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2 446 178

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(51)

IPC

C08F120/14(2006-01-01)

B01J31/22(2006-01-01)

(21) (22)

Application

2010149929/04, 2010-12-07

(24)

Start date

2010-12-07

(22)

Actual filing date

2010-12-07

(45)

Published

2012-03-27

(72)

Inventor

Islamova Regina MaratovnaGolovochesova Olesja IvanovnaNazarova Svetlana Valer'EvnaMonakov Jurij BorisovichKiskin Mikhail AleksandrovichEremenko Igor' Leonidovich

(73)

Holder

Uchrezhdenie Rossijskoj Akademii Nauk Institut Obshchej I Neorganicheskoj Khimii Im. N.S. Kurnakova Ran Ran)Uchrezhdenie Rossijskoj Akademii Nauk Institut Organicheskoj Khimii Ufimskogo Nauchnogo Tsentra Ran Unts Ran)

METHOD OF OBTAINING POLYMETHYLMETHACRYLATE Russian patent published in 2012 - IPC C08F120/14 B01J31/22

Abstract RU 2446178 C1

FIELD: chemistry.

SUBSTANCE: present invention relates to method of producing polymethylmethacrylate. Described is a method of producing polymethylmethacrylate through radical polymerisation in methylmethacrylate mass in the presence of a initiating system, one of the components of which is benzoyl peroxide or azodiisobutyronitrile, characterised by that the second component of the initiating system used is a complex of iron (III) pivalate-anion oxotris(aquo)hexakis(pivalato)triiron(III)-cation ethanol solvate, [Fe₃O(OOCCMe₃)₆(H₂O)₃]⁺(OOCCMe₃)^-·3EtOH, molar ratio real initiator: iron (III) complex is equal to (1.0):(0.1-5.0), and polymerisation is carried out at 30-90°C.

EFFECT: obtaining polymethylmethacrylate with improved characteristics, specifically controlled molecular weight, low polydispersity and high heat resistance.

1 cl, 1 tbl, 1 dwg, 4 ex

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RU 2 446 178 C1

Authors

Islamova Regina Maratovna

Golovochesova Olesja Ivanovna

Nazarova Svetlana Valer'Evna

Monakov Jurij Borisovich

Kiskin Mikhail Aleksandrovich

Eremenko Igor' Leonidovich

Dates

2012-03-27—Published

2010-12-07—Filed