Light-color NBR/PVC (nitrile butadiene rubber/poly vinyl chloride) oil-resistant rubber material with high acrylonitrile content
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A technology of oil-resistant rubber and acrylonitrile, which is applied in the field of light-colored NBR/PVC oil-resistant rubber materials, and can solve the problems of little research on light-colored NBR/PVC
Inactive Publication Date: 2013-12-11
SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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Although there has been some research on NBR and PVC blends, there are few studies on light-colored NBR/PVC, and there are few reports on the comprehensive research on t...
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Embodiment 1
[0021] The light-colored NBR / PVC oil-resistant rubber material with high acrylonitrile content described in this embodiment is made of NBR, PVC, filling reinforcing agent, plasticizer, anti-aging agent, coloring agent, vulcanizing agent, stabilizer and other rubber processing aids. agent composition.
[0022] This embodiment includes 70 parts of NBR, 30 parts of PVC, 30 parts of white carbon black, 50 parts of talcum powder, 20 parts of DOP, 25 parts of 3G8, 2.0 parts of antioxidant 1010, 1.8 parts of coloring agent, 0.8 parts of sulfur, 1.5 parts of CZ , 1.5 parts of DM, 1.6 parts of stabilizer, 2.0 parts of paraffin, 5.0 parts of zinc oxide, 1.5 parts of stearic acid, 3.0 parts of PEG2000.
[0023] The preparation method of the light-colored NBR / PVC oil-resistant rubber material with high acrylonitrile content of the present invention is a mechanical blending method, and the specific steps are as follows:
[0030] The composition of this example is basically the same as that of Example 1, except that 1.2 parts of sulfur, 1.2 parts of CZ, and 0.5 parts of TMTD are used instead of 0.8 parts of sulfur, 1.5 parts of CZ, and 1.5 parts of DM.
[0031] See Table 1 for the performance test results of the light-colored NBR / PVC oil-resistant rubber with high acrylonitrile content obtained in this example, and see Table 4 for the oil-resistant performance results.
Embodiment 3
[0033] The composition of this example is basically the same as that of Example 1, except that 1.5 parts of sulfur, 1.5 parts of DM, and 0.5 parts of TMTD are used instead of 0.8 parts of sulfur, 1.5 parts of CZ, and 1.5 parts of DM.
[0034] See Table 1 for the performance test results of the light-colored NBR / PVC oil-resistant rubber with high acrylonitrile content obtained in this example, and see Table 4 for the oil-resistant performance results.
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Abstract
The invention discloses a light-color NBR/PVC (nitrile butadiene rubber/poly vinyl chloride) oil-resistant rubber material with high acrylonitrile content and relates to a rubber material. The oil-resistant rubber material contains the following ingredients in parts by weight: 70 parts of NBR, 30 parts of PVC, 25-35 parts of precipitated silica, 50-80 parts of a filling agent, 40-50 parts of a plasticizer, 1.5-2.0 parts of an anti-aging agent, 1.5-2.5 parts of a colorant, 0.5-3.0 parts of a vulcanizing agent, 1.5-3.5 parts of an accelerant, 1.5-2.0 parts of a stabilizer, and 9.5 parts (in total) of other rubber processing auxiliaries such as a vulcanizing activator and a polar additive. The light-color NBR/PVC oil-resistant rubber material with high acrylonitrile content is excellent in oil resistance and can be used in places with strict requirements on oil resistance. The light-color NBR/PVC oil-resistant rubber material can be widely used in the industries such as fuel oil rubber tubes, electric wire and cable sleeves, printing rubber rolls and sealing articles, and especially in the industries of automobile sealing parts, spare parts and the like.
Description
technical field [0001] The invention relates to a rubber material, in particular to a light-colored NBR / PVC oil-resistant rubber material with high acrylonitrile content. Background technique [0002] Nitrile rubber (NBR) has excellent oil resistance, heat resistance and physical and mechanical properties, but its ozone aging resistance is poor; while general-purpose synthetic resin polyvinyl chloride (PVC) has excellent flame retardancy and self-extinguishing properties As well as ozone aging resistance, chemical corrosion resistance, electrical insulation, chemical stability and thermoplasticity, but its toughness is low, it is not impact resistant, and its heat resistance is poor. The composite material made of NBR and PVC blends combines the performance advantages of the two and makes up for their respective defects. It has become an important new rubber-plastic composite material and a pioneer of rubber-plastic composite materials. Both NBR and PVC are polar polyme...
Claims
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