High-low temperature urea grease composition with flame resistance and preparation method of high-low temperature urea grease composition

Abstract

The invention discloses high-low temperature urea grease composition with flame resistance and a preparation method of the high-low temperature urea grease composition. The high-low temperature urea grease composition is prepared from the following components in parts by weight: 67-87 parts of synthetic base oil, 5-15 parts of a polyurea-based thickener, 1-5 parts of polyvinyl alcohol, 3-5 parts of polyisobutylene gel, 2-3 parts of zinc dialkyl dithiophosphate and 2-5 parts of micro-nano borate T36A. The preparation method of the composition comprises the following steps: feeding the syntheticbase oil and the polyurea-based thickening agent into an oil-bath heating reaction kettle, stirring the mixture uniformly, and performing saponification to form grease to prepare basic grease; then adding polyvinyl alcohol, the polyisobutylene gel, zinc dialkyldithiophosphate and micro-nano borate T361A sequentially to the reaction kettle, and stirring and dispersing the mixture uniformly; finally, performing homogenization by a homogenizer or grinding by a three-roller machine to prepare the high-low temperature urea-based lubricating grease with a flame resistant function.

Description

technical field [0001] The invention belongs to the field of lubricating grease, in particular to a flame-resistant high-low temperature urea-based lubricating grease composition and a preparation method thereof. Background technique [0002] Grease is a lubricant in solid or semi-solid state, generally composed of base oil, thickener and additives, etc. It can adhere well to the surface of friction parts of mechanical equipment, thereby reducing friction and wear. When the operating conditions of mechanical equipment are relatively complicated, especially when the ambient temperature changes greatly, it requires that the grease can maintain a good lubricating effect in a wide temperature range, that is to say, it must have good high and low temperature performance. Taking steelmaking plants as an example, many mechanical equipment are operated under high-temperature environment conditions. Under the baking of high-temperature steel billets or molten steel, conventional grea...

AI Technical Summary

Problems solved by technology

Taking steelmaking plants as an example, many mechanical equipment are operated under high-temperature environment conditions. Under the baking of high-temperature steel billets or molten steel, conventional grease is used as a combustible substance, which is likely to catch fire or even cause a fire, resulting in major economic losses. loss

[0003] Aiming at the current situation that conventional lubricating grease cannot balance high and low temperature performance, and does not have anti-flammability effect, we have designed a new urea-based grease formula, and on this basis, developed high-low temperature urea-based grease with anti-flammability function, While ensuring that the equipment can have a good lubricating effect in a wide temperature range, it can reduce fire hazards and has a good application prospect

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