Gradient-color organic silicon nano composite material as well as production process and application thereof

A composite material and organosiloxane technology, applied in anti-corrosion coatings, fire-retardant coatings, coatings, etc., can solve problems such as the inability to display the surface temperature of the product, the difficulty for workers to grasp the operation, and the peeling of the paint on the surface of the product, and achieve good temperature sensing. Discoloration ability, visual effect enhancement, acid and alkali corrosion resistance enhancement effect

Active Publication Date: 2022-01-07
苏州家益厨具科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, ordinary paint is used for the protection of pots and utensils and other products that use metal, glass and ceramics as substrates, which cannot show changes in the temperature of the product surface in the environment. Higher temperatures may cause the paint on the product surface to fall off. Expose the product to the environment, causing severe corrosion

Method used

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  • Gradient-color organic silicon nano composite material as well as production process and application thereof
  • Gradient-color organic silicon nano composite material as well as production process and application thereof
  • Gradient-color organic silicon nano composite material as well as production process and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0044] Reversible color pigment prepared:

[0045] (1) the above-described parts by weight of vanadium pentoxide and weighed lanthanum chromite dispersed in a 0.8M aqueous solution of oxalic acid concentration and stirred at 55 ℃ 430rpm conditions, dispersed for 45 min;

[0046] (2) the system was cooled down to 12 ℃, the coupling agent is added dropwise (equal amounts of acetylacetone and consisting of tetraisopropyl titanate mixture) after complete addition heating at a ramp rate 2.5 ℃ / min to 65 ℃, then nano-silica was added and niobium pentoxide, 2H heat stirring;

[0047] (3) Then the system was heated to 118 ℃ 9H dried in vacuo, and then in an atmosphere of air at, calcined at a temperature of 760 ℃ 4h, and finally pulverized to obtain a reversible color change nanoscale pigment.

Example Embodiment

[0048] Example 1:

[0049] Organosiloxane prepared:

[0050] Triethoxysilane and triethylamine mixed take chloromethyl, 1-amino slowly added dropwise -N- (cyclopropylsulfonyl) -2-vinyl - cyclopropane carboxamide hydrochloride, addition was complete in 30min , 6.5h the reaction was heated to 74 deg.] C, filtered by suction, purified by distillation under reduced pressure to obtain an organosiloxane (its chemical structure is shown below); and a nitrogen blanket throughout the reaction strictly waterproof; specifically, chloromethyl triethoxysilane triethylamine and 1-amino -N- (cyclopropylsulfonyl) ethenyl -2--- molar ratio cyclopropanecarboxylate hydrochloride is from 1: 1.1: 1.05.

[0051]

[0052] 1 H NMR (400 MHz, DMSO-d6): 7.63 (s, 1H, N-H), 5.51 (m, 1H, CH = C), 5.13,4.85 (m, 2H, C = CH 2 ), 3.94 (m, 6H, Si-O-CH 2 ), 2.05 (s, 1H, N-H), 1.90 (s, 2H, Si-CH 2 ), 1.84,1.32 (2H, -CH), 1.29 (t, 9H, -CH 3 ), 0.58 ~ 0.95 (6H, -CH 2 ).

[0053] Modified Polyacrylate Emulsion Prepara...

Example Embodiment

[0062] Example 2:

[0063] Organosiloxane prepared in the same as in Example 1.

[0064] Preparation Example 1 of the embodiment differs modified polyacrylate emulsion as follows: molar ratio of hexafluoro-butyl methacrylate, butyl acrylate, organosiloxane, ethyl silicate is 1: 1.1: 0.4: 0.2 : 0.03; amount of emulsifier was added 2wt% of the total monomers; initiator is added in an amount of 0.5wt% of total monomer.

[0065] Prepared in the same leveling agent as in Example 1.

[0066] A progressive color material composed of a composite material comprising: parts by weight 46 parts of the modified polyacrylate emulsion, 18 parts of aluminum silicate, 9 parts of reversible color pigment, 2 parts of a pigment additive, 16 parts of water, 1.5 parts of sodium carboxymethyl cellulose, 1 part of a leveling agent, 1 part of OT-75,0.8 parts of water-based defoamer, 0.5 parts of a dispersing agent, 0.6 parts dodecanol esters. Wherein the additive comprises a pigment, such as quality of Co...

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Abstract

The invention discloses a gradient color organic silicon nano composite material as well as a production process and application thereof, and relates to the technical field of functional high polymer materials. The composite material is prepared from the following raw materials in parts by weight: 45 to 60 parts of modified polyacrylate emulsion, 18 to 24 parts of aluminum silicate, 8 to 14 parts of reversible color-changing pigment, 2 to 4 parts of pigment additive, 16 to 22 parts of water, 1 to 4 parts of thickening agent, 0.8 to 3 parts of flatting agent, 0.8 to 2 parts of wetting agent, 0.5 to 2 parts of defoaming agent, 0.2 to 1.5 parts of dispersing agent and 0.5 to 1 part of coalescing agent. After a substrate material is coated with the gradient color composite material, the gradient color composite material has high thermochromic capacity, the high temperature resistance and the acid and alkali corrosion resistance of a coating are enhanced, the adhesive force is remarkably improved, and the hardness is higher; and meanwhile, the surface of the coating has certain self-cleaning capability, and the surface glossiness is enhanced.

Description

technical field [0001] The invention belongs to the technical field of functional polymer materials, and in particular relates to a gradient-color organosilicon nanocomposite material and its production process and application. Background technique [0002] Thermochromic coatings refer to coatings that display different colors at different temperatures, and this color change may be reversible or irreversible. Due to the limitations of the materials used in our common thermochromic paints, the general discoloration range is below 120°C or even lower. At higher temperatures, the thermochromic pigments in the thermochromic paint decompose and lose the thermochromic function. However, in our daily life, the temperature of the coating on many products is much higher than 120°C. How to indicate the temperature of commonly used heating elements such as electric irons, frying pans, frying pans, baking pans, etc. through the temperature-sensitive color-changing coating It has reache...

Claims

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Application Information

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IPC IPC(8): C09D133/08C09D5/08C09D7/47C09D7/61
CPCC09D143/04C09D5/08C09D5/18C09D7/47C09D7/61C08L2201/08C08L33/16C08K3/34
Inventor 殷林根
Owner 苏州家益厨具科技有限公司
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