| 摘要 |
FIELD: polymer materials. ^ SUBSTANCE: invention provides polymer composition containing one or several halogenated thermoplastic polymers and being characterized by RMFI between 1.1 and 6, where RMFI is ratio of melt flow indexes MFI8/2 and MFI0.3/1 measured in accordance with standard ASTM D1238. Invention also discloses preparation method and use for these compositions. ^ EFFECT: enabled preparation of compositions exhibiting a rheological property (stretching viscosity), which is characterized by elevated resistance to deformation during foaming. ^ 14 cl, 2 dwg, 3 tbl, 8 ex |
