| abstract |
PROBLEM TO BE SOLVED: To provide a novel flame retardant which does not substantially contain atoms such as halogen, phosphorus, nitrogen, etc., exhibits an extremely high flame retardant effect, and can use inexpensive raw materials. And a flame-retardant resin composition flame-retarded using the same. SOLUTION: R 2 SiO 2/2 unit (where R is Si And a plurality of Rs may be the same or different.) And a structure composed of SiO 4/2 units, wherein the R 2 SiO 2/2 unit and the SiO 4 / 2 unit R / Si molar ratio is 0.2 to 0.2 1.95 and the number average molecular weight is 1000 And a flame retardant comprising an organopolysiloxane compound in the range of from 200,000 to 200,000. A flame-retardant resin composition containing 0.1 to 50 parts by weight based on parts by weight. |