摘要:
Phenolic compounds of general formula (I); and recording materials characterized by containing one of them and exhibiting high light stability wherein R1 and R2 are each hydrogen or C1-C6 alkyl; m is an integer of 1 to 6; n is an integer of 0 to 2; p and t are each an integer of 0 to 3 with the proviso that not both are simultaneously 0; R3 and R4 are each nitro, carboxyl, halogeno, C1-C6 alkyl, or the like; q and u are each an integer of 0 to 2 with the proviso that when q or u is 2, R3s or R4s may be different from each other; and Y is CO or NR5CO (wherein R5 is hydrogen or the like), with the proviso that when Y is CO, p is 1 and that when p is 0 and Y is NR5CO, n is not 0.
摘要:
An object of the present invention is to provide a novel phenolic compound, and a recording material containing the same, which is excellent in storage stability. The object can be achieved by a phenolic compound represented by the formula (I): [wherein m represents an integer of 0 to 2; R1 and R2 each independently represents a C1-C6 alkyl group or a C1-C6 alkoxy group; p and q each independently represents an integer of 0 to 4; t and u each independently represents 0 or 1 and do not simultaneously represent 0; and X represents a group represented by any of the formulas (II) to (VII): (wherein R3, R4, R5, R6, R7, R8, R9, R10 and R11 each independently represents a hydrogen atom or a C1-C6 alkyl group; a represents an integer of 1 to 6; b represents an integer of 0 to 4; and c represents an integer of 0 to 6)] and a recording material containing the same.
摘要:
An object of the present invention is to provide a novel phenolic compound, and a recording material containing the same, which is excellent in storage stability. The object can be achieved by a phenolic compound represented by the formula (I): [wherein m represents an integer of 0 to 2; R1 and R2 each independently represents a C1–C6 alkyl group or a C1–C6 alkoxy group; p and q each independently represents an integer of 0 to 4; t and u each independently represents 0 or 1 and do not simultaneously represent 0; and X represents a group represented by any of the formulas (II) to (VII): (wherein R3, R4, R5, R6, R7, R8, R9, R10 and R11 each independently represents a hydrogen atom or a C1–C6 alkyl group; a represents an integer of 1 to 6; b represents an integer of 0 to 4; and c represents an integer of 0 to 6)] and a recording material containing the same.
摘要:
Triazine derivatives of general formula (I); and recording materials excellent in the storage stability of developed images, particularly the resistance thereof to plasticizers.
摘要:
A method for preventing the generation of the hydration of 4-hydroxy-4'-isopropoxydiphenylsulfone characterized in that the particles of 4-hydroxy-4'-isopropoxydiphenylsulfone are subjected to wet grinding in water in the presence of diphenylsulfone derivatives represented by the general formula (I); ##STR1## wherein R.sup.1 represents hydrogen or lower alkyl, R.sup.2 and R.sup.3 represent each independently lower alkyl, n and m denote 0 or an integer of from 1 to 4, with a proviso that n and m can never be 0 at the same time in case R.sup.1 represents hydrogen, is disclosed. By using the dispersible solution of color developer according to the present invention, the production of high sensitive and unclean background-free thermal sensitive recording papers can be accomplished.
摘要:
By using the fluoran compound represented by the following general formula (I); ##STR1## wherein R.sup.1 is alkyl containing 1 to 4 carbon atoms, R.sup.3 is alkyl containing 1 to 8 carbon atoms, R.sup.4 is hydrogen or alkyl containing 1 to 8 carbon atoms, or R.sup.3 and R.sup.4 may bond with each other to form a ring together with a N atom, R.sup.2 is alkyl containing 1 to 4 carbon atoms, and n denotes 0, 1 or 2, however, the substituents represented by R.sup.2 may be different with each other when n is 2, as a color former for color forming recording materials, recording materials which have excellent properties in whiteness of the background of the material under light and in photostability of color-formed images on the materials as well as in sufficient color forming capability of the material even after having exposed them to light, can be provided.
摘要:
The present invention provides a recording material which has excellent background stability, specifically heat resistance and heat and humidity resistance of the background. The recording material containing a color forming dye is characterized by containing at least one kind of diphenylsulfone derivative represented by the general formula (I): (wherein R1 and R2 each represents a hydrogen atom or a C1 to C6 alkyl group, n represents an integer of 1 to 6, R3 and R4 each represents a halogen atom, a C1 to C6 alkyl group, etc., p and q each represents an integer of 0 to 4, X represents OR5 or NR6R7 wherein R5 represents a C1 to C6 alkyl group, a C1 to C6 hydroxyalkyl group, or a C1 to C6 alkoxy-C1 to C6 alkyl group, and R6 and R7 each represents a hydrogen atom, a C1 to C6 alkyl group, etc).
摘要:
A method for producing an organic thin film in which an organic thin film is formed on the surface of a substrate, including a step (A) of bringing the substrate into contact with an organic solvent solution containing a metal-based surfactant having at least one hydrolysable group, and a catalyst capable of interacting with the metal-based surfactant, wherein the water contact within the organic solvent solution is either set or maintained within a predetermined range.
摘要:
It is to provide a solution for forming an organic metal thin film that can form rapidly a dense monomolecular film with less impurity. A solution for forming an organic thin film comprising(A) at least one organic metal compound shown by the following formula (I) (provided that at least one organic metal compound contains a hydroxyl group); and (B) at least one organic metal compound shown by the following formula (II), R3mM2X54-m (II) wherein the solution is 40≦[(A)/{(A)+(B)}]×100≦100 (mass %), and 0≦[(B)/{(A)+(B)}]×100≦60 (mass %); or a solution for forming an organic thin film comprising an organic metal compound having at least one hydroxyl group and at least one hydrolysable group among the organic metal compounds shown by the following formula (I); or a solution for forming an organic thin film wherein the mass ratio of trimer with respect to dimer is greater than 0.5 among the metal organic compound shown by formula (I).
摘要:
The object is to provide a method for forming an organic thin film which enables to form quickly a dense monomolecular film with less impurity. It is a method for forming an organic thin film which comprises:1) a step of preparing a hydroxyl group-containing solution by mixing the following (a), (b) and (c) so that the total amount of (A) and (B) in the hydroxyl group-containing solution becomes 0.1 wt % to 80 wt %, and conducting hydrolysis to generate a hydroxyl group-containing compound; a) an adjuvant for forming an organic thin film comprising a metal surfactant (A) having at least one or more hydrolysable group, and a compound (C) that can interact with the metal surfactant in an organic solvent b) a metal surfactant having at least one or more hydrolysable group (B), and c) water 2) a step of preparing a solution for forming an organic thin film by mixing an organic solvent and the hydroxyl group-containing solution obtained in the above step 1); and 3) a step of allowing the substrate to contact with the solution for forming an organic thin film obtained in the above step 2).