PROBLEM TO BE SOLVED: To provide a polymer modifier composition for modifying a polymer having an unsaturated carbon-carbon bond, containing a nitrone compound having a carboxyl group, wherein the nitrone compound exhibits high reaction rate even when the polymer is modified at low temperature, a modified polymer obtained by modifying a polymer having the unsaturated carbon-carbon bond by the polymer modifier composition, a rubber composition containing the modified polymer and a tire using the rubber composition.SOLUTION: There is provided a polymer modifier composition for modifying a polymer having an unsaturated carbon-carbon bond, containing a nitrone compound having a carboxyl group and a zinc compound.SELECTED DRAWING: None
【課題】カルボキシ基を有するニトロン化合物を含有する、不飽和炭素−炭素結合を有するポリマーを変性するためのポリマー変性剤組成物であって、低温で上記ポリマーを変性した場合であっても、上記ニトロン化合物が高い反応率を示すポリマー変性剤組成物、不飽和炭素−炭素結合を有するポリマーを上記ポリマー変性剤組成物で変性することで得られる変性ポリマー、上記変性ポリマーを含有するゴム組成物、及び、上記ゴム組成物を使用したタイヤを提供する。【解決手段】カルボキシ基を有するニトロン化合物と、亜鉛化合物とを含有する、不飽和炭素−炭素結合を有するポリマーを変性するためのポリマー変性剤組成物。【選択図】なし
POLYMER MODIFIER COMPOSITION, MODIFIED POLYMER, RUBBER COMPOSITION AND TIRE
ポリマー変性剤組成物、変性ポリマー、ゴム組成物及びタイヤ
2017-04-06
Patent
Electronic Resource
Japanese
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