PVC was prepared through the French chemist Henri Victor Regnault in 1835 then with the German chemist Eugen Baumann in 1872, but it was not patented right up until 1912, when A further German chemist, Friedrich Heinrich August Klatte, utilized sunlight to initiate the polymerization of vinyl chloride. Industrial software https://trentongviuf.sunderwiki.com/1412401/the_5_second_trick_for_pvc