amphoteric Starch
Amphoteric starch is a modified starch that contains positively and negatively charged substituent groups. It is used as wet-end additives, surface sizing agent and coating agent in the paper mill industries. In the paper making process several materials are anionic … Continue reading
Cationic starch
Cationic starch is a modified starch. The cationic starches mainly used as wet-end starch. Although native starch can be used as wet-end starch, but cationic starches are more preferable. As the cationic starches are positively charged, they are easily attracted … Continue reading
Maize starch
Maize starch is also known as corn starch. Maize starch is most popular among the native starch. It contains low ash and low protein. In paper mill industries maize starch or corn starch used as wet end additives, tub sizing … Continue reading
Posted in Dry strength additives
Tagged corn starch, Dry strength additives, maize starch, native starch
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Tapioca starch
Tapioca starch is a native starch. The starches which are produce in Tropical countries-such as Brazil, Nigeria, Indonesia, West Africa and Thailand are called tapioca starches. The most common tapioca starch is Cassava starch. Other tapioca starches are arrowroot, sweet … Continue reading
Starch
What is Starch Starch is a natural carbohydrate polymer. The molecular formulae of starch is (C6H10O5)n. Mainly starch is used in paper mill to improve dry strength and surface. Its molecular weight is very high. Native starch has a very … Continue reading
Sizing Agents
Sizing agents are applied into the paper to impart certain desirable qualities. The main function of sizing agent is to increase the resistance to penetration of water or other liquids into the paper so that the paper is suitable for … Continue reading
Talc
What is Talc Talc is well-known as talcum powder. It is a natural hydrated magnesium silicate – H2Mg3(SiO3)4. Talc is a soft, low abrasive, flat-like particle, chemically inert and organophilic material. These are reason why many paper mill use this … Continue reading
Calcium Carbonate
Calcium carbonate is used in paper mill as a filler material in the alkaline papermaking process. Now a days Calcium carbonate dominant over other papermaking filler materials; though at the first stage of papermaking kaolin was 1st choice. The main … Continue reading
Slimicides
Slimicide or antislime agent is a substance which is used as antimicrobial agents to kill slime-producing microorganisms in the papermaking process such as bacteria, slime, fungi and algae. It helps reducing production costs due to occasional breaks and shuts which … Continue reading
Specification of antislime agent
Antislime agents or slimicides are used as a cost savings materials in paper mill. Antislime agents are available as powders and in liquid emulsion form. Every paper mill used Antislime agent depends on some criteria. Here I mention a specification … Continue reading
