Neubert, M. E.; Keast, S. S.; Dixon-Polverine, Y., Molecular Crystals and Liquid Crystals Science and Technology, Section A: Molecular Crystals and Liquid Crystals, 1994, vol. 250, p. 109 - 124
Neubert, M. E.; Keast, S. S.; Dixon-Polverine, Y., Molecular Crystals and Liquid Crystals Science and Technology, Section A: Molecular Crystals and Liquid Crystals, 1994, vol. 250, p. 109 - 124
[EN] A PROCESS FOR THE PREPARATION OF TRIAZINE INTERMEDIATES AND A PROCESS FOR THE PREPARATION OF UV ABSORBERS THEREOF<br/>[FR] PROCÉDÉ DE PRÉPARATION D'INTERMÉDIAIRES DE TRIAZINE ET PROCÉDÉ DE PRÉPARATION D'ABSORBEURS UV ASSOCIÉS
申请人:BASF SE
公开号:WO2020144093A1
公开(公告)日:2020-07-16
The presently claimed invention relates to a novel, highly efficient and general process for the preparation of the triazine intermediates and their use in the preparation of UV absorbers.
目前所声称的发明涉及一种新颖、高效和通用的三嗪中间体制备过程及其在制备紫外线吸收剂中的应用。
POLYISOCYANATE COMPOSITION AND ISOCYANATE POLYMER COMPOSITION
申请人:Asahi Kasei Chemicals Corporation
公开号:EP2915803A1
公开(公告)日:2015-09-09
The present invention relates to a polyisocyanate composition comprising, on the basis of the total mass of the polyisocyanate composition, 97 weight % or more of a polyisocyanate, and 2.0 mass ppm or more and 1.0×104 mass ppm or less of a compound having at least one unsaturated bond in which the compound is a different compound from the polyisocyanate, or 5.0 mass ppm or more and 2.0×104 mass ppm or less of at least one inactive compound selected from the group consisting of a hydrocarbon compound, an ether compound, a sulfide compound, a halogenated hydrocarbon compound, a Si-containing hydrocarbon compound, a Si-containing ether compound, and a Si-containing sulfide compound.
ISOCYANATE COMPOSITION, PRODUCTION METHOD FOR ISOCYANATE COMPOSITION, AND PRODUCTION METHOD FOR ISOCYANATE POLYMER
申请人:ASAHI KASEI KABUSHIKI KAISHA
公开号:EP3527593A1
公开(公告)日:2019-08-21
An isocyanate composition according to the present invention contains an isocyanate compound of formula (1) and/or (2) (wherein R1 represents a hydrogen or a monovalent organic group, and R2 represents a monovalent organic group), and, relative to the total mass of the isocyanate compound in the composition, 1.0 ppm by mass to 10% by mass of a compound of formula (3): R13-(COO-R14)a (wherein R13 represents an organic group with a valence of a, R14 represents a monovalent organic group, and a represents an integer of 1 or 2), which is different from the isocyanate compound, and/or, 1.0 ppm by mass to 10% by mass of a compound having an UV absorption in an area of decamer or higher isocyanates in a measurement spectrum of gel permeation chromatography.
ISOCYANATE COMPOSITION, ISOCYANATE POLYMER PRODUCTION METHOD, AND ISOCYANATE POLYMER
申请人:ASAHI KASEI KABUSHIKI KAISHA
公开号:EP3527603A1
公开(公告)日:2019-08-21
The present invention provides an isocyanate composition including an isocyanate compound having an ethylenically unsaturated bond, a compound represented by formula (1) (in the formula, R1 represents an a-valent organic group, R2 represents a monovalent organic group, a represents an integer of 1 or 2), and/or a compound having a UV absorption in a spectral region of a decamer or higher isocyanate measured by gel permeation chromatography; and an isocyanate composition including an isocyanate compound having an ethylenically unsaturated bond, or a compound having at least one unsaturated bond other than an unsaturated bond constituting an aromatic ring or an inert compound such as a hydrocarbon compound or the like and having a carbon-carbon unsaturated bond other than an unsaturated bond constituting an aromatic ring; or the like.
R1-(COO-R2)a (1)
ISOCYANATE COMPOSITION AND PRODUCTION METHOD FOR ISOCYANATE POLYMER
申请人:ASAHI KASEI KABUSHIKI KAISHA
公开号:EP3527600A1
公开(公告)日:2019-08-21
An isocyanate composition according to the present invention contains: a difunctional or more-functional isocyanate compound; and 1.0 ppm by mass to 1.0 × 104 ppm by mass, based on the isocyanate compound, of a compound having at least one unsaturated bond excluding unsaturated bonds constituting an aromatic ring, the compound being different from the isocyanate.