FIELD: manufacturing technology.
SUBSTANCE: invention relates to a multimodal ethylene copolymer composition for producing a cable shell with high flexibility. Composition contains in amount of not less than 80 wt% copolymer of ethylene and at least one comonomer C1-C10 alpha-olefin, and also has density from 920 to 949 kg/m3 and modulus of elasticity in bending, corresponding to equation: Modulus of elasticity at bending <21.35·density – 19,585.
EFFECT: disclosed composition enables to obtain material which combines high flexibility with high mechanical strength.
13 cl, 2 tbl, 4 ex
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Authors
Dates
2020-01-31—Published
2017-05-29—Filed