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PPG is used in many polyurethane formulations. [7] [8] Synthesis of waterborne polymers has been a feature with this substance. [9] As the basic building block is propylene oxide, there are 3 carbons per oxygen on the backbone. This confers some degree of water miscibility though not as good as ethylene oxide based molecules. [10]
Industrial Insulation. Rigid polyurethane foam is used in various industries to provide thermal insulation to installations and pipes. In particular, the piping for district heating systems in Europe is primarily insulated using a pre-insulated pipes sandwich assembly composed of a steel heat service pipe, an insulating layer (polyurethane foam) and a polyethylene (PE) casing, which are bonded ...
PPG Industries, Inc. is an American Fortune 500 company and global supplier of paints, coatings, and specialty materials. With headquarters in Pittsburgh, ...
This is of particular interest in the area of polyurethane coatings, where light stability is a critical factor and is the main reason that aliphatic isocyanates are used in making polyurethane coatings. When PU foam, which is made using aromatic isocyanates, is exposed to visible light, it discolors, turning from off-white to yellow to reddish ...
[16] [17] As an example, polyurethane foam is a big user of polyether polyols. [18] Polyester polyols can be used to produce rigid foam. [19] [20] They are available in both aromatic and aliphatic versions. [21] [22] They are also available in mixed aliphatic-aromatic versions often made from recycled raw materials, typically polyethylene ...
PPG Industries, a U.S. manufacturer, formerly known as Pittsburgh Plate Glass PPG Place, its office complex; Polypropylene glycol, a polymer; Post-prandial glucose, a measure of blood sugar after a meal; Pounds per gallon, a measure of density, typically of a fluid. It is common in the oil industry, especially as a unit for Mud weight.
Propylene glycol (IUPAC name: propane-1,2-diol) is a viscous, colorless liquid.It is almost odorless and has a faintly sweet taste. Its chemical formula is CH 3 CH(OH)CH 2 OH. . As it contains two alcohol groups, it is classified as a d
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