Carboxyl-terminated liquid fluororubber/acrylate rubber blended elastomer and preparation method thereof
A technology of liquid fluororubber and acrylate, which is applied in the field of rubber materials and can solve problems such as mechanical properties that need to be improved
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Embodiment 1
[0085] Prepare the liquid fluororubber / acrylate rubber blended elastomer of the present invention according to the following raw material formula and steps, including the following raw material components by mass:
[0086] Acrylic rubber 95 parts
[0087] Carboxyl-terminated liquid fluororubber 5 parts
[0088] SA 1 copy
[0089] Carbon black N550 30 parts
[0091] TCY 1
[0092] Accelerator BZ 2 parts
[0093] Zirconia 2 parts
[0094] 3 parts calcium carbonate
[0095] Anti-scorch agent CTP 0.5 parts
[0096] The preparation process is as follows:
[0097] (1) Preparation of 2.5% liquid fluororubber
[0098] Take 250g of vinylidene fluoride-hexafluoropropylene solid copolymer (number average molecular weight Mn=40w, weight average molecular weight Mw=45w) and dissolve it in 784g of acetone for 12h. Weigh 120g of hydrogen peroxide solution with a mass concentration of 30%, and 60g of potassium hydroxide, and dissolve them in 73mL of wat...
Embodiment 2
[0105] Prepare the liquid fluororubber / acrylate rubber blended elastomer of the present invention according to the following raw material formula and steps, including the following raw material components by mass:
[0106] Acrylic rubber 90 parts
[0107] Carboxyl-terminated liquid fluororubber 10 parts
[0108] Fumed white carbon black 40 parts
[0109] clay 10 parts
[0110] SA 1 copy
[0111] TCY 1
[0112] Accelerator BZ 2 parts
[0114] 1 part magnesium carbonate
[0115] Anti-scorch agent CTP 0.5 part
[0116] The preparation process is as follows:
[0117] (1) Preparation of 3% liquid fluororubber
[0118] Take 250g of vinylidene fluoride-hexafluoropropylene solid copolymer (number average molecular weight Mn=40w, weight average molecular weight Mw=45w) and dissolve it in 784g of acetone for 12h. Weigh 150g of hydrogen peroxide solution with a mass concentration of 30%, and 80g of potassium hydroxide, and dissolve them in 98mL o...
Embodiment 3
[0124] Prepare the liquid fluororubber / acrylate rubber blended elastomer of the present invention according to the following raw material formula and steps, including the following raw material components by mass:
[0125] Acrylic rubber 85 parts
[0126] Carboxyl-terminated liquid fluororubber 15 parts
[0127] Carbon black N330 50 parts
[0128] SA 1 copy
[0129] TCY 1
[0130] Accelerator BZ 2 parts
[0132] 3 parts sodium carbonate
[0133] Anti-scorch agent CTP 0.5 parts
[0134] The preparation process is as follows:
[0135] (1) Preparation of 3.5% liquid fluororubber
[0136] Take 250g of vinylidene fluoride-hexafluoropropylene solid copolymer (number average molecular weight Mn=40w, weight average molecular weight Mw=45w,) and dissolve it in 784g of acetone for 12h. Weigh 170g of hydrogen peroxide solution with a mass concentration of 30%, and 100g of potassium hydroxide, and dissolve them in 122mL of water. Add hydrogen peroxide ...
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