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Environment-friendly two-component marking coating as well as preparation method, use method and application thereof

A marking paint, two-component technology, applied in the field of environment-friendly two-component marking paint and its preparation, can solve the problems of poor recoatability, low construction efficiency, VOC volatilization, etc., and achieve improved retroreflective performance, the best Use effect, effect of improving service life

Active Publication Date: 2022-02-15
SHANGHAI RES INST OF BUILDING SCI CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the road marking paints commonly used in the prior art are hot-melt road marking paints. The disadvantages of this marking paint are: low construction efficiency, poor recoatability, high energy consumption (need to be heated to 180-220 ° C), The poor road conditions are easy to fall off, and the low boiling point VOC volatilizes seriously during construction, which is easy to pollute the environment; thus limiting its application in the future marking paint

Method used

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  • Environment-friendly two-component marking coating as well as preparation method, use method and application thereof
  • Environment-friendly two-component marking coating as well as preparation method, use method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] (1), preparation of modified glass beads:

[0045] a. prepare 2% SDBS solution;

[0046] b. adding glass beads with a particle diameter of 0.5 mm into the SDBS solution obtained in step (1), stirring magnetically for 60 minutes at a constant temperature of 50° C., taking out the glass beads, and standing for 30 minutes at room temperature, the obtained glass beads were placed Dry in a vacuum box to obtain glass beads coated with SDBS film.

[0047] (2) Preparation of environment-friendly two-component marking paint:

[0048] a. Component A: Weigh 50g 655 resin, 0.2g rheological agent-2, 0.3g dispersant, 0.13g rheological agent-1 according to the formula, stir at 300-500r / min for 5min until evenly mixed, then add 47.6 g titanium dioxide and 54.3g calcium carbonate, keep the speed constant, add the pigments and fillers to the resin while stirring, and stir at a speed of 400-500r / min for 10 minutes until uniform.

[0049] b. Component B: Weigh 50g of 659 resin, 0.2g of ...

Embodiment 2

[0055] (1), preparation of modified glass beads:

[0056] a. prepare 2% SDBS solution;

[0057] b. adding glass beads with a particle diameter of 0.65 mm into the SDBS solution obtained in step (1), stirring magnetically for 60 minutes at a constant temperature of 50° C., taking out the glass beads, and leaving them to stand at room temperature for 30 minutes. Dry in a vacuum box to obtain glass beads coated with SDBS film.

[0058] (2) Preparation of environment-friendly two-component marking paint:

[0059] a. Component A: Weigh 50g 655 resin, 0.2g rheological agent-2, 0.3g dispersant, 0.13g rheological agent-1 according to the formula, stir at 300-500r / min for 5min until evenly mixed, then add 47.6 g titanium dioxide and 54.3g calcium carbonate, keep the speed constant, add the pigments and fillers to the resin while stirring, and stir at a speed of 400-500r / min for 10 until uniform.

[0060] b. Component B: Weigh 50g of 659 resin, 0.2g of rheological agent-2, 0.3g of di...

Embodiment 3

[0066] (1), preparation of modified glass beads:

[0067] a. prepare 2% SDBS solution;

[0068] b. adding glass beads with a particle diameter of 0.7 mm into the SDBS solution obtained in step (1), stirring magnetically for 60 minutes at a constant temperature of 50° C., taking out the glass beads, and leaving them to stand at room temperature for 30 minutes. Dry in a vacuum box to obtain glass beads coated with SDBS film.

[0069] (2) Preparation of environment-friendly two-component marking paint:

[0070] a. Component A: Weigh 50g 655 resin, 0.2g rheological agent-2, 0.3g dispersant, 0.13g rheological agent-1 according to the formula, stir at 300-500r / min for 5min until evenly mixed, then add 47.6 g titanium dioxide and 54.3g calcium carbonate, keep the speed constant, add the pigments and fillers to the resin while stirring, and stir at a speed of 400-500r / min for 10 until uniform.

[0071] b. Component B: Weigh 50g of 659 resin, 0.2g of rheological agent-2, 0.3g of dis...

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Abstract

The invention discloses an environment-friendly double-component marking coating as well as a preparation method, a use method and application thereof. The coating consists of a component A, a component B and glass beads, wherein the component A comprises the following components in parts by mass: 50 to 55 parts of 655 resin, 45 to 50 parts of rutile type titanium dioxide, 50-60 parts of calcium carbonate, 0.1 to 0.2 part of a rheological agent 2; 0.2 to 0.4 part of a dispersing agent, and 0.1 to 0.2 part of a rheological agent 1; the component B comprises the following components in parts by mass: 50 to 55 parts of 659 resin, 45 to 50 parts of rutile type titanium dioxide, 50 to 60 parts of calcium carbonate, 0.1 to 0.2 part of a rheological agent 2, 0.2 to 0.4 part of a dispersant, 0.1 to 0.3 part of a rheological agent and a curing agent; wherein the mass ratio of A to B is 1:1, and the glass beads account for 18-25% of the sum of the mass of A and B; the part number of the rheological agent 1 in A is smaller than that in B; the addition amount of the curing agent is 1.5-2.0% of the mass sum of the resin in the component A and the component B; the rheological agent 1 is fumed silica with the specific surface area of (200 + / - 25) m2 / g, and the rheological agent 2 is a low-molecular-weight polymer solution containing urea / carbamate functional groups.

Description

technical field [0001] The invention belongs to the technical field of traffic marking paint, and in particular relates to an environment-friendly two-component marking paint and its preparation method, use method and application. Background technique [0002] With the continuous deepening of national policies and regulations such as low-carbon energy saving, ecological environmental protection and high-quality development, there is a significant demand for the development of new road marking paints with excellent performance and environmental protection. For road marking paint, it can not only guide vehicles to drive in a standardized manner and ensure driving safety, but more importantly, the two-component marking paint is reactive, and VOC will not be released during the construction and curing process. The purpose of reducing environmental pollution and protecting human health. [0003] Most of the road marking paints commonly used in the prior art are hot-melt road mar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D5/33C09D7/62C09D7/61
CPCC09D175/04C09D5/004C09D7/62C09D7/61C09D7/70C08K2003/2241C08K2003/265C08K9/04C08K7/20C08K3/22C08K3/26
Inventor 韩秀秀夏文丽仲小亮宋莹莹黄天
Owner SHANGHAI RES INST OF BUILDING SCI CO LTD
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