Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A crack-resistant and heat-preserving recycled aggregate mortar and its preparation method

A technology of recycled aggregate and recycled fine aggregate, which is applied in the field of recycled aggregate mortar, can solve the problems of increasing the cost of mortar preparation, and achieve the effects of being conducive to environmental protection, reducing thermal conductivity, and good hydrophobicity

Active Publication Date: 2020-03-31
绍兴职业技术学院
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The plastering mortar of the present invention has good workability, high bonding strength, and good thermal performance, and is more suitable for building exterior wall insulation systems from the perspectives of durability, fire resistance, and environmental protection, but it uses a large amount of vitrified Microbeads are used as insulation material, which greatly increases the preparation cost of mortar

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A crack-resistant and heat-preserving recycled aggregate mortar, in parts by weight, comprises the following components:

[0032] 15 parts of cement, 2 parts of fly ash, 8 parts of rubber powder,

[0033] 3 parts of bamboo fiber, 8 parts of heavy calcium carbonate, 30 parts of recycled fine aggregate,

[0034] 2 parts of redispersible latex powder, 0.01 part of silicone resin solution,

[0035] 0.1 part of water retaining agent, 0.1 part of antifreeze, 0.1 part of pigment;

[0036] Its preparation method comprises the following steps:

[0037] (1) Prepare a solvent by mixing absolute ethanol and deionized water, add dropwise a mixture of hexamethyldisiloxane and triethoxyethylsilane to the solvent under a nitrogen atmosphere, after the dropwise addition, stir and mix evenly, Prepare the reaction system, adjust the pH of the reaction system to 2-3 with hydrochloric acid, react at 30-50°C for 1h, then slowly raise the temperature to 65-75°C, react for 3h, cool to room ...

Embodiment 2

[0043] A crack-resistant and heat-preserving recycled aggregate mortar, in parts by weight, comprises the following components:

[0044] 22 parts of cement, 3 parts of fly ash, 10 parts of rubber powder,

[0045] 5 parts of bamboo fiber, 16 parts of heavy calcium carbonate, 50 parts of recycled fine aggregate,

[0046] 3 parts of redispersible latex powder, 0.04 part of silicone resin solution,

[0047] 0.2 parts of water-retaining agent, 0.5 parts of antifreeze, 5 parts of pigment;

[0048] Its preparation method comprises the following steps:

[0049](1) Prepare a solvent by mixing absolute ethanol and deionized water, add dropwise a mixture of hexamethyldisiloxane and triethoxyethylsilane to the solvent under a nitrogen atmosphere, after the dropwise addition, stir and mix evenly, Prepare the reaction system, adjust the pH of the reaction system to 2-3 with hydrochloric acid, react at 30-50°C for 1h, then slowly raise the temperature to 65-75°C, react for 3h, cool to roo...

Embodiment 3

[0055] A crack-resistant and heat-preserving recycled aggregate mortar, in parts by weight, comprises the following components:

[0056] 17 parts of cement, 2.2 parts of fly ash, 8.5 parts of rubber powder,

[0057] 3.5 parts of bamboo fiber, 10 parts of heavy calcium carbonate, 35 parts of recycled fine aggregate,

[0058] 2.2 parts of redispersible latex powder, 0.02 parts of silicone resin solution,

[0059] 0.13 parts of water retaining agent, 0.2 parts of antifreeze, 1 part of pigment;

[0060] Its preparation method comprises the following steps:

[0061] (1) Prepare a solvent by mixing absolute ethanol and deionized water, add dropwise a mixture of hexamethyldisiloxane and triethoxyethylsilane to the solvent under a nitrogen atmosphere, after the dropwise addition, stir and mix evenly, Prepare the reaction system, adjust the pH of the reaction system to 2-3 with hydrochloric acid, react at 30-50°C for 1h, then slowly raise the temperature to 65-75°C, react for 3h, co...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle diameteraaaaaaaaaa
lengthaaaaaaaaaa
Login to View More

Abstract

The invention provides a crack-resistant and heat-retaining recycled aggregate mortar, the components and weight parts of which are: 15-22 parts of cement, 2-3 parts of fly ash, 8-10 parts of rubber powder, 3-5 parts of bamboo fiber, 8-16 parts of heavy calcium carbonate, 30-50 parts of recycled fine aggregate, 2-3 parts of redispersible latex powder, 0.01-0.04 parts of silicone resin solution, 0.1-0.2 parts of water-retaining agent, 0.1-0.5 parts of antifreeze parts, 0.1 to 5 parts of pigments. The invention also discloses a preparation method of the mortar. The recycled aggregate mortar provided by the invention has good crack resistance and heat preservation performance, and the preparation cost is low.

Description

Technical field: [0001] The invention relates to a recycled aggregate mortar, in particular to a crack-resistant and heat-preserving recycled aggregate mortar. Background technique: [0002] At present, the treatment methods for most construction wastes are generally simple landfill or direct open-air stacking, which has caused serious damage to the ecological environment, and the recycling of construction waste is becoming increasingly urgent. Compared with traditional mortar, dry powder mortar has better stability and better performance, which can effectively improve the quality of construction projects and reduce environmental pollution. However, the cost of dry mix mortar is still high at present, how to reduce the cost of dry mix mortar is an inevitable trend of sustainable development. The use of construction waste to produce recycled aggregates and the use of recycled aggregates to produce dry-mix mortar can effectively utilize construction waste and reduce the cost ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B18/22C04B24/42C04B16/02C04B111/34
CPCY02W30/91
Inventor 金奇亮汤薇孙秋砚唐静孔爱散
Owner 绍兴职业技术学院
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com