Abstract:
An iron-containing polymer is provided for use as a fuel additive for promoting trap regeneration. The polymer shows a beneficial balance of physical properties, and is prepared from iron salts by a polymerization process involving base addition, and subsequent co-ordination of branched-chain polycarboxylate ligands. The polymer can be stored in highly concentrate form, and shows particular suitability for on board dosing systems.
Abstract:
An iron-containing polymer is provided for use as a fuel additive for promoting trap regeneration. The polymer shows a beneficial balance of physical properties, and is prepared from iron salts by a polymerisation process involving base addition, and subsequent coordination of branched-chain polycarboxylate ligands. The polymer can be stored in highly concentrate form, and shows particular suitability for on board dosing systems.
Abstract:
The invention relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer, wherein the recording layer comprises a compound of formula (I),(II),(III); wherein R1, to R13, may be hydrogen or a variety of substituents, but R1, and R11 are not simultaneously hydrogen;Ym− is an inorganic, organic or organometallic anion, or a mixture thereof; Zn+ is a proton or a metal, ammonium or phosphonium cation, or a mixture thereof; m, n and o are each independently of the others an integer from 1 to 3; and p and q are each a number from 0 to 4, the ratio of o, p and q to one another, depending on the charge of the associated sub-structures, being such that there is no excess positive or negative charge in formula (I), (II) or (III). Also claimed are the use of a xanthene perchlorate in the preparation of compounds of formula (I), (II) or (III) having organometallic anions, and the use of lactates in the application of layers of dye to grooved substrates by spin-coating.
Abstract translation:本发明涉及一种包括基底,反射层和记录层的光学记录介质,其中记录层包括式(I),(II),(III)的化合物; 其中R 1至R 13可以是氢或各种取代基,但R 1和R 11都可以是氢, SUB>不同时为氢; Y为无机,有机或有机金属阴离子或其混合物; Z + N +是质子或金属,铵或鏻阳离子或其混合物; m,n和o各自独立地为1〜3的整数; 并且p和q各自为0至4的数,根据相关子结构的电荷,o,p和q彼此的比例使得在式(1)中不存在过量的正电荷或负电荷 I),(II)或(III)。 还要求的是使用高氯酸呫吨酯来制备具有有机金属阴离子的式(I),(II)或(III)化合物,以及使用乳酸盐通过旋涂将染料层施加到凹槽基材上 。
Abstract:
A fuel oil composition comprises a fuel oil in a major amount, which fuel oil has a mass % against n-alkane carbon number distribution curve characterised by: (i) a maximum negative gradient from carbon number 18 to carbon number 26 that is less than −0.30; and (ii) a ratio of the mass of n-alkanes of carbon number greater than 22 to the mass of n-alkanes from carbon number 18 to carbon number 21 that does not exceed 0.25; and an additive in a minor amount, which additive comprises at least one ethylene polymer which, in addition to units derived from ethylene, comprises units of the formula (I): and, optionally, units of the formula (II): wherein each R1 group and each R2 group independently represents hydrogen or methyl; each R3 group independently represents an alkyl group having 5 or more carbon atoms; and each R4 group independently represents an alkyl group having from 1 to 4 carbon atoms, and wherein the proportion of units of formula (I) in the or each ethylene polymer is greater than 13 and not greater than 20 mole percent, and the total proportion of units of formula (I) and of formula (II) in the or each ethylene polymer is greater than 13 and not greater than 25 mole percent.
Abstract:
The present invention relates to a process for the preparation of diketopyrrolopyrroles of the formula (I), wherein A1, A2, A3 and A4 are as defined in the description of the present invention, to new diketopyrrolopyrroles of the general formula I obtainable by the process, and the use of the new diketopyrrolopyrroles of the general formula I for the preparation of inks, colorants, pigmented plastics for coatings, non-impact-printing material, color filters, cosmetics, polymeric ink particles, toners, dye lasers and electroluminescent devices, or as fluorescent markers for immunoassays and fluorescent tracers for leak detection of fluids. Furthermore the present invention relates to diketopyrrolopyrrole analogues of the general formula (II), wherein A1, A2 and A3 are defined in the description of the present invention, which are intermediates in the process for the preparation of diketopyrrolopyrroles of the formula I and can be used as crystal growth regulators
Abstract:
The present invention relates to fluorescent diketopyrrolopyrrole analogues of the general formula (I), wherein A1 and A2 are C1–C18alkyl, C2–C18alkenyl, C2–C18alkynyl, C5–C8cycloalkyl, C5–C8cycloalkenyl, aryl or heteroaryl, A3 and A4 are independently of each other C1–C18alkyl, Ar3, —CR30R31—(CH2)m—Ar3, or Y—R32, wherein R30 and R31 independently of each other stand for hydrogen or C1–C4alkyl, or phenyl which can be substituted up to three times with C1–C3alkyl, Ar3 stands for aryl, in particular phenyl or 1- or 2-naphthyl, C5–C8cycloalkyl, in particular cyclohexyl, or heteroaryl, which can be substituted one to three times with C1–C8alkyl, C1–C8alkoxy, halogen or phenyl, which can be substituted with C1–C8alkyl or C1–C8alkoxy one to three times, and m stands for 0, 1, 2, 3 or 4, Y is C(O)— or SO2— and R32 is C1–C18alkyl, Ar3, or aralkyl and A3 can additionally be hydrogen, C1–C8alkyloxycarbonyl, such as tertbutoxycarbonyl, or aralkyloxycarbonyl, such as benzyloxycarbonyl, a process for their preparation and their use for the preparation of inks, colourants, pigmented plastics for coatings, non-impact printing material, colour filters, cosmetics, polymeric ink particles, toners, dye lasers and electroluminescent devices, or as fluorescent markers for immunoassays and fluorescent tracers for leak detection of fluids. The diketopyrrolopyrrole analogues of the general formula I show a high solid state fluorescence
Abstract:
The present invention is aimed at a method of providing wettability to polyester fibers or filaments, to woven or nonwoven fabrics made therefrom and to resultant articles of manufacture. The method comprises melt extruding a mixture comprising a polyester and one or more alkyl metal sulfonates where the metal is Na, Li or K and the alkyl is straight or branched chain alkyl of 12 to 15 carbon atoms, or is straight or branched chain alkenyl of 12 to 18 carbon atoms. The alkyl metal sulfonates are present from about 2% to about 5% by weight based on the weight of the polyester. A post treatment step such as an alkaline treatment step is not included. The melt extrusion mixtures do not include certain additives such as polyoxyalkylene compounds, alkylmonoethonolamide compounds, alkyldiethanolamine compounds and polyetheramide compounds.
Abstract:
The present invention relates to a process for the preparation of furopyrroles of general formula (I), comprising (a) heating a compound of the formula (II) under microwave irradiation optionally in the presence of an inert solvent, wherein A1 and A2 are C1-C18alkyl, C2-C18alkenyl, C2-C18alkynyl, C5-C8cycloalkyl, C5-C8cycloalkenyl, aryl or heteroaryl, A3 is hydrogen, C1-C18alkyl, cyanomethyl, Ar3, —CR30R31—(CH2)m—Ar3 or Y—R32, wherein R30 and R31 independently of each other stand for hydrogen or C1-C4alkyl, or phenyl which can be substitute up to three times with C1-C4alkyl, Ar3 stands for aryl, C5-C8 cloalkyl, C5-C8cycloalkenyl or heteroaryl, which can be substituted one to three times with C1-C8alkyl, C1-C8alkoxy, halogen or phenyl, which can be substituted with C1-C8alkyl or C1-C8alkoxy one to three times, and m stands for 0, 1, 2, 3 or 4, R is C1-C18alkyl, in particular C1-C4alkyl, aryl, in particular phenyl, or aralkyl, in particular benzyl, which can be substituted one to three times with C1-C8alkyl, C1-C8alkoxy, or halogen, Y is —C(O)—, —C(O)O—, —C(O)NH—, —SO2NH— or —SO2— and R32 is C1-C18alkyl, Ar3, or aralkyl. The furopyrroles of the general formula (I) can be can be obtained in high yield and high purity by the process of the present invention.
Abstract:
An additive composition comprises at least one polyoxyalkylene compound and at least one ethylene polymer, wherein the at least one ethylene polymer, in addition to units derived from ethylene, comprises units of the formula (I): and optionally, units of the formula (II): wherein each R1 group independently represents hydrogen or methyl; wherein each R2 group independently represents an alkyl group having 5 or more carbon atoms; wherein each R3 group independently represents hydrogen or methyl; wherein each R4 group independently represents an alkyl group having between 1 and 4 carbon atoms; wherein the proportion of units of formula (I) in the ethylene polymer is between 16 and 30 mol %; and wherein the total proportion of units of formula (I) and formula (II) in the ethylene polymer is between 19 and 30 mol %. The composition is particularly suitable for improving the low temperature properties of fuels having sharp distillation tails and low final boiling points.
Abstract:
Cosmetic or personal care compositions which comprise at least one fluorescent colorant other than white and at least one non-fluorescent colorant, are useful in preparing colored cosmetic or personal care preparations providing an enhanced skin appearance.