Summary of the invention
In order to solve the polymer cement waterproof paint the deficiencies in the prior art, the invention provides a kind of polymer cement waterproof paint and preparation technology thereof of self-healing mould assembly.This self-healing mould assembly polymer cement waterproof paint can carry out selfreparing to the fine cracks that occurs of filming, and effectively solves the phenomenon of filming and fine cracks occurring and leaking.
A kind of self-healing mould assembly polymer cement waterproof paint provided by the invention comprises liquid material component A and powder B component, is 1: 1.0~1.2 in both ratios of weight ratio,
Wherein liquid material component A comprises by weight percentage:
Ethene-vinyl acetate copolymer emulsion 15%-50%
Acrylic emulsions 35%-65%
Acrylic resin 0.2%-0.8%
Water 14.20%-19.80%,
The powder B component comprises by weight percentage:
Low alkali quick hardening sulphoaluminate cement 19.50%-37.50%
Quartz sand 62.10%-80.35%
Hydroxypropyl methyl cellulose ether 0.05%-0.15%
Water reducer 0.05%-0.10%
Defoamer 0.05%-0.15%.
Described self-healing mould assembly polymer cement waterproof paint, preferred
Described by weight percentage liquid material component A comprises:
Ethene-vinyl acetate copolymer emulsion 25%-35%;
Acrylic emulsions 40%-50%;
Acrylic resin 0.4%-0.6%;
Water 15%-18%;
Described by weight percentage powder B component comprises:
Low alkali quick hardening sulphoaluminate cement 25%-35%;
Quartz sand 65%-75%;
Hydroxypropyl methyl cellulose ether 0.06%-0.1%;
Water reducer 0.06%-0.08%;
Defoamer 0.8%-0.10%.
It is No. 32.5 low alkali quick hardening sulphoaluminate cements, No. 42.5 low alkali quick hardening sulphoaluminate cements or No. 52.5 low alkali quick hardening sulphoaluminate cements that described low alkali quick hardening sulphoaluminate cement is selected from label, and described quartz sand is selected from 40 orders~120 order quartz sands.
Described acrylic emulsions is benzene emulsion or pure acrylic acid emulsion, and described acrylic resin is starch base acroleic acid macromolecular absorbent resin, Mierocrystalline cellulose ether acroleic acid macromolecular absorbent resin or polyacrylate hydroscopic high-molecular resin.
Described water reducer is melamine high-efficiency water-reducing agent or polycarboxylate water-reducer, and described defoamer is the organosilicon powder defoamer.
The present invention also provides a kind of technology for preparing self-healing mould assembly polymer cement waterproof paint, and it comprises the steps:
1) configuration liquid material component A:
5. by weight weighing ethene-vinyl acetate copolymer emulsion 15%-50%, acrylic emulsions 35%-65%, acrylic resin 0.2%-0.8%, water 14.20%-19.80%;
6. water mixes with acrylic resin and stirred after 20-40 minute static at least 24 hours;
7. in the gained mixture, add acrylic emulsions, stir after 10-25 minute, again the ethene-vinyl acetate copolymer emulsion is added, continue to be stirred to the state of mixing;
8. discharging packs;
2) preparation powder B component:
1. by weight the required low alkali quick hardening sulphoaluminate cement 19.50%-37.50% of weighing, quartz sand 62.10%-80.35%, hydroxypropyl methyl cellulose ether 0.05%-0.15%, water reducer 0.05%-0.10%, and defoamer 0.05%-0.15%;
2. in mixing tank, add low alkali quick hardening sulphoaluminate cement, hydroxypropyl methyl cellulose ether, water reducer, defoamer and quartz sand successively, be mixed to evenly;
3. discharging packs;
3) self-healing mould assembly polymer cement waterproof paint preparation:
With gained liquid material component A and gained powder B component, in weight ratio 1: 1.0~1.2 combination packagings.
Press the required liquid material and the powder of proportioning weighing of liquid material and powder, earlier the liquid material added in the stirred vessel, start whipping device, progressively add corresponding powder, treat that whole powders add after, continue to stir and can use in 5 minutes~10 minutes.
Adopt self-healing mould assembly polymer cement waterproof paint provided by the invention not only to have bonding firmly, the tensile strength height, impervious effective, not easy to crack, outside place, special negative and positive angle is not easy to crack, also have easy construction, every change brushing thickness is between 1.00mm-2.00mm, save human cost, simultaneously the fine cracks that causes owing to other reasons is had self-repair function.
Embodiment
For further setting forth the present invention, provide restrictive embodiment below.
In the present invention, low alkali quick hardening sulphoaluminate cement label is No. 42.5 low alkali quick hardening sulphoaluminate cements, quartz sand is 40 orders~120 order quartz sands, ethene-vinyl acetate copolymer emulsion manufacturer is a Beijing Orient petrochemical complex company limited, ACRYLIC EMULSION manufacturer is a Dow Chemical, acrylic resin manufacturer is Beijing auspicious agricultural chemical industry company limited, low alkali quick hardening sulphoaluminate cement manufacturer is a Zhengzhou Wang Lou Cement industry company limited, quartz sand manufacturer is Lingshou, a Hebei quartz sand factory, hydroxypropyl methyl cellulose ether manufacturer is Heda Co., Ltd, Shandong, water reducer manufacturer is a BASF chemical industry company limited, and defoamer manufacturer is a German MUNZING-CHEMIE company.
Based on above-mentioned scope, first embodiment that the present invention provides, the concrete weight proportion of each component is as follows:
1) liquid material part
BJ-707 17.00%;
It dam 2,000 65.00%;
SAP 0.20%;
Water 17.80%;
2) powder part:
42.5 low alkali quick hardening sulphoaluminate cement 19.50%;
Quartz sand (40 orders-120 order) 80.30%;
HPMC?75HD?40000 0.08%;
F10 0.06%;
P803 0.06%;
3) weight proportion of each component:
Liquid material: powder=1: 1
Based on above-mentioned scope, second embodiment that the present invention provides, the concrete weight proportion of each component is as follows:
1) liquid material part
BJ-707 17.00%;
It dam 2,000 65.00%;
SAP 0.20%;
Water 17.80%;
2) powder part:
42.5 low alkali quick hardening sulphoaluminate cement 25.00%;
Quartz sand (40 orders-120 order) 74.65%;
HPMC?75HD?40000 0.10%;
F10 0.10%;
P801 0.15%;
3) weight proportion of each component:
Liquid material: powder=1: 1.1
Based on above-mentioned scope, the 3rd embodiment that the present invention provides, the concrete weight proportion of each component is as follows:
1) liquid material part
BJ-705 17.00%;
It dam 2000S 65.00%;
XH-01 0.20%;
Water 17.80%;
2) powder part:
42.5 low alkali quick hardening sulphoaluminate cement 37.50%;
Quartz sand (40 orders-120 order) 62.25%;
HPMC?75HD?40000 0.06%;
1641F 0.06%;
P801 0.13%;
3) weight proportion of each component:
Liquid material: powder=1: 1.1
Based on above-mentioned scope, the 4th embodiment that the present invention provides, the concrete weight proportion of each component is as follows:
1) liquid material part
BJ-705 33.00%;
It dam 2000S 49.55%;
XH-03 0.45%;
Water 17.00%;
2) powder part:
42.5 low alkali quick hardening sulphoaluminate cement 19.50%;
Quartz sand (40 orders-120 order) 80.30%;
HPMC?75HD?40000 0.08%;
1641F 0.06%;
P803 0.06%;
3) weight proportion of each component:
Liquid material: powder=1: 1.1
Based on above-mentioned scope, the 5th embodiment that the present invention provides, the concrete weight proportion of each component is as follows:
1) liquid material part
BJ-707 33.00%;
It dam 2,000 49.55%;
SAP 0.45%;
Water 17.00%;
2) powder part:
42.5 low alkali quick hardening sulphoaluminate cement 25.00%;
Quartz sand (40 orders-120 order) 74.65%;
HPMC?75HD?40000 0.10%;
F10 0.10%;
P801 0.15%;
3) weight proportion of each component:
Liquid material: powder=1: 1.2
Based on above-mentioned scope, the 6th embodiment that the present invention provides, the concrete weight proportion of each component is as follows:
1) liquid material part
BJ-707 33.00%;
It dam 2000S 49.55%;
SAP 0.45%;
Water 17.00%;
2) powder part:
42.5 low alkali quick hardening sulphoaluminate cement 37.50%;
Quartz sand (40 orders-120 order) 62.25%;
HPMC?75HD?40000 0.06%;
1641F 0.06%;
P803 0.13%;
3) weight proportion of each component:
Liquid material: powder=1: 1.1
Based on above-mentioned scope, the 7th embodiment that the present invention provides, the concrete weight proportion of each component is as follows:
1) liquid material part
BJ-705 50.00%;
It dam 2000S 35.00%;
XH-03 0.65%;
Water 14.35%;
2) powder part:
42.5 low alkali quick hardening sulphoaluminate cement 19.50%;
Quartz sand (40 orders-120 order) 80.30%;
HPMC?75HD?40000 0.08%;
F10 0.06%;
P803 0.06%;
3) weight proportion of each component:
Liquid material: powder=1: 1.1
Based on above-mentioned scope, the 8th embodiment that the present invention provides, the concrete weight proportion of each component is as follows:
1) liquid material part
BJ-707 50.00%;
It dam 2,000 35.00%;
XH-03 0.65%;
Water 14.35%;
2) powder part:
42.5 low alkali quick hardening sulphoaluminate cement 25.00%;
Quartz sand (40 orders-120 order) 74.65%;
HPMC?75HD?40000 0.10%;
1641F 0.10%;
P801 0.15%;
3) weight proportion of each component:
Liquid material: powder=1: 1.1
Based on above-mentioned scope, the 9th embodiment that the present invention provides, the concrete weight proportion of each component is as follows:
1) liquid material part
BJ-705 50.00%;
It dam 2000S 35.00%;
SAP 0.65%;
Water 14.35%;
2) powder part:
42.5 low alkali quick hardening sulphoaluminate cement 37.50%;
Quartz sand (40 orders-120 order) 62.25%;
HPMC?75HD?40000 0.06%;
F10 0.06%;
P801 0.13%;
3) weight proportion of each component:
Liquid material: powder=1: 1.2
The above-mentioned self-healing mould assembly polymer cement waterproof paint that the present invention provides, example detection result is as follows:
Table 1 (example one, two, three detected results)
Table 2 (example four, five, six detected results)
Table 3 (example seven, eight, nine detected results)
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