摘要:
The present disclosure provides a frameless photo-energy assembly including a photo-energy converter, wherein an edge of the photo-energy converter is sealed by an adhesive tape, comprising an adhering layer for adhesion and cushioning; and an aging-resistant protective layer. The adhering layer is used to contact the edge of an article and comprises: a substrate layer; optionally, a first adhesive layer and a second adhesive layer situated at both sides of the substrate layer oppositely, wherein the first adhesive layer being used to be contact with the article. The aging-resistant protective layer is situated on the adhering layer, which comprises: an optional primer layer, which is situated on the adhering layer; and a film layer, which is situated on either the primer layer or the substrate or the second adhesive layer. The present disclosure further provides an adhesive tape for sealing an edge of an article and an article made of the assembly.
摘要:
Novel N-substituted-aminomethyl cyclopropyl ketone derivatives are represented by following Formula (1): wherein R1, R2 and R3 are each a hydrogen atom or an aliphatic hydrocarbon group; and R4 and R5 are each a hydrogen atom or an arylmethyl group which may have a substituent, where at least one hydrogen atom or aryl group as a substituent is combined with a carbon atom in the methyl moiety of the arylmethyl group, and at least one of R4 and R5 is an arylmethyl group which may have a substituent. These compounds are useful for the preparation of aminomethyl cyclopropyl ketone derivatives and 2-amino-1-cyclopropylethanol derivatives or salts thereof.
摘要:
The present application is directed to a method of making an article. The method comprises coating a composition to a surface of a substrate. The coating composition comprises an aqueous continuous liquid phase, a silica nano-particle dispersed in the aqueous continuous liquid phase, and a polymer latex dispersion. The coated substrate is then heated to at least 300° C.
摘要:
A carbonylation catalytic system comprises (A) a combination of (A1) a Group VIII metal source of Periodic Table of the Elements (e.g., palladium, palladium chloride) supported on a carrier, (A2) a ligand such as triphenylphosphine and (A3) an acid such as an alkyl-sulfonic acid, or (B) a combination of (B1) the Group VIII metal source except for palladium (e.g., a platinum compound), (B2) a ligand such as triphenylphosphine and (B3) an electron donative compound having an electron donability .DELTA..nu.D of not less than 2 (for instance, an amine such as a heterocyclic tertiary amine). The catalytic system (B) may further comprise (B4) an acid such as methanesulfonic acid. In the presence of the catalytic system (A) or (B), an acetylenic or olefinic unsaturated compound is allowed to react with carbon monoxide and a nucleophilic compound having an active hydrogen such as water, an alcohol and a carboxylic acid in a liquid phase to give an unsaturated or saturated carboxylic acid or an ester thereof with high transformation rate and selectivity.
摘要翻译:羰基化催化体系包括(A)负载在载体上的(A1)元素周期表第Ⅷ族金属源(例如钯,氯化钯),(A2)配体如三苯基膦和(A3) 一种酸如烷基磺酸,或(B)除了钯(例如铂化合物)之外的(B1)第Ⅷ族金属源,(B2)配体如三苯基膦和(B3)电子的组合 具有不小于2的电子偶联性DELTA nu D的助孕化合物(例如,胺如杂环叔胺)。 催化体系(B)还可以包含(B4)酸,例如甲磺酸。 在催化体系(A)或(B)的存在下,允许炔属或烯属不饱和化合物与一氧化碳和具有活性氢的亲核化合物如水,醇和羧酸在液相中反应 得到具有高转化率和选择性的不饱和或饱和羧酸或其酯。
摘要:
The present application is directed to a method of making an article. The method comprises coating a composition to a surface of a substrate. The coating composition comprises an aqueous continuous liquid phase, a silica nano-particle dispersed in the aqueous continuous liquid phase, and a polymer latex dispersion. The coated substrate is then heated to at least 300° C.
摘要:
There is provided a coating composition comprising nonspherical nanoparticles; spherical nanoparticles; optionally hydrophilic groups and optional an surfactant; and a liquid medium comprising water and no greater than 30 wt % organic solvent, if present, based on the total weight of liquid medium, where at least a portion of the nonspherical nanoparticles or at least a portion of the spherical nanoparticles comprises functional groups attached to their surface through chemical bonds, wherein the functional groups comprise at least one group selected from the group consisting of epoxy group, amine group, hydroxyl, olefin, alkyne, (meth) acrylato, mercapto group, or combinations thereof. There is also provided a method for modifying a substrate surface using the coating composition and articles made therefrom.
摘要:
A process produces an optically active amine or its salt and includes the steps of reacting a ketone of Formula (1a): wherein R1 is typically an unsubstituted or substituted hydrocarbon group; and R2a is typically a hydrocarbon group having at least one oxo group and optionally having other substituent, with an optically active amine of Formula (2): wherein R3 is an unsubstituted or substituted aryl group; R4 is an unsubstituted or substituted lower alkyl group; and C1 is an asymmetric carbon atom, in the presence of an organic acid to thereby yield a corresponding optically active imine, hydrogenating the imine in the presence of a catalyst to yield a corresponding amine, subjecting the amine or its salt to hydrogenolysis in the presence of a catalyst, and reducing the hydrogenolyzed product with a reducing agent.
摘要:
A process includes allowing a &bgr;-ketoester derivative represented by following Formula (1): wherein R1 is a hydrogen atom or a hydrocarbon group; and R2 is a hydrocarbon group, to react with 1,2-dichloroethane and there by produces a 1-acyl-1-cyclopropanecarboxylate derivative represented by following Formula (2): wherein R1 and R2 have the same meanings as defined above.
摘要:
A novel 3-acetyl-N-substituted-3-aminomethyltetrahydrofuran-2-one derivative is represented by following Formula (1): wherein R1, R2 and R3 are the same or different and are each a hydrogen atom or an aliphatic hydrocarbon group; and R4 and R5 are the same or different and are each a hydrogen atom or an arylmethyl group which may have a substituent, where at least one of R4 and R5 is an arylmethyl group which may have a substituent. This compound can be prepared by aminomethylating an 3-acetyltetrahydrofuran-2-one derivative represented by following Formula (2): wherein R1, R2 and R3 have the same meanings as above, by a reaction with formaldehyde or a polymer thereof and a primary or secondary amine represented by following Formula (3): wherein R4 and R5 have the same meanings as above.
摘要翻译:新型3-乙酰基-N-取代-3-氨基甲基四氢呋喃-2-酮衍生物由下式(1)表示:其中R1,R2和R3相同或不同,各自为氢原子或脂族烃基; R 4和R 5相同或不同,各自为氢原子或可具有取代基的芳基甲基,其中R 4和R 5中的至少一个为可具有取代基的芳基甲基。 该化合物可以通过与下列通式(2)表示的3-乙酰基四氢呋喃-2-酮衍生物氨基甲基化来制备:其中R1,R2和R3具有与上述相同的含义,通过与甲醛或其聚合物和伯或 由下式(3)表示的仲胺:其中R4和R5具有与上述相同的含义。
摘要:
The present disclosure provides a frameless photo-energy assembly including a photo-energy converter, wherein an edge of the photo-energy converter is sealed by an adhesive tape, comprising an adhering layer for adhesion and cushioning; and an aging-resistant protective layer. The adhering layer is used to contact the edge of an article and comprises: a substrate layer; optionally, a first adhesive layer and a second adhesive layer situated at both sides of the substrate layer oppositely, wherein the first adhesive layer being used to be contact with the article. The aging-resistant protective layer is situated on the adhering layer, which comprises: an optional primer layer, which is situated on the adhering layer; and a film layer, which is situated on either the primer layer or the substrate or the second adhesive layer. The present disclosure further provides an adhesive tape for sealing an edge of an article and an article made of the assembly.