CN104310840B - A kind of magnesia cement composite foamable agent - Google Patents
A kind of magnesia cement composite foamable agent Download PDFInfo
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Abstract
The present invention relates to a kind of magnesia cement composite foamable agent, described is composed as follows, according to mass fraction: tanning waste 10～20 parts, 4～10 parts of Testa Tritici, sodium hydroxide 3～6 parts, hydrochloric acid 0.2～0.5 part, 0.2～0.5 part of nitric acid, poly-erythrol 12～18 parts, ethylene glycol 10～16 parts, cellulase 0.3～0.8 part, cetyl ethyoxyl sulfobetaines 1～6 part, sodium lauryl sulfate 1～6 part, 120～180 parts of water.Relative to prior art, advantages of the present invention is as follows: foam film high resilience, foam stability that 1) foaming of this technical scheme produces are good, and its coefficient of foaming is high, foam is fine and smooth and the magnesia cement compatibility is good, bleeding quantity is low, and the heat conductivity of foaming magnesite cement is greatly reduced；2) the foaming agent raw material described in this technical scheme is tanning waste and agricultural by product Testa Tritici, while benefit of creating a favorable environment, has gathered in the crops huge economic worth.
Description
Technical field
The present invention relates to a kind of foaming agent, be specifically related to a kind of composite foamable agent suitable in magnesia cement.
Background technology
In order to adapt to the demand of building energy conservation heat insulation, novel building material is greatly developed, and increasing building have employed the multi-functional masonry of high-strength light.Having in leachy novel wall at building block, light cellular partition board, energy-conservation composite external wall insulation etc., foaming agent is widely used.The foaming agent of high-quality is the key element preparing high-quality foaming magnesite cement, and its heat preservation and soundproof performance is inseparable with the performance of foaming agent.Foaming agent kind conventional at present is a lot, but its scope of application is respectively provided with significant limitation.Rosin based foaming agent foam poor stability, coefficient of foaming is all low, can be only applied to unit weight more than 600kg/m3Foaming magnesite goods；Anionic synthetic surfactant class foaming agent bubbles fast, and foam volume is big, but foam stability is poor, low-density (500kg/m3Foaming magnesite goods below) are difficult to produce.The foaming agent of magnesia cement is changed into recent kind with protein for mainly bubble source with surfactant-based chemical substance for main from early stage.Domestic animal protein foaming agent is compared with the protein-based foaming agent of comparative maturity in the world, there are problems in the protein foaming agent of China's single component, compound animal and vegetable protein foaming agent also existing enterprise development uses, but the production cost of protein foaming agent is high, scale is less, and the heat conductivity of foaming magnesite cement can not be greatly reduced, in order to solve the problem that numerous type foaming agent can not prepare high-quality foaming magnesite cement, it would be highly desirable to develop the higher foaming agent of a kind of new combination property and solve above-mentioned technical problem.
Leather industry is one of conventional industries of China, and it is processed processing with all kinds of animal skins for raw material, has a long history in China, and its foreign exchange earning is only second to petroleum chemical industry.But the manufacture process at leather can produce substantial amounts of garbage, to process the calculating of 1t raw material skin, cut open layer waste material up to 133kg, shaving scurf 57kg, deburring produces leftover bits and pieces 88kg, and these waste materials, while environment is caused severe contamination, are also the wastes to substantial amounts of protein resource.Testa Tritici, i.e. Testa Tritici, wheat processing milling by products, wheat yellow, lamellar or powdery.Rich cellulose and vitamin, main uses have edible, be used as medicine, feedstuff, wine brewing etc., in these main usess, the consumption of Testa Tritici is little, only accounts for about the 30% of total amount, and the great pressure also caused abandoned to environment by remaining scrap heap.Comprehensively utilize discarded tanned wastes and Testa Tritici as foaming agent raw material sources, develop the high-quality foaming agent for foaming magnesite cement, while turning waste into wealth, environmental conservation and economic sustainable development is significant.
Summary of the invention
Present invention aims to magnesite cement foamed dose of the deficiencies in the prior art, it is provided that a kind of magnesia cement composite foamable agent, solve the problem that numerous type foaming agent can not prepare high-quality foaming magnesite cement.
For reaching above-mentioned purpose, the technical solution used in the present invention is as follows: a kind of magnesia cement composite foamable agent, it is characterised in that described composed as follows, according to mass fraction:
Tanning waste 10～20 parts, 4～10 parts of Testa Tritici, sodium hydroxide 3～6 parts, hydrochloric acid 0.2～0.5 part, 0.2～0.5 part of nitric acid, poly-erythrol 12～18 parts, ethylene glycol 10～16 parts, cellulase 0.3～0.8 part, cetyl ethyoxyl sulfobetaines 1～6 part, sodium lauryl sulfate 1～6 part, 120～180 parts of water；
Its preparation process is as described below:
(1) use sample pulverizer that tanning waste is ground into mixture of powders, take the mixture of powders after pulverizing and cross 80 destination party hole sizer screen analysises, make it all through 80 destination party hole sizers by polished for residue on sieve, obtain tanning waste powder；
(2) according to aforementioned proportion by tanning waste powder, sodium hydroxide, 55～65% water mixing, adopting blender to stir with the speed of 60rpm/min, to form dope standby；
(3) dope that step 2 obtains is put in reactor, add remaining water, 7h is stirred with the speed of 120rpm/min in 100～120 DEG C of scope volumes, quiet heavy 0.5h after cooling, after extraction supernatant liquid filtering falls impurity, with hydrochloric acid, filtrate pH value is adjusted to neutrality, is subsequently heated distillation filtrate 0.5h, obtains aminoacid foaming agent mother solution standby；
(4) in Testa Tritici, add cellulase and isolate appropriate enzymolysis cellulose, according still further to aforementioned proportion by enzymolysis cellulose, nitric acid, poly-erythrol, ethylene glycol mixing, 2h is stirred with blender with the speed of 120rpm/min in 120～140 DEG C of scope volumes, quiet heavy 0.8h after cooling, extraction supernatant liquid filtering obtains enzymolysis cellulose polyhydroxy-alcohol liquid standby after falling impurity；
(5) foaming agent is composite: the enzymolysis cellulose polyhydroxy-alcohol liquid mix homogeneously that the aminoacid foaming agent mother solution prepare step 3 and step 4 prepare, cetyl ethyoxyl sulfobetaines, sodium lauryl sulfate is added according still further to aforementioned proportion, heat to 50～60 DEG C, stir, after raw material fully dissolves reaction, it is cooled to room temperature and namely obtains magnesia cement composite foamable agent.
As a modification of the present invention, described composed as follows, according to mass fraction:
Tanning waste 13～18 parts, 5～8 parts of Testa Tritici, sodium hydroxide 4～5 parts, hydrochloric acid 0.25～0.45 part, 0.25～0.45 part of nitric acid, poly-erythrol 13～17 parts, ethylene glycol 11～15 parts, cellulase 0.4～0.7 part, cetyl ethyoxyl sulfobetaines 2～5 parts, sodium lauryl sulfate 2～5 parts, 130～170 parts of water；
Its preparation process is as described below:
(1) use sample pulverizer that tanning waste is ground into mixture of powders, take the mixture of powders after pulverizing and cross 80 destination party hole sizer screen analysises, make it all through 80 destination party hole sizers by polished for residue on sieve, obtain tanning waste powder；
(2) according to aforementioned proportion by tanning waste powder, sodium hydroxide, 55～65% water mixing, adopting blender to stir with the speed of 60rpm/min, to form dope standby；
(3) dope that step 2 obtains is put in reactor, add remaining water, 7h is stirred with the speed of 120rpm/min in 100～120 DEG C of scope volumes, quiet heavy 0.5h after cooling, after extraction supernatant liquid filtering falls impurity, with hydrochloric acid, filtrate pH value is adjusted to neutrality, is subsequently heated distillation filtrate 0.5h, obtains aminoacid foaming agent mother solution standby；
(4) in Testa Tritici, add cellulase and isolate appropriate enzymolysis cellulose, aforementioned proportion is by enzymolysis cellulose, nitric acid, poly-erythrol, ethylene glycol mixing again, 2h is stirred with blender with the speed of 120rpm/min in 120～140 DEG C of scope volumes, quiet heavy 0.8h after cooling, extraction supernatant liquid filtering obtains enzymolysis cellulose polyhydroxy-alcohol liquid standby after falling impurity；
(5) foaming agent is composite: the enzymolysis cellulose polyhydroxy-alcohol liquid mix homogeneously that the aminoacid foaming agent mother solution prepare step 3 and step 4 prepare, cetyl ethyoxyl sulfobetaines, sodium lauryl sulfate is added according still further to aforementioned proportion, heat to 50～60 DEG C, stir, after raw material fully dissolves reaction, it is cooled to room temperature and namely obtains magnesia cement composite foamable agent.
A kind of magnesia cement composite foamable agent, it is characterised in that described composed as follows, according to mass fraction:
Tanning waste 15 parts, 7 parts of Testa Tritici, sodium hydroxide 4 parts, hydrochloric acid 0.3 part, 0.3 part of nitric acid, poly-erythrol 15 parts, ethylene glycol 12 parts, cellulase 0.5 part, cetyl ethyoxyl sulfobetaines 4 parts, sodium lauryl sulfate 4 parts, 150 parts of water；
Its preparation process is as described below:
(1) use sample pulverizer that tanning waste is ground into mixture of powders, take the mixture of powders after pulverizing and cross 80 destination party hole sizer screen analysises, make it all through 80 destination party hole sizers by polished for residue on sieve, obtain tanning waste powder；
(2) according to above-mentioned mass fraction by tanning waste powder, sodium hydroxide, the mixing of 90 parts of water, blender is adopted to stir formation dope with the speed of 60rpm/min standby；
(3) dope that step 2 obtains is put in reactor, add remaining water, 7h is stirred with the speed of 120rpm/min in 100～120 DEG C of scope volumes, quiet heavy 0.5h after cooling, after extraction supernatant liquid filtering falls impurity, with hydrochloric acid, filtrate pH value is adjusted to neutrality, is subsequently heated distillation filtrate 0.5h, obtains aminoacid foaming agent mother solution standby；
(4) in Testa Tritici, add cellulase and isolate appropriate enzymolysis cellulose, according still further to above-mentioned mass fraction by enzymolysis cellulose, nitric acid, poly-erythrol, ethylene glycol mixing, 2h is stirred with blender with the speed of 120rpm/min in 120～140 DEG C of scope volumes, quiet heavy 0.8h after cooling, extraction supernatant liquid filtering obtains enzymolysis cellulose polyhydroxy-alcohol liquid standby after falling impurity；
(5) foaming agent is composite: the enzymolysis cellulose polyhydroxy-alcohol liquid mix homogeneously that the aminoacid foaming agent mother solution prepare step 3 and step 4 prepare, cetyl ethyoxyl sulfobetaines, sodium lauryl sulfate is added according still further to above-mentioned mass fraction, heat to 50～60 DEG C, stir, after raw material fully dissolves reaction, it is cooled to room temperature and namely obtains magnesia cement composite foamable agent.
A kind of magnesia cement composite foamable agent prepares the application of foaming magnesite cement.Foaming magnesite cement prepared by this foaming agent, it is possible to the heat conductivity of foaming magnesite cement is greatly reduced, and can improve the properties of foaming magnesite cement.
Relative to prior art, advantages of the present invention is as follows: foam film high resilience, foam stability that 1) foaming of this technical scheme produces are good, and its coefficient of foaming is high, foam is fine and smooth and the magnesia cement compatibility is good, and bleeding quantity is low；2) the foaming agent raw material described in this technical scheme is tanning waste and agricultural by product Testa Tritici, while benefit of creating a favorable environment, has gathered in the crops huge economic worth；3) foaming magnesite cement is prepared with this foaming agent, it is possible to the heat conductivity of foaming magnesite cement is greatly reduced, and the properties of foaming magnesite cement can be improved；4) this technical scheme is to magnesia cement and metal non-corrosiveness, "dead", pollution-free, environmental friendliness；5) this technical scheme is prepared foaming magnesite cement to have consumption few, less costly, it is simple to large-scale popularization and application, provides good technical support for development of new walling.
Detailed description of the invention
According to following embodiment, it is possible to the understanding present invention of replacing.But, as it will be easily appreciated by one skilled in the art that the content described by embodiment is merely to illustrate the present invention, and should without the present invention described in detail in restriction claims.
Embodiment 1～embodiment 5: all the components is according to mass fraction, specific as follows:
The concrete preparation process of embodiment 1 is as follows:
Its preparation process is as described below:
(1) use sample pulverizer that tanning waste is ground into mixture of powders, take the mixture of powders after pulverizing and cross 80 destination party hole sizer screen analysises, make it all through 80 destination party hole sizers by polished for residue on sieve, obtain tanning waste powder；
(2) mass fraction described in embodiment, by tanning waste powder, sodium hydroxide, the mixing of 66 parts of water, adopts blender to stir formation dope with the speed of 60rpm/min standby；
(3) dope that step 2 obtains is put in reactor, add remaining water, 7h is stirred with the speed of 120rpm/min in 100～120 DEG C of scope volumes, quiet heavy 0.5h after cooling, after extraction supernatant liquid filtering falls impurity, with hydrochloric acid, filtrate pH value is adjusted to neutrality, is subsequently heated distillation filtrate 0.5h, obtains aminoacid foaming agent mother solution standby；
(4) in Testa Tritici, add cellulase and isolate appropriate enzymolysis cellulose, according still further to the mass fraction described in embodiment by enzymolysis cellulose, nitric acid, poly-erythrol, ethylene glycol mixing, 2h is stirred with blender with the speed of 120rpm/min in 120～140 DEG C of scope volumes, quiet heavy 0.8h after cooling, extraction supernatant liquid filtering obtains enzymolysis cellulose polyhydroxy-alcohol liquid standby after falling impurity；
(5) foaming agent is composite: the enzymolysis cellulose polyhydroxy-alcohol liquid mix homogeneously that the aminoacid foaming agent mother solution prepare step 3 and step 4 prepare, cetyl ethyoxyl sulfobetaines, sodium lauryl sulfate is added according still further to the mass fraction described in embodiment, heat to 50～60 DEG C, stir, after raw material fully dissolves reaction, it is cooled to room temperature and namely obtains magnesia cement composite foamable agent.
The concrete preparation process of embodiment 2 is as follows:
Its preparation process is as described below:
(1) use sample pulverizer that tanning waste is ground into mixture of powders, take the mixture of powders after pulverizing and cross 80 destination party hole sizer screen analysises, make it all through 80 destination party hole sizers by polished for residue on sieve, obtain tanning waste powder；
(2) mass fraction described in embodiment, by tanning waste powder, sodium hydroxide, the mixing of 117 parts of water, adopts blender to stir formation dope with the speed of 60rpm/min standby；
(3) dope that step 2 obtains is put in reactor, add remaining water, 7h is stirred with the speed of 120rpm/min in 100～120 DEG C of scope volumes, quiet heavy 0.5h after cooling, after extraction supernatant liquid filtering falls impurity, with hydrochloric acid, filtrate pH value is adjusted to neutrality, is subsequently heated distillation filtrate 0.5h, obtains aminoacid foaming agent mother solution standby；
(4) in Testa Tritici, add cellulase and isolate appropriate enzymolysis cellulose, according still further to the mass fraction described in embodiment by enzymolysis cellulose, nitric acid, poly-erythrol, ethylene glycol mixing, 2h is stirred with blender with the speed of 120rpm/min in 120～140 DEG C of scope volumes, quiet heavy 0.8h after cooling, extraction supernatant liquid filtering obtains enzymolysis cellulose polyhydroxy-alcohol liquid standby after falling impurity；
(5) foaming agent is composite: the enzymolysis cellulose polyhydroxy-alcohol liquid mix homogeneously that the aminoacid foaming agent mother solution prepare step 3 and step 4 prepare, cetyl ethyoxyl sulfobetaines, sodium lauryl sulfate is added according still further to the mass fraction described in embodiment, heat to 50～60 DEG C, stir, after raw material fully dissolves reaction, it is cooled to room temperature and namely obtains magnesia cement composite foamable agent.
The concrete preparation process of embodiment 3 is as follows:
Its preparation process is as described below:
(1) use sample pulverizer that tanning waste is ground into mixture of powders, take the mixture of powders after pulverizing and cross 80 destination party hole sizer screen analysises, make it all through 80 destination party hole sizers by polished for residue on sieve, obtain tanning waste powder；
(2) mass fraction described in embodiment, by tanning waste powder, sodium hydroxide, the mixing of 76 parts of water, adopts blender to stir formation dope with the speed of 60rpm/min standby；
(3) dope that step 2 obtains is put in reactor, add remaining water, 7h is stirred with the speed of 120rpm/min in 100～120 DEG C of scope volumes, quiet heavy 0.5h after cooling, after extraction supernatant liquid filtering falls impurity, with hydrochloric acid, filtrate pH value is adjusted to neutrality, is subsequently heated distillation filtrate 0.5h, obtains aminoacid foaming agent mother solution standby；
(4) in Testa Tritici, add cellulase and isolate appropriate enzymolysis cellulose, according still further to the mass fraction described in embodiment by enzymolysis cellulose, nitric acid, poly-erythrol, ethylene glycol mixing, 2h is stirred with blender with the speed of 120rpm/min in 120～140 DEG C of scope volumes, quiet heavy 0.8h after cooling, extraction supernatant liquid filtering obtains enzymolysis cellulose polyhydroxy-alcohol liquid standby after falling impurity；
(5) foaming agent is composite: the enzymolysis cellulose polyhydroxy-alcohol liquid mix homogeneously that the aminoacid foaming agent mother solution prepare step 3 and step 4 prepare, cetyl ethyoxyl sulfobetaines, sodium lauryl sulfate is added according still further to the mass fraction described in embodiment, heat to 50～60 DEG C, stir, after raw material fully dissolves reaction, it is cooled to room temperature and namely obtains magnesia cement composite foamable agent.
The concrete preparation process of embodiment 4 is as follows:
Its preparation process is as described below:
(1) use sample pulverizer that tanning waste is ground into mixture of powders, take the mixture of powders after pulverizing and cross 80 destination party hole sizer screen analysises, make it all through 80 destination party hole sizers by polished for residue on sieve, obtain tanning waste powder；
(2) mass fraction described in embodiment, by tanning waste powder, sodium hydroxide, the mixing of 105 parts of water, adopts blender to stir formation dope with the speed of 60rpm/min standby；
(3) dope that step 2 obtains is put in reactor, add remaining water, 7h is stirred with the speed of 120rpm/min in 100～120 DEG C of scope volumes, quiet heavy 0.5h after cooling, after extraction supernatant liquid filtering falls impurity, with hydrochloric acid, filtrate pH value is adjusted to neutrality, is subsequently heated distillation filtrate 0.5h, obtains aminoacid foaming agent mother solution standby；
(4) in Testa Tritici, add cellulase and isolate appropriate enzymolysis cellulose, according still further to the mass fraction described in embodiment by enzymolysis cellulose, nitric acid, poly-erythrol, ethylene glycol mixing, 2h is stirred with blender with the speed of 120rpm/min in 120～140 DEG C of scope volumes, quiet heavy 0.8h after cooling, extraction supernatant liquid filtering obtains enzymolysis cellulose polyhydroxy-alcohol liquid standby after falling impurity；
(5) foaming agent is composite: the enzymolysis cellulose polyhydroxy-alcohol liquid mix homogeneously that the aminoacid foaming agent mother solution prepare step 3 and step 4 prepare, cetyl ethyoxyl sulfobetaines, sodium lauryl sulfate is added according still further to the mass fraction described in embodiment, heat to 50～60 DEG C, stir, after raw material fully dissolves reaction, it is cooled to room temperature and namely obtains magnesia cement composite foamable agent.
The concrete preparation process of embodiment 5 is as follows:
Its preparation process is as described below:
(1) use sample pulverizer that tanning waste is ground into mixture of powders, take the mixture of powders after pulverizing and cross 80 destination party hole sizer screen analysises, make it all through 80 destination party hole sizers by polished for residue on sieve, obtain tanning waste powder；
(2) mass fraction described in embodiment, by 15 parts of tanning waste powder, sodium hydroxide 4 parts, the mixing of 90 parts of water, adopts blender to stir formation dope with the speed of 60rpm/min standby；
(3) dope that step 2 obtains is put in reactor, add remaining water, 7h is stirred with the speed of 120rpm/min in 100～120 DEG C of scope volumes, quiet heavy 0.5h after cooling, after extraction supernatant liquid filtering falls impurity, with hydrochloric acid, filtrate pH value is adjusted to neutrality, is subsequently heated distillation filtrate 0.5h, obtains aminoacid foaming agent mother solution standby；
(4) in Testa Tritici, add cellulase and isolate appropriate enzymolysis cellulose, according still further to the mass fraction described in embodiment by enzymolysis cellulose, nitric acid, poly-erythrol, ethylene glycol mixing, 2h is stirred with blender with the speed of 120rpm/min in 120～140 DEG C of scope volumes, quiet heavy 0.8h after cooling, extraction supernatant liquid filtering obtains enzymolysis cellulose polyhydroxy-alcohol liquid standby after falling impurity；
(5) foaming agent is composite: the enzymolysis cellulose polyhydroxy-alcohol liquid mix homogeneously that the aminoacid foaming agent mother solution prepare step 3 and step 4 prepare, cetyl ethyoxyl sulfobetaines, sodium lauryl sulfate is added according still further to the mass fraction described in embodiment, heat to 50～60 DEG C, stir, after raw material fully dissolves reaction, it is cooled to room temperature and namely obtains magnesia cement composite foamable agent.
Foam film high resilience, foam stability that the magnesia cement composite foamable agent that the present invention produces produces are good, and its coefficient of foaming is high, foam is fine and smooth and the magnesia cement compatibility is good, the heat conductivity of foaming magnesite cement is greatly reduced, and the properties of foaming magnesite cement can be improved, and the performance comparison such as following table of commercially available common foaming agent:
The performance comparison of magnesia cement composite foamable agent and common foaming agent:
As can be seen from the table, the properties of the foaming agent prepared by the technical program is all markedly superior to foaming agent common on market.
Application example: the magnesia cement composite foamable agent, the commercially available common foaming agent equivalent that embodiment 1～embodiment 5 are prepared are added in magnesia cement, prepare foaming magnesite cement:
Foaming magnesite cement sample controls its design density when preparing be 400kg/m3, magnesium chloride is mixed with water, preparation density is 22.5g/cm3Salt, add stirring after magnesium oxide and obtain the homogeneous mixture of 1000kg, after 20min, prepared magnesia cement composite foamable agent, commercially available common foaming agent are stirred into uniform foam respectively, respectively taking foams accumulated amount is 0.9m3, with slurry mixing and stirring, mould molding, after maintenance in 20 days, the foaming magnesite cement performance of test is shown in following table.
It can be seen that foaming magnesite cement prepared by foaming agent described in the technical program, it is possible to be greatly reduced and send out
The heat conductivity of bubble magnesia cement, and the properties of foaming magnesite cement can be improved.
It should be noted that above-described embodiment is only presently preferred embodiments of the present invention; it is not for limiting protection scope of the present invention; the equivalent replacement made on the basis of the above or replacement belong to protection scope of the present invention, and protection scope of the present invention is as the criterion with claims.
Claims (4)
1. a magnesia cement composite foamable agent, it is characterised in that it is composed as follows, according to mass fraction:
Tanning waste 10～20 parts, 4～10 parts of Testa Tritici, sodium hydroxide 3～6 parts, hydrochloric acid 0.2～0.5 part, 0.2～0.5 part of nitric acid, poly-erythrol 12～18 parts, ethylene glycol 10～16 parts, cellulase 0.3～0.8 part, cetyl ethyoxyl sulfobetaines 1～6 part, sodium lauryl sulfate 1～6 part, 120～180 parts of water；
Its preparation process is as described below:
(1) use sample pulverizer that tanning waste is ground into mixture of powders, take the mixture of powders after pulverizing and cross 80 destination party hole sizer screen analysises, make it all through 80 destination party hole sizers by polished for residue on sieve, obtain tanning waste powder；
(2) according to aforementioned proportion by tanning waste powder, sodium hydroxide, 55～65% water mixing, adopting blender to stir with the speed of 60rpm, to form dope standby；
(3) dope that step 2 obtains is put in reactor, add remaining water, 7h is stirred with the speed of 120rpm in 100～120 DEG C of scope volumes, quiet heavy 0.5h after cooling, after extraction supernatant liquid filtering falls impurity, with hydrochloric acid, filtrate pH value is adjusted to neutrality, is subsequently heated distillation filtrate 0.5h, obtains aminoacid foaming agent mother solution standby；
(4) in Testa Tritici, add cellulase and isolate appropriate enzymolysis cellulose, according still further to aforementioned proportion by enzymolysis cellulose, nitric acid, poly-erythrol, ethylene glycol mixing, 2h is stirred with blender with the speed of 120rpm in 120～140 DEG C of scope volumes, quiet heavy 0.8h after cooling, extraction supernatant liquid filtering obtains enzymolysis cellulose polyhydroxy-alcohol liquid standby after falling impurity；
(5) foaming agent is composite: the enzymolysis cellulose polyhydroxy-alcohol liquid mix homogeneously that the aminoacid foaming agent mother solution prepare step 3 and step 4 prepare, cetyl ethyoxyl sulfobetaines, sodium lauryl sulfate is added according still further to aforementioned proportion, heat to 50～60 DEG C, stir, after raw material fully dissolves reaction, it is cooled to room temperature and namely obtains magnesia cement composite foamable agent.
2. a kind of magnesia cement composite foamable agent according to claim 1, it is characterised in that it is composed as follows, according to mass fraction:
Tanning waste 13～18 parts, 5～8 parts of Testa Tritici, sodium hydroxide 4～5 parts, hydrochloric acid 0.25～0.45 part, 0.25～0.45 part of nitric acid, poly-erythrol 13～17 parts, ethylene glycol 11～15 parts, cellulase 0.4～0.7 part, cetyl ethyoxyl sulfobetaines 2～5 parts, sodium lauryl sulfate 2～5 parts, 130～170 parts of water；
Its preparation process is as described below:
(1) use sample pulverizer that tanning waste is ground into mixture of powders, take the mixture of powders after pulverizing and cross 80 destination party hole sizer screen analysises, make it all through 80 destination party hole sizers by polished for residue on sieve, obtain tanning waste powder；
(2) according to aforementioned proportion by tanning waste powder, sodium hydroxide, 55～65% water mixing, adopting blender to stir with the speed of 60rpm, to form dope standby；
(3) dope that step 2 obtains is put in reactor, add remaining water, 7h is stirred with the speed of 120rpm in 100～120 DEG C of scope volumes, quiet heavy 0.5h after cooling, after extraction supernatant liquid filtering falls impurity, with hydrochloric acid, filtrate pH value is adjusted to neutrality, is subsequently heated distillation filtrate 0.5h, obtains aminoacid foaming agent mother solution standby；
(4) in Testa Tritici, add cellulase and isolate appropriate enzymolysis cellulose, according still further to aforementioned proportion by enzymolysis cellulose, nitric acid, poly-erythrol, ethylene glycol mixing, 2h is stirred with blender with the speed of 120rpm in 120～140 DEG C of scope volumes, quiet heavy 0.8h after cooling, extraction supernatant liquid filtering obtains enzymolysis cellulose polyhydroxy-alcohol liquid standby after falling impurity；
(5) foaming agent is composite: the enzymolysis cellulose polyhydroxy-alcohol liquid mix homogeneously that the aminoacid foaming agent mother solution prepare step 3 and step 4 prepare, cetyl ethyoxyl sulfobetaines, sodium lauryl sulfate is added according still further to aforementioned proportion, heat to 50～60 DEG C, stir, after raw material fully dissolves reaction, it is cooled to room temperature and namely obtains magnesia cement composite foamable agent.
3. a kind of magnesia cement composite foamable agent according to claim 1, it is characterised in that it is composed as follows, according to mass fraction:
Tanning waste 15 parts, 7 parts of Testa Tritici, sodium hydroxide 4 parts, hydrochloric acid 0.3 part, 0.3 part of nitric acid, poly-erythrol 15 parts, ethylene glycol 12 parts, cellulase 0.5 part, cetyl ethyoxyl sulfobetaines 4 parts, sodium lauryl sulfate 4 parts, 150 parts of water；
Its preparation process is as described below:
(1) use sample pulverizer that tanning waste is ground into mixture of powders, take the mixture of powders after pulverizing and cross 80 destination party hole sizer screen analysises, make it all through 80 destination party hole sizers by polished for residue on sieve, obtain tanning waste powder；
(2) according to above-mentioned mass fraction by tanning waste powder, sodium hydroxide, the mixing of 90 parts of water, blender is adopted to stir formation dope with the speed of 60rpm standby；
(3) dope that step 2 obtains is put in reactor, add remaining water, 7h is stirred with the speed of 120rpm in 100～120 DEG C of scope volumes, quiet heavy 0.5h after cooling, after extraction supernatant liquid filtering falls impurity, with hydrochloric acid, filtrate pH value is adjusted to neutrality, is subsequently heated distillation filtrate 0.5h, obtains aminoacid foaming agent mother solution standby；
(4) in Testa Tritici, add cellulase and isolate appropriate enzymolysis cellulose, according still further to above-mentioned mass fraction by enzymolysis cellulose, nitric acid, poly-erythrol, ethylene glycol mixing, 2h is stirred with blender with the speed of 120rpm in 120～140 DEG C of scope volumes, quiet heavy 0.8h after cooling, extraction supernatant liquid filtering obtains enzymolysis cellulose polyhydroxy-alcohol liquid standby after falling impurity；
(5) foaming agent is composite: the enzymolysis cellulose polyhydroxy-alcohol liquid mix homogeneously that the aminoacid foaming agent mother solution prepare step 3 and step 4 prepare, cetyl ethyoxyl sulfobetaines, sodium lauryl sulfate is added according still further to above-mentioned mass fraction, heat to 50～60 DEG C, stir, after raw material fully dissolves reaction, it is cooled to room temperature and namely obtains magnesia cement composite foamable agent.
4. adopt magnesia cement composite foamable agent described in claim 1 or 2 or 3 to prepare the application of foaming magnesite cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410518980.4A CN104310840B (en) | 2014-10-06 | 2014-10-06 | A kind of magnesia cement composite foamable agent |
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| CN201410518980.4A CN104310840B (en) | 2014-10-06 | 2014-10-06 | A kind of magnesia cement composite foamable agent |
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| CN104310840A CN104310840A (en) | 2015-01-28 |
| CN104310840B true CN104310840B (en) | 2016-07-13 |
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| CN201410518980.4A Active CN104310840B (en) | 2014-10-06 | 2014-10-06 | A kind of magnesia cement composite foamable agent |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115308A (en) * | 1994-07-19 | 1996-01-24 | 中国科学院金属研究所 | Magnesite cement foaming material |
| CN101200381A (en) * | 2007-12-20 | 2008-06-18 | 夏勇涛 | Cement foaming agent and preparation technique thereof |
| CN102775182A (en) * | 2012-06-29 | 2012-11-14 | 占协琼 | Foaming agent |
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2014
- 2014-10-06 CN CN201410518980.4A patent/CN104310840B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115308A (en) * | 1994-07-19 | 1996-01-24 | 中国科学院金属研究所 | Magnesite cement foaming material |
| CN101200381A (en) * | 2007-12-20 | 2008-06-18 | 夏勇涛 | Cement foaming agent and preparation technique thereof |
| CN102775182A (en) * | 2012-06-29 | 2012-11-14 | 占协琼 | Foaming agent |
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| CN104310840A (en) | 2015-01-28 |
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Effective date of registration: 20190815 Address after: 215600 Zhangjiagang Economic Development Zone, Suzhou City, Jiangsu Province (No. 9 South North East Road, Yangshe Town) Patentee after: Zhangjiagang Shenggang Environment Fire-Proof Construction Materials Co., Ltd. Address before: 213300 South 9, North East Road, Yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: ZHANGJIAGANG SHENGGANG NEW BUILDING MATERIALS CO., LTD. |