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Hydrophilic type anti-sedimentation far infrared wave-absorbing material and preparation method thereof

An absorbing material and anti-settling technology, applied in the field of coatings, can solve the problems of large differences in microwave absorbing properties, uneven dispersion of absorbing agents, and no easy cleaning performance, and achieve small differences in microwave absorbing properties and excellent anti- Settling and uniformity, the effect of improving the cooking effect

Active Publication Date: 2017-02-22
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

[0012] In view of the problems existing in the prior art, the present invention provides a hydrophilic anti-sedimentation far-infrared absorbing material and its preparation method, which can be used in microwave oven products, and aims to solve the problem of microwave absorbing materials used in microwave products. Uneven dispersion of the absorbing agent and easy settlement will lead to large differences in the microwave absorbing performance of batch products of the same specification and model, and even local overheating and melting due to uneven dispersion of the absorbing agent; the use of a large amount of resin materials such as silica gel will cause the absorbing layer to overheat. Thick; does not have far-infrared performance, and the inside of the food is prone to uncooked phenomenon; the production process is complicated, time-consuming and material-consuming; does not have easy-to-clean performance, and long-term use will easily lead to problems such as adhesion of oil stains

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  • Hydrophilic type anti-sedimentation far infrared wave-absorbing material and preparation method thereof
  • Hydrophilic type anti-sedimentation far infrared wave-absorbing material and preparation method thereof

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preparation example Construction

[0094] The invention provides a preparation method of a hydrophilic anti-sedimentation far-infrared wave-absorbing material, which comprises the following steps: mixing each component together according to the above-mentioned proportion.

[0095] Further, said auxiliary agent comprises dispersant, adhesion promoter and defoamer, comprises the following steps:

[0096] 1) Preparation of dispersant-binder mixed system:

[0097] Mix the proportioning amount of binder and part of the dispersing aid according to the proportioning ratio, and mix evenly to obtain a dispersant-binder mixed system;

[0098] 2) Preparation of anti-sedimentation system:

[0099] Add a proportioned amount of anti-settling agent and defoamer to the dispersant-binder mixing system prepared in step 1), and mix evenly to obtain an anti-settling system;

[0100] 3) Preparation of anti-sedimentation absorbing system:

[0101]Adding a wave absorbing agent and an adhesion promoter to the anti-sedimentation sys...

Embodiment 1

[0119] A hydrophilic anti-sedimentation far-infrared wave-absorbing material and its preparation method. The coating consists of: 64.6 kg of binder, 4 kg of wave-absorbing agent, 20 kg of far-infrared powder, and 10 kg of anti-settling agent , the auxiliary agent is 1.4 kg.

[0120] The preparation method is as follows:

[0121] 1) Preparation of dispersant-binder mixed system:

[0122] Mix 64.6 kg of binder (including 15 kg of silica sol, 15 kg of aluminum sol, 6.6 kg of lithium silicate solution, 20 kg of sodium silicate solution and 8 kg of potassium silicate solution) with 0.5 kg of dispersion aid SER-AD FA607 , 300r / min mechanical stirring until the dispersant is completely dissolved and the system is uniform, and the dispersant-binder mixed system is prepared;

[0123] 2) Preparation of anti-sedimentation system:

[0124] Add 8 kilograms of hydrophilic fumed silica A200, 2 kilograms of fumed alumina and 0.3 kilogram of defoamer high-efficiency defoamer JN-5 to the dis...

Embodiment 2

[0131] A hydrophilic type anti-sedimentation far-infrared wave-absorbing material and its preparation method. The coating is composed of: 67.6 kg of binder, 6 kg of wave-absorbing agent, 15 kg of far-infrared powder, and 10 kg of anti-sedimentation agent , the auxiliary agent is 1.4 kg.

[0132] The preparation method is as follows:

[0133] 1) Preparation of dispersant-binder mixed system:

[0134] Mix 67.6 kg of binder (including 25 kg of silica sol, 10 kg of aluminum sol, 5.6 kg of lithium silicate solution, 13 kg of sodium silicate solution and 14 kg of potassium silicate solution) with 0.5 kg of dispersing aid BYK-301, Stir mechanically at 300r / min until the dispersant is completely dissolved and the system is uniform to obtain a dispersant-binder mixed system;

[0135] 2) Preparation of anti-sedimentation system:

[0136] Add 8 kilograms of hydrophilic fumed silica A200, 2 kilograms of fumed alumina and 0.3 kilogram of defoamer high-efficiency defoamer JN-5 to the mix...

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Abstract

The invention relates to a hydrophilic type anti-sedimentation far infrared wave-absorbing material and a preparation method thereof. The hydrophilic type anti-sedimentation far infrared wave-absorbing material comprises the following components in parts by weight: 49 to 83.2 parts of a binding agent, 1 to 20 parts of a wave-absorbing agent, 10 to 20 parts of far infrared powder, 5 to 10 parts of an anti-sedimentation agent and 0.8 to 1.5 parts of an additive. During preparation, the components are mixed according to the ratio. The hydrophilic type anti-sedimentation far infrared wave-absorbing material and the preparation method thereof have the advantages of dispersed uniformity of the wave-absorbing agent, insusceptibility to sedimentation, small difference of microwave absorbing property, thin coating, simple production process, time saving and material saving, high hydrophilic performance, insusceptibility to oil dirt adhesion, easiness in cleaning, capabilities of improving the penetrability to food, enabling the food to absorb energy well and improving the cooking effect, and the like.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a hydrophilic anti-sedimentation far-infrared wave-absorbing material and a preparation method thereof. Background technique [0002] As we all know, most of the absorbing agents used in the microwave industry are ferrites, carbides, nitrides, etc. with high density, which are mixed with binders, solvents, etc. If the agent settles, it will seriously affect the application of the absorbing material, and will also affect the actual absorbing effect of the absorbing material and the stability of temperature rise. It is more likely that the temperature will be too high, and there will be safety problems in use. [0003] In addition, related microwave appliances made of microwave-absorbing materials tend to overcook the surface of the food while the inside of the food is not yet cooked, which affects the consumer experience and actual cooking effect. [0004] The above-mentioned pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/02C09D1/04C09D1/00C09D5/32C09D7/02C09D7/12C09D7/45
CPCC09D1/00C09D1/02C09D1/04C09D5/18C09D5/32C09D7/45C09D7/61C09D7/65C09D7/67
Inventor 赵莉
Owner GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD
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