CN107721238B - Plant protein foaming agent and preparation method thereof - Google Patents

Plant protein foaming agent and preparation method thereof Download PDF

Info

Publication number
CN107721238B
CN107721238B CN201710954400.XA CN201710954400A CN107721238B CN 107721238 B CN107721238 B CN 107721238B CN 201710954400 A CN201710954400 A CN 201710954400A CN 107721238 B CN107721238 B CN 107721238B
Authority
CN
China
Prior art keywords
weight
cellulose
vegetable protein
foaming agent
stabilizer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710954400.XA
Other languages
Chinese (zh)
Other versions
CN107721238A (en
Inventor
汪建斌
陈忠平
陈俊霖
马元锦
张凯
詹云霞
李希贤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Shengrui Technology Co Ltd
Original Assignee
Guangdong Shengrui Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Shengrui Technology Co Ltd filed Critical Guangdong Shengrui Technology Co Ltd
Priority to CN201710954400.XA priority Critical patent/CN107721238B/en
Publication of CN107721238A publication Critical patent/CN107721238A/en
Application granted granted Critical
Publication of CN107721238B publication Critical patent/CN107721238B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039Premixtures of ingredients
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24Macromolecular compounds
    • C04B24/38Polysaccharides or derivatives thereof
    • C04B24/383Cellulose or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/42Pore formers

Abstract

The invention relates to a foaming agent, in particular to a vegetable protein foaming agent and a preparation method thereof. The preparation raw materials of the vegetable protein foaming agent at least comprise the following components in parts by weight: plant protein: 1-20 parts by weight, stabilizer: 0.1-1 part by weight of a dispersant: 0.1-1 part by weight of water: 78-98.8 parts by weight; the vegetable protein is any one or mixture of saponin vegetable protein or tea saponin vegetable protein; the dispersant is an anionic surfactant; the stabilizer is any one or more of Arabic gum, cellulose and modified cellulose.

Description

Plant protein foaming agent and preparation method thereof
Technical Field
The invention relates to a foaming agent, in particular to a vegetable protein foaming agent and a preparation method thereof.
Background
In both daily life and industrial production, a large number of various foam products are used, and the purposes of heat insulation, sound insulation, light weight, elasticity increase, shock absorption and the like can be achieved by using the foam products. These foam article properties benefit to some extent from the choice of blowing agent. The foaming agent can reduce the surface tension of liquid and has better foaming performance. It can form closed cells in fluid such as cement paste, asphalt, gypsum paste, etc. under certain conditions, thereby improving its performance. In the aspect of building, the building energy consumption of China is always high, building energy conservation is more and more emphasized, and the organic heat-insulating material is limited in use in the aspect of building due to poor durability, low strength, flammability and easy generation of toxic smoke to cause casualties; the foam concrete prepared by using the foaming agent has the advantages of sound absorption and energy absorption, heat preservation and insulation, fire resistance and earthquake resistance, easy pouring forming and wall adhesion, and is more and more widely applied to the aspect of buildings.
Compared with the first generation rosin foaming agent and the second generation synthetic foaming agent, the protein foaming agent has wide sources and easy degradation, and has no pollution to the environment, so the protein foaming agent is widely applied to the preparation of foam concrete. The protein foaming agent also comprises plant protein and animal protein foaming agents, wherein the animal protein foaming agents are prepared by taking animal keratin as a raw material through a series of chemical reactions, so that the raw material resources are limited, the production and manufacturing process is complex, and secondary pollution can be caused. The vegetable protein foaming agent has the advantages of wide raw material source, low price, environmental friendliness and the like, but the existing vegetable protein foaming agent has poor foaming effect, low foaming multiple, large volume of a single bubble, poor foam stability, high bubble opening rate and high communication rate among foams. A large amount of open-cell bubbles exist in the foam concrete obtained by using the conventional vegetable protein foaming agent, and the pores are communicated, so that the water absorption rate is high, the anti-permeability is poor, the durability of the foam concrete is poor, and the application range of the foam concrete is severely limited. At present, the water repellent and the waterproof agent are mainly added to improve the water absorption and the impermeability of foam concrete, but the compatibility between the additive and the foaming agent is generally poor, and the adverse effects on the stability of foam and the strength of the foam concrete are easily caused.
The plant protein foaming agent provided by the invention has the advantages of high foaming times, good bubble stability and the like, and the foam concrete prepared by using the plant protein foaming agent has low water absorption rate and good impermeability, can be used in the impermeability engineering, and expands the application range of the plant protein foaming agent.
Disclosure of Invention
In order to solve the technical problems, the first aspect of the invention provides a vegetable protein foaming agent, which comprises the following raw materials in parts by weight:
plant protein: 1 to 20 parts by weight of a stabilizer,
a stabilizer: 0.1 to 1 part by weight of a stabilizer,
dispersing agent: 0.1 to 1 part by weight of a stabilizer,
water: 78-98.8 parts by weight;
the vegetable protein is any one or mixture of saponin vegetable protein or tea saponin vegetable protein; the dispersant is an anionic surfactant; the stabilizer is any one or more of Arabic gum, cellulose and modified cellulose.
According to a preferable technical scheme of the invention, the vegetable protein is a mixture of saponin vegetable protein and tea saponin vegetable protein, and the weight ratio of the saponin vegetable protein to the tea saponin vegetable protein is 3: 1-1: 3.
in a preferred embodiment of the present invention, the stabilizer is a mixture of gum arabic, cellulose and modified cellulose, wherein the weight ratio of gum arabic to cellulose to modified cellulose is 2-8: 1-4: 1 to 4.
As a preferable technical scheme of the invention, the modified cellulose is hydrophobic substituent grafted cellulose.
As a preferable technical scheme, the substitution degree of the hydrophobic substituent of the modified cellulose is 1-3.
As a preferred technical solution of the present invention, the preparation method of the modified cellulose at least comprises the following steps:
a. taking long-chain alkyl acyl chloride and cellulose according to the molar ratio of COCl/OH of 0.1-5, selecting long-chain aliphatic hydrocarbon as a solvent, wherein the mass of the solvent is 5-100 times that of the cellulose, and putting the raw materials into a container;
b. controlling the reaction temperature of the system to be 50-200 ℃ and the reaction time to be 3-24 h;
c. after the reaction is finished, cooling, pouring the upper layer solution into a recovery bottle, putting the bottom precipitate into an oven for drying, wherein the drying temperature is 30-120 ℃, and the drying time is 3-15 h, so as to obtain the modified cellulose;
the long-chain alkyl acyl chloride is branched-chain or straight-chain alkyl acyl chloride with 10-18 carbon atoms; the long-chain aliphatic hydrocarbon is a straight-chain or branched-chain aliphatic hydrocarbon with 6-20 carbon atoms.
In a preferred embodiment of the present invention, the cellulose is a mixture of one or more of natural cellulose and cellulose ether.
In a preferred embodiment of the present invention, the cellulose is water-soluble cellulose ether.
In a preferred embodiment of the present invention, the cellulose ether is selected from one or more of methyl cellulose, ethyl cellulose, hydroxymethyl cellulose, hydroxyethyl ethyl cellulose, hydroxypropyl methyl cellulose, and hydroxybutyl cellulose.
In a second aspect of the invention, there is provided a process for preparing a vegetable protein foaming agent, comprising at least the steps of:
a. heating 78-98.8 parts by weight of water to 10-100 ℃;
b. adding 1-20 parts by weight of vegetable protein, and stirring for 5-30 min to uniformly disperse the vegetable protein;
c. and adding 0.1-1 part by weight of stabilizer and 0.1-1 part by weight of dispersant, and stirring for 15-60 min to fully foam, thus obtaining the plant protein foaming agent.
The above-described and other features, aspects, and advantages of the present application will become more apparent with reference to the following detailed description.
The vegetable protein in the vegetable protein foaming agent interacts with the modified hydrophobic cellulose through hydrophobic effect, so that foaming and foam stabilizing capability of a mixed system is obviously improved. The bubbles generated by the invention have uniform bubble diameter, thicker bubble wall, good bubble flexibility, low communication rate among bubbles, long bubble stabilization time, low bubble water content and good compatibility with concrete base materials. The presence of modified hydrophobic fibers in the vegetable protein foaming agent may enhance the hydrophobicity of the foamed concrete. The foam concrete prepared by using the foaming agent has the advantages of excellent product performance, high strength, low water absorption and good anti-permeability.
The vegetable protein foaming agent provided by the invention mainly uses natural plant molecules as raw materials, and is environment-friendly.
Detailed Description
The disclosure may be understood more readily by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification, including definitions, will control.
The term "prepared from …" as used herein is synonymous with "comprising". The terms "comprises," "comprising," "includes," "including," "has," "having," "contains," "containing," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion. For example, a composition, process, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such composition, process, method, article, or apparatus.
The conjunction "consisting of …" excludes any unspecified elements, steps or components. If used in a claim, the phrase is intended to claim as closed, meaning that it does not contain materials other than those described, except for the conventional impurities associated therewith. When the phrase "consisting of …" appears in a clause of the subject matter of the claims rather than immediately after the subject matter, it defines only the elements described in the clause; other elements are not excluded from the claims as a whole.
When an amount, concentration, or other value or parameter is expressed as a range, preferred range, or as a range of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. For example, when a range of "1 to 5" is disclosed, the described range should be interpreted to include the ranges "1 to 4", "1 to 3", "1 to 2 and 4 to 5", "1 to 3 and 5", and the like. When a range of values is described herein, unless otherwise stated, the range is intended to include the endpoints thereof and all integers and fractions within the range.
The singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. "optional" or "any" means that the subsequently described event or events may or may not occur, and that the description includes instances where the event occurs and instances where it does not.
Approximating language, as used herein throughout the specification and claims, is intended to modify a quantity, such that the invention is not limited to the specific quantity, but includes portions that are literally received for modification without substantial change in the basic function to which the invention is related. Accordingly, the use of "about" to modify a numerical value means that the invention is not limited to the precise value. In some instances, the approximating language may correspond to the precision of an instrument for measuring the value. In the present description and claims, range limitations may be combined and/or interchanged, including all sub-ranges contained therein if not otherwise stated.
In addition, the indefinite articles "a" and "an" preceding an element or component of the invention are not intended to limit the number requirement (i.e., the number of occurrences) of the element or component. Thus, "a" or "an" should be read to include one or at least one, and the singular form of an element or component also includes the plural unless the stated number clearly indicates that the singular form is intended.
In order to solve the technical problem, the invention provides a vegetable protein foaming agent, which at least comprises the following components in parts by weight:
plant protein: 1 to 20 parts by weight of a stabilizer,
a stabilizer: 0.1 to 1 part by weight of a stabilizer,
dispersing agent: 0.1 to 1 part by weight of a stabilizer,
water: 78-98.8 parts by weight;
the vegetable protein is selected from saponin vegetable protein or tea saponin vegetable protein; the dispersant is an anionic surfactant; the stabilizer is any one or more of Arabic gum, cellulose and modified cellulose.
In a most preferred embodiment, the vegetable protein foaming agent comprises at least the following components in parts by weight:
plant protein: 5 parts by weight of a reaction product of (B),
a stabilizer: 0.4 part by weight of a stabilizer,
dispersing agent: 0.6 part by weight of a stabilizer,
water: 94 parts by weight;
the vegetable protein is selected from saponin vegetable protein or tea saponin vegetable protein; the dispersant is an anionic surfactant; the stabilizer is selected from one or more of acacia gum, cellulose and modified cellulose.
According to a preferable technical scheme of the invention, the vegetable protein is a mixture of saponin vegetable protein and tea saponin vegetable protein, and the weight ratio of the saponin vegetable protein to the tea saponin vegetable protein is 3: 1-1: 3.
as a preferred technical scheme of the invention, the weight ratio of saponin vegetable protein to tea saponin vegetable protein is 2: 1-1: 2.
in a most preferred embodiment, the saponin plant protein and the tea saponin plant protein are present in a weight ratio of 2: 1.
saponin plant protein
The term "saponin plant protein" refers to a pungent and pungent extract obtained from the fruit of the tree Gleditsia sinensis belonging to the family of perennial arborescens, whose main component is a triterpene saponin, which is a nonionic surfactant. It has very good foaming performance. The triterpene saponin is composed of monosaccharide, glycoside group and aglycone group. The aglycone group is composed of two connected aglycones, and generally, one aglycone can be connected with 3 or more than 3 monosaccharides to form a larger pentacyclic triterpene space structure. The monosaccharide in the monosaccharide group has a plurality of hydroxyl groups which can form hydrogen bonds with water molecules, so that the monosaccharide has strong hydrophilicity, and aglycone in the aglycone group is a hydrophobic group. When the triterpenoid saponin is dissolved in water, macromolecules are adsorbed on a gas-liquid interface to form the directional arrangement of two groups, so that the tension of the gas-liquid interface is reduced, and a new interface is easy to generate. If the solution is mechanically agitated, bubbles are generated, and since the molecular structure of the triterpenoid saponin is large, the formed molecular film is thick, the elasticity and strength of the bubble wall are high, and the bubbles can be kept relatively stable.
Tea saponin plant protein
The term "tea saponin plant protein" refers to an extract obtained from the fruit of a plant of the genus Camellia of the family Theaceae, which is a natural nonionic surfactant with excellent properties, and the main component is saponin. The pure product of the tea saponin plant protein is colorless fine columnar crystals with a melting point of 224 ℃; the product with the saponin content of more than 40 percent is a brownish red oily transparent liquid, and the ph is 7-8. The tea saponin plant protein in the water solution has strong foaming power, and certain foam height is still remained even under the condition of quite low concentration. The purified tea saponin plant protein is bitter in taste, spicy, has certain hemolytic property and fish toxicity, is insoluble in cold water, and is easily soluble in alkaline solution. It is extremely insensitive to water hardness and its foaming power is not affected by the hardness of water.
In a preferred embodiment of the present invention, the stabilizer is a mixture of gum arabic, cellulose and modified cellulose, wherein the weight ratio of gum arabic to cellulose to modified cellulose is 2-8: 1-4: 1 to 4.
According to a preferable technical scheme of the invention, the weight ratio of the gum arabic to the cellulose to the modified cellulose is (2-6): 2-4: 2 to 4.
In a most preferred embodiment, the weight ratio of the gum arabic to the cellulose to the modified fiber is 3: 3: 4.
as a preferable technical scheme of the invention, the modified cellulose is hydrophobic substituent grafted cellulose.
As a preferable technical scheme, the substitution degree of the hydrophobic substituent of the modified cellulose is 1-3.
As a preferable technical scheme, the substitution degree of the hydrophobic substituent of the modified cellulose is 1-2.
The term "degree of substitution" refers to the average number of hydroxyl groups substituted with etherified groups per anhydroglucose unit in the macrocellulose, and the degree of substitution ranges from 0 to 3.
The term "grafting" refers to the reaction of a macromolecular chain with appropriate branches or functional side groups bonded by chemical bonds, and the resulting product is referred to as a graft copolymer. Grafting in the context of the present invention refers to the substitution of hydroxyl groups in the macromolecular chain of cellulose with acid halides, epoxides, anhydrides or isocyanic acids which carry hydrophobic groups.
In the present application, the hydrophobic group is not particularly limited and there may be exemplified: a hydrocarbon group (an alkane group, a cycloalkane group, an aromatic hydrocarbon group), an ester group, a nitro group, a halogen atom, etc.
As a preferred technical solution of the present invention, the preparation method of the modified cellulose at least comprises the following steps:
a. taking long-chain alkyl acyl chloride and cellulose according to the molar ratio of COCl/OH of 0.1-5, selecting long-chain aliphatic hydrocarbon as a solvent, wherein the mass of the solvent is 5-100 times that of the cellulose, and putting the raw materials into a container;
b. controlling the reaction temperature of the system to be 50-200 ℃ and the reaction time to be 3-24 h;
c. after the reaction is finished, cooling, pouring the upper-layer solution into a recovery bottle, putting the bottom precipitate into an oven for drying, wherein the drying temperature is 30-120 ℃, and the drying time is 3-15 h, so as to obtain the modified cellulose;
the long-chain alkyl acyl chloride is branched-chain or straight-chain alkyl acyl chloride with 10-18 carbon atoms; the long-chain aliphatic hydrocarbon is a straight-chain or branched-chain aliphatic hydrocarbon with 6-20 carbon atoms.
As a preferred technical solution of the present invention, the preparation method of the modified cellulose at least comprises the following steps:
a. taking long-chain alkyl acyl chloride and cellulose according to the molar ratio of COCl/OH of 0.5-3, selecting long-chain aliphatic hydrocarbon as a solvent, wherein the mass of the solvent is 10-50 times that of the cellulose, and putting the raw materials into a container;
b. controlling the reaction temperature of the system to be 40-120 ℃ and the reaction time to be 3-12 h;
c. after the reaction is finished, cooling, pouring the upper-layer solution into a recovery bottle, putting the bottom precipitate into an oven for drying, wherein the drying temperature is 30-100 ℃, and the drying time is 3-10 hours, so as to obtain the modified cellulose;
the long-chain alkyl acyl chloride is branched-chain or straight-chain alkyl acyl chloride with 10-18 carbon atoms; the long-chain aliphatic hydrocarbon is a straight-chain or branched-chain aliphatic hydrocarbon with 6-20 carbon atoms.
As a preferred technical solution of the present invention, the preparation method of the modified cellulose at least comprises the following steps:
a. according to the molar ratio of COCl/OH of 2: 1, taking long-chain alkyl acyl chloride and cellulose, selecting long-chain aliphatic hydrocarbon as a solvent, wherein the mass of the solvent is 25 times that of the cellulose, and putting the raw materials into a container;
b. controlling the reaction temperature of the system to be 65 ℃ and the reaction time to be 5 h;
c. after the reaction is finished, cooling, pouring the upper layer solution into a recovery bottle, putting the bottom precipitate into an oven for drying, wherein the drying temperature is 50 ℃, and the drying time is 5 hours, thus obtaining the modified cellulose;
the long-chain alkyl acyl chloride is branched-chain or straight-chain alkyl acyl chloride with 10-18 carbon atoms; the long-chain aliphatic hydrocarbon is a straight-chain or branched-chain aliphatic hydrocarbon with 6-20 carbon atoms.
In a preferred embodiment of the present invention, the cellulose is a mixture of one or more of natural cellulose and cellulose ether.
In the present application, the natural cellulose is not particularly limited and there may be exemplified: reed fibers, corn fibers, sorghum fibers, straw fibers, wheat straw fibers, bamboo fibers, jute fibers, kenaf fibers, flax fibers, sisal fibers, hemp fibers, coir fibers, ramie fibers, abaca fibers, bagasse fibers, kiwi fruit fibers, flax fibers, jute fibers, kenaf fibers, palm fibers, and the like.
Cellulose ethers
The term "cellulose ether" refers to a generic name of various derivatives obtained by alkalization, etherification, purification and drying of natural cellulose as a raw material. Each glucosyl ring in the cellulose macromolecule contains three hydroxyl groups, a primary hydroxyl group on a sixth carbon atom and secondary hydroxyl groups on second and third carbon atoms, and hydrogen in the hydroxyl groups is replaced by hydrocarbon groups to form cellulose ether derivatives. Cellulose molecules have a large amount of intra-chain and inter-chain hydrogen bonds, and the properties are very stable. It is very poorly soluble and is practically insoluble in water and all organic solvents. But ether groups are introduced through etherification reaction, hydrogen bonds in and among cellulose molecules are destroyed, the hydrophilicity of the cellulose is improved, and the solubility and the dispersibility of the cellulose in an aqueous medium are greatly improved.
In the present application, the cellulose ether is not particularly limited and there may be mentioned methyl cellulose, ethyl cellulose, butyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, dihydroxypropyl cellulose, carboxymethyl cellulose, carboxyethyl cellulose, cyanoethyl cellulose, methylhydroxyethyl cellulose, ethylhydroxyethyl cellulose, hydroxypropylmethyl cellulose, carboxymethylhydroxyethyl cellulose, carboxymethylhydroxypropylcellulose, benzyl cellulose, benzylcyanoethyl cellulose, phenyl cellulose and the like.
In a preferred embodiment of the present invention, the cellulose is water-soluble cellulose ether.
In a preferred embodiment of the present invention, the cellulose ether is selected from one or more of methyl cellulose, ethyl cellulose, hydroxymethyl cellulose, hydroxyethyl ethyl cellulose, hydroxypropyl cellulose, dihydroxypropyl cellulose, hydroxypropyl methyl cellulose, carboxymethyl hydroxyethyl cellulose, and hydroxybutyl cellulose.
In the present application, the long-chain alkyl acid chloride is a branched or straight-chain alkyl acid chloride having 10 to 18 carbon atoms, and is not limited thereto, and examples thereof include decanoyl chloride, undecanoyl chloride, dodecanoyl chloride, myristoyl chloride, pentadecanoyl chloride, palmitoyl chloride, and octadecanoyl chloride.
The long-chain aliphatic hydrocarbon is not particularly limited as long-chain or branched aliphatic hydrocarbon having 5 to 20 carbon atoms, and examples thereof include n-hexane, n-heptane, n-octane, n-nonane, n-decane, n-undecane, n-dodecane, n-tridecane, n-tetradecane, n-pentadecane, n-hexadecane, n-heptadecane, n-octadecane, n-nonadecane, n-eicosane, isooctane, isononane, and isodecane.
Anionic surfactant:
the term "anionic surfactant" refers to a partially negatively charged surfactant that functions as a surface active agent upon ionization in water, and structurally divides anionic surfactants into four broad categories, fatty acid salts, sulfonic acid salts, sulfuric acid ester salts, and phosphoric acid ester salts.
As a preferred embodiment of the present invention, the anionic surfactant is selected from: c12-C18Fatty acid salt, C11-C18Alkyl benzene sulfonate, C12-C18Alkyl alkoxy sulfate, α -sodium alkenyl sulfonate, C14-C18A mixture of any one or more of fatty acid methyl ester sulfonates.
As a preferable technical scheme, the anionic surfactant is selected from one or a mixture of more of sodium dodecyl benzene sulfonate, sodium dodecyl diphenyl ether disulfonate, sodium fatty alcohol hydroxyethyl sulfonate, polyoxyethylene alkyl propenyl phenyl ether sulfate, amido polyoxyethylene ether magnesium sulfate, potassium dodecyl phosphate, disodium dodecyl polyoxyethylene ether sulfosuccinate, α -sodium alkenyl sulfonate and sodium cocoyl methyl taurate.
As a preferable technical scheme of the invention, the anionic surfactant is sodium dodecyl benzene sulfonate.
In a second aspect of the invention, there is provided a process for preparing a vegetable protein foaming agent, comprising at least the steps of:
a. heating 78-98.8 parts by weight of water to 10-100 ℃;
b. adding 1-20 parts by weight of vegetable protein, and stirring for 5-30 min to uniformly disperse the vegetable protein;
c. and adding 0.1-1 part by weight of stabilizer and 0.1-1 part by weight of dispersant, and stirring for 15-60 min to fully foam, thus obtaining the plant protein foaming agent.
As a preferred technical scheme of the invention, the method for preparing the vegetable protein foaming agent at least comprises the following steps:
a. heating 94 parts by weight of water to 35 ℃;
b. adding 5 parts by weight of vegetable protein, and stirring for 15min to uniformly disperse the vegetable protein;
c. adding 0.4 weight part of stabilizer and 0.6 weight part of dispersant, stirring for 30min to make it fully foam, and obtaining the plant protein foaming agent.
The inventor finds that the plant protein foaming agent adopts the modified cellulose as the stabilizer, and the hydrophobic chain in the plant protein and the hydrophobic side chain of the modified cellulose have hydrophobic interaction in a mixed system, so that the viscosity of the system is improved, the surface tension is reduced, and the foaming and foam stabilizing capability of the mixed system is obviously improved. The bubble wall of the bubble generated by the invention is thicker, the flexibility of the bubble is good, the water content of the bubble is low, the stabilization time of the bubble is long, and the communication rate among the bubbles is low; and the hydrophobic chains of the modified fibers are dispersed in the concrete, so that the hydrophobicity of the foam concrete can be further enhanced. The foam concrete prepared by using the foaming agent disclosed by the invention has the advantages of excellent product performance, high strength, low water absorption and good impermeability.
The present invention will be specifically described below by way of examples. It should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention, and that the insubstantial modifications and adaptations of the present invention by those skilled in the art based on the above disclosure are still within the scope of the present invention.
In addition, the starting materials used are all commercially available, unless otherwise specified.
Example 1:
embodiment 1 provides a vegetable protein foaming agent, comprising at least the following components in parts by weight:
plant protein: 1 part by weight of a reaction product of (B),
a stabilizer: 0.1 part by weight of a stabilizer, and,
dispersing agent: 0.1 part by weight of a stabilizer, and,
water: 98.8 parts by weight;
the vegetable protein is a mixture of saponin vegetable protein and tea saponin vegetable protein, and the weight ratio of the saponin vegetable protein to the tea saponin vegetable protein is 3: 1; the dispersing agent is sodium dodecyl benzene sulfonate; the stabilizer is gum arabic.
The preparation method of the vegetable protein foaming agent comprises the following steps:
a. heating 98.8 parts by weight of water to 35 ℃;
b. adding 1 weight part of vegetable protein, and stirring for 15min to uniformly disperse the vegetable protein;
c. adding 0.1 weight part of stabilizer and 0.1 weight part of dispersant, stirring for 30min to make it fully foam, and obtaining the plant protein foaming agent.
Mixing the prepared plant protein foaming agent finished product and water according to the ratio of 1: 60 and then foamed with a high-speed foaming machine. The rotating speed is 1500 r/min, and the foam is prepared. The volume weight of the designed foam concrete is 500kg/m3According to the foaming agent: water: cement 0.5: 150: 250, uniformly mixing and stirring, forming by a mould, and naturally curing for 28 days to obtain the foam concrete.
Example 2:
embodiment 2 provides a vegetable protein foaming agent, comprising at least the following components in parts by weight:
plant protein: 20 parts by weight of a non-woven fabric,
a stabilizer: 1 part by weight of a reaction product of (B),
dispersing agent: 1 part by weight of a reaction product of (B),
water: 78 parts by weight;
the vegetable protein is a mixture of saponin vegetable protein and tea saponin vegetable protein, and the weight ratio of the saponin vegetable protein to the tea saponin vegetable protein is 3: 1; the dispersing agent is sodium dodecyl benzene sulfonate; the stabilizer is gum arabic.
The preparation method of the vegetable protein foaming agent comprises the following steps:
a. heating 78 weight parts of water to 35 ℃;
b. adding 20 parts by weight of vegetable protein, and stirring for 15min to uniformly disperse the vegetable protein;
c. adding 1 weight part of stabilizer and 1 weight part of dispersant, stirring for 30min to make it fully foam, and obtaining the plant protein foaming agent.
Mixing the prepared plant protein foaming agent finished product and water according to the ratio of 1: 60 and then foamed with a high-speed foaming machine. The rotating speed is 1500 r/min, and the foam is prepared. The volume weight of the designed foam concrete is 500kg/m3According to the foaming agent: water: cement 0.5: 150: 250, uniformly mixing and stirring, forming by a mould, and naturally curing for 28 days to obtain the foam concrete.
Example 3:
embodiment 3 provides a vegetable protein foaming agent, comprising at least the following components in parts by weight:
plant protein: 5 parts by weight of a reaction product of (B),
a stabilizer: 0.4 part by weight of a stabilizer,
dispersing agent: 0.6 part by weight of a stabilizer,
water: 94 parts by weight;
the vegetable protein is a mixture of saponin vegetable protein and tea saponin vegetable protein, and the weight ratio of the saponin vegetable protein to the tea saponin vegetable protein is 3: 1; the dispersing agent is sodium dodecyl benzene sulfonate; the stabilizer is gum arabic.
The preparation method of the vegetable protein foaming agent comprises the following steps:
a. heating 94 parts by weight of water to 35 ℃;
b. adding 5 parts by weight of vegetable protein, and stirring for 15min to uniformly disperse the vegetable protein;
c. adding 0.4 weight part of stabilizer and 0.6 weight part of dispersant, stirring for 30min to make it fully foam, and obtaining the plant protein foaming agent.
Mixing the prepared plant protein foaming agent finished product and water according to the ratio of 1: 60 and then foamed with a high-speed foaming machine. The rotating speed is 1500 r/min, and the foam is prepared. The volume weight of the designed foam concrete is 500kg/m3According to the foaming agent: water: cement 0.5: 150: 250, uniformly mixing and stirring, forming by a mould, and naturally curing for 28 days to obtain the foam concrete.
Example 4:
embodiment 4 provides a vegetable protein foaming agent comprising at least the following components in parts by weight:
plant protein: 5 parts by weight of a reaction product of (B),
a stabilizer: 0.4 part by weight of a stabilizer,
dispersing agent: 0.6 part by weight of a stabilizer,
water: 94 parts by weight;
the vegetable protein is a mixture of saponin vegetable protein and tea saponin vegetable protein, and the weight ratio of the saponin vegetable protein to the tea saponin vegetable protein is 3: 1; the dispersing agent is sodium dodecyl benzene sulfonate; the stabilizer is natural cellulose directly purchased from chemical reagents of national drug group, Inc., and the product number is 68028362.
The preparation method of the vegetable protein foaming agent comprises the following steps:
a. heating 94 parts by weight of water to 35 ℃;
b. adding 5 parts by weight of vegetable protein, and stirring for 15min to uniformly disperse the vegetable protein;
c. adding 0.4 weight part of stabilizer and 0.6 weight part of dispersant, stirring for 30min to make it fully foam, and obtaining the plant protein foaming agent.
Mixing the prepared plant protein foaming agent finished product and water according to the ratio of 1: 60 and then foamed with a high-speed foaming machine. The rotating speed is 1500 r/min, and the foam is prepared. The volume weight of the designed foam concrete is 500kg/m3According to the foaming agent: water: cement 0.5: 150: 250, uniformly mixing and stirring, forming by a mould, and naturally curing for 28 days to obtain the foam concrete.
Example 5:
embodiment 5 provides a vegetable protein foaming agent comprising at least the following components in parts by weight:
plant protein: 5 parts by weight of a reaction product of (B),
a stabilizer: 0.4 part by weight of a stabilizer,
dispersing agent: 0.6 part by weight of a stabilizer,
water: 94 parts by weight;
the vegetable protein is a mixture of saponin vegetable protein and tea saponin vegetable protein, and the weight ratio of the saponin vegetable protein to the tea saponin vegetable protein is 3: 1; the dispersing agent is sodium dodecyl benzene sulfonate; the stabilizer is water-soluble hydroxypropyl cellulose.
The preparation method of the vegetable protein foaming agent comprises the following steps:
a. heating 94 parts by weight of water to 35 ℃;
b. adding 5 parts by weight of vegetable protein, and stirring for 15min to uniformly disperse the vegetable protein;
c. adding 0.4 weight part of stabilizer and 0.6 weight part of dispersant, stirring for 30min to make it fully foam, and obtaining the plant protein foaming agent.
Mixing the prepared plant protein foaming agent finished product and water according to the ratio of 1: 60 and then foamed with a high-speed foaming machine. The rotating speed is 1500 r/min, and the foam is prepared. The volume weight of the designed foam concrete is 500kg/m3According to the foaming agent: water: cement 0.5: 150: 250, uniformly mixing and stirring, forming by a mould, and naturally curing for 28 days to obtain the foam concrete.
Example 6:
embodiment 6 provides a vegetable protein foaming agent comprising at least the following components in parts by weight:
plant protein: 5 parts by weight of a reaction product of (B),
a stabilizer: 0.4 part by weight of a stabilizer,
dispersing agent: 0.6 part by weight of a stabilizer,
water: 94 parts by weight;
the vegetable protein is a mixture of saponin vegetable protein and tea saponin vegetable protein, and the weight ratio of the saponin vegetable protein to the tea saponin vegetable protein is 2: 1; the dispersing agent is sodium dodecyl benzene sulfonate; the stabilizer is modified cellulose.
The preparation method of the modified cellulose comprises the following steps:
a. according to the molar ratio of COCl/OH of 2: 1 taking hydroxypropyl cellulose and cetyl chloride, selecting n-heptane as a solvent, wherein the mass of the solvent is 25 times that of the cellulose, and putting the raw materials into a container;
b. controlling the reaction temperature of the system to be 65 ℃ and the reaction time to be 5 h;
c. after the reaction is finished, cooling, pouring the upper layer solution into a recovery bottle, putting the bottom precipitate into an oven for drying, wherein the drying temperature is 50 ℃, and the drying time is 5 hours, thus obtaining the modified cellulose;
the preparation method of the vegetable protein foaming agent comprises the following steps:
a. heating 94 parts by weight of water to 35 ℃;
b. adding 5 parts by weight of vegetable protein, and stirring for 15min to uniformly disperse the vegetable protein;
c. adding 0.4 weight part of stabilizer and 0.6 weight part of dispersant, stirring for 30min to make it fully foam, and obtaining the plant protein foaming agent.
Mixing the prepared plant protein foaming agent finished product and water according to the ratio of 1: 60 and then foamed with a high-speed foaming machine. The rotating speed is 1500 r/min, and the foam is prepared. The volume weight of the designed foam concrete is 500kg/m3According to the foaming agent: water: cement 0.5: 150: 250, uniformly mixing and stirring, forming by a mould, and naturally curing for 28 days to obtain the foam concrete.
Example 7:
embodiment 7 provides a vegetable protein foaming agent comprising at least the following components in parts by weight:
plant protein: 5 parts by weight of a reaction product of (B),
a stabilizer: 0.4 part by weight of a stabilizer,
dispersing agent: 0.6 part by weight of a stabilizer,
water: 94 parts by weight;
the vegetable protein is a mixture of saponin vegetable protein and tea saponin vegetable protein, and the weight ratio of the saponin vegetable protein to the tea saponin vegetable protein is 2: 1; the dispersing agent is sodium dodecyl benzene sulfonate; the stabilizer is a mixture of gum arabic, hydroxypropyl cellulose and modified cellulose, and the weight ratio of the gum arabic to the hydroxypropyl cellulose to the modified cellulose is 3: 3: 4.
the preparation method of the modified cellulose comprises the following steps:
a. according to the molar ratio of COCl/OH of 2: 1 taking hydroxypropyl cellulose and cetyl chloride, selecting n-heptane as a solvent, wherein the mass of the solvent is 25 times that of the cellulose, and putting the raw materials into a container;
b. controlling the reaction temperature of the system to be 65 ℃ and the reaction time to be 5 h;
c. after the reaction is finished, cooling, pouring the upper layer solution into a recovery bottle, putting the bottom precipitate into an oven for drying, wherein the drying temperature is 50 ℃, and the drying time is 5 hours, thus obtaining the modified cellulose;
the preparation method of the vegetable protein foaming agent comprises the following steps:
a. heating 94 parts by weight of water to 35 ℃;
b. adding 5 parts by weight of vegetable protein, and stirring for 15min to uniformly disperse the vegetable protein;
c. adding 0.4 weight part of stabilizer and 0.6 weight part of dispersant, stirring for 30min to make it fully foam, and obtaining the plant protein foaming agent.
Mixing the prepared plant protein foaming agent finished product and water according to the ratio of 1: 60 and then foamed with a high-speed foaming machine. The rotating speed is 1500 r/min, and the foam is prepared. The volume weight of the designed foam concrete is 500kg/m3According to the foaming agent: water: cement 0.5: 150: 250, uniformly mixing and stirring, forming by a mould, and naturally curing for 28 days to obtain the foam concrete.
Comparative example 1:
comparative example 1 is the same as example 7 except that the added stabilizer is gum arabic, hydroxypropylcellulose, modified cellulose in a weight ratio of 1: 4: 5.
comparative example 2:
comparative example 2 is the same as example 6 except that the stabilizer added is a mixture of hydroxypropyl cellulose and cetyl chloride.
Comparative example 3:
comparative example 3 is the same as example 6, except that the stabilizer added is sodium methyl silanol which is a high-efficiency water repellent purchased from round drilling and mining technology service Co., Ltd, Hongkong Square, New Tianjin coastal area, and the product batch number is ND-110.
Performance evaluation:
1. method for measuring performance of foaming agent
The performance test of the foaming agent adopts that 10mL of mother solution of the foaming agent is accurately added into a slender cylindrical transparent glass container with the volume of 500mL, then 20mL of distilled water is added, the mixture is shaken up gently, the volume of the original foaming solution at the moment is recorded, then the mixture is oscillated violently until the foam volume is not changed any more, so that the foaming solution in the container is fully foamed, and the recorded foam volume is the foaming volume. And calculating the ratio of the foaming volume to the original foaming liquid volume, namely the foaming times, and using the data as the mark of the foaming capacity of the foaming agent. The foam in the foaming cylinder is statically placed in a natural environment, the stability of the foam is represented by the reduction of the foam volume with time in the natural static environment, and when the foam volume is less than 200mL, the foam is considered to be defoamed.
2. Method for measuring water absorption rate of foam concrete
The dimension of the foam concrete test block is 100 multiplied by 100mm, the temperature of a curing room is 20 +/-1 ℃, the relative humidity is not lower than 90 percent, the foam concrete test block is cured for 48 hours with a mould after being formed, and then the foam concrete test block is demoulded and cured for 28 days, and the water absorption rate of the foam concrete test block is measured.
Soaking the test block naturally maintained for 28 days in water at 20 deg.C for 48h, wiping off water with wet cloth, and immediately weighing G1Then the test block is put into an electric heating drying box, kept at 65 ℃ for 12h, heated to 80 ℃ and dried to balance weight G2The water absorption W is calculated according to the following formula 1:
W=(Gla G2)/G1Equation 1
Table 1 performance characterization test
As can be seen from Table 1, the vegetable protein foaming agent has the advantages of high foaming times, good foam stabilizing performance and the like; the foam concrete using the foaming agent has low water absorption rate and good impermeability, can be applied to impervious engineering, and expands the application range of the vegetable protein type foaming agent.
The foregoing examples are merely illustrative and serve to explain some of the features of the method of the present invention. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.

Claims (6)

1. The vegetable protein foaming agent is characterized by comprising the following raw materials in parts by weight:
plant protein: 1 to 20 parts by weight of a stabilizer,
a stabilizer: 0.1 to 1 part by weight of a stabilizer,
dispersing agent: 0.1 to 1 part by weight of a stabilizer,
water: 78-98.8 parts by weight;
the vegetable protein is a mixture of saponin vegetable protein and tea saponin vegetable protein, and the weight ratio is 2: 1;
the dispersing agent is sodium dodecyl benzene sulfonate;
the stabilizer is a mixture of gum arabic, hydroxypropyl cellulose and modified cellulose, and the weight ratio of the stabilizer to the stabilizer is 3: 3: 4;
the modified cellulose is obtained by grafting a hydrophobic substituent on cellulose;
the degree of substitution of the hydrophobic substituent is 1-3.
2. A plant protein foaming agent according to claim 1, wherein the modified cellulose is prepared by a method comprising the steps of:
a. taking long-chain alkyl acyl chloride and cellulose according to the molar ratio of COCl/OH of 0.1-5, selecting long-chain aliphatic hydrocarbon as a solvent, wherein the mass of the solvent is 5-100 times that of the cellulose, and putting the raw materials into a container;
b. controlling the reaction temperature of the system to be 50-200 ℃ and the reaction time to be 3-24 h;
c. after the reaction is finished, cooling, pouring the upper layer solution into a recovery bottle, putting the bottom precipitate into an oven for drying, wherein the drying temperature is 30-120 ℃, and the drying time is 3-15 h, so as to obtain the modified cellulose;
the long-chain alkyl acyl chloride is branched-chain or straight-chain alkyl acyl chloride with 10-18 carbon atoms;
the long-chain aliphatic hydrocarbon is a straight chain or branched chain aliphatic hydrocarbon with 6-20 carbon atoms.
3. A plant protein foaming agent according to claim 2 wherein the cellulose is a blend of any one or more of natural cellulose or cellulose ethers.
4. A plant protein foaming agent according to claim 3 wherein the cellulose ether is a water soluble cellulose ether.
5. A vegetable protein foaming agent according to claim 4 wherein the cellulose ether is selected from the group consisting of methylcellulose, ethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, hydroxybutylcellulose and mixtures thereof.
6. A method for preparing a plant protein foaming agent according to any one of claims 1 to 5, comprising at least the following steps:
a. heating 78-98.8 parts by weight of water to 10-100 ℃;
b. adding 1-20 parts by weight of vegetable protein, and stirring for 5-30 min to uniformly disperse the vegetable protein;
c. and adding 0.1-1 part by weight of stabilizer and 0.1-1 part by weight of dispersant, and stirring for 15-60 min to fully foam, thus obtaining the plant protein foaming agent.
CN201710954400.XA 2017-10-13 2017-10-13 Plant protein foaming agent and preparation method thereof Active CN107721238B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710954400.XA CN107721238B (en) 2017-10-13 2017-10-13 Plant protein foaming agent and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710954400.XA CN107721238B (en) 2017-10-13 2017-10-13 Plant protein foaming agent and preparation method thereof

Publications (2)

Publication Number Publication Date
CN107721238A CN107721238A (en) 2018-02-23
CN107721238B true CN107721238B (en) 2020-03-31

Family

ID=61211255

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710954400.XA Active CN107721238B (en) 2017-10-13 2017-10-13 Plant protein foaming agent and preparation method thereof

Country Status (1)

Country Link
CN (1) CN107721238B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101058490A (en) * 2007-04-11 2007-10-24 寿延 Egg yolk cement foaming agent and lightweight foaming cement concrete thereof
CN102173644A (en) * 2011-01-27 2011-09-07 西南科技大学 Pea protein concrete foaming agent and preparation method thereof
CN102515827A (en) * 2011-12-08 2012-06-27 天津市裕川环境科技有限公司 Method for preparing light foam concrete by using compound protein foaming agent
CN106280235A (en) * 2016-08-26 2017-01-04 芜湖雪丛林建材有限公司 A kind of thermally-stabilised good phenolic aldehyde thermal insulation material of exterior wall good toughness
CN107056123A (en) * 2017-05-31 2017-08-18 福建江夏学院 A kind of concrete activeness and quietness composite and preparation method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7621995B2 (en) * 2005-09-09 2009-11-24 Jack B. Parson Companies Concrete mixtures having high flowability

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101058490A (en) * 2007-04-11 2007-10-24 寿延 Egg yolk cement foaming agent and lightweight foaming cement concrete thereof
CN102173644A (en) * 2011-01-27 2011-09-07 西南科技大学 Pea protein concrete foaming agent and preparation method thereof
CN102515827A (en) * 2011-12-08 2012-06-27 天津市裕川环境科技有限公司 Method for preparing light foam concrete by using compound protein foaming agent
CN106280235A (en) * 2016-08-26 2017-01-04 芜湖雪丛林建材有限公司 A kind of thermally-stabilised good phenolic aldehyde thermal insulation material of exterior wall good toughness
CN107056123A (en) * 2017-05-31 2017-08-18 福建江夏学院 A kind of concrete activeness and quietness composite and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
改性纤维素类高分子表面活性剂的制备及性能;刘丽仙等;《日用化学工业》;20130228;第43卷(第1期);第1-5页 *

Also Published As

Publication number Publication date
CN107721238A (en) 2018-02-23

Similar Documents

Publication Publication Date Title
CN105669936B (en) A kind of phosphorous anacardol based polyurethanes performed polymer modified phenolic foam plastic and preparation method thereof
Ouyang et al. Physicochemical characterization of calcium lignosulfonate—a potentially useful water reducer
US2627477A (en) Higher alkyl ketene dimer emulsion
CN101203615B (en) Bacterial cellulose-containing formulations and method of producing effective bacterial cellulose-containing formulations
CN104004525B (en) Soil body stabilizing agent
US5382285A (en) Biofoam
CN101575418B (en) Lignin-based high-efficiency water reducing agent with high sulfonation degree and high molecular weight and method for preparing same
US6221152B1 (en) Stable suspension of hydrocolloids
CN104177118B (en) A kind of early-strength composite foam concrete foaming agent and preparation method thereof
CN102226080B (en) Breakdown fluid and preparation method thereof
CN104250386B (en) Preparation method of flame-retardant melamine hard foam
US6117226A (en) Stable suspension of hydrocolloids
CN103275459B (en) Urea resin foam thermal-insulation composite material and preparation method thereof
CN103601524A (en) Fibre reinforced coal ash based geopolymer foam material and preparation method thereof
CN105399395A (en) Gypsum board with air purification function and preparation method thereof
US5242494A (en) Foamable compositions
CN102863193B (en) Ultra-light-weight foam concrete and manufacturing method of same
US20050043206A1 (en) Contaminant-tolerant foaming additive
BRPI0707191A2 (en) method of treatment of an underground formation
CN103910887A (en) Preparation method of organosilicon foam stabilizer applied to single-component polyurethane foam sealing agent
CN102153364B (en) Flame retardant heat-insulation foam concrete and preparation method thereof
CN104448397A (en) In-situ preparation method of cellulose-silicon dioxide composite aerogel
CN102101762B (en) Exposed concrete pumping agent and preparation method thereof
CN105481283A (en) Composite protein foaming agent for foamed concrete, preparation method for composite protein foaming agent and use of composite protein foaming agent
CN103449834B (en) Cement foamed thermal-insulation board and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Vegetable protein foaming agent and preparing method thereof

Effective date of registration: 20200617

Granted publication date: 20200331

Pledgee: Shunde Guangdong rural commercial bank Limited by Share Ltd. Daliang branch

Pledgor: GUANGDONG SHENGRUI TECHNOLOGY Co.,Ltd.

Registration number: Y2020980003164

PE01 Entry into force of the registration of the contract for pledge of patent right