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2 285 705

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IPC

C08J11/04(2006-01-01)

C08G63/49(2006-01-01)

C09D167/08(2006-01-01)

(21) (22)

Application

2005117785/04, 2005-06-09

(24)

Start date

2005-06-09

(22)

Actual filing date

2005-06-09

(45)

Published

2006-10-20

(72)

Inventor

Tsejtlin Genrikh MarkovichKazakova Ekaterina Evgen'EvnaKazennov Igor' ViktorovichUtrobin Andrej NikolaevichKobzev Jurij PetrovichKlubnikin Mikhail Vasil'Evich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD FOR PREPARING ALKYD OLIGOMERS AND ALKYD LACQUER CONTAINING ALKYD OLIGOMER Russian patent published in 2006 - IPC C08J11/04 C08G63/49 C09D167/08

Abstract RU 2285705 C1

FIELD: chemistry of polymers, chemical technology.

SUBSTANCE: invention relates to a method for synthesis of oligomers used in manufacturing paint and varnish materials by using polyethylene terephthalate waste. Invention proposes the re-esterification reaction (alcoholysis) of vegetable oils and milled polyethylene terephthalate waste with pentaerythritol for a single step at heating and the following polyesterification of the alcoholysis product with phthalic anhydride and maleic anhydride in inert medium in the presence of xylene. The process is carried out up to achievement of acidic number 15 mg of KOH/g, not above, with preparing light product showing good consumers' properties. Synthesized oligomer is used for manufacturing lacquer.

EFFECT: improved method of synthesis.

2 cl, 1 tbl, 5 ex

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RU 2 285 705 C1

Authors

Tsejtlin Genrikh Markovich

Kazakova Ekaterina Evgen'Evna

Kazennov Igor' Viktorovich

Utrobin Andrej Nikolaevich

Kobzev Jurij Petrovich

Klubnikin Mikhail Vasil'Evich

Dates

2006-10-20—Published

2005-06-09—Filed