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Antibacterial polyester material and preparation method and application thereof

A polyester material and reaction technology, applied in the field of functional polymer material synthesis, can solve problems such as hindering the function of antibacterial functional groups, destroying harmful bacteria, weakening antibacterial performance, etc., to meet the requirements of environmental friendliness, great development potential, long-lasting effect

Pending Publication Date: 2021-07-20
BEIJING UNIV OF CHEM TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned existing antibacterial polyester materials are always unsatisfactory, and there are defects of one kind or another. On the one hand, the antibacterial agent doped by the physical blending method will gradually release over time, and the antibacterial performance is weakened so that it cannot be realized. Long-lasting antibacterial effect; on the other hand, antibacterial agents commonly used for surface modification such as metal ions, quaternary ammonium salts, and imidazole compounds often cannot meet the requirements of environmental friendliness, and the accumulation of dead microorganisms on the surface of the polymer will hinder the antibacterial function. play a role; in addition, by releasing the antibacterial method of bactericide, it not only destroys the harmful flora, but also may cause damage to the skin's own flora, which cannot meet good biocompatibility

Method used

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  • Antibacterial polyester material and preparation method and application thereof
  • Antibacterial polyester material and preparation method and application thereof
  • Antibacterial polyester material and preparation method and application thereof

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preparation example Construction

[0059] The preparation method of the antibacterial polyester material related to the second aspect of the present invention as described in the first aspect of the present invention includes the step of preparing antibacterial polyester material: under nitrogen atmosphere, dibasic alcohol compound, cyanuric chloride derivative The polymerized diacid monomer compound is uniformly mixed with the second catalyst, and undergoes melt polycondensation reaction to obtain a crude product of antibacterial polyester material.

[0060] In the present invention, the molecular structure of the polymerizable diacid monomer compound derived from cyanuric chloride is shown in formula (II):

[0061]

[0062] In the present invention, the reaction formula of the above-mentioned polymerizable diacid monomer compound derived from cyanuric chloride is as follows figure 1 Shown in Reaction Formula A, in some specific embodiments of the present invention, for example, the polymerizable diacid mon...

Embodiment 1

[0101] The preparation method of the antibacterial and anti-adhesion polymer material of the present embodiment is carried out as follows:

[0102] According to the molar ratio of 4:1 (304mg:548mg), p-aminobenzoic acid and menthol monosubstituted cyanuric chloride derivatives were dissolved in 20mL DMF (N,N-dimethylformamide) respectively, and dissolved in di The cyanuric chloride derivative of methyl formamide was constant-pressure titrated to the bis-aminobenzoic acid containing the first catalyst pyridine (3.95mg, the molar ratio of the cyanuric chloride derivative and the first catalyst pyridine was 1:0.05). In methylformamide, the temperature was raised to 140°C, and the mixture was refluxed for 3 hours to obtain a reaction mixture. The mixed solution is acidified and settled with an acidic ethanol-water mixture (pH=3), and the white solid obtained by drying the solid is a pure product of a polymerizable diacid monomer compound derived from cyanuric chloride (referred to ...

Embodiment 2

[0118] Para-aminobenzoic acid and menthol monosubstituted derivatives were dissolved in 20 mL of DMF (N,N-dimethylformamide) according to the molar ratio of 3:1 (411 mg: 304 mg), and dissolved in DMF using a constant pressure titration funnel. The menthol monosubstituted derivative was dropped into the p-aminobenzoic acid DMF solution containing pyridine (4.74mg, the molar ratio of the cyanuric chloride derivative and the first catalyst pyridine was 1:0.06), and the temperature was raised to 120 ° C and refluxed. 12h, the reaction mixture was obtained. The reaction mixture was settled with an acidic ethanol-water mixture (pH=3). Suction filtration, taking the filter cake and drying to obtain a white solid which is a diacid monomer compound with a yield of 60%.

[0119] The diacid monomer compound and the diol compound were added in a three-necked flask equipped with an electric mixer according to the molar ratio of 1:1 (505mg:62mg), and 1% (5.05mg) of tetrabutyl titanate of t...

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Abstract

The invention relates to an antibacterial polyester material and a preparation method thereof. The antibacterial polyester material belongs to a high polymer material which has an antibacterial effect, is derived from cyanuric chloride and contains a menthol side group. The antibacterial polyester material is synthesized by condensation polymerization of a dihydric alcohol compound and two hydroxyl groups in a polymerizable diacid monomer compound derived from cyanuric chloride. The antibacterial polyester material has an efficient antibacterial effect, is low in cost, simple in structure and easy to prepare, and can be widely applied to hygiene, environmental protection or medical products.

Description

technical field [0001] The invention belongs to the technical field of functional polymer material synthesis, relates to an antibacterial polyester material and a preparation method and application thereof, and in particular relates to a polycondensation polymer based on a polymerizable diacid monomer derived from cyanuric chloride and a dihydric alcohol compound. Antibacterial polyester material and preparation method and application thereof. Background technique [0002] Polyester materials are widely used in clothing, home textiles, medical and other industries due to their excellent properties. With the improvement of people's living standards and environmental awareness, the contamination of pathogenic microorganisms has received great attention in the fields of health care products, medical devices, water, air purification systems, and food packaging. The antibacterial properties of polyester materials have also become a research hotspot. [0003] At present, there a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G63/685C08G63/85C08J3/22C08L67/02
CPCC08G63/6856C08G63/85C08J3/226C08J2467/02
Inventor 王兴李霁宇
Owner BEIJING UNIV OF CHEM TECH
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