Check patentability & draft patents in minutes with Patsnap Eureka AI!

Self-repairing constructional sealing flexible caulking agent and preparation method thereof

A caulking and self-healing technology, applied in the field of building materials, can solve the problems of easy aging, poor crack durability, and high brittleness of concrete slurry, and achieve the effects of improving mechanical properties, good sliding properties, and overcoming aging.

Inactive Publication Date: 2018-12-14
CHENDU NEW KELI CHEM SCI CO LTD
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of the currently commonly used caulking agents, polymer caulking agents such as glue bitumen and epoxy resin are easy to age, while concrete slurry has the defects of high brittleness, poor caulking strength and easy cracking. The present invention proposes a self-repairing building Sealing flexible caulking agent and preparation method, thereby improving the mechanical properties of the caulking agent, effectively preventing the defects of aging and cracking durability of the existing flexible caulking agent

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] (1) Mix rubber, siliceous matter, expanded minerals, calcium source, and anti-aging agent and then knead them, then grind them into fine particles at -112°C, so that siliceous matter, expanded minerals, and calcium source can firmly adhere to the rubber particles The rubber is nitrile rubber; the siliceous substance is silica fume; the calcium source is calcium oxide and calcium hydroxide; the anti-aging agent is amine; the expansion mineral is aluminosilicate, aluminum oxide and calcium sulfate. It is compounded with a mass ratio of 1:0.7:0.7; in the composite rubber particles, the mass ratio of rubber, silicon, expanded minerals, calcium source, and anti-aging agent is 100:23:25:17:3;

[0032] (2) Mix the composite rubber particles with the composite crystallization agent, floating beads, fibers, fillers, and swelling agents, and homogenize them at 44°C to form a paste to obtain a self-repairing building sealing flexible caulking agent; the composite crystallization ag...

Embodiment 2

[0040] (1) Mix rubber, siliceous matter, expanded minerals, calcium source, and anti-aging agent and knead them, then grind them into fine particles at -100°C, so that siliceous matter, expanded minerals, and calcium source are firmly adhered to the rubber particles On the above, composite rubber particles are obtained; the rubber is isoprene rubber; the siliceous substance is silica fume; the calcium source is calcium hydroxide; the anti-aging agent is ketamine; 1:0.5:0.6 compound; in the composite rubber particles, the mass ratio of rubber, silicon, expanded minerals, calcium source, and anti-aging agent is 100:20:23:15:2;

[0041] (2) Mix the composite rubber particles with the composite crystallization agent, floating beads, fibers, fillers, and swelling agents, and homogenize them at 40°C to form a paste to obtain a self-repairing building sealing flexible caulking agent; the composite crystallization agent is lemon A compound of acid and tartaric acid according to the ma...

Embodiment 3

[0046] (1) Mix rubber, siliceous matter, expanded minerals, calcium source, and anti-aging agent and then knead them, then grind them into fine particles at -120°C, so that siliceous matter, expanded minerals, and calcium source can firmly adhere to the rubber particles The rubber is styrene-butadiene rubber; the siliceous substance is silica fume; the calcium source is calcium oxide; the anti-aging agent is N-phenyl-α-aniline; the expansion mineral is aluminosilicate, alumina and Calcium sulfate is compounded according to the mass ratio of 1: 0.8: 0.8; in the composite rubber particles, the mass ratio of rubber, silicon, expanded minerals, calcium source, and anti-aging agent is 100:20:23:15:2;

[0047] (2) Mix the composite rubber particles with the composite crystallization agent, floating beads, fibers, fillers, and swelling agents, and homogenize them at 50°C to form a paste to obtain a self-repairing building sealing flexible caulking agent; the composite crystallization ...

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

No PUM Login to View More

Abstract

The invention provides a self-repairing constructional sealing flexible caulking agent and a preparation method thereof. The flexible caulking agent is prepared through the following steps: mixing rubber, a siliceous substance, a swelling mineral, a calcium source and an anti-aging agent, then carrying out freeze-grinding, then mixing obtained composite rubber particles with a composite crystallizing agent, floating beads, fibers, a filling material and a swelling agent, and carrying out homogenizing. The pasty caulking agent provided by the invention has good mechanical properties, is easy toprocess, has excellent self-repairing function, can be extensively used for road caulking, roof caulking, external caulking and the like for constructions, is applicable to caulking of a plurality ofsubstrates like concrete and asphalt, and effectively overcomes the defects of aging and poor cracking durability of a conventional flexible caulking agent.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a self-repairing building sealing flexible caulking agent and a preparation method. Background technique [0002] my country's expressway and ordinary road network extend in all directions, but due to climate change and subsidence of the foundation structure, irregular cracks often appear on the road surface. With the extension and enlargement of cracks, the pavement will age rapidly and be seriously damaged. At the same time, the generation of cracks makes rainwater seep into the roadbed, which accelerates the damage of the roadbed, so that the road has to be resurfaced or overhauled. In order to avoid the expansion of road cracks and damage to the subgrade, protect the smoothness of the road surface, save road maintenance costs, and prolong the service life of the road, new cracks must be repaired in time to achieve the purpose of waterproofing and preventing cracks...

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 Applications(China)
IPC IPC(8): C04B26/04C04B111/20C04B111/72
CPCC04B26/04C04B2111/00482C04B2111/00672C04B2111/0075C04B2111/20C04B2111/72C04B2111/723C04B2201/50C04B18/08C04B18/146C04B22/064C04B24/121C04B22/08C04B22/143C04B22/06C04B24/06C04B14/465C04B14/18C04B24/00C04B24/42C04B14/46C04B14/106C04B14/42C04B14/20
Inventor 陈庆曾军堂
Owner CHENDU NEW KELI CHEM SCI CO LTD
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com