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(19)

RU

(11)

2 813 479

(13)

C2

(51)

IPC

C08F10/02(2006-01-01)

C08L23/06(2006-01-01)

C08L23/08(2006-01-01)

C08J3/22(2006-01-01)

C08K5/103(2006-01-01)

C08K5/13(2006-01-01)

C08K5/38(2006-01-01)

C08K5/524(2006-01-01)

(21) (22)

Application

2021122440, 2020-04-21

(24)

Start date

2020-04-21

(22)

Actual filing date

2020-04-21

(45)

Published

2024-02-12

(72)

Inventor

Kamplain, Justin W.Lanier, Elizabeth M.

(73)

Holder

Chevron Phillips Chemical Company Lp

ADDITIVE SYSTEMS CONTAINING ANTIOXIDANT AND GLYCERINE STEARATE FOR IMPROVING COLOR OF POLYETHYLENE RESINS Russian patent published in 2024 - IPC C08F10/02 C08L23/06 C08L23/08 C08J3/22 C08K5/103 C08K5/13 C08K5/38 C08K5/524 

Abstract RU 2813479 C2

FIELD: chemistry.

SUBSTANCE: present invention relates to a colour-fast polymer composition, an article containing said composition, as well as a method of producing said composition, a method of improving the colour of the polymer composition, a masterbatch composition and a composition of a mixture of additives. Composition contains an ethylene polymer, 50–1500 mln-1 by weight of glycerol stearate and 250–7500 mln-1 by weight of an antioxidant containing phenol and phosphite antioxidants.

EFFECT: obtained polymer compositions have improved initial colour, improved colour after prolonged aging and/or improved colour after multipass extrusion treatment.

22 cl, 13 dwg, 1 tbl, 26 ex

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RU 2 813 479 C2

Authors

Kamplain, Justin W.

Lanier, Elizabeth M.

Dates

2024-02-12—Published

2020-04-21—Filed

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