Special sound absorption water paint for conference hall and preparation method of special sound absorption water paint
A conference hall and water-based paint technology, applied in latex paint, biocide-containing paint, antifouling/underwater paint, etc., can solve the problems of affecting the appearance of conference halls, occupy large space, and high cost, and achieve obvious sound absorption effect. , Strengthen the effect of dust-proof, anti-fouling, and anti-oxidation ability.
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Embodiment 1
[0031] A special sound-absorbing water-based paint for conference halls according to the present invention, said special-purpose sound-absorbed water-based paint for conference halls comprises the following components by mass percentage:
[0032]
[0033]
[0034] Described wetting agent A is the alkyl polyoxyethylene ether of non-ionic low foaming effect, as the BD-109 of Dow, the LCN070 of Clariant etc.; Described defoamer is mineral oil defoamer, such as Blackburn's CF-246, Corning's NXZ, F-111.
[0035] The thickener A is hydroxyethyl cellulose, which prevents the sedimentation of heavy pigments and fillers, and introduces yield value and thixotropy for the coating system, such as 250HBR of Ashland Company; the thickener B is ordinary Hydrophobically modified acrylic alkali swelling, such as Dow TT615, Elements 150 etc.
[0036] The leveling agent is matched with non-ionic polyurethane thickening leveling agent, such as RM2020 or RM2050D of Dow Company. The three...
Embodiment 2
[0050] The difference between embodiment 2 and embodiment 1 is: a special sound-absorbing paint for conference halls of the present invention, said special sound-absorbing paint for conference halls comprises the following components by mass percentage:
[0051]
[0052]
[0053] The bactericidal antifungal agent is 2-n-octyl-4-isothiazolin-3-ketone benzimidazole, isothiazole derivatives, hydroxymethyl urea 1,6 dihydroxy-2-5 dioxygen from Pvrogiven company A combination of three in heterocyclohexane.
[0054] Described antifreezing agent is propylene glycol.
[0055] The preparation method of special sound-absorbing paint for conference halls according to the present invention is characterized in that it comprises the following steps:
[0056] In step (1), preparation of pre-coagulated slurry: Accurately weigh each component according to the stated ratio, put deionized water in the dispersion tank, start stirring, slowly add thickener A while stirring at low speed, and ...
Embodiment 3
[0062] The difference between embodiment 3 and embodiment 1 is: a special sound-absorbing paint for conference halls of the present invention, said special sound-absorbing paint for conference halls comprises the following components by mass percentage:
[0063]
[0064]
[0065] The fungicide and antifungal agent is a combination of two kinds of isothiazole derivatives and hydroxymethylurea 1,6 dihydroxy-2-5 dioxane.
[0066] The preparation method of special sound-absorbing paint for conference hall of the present invention comprises the following steps:
[0067] In step (1), preparation of pre-coagulated slurry: Accurately weigh each component according to the stated ratio, put deionized water in the dispersion tank, start stirring, slowly add thickener A while stirring at low speed, and then disperse at high speed The time is 20min; the low-speed stirring rate is 500r / min, and the high-speed dispersion rate is 1500r / min;
[0068] In step (2), pre-mixing: reduce the ...
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