Optical brighteners, particularly EBF (Ethylene Bis Stearamide), play a crucial role in various industries, including textiles, paper, and plastics. In China, the demand for these compounds has surged due to their ability to enhance the brightness and whiteness of products. Understanding EBF’s applications and benefits is essential for manufacturers aiming to improve product quality and meet consumer expectations.

This guide delves into the properties, applications, and market trends of optical brightener EBF in China. Readers will gain insights into its chemical composition, how it interacts with different materials, and its environmental impact. Additionally, we will explore the regulatory landscape and the future outlook for EBF in the Chinese market.

By the end of this guide, readers will be equipped with comprehensive knowledge about EBF, enabling them to make informed decisions regarding its use in their respective industries. Whether you are a manufacturer, supplier, or researcher, this information will be invaluable in navigating the complexities of optical brighteners in China.

Comprehensive Guide to Optical Brightener EBF

Optical brighteners, also known as fluorescent whitening agents, are chemical compounds that enhance the brightness of materials by absorbing ultraviolet light and re-emitting it as visible blue light. This guide focuses on Optical Brightener EBF, a widely used agent in various industries, particularly in plastics, textiles, and coatings. We will explore its technical features, types, applications, and more.

Technical Features of Optical Brightener EBF

Optical Brightener EBF, also known as Fluorescent Brightener 185, is a benzoxazole derivative with the following technical specifications:

Feature	Specification
CAS Number	12224-41-8
Chemical Formula	C18H10N2O2S
Molecular Weight	318.35
Appearance	Light yellow crystalline powder
Melting Point	216-220°C
Active Content	≥ 98%
Solubility	Insoluble in water, soluble in organic solvents and concentrated acids
Ionicity	Non-ionic
Light Fastness	Excellent (7-8 grades)
Stability	Good stability to acid/alkali, hard water, and peroxide

These features make Optical Brightener EBF suitable for various applications, particularly in the textile and plastic industries.

Types of Optical Brighteners

Optical brighteners can be categorized based on their chemical structure and application. Below is a comparison of different types of optical brighteners, including EBF:

Type	Chemical Structure	Applications
Optical Brightener EBF	Benzoxazole derivative	Plastics, textiles, coatings
Optical Brightener OB	Stilbene derivative	Detergents, paper, plastics
Optical Brightener OB-1	Benzoxazole derivative	Textiles, plastics, coatings
Optical Brightener KCB	Benzimidazole derivative	Plastics, rubber, coatings
Optical Brightener FP-127	Benzoxazole derivative	Textiles, paper, plastics

Each type has unique properties that make it suitable for specific applications, allowing manufacturers to choose the right brightener for their needs.

Applications of Optical Brightener EBF

Optical Brightener EBF is primarily used in the following applications:

Plastics: It enhances the brightness of polyolefin plastics, ABS engineering plastics, and polymethyl methacrylate (PMMA).
Textiles: EBF is effective in whitening polyester and blended fabrics, making it a popular choice in the textile industry.
Coatings: It is used in coatings to improve the brightness and visual appeal of the final product.

The versatility of Optical Brightener EBF makes it a valuable component in various manufacturing processes.

Advantages of Using Optical Brightener EBF

High Efficiency: EBF provides excellent whitening effects even at low concentrations, making it cost-effective.
Stability: It exhibits good stability in various conditions, including exposure to light, heat, and chemicals.
Non-toxic: EBF is considered safe for use in consumer products, aligning with environmental and health regulations.

These advantages contribute to the growing demand for Optical Brightener EBF in multiple industries.

Conclusion

Optical Brightener EBF is a crucial component in enhancing the brightness of various materials, particularly in the plastics and textile industries. Its technical features, versatility, and advantages make it a preferred choice among manufacturers. As industries continue to seek ways to improve product quality and aesthetics, the demand for optical brighteners like EBF is expected to rise.

For more information on Optical Brightener EBF and its applications, you can explore resources from companies like Shandong Grand Chemical Co., Ltd., Sinocure Chemical Group, Qingdao Sanhuan Colorchem Co., Ltd., and Shanghai Harvest Chemical Industrial Co., Ltd..

FAQs

1. What is Optical Brightener EBF used for?
Optical Brightener EBF is primarily used for whitening and brightening plastics, textiles, and coatings.

2. Is Optical Brightener EBF safe for use?
Yes, EBF is considered safe for use in consumer products and complies with health and environmental regulations.

3. How does Optical Brightener EBF work?
It absorbs ultraviolet light and re-emits it as visible blue light, enhancing the brightness of materials.

4. What are the advantages of using Optical Brightener EBF?
EBF offers high efficiency, stability under various conditions, and is non-toxic, making it cost-effective and safe.

5. Where can I find Optical Brightener EBF?
You can find Optical Brightener EBF from manufacturers like Shandong Grand Chemical Co., Ltd., Sinocure Chemical Group, and others.