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Two-component decoration sealant and preparation method thereof

A joint-beautifying agent, a two-component technology, applied in the field of caulking agent, can solve problems such as short duration of brightness, easy yellowing after a long time, and not resistant to water scrubbing, etc.

Inactive Publication Date: 2017-05-10
HUNAN KOSEN NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the beautifying agents currently on the market have problems such as short brightness duration, easy yellowing after a long time, and not resistant to water scrubbing.

Method used

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  • Two-component decoration sealant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0081] Preparation of Modified Curing Agent I: Isophorone Diamine (IPDA)

[0082] Add 30 parts by weight of E-51 epoxy resin (epoxy equivalent: 185-190g / eq) dropwise to 23 parts by weight of isophoronediamine (molecular weight: 170) within 1.5h, and control the reaction temperature to 50°C , and reacted for 2h to obtain the modified curing agent I.

preparation example 2

[0084] Preparation of Modified Curing Agent II:

[0085] Add 35 parts by weight of E-51 epoxy resin to 18 parts by weight of diaminomethylcyclohexane (molecular weight: 142) dropwise within 1.5 hours, control the reaction temperature to 50°C, and react for 2 hours to obtain modified curing agent II.

preparation example 3

[0087] Preparation of modified curing agent III:

[0088] Add 23 parts by weight of 30 parts of epoxy resin dropwise to isophorone diamine within 1.5 hours, control the reaction temperature to 50° C., react for 2 hours, and mix the mixture. Then add 1.5 parts by weight of benzyl alcohol into the mixture and stir to obtain the modified curing agent III.

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PUM

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Abstract

The invention discloses a two-component decoration sealant. The two-component decoration sealant comprises a component A and a component B, wherein the component A is prepared from the following components in parts by weight: 60-100 parts of epoxy resin, 3-20 parts of active diluents, 4-15 parts of thixotropic agents, 0.01-1 part of defoaming agents, 0-10 parts of coupling agents, 0.05-3 parts of ultraviolet absorbers, 0.01-1 part of purplish blue phase toners and 0.05-1 part of antioxidants; the component B is prepared from the following components in parts by weight: 60-100 parts of modified curing agents, 0.1-20 parts of accelerants, 1-15 parts of thixotropic agents, 1-15 parts of extender pigments and 0-10 parts of coupling agents. The two-component decoration sealant does not absorb water, and has oil dirt resistance, washability, scrubbing resistance, high strength, high brightness, blackening resistance and mildew resistance; meanwhile, the brightness lasting time is greatly prolonged; the two-component decoration sealant has yellowing resistance and water scrubbing resistance and is an environment-friendly decoration sealant.

Description

technical field [0001] The invention relates to the field of caulking agents, in particular to a two-component beautifying agent and a preparation method thereof. Background technique [0002] Today ceramic tiles, mosaics and other materials have become common materials in the field of architectural decoration, and there are usually gaps between blocks and corners when laying. Traditionally, white cement and other caulking agents are used for filling. However, there are problems such as easy to change from white to black, unhygienic, and unsightly. In addition, after a period of time (for example, 1 year) after construction, microcracks and micropores are likely to form in the joints. Mold is easy to breed in the gaps, microcracks and micropores. Not only the breeding of Aspergillus niger, Aspergillus flavus and other molds will make the joints turn yellow and black, but also produce peculiar smell, which seriously endangers human health, especially in summer. [0003] Th...

Claims

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Application Information

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IPC IPC(8): C09J163/00C09J11/04C09J11/06
CPCC09J163/00C08L2205/025C09J11/04C09J11/06C08L63/00C08K13/02C08K2003/2241C08K5/544C08K5/5435
Inventor 石亮郑保昌何双林
Owner HUNAN KOSEN NEW MATERIAL
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