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Method for Batch Synthesis of Polymer Double-sided Particles Using Double-sided Emulsion as Template

A technology for synthesizing polymers and double-sided emulsions, which is applied in the field of synthetic polymer double-sided particles, can solve the problems of narrow particle size control range, limited yield of double-sided particles, and limited output, so as to reduce production costs and avoid precision instruments. The dependence of equipment and complex processes, the effect of fast and simple preparation methods

Inactive Publication Date: 2015-11-25
YANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method relies on sophisticated microfluidic devices, which severely limits the yield of double-sided particles
[0004] In summary, the previous preparation methods have problems such as limited output, strict preparation process requirements, and narrow particle size control range.

Method used

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  • Method for Batch Synthesis of Polymer Double-sided Particles Using Double-sided Emulsion as Template
  • Method for Batch Synthesis of Polymer Double-sided Particles Using Double-sided Emulsion as Template
  • Method for Batch Synthesis of Polymer Double-sided Particles Using Double-sided Emulsion as Template

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] 1, will dissolve the tripropylene glycol diacrylate (TPGDA) monomer of 4wt% photoinitiator 1-hydroxycyclohexyl phenyl ketone (HCPK), silicone oil (SO), concentration is the polyoxyethylene dehydration of 5wt% The three phases of the aqueous solution of sorbitan monooleate (Tween80) were mixed at a mass ratio of 0.10:0.57:0.33. 2 g of the mixed solution was placed in a 10 ml glass tube and emulsified in a disperser with a fractional rate of 7000 rpm for 2 min.

[0044] 2. Put the double-sided emulsion obtained in step 1) under ultraviolet light with a power of 100w for 20 minutes to initiate TPGDA monomer phase polymerization.

[0045] 3. The mixture containing double-sided cap-shaped polymer particles obtained in step 2) was washed 4 times with acetone, and the solid phase was dried at room temperature for 12 hours to obtain double-sided cap-shaped polymer particles.

[0046] 4. Verification: The structure of the prepared double-sided emulsion can be observed through an...

Embodiment 2

[0048] 1, will dissolve the tripropylene glycol diacrylate (TPGDA) monomer of 4wt% photoinitiator 1-hydroxycyclohexyl phenyl ketone (HCPK), silicone oil (SO), concentration be the polyoxyethylene dehydration of 6wt% The aqueous solution of sorbitan monooleate (Tween80) was mixed at a mass ratio of 0.13:0.54:0.33, 2 g of the mixed solution was placed in a 10 ml glass tube, and emulsified in a disperser with a fractional rate of 7000 rpm for 2 min.

[0049] 2. Put the double-sided emulsion obtained in step 1) under ultraviolet light with a power of 300w for 8 minutes to initiate TPGDA monomer phase polymerization.

[0050] 3. Wash the mixture containing double-sided cap-shaped polymer particles obtained in step 2) four times with acetone, and dry at room temperature for 12 hours to obtain double-sided cap-shaped polymer particles.

[0051] 4. Verification: The structure of the prepared double-sided emulsion can be observed through an optical microscope, such as image 3 As shown,...

Embodiment 3

[0053] 1. Tripropylene glycol diacrylate (TPGDA) monomer, silicone oil (SO) or fluorocarbon oil dissolved with 4wt% photoinitiator 1-hydroxycyclohexyl phenyl ketone (HCPK), concentration is 8wt% The three phases of polyoxyethylene sorbitan monooleate (Tween80) aqueous solution are mixed at a mass ratio of 0.17:0.50:0.33, 2g of the mixed solution is placed in a 10ml glass tube, and emulsified in a disperser with a fractional rate of 7000rpm 2min.

[0054] 2. Put the double-sided emulsion obtained in step 1) under ultraviolet light with a power of 200w for 15 minutes to initiate TPGDA monomer phase polymerization.

[0055] 3. Wash the mixture containing double-sided cap-shaped polymer particles obtained in step 2) four times with acetone, and dry at room temperature for 12 hours to obtain double-sided cap-shaped polymer particles.

[0056] 4. Verification: The structure of the prepared double-sided emulsion can be observed through an optical microscope, such as Figure 5 As sh...

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Abstract

The invention discloses a method for synthesizing high molecular double-sided particles in batches by taking a double-sided emulsion as a template, relating to the technical field of chemistry. The method comprises the following steps: emulsifying acrylate in which a photoinitiator is dissolved, oil immiscible with the acrylate, and a surfactant water solution in a dispersing machine; irradiating the emulsified system in ultraviolet light to induce polymerization of acrylate monomers; and finally washing a polymerized system by acetone, and drying a solid phase at room temperature to obtain the high molecular double-sided particles. According to the method, the structures of the double-sided particles can be controllably adjusted to prepare double-sided particles with different shapes; the micro-nano sizes of the double-sided particles can be controllably adjusted through changing emulsification energy, and the application range of the double-sided particles in various fields is expanded.

Description

technical field [0001] The invention relates to the field of chemical technology, in particular to a method for synthesizing double-sided polymer particles. Background technique [0002] Double-sided particles mainly refer to the presence of double-sided structures in the same particle, and the two sides have different morphology or chemical composition. This anisotropy or asymmetry makes it useful in molecular recognition and self-assembly, interface modification, surfactants, solar energy conversion, sensors, electronics industry, anisotropic imaging probes, controllable pore formation, targeted drug delivery, etc. The field has broad application prospects and has attracted extensive attention from researchers from all walks of life. [0003] The asymmetry of the structure makes the preparation of double-sided particles very difficult. So far, the preparation methods of double-sided particles that have been developed mainly include phase separation method, planar semi-sh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F120/28C08F2/48C08F2/12
Inventor 葛玲玲卢书辉郭荣
Owner YANGZHOU UNIV
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