Pneumatic tire with depolymerized butyl rubber-based built-in sealant prepared with activated organoperoxide
    1.
    发明授权
    Pneumatic tire with depolymerized butyl rubber-based built-in sealant prepared with activated organoperoxide 有权
    气动轮胎采用解聚丁基橡胶为主的内置密封胶,用活性有机过氧化物制成

    公开(公告)号:US07674344B2

    公开(公告)日:2010-03-09

    申请号:US11212525

    申请日:2005-08-26

    摘要: The present invention relates to a pneumatic tire with a built-in sealant layer comprised of a depolymerized butyl rubber based sealant precursor. The butyl rubber of the built-in sealant precursor composition is depolymerized in situ within the tire with an activated free radical generating organoperoxide. The organoperoxide is activated with a 2,2,6,6-tetra alkyl piperidine hindered amine. Representative of such hindered amines are, for example, a poly[[6-[1,1,3,3,-tetramethylbutyl)amino]-s-triazine-2,4-diyl][2,2,6,6,-tetramethyl-4-piperidyl)imino]hexamethylene[(2,2,6,6-tetramethyl-4-piperidyl)imino]] compound. The sealant layer, if desired, may be of a color which contrasts with black. For such purpose the sealant layer may contain a colorant of a non-black color to a substantial exclusion of carbon black. The butyl rubber-based sealant precursor is built into the tire as a layer to form a tire assembly wherein the butyl rubber-based composite portion of the sealant precursor layer is at least partially depolymerized by a said activated organoperoxide during a subsequent curing of the tire at an elevated temperature in a suitable mold to form the tire having the resultant built-in sealant layer. The sealant composition may additionally contain conventional clay, exfoliated intercalated clay platelets and/or calcium carbonate.

    摘要翻译: 本发明涉及具有由解聚的丁基橡胶基密封剂前体构成的内置密封剂层的充气轮胎。 内置的密封剂前体组合物的丁基橡胶在轮胎内原位与活化的自由基产生有机过氧化物解聚。 有机过氧化物用2,2,6,6-四烷基哌啶受阻胺活化。 这种受阻胺的代表是例如聚[[6- [1,1,3,3 - 四甲基丁基]氨基] -s-三嗪-2,4-二基] [2,2,6,6, - 四甲基-4-哌啶基)亚氨基]六亚甲基[(2,2,6,6-四甲基-4-哌啶基)亚氨基]]化合物。 如果需要,密封剂层可以是与黑色相反的颜色。 为了这个目的,密封剂层可以包含非黑色的着色剂,实际上排除了炭黑。 将基于丁基橡胶的密封剂前体作为一层形成轮胎组件,其中密封剂前体层的基于丁基橡胶的复合部分在随后的轮胎固化期间被所述活化的有机过氧化物部分解聚 在合适的模具中在高温下形成具有所得内置密封剂层的轮胎。 密封剂组合物可以另外包含常规粘土,剥离的插层粘土片晶和/或碳酸钙。

    Retreaded tire having tread with oil rich rubber-based adhesive
    3.
    发明授权
    Retreaded tire having tread with oil rich rubber-based adhesive 失效
    具有胎面的翻新轮胎具有富含油的橡胶基粘合剂

    公开(公告)号:US06397910B1

    公开(公告)日:2002-06-04

    申请号:US09481892

    申请日:2000-01-12

    IPC分类号: B60C100

    摘要: A retreaded tire comprised of a tread and carcass with an intervening rubber layer, conventionally referred to as a cushion, wherein the tread has an oil rich rubber-based adhesive on its inner surface at the interface between said tread and cushion. Said oil rich rubber based adhesive is free, or substantially free, of volatile organic compounds, particularly volatile organic solvents. Alternately, the oil-rich rubber-based adhesive may contain oil and volatile organic solvent wherein oil is the major component insofar as the oil and solvent is concerned.

    摘要翻译: 一种由胎面和胎体组成的翻新轮胎,具有中间橡胶层,通常称为衬垫,其中胎面在其位于所述胎面和衬垫之间的界面处的内表面上具有富含油的橡胶基粘合剂。 所述富油橡胶基粘合剂是挥发性有机化合物,特别是挥发性有机溶剂的游离或基本上不含的。 或者,富含油的橡胶基粘合剂可以含有油和挥发性有机溶剂,其中油是关于油和溶剂的主要成分。

    Sulfur vulcanizable rubber containing sodium thiosulfate pentahydrate
    4.
    发明授权
    Sulfur vulcanizable rubber containing sodium thiosulfate pentahydrate 失效
    硫硫化橡胶含硫代硫酸钠五水合物

    公开(公告)号:US5728778A

    公开(公告)日:1998-03-17

    申请号:US734814

    申请日:1996-10-22

    CPC分类号: C08K3/30 C08K5/548

    摘要: A method is disclosed for processing a rubber composition comprising thermomechanically mixing at a rubber temperature in a range of 140.degree. C. to 190.degree. C. for a mixing time of 1 to 20 minutes (i) 100 parts by weight of at least one sulfur vulcanizable elastomer selected from conjugated diene homopolymers and copolymers, natural rubber and copolymers of at least one conjugated diene and aromatic vinyl compound; (ii) 10 to 250 phr of particulate precipitated silica; (iii) 0.01 to 1.0 parts by weight per weight of said silica of an organosilicon compound; and (iv) 0.05 to 10 phr of sodium thiosulfate pentahydrate. Addition of the sodium thiosulfate pentahydrate to sulfur vulcanizable rubber, silica and sulfur containing organosilicon compound decreases the mixing/processing time without sacrificing end product properties.

    摘要翻译: 公开了一种用于加工橡胶组合物的方法,该橡胶组合物包括在140℃至190℃范围内的橡胶温度下热机械混合,混合时间为1至20分钟(i)100重量份的至少一种硫 选自共轭二烯均聚物和共聚物的可硫化弹性体,天然橡胶和至少一种共轭二烯和芳族乙烯基化合物的共聚物; (ii)10至250phr微粒沉淀二氧化硅; (iii)0.01至1.0重量份的所述有机硅化合物二氧化硅; 和(iv)0.05至10phr硫代硫酸钠五水合物。 将硫代硫酸钠五水合物加入可硫化橡胶,二氧化硅和含硫有机硅化合物中,减少混合/处理时间,而不会牺牲最终产品性能。

    RETREAD CUSHION LAMINATE
    5.
    发明申请

    公开(公告)号:US20100154950A1

    公开(公告)日:2010-06-24

    申请号:US12342247

    申请日:2008-12-23

    IPC分类号: B60C11/02

    摘要: The present invention is directed to a tire retread cushion laminate, comprising a first rubber layer, a second rubber layer, and an intermediate rubber layer disposed between the first and second rubber layers such that the first and second rubber layers do not meet; the first rubber layer comprising a sulfur donor and substantially devoid of vulcanization accelerators; the second rubber layer comprising a vulcanization accelerator and substantially devoid of sulfur donors; the intermediate rubber layer being substantially devoid of sulfur donors or vulcanization accelerators.

    摘要翻译: 本发明涉及一种轮胎翻新垫层压板,其包括第一橡胶层,第二橡胶层和设置在第一和第二橡胶层之间的中间橡胶层,使得第一和第二橡胶层不相遇; 所述第一橡胶层包含硫供体并且基本上不含硫化促进剂; 所述第二橡胶层包含硫化促进剂并且基本上不含硫供体; 中间橡胶层基本上没有硫供体或硫化促进剂。

    Bonding elastomeric articles
    6.
    发明授权
    Bonding elastomeric articles 失效
    粘合弹性制品

    公开(公告)号:US06808579B1

    公开(公告)日:2004-10-26

    申请号:US10031500

    申请日:2002-01-15

    IPC分类号: B29D3056

    摘要: An improved method of bonding at least two cured or uncured elastomeric layers is disclosed. The method comprising placing an uncured elastomeric component (22) between the two elastomeric layers, and curing the elastomeric component to bond the elastomeric layers together. The improvement is characterized by forming the uncured elastomeric component (22) by preparing two non-productive elastomer compounds (10, 12), wherein each non-productive compound (10 or 12) is prepared with a co-reacting agent of a co-reacting cure package not added to the other non-productive compound (12 or 10), and layering the non-productive elastomer compounds (10, 12) in alternating layers with a thickness relative to the diffusion rate of the co-reacting agents in each non-productive elastomeric layer (10, 12) to effect diffusion of the co-reacting cure agents through the adjacent layers.

    摘要翻译: 公开了一种粘合至少两种固化或未固化的弹性体层的改进方法。 该方法包括将未固化的弹性体组分(22)放置在两个弹性体层之间,并固化弹性体组分以将弹性层粘合在一起。 其改进的特征在于通过制备两种非生产性弹性体化合物(10,12)来形成未固化的弹性体组分(22),其中每个非生产性化合物(10或12)均由共 - 将未加入其它非生产性化合物(12或10)中的固化包装反应,并将非生产性弹性体化合物(10,12)以相对于共反应剂在每个中的共反应剂的扩散速率的厚度的交替层分层 非生产性弹性体层(10,12),以使共反应固化剂通过相邻层的扩散。