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Two-component sealant sewing agent and method for preparing same

A technology of sealant and beautifying agent, applied in the field of sealant, can solve the problems of unreliable sealing of corner gaps, low compressive shear strength, easy to fall off, etc., and achieve the effect of improving the curing performance at room temperature and improving the toughness.

Active Publication Date: 2019-03-19
HUNAN KOSEN NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the beautifying agent in the prior art has the problem that the sealing of the corner gap is not reliable and it is easy to fall off.
In addition, the compressive shear strength of the beautifying agent products of the prior art is on the low side

Method used

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  • Two-component sealant sewing agent and method for preparing same
  • Two-component sealant sewing agent and method for preparing same
  • Two-component sealant sewing agent and method for preparing same

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0075] 2.2 parts by weight of polyhexamethylene biguanide hydrochloride with a viscosity average molecular weight of 800 (Shanghai Shande Industrial Co., Ltd., PHMB) was dissolved in 5.8 parts by weight of tetrahydrofuran at 40° C. to obtain a guanidine salt solution. 2.5 parts by weight of γ-glycidoxypropyltrimethoxysilane was dissolved in 3 parts by weight of tetrahydrofuran to obtain a silane solution. Add the two solutions into the reactor for mixing, then heat the mixture to 76°C, and stir for 3 hours; after the reaction, remove the solvent in the reaction mixture under reduced pressure to obtain liquid The silane coupling agent product has a viscosity (25°C, cps) of 1665.

Embodiment 1

[0077] A preparation method of a two-component sealant beautifying agent, the method comprising the following steps:

[0078] 1) Preparation of component A

[0079] 50g E-51 epoxy resin, 5g E-44 epoxy resin, 15g 133L epoxy resin, 6g benzyl glycidyl ether, 0.08g BYK-088, 2gγ-aminopropyltriethoxysilane (KH-550 ), 0.5g UV-531, 0.05g purple-blue phase toner, and 0.2g antioxidant 1010 were mixed uniformly under the condition of rising temperature, and 7g hydrogenated castor oil was added, stirred and mixed uniformly to obtain component A;

[0080] 2) Preparation of component B

[0081] Add 3g of 2,4,6-tris(dimethylaminomethyl)phenol to 65g of alicyclic amine modified curing agent and 12g of polyether amine modified curing agent, stir and mix evenly, then add 7g of hydrogenated castor oil, 5g of titanium White powder and 8g of γ-aminopropyltriethoxysilane (KH-550), stirred and mixed evenly to obtain component B;

[0082] 3) Preparation of two-component sealant beauty joint agent ...

Embodiment 2

[0087] A preparation method of a two-component sealant beautifying agent, the method comprising the following steps:

[0088] 1) Preparation of component A

[0089] 65g E-51 epoxy resin, 4g E-44 epoxy resin, 16g 133L epoxy resin, 7g butyl glycidyl ether, 0.1g BYK-088, 1.5g coupling agent KH-560, 0.8g UV-531 , 0.08g purple-blue phase toner, 0.3g antioxidant 1076, stir and mix at 70°C, add 7g of fumed silica (Cabot TS720), stir and mix evenly, and the stirring time is 45min to obtain component A;

[0090] 2) Preparation of component B

[0091] In 62g alicyclic amine modified curing agent and 16g polyether amine modified curing agent, add three-(2-ethylhexanoic acid) salt of 4g 2,4,6-three (dimethylaminomethyl) phenol and stir Mix evenly, then add 7g fumed silica (Cabot TS720), 5g pearl powder and 8g coupling agent KH-560, stir and mix evenly for 50min to obtain component B;

[0092] 3) Preparation of two-component sealant beauty joint agent

[0093] Store component A and compo...

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Abstract

The invention discloses a two-component sealant sewing agent. The two-component sealant sewing agent comprises a component A and a component B. The component A comprises, by weight, 30-100 parts of E-51 epoxy resin, 0.1-20 parts of E-44 epoxy resin, 1-50 parts of 133L epoxy resin, 1-20 parts of reactive diluents, 1-15 parts of thixotropic agents, 0.01-1 part of defoaming agents, 0-10 parts of coupling agents, 0.05-3 parts of ultraviolet absorbents, 0.001-1 part of purple blue-phase toner and 0.05-1 part of antioxidants; the component B comprises, by weight, 50-100 parts of curing agents, 0.1-20 parts of accelerators, 1-15 parts of thixotropic agents, 1-15 parts of body pigment and 3-20 parts of coupling agents. The two-component sealant sewing agent has the advantages that the prepared two-component sealant sewing agent is free of water absorption, blackening and mildew, is easy to clean and high in strength and brightness and is scrub-resistant, and oil pollution can be prevented by the two-component sealant sewing agent; the toughness of materials can be greatly enhanced, and the two-component sealant sewing agent is an environment-friendly edge sealing material with enhanced adhesive effects and the enhanced adhesive performance.

Description

technical field [0001] The invention relates to a beautifying agent and a preparation method thereof, in particular to a beautifying agent with strong adhesive force and a preparation method thereof, belonging to the field of sealants. 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, w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J163/00C09J11/04C09J11/06C08G59/50
CPCC08G59/5026C08G59/504C08L2205/025C08L2205/035C09J11/04C09J11/06C09J163/00C08L63/00C08K13/02C08K3/22C08K5/544C08K3/36C08K5/5435C08K3/346
Inventor 郑保昌石亮钟雪琴王军
Owner HUNAN KOSEN NEW MATERIAL
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