Tetrakis (0,0-diethylphosphoryl) glycoluril flame retardant composition and application method thereof
A technology of diethylphosphoryl and flame retardant, which is applied in the field of tetraglycolyuril flame retardant composition, can solve the problems of high cost, flame retardant effect and material performance impact, and achieve reduced dosage, less investment in equipment, and low cost. Good effect of charcoal flame retardant performance
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Embodiment 1
[0028] Example 1 Add different proportions of TEG into polyester PET, mix evenly, extrude a spline with a diameter of about 3mm with an XJ-01 extruder at the melting temperature, and measure its limit with a HC900-2 oxygen index tester Oxygen index, the results are shown in Table 2.
[0029] Table 2 Flame retardant properties of flame retardant TEG on PET
[0030]
Embodiment 2
[0031] Example 2 Adding different proportions of TEG and MCA to polyester PET, mixing uniformly, extruding a spline with a diameter of about 3 mm with an XJ-01 extruder at the melting temperature, and measuring it with a HC900-2 oxygen index tester. Its limiting oxygen index, the results are shown in Table 3.
[0032] Table 3 Flame retardant properties of flame retardant TEG and MCA compounded to PET
[0033]
[0034] It can be seen from Table 3 that when 12 parts of TEG and 8 parts of MCA are used in combination, the limiting oxygen index is 2 higher than that of TEG alone, reaching 31, which has a good flame retardant synergistic effect. And MCA is cheaper and can reduce costs.
Embodiment 3
[0035] Example 3 Different proportions of TEG and MPP were added to polyester PET, mixed uniformly, and a spline with a diameter of about 3 mm was extruded with an XJ-01 extruder at the melting temperature. Its limiting oxygen index, the results are shown in Table 4.
[0036] Table 4 Flame retardant properties of flame retardant TEG and MPP compounded to PET
[0037]
[0038] It can be seen from Table 4 that when 12 parts of TEG and 8 parts of MPP are used in combination, the limiting oxygen index is increased by 1 to 30 when TEG is used alone, which has a good synergistic flame retardant effect.
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