Oxidized starch

Oxidized starch (CAS 65996-62-5) is a chemically modified starch produced by treating native starch with oxidizing agents to introduce carbonyl and carboxyl groups into the polymer chain.

The modification reduces viscosity, improves film-forming capacity, and increases paste clarity compared to native starch. These properties make it a functional binder and coating agent across paper, textile, food, and construction applications.

In paper manufacturing, it is applied at the size press or in surface coating formulations to improve paper smoothness, ink holdout, and surface strength. Textile mills use it as a warp sizing agent for efficient yarn coating.

Its lower viscosity at higher solids content allows for effective processing without excessive stiffening. In food production, it functions as a thickener and stabilizer in sauces, puddings, and various processed foods.

It is particularly useful where a clean, low-viscosity paste is required. Construction adhesives and gypsum board formulations incorporate it as a binder to control rheology and improve adhesion to mineral substrates.

The product is supplied as a white to off-white powder derived from corn, potato, tapioca, or wheat starch bases. Food-grade material is available meeting FCC specifications for global compliance.

Technical grades are supplied for industrial paper and textile applications. Degree of oxidation and viscosity grade vary by application, and suppliers typically offer multiple viscosity profiles to match specific process requirements.