CN1154707C - Method for producing modified rubber water-proof coatings - Google Patents
Method for producing modified rubber water-proof coatings Download PDFInfo
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- CN1154707C CN1154707C CNB981130747A CN98113074A CN1154707C CN 1154707 C CN1154707 C CN 1154707C CN B981130747 A CNB981130747 A CN B981130747A CN 98113074 A CN98113074 A CN 98113074A CN 1154707 C CN1154707 C CN 1154707C
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Abstract
The present invention provides a method for manufacturing waterproof paint of a polyurethane modification ethylene propylene terpolymer. The present invention has a main technique that after the generally processed ethylene propylene terpolymer slurry solution carries out solvent removal at the temperature of 50 to 90 DEG C, a diluting agent, a thickening agent and a plasticizing agent are added, and are uniformly mixed; a cross linking agent is added to be uniformly mixed at the temperature of 30 to 50 DEG C, and thus, a component B is prepared; a component A is polyurethane prepolymer resin; the component A and the component B are prepared into waterproof paint to carry out construction according to the proportion of 1: 3 to 8 at the construction field. The present invention has the advantages of convenient technique and construction, low production, storage and transportation costs, high solidifying speed of the product, strong elasticity and bonding performance of formed films, good antiaging performance and weatherability, and no environmental pollution.
Description
The present invention relates to a kind of can form the manufacturing process of the rubber water-proof paint of organic film substrate, especially a kind of manufacture method of polyurethane-modified EPT rubber waterproofing paint.
Using various types of waterproof to be coated with section on existing buildings widely, it is far away that its function and effect also differ.In these existing waterproof paints, though the better performances that has, cost, price are very high, are unfavorable for applying; Though the easy construction that has, but can cause environmental pollution, influence people's physical and mental health.Chinese patent CN1075490A discloses " a kind of manufacture method of rubber water-proof paint using water substituted for solvent ", its main technique is based on ethylene-propylene diene copolymer on traditional rubber slurry using manufacturing process basis, add reclaimed rubber, dispersion stabilizer, thickening material, acid-base modifier and emulsifying agent etc. are that dispersion medium directly is processed into water type waterproof paint on rubber mixing machine with ammoniacal liquor.This waterproof coating has that production cost is low, ageing resistance and stability are stronger, be easy to characteristics such as construction and non-environmental-pollution, but because its solids content is lower, dispersion medium is a large amount of aqueous solution, bring bigger burden for transportation and storage, cost is increased to some extent.In addition, this water type waterproof paint is subjected to the influence of weather and Base Smoothness etc. bigger when construction, reduces its result of use easily.It solidifies slowly in addition, becomes film elasticity and adhesivity relatively poor, and weather resisteant is relatively also not ideal.
Purpose of the present invention just is to overcome above-mentioned weak point of the prior art, propose a kind of processing and manufacturing and construct all easier, production cost and transportation, storage cost are lower, its products solidifying speed is fast, become film elasticity and adhesion property strong, ageing-resistant and weather resistance is excellent and the modified rubber water-proof coatings production technique of non-environmental-pollution.
The objective of the invention is that following technical proposal realizes by implementing: remove solvent under 50～90 ℃ of temperature of terpolymer EP rubber rubber cement solution that will form by the prior art formulated and the agitation condition, obtain glue solution of sticky shape, and under keeping this high temperature by the turps or dibutyl phthalate or the dioctyl phthalate (DOP) thinner that successively drop into 5～30 weight parts in the 100 weight part glues, the liquid Gu Malong softening agent of the terpene resin thickening material of 5～20 weight parts and 3～15 weight parts, be cooled to 30～50 ℃ after waiting to mix, add the glycerol linking agent of 1～5 weight part again.After mixing, naturally cool to room temperature and promptly become the second component of product of the present invention.And the first component of product of the present invention is commercially available polyurethane prepolymer resin, when construction is used at the scene.Be 1: 3～8 ratio preparation and mix coating and get final product in the weight ratio of first, second component.In above-mentioned technological process, employed thinner is turps preferably; Described desolventizing and married operation temperature preferably are controlled at about 80 ℃; The optimum fiting ratio of above-mentioned first component and second component is 1: 5.
Embodiment: will under the condition of 80 ℃ of temperature and continuously stirring, remove moisture content by the water as solvent terpolymer EP rubber rubber cement solution that prior art is processed as, after treating that it is glue solution of sticky shape, by the turps attenuant that successively adds 15 weight parts in the 100 weight parts dehydration glue, the commercially available terpine resin thickening material of 10 weight parts and the softening agent of 5 weight parts, and under 80 ℃ of temperature, continue to stir until mixing.Cool the temperature to then about 40 ℃, add the glycerol linking agent of 3 weight parts again, naturally cooling to room temperature after stirring promptly becomes the second component.When construction is used at the scene, adopt commercially available polyurethane performed polymer resin as the first component, and by the first component: 1: 5 weight proportion of second component carries out batch mixes evenly can apply construction immediately.
Technology of the present invention compared with prior art. Have processing and manufacturing and easy construction, production and transport, storage Cost is lower, and its products solidifying speed is fast, becomes film elasticity and adhesion property strong. ageing-resistant and weather resistance is excellent and The characteristics such as non-environmental-pollution are worthy of popularization. Product of the present invention is through Jiangxi Province's building scientific research designing institute reference standard JISA6021-1976 detects, and property indices is all qualified.
Polyurethane-modified EPT rubber waterproofing paint performance test table
| Specification requirement | Testing result | |
| Heat resistance | 80 ± 2 ℃, 5 hours no elephant skin of constant temperature, foaming phenomenon | 100 ℃, filmed unchanged in 5 hours |
| Low temperature flexibility | -10 ℃, 2 hours, by φ 10mm pole, film no reticulate pattern, crackle, peeling phenomenon | -25 ℃, 2 hours, qualified |
| Impermeability | Under 20 ± 2 ℃ of water temperatures, moving hydraulic pressure 0.1MPa, it is waterproof to film in 30 minutes | 20 ± 2 ℃ of water temperatures, moving hydraulic pressure 0.3MPa, 30 minutes are waterproof |
| Cementability | Under 20 ± 2 ℃, survey tensile strength with 8 type matrix methods, be not less than 0.2MPa | 0.26MPa |
| Anti-fragility | Under 20 ± 2 ℃, be coated with thickness 0.3-0.4mm, the wide 0.2mm that is not less than of basic crack films and does not ftracture | The wide 2mm of basic crack, film (thick 1mm) do not ftracture |
| Alkali resistance | Under 20 ± 2 ℃, saturated calcium hydroxide aqueous solution soaked 15 days, do not have peel off, foaming, layering, wrinkling | Qualified |
Claims (4)
1, a kind of manufacture method of modified rubber water-proof coatings, its processing step is: the terpolymer EP rubber rubber cement solution that will contain solvent removes solvent under 50～90 ℃ of temperature and agitation condition; Keep said temperature and in the glue solution of sticky shape of 100 weight parts, successively add turps or the dibutyl phthalate or the dioctyl phthalate (DOP) thinner of 5～30 weight parts, the liquid Gu Malong softening agent of the terpine resin thickening material of 5～20 weight parts and 3～15 weight parts; Be cooled to 30～50 ℃ after waiting to mix, the glycerol linking agent that adds 1～5 weight part again, after mixing, naturally cool to room temperature and be the second component, site operation uses the polyurethane prepolymer resin as the first component, and the weight proportion of itself and second component is 1: 3～8.
2, the manufacture method of a kind of modified rubber water-proof coatings according to claim 1 is characterized in that described thinner is a turps.
3, the manufacture method of a kind of modified rubber water-proof coatings according to claim 1 and 2 is characterized in that the mixing temperature that removes solvent and add thinner, thickening material and softening agent is 80 ℃.
4, the manufacture method of a kind of modified rubber water-proof coatings according to claim 3, the proportioning of first component and second component is 1: 5 when it is characterized in that the site operation use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB981130747A CN1154707C (en) | 1998-11-26 | 1998-11-26 | Method for producing modified rubber water-proof coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB981130747A CN1154707C (en) | 1998-11-26 | 1998-11-26 | Method for producing modified rubber water-proof coatings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1225378A CN1225378A (en) | 1999-08-11 |
| CN1154707C true CN1154707C (en) | 2004-06-23 |
Family
ID=5222854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB981130747A Expired - Fee Related CN1154707C (en) | 1998-11-26 | 1998-11-26 | Method for producing modified rubber water-proof coatings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1154707C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7776959B2 (en) * | 2006-11-29 | 2010-08-17 | Ppg Industries Ohio, Inc. | Coatings comprising terpene |
| CN104087074A (en) * | 2014-06-18 | 2014-10-08 | 蚌埠市光华金属制品有限公司 | Preparation method for water-emulsion-type ethylene-propylene-diene-monomer waterproof material |
| CN106519834A (en) * | 2016-11-25 | 2017-03-22 | 广东国立科技股份有限公司 | Modified polymer coating and preparation method thereof |
| CN110499075A (en) * | 2019-09-17 | 2019-11-26 | 苏州镁馨科技有限公司 | A kind of waterproof aluminum alloy materials and its application |
-
1998
- 1998-11-26 CN CNB981130747A patent/CN1154707C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1225378A (en) | 1999-08-11 |
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