| abstract |
FIELD: chemistry. n SUBSTANCE: copolymer has a weight-average molecular weight (g/mol) of 10,000 to 400,000, a molecular weight distribution (Mw/Mn, PPD) of 2 to 30 and resistance to cracking under the influence of environmental factors (ESCR) of 400 hours to 3000 hours measured by the method of creep with full cut (FNCT) according to ISO 16770 at 4.0 MPa and 80°C. n EFFECT: invention makes it possible to obtain a copolymer having excellent technological properties and resistance to cracking under the influence of environmental factors. n 13 cl, 2 dwg, 4 tbl, 11 ex |