CN110272702B - Special glue for concrete assembled bridge and preparation method thereof - Google Patents

Special glue for concrete assembled bridge and preparation method thereof Download PDF

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Publication number
CN110272702B
CN110272702B CN201910630711.XA CN201910630711A CN110272702B CN 110272702 B CN110272702 B CN 110272702B CN 201910630711 A CN201910630711 A CN 201910630711A CN 110272702 B CN110272702 B CN 110272702B
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component
structural adhesive
epoxy
epoxy structural
adhesive
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CN110272702A (en
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岳迎九
郭志贤
杨少军
吴延伟
高明昌
刘琛
郭志铅
纪刚
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Hebei Jinkun Engineering Material Co ltd
China Railway First Survey and Design Institute Group Ltd
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Hebei Jinkun Engineering Material Co ltd
China Railway First Survey and Design Institute Group Ltd
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    • 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
    • C08G18/80—Masked polyisocyanates
    • C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
    • C08G18/8093—Compounds containing active methylene groups
    • 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
    • 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
    • C09J11/08—Macromolecular additives
    • 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
    • C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Epoxy Resins (AREA)
  • Sealing Material Composition (AREA)

Abstract

The invention discloses a two-component epoxy structural adhesive and application thereof, comprising a component A containing epoxy resin and a component B containing polyamine epoxy curing agent, wherein the component A and the component B are mixed to form an adhesive for splicing and sealing, the component A also comprises blocked isocyanate prepared by the reaction of a compound of a formula (1) and isocyanate,

Description

Special glue for concrete assembled bridge and preparation method thereof
Technical Field
The invention belongs to the field of building materials, and particularly relates to splicing and sealing of prefabricated components such as concrete segmental beams, prefabricated pier bodies, large tubular piles, duct pieces and the like, and particularly relates to a two-component epoxy structural adhesive and an application method thereof.
Background
The construction of the present building field, such as the construction of bridges, is developing towards prefabrication, factory production and large-scale, the construction of bridges by splicing prefabricated sections or members is a construction method which is widely popularized in the construction of the present bridges, and the construction method has the advantages of high construction speed, small construction occupied area, small shrinkage and creep of box girder concrete, small linear change of a girder body after completion and the like; when the adjacent sections are matched for construction, structural adhesive needs to be coated on the surface of the box girder, and the quality of the performance of the structural adhesive directly determines the construction quality to a certain extent.
One of the properties of the structural adhesive is required to have excellent anti-sagging property. At present, the anti-sagging agent (also called thixotropic agent) is directly added into the raw materials, and the commonly used anti-sagging agent comprises fumed silica, nano calcium carbonate and resin with a polyurea structure, however, fumed silica and nano calcium carbonate both cause environmental pollution when added, common mixing equipment cannot be uniformly mixed, expensive planetary stirring devices are needed for mixing, material loss is large in the production process, and when the paste adhesive with thixotropy is used for field construction and batching, the common electric stirrer is difficult to uniformly mix, for example, Chinese invention patents CN106987222A and CN108300393A and the like. Although some polyurea anti-sagging agents, such as the hyperbranched polyurea anti-sagging agent disclosed in CN106590376B, can solve the problem of pollution in production workshops and improve production efficiency, the same problem is that it is impossible to mix the materials of two thixotropic components at the construction site, and further, because uniform mixing cannot be achieved, the mechanical properties and the service life of the structural adhesive are inevitably adversely affected.
Therefore, a means for solving the above problems is urgently sought by those skilled in the art.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provide the two-component epoxy structural adhesive which is suitable for site construction and can realize uniform mixing by adopting a conventional mixing device.
The invention also provides an application method of the double-component epoxy structural adhesive.
In order to solve the technical problems, the invention adopts a technical scheme as follows: a two-component epoxy structural adhesive comprises a component A and a component B, wherein the component A comprises epoxy resin, the component B comprises polyamine epoxy curing agent, the component A and the component B are mixed to form a paste adhesive for splicing and sealing, the component A also comprises blocked isocyanate, and the blocked isocyanate is prepared by the reaction of a compound of a formula (1) and isocyanate;
Figure 363537DEST_PATH_IMAGE001
(1) wherein R is1、R2Each independently selected from hydrocarbyl, hydrocarbyloxy, hydrocarbylmercapto, hydrocarbylcarbonyl, hydrocarbyloxycarbonyl, hydrocarbylsulfinyl, cycloalkyl, cycloalkoxy, cycloalkylmercapto, cycloalkylcarbonyl, heterocycloalkyl, heterocycloalkoxy, heterocycloalkylthio, heterocycloalkylcarbonyl, aryl, aryloxy, aryloxyalkyl, arylmercapto, arylcarbonyl, hydrocarbyl sulfone, cycloalkylsulfone, or arylsulfone;
the component A and the component B are respectively in a flowing liquid state at normal temperature, and a time interval of at least 3min is formed between the time when the component A and the component B are mixed and the time when a non-flowing paste-like glue (namely the paste-like glue with thixotropy and used for splicing and sealing) which can be used for splicing and sealing is formed.
In the invention, the normal temperature is also called as the common temperature or room temperature, and is generally 25 +/-10 ℃. The flowing liquid is the liquid with flowing performance and has better self-leveling property.
According to some preferred aspects of the invention, R is1、R2The carbon number of the component is 1-20; more preferably, R is1、R2The carbon number of the carbon atoms is 1-10.
According to some specific and preferred aspects of the invention, R is1、R2Are each independently selected from C1-6Hydrocarbyl radical, C1-6Hydrocarbyloxy, C1-6Mercapto group of hydrocarbon, C1-6Hydrocarbyl carbonyl group, C1-6Hydrocarbyloxycarbonyl radical, C1-6Alkyl sulfinyl, C3-6Cycloalkyl radical, C3-6Cycloalkoxy, C3-6Cycloalkanemercapto group, C3-6Cycloalkanecarbonyl group, C4-8Heterocycloalkyl radical, C4-8Heterocyclic alkoxy radical, C4-8Heterocycloalkylmercapto group, C4-8Heterocycloalkylcarbonyl radical, C5-10Aryl radical, C5-10Aryloxy radical, C5-10Aryloxy hydrocarbyl group, C5-10Aromatic mercapto group, C5-10Aryl carbonyl group, C1-6Hydrocarbyl sulfone group, C3-6Cycloalkyl sulfone group or C5-10An aryl sulfone group.
In some preferred embodiments of the invention, the compound of formula (1) is a combination of one or more selected from the following structures:
Figure 749519DEST_PATH_IMAGE003
Figure 998098DEST_PATH_IMAGE004
。
according to the invention, within 3-20min from the mixing of the component A and the component B, a mixed system of the component A and the component B is kept in a flowing liquid state all the time, and then a pasty glue (namely, the pasty glue with sagging resistance or thixotropy can be applied to vertical face construction) for splicing and sealing is formed.
According to some preferred aspects of the invention, the time interval is 3-10 min; more preferably, the time interval is 3-8min, and still more preferably 3-5 min.
According to some preferred aspects of the present invention, the blocked isocyanate is prepared by reacting the compound of formula (1) with the isocyanate at 30-40 ℃.
According to some preferred aspects of the present invention, in the reaction to prepare the blocked isocyanate, the ratio of the molar amount of the compound of formula (1) charged to the molar amount of isocyanate groups in the isocyanate charge is from 1.01 to 1.05: 1.
According to some preferred aspects of the invention, the feeding amount of the blocked isocyanate accounts for 1-8% of the total feeding amount of the raw materials of the two-component epoxy structural adhesive in percentage by mass; more preferably, the feeding amount of the blocked isocyanate accounts for 1-5% of the total feeding amount of the raw materials of the two-component epoxy structural adhesive in percentage by mass; further preferably, the feeding amount of the blocked isocyanate accounts for 1-3% of the total feeding amount of the raw materials of the two-component epoxy structural adhesive in percentage by mass.
According to some specific and preferred aspects of the present invention, the charged mass ratio of the a-component to the B-component is 2-4: 1, more preferably, the charged mass ratio of the a-component to the B-component is 2.5-3.5: 1, further preferably, the charged mass ratio of the a-component to the B-component is 2.8-3.2: 1, according to a specific aspect of the present invention, the charged mass ratio of the a-component to the B-component is 3: 1;
wherein the component A comprises 65-95% of epoxy resin, 1-11% of blocked isocyanate and 0-25% of silicon micropowder by mass percentage;
the component B comprises 70-100% of polyamine epoxy curing agent, 0-10% of silicon micropowder and 0-20% of curing accelerator by mass percentage.
According to some specific aspects of the present invention, the curing accelerator is a combination of one or more selected from the group consisting of 2,4, 6-tris (dimethylaminomethyl) phenol, benzyldimethylamine, o-hydroxybenzyldimethylamine, and N, N-dimethylaniline.
According to some specific aspects of the present invention, the epoxy resin is a combination of one or more selected from the group consisting of bisphenol a type epoxy resin, phenol-modified bisphenol a type epoxy resin, and bisphenol F type epoxy resin.
According to some particular aspects of the invention the isocyanate is a diisocyanate or triisocyanate or a combination of both. In some embodiments of the present invention, the isocyanate comprises Toluene Diisocyanate (TDI), isophorone diisocyanate (IPDI), diphenylmethane diisocyanate (MDI), dicyclohexylmethane diisocyanate (HMDI), Hexamethylene Diisocyanate (HDI), Naphthylamine Diisocyanate (NDI), and the like.
According to some specific aspects of the present invention, the polyamine-based epoxy curing agent is a combination of one or more selected from the group consisting of aliphatic polyamines, alicyclic polyamines, aromatic polyamines, polyamides and polyether amines. According to a specific aspect of the present invention, the polyamine-based epoxy curing agent is trimethylhexamethylenediamine.
The invention provides another technical scheme that: the application method of the two-component epoxy structural adhesive comprises the following steps:
firstly, mixing the component A and the component B in a stirring kettle at a construction site to obtain a mixed system, and generating thixotropic pasty glue for splicing and sealing after the mixed system passes through the time interval;
secondly, applying the prepared paste adhesive to a building prefabricated part for splicing and sealing; wherein the building prefabricated part comprises a concrete segmental beam, a prefabricated pier body, a large tubular pile and a segment.
In the invention, the stirring kettle can be various conventional stirring kettles with stirring mechanisms, and a planetary stirring device is not required.
In the invention, the isocyanate is blocked by adopting the compound of formula (1) containing active methylene, so that the blocked isocyanate group has higher stability, which is beneficial to further improving the storage stability, and meanwhile, when the component A and the component B are mixed and stirred in practical application, the blocked isocyanate in contact with the atmosphere is dissociated, and the blocked isocyanate gradually releases isocyanate groups with reaction activity, so that the blocked isocyanate reacts with the polyamine epoxy curing agent in the component B to generate the anti-sagging agent with a polyurea structure, and after a time interval of at least 3-20min, the anti-sagging paste adhesive which can be used for splicing and sealing and has the anti-sagging function can be formed; in the process, in the earlier stage of mixing of the components, the liquid mixed system has excellent flowing property, the electric stirring equipment can ensure that the whole system is mixed more uniformly, wherein the blocked isocyanate and the polyamine epoxy curing agent can be uniformly dispersed at each position of the mixed system, and the blocked isocyanate compound gradually dissociates into isocyanate groups in the mixing and stirring process, so that each position of the mixed system can react to form the anti-sagging agent with a polyurea structure, the defect of difficulty or incapability of uniformly mixing caused by directly adding the anti-sagging agent or the thixotropic agent in the prior art is overcome, the mechanical property and the service life of the epoxy structural adhesive are favorably improved, the adoption of expensive planetary stirring devices and the like is avoided, the on-site construction is facilitated, and the epoxy structural adhesive can be better applied to concrete segmental beams, And (3) splicing and sealing prefabricated components such as prefabricated pier bodies, large tubular piles, segments and the like.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages:
the two-component epoxy structural adhesive disclosed by the invention is good in storage stability, can be uniformly stirred by adopting a conventional stirring device, avoids the problem that the conventional stirring device is difficult to mix or cannot mix uniformly in the prior art, is favorable for improving the mechanical property, prolonging the service life and the like of the epoxy structural adhesive, is suitable for field construction, and is further favorable for being applied to splicing and sealing of prefabricated components such as a mixed-soil segmental beam, a prefabricated pier body, a large tubular pile, a duct piece and the like.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples; it is to be understood that these embodiments are provided to illustrate the general principles, essential features and advantages of the present invention, and the present invention is not limited in scope by the following embodiments; the implementation conditions used in the examples can be further adjusted according to specific requirements, and the implementation conditions not indicated are generally the conditions in routine experiments.
In the following, all starting materials are essentially obtained commercially or prepared by conventional methods in the art, unless otherwise specified.
The structure of the compound of formula (1) employed in the following examples is specifically as follows:
Figure 862149DEST_PATH_IMAGE005
。
EXAMPLE 1 preparation of blocked isocyanate
The compound of formula (1 a) (1.01 mol) and 2, 4-toluene diisocyanate (0.5 mol) were weighed out, mixed and reacted at 35 ℃ to obtain a blocked isocyanate of formula (2 a).
Figure 145362DEST_PATH_IMAGE006
。
EXAMPLE 2 preparation of blocked isocyanate
The compound of formula (1 b) (1.01 mol) and isophorone diisocyanate (0.5 mol) were weighed out, mixed, and reacted at 40 ℃ to obtain a blocked isocyanate of formula (2 b).
Figure 436666DEST_PATH_IMAGE007
。
Example 3 preparation of blocked isocyanate
The compound of formula (1 c) (1.01 mol) and hexamethylene diisocyanate (0.5 mol) were weighed and mixed and reacted at 40 ℃ to obtain a blocked isocyanate represented by formula (2 c).
Figure 172541DEST_PATH_IMAGE008
。
Example 4 preparation of blocked isocyanate
The compound of formula (1 d) (1.01 mol) and diphenylmethane diisocyanate (0.5 mol) were weighed and mixed to react at 30 ℃ to obtain a blocked isocyanate of formula (2 d).
Figure 840283DEST_PATH_IMAGE009
。
Examples 5 to 8
The following embodiments 5 to 8 respectively provide a two-component epoxy structural adhesive, which comprises the following raw materials in parts by weight: 300 parts of component A and 100 parts of component B; see table 1 below for specific ingredients and amounts.
Figure 978003DEST_PATH_IMAGE010
The two-component epoxy structural adhesive shown in the above examples 5 to 8 is applied to splicing and sealing of building prefabricated parts, and the specific operation mode is as follows:
firstly, directly mixing the component A and the component B in each embodiment in a construction site in a common stirring kettle to obtain a mixed system, wherein the mixed system is always in a liquid state and is easy to stir and flow within a certain time interval, and the viscosity of the mixed system rapidly rises and gradually becomes a paste after the mixed system is in the liquid state, so that a sagging-resistant paste adhesive for splicing and sealing is formed, and the paste adhesive is the epoxy structural adhesive disclosed by the invention;
and secondly, applying the prepared paste adhesive to the building prefabricated part for splicing and sealing.
The time intervals measured for each example during the mixing and stirring process are shown in Table 2.
Figure 705788DEST_PATH_IMAGE011
From the above embodiments, it can be seen that: according to the specific two-component epoxy structural adhesive, in the early stage of mixing of the components, a mixed system has excellent flowing performance, wherein the blocked isocyanate and the polyamine epoxy curing agent can be uniformly dispersed at each position of the mixed system, and the blocked isocyanate gradually dissociates into isocyanate groups in the mixing and stirring process, so that each position of the mixed system can react to form the anti-sagging agent with the polyurea structure, and further, the anti-sagging agent with the polyurea structure has excellent dispersibility in the whole system, and the production and construction difficulties caused by directly adding the anti-sagging agent (thixotropic agent) in the prior art are avoided. The existence of time interval makes constructor have sufficient time and use more even that conventional stirred tank mixes with whole system, is favorable to promoting mechanical properties and life etc. that the epoxy structure glued, has still avoided adopting equipment such as more expensive planet agitating unit moreover, can make things convenient for the site operation to can be applied to the concatenation of prefabricated components such as concrete segment roof beam, prefabricated pier shaft, big tubular pile, section of jurisdiction better and seal.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims (14)

1. The two-component epoxy structural adhesive comprises a component A and a component B, wherein the component A contains epoxy resin, the component B contains polyamine epoxy curing agent, and after the component A and the component B are mixed, a paste adhesive for splicing and sealing can be formed, and the two-component epoxy structural adhesive is characterized in that:
the component A also comprises blocked isocyanate which is prepared by reacting a compound shown in a formula (1) with isocyanate;
Figure DEST_PATH_IMAGE002
(1) wherein R is1、R2Each independently selected from hydrocarbyl, hydrocarbyloxy, hydrocarbylmercapto, hydrocarbylcarbonyl, hydrocarbyloxycarbonyl, hydrocarbylsulfinyl, heterocycloalkyl, heterocycloalkoxy, heterocycloalkylthio, heterocycloalkylcarbonyl, aryloxyalkyl or hydrocarbylsulfone;
the component A and the component B are respectively in a flowing liquid state at normal temperature, and the mixed system of the component A and the component B is always kept in the flowing liquid state within 3-20min from the time when the component A and the component B are mixed, and then the pasty adhesive for splicing and sealing is formed.
2. The two-part epoxy structural adhesive of claim 1, wherein R is1、R2The carbon number of the carbon atoms is 1-20.
3. The two-part epoxy structural adhesive of claim 2, wherein R is1、R2The carbon number of the carbon atoms is 1-10.
4. The two-part epoxy structural adhesive of claim 2, wherein R is1、R2Are each independently selected from C1-6Hydrocarbyl radical, C1-6Hydrocarbyloxy, C1-6Mercapto group of hydrocarbon, C1-6Hydrocarbyl carbonyl group, C1-6Hydrocarbyloxycarbonyl radical, C1-6Alkyl sulfinyl, C4-8Heterocycloalkyl radical, C4-8Heterocyclic alkoxy radical, C4-8Heterocycloalkylmercapto group, C4-8Heterocycloalkylcarbonyl radical, C5-10Aryloxy hydrocarbyl radical or C1-6A hydrocarbyl sulfone group.
5. The two-part epoxy structural adhesive according to any one of claims 1-4, wherein the compound of formula (1) is a combination of one or more selected from the following structures:
Figure DEST_PATH_IMAGE004
Figure DEST_PATH_IMAGE006
。
6. the two-part epoxy structural adhesive of claim 1, wherein the time interval is 3-10 min.
7. The two-part epoxy structural adhesive of claim 6, wherein the time interval is 3-5 min.
8. The two-part epoxy structural adhesive of claim 1, wherein the blocked isocyanate is prepared by reacting the compound of formula (1) with the isocyanate at 30-40 ℃; and/or in the reaction for preparing the blocked isocyanate, the ratio of the fed molar amount of the compound of the formula (1) to the molar amount of the isocyanate groups in the isocyanate feed is 1.01-1.05: 1.
9. The two-component epoxy structural adhesive of claim 1, wherein the amount of the blocked isocyanate is 1-8% of the total amount of the raw materials of the two-component epoxy structural adhesive.
10. The two-component epoxy structural adhesive of claim 9, wherein the amount of the blocked isocyanate is 1-5% of the total amount of the raw materials of the two-component epoxy structural adhesive.
11. The two-component epoxy structural adhesive of claim 10, wherein the amount of the blocked isocyanate is 1-3% of the total amount of the raw materials of the two-component epoxy structural adhesive.
12. The two-component epoxy structural adhesive as claimed in claim 1, wherein the feeding mass ratio of the component A to the component B is 2-4: 1;
wherein the component A comprises 65-95% of epoxy resin, 1-11% of blocked isocyanate and 0-25% of silicon micropowder by mass percentage;
the component B comprises 70-100% of polyamine epoxy curing agent, 0-10% of silicon micropowder and 0-20% of curing accelerator by mass percentage.
13. The two-component epoxy structural adhesive of claim 1 or 12, wherein the epoxy resin is one or more selected from the group consisting of bisphenol a type epoxy resin, phenol-modified bisphenol a type epoxy resin, and bisphenol F type epoxy resin; and/or, the isocyanate is a diisocyanate or triisocyanate or a combination of both; and/or the polyamine epoxy curing agent is one or more of aliphatic polyamine, alicyclic polyamine, aromatic polyamine, polyamide and polyether amine.
14. The application method of the two-component epoxy structural adhesive as claimed in any one of claims 1 to 13, wherein the application method of the epoxy structural adhesive comprises the following steps:
firstly, mixing the component A and the component B in a stirring kettle at a construction site to obtain a mixed system, and generating thixotropic pasty glue for splicing and sealing after the mixed system passes through the time interval;
secondly, applying the prepared paste adhesive to a building prefabricated part for splicing and sealing; wherein the building prefabricated part comprises a concrete segmental beam, a prefabricated pier body, a large tubular pile and a segment.
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US4578424A (en) * 1985-05-03 1986-03-25 Ashland Oil, Inc. High performance two-component epoxy structural adhesives with chemical thixotropy
CN86100867A (en) * 1985-02-20 1986-08-20 阿克佐公司 Thixotropic coatings composition, the method for using this coating composition coated substrates and gained coated substrate
CN104559734A (en) * 2015-01-26 2015-04-29 徐州卧牛山新型防水材料有限公司 Double-component chemical-reaction thixotropic polyurethane waterproof paint and preparation method thereof
CN109722148A (en) * 2019-01-03 2019-05-07 珠海市威旗防腐科技股份有限公司 A kind of thixotropic solventless epoxy coating and preparation method thereof

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CN86100867A (en) * 1985-02-20 1986-08-20 阿克佐公司 Thixotropic coatings composition, the method for using this coating composition coated substrates and gained coated substrate
US4578424A (en) * 1985-05-03 1986-03-25 Ashland Oil, Inc. High performance two-component epoxy structural adhesives with chemical thixotropy
CN104559734A (en) * 2015-01-26 2015-04-29 徐州卧牛山新型防水材料有限公司 Double-component chemical-reaction thixotropic polyurethane waterproof paint and preparation method thereof
CN109722148A (en) * 2019-01-03 2019-05-07 珠海市威旗防腐科技股份有限公司 A kind of thixotropic solventless epoxy coating and preparation method thereof

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