硫化过程在轮胎生产中的作用

2025-03-17 00:10:42
推荐回答(4个)
回答1:

  硫化过程中发生了硫的交联,这个过程是指把一个或更多的硫原子接在聚合物链上形成桥状结构。反应的结果是生成了弹性体,它的性能在很多方面都有了改变,硫化剂可以是硫或者其它相关物质。
  胎坯硫化前在其内部喷上一种隔离剂,起到润滑并防止与轮胎胎里粘连的作用,在胎坯外部喷上一种表面活性物质.以促进胶料表面流动.获得最佳的外观质里(常用于子午胎)。

回答2:

硫化的目的就是通过外力剪切、高温促使橡胶内的链状分子交联成网状分子,加强其拉力、硬度、老化、弹性等性能,使其变得更有使用价值。

回答3:

硫化作为轮胎的后工序,对轮胎质量至关重要。硫化过程就是橡胶分子与硫形成交联键的过程,当然期间有许多配合剂协同反应,作为一个复杂的化学反应,影响关键因素,温度、时间、压力。

回答4:

在一定的温度和压力的条件下,橡胶半成品内部产生化学反应,使线型的橡胶大分子之间通过交联反应转变成网状或体型结构,获得需要的物理机械性能(如弹性、强度、硬度、耐磨性等)。

这是专业术语,简单的理解就是蒸馒头:将生面和成的生馒头在蒸锅中蒸煮熟

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