For hydroxypropyl methylcellulose (HPMC) products (METHOCELâ¢ E, F, J, and K brand products), propylene oxide is used in addition to methyl chloride to obtain hydroxypropyl substitution on the anhydroglucose units.or hydroxypropyl methylcellulose (HPMC) products (METHOCELâ¢ E, F, J, and K brand products), propylene oxide is used in addition to methyl chloride to obtain hydroxypropyl substitution on the anhydroglucose units.
Mr. Sandman by The Chordettes Songfacts. Mr. Sandman was written by song-writer Pat Ballard and first recorded by The Chordettes. It became the first hit for them, staying at #1 for an amazing seven weeks in 1954 and launching their career. The Chordettes eventually went on to peek into the Top-40 nine times total.
read more. Enter Sandman is a song by American metal band Metallica, featured as the opening track and lead single from their eponymous 1991 album. The song was produced by Bob Rock, and the music was written by Kirk Hammett, Lars Ulrich, and James Hetfield.