Category Archives: Dry strength additives

Amphoteric Starch

Posted on March 26, 2013 by admin

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 →

Posted in Dry strength additives | Tagged , , | 1 Comment

Cationic starch

Posted on March 10, 2013 by admin

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 →

Posted in Dry strength additives | Tagged , , | 40 Comments

Maize starch

Posted on February 24, 2013 by admin

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 , , , | 3 Comments

Tapioca starch

Posted on February 22, 2013 by admin

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 →

Posted in Dry strength additives | Tagged , | 6 Comments

Starch

Posted on February 4, 2013 by admin

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 →

Posted in Dry strength additives | Tagged | 33 Comments

Dry strength additives

Posted on November 3, 2012 by admin

We meant by dry strength additives, a number of natural and synthetic polymers that are mixed in paper mill industry with the stock at the wet end to improve some properties of the dry paper. Normally dry strength additives are … Continue reading →

Posted in Dry strength additives | Tagged , | 1 Comment