CN1108678A - Water-proof polyurethane coating film and preparation method thereof - Google Patents
Water-proof polyurethane coating film and preparation method thereof Download PDFInfo
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- CN1108678A CN1108678A CN 95101199 CN95101199A CN1108678A CN 1108678 A CN1108678 A CN 1108678A CN 95101199 CN95101199 CN 95101199 CN 95101199 A CN95101199 A CN 95101199A CN 1108678 A CN1108678 A CN 1108678A
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- polyurethane film
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Abstract
Polyether resin and isocyanate are polycondensed to obtain component A, then coal-tar oil, plasticizing agent, firming agent,filler,coagulation promoter, and diluent are homogeneously mixed to obtain component B. When construction, component A and component B are mixed accoding to a certain ratio to obtain the polyurethane water-proof coating-film. Castor oil and aromatic amine are used for firming agent. Advantage: low cost, simple technology and good water-proof effect.
Description
The invention belongs to the polyurethane film-coated water-proof material in chemical building material field, particularly base polyurethane prepolymer for use as component that makes by special formulation and the curing system component method and the goods thereof that prepare ammonia ester coating film waterproof material.
The polyurethane film water-proof material mostly is two component chemical reaction curing water-proof materials greatly, and wherein performed polymer component (back is called the first component) is the isocyanate-terminated performed polymer that is formed through condensation polymerization by polyether resin and isocyanic ester; Component B, be the curing system component, be a kind of viscous liquid of forming by coal tar, softening agent, solidifying agent, weighting agent, setting accelerator, thinner etc.Early eighties, it is that solid formulation prepares polyurethane film-coated water-proof material that China once adopted glycerine, its key technical indexes is far smaller than China's building material industry standard " polyurethane water-proof paint " every requirement (JC500-92) of implementing 1993 April 1.Mr. Fu Hongxiang (Chinese patent CN1066080A) adopts 3,3 '-two chloro-4,4 '-diaminodiphenyl-methane (being called for short MOCA) is a solidifying agent, the polyether-type performed polymer prepares polyurethane film-coated water-proof material for the first component, two the key technical indexes: breaking tenacity and elongation at break do not satisfy the requirement of JC500-92 yet.Shanxi Provincial Hydraulic Engineering Inst. (Chinese patent CN1089981A) prepares the first component with Viscotrol C, tolylene diisocyanate (TDI is called in the back), aromatic amine (as tolylene diamine) prepares polyurethanes water conservancy project series tackiness agent as solidifying agent, though its breaking tenacity overgauge requirement, its elongation at break can not conform with the requirement of industry standard salable product.
The objective of the invention is to disclose good polyester coating film waterproof material of a kind of existing like product performance and preparation method thereof.
The object of the present invention is achieved like this: adopt Viscotrol C and aromatic amine compounds to prepare polyurethane film-coated water-proof material as solidifying agent jointly, its performance index not only reach but also surpass China's industry standard (JC500-92) and every requirement.The present invention prepares the method for poly-propylhomoserin coating film waterproof material.It comprises first, second two component preparation technology flow process and implementation conditions, and is specific as follows:
A) polyether resin is put into reaction vessel, the heating, vacuum dehydration, temperature is 110-150 ℃, and pressure is 0.06-0.08MPa, and the time is 2-5 hour;
B) stop to vacuumize heating, make the dehydration polyether resin be cooled to 40-60 ℃
C) normal pressure next time property isocyanic ester is added to polyether resin and evenly stirs, polyreaction is carried out in heating, temperature is controlled at 50-60 ℃, the time is 4-6 hour, after reaction finished, its isocyanate group content was surveyed in sampling, is controlled in the 2.0-9.0% scope.After qualified, discharging, sealing is stored, and is the first component.
D) coal tar is heated to 70-90 ℃, and to wherein adding softening agent, solidifying Liu.Weighting agent, setting accelerator,
E) in coal tar, add thinner at 40-50 ℃, stirred 0.5-1 hour, the weighing discharging, sealing is stored, and is component B.
When carrying out waterproof construction, first, second two components are mixed by a certain percentage,, make elastomeric polyurethane film-coated water-proof material through the normal temperature crosslinking curing.
Being used for isocyanic ester example of the present invention comprises: 2,4-TDI, 2,4-TDI and 2, the blended of 6-TDI, 4,4 '-diphenylmethanediisocyanate (MDI is called in the back), 2,4 '-MDI and 4, the mixture of 4 '-MDI, polymethine polyphenyl polyisocyanate (abbreviating PAPI as).In the above-mentioned isocyanic ester, PAPI, TDI80/20(2,4-TDI and 2, the part by weight of 6-TDI are 80/20) be particularly preferred.
The molecular weight of the polyether resin that the present invention uses is 1000-3500, and they have: dibasic alcohol polyoxytrimethylene ether, trivalent alcohol propylene oxide ether, dibasic alcohol polyoxytrimethylene ether-polyoxyethylene ether copolymerization block superpolymer, polyoxyethylene glycol etc.
Coal tar of the present invention is the liquid of dehydration, and water ratio is less than 0.3%.
The softening agent that uses among the present invention has: dioctyl phthalate (DOP), dibutyl phthalate, triphenylphosphate etc.
Solidifying agent among the present invention is Viscotrol C and aromatic amine compounds.Wherein: Viscotrol C be natural castor seeds press do not pass through chemically treated pure Viscotrol C.Aromatic amine compounds can be with 2,4-diaminotoluene, 2,6-diaminotoluene, 4,4 '-diaminodiphenyl-methane, 1,3-phenylenediamine, many phenyl of the polymethine polyamines liquid polymer that obtains by aniline one formaldehyde condensation, the polyamines liquid that obtains by aniline/Ortho-Chloro aniline-formaldehyde condensation, MOCA etc.Above-mentioned aromatic amine compounds separately or combine and Viscotrol C constitutes solidifying agent used among the present invention jointly.
The present invention increases the levelling property of coating in order to increase the hardness of filming, and uses inorganic filler, and it comprises: carbon black, light calcium carbonate, Magnesium Silicate q-agent, silicon-dioxide, talcum powder,
Stone, wilkinite, grey calcium powder, calcium hydroxide, wollastonite powder etc.
The setting accelerator that uses among the present invention comprises two classes of aminated compounds and organo-metallic compounds.Aminated compounds has: triethylamine, trolamine, triethylenediamine etc., the organo-metallic compounds has: lead octoate 36, stannous octoate two lauric acid, di-n-butyl tin etc.
The thinner that uses among the present invention is: acetone, toluene, ethyl acetate, crude benzol, dimethylbenzene etc.
The present invention also can use other auxiliary agent, and as anti-aging agent, this is that actual conditions according to the use of polyurethane film-coated water-proof material adds.
Each proportioning raw materials of the present invention is:
A) first component
Polyether resin 70-85%
Isocyanic ester 15-30%
B) component B
Coal tar 35-55%
Softening agent 1-10%
Solidifying agent 1-10%
Weighting agent 15-35%
Setting accelerator 0.05-0.20%
Thinner 2-10%
Below be embodiments of the invention
A) first component prescription (%)
Polyether resin: 70-85
Isocyanic ester: 15-25
B) component B (%)
Coal tar: 45-55 softening agent: 1-5
Weighting agent: 30-45 solidifying agent: 5-10
Setting accelerator: 0.01-0.10 thinner: 2-7
C) preparation technology
1) preparation first component
With polyether resin heating, vacuum dehydration 3 hours under 120 ℃, 0.08MPa condition.Stop heating and vacuumize, polyether resin is cooled to 50 ℃, add isocyanic ester, heat temperature raising to 60 ℃ also kept 4 hours, its isocyanate group content of sampling and measuring, and the weighing discharging of qualified back obtains the first component.
2) preparation component B
With coal tar heat temperature raising to 80 ℃, add softening agent, solidifying agent, weighting agent, setting accelerator, in the time of 50 ℃, add thinner, mix, obtain component B.
3) polyurethane waterproof coating
The weight proportion of above-mentioned first, second two components by 1: 1.5 mixed, be poured in the mould that scribbles releasing agent, at 20 ± 2 ℃, relative humidity is to cultivate 7 days under 65 ± 20% the envrionment conditions, then measures its technical performance index according to JC500-92.
The main performance index of the polyurethane film-coated water-proof material of the present invention's preparation is listed in table 1.
(1) listed numerical value derives from Chinese patent CN1066080A
(2) listed numerical value derives from Chinese patent CN1089981A
(3) institute's column data comes from material of construction supervision and inspection station, Beijing prepares polyurethane film-coated water-proof material to the present invention test report.
Technology of the present invention is simple, prepares the polyurethane film-coated water-proof material of better performances with lower cost. This product is through key state project such as Beijing West Railway Station, and these coating film waterproof materials of probationary certificate such as Fang Zhuan residential quarter have easy construction, good water-proof effect, advantage applied widely, can be used for roofing, basement is bathed the waterproof construction that waits between the lavatory, provides a powerful measure for solving China's building leakage.
Claims (10)
1, a kind of polyurethane film-coated water-proof material, it is two component chemical reaction curing water-proof materials, by the performed polymer component, is called the first component; The curing system component is called component B, and composition is characterized in that its composition content range by weight percentage is respectively:
First component: polyether resin 70-85%
Isocyanic ester 15-30%
Component B: coal tar 35-55%
Softening agent 1-10%
Solidifying agent 1-10%
Weighting agent 15-35%
Setting accelerator 0.05-0.20%
Thinner 2-10%
The weight proportion of first component and component B is 1: 1.5.
2, polyurethane film-coated water-proof material as claimed in claim 1, it is characterized in that, the polyether resin molecular weight is 1000-3500, and it has: dibasic alcohol polyoxytrimethylene ether, trivalent alcohol propylene oxide ether, dibasic alcohol polyoxytrimethylene ether-polyoxyethylene ether copolymerization block superpolymer, polyoxyethylene glycol etc. can be wherein any or two kinds combine.
3, polyurethane film-coated water-proof material as claimed in claim 1 or 2, it is characterized in that, isocyanic ester comprises: 2,4-TDI, 2,4-TDI and 2, the mixture of 6-TDI, 4,4 '-ditan, two isocyanide esters (back is called MDI), 2,4 '-MDI and 4, the mixture of 4 '-MDI, polymethine polyphenyl polyisocyanate (abbreviating PAPI as) can be wherein any or two kinds combine.
4, polyurethane film-coated water-proof material as claimed in claim 3 is characterized in that, 2, and 4-TDI and 2, the mixture of 6-TDI, blending ratio is 80/20 by weight.
5, polyurethane film-coated water-proof material as claimed in claim 1, it is characterized in that, solidifying agent is Viscotrol C and aromatic amine compounds, the latter can be with 2,4-diaminotoluene, 2,6-diaminotoluene, 4,4 '-tetramethyl triaminotriphenyl methane NH2,1, a kind of among 5-naphthylene diamine, many phenyl of the polymethine polyamines liquid polymer that obtains by aniline-formaldehyde condensation, the polyamines liquid that obtains by aniline/Ortho-Chloro aniline-formaldehyde condensation, MOCA etc. or two kinds.
6, polyurethane film-coated water-proof material as claimed in claim 1 is characterized in that, softening agent has dioctyl phthalate (DOP), dibutyl phthalate, triphenylphosphate etc., optional wherein a kind of.
7, polyurethane film-coated water-proof material as claimed in claim 1 is characterized in that, weighting agent have carbon black, light calcium carbonate, Magnesium Silicate q-agent, silicon-dioxide, talcum powder,
Stone, wilkinite, grey calcium powder, calcium hydroxide, wollastonite powder can be chosen wherein two or more wantonly and combine.
8, polyurethane film-coated water-proof material as claimed in claim 1 is characterized in that, setting accelerator has triethylamine, trolamine, triethylenediamine, stannous octoate, lead octoate 36, di-n-butyltin dilaurate etc. can choose wherein a kind of or two kinds wantonly to combine.
9, ammonia ester coating film waterproof material as claimed in claim 1 is characterized in that, thinner is acetone, toluene, ethyl acetate, crude benzol, dimethylbenzene can be with wherein a kind of.
10, a kind of preparation method of polyurethane film-coated water-proof material is characterized in that,
A) polyether resin is put into reaction vessel, the heating, vacuum dehydration, temperature is 110-150 ℃, and pressure is 0.06-0.08MPa, and the time is 2-5 hour;
B) stop to vacuumize heating, make the dehydration polyether resin be cooled to 40-60 ℃;
C) normal pressure next time property isocyanic ester is added to polyether resin and evenly stirs, carry out polyreaction, temperature is controlled at 50-60 ℃, the time is 4-6 hour, after reaction finished, its isocyanate group content was surveyed in sampling, is controlled in the 2.0-9.0% scope.After qualified, discharging, sealing is stored, and is the first component;
D) coal tar is heated to 70-90 ℃, and to wherein adding softening agent, solidifying agent, weighting agent, setting accelerator;
E) in coal tar, add thinner at 40-50 ℃, stirred 0.5-1 hour, the weighing discharging, sealing is stored, and is component B;
The weight proportion of above-mentioned first, second two components by 1: 1.5 mixed, be poured in the mould that scribbles releasing agent, at 20 ± 2 ℃, relative temperature is to cultivate 7 days under 65 ± 20% the envrionment conditions, then measures its technical performance index according to JC500-92.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95101199A CN1042549C (en) | 1995-01-09 | 1995-01-09 | Water-proof polyurethane coating film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95101199A CN1042549C (en) | 1995-01-09 | 1995-01-09 | Water-proof polyurethane coating film and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1108678A true CN1108678A (en) | 1995-09-20 |
| CN1042549C CN1042549C (en) | 1999-03-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95101199A Expired - Fee Related CN1042549C (en) | 1995-01-09 | 1995-01-09 | Water-proof polyurethane coating film and preparation method thereof |
Country Status (1)
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| CN (1) | CN1042549C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633719B (en) * | 2009-08-27 | 2012-02-29 | 黎明化工研究院 | Normal-temperature solidification polyurethane elastomer waterproof material and preparation method thereof |
| CN102516745A (en) * | 2011-11-23 | 2012-06-27 | 王曦 | Oil bag manufacturing method of automatic die mold demolding impermeabilisation test machine |
| CN103921908A (en) * | 2014-03-21 | 2014-07-16 | 大连旅顺富利达橡胶制品有限公司 | Polyether rubber fender and processing technology thereof |
| CN104004403A (en) * | 2014-06-05 | 2014-08-27 | 郑协锋 | Coagulant for coating and production technology for coagulant for coating |
| CN106626170A (en) * | 2016-12-28 | 2017-05-10 | 中民筑友科技投资有限公司 | Mold release agent, preparation method and application |
| CN112759565A (en) * | 2020-12-31 | 2021-05-07 | 苏州丰倍生物科技有限公司 | Grease-based polyamine curing agent and preparation method and application thereof |
| CN116285645A (en) * | 2023-04-20 | 2023-06-23 | 张浩然 | Polyurethane waterproof coating and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1066080A (en) * | 1991-04-23 | 1992-11-11 | 傅洪祥 | Film water-proof glue |
| CN1076712A (en) * | 1993-03-14 | 1993-09-29 | 肖扬华 | Single component (resisting) wet solidification polyurethane waterproof coating resin and preparation method thereof |
| CN1039651C (en) * | 1993-10-25 | 1998-09-02 | 山西省水利科学研究所 | Castor oil water-proof paint for roof and production method thereof |
-
1995
- 1995-01-09 CN CN95101199A patent/CN1042549C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633719B (en) * | 2009-08-27 | 2012-02-29 | 黎明化工研究院 | Normal-temperature solidification polyurethane elastomer waterproof material and preparation method thereof |
| CN102516745A (en) * | 2011-11-23 | 2012-06-27 | 王曦 | Oil bag manufacturing method of automatic die mold demolding impermeabilisation test machine |
| CN103921908A (en) * | 2014-03-21 | 2014-07-16 | 大连旅顺富利达橡胶制品有限公司 | Polyether rubber fender and processing technology thereof |
| CN103921908B (en) * | 2014-03-21 | 2016-04-20 | 大连旅顺富利达橡胶制品有限公司 | A kind of polyether rubber fender and processing technology thereof |
| CN104004403A (en) * | 2014-06-05 | 2014-08-27 | 郑协锋 | Coagulant for coating and production technology for coagulant for coating |
| CN104004403B (en) * | 2014-06-05 | 2016-01-20 | 郑协锋 | A kind of coating setting accelerator and production technique thereof |
| CN106626170A (en) * | 2016-12-28 | 2017-05-10 | 中民筑友科技投资有限公司 | Mold release agent, preparation method and application |
| CN106626170B (en) * | 2016-12-28 | 2019-08-20 | 中民筑友科技投资有限公司 | Release agent, preparation method and application |
| CN112759565A (en) * | 2020-12-31 | 2021-05-07 | 苏州丰倍生物科技有限公司 | Grease-based polyamine curing agent and preparation method and application thereof |
| CN112759565B (en) * | 2020-12-31 | 2023-04-07 | 苏州丰倍生物科技股份有限公司 | Grease-based polyamine curing agent and preparation method and application thereof |
| CN116285645A (en) * | 2023-04-20 | 2023-06-23 | 张浩然 | Polyurethane waterproof coating and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1042549C (en) | 1999-03-17 |
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