Preparation method of novel rubber additive
A rubber additive, a new technology, applied in the field of preparation of new rubber additives, can solve problems such as single performance, achieve good compatibility, improve dispersion, and improve plasticity
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Embodiment 1
[0014] A preparation method of a novel rubber auxiliary agent, the processing aid comprising the following components in parts by weight: 20 parts of vinyl resin, 18 parts of unsaturated polyester resin, 12 parts of unsaturated fatty acid, 1.5 parts of zinc oxide, trifluoropropylene 6 parts of methyl dichlorosilane.
[0015] Specifically include the following steps:
[0016] S1: Add the unsaturated fatty acid into the container, heat to 80° C. to melt, stir and then add zinc oxide, and raise the temperature to 120° C. to react for 2 hours to obtain a viscous liquid.
[0017] S2: Add the viscous liquid obtained in step S1 into vinyl resin, unsaturated polyester resin and trifluoropropylmethyldichlorosilane, raise the temperature to 110° C., and melt blend for 3 hours.
Embodiment 2
[0019] A preparation method of a novel rubber auxiliary agent, the processing aid comprising the following components in parts by weight: 30 parts of vinyl resin, 25 parts of unsaturated polyester resin, 16 parts of unsaturated fatty acid, 2 parts of zinc oxide, trifluoropropylene 9 parts of methyl dichlorosilane.
[0020] Specifically include the following steps:
[0021] S1: Add the unsaturated fatty acid into the container, heat to 90°C to melt, stir and then add zinc oxide, and raise the temperature to 130°C for 3 hours to obtain a viscous liquid.
[0022] S2: Add the viscous liquid obtained in step S1 into vinyl resin, unsaturated polyester resin and trifluoropropylmethyldichlorosilane, raise the temperature to 115° C., and melt blend for 5 hours.
Embodiment 3
[0024] A preparation method of a novel rubber auxiliary agent, the processing aid comprising the following components in parts by weight: 26 parts of vinyl resin, 22 parts of unsaturated polyester resin, 14 parts of unsaturated fatty acid, 1.8 parts of zinc oxide, trifluoropropylene 8 parts of methyl dichlorosilane.
[0025] Specifically include the following steps:
[0026] S1: Add the unsaturated fatty acid into the container, heat to 85°C to melt, then add zinc oxide after stirring, and raise the temperature to 125°C for 2.5 hours to obtain a viscous liquid.
[0027] S2: Add the viscous liquid obtained in step S1 into vinyl resin, unsaturated polyester resin and trifluoropropylmethyldichlorosilane, raise the temperature to 112° C., and melt blend for 4 hours.
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