Patenton — panteon of patents

(19)

RU

(11)

2 073 583

(13)

C1

(51)

IPC

(21) (22)

Application

94008061/02, 1994-03-11

(22)

Actual filing date

1994-03-11

(45)

Published

1997-02-20

(72)

Inventor

Pukhovitskaja A.N.Sokolova S.I.Romanov N.M.Kolpakov A.A.Kitaeva L.N.Polozenko G.N.Kopylov V.M.Krasil'Nikova Eh.M.Pokaljakina L.F.Rozhkova V.V.Zuev M.P.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Institut Plasticheskikh Mass Im.G.S.Petrova S Opytnym Moskovskim Zavodom Plasticheskikh Mass"Aktsionernoe Obshchestvo Otkrytogo Tipa

BLEND FOR MANUFACTURING CORES AND MOLDS IN HEATED EQUIPMENT Russian patent published in 1997 - IPC

Abstract RU 2073583 C1

FIELD: foundry. SUBSTANCE: one component of blend is carbamide-furane resin with molar ratio of carbamide, formaldehyde, and furfuryl alcohol 1: (1.6-1.8): (0.7-1.0) which includes complex hardener containing aqueous solutions of wastes of copper and/or its alloys treated with nitric acid. Molar ratio of initial components ensures formation of resin with reduced content of free formaldehyde up to 1.0% in common with complex hardener. EFFECT: improved performance characteristic of blend. 2 cl, 3 tbl

Similar patents RU2073583C1

Title Year Author Number
METHOD OF PREPARING COMPLEX HARDENER FOR BINDING AGENTS 1994
  • Pukhovitskaja A.N.
  • Sokolova S.I.
  • Romanov N.M.
  • Polozenko G.N.
  • Kopylov V.M.
  • Kolpakov A.A.
  • Kitaeva L.N.
 RU2073584C1
METHOD OF PRODUCING MODIFIED AMINOFORMALDEHYDE RESINS 1993
  • Blinkova O.P.
  • Zinina O.M.
  • Romanov N.M.
  • Vorozhtsov I.N.
 RU2045541C1
PROCESS FOR PREPARING MODIFIED AMINOFORMALDEHYDE RESINS 1990
  • Blinkova O.P.
  • Romanov N.M.
  • Kuz'Mina L.A.
 RU2026309C1
METHOD OF HARDENING THERMOREACTIVE POLYORGANOSILOXANE RESINS 1992
  • Fomina N.I.
  • Astakhov P.A.
  • Zavin B.G.
  • Bljumenfel'D A.B.
  • Arkhipov I.A.
  • Ljagin A.Ju.
 RU2038359C1
ELECTROCONDUCTIVE POLYMERIC COMPOSITION 1992
  • Ninin V.K.
  • Tikhomirova R.G.
  • Potselueva N.V.
  • Shegabutdinova L.A.
 RU2016424C1
PRESS-COMPOSITION 1992
  • Fomina N.I.
  • Astakhov P.A.
  • Zavin B.G.
  • Vil'Chevskaja V.D.
  • Papkov V.S.
  • Bljumenfel'D A.B.
 RU2034876C1
METHOD OF PRODUCING THE POLYHALOID ANION-EXCHANGE RESIN 1995
  • Solntseva D.P.
  • Krasnov M.S.
  • Vorob'Eva N.I.
 RU2083604C1
PROCESS FOR PREPARING UREA-FORMALDEHYDE RESINS 1993
  • Kozhevnikov V.S.
  • Romanov N.M.
  • Troitskaja V.M.
 RU2057147C1
METHOD OF TRIS-β-CHLOROPROPYLPHOSPHATE PURIFICATION 1992
  • Ermilina N.I.
  • Vojtjuk L.P.
  • Kharrasova A.N.
 RU2037497C1
METHOD FOR PRODUCTION OF AMINO-ALDEHYDE RESINS 1993
  • Blinkova O.P.
  • Zinina O.M.
  • Romanov N.M.
  • Sheremet'Eva O.N.
  • Kostyrja V.I.
  • Khazanov M.A.
 RU2045540C1

RU 2 073 583 C1

Authors

Pukhovitskaja A.N.

Sokolova S.I.

Romanov N.M.

Kolpakov A.A.

Kitaeva L.N.

Polozenko G.N.

Kopylov V.M.

Krasil'Nikova Eh.M.

Pokaljakina L.F.

Rozhkova V.V.

Zuev M.P.

Dates

1997-02-20—Published

1994-03-11—Filed

read Similar patents