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One-component in-situ sprayed-up beaded mesh running track surface and preparation method therefor

A one-component, on-site technology, applied in the direction of roads, pavements, roads, etc., can solve the problems of heavy metal catalyst environmental impact, easy shedding, particle accumulation on the runway surface, etc.

Inactive Publication Date: 2018-05-22
JIANGMEN CHANGHE CHEM IND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Among the existing runway products, the runway surface material is generally: 1. EPDM particles are sprayed after being wrapped with an adhesive; 2. After scraping and coating a certain thickness of polyurethane coating, EPDM particles are sprinkled and fixed with polyurethane coating; 3. The factory produces prefabricated runway surface materials; 4. Most of the existing runway materials are two-component curing, and heavy metal catalysts need to be added during the curing process, and organic solvents are used in the synthesis process of the materials, causing environmental pollution. influences
The first two EPDM particles are easy to fall off, causing a large number of particles to accumulate on the surface of the runway; the latter is prefabricated in the factory, and many joints are easy to crack when laid on site, which cannot meet the integration requirements. The use of heavy metal catalysts and the use of organic solvents Use is easy to cause impact on the environment, does not meet environmental protection requirements

Method used

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  • One-component in-situ sprayed-up beaded mesh running track surface and preparation method therefor
  • One-component in-situ sprayed-up beaded mesh running track surface and preparation method therefor
  • One-component in-situ sprayed-up beaded mesh running track surface and preparation method therefor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Component A: Weigh 33kg of polyether diol, 20kg of polyether triol, 18kg of talc powder and 5kg of fumed silica for high-temperature dehydration, and then react with 22kg of diphenylmethane diisocyanate at 70°C. 4 hours, then detect the amount of isocyanate in the reaction system, when the amount of isocyanate is 7.0, add 1kg gamma-glycidyloxypropyltrimethoxysilane dropwise to the reaction system, and measure the amount of isocyanate in the system 5.0, then lower the temperature to 50-55°C, then add 1kg of antioxidant, then lower the temperature, filter and package to obtain polyurethane prepolymer; component B: calculate according to weight percentage, weigh 30kg vegetable oil plasticizer, 10kg iron oxide red, 33kg Modified calcium carbonate and 27kg of quartz powder were kneaded uniformly in a kneading kettle. Then, during on-site construction, mix and stir evenly at room temperature according to the ratio of 1:2 (weight ratio). After spraying by the runway sprayer, i...

Embodiment 2

[0028] Component A: Weigh 35kg of polyether diol, 19kg of polyether triol, 17kg of quartz powder and 6kg of modified kaolin for high-temperature dehydration, and then react with 21kg of diphenylmethane diisocyanate at 65°C. Reaction 4 hour, then detect the isocyanate quantity in the reaction system, when the isocyanate quantity is 7.5, then drip 1kg vinyltriethoxysilane in the reaction system, record the isocyanate quantity in the system to be 5.0, then Cool down to 50-55°C, then add 1kg of antioxidant, then cool down, filter and package to obtain polyurethane prepolymer; Component B: Calculate by weight percentage, weigh 29kg of vegetable oil plasticizer, 10kg of iron phthalein green, and 35kg of modified calcium carbonate , 26kg of aluminum hydroxide powder, kneaded evenly using a kneading kettle. Then, during on-site construction, mix and stir evenly at room temperature according to the ratio of 1:2 (weight ratio). After spraying by the runway sprayer, it is cured by absorb...

Embodiment 3

[0030] Component A: Weigh 35kg of polyether diol, 20kg of polyether triol, 17kg of montmorillonite and 4kg of fumed silica for high-temperature dehydration, and then react with 24kg of diphenylmethane diisocyanate at 65°C. React for 4 hours, then detect the amount of isocyanate in the reaction system, when the amount of isocyanate is 7.5, then add 0.5kg of vinyltrimethoxysilane dropwise to the reaction system, and the amount of isocyanate in the system is measured to be 5.0 , then lower the temperature to 50-55°C, then add 0.5kg of antioxidant, then lower the temperature, filter and package to obtain polyurethane prepolymer; component B: calculate according to weight percentage, weigh 28kg of vegetable oil plasticizer, 11kg of iron oxide blue, 33kg of modified kaolin and 28kg of quartz powder were kneaded evenly in a kneading kettle. Then, during on-site construction, mix and stir evenly at room temperature according to the ratio of 1:2 (weight ratio). After spraying by the ru...

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PUM

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Abstract

The present invention discloses a one-component in-situ sprayed-up beaded mesh running track surface. The surface is a mixture of component A and component B; the component A comprises polyether glycol, isocyanate, a filler, a silane coupling agent, a thixotropic filler, and an anti-aging agent; the component B comprises a plasticizer, a filler, 9.0-11.0% of a toner, and a thixotropic filler. Thepresent invention also discloses a preparation method for the beaded mesh running track surface. The running track surface is one-component cured, solvent-free and all-plastic type without pellet.

Description

technical field [0001] The invention belongs to the technical field of all-plastic plastic runways, and in particular relates to a single-component on-site spray-formed bead-like textured runway surface and a preparation method thereof. Background technique [0002] Among the existing runway products, the runway surface material is generally: 1. EPDM particles are sprayed after being wrapped with an adhesive; 2. After scraping and coating a certain thickness of polyurethane coating, EPDM particles are sprinkled and fixed with polyurethane coating; 3. The factory produces prefabricated runway surface materials; 4. Most of the existing runway materials are two-component curing, and heavy metal catalysts need to be added during the curing process, and organic solvents are used in the synthesis process of the materials, causing environmental pollution. Influence. The first two EPDM particles are easy to fall off, causing a large number of particles to accumulate on the surface ...

Claims

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Application Information

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IPC IPC(8): C09D175/08C09D5/18C09D7/61C09D7/62C09D7/65C08G18/66C08G18/48C08G18/38E01C13/06
CPCC09D175/08C08G18/3893C08G18/4812C08G18/6666C08K2003/2272C08K2003/265C08L2201/08C09D5/18E01C13/06C08L91/00C08K3/34C08K3/36C08K13/06C08K3/22C08K3/26
Inventor 赵文海
Owner JIANGMEN CHANGHE CHEM IND GRP
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