Table of Contents
Zinc dialkyl dithiophosphates (ZDDP) are a class of chemicals commonly used as additives in lubricating oils, particularly in automotive and industrial applications. They provide important anti-wear, anti-oxidation, and corrosion inhibition properties to the lubricants. The primary and secondary alkyl groups in their structure refer to the specific arrangement of organic chains attached to the phosphorus atom in the molecule.
Zinc Primary-Secondary Alkyl Dithiophosphate:
This term describes a type of ZDDP where one alkyl group is primary and the other alkyl group is secondary. In organic chemistry, alkyl groups are branches of carbon chains. A primary alkyl group is directly attached to a carbon atom, while a secondary alkyl group is attached to a carbon atom that is in turn bonded to two other carbon atoms.
Zinc Secondary Dialkyl Dithiophosphate:
This term describes a type of ZDDP where both alkyl groups are secondary. In this case, both alkyl groups are attached to carbon atoms that are bonded to two other carbon atoms.
In both cases, the core structure of the molecule consists of a zinc ion (Zinc, or Zn2+) attached to a dithiophosphate group. The dithiophosphate group contains two sulfur atoms (di = two, thio = sulfur) and is attached to the alkyl groups. The alkyl groups provide the organic part of the molecule that interacts with the metal surfaces and provides the lubricating and protective properties.
The choice of primary and secondary alkyl groups can influence the properties of the ZDDP. Different alkyl groups can affect the solubility, thermal stability, and interactions with metal surfaces, which in turn can influence the performance of the lubricating oil in different applications. The specific structure of the ZDDP molecule can be tailored to optimize its performance under various operating conditions, such as temperature, load, and speed.
It’s important to note that ZDDPs have been widely used for many years, but their use has faced some challenges due to concerns about their impact on emissions control systems in modern engines. As a result, researchers have been exploring alternative additives and formulations while still maintaining the critical anti-wear and anti-oxidation properties in lubricants.
Our product：
1、T215 Zinc primary-secondary Alkyl Dithiophosphate
Product Introduction
T215 is mixed primary-secondary alkyl dithiophosphate zinc salt antioxidant (ZDDP), a kind of antioxidant and anti-corrosion agent. This product features excellent anti-oxidation and anti-wear performance, which can effectively solve the problem of engine cam and tappet’s abrasion and corrosion. It can be widely applied to various oils, especially for high grade gasoline engine oil.
Reference Dosage
The ordinary percentage in usage is 0.5%-2.5%.
2、T2205 Zinc Secondary Dialkyl Dithiophosphate
Product Introduction
T2205 is Zinc Secondary Dialkyl Dithiophosphate (ZDDP), a kind of antioxidant and anti-corrosion agent. This product features excellent anti-oxidation and anti-wear performance, which can effectively solve the problem of engine cam and tappet’s abrasion and corrosion. It can be widely applied to various oils, especially for high grade gasoline engine oil.
Reference Dosage
The ordinary percentage in usage is 0.5%-2.5%.
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Shanghai Minglan Chemical Co.,Ltd. is a professional manufacturer and supplier of lubricant additives.We have committed to supply the professional,perfect, effective and satisfactory lubrication solutions all the time. Our lubricant additive packages meet the specification requirement of bunch test,and possess excellent product performance and reliable quality,so that always holds technology leading status in the lubrication industry.We are specialized in supplying high-quality lubricant additive products with nearly 20 years of experience. Such as detergent、ashless dispersant、ZDDP、EP antiwear additive、antiodant、viscosity index improver、rust inhibitor、Pour Point Depressant、engine oil additive package、gear oil additive package、hydraulic oil additive package and so on.
If you are interested in the Antioxidant and Anticorrosion Additive, I recommend reaching out to us,we can provide more detailed information about our product offerings and may assist in selecting the most suitable Antioxidant and Anticorrosion Additive for your lubricant application.