摘要:
Disclosed is a rubber composition wherein 1-10 parts by mass of sulfur and 0.1-10 parts by mass of a compound represented by the general formula (1) below or a composition mainly containing such a compound are compounded per 100 parts by mass of a rubber component. Also disclosed is a pneumatic tire wherein at least one of a carcass (4) and a belt (6) includes a layer which is composed of a steel cord covered with a coating rubber, which pneumatic tire is characterized in that the above-described rubber composition is used as the coating rubber covering the steel cord in at least one of the carcass (4) and the belt (6). (1) (In the formula, R represents a divalent aliphatic group having 1-16 carbon atoms or a divalent aromatic group.)
摘要:
This invention provides a rubber composition comprising 1-10 parts by mass of sulfur and 0.1-10 parts by mass of a compound represented by the following general formula (1) or a composition containing the compound as a main component based on 100 parts by mass of a rubber component as well as a pneumatic tire in which at least one of a carcass (4) and a belt (6) includes a layer composed of steel cords covered with a coating rubber, characterized in that the above rubber composition is used as the coating rubber covering the steel cords in at least one of the carcass (4) and the belt (6):
(wherein R represents a divalent aliphatic group having a carbon number of 1-16 or a divalent aromatic group).
摘要:
This invention relates to a method of producing a compound represented by the following general formula (3):
[wherein R is a bivalent aliphatic group having a carbon number of 1-16 or a bivalent aromatic group], which comprises a step (i) of reacting a compound represented by the following general formula (1):
with a carboxylic acid halide represented by the following general formula (2):
[wherein R is a bivalent aliphatic group having a carbon number of 1-16 or a bivalent aromatic group and X is a halogen atom] in the presence of a basic compound to form an ester, and a step (ii) of conducting a heat treatment after the step (i) to decompose an oligomer in the ester.
摘要:
A fiber-reinforced resin sheet includes a fiber assembly including a reinforcing fiber; and a thermoplastic polyurethane resin impregnated in at least one surface of the fiber assembly. The thermoplastic polyurethane resin contains a reaction product of a polyol component and a polyisocyanate component including a monocyclic alicyclic polyisocyanate.
摘要:
A cross-linking agent for a fiber or leather includes a blocked isocyanate in which an insocyanate group of a hydrophilic group-containing polyisocyanate being reaction product of a polyisocyante and a hydrophilic group-containing active hydrogen compound is blocked by a blocking agent. The blocking agent contains a secondary amine compound in which two carbon atoms are directly bonded to a nitrogen atom of a secondary amine, and at least one of the two hydrocarbon atoms is a tertiary carbon atom.
摘要:
A non-aqueous electrolyte solution for a battery, including a compound represented by formula (1), wherein each A represents P or P=O; each R represents H, a halogen, an alkyl, an aryl, an alkoxy or an aryloxy; each X represents H, an alkyl, an aryl, an alkali metal or formula (2); each Y represents H, a halogen, an alkyl, an aryl, an alkoxy, an aryloxy or formula (3); each Z represents H, an alkyl, an aryl or OZ 1 ; Z 1 represents H, an alkyl, an aryl, an alkali metal, formula (2), or formula (4); each M represents an alkali metal; n is 1 or more; m is 1 or more; I is 1 or more; a sum of n, m and I in one molecule is from 1 to 200; and each * represents a position of bonding:
摘要:
A non-aqueous electrolyte solution containing a cyclic sulfone compound having a 1,3-dithietane-1,1,3,3-tetraoxide structure is provided. The cyclic sultone compound is preferably a compound represented by formula (I) [wherein in formula (I), R 1 to R 4 each represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, or the like].