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Silicon-containing organic engine coolant and applications thereof

An engine coolant and organic technology, applied in the chemical industry, can solve the problems of not being able to fully meet the protection requirements of the engine coolant system, insufficient metal protection performance and rubber compatibility, and achieve excellent protection effects, large performance advantages, and good protection The effect of rust

Inactive Publication Date: 2019-04-23
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current engine coolant formulations on the market can basically meet the requirements for antifreeze and anti-boiling under the premise of taking appropriate production control measures, but the metal protection performance and rubber compatibility are insufficient to fully meet the requirements for engine coolant. System Protection Requirements

Method used

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  • Silicon-containing organic engine coolant and applications thereof

Examples

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Effect test

Embodiment 1

[0029] A silicon-containing organic engine coolant, comprising the following components by weight: 40 parts of ethylene glycol, 8 parts of methylene succinic acid, 3 parts of quaternary ammonium silicate, 3 parts of organosiloxane, polysuccinate 2 parts of imide, 2 parts of amino caprylic acid, 1 part of ε-polylysine, 2 parts of FOAM BAN EC 200, 39 parts of deionized water.

[0030] Preparation method: mix ethylene glycol, methylene succinic acid, quaternary ammonium silicate, organosiloxane, polysuccinimide, amino caprylic acid, ε-polylysine, FOAM BAN EC 200, Ionized water is mixed evenly at room temperature to obtain the product.

Embodiment 2

[0032] A silicon-containing organic type engine coolant, comprising the following components by weight: 25 parts of ethylene glycol, 1 part of methylene succinic acid, 1 part of maleic acid, 2 parts of potassium sodium silicate, organic 2 parts of siloxane, 4 parts of amino caprylic acid, 3 parts of α-amino-β-indolylpropionic acid, 3 parts of α,ε-diaminocaproic acid, 2 parts of sodium dehydroacetate, 0.5 parts of FOAM BAN EC 200, 56.5 parts of deionized water.

[0033] Preparation method: Ethylene glycol, methylene succinic acid, maleic acid, potassium sodium silicate, organosiloxane, amino caprylic acid, α-amino-β-indole propionic acid, α, ε-Diaminocaproic acid, sodium dehydroacetate, FOAM BAN EC 200, and deionized water are mixed uniformly at room temperature to obtain the product.

Embodiment 3

[0035] A silicon-containing organic engine coolant, comprising the following components in parts by weight: 35 parts of ethylene glycol, 10 parts of 2,3-dihydroxysuccinic acid, 5 parts of sodium metasilicate pentahydrate, organosiloxane 5 parts, 0.5 parts of α-amino-β-indolyl propionic acid, 1.5 parts of dimethyl fumarate, 0.8 parts of DSA-5, 42.2 parts of deionized water.

[0036] Preparation method: mix ethylene glycol, 2,3-dihydroxysuccinic acid, sodium metasilicate pentahydrate, organosiloxane, α-amino-β-indolyl propionic acid, dimethyl fumarate according to the above dosage Ester, DSA-5, and deionized water are mixed uniformly at room temperature to obtain the product.

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Abstract

The invention provides a silicon-containing organic engine coolant, which comprise, by weight, 25-55 parts of ethylene glycol, 2-10 parts of a carboxylate, 0.1-5 parts of a silicate, 0.1-5 parts of asilicate stabilizer, 0.5-10 parts of a corrosion inhibitor, 0.2-2 parts of a preservative, 0.5-2 parts of an antifoaming agent, and 30-70 parts of deionized water. According to the present invention,the silicon-containing organic engine coolant can well protect the metal and non-metal materials of the engine cooling system, can effectively prevent corrosion and water scale, and has stability andlong service life within a large pH value range.

Description

technical field [0001] The invention relates to an engine cooling liquid, in particular to a liquid used in a motor vehicle engine cooling system for anti-freezing, anti-boiling, anti-scaling and anti-corrosion of the cooling system, which belongs to the field of chemical industry. Background technique [0002] The engine coolant is mainly used in the cooling system of the automobile engine, as the heat transfer medium of the cooling system, to dissipate the heat in time to ensure that the engine works at a suitable temperature. [0003] The main components of the engine cooling system include thermostats, water pumps, water pump belts, radiators, cooling fans, water temperature sensors, liquid storage tanks, heating devices, etc., and the materials include various metals, rubber, plastics, etc. The requirements for engine coolant mainly include anti-freezing, anti-boiling, anti-scaling, anti-corrosion, and no damage to rubber parts. With the miniaturization of the engine a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K5/20C23F11/08
CPCC09K5/20C23F11/08
Inventor 丁烨张凯蛟杨兵耿立波王荷菲
Owner CHINA PETROLEUM & CHEM CORP
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