Aromatic block copolymer, decomposition method thereof and...

C - Chemistry – Metallurgy – 08 – G

Patent

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C08G 75/23 (2006.01) C08G 65/34 (2006.01) C08G 81/00 (2006.01) G01N 30/88 (2006.01)

Patent

CA 2656392

Disclosed is a method for decomposing an aromatic block copolymer, which is characterized in that the aromatic block copolymer contains a segment 1 represented by the general formula (1) below and a segment 2 composed of a structural unit represented by the general formula (2) below and/or a structural unit represented by the general formula (3) below, and the segment 2 is chemically decomposed. Also disclosed are an analysis method using the decomposition method, and an aromatic block copolymer determined by the method. (1) (2) (3) (The symbols in the formulae are as defined in claims.)

L'invention concerne un procédé de décomposition d'un copolymère séquencé aromatique, caractérisé en ce que le copolymère séquencé aromatique contient un segment 1 représenté par la formule générale (1) ci-dessous et un segment 2 composé d'une unité structurale représentée par la formule générale (2) ci-dessous et/ou d'une unité structurale représentée par la formule générale (3) ci-dessous, le segment 2 étant décomposé chimiquement. L'invention concerne également un procédé d'analyse utilisant le procédé de décomposition et un copolymère séquencé aromatique déterminé par le procédé. (1) (2) (3) (Les symboles dans les formules sont tels que définis dans les revendications.)

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