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Semi-interpenetrating polymer cement-based flexible facing brick and manufacturing method thereof

A semi-interpenetrating network and polymer technology, applied in the field of semi-interpenetrating network polymer cement-based flexible facing bricks and their preparation, can solve the problems of low elongation at break, insufficient flexibility, poor tear resistance, etc. Good flammability, excellent softness, excellent water and oil repellency

Active Publication Date: 2017-02-08
万卓(武汉)新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the low glass transition temperature of pure acrylic emulsion, the prepared soft porcelain facing tiles have shortcomings such as insufficient strength and scratch resistance; Facing bricks can meet the strength requirements at a certain temperature, but there are also shortcomings such as insufficient flexibility, poor tear resistance and low elongation at break.

Method used

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  • Semi-interpenetrating polymer cement-based flexible facing brick and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A kind of semi-interpenetrating network polymer cement-based flexible decorative brick, its preparation method comprises the steps:

[0037] 1) Weigh 25 parts of Portland white cement labeled 325#, 15 parts of 80-mesh stone powder and 50 parts of 300-mesh quartz sand in parts by weight, add them to a kneader, mix evenly, and obtain a mixed powder;

[0038] 2) Weigh 10 parts by weight of water-based epoxy resin emulsion (viscosity at 25°C is 500mPa.s, epoxy equivalent is 200g / mol), 2 parts of fluorine-containing polyacrylate elastic emulsion, 10 parts of flame retardant tripolyphosphoric acid 1 part, 1 part of inorganic pigment titanium dioxide and 10 parts of water are added to the stirring tank, and stirred evenly to obtain a mixed emulsion;

[0039] 3) Add the mixed powder obtained in step 2) to the mixed emulsion obtained in step 1), stir well, and after mixing evenly, add 1 part of polyethersulfone (PES), stir, react for 0.5 hours, and then add solidification 10 pa...

Embodiment 2

[0042] A kind of semi-interpenetrating network polymer cement-based flexible decorative brick, its preparation method comprises the steps:

[0043] 1) Weigh 20 parts of Portland white cement labeled 425#, 20 parts of 100-mesh stone powder and 40 parts of 150-mesh quartz sand, add them to a kneader, mix evenly, and obtain a mixed powder;

[0044] 2) Weigh 15 parts of water-based epoxy resin emulsion (viscosity at 25°C is 6,000mPa.s, epoxy equivalent is 1,400g / mol), 5 parts of fluorine-containing polyacrylate elastic emulsion, 3 parts of flame retardant melamine, poly Add 5 parts of ammonium phosphate, 2 parts of inorganic pigment carbon black and 15 parts of water into a stirring tank, and stir evenly to obtain a mixed emulsion;

[0045] 3) Add the mixed powder obtained in step 2) to the mixed emulsion obtained in step 1), stir well, and after mixing evenly, add 2 parts of polysulfone (PSF), stir, react for 1 hour, and then add curing agent 3 parts of polyamide (viscosity at 2...

Embodiment 3

[0048] A kind of semi-interpenetrating network polymer cement-based flexible decorative brick, its preparation method comprises the steps:

[0049] 1) Weigh 15 parts of Portland white cement labeled 525#, 25 parts of 300-mesh stone powder and 30 parts of 80-mesh quartz sand, add them to a kneader, mix evenly, and obtain a mixed powder;

[0050] 2) Weigh 20 parts of water-based epoxy resin emulsion (viscosity at 25°C is 2,000mPa.s, epoxy equivalent is 800g / mol), 2 parts of fluorine-containing polyacrylate elastic emulsion, and 5 parts of flame retardant melamine ammonium polyphosphate , 7 parts of ammonium polyphosphate, 1 part of inorganic pigment carbon black, 1 part of cadmium red and 10 parts of water are added to the stirring tank and stirred evenly to obtain a mixed emulsion;

[0051] 3) Add the mixed powder obtained in step 2) to the mixed emulsion obtained in step 1), stir well, and after mixing evenly, add 2 parts of polyether ketone (PEK), stir, react for 1 hour, and ...

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Abstract

The invention discloses a semi-interpenetrating polymer cement-based flexible facing brick, which comprises the following components, by weight part, 10-25 parts of a waterborne epoxy resin emulsion, 3-10 parts of a water-soluble epoxy resin curing agent, 1-5 parts of rubber elastomer, 1-5 parts of a fluorine-containing polyacrylate elastic emulsion, 15-25 parts of cement, 15-25 parts of stone flour, 30-50 parts of quartz sand, 5-15 parts of a fire retardant, 1-3 parts of inorganic pigment and 10-25 parts of water. A manufacturing method of the facing brick comprises: adding the components by weight part to a stirring vessel, performing full stirring to make a thick liquid, injecting the thick liquid to a die, and performing solidification and drying to obtain the facing brick. The manufacturing method is simple, and the obtained flexible facing brick is excellent in mildew resistance, water resistance, seepage resistance, wear resistance, thermal resistance and flexibility, is high in strength, and can be widely applied to building decoration materials.

Description

technical field [0001] The invention belongs to the field of building decoration materials, in particular to a semi-interpenetrating network polymer cement-based flexible decorative brick and a preparation method thereof. Background technique [0002] Flexible facing brick is a kind of planar material obtained by processing water-based polymer emulsion and cement as binder, and using soil, quartz sand or mineral powder as inorganic filler. Soft porcelain has the advantages of light weight, thin body, good flexibility, rich and colorful appearance, strong expressive force, etc., and it is fast in construction, low in cost, and not easy to fall off. It is suitable for decoration materials for interior and exterior walls of buildings. It is a new type of Energy saving and environmental protection ecological decoration materials. [0003] Water-based polymer emulsion combined with cement as the binder of soft porcelain endows soft porcelain products with unique waterproofness, ...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B24/28C04B24/26C04B111/20C04B111/28
CPCC04B24/2641C04B24/28C04B24/281C04B28/04C04B2111/00293C04B2111/20C04B2111/28C04B2201/50C04B14/02C04B14/06C04B22/165C04B14/305C04B22/002C04B24/305C04B22/16C04B14/022C04B14/36
Inventor 徐琪赵三平王臻
Owner 万卓(武汉)新材料有限公司
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