Superhydrophobic paper and preparation method thereof

A super-hydrophobic paper and super-hydrophobic technology, applied in the field of functional paper, can solve the problems of complex preparation process and procedure, poor scratch resistance, unfavorable impregnation of wax substances, etc., to improve super-hydrophobic performance, reduce surface energy, roughness added effect

Active Publication Date: 2018-02-02
邱禹
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the technical defects of the superhydrophobic paper in the current prior art, which are relatively complicated in preparation process and pr...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A preparation method of superhydrophobic paper, comprising the following steps:

[0033] (1) Hydroxylation modification of the paper: soak the paper in a sodium hydroxide solution with a pH value of 10 for 5 minutes, take it out, place it in the middle of a double-layer polyethylene film, and bake it at 110°C for 3 minutes.

[0034](2) The paper is etched by the plasma etching method, and the process of the plasma etching method for the paper fiber is: SF 6 The flow rate is 100 sccm, O 2 flow rate of 30 sccm, C 4 f 8 The flow rate is 6sccm, the power is 800W, the RF power is 25W, the RF frequency is 300Hz, the duty cycle is 25%, the etching temperature is 25°C, and the chamber pressure is 80mT.

[0035] (3) Put the etched paper in the vapor of perfluorodecyltriethoxysilane, let it stand at 200°C for 1.5h, and then cool it to room temperature to obtain fluorine-modified paper.

[0036] (4) Use Ar as the gas source to perform plasma pretreatment on the paper. The spec...

Embodiment 2

[0040] A preparation method of superhydrophobic paper, comprising the following steps:

[0041] (1) Hydroxylation modification of the paper: soak the paper in a sodium hydroxide solution with a pH value of 11.7 for 8 minutes, take it out, place it in the middle of a double-layer polyethylene film, and bake it at 110°C for 3 minutes.

[0042] (2) The paper is etched by the plasma etching method, and the process of the plasma etching method for the paper fiber is: SF 6 The flow rate is 200 sccm, O 2 The flow rate is 45 sccm, C 4 f 8 The flow rate is 120sccm, the power is 1000W, the RF power is 15W, the RF frequency is 400Hz, the duty cycle is 20%, the etching temperature is 30°C, and the chamber pressure is 50mT.

[0043] (3) After the etched paper was placed in the vapor of perfluorooctane sulfonic acid, it was allowed to stand at 180°C for 1.5h, and then cooled to room temperature to obtain fluorine-modified paper.

[0044] (4) Use Ar as the gas source to perform plasma pr...

Embodiment 3

[0048] A preparation method of superhydrophobic paper, comprising the following steps:

[0049] (1) Hydroxylation modification of the paper: soak the paper in a sodium hydroxide solution with a pH value of 12 for 3 minutes, take it out, place it in the middle of a double-layer polyethylene film, and bake it at 110°C for 3 minutes.

[0050] (2) The paper is etched by the plasma etching method, and the process of the plasma etching method for the paper fiber is: SF 6 The flow rate is 10 sccm, O 2 The flow rate is 5 sccm, C 4 f 8 The flow rate is 100sccm, the power is 300W, the RF power is 50W, the RF frequency is 500Hz, the duty cycle is 50%, the etching temperature is 10°C, and the chamber pressure is 10mT.

[0051] (3) Put the etched paper in the vapor of octadecyltrichlorosilane, let it stand at 100°C for 2 hours, and then cool it to room temperature to obtain fluorine-modified paper.

[0052] (4) Use Ar as the gas source to perform plasma pretreatment on the paper. The s...

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PUM

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Abstract

The invention relates to the technical field of functional paper, in particular to superhydrophobic paper and a preparation method thereof. The preparation method includes the steps of 1), subjectingthe paper to hydroxylation modification; 2), etching the paper with a plasma etching method; 3), subjecting the paper to plasma pretreatment with Ar as an air source; 4), deposing a superhydrophobic membrane on the surface of the paper with a plasma chemical vapor deposition method. A micro-structure can be prepared on the surface of the paper by adopting the plasma etching method to have the paper etched, specific surface area of the paper is increased, roughness of the paper is increased, the surface of the paper is enabled to be difficult to infiltrate, contact angle is favorably increased,the fluorine-containing superhydrophobic membrane is deposed on the surface of the paper with a plasma chemical vapor deposition method through fluorine modification, the superhydrophobic membrane has the advantages of high strength and scratch resistance, and hydrophobicity has a long lasting effect.

Description

technical field [0001] The invention relates to the technical field of functional paper, in particular to a super-hydrophobic paper and a preparation method thereof. Background technique [0002] The paper industry is one of the ten pillar industries of the national economy in developed countries. The emergence of the laser industry has promoted the development of the optoelectronic industry, which is the pillar industry of the information industry. After years of rapid growth, my country's paper industry has gradually entered a mature stage after 2012. There are currently more than 6,000 paper companies in my country. [0003] Paper is a common and indispensable substance in daily life. Paper fiber has good hydrophilicity because it contains hydrophilic groups. Modifying the surface of paper, endowing it with super-hydrophobic properties, and forming a bionic lotus leaf effect on the surface of paper can improve the performance of paper, making it hydrophobic and self-cl...

Claims

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Application Information

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IPC IPC(8): D21H25/02D21H25/00D21H23/30D21H23/22D21H21/16D21H21/18
CPCD21H21/16D21H21/18D21H23/22D21H23/30D21H25/005D21H25/02
Inventor 陈庆司文彬
Owner 邱禹
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