Anti-deformation fluororubber as well as preparation method and application thereof
A fluororubber and anti-deformation technology, applied in the field of anti-deformation fluororubber and its preparation, can solve the problems of inability to meet the continuous working life of 15 years, inability to adapt to a wide range of compression deformation capacity, and decrease in glue content.
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Embodiment 1~3、 comparative example 1~3
[0028] See Table 1 for the raw material formulations of the anti-deformation fluororubbers described in Examples 1-3 and Comparative Examples 1-3.
Embodiment 1~3 and comparative example 1~3
[0029] The preparation method of the anti-deformation fluororubber described in Examples 1-3 and Comparative Examples 1-3 comprises the following steps:
[0030] (1) Add fluoroperoxide rubber, zinc oxide, filler, layered filler, processing aid, peroxide and part of crosslinking agent into an open mill and mix to obtain a semi-finished product;
[0031] (2) Mold and vulcanize the semi-finished product in a flat vulcanizing machine with a temperature of 170°C and a vulcanization pressure of 15MPa for 10 minutes. After removing the flash, put it into an oven at a temperature of 230°C for secondary vulcanization for 4 hours, clean, pack and store , to obtain the anti-deformation fluororubber.
[0032] The raw material formula / weight part of anti-deformation fluororubber described in Table 1 embodiment 1~3 and comparative example 1~3
[0033]
[0034]
[0035] Remarks: sericite powder 1 diameter-thickness ratio > 70, particle size 800 mesh; sericite powder 2 diameter-thickne...
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