JP2014513182A5

JP2014513182A5 -

Info

Publication number: JP2014513182A5
Application number: JP2014506844A
Authority: JP
Filing date: 2012-04-25
Publication date: 2015-06-11

Description

表３

本発明は、さらに、以下の態様であり得る。
〔１〕タイヤであって、該タイヤのトレッドが、少なくとも１種のジエンエラストマー、30phrよりも多い液体可塑剤、50phrと150phrの間の量の非黒色補強用充填剤、任意構成成分としての3phrよりも少ない含有量のカーボンブラック、および5phrと50phrの間の量の液体光架橋性ポリマー樹脂をベースとするゴム組成物を含むことを特徴とするタイヤ。
〔２〕前記ジエンエラストマーが、天然ゴム、合成ポリイソプレン、ポリブタジエン、ブタジエンコポリマー、イソプレンコポリマーおよびこれらのエラストマーの混合物からなる群から選ばれる、前記〔１〕記載のタイヤ。
〔３〕前記ゴム組成物が、50〜100phrの天然ゴムまたは合成ポリイソプレンを含む、前記〔２〕記載のタイヤ。
〔４〕前記天然ゴムまたは前記合成ポリイソプレンを、多くとも50phrの、90％よりも多いシス-1,4-結合含有量を有するポリブタジエンとのブレンドとして使用する、前記〔３〕記載のタイヤ。
〔５〕前記組成物が、50〜100phrの、90％よりも多いシス-1,4-結合含有量を有するポリブタジエンを含む、前記〔２〕記載のタイヤ。
〔６〕前記ポリブタジエンを、多くとも50phrの天然ゴムまたは合成ポリイソプレンとのブレンドとして使用する、前記〔５〕記載のタイヤ。
〔７〕液体可塑剤の含有量が、40phrよりも多く、好ましくは50〜100phrの範囲内である、前記〔１〕〜〔６〕のいずれか１項記載のタイヤ。
〔８〕前記液体可塑剤が、ポリオレフィンオイル、ナフテン系オイル、パラフィン系オイル、DAEオイル、MESオイル、TDAEオイル、RAEオイル、TRAEオイル、SRAEオイル、鉱油、植物油、エーテル可塑剤、エステル可塑剤、ホスフェート可塑剤、スルホネート可塑剤およびこれらの化合物の混合物からなる群から選ばれる、前記〔１〕〜〔７〕のいずれか１項記載のタイヤ。
〔９〕カーボンブラックの含有量が、2phrよりも少ない、前記〔１〕〜〔８〕のいずれか１項記載のタイヤ。
〔１０〕非黒色補強用充填剤の含有量が、60phrと120phrの間、好ましくは70phrと100phrの間の量である、前記〔１〕〜〔９〕のいずれか１項記載のタイヤ。
〔１１〕前記非黒色補強用充填剤が、無機充填剤、好ましくはシリカである、前記〔１〕〜〔１０〕のいずれか１項記載のタイヤ。
〔１２〕前記液体光架橋性ポリマー樹脂が、アクリレート、メタクリレート、エポキシド、オキセタン、不飽和ポリエステル、ビニルエーテルおよびビニルエステル樹脂、並びにそのような樹脂の混合物からなる群から選ばれる、前記〔１〕〜〔１１〕のいずれか１項記載のタイヤ。
〔１３〕前記液体光架橋性ポリマー樹脂が、アクリレートまたはメタクリレート樹脂である、前記〔１２〕記載のタイヤ。
〔１４〕前記液体光架橋性ポリマー樹脂が、ジエンポリマー、好ましくはポリブタジエンまたはポリイソプレンである、前記〔１〕〜〔１３〕のいずれか１項記載のタイヤ。
〔１５〕前記液体光架橋性ポリマー樹脂が、ポリ(ブタジエン/アクリレート)またはポリ(ブタジエン/メタクリレート)である、前記〔１４〕記載のタイヤ。 Table 3

The present invention may further be the following aspects.
[1] A tire, wherein the tread of the tire is at least one diene elastomer, more than 30 phr of a liquid plasticizer, an amount of non-black reinforcing filler between 50 phr and 150 phr, 3 phr as an optional component A tire comprising a rubber composition based on a lower content of carbon black and a liquid photocrosslinkable polymer resin in an amount between 5 phr and 50 phr.
[2] The tire according to [1], wherein the diene elastomer is selected from the group consisting of natural rubber, synthetic polyisoprene, polybutadiene, butadiene copolymer, isoprene copolymer, and a mixture of these elastomers.
[3] The tire according to [2], wherein the rubber composition contains 50 to 100 phr of natural rubber or synthetic polyisoprene.
[4] The tire according to [3], wherein the natural rubber or the synthetic polyisoprene is used as a blend with at least 50 phr of polybutadiene having a cis-1,4-bond content of more than 90%.
[5] The tire according to [2], wherein the composition contains 50 to 100 phr of polybutadiene having a cis-1,4-bond content of more than 90%.
[6] The tire according to [5], wherein the polybutadiene is used as a blend with at most 50 phr of natural rubber or synthetic polyisoprene.
[7] The tire according to any one of [1] to [6], wherein the content of the liquid plasticizer is more than 40 phr, preferably in the range of 50 to 100 phr.
[8] The liquid plasticizer is polyolefin oil, naphthenic oil, paraffinic oil, DAE oil, MES oil, TDAE oil, RAE oil, TRAE oil, SRAE oil, mineral oil, vegetable oil, ether plasticizer, ester plasticizer, The tire according to any one of [1] to [7], which is selected from the group consisting of a phosphate plasticizer, a sulfonate plasticizer, and a mixture of these compounds.
[9] The tire according to any one of [1] to [8], wherein the carbon black content is less than 2 phr.
[10] The tire according to any one of [1] to [9], wherein the content of the non-black reinforcing filler is between 60 phr and 120 phr, preferably between 70 phr and 100 phr.
[11] The tire according to any one of [1] to [10], wherein the non-black reinforcing filler is an inorganic filler, preferably silica.
[12] The liquid photocrosslinkable polymer resin is selected from the group consisting of acrylate, methacrylate, epoxide, oxetane, unsaturated polyester, vinyl ether and vinyl ester resins, and mixtures of such resins. 11] The tire according to any one of [11].
[13] The tire according to [12], wherein the liquid photocrosslinkable polymer resin is an acrylate or methacrylate resin.
[14] The tire according to any one of [1] to [13], wherein the liquid photocrosslinkable polymer resin is a diene polymer, preferably polybutadiene or polyisoprene.
[15] The tire according to [14], wherein the liquid photocrosslinkable polymer resin is poly (butadiene / acrylate) or poly (butadiene / methacrylate).

Claims

A tire wherein the tread of the tire is at least a diene elastomer, a liquid plasticizer greater than 30 phr, a non-black reinforcing filler in an amount between 50 phr and 150 phr, a content less than 3 phr as an optional component A tire comprising carbon rubber and a rubber composition based on a liquid photocrosslinkable polymer resin in an amount between 5 phr and 50 phr.

The tire according to claim 1, wherein the diene elastomer is selected from the group consisting of natural rubber, synthetic polyisoprene, polybutadiene, butadiene copolymer, isoprene copolymer and mixtures of these elastomers.

The tire of claim 2, wherein the rubber composition comprises 50 to 100 phr natural rubber or synthetic polyisoprene.

The tire of claim 2 wherein the composition comprises 50-100 phr polybutadiene having a cis-1,4-bond content greater than 90%.

The tire according to any one of claims 1 to 4 , wherein the content of the liquid plasticizer is in the range of 50 to 100 phr.

The non-black reinforcing filler is silica, according to any one of claims 1 to 5 tires.

The liquid light crosslinkable polymer resin, acrylate, methacrylate, epoxide, oxetane, unsaturated polyesters, vinyl ethers and vinyl ester resins, and selected from the group consisting of mixtures of such resins, claim 1-6 1 The tire described in the item.

The tire according to claim 7 , wherein the liquid photocrosslinkable polymer resin is an acrylate or methacrylate resin.

The tire according to any one of claims 1 to 8 , wherein the liquid photocrosslinkable polymer resin is a diene polymer.

The tire according to claim 9 , wherein the liquid photocrosslinkable polymer resin is poly (butadiene / acrylate) or poly (butadiene / methacrylate).