The first step in crosslinking process is generation. of free radicals, which can be through a chemical. reaction or radiation energy. Decomposition of. initiators which are normally peroxides, or high-. energy radiations abstracts hydrogen atom from the. backbone of polymer chain to produce free radicals.
Andrea McArdle. Andrea McArdle (born November 5, 1963) is an American singer and actress best known for originating the role of Annie in the Broadway musical Annie. Contents.
With music by Charles Strouse, lyrics by Martin Charnin, and a book by Thomas Meehan, Annie was nominated for 11 Tony Awards and won in seven categories including Best Musical. Its popular musical numbers include Tomorrow, Youâre Never Fully Dressed Without a Smile, and Hard Knock Life.