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Emulsion polymer used as soil admixture as well as preparation method and application thereof

An emulsion polymer and admixture technology, applied in application, fertilizer mixture, soil conditioning materials, etc., can solve the problems of shortening road construction period, soil pollution construction cost, etc. Good capacitive effect

Inactive Publication Date: 2022-05-20
江苏益路昇新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: In view of the current situation that mines are banned, the price of crushed stone remains high, and the supply of crushed stone products is in short supply, in order to reduce or cancel the dependence on crushed stone in road construction, reduce the consumption of powder materials such as lime, ash, sand and gravel. It can be used to reduce dust pollution, and at the same time, in order to solve the problems of soil pollution and construction cost increase caused by the accumulation and transfer of a large amount of soil that may be generated in the road construction process, the invention discloses a soil solidification admixture that can be used for road construction A new type of polymer emulsion and its preparation method and application. The polymer emulsion is combined with the soil at or near the construction site with a suitable process, and the prepared roadbed material can replace gravel, lime, and gravel in whole or in part. and other traditional building materials, which can meet the requirements of road construction technical specifications and greatly shorten the road construction period

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Material preparation: add 3 parts of glycerol triacrylate to 40 parts of ethyl acrylate, mix well and pour into head tank 1; add 3 parts of isopropanol to 6 parts of styrene, mix and pour into head tank 2. Dissolve 2 parts of acrylamide in 8 parts of deionized water and inject it into high tank 3; dissolve 1 part of ammonium persulfate in 10 parts of deionized water and inject it into high tank 4; the four high tanks are marked with scales. Inject 26 parts of deionized water into the reaction kettle with internal and external heating and cooling devices, reflux device and variable speed agitator, slowly add 3 parts of emulsifier sodium dodecylbenzene sulfonate, at 60-70 rpm Stir for 3-5 minutes and set aside.

[0025] (2) Polymerization reaction: Purge the reactor with nitrogen for 2 to 3 minutes, start the agitator and keep the speed of 60 to 70 rpm, and then sequentially transfer 10% of the materials in the high tank 1, the high tank 2 and the high tank 3 rapidly ...

Embodiment 2

[0030] (1) Material preparation: add 3 parts of glycerol triacrylate to 38 parts of ethyl acrylate, mix well and pour into head tank 1; add 3.5 parts of isopropanol to 7 parts of styrene, mix and pour into head tank 2. Dissolve 4 parts of acrylamide in 12 parts of deionized water and inject it into head tank 3; dissolve 1 part of ammonium persulfate in 10 parts of deionized water and inject it into head tank 4; the four head tanks are all marked with scales. Inject 22 parts of deionized water into the reaction kettle with internal and external heating and cooling devices, reflux device and variable speed agitator, slowly add 3 parts of emulsifier sodium dodecylbenzene sulfonate, at 60-70 rpm Stir for 3-5 minutes and set aside.

[0031] (2) Polymerization reaction: Purge the reactor with nitrogen for 2 to 3 minutes, start the agitator and keep the speed of 60 to 70 rpm, and then sequentially transfer 10% of the materials in the high tank 1, the high tank 2 and the high tank 3 r...

Embodiment 3

[0036] (1) Material preparation: Add 3 parts of glycerol triacrylate to 36 parts of ethyl acrylate, mix well and pour into head tank 1; add 4 parts of isopropanol to 8 parts of styrene, mix and pour into head tank 2. Dissolve 6 parts of acrylamide in 14 parts of deionized water and inject it into head tank 3; dissolve 1 part of ammonium persulfate in 10 parts of deionized water and inject it into head tank 4; the four head tanks are all marked with scales. Inject 20 parts of deionized water into the reaction kettle with internal and external heating and cooling devices, reflux device and variable speed agitator, slowly add 3 parts of emulsifier sodium dodecylbenzene sulfonate, at 60-70 rpm Stir for 3-5 minutes and set aside.

[0037] (2) Polymerization reaction: Purge the reactor with nitrogen for 2 to 3 minutes, start the agitator and keep the speed of 60 to 70 rpm, and then sequentially transfer 10% of the materials in the high tank 1, the high tank 2 and the high tank 3 rap...

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Abstract

The invention discloses an emulsion polymer used as a soil admixture and a preparation method and application thereof. The emulsion polymer is mainly prepared from the following four vinyl monomers: one monomer containing a benzene ring, three monomers containing carbonyl, and at least one of the monomers containing carbonyl contains polyol. The obtained copolymer emulsion is mixed with common soil and a small amount of inorganic materials, and a novel stabilized soil roadbed material which is good in component binding performance, high in compressive strength, easy and convenient to construct and short in maintenance period can be prepared. Compared with the traditional roadbed material, the polymer emulsion provided by the invention can greatly shorten the road construction period and obviously reduce the road construction cost, and has good ecological effects of reducing dust during construction and protecting the environment.

Description

technical field [0001] The invention belongs to the technical field of soil admixtures, and in particular relates to an emulsion polymer used as a soil admixture, a preparation method and application thereof. Background technique [0002] With the rapid and steady development of economic construction, road construction of various levels such as expressways, provincial roads, and county and township roads is constantly being planned, designed and constructed, and the demand for roadbed materials, which are necessary for road construction, is also increasing. bigger. So far, the traditional road construction is still using different specifications of crushed stone and lime as roadbed materials for multi-layer repeated compaction. The crushed stone comes from the quarrying and crushing of the mine, and the lime comes from the mining and firing of the lime mine. However, with the mining ban and closure of mines, the supply of crushed stone and lime has dropped sharply, and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/18C08F222/14C08F212/08C08F220/56C09K17/22
CPCC08F220/1802C09K17/22C08F222/103C08F212/08C08F220/56Y02W30/91
Inventor 姚义刚刘云
Owner 江苏益路昇新材料有限公司
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