A kind of cement additire suitable for municipal works
Technical field
The present invention relates to municipal works, and in particular to a kind of cement additire suitable for municipal works.
Background technology
With social development, scientific and technological progress, the continuous improvement of mankind's actual life demand, especially in China, due to economy
Flourish, it is necessary to substantial amounts of infrastructure, to meet modernization construction, at present, with road, bridge house and other high
Layer building is on the increase, and increasing cement additire is applied in above-mentioned construction.
Cement additire is a kind of chemical addition agent for improving cement grinding effect and performance, can significantly improve cement grinding mill
Unit-hour output and each age strength of cement.Cement additire can be greatly lowered the Electrostatic Absorption bag ball formed in grinding process and show
As, and the coalescence trend again of the ultra-fine grain formed in grinding process can be reduced, reduced grinding phenomenon.Cement additire
Also cement fluidity can be significantly improved, improves the grinding efficiency of grinding machine and the grinding efficiency of powder concentrator, so as to reduce grinding energy.
As a kind of chemical activator, cement additire can improve concrete scroll and excite the hydration activity of each mixing material, so as to
Improve cement early strength and later strength.
The content of the invention
It is an object of the invention to be to provide a kind of cement additire suitable for municipal works, for improving cement
The combination properties such as intensity, wearability.
The above-mentioned purpose of the present invention is achieved by following technical scheme:
A kind of cement additire for municipal works, it is made up of the raw material of following parts by weight:Calcium oxide, 35~45 parts;
Calcium acetate, 5~15 parts;IPD, 10~20 parts;Benzyl glycidyl ether, 5~15 parts;Dimethyl silicone polymer, 15
~25 parts;Isopropyl palmitate, 5~15 parts;Zinc dialkyl dithiophosphate, 20~30 parts;Methyl hydroxybenzoate and nipalgin third
The mixture of ester, 5~7 parts;The weight ratio of the methyl hydroxybenzoate and propylben is 4~6:1.
Further, described cement additire is made up of the raw material of following parts by weight:Calcium oxide, 40 parts;Calcium acetate, 10
Part;IPD, 15 parts;Benzyl glycidyl ether, 10 parts;Dimethyl silicone polymer, 20 parts;Isopropyl palmitate, 10
Part;Zinc dialkyl dithiophosphate, 25 parts;The mixture of methyl hydroxybenzoate and propylben, 6 parts;The methyl hydroxybenzoate
Weight ratio with propylben is 5:1.
Further, described cement additire is made up of the raw material of following parts by weight:Calcium oxide, 35 parts;Calcium acetate, 5
Part;IPD, 10 parts;Benzyl glycidyl ether, 5 parts;Dimethyl silicone polymer, 15 parts;Isopropyl palmitate, 5 parts;
Zinc dialkyl dithiophosphate, 20 parts;The mixture of methyl hydroxybenzoate and propylben, 5 parts;The methyl hydroxybenzoate and Buddhist nun
The weight ratio for mooring golden propyl ester is 4:1.
Further, described cement additire is made up of the raw material of following parts by weight:Calcium oxide, 45 parts;Calcium acetate, 15
Part;IPD, 20 parts;Benzyl glycidyl ether, 15 parts;Dimethyl silicone polymer, 25 parts;Isopropyl palmitate, 15
Part;Zinc dialkyl dithiophosphate, 30 parts;The mixture of methyl hydroxybenzoate and propylben, 7 parts;The methyl hydroxybenzoate
Weight ratio with propylben is 6:1.
The preparation method of above-mentioned cement additire is:It is 0.08~0.12mm that calcium oxide and calcium acetate first are ground into granularity
Fine powder, then fine powder is well mixed with surplus stock.
A kind of strong concrete mixture for municipal works, contain above-mentioned cement additire.
Further, the cement additire accounts for the 0.08~0.12% of concrete mix gross weight.
Advantages of the present invention:Cement additire provided by the invention can significantly improve cement compression strength and anti-folding it is strong
Degree, the smoothness and color of cement products are improved, this may be with methyl hydroxybenzoate in cement additire and propylben
Weight ratio is relevant, and the weight ratio of methyl hydroxybenzoate and propylben is 4~6:When between 1, effect is preferable.
Embodiment
The essentiality content of the present invention is further illustrated with reference to embodiment, but present invention protection model is not limited with this
Enclose.Although being explained in detail with reference to preferred embodiment to the present invention, it will be understood by those within the art that, can be right
Technical scheme is modified or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention.
Embodiment 1:The preparation of cement additire
Parts by weight of raw materials ratio:
Calcium oxide, 40 parts;Calcium acetate, 10 parts;IPD, 15 parts;Benzyl glycidyl ether, 10 parts;Poly- diformazan
Radical siloxane, 20 parts;Isopropyl palmitate, 10 parts;Zinc dialkyl dithiophosphate, 25 parts;Methyl hydroxybenzoate and nipalgin third
The mixture of ester, 6 parts;The weight ratio of methyl hydroxybenzoate and propylben is 5:1.
Preparation method:First by calcium oxide and calcium acetate be ground into granularity be 0.08~0.12mm fine powder, then by fine powder with
Surplus stock is well mixed.
Embodiment 2:The preparation of cement additire
Parts by weight of raw materials ratio:
Calcium oxide, 35 parts;Calcium acetate, 5 parts;IPD, 10 parts;Benzyl glycidyl ether, 5 parts;Poly dimethyl
Siloxanes, 15 parts;Isopropyl palmitate, 5 parts;Zinc dialkyl dithiophosphate, 20 parts;Methyl hydroxybenzoate and propylben
Mixture, 5 parts;The weight ratio of the methyl hydroxybenzoate and propylben is 4:1.
Preparation method:First by calcium oxide and calcium acetate be ground into granularity be 0.08~0.12mm fine powder, then by fine powder with
Surplus stock is well mixed.
Embodiment 3:The preparation of cement additire
Parts by weight of raw materials ratio:
Calcium oxide, 45 parts;Calcium acetate, 15 parts;IPD, 20 parts;Benzyl glycidyl ether, 15 parts;Poly- diformazan
Radical siloxane, 25 parts;Isopropyl palmitate, 15 parts;Zinc dialkyl dithiophosphate, 30 parts;Methyl hydroxybenzoate and nipalgin third
The mixture of ester, 7 parts;The weight ratio of methyl hydroxybenzoate and propylben is 6:1.
Preparation method:First by calcium oxide and calcium acetate be ground into granularity be 0.08~0.12mm fine powder, then by fine powder with
Surplus stock is well mixed.
Embodiment 4:The preparation of cement additire
Parts by weight of raw materials ratio:
Calcium oxide, 40 parts;Calcium acetate, 10 parts;IPD, 15 parts;Benzyl glycidyl ether, 10 parts;Poly- diformazan
Radical siloxane, 20 parts;Isopropyl palmitate, 10 parts;Zinc dialkyl dithiophosphate, 25 parts;Methyl hydroxybenzoate and nipalgin third
The mixture of ester, 6 parts;The weight ratio of methyl hydroxybenzoate and propylben is 4:1.
Preparation method:First by calcium oxide and calcium acetate be ground into granularity be 0.08~0.12mm fine powder, then by fine powder with
Surplus stock is well mixed.
Embodiment 5:The preparation of cement additire
Parts by weight of raw materials ratio:
Calcium oxide, 40 parts;Calcium acetate, 10 parts;IPD, 15 parts;Benzyl glycidyl ether, 10 parts;Poly- diformazan
Radical siloxane, 20 parts;Isopropyl palmitate, 10 parts;Zinc dialkyl dithiophosphate, 25 parts;Methyl hydroxybenzoate and nipalgin third
The mixture of ester, 6 parts;The weight ratio of methyl hydroxybenzoate and propylben is 6:1.
Preparation method:First by calcium oxide and calcium acetate be ground into granularity be 0.08~0.12mm fine powder, then by fine powder with
Surplus stock is well mixed.
Embodiment 6:The weight ratio of the contrast of embodiment 1, methyl hydroxybenzoate and propylben is 3:1
Parts by weight of raw materials ratio:
Calcium oxide, 40 parts;Calcium acetate, 10 parts;IPD, 15 parts;Benzyl glycidyl ether, 10 parts;Poly- diformazan
Radical siloxane, 20 parts;Isopropyl palmitate, 10 parts;Zinc dialkyl dithiophosphate, 25 parts;Methyl hydroxybenzoate and nipalgin third
The mixture of ester, 6 parts;The weight ratio of methyl hydroxybenzoate and propylben is 3:1.
Preparation method:First by calcium oxide and calcium acetate be ground into granularity be 0.08~0.12mm fine powder, then by fine powder with
Surplus stock is well mixed.
Embodiment 7:The weight ratio of the contrast of embodiment 1, methyl hydroxybenzoate and propylben is 7:1
Parts by weight of raw materials ratio:
Calcium oxide, 40 parts;Calcium acetate, 10 parts;IPD, 15 parts;Benzyl glycidyl ether, 10 parts;Poly- diformazan
Radical siloxane, 20 parts;Isopropyl palmitate, 10 parts;Zinc dialkyl dithiophosphate, 25 parts;Methyl hydroxybenzoate and nipalgin third
The mixture of ester, 6 parts;The weight ratio of methyl hydroxybenzoate and propylben is 7:1.
Preparation method:First by calcium oxide and calcium acetate be ground into granularity be 0.08~0.12mm fine powder, then by fine powder with
Surplus stock is well mixed.
Embodiment 8:Effect example, compression strength and rupture strength measure
Cement additire prepared by embodiment 1~7, addition 0.1% are added in the preparation process of cement respectively.So
The 28 days compression strength (MPa) and rupture strength relative value (%) of each cement are determined afterwards.
Cement additire source |
28 days compression strength (MPa) |
28 days rupture strength relative values (%) |
Embodiment 1 |
58.9 |
142 |
Embodiment 4 |
53.4 |
137 |
Embodiment 5 |
53.2 |
135 |
Embodiment 6 |
41.4 |
104 |
Embodiment 7 |
41.6 |
103 |
Do not add |
40.4 |
100 |
The effect of the effect of embodiment 2 and 3 and embodiment 4 and 5 is basically identical.
The above results show, cement additire provided by the invention can significantly improve cement compression strength and anti-folding it is strong
Degree.
Embodiment 9:Effect example, smoothness and color experiment
Mix the cement additire of the preparation of embodiment 1~7 respectively with the white cement of commercially available 32.5MPa strength grades, it is raw
Production size is 300mm × 300mm × 60mm each 5 pieces of base substrates of smooth concrete plate brick, is stripped after standing 7 days at 20 ± 2 DEG C,
Observe product surface situation.10kg white cements add 0.1kg cement additires.
Cement additire source |
Product surface situation |
Embodiment 1 |
Intact, surface is smooth, glossy |
Embodiment 4 |
Intact, surface is smooth, glossy |
Embodiment 5 |
Intact, surface is smooth, glossy |
Embodiment 6 |
Surface smoothness is poor, matt degree |
Embodiment 7 |
Surface smoothness is poor, matt degree |
Do not add |
Surface smoothness is poor, matt degree |
The effect of the effect of embodiment 2 and 3 and embodiment 4 and 5 is basically identical.
The above results show that cement additire provided by the invention can significantly improve the smoothness and color of cement.
The effect of integrated embodiment 8 and embodiment 9 can be seen that cement additire provided by the invention and can significantly improve
The compression strength and rupture strength of cement, the smoothness and color of cement products are improved, this may be with Buddhist nun in cement additire
It is relevant with the weight ratio of propylben to moor tortoise beetle ester, the weight ratio of methyl hydroxybenzoate and propylben 4~
6:When between 1, effect is preferable.
The effect of above-described embodiment indicates that the essentiality content of the present invention, but the protection of the present invention is not limited with this
Scope.It will be understood by those within the art that technical scheme can be modified or equivalent substitution,
Without departing from the essence and protection domain of technical solution of the present invention.