Preparation method of low-hardness high-volume resistance rubber water cutting strips
A rubber-water, high-volume technology, applied in rubber insulators, devices for applying liquid to surfaces, coatings, etc., can solve problems such as increased manufacturing costs, corrosion of body sheet metal, and poor anti-corrosion effect, and achieves good processability. , good performance, good reinforcement effect
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Embodiment 1
[0061] Embodiment 1: The preparation method of a kind of low hardness high volume resistance rubber water-cut strip provided by the present invention comprises the following steps:
[0062] 1) Raw rubber mastication: The raw rubber is masticated on a pressurized internal mixer, the mastication time is 60s, and the mastication temperature is 60°C;
[0063] 2) One-stage rubber mixing: add one-stage rubber formula to the masticated raw rubber for mixing; the mixing process of the internal mixer is to pressurize and banbury for 4 minutes until the temperature reaches 155°C;
[0064] 3) Thinning of a section of glue: transport the mixed section of glue to the first open mill, and carry out thinning on the open mill for 2 minutes. After the thinning is completed, the film is sliced, cooled, and conveyed;
[0065] 4) Second-stage rubber refining: the first-stage rubber after thinning is milled on the second mill, and the raw materials of the second-stage rubber formula are mixed at t...
Embodiment 2
[0072] Embodiment 2: The preparation method of a kind of low hardness high volume resistance rubber water-cut strip provided by the present invention comprises the following steps:
[0073] 1) Raw rubber mastication: masticate the raw rubber on a pressurized internal mixer, the mastication time is 60s, and the mastication temperature is 80°C;
[0074] 2) One-stage rubber mixing: add one-stage rubber formula to the masticated raw rubber for mixing; the mixing process of the internal mixer is to pressurize and banbury for 5 minutes until the temperature reaches 160°C;
[0075] 3) Thinning of a section of glue: transport the mixed section of glue to the first open mill, and carry out thinning on the open mill for 3 minutes. After the thinning is completed, the film is sliced, cooled, and conveyed;
[0076] 4) Second-stage rubber milling: The first-stage rubber after thinning is milled on the second mill, and the raw materials of the second-stage rubber formula are mixed at the sa...
Embodiment 3
[0083] Embodiment 3: The preparation method of a kind of low hardness high volume resistance rubber water-cut strip provided by the present invention comprises the following steps:
[0084] 1) Raw rubber mastication: The raw rubber is masticated on a pressurized internal mixer, the mastication time is 60s, and the mastication temperature is 60°C;
[0085] 2) One-stage rubber mixing: add one-stage rubber formula to the masticated raw rubber for mixing; the mixing process of the internal mixer is to pressurize and banbury for 6 minutes until the temperature reaches 165°C;
[0086] 3) Thinning of a section of glue: transport the mixed section of rubber to the first open mill, and carry out thinning on the open mill for 4 minutes. After the thinning is completed, the film is sliced, cooled, and conveyed;
[0087] 4) Second-stage rubber milling: The first-stage rubber after thinning is milled on the second mill, and the raw materials of the second-stage rubber formula are mixed at ...
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