Polycat 9 catalyst is a low odor tertiary amine that balances the promotion of urethane and urea reactions in flexible and rigid foam applications.Polycat 9 catalyst acts as a co-catalyst and can be used in conjunction with foaming catalysts and gel catalysts to balance the reaction and provide a smooth rise profile. (newtopchem.com)
A simple, efficient and highly functional group compatible method for the synthesis of propargylamines from terminal alkynes, dichloromethane and tertiary amines using silver catalysts has been developed. (edu.hk)
Health hazards of tertiary amine catalysts. (cdc.gov)
The health hazards of tertiary amine catalysts used in foundry and polyurethane foam manufacturing processes were reviewed and discussed. (cdc.gov)
In foundries, tertiary amine catalysts have been used in the core making processes to increase the rate of reaction between phenolic resins and isocyanates. (cdc.gov)
In polyurethane foam making processes, tertiary amine catalysts have been used to control the rate of reaction of polyfunctional isocyanates and hydroxyl containing polymers. (cdc.gov)
Polyurethane4
Toyocat TE is a tertiary amine-based foaming catalyst that facilitates urea (water-isocyanate) reactions in a variety of hard and soft polyurethane foam applications. (organotin.org)
DABCO BL-17 catalyst is a delayed action tertiary amine polyurethane catalyst designed to modify the initial polyurethane foaming reaction and primarily catalyzes the urethane (isocyanate-water) reaction in soft and rigid polyurethane foaming formulations. (bdmaee.net)
TEDA-A20 is a clear, colorless, low-viscosity liquid tertiary amine catalyst for the production of polyurethane foams. (dmcha.com)
DABCO 25-S catalyst is a polyurethane tertiary amine composed of a solution of 25% triethylenediamine (TEDA) and 75% 1,4-butanediol (BDO). (ohans.com)
Aliphatic2
Most aliphatic amines display some solubility in water, reflecting their ability to form hydrogen bonds. (newworldencyclopedia.org)
Aliphatic amines display significant solubility in organic solvents , especially polar organic solvents. (newworldencyclopedia.org)
Catalyst designed1
CS90 is a tertiary amine catalyst designed for use in chlorinated solvent foamed soft block foams to increase air flow rate, improve foam softening, balance foaming and gelling for improved control, also soluble with other blowing agents. (dpta.vip)
Alcohols3
Thus the boiling point of amines is higher than those for the corresponding phosphines, but generally lower than the corresponding alcohols . (newworldencyclopedia.org)
Industry often relies on green chemistry methods involving alkylation of amines with alcohols, the byproduct being water. (wikipedia.org)
Phosphines1
Similar reactions occur when tertiary phosphines are treated with alkyl halides, the products being phosphonium salts. (wikipedia.org)
Amino3
Disclosed is a fuser member comprising a substrate, a layer thereover comprising a polymer, and, on the polymeric layer, a coating of a release agent comprising polyorganosiloxanes having tertiary amino functional groups on at least some of the molecules thereof. (justia.com)
One embodiment of the present invention is directed to a fuser member comprising a substrate, a layer thereover comprising a polymer, and, on the polymeric layer, a coating of a release agent comprising polyorganosiloxanes having tertiary amino functional groups on at least some of the molecules thereof. (justia.com)
Tertiary amine derivatives are used in water treatments, oil fields, and personal care. (afternoonheadlines.com)
Hydrogen bonding significantly influences the properties of primary and secondary amines as well as the protonated derivatives of all amines. (newworldencyclopedia.org)
Quaternization3
This is usually accomplished by quaternization of the amine with methyl iodide or acetic acid, which upon heating eliminates, resulting in a stable α-ferrocenylethyl cation intermediate. (wikipedia.org)
Design and assembly of new nonviral RNAi delivery agents by microwave-assisted quaternization (MAQ) of tertiary amines. (bvsalud.org)
Here, we report the first design and synthesis of new cholesterol -conjugated cationic lipids for RNAi delivery using microwave -assisted quaternization (MAQ) of tertiary amines . (bvsalud.org)
Amides3
An important exception to this rule is that compounds of the type RC(O)NR 2 , where the C(O) refers to a carbonyl group, are called amides rather than amines. (newworldencyclopedia.org)
Amides and amines have different structures and properties, so the distinction is chemically important. (newworldencyclopedia.org)
Somewhat confusing is the fact that amines in which an N-H group has been replaced by an N-M group (M = metal) are also called amides. (newworldencyclopedia.org)
CO 2 capture by amine scrubbing, which has a high CO 2 capture capacity and a rapid reaction rate, is the most employed and investigated approach to date. (frontiersin.org)
It relies on chemical absorption and more specifically on the chemical reaction between CO 2 and the amine group of the solvent ( Rochelle, 2009 ). (frontiersin.org)
In the Menshutkin reaction , a tertiary amine is converted into a quaternary ammonium salt by reaction with an alkyl halide . (wikipedia.org)
Aromatic6
Flourescence of Aromatic Hydrocarbon-Tertiary Amine Bichromophores. (caltech.edu)
Part II describes the synthesis and fluorescence of several aromatic hydrocarbon-tertiary amine bichromophores. (caltech.edu)
The aromatic ring strongly decreases the basicity of the amine, depending on its substituents. (newworldencyclopedia.org)
Interestingly, the presence of an amine group strongly increases the reactivity of the aromatic ring, due to an electron-donating effect. (newworldencyclopedia.org)
The aromatic amines, such as aniline , have their lone pair electrons conjugated into the benzene ring, thus their tendency to engage in hydrogen bonding is diminished. (newworldencyclopedia.org)
Substituent2
demonstrated that a ferrocene derivative bearing a chiral amine substituent could participate in directed ortho lithiation of the same ring of the ferrocene, yielding products with planar chirality diastereoselectively. (wikipedia.org)
As displayed in the images below, primary amines arise when one of three hydrogen atoms in ammonia is replaced by an organic substituent. (newworldencyclopedia.org)
Aqueous4
Chemical parameters discussed included the basic and nucleophilic properties of the amines and their aqueous and lipid solubilities. (cdc.gov)
There are a number of recent large-scale demonstrations including the Boundary Dam Carbon Capture Project by SaskPower in Canada that have reported successful implementations of aqueous amine solvent in CO 2 capture from flue gases. (frontiersin.org)
While the latest efforts in aqueous amine solvents are exciting and promising, there are still several drawbacks to amine-based CO 2 capture solvents including high volatility and corrosiveness of the amine solutions as well as the high parasitic energy penalty during the solvent regeneration step. (frontiersin.org)
Amine scrubbing using aqueous solutions of monoethanolamine (MEA), diethanolamine (DEA), and methyldiethanolamine (MDEA), represents the most mature technology for post-combustion capture. (frontiersin.org)
Alkylation2
Preparation of Macrocyclic Tertiary Amine Complexes of Nickel(II) by Alkylation of Coordinated Amine. (tmu.edu.tw)
For example, most methyl amines are prepared by alkylation of ammonia with methanol. (wikipedia.org)
Hydrocarbon1
Tertiary amines are an amine having a trivalent group attached to three hydrocarbon groups in the molecule. (afternoonheadlines.com)
Primary1
Primary amines react with ketones such as acetone , and most amines are incompatible with chloroform and carbon tetrachloride. (newworldencyclopedia.org)
Organic3
Amines are organic compounds and a type of functional group that contain nitrogen as the key atom. (newworldencyclopedia.org)
Structurally amines resemble ammonia , wherein one or more hydrogen atoms are replaced by organic substituents such as alkyl and aryl groups. (newworldencyclopedia.org)
Secondary amines have two organic substituents bound to N together with one H. In tertiary amines all three hydrogen atoms are replaced by organic substituents. (newworldencyclopedia.org)
Ugi's amine is a chemical compound named for the chemist who first reported its synthesis in 1970, Ivar Ugi. (wikipedia.org)
The first synthesis of Ugi's amine was reported in 1970 by Ugi, et al. (wikipedia.org)
reported a stereoselective synthesis of Ugi's amine using the same acetylation/displacement strategy, but accesses (1R)-1-ferrocenylethanol from a Corey-Bakshi-Shibata reduction of acetylferrocene. (wikipedia.org)
Ugi's amine has found extensive use in the synthesis of metal binding ligands used in homogeneous catalysis. (wikipedia.org)
Application2
A new delivery method involving seed application of tertiary amines before sowing has shown promise in field trials for multiple crop species (US patent 9464283) (Yokoyama, Chan, Oyama, & Hov, 2015). (unl.edu)
The global tertiary amines market is segmented on the basis of product, application, and end use. (afternoonheadlines.com)
Chemical1
A few players operating in the global tertiary amines market include Eastman Chemical Company, Dow Chemical Company, Indo Amines Ltd, Albemarle Corporation, KLK OLEO, Kao Corporation, Arkema S.A, Solvay S.A., Temix Oleo Srl, and BASF SE. (afternoonheadlines.com)
Properties2
The fluorescence properties of these systems are related to the accessibility of various conformations and possible configurational requirements of amine singlet quenching are discussed. (caltech.edu)
Amine-based reagents exhibit favorable thermodynamic and kinetic properties for CO 2 absorption and are considered affordable since the solvents are already commercially available. (frontiersin.org)
Agents1
It is used both as a curing agent (adhesives applications) and as an activator for the curing agents include amidoamine, amine adducts, and polyamides (coatings, castings, flooring, concrete and adhesives applications). (vanhornmetz.com)
High3
The high diastereoselectivity is independent of the electrophile used to trap the metalate, providing evidence for the stereoinductive step being lithiation and allowing broad synthetic utility of Ugi's amine. (wikipedia.org)
The process is, therefore, impaired by a high parasitic energy penalty since water represents 70-85 wt% of the amine reagent. (frontiersin.org)
Production1
Moreover, In February 2022, Kao Corporation decided to build a new tertiary amine production plant in Pasadena, Texas, the US. (afternoonheadlines.com)
Utility of clinical exome sequencing in the evaluation of neonates with suspected genetic condition - An observational study from tertiary neonatal care unit in South India. (cdc.gov)
Genomics of Black American colon cancer disparities: An RNA sequencing (RNA-Seq) study from an academic, tertiary referral center. (cdc.gov)
Capacity1
For instance, In February 2022, Eastman completed tertiary amine capacity expansions in Ghent (Belgium) and Pace, Florida (the US). (afternoonheadlines.com)
Plant1
Research in the past has shown that a class of plant growth regulators known collectively as substituted tertiary amines have the potential to increase crop productivity, photosynthetic efficiency, and overall plant vigor. (unl.edu)
Report3
Since its first report, Ugi's amine has found extensive use as the synthetic precursor to a large number of metal ligands that bear planar chirality. (wikipedia.org)
Since the original report, other syntheses of Ugi's amine have been reported. (wikipedia.org)
The report highlights key factors driving the tertiary amines market growth and prominent players along with their developments in the market. (afternoonheadlines.com)
Canada1
The North America tertiary amines market is further segmented into the US, Canada, and Mexico. (afternoonheadlines.com)