CN101962433B - Preparation method of polyurea - Google Patents
Preparation method of polyurea Download PDFInfo
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- CN101962433B CN101962433B CN2010101383050A CN201010138305A CN101962433B CN 101962433 B CN101962433 B CN 101962433B CN 2010101383050 A CN2010101383050 A CN 2010101383050A CN 201010138305 A CN201010138305 A CN 201010138305A CN 101962433 B CN101962433 B CN 101962433B
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- component
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- molecular weight
- reaction kettle
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- 229920002396 Polyurea Polymers 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 13
- 229920000570 polyether Polymers 0.000 claims description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 102100035474 DNA polymerase kappa Human genes 0.000 claims description 7
- 101710108091 DNA polymerase kappa Proteins 0.000 claims description 7
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 7
- GOJUJUVQIVIZAV-UHFFFAOYSA-N 2-amino-4,6-dichloropyrimidine-5-carbaldehyde Chemical group NC1=NC(Cl)=C(C=O)C(Cl)=N1 GOJUJUVQIVIZAV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004970 Chain extender Substances 0.000 claims description 6
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000004902 Softening Agent Substances 0.000 claims description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- CNPURSDMOWDNOQ-UHFFFAOYSA-N 4-methoxy-7h-pyrrolo[2,3-d]pyrimidin-2-amine Chemical compound COC1=NC(N)=NC2=C1C=CN2 CNPURSDMOWDNOQ-UHFFFAOYSA-N 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- LFSYUSUFCBOHGU-UHFFFAOYSA-N 1-isocyanato-2-[(4-isocyanatophenyl)methyl]benzene Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=CC=C1N=C=O LFSYUSUFCBOHGU-UHFFFAOYSA-N 0.000 claims description 3
- 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 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 claims description 3
- -1 polyoxytrimethylene Polymers 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 150000005846 sugar alcohols Polymers 0.000 claims description 3
- 238000009736 wetting Methods 0.000 claims description 3
- 150000001298 alcohols Chemical class 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 239000012948 isocyanate Substances 0.000 claims description 2
- 150000002513 isocyanates Chemical class 0.000 claims description 2
- 125000002462 isocyano group Chemical group *[N+]#[C-] 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 230000018044 dehydration Effects 0.000 abstract description 5
- 238000006297 dehydration reaction Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000004383 yellowing Methods 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 235000010215 titanium dioxide Nutrition 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention relates to a preparation method of polyurea. When a component A is produced, after the temperature of a kettle rises to 70-90 DEG C, a vacuum system is opened, and meanwhile, nitrogen is filled from the bottom of the kettle to remove moisture in material in a kettle; dehydration time for the polyurea component A is reduced to 0.5-1.5 hours from original 4 hours; dehydration temperature is lowered to 70-90 DEG C from original 110-130 DEG C so as to greatly lower energy consumption; in addition, because dehydration temperature is lowered, the component A has small possibility of yellowing, thus improving product quality; when a component B is produced, the component B kettle replaces a cylinder score to be specially used for producing the polyurea component B, and the volume of the kettle is enlarged to 5m<3>; and 5m<3> of the polyurea component B can be produced in four hours, which improves production efficiency.
Description
Technical field
The present invention relates to a kind of preparation method of polyureas.
Background technology
Spray polyurea waterproofing coating is domestic and international over nearly 10 years, is to adapt to a kind of novel solvent-free, the pollution-free green waterproof paint that the environmental protection demand is developed, developed, and it is made up of A component and B component.During use A component and B component are mixed spraying.It has the following advantages:
Do not contain catalyzer, solidify fast unusual, can spray mo(u)lding on the surface of random shape, can sagging;
100% solid content does not contain any volatile organic matter (VOC), and is environmentally friendly;
Less demanding to construction environment, do not receive the influence of envrionment temperature, humidity during construction;
It is excellent to spray film forming physical and chemical performance, such as tensile strength, elongation, low temperature flexibility, wear resistance, ageing-resistant, protection against corrosion or the like;
Good thermal stability can for a long time anti-120 ℃ of high temperature, and water resistance is very outstanding.
Up to the present its preparation technology is still far from perfect.Such as, when dewatering in the A component production process, only simple vacuumizes, and causes the pumpdown time long, and dewatering efficiency is low, like this product quality is had certain influence.In addition, scuffing of cylinder bore is used in the production of B component, and production efficiency is low.
Summary of the invention
The technical issues that need to address of the present invention have provided a kind of preparation method of polyureas, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the present invention realizes through following steps:
The production technique of A component of the present invention is:
Adding in the reaction kettle by mass ratio is that 40～50 parts, molecular weight 1500～2500, functionality are 2 polyoxytrimethylene ethoxylated polyhydric alcohol; 8～10 parts of DINP (DINP); The effect of these polyvalent alcohols is with the isocyanate reaction that will add, and generates the performed polymer that contains isocyano; DINP is a kind of softening agent.
Reaction kettle is warmed up to after 70 ℃～90 ℃, and the open vacuum system charges into nitrogen from the reaction kettle bottom simultaneously, sloughs the moisture of material in the reaction kettle;
0.5 after～1 hour, material moisture detects less than after 0.05% in the reaction kettle, cools to 40 ℃～70 ℃, adds 20～25 part 4,4 '--diphenylmethanediisocyanate, 15～26 part 2,4 '--diphenylmethanediisocyanate;
Under 60 ℃～90 ℃ temperature, reacted 1.5～4.5 hours;
Cool to below 60 ℃, filter, the discharging packing;
The production technique of B component of the present invention is:
Adding molecular weight 1500～2500, functionality are that 2 Amino Terminated polyether(ATPE), molecular weight 300～500, functionality are 2 Amino Terminated polyether(ATPE), anti-color separation auxiliary agent in the reaction kettle; By mass ratio be 1500～2500, functionality is that 2 50～55 parts of Amino Terminated polyether(ATPE)s, molecular weight 300～500, functionality are 3～5 parts of 2 Amino Terminated polyether(ATPE)s, 0.01～0.05 part of anti-color separation auxiliary agent;
Open stirring system, turn speed to 300～600 rev/mins;
Under this rotating speed, add 0.1～0.5 part of dewatering agent, turn speed to 900～1200 rev/mins, high speed dispersion 30-35 minute;
Add molecular weight 150～200, functionality then successively and be 2 amine chainextender, molecular weight 280～330, functionality and be 2 amine chainextender, UV light absorber, skimmer, softening agent, wetting dispersing agent, Rutile type Titanium Dioxide, black slurry, molecular weight 4000～6000, functionality and be 3 Amino Terminated polyether(ATPE) in reaction kettle; Above-mentioned raw materials is followed successively by 16～20 parts by mass ratio: 6～10 parts: 1.0～2.0 parts: 0.05～0.1 part: 0.5～1.5 part: 0.01～0.05 part: 0.5～1.5 part: 0.3～0.5 part: 8～12 parts; Stir 30-35 minute to stirring;
Filter the nitrogen-filled seal packing with 100 mesh filter screens.
Compared with prior art, the invention has the beneficial effects as follows: polyureas A component dewatering time reduced to 0.5～1.5 hour by original 4 hours; Dehydration temperaturre is reduced to 70 ℃～90 ℃ by original 110 ℃～130 ℃, greatly reduces energy consumption; In addition, because dehydration temperaturre reduces, the A component is not easy xanthochromia, has improved product quality; Polyureas B component can be produced 5m in 4 hours
3, improved production efficiency.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail:
The present invention is in producing the B component, and B component reaction still replaces scuffing of cylinder bore, is specifically designed to produce polyureas B component, and the reaction kettle volume is increased to 5m
3
All on sale on raw material that adopts among the present invention and the Equipment Market.
Get 45 parts of polyoxytrimethylene ethoxylated polyhydric alcohols (molecular weight 1500～2500, functionality are 2), 8 parts of DINP (DINP), 25 parts (4,4 '--diphenylmethanediisocyanate), 22 parts (2,4 '--diphenylmethanediisocyanate).Produce the A component according to production technique of the present invention.
Get 52 parts of Amino Terminated polyether(ATPE)s (molecular weight 1500～2500, functionality are 2), 5 parts of another kind of Amino Terminated polyether(ATPE)s (molecular weight 300～500, functionality are 2); 0.04 part anti-color separation auxiliary agent, 0.4 part of dewatering agent, 19 parts of amine chainextenders (molecular weight 150～200, functionality are 2); 7 parts of another kind of amine chainextenders (molecular weight 280～330, functionality are 2), 1.8 parts of UV light absorbers, 0.05 part of skimmer; 1.2 part softening agent, 0.04 part of wetting dispersing agent, 1.3 parts of Rutile type Titanium Dioxides; 0.3 part black slurry, 11.87 parts of another kind of Amino Terminated polyether(ATPE)s (molecular weight 4000～6000, functionality are 3).Produce the B component according to production technique of the present invention.
During use, get one barrel of A component (220kg), one barrel of B component (200kg), with the H-20/35 main frame spraying of Gusmer company, film forming color ash is bright, no xanthochromia phenomenon.The film forming rerum natura is following:
The fundamental property index of spray polyurea
Claims (1)
1. the preparation method of a polyureas, realize through following steps:
The production technique of A component is:
Adding in the reaction kettle by mass ratio is that 40～50 parts, molecular weight 1500～2500, functionality are 2 polyoxytrimethylene ethoxylated polyhydric alcohol; 8～10 parts of DINPs; The effect of these polyvalent alcohols is with the isocyanate reaction that will add, and generates the performed polymer that contains isocyano; DINP is a kind of softening agent;
Reaction kettle is warmed up to after 70 ℃～90 ℃, and the open vacuum system charges into nitrogen from the reaction kettle bottom simultaneously, sloughs the moisture of material in the reaction kettle;
0.5 after～1 hour, material moisture detects less than after 0.05% in the reaction kettle, cools to 40 ℃～70 ℃, adds 20～25 part 4,4 '--diphenylmethanediisocyanate, 15～26 part 2,4 '--diphenylmethanediisocyanate;
Under 60 ℃～90 ℃ temperature, reacted 1.5～4.5 hours;
Cool to below 60 ℃, filter, the discharging packing;
The production technique of B component is:
Adding molecular weight 1500～2500, functionality are that 2 Amino Terminated polyether(ATPE), molecular weight 300～500, functionality are 2 Amino Terminated polyether(ATPE), anti-color separation auxiliary agent in the reaction kettle; By mass ratio be 1500～2500, functionality is that 2 50～55 parts of Amino Terminated polyether(ATPE)s, molecular weight 300～500, functionality are 3～5 parts of 2 Amino Terminated polyether(ATPE)s, 0.01～0.05 part of anti-color separation auxiliary agent;
Open stirring system, turn speed to 300～600 rev/mins;
Under this rotating speed, add 0.1～0.5 part of dewatering agent, turn speed to 900～1200 rev/mins, high speed dispersion 30-35 minute;
Add molecular weight 150～200, functionality then successively and be 2 amine chainextender, molecular weight 280～330, functionality and be 2 amine chainextender, UV light absorber, skimmer, softening agent, wetting dispersing agent, Rutile type Titanium Dioxide, black slurry, molecular weight 4000～6000, functionality and be 3 Amino Terminated polyether(ATPE) in reaction kettle; Above-mentioned raw materials is followed successively by 16～20 parts by mass ratio: 6～10 parts: 1.0～2.0 parts: 0.05～0.1 part: 0.5～1.5 part: 0.01～0.05 part: 0.5～1.5 part: 0.3～0.5 part: 8～12 parts; Stir 30-35 minute to stirring;
Filter the nitrogen-filled seal packing with 100 mesh filter screens;
Described A component and B component are mixed spraying, get polyureas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101383050A CN101962433B (en) | 2010-04-02 | 2010-04-02 | Preparation method of polyurea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101383050A CN101962433B (en) | 2010-04-02 | 2010-04-02 | Preparation method of polyurea |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101962433A CN101962433A (en) | 2011-02-02 |
| CN101962433B true CN101962433B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101383050A Expired - Fee Related CN101962433B (en) | 2010-04-02 | 2010-04-02 | Preparation method of polyurea |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104327696A (en) * | 2014-10-21 | 2015-02-04 | 上海东方雨虹防水技术有限责任公司 | Polycarbonate polyol type spraying polyurea elastomer coating and preparation method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1831067A (en) * | 2005-11-15 | 2006-09-13 | 上海瑞鹏化工材料科技有限公司 | Flame-retardant type polyurea anti-corrosion coating for chemical industry steel structure and its prepn. process |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1831067A (en) * | 2005-11-15 | 2006-09-13 | 上海瑞鹏化工材料科技有限公司 | Flame-retardant type polyurea anti-corrosion coating for chemical industry steel structure and its prepn. process |
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| CN101962433A (en) | 2011-02-02 |
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Owner name: SHANGHAI ORIENTAL YUHONG WATERPROOF ENGINEERING CO Effective date: 20130813 |
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Effective date of registration: 20130813 Address after: 201500 Shanghai City, Jinshan District Jinshanwei town Yangxin Road No. 258, Room 203. Patentee after: SHANGHAI ORIENTAL YUHONG WATERPROOF TECHNOLOGY Co.,Ltd. Patentee after: SHANGHAI ORIENTAL RAINBOW WATERPROOF ENGINEERING CO.,LTD. Address before: 201500 Shanghai City, Jinshan District Jinshanwei town Yangxin Road No. 258, Room 203. Patentee before: SHANGHAI ORIENTAL YUHONG WATERPROOF TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20210413 Address after: No.16 Shidi Avenue, lvsigang Economic Development Zone, Qidong City, Nantong City, Jiangsu Province Patentee after: Nantong jinsinan membrane material Co.,Ltd. Address before: 201500 Room 203, 258 Qianxin Road, Jinshanwei Town, Jinshan District, Shanghai Patentee before: SHANGHAI ORIENTAL YUHONG WATERPROOF TECHNOLOGY Co.,Ltd. Patentee before: SHANGHAI ORIENTAL RAINBOW WATERPROOF ENGINEERING Co.,Ltd. |
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