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| Customization: | Available |
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| CAS No.: | 65996-62-5 |
| Formula: | C4h10o4 |
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Industrial Applications of Key Modified Starches(Manufacturer) for Global Markets
Classified as a safe, eco-friendly functional additive, oxidized starch is generally recognized as a low-viscosity, high-concentration thickener with outstanding comprehensive properties: it has a significantly reduced gelatinization temperature compared with native starch, along with much higher thermal stability of hot paste, pure white appearance, transparent paste solution, excellent film-forming performance and good freeze-thaw resistance. It also features high water dispersibility, forming uniform colloidal solutions rapidly in water, and the dried film formed from its paste is tough, flexible and less prone to aging or retrogradation.
As a multi-purpose modified starch material, oxidized starch has obtained global regulatory approval for industrial and food-grade applications. Food-grade oxidized starch (coded E1404 in EU food additive system) uses only sodium hypochlorite as the allowed oxidant, with strict limits on carboxyl group content to ensure food safety, while industrial-grade oxidized starch is widely adopted as a cost-effective binder, sizing agent, stabilizer and texture regulator across paper making, textile, fine chemical and food processing industries.
As a professional modified starch manufacturer dedicated to providing high-quality, eco-friendly starch derivatives for global industrial clients, we specialize in the production of acid-treated starch, phosphate ester starch, and acetate starch. These three modified starch products are widely recognized across multiple industrial sectors for their optimized performance, biodegradability, and cost-effectiveness, making them ideal choices for enterprises seeking sustainable and high-performance raw materials.
Acid-treated starch is produced by subjecting native starch to mild acid hydrolysis under controlled temperature conditions. This process reduces the molecular weight of starch granules while preserving the basic granular structure, endowing the product with lower hot viscosity, higher fluidity, and excellent film-forming properties after gelatinization.
In the paper manufacturing industry, acid-treated starch serves as a critical surface sizing agent and internal additive. It significantly enhances the surface strength, tensile resistance, and folding endurance of paper products, effectively reducing paper dust and lint during the printing process, thus improving the overall printing adaptability of packaging paper, cultural paper, and corrugated board.
In the textile industry, it acts as a high-quality sizing agent for cotton, synthetic fibers, and blended yarns. It forms a tough and flexible protective film on the surface of yarns, reducing breakage rates during high-speed weaving and lowering the production cost of textile enterprises.
Additionally, acid-treated starch is widely used in the casting industry as a binder for sand molds. Its good fluidity after gelatinization helps the sand molds obtain uniform strength and easy demolding performance, ensuring the high precision of castings.
Phosphate ester starch is obtained by esterification reaction between starch and phosphate reagents. This modification introduces phosphate groups into the starch molecular chain, giving the product excellent cold water solubility, high viscosity stability, strong emulsifying capacity, and outstanding freeze-thaw resistance.
In the petroleum drilling industry, phosphate ester starch is an essential additive for drilling fluids. It can effectively regulate the rheological properties of drilling mud, reduce fluid loss, form a dense and low-permeability filter cake on the wellbore wall, prevent wellbore collapse, and ensure the smooth progress of deep and ultra-deep well drilling operations.
In the construction materials industry, it is used as a water-retaining agent and thickener in dry-mix mortars, putty powders, and tile adhesives. It can significantly improve the water retention performance of cement-based materials, prolong the open time of construction, avoid the rapid loss of moisture, and ensure the uniform hydration and solidification of cement, thus enhancing the bonding strength and construction performance of building materials.
Moreover, phosphate ester starch is also widely applied in the coating and adhesive industries. As a protective colloid and emulsifier, it improves the storage stability of water-based coatings, enhances the bonding strength of adhesives for paper products, packaging materials, and wood products, and reduces the dependence of formulations on non-environmental chemical raw materials.
Acetate starch, also known as starch acetate, is formed by introducing acetyl groups into starch molecules through esterification reaction. According to different degrees of substitution (DS), it can present different properties ranging from hydrophilicity to hydrophobicity and thermoplasticity. Low-DS acetate starch has excellent paste clarity, freeze-thaw stability, and texture-improving properties, while high-DS products show good solubility in organic solvents and outstanding thermoplastic processability.
In the biodegradable packaging industry, high-DS acetate starch is a core raw material for producing fully biodegradable packaging films, food containers, and shock-absorbing cushioning materials. It can be processed through thermoplastic methods similar to traditional plastics, and it can be completely degraded in the natural environment after being discarded, effectively reducing white pollution.
In the pharmaceutical industry, it is widely used as a tablet binder and disintegrant. It can improve the molding performance of tablets, make the drug components distributed more uniformly, and accelerate the disintegration and dissolution rate of tablets in the human body, ensuring the stable release of drug efficacy.
In cigarette filter and textile coating industries, acetate starch is used as a high-performance coating and molding material. Its good air permeability, flexibility, and non-toxic properties make it an ideal eco-friendly substitute for traditional synthetic polymer materials, meeting the global market's growing demand for low-carbon and sustainable industrial products.
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