The process, composition and product quu00ecmico lu00ecquida chemistry going on for the retention and drainage of the stock in the manufacture of paper, cardboard, cardboard and other similar products.

摘要

"The process, composition and product quu00ecmico lu00ecquida chemistry going on for the retention and drainage of the stock in the manufacture of paper, cardboard, cardboard and other similar products.The present invention relates to a process for the manufacture of paper, cardboard, cardboard and similar products (such as cellulose, fiber cement, etc.), in which, at different points of the wet end of the machine, a liquid smectite, concentrated, intensified (avoiding, the same, the need for a unit of preparation on the site)And a natural polymer or synthetic, are added.These agents of retention and drainage may be added in any order, thus improving the retention, drainage, formation and drying.Without affecting the whiteness and enhancing the physical values of the paper, cardboard, cardboard and other similar products.The present invention provides even chemical composition liquid and chemicals with the properties of retention and drainage.