Essays about: "Isocyanates"

Found 2 essays containing the word Isocyanates.

  1. 1. Isocyanates formation from thermal degradation of polyurethane foam during welding of district heating pipes

    University essay from KTH/Ergonomi

    Author : Muhammad Akram; [2023]
    Keywords : Polyurethane; Isocyanates; District Heating Pipes; Oxy-fuel Welding; Manual Metal Arc Welding;

    Abstract : Polyurethane insulation foam, which is used as insulation on district heating steel and copper pipes, is made from polymerisation of polyol and diisocyanates monomers. Installation of new district heating pipes or replacement of old pipes involves masses of welding activities. READ MORE

  2. 2. Isocyanate-free polyurethane from cyclic carbonates : Synthesis, application and evaluation

    University essay from Lunds universitet/Centrum för analys och syntes

    Author : Christoffer Wallerek; [2016]
    Keywords : Isocyanate; polyurethane; cyclic; carbonate; NIPU; polymer; PU; polymer technology; Technology and Engineering; Chemistry;

    Abstract : Polyurethane is a widely used polymer with a lot of different applications due to its versatility and often resilient properties. The polymeris often prepared as a two component system consisting of polyols and isocyanates and can be cured at relatively low temperatures. READ MORE