Butyronitrile insulation layer material with high elongation and ablation resistance and preparation method of butyronitrile insulation layer material
A high-elongation, ablation-resistant technology, applied in the field of structural thermal insulation layers, which can solve the problems of high thermal decomposition temperature, material burning, and large filling coefficient.
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preparation example Construction
[0027] The preparation process of the thermal insulation layer material of the present invention is as follows:
[0028] 1) According to the ratio, ingredients;
[0029] 2) Dry the weighed aramid chopped fiber and white carbon black at 80°C for 1 hour;
[0030] 3) Pass the weighed nitrile rubber on the mill for 5 to 8 times;
[0031] 4) Add zinc oxide, stearic acid, silicon carbide, boron phenolic resin, decabromodiphenyl ether, and antimony trioxide to nitrile rubber in sequence, and the roller distance is 3 mm; cut the rubber and roll 3 times;
[0032] 5) Add white carbon black and dioctyl sebacate several times, the roller distance is 3mm; cut glue and roll 3 times;
[0033] 6) Add aramid chopped fiber several times, cut glue and roll 3 times, the roller distance is 3mm;
[0034] 7) Thin pass 2 times, the roller distance is 0.3mm, and then the roller distance is 3mm, cut the rubber and roll 2 times; repeat this step 3 times;
[0035] 8) Add dicumyl peroxide, roll distan...
example 1
[0041] (1) Weigh each component of the formula
[0042] Weigh the ingredients of the formula according to the table below.
[0043]
[0044] (2) heat insulation layer refining
[0045] a) Dry the weighed aramid chopped fiber and white carbon black at 80°C for 1 hour;
[0046] b) Thinly pass the nitrile rubber on the mill for 5 to 8 times;
[0047] c) Add zinc oxide, stearic acid, silicon carbide, boron phenolic resin, decabromodiphenyl ether, and antimony trioxide in sequence, and the roll distance is 3 mm; cut glue and roll 3 times;
[0048] d) Add white carbon black and dioctyl sebacate in 3 times, the roller distance is 3mm; cut glue and roll 3 times;
[0049] e) Add aramid chopped fiber in 5 times, cut glue and roll 3 times, the roller distance is 3mm;
[0050] f) Thin pass 2 times, the roller distance is 0.3mm, and then cut the glue and roll 2 times at the roller distance 3mm; repeat this step 3 times;
[0051] g) Dicumyl peroxide is added, the roller distance is ...
example 2
[0060] (1) Weigh each component of the formula
[0061] Weigh the ingredients of the formula according to the table below.
[0062]
[0063]
[0064] (2) heat insulation layer refining
[0065]a) Dry the weighed aramid chopped fiber and white carbon black at 80°C for 1 hour;
[0066] b) Thinly pass the nitrile rubber on the mill for 5 to 8 times;
[0067] c) Add zinc oxide, stearic acid, silicon carbide, boron phenolic resin, decabromodiphenyl ether, and antimony trioxide in sequence, and the roll distance is 3 mm; cut glue and roll 3 times;
[0068] d) Add white carbon black and dioctyl sebacate in 3 times, the roller distance is 3mm; cut glue and roll 3 times;
[0069] e) Add aramid chopped fiber in 5 times, cut glue and roll 3 times, the roller distance is 3mm;
[0070] f) Thin pass 2 times, the roller distance is 0.3mm, and then cut the glue and roll 2 times at the roller distance 3mm; repeat this step 3 times;
[0071] g) Dicumyl peroxide is added, the roller d...
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