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Radiation-resistant additive and method for synthesizing and preparing radiation-resistant silicone rubber material

A technology of radiation resistance and additives, which is applied in the field of preparation of radiation-resistant silicone rubber materials

Active Publication Date: 2021-09-14
BAIMTEC MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Chinese patent CN100480333C and U.S. patents US3032531, US3876605, US5196228A, etc. all use phenyl silicone rubber as raw rubber to prepare rubber with radiation resistance, which really improves the radiation resistance of silicone rubber, and its radiation resistance can reach 5× 10 8 Lun or so, but in the face of today's higher radiation resistance performance requirements, they are already incompetent

Method used

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  • Radiation-resistant additive and method for synthesizing and preparing radiation-resistant silicone rubber material
  • Radiation-resistant additive and method for synthesizing and preparing radiation-resistant silicone rubber material
  • Radiation-resistant additive and method for synthesizing and preparing radiation-resistant silicone rubber material

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Embodiment Construction

[0028] Below in conjunction with embodiment technical scheme of the present invention is described in further detail:

[0029] The steps of the preparation method of the silazane damping agent containing triphenylsiloxane structure are:

[0030] (1) Preparation for synthesis

[0031] Molecular sieves are dried in a box-type resistance furnace at 400°C for 3.0 hours, put into a desiccator to cool, then put dry molecular sieves into a container containing toluene, and place them for more than 2 days before use; the glass instruments and stirring After the rod is cleaned, put it into the oven, set the temperature of the oven at 120°C, bake for 2 hours, and wait for use after cooling. The glass instrument includes a four-necked reaction bottle, an air guide tube, a reflux condenser, and a constant pressure dripping device.

[0032] (2) intermediate synthesis reaction

[0033] Install a stirring device at the middle port of the four-necked reaction bottle, install an air guide pi...

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Abstract

The invention provides a radiation-resistant additive and a method for synthesizing and preparing a radiation-resistant silicone rubber material. The structural formula of the radiation-resistant additive is as follows, and it is used as a radiation-resistant additive, with phenyl silicone rubber as the base rubber, and reinforced Agent, structure control agent and vulcanizing agent are mixed and vulcanized into radiation-resistant silicone rubber material. The radiation-resistant silicone rubber material prepared by the present invention has good radiation-resistant performance, and can be used to produce various types of rubber products such as electric wires, cable sheaths, rubber gaskets, sealing parts, diaphragms, etc. in various irradiation occasions. Widely used in aerospace, nuclear industry, electronic communication, chemical industry, medicine, shipbuilding and other fields that require resistance to high-energy radiation.

Description

technical field [0001] The invention belongs to the technical field of special rubber functional materials and their production, and relates to a radiation-resistant additive containing a polyphenylsilazane structure, a synthesis method thereof, and a preparation method for preparing radiation-resistant silicone rubber materials. Background technique [0002] Since the oil crisis, countries around the world have generally attached importance to the development and utilization of energy, and people have been working hard to find energy that can replace oil. Therefore, nuclear power, as a safe, clean and reliable energy source, has been paid more and more attention to its development and utilization. In order to ensure the safety of nuclear power equipment, a large number of polymer elastomer sealing materials are used in electrical instruments, wire and cable insulation materials, gasket seals, etc. in the equipment. This type of sealing material not only needs to have suffi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F7/10C08L83/04C08K13/02C08K5/5445C08K3/36C08K5/14
CPCC07F7/10C08K3/36C08K5/14C08K5/544C08K13/02C08L2201/08C08L83/04
Inventor 黄艳华孙全吉薛磊苏正涛刘嘉
Owner BAIMTEC MATERIAL CO LTD
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