43results about "Perinones" patented technology

Optically anisotropic films based on sulfoderivatives of 1,8-naphthoylene-1′,2′-benzimidazole are disclosed. These compounds form stable lyotropic liquid crystal systems that exhibit excellent optical properties with films that are significantly thinner that the current state of the art. The lyotropic liquid crystal systems may be deposited on substrates for use in a wide variety of commercial applications.

Provided are novel hetero-polycyclic compounds having a specific structure, color-changing material compositions comprising (A) a fluorescent coloring matter comprising at least one of the hetero-polycyclic compounds described above and (B) a binder material, color-changing films comprising the above hetero-polycyclic compounds, coloring matters comprising the above hetero-polycyclic compounds, and pigments or dyes comprising the hetero-polycyclic compounds described above, and provided are color-changing material compositions which are not deteriorated in a color-changing performance even after used for long time and which are prevented from being unusable due to deposition of coloring matters during storage and color-changing films produced by using the same, and novel hetero-polycyclic compounds, coloring matters and pigments or dyes which actualize them.

The present invention relates to a dye of formula (I) where R1, R2, X, Y and t are each as defined in claim 1, to its preparation and to its use.

The invention pertains to a method for preparing derivatives of the pyrazolinylnaphthalic acid having the general formulawhere Ar1 and Ar2 are unsubstituted or substituted phenyl radicals bearing in the para position an alkylated or acylated oxy- or amino group, or a polynuclear aryl radical, and Ar3 is a substituted N-naphthalimid or 1,8-naphthylene-1',2'-benzimidazole. Compounds of the above general formula are high-efficient red organic luminophors and are used widely as luminescent components of dyes for plastics and liquid scintillators, in hydrogeology to study water streams, to label the chemical industry wastewaters, as laser dyes, etc.

The invention relates to a fused ring aromatic pigment and polymer material mixture, a preparation method and a downstream product thereof. According to the method, different thermoplastic polymer materials can be selected and mixed with reactants for generating fused ring aromatic pigments; by adjusting the reaction molar ratio of the raw materials and the use amounts of the raw materials in thewhole reaction system, the mixture of the reactant and the high polymer material can be extruded or kneaded to obtain the fused ring aromatic pigment and polymer material mixture in one step; and compared with the pigments, the mixture of the invention has the following characteristics that the raw material reactants of the pigment have good dispersity in the high polymer material so as to directly generate and uniformly disperse the pigment in the polymer material through extruding or kneading, the solvent is not required to be added in the extrusion or kneading process, the o-diamine compound is almost completely consumed, the obtained mixture does not need to be purified, the generation of three-waste in the traditional pigment synthesis process is avoided, the process flow is greatly simplified, and the energy consumption is reduced.

Disclosed are a new dichroic dye having liquid crystal properties and dichroic properties and capable of being used for forming a polarization film with excellent heat resistance, durability, and polarizing properties, a composition including the same for a polarization film, a method for forming a polarization plate with excellent durability using the composition, and a polarization plate prepared thereby. The new dichroic dye has a structure of R1-L1-(M,L,D) (where, D is a dichroic structure, M is a structure with liquid crystal properties, R1 is a reactive end functional group, and L and L1 are linking structures). The composition for a polarization film includes the dichroic dye. In the method for forming the polarization plate, the composition for a polarization film is applied to a substrate and cured to prepare the polarization plate. The polarization plate has excellent dichroic ratio, heat resistance, durability, and polarizing properties.

The purpose of the present invention is to obtain: a cured film that has high sensitivity, enables formation of a pattern of a low-tapered shape after development, is capable of suppressing a change in the dimensional width of pattern openings before and after thermal curing, and exhibits excellent light-shielding properties; and a negative-type photosensitive resin composition used to form said cured film. This negative-type photosensitive resin composition comprises an alkali-soluble resin (A), a photopolymerization initiator (C1), and a black colorant (Da), wherein: the alkali-soluble resin(A) has a fluorine atom-containing structural unit in a specific proportion and comprises a first resin (A1) that contains at least one selected from the group consisting of polyimides (A1-1), polyimide precursors (A1-2), polybenzoxazoles (A1-3), and polybenzoxazole precursors (A1-4); and the photopolymerization initiator (C1) comprises an oxime ester-based photopolymerization initiator (C1-1) having a specific structure.

The invention belongs to the technical field of naphthalene tetracarboxylic acid vat dye preparation, and particularly relates to a brown vat dye taking naphthalene tetracarboxylic acid as a raw material, and a preparation method and an application of the brown vat dye. The brown vat dye comprises two compounds. The brown vat dye is a brown vat dye with a new structure, provides a new color matching scheme for commercial dyes, and enriches the selectable range of brown primary dyes and commercial brown dyes; moreover, according to the commercial dye containing the brown vat dye with the new structure, the brown vat dye is mixed with vat red 14 and vat red 15 / vat orange 7 with similar structures, a prepared dye is small in color difference and has the dye uptake reaching up to 98%, the color fastness is good, and the light fastness can reach the sixth level.

A pigment composition including at least one pigment selected from the group consisting of a perinone-based pigment and a perylene-based pigment, water, a resin having a constitutional unit represented by Formula 1, and at least one compound selected from the group consisting of a phthalimide compound having a carboxyalkyl group and a naphthalimide compound having a carboxyalkyl group; a method for producing thereof; and an aqueous ink composition using the pigment composition. In Formula 1, R1 represents a hydrogen atom or a methyl group, L2 represents —C(═O)O—, —OC(═O)—, or —C(═O)NR2— and R2 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, and R3 represents an alkyl group having 6 or more carbon atoms.

The present invention relates to perylene bisimides with rigid 2,2′-biphenoxy bridges which are useful in a wide variety of applications and to novel to perylene bisimides with rigid 2,2′-biphenoxy bridges. The present invention also relates to the use of said compound(s) in color converters for improving the luminous efficacy of LEDs, to color converters and their use and to lighting devices comprising at least one LED or OLED and at least one color converter. The present invention also relates to a printing ink formulation for security printing comprising at least one perylene bisimide with rigid 2,2′-biphenoxy bridges and security documents.

This invention relates to perylene pigment compositions containing a reactive co-precipitated blend of(1) about 75 to about 99.9 mol %, relative to the pigment composition, of a compound having the formula (I) whereinR is hydrogen, C1-C6 alkyl, C5-C8 cycloalkyl, C7-C6 aralkyl, or C6-C10 aryl,A is C1-C6 alkyl, C1-C6 alkoxy, a sulfonyl group, amino, ammonium, hydroxy, nitro, or halogen, andm is zero or a number from 1 to 8; and(2) about 0.1 to about 25 mol %, relative to the pigment composition, of a perylene dicarboxamidine imide having the formula (II) whereinW is optionally substituted or modified C2-C3 alkylene, andR, A, and m are defined as above.