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Multi-component sealant and preparation method thereof

A kind of beautifying agent and multi-component technology, applied in the field of sealants, can solve the problems of not being resistant to water scrubbing, easy yellowing after a long time, and short duration of brightness

Active Publication Date: 2017-05-31
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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  • Multi-component sealant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0089] Preparation of modified curing agent I (a): 30 parts by weight of 1,3-diglycidyl ester-5,5-dimethyl polymer was added dropwise to 23 parts by weight of isophoronediamine ( In the molecular weight of 170), the reaction temperature is controlled at 50°C, and the reaction is performed for 2 hours to obtain the modified curing agent I(a).

preparation example 2

[0091] Preparation of modified curing agent I (b): Add 30 parts by weight of 1,3-diglycidyl ester-5,5-dimethyl polymer dropwise to 23 parts by weight of diaminomethylcyclohexane within 1.5h , control the reaction temperature to 50°C, and react for 2 hours to obtain the modified curing agent I(b).

preparation example 3

[0093] Preparation of modified curing agent I (c): 13 parts by weight of isophorone diamine and 10 parts by weight of diaminomethylcyclohexane are mixed uniformly to form a mixture, and 30 parts by weight of 1,3-bis Glycidyl ester-5,5-dimethyl polymer was added dropwise to the mixture within 1.5 hours, the reaction temperature was controlled at 50° C., and the reaction was carried out for 2 hours to obtain the modified curing agent I(c).

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Abstract

A multi-component sealant comprises a component A, a component B, a component C and a component D, wherein the component A comprises the following raw materials in parts by weight: 60-100 parts of epoxy resin; 1-10 parts of an active diluent; 0.01-1 part of a defoaming agent; 0-10 parts of a coupling agent; 0.05-3 parts of an ultraviolet absorbent; 0.01-1 part of a purple blue phase toner; and 0.05-1 part of an antioxidant; the component B comprises the following raw materials in parts by weight:70-100 parts of a modified curing agent; 0.1-10 parts of an accelerant; and 0-10 parts of a coupling agent; the component C comprises the following raw materials in parts by weight: 130-220 parts of quartz sand; the component D comprises the following raw materials in parts by weight: 10-40 parts of extender pigment. The environmentally-friendly sealant does not absorb water, is resistant to oil and water, easy to clean, resistant to scrubbing and yellowing, high in strength and brightness and free of blackening and mildewing, and meanwhile the brightness lasting time is greatly prolonged.

Description

technical field [0001] The invention relates to the field of sealants, in particular to a multi-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, but 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] This problem ...

Claims

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Application Information

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IPC IPC(8): C09J163/00C09J11/04C09J11/06C09J11/08
CPCC08L2205/025C08L2205/03C09J11/04C09J11/06C09J11/08C09J163/00C08L71/00C08K13/02C08K3/36C08K2003/2241
Inventor 石亮郑保昌何双林
Owner HUNAN KOSEN NEW MATERIAL
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