PL48825B1 - - Google Patents

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Publication number
PL48825B1
PL48825B1 PL100312A PL10031262A PL48825B1 PL 48825 B1 PL48825 B1 PL 48825B1 PL 100312 A PL100312 A PL 100312A PL 10031262 A PL10031262 A PL 10031262A PL 48825 B1 PL48825 B1 PL 48825B1
Authority
PL
Poland
Prior art keywords
weight
sheets
nitrocellulose
zinc oxide
dibutyl phthalate
Prior art date
Application number
PL100312A
Other languages
Polish (pl)
Original Assignee
Walcownie Metali „Dziedzice" Czechowicedziadzice
Filing date
Publication date
Application filed by Walcownie Metali „Dziedzice" Czechowicedziadzice filed Critical Walcownie Metali „Dziedzice" Czechowicedziadzice
Publication of PL48825B1 publication Critical patent/PL48825B1/pl

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Description

Farba wedlug wynalazku spelnia powyzsze wy¬ magania. Otrzymuje sie ja przez zmieszanie na¬ stepujacych substancji: nitroceluloza zywica ftalowa modyfikowa¬ na olejem rycynowym grafit koloidalny tlenek cynku ftalan dwubutylu cykloheksanon ksylol 18- 12- 12- 4- 16- 20- 5- -22% -18% -14% - 8% -20% -30% - 80/0 25 30 Substancje organiczne, jak nitroceluloza, zywi¬ ca ftalowa, ftalan dwubutylu oraz rozpuszczalniki w czasie suszenia, a nastepnie podgrzewania blach do temperatury walcowania, ulegaja czesciowe¬ mu odparowaniu oraz zwegleniu. Grafit koloidalny i tlenek cynku wraz z pozostalosciami z substancji 4882548 825 3 4 organicznych tworza w temperaturach walcowa¬ nia (450—600°C) wystarczajaca warstewke do za¬ bezpieczenia blach przed zgrzaniem w miejscach styku.Warstewka ta ma dobra przyczepnosc, nie od- pryskuje i nie wykazuje zadnych zmian wymiaro¬ wych nadrukowanego ukladu, co pozwala na o- trzymanie blach kanalikowych dla chlodnictwa i innych dziedzin, o wymaganych wlasnosciach i wymiarach. PLThe paint according to the invention meets the above requirements. It is obtained by mixing the following substances: nitrocellulose, phthalate resin modified with castor oil, graphite, colloidal zinc oxide, dibutyl phthalate, cyclohexanone, xylol 18-12-12- 4- 16-20- 5- -22% -18% -14% - 8% -20% -30% - 80/0 25 30 Organic substances such as nitrocellulose, phthalate resin, dibutyl phthalate and solvents during drying and then heating the sheets to the rolling temperature, undergo partial evaporation and charring. Colloidal graphite and zinc oxide together with the residues of organic substances 4 882 548 825 3 4 at rolling temperatures (450-600 ° C) create a sufficient film to prevent the sheets from being welded at the contact points. This layer has good adhesion, not detachment. splashes and does not show any dimensional changes of the printed layout, which allows the holding of hollow sheets for refrigeration and other fields with the required properties and dimensions. PL

Claims (1)

1. Zastrzezenie patentowe Sposób zabezpieczania blach aluminiowych przed zgrzaniem w procesie walcowania na goraco znamienny tym, ze powierzchnie blach pokrywa 5 sie farba skladajaca sie z 18—22% wagowych ni¬ trocelulozy, 12—18% wagowych zywicy ftalowej modyfikowanej olejem rycynowym, 12—14% wa¬ gowych grafitu koloidalnego, 4—8% wagowych tlenku cynku, 16—20% wagowych ftalanu dwubu- tylu, 20—30% wagowych cykloheksanonu oraz 5— 8% wagowych ksylolu. 10 2129. RSW „Prasa11. Kielce. Nakl. 400 egz. PL1. Patent claim A method of protecting aluminum sheets against welding in a hot rolling process, characterized in that the surfaces of the sheets are covered with a paint consisting of 18-22% by weight of nitrocellulose, 12-18% by weight of phthalic resin modified with castor oil, 12- 14% by weight of colloidal graphite, 4 to 8% by weight of zinc oxide, 16-20% by weight of dibutyl phthalate, 20-30% by weight of cyclohexanone and 5 to 8% by weight of xylol. 10 2129. RSW "Press11. Kielce. Nakl. 400 copies PL
PL100312A 1962-12-14 PL48825B1 (en)

Publications (1)

Publication Number Publication Date
PL48825B1 true PL48825B1 (en) 1964-10-15

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