Patent application number | Description | Published |
20080207845 | Method For Producing Modified Polymer And Modified Polymer Produced By The Same - A method for producing a modified polymer by reacting a tetramethylpiperidinyloxy (TEMPO) derivative having a functional group (A) and a polymer in the presence of a radical initiator to produce a polymer having the functional group (A) grafted thereon, and then, optionally, after adding additives, reacting the resultant reaction product with a compound having a functional group (B) capable of reacting with the functional group (A), whereby it is possible to simply and inexpensively introduce compounds having various types of functional groups into a nonpolar polymer. | 08-28-2008 |
20090247677 | METHOD FOR PRODUCING LOW VISCOSITY NATURAL RUBBER AND NATURAL RUBBER AND RUBBER COMPOSITION CONTAINING THE SAME - A production method of a low viscosity or low constant viscosity natural rubber obtained by treating a natural rubber latex by adding a water-soluble ammonium salt so as to decrease the metal content and spraying the treated natural rubber latex or the latex after addition of a constant viscosity agent into a pulse wave atmosphere for pulse drying to obtain solid rubber, a natural rubber obtained by the same, and a rubber composition including the same, whereby a low viscosity or low constant viscosity natural rubber having superior mechanical properties and low viscosity or low constant viscosity and superior processability, a natural rubber obtained by the same and a rubber composition containing the same were provided. | 10-01-2009 |
20090292044 | MODIFIED DIENE-BASED RUBBER AND RUBBER COMPOSITION CONTAINING THE SAME - To modify a diene-based rubber whereby the dispersibility of silica and the abrasion resistance or heat buildup resistance are improved. | 11-26-2009 |
20100120956 | Method for Production of Natural Rubber - A method for producing a solid natural rubber by adding a compound having a quaternary ammonium ion and a carboxyl ion in the molecule thereof to a natural rubber latex and removing and drying a water content of the latex, whereby the increase in the viscosity during storage can be suppressed. | 05-13-2010 |
20100232088 | SEALING MATERIAL FOR ELECTROLYTIC CAPACITOR AND ELECTROLYTIC CAPACITOR EMPLOYING THE SEALING MATERIAL - An electrolytic capacitor sealer capable of fulfilling the requirement such as long-term heat resistance without risk of reversion due to crosslinking with an organic peroxide and an electrolytic capacitor using such a sealer are provided. | 09-16-2010 |
20130053517 | METHOD FOR PRODUCING MODIFIED POLYMER - A modified polymer is produced by reacting (A) a polymer with (B) a compound having a nitroxide free radical in the molecule stable at room temperature and in the presence of oxygen, (C) an organic peroxide, and (D) a radically polymerizable monomer having a functional group in the presence of (E) an amine compound comprising a monoamine compound represented by the general formula: NR | 02-28-2013 |
Patent application number | Description | Published |
20080262147 | MODIFIED BUTYL RUBBER COMPOSITION - A modified butyl rubber composition containing a modified butyl rubber obtained by a modification reaction of a compound (a) having a nitroxide-free radical, stable in the presence of oxygen at an ordinary temperature, in the molecule thereof and a radical initiator (b) and at least two kinds of bi- or more-functional radical polymerizable monomers (c). | 10-23-2008 |
20090093587 | MODIFIED BUTYL RUBBER COMPOSITION - A modified butyl rubber composition comprising a butyl rubber modified by mixing, under heating, (a) a compound having a nitroxide-free radical in the molecule thereof, which is stable at an ordinary temperature even in the presence of oxygen, (b) a radical initiator, and (c) a bi- or more-functional radical polymerizable monomer and further by compounded with (d) a bi- or more-functional radical polymerizable monomer, which is different from the ingredient (c). | 04-09-2009 |
20090156728 | MODIFIED BUTYL RUBBER COMPOSITION - A modified butyl rubber composition capable cross-link an organic peroxide and having an improved modulus and strength at break is provided. | 06-18-2009 |
20090182069 | RUBBER COMPOSITION CONTAINING MODIFIED CONJUGATED DIENE-BASED POLYMER BONDED TO FULLERENE - A rubber composition obtained by compounding thereinto a rubber component containing 0.5 to 100% by weight of a modified conjugated diene-based polymer having a fullerene bonded thereto in the molecule and having a weight average molecular weight of 50,000 or more excellent processability, superior balance of modulus and heat buildup, excellent cold flowability and superior tan δ balance. | 07-16-2009 |
20100056723 | THERMOPLASTIC ELASTOMER COMPOSITION - A thermoplastic elastomer composition containing a dynamically cross-linked composition of
| 03-04-2010 |