CN1059747A - The special anti-corrosion water-proof material - Google Patents
The special anti-corrosion water-proof material Download PDFInfo
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- CN1059747A CN1059747A CN 90107642 CN90107642A CN1059747A CN 1059747 A CN1059747 A CN 1059747A CN 90107642 CN90107642 CN 90107642 CN 90107642 A CN90107642 A CN 90107642A CN 1059747 A CN1059747 A CN 1059747A
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- water
- mineral wool
- pitch
- advisable
- fillers
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Abstract
The anti-rotten waterproof paint of asphaltic base water-latex type be with pitch with by mineral wool (asbestos), the emulsion that unslaked lime, high molecular polymer etc. and water are made mixes and forms.This coating is suitable for roofing, the anti-rotten waterproof construction of the underground integral part of buildings, and construction can be more than 5 ℃, and is moist or carry out under the condition under water, and various detected results proofs have comparatively superior performance than prior art.
Description
The present invention relates to the manufacturing of water-proof material in the material of construction.
The anti-corruption of buildings and waterproof (particularly roofing and underground part) are big problems of construction industry, pitch is used existing many years as main water-proof material, its traditional constructional method is coating while hot after (280 ℃) that the pitch ebuillition of heated is smoldered, promptly so-called two felts, three oily sand and three floors of tarred felt and four floors of tar technologies.Because the pitch Heating temperature is too high, wherein macromolecular resin class material goes to pot, and causes the coverture poor flexibility, and is not ageing-resistant easily cracked.Simultaneously also because of when construction the drop table high temperature fire-cure and cause inclement condition, thereby be difficult to make construction quality to be guaranteed, so the usage period Gongwei 3～5 years.Therefore, single bituminous composition is changed into the general trend that composite asphalt or modifying asphalt coating become current waterproof paint development.When gross distortion on the accurate meaning of remarkable recoverable strain, oxidized bitumen be do not have elastic so under situation strict aspect flexibility, elasticity, anti-flowability and the resistance to fatigue countries in the world use the water-proof material of asphalt-polymer base much more more and more, for example U.S. manufacturer has entered Europe, and it mainly is to improve the bituminous components with various rubber for the roof waterproof product of development and production.Big industrial state then lays particular emphasis on the multiple waterproof paint of selecting for use extension property and the good synthetic resins of weather resistance to remove to develop water-latex type and response type.At present domestic having conducted a research used chemical spent material (plastics, polyurethanes) and waste old is made waterproof paint as modified asphalt material, and its kind has solvent-borne type and emulsion-type; Also have a kind of waterproofing unction, its raw material mostly is thiorubber, polyurethane(s), polyisobutylene rubber etc., is to mix those material modified making in pitch or coal tar.The volatile security of its solvent of solvent-type waterproofing paint is on duty mutually, and its coating thickness is 0.2～0.3mm only, and water tight integrity is poor.Waterproofing unction is only limited to certain limit (as roofing etc.) to be used, and effective right cost is higher, and the ointment that has (as the asphaltic base ointment) need reheat more than 140 ℃ when using, and construction has inconvenience.
The objective of the invention is to formulate a kind of anti-rotten waterproof paint of water-latex type of asphaltic base, its raw material is easy to get, and method for making is reasonable, and product performance are superior and easy construction is easily capable.
The present invention uses mineral wool (asbestos), and wilkinite is aided with the main raw of resin as the asphalt modification water-emulsifying type waterproof coatings in case of necessity.Adopt No. 60 oil road bitumens (penetration degree is 35～58 1/10 mm, 45～80 ℃ of softening temperatures), add the strict temperature of grasping in man-hour, avoid that wherein resin is destroyed when temperature is too high.Mineral wool, wilkinite and unslaked lime (CaO) are the stopping composition of coating.Mineral wool is a kind of fibrous texture that has, and can be split by " infinitely " and be divided into superfine and flexible fiber, thereby have very big surface-area, and the drop table is had extremely strong adsorptive power.Wilkinite also has similar effect.Join when under agitation the staple fibre mineral wool is dispersed into minimum particle (about 20um) in water in the pitch of heat, collide, shear down that pitch is pulverized, gel under stirring intensely, form one deck mineral wool hydration shell at asphalt surface, thereby stop regrouping of pitch particle to form stable suspension liquid.Concrete technology is: pitch is heated to 160 ℃ and checks its softening temperature, penetration degree, and 160～220 ℃ of insulations are standby when meeting the requirements.With mineral wool, wilkinite, decentralized system form slurry in water such as unslaked lime is standby.Steel basin heats up and also to keep 80～180 ℃, heated bitumen is added wherein, then discharging after stirring (rotating speed 400～600 change/hour) to add slurry (adding Resins, epoxy in case of necessity) stirred for several minute down.The used variety of raw material of the present invention, specification and proportioning are:
45～80 ℃ of pitch softening points
Penetration degree 35～58 1/10 mm 15.0～40.0%
8 grades of mineral wools, particulate state 15.0～40.0%
Wilkinite technical grade 0.0～15.0%
Unslaked lime one-level 0.0～10.0%
Resins, epoxy F-44 0.0～1.0%
Water 30.0～60.0%
Calcium in the raw material, magnesium ion and total amount must not surpass 20%.The coating appearance that the present invention makes is black or grey black look, and good dispersity in water does not have or have the brown oil slick of minute quantity.When building operation, adopt five to be coated with (coating) cloth (woven fiber glass or rubber coiled material) technology, can construct more than 5 ℃.
The advantage that the present invention compared with prior art has is: (1) adopts mineral wool, wilkinite and unslaked lime is the filler of asphalt water-emulsion coating, under agitation the pitch small-particle forms the mineral wool hydration shell outward and becomes stable suspension liquid, stores still to keep former suspension more than 3 years.(2) good with the prepared paint adhesion performance of the present invention, almost double than his coating with the cement mortar cohesive strength, coating is waterproof and higher water-absorbent is arranged, and its intensity still doubles than heated bitumen in water-absorbent decay back; Good stability in atmosphere has very high-stability in acidity or alkaline water, the life-span is long.(3) can coldly be coated with construction during product application, can under dampness, construct, even the building body submerged after construction is waterproof.This is that other like product is incomparable.(4) starting material sources is abundant, cheap and when using construction cost also very cheap.
Embodiment:
Specifications of raw materials, the proportioning used are:
Pitch penetration degree 55 1/10mm softening temperature 60C use 35%
8 grades of depositing dusts of mineral wool are cotton to use 20%
1 grade 9% of unslaked lime
Resins, epoxy F-44 0.5%
Water 35.5%
Earlier pitch is heated to 220 ℃ of dehydrations, standby 160 ℃ of insulations.It is standby that the water of mineral wool, lime and 80% is stirred into pulpous state emulsion, and steel basin is heated to more than 60 ℃, and pitch is added, stir again that ester is good mineral wool emulsion down, continue to stir 2min, last 20% water (80 ℃) is added, and discharging behind the stirring 2min, all processes is no more than 30min.
Its quality index is:
Thermotolerance: 5 hours no changes of 80 ℃ of constant temperature
Alkali resistance: immerse Ca(OH)
215 days no changes in the saturated solution.
Water-permeable: moving hydraulic pressure (19.6 * 10
4Pa) 30 minutes waterproof.
Flexible: 5 ℃ do not split around the 1cm rod
Splitting resistance Z: 20 ℃ of cracking resistance base room seam 3～4mm(test temperature)
Cohesive strength degree: 41.188 * 10
4Pa
Insulation: 2000～2500V
Salt fog: 2x0(SY2757-76)
Corrosion test: qualified (SY2752-82)
Humid heat test: 30x0(GB2360-80)
Claims (3)
1, based on pitch, be aided with the anti-rotten waterproof paint that high molecular polymer and other fillers are made, the invention is characterized in that fillers such as mineral wool, unslaked lime are stirred the emulsion made and 160～220 ℃ in water heated bitumen mixes and the water milk type coating made, raw material that it is used and prescription are:
Pitch 15.0～40.0%
Mineral wool 15.0～40.0%
Wilkinite 0.0～15.0%
Unslaked lime 0.0～10.0%
Resins, epoxy 0.0～1.0%
Water 30.0～60.0%
2, anti-water protective system manufacture method according to claim 1 the invention is characterized in the most handy No. 60 oil road bitumens of described pitch, and its penetration degree is that 35～58 1/10mm softening temperatures are 45～80 ℃ and are advisable; Mineral wool then is advisable with 8 grade particles shape asbestos or depositing dust cotton; Resins, epoxy is advisable with F-44.
3, anti-water protective system manufacture method according to claim 1 and 2, the invention is characterized in that best production technique is: earlier steel basin is heated to 80～180 ℃, the adding temperature is 160～220 ℃ a heated bitumen under stirring, add the emulsion of making by 80% water of fillers such as mineral wool and calculated amount again, stir 2min, add 20% water into 60 ℃ calculated amount at last, stir the 2min discharging, all processes is no more than 30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90107642 CN1029985C (en) | 1990-09-08 | 1990-09-08 | Special anti-corrosion and water-proof material] |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90107642 CN1029985C (en) | 1990-09-08 | 1990-09-08 | Special anti-corrosion and water-proof material] |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1059747A true CN1059747A (en) | 1992-03-25 |
| CN1029985C CN1029985C (en) | 1995-10-11 |
Family
ID=4880643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90107642 Expired - Fee Related CN1029985C (en) | 1990-09-08 | 1990-09-08 | Special anti-corrosion and water-proof material] |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1029985C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048163C (en) * | 1993-01-15 | 2000-01-12 | 刘延普 | Styptical medical paper |
| CN100335576C (en) * | 2005-11-18 | 2007-09-05 | 西北师范大学 | Anti-corrosive paint of epoxy resin based on aqueous bitumen, and preparation method |
| CN112430431A (en) * | 2020-11-25 | 2021-03-02 | 浙江欣苗化工有限公司 | Water-based asphalt anticorrosive paint for outdoor floors and preparation method thereof |
-
1990
- 1990-09-08 CN CN 90107642 patent/CN1029985C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048163C (en) * | 1993-01-15 | 2000-01-12 | 刘延普 | Styptical medical paper |
| CN100335576C (en) * | 2005-11-18 | 2007-09-05 | 西北师范大学 | Anti-corrosive paint of epoxy resin based on aqueous bitumen, and preparation method |
| CN112430431A (en) * | 2020-11-25 | 2021-03-02 | 浙江欣苗化工有限公司 | Water-based asphalt anticorrosive paint for outdoor floors and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1029985C (en) | 1995-10-11 |
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