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.
Related Tags. Andrea McArdle was born in Philadelphia. While studying dance as a child, she was spotted by a talent agent who got her work in a number of television commercials. This led to McArdle's two-and-a-half year stint on the soap opera Search for Tomorrow. She also appeared on Al Alberts' Showcase, a local televised talent show in Philadelphia.