CN102964083A - Modified soy protein foaming agent for concrete - Google Patents

Modified soy protein foaming agent for concrete Download PDF

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Publication number
CN102964083A
CN102964083A CN201210415834XA CN201210415834A CN102964083A CN 102964083 A CN102964083 A CN 102964083A CN 201210415834X A CN201210415834X A CN 201210415834XA CN 201210415834 A CN201210415834 A CN 201210415834A CN 102964083 A CN102964083 A CN 102964083A
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China
Prior art keywords
soy protein
modified soy
concrete
parts
protein
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CN201210415834XA
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Chinese (zh)
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CN102964083B (en
Inventor
王本明
柯勇
艾勇
刘一宁
徐昌军
夏明明
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安徽艾柯泡塑股份有限公司
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Priority to CN201210415834.XA priority Critical patent/CN102964083B/en
Publication of CN102964083A publication Critical patent/CN102964083A/en
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Publication of CN102964083B publication Critical patent/CN102964083B/en

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Abstract

The invention discloses a modified soy protein foaming agent for concrete. The foaming agent consists of the following raw materials, by weight: 10-15 parts of a modified soy protein powder, 1-5 parts of hexadecyl trimethyl ammonium bromide, 1-5 parts of sodium dodecyl benzene sulfonate, 1-3 parts of rhamnolipid, 1-5 parts of Arabia gum, 1-5 parts of carrageenan, 0.1-1 part of hydrogen peroxide, 0.05-0.2 part of protease solution and 100-150 parts of water. The modified soy protein foaming agent for concrete provided by the invention can effectively improve the foaming capacity, foam stability, concrete compatibility, and various performances of the foam concrete, and provide technical support for preparation of novel wall material. The invention has advantages of simple product preparation process, low production cost, simple foaming process, high foaming rate of the foaming agent and good foam stability.

Description

A kind of modified soy protein concrete foamer
Technical field
The present invention relates to a kind of concrete foamer, be specifically related to a kind of modified soy protein concrete foamer.
Background technology
Along with the raising of country to the energy-saving building materials requirement, foamed concrete is subject to paying close attention to more and more widely, and foamed concrete is " close hole " light building material that is contained a large amount of sealed porositys by the inside that cast sclerosis after the main raw material fusion such as cement, lime, flyash, sand and admixture evenly forms.Whipping agent is a key factor of producing foamed concrete, and its performance is directly determining the quality of foamed concrete.The foam that concrete foamer requires to produce wants tiny even, steady time is long, when joining concrete, do not produce on a large scale and break, behind concrete coagulation, can form uniform sealed porosity, just produced thus the cellular concrete product that meets national standard.
In the prior art, concrete foamer is from early stage changing to protein substance gradually as the foaming source take surfactant-based material, the states such as the U.S., Japan, Italy develop multiple efficient protein matter class whipping agent in succession, and demonstrate gradually the advantage of its high stability, obtained larger application.Under the promotion of whipping agent, China has also developed the animal protein foaming agent of the multiple trade mark in succession abroad, and the vegetable-protein whipping agent also begins to occur and apply.China's whipping agent is not ideal enough on the whole, and is on the low side such as quality, function is on the low side, although some foam expansion is enough large, but poor stability, product strength are not high, and limited because of raw material sources, and production cost is high, therefore exploitation is subject to very big restriction with application, can't carry out large-scale promotion.
Summary of the invention
Purpose of the present invention is intended to overcome deficiency of the prior art, take aboundresources and the soybean that easily produces as protein resource, obtain a large amount of, stable foaminess protein, provide a kind of energy Effective Raise foaming power, foamed stability and concrete consistency, the modified soy protein concrete foamer of the properties of Effective Raise foamed concrete.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of modified soy protein concrete foamer is comprised of the raw material of following weight part:
Modified soy protein powder 10-15 part
Cetyl trimethylammonium bromide 1-5 part
Sodium dodecylbenzene sulfonate 1-5 part
Rhamnolipid 1-3 part
Sudan Gum-arabic 1-5 part
Carrageenin 1-5 part
Hydrogen peroxide 0.1-1 part
Protein enzyme solution 0.05-0.2 part
Water 100-150 part.
Described modified soy protein powder is made by following methods: add an amount of distilled water to soybean protein powder, make the suspension of 10-12%, after stirring, place the ice bath device, ultrasonic power 500-600W, ultrasonic time 4-6s, pitch time 4-5s, ultrasonic number of times 150-200 time, namely get soybean protein solution after the cooling, lyophilize, grinding namely get the modified soy protein powder, and 4-5 ℃ saves backup.
The aqueous solution that described protein enzyme solution is mixed into by 0.2-0.3% neutral protease, 0.2-0.3% papoid and 0.05-0.1% stomach en-.
The preparation method of modified soy protein concrete foamer may further comprise the steps:
(1) by formulation ratio modified soy protein powder, protein enzyme solution and water are mixed in the reactor, behind hydrolysis reaction 6-8h under 50-60 ℃ the temperature, the modified soy protein whipping agent mother liquor that makes through the enzyme that goes out, centrifugal, filtration, filtrate being;
(2) in the above-mentioned modified soy protein whipping agent mother liquor that makes, add remaining raw material, heat to 40-50 ℃, stir, after raw material fully dissolves, be cooled to normal temperature and namely get the modified soy protein concrete foamer.
Beneficial effect of the present invention
(1) material source of modified soy protein whipping agent mother liquor was in resourceful soybean during the present invention formed, easily a large amount of acquisitions, and cheap, the feature of environmental protection good, easily realize large-scale industrialized production, obtains a large amount of, stable foaminess soy-protein;
(2) add hydrogen peroxide among the present invention as gas reinforcing agent, can improve the foaming probability, and hydrogen peroxide has certain germicidal action, make the being improved effect of effective service life of whipping agent, the work-ing life of prolongation whipping agent;
(3) modified soy protein concrete foamer of the present invention can the Effective Raise foaming power, foamed stability and concrete consistency, the properties of Effective Raise foamed concrete is for the preparation of novel wall material provides technical support;
(4) product preparation process of the present invention is simple, and production cost is low, and foam process is simple, and the whipping agent blistering rate is high, froth stability is good.
Embodiment
The present invention is further illustrated below in conjunction with embodiment.
Embodiment
The preparation method of modified soy protein concrete foamer may further comprise the steps:
(1) get 12 parts of modified soy protein powder, 0.15 part of protein enzyme solution and 120 parts of water and be mixed in the reactor, behind hydrolysis reaction 8h under 55 ℃ the temperature, the modified soy protein whipping agent mother liquor that makes through the enzyme that goes out, centrifugal, filtration, filtrate being;
(2) in the above-mentioned modified soy protein whipping agent mother liquor that makes, add 4 parts of cetyl trimethylammonium bromides, 3 parts of Sodium dodecylbenzene sulfonatees, 2 parts of rhamnolipids, 2.5 parts of Sudan Gum-arabics, 3 parts of carrageenins, 0.5 part in hydrogen peroxide, heat to 50 ℃, stir, after raw material fully dissolves, be cooled to normal temperature and namely get the modified soy protein concrete foamer.
Wherein, described modified soy protein powder is made by following methods: add an amount of distilled water to soybean protein powder, make 10% suspension, after stirring, place the ice bath device, ultrasonic power 600W, ultrasonic time 5s, pitch time, 5s, ultrasonic number of times 180 times namely got soybean protein solution after the cooling, lyophilize, grinding namely get the modified soy protein powder, and 5 ℃ save backup.
The aqueous solution that described protein enzyme solution is mixed into by 0.2% neutral protease, 0.3% papoid and 0.08% stomach en-.
Foam performance such as the following table of the modified soy protein concrete foamer that present embodiment makes:
The whipping agent that makes is added in the concrete to preparation foamed concrete:
Controlling the design density of newly mixing foamed concrete when the foamed concrete sample prepares is 1000kg/m 3, 425 silicate cement consumption 950kg, water reducer 4.5kg, flyash 260kg, water consumption 200kg stirs.The whipping agent that makes is stirred into uniform foam, and getting the foams accumulated amount is 0.8m 3, with slurry mixing and stirring, mould molding, after maintenance in 28 days, the concrete performance of test sees the following form.
 

Claims (4)

1. a modified soy protein concrete foamer is characterized in that, is comprised of the raw material of following weight part:
Modified soy protein powder 10-15 part
Cetyl trimethylammonium bromide 1-5 part
Sodium dodecylbenzene sulfonate 1-5 part
Rhamnolipid 1-3 part
Sudan Gum-arabic 1-5 part
Carrageenin 1-5 part
Hydrogen peroxide 0.1-1 part
Protein enzyme solution 0.05-0.2 part
Water 100-150 part.
2. modified soy protein concrete foamer according to claim 1, it is characterized in that, described modified soy protein powder is made by following methods: add an amount of distilled water to soybean protein powder, make the suspension of 10-12%, after stirring, place the ice bath device, ultrasonic power 500-600W, ultrasonic time 4-6s, pitch time 4-5s, ultrasonic number of times 150-200 time, namely get soybean protein solution after the cooling, lyophilize, grinding namely get the modified soy protein powder, and 4-5 ℃ saves backup.
3. modified soy protein concrete foamer according to claim 1 is characterized in that, the aqueous solution that described protein enzyme solution is mixed into by 0.2-0.3% neutral protease, 0.2-0.3% papoid and 0.05-0.1% stomach en-.
4. the preparation method of a modified soy protein concrete foamer as claimed in claim 1 is characterized in that, may further comprise the steps:
(1) by formulation ratio modified soy protein powder, protein enzyme solution and water are mixed in the reactor, behind hydrolysis reaction 6-8h under 50-60 ℃ the temperature, the modified soy protein whipping agent mother liquor that makes through the enzyme that goes out, centrifugal, filtration, filtrate being;
(2) in the above-mentioned modified soy protein whipping agent mother liquor that makes, add remaining raw material, heat to 40-50 ℃, stir, after raw material fully dissolves, be cooled to normal temperature and namely get the modified soy protein concrete foamer.
CN201210415834.XA 2012-10-26 2012-10-26 Modified soy protein foaming agent for concrete CN102964083B (en)

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Application Number Priority Date Filing Date Title
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CN102964083B CN102964083B (en) 2014-05-07

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103739225A (en) * 2014-01-07 2014-04-23 苏州市兴邦化学建材有限公司 Chemical concrete foaming agent
CN104402293A (en) * 2014-11-04 2015-03-11 张桂华 Concrete foaming agent
CN104724973A (en) * 2015-03-19 2015-06-24 烟台大学 Preparation method of leather meal cement foaming agent
CN105198484A (en) * 2015-10-29 2015-12-30 郑州航空工业管理学院 Method for preparing cement foaming agent by using fish scales
CN109081627A (en) * 2018-09-29 2018-12-25 东南大学 The method for preparing foaming agent mother liquor using basic protein enzymatic hydrolysis protein

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101386510A (en) * 2007-09-12 2009-03-18 陈泽远 Full slag light heat insulating building materials
CN101591164A (en) * 2008-05-30 2009-12-02 山东理工大学 The preparation method of alumina porous ceramic
CN102173644A (en) * 2011-01-27 2011-09-07 西南科技大学 Pea protein concrete foaming agent and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101386510A (en) * 2007-09-12 2009-03-18 陈泽远 Full slag light heat insulating building materials
CN101591164A (en) * 2008-05-30 2009-12-02 山东理工大学 The preparation method of alumina porous ceramic
CN102173644A (en) * 2011-01-27 2011-09-07 西南科技大学 Pea protein concrete foaming agent and preparation method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103739225A (en) * 2014-01-07 2014-04-23 苏州市兴邦化学建材有限公司 Chemical concrete foaming agent
CN104402293A (en) * 2014-11-04 2015-03-11 张桂华 Concrete foaming agent
CN104724973A (en) * 2015-03-19 2015-06-24 烟台大学 Preparation method of leather meal cement foaming agent
CN104724973B (en) * 2015-03-19 2017-05-31 烟台大学 A kind of preparation method of shavings cement blowing agent
CN105198484A (en) * 2015-10-29 2015-12-30 郑州航空工业管理学院 Method for preparing cement foaming agent by using fish scales
CN109081627A (en) * 2018-09-29 2018-12-25 东南大学 The method for preparing foaming agent mother liquor using basic protein enzymatic hydrolysis protein

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Denomination of invention: Modified soy protein foaming agent for concrete

Effective date of registration: 20161011

Granted publication date: 20140507

Pledgee: Huizhou Merchants Bank Feixi branch

Pledgor: Anhui Aike Ployfoam & Plastic Products Co., Ltd.

Registration number: 2016990000857

Denomination of invention: Modified soy protein foaming agent for concrete

Effective date of registration: 20161011

Granted publication date: 20140507

Pledgee: Huizhou Merchants Bank Feixi branch

Pledgor: Anhui Aike Ployfoam & Plastic Products Co., Ltd.

Registration number: 2016990000857

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Date of cancellation: 20170814

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Pledgee: Huizhou Merchants Bank Feixi branch

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Date of cancellation: 20170814

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Pledgor: Anhui Aike Ployfoam & Plastic Products Co., Ltd.

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Denomination of invention: A modified soybean protein concrete foaming agent

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