zinc dithiophosphate

The zinc(II) oxide which arises from the dissociation of the 'basic' form is found to inhibit the hydrolysis of 'normal' zinc(II)O,O′-di-isopropyl dithiophosphate by reaction with its ...

The antiwear action of ZDDP is found to be very adaptive and in severe conditions, the model predicts a layered tribofilm with the presence of polymer-like zinc metaphosphate …

Mixed esters of zinc dialkyl dithiophosphate (including diisocytl and diisodecyl esters) at 2 ml/kg/day were found to cause aspermatogenesis and tubular hypoplasia following 28 days of non-occluded, non-abraded …

Zinc dialkyl dithiophosphate Application Elco® 103 is a mixed primary and secondary zinc dialkyl dithiophosphate. Elco 103 is typically used as a component to provide antiwear, corrosion inhibition and antioxidation to grease, metalworking fluids …

Zinc bis (O,O-diisopropyl) bis (dithiophosphate) Zinc tetraisopropyl bis (dithiophosphate) Zinc O,O-diisopropyl dithiophosphate. 9X0RTY433Y. View More... Molecular Weight. 491.9 g/mol. Computed by PubChem 2.2 (PubChem release 2021.10.14) Parent Compound.

Zinc dialkyl dithiophosphate (ZDDP) is the most common additive which can control wear and act as oxidation and corrosion inhibitor . ZDDP reacts on rubbing surfaces to form a quite thick tribofilm (up to 200 nm) . The effect of ZDDP concentration on tribofilm formation was investigated by Yin et al. . The results revealed that a low ...

Zinc Compounds: N982 & 313 & indicates that no RQ is assigned to this generic or broad class, although the class is a CERCLA hazardous substance. See 50 Federal Register 13456 (April 4, 1985). (EPA List of Lists, 2022) CISA Chemical Facility Anti-Terrorism Standards (CFATS)

sorption of Zinc Dialkyl Dithiophosphate on Fe and γ-Fe 2 O 3 Powders," ASLE Transactions, 30, pp 241–247. (7) Shirahama, S. and Hirata, M. (1986), "The Effect of Engine Oil Additives

Aging of lubricants was mainly characterized by a rapid consumption of certain additive families, such as molybdenum dithiocarbamates (MoDTCs) and zinc dithiophosphate (ZnDTPs), but also by the ...

zinc dithiophosphate. Molecular Formula O 6 P 2 S 2 Zn 3; Average mass 418.301 Da; Monoisotopic mass 413.648590 Da; ChemSpider ID 13522640

dithiophosphate Full, 100-1000 258-508-5 5 sodium O,O-diisobutyl dithiophosphate Full, 100-1000 276-159-7 7 Amines, C12-14-tert-alkyl, ... This group of substances is structurally related to the groups zinc dialkyl (and diaryl) dithiophosphates (ZDDP), and the thio alkyl esters and acids

Introduction. Zinc dialkyl dithiophosphate (ZDDP) is the most widely used additive in lubricating oils. This additive was originally introduced as antioxidant and corrosion inhibitor, but it was also found that it could provide excellent wear resistance under boundary or mixed lubrication [1].Since then, various works have been carried out …

Zinc dithiophosphate is a coordination compound of zinc and dithiophosphoric acid. It is used in anti-wear additives to lubricants such as greases, gear oils, and motor oils. Zinc is a metallic element with the …

Zinc dialkly dithiophosphate (ZDDP) consists of zinc bound to diphosphordithioic acid with alkyl or alkaryl ester substituent groups. The alkyl groups are saturated hydrocarbons that vary in length from C3- C12. The basic chemical structure of ZDDP is shown in figure 3. The chemical category of ZDDP can be divided into twelve products that share

Zinc polyphosphates can be classified either as glassy materials, or as amorphous polymers. They have recently been recognized to be important intermediate reaction prod-ucts in the tribochemical reaction of zinc dithiophosphate antiwear additives (ZDDP). However, there are uncertain-ties concerning the different ways of obtaining the zinc

Salts, basic, such as ZINC DITHIOPHOSPHATE, are generally soluble in water. The resulting solutions contain moderate concentrations of hydroxide ions and have pH's greater than 7.0. They react as bases to neutralize acids. These neutralizations generate heat, but less or far less than is generated by neutralization of the bases in reactivity ...

ZINC DIALKYL DITHIOPHOSPHATE (CAS 8) SECTION 3 - HAZARDS IDENTIFICATION This material is considered to be hazardous according to regulatory guidelines. (see MSDS Section 15). POTENTIAL PHYSICAL / CHEMICAL EFFECTS: Contact with hot material can cause thermal burns which may result in permanent …

A secondary ZDDP (7.2 wt.% P) consisting of both basic and neutral forms of ZDDP and an ashless dialkyl dithiophosphate (9.3 wt.% P) were used in this study, the structure of the two compounds is shown in Fig. 1.Two blends were formulated with each antiwear additive, one with a nominal composition of 0.1 wt.% P and the other with a …

Application. Zinc Dialkyldithiophosphate (ZDDP) is an anti-wear lubricating oil additive of exceptionally high thermal and hydrolytic stability. It is generally used with detergent, dispersant and acid neutralizing additives in engine oils. This additive provides oxidation, copper-lead bearing corrosion and wear control in diesel and gasoline ...

Zinc dithiophosphates, especially ZDDP (zinc dialkyldithiophosphate), are the most widely used (for over a half a century) multifunctional antioxidant/antiwear additives in engine oil …

We are a key to making your engine run smoothly. What molecules are we? Zinc dialkyl dithiophosphates (ZDDPs) are very effective antiwear agents that are used …

Received 13 April 1998; accepted 12 October 1998. The role of zinc polyphosphate in the antiwear mechanisms of zinc dithiophosphate (ZDDP) is investigated in the light of …

Experimental studies reveal that the simultaneous addition of zinc dialkyl dithiophosphates (ZDDPs) and multi-wall carbon nanotubes (MWCNTs) to a poly-alpha-olefin base oil strongly reduces wear. In this paper, it is shown that MWCNTs promote the formation of an anti-wear (AW) layer on the metal surface that is much thicker than what …

Zinc dialkyl dithiophosphate (ZDDP) is the most widely used additive in lubricating oils. This additive was originally introduced as antioxidant and corrosion …

Molecular Formula. C16H36O4P2S4Zn. Synonyms. zinc dibutyl dithiophosphate. SCHEMBL712939. Molecular Weight. 548.1 g/mol. Computed by PubChem 2.2 (PubChem release 2021.10.14) Parent Compound.

liquid, n.o.s. (Zinc alkyl dithiophosphate) 9 9 9 III III III Hazard identification number 90 Remarks Environmentally hazardous substance mark. Tunnel restriction code: E Remarks Environmentally hazardous substance mark. Emergency schedules (EmS) F-A, S-F Marine pollutant UN3082 Environmentally hazardous substance, liquid, n.o.s. (Zinc alkyl ...

zinc dithiophosphate. Molecular Formula OPSZn. Average mass 418.301 Da. Monoisotopic mass 413.648590 Da. ChemSpider ID 13522640. - Charge.

Spectrum [B] of di-iso-propyl dithiophosphate disulfide (no zinc) is shown for comparison. It is evident that the disulfide absorbs at lower ppm than ZDDP, and can be differentiated in solution using 31-P NMR spectroscopy. P L-edge and K-edge XANES spectroscopy, on the other hand, is unable to differentiate between ZDDP and the …

Zinc dithiophosphate (T3D1471) Zinc dithiophosphate is a coordination compound of zinc and dithiophosphoric acid. It is used in anti-wear additives to lubricants such as greases, gear oils, and motor oils. Zinc is …

Zinc dialkyl dithiophosphate (ZDDP) as a well-known anti-wear additive enhances the performance of the lubricant beyond its wear-protection action, through its anti-oxidant and Extreme Pressure (EP) functionality. In spite of over thirty years of research attempting to reveal the mechanism of action of ZDDP, there are still some uncertainties ...

HiTEC® 1656 additive is a mixed primary/secondary zinc dialkyl dithiophosphate which acts as an outstanding inhibitor of wear, oxidation and bearing corrosion. HiTEC® 1656 additive is recommended for use primarily in the formulation of automotive (both gasoline and diesel) and marine engine lubricants. It may also be used in industrial fluids ...

Wear tests were performed to map effects of load and sliding speed on formation and tribological properties of zinc-dialkyl-dithiophosphate (ZDDP) antiwear tribofilms formed on cast iron in a 1.2 wt.% ZDDP model lubricant oil using a high frequency friction machine. Wear film formation was characterized by monitoring the evolution of ...

The invention discloses low-impurity content zinc dialkyl dithiophosphate (ZDDP). In the zinc dialkyl dithiophosphate, phosphorus is volatile impurity phosphorus and available phosphorus; the molar percentage content of the volatile impurity phosphorus measured through a 31P-NMR spectrum does not exceed 7.2% of the total phosphorus …

Zinc bis-(dipalmithyl dithiophosphate) (ZDTP16) is one product variant of zinc dialkyl dithiophosphate (ZDTP)-fatty acid based having function as corrosion inhibitor. By using 3% of effective dose ...

The anti-wear action of zinc dithiophosphate (ZDDP), extensively used in engine oils, is here studied by analysis of wear particles generated during a friction test between two ferrous substrates. It … Expand. 10. Save.

This is a review of the additive, zinc dialkyldithiophosphate (ZDDP), which is found commonly in lubricating oil where it plays a role as both an antioxidant and an …