In the paper industry, potato starch is mainly used for four purposes: (1) gluing on the beater to coagulate the fibrous tissue before the thin paper is formed. (2) Glue the bucket, soak it in a thin glue solution, and pre form a thin paper. (3) Glue on the calender, polish and repair. (4) Surface gluing, as an optional step, is used for gluing high-grade smooth paper: starch and dextrin can also be used to combine and paste corrugated, wavy, and fiber bonded cardboard boxes,
Another type of starch product is to dry the steamed horse bells with starch milk in a drum dryer to form a paste, and then crush the paste into powder. This product is easily soluble in cold water and has achieved significant results in the gluing operation of the paper industry's beating machine. In the gluing operation of the beating machine, people prefer to use soluble horsebell starch or paste instead of products made from other starches, because soluble horsebell starch paste has great viscosity and cohesive strength to fibers. In addition, these characteristics rarely affect the addition of alum in the papermaking process. alum is the main auxiliary material in the papermaking process, and its acidity is detrimental to the characteristics of most other starch pastes.
In terms of gloss, potato starch has the same effect as wheat starch. For example, in the production of glossy paper for journals, potato starch powder is very beneficial for improving the coagulation strength of whitening and dead soil. It can be said that in terms of paper polishing, potato starch has largely replaced the method of casein.
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