A kind of diatomite-based flexible composite water-absorbing material and preparation method thereof
A water-absorbing material, diatomite technology, applied in the preparation and application of non-metallic mineral composite materials, can solve the problems of application scene restrictions, easy fracture deformation, powder removal, etc., to improve the home environment, increase flexibility, and simple process Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
preparation example Construction
[0017] A diatomite-based flexible composite water-absorbing material and a preparation method thereof, comprising the steps of:
[0018] 1) Diatomaceous earth, silver-loaded zeolite, TiO 2 , Polyethylene glycol 400 and water are mixed in a mass ratio of 1:0.02-0.05:0.004-0.01:0.006-0.02:1.6-2.4; placed in a 20-30°C water bath and stirred for 0.5-1h to obtain a mixed suspension A ;
[0019] 2) Add the mixed suspension A prepared in step 1) to 8-15 wt % of polyvinyl alcohol solution, stirred for 10-25min to make it evenly dispersed to obtain mixture B; the mass ratio of polyvinyl alcohol solution to diatomaceous earth is 6-10:1;
[0020] 3) To the mixture B obtained in step 2), add 30-40 wt % soluble starch solution, 25-37 wt % formaldehyde solution, 10-15 wt % sodium carbonate solution, 0.5-2 wt % chitosan solution, stirred for 20-30min, then slowly added 30-40 wt % sulfuric acid solution, after the volume of the mixture increases, add water-based polyurethane solution a...
Embodiment 1
[0023] 1) Weigh 10g of diatomite, 0.5g of silver-loaded zeolite, and 0.04g of TiO 2 , 0.2g of polyethylene glycol 400 and 24g of water were mixed, placed in a 20°C water bath and stirred for 1 hour to obtain a mixed suspension A;
[0024] 2) Add the mixed suspension A prepared in step 1) to 80g with a concentration of 12 wt % of polyvinyl alcohol solution, stirred for 10min to make it evenly dispersed to obtain mixture B;
[0025] 3) To the mixture B obtained in step 2), add 14 g of the mixture in turn with a concentration of 30 wt % soluble starch solution, 7g concentration is 37 wt % formaldehyde solution, 10g concentration is 10 wt % sodium carbonate solution, 1.5g concentration is 0.5 wt % chitosan solution, stirred for 20min, then slowly added 15g concentration 30 wt % sulfuric acid solution, after the volume of the mixture increases, add 1.5g aqueous polyurethane solution and continue to stir for 30min to obtain viscous liquid C;
[0026] 4) Transfer the viscous li...
Embodiment 2
[0028] 1) Weigh 5g of diatomite, 0.1g of silver-loaded zeolite, and 0.04g of TiO 2 , 0.03g of polyethylene glycol 400 and 8g of water were mixed, placed in a 30°C water bath and stirred for 0.5h to obtain a mixed suspension A;
[0029] 2) Add the mixed suspension A prepared in step 1) to 30g with a concentration of 15 wt % polyvinyl alcohol solution, stirred for 25min to make it evenly dispersed to obtain mixture B;
[0030] 3) To the mixture B obtained in step 2), add 6 g of it in sequence to a concentration of 40 wt % soluble starch solution, 4.5g concentration is 25 wt % formaldehyde solution, 4g concentration is 15 wt % sodium carbonate solution, 0.25g concentration is 2 wt % chitosan solution, stirred for 30min, then slowly added 5g concentration 40 wt % sulfuric acid solution, after the volume of the mixture increases, add 0.4g aqueous polyurethane solution and continue to stir for 20min to obtain viscous liquid C;
[0031] 4) Transfer the viscous liquid C obtained...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More