a rubber compound
A technology of mixing rubber and vulcanizing agent, which is applied in the field of aviation material manufacturing, and can solve problems such as environmental pollution, environmental protection and safety hazards
Active Publication Date: 2018-04-13
沈阳飞机设计研究所扬州协同创新研究院有限公司
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Problems solved by technology
[0004] Since the 1980s, the domestic civilian nitrile rubber has been mainly low-temperature polymerized soft nitrile, but aviation nitrile rubber cannot be achieved by civil nitrile rubber due to various performance problems. Therefore, high-temperature polymerization is still mainly used. Hard nitrile raw rubber produced by polymerization process, the production process of hard nitrile raw rubber seriously pollutes the environment, and there are constant hidden dangers in environmental protection and safety
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[0013] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below ...
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The invention discloses a compound rubber. The rubber compound comprises: 100 parts by weight of Zeon nitrile DN4050; 3.5 parts by weight of vulcanizing agent; 3.5 parts by weight of accelerator; 6 parts by weight of active agent; 3 parts by weight of anti-aging agent; 70 parts by weight of spray Carbon black; 25 parts by weight of light calcium; 20 parts by weight of plasticizer; 5 parts by weight of antifungal agent. The mixed rubber of the present invention adopts soft nitrile raw rubber as raw material, analyzes the hard nitrile raw rubber used in the original formula and the soft nitrile raw rubber to be adopted in molecular structure, composition distribution, molecular weight, molecular weight distribution, degree of branching, gel content, butyronitrile. The microstructure of the short chain of diene, the distribution of chain segments and other raw rubber properties and the performance of the mixed rubber are different. On the basis of comparative analysis, the best alternative species is theoretically found out, and then through formula design, actual compounding, mixing, After vulcanization, the properties of the finally prepared nitrile rubber meet the original index requirements.
Description
technical field [0001] The invention relates to the technical field of aviation material manufacturing, in particular to a compound rubber. Background technique [0002] Raw rubber is the main and key raw material of rubber materials, and the properties of rubber materials mainly depend on the type of raw rubber used. It can be divided into high-temperature polymerization and low-temperature polymerization according to the polymerization process, which mainly depends on the initiator selected for the reaction. High-temperature polymerized hard nitrile raw rubber generally has a wide composition distribution, high gel content, many branched chains, and high Mooney viscosity. When producing mixed rubber, it needs to be masticated many times, with poor processability and huge processing energy consumption. Products are rarely used. [0003] Low-temperature polymerized soft nitrile raw rubber has low gel composition and Mooney viscosity, high microstructure regularity, narrow ...
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IPC IPC(8): C08L9/02C08K13/02C08K3/04C08K3/06C08K5/11C08K5/14C08K3/26
Inventor 绳索修田旭许广兴陈亚争李丽贤
Owner 沈阳飞机设计研究所扬州协同创新研究院有限公司