Polypropylene (PP) plastic—known for its low density, lightweight nature, and versatility—is widely used across industries such as packaging, fibers, and plastic weaving. However, many manufacturers face a common challenge: poor whiteness in...

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The secret to maintaining the whiteness and brightness of PVC flooring lies in the use of optical brighteners—a crucial additive that keeps floors looking new, clean, and vibrant for years.

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PP woven bags are an essential part of daily life, widely used for packaging in agriculture, construction, and industrial applications. Manufacturers constantly seek to enhance their whiteness, brightness, and durability to improve...

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UV varnishes are widely used in coatings, printing, and packaging to create bright, glossy finishes and protect surfaces. They are primarily composed of UV-curable resins, reactive diluents, photoinitiators, and various performance additives....

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In today’s highly competitive plastics industry, cost reduction and sustainability are top priorities. To stay profitable and eco-friendly, many manufacturers turn to recycled plastics for reprocessing. This process—commonly known as plastic granulation—involves...

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Blown film is a widely used plastic manufacturing process in which polymers are extruded into tubular preforms and then inflated with high-pressure air under controlled melt flow conditions. Once cooled and set,...

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Introduction Polyester inherently possesses a certain degree of natural whiteness. However, to meet modern market demands for brighter, purer, and tone-specific whites, it must be treated with fluorescent...

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Introduction In the world of color and materials science, fluorescent brighteners—also known as optical brightening agents (OBAs)—play a crucial role in creating the clean, bright white tones consumers...

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What Is the Synergistic Effect of Optical Brighteners? The synergistic effect of optical brighteners refers to the enhanced whitening performance achieved when two or more brighteners are combined. When...

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In recent years, China’s production and research of fluorescent brightener for polymers have developed rapidly. Currently, eight major varieties are in commercial production. These brighteners mainly fall into three structural categories:

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