POLYMERE AND POLYMER COMPOSITIONS

IMPROVEMENTS IN POLYMERS

A sulphur-free polymer comprising structural units of formula (I) and structural units of formula (II): (see formula I) (see formula II) wherein R1 represents a C8 to C22 alkyl group, preferably a C12 to C16 alkyl group; wherein R2 is hydrogen or methyl; wherein R3 represents -R5(OR6)n OR7 ; wherein R5 and R6 may be the same or different and independently represent a linear or branched C1 to C8 alkylene group; wherein n is an integer from 1 to 20; wherein R7 represents a C1 to C4 alkyl group; wherein R4 is hydrogen or methyl; and wherein the molar ratio of structural units (I): structural units (II) in the polymer is in the range from 100:1 to 2:1. The polymers improve the low-temperature properties of fuel oils from petroleum sources, those from vegetable or animal sources, and mixtures of these fuel oils.

Liquid crystalline optionally laterally fluorinated terphenyl with chiral 3,4-di[(un)saturated-alkoxy]butoxy or 1,4-di[(un)saturated-alkoxy]but-2-oxy terminus

The invention relates to terphenyl compounds having the general formula [1]:- where each of R1 and R2 is the same or different and is selected from the group consisting of:-alkyl, alkyloxy, alkylthio, alkenyl, alkenyloxy, alkenylthio, alkynyl, alkynyloxy, alkynylthio, where * indicates an asymmetric carbon atom,
provided that at least one of R1 and R2 is and where each of R3 and R4 is the same or different and is an alkyl, alkenyl or alkynyl group; and Z is independently selected from hydrogen and fluorine at each of the four lateral terphenyl carbons in each ring. The compounds are suitable for use in liquid crystal compositions.

BENZOFURAN COMPOUNDS THEIR PREPARATION AND THEIR USE IN ELECTROLUMINESCENT AND PHOTOVOLTAIC DEVICES

A method of preparing a branched benzofuran compound comprising a core moiety which contains at least one aromatic ring and which has at least three substituted or unsubstituted beuzofuran groups covalently linked thereto comprises the steps of

1-Methyl-2-oxaalkoxy derivatives in thermochromic liquid crystalline compositions and surface thermography

The invention relates to the use of 1-methyl-2-oxaalkoxy derivatives of the formula I <IMAGE> [wherein R<1>, R<2> <IMAGE> Z, X1, Q, o and m have the meaning given in claim 1] as components of thermochromic liquid crystalline compositions and the use of a thin film of such compounds (or a liquid crystalline phase containing such compounds) in a method of surface thermography. Subclasses of compounds of formula I are claimed per se (see claims 2-4).

Terphenylverbindungen

ADDITIVES AND LUBRICATING OIL COMPOSITIONS CONTAINING SAME

Para-alkylated substituted diphenylamines are made by catalytically alkylating diphenylamine with a branched-chain alkene, such as propene, oligomer mixture in which the oligomer present in the greatest percentage has 15-24 carbon atoms. The alkylated diphenylamines are useful crankcase lubricant additives such as for reducing piston deposits and engine sludge.

IMPROVEMENTS IN POLYMERS

Ter-polymers are higher polymers comprising as structural units, units of formula I, units of formula II and units of either formula IIIa or formula IIIb: (see formula I) (see formula II) (see formula IIIa) (see formula IIIb) and optionally and optionally, structural units of formula VII: (see formula VII) The polymers improve the low-temperature properties of fuel oils from petroleum sources and especially from vegetable or animal sources.

IMPROVEMENTS IN POLYMERS

Ter-polymers are higher polymers comprising as structural units, units of formula I, units of formula II and units of either formula IIIa or formula IIIb: (see formula I) (see formula II) (see formula IIIa) (see formula IIIb) and optionally and optionally, structural units of formula VII: (see formula VII) The polymers improve the low-temperature properties of fuel oils from petroleum sources and especially from vegetable or animal sources.

IMPROVEMENTS IN POLYMERS

A sulphur-free polymer comprising structural units of formula (I) and structural units of formula (II): (see formula I) (see formula II) wherein R1 represents a C8 to C22 alkyl group, preferably a C12 to C16 alkyl group; wherein R2 is hydrogen or methyl; wherein R3 represents -R5(OR6)n OR7 ; wherein R5 and R6 may be the same or different and independently represent a linear or branched C1 to C8 alkylene group; wherein n is an integer from 1 to 20; wherein R7 represents a C1 to C4 alkyl group; wherein R4 is hydrogen or methyl; and wherein the molar ratio of structural units (I): structural units (II) in the polymer is in the range from 100:1 to 2:1. The polymers improve the low-temperature properties of fuel oils from petroleum sources, those from vegetable or animal sources, and mixtures of these fuel oils.

ADDITIVES AND LUBRICATING OIL COMPOSITIONS CONTAINING SAME

Para-alkylated substituted diphenylamines are made by catalytically alkylating diphenylamine with a branched-chain alkene, such as propene, oligomer mixture in which the oligomer present in the greatest percentage has 15-24 carbon atoms. The alkylated diphenylamines are useful crankcase lubricant additives such as for reducing piston deposits and engine sludge.

BENZOFURAN COMPOUND

PURPOSE: Provided is a branched benzofuran compound which is suitable for charge transport and emission inorganic electroluminescent devices and organic lasers. The compounds also have potential use in photovoltaic devices and organic thin film transistors. CONSTITUTION: A method for preparing a branched benzofuran compound comprising a core moiety which contains at least one aromatic ring and which has at least three substituted or unsubstituted benzofuran groups covalently linked thereto, is characterized by comprising the steps of (i) forming an intermediate ethynylene compound in which at least three benzene rings are each linked to the core moiety via an ethynylene bond, and where each benzene ring is substituted at the ortho position (relative to the position of the ethynylene bond) by a blocked carbonyloxy group, (ii) deblocking the carbonyloxy groups, and (iii) effecting ring closure by reaction between the deblocked carbonyloxy groups and the adjacent ethynylene bonds to form the ...

1-Methyl-2-oxaalkoxy-derivatives

FLÜSSIGKRISTALLVERBINDUNGEN, -MISCHUNGEN UND -VORRICHTUNGEN

POLYMER EFFECTIVE IN THE IMPROVEMENT OF LOW-TEMPERATURE CHARACTERISTIC OF FUEL OIL, A FUEL OIL COMPOSITION CONTAINING THE POLYMER, AND USE OF THE POLYMER

PURPOSE: A polymer is provided to improve low temperature characteristics of fuel oil from oil resources, especially vegetable or animal resources. CONSTITUTION: A polymer comprises a structure unit of chemical formula (I), a structure unit of chemical formula (II), a structure unit of chemical formula (IIIa) or (IIIb), and arbitrarily a structure unit of chemical formula (VII). The fuel oil composition comprises the polymer. The fuel oil includes fatty acid alkyl ester prepared from oil induced from animal or vegetable materials. The additive concentrate comprises a polymer and a miscible solvent or carrier. COPYRIGHT KIPO 2011 ...

Terphenylverbindungen

NOVEL TERPHENYL COMPOUND

PURPOSE: Provided is a novel terphenyl compound which has useful chiral liquid crystalline properties and is suitable for use in liquid crystal compositions. CONSTITUTION: The novel terphenyl compound is represented by formula 1. In the formula 1, each of R1 and R2 is the same or different and selected from the group consisting of alkyl, alkyloxy, alkenyl, alkenyloxy, alkynyl, alkynyloxy, alkylthio, alkenylthio, alkynylthio, and(where * indicates an asymmetric carbon atom), with the proviso that at least one of R1 and R2 is and ,each of R3 and R4 is the same or different and is an alkyl, alkenyl or alkynyl group, and Z is independently selected from hydrogen and fluorine at each terphenyl carbon. © KIPO 2002 ...

SULFUR-FREE POLYMER WHICH IS SUITABLE FOR USING A MIXTURE OF BIODIESEL OIL AND PETROLEUM-DERIVED FUEL OIL AND EFFECTIVE FOR IMPROVING LOW-TEMPERATURE PROPERTIES OF FUEL OIL

PURPOSE: A sulfur-free polymer is provided to improve low-temperature properties of a fuel oil, a fuel oil from plant or animal supply source, and a mixture of the fuel oil. CONSTITUTION: A sulfur-free polymer comprises a unit structure indicated in chemical formula 1 and chemical formula 2. In the polymers the molar ratio of the unit structures indicated in chemical formula 1 and chemical formula 2 is 100:1 - 2:1. In the chemical formulas, R^1 is a C8-22 alkyl group, preferably a C12-C16 alkyl group, R^2 is hydrogen or methyl, R^3 is -R^5(OR^6)nOR^7, R^5 and R^6 are the same or different, and are linear or branched C1-C8 alkylene group, n is an integer from 1-30, R^7 is C1-C4 alkyl group, and R^4 is hydrogen or methyl. COPYRIGHT KIPO 2013 ...

IMPROVEMENT IN POLYMERS

A ternary copolymer of the present invention is a high quality polymer, which comprises as a structural unit: a unit of chemical formula (I); a unit of chemical formula (II); a unit of chemical formula (IIIa) or (IIIb); and a unit of chemical formula (VII) arbitrarily, wherein the polymer improves high-temperature properties of fuel oil from oil resources, especially animal or vegetable materials. COPYRIGHT KIPO 2017 ...

FLÜSSIGKRISTALLVERBINDUNGEN, -MISCHUNGEN UND -VORRICHTUNGEN

Improvements in polymers

The invention relates to improvements in polymers, wherein a terpolymer is a polymer having structural units, units of formula I, units of formula II and units of either formula IIIa or formula IIIb: The polymer improves the low-temperature properties of fuel oils from petroleum sources and especially from vegetable or animal sources.

BENZOFURAN COMPOUND

(57)【要約】 【課題】 エレクトロルミネッセンス材料のコアを変更 することによって、発光色と、高デバイス効率と高寿命 エレクトロルミネッセンス材料を提供すること。 【解決手段】 本発明の中間体エチニレン化合物を調製 する方法は、少なくとも１つの芳香環を含むコア部分お よびこれに共有結合した少なくとも３つの置換または非 置換のベンゾフラン基を含み、中間体エチニレン化合物 において、少なくとも３つのベンゼン環が各々コア部分 にエチニレン結合を介して結合し、各ベンゼン環が、オ ルト位においてブロックされたカルボニルオキシ基によ って置換されている工程、カルボニルオキシ基を脱ブロ ックする工程、上記脱ブロックされた基と隣接するエチ ニレン結合との間の反応によって環化反応を行い、ベン ゾフラン基のフラン環を形成することによって、分枝鎖 ベンゾフラン化合物を生成する工程を包含する。

Additives and lubricating oil compositions containing same

Para-alkylated substituted diphenylamines are made by catalytically alkylating diphenylamine with a branched-chain alkene, such as propene, oligomer mixture in which the oligomer present in the greatest percentage has 15-24 carbon atoms. The alkylated diphenylamines are useful crankcase lubricant additives such as for reducing piston deposits and engine sludge.

NEW TERPHENYL COMPOUND

PROBLEM TO BE SOLVED: To provide a new terphenyl compound preferably having a useful chiral liquid crystal property. SOLUTION: This terpenyl compound is represented by the general formula (1) (R1 and R2 are each the same or different and selected from the group consisting of alkyl, alkyloxy, alkenyl, alkenyloxy, alkynyl, alkynyloxy, alkylthio, alkenylthio and alkynylthio groups and the like; and Z is selected from H and F based on each terphenyl carbon independently). An example of the general formula (1) is 1,2-(S)-dimethoxy-(4"-octyloxyterphenyl-4-oxy)butane. COPYRIGHT: (C)2002,JPO ...

Additives and lubricating oil compositions containing same

Para-alkylated substituted diphenylamines are made by catalytically alkylating diphenylamine with a branched-chain alkene, such as propene, oligomer mixture in which the oligomer present in the greatest percentage has 15-24 carbon atoms. The alkylated diphenylamines are useful crankcase lubricant additives such as for reducing piston deposits and engine sludge.

Liquid crystal compounds, mixtures and devices

According to this invention there are provided compounds having general formula (I), in which A1 is selected from alkyl, alkoxy or alkenyl; X1, X2, X3 and X4 are independently selected from the halogen group; m, n, p and q are independently 0, 1, 2, 3 or 4 such that m+n+p+q ¸ 0; Y is selected from O and COO; A2 is an end group of formula (II), where Z is selected from halogen, CH3, CN, CF3, CHF2; R is a linear or branched alkyl group or H; R1 is a linear or branched alkyl group or H.

Liquid crystal compounds, mixtures and devices

According to this invention there are provided compounds having general formula (I), in which A1 is selected from alkyl, alkoxy or alkenyl; X1, X2, X3 and X4 are independently selected from the halogen group; m, n, p and q are independently 0, 1, 2, 3 or 4 such that m+n+p+q NOTEQUAL 0; Y is selected from O and COO; A2 is an end group of formula (II), where Z is selected from halogen, CH3, CN, CF3, CHF2; R is a linear or branched alkyl group or H; R1 is a linear or branched alkyl group or H.

Additives and lubricating oil compositions containing same

Para-alkylated substituted diphenylamines are made by catalytically alkylating diphenylamine with a branched-chain alkene, such as propene, oligomer mixture in which the oligomer present in the greatest percentage has 15-24 carbon atoms. The alkylated diphenylamines are useful crankcase lubricant additives such as for reducing piston deposits and engine sludge.

Polymer und polymerzusammensetzungen