| 法兰式高压胶管高压胶管有氧化及抗氧化性？ |
| 添加时间：2019/3/15 13:54:35 浏览次数： |
| 日常生活中，我们用到的和接触到的法兰式高压胶管以及软管非常多，大家对于产品的特性可能也了解一些,但还不够全面，之前我们讲了“耐磨王”高压胶管、耐高温胶管的基本概述、耐酸碱胶管 等等方面的高压胶管知识信息，接下来我们再来介绍一种特性——高压胶管氧化及抗氧化性? In our daily life, we use and touch a lot of flanged high-pressure hoses and hoses, you may also know some about the characteristics of the product, but not comprehensive enough. Before that, we talked about the "wear-resistant king" high-pressure hoses, high-temperature hoses, acid and alkali hoses and other aspects of high-pressure hose knowledge information, and then we will introduce a feature.—— High pressure hose oxidation and oxidation resistance? 许多高低压胶管和液压胶管及胶带胶料都采用硫黄硫化体系硫化以得到最佳的耐热性能,。其硫化胶的耐热性能可通过减少或避免使用元素硫加以改善,因为这样可尽量减少或消除多硫交联键并主要生成单硫或双硫交联键。为了得到最佳的耐热性能必须使用过氧化物,用过氧化物硫化时可以生成热稳定性更好的碳碳交联键。 Many high and low pressure rubber pipes and hydraulic rubber pipes and rubber tapes are vulcanized with sulfur curing system to obtain the best heat resistance. The heat resistance of the vulcanizate can be improved by reducing or avoiding the use of elemental sulfur, which can minimize or eliminate polysulfide cross-linking bonds and mainly produce monosulfur or disulfide cross-linking bonds. In order to obtain the best heat resistance, peroxide must be used. When vulcanized with peroxide, carbon-carbon crosslinking bonds with better thermal stability can be formed. 在使用过氧化物时,需要特别注意其它的添加剂。例如防老剂(包括抗氧剂和抗臭氧剂)的选择就需要更加严格,因为许多防老剂会干扰过氧化物硫化。另外,在使用过氧化物时,要减小酸性填料的用量以防止过氧化物阳离子分解而导致高低压胶管的硫化程度过低(表现为较低的硬度、较低的模量和较高的压缩永久变形)。如有可能,添加碱性化合物,如氧化锌或氧化镁,通常可以提高过氧化物的交联效率。还有,石蜡油效果较好,要避免使用芳烃油和溶剂。 When using peroxide, special attention should be paid to other additives. For example, the selection of antioxidants (including antioxidants and ozone inhibitors) needs to be more stringent, because many antioxidants interfere with peroxide vulcanization. In addition, when using peroxide, the amount of ge.75ix.comdugebang.75ix.comwww.yeyadabaoji.com.cnwww.hfguoyu.cnwww.dispLay0755.com.cn www.coron.com.cnacidic filler should be reduced to prevent the cationic decomposition of peroxide, resulting in the low vulcanization degree of high and low pressure rubber hose (showing lower hardness, lower modulus and higher compression permanent deformation). If possible, alkaline compounds such as zinc oxide or magnesium oxide can usually improve the crosslinking efficiency of peroxides. In addition, paraffin oil has better effect, and aromatic oil and solvent should be avoided. |
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