Graphene pre-dispersed master batch as well as preparation method and application thereof
A pre-dispersed masterbatch and graphene technology, which is applied in the direction of rolling resistance optimization, road transportation emission reduction, etc., can solve the problems of difficult dispersion and large amount of graphene, and achieve the effect of low cost, reduced amount, and easy storage
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Embodiment 1
[0024] The graphene pre-dispersed masterbatch of embodiment one, by weight, its percentage by weight consists of: graphene 35%, acrylate rubber 31%, silane coupling agent 8%, calcium stearate 4%, ring 7% paraffin oil, 15% inorganic filler. The preparation method of this graphene pre-dispersed master batch, comprises the following steps:
[0025] (1) Accurately weigh the raw materials required for the preparation of masterbatch according to the proportion;
[0026] (2) Heat the internal mixer to 70 °C, first put graphene into the internal mixer, then put in silane coupling agent, stir at a stirring speed of 125 r / min for 3 minutes, then put in acrylate rubber, and stir at 220 r / min Stir at a stirring speed of 100 r / min for 2 minutes, finally add calcium stearate, naphthenic oil and inorganic fillers, stir for 3 minutes at a stirring speed of 100 r / min, mix the raw materials evenly, and discharge at a temperature of 80 ° C to obtain Gum;
[0027] (3) The given rotational spee...
Embodiment 2
[0028] The graphene pre-dispersed masterbatch of embodiment two, by weight, its percentage by weight consists of: graphene 50%, EPDM rubber 20%, silane coupling agent 6%, calcium stearate 6% , naphthenic oil 8%, inorganic filler 10%. The preparation method of this graphene pre-dispersed master batch, comprises the following steps:
[0029] (1) Accurately weigh the raw materials required for the preparation of masterbatch according to the proportion;
[0030] (2) Heat the internal mixer to 80 °C, first put graphene into the internal mixer, then put in silane coupling agent, stir at a stirring speed of 150 r / min for 1 minute, and then put in EPDM rubber to Stir at a stirring speed of 230 r / min for 2 minutes, finally add calcium stearate, naphthenic oil and inorganic fillers, stir at a stirring speed of 110 r / min for 5 minutes to mix all raw materials evenly, and discharge at a temperature of 85 °C , get rubber;
[0031] (3) The given rotational speed of the control host is 80 r...
Embodiment 3
[0032] The graphene pre-dispersed masterbatch of embodiment three, by weight, its percentage by weight consists of: graphene 45%, styrene-butadiene rubber 17%, silane coupling agent 5%, calcium stearate 7%, ring 10% paraffin oil, 16% inorganic filler. The preparation method of this graphene pre-dispersed master batch, comprises the following steps:
[0033] (1) Accurately weigh the raw materials required for the preparation of masterbatch according to the proportion;
[0034] (2) Heat the internal mixer to 70 °C, first put graphene into the internal mixer, then put in silane coupling agent, stir at a stirring speed of 130 r / min for 2 minutes, then put in styrene-butadiene rubber, and stir at 200 r / min Stir at a stirring speed of 100 r / min for 3 minutes, finally add calcium stearate, naphthenic oil and inorganic fillers, stir for 6 minutes at a stirring speed of 100 r / min, mix the raw materials uniformly, and discharge at a temperature of 80 ° C to obtain Gum;
[0035] (3) T...
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