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CN112266751A - Corrosion-resistant composite binder, and preparation method and application thereof - Google Patents

Corrosion-resistant composite binder, and preparation method and application thereof Download PDF

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Publication number
CN112266751A
CN112266751A CN202011218897.7A CN202011218897A CN112266751A CN 112266751 A CN112266751 A CN 112266751A CN 202011218897 A CN202011218897 A CN 202011218897A CN 112266751 A CN112266751 A CN 112266751A
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corrosion
composite binder
preparation
polyurethane
resistant composite
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王卫霞
华丽
钟爱民
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Yangzhou Polytechnic Institute
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Yangzhou Polytechnic Institute
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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
    • C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J151/08—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
    • C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
    • C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
    • C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

本案涉及一种耐腐蚀的复合粘结剂、其制备方法和应用，利用异佛尔酮二异氰酸酯和聚醚多元醇制备聚氨酯乳液，与丙烯酸酯类单体和不饱和有机硅单体通过自由基聚合制得聚氨酯‑硅丙复合乳液；随后添加各类助剂熟化后即得复合粘结剂。本案选用羟乙基纤维素为起始剂制备聚醚多元醇，随后与异氰酸酯制备得到聚氨酯，使其具有一定的防水和耐老化性能；丙烯酸酯类单体和不饱和有机硅通过自由基聚合的方式与聚氨酯形成复合乳液，具有更高的稳定性，随后与各类助剂制成复合粘结剂，各助剂有机结合与复合乳液具有显著的协同效应，能够提高材料的耐酸耐碱性和防水性，具有良好的机械性能和耐老化性能，满足海鲜养殖类的玻璃鱼缸的粘接要求。This case relates to a corrosion-resistant composite binder, its preparation method and application. Isophorone diisocyanate and polyether polyol are used to prepare polyurethane emulsion, and acrylate monomers and unsaturated silicone monomers pass through free radicals. Polyurethane-silicone-acrylic composite emulsion is obtained by polymerization; and then various additives are added and cured to obtain composite binder. In this case, hydroxyethyl cellulose is used as the starting agent to prepare polyether polyol, and then isocyanate is used to prepare polyurethane, which has certain waterproof and anti-aging properties; acrylate monomers and unsaturated silicone are polymerized by free radicals It forms a composite emulsion with polyurethane, which has higher stability, and then forms a composite binder with various additives. The organic combination of each additive has a significant synergistic effect with the composite emulsion, which can improve the acid resistance and alkali resistance of the material. Waterproof, has good mechanical properties and aging resistance, and meets the bonding requirements of glass fish tanks for seafood aquaculture.

Description

Corrosion-resistant composite binder, and preparation method and application thereof
Technical Field
The invention relates to the technical field of adhesives, in particular to a corrosion-resistant composite adhesive, and a preparation method and application thereof.
Background
The commercial aquarium products are generally made of a plurality of pieces of glass or ceramic tiles which are spliced by adhesives, such as cultivation fish tanks, and transparent glass is generally used for satisfying the ornamental value. On one hand, the traditional adhesive is easy to corrode due to water, acid, alkali and the like, so that the defects of aging, dry cracking, deformation and the like are caused; on the other hand, with the rapid development of the scientific and technological era, the industrialization and population densification bring convenience and bring serious environmental pollution, so the concept of green and environmental protection is more and more emphasized by people, and the development of green and pollution-free binders becomes a necessary trend.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a green and environment-friendly binder which has good bonding performance and can be applied to the manufacture of seafood cultivation fish tanks.
In order to achieve the purpose, the invention provides the following technical scheme:
the preparation method of the corrosion-resistant composite binder comprises the following steps:
s1: adding isophorone diisocyanate and polyether polyol into a reaction bottle, heating to 70-80 ℃, stirring for 60min, adding 1, 4-butanediol in batches, and reacting for 3-4h under heat preservation;
s2: after the reaction is finished, cooling at room temperature, dropwise adding triethylamine to perform a neutralization reaction, continuing the reaction for 30min, and then dropwise adding deionized water to emulsify;
s3: adding an acrylate monomer and an unsaturated organic silicon monomer after emulsification is finished, swelling, heating to 80 ℃, blowing nitrogen, slowly dropwise adding sodium persulfate, reacting for 2 hours under heat preservation after dropwise adding is finished, cooling, and discharging to obtain a polyurethane-silicone-acrylic composite emulsion;
s4: adding an anti-hydrolysis agent, a defoaming agent, an antioxidant and a filler into the polyurethane-silicone-acrylic composite emulsion, uniformly stirring, and curing at the temperature of 100-110 ℃ for 2-3h to obtain the composite binder.
Further, the polyether polyol is synthesized by catalyzing Propylene Oxide (PO) by using hydroxyethyl cellulose (HEC) as a starter and double metal cyanide as a catalyst (DMC).
Further, the acrylic ester monomer is selected from one or more of methyl acrylate, butyl acrylate, glycerol methacrylate and hydroxyethyl methacrylate.
Further, the unsaturated organic silicon monomer is selected from one of vinyl trimethoxy silane, methacryloxypropyl trimethoxy silane and allyl trimethoxy silane.
Further, the molar ratio of the isophorone diisocyanate to the polyether polyol to the 1, 4-butanediol to the acrylate monomer to the unsaturated organic silicon monomer is 6:2: 2-4: 5: 5.
Further, the defoaming agent is a polysiloxane defoaming agent; the antioxidant is tea polyphenol; the corrosion resistant agent is sodium chromate; the filler is formed by mixing silicon carbide and manganese sesquioxide according to the mass ratio of 1: 1.
Further, the weight parts of the defoaming agent, the antioxidant, the corrosion resistant agent and the filler are respectively 5-10%, 2-7%, 3-8% and 12-18% of the polyurethane-silicone-acrylic composite emulsion.
A corrosion-resistant composite binder prepared by the preparation method of any one of the above.
The invention further provides application of the corrosion-resistant composite binder, and the corrosion-resistant composite binder is preferably applied to bonding of seafood cultivation glass fish tanks.
Compared with the prior art, the invention has the beneficial effects that: cellulose is a polysaccharide which is most widely distributed and contained in nature, and has a molecular structure containing a large amount of active hydrogen and excellent chemical properties. According to the scheme, hydroxyethyl cellulose is selected as an initiator to prepare polyether polyol, and then the polyether polyol and isocyanate are used to prepare polyurethane, so that the polyurethane has certain waterproof and anti-aging properties, and the preparation process is environment-friendly and pollution-free. The acrylate monomer and the unsaturated organic silicon form composite emulsion with polyurethane in a free radical polymerization mode, the emulsion has higher stability, and then the emulsion and various additives are prepared into composite binder, and the organic combination of the various additives and the composite emulsion has obvious synergistic effect, can improve the acid resistance, alkali resistance and water resistance of the material, has good mechanical property and aging resistance, and can meet the bonding requirement of the glass fish tank for seafood cultivation.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1:
s1: adding 1mol of isophorone diisocyanate and 0.33mol of polyether polyol into a reaction bottle, heating to 70-80 ℃, stirring for 60min, adding 0.4mol of 1, 4-butanediol in batches, and reacting for 3-4h under heat preservation;
s2: after the reaction is finished, cooling at room temperature, dropwise adding triethylamine to perform a neutralization reaction, continuing the reaction for 30min, and then dropwise adding deionized water to emulsify;
s3: after emulsification, adding 0.4mol of methyl acrylate, 0.4mol of hydroxyethyl methacrylate and 0.083mol of vinyltrimethoxysilane, swelling, heating to 80 ℃, blowing nitrogen, slowly dropwise adding sodium persulfate, keeping the temperature for reaction for 2 hours after dropwise addition is finished, cooling, and discharging to obtain the polyurethane-silicone-acrylic composite emulsion;
s4: taking 10g of the polyurethane-silicone-acrylic composite emulsion, adding 0.5g of defoaming agent, 0.2g of antioxidant, 0.3g of corrosion resistant agent and 1.2g of filler into the polyurethane-silicone-acrylic composite emulsion, uniformly stirring, and curing at the temperature of 100 ℃ and 110 ℃ for 2-3h to obtain the composite binder.
Example 2:
s1: adding 1mol of isophorone diisocyanate and 0.33mol of polyether polyol into a reaction bottle, heating to 70-80 ℃, stirring for 60min, adding 0.4mol of 1, 4-butanediol in batches, and reacting for 3-4h under heat preservation;
s2: after the reaction is finished, cooling at room temperature, dropwise adding triethylamine to perform a neutralization reaction, continuing the reaction for 30min, and then dropwise adding deionized water to emulsify;
s3: after emulsification, adding 0.3mol of butyl acrylate, 0.52mol of glycerol methacrylate and 0.8mol of methacryloxypropyl trimethoxysilane, swelling, heating to 80 ℃, blowing nitrogen, slowly dropwise adding sodium persulfate, after dropwise addition, carrying out heat preservation reaction for 2 hours, cooling, and discharging to obtain the polyurethane-silicone-acrylic composite emulsion;
s4: taking 10g of the polyurethane-silicone-acrylic composite emulsion, adding 0.6g of defoaming agent, 0.3g of antioxidant, 0.4g of corrosion resistant agent and 1.3g of filler into the polyurethane-silicone-acrylic composite emulsion, uniformly stirring, and curing at the temperature of 100 ℃ and 110 ℃ for 2-3h to obtain the composite binder.
Example 3:
s1: adding 1mol of isophorone diisocyanate and 0.33mol of polyether polyol into a reaction bottle, heating to 70-80 ℃, stirring for 60min, adding 0.4mol of 1, 4-butanediol in batches, and reacting for 3-4h under heat preservation;
s2: after the reaction is finished, cooling at room temperature, dropwise adding triethylamine to perform a neutralization reaction, continuing the reaction for 30min, and then dropwise adding deionized water to emulsify;
s3: after emulsification, adding 0.2mol of methyl acrylate, 0.2mol of butyl acrylate, 0.41mol of glycerol methacrylate and 0.82mol of allyltrimethoxysilane, swelling, heating to 80 ℃, blowing nitrogen, slowly dropwise adding sodium persulfate, after dropwise adding, carrying out heat preservation reaction for 2 hours, cooling, and discharging to obtain the polyurethane-silicone-acrylic composite emulsion;
s4: taking 10g of the polyurethane-silicone-acrylic composite emulsion, adding 0.6g of defoaming agent, 0.5g of antioxidant, 0.8g of corrosion resistant agent and 1.6g of filler into the polyurethane-silicone-acrylic composite emulsion, uniformly stirring, and curing at the temperature of 100 ℃ and 110 ℃ for 2-3h to obtain the composite binder.
Comparative example 1:
s1: adding 1mol of isophorone diisocyanate and 0.33mol of polyether polyol into a reaction bottle, heating to 70-80 ℃, stirring for 60min, adding 0.4mol of 1, 4-butanediol in batches, and reacting for 3-4h under heat preservation;
s2: after the reaction is finished, cooling at room temperature, dropwise adding triethylamine to perform a neutralization reaction, continuing the reaction for 30min, and then dropwise adding deionized water to emulsify;
s3: taking 5g of emulsified polyurethane emulsion, adding 0.5g of silicone-acrylic emulsion, adding 0.6g of defoaming agent, 0.3g of antioxidant, 0.4g of corrosion resistant agent and 1.3g of filler, uniformly stirring, and curing at the temperature of 100-110 ℃ for 2-3h to obtain the composite binder.
Comparative example 2:
s1: adding 1mol of isophorone diisocyanate and 0.33mol of polycarbonate diol with the molecular weight of 1000g/mol into a reaction bottle, heating to 70-80 ℃, stirring for 60min, adding 0.4mol of 1, 4-butanediol in batches, and reacting for 3-4h under heat preservation;
s2: after the reaction is finished, cooling at room temperature, dropwise adding triethylamine to perform a neutralization reaction, continuing the reaction for 30min, and then dropwise adding deionized water to emulsify;
s3: taking 5g of emulsified polyurethane emulsion, adding 0.5g of silicone-acrylic emulsion, adding 0.6g of defoaming agent, 0.3g of antioxidant, 0.4g of corrosion resistant agent and 1.3g of filler, uniformly stirring, and curing at the temperature of 100-110 ℃ for 2-3h to obtain the composite binder.
The preparation processes of the polyether polyols in examples 1-3 and comparative examples 1-2 are as follows: placing 5g of HEC and DMC in a small steel cylinder at room temperature, vacuum-drying the HEC and DMC for 2h at 60 ℃, cooling, filling nitrogen and exhausting air, injecting 18g of PO into the steel cylinder, reacting for 2h at 120 ℃, and removing unreacted monomers in vacuum after the reaction is finished to obtain polyether polyol.
The defoaming agent is polysiloxane defoaming agent; the antioxidant is tea polyphenol; the corrosion resistant agent is sodium chromate; the filler is formed by mixing silicon carbide and manganese sesquioxide according to the mass ratio of 1: 1.
The (composite) emulsions of examples 1 to 3 were subjected to the performance test, and the results are shown in Table 1.
TABLE 1
Appearance of the emulsion Emulsion stability viscosity/Pa.s
Example 1 Transparent blue-emitting light Good taste 223.5
Example 2 Transparent blue-emitting light Good taste 230.1
Example 3 Transparent blue-emitting light Good taste 261.3
Comparative example 1 Milky white Is poor 153.3
Comparative example 2 Milky white Difference (D) 105.5
The results of various performance tests on the binder with reference to JC/T547-2005 are shown in Table 2.
TABLE 2
Figure BDA0002761372550000061
As can be seen from the data in tables 1 and 2, examples 1 to 3 all exhibited excellent emulsion stability, and the composite binder prepared using the polyurethane-silicone-acrylic composite emulsion had excellent tensile adhesive strength, water resistance, and acid and alkali resistance. Comparative example 1 is that the stability of the mixture of the commercially available silicone-acrylic emulsion added directly after the polyurethane is emulsified and the polyurethane is poor, so that the performance in all aspects is reduced; in comparative example 2, the polyether polyol is replaced by the common polycarbonate diol on the basis of comparative example 1, and all performances of the polyurethane adhesive prepared by the polyether polyol are weakened.
While embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications may readily be effected by those skilled in the art, so that the invention is not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.

Claims (9)

1.一种耐腐蚀的复合粘结剂的制备方法，其特征在于，包括如下步骤：1. a preparation method of a corrosion-resistant composite binder, is characterized in that, comprises the steps: S1：将异佛尔酮二异氰酸酯、聚醚多元醇加入到反应瓶中，升温至70-80℃搅拌60min，分批次添加1,4-丁二醇，保温反应3-4h；S1: Add isophorone diisocyanate and polyether polyol into the reaction flask, heat up to 70-80°C and stir for 60min, add 1,4-butanediol in batches, and keep the temperature for 3-4h; S2：反应完后室温冷却，逐滴滴加三乙胺进行中和反应，继续反应30min，随后滴加去离子水乳化；S2: cooling at room temperature after completion of the reaction, dropwise adding triethylamine for neutralization reaction, continuing the reaction for 30min, and then adding deionized water for emulsification; S3：乳化完成后加入丙烯酸酯类单体和不饱和有机硅单体，溶胀，升温至80℃，鼓吹氮气，并缓慢滴加过硫酸钠，滴加完毕后保温反应2h，降温、出料，即得聚氨酯-硅丙复合乳液；S3: After the emulsification is completed, add acrylate monomers and unsaturated silicone monomers, swell, heat up to 80°C, blow nitrogen, and slowly add sodium persulfate dropwise, keep the reaction for 2h after the dropwise addition, cool down, discharge, That is, the polyurethane-silicone-acrylic composite emulsion is obtained; S4：在所述聚氨酯-硅丙复合乳液中添加消泡剂、抗氧化剂、耐腐蚀剂和填料搅拌均匀，在100-110℃下熟化2-3h，即得复合粘结剂。S4: Add defoamer, antioxidant, anti-corrosion agent and filler to the polyurethane-silicone-acrylic composite emulsion, stir evenly, and age at 100-110° C. for 2-3 hours to obtain a composite binder. 2.根据权利要求1所述的耐腐蚀的复合粘结剂的制备方法，其特征在于，所述聚醚多元醇由以羟乙基纤维素为起始剂，双金属氰化物为催化剂，催化环氧丙烷合成。2. the preparation method of the corrosion-resistant composite binder according to claim 1, is characterized in that, described polyether polyol is started by taking hydroxyethyl cellulose, double metal cyanide is catalyzer, catalyzed Propylene oxide synthesis. 3.根据权利要求1所述的耐腐蚀的复合粘结剂的制备方法，其特征在于，所述丙烯酸酯类单体选自丙烯酸甲酯、丙烯酸丁酯、甲基丙烯酸甘油酯、甲基丙烯酸羟乙酯中的一种或多种。3. the preparation method of the corrosion-resistant composite binder according to claim 1, is characterized in that, described acrylate monomer is selected from methyl acrylate, butyl acrylate, glyceryl methacrylate, methacrylic acid One or more of hydroxyethyl esters. 4.根据权利要求1所述的耐腐蚀的复合粘结剂的制备方法，其特征在于，所述不饱和有机硅单体选自乙烯基三甲氧基硅烷、甲基丙烯酰氧丙基三甲氧基硅烷、烯丙基三甲氧基硅烷中的一种。4. The preparation method of the corrosion-resistant composite binder according to claim 1, wherein the unsaturated organosilicon monomer is selected from vinyltrimethoxysilane, methacryloyloxypropyltrimethoxysilane One of alkoxysilane and allyltrimethoxysilane. 5.根据权利要求1所述的耐腐蚀的复合粘结剂的制备方法，其特征在于，所述异佛尔酮二异氰酸酯、聚醚多元醇、1,4-丁二醇、丙烯酸酯类单体、不饱和有机硅单体的摩尔比为6:2:2～4:5:5。5. The preparation method of the corrosion-resistant composite binder according to claim 1, wherein the isophorone diisocyanate, polyether polyol, 1,4-butanediol, acrylate monoacrylate The molar ratio of monomer and unsaturated silicone monomer is 6:2:2～4:5:5. 6.根据权利要求1所述的耐腐蚀的复合粘结剂的制备方法，其特征在于，所述消泡剂为聚硅氧烷类消泡剂；所述抗氧化剂为茶多酚；所述耐腐蚀剂为铬酸钠；所述填料为碳化硅和三氧化二锰按照1:1的质量比混合而成。6 . The preparation method of the corrosion-resistant composite binder according to claim 1 , wherein the defoamer is a polysiloxane defoamer; the antioxidant is tea polyphenol; the The corrosion-resistant agent is sodium chromate; the filler is made of silicon carbide and manganese trioxide mixed in a mass ratio of 1:1. 7.根据权利要求1所述的耐腐蚀的复合粘结剂的制备方法，其特征在于，所述消泡剂、抗氧化剂、耐腐蚀剂和填料的重量份分别为所述聚氨酯-硅丙复合乳液的5～10％、2～7％、3～8％、12～18％。7. the preparation method of the corrosion-resistant composite binder according to claim 1, is characterized in that, the weight parts of described defoamer, antioxidant, anticorrosion agent and filler are respectively described polyurethane-silicon acrylic composite emulsion 5~10%, 2~7%, 3~8%, 12~18%. 8.一种如权利要求1-7所述的制备方法制得的耐腐蚀的复合粘结剂。8. A corrosion-resistant composite binder prepared by the preparation method of claims 1-7. 9.一种如权利要求8所述的耐腐蚀的复合粘结剂的应用，其特征在于，应用于海鲜养殖类的玻璃鱼缸的粘接。9. An application of the corrosion-resistant composite binder according to claim 8, characterized in that, it is applied to the bonding of glass fish tanks of seafood aquaculture.
CN202011218897.7A 2020-11-04 2020-11-04 Corrosion-resistant composite binder, and preparation method and application thereof Pending CN112266751A (en)

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