Diisopropyl phenylphosphinate flame retardant composition and application method thereof
A technology of diisopropyl phenylphosphinate and its application method, which is applied in the field of diisopropyl phenylphosphinate flame retardant compositions, can solve the problems of high application cost, flame retardancy and plasticizing properties of chlorinated paraffin Not very good, expensive and other problems, to achieve the effect of convenient application, lower application cost, and improved compatibility
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Embodiment 1
[0029] Example 1 Add different proportions of PPDI and CP52 to polyvinyl chloride, stir evenly, extrude a sample strip with a diameter of about 3 mm at melting temperature with an XJ-01 extruder, and measure its The limiting oxygen index, the results are shown in Table 2.
[0030] Table 2 Flame retardant data of PVC compounded by flame retardant PPDI and CP52
[0031]
Embodiment 2
[0032] Example 2 Add different proportions of PPDI, CP52 and STCE to polyvinyl chloride, stir evenly, extrude a sample strip with a diameter of about 3mm at the melting temperature with an XJ-01 extruder, and use a HC900-2 oxygen index tester The limiting oxygen index was measured, and the results are shown in Table 3.
[0033] Table 3 Flame retardant data of PVC compounded by flame retardant PPDI, CP52 and STCE
[0034]
Embodiment 3
[0035] Example 3 Add different proportions of PPDI, CP52 and STDE to polyvinyl chloride, stir evenly, use XJ-01 extruder to extrude a sample with a diameter of about 3mm at the melting temperature, and use HC900-2 oxygen index tester Measure its limiting oxygen index, and the results are shown in Table 4.
[0036] Table 4 Flame retardant data of PVC compounded by flame retardant PPDI, CP52 and STDE
[0037]
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