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Application

4922908/05, 1991-03-29

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Actual filing date

1991-03-29

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Published

1994-07-15

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Inventor

Petrenko A.V.Gurov A.A.Budnitskij G.A.Frolova N.V.Kazakova E.P.Tkachenko I.V.Makarova R.A.Pankina O.I.Karpukhin L.N.Rjabov Ju.N.Razina O.I.

(73)

Holder

Nauchno-Proizvodstvennoe Ob"Edinenie

PREPREG FOR FRICTION MATERIALS Russian patent published in 1994 - IPC

Abstract RU 2016000 C1

FIELD: production of details having friction purposes. SUBSTANCE: proposed prepreg is prepared of fibrous filler impregnated by resol phenol-formaldehyde resin. Cloth of polyoxadiasol threads having linear density 100-200 tex is used as fibrous filler. Said prepreg contains, mass %: phenol-formaldehyde resin 40-60, mentioned above cloth 40-60. Impact viscosity thus prepared material is 27-33 kgf·cm/cm2, its hardness according Brunell being 30-35 kgf/mm2, compressive strength being 1600-1900 kgf/cm2. EFFECT: improves quality of desired product. 1 tbl

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RU 2 016 000 C1

Authors

Petrenko A.V.

Gurov A.A.

Budnitskij G.A.

Frolova N.V.

Kazakova E.P.

Tkachenko I.V.

Makarova R.A.

Pankina O.I.

Karpukhin L.N.

Rjabov Ju.N.

Razina O.I.

Dates

1994-07-15—Published

1991-03-29—Filed

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