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At the beginning of November, the production technology of DQVL0810, a special material for very low density polyethylene heat shrinkable film independently developed by the Petrochemical Research Institute, was successfully applied for the first time in the industrial plant of 78,000 tons/year linear low density polyethylene in Daqing Petrochemical Plastics Plant
.
DQVL0810 is the first grade of very low density polyethylene resin (VLDPE) produced by metallocene gas phase process in China
.
DQVL0810 is the first grade of very low density polyethylene resin (VLDPE) produced by metallocene gas phase process in China
.
VLDPE products have the characteristics of good flexibility, wide temperature range, excellent puncture resistance and tear resistance, and are widely used in films, hoses, toughening and modification and other fields
.
However, there are many problems in the production of VLDPE products, and the products have always been dependent on imports
.
With the strong support of the Science and Technology Management Department and the Refining and Chemicals Branch, the Daqing Chemical Research Center of the Petrochemical Institute has concentrated its strengths to carry out project research, and has gradually formed a VLDPE product production technology with independent intellectual property rights, which has the conditions for industrial testing
.
On October 29, the device officially switched to DQVL0810
.