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Process for preparing nano modified UV-cured resin coating

A curing resin and nano-modification technology, applied in the direction of coating, etc., can solve the problems of difficult control of process conditions, fast curing speed, incomplete curing, etc., and achieve the effect of prolonged curing time, complete curing and more uniform thickness

Inactive Publication Date: 2005-08-17
NANJING UNIV OF SCI & TECH
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  • Abstract
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  • Claims
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Problems solved by technology

Due to the fast curing speed and incomplete curing of UV-curable resin coatings, the process conditions are difficult to control, and the wear resistance of the coating surface is poor, which affects the popularization and application of the floor coatings.

Method used

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  • Process for preparing nano modified UV-cured resin coating

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Embodiment Construction

[0007] The present invention will be further described below in conjunction with the accompanying drawings.

[0008] A kind of specific implementation mode of flow process shown in accompanying drawing is:

[0009] The first step: preparation of nano-SiO by sol-gel method 2 , control the calcination temperature at 600-800°C and add polyvinyl alcohol (PEG) or gelatin to control the particle size between 20-40 nanometers;

[0010] The second step: use X-ray diffraction (XRD), transmission electron microscope (TEM), scanning electron microscope (SEM) and Fourier transform infrared spectrometer (FT-IR) to measure the particle size, crystal form and crystal appearance of nanomaterials, The spectroscopic properties of nanomaterials and the dispersion state of nanomaterials in resin coatings;

[0011] The third step: use titanate coupling agent or siloxane coupling agent to nano-SiO 2 Surface modification, using reflux method: drop coupling agent into a three-necked flask filled w...

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Abstract

The present invention relates to the preparation process of nanometer modified UV cured resin paint. The preparation process includes preparing nanometer oxide through sol-gel process, controlling calcining temperature and adding PVA or gelatin to control the particle size of the nanometer oxide in 20-40 nm; measuring the particle size, crystal form, etc. of the nanometer oxide; surface modifying the nanometer oxide with siloxane or titanate coupling agent; mixing pre-polymerizing glue, active monomer, photosensitive agent, initiator and solvent to form the UV cured resin paint pre-polymer; and adding and ultrasonically dispersing the nanometer oxide to obtain the nanometer modified UV cured resin paint. The nanometer modified UV cured resin paint of the present invention has prolonged curing period, complete curing, homogeneous coating thickness, high coating hardness, high heat resistance, and high wear resistance.

Description

A technical field [0001] The invention relates to a preparation method of a material surface coating, in particular to a preparation method of a nano-modified ultraviolet curing resin coating. Two background technology [0002] Coating is a widely used fine chemical, involving various parts of daily life, national economy and national defense. It develops very rapidly, and its varieties have expanded from general-purpose coatings that only have decorative and protective functions to various properties that can change the surface of the coated object. special coatings. UV-curable coating is a new type of coating, which has developed rapidly in recent years due to its advantages of energy saving, environmental protection, and fast processing speed. Nanomaterials and nanotechnology are new disciplines and research hotspots in recent years. When the particle size reaches the nanometer level (1-100nm), it has quantum size effect, small size effect, surface effect and macroscopi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/00
Inventor 汪信杨绪杰陆路德周海燕刘孝恒王宏新陈海群朱俊武卑凤利韩巧凤江晓红肖迎红
Owner NANJING UNIV OF SCI & TECH
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