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Preparation method of flame-retardant putty

A technology of putty and main body, applied in the direction of filling slurry, etc., can solve the problems that the putty has no flame retardant performance, the heat resistance and flame retardant performance of the putty cannot meet the special requirements, etc., and achieves the effect of improving the heat resistance performance.

Inactive Publication Date: 2012-06-20
康月红
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent 94115901 discloses a formula and production method of "normal temperature quick-drying high-grade polymeric putty". The putty is mainly composed of mixed unsaturated resin, and has the characteristics of putty putty, fast drying, strong adhesion, flexibility and sandability. , good brushing properties, etc., but the resin used in this patent is an unsaturated polyester resin commonly used in putty, and the heat-resistant temperature is usually below 150°C. At the same time, the putty has no flame retardant performance, so the putty The heat resistance and flame retardancy cannot meet the special requirements of subway vehicles and other high-temperature places, such as front cars, axles, flues, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A method for preparing flame retardant putty, the putty is composed of two components: main body and initiator: the weight ratio of main body and initiator is 100:2, and the two components are mixed uniformly according to the ratio during use That is, the main body is composed of the following components in parts by weight: 50 parts of unsaturated polyester resin, 10 parts of silicone resin, 15 parts of saturated polyester resin, 8 parts of styrene, 0.03 parts of dimethylglyoxime, 1.4 parts of cobalt isooctanoate, 5 parts of sodium bentonite, 9 parts of titanium dioxide, 5 parts of barium sulfate, 14 parts of talcum powder; Dibutyl phthalate: 28 parts, SiO 2 : 14 parts, described preparation method comprises the steps:

[0015] (1) Main body: According to the above ratio, put unsaturated polyester resin, silicone resin, and saturated polyester resin into the dispersion tank, and add styrene, dimethylglyoxime, and cobalt isooctanoate, at a speed of 800r / min Stir for 10...

Embodiment 2

[0019] A method for preparing flame retardant putty, the putty is composed of two components: main body and initiator: the weight ratio of main body and initiator is 100:2, and the two components are mixed uniformly according to the ratio during use That is, the main body is composed of the following components in parts by weight: 56 parts of unsaturated polyester resin, 15 parts of silicone resin, 12 parts of saturated polyester resin, 12 parts of styrene, 0.02 parts of dimethylglyoxime, 1.8 parts of cobalt isooctanoate, 3 parts of sodium bentonite, 11 parts of titanium dioxide, 3 parts of barium sulfate, 18 parts of talcum powder; Dibutyl phthalate: 32 parts, SiO 2 : 12 parts, described preparation method comprises the steps:

[0020] (1) Main body: According to the above ratio, put unsaturated polyester resin, silicone resin and saturated polyester resin into the dispersion tank, and add styrene, dimethylglyoxime, and cobalt isooctanoate, at a speed of 1000r / min Stir for ...

Embodiment 3

[0024] A method for preparing flame retardant putty, the putty is composed of two components: main body and initiator: the weight ratio of main body and initiator is 100:2, and the two components are mixed uniformly according to the ratio during use That is, the main body is composed of the following components in parts by weight: 53 parts of unsaturated polyester resin, 12 parts of silicone resin, 13.5 parts of saturated polyester resin, 10 parts of styrene, 0.025 parts of dimethylglyoxime, 1.6 parts of cobalt isooctanoate, 4 parts of sodium bentonite, 10 parts of titanium dioxide, 4 parts of barium sulfate, 16 parts of talcum powder; Dibutyl phthalate: 30 parts, SiO 2 : 13 parts, described preparation method comprises the steps:

[0025] (1) Main body: According to the above ratio, put unsaturated polyester resin, silicone resin and saturated polyester resin into the dispersion tank, and add styrene, dimethylglyoxime and cobalt isooctanoate, and then mix it at a speed of 90...

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Abstract

The invention discloses a preparation method of flame-retardant putty and is characterized in that the putty comprises two components, namely a putty main body and initiating agent, wherein the weight ratio of the putty main body to the initiating agent is 100:2. During use, all that is needed to do is uniformly mix the two components in proportion. The putty main body comprises the following components by part by weight: unsaturated polyester resin, organosilicon resin, saturated polyester resin, phenethylene, diacetyl dioxime, cobalt iso-octoate, sodium bentonite, titanium dioxide, barium sulphate and talcum powder; the initiating agent comprises the following components: cyclohexanone peroxide, dibutlyl phthalate and SiO2; and the preparation method comprises the following steps: preparation of the putty main body, the preparation of the initiating agent, and mixing for use.

Description

technical field [0001] The invention relates to the field of chemical coatings, in particular to a method for preparing flame-retardant putty. Background technique [0002] Flame retardant putty usually refers to the primer coating material for metal surface embedding materials, especially a normal temperature drying and air drying type silicone modified unsaturated flame retardant putty. There are generally two types of filling materials for metal surfaces: one is water-based putty, and the other is resin putty. Chinese patent CN86101069 discloses a formula called "cross-linked emulsion baking putty" and its production method. The putty uses water instead of organic solvents. It is non-flammable, non-toxic and harmless, and does not pollute the environment. However, the putty manufactured by this patent must be dried at about 110°C for 50 minutes; such drying conditions greatly limit the use of its putty , due to large-scale equipment and accessories that are not convenie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/34
Inventor 卢齐元
Owner 康月红
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