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Polymer fluorogypsum-based machine-spray thermal insulation mortar and preparation method thereof

A technology of thermal insulation mortar and fluorogypsum, which is applied in the field of composite thermal insulation materials, can solve the problems of poor cohesion of mortar, slow hydration process, and limited use, so as to enhance water resistance, water retention and viscosity, prevent bleeding effect

Active Publication Date: 2016-09-21
HEFEI GUORUI INTEGRATED CONSTR TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Fluorogypsum is mainly an industrial by-product from hydrofluoric acid chemical enterprises. It is beneficial to use in construction engineering; when the gypsum-based thermal insulation mortar reported in the past is used in the production of cold-formed thin-walled light steel structure housing industry, due to its poor water retention and poor cohesion in the mortar, pipe plugging will occur when it is sprayed by a machine And after spraying, sagging, slipping and other phenomena
Therefore, these shortcomings of gypsum-based thermal insulation mortar limit its use in the cold-formed thin-walled light steel structure construction industry

Method used

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  • Polymer fluorogypsum-based machine-spray thermal insulation mortar and preparation method thereof

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Effect test

Embodiment 1

[0014] By weight, weigh 69 parts of fluorine gypsum powder, 4 parts of quicklime, 8 parts of cement, 16 parts of fly ash, 1.0 part of instant sodium silicate, 0.2 part of hydroxypropyl methylcellulose, the viscosity is 200000mpa.s, α - 0.6 parts of starch, 0.8 parts of vinyl acetate-ethylene copolymer latex powder, put them into a multifunctional dry powder mixer, mix and stir for 10 minutes, and get a well-mixed thermal insulation mortar masterbatch, then put the masterbatch into the mortar mixer, add water 56 After mixing and stirring for 3 minutes, the speed of the mixer is 60 rpm, and then 1.9 parts of EPS particles are added, the speed of the mixer is 60 rpm, and the mixture is stirred for 5 minutes to obtain polymer fluorogypsum-based machine-sprayed thermal insulation mortar.

Embodiment 2

[0016] By weight, weigh 63 parts of fluorine gypsum powder, 4 parts of quicklime, 10 parts of cement, 20 parts of fly ash, 1.5 parts of instant sodium silicate, 0.25 parts of hydroxypropyl methylcellulose, the viscosity is 200000mpa.s, α - 0.6 parts of starch, 0.8 parts of vinyl acetate-ethylene copolymer latex powder, put them into a multifunctional dry powder mixer, mix and stir for 10 minutes, and get a well-mixed thermal insulation mortar masterbatch, then put the masterbatch into the mortar mixer, add water 56 After mixing and stirring for 3 minutes, the speed of the mixer is 60 rpm, and then 1.9 parts of EPS particles are added, the speed of the mixer is 60 rpm, and the mixture is stirred for 5 minutes to obtain polymer fluorogypsum-based machine-sprayed thermal insulation mortar.

Embodiment 3

[0018] By weight, weigh 69 parts of fluorine gypsum powder, 4 parts of quicklime, 8 parts of cement, 16 parts of fly ash, 1.0 part of instant sodium silicate, 0.2 part of hydroxypropyl methylcellulose, the viscosity is 200000mpa.s, α - 0.6 parts of starch, 0.8 parts of vinyl acetate-ethylene copolymer latex powder, put them into a multifunctional dry powder mixer, mix and stir for 10 minutes, and get a well-mixed thermal insulation mortar masterbatch, then put the masterbatch into the mortar mixer, add water 54 After mixing and stirring for 3 minutes, the speed of the mixer is 60 rpm, and then 1.4 parts of EPS particles are added, the speed of the mixer is 60 rpm, and the mixture is stirred for 5 minutes to obtain polymer fluorogypsum-based machine-sprayed thermal insulation mortar.

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Abstract

The invention discloses a polymer fluorogypsum-based machine-spray thermal insulation mortar and a preparation method thereof. The invention relates to the field of composite thermal insulation materials. The polymer fluorogypsum-based machine-spray thermal insulation mortar comprises the following components, by weight: 60-75 parts of fluorogypsum powder, 4-8 parts of quicklime, 5-12 parts of cement, 15-25 parts of fly ash, 1.0-3.5 parts of instant sodium silicate powder, 0.4-1 part of redispersible latex powder, 0.2-0.6 parts of hydroxypropyl methylcellulose, 0.4-0.9 parts of alpha-starch, 0.7-2.2 parts of EPS granules, and 35-60 parts of water. The mortar can be applied by machine spray, such that construction is fast, labor amount is saved, and cost is saved. With continuous seamless construction, a wall body is full, and a common hollow feeling of a light steel composite wall body is avoided. Wall body stability is good, and problems such as cracking and hollowing of traditional construction materials are solved.

Description

technical field [0001] The invention relates to the field of composite thermal insulation materials, in particular to a polymer fluorogypsum-based machine-sprayed thermal insulation mortar and a preparation method thereof. Background technique [0002] Fluorogypsum is mainly an industrial by-product from hydrofluoric acid chemical enterprises. Conducive to the use in construction engineering; when the gypsum-based thermal insulation mortar reported in the past is used in the production of cold-formed thin-walled light steel structure housing industry, due to its poor water retention and poor cohesion in the mortar, the pipe will be blocked when sprayed by machine And after spraying, sag, slip and so on. Therefore, these various shortcomings of gypsum-based thermal insulation mortar limit its use in the cold-formed thin-walled light steel structure construction industry. Contents of the invention [0003] The purpose of the present invention is to solve the above-mentione...

Claims

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Application Information

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IPC IPC(8): C04B28/16C04B14/04C04B24/38
CPCC04B14/045C04B24/38C04B24/383C04B28/165C04B2201/20C04B2201/32C04B2201/50C04B22/064C04B7/02C04B18/08C04B2103/0057C04B16/08C04B24/2623
Inventor 方有春仇多宏程佳
Owner HEFEI GUORUI INTEGRATED CONSTR TECH CO LTD
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