PL23943B1

PL23943B1 - Graphite grease and the method of its production.

Info

Publication number: PL23943B1
Application number: PL23943A
Authority: PL
Filing date: 1936-01-25
Publication date: 1936-10-31

Description

Drobno zmielony grafit naturalny, do¬ dawany do olejów smarowych jako czyn¬ nik zmniejszajacy tarcie w lozyskach me¬ chanizmów, bardzo szybko wydziela sie z rozczynnika i osiada na dnie naczynia. Gra¬ fit dodawany do smarów w rozdrobnieniu koloidalnem równiez wydziela sie ze sma¬ ru i opada na dno naczynia.Stwierdzono, ze dodawanie do smaru grafitowego mydla potasowego, jako srod¬ ka emulgujacego, nadaje smarom znaczna trwalosc. Poniewaz glówna przyczyna nie- trwalosci zawiesiny/ koloidalnej jest mniej¬ sza lub wieksza kwasowosc olejów smaro¬ wych, mozna poddac olej smarowy zobo¬ jetnieniu przed dodaniem do niego grafitu.W tym celu olej przepuszcza sie przez fil¬ try z ziemia okrzemkowa lub weglem ak¬ tywnym.Sposób wytwarzania smaru wedlug wy¬ nalazku polega na mieszaniu oleju smaro¬ wego w ciagu 1 —111/2 godziny ze srodkiem utrwalajacym, uzytym w ilosci od 0,05 do 10% w zaleznosci od rodzaju oleju i prze¬ znaczenia smaru. Nastepnie do otrzymanej mieszaniny dodaje sie od 0,03 do 25% gra¬ fitu zmielonego w mlynie koloidalnym i miesza w ciagu 1 — 1^2 godziny.Tak przygotowany smar rozciencza sie 4 — 100 krotna iloscia czystego oleju sma¬ rowego i poddaje sie dalszemu mieszaniu w ciagu 1 do 1 % godziny.Mieszanie przeprowadza sie w tempera¬ turze od 15° do 100°C w zaleznosci od ro¬ dzaju oleju. PLFinely ground natural graphite, added to lubricating oils as a friction reducing agent in mechanical bearings, separates very quickly from the excipient and settles at the bottom of the vessel. The grease added to greases in colloidal grinding also separates from the grease and falls to the bottom of the vessel. It has been found that the addition of potassium soap as an emulsifying agent to graphite grease gives the greases a significant durability. Since the main cause of suspension instability is the greater or lesser acidity of the lubricating oils, the lubricating oil may be neutralized before adding graphite to it by passing the oil through filters of diatomaceous earth or carbonaceous carbon. The method of producing the lubricant according to the invention consists in mixing the lubricating oil for 1-1.1 hours with a fixing agent used in an amount of 0.05-10% depending on the type of oil and the purpose of the lubricant. Then from 0.03 to 25% of the graphite ground in a colloid mill is added to the mixture obtained and mixed for 1-1.2 hours. The grease prepared in this way is diluted with 4-100 times the amount of pure grease oil and subjected to a further mixing for 1 to 1% of an hour. Mixing is carried out at a temperature of 15 to 100 ° C depending on the type of oil. PL

Claims

Claims 1. Graphite grease, characterized by the fact that potassium soap is present as a fixing agent.

2. The method of producing graphite grease according to claim 1 The method of claim 1, characterized in that the lubricating oil is mixed at a temperature of 15 ° to 100 ° C for 1 - 2 hours with a fixing agent added in an amount of 0.05% - 10%, and then graphite ground in a colloidal mill is added in the amount of 0.03% - 25.0% and stirring for a further 1 hour, then the grease prepared in this way is diluted with 4 - 100 times the amount of fresh lubricating oil.

3. The method according to p. According to claim 2, the oil is neutralized prior to mixing with the other ingredients. Gustaw Woyslaw. Printing by L. Boguslawski and Ski, Warsaw. PL