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.
Annie is the mother of two sons, one of whom is married to the best daughter-in-law in the world. She lives in the Washington, D.C. area, where she has done technical writing for AHRQ, NIH, and SAMHSA as a contractor.