FIELD: chemistry.
SUBSTANCE: invention relates to polyethylene terephthalate-based polymer compositions, which can be used in producing bottles, containers for different purposes, film articles and fibres. The polyethylene terephthalate-based polymer composition contains 3-10 wt % of polyhydroxyether with molecular weight of 25-35 thousand standard units.
EFFECT: invention increases melt flow index and lowers processing temperature, which reduces melt viscosity by 1,5-2,5 times and processing temperature by 20-25°C.
2 tbl, 7 ex
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|
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RU2610602C2 |
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|
RU2610771C2 |
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|
RU2770097C1 |
Authors
Dates
2015-06-10—Published
2013-08-06—Filed