Halogen-free flame retardant silicone rubber composites

Title: Halogen-free flame retardant silicone rubber composites
　　Author: Xu Fei Juan
　　Degree-granting units: Nanchang University
　　Keywords: 107 silicone rubber (Q);; synergies;; flame retardant;; mechanical properties
　　Summary:
　　Requirements in many areas, with flame retardant silicone rubber, and silicone rubber itself is flammable, and therefore need to be modified.
　　This paper studies the silicone rubber (Q) / conventional flame retardant properties of composite materials, mechanical properties and microstructure has been hydrated metal oxide compound and flame retardant synergy between. Found that Neodymium Magnets magnesium hydroxide (Mg (OH) 2) alone added to the flame retardant silicone rubber is better than too much aluminum hydroxide (Al (OH) 3), but Mg (OH) 2 and the compatibility of silicone rubber than the Al ( OH) 3 and the compatibility of silicone rubber is worse; separate add iron oxide (Fe203) or aluminum oxide (Al2O3) composites in the vertical burning flame test can not be graded. Al (OH) 3 with the synergy of Fe2O3 retardant than Al (OH) 3 and Mg (OH) 2 synergy better. When the Al (OH) 3 to 100, Fe2O3 composites for the 50 vertical levels up to the combustion FV-0 level.
　　Second, studies were used cetyl trimethyl ammonium bromide (CTAB) and tributyl phosphate as an intercalation agent modified montmorillonite (OMMT) and inhibit the effect of flame-retardant material the effect of droplet and found separate flame retardant added OMMT composites have suppressed droplet material, reduce smoke and dust generated effects, but do not have the effect of flame-retardant; the OMMT and 100 Al (OH) 3 and Fe203 for compound 40, found that simply adding 3 copies of the montmorillonite a (OMMT-1) or two five montmorillonite (OMMT-2) can be achieved by vertical combustion FV-0 level; thermogravimetric analysis, OMMT thermal stability better than the original soil is too montmorillonite, OMMT-1's are better off than OMMT-2.
　　The third study found no inhibition of rare earth oxides and the effect of droplet material, can not reduce the generation of smoke and dust, and no http://www.everbeenmagnet.com/en/products/110-sintered-neodymium-magnets flame-retardant effect. By comparing the experimental group blank (only a small amount of filler, without adding any flame retardant) and add a small amount of rare earth oxides, rare earth oxides are found to increase the thermal stability of the function; rare earth oxides and Al (OH) 3 and flame retardant synergy between Fe203, the rare earth oxide and 100 parts of Al (OH) 3 and Fe2O3 for compound 40, only need to add 0.8 copies of the rare earth oxides that can reach the vertical burning FV-0 level.
　　Degree Year: 2010