Adhesives and Sealants protective products
Adhesives and sealants are essential products in many industries. Their applications range from paper, packaging, wood and flooring adhesives to wind power and the automotive sector. In general, the main purpose of adhesives and sealants is bonding material in for example bathrooms, construction, home care & wood industry. When adhesives and sealants are used in outdoor environments, the effects of light can have adverse effects on both appearance and performance of the joint. For example, UV absorbers filter harmful UV light and helps prevent color change and delamination of coatings, adhesives and sealants.
UV Degradation
Degradation of UV light usually leads to one or both discoloration and reduction in strength and physical properties. Stabilizing additives such as Antioxidants, UV absorbers and Light Stabilizers contribute to create durable adhesives and sealants. This extends the service life of high-quality products and make an important contribution to sustainable products development. They also have a good repairability conditions in case of cracking.
Stabilizing additives
Additives for adhesives and sealants are mainly based on various petrochemical raw materials. However, this can also come from biobased sources such as Natural Rubber Latex. Natural rubber latex based adhesives are generally sold as solutions in a tackifier resin.
Antioxidants prevent thermally induced degradation of polymers in adhesives, sealants, and coatings during processing and under end-use conditions. Common used antioxidants are Omnistab AN 1010 & Omnistab AN 1076 with recommend dosage of 0.1 – 0.5%.
UV absorbers and Light Stabilizers protect against loss of mechanical properties and prevent color change. UV Absorbers will convert the absorber energy into harmless heat. Usually benzophenone UV absorbers to high-performing benzotriazoles will be used. Light stabilizers primarily acts on the oxygen exposed surface of an adhesive or sealant. The stabilization process provides long term protection and durability.
Types of adhesives and sealants
Protection against discoloration and long-term retention of adhesive properties are important requirements for most adhesive and sealant applications. In short, additives are important in the formulation of adhesives and sealants designed to be exposed to daylight.
To learn more about the use of additives in your application, let us know the type of application, polymer and type of adhesive & sealant.
- Hot melt
- Water based adhesive
- Solvent based adhesive
- Reactive adhesive
- Silicone
If you have a question related to this article or you require information about our products. For instance, a problem that you do not know how to solve or a specific issue, we are here for you. We will reply you by email as soon as possible. If you prefer to contact by phone, please leave your phone number or call us directly: +31302331324.
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