W. R. Grace & Co., an independent supplier of polyolefin catalyst technology, polypropylene (PP) process technology, and technology services, has announced the successful start-up of two 400 KTA UNIPOL® PP process technology lines at Oriental Energy in Ningbo, China. This brings the total UNIPOL PP operating capacity in China to more than 6.3 million tpy in the last 12 years, to produce homopolymer, random and impact copolymers to serve the growing market for high performance plastics in China. It is expected that another 2 million tpy will come on stream in the next few years from UNIPOL PP technology in…