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Hydrophilic antibacterial water absorption material and preparation method thereof

A technology of wave-absorbing materials and antibacterial materials, applied in the field of coatings, can solve the problems of oil stains and food residues sticking, no easy-to-clean performance, and affecting applications, so as to achieve the effects of no health hazards, elimination of health hazards, and increased antibacterial function

Active Publication Date: 2016-10-12
GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. Because the wave-absorbing layer is resin-based, it is easy to cause oil stains and food residues to adhere, it is not easy to clean, and long-term use may pose health risks
[0005] 2. The temperature resistance of the resin is not enough, and there is a risk of producing harmful substances at around 280°C
[0006] 3. The production process of the existing microwave-absorbing materials is complicated, time-consuming and material-consuming. At present, it is rare to use a coating with no resin (or low resin) added, hydrophilic and easy to clean, and microwave-absorbing properties for baking trays used in microwave ovens or microwave ovens. ; The microwave-absorbing materials for microwave ovens or baking trays for microwave ovens are only limited to the use of resin-based high-thickness (about 2 mm), traditional microwave-absorbing materials (ferrite, etc.), and no easy-to-clean performance materials.
[0007] 4. Does not have antibacterial properties
[0008] It is easy to produce harmful substances, difficult to clean, easy to produce bacteria and other problems when used at higher temperatures, which largely affects the application of baking pan-type microwave-absorbing materials in microwave ovens and microwave ovens.

Method used

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Effect test

Embodiment 1

[0095] A hydrophilic antibacterial wave-absorbing material and its preparation method. The components of the coating are calculated by mass percentage, the inorganic binder of the wave-absorbing material is 90%, the wave-absorbing material is 7.7%, the antibacterial material is 0.8%, and the auxiliary agent 1.5%.

[0096] The preparation method is as follows:

[0097] 1) Preparation of antibacterial-adhesive mixed system:

[0098] Mix 50 kg of potassium silicate aqueous solution, 30 kg of sodium silicate aqueous solution, 10 kg of lithium silicate aqueous solution with 0.7 kg of coupling agent DN-8311W, stir mechanically at 400 r / min for 5 minutes, then add 0.1 kg of silver-phosphate, 0.2 kg Chitosan and 0.5 kilograms of nano-titanium dioxide continue to stir until uniformly mixed to obtain an antibacterial-adhesive mixed system;

[0099]2) Preparation of hydrophilic antibacterial absorbing material:

[0100] Add 5.9 kg of silicon carbide whiskers, 1.5 kg of graphene oxide,...

Embodiment 2

[0103] A hydrophilic antibacterial wave-absorbing material and its preparation method. The components of the coating are calculated by mass percentage, the inorganic binder of the wave-absorbing material is 92%, the wave-absorbing material is 5.8%, the antibacterial material is 1%, and the auxiliary agent was 1.2%.

[0104] The preparation method is as follows:

[0105] 1) Preparation of antibacterial-adhesive mixed system:

[0106] Mix 33 kg of potassium silicate aqueous solution, 51 kg of sodium silicate aqueous solution, 8 kg of lithium silicate aqueous solution with 0.6 kg of coupling agent DN-8311W, mechanically stir at 400 r / min for 5 minutes, then add 0.1 kg of silver-phosphate, 0.3 kg Chitosan and 0.6 kilograms of nano-titanium dioxide continue to stir until uniformly mixed to obtain an antibacterial-adhesive mixed system;

[0107] 2) Preparation of hydrophilic antibacterial absorbing material:

[0108] Add 4.5 kg of silicon carbide whiskers, 1.2 kg of graphene oxid...

Embodiment 3

[0111] A hydrophilic antibacterial wave-absorbing material and its preparation method. The components of the coating are calculated by mass percentage, the inorganic binder of the wave-absorbing material is 94%, the wave-absorbing material is 4.2%, the antibacterial material is 0.9%, and the auxiliary agent 0.9%.

[0112] The preparation method is as follows:

[0113] 1) Preparation of antibacterial-adhesive mixed system:

[0114] Mix 48 kg of potassium silicate aqueous solution, 30 kg of sodium silicate aqueous solution, 16 kg of lithium silicate aqueous solution with 0.4 kg of coupling agent DN-8311W, mechanically stir at 400 r / min for 5 minutes, then add 0.1 kg of silver-phosphate, 0.3 kg Chitosan and 0.5 kilograms of nano-titanium dioxide continue to stir until uniformly mixed to obtain an antibacterial-adhesive mixed system;

[0115] 2) Preparation of hydrophilic antibacterial absorbing material:

[0116] Add 3.2 kilograms of silicon carbide whiskers, 0.9 kilograms of ...

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Abstract

The invention relates to a hydrophilic antibacterial water absorption material and a preparation method thereof. The hydrophilic antibacterial water absorption material is prepared from, by mass, 90%-97% of water absorption material inorganic adhesive, 2%-8% of water absorption material, 0.5%-1% of antibacterial material and 0.5%-1.5% of additive. The water absorption material inorganic adhesive is a hydrophilic inorganic material. In the preparation process, all the components are mixed to be uniform. The hydrophilic antibacterial water absorption material can be applied to kitchen electrical products and has the advantages of being easy to clean, free of potential health hazards, good in temperature resistance, simple in production process and good in antibacterial performance and wave absorption performance, saving time and materials and the like.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a hydrophilic antibacterial wave-absorbing material and a preparation method thereof. Background technique [0002] With the improvement of people's living standards and the rapid improvement of food health requirements, more and more families use microwave ovens or microwave ovens with baking trays to bake pizza, chicken wings, biscuits and other foods. Therefore, the performance of the baking pan will directly affect the effect, taste and texture of baking and grilling food. [0003] Most of the microwave-absorbing materials used in the baking trays of existing microwave ovens or microwave ovens are microwave-absorbing powder mixed and dispersed in resin, which is solidified on the surface of metal or ceramic disks at high temperatures to form a microwave-absorbing layer of about 2 mm, so as to achieve baking The plate absorbs microwave energy to achieve the purpo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/04C09D7/12C09D5/14C09D5/32
CPCC09D1/04C09D5/14C09D5/32C09D7/61C09D7/63C09D7/65
Inventor 赵莉
Owner GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD
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