Inclusion compound monomer based on subject-object recognition, preparation method of inclusion compound monomer, starch-styrene-acrylic antibacterial emulsion, and preparation method and application of starch-styrene-acrylic antibacterial emulsion

A technology of host-guest identification and inclusion complex, which is applied in textiles and papermaking, anti-biological reagent addition, papermaking, etc., can solve the problem of no antibacterial properties, and achieve the effect of not easy to break, improve high viscosity, and high viscosity

Active Publication Date: 2021-08-10
NORTHWEST UNIVERSITY FOR NATIONALITIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing paper surface modifiers generally use natural polymers (such as starch paste) or synthetic polymers, and most of these surface modifiers do not have antibacterial properties

Method used

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  • Inclusion compound monomer based on subject-object recognition, preparation method of inclusion compound monomer, starch-styrene-acrylic antibacterial emulsion, and preparation method and application of starch-styrene-acrylic antibacterial emulsion
  • Inclusion compound monomer based on subject-object recognition, preparation method of inclusion compound monomer, starch-styrene-acrylic antibacterial emulsion, and preparation method and application of starch-styrene-acrylic antibacterial emulsion
  • Inclusion compound monomer based on subject-object recognition, preparation method of inclusion compound monomer, starch-styrene-acrylic antibacterial emulsion, and preparation method and application of starch-styrene-acrylic antibacterial emulsion

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preparation example Construction

[0037] The invention provides a method for preparing an inclusion compound monomer based on host-guest recognition, comprising the following steps:

[0038] Mix titanium dioxide, a silane coupling agent, and a benzene-containing solvent for coupling modification to obtain a coupling-modified titanium dioxide; mix the coupling-modified titanium dioxide, adamantane chloride, a chlorinated hydrocarbon solvent, and a first amine compound catalyst Mixing and hydrophobic modification to obtain a double-modified titanium dioxide guest;

[0039] Mixing β-cyclodextrin, methylolacrylamide, amide solvent and a second amine compound catalyst to carry out enamide methylation reaction to obtain the main body of alkenyl β-cyclodextrin;

[0040] Disperse the alkenyl β-cyclodextrin main body in water to obtain a main body dispersion;

[0041] Dispersing the double-modified titanium dioxide guest into ethanol to obtain a guest dispersion;

[0042] The host dispersion liquid and the guest disp...

Embodiment 1

[0086] Prepare double-modified titanium dioxide guest, the steps are:

[0087] (1) Weigh 2g of titanium dioxide and 4mL of silane coupling agent KH570 in a round-bottomed flask, use toluene as the solvent, conduct coupling modification at 80°C for 24 hours, cool, filter, and use toluene, deionized water and absolute ethanol in sequence After washing, filtering and vacuum drying, the coupling modified titanium dioxide is obtained.

[0088] (2) Weigh 0.5 g of the coupling-modified titanium dioxide prepared in (1) and 0.5 g of adamantane chloride in a round-bottomed flask, use 15 mL of chloroform as a solvent, and 0.5 g of dimethylaminopyridine as a catalyst at 60° C. After reacting for 48 hours, the product was washed with deionized water and absolute ethanol, filtered, and vacuum-dried to obtain the double-modified titanium dioxide guest, which was set aside.

[0089] Preparation of alkenyl cyclodextrin: Weigh 5g of β-cyclodextrin and 5g of methylolacrylamide in a round bottom...

Embodiment 2

[0093] Repeat the preparation process of Example 1, the only difference is that the double-modified titanium dioxide guest is 0.5g, and the main body of alkenyl cyclodextrin is 1g. Compound monomer, the yield is 56.9%.

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Abstract

The invention provides an inclusion compound monomer based on subject-object recognition, a preparation method of the inclusion compound monomer, a starch-styrene-acrylic antibacterial emulsion and a preparation method and application of the starch-styrene-acrylic antibacterial emulsion, and belongs to the technical field of paper surface modification. The starch-styrene-acrylic antibacterial emulsion based on subject-object recognition prepared by the invention is used as a paper surface modifier, has good antibacterial performance, and can improve the mechanical properties of paper, the highest bursting strength can reach 279kPa, the highest folding strength can reach 53 times, the highest smoothness can reach 41.06%, and the highest crease stiffness can reach 0.8 mN.m.

Description

technical field [0001] The invention relates to the technical field of paper surface modification, in particular to an inclusion complex monomer based on host-guest recognition and a preparation method thereof, a starch-styrene-acrylic antibacterial emulsion, a preparation method and application thereof. Background technique [0002] Antibacterial functional paper is an important new type of functional paper-based material that has the function of killing or inhibiting microorganisms, and can effectively inhibit the growth of bacteria. [0003] Paper surface modifier is a functional reagent that sprays a layer of emulsion with a certain strength on the surface of the paper, and forms a film on the surface of the paper after drying, so as to change the surface properties of the paper. Existing paper surface modifiers generally use natural polymers (such as starch paste) or synthetic polymers, and most of these surface modifiers do not have antibacterial properties. Contents...

Claims

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Application Information

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IPC IPC(8): C08B37/16D21H21/36D21H19/20
CPCC08B37/0015D21H21/36D21H19/20
Inventor 苏琼王彦斌梁俊玺任敏赵向飞孙初锋齐燕姣孙万虹康淑荷赵军吴代琼田娜贾卫敏
Owner NORTHWEST UNIVERSITY FOR NATIONALITIES
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