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Plastic bead as well as preparation method and applications thereof

A technology of plastic pellets and plastics, applied in the field of petroleum exploration, can solve the problems of harsh in-situ intercalation conditions, difficult industrialization, and low yield

Active Publication Date: 2012-11-14
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the conditions required for in-situ intercalation are harsh, the yield is low, and industrialization is difficult

Method used

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  • Plastic bead as well as preparation method and applications thereof
  • Plastic bead as well as preparation method and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Wash the computer packaging with polystyrene foam and dry it for later use; wash and dry the polycarbonate plastic separated from the discarded discs for later use;

[0056] (1) Configure the oil phase: Weigh 2.376g of the above-mentioned polystyrene foam, add 0.024g of the above-mentioned polycarbonate into 59.4g of dichloromethane, completely dissolve the oil phase solute, and stir evenly to obtain the oil phase; The weight of the solute is 4% of the weight of the organic solvent, and the weight percentage of polystyrene in the oil phase solute is 99%; the weight percentage of polycarbonate is 1%;

[0057] (2) configure the dispersed water phase: add 2.0g gelatin and 1.0g sodium lauryl sulfate to 200ml distilled water, stir to make the water phase; wherein in the water phase, the weight percentage concentration of the dispersant is 1%, and the weight of the emulsifier is The percentage concentration is 0.5%; the oil-water ratio is 1:3.3

[0058] (3) Pour the water ph...

Embodiment 2

[0061] Wash and dry the polycarbonate plastic separated from the discarded discs for use;

[0062] (1) Configure the oil phase: Weigh 3.70 g of the above polycarbonate and add it to 92.4 g of dichloromethane to completely dissolve the oil phase solute, then add 0.185 g of petroleum phenyl sulfonate, and stir to obtain the oil phase; the oil phase The solute weight is 4% of the organic solvent weight, the polycarbonate weight percentage in the oil phase solute is 100%, and the plasticizer weight is 5% of the polycarbonate weight;

[0063] (2) configure the dispersed water phase: add 0.5g gelatin and 1.2g sodium lauryl sulfate to 400ml distilled water, stir to make the water phase; wherein the dispersant weight percentage concentration in the water phase is 0.125%, emulsifier weight The percentage concentration is 0.3%; the oil-water ratio is 1:4.2;

[0064] (3) Pour the water phase into a three-necked flask with a condensation recovery pipe, and put it into a water bath; adjus...

Embodiment 3

[0067] Wash the computer packaging with polystyrene foam and dry it for later use; wash and dry the polycarbonate plastic separated from the discarded discs for later use;

[0068](1) Configure the oil phase: Weigh 9g of the above-mentioned polystyrene foam, add 1g of the above-mentioned polycarbonate to 92.4g of 1,1-dichloroethane to completely dissolve the oil phase solute, and then add 0.03g of hexamethylene dichloride Dioctyl acid dioctyl ester is stirred evenly to obtain an oil phase; wherein the oil phase solute weight is 10.8% of the weight of the organic solvent, and the polystyrene weight percentage is 90% in the oil phase solute; the polycarbonate weight percentage is 10%, Plasticizer is 3% of polycarbonate weight;

[0069] (2) Configure the dispersed water phase: add 5.0g gelatin and 0.4g sodium dodecylbenzene sulfonate to 200ml distilled water, stir evenly to make the water phase; wherein the dispersant weight percentage concentration in the water phase is 2.5%, em...

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Abstract

The invention discloses a plastic bead as well as a preparation method and applications of the plastic bead. The plastic bead comprises the following components by weight percent: 0.1-100% of polycarbonate and the balance of polystyrene. The preparation method comprises the steps of dissolving an oil-phase solute into an organic solvent, mixing uniformly to obtain a mixture taken as an oil phase which is polycarbonate, or a mixture of polystyrene and / or styrene monomer and polycarbonate; dissolving a dispersing agent or the dispersing agent and an emulsifying agent into water to prepare a water phase; sufficiently mixing the oil phase and the water phase so as to uniformly disperse the oil phase in the water phase to prepare emulsion; rising the temperature so as to volatilize the organic solvent and simultaneously solidify drops of the oil phase; and then separating the emulsion to separate a solid phase, and drying to obtain the plastic bead. According to the plastic bead and the preparation method, the environmental conservation is good, the process is simple, the problem of white pollution can be solved, and the application is wide.

Description

technical field [0001] The invention relates to the field of oil exploration, and furthermore, relates to a plastic pellet and its preparation method and application. Background technique [0002] With the development of oil exploration, the drilling depth continues to increase, and the number of cluster wells, high-inclination directional wells and horizontal wells is also increasing rapidly. Avoiding pipe sticking, reducing drill torque, and reducing drill string wear have become urgent solutions Problem, adding lubricant to the drilling fluid can effectively avoid accidents such as pipe sticking. Compared with liquid lubricants, solid lubricants are added to the drilling fluid in the form of solids to lubricate the well wall and prevent sticking and sticking. It has the advantages of convenient transportation, no fluorescence, and good lubrication performance. The currently used solid lubricants for drilling fluids mainly include the following two types according to the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L25/06C08J5/00C09K8/035
Inventor 赵素丽陈铖林永学王文立王琳杨小华
Owner CHINA PETROLEUM & CHEM CORP
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