CN102676111B - Polyurea interlayer bonding agent and preparation method thereof - Google Patents
Polyurea interlayer bonding agent and preparation method thereof Download PDFInfo
- Publication number
- CN102676111B CN102676111B CN201110055584.9A CN201110055584A CN102676111B CN 102676111 B CN102676111 B CN 102676111B CN 201110055584 A CN201110055584 A CN 201110055584A CN 102676111 B CN102676111 B CN 102676111B
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- component
- polyureas
- polyurea
- interbedded
- raw materials
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- 229920002396 Polyurea Polymers 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000007767 bonding agent Substances 0.000 title claims abstract description 12
- 239000011229 interlayer Substances 0.000 title abstract 5
- 239000004970 Chain extender Substances 0.000 claims abstract description 7
- 239000002904 solvent Substances 0.000 claims abstract description 5
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical group CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 33
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 22
- 239000011230 binding agent Substances 0.000 claims description 22
- 239000002994 raw material Substances 0.000 claims description 16
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- -1 hydroxyl compound Chemical class 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 238000010382 chemical cross-linking Methods 0.000 abstract 1
- 239000012948 isocyanate Substances 0.000 abstract 1
- 150000002513 isocyanates Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 description 20
- 238000010276 construction Methods 0.000 description 15
- 239000007921 spray Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 10
- 238000001035 drying Methods 0.000 description 9
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000000227 grinding Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000007810 chemical reaction solvent Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- 150000002009 diols Chemical class 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- IBOFVQJTBBUKMU-UHFFFAOYSA-N 4,4'-methylene-bis-(2-chloroaniline) Chemical compound C1=C(Cl)C(N)=CC=C1CC1=CC=C(N)C(Cl)=C1 IBOFVQJTBBUKMU-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 241001112258 Moca Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920000909 polytetrahydrofuran Polymers 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007728 cost analysis Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 125000002462 isocyano group Chemical group *[N+]#[C-] 0.000 description 1
- QFAWAPOFKBIROP-UHFFFAOYSA-N n-benzhydrylbutan-2-amine Chemical compound C=1C=CC=CC=1C(NC(C)CC)C1=CC=CC=C1 QFAWAPOFKBIROP-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000036555 skin type Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a polyurea interlayer bonding agent and a preparation method thereof. The polyurea interlayer bonding agent is made of a component A and a component B according to a weight ratio of 1:1-1:5, the component A is semi-prepolymer mainly made by reaction of isocyanate and hydroxyl compound, and the component B is mainly made of chain extender and solvent. The polyurea interlayer bonding agent and the preparation method thereof have the advantages that inter-polyurea bonding performance can sufficiently meet indexes in correlative national standards, and traditional adhesives belong to physical bonding while the polyurea interlayer bonding agent not only realizes physical bonding but also partially forms chemical crosslinking with newly-coated polyurea, so that 'skin' type bonding is truly realized.
Description
Technical field
The present invention relates to a kind of bonding agent of water-proof material, relate in particular to a kind of for the bonding agent between polyurea water-proof layer and method for making.
Background technology
From first polyureas formula of China in 1998, at Inst. of Marine Chemical Engineering, spray successfully and apply the key state projects such as Olympic venue, Beijing-Tianjin high ferro to polyureas in 2007, the polyureas cause of China has experienced hardships complications but the process that develops rapidly.2009, along with the design of Beijing-Shanghai express railway waterproofing work selects Spray Polyurea Elastomer as waterproof paint, polyureas became the topic that waterproofing industry is the most popular, and polyureas technology has also obtained unprecedented climax in Chinese development.
Spray Polyurea Elastomer is a kind of novel water-proof material, has the incomparable high-performance of traditional coating, and this product can spray mo(u)lding on arbitrary surface, inclined-plane and vertical surface, does not produce sagging phenomenon.Due to the physicals of this material excellence, in recent years at high-speed railway, the application of bridge waterproof field is comparatively extensive.But when this material carries out secondary construction, also bad with the adhesiveproperties of original polyureas, often there are crimping, demixing phenomenon.When Beijing-Shanghai express railway waterproof layer carries out lapping construction, when twice engineering time interval surpasses 6 hours, require to brush relevant bonding agent and overlap processing.Traditional bonding agent not can solve the bonding strength between bottom polyureas and new spray polyurea, and As time goes on, performance can not meet index of correlation requirement.
Summary of the invention
The invention provides the polyureas interbedded binding agent of adhesiveproperties excellence.
Polyureas interbedded binding agent of the present invention, wherein bonding agent is that employing weight ratio is 1: 1-1: 5 A, two kinds of components allotments of B form, A component is mainly isocyanic ester and oxy-compound reacts the semi prepolymer making, and described B component is mainly chainextender, solvent is made.
Isocyanic ester of the present invention can be MDI, and oxy-compound is PTMG-1000, N-210, and chainextender is Wanalink6200, MOCA, and solvent is ethyl acetate, acetone, above-mentionedly all can select in the prior art other raw materials.
The present invention's chemical feedstocks abbreviation used, trade(brand)name contrast as follows with Chinese and English title:
MDI diphenylmethanediisocyanate (4,4`-diphenylmethane diisocyanate);
PTMG-1000 polytetrahydrofuran diol (polytetrahydrofuran glycol), molecular weight 1000-2000;
N-210 polyether diols is also referred to as polyether Glycols (Polyether diols);
Chloro-4, the 4 '-diaminodiphenyl-methane of MOCA 3,3 '-bis-(4,4 '-methylenebis (2-chloroaniline));
Wanalink6200 is the trade(brand)name of 4,4 '-bis-Zhong Ding ADP methylmethanes ((N, N '-bis (sec-butylamino) Diphenylmethane)).
Polyureas interbedded binding agent of the present invention, wherein prepare the raw materials used weight part of A component and consist of:
MDI 83-95
PTMG-1000 63-75；
The raw materials used weight part of preparation B component consists of:
Wanalink6200 67-75
Ethyl acetate 270-300
Acetone 110-120.
Preferred polyureas interbedded binding agent of the present invention, wherein prepare the raw materials used weight part of A component and consist of:
MDI 83-93
PTMG-1000 65-73；
The raw materials used weight part of preparation B component consists of:
Wanalink6200 67-73
Ethyl acetate 270-290
Acetone 110-115.
Preferred polyureas interbedded binding agent, wherein prepare the raw materials used weight part of A component and consist of:
MDI 83.9
PTMG-1000 66；
The raw materials used weight part of preparation B component consists of:
Wanalink6200 67.8
Ethyl acetate 271.2
Acetone 111.
Arbitrary polyureas interbedded binding agent of the present invention, wherein the optimum weight ratio of component A and B is 1: 3.
The preparation method of polyureas interbedded binding agent of the present invention, comprises the steps:
A component preparation process: PTMG-1000 is added to reactor, open to stir, be preheated to 50 ℃, add MDI, 80 ℃ keep 3h, the content of chemical examination-NCO then, qualified rear discharging is packed;
B component preparation process: Wanalink6200, ethyl acetate, acetone and auxiliary agent are added to reactor, mix, discharging packing.
The using method of arbitrary polyureas interbedded binding agent of the present invention, comprises the steps:
(1) preparation of construction;
(2) polyureas basic unit grinding process
(3) by two components by weight A: B=1: 3 mix;
(4) brush product;
(5) after surface drying, spray second layer polyurea waterproof coating material.
Beneficial effect of the present invention is, it is bonding that traditional bonding sizing agent belongs to physical, and polyureas interbedded binding agent in this invention realize physical bonding also have simultaneously quite a few with the polyureas newly spraying between form chemotype crosslinked action, really realized " skin-type " bonding.
Below by test example, further illustrate beneficial effect of the present invention
Test example 1: formulating test
First synthetic two kinds of performed polymers are labeled as respectively A1 and A2, mate the operating time of testing respectively several systems, surface drying time, the physicochemical properties such as stripping strength respectively with B1, B2 and tri-kinds of chainextenders of B3.
Two kinds of performed polymer A1 and A2 in experiment, three kinds of different chain extenders B component 1, B2 and B3 arrange in pairs or groups respectively, and main test operation time, surface drying time and physicochemical property, guarantee the quality of interbedded binding agent and good construction suitability.
Table 1, the contrast of different ingredients bonding agent physicochemical property
* in table, data are detection data in 22 ℃～27 ℃ of temperature; The mean value that peel strength value obtains for three times for check.
From table, experimental data can be found out, from stripping strength, above-mentioned several formula all can meet the standard of high ferro, but operating performance and cost analysis from construction, the third tool advantage of filling a prescription, longer operable time, shorter surface drying time and excellent cohesive strength make the third scheme (A1+B3) for the preferred plan of polyureas interbedded binding agent.
Test example 2: performance comparison result
The performance of polyureas interbedded binding agent of the present invention and the comparison of national standard, table 2 is the performance index of [2009] No. 117 > > files specify of the < < passenger dedicated railway line bridge concrete bridge floor provisional technical qualification of spray polyurea waterproof layer, and table 3 is performance index of the present invention.
The performance index of table 2, national Specification
Table 3, product main performance index of the present invention
Below by specific embodiment, further illustrate the present invention.
Embodiment
Embodiment 1
Polyureas interbedded binding agent adopts the two component reaction solvent type systems of A, B.
A, B component prescription composition are respectively:
Production technique:
A component preparation (preparation of performed polymer): PTMG-1000 is added to reactor, open and stir, be preheated to 50 ℃, add MDI, 80 ℃ keep 3h, then chemically examine isocyano ion-NCO (O=C-N) content, qualified rear discharging packing.
B component preparation: Wanalink6200, ethyl acetate, acetone and auxiliary agent are added to reactor, mix, discharging packing.
Construction process:
Preparation of construction → polyureas basic unit grinding process → by two components is by A: B=1: 3 (weight ratio) sprays second layer polyurea waterproof coating material after mixing → brush product → surface drying.
Embodiment 2
Polyureas interbedded binding agent adopts the two component reaction solvent type systems of A, B.
A, B component prescription composition are respectively:
Production technique: with embodiment 1.
Construction process:
Preparation of construction → polyureas basic unit grinding process → by two components is by A: B=1: 3 (weight ratio) sprays second layer polyurea waterproof coating material after mixing → brush product → surface drying.
Embodiment 3
Polyureas interbedded binding agent adopts the two component reaction solvent type systems of A, B.
A, B component prescription composition are respectively:
Production technique: with embodiment 1.
Construction process:
Preparation of construction → polyureas basic unit grinding process → by two components is by A: B=1: 3 (weight ratio) sprays second layer polyurea waterproof coating material after mixing → brush product → surface drying.
Embodiment 4
Polyureas interbedded binding agent adopts the two component reaction solvent type systems of A, B.
A, B component prescription composition are respectively:
Production technique: with embodiment 1.
Construction process:
Preparation of construction → polyureas basic unit grinding process → by two components is by A: B=1: 3 (weight ratio) sprays second layer polyurea waterproof coating material after mixing → brush product → surface drying.
Embodiment 5
Polyureas interbedded binding agent adopts the two component reaction solvent type systems of A, B.
A, B component prescription composition are respectively:
Production technique: with embodiment 1.
Construction process:
Preparation of construction → polyureas basic unit grinding process → by two components is by A: B=1: 3 (weight ratio) sprays second layer polyurea waterproof coating material after mixing → brush product → surface drying.
The above embodiment is only that the preferred embodiment of the present invention is described; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (4)
1. a polyureas interbedded binding agent, it is characterized in that, described bonding agent is to adopt two kinds of component allotments of A, B that weight ratio is 1:3 to form, and described A component is mainly isocyanic ester and oxy-compound reacts the semi prepolymer making, and described B component is mainly chainextender, solvent is made;
Wherein, described isocyanic ester is MDI, and described oxy-compound is PTMG-1000, and described chainextender is Wanalink6200, and described solvent is ethyl acetate, acetone;
Preparing the raw materials used weight part of described A component consists of:
MDI 83-95
PTMG-1000 63-75；
The weight part of preparing the main raw material of described B component consists of:
Wanalink6200 67-75
Ethyl acetate 270-300
Acetone 110-120,
In described B component, other raw materials are auxiliary agent.
2. polyureas interbedded binding agent as claimed in claim 1, is characterized in that: prepare the raw materials used weight part of described A component and consist of:
MDI 83-93
PTMG-1000 65-73；
The weight part of preparing the main raw material of described B component consists of:
Wanalink6200 67-73
Ethyl acetate 270-290
Acetone 110-115,
In described B component, other raw materials are auxiliary agent.
3. polyureas interbedded binding agent as claimed in claim 2, is characterized in that: prepare the raw materials used weight part of described A component and consist of:
MDI 83.9
PTMG-1000 66；
The weight part of preparing the main raw material of described B component consists of:
Wanalink6200 67.8
Ethyl acetate 271.2
Acetone 111,
In described B component, other raw materials are auxiliary agent.
4. the preparation method of the arbitrary polyureas interbedded binding agent as described in claim 1-3, comprises the steps:
A component preparation process: PTMG-1000 is added to reactor, open to stir, be preheated to 50 ℃, add MDI, 80 ℃ keep 3h, the content of chemical examination-NCO then, qualified rear discharging is packed;
B component preparation process: Wanalink6200, ethyl acetate, acetone and auxiliary agent are added to reactor, mix, discharging packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110055584.9A CN102676111B (en) | 2011-03-08 | 2011-03-08 | Polyurea interlayer bonding agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110055584.9A CN102676111B (en) | 2011-03-08 | 2011-03-08 | Polyurea interlayer bonding agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102676111A CN102676111A (en) | 2012-09-19 |
| CN102676111B true CN102676111B (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110055584.9A Active CN102676111B (en) | 2011-03-08 | 2011-03-08 | Polyurea interlayer bonding agent and preparation method thereof |
Country Status (1)
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1726132A (en) * | 2002-12-18 | 2006-01-25 | 约翰逊迪瓦西公司 | Film surface finishing system |
| CN101781543A (en) * | 2010-04-15 | 2010-07-21 | 青岛理工大学 | Interlaminar adhesive for spraying polyurea elastomer |
-
2011
- 2011-03-08 CN CN201110055584.9A patent/CN102676111B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1726132A (en) * | 2002-12-18 | 2006-01-25 | 约翰逊迪瓦西公司 | Film surface finishing system |
| CN101781543A (en) * | 2010-04-15 | 2010-07-21 | 青岛理工大学 | Interlaminar adhesive for spraying polyurea elastomer |
Non-Patent Citations (3)
| Title |
|---|
| 中国建筑防水.京沪高铁建设进入关键，专家会诊聚脲二次施工.《中国建筑防水》.2010,(第20期),第21-23页. * |
| 聚脲层间黏合剂黏结强度影响因素研究;马学强等;《上海涂料》;20100630;第48卷(第6期);第8-10页 * |
| 马学强等.聚脲层间黏合剂黏结强度影响因素研究.《上海涂料》.2010,第48卷(第6期),第8-10页. |
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| CN102676111A (en) | 2012-09-19 |
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