tetraethylenepentamine

tetraethylenepentamine

[¦te·trə¦eth·ə‚lēn′pent·ə‚mēn]
(organic chemistry)
C8H23N2 A toxic, viscous liquid with a boiling point of 333°C and a freezing point of -30°C; soluble in water and organic solvents; used as a motor oil additive, in the manufacture of synthetic rubber, and as a solvent for dyes, acid gases, and sulfur.
References in periodicals archive ?
The goal of this work was to study the impact of epoxy networks' molecular architecture on the thermal and mechanical properties caused by different aliphatic amines with relatively high functionality, such as triethylenetetramine (TETA), tetraethylenepentamine (TEPA), and flexible segments (--OC[H.
The main reason behind price hike is to recover higher raw material costs, including the recent price hikes on tetraethylenepentamine, triethylenetetramine, and polyetheramines.
The price increases are necessary to recover higher operating and raw material costs, including recent price increases for tetraethylenepentamine (TEPA).
Graft-copolymerization of the DPNR latex was carried out with styrene or acrylonitrile as a monomer, using tert-butyl hydroperoxide with tetraethylenepentamine as an initiator.
offers Bakelite epoxy curing agents, which include N-aminoethyl piperazine, diethylenetriamine, triethylenetotramine and tetraethylenepentamine.
com), a leader in the development of stem cell expansion products for the treatment of cancer and autoimmune diseases, as well as cardiac and pancreatic repair, announced today the publication of MS# 03229 - The Linear Polyamine Copper Chelator Tetraethylenepentamine Augments Long-Term Ex-Vivo Expansion of Cord Blood Derived CD34+ Cells and Increases Their Engraftment Potential in NOD/SCID Mice in the June issue of Experimental Hematology.
The increase is necessary to offset higher raw materials costs, including recent price increases on tetraethylenepentamine, triethylenetetramine, and polyetheramines.
Grafting reactions were done in a 1-L glass reactor at 2[degrees]C to DMAEMA and at 50[degrees]C to MMA; the initiators used were cumene hydroperoxide and tetraethylenepentamine.
offers Bakelite epoxy curing agents, which include Naminoethyl piperazine, diethylenetriamine, triethylenetetramine and tetraethylenepentamine.
com), announced today the publication of The Effect of Tetraethylenepentamine, a Synthetic Copper Chelating Polyamine, on Expression of CD34 and CD38 Antigens on Normal and Leukemic Hematopoietic Cells, in the March issue of Leukemia and Lymphoma, Vol.
They both consisted of a DGEBA based low-molecular-weight epoxy resin, EC 57 (172-182 g/equiv), stoichiometrically mixed with two different hardeners: (i) a polyamide-amine curing agent, K63 (derived from the partial reaction of tetraethylenepentamine with fatty acids; 88-91 g/equiv); (ii) an amine curing agent, K21 (pentaetyhlenehexamine; 45 g/equiv).
Bakelite epoxy curing agents include Naminoethyl piperazine, diethylenetriamine, triethylenetetramine and tetraethylenepentamine.