Bis- -pentaerythritol

Pentaerythritol Bis[trisfdifluoramino)methyl Ether] Dinitrate, F A-PEDINl. 

The effectiveness is particularly dependent on the content of phosphor. Whereas pentaerythritol diphenyl diphosphate bums even at a loading of 35%, pentaerythritol bis(phenyl phosphate) reaches a V-0 rating at this loading, pentaerythritol bis(methyl phosphate) needs only a loading of 15% to reach a V-0 rating (69). 

Pentaerythritol bis(methyl phosphate) Pentaerythritol bis(phenyl phosphate)... 

Dipentite Diphenyl pentaerythritol diphosphite EINECS 205-625-4 Pentaerythritol bis(phenyl phosphite) Pentaerythritol, cyclic bis(phenyl phosphite) Phos-phorous acid, cyclic neopentanetetrayl diphenyl ester. 

Pentaerythritol-bis-tetrahydrobenzaldehyde acetal. See Pentaerythrityl-bis-tetrahydrobenzaldehyde acetal Pentaerythritol dibromide Pentaerythritol dibromohydrin. See Dibromoneopentyl glycol Pentaerythritol dichlorohydrin. See Aminomethyl propanediol Pentaerythritol ester of rosin. See Pentaerythrityl rosinate Pentaerythritol esters of TOFA. See Pentaerythrityl tallate... 

Synonyms 3,9-Di (3-cyclohexenyl)-2,4,8,10-tetraoxaspiro (5,5) undecane Pentaerythritol-bis-tetrahydrobenzaldehyde acetal 2,4,8,10-Tetraoxaspiro (5,5) undecane, 3,9-di (3-cyclohexenyl)-Empincal C19H28O4 Properties M.w. 320.47... 

C45H84O8 pentaerythritol bis-(2-ethyl-hexanoate) nonanoate pentadeeanoate ... 

Pentaerythritol, 2,2p [methylenebis(oxymethylene)]bis(2-hydr oxymethyl-l,3-propanediol) [6228-26-8]... 

Polyhydric alcohol mercaptoalkanoate esters are prepared by reaction of the appropriate alcohols and thioester using -toluenesulfonic acid catalyst under nitrogen and subsequent heating (16,17). Organotin mercapto esters are similarly produced by reaction of the esters with dibutyltin oxide (18). Pentaerythritol can be oxidized to 2,2-bis(hydroxymethyl)hydracryhc acid [2831-90-5] C H qO, ... 

The main intermediates in the pentaerythritol production reaction have been identified and synthesized (50,51) and the intermediate reaction mechanisms deduced. Without adequate reaction control, by-product formation can easily occur (52,53). Generally mild reaction conditions are favored for optimum results (1,54). However, formation of by-products caimot be entirely eliminated, particularly dipentaerytbritol and the linear formal of pentaerythritol, 2,2 -[meth5lenebis(oxymethylene)]bis(2-hydroxymethyl-1,3-propanediol) [6228-26-8] ... 

These polymers are subjected to high temperatures, ca 300°C, duting extmsion and iajection molding. Processing stabilizers are used to decrease both the change ia viscosity of the polymer melt and the development of color. A phosphite, such as tris(2,4-di-/ f2 -butyiphenyi)phosphite (25) or bis(2,4-di-/ f2 butyiphenyi)pentaerythritol diphosphite [26741-53-7] ia combination with a phenoHc antioxidant such as octadecyl... 

Pentaerythritol. Pentaerythritol tetranitrate, the tetranitrate derivative of 2,2-bis(hydroxymeth5l)-l-3-propanediol [115-77-5] is... 

Pentaerythritol [Pentaerythrite, Tetrakis (hy droxy methyl)methane, Tetramethylol-methane, Methanetetramethylol, 2,2-Bis-(hydroxymethyl)-1,3-propanediol (name... 

Pentaerythritol Dinitrate [2,2-Bis(hydroxy-methyll-1, 3-propanediol 1,3-di nitrate... 

Pentaerythritol Cyclic Ether Dinitrate [Oxypentaerythritol Djnitrate, 3,3-Bis-(nitratomethyl)oxetane (name preferred by CA)]. CsH8N207,mw 208.13, N 13.46%, C(CH20N02 v. 

Pentaerythritol Dichloride Di nitrate [2,2-Bis(ch oromethyl -1,3-propanediol Di nitrate (name preferred by CA)). CsH8C12N206, mw 263.04, N 10.65%. CH2C1... 

Pentaerythritol Tetranitrate (PETN listed as 1,3-Propanediol, 2,2-[bis-(nitroxy)methyl] -dinitrate in CA since 1972, Penta Penthrite in Fr Pentrit, Niperyth, Nitropenta (NP) in Ger TEN in Russ). C(CH20N02)4, mw 316.15,... 

See in this Vol under Pentaerythritol Propyl Bis Trinitropropyl Urea. See under Dipropyl-... 

Initial work was carried out with 3,9-bis(methylene-2,4,8,10-tetraoxaspiro[5,5] undecane) where R = H (11). However, this monomer contains two electron donor alkoxy groups on one double bond which is thus highly susceptible to a cationic polymerization. For this reason, the monomer is extremely difficult to handle and cannot be analyzed by gas chromatography since it does not survive passage through the column. It is prepared by the dehydrohalogen-ation reaction of the reaction product of pentaerythritol and chloro-acetaldehyde,... 

Initial polymer hydrolysis products are the diol or mixture of diols used in the reaction with the diketene acetal, and pentaerythritol dipropionate, or diacetate if 3,9-bis(methylene-2,4,8,10-tetraoxaspiro-[5,5Jundecane) was used. These pentaerythritol esters hydrolyze at a slower rate to pentaerythritol and the corresponding aliphatic acid (13). 

A few other successful 13C 1-NMR determinations should be mentioned. Hunt et al. [28] used 13C NMR to characterise fractions of extracted analytes of PAG and sorbitan ester samples and identified Irganox 1010. H and 13C NMR have been used to identify the main organic components of a breathable diaper back-sheet as LLDPE and pentaerythritol tetra-octyl ester (PETO) [233]. The equally present AOs Irganox 1010 and Irgafos 168 were not detected without extraction. Barendswaard et al. [234] have reported fully assigned 13C solution spectra of these two antioxidants. Chimas-sorb 944 in a polyamide matrix can be determined by H or 13C 1-NMR using solvents such as formic acid, trifluoroacetic acid or trifluoroethanol [235], Both H and 13C NMR have been used to follow the chemistry of a bis-phenoxidemethylaluminum complex (reaction product of BHT and trimethylaluminum) by exposure in air. Pierre and van Bree [216] also used 13C NMR to... 

When one, or both, of the interactive modules are tetradentate, bi- or tridimensional (3D) architectures can be formed. An example of 2D architecture is the (4,4) network present in the complex diiodoacetylene/Ph4P+ Cl (and the analogous complexes formed by bromide or iodide anions) [194] as well as in the complex l,6-diiodoperfluorohexane/tetrakis(4-pyridyl)pentaerythritol [195]. In all these complexes, the XB acceptor works as the tetradentate tecton sitting at the node of the network and the XB donor works as the linear bidentate module that spaces the nodes. 

Figure 8.1 A schematic representation of the hydroxy-functional hyperbranched polyester Boltorn H20, based on ethoxylated pentaerythritol and 2,2-bis(methylol)propionic acid [10]...

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