Preparation and ablation properties study of a single component ceramifiable RTV silicone rubber

IF 1.2 4区化学 Q4 POLYMER SCIENCE

Journal of Rubber Research Pub Date : 2023-09-28 DOI:10.1007/s42464-023-00222-6

Xuebao Wang, Ao Huang, Min Zhao, Jianhua Li, Sicheng Li, Xiaobin Li

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Abstract

Room temperature vulcanised (RTV) silicone rubber is widely used in daily life. Ordinary and traditional flame-retarding RTV silicone rubber are easy to turn into brittle char layer or ashes without any self-supporting and bonding ability after experiencing a combustion process, which could not inhibit the secondary disasters after fire. To improve the fire-resistance performances of RTV silicone rubber, a new single component ceramifiable RTV silicone rubber was prepared in this work. The tack-free time, mechanical properties and thermal properties of different formulations were tested. The flexural strength and adhesion strength of the ceramic residues were studied by orthogonal designed experiments, which exhibited the maximum of 8.80 and 0.300 MPa after sintering at 1000 °C, respectively. The ceramifying process of the single component ceramifiable RTV silicone rubber at high temperatures was also investigated. These results will provide a basis for the development of fire-resistant silicone adhesive with better performance that can meet the actual needs.

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单组分可陶化RTV硅橡胶的制备及烧蚀性能研究

室温硫化(RTV)硅橡胶在日常生活中应用广泛。普通和传统的阻燃型RTV硅橡胶在经历燃烧过程后容易变成脆性炭层或灰层，没有任何自支撑和粘结能力，不能抑制火灾后的次生灾害。为提高硫化硅橡胶的耐火性能，制备了一种新型的单组分陶瓷化硫化硅橡胶。测试了不同配方的无胶时间、力学性能和热性能。通过正交设计实验研究了陶瓷渣的抗折强度和粘接强度，结果表明，在1000℃烧结后，陶瓷渣的抗折强度和粘接强度分别达到了8.80和0.300 MPa。研究了单组分可陶化RTV硅橡胶在高温下的陶化过程。这些结果将为开发性能更好、更能满足实际需要的防火硅酮胶提供依据。

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来源期刊

Journal of Rubber Research 化学-高分子科学

自引率

15.40%

发文量

审稿时长

3 months

期刊介绍： The Journal of Rubber Research is devoted to both natural and synthetic rubbers, as well as to related disciplines. The scope of the journal encompasses all aspects of rubber from the core disciplines of biology, physics and chemistry, as well as economics. As a specialised field, rubber science includes within its niche a vast potential of innovative and value-added research areas yet to be explored. This peer reviewed publication focuses on the results of active experimental research and authoritative reviews on all aspects of rubber science. The Journal of Rubber Research welcomes research on: the upstream, including crop management, crop improvement and protection, and biotechnology; the midstream, including processing and effluent management; the downstream, including rubber engineering and product design, advanced rubber technology, latex science and technology, and chemistry and materials exploratory; economics, including the economics of rubber production, consumption, and market analysis. The Journal of Rubber Research serves to build a collective knowledge base while communicating information and validating the quality of research within the discipline, and bringing together work from experts in rubber science and related disciplines. Scientists in both academia and industry involved in researching and working with all aspects of rubber will find this journal to be both source of information and a gateway for their own publications.