USE OF NITROGEN COMPOUNDS QUATERNISED WITH ALKYLENE OXIDE AND HYDROCARBYL-SUBSTITUTED POLYCARBOXYLIC ACID AS ADDITIVES IN FUELS AND LUBRICANTS
申请人:BASF SE
公开号:US20160130514A1
公开(公告)日:2016-05-12
The invention relates to the use of quaternized nitrogen compounds as a fuel and lubricant additive or kerosene additive, such as in particular as a detergent additive, for decreasing or preventing deposits in the injection systems of direct-injection diesel engines, in particular in common rail injection systems, for decreasing the fuel consumption of direct-injection diesel engines, in particular of diesel engines having common rail injection systems, and for minimizing the power loss in direct-injection diesel engines, in particular in diesel engines having common rail injection systems; the invention further relates to the use as an additive for petrol, in particular for operation of DISI engines.
general approach for the one-pot hydroaminomethylation of olefinsusing methylformate as formylating agent instead of synthesis gas (syngas) has been proposed. Herein we report that a Ru–Rh catalytic system demonstrates high activity in a tandem conversion of a series of n-alkenes into aminesusing methylformate with yields 58–92% (6 h). The selectivity for the normal amine reached 96% with catalysis by
QUATERNARY AMMONIUM SALT-CONTAINING CATALYST FOR DISSOCIATION OF BLOCKING AGENT AND USE THEREOF
申请人:TOSOH CORPORATION
公开号:US20150344727A1
公开(公告)日:2015-12-03
A catalyst containing a quaternary ammonium salt represented by the following general formula (1) is used as a catalyst for dissociation of a blocking agent.
[In the formula, each of R
1
to R
3
represents an aliphatic hydrocarbon group having 1 to 8 carbon atoms or an aromatic hydrocarbon group having 6 to 14 carbon atoms; R
4
represents an aliphatic hydrocarbon group having 9 to 20 carbon atoms; X represents at least one member selected from the group consisting of a phosphate group, a borate group, a hydrogencarbonate group, a monoalkylcarbonate group and a carbonate group; a is an integer in the range of 1 to 3; and b is an integer in the range of 1 to 3.]
Polystyrene polymers having a quaternized ammonium group and their use in a method of treatment of hypercholesterolaemia. A particular compound of the invention is N,N-dimethyl-N-dodecylammoniomethyl-substituted polystyrene.
Catalyst composition for production of rigid polyurethane foam and isocyanurate-modified rigid polysurethane foam and raw-material composition containing the same
申请人:Tokumoto Katsuml
公开号:US20070112085A1
公开(公告)日:2007-05-17
An object of the present invention is to provide a catalyst for producing a rigid polyurethane foam and an isocyanurate-modified rigid polyurethane foam excellent in storage stability in the case that water is contained as a blowing agent, and a raw material-blended composition using the same. In the present invention, a catalyst composition comprising the following amine compounds of (A) and (B) and/or (C) is used and further, a raw material-blended composition further containing a polyol component and water is used.
(A) A quaternary ammonium salt represented by the following general formula (1):
wherein each of R
1
to R
3
represents a hydrocarbon group having 1 to 12 carbon atoms, R
4
represents an alkyl group or an aromatic hydrocarbon group having 1 to 18 carbon atoms, and X represents an organic acid group having an acid dissociation constant (pKa) of 4.8 or less;
(B) A hydrophobic amine compound; (C) A heterocyclic tertiary amine compound.