A heat stabilizer composition comprising a) at least one mono-octyltin compound (n-Oc)Sn(T).sub.3 having a purity greater than 85 wt %; and b) at least one di-methyltin compound (Me).sub.2Sn(T).sub.2 having a purity greater than 85 wt %.

A curable composition capable of securing a waiting time after curing starts, and efficiently controlling the relevant waiting time is provided. The curable composition also controls a curing rate after the waiting time to suit the application. A battery module, a battery pack or an automobile comprising a cured product of the curable composition is also provided.

A curable composition capable of securing a waiting time after curing starts, and efficiently controlling the relevant waiting time is provided. The curable composition also controls a curing rate after the waiting time to suit the application. A battery module, a battery pack or an automobile comprising a cured product of the curable composition is also provided.

The present invention provides a chlorinated polyvinyl chloride resin composition capable of providing a molded article that is excellent in discoloration resistance and corrosion resistance and is not likely to cause environmental pollution as the amount of metal leached therefrom is small, and a chlorinated polyvinyl chloride resin molded article. The present invention relates to a chlorinated polyvinyl chloride resin composition containing: a chlorinated polyvinyl chloride resin; a thermal stabilizer; and at least one thioglycolic acid compound selected from the group consisting of thioglycolic acid and thioglycolic acid esters.

The present invention provides a chlorinated polyvinyl chloride resin composition capable of providing a molded article that is excellent in discoloration resistance and corrosion resistance and is not likely to cause environmental pollution as the amount of metal leached therefrom is small, and a chlorinated polyvinyl chloride resin molded article. The present invention relates to a chlorinated polyvinyl chloride resin composition containing: a chlorinated polyvinyl chloride resin; a thermal stabilizer; and at least one thioglycolic acid compound selected from the group consisting of thioglycolic acid and thioglycolic acid esters.

The present invention provides a chlorinated polyvinyl chloride resin composition capable of providing a molded article that is excellent in discoloration resistance and corrosion resistance and is not likely to cause environmental pollution as the amount of metal leached therefrom is small, and a chlorinated polyvinyl chloride resin molded article. The present invention relates to a chlorinated polyvinyl chloride resin composition containing: a chlorinated polyvinyl chloride resin; a thermal stabilizer; and at least one thioglycolic acid compound selected from the group consisting of thioglycolic acid and thioglycolic acid esters.

A tyre and related vulcanisable elastomeric compound and elastomeric composition are described. The tyre includes at least one structural element that includes a vulcanised elastomeric material including, before vulcanisation, a vulcanisable elastomeric compound including, before mixing, an elastomeric composition including per 100 phr of diene elastomeric polymer: (a) 30 to 95 phr of at least one styrene-butadiene polymer (SBR); (b) 5 to 70 phr of at least one diene elastomeric polymer selected from the group consisting of at least one isoprene polymer (IR), at least one butadiene polymer (BR), or mixtures thereof; (c) 10 phr to about 120 phr, preferably 20 phr to 100 phr, of at least one white reinforcing filler; (d) from about 1% to about 20% by weight, relative to the amount of said white reinforcing filler, of at least one silane coupling agent; (e) 1% to 35% by weight, preferably 5% to 25% by weight, relative to the amount of said silane coupling agent, of a polyamine.

A tyre and related vulcanisable elastomeric compound and elastomeric composition are described. The tyre includes at least one structural element that includes a vulcanised elastomeric material including, before vulcanisation, a vulcanisable elastomeric compound including, before mixing, an elastomeric composition including per 100 phr of diene elastomeric polymer: (a) 30 to 95 phr of at least one styrene-butadiene polymer (SBR); (b) 5 to 70 phr of at least one diene elastomeric polymer selected from the group consisting of at least one isoprene polymer (IR), at least one butadiene polymer (BR), or mixtures thereof; (c) 10 phr to about 120 phr, preferably 20 phr to 100 phr, of at least one white reinforcing filler; (d) from about 1% to about 20% by weight, relative to the amount of said white reinforcing filler, of at least one silane coupling agent; (e) 1% to 35% by weight, preferably 5% to 25% by weight, relative to the amount of said silane coupling agent, of a polyamine.

A rubber composition manufacturing method comprising an operation in which an intermeshing internal kneader is used to knead at least rubber, silica, and silane coupling agent, wherein the operation comprises a first step in which kneading which is accompanied by increase in kneading temperature is carried out during an initial phase of the operation; kneading is carried out during the first step while a ram is maintained in a state in which it is at a first position which is higher than a lowermost position within a range of movement of which the ram is capable; and during the first step, an effective volume when the ram is at the first position is 105% to 120% relative to a value of 100% for an effective volume when the ram is at the lowermost position.

A rubber composition manufacturing method comprising an operation in which an intermeshing internal kneader is used to knead at least rubber, silica, and silane coupling agent, wherein the operation comprises a first step in which kneading which is accompanied by increase in kneading temperature is carried out during an initial phase of the operation; kneading is carried out during the first step while a ram is maintained in a state in which it is at a first position which is higher than a lowermost position within a range of movement of which the ram is capable; and during the first step, an effective volume when the ram is at the first position is 105% to 120% relative to a value of 100% for an effective volume when the ram is at the lowermost position.