On Oct. 17 good news spread around Shenyang Chemical Co. Ltd. that invention patent NO. ZL 02132862.5---a copolymerization paste resin and its manufacturing method was granted Excellency Prize in the 15th Chinese Patent Prize, the highest level patent award in China.
Our company has introduced 10000 ton/year paste resin technology from Japanese Zhongyuan Chemical since 1983 and continuously improved and perfected process. Chlorine vinegar paste resin start with development research in 1994, and put into operation in 2002. The patent technology has two copolymerization methods including micro suspension and emulsion to produce chlorine vinegar paste resin with the quality up to world standard and technology leading the world, occupying the domestic market share of nearly 60%. At present paste resin in Shenyang Chemical has achieved 130000 tons, ranking fifth in the world, and it is unique Chinese Brand of its alike and “ National Customer Satisfaction Product”.
The company promotes innovation by its own research source. In the last few years it has successively developed another five paste resin types, which covers 10 patents and 8 new type practical patents. PVC paste resin specially used for plastic gloves which has output of 40000 tons annually fills domestic gaps and substitutes imported products so as to change the situation of abroad products high-price monopoly.
Continuous technical innovation lays strong foundation for technical upgrading of PVC paste resin patent. Currently, 23 patents including invention patents and practical new-type patents have been granted. Many patents won prizes including First Prize of Shenyang Science & Technology Award, Chinese Chemical Patent Prize and Second Prize of Liaoning Science & Technology Award, etc. Some products have become high-end type, filling domestic and abroad gaps.