CN112080222B - Environment-friendly multifunctional stabilizer and preparation method thereof - Google Patents
Environment-friendly multifunctional stabilizer and preparation method thereof Download PDFInfo
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- CN112080222B CN112080222B CN202011024333.XA CN202011024333A CN112080222B CN 112080222 B CN112080222 B CN 112080222B CN 202011024333 A CN202011024333 A CN 202011024333A CN 112080222 B CN112080222 B CN 112080222B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J103/00—Adhesives based on starch, amylose or amylopectin or on their derivatives or degradation products
- C09J103/02—Starch; Degradation products thereof, e.g. dextrin
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Compositions Of Macromolecular Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
An environment-friendly multifunctional stabilizer and a preparation method thereof, glucose, dextrin and starch are added into water and stirred evenly to obtain polymerized colloid; and heating the polymerized colloid, and dropwise adding the coupling agent under stirring to obtain the stabilizer. The invention uses coupling agent to make H + in unsaturated hydrocarbon SiO2The method has the advantages that the stable structure of the Si-O tetrahedron is formed through continuous reaction, so that the wear resistance and the flushing resistance of the product are improved, the generated polymerized gel takes water as a dispersion medium and does not contain an organic solvent, the reaction speed is high, and the method is energy-saving and environment-friendly. After the reaction is finished, colloid is generated, and the colloid is nontoxic and harmless, so that the problems of toxicity and harm, long production period, high cost, energy consumption, pollution, inconvenient use and the like of the conventional phenolic resin are solved.
Description
Technical Field
The invention relates to a stabilizer, in particular to an environment-friendly multifunctional stabilizer and a preparation method thereof.
Background
The existing stabilizer has the following defects: high reaction temperature and energy consumption. The structure is complex, a large amount of formaldehyde is needed in the toxic and harmful reaction process to obtain the phenolic aldehyde structure, toxic and harmful substances are discharged in the production and use process, and the phenolic aldehyde structure is invented by German Bakelite which has great harm to the environment and human bodies (provides phenolic resin documents). The environment-friendly multifunctional stabilizer takes plant extracts as raw materials, is nontoxic and harmless, has low reaction temperature and saves energy. No toxic and harmful substances are generated in the production process. The environment-friendly multifunctional material has the advantages of no waste water and waste gas emission, no harm to human bodies, no pollution to the environment, capability of meeting the production requirements of customers, environment-friendly multifunctional material, and no Volatile Organic Compounds (VOC), free formaldehyde, free phenol, benzene, toluene, ethylbenzene, xylene, heavy metals, (soluble lead (Pb), soluble lead (Cd), soluble lead (Cr) and soluble lead (Hg) in the finished product.
The existing phenolic resin as refractory binder is a toxic and harmful substance containing phenol and formaldehyde, and is a benzene ring structure generated by the reaction of formaldehyde and phenol. A large amount of toxic substances, namely free formaldehyde and toxic wastewater containing free phenol are discharged during production, and residual formaldehyde is discharged to cause great harm to human bodies when finished products are used. The reaction structure is as follows:
disclosure of Invention
The invention aims to provide an environment-friendly multifunctional stabilizer.
In order to realize the purpose, the invention adopts the technical scheme that:
a method for preparing environment-friendly multifunctional stabilizer comprises adding glucose, dextrin and starch into water, and stirring to obtain polymerized colloid; and heating the polymerized colloid, and dropwise adding the organic silica sol while stirring to obtain the stabilizer.
A further improvement of the invention is that the heating temperature is 40-80 ℃.
The invention is further improved in that after the dripping is finished, the thickening agent is added to obtain the stabilizing agent.
The invention is further improved in that the thickener accounts for 0.1-0.5% of the mass of the polymer colloid.
A further improvement of the invention is that the thickener is sodium hydroxide.
A further improvement of the invention is that the ratio of glucose: dextrin: starch: the mol ratio of the organic silicon sol is (2-3): (0.5-1.5): (0.5-1.5): (0.01-0.03).
A further development of the invention is that the gel number of the polymeric colloid is from 50 to 80%.
The invention is further improved in that the organic silicon sol accounts for 2-10% of the mass of the polymer colloid.
The further improvement of the invention is that the structural formula of the organic silicon sol is as follows:
a stabilizer prepared based on the method.
Compared with the prior art, the invention has the following beneficial effects: the invention uses organic silicon sol to make H + in unsaturated hydrocarbon SiO2The method has the advantages that the stable structure of the Si-O tetrahedron is formed through continuous reaction, so that the wear resistance and the flushing resistance of the product are improved, the generated polymerized gel takes water as a dispersion medium and does not contain an organic solvent, the reaction speed is high, and the method is energy-saving and environment-friendly. After the reaction is finished, colloid is generated, and the colloid is nontoxic and harmless, so that the problems of toxicity and harm, long production period, high cost, energy consumption, pollution, inconvenient use and the like of the conventional phenolic resin are solved.
Furthermore, compared with the traditional phenolic resin, the adhesive strength of the invention is slightly lower, and a small amount of reinforcing agent can be added when in use. The main component of the reinforcing agent is (SiC) silicon carbide, which can increase the strength of the product, resist abrasion and scouring, and increase the strength of the product by 5Pam when combined with the environment-friendly multifunctional stabilizer.
Drawings
FIG. 1 is a flow chart of the preparation of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The invention provides an environment-friendly nontoxic pure plant extract, which has simple production process, energy saving and environmental protection, solves the problem of toxicity and harm of phenolic resin, and comprises the following reaction steps:
1. plant straw (raw material) → fermentation → enzymolysis → extraction → purification of corn → fermentation → enzymolysis → sterilization → purification of the produced raw material (glucose, dextrin, starch).
2. Qualified raw materials. Polycyclic aromatic hydrocarbons are not contained in the raw materials: phenanthrene (PHE), Anthracene (ANT), Fluoranthene (FLT), Pyrene (PYR), Naphthalene (NAP), benzo (a) anthracene (BaA), Chrysene (CHR), benzo (b) fluoranthene (BbF), benzo (j) fluoranthene (BjF), benzo (k) fluoranthene (BkF), benzo (a) pyrene (BaP), benzo (e) pyrene (BeP), indeno (1, 2, 3-c, d) pyrene (IPY), dibenzo (a, h) anthracene (DBA), benzo (g, h, i) perylene (perylene) (BPE).
The sum of the above 15 polycyclic aromatic hydrocarbons reaches the international standard.
The reaction principle is as follows: according to the principle of compatibility of similar compounds, stable saturated alkane is generated under the action of organic silica sol by utilizing the chemical activity of epoxy groups. The reaction speed is high, the temperature is low, high temperature and high pressure are not needed, and the reaction is safe and stable under normal pressure.
The invention provides a stable structure of hydroxyl-containing silicon oxygen, which is a key reaction for forming an environment-friendly multifunctional stabilizer.
H in the compound is substituted by OH group and SiO2Substitution, formation of
The invention relates to corn, which is prepared from nontoxic and tasteless environment-friendly raw materials of glucose, dextrin and starch through fermentation, enzymolysis, extraction, sterilization and purification. Glucose: the molecular formula is as follows: c6H12O6
Structural formula (xvi):
dextrin: (C)6H10O5)n·H2O
Starch: (C)6H10O5)n
Organic silicon sol: organic silicon sol: the molecular formula is as follows: mSiO2nH2O
Reinforcing agent: NaOH
The invention provides a colloidal emulsion containing silicon hydroxyphenyl, namely an environment-friendly multifunctional stabilizer, which comprises the following raw materials in part by weight:
referring to fig. 1, the preparation method of the stabilizer of the present invention comprises the steps of:
step 1, placing glucose, dextrin and starch which are qualified in inspection into a storage tank.
And 2, adding purified water into the reaction kettle by using a metering pump.
And 3, adding the raw materials in the storage tank into the reaction kettle by using a metering feeder, and uniformly stirring to obtain the polymerized colloid.
And 4, heating the polymerized colloid to 40-80 ℃, dropwise adding the organic silica sol under stirring, forming gel after dropwise adding to obtain the stabilizer, adding a thickening agent (the thickening agent is sodium hydroxide) into the gel if the viscosity does not meet the requirement, stirring to the required viscosity, packaging and warehousing.
Wherein water is used as a dispersion medium.
Glucose: dextrin: starch: the mol ratio of the organic silicon sol is (2-3): (0.5-1.5): (0.5-1.5): 0.01 to 0.03.
The gel value of the polymeric colloid is 50-80%.
Organic silica Sol (SiO)2) Accounting for 2-10% of the mass of the polymer colloid, and the thickening agent accounting for 0.1-0.5% of the mass of the polymer colloid. The structural formula of the organic silica sol is as follows:
example 1
A method for preparing environment-friendly multifunctional stabilizer comprises adding glucose, dextrin and starch into water, and stirring to obtain polymerized colloid; and heating the polymerized colloid to 40 ℃, dropwise adding the organic silica sol under stirring, and adding the thickening agent after dropwise adding to obtain the stabilizing agent.
Wherein the thickening agent accounts for 0.3 percent of the mass of the polymer colloid.
The thickener is sodium hydroxide.
Glucose: dextrin: starch: the mol ratio of the organic silicon sol is 2: 0.5: 1: 0.01.
the gel number of the polymeric colloid was 50%.
The organic silicon sol accounts for 5 percent of the mass of the polymerized colloid.
Example 2
A method for preparing environment-friendly multifunctional stabilizer comprises adding glucose, dextrin and starch into water, and stirring to obtain polymerized colloid; and heating the polymerized colloid to 50 ℃, dropwise adding the organic silica sol under stirring, and adding the thickening agent after dropwise adding to obtain the stabilizing agent.
Wherein the thickening agent accounts for 0.2 percent of the mass of the polymer colloid.
The thickener is sodium hydroxide.
Glucose: dextrin: starch: the mol ratio of the organic silicon sol is 2.5: 1: 0.5: 0.03.
the gel number of the polymerized colloid was 80%.
The organic silicon sol accounts for 2 percent of the mass of the polymerized colloid.
Example 3
A method for preparing environment-friendly multifunctional stabilizer comprises adding glucose, dextrin and starch into water, and stirring to obtain polymerized colloid; and heating the polymerized colloid to 60 ℃, dropwise adding the organic silica sol while stirring, and adding the thickening agent after the dropwise adding is finished to obtain the stabilizing agent.
Wherein the thickening agent accounts for 0.5 percent of the mass of the polymer colloid.
The thickener is sodium hydroxide.
Glucose: dextrin: starch: the mol ratio of the organic silicon sol is 3: 1.5: 1.5: 0.02.
the gel number of the polymeric colloid was 60%.
The organic silicon sol accounts for 8 percent of the mass of the polymerized colloid.
Example 4
A method for preparing environment-friendly multifunctional stabilizer comprises adding glucose, dextrin and starch into water, and stirring to obtain polymerized colloid; and heating the polymerized colloid to 80 ℃, dropwise adding the organic silica sol under stirring, and adding the thickening agent after dropwise adding to obtain the stabilizing agent.
Wherein the thickener accounts for 0.1 percent of the mass of the polymer colloid.
The thickener is sodium hydroxide.
Glucose: dextrin: starch: the mol ratio of the organic silicon sol is 2.5: 1: 1.2: 0.01.
the gel number of the polymeric colloid was 70%.
The organic silicon sol accounts for 7 percent of the mass of the polymerized colloid.
Example 5
A method for preparing environment-friendly multifunctional stabilizer comprises adding glucose, dextrin and starch into water, and stirring to obtain polymerized colloid; and heating the polymerized colloid to 70 ℃, dropwise adding the organic silica sol under stirring, and adding the thickening agent after dropwise adding to obtain the stabilizing agent.
Wherein the thickening agent accounts for 0.4 percent of the mass of the polymer colloid.
The thickener is sodium hydroxide.
Glucose: dextrin: starch: the mol ratio of the organic silicon sol is 2: 1.5: 0.7: 0.02.
the gel number of the polymeric colloid was 65%.
The organic silicon sol accounts for 10 percent of the mass of the polymerized colloid.
The glucose, dextrin and starch are all food-grade raw materials obtained by corn, fermentation, enzymatic sterilization and purification, purified water is used as a medium, and after being heated and dissolved, organic silica sol SiO is added2Formation of a gel, catalytic addition reaction, SiO2Substituted for H of the original chemical structure+The stable structure of Si-O tetrahedron is formed, and the chemical reaction of the whole process is non-toxic, harmless, free of high temperature and high pressure, safe and stable. The finished product is non-toxic and harmless through the inspection of national functional departments, and the detection results of CMA and CNAS are shown in the following table 1:
TABLE 1 test results
Claims (8)
1. A preparation method of an environment-friendly multifunctional stabilizer is characterized in that glucose, dextrin and starch are added into water and stirred uniformly to obtain a polymerized colloid; heating the polymerized colloid, and dropwise adding organic silica sol while stirring to obtain a stabilizer;
the structural formula of the organic silica sol is mSiO2nH2O。
2. The method for preparing the environment-friendly multifunctional stabilizer according to claim 1, wherein the heating temperature is 40-80 ℃.
3. The method for preparing the environment-friendly multifunctional stabilizer as claimed in claim 1, wherein the stabilizer is obtained by adding the thickener after the dripping is finished.
4. The method for preparing the environment-friendly multifunctional stabilizer as claimed in claim 3, wherein the thickener accounts for 0.1-0.5% of the mass of the polymer colloid.
5. The method for preparing the environment-friendly multifunctional stabilizer as claimed in claim 4, wherein the thickener is sodium hydroxide.
6. The method for preparing the environment-friendly multifunctional stabilizer according to claim 1, wherein the ratio of glucose: dextrin: starch: the mol ratio of the organic silicon sol is (2-3): (0.5-1.5): (0.5-1.5): (0.01-0.03).
7. The method for preparing environment-friendly multifunctional stabilizer as claimed in claim 1, wherein the gel value of the polymeric colloid is 50-80%.
8. The method for preparing the environment-friendly multifunctional stabilizer according to claim 1, wherein the organic silica sol accounts for 2-10% of the mass of the polymerized colloid.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195778A (en) * | 2008-01-02 | 2008-06-11 | 西南石油大学 | Production method of natural gas fine purification desulphurizing agent |
| CN106147650A (en) * | 2016-08-10 | 2016-11-23 | 南宁市邦得力木业有限责任公司 | A kind of environment-friendly type based Wood Adhesives |
| CN109022409A (en) * | 2018-08-22 | 2018-12-18 | 江苏邦臣生物科技股份有限公司 | A method of improving enzyme heat stability |
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| US5688845A (en) * | 1996-05-06 | 1997-11-18 | National Starch And Chemical Investment Holding Corporation | High solids, maltodextrin-based adhesives |
| JP4744570B2 (en) * | 2008-08-22 | 2011-08-10 | サイデン化学株式会社 | Method for producing polymer composition |
| CN110055018B (en) * | 2019-04-19 | 2021-01-12 | 浙江蓝星印染有限公司 | Water-resistant water-based adhesive for cloth |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195778A (en) * | 2008-01-02 | 2008-06-11 | 西南石油大学 | Production method of natural gas fine purification desulphurizing agent |
| CN106147650A (en) * | 2016-08-10 | 2016-11-23 | 南宁市邦得力木业有限责任公司 | A kind of environment-friendly type based Wood Adhesives |
| CN109022409A (en) * | 2018-08-22 | 2018-12-18 | 江苏邦臣生物科技股份有限公司 | A method of improving enzyme heat stability |
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