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2 270 207

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IPC

C08J5/08(2006-01-01)

C08J5/24(2006-01-01)

B29B15/08(2006-01-01)

C03C25/62(2006-01-01)

C08K7/14(2006-01-01)

(21) (22)

Application

2003137703/04, 2003-12-30

(24)

Start date

2003-12-30

(22)

Actual filing date

2003-12-30

(45)

Published

2006-02-20

(72)

Inventor

Trofimov Nikolaj NikolaevichKuznetsov Aleksandr AlekseevichNatrusov Vladimir IvanovichGil'Man Alla BorisovnaDrachev Aleksandr IvanovichShatskaja Evgenija AlekseevnaBal' Marina Bogdanovna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Ob"Edinenie Stekloplastik"Institut Sinteticheskikh Polimernykh Materialov Imeni N.S. Enikolopova Rossijskoj Akademii Nauk

METHOD OF TREATING FIBERGLASS FILLER BEFORE DEPOSITION OF POLYMER BINDER Russian patent published in 2006 - IPC C08J5/08 C08J5/24 B29B15/08 C03C25/62 C08K7/14

Abstract RU 2270207 C2

FIELD: manufacture of composite building materials.

SUBSTANCE: invention relates to treating fiberglass filler designed for creation of prepreg. Prepreg is used to make glass plastic for manufacturing high-strength structural parts resistant to aqueous media, which can be utilized in shipbuilding. Treatment of fiberglass filler consists in that fiberglass filler containing oiling agent (called "paraffin emulsion") is placed in the region of cathode drop and exposed for 30 to 90 sec to glow discharge of alternate current with frequency 50 Hz and intensity 50-100 mA at surrounding air pressure 1 to 20 Pa. Invention thus allows preparation of high-quality water-resistant plastics from prepreg avoiding that filler be subjected to environmentally dangerous and economically onerous technical operations. Enabled are also conditions favoring increase in adhesion of fiberglass filler to polymer binder, which results in elevated strength and waterproofness of relevant composites.

EFFECT: improved performance characteristics of filler.

3 dwg, 2 tbl, 9 ex

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RU 2 270 207 C2

Authors

Trofimov Nikolaj Nikolaevich

Kuznetsov Aleksandr Alekseevich

Natrusov Vladimir Ivanovich

Gil'Man Alla Borisovna

Drachev Aleksandr Ivanovich

Shatskaja Evgenija Alekseevna

Bal' Marina Bogdanovna

Dates

2006-02-20—Published

2003-12-30—Filed