Physical cross-linking agent, high oil-absorption material and preparation method of high oil absorption material
A physical cross-linking agent and high oil absorption technology, applied in separation methods, chemical instruments and methods, liquid separation, etc., can solve problems such as poor hydrophobicity, difficulty in meeting the actual needs of oily sewage, and low oil absorption ratio, so as to improve stability , Excellent oil absorption ratio, excellent entanglement effect
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Embodiment 1
[0046] A high oil-absorbing material, prepared through the following steps:
[0047] (1) Weigh dodecafluoroheptyl methacrylate and unvulcanized natural rubber raw rubber, and mix dodecafluoroheptyl methacrylate: unvulcanized natural rubber raw rubber at a weight ratio of 1:4 to obtain mixture A ,spare;
[0048] (2) In parts by weight, weigh 50 parts of styrene, 45 parts of butyl methacrylate, 5 parts of azobisisobutyronitrile, 3 parts of divinylbenzene, 1.5 parts of polyvinyl alcohol and 2 parts of gelatin, mix After uniformity, add it to the reactor, and add deionized water to the reactor, control the water:oil weight ratio of the system to 4:1, and stir evenly;
[0049] (3) Slowly heat up the mixture in the reactor in step (2) to 65°C, and react for 3 hours;
[0050] (4) Weigh the mixture A obtained in step (1) so that the weight ratio of it to divinylbenzene is 1:3, add the weighed mixture A into the reactor, and then raise the temperature to 80°C, React for 5 hours.
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Embodiment 2
[0053] A high oil-absorbing material, prepared through the following steps:
[0054] (1) Weigh dodecafluoroheptyl methacrylate and unvulcanized natural rubber raw rubber, and mix dodecafluoroheptyl methacrylate: unvulcanized natural rubber raw rubber at a weight ratio of 1:4 to obtain mixture A ,spare;
[0055] (2) In parts by weight, weigh 50 parts of styrene, 45 parts of butyl methacrylate, 5 parts of azobisisobutyronitrile, 1.5 parts of polyvinyl alcohol and 2 parts of gelatin, mix them evenly and add them to the reaction kettle. And add deionized water to the reaction kettle, control the water:oil weight ratio of the system to be 4:1, stir evenly;
[0056] (3) Slowly heat up the mixture in the reactor in step (2) to 65°C, and react for 3 hours;
[0057] (4) According to the parts by weight in step (2), weigh 4 parts of the mixture A obtained in step (1), add the weighed mixture A into the reaction kettle, and then raise the temperature to 80°C, and react 5 hours.
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