CN101033332A - Polyurea elastic body heat preservation anti-rot protection material - Google Patents
Polyurea elastic body heat preservation anti-rot protection material Download PDFInfo
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- CN101033332A CN101033332A CN 200710014095 CN200710014095A CN101033332A CN 101033332 A CN101033332 A CN 101033332A CN 200710014095 CN200710014095 CN 200710014095 CN 200710014095 A CN200710014095 A CN 200710014095A CN 101033332 A CN101033332 A CN 101033332A
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- heat preservation
- elastic body
- body heat
- protection material
- epoxy alkane
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Abstract
This invention relates to an incubation and anticorrosion protective material of poly-urea elastomer. It is composed of A and B which weight ratio is equal. The component A is isocyanate, and B includes the weight components of following materials: 50-60% of amid-capped propylene oxide compound, 3-5% of diethyl toluenediamine, 4-6% of 2,4-diamido-3,5- methylthio chlorobenzene, 5-7% of N, N'-dialkyl diamine, 6-8% of N, N'- dialkyl methyl diamine, 2-4% of fumed silica, 3-5% of phosphate trimester, 3-7% of organosilicone, 4-6% of silica, 1-3% of zapon. It is suitable for the outside surface of large storage tank wall, overhead pipe or buried pipeline polyurethane foam, EPS foam, rock wool fiber, perlite or tank.
Description
Technical field
The present invention relates to polymer insulation antiseptic chemical material field, specifically is a kind of polyurea elastic body heat preservation anti-rot protection material.
Background technology
Traditional impregnating material is generally epoxy, chlorinated rubber, glass reinforced plastic.All there is following shortcoming: 1. toughness deficiency, cracking very easily under thermal stresses or shock action.2. system contains organic solvent, and is harmful.3. must adopt multiple working procedure, the cycle is long, efficient is low, and solvent evaporates causes pin hole that corrosive medium is infiltrated.Chinese patent (application number 200510110358) " a kind of flame-retardant type polyurea anti-corrosion coating of chemical industry steel structure and its manufacturing process of being used for " discloses a kind of new flame retardant type protective system, it comprises two kinds of component A and R, and A component wherein comprises that mixed aromatic polyisocyanates and low functionality polyether glycol, viscosity-depression agent, fire retardant form; The R component is by Amino Terminated polyether(ATPE), amine chain extender, fire retardant, oxidation inhibitor, flow agent, pigment, filler, and the bicomponent normal temperature of forming with Resins, epoxy amine solidifying agent is coating material solidified, makes anti-corrosion primer; Solidify guarantor's look coating as finish paint by acrylic resin, aliphatic isocyanates solidifying agent bicomponent normal temperature.And the manufacturing process that changes material disclosed.From its disclosed technology contents, overcome the problem that general technology exists substantially, and the technical indicator of product is improved.But mainly have the starting material unreasonable allocation, cause material configuration numerous and diverse, production unit requires high, and complex manufacturing is difficult to be applied.
Summary of the invention
Purpose of the present invention is exactly the defective that exists at prior art, provides a kind of material configuration reasonable, uses tradition, simple production technology can increase substantially the polyurea elastic body heat preservation anti-rot protection material of the technical indicator of product.
Its technical scheme is: the A of weight ratios such as employing, B two-pack constitute.The A component is an isocyanic ester, the B component comprises the following raw materials according composition that accounts for the B components by weight: amino-terminated epoxy alkane compound 50-60%, diethyl toluene diamine 3-5%, 2,4-diamino-3,5-methylthio group chlorobenzene 4-6%, N, N '-dialkyl group diamines 5-7%, N, N '-dialkyl methyl diamines 6-8%, aerosil 2-4%, tris phosphite 3-5%, organosilicon 3-7%, silicon-dioxide 4-6, nitrocotton 1-3%.
Described amino-terminated epoxy alkane compound is made up of primary amino end-blocking epoxy alkane compound 20-25%, secondary amino group end-blocking epoxy alkane compound 30-35%.Also comprise mill base 1-3% in the B component.
Beneficial effect:
The contrast (seeing the following form) of material of the present invention (SPUA) and traditional environment friendly coated package material
Project category | High solid coating | Water-borne coatings | UV coating | Powder coating | The SPUA material |
VOC content (g/L) | 50-150 | 0-150 | 0 | 0 | 0 |
Constructional method | Conventional | Conventional | Novel | Novel | Novel |
Antiseptic property | Good | Generally | Generally | Outstanding | Outstanding |
Be suitable for ground | Do not limit | Do not limit | Timber is main | Metal | Do not limit |
Construction environment | More than 0 ℃ | More than 5 ℃ | In the factory building | In the factory building | Do not limit |
One-pass film-forming thickness | <150um | <100um | <50um | <800um | Centimetre-sized |
Its advantage:
1. fast setting does not contain catalyzer, can spray mo(u)lding on arbitrary surface, inclined-plane and vertical surface, do not produce the sagging phenomenon.
2. to moisture, temperature-insensitive, be not subjected to the influence of envrionment temperature, humidity during construction.Can be in construction on ice;-28 ℃ of constructions down; Can in refrigerator-freezer, solidify.
3. two-pack, 100% solid content does not contain any volatile organic matter (VOC), compliance with environmental protection requirements.
4. can spray or pour into a mould by 1: 1 volume ratio, once Shi Gong thickness range can overcome in the past the repeatedly disadvantage of construction from hundreds of microns to several centimetres.
5. You Yi physicochemical property, intensity is good, elongation is high, snappiness is good, wear resistance is high, ageing-resistant, protection against corrosion etc.
6. sticking power is good.All kinds of grounds such as steel, cast iron, aluminium, concrete, timber, foam all there is good sticking power.
7. can introduce short glass fiber strengthens material.Weather resisteant is good, the not efflorescence of outdoor life-time service, does not ftracture.
8. have good thermostability, can bear 350 ℃ thermal shocking in short-term at 120 ℃ of following life-time service.
9. can add various face, dyestuff as common coating, make the goods of different colours.
10. formula system is adjustable arbitrarily, feel from soft rubber (Shao A30) to hard elastics body (Shao D65).
11. the original shape reproducibility is good, coating is continuous, fine and close, and no seam, free of pinholes are both artistic and practical.
12. the use suite of equipment, easy construction, efficient is high; Once construction can reach the design thickness requirement, has overcome the disadvantage of multilayer construction in the past.
Embodiment:
List 3 typical embodiment below by the form of form, wherein two kinds of components of A, B were by 1: 1 weight ratio, and the percentage ratio in the B component is the weight percent of relative B component.
The starting material title | Embodiment 1 (%) | Embodiment 2 | Embodiment 3 | |
A | Isocyanic ester | 100 | 100 | 100 |
B | Primary amino end-blocking epoxy alkane compound secondary amino group end-blocking epoxy alkane compound diethyl toluene diamine N, N '-dialkyl group diamines N, N '-dialkyl methyl diamines 2,4 '-diamino-3,5 '-methylthio group chlorobenzene tris phosphite aerosil organosilicon silicon-dioxide nitrocotton mill base | 20 35 5 7 7 5 5 3 6 5 2 0 | 25 30 5 6 6 5 5 3 5 5 2 3 | 25 35 4 5 7 4 3 2 6 5 2 2 |
Its producing process is all material proportionally to be poured in the dispersion tank (remove the mill base part), with dispersion machine with dispersion of materials evenly after, add mill base and continue to disperse to get final product discharging, packing after evenly.The product that the foregoing description makes have 1. coating continuously, densification, no seam, barrier propterty be very outstanding.2. anticorrosion and heat preservation technology are combined, improved construction quality and progress greatly.3. beautiful in colour, regulate arbitrarily.The high ageing-resistant performance of the strength of materials is outstanding, and be 5 times of traditional material work-ing life.The determination techniques parameter value is: solid content 100%, gel time 15 seconds, tensile strength 22MPa, tensile yield 35%, tear strength 77KN/m, hardness, Shao D60-70, sticking power 10MPa, wear resistance 80mg, density 1.03-1.10g/cm
3Be particularly suitable for the protection on the outer break iron skin surface of large-scale storage tank outer wall, suspension pipe line or buried pipeline polyurethane foam, eps foam, rock wool fibers, perlite or basin.
Claims (3)
1, a kind of polyurea elastic body heat preservation anti-rot protection material; the A of weight ratios such as employing, B two-pack constitute; it is characterized in that the A component is an isocyanic ester; the B component comprises the following raw materials according composition that accounts for the B components by weight: amino-terminated epoxy alkane compound 50-60%, diethyl toluene diamine 3-5%, 2; 4-diamino-3; 5-methylthio group chlorobenzene 4-6%, N; N '-dialkyl group diamines 5-7%, N, N '-dialkyl methyl diamines 6-8%, aerosil 2-4%, tris phosphite 3-5%, organosilicon 3-7%, silicon-dioxide 4-6, nitrocotton 1-3%.
2, polyurea elastic body heat preservation anti-rot protection material according to claim 1 is characterized in that: described amino-terminated epoxy alkane compound is made up of primary amino end-blocking epoxy alkane compound 20-25%, secondary amino group end-blocking epoxy alkane compound 30-35%.
3, polyurea elastic body heat preservation anti-rot protection material according to claim 1 and 2 is characterized in that: also comprise mill base 1-3% in the B component.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2007100140952A CN101033332B (en) | 2007-04-03 | 2007-04-03 | Polyurea elastic body heat preservation anti-rot protection material |
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CN2007100140952A CN101033332B (en) | 2007-04-03 | 2007-04-03 | Polyurea elastic body heat preservation anti-rot protection material |
Publications (2)
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CN101033332A true CN101033332A (en) | 2007-09-12 |
CN101033332B CN101033332B (en) | 2011-04-06 |
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CN2007100140952A Expired - Fee Related CN101033332B (en) | 2007-04-03 | 2007-04-03 | Polyurea elastic body heat preservation anti-rot protection material |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101614081B (en) * | 2009-07-13 | 2011-01-19 | 天津开发区科泰化工新材料开发有限公司 | Water-proof and corrosion-proof processing method of bottom margin plate of storage tank |
CN103754514A (en) * | 2013-11-20 | 2014-04-30 | 青岛天人环境股份有限公司 | Organosilicone-modified organic polymer corrosion-resistant spliced tank |
CN112210278A (en) * | 2019-07-12 | 2021-01-12 | 常州市大使涂料有限公司 | Polyurea spraying elastomer for pipeline corrosion prevention |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3731067A1 (en) * | 1987-09-16 | 1989-04-06 | Basf Ag | INGREDIENT MOLDING |
CN1025207C (en) * | 1989-05-29 | 1994-06-29 | 泸州市皮革化工厂 | Aquo-latex coatings at the surface of leather |
CN1070931A (en) * | 1992-11-04 | 1993-04-14 | 王南 | Pit-sheel emulsion type coating stuff for leather |
CN1103421A (en) * | 1993-12-03 | 1995-06-07 | 陶俊仁 | Transparent polyurethane varnish |
CN1088724C (en) * | 1999-05-18 | 2002-08-07 | 安徽大学恒泰精细化工公司 | Process for synthesizing aqueous emulsion of nitrocellulose-polyurethane and water-dilutable solution |
CN1280360C (en) * | 2004-04-06 | 2006-10-18 | 陈阵 | Ship coating of marine organism adhesion and preparation thereof |
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 |
-
2007
- 2007-04-03 CN CN2007100140952A patent/CN101033332B/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101614081B (en) * | 2009-07-13 | 2011-01-19 | 天津开发区科泰化工新材料开发有限公司 | Water-proof and corrosion-proof processing method of bottom margin plate of storage tank |
CN103754514A (en) * | 2013-11-20 | 2014-04-30 | 青岛天人环境股份有限公司 | Organosilicone-modified organic polymer corrosion-resistant spliced tank |
CN112210278A (en) * | 2019-07-12 | 2021-01-12 | 常州市大使涂料有限公司 | Polyurea spraying elastomer for pipeline corrosion prevention |
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Publication number | Publication date |
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CN101033332B (en) | 2011-04-06 |
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