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Obturator type silicone rubber foam-HongYe silicone Date:2013-04-23

        Silicone rubber foam material is silicon rubber through foaming preparation of porous polymer elastic material, according to the bubble hole structure can be divided into closed, opening and hybrid mesoporous silicon rubber foam. Room temperature vulcanized silicone rubber foam usually adopts the condensation type hydroxyl-terminated silicone rubber as base material, hydroxyl silicone oil as foaming agent, platinum complexes as catalyst, room temperature vulcanizing and foaming the hole of the spongy elastomer. Room temperature vulcanized silicone rubber foam applied to in situ foaming forming, filling, sealing, damping effect; high temperature vulcanization silicone rubber foam in the traditional preparation method, containing a particulate inorganic filler of silicone rubber, foaming agent and curing agent uniformly mix, and then through the heating curing, foaming, prepared oh foam.

        High temperature vulcanized silicone rubber foam, silicone rubber and foam properties of materials integration, not only has the excellent properties of silicone rubber, also have low density, good absorption of mechanical vibration or shock physical properties, sound insulation, heat insulation, sealing and other functions, can be used for sealing, damping, sound insulation, insulation, thermal insulation materials in transportation, petroleum chemical industry, electronic industry, national defense and aerospace fields have a wide range of uses.

       A closed cell silicone rubber foam material and its preparation method and application thereof, which is characterized in 100 weight portions, silicone rubber reinforcing agent from 15 to 80 by weight, structure controlling agent from 2 to 15 parts by weight of foaming agent, 3 to 15 weight portions of foaming agent, 0 to 3 parts by weight of and help 0 crosslinking agent to 4 parts by weight of mixing and molding, the electron beam or ray after silicone rubber crosslinking reaction, the radiation dose was 5 ~20kGy, then heating the foaming agent decomposes foam, silicone rubber foam immediately after using electron beam or ray two radiation cross-linking, radiation dose of 20~ 50kGy, in order to further to improve the comprehensive performance of the silicone rubber foam material. The silicone rubber foam material used as a seal, shock absorption, insulation, sound insulation, thermal insulation material.

TypeInfo: Silicone Usage

Keywords for the information:silicone foam  silicone rubber foam  silicon foam 

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