Adhesives | Covestro AG
Our broad selection of high-performance polyurethane raw materials for superior adhesives can improve the sustainability of your products and optimize your production processes thanks to faster curing times.
Isocyanates and Polyols
BASF PU basic products like Isocyanates and Polyols are manufactured in production sites and world scale plants in Asia, Europe and North America. State-of-the-art-technology results in constant, consistent and reliable product quality and product supply. TDI, MDI and Polyols are the basic materials for the production of polyurethanes.
Plasticizers: Types, Uses, Classification, Selection & Regulation
It is almost colorless and odorless oily liquid. It is very slightly soluble in water but soluble in alcohols, hexane etc. while miscible and compatible with all the monomeric plasticizers used in PVC compounding. Melting point: 43°C (45°F; 230 K) Boiling point: 244-252°C at 0.7 kPa.
Innovative Raw Materials for Polyurethane Adhesives and Sealants
The reduction of plastics in the environment. In response, sustainability has become a key corporate goal for virtually every major polyurethane raw material supplier. Meanwhile, consumers are demanding improved performance in the polyurethane adhesive and sealant products that they use every day. Polyurethane scientists are being challenged to
Polyurethane
This chemical variety produces polyurethanes with different chemical structures leading to many different applications. These include rigid and flexible foams, varnishes and coatings, adhesives, electrical pottingcompounds, and fibers such as spandexand polyurethane laminate(PUL).
- Why do you need a plasticizer for polyurethane?
- Our plasticizers help regulate the properties in polyurethane, making polyurethane more more pliable and easy to extrude so it can be used in many more applications. SANFLEX LBU-25 is an urethane modified polyether type plasticizer with excellent blooming out resistance.
- Which plasticizers are used for polyurethane based sealants?
- SANFLEX products are widely used as plasticizers for polyurethane-based sealants. Plasticizers are used in many products. And Sanyo Chemical America plasticizers are making polyurethane more versatile. Sanyo Chemical America makes a variety of plasticizers with an excellent anti-migration property.
- Which Eastman plasticizer is best for polyurethane?
- Eastman plasticizers Benzoflex™ 9-88 SG and Benzoflex™ 352 excel in improving performance in polyurethane and other polymer systems as they interact with the polymer matrix. Benzoflex™ 352 is a cyclohexanedimethanol (CHDM) dibenzoate plasticizer commonly used in a variety of hot-melt adhesive applications, based on a variety of polymer bases.
- Can polyurethane plasticizer be used for printing ink?
- The results indicated that polyurethane plasticizer were prepared successfully by the partial substitution of petroleum polyols with vegetables oil polyols, castor oil and palm olien, given a very comparable mechanical, optical, thermal and freeze properties. Table 5. Properties of printing inks with standard and prepared polyurethane plasticizer.
- What is polyurethane (PU)?
- Polyurethane (PU) is a polymeric material that has versatile processing methods and mechanical properties. By proper selection of reactants, the resulting PU can range from flexible elastomers to high modulus plastics .
- What is flexible polyurethane used for?
- Flexible polyurethanes can be used in sealant, automotive, 3D printing, aerospace, and other applications. Due to their polymer chemistry composition, polyurethanes often require a plasticizer additive to help the maker reach the desired end product.
