CN1995119B - 具有良好湿路面牵引力性质和低芳香油含量的橡胶组合物 - Google Patents
具有良好湿路面牵引力性质和低芳香油含量的橡胶组合物 Download PDFInfo
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- CN1995119B CN1995119B CN2006101703372A CN200610170337A CN1995119B CN 1995119 B CN1995119 B CN 1995119B CN 2006101703372 A CN2006101703372 A CN 2006101703372A CN 200610170337 A CN200610170337 A CN 200610170337A CN 1995119 B CN1995119 B CN 1995119B
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- Prior art keywords
- functionalized polymeric
- tread rubber
- functionalized
- rubber compsn
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Classifications
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Abstract
本发明涉及具有低芳香油含量或者完全不含芳香油的橡胶组合物。该橡胶组合物含有二烯橡胶,一种或多种填料,和具有与填料相互作用的能力且作为芳香油的替换物的低分子量官能化聚合物。这样生产的橡胶组合物可以用于胎面胶且已经显示出良好的雪/湿路面牵引力性质和低的滚动阻力。
Description
技术领域
本发明涉及具有低芳香油含量的橡胶组合物。特别地,本发明涉及二烯橡胶组合物,其中部分芳香油可以被低分子量的液体官能化聚合物替换。该橡胶组合物可以在多种商品,例如胎面胶中使用。
背景技术
橡胶组合物传统上用芳香油制成,其能使橡胶组合物更容易加工。此外,当橡胶组合物在胎面胶中使用时,芳香油给胎面胶提供了改进的牵引。然而,许多芳香油被认为是对环境有毒的。因为这样,一些欧洲国家已经通过规章制度来限制在橡胶组合物中所使用的芳香油的量。芳香油的替代物如合成酯油和氢化芳香油已经不能提供芳香油所给予的有益性质。
因此,本领域中所需要的是含有少量芳香油或者不含芳香油而又能使橡胶组合物显示由芳香油提供的许多有益性质的橡胶组合物。本发明满足了此需求。
发明内容
本发明涉及具有低芳香油含量的稳定橡胶组合物,其含有(a)二烯橡胶,(b)一种或多种填料,和(c)低分子量官能化聚合物,其中橡胶组合物具有的芳香油含量为每100份橡胶15份以下油。
本发明还涉及胎面胶组合物,其含有:(a)二烯橡胶,(b)官能化填料,和(c)低分子量官能化聚合物,其中官能化聚合物与官能化填料相互作用。
本发明还涉及生产具有改进的湿路面牵引力性质的胎面胶的方法。该方法包含(a)制备含有二烯橡胶、一种或多种填料和低分子量官能化聚异丁烯聚合物的橡胶组合物;和(b)硫化橡胶组合物,以制备具有改进湿路面牵引力性质的胎面胶。
附图说明
图1示出对比温度在-100℃到50℃范围内橡胶组合物的G’和G”值的温度扫描图。在大图内所示的小图集中在从-70℃到-20℃的温度范围内。
图2示出对比在30℃下频率在1.0E-06到1.0E+12Hz范围内橡胶组合物的G’和G”值的频率扫描图。在大图内所示的小图集中在1.0到1.0E+12Hz的频率范围内。
图3示出对比橡胶组合物aT值的平移量图;即,在从-60℃到80℃的温度范围内测量频率平移量的值。在大图内所示的小图对比橡胶组合物的bT值;即,在从-60℃到80℃的温度范围内测量密度平移量的值。
具体实施方式
本发明涉及具有低芳香油含量的稳定的橡胶组合物,含有(a)二烯橡胶,(b)一种或多种填料,和(c)低分子量液体官能化聚合物,其中该橡胶组合物具有芳香油含量为每100份橡胶15份以下油。
低分子量的官能化聚合物可以由在至少一个链端含有官能化基团的任何聚合物代表。合适的聚合物包括聚乙烯、聚丙烯、聚丁烯、聚异丁烯和聚异戊二烯。优选地,该聚合物是聚异丁烯或聚丁烯,因为丁基聚合物已经证明在例如胎面胶中使用时具有良好的湿路面牵引力性质。
低分子量聚合物的分子量典型地在约100至约50,000的范围内。优选地,分子量在约1000至约5000范围内。最优选地,分子量在约1000至约1300范围内。
该聚合物优选在23℃时是液态。聚合物为液态使得聚合物更容易模拟芳香油的物理特性,芳香油在23℃时典型地以液态存在。
该聚合物应该在至少一个链端被官能化。除了链端外,聚合物还可以在沿着聚合物主链的多个点上含有官能团。具有多个官能团会促进交联,且增加了与组合物中其它组分例如填料的可能相互作用的量。
任何官能团都可以存在于聚合物上。合适的官能团包括羟基、羧基、羰基、烷氧基、烷氧羰基、氰基、氨基、酰胺基、亚氨基、巯基、氨基甲酰基、叠氮基、酯、醚、氨基甲酸酯、过氧化物、咪唑基和吡啶基,以及这些基团的衍生物。当聚合物含有多个官能团时,在聚合物中可以存在相同的官能团,或者可以存在不同的官能团。该官能化聚合物通过官能团具有与其它含有官能团的化合物例如二氧化硅相互作用的能力。
将聚合物官能化给聚合物额外提供了这样的能力:即可以克服由于向橡胶组合物中引入非官能化聚合物而导致的许多缺点(setbacks)。非官能化聚合物,例如非官能丁基聚合物,通常与橡胶组合物中的二烯橡胶不溶混。试图通过典型的机械共混工艺将不溶混的组分共混往往产生不稳定、显示相分离、渗出以及具有差的拉伸强度性质的混炼胶。可以与例如官能化的填料相互作用的官能化聚合物不会与二烯橡胶不溶混,因此不会显示上述的许多缺点。
官能化聚合物是具有由官能团给予的官能度的聚合物。例如,如果聚合物用酐基团官能化,则该聚合物就会被认为是酐官能化聚合物;同样,如果聚异丁烯聚合物用丁二酸酐官能化,则所得的聚合物就会被认为是酐官能化聚异丁烯。
官能化聚合物可以通过所需要的聚合物的单体单元与官能团反应而制备。例如,酐官能化聚异丁烯可以通过异丁烯单体与马来酸酐单体反应而制备。异丁烯单元和马来酸酐单元的量根据所得的聚合物所需要的官能度而变化。典型地,马来酸酐单元将在约5至99摩尔%范围内,异丁烯单元在1至95摩尔%范围内。共聚单体,在此情况中就是马来酸酐和异丁烯,可以随机地或者交替地分布在聚合物链中。可以优选沿着聚合物主链具有交替共聚单体,从而在聚合物中产生更多的官能度。这依次又给官能化聚合物提供了更大的与填料相互作用的能力,这是官能化聚合物的优选特征。
作为选择,官能化聚合物如果是可得的,也可以商购。优选的官能化聚合物聚异丁烯丁二酸酐可从例如Chevron Chemicals以商品名OLOA 15500商购。
聚合物的官能团可以通过官能团与能够给予聚合物不同官能度的化合物反应而进一步官能化。例如,酐官能化聚异丁烯可以通过聚合物与另一种化合物如胺反应而进一步官能化。正如本领域公知的,当伯胺与酐反应时,在酰亚胺化(imidization)反应中形成了酰亚胺(imide)。参见美国专利No.6,133,354,其整体并入这里作为参考。因此,酐官能化聚合物与胺反应就会产生酰亚胺官能化聚合物。如果起始单体是异丁烯,则酰亚胺官能化聚合物就会是酰亚胺官能化聚异丁烯,其是优选的官能化聚合物。当然,胺也可以与其它官能聚合物反应,就像除了胺以外的其它化合物可以与官能聚合物反应一样。
胺优选的是含有官能化基团的伯胺。应该注意烷基胺,虽然不含有另外的官能团,但是也是可接受的,条件是在聚合物后反应(post reaction)上留有一些官能度。优选的胺具有式H2N-(CH2)x-A,其中x是0-60的整数,A是官能团。合适的官能团包括羟基、羧基、羰基、烷氧基、烷氧羰基、氰基、氨基、酰胺基、亚氨基、巯基、氨基甲酰、叠氮基、酯、醚、氨基甲酸酯、过氧化物、咪唑基和吡啶基,还有这些基团的衍生物。优选地,x范围为1-18,更优选1-6。虽然CH2连接链意指直链的连接胺和官能团的不饱和亚烷基,但是连接链也可以意指取代的和/或支链的亚烷基。在胺上的官能团优选是仲氨基。最优选地,胺是3-(二甲氨基)丙胺。
酰亚胺官能化聚异丁烯同时带有酰亚胺官能度和由胺给予的官能基团。如果3-(二甲氨基)丙胺与酐官能化聚异丁烯反应,所得到的官能化聚合物就会同时带有酰亚胺和酰胺官能度。这样的官能化聚合物由于其增加的与橡胶组合物中的填料相互作用的能力而是优选的。
酐官能化聚合物和胺之间反应以形成酰亚胺官能化聚合物优选在基本上干燥的条件下在室温至约300℃温度范围内进行。反应物优选在它们的固态下混合,即,在没有溶剂下在合适的混合装置中干混,该混合装置包括密炼机如Brabender混炼机或双螺杆挤出机。混炼机优选在装入反应物之前先用非反应性气体如N2净化。反应时间典型地在10分钟到10小时范围内,剧烈混合优选至少进行一小时。胺可以一次进料或者连续多次进料加入到含有酐官能化聚合物的反应器中。胺进料的比例优选为0.8-1.0摩尔胺每衍生自酐官能化聚合物的酐的单元。当观察到温度显著升高时例如从温度23℃升高到65℃时,认为化学反应发生。在反应发生后,可以将材料在真空中在脱水条件例如在100℃以上的温度下脱水12小时以上。
其它合适的方法包括熔融混合,其包括混合和动态热处理该组分,以及本领域中已知的其它方法。混合各组分的传统设备如开放型混合辊、密闭型班伯里(Banbury)混炼机、密闭型布拉本德(Brabender)混炼机、挤出机、捏和机、连续混炼机等等是可接受的。密闭型布拉本德混炼机是优选的,在非活性气体环境如N2或Ar中混合也是优选的。
官能化聚合物可以用于置换在橡胶组合物中典型使用的芳香油。通常在橡胶组合物中使用的芳香油包括沥青油、萘油、石油油脂等等。然而,如上面讨论的那样,这些芳香油目前被认为是对环境有毒的。因此官能化聚合物代表环境更友好的芳香油替换物。此外,官能化聚合物不会导致由芳香油提供的对橡胶组合物有益的性质例如橡胶组合物的硬度的恶化。
官能化聚合物可以作为添加剂或者作为分散剂加入橡胶组合物,加入量范围为约1至200重量份官能化聚合物每100重量份橡胶;优选加入量范围为约1至100重量份官能化聚合物每100重量份橡胶;更优选为约10至50重量份官能化聚合物每100重量份橡胶;最优选为约15至30重量份官能化聚合物每100重量份橡胶。
官能化聚合物的使用使得橡胶组合物中芳香油含量的大幅度降低。当芳香油含量典型地在范围为每100份橡胶30份以上时,官能化聚合物的使用使得芳香油含量降至每100份橡胶约15份以下。优选地,芳香油的含量范围为每100份橡胶约0-15份;更优选地,芳香油的含量范围为每100份橡胶约0-10份;最优选地,芳香油的含量为每100份橡胶约0份。当芳香油的含量为或者约为每100份橡胶0份时,橡胶组合物有效地不含有芳香油。
通常通过加入相同份数的官能化聚合物来减少芳香油含量是最容易的。也就是,如果芳香油的含量减少15份,从30份减少到15份,则可以加入15份官能化聚合物来替换芳香油。然而,除去的芳香油含量的此量并不一定要与加入的官能化聚合物的量相等。如果例如目标不是为了减少芳香油含量而仅仅是为了提高所得轮胎组合物的湿路面牵引力性质,则这尤其正确。在此情况中,可以加入官能化聚合物而不减少或者是仅仅最低程度地减少芳香油的含量。
官能化聚合物作为橡胶组合物分散剂的用途,不管是单独还是作为部分或者全部芳香油的替代物,与使用芳香油的橡胶组合物相比增加了橡胶组合物的湿路面牵引力性质。特别地,利用官能化聚合物作为部分或者全部芳香油的替代物的橡胶组合物已经显示出(a)更低的动态剪切模量(G’)和更高的低温损耗模量(G”)(见图1和2),和(b)松弛时间(τ)对温度变化的敏感性更小(见图3),所有这些都表明已经达到了更好的雪和湿路面牵引力。含有官能化聚合物作为部分或者全部芳香油的替代物的橡胶组合物还显示出相似的ShoreA值,表明可比的材料硬度。
因此,本发明的一个方面涉及生产具有改进的湿路面牵引力性质的轮胎的方法。该方法包括(a)制备含有二烯橡胶、一种或多种填料和低分子量官能化聚异丁烯聚合物的橡胶组合物;和(b)硫化该橡胶组合物,以制备具有改进的湿路面牵引力性质的轮胎。
二烯橡胶可以与官能化聚合物相容共混或对其增量。如本领域已知的,二烯橡胶是二烯单体任选地与芳香族单体聚合的聚合产物。合适的二烯单体包括具有约4至约12个碳原子的共轭二烯。优选的共轭二烯包括1,3-丁二烯、异戊二烯、1,3-戊二烯、2,3-二甲基-1,3-丁二烯和月桂烯。最优选的二烯单体是丁二烯。合适的芳香族单体包括含有8至18个碳原子的单乙烯基芳香族单体,如苯乙烯、α-甲基苯乙烯、对甲基苯乙烯和乙烯基萘。优选地,另外的单体是苯乙烯。当二烯单体是丁二烯且芳香族单体是苯乙烯时,二烯橡胶是丁二烯-苯乙烯聚合物。丁二烯-苯乙烯聚合物是通常在工业上用于多种利用橡胶的组分的橡胶状聚合物。丁二烯-苯乙烯聚合物和其它橡胶状聚合物代表优选的二烯橡胶。在制备二烯橡胶,例如含有共轭二烯单体和芳香族乙烯基单体的那些二烯橡胶时,共轭二烯单体和芳香族乙烯基单体一般以95∶5至50∶50,且优选95:5至65∶35的比例使用。
二烯橡胶可以根据本领域技术人员熟知的常规或普通方法或工艺制备。通常,其中将二烯单体溶于溶剂中的乳液方法、阴离子聚合方法或自由基方法都可以采用。该橡胶也可以采用使用多种一般采用的催化剂如有机锂化合物的阴离子聚合来制备。
填料可以是本领域已知的能够与官能化聚合物的官能团相互作用的任何填料。这一相互作用优选通过填料的官能团与官能化聚合物的官能团相互作业而发生。因此含有官能化基团的填料,即官能化填料是优选的。示例的填料包括二氧化硅,氧化铝,矿物填料如粘土,包括硬粘土、软粘土和化学改性的粘土,火山灰,云母、滑石(硅酸镁),CaCO3,TiO2,粉煤灰(ground coal),废胶粉和/或再生橡胶,以及它们的混合物。二氧化硅和氧化铝是具有强的与官能化聚合物相互作用能力的官能化填料的例子,因而代表了最优选的填料。
另一方面填料如炭黑,虽然可以用作填料且可以包括在含有官能化聚合物的橡胶组合物中,但是其不含有官能团或其它会使填料与官能化聚合物相互作用的特征。在填料和聚合物之间如果没有某些类型的相互作用,据信一般与二烯橡胶不溶混的聚合物会显示相分离、渗出,并导致不稳定的组合物。当该组合物用于胎面胶时,它们会导致胎面胶具有相对差的机械强度性质。
因此,本发明的一个方面涉及胎面胶组合物,其含有:(a)二烯橡胶,(b)官能化填料,和(c)低分子量液体官能化丁基聚合物,其中官能化聚合物与官能化填料相互作用。
经常需要在橡胶组合物中包括对于橡胶领域公知的其它配混成分。典型的配混成分是添加剂,如抗氧化剂、稳定剂、固化剂、硫、促进剂和阻滞剂。有用的抗氧化剂和稳定剂的具体实例包括2-(2’-羟基-5’-甲基苯基)苯并三唑,二丁基二硫代氨基甲酸镍(dibutyldithiocarb anate),二丁基二硫代氨基甲酸锌,三(壬基苯基)亚磷酸盐,2,6-二叔丁基-4-甲基苯酚等。这些配混成分根据产品的预期用途以合适的量加入,优选为在1至350份添加剂或配混成分每100份橡胶的范围内。当加入配混成分时可以使用标准橡胶混炼设备和工序。
该橡胶组合物可以通过本领域公知的任何方式配混这些成分而制备,例如溶液共混、塑炼、内间式歇混炼(internal batchmixing)或者连续挤出官能化聚合物、二烯橡胶、填料和其它成分。快速且方便的制备方法包含将各组分的混合物加热到约50℃至约290℃的温度。该共混组合物可以在任何常规混炼机如班伯里混炼机或辊炼机(roll mill)或挤出机中,在约70℃至约300℃的温度范围内混炼,优选将组合物在其熔点以上维持几分钟到几小时,优选5至40分钟。
该橡胶组合物可以在所有工业领域使用,特别是用于汽车部件、轮胎、轮胎胎面胶、家用电器、工业机器、精密仪器、运输机器、建筑物、工程、医疗仪器和轮胎橡胶配方的制造。该橡胶组合物还可以用于形成其它轮胎部件如副胎面花纹条(subtreads)、黑胎侧(black sidewalls)、胎体帘线层表层(bodyply skims)、胎边芯(bead fillers)等等。当作为轮胎或者轮胎部件制备时,该橡胶组合物可以根据用于生产轮胎和轮胎部件的已知的硫化技术硫化。
本发明的实践进一步通过下述实施例阐明,其不应该解释为对在权利要求中陈述的本发明的范围的限制。
实施例
实施例1:聚异丁烯酰亚胺的制备
将211g聚异丁烯丁二酸酐(Mw:1900;Mn:1000;95meqCOOH/100g;在名称OLOA 15500下从Chevron Chemicals购买)和10.24g 3-(二甲氨基)丙胺(从Aldrich购买)装入干燥的1.5L瓶子中。将两种原料剧烈混合1小时。混合物的温度从23℃升至65℃,表明化学反应已经发生。反应完成后,将组合物在室温下冷却4小时。然后将该组合物置于在110℃下的真空烘箱中20小时,以便于组合物脱水。观察到最终产物是褐色粘稠的液体。通过红外光谱分析的测试证实最终产物为聚异丁烯酰亚胺。
实施例2(对比实施例)
将下述组分在300g Brabe nder混炼机中混合,搅拌速度60rpms,初始温度110℃。所列出的量基于100份橡胶。
| 组分 | 量 |
| 丁苯橡胶1 | 100 |
| 沉淀二氧化硅填料2 | 70.0 |
| 芳香油3 | 30.0 |
| 石蜡4 | 1.50 |
| 硬酯酸(Steric Acid)5 | 2.00 |
| Santoflex 13(抗氧化剂)6 | 0.95 |
| Si 69(硅烷偶联剂)7 | 8.00 |
1.23.5%苯乙烯,溶液聚合,100℃下的门尼(Mooney)粘度=55,11%乙烯基含量;可从Firestone Synthetic(Akron,O H)获得
2.从PPG(Pittsburgh,PA)购买,作为水合无定形二氧化硅
3.从Mobil(Fairfax,VA)购买,商品名Mobilsol 90
4.从Aston Wax Corp.(Tilusville,PA)购买
5.从Sherex Chemical(Dublin,OH)购买
6.化学名称:N-(1,3-二甲基丁基)-N’-苯基-对苯二胺;从Monsanto(St.Louis,MO)购买,商品名6PPD
7.化学名称:双-(3-三乙氧基-甲硅烷基丙基)四硫化物;从Degussa(Parsippany,NJ)购买
母料阶段:在零时间点,将丁苯橡胶装入混炼机并加热到初始温度110℃。在t=0.5分钟时加入剩余的组分。在t=5分钟时将批料(batch)放出,此时坯料(stock)的温度接近约160℃。
回炼阶段(Remill Stage):将该母炼胶坯料(masterb atchstock)在与母炼胶(master batch)基本相同的条件下回炼。回炼阶段主要用于改善聚合物和填料之间的混合。
将下述组分加入母炼胶和回炼阶段混合的组分中。这些组分在300g布拉本德混炼机中混合,搅拌速度60rpms,初始温度75℃。这些量都是基于100份橡胶。
| 组分 | 量 |
| 硫1 | 1.70 |
| N-(环己基硫代)邻苯二甲酰亚胺(阻滞剂)2 | 0.25 |
| 氧化锌3 | 2.50 |
| 环己基苯并噻唑磺酰胺(促进剂)4 | 1.50 |
| 二苯胍5 | 0.50 |
1.从International Sulphur(Mt.Pleasant,TX)购买
2.从Monsanto(St.Louis,MO)购买,商品名SantogardPVI
3.从Zinc Corp.America(Monaca,PA)购买
4.从Monsanto(St.Louis,MO)购买
5.从Monsanto(St.Louis,MO)购买
终批料阶段:在零时间点,将母炼胶坯料加入混炼机中,其中温度保持在75℃。然后在t=0.5分钟时装入各组分。在t=1.3分钟时将终批料放出,此时坯料的温度达到约90℃。
实施例3:部分置换芳香油
使用相同的组分和相同的工序制备实施例2中的橡胶组合物,不同之处在于仅用15份实施例1中制备的聚异丁烯酰亚胺替换15份芳香油。
实施例4:完全置换芳香油
使用相同的组分和相同的工序制备实施例2中的橡胶组合物,不同之处在于用30份实施例1中制备的聚异丁烯酰亚胺替换全部的30份芳香油。
表1汇总了实施例2-4的实验结果:
表1:实施例2-4的分析
如表1中可以看出,根据本发明的实施例3和4在与实施例2(对比实施例)比较时显示出改进的急转(sheer)和湿路面牵引力性质。特别地,实施例3和实施例4具有更好的对湿混凝土的英国便携式防滑性试验机值和更低的-25℃下的G’值,意味着由实施例3和4的橡胶组合物生产的轮胎在水、冰和雪表面具有改进的湿牵引。此外,实施例3和4具有更好的在50℃下的流变(theological)性质(tanδ和G’),意味着橡胶具有更好的操作性质(在50℃下的高G’)和更低的滚动阻力(在50℃下的低tanδ)。在实施例3和4显示出改进的湿牵引和急转(sheer)值的同时,它们还产生关于参数例如由Shore A测试评估的材料硬度的可比的数据。在这一测试中,在22℃和100℃下进行,实施例3和4的值与实施例2中的值是可比的,证明实施例3和4的橡胶组合物具有可接受的硬度性质。
实施例5(对比实施例)
使用相同的组分和相同的工序制备实施例2中的橡胶组合物,不同之处在于用30份常规液体异丁烯聚合物(未官能化的低分子量聚异丁烯,以商品名Kalene 800从Elements Specialties inBelleville,NJ购得)替换30份芳香油。与在实施例4中使用的低分子量官能化聚合物不同,该未官能化的低分子量聚合物不能制备出稳定的橡胶组合物,未官能化的聚合物渗出表面。此外,该组合物不可接受地发粘。
实施例6(对比实施例)
使用相同的组分和相同的工序制备实施例2中的橡胶组合物,不同之处在于用30份常规液体丁烯聚合物(未官能化的低分子量的聚丁烯,以商品名Indopol H-300从Amoco in Chicago,IL购买)替换30份芳香油。与在实施例4中使用的低分子量官能化聚合物不同,该未官能化的低分子量的聚合物不能制备出稳定的橡胶组合物。该未官能化的聚合物渗出表面,且该组合物不能令人满意地固化。
实施例7(对比实施例)
使用相同的组分和相同的工序制备实施例4中的橡胶组合物,不同之处在于用50份炭黑(未官能化的填料,以商品名N343从位于Marietta.GA的Columbia Chemical Company购买,)替换70份二氧化硅。由于聚合物的官能团不能与填料相互作用,所以所产生的组合物是不稳定的,在大约储存一个月后聚合物渗出表面。
提供前述实施方案的说明是为了使本领域的任何熟练技术人员能够制造或者使用本发明的实施方案。对这些实施方案的各种改变是可能的,且这里提出的普通原则也可以应用于其它实施方案。正如这样,本发明并非意图受上面所示的实施方案的限制,而是给予与这里以任何形式公开的原则和新颖性特征相一致的最宽的范围。
Claims (20)
1.一种胎面胶组合物,其包含:
a.二烯橡胶;
b.二氧化硅;和
c.分子量为1,000至50,000的官能化聚合物;
其中所述官能化聚合物是酐官能化聚合物与具有式H2N-(CH2)x-A的胺的反应产物,
其中x是范围为0-60的整数,A是选自由羟基、羧基、羰基、烷氧基、烷氧羰基、氰基、氨基、酰胺基、亚氨基、巯基、氨基甲酰基、叠氮基、酯基、醚基、氨基甲酸酯基、过氧化物基、咪唑基、吡啶基和它们的衍生物组成的组中的官能团,
其中所述反应产物为酰亚胺官能化聚合物。
2.根据权利要求1所述的胎面胶组合物,其中该官能团A是仲氨基,x范围为1-6。
3.根据权利要求2所述的胎面胶组合物,其中该具有式H2N-(CH2)x-A的胺是3-(二甲氨基)丙胺。
4.根据权利要求3所述的胎面胶组合物,其中该官能化聚合物的分子量为1,000至5,000。
5.根据权利要求1所述的胎面胶组合物,其中该官能化聚合物是官能化聚异丁烯。
6.根据权利要求1所述的胎面胶组合物,其中该胎面胶组合物还含有不超过15phr的芳香油。
7.根据权利要求6所述的胎面胶组合物,其中该胎面胶组合物不含有芳香油。
8.根据权利要求5所述的胎面胶组合物,其中该官能团A是仲氨基,x范围为1-6。
9.根据权利要求8所述的胎面胶组合物,其中该具有式H2N-(CH2)x-A的胺是3-(二甲氨基)丙胺。
10.根据权利要求9所述的胎面胶组合物,其中该官能化聚合物的分子量为1,000至5,000。
11.一种生产具有改进的湿路面牵引力性质的轮胎的方法,包含
a.制备含有以下的胎面胶组合物
i.二烯橡胶;
ii.二氧化硅;
iii.分子量为1,000至50,000的官能化聚合物;和
b.硫化该胎面胶组合物,以生产具有改进的湿路面牵引力性质的轮胎,
其中所述官能化聚合物是酐官能化聚合物与具有式H2N-(CH2)x-A的胺的反应产物,
其中x是范围为0-60的整数,A是选自由羟基、羧基、羰基、烷氧基、烷氧羰基、氰基、氨基、酰胺基、亚氨基、巯基、氨基甲酰基、叠氮基、酯基、醚基、氨基甲酸酯基、过氧化物基、咪唑基、吡啶基和它们的衍生物组成的组中的官能团,
其中所述反应产物为酰亚胺官能化聚合物。
12.根据权利要求11所述的方法,其中该官能团A是仲氨基,x范围为1-6。
13.根据权利要求12所述的方法,其中该具有式H2N-(CH2)x-A的胺是3-(二甲氨基)丙胺。
14.根据权利要求13所述的方法,其中该官能化聚合物的分子量为1,000至5,000。
15.根据权利要求11所述的方法,其中该官能化聚合物是官能化聚异丁烯。
16.根据权利要求11所述的方法,其中该胎面胶组合物还含有不超过15phr的芳香油。
17.根据权利要求16所述的方法,其中该胎面胶组合物不含有芳香油。
18.根据权利要求15所述的方法,其中该官能团A是仲氨基,x范围为1-6。
19.根据权利要求18所述的方法,其中该具有式H2N-(CH2)x-A的胺是3-(二甲氨基)丙胺。
20.根据权利要求19所述的方法,其中该官能化聚合物的分子量为1,000至5,000。
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- 2006-12-19 EP EP06256456.2A patent/EP1803771B1/en not_active Not-in-force
- 2006-12-19 ES ES06256456.2T patent/ES2660902T3/es active Active
- 2006-12-27 JP JP2006352814A patent/JP5196783B2/ja not_active Expired - Fee Related
- 2006-12-28 BR BRPI0605395-5A patent/BRPI0605395A/pt not_active Application Discontinuation
- 2006-12-28 CN CN2006101703372A patent/CN1995119B/zh not_active Expired - Fee Related
- 2006-12-28 US US11/646,981 patent/US9752020B2/en not_active Expired - Fee Related
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| CN1091765A (zh) * | 1994-01-18 | 1994-09-07 | 吉林省华详实业公司 | 聚氨酯粘接剂/密封胶和制作方法 |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2007182572A (ja) | 2007-07-19 |
| CN1995119A (zh) | 2007-07-11 |
| BRPI0605395A (pt) | 2007-10-16 |
| US9752020B2 (en) | 2017-09-05 |
| ES2660902T3 (es) | 2018-03-26 |
| EP1803771B1 (en) | 2017-12-06 |
| JP5196783B2 (ja) | 2013-05-15 |
| EP1803771A1 (en) | 2007-07-04 |
| US20070149689A1 (en) | 2007-06-28 |
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