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In step-growth polymerization , the Carothers equation ( or Carothers ' equation ) gives the degree of polymerization , Xn , for a given fractional monomer conversion , p. There are several versions of this equation , proposed by Wallace Carothers who invented nylon in 1935 .
 Carothers, Carothers, Wallace Carothers
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Answer:
 Carothers, Carothers, Wallace Carothers