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Organosilicon modified carbonyl epoxy composite material

A composite material, carbonyl epoxy technology, applied in the field of organosilicon modified carbonyl epoxy composite materials, can solve the problems of poor flow performance, affecting mechanical properties and uniform stability performance, poor surface performance water resistance and weather resistance, etc. Good performance and permeability, uniform and stable mechanical properties, high compressive strength

Inactive Publication Date: 2009-04-15
GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Part of the furfurylidene acetone in component A will be volatilized and lost during the preparation process. At the same time, due to the unneutralized alkali contained in component A, it will thicken and agglomerate or even harden during storage, so it cannot be stored for a long time
In addition, when components A and B are mixed, the initial viscosity of the rubber is relatively high, which is not conducive to the incorporation of inorganic fillers, and a large amount of fillers cannot be mixed. At the same time, the fluidity of the fillers is poor, and air bubbles are likely to occur, which affects its mechanical properties and Uniform and stable performance
In addition, when the rubber is used as a surface coating such as a floor coating, it has a high affinity for water and is easily polluted by oil, etc., and its surface properties such as hydrophobicity, water resistance and weather resistance are poor.

Method used

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  • Organosilicon modified carbonyl epoxy composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017]Add 40g of E-44 bisphenol A type epoxy resin into the reactor, add 10g of silicone methyl hydrogen-containing silicone oil and 0.3g of di-n-butyltin dilaurate, heat up to 100-120°C under stirring, and react for 5 hours , placed and cooled to obtain 50g of silicone chemically modified epoxy resin, and then mixed with 40g of benzaldehyde and 10g of silane coupling agent γ-epoxypropyltriethoxysilane to obtain component A. Mix 100 g of diethylenetriamine, 150 g of acetone, and 10 g of tetrabutylammonium hydroxide and leave it at room temperature for 2 hours to obtain component B. 100 g of component A and 30 g of component B were evenly mixed to obtain 130 g of the silicone-modified carbonyl epoxy composite material of the present invention as an organic mixed glue.

Embodiment 2

[0019] Take 100 g of the organic mixed glue in Example 1, add 50 g of cement and 450 g of river sand, mix and stir evenly, and obtain 600 g of organosilicon-modified carbonyl epoxy composite material.

Embodiment 3

[0021] First add 50g of polyurethane prepolymer and 100g of glycerin epoxy resin B-63 (epoxy value 0.55-0.71mol / 100g) into the reactor, heat up to 130-140°C under stirring, keep warm for 2 hours, and cool to prepare Polyurethane modified epoxy resin. Then take 50g of polyurethane-modified epoxy resin, 40g of furfural, and 10g of aminoalkyl silicone oil and mix them uniformly at room temperature to obtain component A. Separately take 100 g of triethylenetetramine, 150 g of diacetone alcohol and 5 g of tetramethylammonium hydroxide, mix them uniformly, and place them at room temperature for 2 hours to obtain component B. Mix 30g of component B with 100g of component A, take out 100g, add 90g of cement and 210g of river sand and stir evenly to obtain 400g of silicone-modified carbonyl epoxy composite material.

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Abstract

The present invention relates to one kind of organosilicon modified carbonyl epoxy composite material. Organosilicon with relatively low surface tension, high hydrophobicity, excellent contamination resistance and high weather resistance is used in modifying epoxy resin. The composite material may also contains certain amount of aldehyde, polybasic amine, ketone, tertiary amino compound and / or quaternary ammonium base as well as inorganic stuffing, such as cement, sand, etc. The organosilicon modified carbonyl epoxy composite material may have relatively stuffing adding amount, good flowability, low cost, good mechanical performance, high strength and other advantages, and may be used as paint and cementing material.

Description

technical field [0001] The invention relates to an organosilicon modified carbonyl epoxy composite material, in particular to an organosilicon modified carbonyl epoxy composite material which can be used as a hydrophobic, anti-corrosion and weather-resistant coating and a waterproof reinforcing seam bonding material. Background technique [0002] Furfurylidene acetone epoxy grouting material is a commonly used chemical grouting material. It has the remarkable characteristics of high strength of consolidated body and strong adhesion. Good, so it has been widely used in waterproof reinforcement and consolidation of cracks in hydropower dams, underground projects, ports and buildings, anti-seepage treatment of mines, oil fields, tunnels, and cultural relics protection. Furfurylidene acetone epoxy slurry is formed by condensation of furfural acetone under the action of an alkaline catalyst to form monofurfurylidene acetone or bisfurylidene acetone resin and then mixed with epoxy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L63/02C08K5/54
Inventor 黄月文刘伟区罗广建寇勇
Owner GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI
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