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UV Varnish Performance Testing Items and Methods

UV Varnish Performance Testing Items and Methods

Testing the performance of UV varnishes is one of the crucial steps in the UV varnish production process. Conducting performance tests on UV varnishes ensures the quality and stability of their performance. The following are the UV varnish performance testing items and methods.

03

2014

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07

Evaluation and Quality Control of UV Resins

Evaluation and Quality Control of UV Resins

UV resin is an important polymer material widely used in fields such as printing, coatings, and adhesives. Quality control of UV resin is crucial to its application performance. This article will briefly introduce the evaluation methods and quality control measures for UV resin.

27

2014

/

06

How to Enhance the Adhesion of UV Coatings

How to Enhance the Adhesion of UV Coatings

The adhesion of UV coatings is a critical factor affecting their spray-coating quality. In practical applications, differences in substrate materials, variations in coating thickness, and factors such as the power of UV curing can all lead to insufficient bonding between the coating and the substrate, resulting in issues like paint chipping and failure to pass testing. To address these problems, it is possible to enhance the adhesion between the coating and the substrate through appropriate pre-treatment measures.

26

2014

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06

What should I do if UV resin/coating exhibits gelation? And what are the precautions to take?

What should I do if UV resin/coating exhibits gelation? And what are the precautions to take?

In the coatings industry, it’s common for some customers to report gelation issues with UV resins or UV coatings. There are multiple factors that can cause UV resin gelation, and when troubleshooting this problem, it’s important to systematically rule out each potential cause one by one. So, what should you do if your UV resin or UV coating experiences gelation? What precautions should you take? Let’s take a closer look at the causes of gelation below.

24

2014

/

06

Synthesis and Properties of Polyurethane Acrylate (PUA)

Synthesis and Properties of Polyurethane Acrylate (PUA)

Polyurethane acrylate (PUA) is an important material characterized by excellent surface gloss, hardness, adhesion, and flexibility, as well as outstanding resistance to yellowing. Its wide range of applications gives it promising market prospects and significant development potential.

23

2014

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06

Introduction to Epoxy Acrylate

Introduction to Epoxy Acrylate

Epoxycrylates (EA) are a class of prepolymers widely used in the UV-curing field. The following provides an introduction to several commonly used epoxycrylates (EA) in the UV-curing domain, covering their structure, properties, and applications.

19

2014

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06

Performance Testing and Evaluation of UV Coating Cured Films

Performance Testing and Evaluation of UV Coating Cured Films

Testing and evaluating the performance of UV-coating cured films is one of the crucial steps in the production process of UV coatings. Conducting these tests and evaluations on the cured films helps ensure the stability of the coating’s quality and performance.

18

2014

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06

Introduction to Low-Molecular-Weight Oligomers in Light-Curing Coatings

Introduction to Low-Molecular-Weight Oligomers in Light-Curing Coatings

Among the various components of UV-curable coatings, oligomers constitute the main body of the coating, and their properties essentially determine the key performance characteristics of the cured material. Therefore, the synthesis and selection of oligomers undoubtedly represent an important step in the formulation design of UV-curable coatings.

16

2014

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06

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