Author Archives: Vichem
How to Prevent the Halo Effect in Coatings
The halo effect in coatings is one of the most common and frustrating defects. It appears as bright rings or uneven patches that make surfaces inconsistent. Fortunately, this problem can be avoided by following proper...
Read moreCauses of the Halo Effect in Coatings
In coating applications, people always expect a smooth, even, and glossy finish. Yet in reality, many surfaces show uneven hazy spots or light–dark patches. This is the sign of the halo effect. The defect not...
Read moreHow Do Biodegradable Plastics Decompose?
Amid the growing plastic pollution crisis, biodegradable bioplastics are considered a sustainable alternative. These materials decompose under the natural action of microorganisms, enzymes, temperature, and humidity. The process is not simply that plastics “disappear,” but...
Read moreIs Polyvinyl Alcohol Toxic? Safety Profile of PVA in Plastic Manufacturing
Polyvinyl Alcohol (PVA) is a widely used synthetic polymer with significant applications in the plastics industry. It is particularly valued for water-soluble films and as a binder. However, its safety profile is often a concern...
Read moreComparing ABS and PLA Plastics – A Guide to Selecting Additives for Plastic Manufacturing
In the plastics industry, ABS (Acrylonitrile Butadiene Styrene) and PLA (Polylactic Acid) are two widely used thermoplastic polymers. They are applied in 3D printing as well as in various industrial products. However, to optimize processing...
Read moreWhat is Polyurethane Resin? Properties and Applications
The chemical industry has created many useful polymers. Among them, Polyurethane resin, also known as PU, stands out as one of the most versatile materials. Not only mechanically strong, Polyurethane is also flexible and adaptable....
Read moreAnnouncement of National Day Holiday on September 2, 2025 – Vichem Joint Stock Company
Vichem Joint Stock Company hereby announces: We will temporarily cease operations from September 1 to the end of September 2, 2025, to commemorate the National Day. This is an opportunity for our valued customers to...
Read moreTop 5 Additives to Prevent Fading in Cotton Fabrics After Dyeing
Cotton fabrics are well known for comfort, softness, and breathability. However, they tend to fade quickly after dyeing, especially during washing or light exposure. This drawback lowers fabric value and shortens product lifespan. To overcome...
Read moreWater-Based Alkyd Resin vs. Solvent-Based Alkyd Resin
Alkyd resin is an essential raw material in paint and coating production. Currently, the market is divided into two main groups: water-based and solvent-based alkyd resins, each with distinct advantages, limitations, and applications. This article...
Read moreProperties of Plastic Materials in the Coatings Industry
In paint formulations, polymers, also known as binders, play a foundational role. They help form the paint film and determine most of the core characteristics of the product, such as durability, adhesion, and chemical resistance....
Read more
