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Nano titanium dioxide-modified composite water-based ink and preparation method thereof

A nano-titanium dioxide, water-based ink technology, applied in the direction of ink, dyed organosilicon compound treatment, fibrous filler, etc., can solve the problems of water-based ink easy to mold, ink aging and fading, insufficient light aging resistance, etc., and achieve better modification effect. , light aging resistance and antibacterial and antifungal properties are improved, and the effect of uniform distribution

Active Publication Date: 2015-05-20
长兴艾飞特科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this invention is that although the water-based ink has added an anti-scratch agent to strengthen the scratch-resistant performance to a certain extent, its light aging resistance is insufficient, and the ink is easily aged and faded by light after printing. prone to mildew

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] (1) Preparation of silane coupling agent modified inorganic nanoparticles

[0020] Mix the nano-titanium dioxide, ethanol, water and γ-methacryloxypropyltrimethoxysilane with a weight ratio of 1:30:5:1, and then reflux for 8h in a 60℃ water bath, and then cool to room temperature. The product is centrifuged and washed to obtain silane coupling agent modified inorganic nanoparticles. The particle size of the nano titanium dioxide is 10 nm.

[0021] (2) Preparation of nano-titanium dioxide modified waterborne acrylic resin

[0022] Put 30 parts of water and 1 part of emulsifier into the reactor and heat to 80°C, then change 20 parts of methyl methacrylate, 10 parts of hydroxyethyl methacrylate, and 5 parts of the silane coupling agent obtained in step (1). Inorganic nanoparticles, 3 parts of polyethylene glycol and 0.25 parts of water-soluble initiator are put into the reactor and stirred evenly. After holding for 0.5 hours, add 0.25 parts of water-soluble initiator at a const...

Embodiment 2

[0036] (1) Preparation of silane coupling agent modified inorganic nanoparticles

[0037] Mix the nano-titanium dioxide, ethanol, water and γ-methacryloxypropyltrimethoxysilane with a weight ratio of 1:50:15:3, and then reflux in a 60℃ water bath for 16 hours, and then cool to room temperature. The product is centrifuged and washed to obtain silane coupling agent modified inorganic nanoparticles. The particle size of the nano titanium dioxide is 20 nm.

[0038] (2) Preparation of nano-titanium dioxide modified waterborne acrylic resin

[0039] Put 60 parts of water and 3 parts of emulsifier into the reactor and heat to 80°C, then add 35 parts of butyl acrylate, 20 parts of hydroxypropyl methacrylate, and 10 parts of the silane coupling agent obtained in step (1) to modify inorganic Nano particles, 5 parts of polyethylene glycol and 0.5 parts of water-soluble initiator are put into the reactor and stirred uniformly. After holding for 1 hour, add 0.5 part of water-soluble initiator a...

Embodiment 3

[0053] (1) Preparation of silane coupling agent modified inorganic nanoparticles

[0054] Mix the nano-titanium dioxide, ethanol, water and γ-methacryloxypropyltrimethoxysilane with a weight ratio of 1:40:10:2, and then reflux in a 60℃ water bath for 12 hours, and then cool to room temperature. The product is centrifuged and washed to obtain silane coupling agent modified inorganic nanoparticles. The particle size of the nano titanium dioxide is 40 nm.

[0055] (2) Preparation of nano-titanium dioxide modified waterborne acrylic resin

[0056] Put 45 parts of water and 2 parts of emulsifier into the reactor and heat to 80°C, then change 27.5 parts of ethyl methacrylate, 15 parts of hydroxypropyl methacrylate, and 7.5 parts of the silane coupling agent obtained in step (1). Inorganic nanoparticles, 4 parts polyethylene glycol and 0.4 parts water-soluble initiator are put into the reactor and stirred evenly. After keeping for 1 hour, add 0.4 parts of water-soluble initiator at a cons...

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Abstract

The invention belongs to the field of water-based ink design and discloses nano titanium dioxide-modified composite water-based ink which comprises nano titanium dioxide-modified water-based acrylic resin, water-based polyester resin, water, ethanol, pigment, an antifoaming agent, a dispersing agent, a leveling agent and a buffer agent. The preparation process of the nano titanium dioxide-modified composite water-based ink comprises the following steps: preparing silane coupling agent modified inorganic nanoparticles from nano titanium dioxide, ethanol, water and gamma-methacryloxy propyl trimethoxyl silane; preparing nano titanium dioxide modified water-based acrylic resin from an alkane-based acrylate monomer, a hydroxyalkyl acrylate monomer, the silane coupling agent modified inorganic nanoparticles, polyethylene glycol, a water-soluble initiator, an emulsifier and water; and finally, preparing the nano titanium dioxide-modified composite water-based ink from the nano titanium dioxide modified water-based acrylic resin, water-based polyester resin, water, ethanol, pigment, an anti-foaming agent, a dispersing agent, a leveling agent and a buffer agent. The water-based ink is resistant to photoaging and antibacterial and mould-proof.

Description

Technical field [0001] The invention relates to the field of water-based inks, in particular to a composite water-based ink modified by nanometer titanium dioxide and a preparation method thereof. Background technique [0002] Water-based ink is an ink made with water as a solvent, which is prepared by a combination of specific water-based polymer resins, pigments, water and co-solvents through physical and chemical processes. Compared with oil-based and organic solvent-based inks, water-based inks will not cause a large amount of organic solvents to volatilize, have low toxicity, and have little impact on the health of production workers. Today, when more and more attention is paid to environmental protection and personal health, water-based inks have huge Development prospects. However, since the development of water-based inks is not as mature as that of solvent-based inks, there are deficiencies in many properties. [0003] Authorization announcement number CN 102040884 B. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/107C09D11/104C08F292/00C08F283/06C08F220/14C08F220/28C08F2/44C09C1/36C09C3/12
CPCC09D11/104C09D11/107C08F283/06C08F292/00C09C1/3669C09C3/12C08F220/1804C08F220/1802
Inventor 杨俊波杨志德
Owner 长兴艾飞特科技股份有限公司
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