FIELD: rigid pipes.
SUBSTANCE: multi-layered pipe comprises at least one layer made of propylene homopolymer having melting index ranging from 0.05 to 10 g/10 min at 230°C/2.16 kg or propylene block copolymers containing 90.0-99.9 % (in mass) of links of propylene and from 0.1 to 10.0 % (in mass) of links of α-olefins having 2 or 4-18 atoms of carbon with melting indices ranging from 0.05 to 15 g/10 min at 230°C/2.16 kg.
EFFECT: expanded functional capabilities.
12 cl
| Title | Year | Author | Number |
|---|---|---|---|
| INDUSTRIAL PIPING NETWORK MADE OF POLYOLEFINS | 2002 |
|
RU2282092C2 |
| PIPES MADE OF PROPYLENE-BASED POLYMERS FOR PIPELINES | 2002 |
|
RU2280656C2 |
| POLYPROPYLENE COMPOSITIONS, ESPECIALLY THOSE SUITABLE FOR MANUFACTURING TUBES | 2003 |
|
RU2312115C2 |
| PROPYLENE POLYMERS WITH IMPROVED PROPERTIES | 2002 |
|
RU2279444C2 |
| STEEL PIPES WITH THE POLYOLEFIN COATING | 2002 |
|
RU2279352C2 |
| PRESSURE PIPE | 2002 |
|
RU2310789C2 |
| POLYPROPYLENE MIXTURE FOR TUBES | 2012 |
|
RU2560723C1 |
| METHOD OF PRODUCING COLOURED POLYPROPYLENE COMPOSITION, HAVING HIGH CONTENT OF BETA-MODIFICATION | 2008 |
|
RU2452741C2 |
| B-NUCLEINATED POLYPROPYLENE COMPOSITION | 2008 |
|
RU2441890C2 |
| BETA-NUCLEATED PROPYLENE COPOLYMER | 2008 |
|
RU2451698C2 |
