Selective near-infrared light response shape memory polymer composite material and preparation method thereof

A near-infrared light-responsive, memory polymer technology, applied in chemical instruments and methods, compounds containing elements of Group 3/13 of the periodic table, and organic compounds of Group 3/13 without C-metal bonds, etc. Nanoparticles are expensive, complicated in preparation process, and cannot be widely used, so as to achieve the effect of promoting application, improving dispersibility, and improving photothermal effect.

Active Publication Date: 2017-05-31
南京晟阑新材料有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the high price of noble metal nanoparticles and

Method used

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  • Selective near-infrared light response shape memory polymer composite material and preparation method thereof
  • Selective near-infrared light response shape memory polymer composite material and preparation method thereof
  • Selective near-infrared light response shape memory polymer composite material and preparation method thereof

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[0042] The preparation method of rare earth organic complex includes the following steps:

[0043] S1: Dissolve A mol rare earth chloride in 10mL-10L ethanol to generate a rare earth chloride solution; if the carboxylic acid organic ligand is liquid at room temperature, directly use B mol carboxylic acid organic ligand as the first reagent ; If the carboxylic acid organic ligand is not liquid at room temperature, dissolve B mol carboxylic acid organic ligand in 10mL-10L ethanol to generate a carboxylic acid organic ligand solution and use it as the first reagent; if conjugated If the organic ligand is liquid at room temperature, directly use C mol conjugated organic ligand as the second reagent; if the conjugated organic ligand is not liquid at room temperature, dissolve C mol conjugated organic ligand in In 10mL-10L ethanol, a conjugated organic ligand solution is generated and used as the second reagent; the ranges of A, B and C are all 0.001 to 1;

[0044] S2: Into a three-neck...

Example Embodiment

[0049] Example 1:

[0050] Example 1 discloses the rare earth ytterbium organic complex Yb (TTA) 3 Phen and rare earth neodymium organic complex Nd(TTA) 3 Phen as RN 4 Method for preparing selective near-infrared light-responsive photothermal filler. Among them, the organic complex of rare earth ytterbium selectively absorbs near infrared light at 980nm; the organic complex of rare earth neodymium selectively absorbs near infrared light at 808nm. Among them, α-thenoyl trifluoroacetone (TTA) and 1,10-phenanthroline (phen) are used as conjugated organic ligands N, n=4; carboxylic acid organic ligands M are not used.

[0051] Example 1 discloses Yb (TTA) 3 The preparation method of Phen includes the following steps:

[0052] S1.11: Add 10mmol YbCl 3 ·6H 2 O is dissolved in 30mL ethanol to generate YbCl 3 Solution; Dissolve 30mmol α-thenoyl trifluoroacetone in 50mL ethanol to produce a solution of α-thenoyl trifluoroacetone; dissolve 10mmol 1,10-phenanthroline in 30mL ethanol to produce...

Example Embodiment

[0064] Example 2:

[0065] Example 2 discloses the rare earth ytterbium organic complex Yb (TTA) 3 Phen and rare earth neodymium organic complex Nd(TTA) 3 Phen as RN 4 Method for preparing selective near-infrared light-responsive photothermal filler. Among them, the organic complex of rare earth ytterbium selectively absorbs near infrared light at 980nm; the organic complex of rare earth neodymium selectively absorbs near infrared light at 808nm. Among them, α-thenoyl trifluoroacetone (TTA) and 1,10-phenanthroline (phen) are used as conjugated organic ligands N, n=4; carboxylic acid organic ligands M are not used.

[0066] Example 2 discloses Yb (TTA) 3 The preparation method of Phen includes the following steps:

[0067] S2.11: Add 10mmol YbCl 3 ·6H 2 O is dissolved in 30mL ethanol to generate YbCl 3 Solution; Dissolve 30mmol α-thenoyl trifluoroacetone in 50mL ethanol to produce a solution of α-thenoyl trifluoroacetone; dissolve 10mmol 1,10-phenanthroline in 30mL ethanol to produce...

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Abstract

The invention discloses a selective near-infrared light response shape memory polymer composite material. A rare-earth organic complex is adopted as a selective photo-thermal filler, and a thermotropic shape memory polymer is adopted as a polymer matrix material; the general formula of the rare-earth organic complex is RMmNn, wherein R represents ytterbium or neodymium; M represents a carboxylic acid organic ligand and m is 0-4; and N represents a conjugate organic ligand and n is 0-4. The invention further discloses a preparation method of the selective near-infrared light response shape memory polymer composite material. The selective near-infrared light response shape memory polymer composite material is prepared by mixing the selective photo-thermal filler and the polymer matrix material through a physical method and/or a chemical method, wherein 100 parts of polymer matrix materials are adopted, 0.1-50 parts of photo-thermal fillers are adopted during mixing in the physical method, and 0.1-20 parts of photo-thermal fillers are during mixing in the chemical method. The cost of the selective photo-thermal filler is effectively reduced, and popularization and application of a selective near-infrared light response shape memory polymer are facilitated.

Description

technical field [0001] The invention relates to the field of light-responsive shape-memory polymers, in particular to a selective near-infrared light-responsive shape-memory polymer composite material and a preparation method thereof. Background technique [0002] Shape memory polymer is a kind of intelligent polymer material, which can return to its original shape under certain external stimuli, so it is widely used in aerospace, biomedicine, daily life, packaging, textile and other fields. Compared with traditional thermotropic shape memory polymers (that is, when the temperature rises above the phase transition temperature, the shape returns), photoresponsive shape memory polymers have the characteristics of long-distance and directionality, so they are used in photoactuators and microfluidics. There are application prospects in the direction of valve control. So far, the preparation of light-responsive shape-memory polymers through photoreversible chemical reactions is ...

Claims

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Application Information

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IPC IPC(8): C08K5/56C08L23/08C08L33/12C08F220/14C08F222/14C07F5/00
CPCC07F5/003C08F220/14C08K5/56C08L2201/12C08L23/0853C08L33/12C08F222/102
Inventor 方亮方天余陈顺平方姣姣陆春华许仲梓
Owner 南京晟阑新材料有限责任公司
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