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

Corrosion-resistant flexible epoxy resin root puncture-resistant waterproof composite material

A flexible epoxy resin and root puncture-resistant technology, which is applied to roofs, roof coverings, buildings, etc. using flexible materials, can solve the problems of difficult handling of inner corners, large pollution, poor mechanical properties and ductility, etc. Root puncture resistance and waterproof effect, avoid energy consumption and large pollution, and improve the effect of waterproof safety factor

Active Publication Date: 2019-03-22
HUBEI UNIV OF TECH
View PDF7 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Asphalt-based root puncture-resistant waterproofing membrane is one of the most widely used waterproof materials at present. The existing problems are as follows: First, due to the limited length and width of asphalt-based root-puncture-resistant waterproofing membrane, it is inevitable to use If there is an overlap, the root system of the plant is easy to penetrate the gap at the overlap, so the gap at the overlap becomes the weak link of the waterproof system; There are disadvantages of complex process, energy consumption and large pollution, and if the hot-melt welding is excessive, the coil will be carbonized, resulting in a decrease in strength and cohesion. Pyrolysis will make the overall root resistance performance deteriorate or fail. If the time is too short, the joint will form a virtual weld; third, the copper base of the asphalt root puncture-resistant waterproof membrane is mainly copper foil, and its mechanical properties And the ductility is poor, the carcass is easy to bulge and break when it encounters corners during construction, and it is difficult to deal with the inner corners; in addition, copper is a precious metal with a high price, and the use of copper foil as the base increases the amount of copper metal used. increased cost
Epoxy resin has excellent adhesion, chemical stability, mold resistance, low curing shrinkage, and easy molding, so it is used in waterproof coatings. However, the coating has the disadvantages of poor mechanical properties. At the same time, the acid-base soil of the roof It is easy to cause corrosion of the coating and cause the failure of the waterproof layer

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Corrosion-resistant flexible epoxy resin root puncture-resistant waterproof composite material
  • Corrosion-resistant flexible epoxy resin root puncture-resistant waterproof composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 1) Arranging the glass fibers in a degreasing liquid for 30 minutes at 40° C., and placing the treated glass fibers in 10 wt % dilute sulfuric acid to neutralize the lye on the surface;

[0032] The formula of the degreasing liquid is: a mixed solution of sodium hydroxide 60g / L, sodium carbonate 30g / L and sodium phosphate 15g / L;

[0033] 2) Arrange the degreased and neutralized glass fiber in step 1) in the sensitization solution, sensitize it at 25°C for 10 minutes, and rinse it repeatedly with clean water;

[0034] The sensitizing solution is: a mixed solution of 10 g / L of stannous chloride and 40 ml / L of hydrochloric acid; the percentage concentration of hydrochloric acid is 38%.

[0035] 3) Arrange the glass fiber sensitized in step 2) in the activation solution and activate it at 25°C for 10 minutes, and the Pd in ​​the solution 2+ The ions are converted into metal Pd particles, and then placed in 10g / L sodium hypophosphite for 10min to reduce the Pd on the surfac...

Embodiment 2

[0042] Embodiment 2, with embodiment 1, the difference is,

[0043] 1) Place the glass fiber bundles in a degreasing solution for 30 minutes at 40°C, and place the treated glass fiber bundles in 10 wt% dilute sulfuric acid to neutralize the lye on the surface;

[0044] 4) Use ammonia water to adjust the pH value of the plating solution to 10, place the activated glass fiber bundles in step 3) in the copper plating solution, perform copper plating at 80° C. for 20 minutes, and dry to obtain copper-plated glass fiber bundles;

[0045] Described copper plating liquid is: copper sulfate 40g / L, sodium hypophosphite 30g / L, sodium citrate 60g / L, the mixed solution of ammonium chloride 50g / L and thiourea 5mg / L;

[0046] 5) The mass parts are 100 parts of bisphenol A type E51 epoxy resin, 55 parts of curing agent D400 polyetheramine, 10 parts of plasticizer dibutyl phthalate, 4 parts of curing accelerator nonylphenol, furfural 30 parts of phenolic resins are uniformly stirred by machi...

Embodiment 3

[0057] Embodiment 3, with embodiment 1, the difference is,

[0058] 1) Place the glass fiber bundles in a degreasing solution for 30 minutes at 40°C, and place the treated glass fiber bundles in 10 wt% dilute sulfuric acid to neutralize the lye on the surface;

[0059] 4) Adjust the pH value of the plating solution to 11 with ammonia water, place the activated glass fiber bundles in step 3) in the copper plating solution, and perform copper plating at 90° C. for 30 minutes to obtain copper-plated glass fiber bundles;

[0060] Described copper plating liquid is: copper sulfate 50g / L, sodium hypophosphite 40g / L, sodium citrate 70g / L, the mixed solution of ammonium chloride 60g / L and thiourea 6mg / L;

[0061] 5) The mass parts are 100 parts of bisphenol A type E51 epoxy resin, 55 parts of curing agent D400 polyetheramine, 10 parts of plasticizer dibutyl phthalate, 4 parts of curing accelerator nonylphenol, furfural 35 parts of phenolic resins are uniformly stirred by machinery to...

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 discloses a corrosion-resistant flexible epoxy resin root puncture-resistant waterproof composite material. The corrosion-resistant flexible epoxy resin root puncture-resistant waterproof composite material has the advantages that a copper-plating glass fiber is prepared by a chemical plating method, and is used as a reinforcing material and a root blocking agent, furan resin-modified flexible epoxy resin is used as a matrix, and the corrosion-resistant flexible epoxy resin root puncture-resistant waterproof composite material is formed by a vacuum casting or spraying forming technology; the mechanical strength is higher, the root puncture-resistant effect and waterproof effect are good, the acid and alkaline corrosion-resistant property is excellent, and the damage to the waterproof layer by the acid and alkaline corrosion of the soil at the planted roof can be avoided; by adopting the surface copper plating type, the usage amount of noble metal copper is greatly reduced, and the production cost is reduced; by adopting the vacuum casting and spraying forming types, the waterproof layer and the base layer of planted roof are integrated, and the flexible epoxy resin iscured and formed at normal temperature; the energy-saving, environment-friendly and green effects are realized, and the interface adhering to the concrete roof is strong.

Description

technical field [0001] The invention belongs to the field of waterproof material preparation, and in particular relates to a corrosion-resistant flexible epoxy resin root puncture-resistant waterproof composite material. Background technique [0002] The development of green planted roofs is one of the effective ways to alleviate the "urban heat island" effect and protect the urban ecological environment. The green planted roof project consists of multiple comprehensive technologies such as planting, waterproofing, drainage, thermal insulation, etc., among which roof waterproofing technology is particularly important. Once leakage occurs, it will cause great economic losses. Root puncture-resistant waterproof material refers to a kind of high-efficiency waterproof material that can inhibit the further growth of roots to the waterproof layer and avoid damage to the waterproof layer. The plant roots in the planting roof system have strong penetrability. If the root puncture-re...

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): C08L63/02C08L61/08C08L61/02C08K9/02C08K7/00C08K7/14C08K5/12D06M11/83E04D5/10
CPCC08L63/00D06M11/83E04D5/10C08L61/06C08K9/02C08K7/00C08K7/14C08K5/12C08L61/02
Inventor 陈威贺行洋苏英曾三海王迎斌陈顺杨进郑正旗黄健翔马梦阳江波于紫琦
Owner HUBEI UNIV OF TECH
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