Modified fluororubber gross rubber and method of producing the same
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A technology of fluororubber and mixed rubber, which is applied in the field of modified fluororubber mixed rubber and its preparation, which can solve the problems of difficult molding and poor fluidity of fluororubber, and achieve reliable performance, improved molding conditions, and excellent durability. The effect of low temperature performance
Inactive Publication Date: 2008-04-02
扬中市橡胶塑料厂有限公司
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[0005] The purpose of the present invention is to provide a modified fluororubber compound to overcome the defects of poor fluidity and difficult molding of fluororubber. By improving the formula of fluororubber compound, its flow performance can be improved to benefit various fluororubber compounds. Production of rubber products; on the other hand, this formula can also improve the high / low temperature resistance of fluororubber, making it more widely applicable to various industries and industrial fields
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Embodiment 1
[0025] A modified fluororubber compound comprising the following components:
[0026] Viton 2641 (20,000) 85 parts Viton 2641 (100,000) 15 parts
[0027] ZnO 10 parts MgO 3 parts
[0028] CaF 2 2 parts Ca(OH) 2 4 parts
[0029] Iron oxide red 1 part Bisphenol AF 2 parts
[0030] Vulcanization accelerator BPP 0.5 parts
[0031] The above-mentioned modified fluorine rubber compound has a normal use temperature range of -80°C to 250°C.
Embodiment 2
[0033] A modified fluororubber compound comprising the following components:
[0034] Viton 2641 (20,000) 85 parts Viton 2641 (100,000) 15 parts
[0035] ZnO 12 parts MgO 5 parts
[0036] CaF 2 3 parts Ca(OH) 2 8 servings
[0037] Iron oxide red 2 parts Bisphenol AF 3 parts
[0038] Vulcanization accelerator BPP 1.5 parts
Embodiment 3
[0040] A modified fluororubber compound comprising the following components:
[0041] Viton 2641 (20,000) 85 parts Viton 2641 (100,000) 15 parts
[0042] ZnO 10 parts MgO 4 parts
[0043] CaF 2 2 parts Ca(OH) 2 6 servings
[0044] Iron oxide red 1 part Bisphenol AF 2 parts
[0045] Vulcanization accelerator BPP 1.0 parts
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Abstract
The present invention discloses a modified fluorin rubber compound and the preparation method. The modified fluorin rubber compound comprises the following components: 100 portion of virgin rubber of fluorin rubber, 10 portion to 12 portion of ZnO, 3 portion to 5 portion of MgO, 2 portion to 3 portion of CaF2, 4 portion to 8 portion of Ca(OH)2, 1 portion to 2 portion of iron oxide red, 2 portion to 3 portion of bisphenol AF and 0.5 portion to 1.5 portion of thiofide BPP. The preparation method comprises the following steps: 1) the virgin rubber of fluorin rubber is plasticized for 10 minutes to 15 minutes; 2) the ZnO, Ca(OH)2, CaF2, MgO and iron oxide red are added in order, thin-pass and are then mixed well; 3) the bisphenol AF and BPP are added, thin-pass and are then mixed well; 4) the product is prepared. The modified fluorin rubber compound of the present invention has good processing fluidity and good low-temperature resistance. The temperature range for normal use can be between 80 DEG C below zero and 250 DEG C.
Description
technical field [0001] The invention relates to a fluorine rubber compound and a preparation method thereof, in particular to a modified fluorine rubber compound and a preparation method thereof. Background technique [0002] Fluorine rubber is a special variety of rubber products. It has excellent properties unmatched by other rubbers, such as high temperature resistance, oil resistance, corrosion resistance to various strong acids and alkalis and chemicals, resistance to ozone and various oxidants, and radiation resistance. . Fluorine rubber has been widely used in military aerospace, petrochemical, machinery manufacturing, construction engineering, instrumentation and automobile manufacturing and other fields. The special performance of fluororubber is determined by the structural characteristics of fluorine atoms in its molecule, but it is precisely because of this structural characteristic that it also brings shortcomings in the performance of fluororubber, such as poo...
Claims
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