Trimethylol Propane Ester

The samples for investigation were two virgin lubrication oils of SAE specification low (samples El.O and E2.0) and SAE 30 (sample E3.0 and E4.0) reclaimed lubrication oils of identical SAE specifications (Rl.O, R2.0, R3.0, and R4.0) (Table 4-173) three synthetic lubricants polyalphaolefin (PAO 5.0) a trimethylol propane ester of short chain... 

Polyol ester turbine oils currendy achieve greater than 10,000 hours of no-drain service in commercial jet aircraft with sump temperatures ranging to over 185°C. Polyol esters are made by reacting a polyhydric alcohol such as neopentyl glycol, trimethylol propane, or pentaerythritol with a monobasic acid. The prominent esters for automotive appfications are diesters of adipic and a2elaic acids, and polyol esters of trimethylolpropane and pentaerythritol (34). 

Hiadered esters are also produced from and Cg a-olefias. These olefias are coaverted iato C —C fatty acids by the oxo process the acids are thea treated with polyols such as peataerythritol and trimethylol propane to produce hindered esters, which find use ia lubricants for jet engines and other high performance appHcations. 

Thermoset polymeric esters consisting of neopentyl glycol, propylene glycol, trimethylol propane, adipic acid, maleic anhydride, and 2-ethyl hexanol were prepared by McAlvin et al. (3) and were used in blends containing styrene monomer. The mixture was cured by pultrusion and had improved weatherabil-ity characteristics. 

The most effective prorads for PVC are acrylic and allylic esters, such as triallyl cyanurate (TAC), trimethylolpropane trimethacrylate (TMPTMA) and trimethylol-propane triacrylate. The triacrylate is more reactive than the trimethacrylate, but is more toxic and, for that reason, is seldom used. The amounts of these additives are 1 to 5% of the formulation weight.103... 

Leong et al. evaluated a hyperbranched poly(amino ester) synthesized in a novel A3+2BB B approach by Michael addition polymerization of trimethylol-propane triacrylate (TMPTA) (A3-type monomer, triacrylate), with a double molar of l-(2-aminoethyl) piperazine (AEPZ) (BB B -type monomer, trifunctional amine) (Fig. 11) [127]. To check its DNA condensation behavior and cytotoxicity, the poly(TMPTAl-AEPZ2) obtained was protonated. Due to the protonation ability of... 

Polyol esters are made by reacting a polyhydric alcohol, such as neopentyl glycol (NPG), trimethylol propane (TMP) or pentaerythritol (PE), with a monobasic acid to give the desired ester. When making neopolyol esters, excess acid is used because the acid is more volatile than the neopolyol glycol and therefore easier to recover from the ester product. 

U.S. production of w-butanol has increased to 600 kt per annum, largely for conversion to unsaturated esters and saturated ester and ether solvents, while 2-ethylhexanol (about 300 kt per annum in the U.S., but much higher in Europe with exports at 250 kt per annum) is used mainly for the phthalate ester as a plasticizer for PVC. The n- and iso-butyraldehydes are also subjected to aldol condensation/crossed Cannizzaro reactions with formaldehyde, to give the polyols trimethylol-propane (2, 2-bishydroxymethyl-l-butanol) and neopentyl glycol (2,2-dimethyl-1,3-propanediol). 

Synonyms 2-propenoic acid 2-ethyl-2-[[(i-oxo-2-propenyl)oxy]methyl]-1,3-propanediyl ester 2-ethyl-2-[[(i-oxoallyl)oxy]methyl]-i,3-propanediyl diacrylate 1,1,1-trimethylol propane triacrylate TMPTA... 

Trimethylol propane started caprolactone, ester triols... 

Figure 3.10 PMR spectra of (a) bisophenol-epichlorohydrin condensate (Bakelite epoxy ERL 2774) (b) Ethylene glycol started caprolacone ester diol (Niox polyol, PCP-0230) (c) Trimethylol propane started caprolactone ester triols (Niax polyol, PCP-0310). (Reprinted with permission from A.D. Hammerich and F.G. Willeboordse, Analytical Chemistry, 1973, 45, 7, 1696. 1973, ACS) [89]...

Decanoic acid, 1-methyl-1,2-ethanediyl ester. See Propylene glycol dicaprate Decanoic acid, 1-methyl-1,2-ethanediyl ester mixed with 1-methyl-1,2-ethanediyl dioctanoate Decanoic acid, mbred diesters with octanok acid and propylene glycol. See Propylene glycol dicaprylate/dicaprate Decanoic acid, mixed esters with hexanoic acid, octanok acid, and trimethylol-propane. See Trimethylolpropane tricaprylate/tricaprate Decanoic acid, mixed esters with neopentyl glycol and decanoic acid ... 

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