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.
Piper Perabo. Piper Lisa Perabo (born October 31, 1976) is an American film and television actress. She may be best known for playing CIA Agent Annie Walker on the spy drama series Covert Affairs, which ran on the USA Network for five seasons between 2010 and 2014.