High-thermal-insulation ablation-resistant sizing material
A technology of ablation resistance and rubber compound, which is applied in the field of thermal insulation rubber compound, can solve the problems of density, elongation at break and ablation resistance, etc., and achieve high tensile strength, high shear strength and low density Effect
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[0030] Example 1:
[0031] A high-insulation and ablation-resistant rubber compound, which is mixed in two stages in an internal mixer with the following parts by weight of raw materials:
[0032] The mass parts of each component are: 100 parts EPDM rubber, 10 parts decabromodiphenyl ether, 10 parts antimony trioxide, 30 parts white carbon black, 5 parts zinc oxide, 1 part stearic acid, 0.32 parts Parts of surface treatment agent si69, 5 parts of paraffin oil, 2 parts of ordinary sulfur, 2 parts of accelerator ZDC, 0.5 parts of accelerator DM, and 1.2 parts of accelerator TMTD are mixed evenly through an internal mixer.
[0033] The mechanical properties of the prepared high heat insulation and ablation resistant rubber compound are shown in Table 1.
Example Embodiment
[0034] Example 2:
[0035] A high-insulation and ablation-resistant rubber compound, which is mixed in two stages in an internal mixer with the following parts by weight of raw materials:
[0036] The mass parts of each component are: 100 parts EPDM rubber, 15 parts decabromodiphenyl ether, 15 parts antimony trioxide, 30 parts white carbon black, 5 parts zinc oxide, 1 part stearic acid, 0.32 parts Parts of surface treatment agent si69, 6 parts of paraffin oil, 2 parts of ordinary sulfur, 2 parts of accelerator ZDC, 0.5 parts of accelerator DM, and 1.2 parts of accelerator TMTD are mixed evenly through an internal mixer.
[0037] The mechanical properties of the prepared high heat insulation and ablation resistant rubber compound are shown in Table 1.
Example Embodiment
[0038] Example 3:
[0039] A high-insulation and ablation-resistant rubber compound, which is mixed in two stages in an internal mixer with the following parts by weight of raw materials:
[0040] The mass parts of each component are: 100 parts EPDM rubber, 20 parts decabromodiphenyl ether, 20 parts antimony trioxide, 35 parts white carbon black, 5 parts zinc oxide, 1 part stearic acid, 0.5 parts Parts of surface treatment agent si69, 5 parts of paraffin oil, 2 parts of ordinary sulfur, 2 parts of accelerator ZDC, 0.5 parts of accelerator DM, and 1.2 parts of accelerator TMTD are mixed evenly through an internal mixer.
[0041] The mechanical properties of the prepared high heat insulation and ablation resistant rubber compound are shown in Table 1.
[0042] Table 1: Mechanical properties of rubber
[0043] Item Example 1 Example 2 Example 3 Vulcanization conditions160 o C×50′ 160 o C×50′ 160 o C×50′ Tensile strength, MPa10.510.911.2 Elongation at break,%452460469 Density, ...
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