CN101033336A - Polyurea elastic body crashproof protection material - Google Patents
Polyurea elastic body crashproof protection material Download PDFInfo
- Publication number
- CN101033336A CN101033336A CN 200710014099 CN200710014099A CN101033336A CN 101033336 A CN101033336 A CN 101033336A CN 200710014099 CN200710014099 CN 200710014099 CN 200710014099 A CN200710014099 A CN 200710014099A CN 101033336 A CN101033336 A CN 101033336A
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- CN
- China
- Prior art keywords
- elastic body
- protection material
- epoxy alkane
- alkane compound
- polyurea elastic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Abstract
This invention relates to a bull protective material of polyurea elastomer. It is composed of A and B which weight ratio is equal. A component is isocyanate, and B includes the weight components of following materials: 55-75% of amid-capped propylene oxide compound, 4-7% of diethyl toluenediamine, 5-7% of N, N'-dialkyl diamine, 2-8% of N, N'- dialkyl methyl diamine, 3-5% of 2,4-diamido-3,5- methylthio chlorobenzene, 1-6% of triphenyl phosphate, 1-3% of organobentonites, 1-2% of organosilicon. It has shock resistance, and resistance of wear, extrusion, oil, water, and weather.
Description
Technical field
The present invention relates to be applied to anti-mechanical collision macromolecule chemical industry material field, specifically is a kind of polyurea elastic body crashproof protection material.
Background technology
Be used for body ship fender, the floating level ground of harbour, bumper boat, yacht, racing car and guardrail at present; and the slide of entertainment body-building, the sfgd. that the facility that often bumps such as drives normally use damaged tire, but damaged tire exists shortcomings such as weight is big, crashworthiness is poor, damaged back is just ineffective fully.
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, shock resistance, the polyurea elastic body crashproof protection material of waterproof antiwear.
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 55-75%, diethyl toluene diamine 4-7%, N, N '-dialkyl group diamines 5-7%, N, N '-dialkyl methyl diamines 2-8%, 2,4-diamino-3,5-methylthio group chlorobenzene 3-5%, triphenyl phosphite 1-6%, organic boron-moisten soil 1-3%, organosilicon 3-9%.
Described amino-terminated epoxy alkane compound is made up of primary amino end-blocking epoxy alkane compound 30-40%, secondary amino group end-blocking epoxy alkane compound 25-35%.Also comprise mill base 1-3% in the B component.
Beneficial effect of the present invention:
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, the organic boron-moisten soil triphenyl phosphite of 5-methylthio group chlorobenzene organosilicon mill base | 30 25 7 7 8 5 3 6 8 1 | 35 25 6 6 7 5 3 6 7 0 | 30 30 6 6 7 5 3 5 5 3 |
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 is with closed pore, and hydrophobic foam is a core, and polyurea elastomer is made the novel fender of covering, has following characteristics: 1, core is a closed pore, and hydrophobic foam is in light weight, and energy absorption capacity is good, even breakage can not absorb water yet; 2, polyurea elastomer protective layer impact resistance, rub resistance, anti-extruding, oil resistant, water-fast, weather resisteant is good; 3, dependable performance, easy for installation, upkeep cost is low, and is both artistic and practical.The determination techniques parameter value is: solid content 100%, gel time 12 seconds, tensile strength 15MPa, tensile yield 320%, tear strength 75KN/m, hardness, Shao A90-95, sticking power foam destruction, wear resistance 85mg, density 1.03-1.10g/cm
3
Claims (3)
1, a kind of polyurea elastic body crashproof 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 55-75%, diethyl toluene diamine 4-7%, N; N '-dialkyl group diamines 5-7%, N; N '-dialkyl methyl diamines 2-8%, 2; 4-diamino-3,5-methylthio group chlorobenzene 3-5%, triphenyl phosphite 1-6%, organic boron-moisten soil 1-3%, organosilicon 3-9%.
2, polyurea elastic body crashproof 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 30-40%, secondary amino group end-blocking epoxy alkane compound 25-35%.
3, polyurea elastic body crashproof 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 |
|---|---|---|---|
| CN 200710014099 CN101033336A (en) | 2007-04-03 | 2007-04-03 | Polyurea elastic body crashproof protection material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710014099 CN101033336A (en) | 2007-04-03 | 2007-04-03 | Polyurea elastic body crashproof protection material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101033336A true CN101033336A (en) | 2007-09-12 |
Family
ID=38730092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710014099 Pending CN101033336A (en) | 2007-04-03 | 2007-04-03 | Polyurea elastic body crashproof protection material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101033336A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572721A (en) * | 2013-10-04 | 2014-02-12 | 黄昌庆 | Anticollision rolling type guard rail |
| CN113122117A (en) * | 2020-01-14 | 2021-07-16 | 山东康德孚美绿道股份有限公司 | Colored asphalt pavement protective agent and preparation method thereof |
-
2007
- 2007-04-03 CN CN 200710014099 patent/CN101033336A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572721A (en) * | 2013-10-04 | 2014-02-12 | 黄昌庆 | Anticollision rolling type guard rail |
| CN113122117A (en) * | 2020-01-14 | 2021-07-16 | 山东康德孚美绿道股份有限公司 | Colored asphalt pavement protective agent and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20070912 |