FIELD: chemistry.
SUBSTANCE: composition comprises (A) the first composition comprising the first ethylene-based polymer and the second ethylene-based polymer, and (B) one or more azide compounds in an amount greater than or equal to 50 ppm based on the weight of the first composition. The ratio of the "melt index at high shear stress (I21) of the first composition" to the "melt index at high shear stress (I21) of the first ethylene-based polymer" is more than 40 or equal to 40.
EFFECT: compositions of the invention have improved processing characteristics and are particularly suitable for the use in the extrusion of high pressure pipes.
15 cl, 1 dwg, 9 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| RHEOLOGICALLY MODIFIED POLYETHYLENE COMPOSITIONS HAVING RELATIVELY HIGH MELT STRENGTH AND METHODS OF MAKING PIPES, FILMS, SHEETS AND ARTICLES MADE BY BLOW MOULDING | 2005 |
|
RU2405007C2 |
| POLYOLEFIN COMPOSITIONS, ARTICLES MADE THEREFROM AND PREPARATION METHODS THEREOF | 2007 |
|
RU2444546C2 |
| POLYETHYLENE COMPOSITIONS, PRODUCTION METHODS THEREOF AND ARTICLES MADE THEREFROM | 2007 |
|
RU2457224C2 |
| FILMS MADE FROM HETEROGENEOUS ETHYLENE/ALPHA-OLEFIN COPOLYMER | 2009 |
|
RU2519776C2 |
| WATER DISPERSIONS APPLIED ON GLASS-CONTAINING FIBRES AND GLASS-CONTAINING SUBSTRATES | 2007 |
|
RU2415010C2 |
| HIGH-DENSITY POLYETHYLENE COPOLYMER AND SYNTHESIS METHOD THEREOF | 2007 |
|
RU2434887C2 |
| COMPOSITIONS AND ARTICLES MADE THEREFROM | 2008 |
|
RU2487156C2 |
| METHOD FOR POLYMERISATION OF OLEFIN-BASED POLYMERS | 2008 |
|
RU2495055C2 |
| METHODS OF POLYMERIZATION FOR HIGHMOLECULAR WEIGHT POLYOLEPHINES | 2013 |
|
RU2643149C2 |
| BIMODAL POLYETHYLENE RESINS AND PIPES MADE THEREOF | 2019 |
|
RU2763740C1 |
