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When was Polypropylene developed? What year did Manco start producing Polypropylene ropes?

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When was Polypropylene developed? What year did Manco start producing Polypropylene ropes?

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Production of polypropylene begun at the Montecatini Co., in Italy in 1951. Prof. Giulio Natta and Prof. Ziegler received the Nobel Prize for successfully controlling the molecular arrangements of olefins. In 1957, Hercules Powder Co. undertook the first commercial production of polypropylene resin in the United States. Subsequently, it manufactured PP fiber. Synthetic fibers were coming into prominence as raw material for cordage manufacture in the early 60s. By 1965, Manila Cordage Co. had completed the construction of a large and modern plant in Makati (a part of Metro Manila), from which site the company continues to operate. In 1967, Manila Cordage Co. began the production of PP ropes in such a magnitude as to gain prominence in this endeavor. Similarly, Manila Cordage Co. pioneered in the manufacture of large-sized ropes of up to 15″ circumference.

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