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Low temperature quick-drying amino paint for automobile chassis and production method thereof

An automobile chassis and amino technology, applied in coatings, polyester coatings, etc., can solve the problems of poor chassis protection, short salt spray resistance time, and long coating time, and achieve good leveling, protective performance and The effect of improving the coating efficiency and delaying the aging time

Active Publication Date: 2009-05-20
ANQING LINGHU PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The baking temperature of the existing domestic amino baking varnishes generally hovers around 130°C, and the actual salt spray resistance of the baking paint does not exceed 72 hours. If the baking temperature is too high, the coating time is longer and the salt spray resistance time is shorter. Its protection against the chassis is not good

Method used

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  • Low temperature quick-drying amino paint for automobile chassis and production method thereof
  • Low temperature quick-drying amino paint for automobile chassis and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0056] 1. The main raw material of B-12 resin

[0057] Octadecenic acid (industrial product), benzoic acid (industrial product), phthalic anhydride (industrial product), dimethylolpropionic acid (industrial product), pentaerythritol (industrial product), trimethylbenzene (industrial product), butanol (industrial product) product), composite iron-titanium powder (industrial product), superfine mica powder (industrial product), medium pigment 3# carbon black (industrial product), BYK-450 (imported from Germany).

[0058] 2. The weight ratio of B-12 resin raw material components:

[0059] Raw material name Specification Percent composition

[0060] Octadenoic acid, AV≥198mgKOH / g 16-22

[0061] Benzoic acid 99% 3-7

[0062] Pentaerythritol 99.5% 9-13

[0063] Phthalic anhydride 99.5% 12-17

[0064] Dimethylolpropionic acid 99.5% 3-6

[0065] Trimethylbenzene industrial products 45-55

[0066] 3. Preparation of B-12 resin:

[0067] ①. Add octadecenoic acid, benzoic acid, pent...

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Abstract

The invention provides a low-temperature fast-dry amino automobile chassis paint and a production method thereof, wherein, the paint consists of B-12 resin, medium pigment carbon black, compound ferrotitanium powder, ultra-fine mica powder, an auxiliary agent, sealed paratoluenesulfonic acid BYK-450 and BR-167 amino resin; B-12 resin is prepared by octadecenoic acid, benzoic acid, pentaerythritol, phthalic anhydride, dimethylol propionic acid, and trimethyl benzene. The automobile chassis paint adopts special B-12 resin synthetic route to lead the polymer chain to have more active functional groups simultaneously to be matched with the blocked paratoluenesulfonic acid, reduces the baking temperature of the existing amino paint from 130 DEG C to 90 DEG C and reduces the curing film-forming time from 1 hour to half an hour. As the paint film has high crosslinking density, compound ferrotitanium powder and squamous anti-rust pigment are matched for use, and the polyaniline is used for improving the anticorrosive potentials, thus leading the salt spray resistance of the paint to achieve 150 hours and improving the protection performance and the coating efficiency.

Description

Technical field: [0001] The invention belongs to the technical field of new materials, in particular to a low-temperature quick-drying amino car chassis paint and a production method thereof. Background technique: [0002] With the development of my country's automobile industry, the anti-corrosion requirements for automobile chassis paint are getting higher and higher. At the same time, modern automobile assembly line production requires high efficiency, low energy consumption, and environmental protection. The baking temperature of the existing domestic amino baking varnishes generally hovers around 130°C, and the actual salt spray resistance of the baking paint does not exceed 72 hours. If the baking temperature is too high, the coating time is longer and the salt spray resistance time is shorter. Its protection against the chassis is not good. Invention content: [0003] The invention provides a low-temperature quick-drying amino car chassis paint, which greatly impr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/08C09D161/20C09D179/02
Inventor 李秀苗聂咸庆罗敏张源
Owner ANQING LINGHU PAINT
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