Polyurethane solutions from recycled raw materials | Dow
Dow introduces polyurethane solutions sourced from recycled raw material to its MobilityScience platform in collaboration with Adient and Autoneum. Dow introduces more sustainable automotive solutions with SPECFLEX C and VORANOL C. HORGEN, SWITZERLAND – June 23, 2025 – Dow (NYSE: DOW) today announces a mass-balance approach to the
Polyurethane
Polyurethane(/plijrθen,-jrθen/;[1]often abbreviated PURand PU) refers to a class of polymerscomposed of organicunits joined by carbamate(urethane) links. In contrast to other common polymers such as polyethyleneand polystyrene, polyurethane is produced from a wide range of starting materials.
Innovative Raw Materials for Polyurethane Adhesives and Sealants
High Strength Bonding of Croda Dimerized Fatty Acid Polyester Polyols to Plastic Substrates In the rapidly growing arena of self-healing polymers, Crodahas developed a sustainable, self-healing polyol, which when matched with the right polyisocyanate and properly formulated, provides self-healing performance in coating applications.
Desmophen | Polyols by Covestro | Covestro AG
Desmophen products are a versatile family of polyether polyols, which includes diols, triols and polymer polyols with molecular weights that vary from less than 300 to as much as 6,000 g/mol. They are used as polyol components for polyurethane and polyurea formulations.
Polyurethane Coatings: A Comprehensive Guide
High molecular weight linear polyurethanes are formed or dissolved in solvents. These PUs are obtained through reacting aromatic or aliphatic isocyanates (mainly MDI and IPDI) with: Polyester or polyether polyols, and Chain extenders
- What are the technical properties of polyurethane printing ink?
- The results indicated that the prepared printing inks from 50% synthesized polyurethane have high thermal stability, adhesion and excellent freeze resistance. The net technical properties of the new ink formulations are relatively comparable to the printing ink prepared from standard polyurethane plasticizer. 1. Introduction
- 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 .
- Why are polyurethanes so versatile?
- The versatility of polyurethanes lies in the ability to adjust their properties to suit specific needs by modifying the composition and processing conditions during synthesis.
- What is a polyurethane polymer?
- Polyurethanes (PU) are an inevitable class of versatile polymeric material comprising carbamate (urethane) organic units links. Polyurethane polymers are formed by reacting polyol with a di- or tri-isocyanate. They comprise of two kinds of monomers, which polymerize one after the other, are categorized under the alternating copolymers.
- What makes a good polyurethane?
- An ideal grade should also possess flame-retardant properties. Some studies have explored reducing flammability by introducing flame retardant groups into the polyurethanes. Phosphorylated polyols, for example, have exhibited potential in augmenting the flame-retardant characteristics of PU foams.
