cas 36888-99-0, Pigment Yellow 139 | Articles data

Articles about 36888-99-0Total 4 be found

COMPOUND, COLORANT DISPERSED SOLUTION, PHOTOSENSITIVE RESIN COMPOSITION, PHOTOSENSITIVE MATERIAL, COLOR FILTER AND DISPLAY DEVICE
The present specification provides a compound represented by chemical formula 1. A colorant dispersion, a photosensitive resin composition, a photosensitive material, a color filter and a display device are provided.
-
Paragraph 0227; 0229

(2021/04/06)

Pigment composition, pigmented composition, and its use
[Problem] dispersing property, excellent weather resistance and heat resistance, and good storage stability, such as isoindoline pigment composition comprising a compound capable of forming images of high color saturation. (1) A compound represented by the formula [a] isoindoline, equation (2) isoindoline pigment composition containing the compound expressed. [In the formula, R1 , R2 The, H; the A, 2 - cyano acetamide, 2 - cyano - N --methylacetamide, 2 - cyano - N - phenylacetamide, barbituric acid, 2 - cyanomethyl - 3H - quinazoline -4 group derived from turning. ][Drawing] no
-
Paragraph 0161-0165

(2021/06/25)

ISOMETRIC ISOINDOLINE YELLOW PIGMENT
Pigment of formula wherein R1 is CONR4R5 or C(=NR6)NR7R8, R2, R3, R4 and R5 are each independently of the others H, C1-C5alkyl, or phenyl which is unsubstituted or substituted from 1 to 5 times by C1-C5alkyl or by halogen, R6 is phenyl which is unsubstituted or substituted from 1 to 4 times by C1-C5alkyl or by halogen, R7 is H or C1-C5alkyl, and R8 is a direct bond or a carbonyl bridge to R6, which pigment consists of primary particles the average aspect ratio of which is from 4 to 1, preferably from 3.5 to 1, especially from 3 to 1, and /or the ellipses equivalent to the contours of the primary particles on a two-dimensional electron microscopic image have an average numerical eccentricity ε of from 0 to 0.80, the numerical eccentricity ε being defined as (formula), wherein a is the semimajor axis and b is the semiminor axis of the equivalent ellipse. That pigment preferably has a narrow particle size distribution and is, as are analogous pigments, prepared by a novel process. The invention relates also to a process for the preparation of that pigment, wherein R1CH2CN or (formula) is dispersed in an acidic aqueous medium containing from 70 to 99 % by weight water, preferably in the presence of a dispersant, and is reacted with solid (formula).
-
Page/Page column 27-28

(2009/07/17)

PROCESS FOR THE PREPARATION OF ORGANIC PIGMENTS
The present invention relates to advantageous processes for the manufacture of organic pigments and their precursors. The invention particularly relates to reactions carried out in an "All In One Reactor" (Draiswerke GmbH, Germany), a kneader like the TurbuKneader of the same company, a paddle dryer like the Turbudry of the same company or a related system and thereby submitting the reaction mixtures to enhanced driving power as expressed by a Froude number>1, the reaction mixture being caused to react in high concentrations at elevated temperature.
-
Page/Page column 25

(2010/02/14)