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Introduction to UV Absorbers and Their Applications

Introduction to UV Absorbers and Their Applications

Ultraviolet absorbers are a class of substances that can prevent the degradation of polymers caused by sunlight or other artificial ultraviolet light; they are a type of light stabilizer. The use of ultraviolet absorbers can effectively protect treated objects from, or at least mitigate, damage to their color. Since different types of polymers are susceptible to degradation at different ultraviolet wavelengths, various ultraviolet absorbers can absorb different wavelengths of ultraviolet light. Therefore, when selecting an ultraviolet absorber, it is essential to take into account the specific type of polymer involved.

25

2016

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03

Introduction to Wood UV Coatings and Their Applications

Introduction to Wood UV Coatings and Their Applications

Wood UV lacquer, also known as nitrocellulose lacquer, is a coating whose primary film-forming substance is nitrocellulose and which dries through natural evaporation. This type of coating offers significant advantages when used for finishing export furniture products and is highly favored by foreign buyers from Europe and the U.S. The key advantage of nitrocellulose lacquer lies in its rapid drying time—while conventional paints typically require 24 hours to dry, nitrocellulose lacquer can dry in just a dozen minutes or so. This dramatically boosts work efficiency and reduces costs.

21

2016

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03

Understand the easy-lighting characteristics of B-333 at a glance.

Understand the easy-lighting characteristics of B-333 at a glance.

18

2016

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03

Principle and Application of Polymerization Inhibitors

Principle and Application of Polymerization Inhibitors

In unsaturated compound systems, polymerization inhibitors can preferentially react with free radicals in the system, forming non-radical species or generating free radicals with low reactivity that are insufficient to initiate further polymerization. This effectively halts the chain-growth polymerization process involving free radicals, bringing significant benefits to the stability, storage, and transportation of resins.

14

2016

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03

Crosslinking Modification of Waterborne Polyurethane

Crosslinking Modification of Waterborne Polyurethane

The molecular chains of waterborne polyurethane resins typically have a linear structure or a small number of branched structures, and films without crosslinking exhibit relatively low strength. To enhance the water resistance, chemical resistance, high-temperature resistance, and mechanical properties of their cured films, it is necessary—during resin synthesis—to appropriately increase the degree of crosslinking, introduce certain crosslinkable functional groups, or add crosslinking agents, thereby ensuring sufficient crosslinking during film formation and creating either an interpenetrating network structure or a polymerized crosslinked system that meets various application requirements.

11

2016

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03

Overview and Applications of UV Metal Coatings

Overview and Applications of UV Metal Coatings

Metals are widely found in nature and are extremely common in everyday life; they are a class of materials that play a crucial and extensively utilized role in modern industry. Metals possess properties such as luster, ductility, and excellent conductivity of both electricity and heat.

08

2016

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03

A Brief Discussion on the Influence of Temperature on UV Resin Synthesis and Its Control

A Brief Discussion on the Influence of Temperature on UV Resin Synthesis and Its Control

Temperature is a physical quantity that indicates the degree of hotness or coldness of an object. On a microscopic level, it reflects the intensity of thermal motion of the object's molecules. The faster the molecules in an object move, the higher its temperature.

06

2016

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03

Silicone Performance and Applications

Silicone Performance and Applications

Organosilicon compounds, or organosilicon substances, are compounds that contain Si-O bonds and have at least one organic group directly bonded to a silicon atom. By convention, compounds in which organic groups are linked to silicon atoms via oxygen, sulfur, nitrogen, or other elements are also often classified as organosilicon compounds. Among these, polysiloxanes—polymeric compounds whose backbone consists of siloxane linkages (-Si-O-Si-)—represent the largest and most extensively studied and widely used class of organosilicon compounds, accounting for more than 90% of the total usage.

29

2016

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02

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