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Organosilicon pigment as well as preparation method and use method thereof

A technology of organosilicon and organopolysiloxane, which is applied in art paints, antifouling/underwater paints, biocide-containing paints, etc., can solve the production hazards of human body and environment, and remove the old varnish layer, which is cumbersome and difficult to operate Meet other problems, to achieve good oxygen resistance and anti-aging effect

Active Publication Date: 2018-01-12
GUANGDONG BIOMAX SIANDF NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] (2) Oil paintings are prone to aging during preservation, and their outdoor weather resistance is poor. It is inevitable that they will turn yellow and darken. The operation of removing the old varnish layer is very cumbersome and requires the use of solvents such as turpentine, gasoline, benzene, alcohol, etc. These solvents are also harmful to the human body and the environment;
[0006] (3) It is only suitable for painting on various types of canvas, linen, cardboard or wood substrates. The scope of application is limited and it cannot meet the needs of painting on other substrates.

Method used

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  • Organosilicon pigment as well as preparation method and use method thereof
  • Organosilicon pigment as well as preparation method and use method thereof
  • Organosilicon pigment as well as preparation method and use method thereof

Examples

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preparation example Construction

[0053] A method for preparing organosilicon pigments, comprising a step of preparing component A and component B;

[0054] A component preparation step: add organopolysiloxane, filler, toner, silicone resin, organohydrogen polysiloxane, tackifier and reaction inhibitor in a mixer according to the proportion, mix for 1-3 hours, then grind, Finally, it was cooled to room temperature to obtain composition A;

[0055] Steps for preparing component B: add organopolysiloxane and reaction catalyst in a mixer according to the ratio, mix for 0.5-1 hour, and cool to room temperature to obtain composition B;

[0056] Mixing step: Mix composition A and composition B in a weight ratio of (5-10):1 to obtain a pigment.

[0057] The third objective of the present invention can be achieved by adopting the following technical solutions:

[0058] A method of using organosilicon pigments, including:

[0059] Dilution step: add a viscosity modifier to dilute the pigment, wherein the weight ratio of the visc...

Embodiment 1-5

[0071] Examples 1-5 are silicone pigments, each of which is prepared from component A and component B; the proportions of component A and component B are shown in the following table.

[0072] Table 1 Components and ratios of Examples 1-5

[0073]

[0074]

[0075] Among them, the weight ratio of the A component and the B component of Example 1 is 5:1; under room temperature conditions, complete curing can be achieved in 1 hour.

[0076] Organopolysiloxane has the following molecular structure:

[0077]

[0078] In the formula, a=500, b=0; where R 1 For -CH=CH 2 ;

[0079] The molecular structure of organohydrogen polysiloxane is as follows:

[0080]

[0081] In the formula, c=20, d=40; where R 3 Is methyl, R 4 Is a hydrogen radical;

[0082] Silicone resin has the following molecular structure:

[0083] [(CH 3 ) 3 SiO 1 / 2 ] e [(CH 2 =CH)(CH 3 ) 2 SiO 1 / 2 ] f [SiO 4 / 2 ] g

[0084] In the formula, e=0.6, f=0.1, g=1;

[0085] The filler has a specific surface area of ​​100m 2 / g, bulk density ...

Embodiment 2

[0086] The weight ratio of the A component and the B component of Example 2 is 6:1; under room temperature conditions, complete curing can be achieved within 1.5 hours.

[0087] Organopolysiloxane has the following molecular structure:

[0088]

[0089] In the formula, a=400, b=50; where R 1 For -CH=CH 2 , R 2 Is methyl;

[0090] The molecular structure of organohydrogen polysiloxane is as follows:

[0091]

[0092] In the formula, c=10, d=50; where R 3 Is methyl, R 4 Is a hydrogen radical;

[0093] Silicone resin has the following molecular structure:

[0094] [(CH 3 ) 3 SiO 1 / 2 ] e [(CH 2 =CH)(CH 3 ) 2 SiO 1 / 2 ] f [SiO 4 / 2 ] g

[0095] In the formula, e=0.6, f=0.2, g=1;

[0096] The filler has a specific surface area of ​​150m 2 / g, bulk density 100kg / m 3 The fumed silica; reaction inhibitor is methyl butynol; reaction catalyst is chloroplatinic acid.

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Abstract

The invention discloses an organosilicon pigment. The organosilicon pigment is prepared from a component A and a component B, wherein the component A is prepared from the following components in partsby weight: 50 to 100 parts of organopolysiloxane, 1 to 10 parts of filler, 20 to 80 parts of toner and 0.5 to 5 parts of organic hydride polysiloxane, 0 to 10 parts of silicon resin, 0.5 to 5 parts of a tackifier and 0 to 0.2 part of a reaction inhibitor; the component B is prepared from the following components in parts by weight: 50 to 100 parts of the organopolysiloxane and 0.1 to 2 parts of areaction catalyst. The invention also provides a preparation method and a use method of the organosilicon pigment. The pigment disclosed by the invention has the advantages of good oxygen and aging resistance, good light and aging resistance, good mildew resistance and chemical stability; in addition, the organosilicon pigment can be stored stably for a long time, and the problems of color change, aging and cracking of the materials and the like are solved, so that long-term preservation and no maintenance of oil paintings can be really realized.

Description

Technical field [0001] The invention belongs to the field of oil painting production, and in particular relates to an organic silicon pigment and a preparation method and a use method thereof. Background technique [0002] Oil painting is a kind of painting made with quick-drying vegetable oil (linseed oil, poppy oil, walnut oil, etc.) on canvas, linen, cardboard or wood. When the picture is dry, the surface of the oil painting has a strong Hardness, relying on the hiding power and transparency of oil paintings to fully express the painted objects, rich colors, strong three-dimensional texture, is the main painting method in the history of Western painting. At present, the raw materials used for painting include volatile turpentine oil and dry linseed oil. In order to maintain the gloss of the picture and prevent the aging phenomenon caused by air erosion and dirt accumulation, varnish is usually applied after the oil painting is completed and dried. [0003] However, the raw mate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/06C09D183/07C09D5/14C09D7/61C09D7/63
Inventor 陆文灿林文生陈志亮黄振宏
Owner GUANGDONG BIOMAX SIANDF NEW MATERIAL CO LTD
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