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2 448 123

(13)

(51)

IPC

C08G8/00(2006-01-01)

(21) (22)

Application

2011101061/04, 2011-01-12

(24)

Start date

2011-01-12

(22)

Actual filing date

2011-01-12

(45)

Published

2012-04-20

(72)

Inventor

Shishlov Oleg FedorovichTalbirski JorgTroshin Dmitrij PetrovichKovalev Aleksej AleksandrovichBaulina Nadezhda SergeevnaGlukhikh Viktor Vladimirovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF PRODUCING LIQUID RESOL PHENOL-FORMALDEHYDE RESINS Russian patent published in 2012 - IPC C08G8/00

Abstract RU 2448123 C1

FIELD: chemistry.

SUBSTANCE: method involves condensation of phenols with formaldehyde in an aqueous medium in the presence of an alkaline catalyst while heating. The phenols used are mixture of phenol and cardanol in molar ratio phenol: cardanol equal to 1:0.0032-0.5819.

EFFECT: longer storage life and high rate of hardening of the resol phenol-formaldehyde resin, high efficiency and reliability of processes of making low-toxic particle boards and plywood, having high water resistance and weather resistance.

2 cl, 2 ex, 3 tbl

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RU 2 448 123 C1

Authors

Shishlov Oleg Fedorovich

Talbirski Jorg

Troshin Dmitrij Petrovich

Kovalev Aleksej Aleksandrovich

Baulina Nadezhda Sergeevna

Glukhikh Viktor Vladimirovich

Dates

2012-04-20—Published

2011-01-12—Filed