Patent application number | Description | Published |
20080311303 | Modified Polyimide Resin and Curable Resin Composition - A modified polyimide resin favorably employable for manufacturing an insulation film of an electric-electronic device is composed of recurring units (I) derived from a biphenyltetracarboxylic acid compound, a diamine compound, and a monoamine compound having at least one hydroxyl group and recurring units (II) derived from diisocyanate and polybutadiene having hydroxyl group at each terminal, which optionally contains further recurring units (III) derived from diisocyanate and a compound having hydroxyl group at each terminal and further having a reactive substituent. | 12-18-2008 |
20090092748 | ELECTRONIC DEVICE PACKAGING AND CURABLE RESIN COMPOSITION - A process for packaging an electronic device employs an insulating protective resin layer produced from one or more of the resin compositions: (1) 100 parts of an organic solvent-soluble resin having a polysiloxane skeleton and a polar group, 0.5 to 30 parts of an epoxy compound having an epoxy equivalent of more than 800, and an organic solvent, (2) 100 parts of an organic solvent-soluble resin having a polysiloxane skeleton and a polar group, 0.1 to 10 parts of an epoxy compound having an epoxy equivalent of 100 to 800, 2 to 30 weight parts of a polyvalent isocyanate compound, and an organic solvent; and (3) 100 parts of an organic solvent-soluble resin having a polysiloxane skeleton and a polar group, 0.1 to 20 parts of an epoxy compound having an epoxy equivalent of more than 800, 2 to 30 parts of a polyvalent isocyanate compound, and an organic solvent. | 04-09-2009 |
20100113689 | Polyimide Resin and Curable Resin Composition - A curable polyimide resin composition containing a polyimide resin obtainable from by a reaction of a reaction mixture containing a diisocyanate compound, a carbonate group-containing diol compound and an imide compound having two terminal hydroxyhydrocarbyl groups gives a cured insulation film having improved characteristics. | 05-06-2010 |
20100197887 | PHOSPHORUS-CONTAINING POLYCARBONATE POLYOL, METHOD FOR PRODUCTION THEREOF, AND PHOSPHORUS-CONTAINING POLYCARBONATE POLYURETHANE - The phosphorus-containing polycarbonate polyol disclosed herein has a structural unit (I) represented by a formula: —OCOO— and a structural unit (II) represented by a residue A, wherein A denotes a n-valent residue in which n of alcoholic hydroxyl groups are removed from a phosphorus compound having at least n of alcoholic hydroxyl groups, in which n is an integer of 2 or larger, and wherein a terminal group of the polyol is a alcoholic hydroxyl group. The novel phosphorus-containing polycarbonate polyol, as a reactive flame-retardant agent, can provide flame-retardant properties easily to polyurethane or the like. | 08-05-2010 |
20110077352 | AQUEOUS POLYURETHANE RESIN DISPERSION, PREPARATION METHOD OF THE SAME, AND COATING COMPOSITION CONTAINING THE SAME - Disclosed is an aqueous polyurethane resin dispersion which comprises a polyurethane resin which is obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polycarbonate polyol having an alicyclic structure in the main chain, (b) an acidic group-containing polyol compound and (d) a polyisocyanate, and (B) a chain-elongating agent, being dispersed in an aqueous medium, a carboxylic acid group content of the above-mentioned (A) polyurethane prepolymer based on a solid component of (A) the polyurethane prepolymer is 2.0 to 13.0% by weight, and a number of a hydroxyl equivalent of a mixture of the above-mentioned (a) polycarbonate polyol having an alicyclic structure in the main chain, the above-mentioned (b) acidic group-containing polyol compound, and, if necessary, (c) a polyol other than (a) and (b) is 70 to 270. | 03-31-2011 |
20110112245 | AQUEOUS POLYURETHANE RESIN DISPERSION, PROCESS FOR PREPARING THE SAME AND COATING COMPOSITION CONTAINING THE SAME - It is to provide an aqueous polyurethane dispersion which gives a coating film excellent in abrasion resistance. | 05-12-2011 |
20110136976 | AQUEOUS POLYURETHANE RESIN DISPERSION AND PROCESS FOR PREPARING THE SAME - This is to provide an aqueous polyurethane resin dispersion which can form a tough coating film. | 06-09-2011 |
20110313099 | AQUEOUS POLYURETHANE RESIN DISPERSION AND PROCESS FOR PREPARING THE SAME - An aqueous polyurethane resin dispersion which can easily carry out repaint or removal of an extra coating film after coating on a substrate material, and has high coating film hardness is to be provided. | 12-22-2011 |
20110313100 | AQUEOUS POLYURETHANE RESIN DISPERSION AND PROCESS FOR PREPARING THE SAME - An aqueous polyurethane resin dispersion which can provide a coating film having high impact resistance and hardness and excellent in adhesiveness to an electrodeposited coating surface is to be provided. | 12-22-2011 |
20110313101 | AQUEOUS POLYURETHANE RESIN DISPERSION AND PROCESS FOR PREPARING THE SAME - An aqueous polyurethane resin dispersion which can easily carry out repaint or removal of an extra coating film after coating on a substrate material is to be provided. | 12-22-2011 |