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A substrate coating with degradation function

A technology for substrates and coatings, applied in coatings, powder coatings, polyester coatings, etc., can solve problems such as non-self-degrading function, pollution, environmental pollution, etc.

Active Publication Date: 2016-03-02
TIGER DRYLAC TAICANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current commercialized thermosetting powder coatings do not have the function of self-degradation, so they will pollute the environment, especially for products with short service life and high replacement frequency (such as fast-moving consumables), the pollution is more serious ;Furthermore, during the normal use of these products, it is more necessary to ensure that the products will not be degraded. Therefore, if you want to avoid the pollution of the powder coating coating to the environment, you need to obtain a product that will not automatically degrade during the service cycle, but reach the end of use. After the cycle, the product can be automatically degraded when certain environmental conditions are met

Method used

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  • A substrate coating with degradation function
  • A substrate coating with degradation function
  • A substrate coating with degradation function

Examples

Experimental program
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Effect test

Embodiment 1

[0033] A substrate coating with a degradation function, which is obtained after spraying and curing a thermosetting powder coating on the substrate. Preferably, the substrate is prepared from metal, wood or glass materials. Specifically, in this embodiment , the substrate is made of aluminum metal material;

[0034] Wherein, thermosetting powder coating comprises the raw material of following parts by weight:

[0035] 35 parts of thermosetting resin, specifically, in this embodiment, the thermosetting resin adopts polyester resin;

[0036] 5 parts of curing agent, specifically, in this embodiment, the curing agent is triglycidyl isocyanurate;

[0037] 20 parts of degrading agent, wherein, specifically preferably, in this embodiment, the degrading agent is polylactic acid resin, specifically, the production process of polylactic acid resin can be prepared by any common knowledge preparation method, and more specifically, In this embodiment, the preparation method can use star...

Embodiment 2

[0055] In present embodiment 2. thermosetting powder coating comprises the raw material of following parts by weight:

[0056]

[0057] 5 parts by weight of the polymer, specifically, in this embodiment, the polymer has a carboxyl functional group that is cross-linked with the polylactic acid resin, and is used to improve the mechanical properties of the coating;

[0058] The polyether-modified silicone resin of 5 parts by weight;

[0059] 5 parts by weight of the water-absorbing agent, the water-absorbing agent is a polymer containing a hydrophilic group, and the hydrophilic group is a carboxyl group;

[0060] The remaining technical solutions of this embodiment 2 are the same as those of the above-mentioned embodiment 1.

Embodiment 3

[0062] In this embodiment 3, thermosetting powder coating comprises the raw material of following parts by weight:

[0063]

[0064] 5 parts by weight of the polymer, specifically, in this embodiment, the polymer has a carboxyl functional group that is cross-linked with the polylactic acid resin, and is used to improve the mechanical properties of the coating;

[0065] The polyether-modified silicone resin of 20 parts by weight;

[0066] 5 parts by weight of the water-absorbing agent, the water-absorbing agent is a polymer containing a hydrophilic group, and the hydrophilic group is an ester bond;

[0067] The degassing agent of 0.5 parts by weight;

[0068] The defoamer of 0.5 parts by weight;

[0069] The rest of the technical solutions of this embodiment 3 are the same as those of the above-mentioned embodiment 1.

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Abstract

The invention discloses a base material coating with a degrading function. The base material coating is obtained by using a thermoset powder dope to perform spraying and curing treatments on the base material, wherein the thermoset powder dope comprises the following materials in parts by weight: 25-55 parts of thermoset resin, 4-20 parts of a curing agent, 15-50 parts of a degrading agent, 0.1-5 parts of a flatting agent and 5-20 parts of color filler. Under the premise of meeting the basic performance of the coating, the base material coating provided by the invention also effectively achieves good degrading function of the base material coating and avoids environmental pollution.

Description

technical field [0001] The invention relates to a substrate coating, in particular to a substrate coating with degradation function. Background technique [0002] Thermosetting powder coatings are widely used in various fields due to their advantages of no organic solvent, good environmental protection, high utilization rate, and convenient storage and transportation. Consumers hope that the coating of products coated with thermosetting powder coatings can be automatically degraded after the service period is met, so as to avoid pollution to the environment and improve environmental protection performance. However, the current commercialized thermosetting powder coatings do not have the function of self-degradation, so they will pollute the environment, especially for products with short service life and high replacement frequency (such as fast-moving consumables), the pollution is more serious ;Furthermore, during the normal use of these products, it is more necessary to e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D167/00C09D163/00C09D183/04C09D167/04C09D201/06C09D201/08C09D201/02C09D7/12C09D5/03
Inventor 刘际平冯晓云
Owner TIGER DRYLAC TAICANG
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