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Polypropylene glycol or polypropylene oxide is the polymer (or macromolecule) of propylene glycol. [1] Chemically it is a polyether, and, more generally speaking, it's a polyalkylene glycol (PAG) H S Code 3907.2000. The term polypropylene glycol or PPG is reserved for polymer of low- to medium-range molar mass when the nature of the end-group ...
PPG Industries, Inc. is an American Fortune 500 company and global supplier of paints, coatings, and specialty materials. With headquarters in Pittsburgh, Pennsylvania, PPG operates in more than 70 countries around the globe. By revenue it is the largest coatings company in the world followed by Sherwin-Williams. [2]
Industrially, propylene glycol is mainly produced from propylene oxide (for food-grade use). According to a 2018 source, 2.16 M tonnes are produced annually. Manufacturers use either non-catalytic high-temperature process at 200 °C (392 °F) to 220 °C (428 °F), or a catalytic method, which proceeds at 150 °C (302 °F) to 180 °C (356 °F) in the presence of ion exchange resin or a small ...
Founded on August 1, 1961, until August 31, 1964, the status of Teacher Training and Education Faculty of Hasanuddin University, based on Ministerial Decree No. PTIP. 30, 1964 Date of August 1, 1961. on 1 September 1964 until January 1965 the status of Yogyakarta branch Makassar Teachers' Training College, based on Ministerial Decree No. PTIP. 154 of 1965 Date 1 September 1965. as well as at 5 ...
Photolabile protecting group. A photolabile protecting group ( PPG; also known as: photoremovable, photosensitive, or photocleavable protecting group) is a chemical modification to a molecule that can be removed with light. PPGs enable high degrees of chemoselectivity as they allow researchers to control spatial, temporal and concentration ...
Charles Bunch. Charles E. Bunch (born c. 1950) is an American businessman who served as the chairman and chief executive officer of PPG Industries, Inc., until succeeded by Michael H. McGarry on September 1, 2015. Since 2002, he had been a director and prior to becoming president and chief executive officer in March 2005 and chairman and chief ...
www .jpm .gov .my. The Prime Minister's Department ( Malay: Jabatan Perdana Menteri (JPM); Jawi: جابتن ڤردان منتري) is a federal government ministry in Malaysia. Its objective is "determining the services of all divisions are implemented according to policy, legislation / regulations and current guidelines". It is headed by the ...
The Pteridophyte Phylogeny Group ( PPG) is an informal international group of systematic botanists who collaborate to establish on the classification of pteridophytes ( lycophytes and ferns) that reflects knowledge about plant relationships discovered through phylogenetic studies. In 2016, the group published a classification for extant ...