CN110128946A - Bi-component Rubber Modified Asphalt Waterproof Coating and its preparation method and application - Google Patents

Bi-component Rubber Modified Asphalt Waterproof Coating and its preparation method and application Download PDF

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Publication number
CN110128946A
CN110128946A CN201811304665.6A CN201811304665A CN110128946A CN 110128946 A CN110128946 A CN 110128946A CN 201811304665 A CN201811304665 A CN 201811304665A CN 110128946 A CN110128946 A CN 110128946A
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China
Prior art keywords
rubber
modified asphalt
component
rubber modified
pitch
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CN201811304665.6A
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Chinese (zh)
Inventor
伍盛江
胡豫
陆善庆
郭文雄
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Xiniupi Waterproof Technology Co Ltd
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Xiniupi Waterproof Technology Co Ltd
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Publication of CN110128946A publication Critical patent/CN110128946A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/28—Multiple coating on one surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/12—Conjugate fibres, e.g. core/sheath or side-by-side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14—Mixture of at least two fibres made of different materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/308—Heat stability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/582—Tearability
    • B32B2307/5825—Tear resistant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • B32B2307/734—Dimensional stability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof

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  • Life Sciences & Earth Sciences (AREA)
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Abstract

The invention discloses a kind of two-component Rubber Modified Asphalt Waterproof Coatings, and be 1 by mass percent: first component and the second component of (0.1~1.0) are constituted；First component is mixed with by the component of following mass percent: pitch 25.8~56%, rubber 6~15.4%, bitumen regenerant 6~24.5%, emulsifier 0.8~4.0%, stabilizer 0.03~5.0%, other auxiliary agents 0~5.0%, water are surplus；Wherein, the sum of mass percent of pitch and bitumen regenerant is 46%~63%；Second component is one of active filler or inert filler or a variety of；And its preparation method and application.Product of the present invention uses bitumen regenerant, and the rubber of addition is merged with pitch, is not in segregation phenomenon, and modified pitch high temperature viscosity can be greatly reduced in bitumen regenerant, and so that the modified pitch of high rubber accounting is emulsified difficulty reduces.

Description

Bi-component Rubber Modified Asphalt Waterproof Coating and its preparation method and application
Technical field
The present invention relates to pitch processing technique field, especially a kind of bi-component Rubber Modified Asphalt Waterproof Coating, and its Preparation method and purposes.
Background technique
Water-repellent paint is mainly used in the sealing water-proofing treatment of building large area and detail treatment.Water-repellent paint through brush or It is sprayed at basal plane, good integrity, jointless waterproof coating layer is formed after solidification, has preferable caking property and sealing with basal plane Property.But generally requiring scumbling multiple tracks using water-repellent paint can be only achieved required waterproofing layer thickness, due to the dry speed of water-repellent paint Degree is slow, for example, emulsion-type water-repellent paint apply upper one layer of water-repellent paint such as man-hour requirement it is dry after can just carry out next layer of waterproof and apply Material construction is brushed, and not only construction efficiency is low, and time interval is longer between multiple tracks coating, easily causes and is layered between coating, Lead to not repair waterproof failure, especially as rain weather, coating met when unseasoned rainwater impregnate be easy to cause Newborn phenomenon is returned, leads to the breaking-up of coating quality, loses waterproof effect.
For another example U.S. Henry company-Wet PatchTMThe roof leakage maintenance product of brand, such sealed product Used the organic solvent of low volatility, rate of drying is extremely slow, and drying time is very long, generally require fortnight or more when Between could dry, and can not construct in the case where basal plane humidity, which is that pitch and fibre object form, and is done Sealant elasticity is poor after dry, inadequate durable.
Summary of the invention
In view of the deficiencies of the prior art, the present invention proposes a kind of modified waterproof asphalt material, there is high rubber content, high-elastic Property, large arch dam, endurance aging, the advantages that adhesive property is excellent, repair leak repairing field effect in special-shaped roof waterproof, old roof Prominent, excellent water resistance is with a wide range of applications.
In order to achieve the above-mentioned object of the invention, the present invention is the following technical schemes are provided: a kind of Rubber Modified Asphalt Waterproof Coating, It is characterized in that, the raw material of the water-repellent paint forms are as follows: by mass percent be 1: first component of (0.1~1.0) and the Two components are constituted；
First component is mixed with by the component of following mass percent:
Pitch 25.8~56%
Rubber 6~15.4%
Bitumen regenerant 6~24.5%
Emulsifier 0.8~4.0%
Stabilizer 0.03~5.0%；
Other auxiliary agents 0~5.0%
Water surplus
Wherein, the sum of mass percent of pitch and bitumen regenerant is 46%~63%；
Second component is one of active filler or inert filler or a variety of.
Further, the active filler is one of cement, gypsum, calcium oxide, powder of lacquer putty for use on or a variety of；The inertia Filler is one of silica flour, titanium dioxide, barium sulfate, Paris white, talcum powder, kaolin, rubber grain or a variety of.
Further, the rubber of first component accounts for the 10%~22% of pitch, rubber and bitumen regenerant total amount, preferably 12%~20%.
Further, after the Rubber Modified Asphalt Waterproof Coating is solid, low-temperature tenderness≤- 20 DEG C, 2h flawless, bonding is by force Degree >=0.5MPa, 48h water absorption rate≤7.0%, heat resistance >=90 DEG C, stress relaxation≤35%, and do not departed from adhesive surface, it bridges Crack ability >=0.25mm, seam deformability >=5000 time are recycled without destruction.
Further, the rubber be star-shaped sbs, it is type SBS, SBR, SIS, SEBS, butyl rubber, neoprene, suitable One of buna, isoprene rubber, EP rubbers, silicon rubber, nitrile rubber, ethylene propylene diene rubber or natural rubber are more Kind mixture.
Further, the bitumen regenerant is using high-quality naphthenic base heavy oil as raw material, through normal pressure and vacuum distillation At.
Further, the bitumen regenerant is 1600~2300mPas, 0 DEG C of 100g, pitch in 60 DEG C of rotary viscosities The needle penetration (5s) of regenerative agent is 190~230mm, flash-point >=210 DEG C, heating quality loss (190 DEG C, 30min) 0~3.0%.
Further, the stabilizer is CaCl2, acid, polyvinyl alcohol, one of ethylene glycol or propylene glycol or a variety of.
Further, the acid is nitric acid, sulfuric acid or hydrochloric acid.
Further, other described auxiliary agents are hydroxyethyl cellulose, hydroxypropyl cellulose, carboxymethyl cellulose, alkali soluble is swollen One of association thickener, association type polyurethane thickener or a variety of mixtures.
A kind of preparation method of modified waterproof asphalt material as described above, comprising the following steps:
(1) pitch is heated to 100 DEG C~160 DEG C, bitumen regenerant, rubber is added, be warming up to 180 DEG C~200 DEG C, perseverance Temperature maintains 2~5 hours, obtains rubber modified asphalt；
(2) water, emulsifier and other auxiliary agents are mixed evenly, are warming up to 40 DEG C~80 DEG C, obtain soap lye, adjust pH value 9 ~13；
(3) by step, (1) (2) soap lye is mixed for rubber modified asphalt and step, is stirred evenly, emulsification treatment；
(4) stabilizer is added after (3) emulsifying to step in product, adjusts pH value 3~7, stirs evenly；
(5) (4) stirred evenly in product to step and the second component is added, be uniformly dispersed.
Further, the solid content of product is 60%~70% after (3) step emulsifies.
A kind of Rubber Modified Asphalt Waterproof Coating be used for indoor waterproof, pond waterproof, roof waterproof, underground project waterproof, Bridge waterproof, tunnel water proofing, road surface waterproof and other construction waterproofing engineerings.
It further, further include active additive, the active additive is cement, in gypsum, calcium oxide, powder of lacquer putty for use on It is one or more.
It is to belong to styrene analog thermoplastic elastomer material that the abbreviation of above-mentioned rubber, which is respectively as follows: SBS, is styrene-fourth two Alkene-styrene triblock copolymer.SBR is styrene-butadiene rubber, by butadiene and it is styrene copolymerized be made.APP is thermoplasticity Resin, random polypropylene.SIS is thermoplastic elastic material, is styrene-isoprene-styrene block copolymer.SEBS For thermoplastic elastic material, it is made by SBS plus hydrogen.
Compared with prior art, the invention has the following advantages that being used in Rubber Modified Asphalt Waterproof Coating of the present invention Bitumen regenerant enables the rubber of addition to be merged with pitch, is not in segregation phenomenon, and bitumen regenerant can be big Width reduces modified pitch high temperature viscosity, and so that the modified pitch of high rubber accounting is emulsified difficulty reduces, it is ensured that rubber in modified pitch Content is high.In addition high performance emulsification system: the type selecting (emulsifier compounding) of emulsifier+emulsification machinery selection (entrance is used The premix device at place)+emulsifying process control (control outlet pressure, the gap of bistrique and revolving speed etc.), guarantee in less cream In the case where agent additive amount, the emulsifying product of high solids content can be prepared.Stabilizer is added into product of the present invention, is avoided Demulsifying phenomenon occurs, and guarantees the storage stability in product later period.
In rubber constituent, especially star-shaped sbs, the reason of because of self structure, cohesive force is big compared with other rubber modifier.Cause This, the extremely difficult emulsification in traditional emulsification system；Even if temporarily emulsifying successfully, the storage stability of product is also bad, easily broken Therefore cream hardly selects.Star-shaped sbs because of itself internally crosslinked structure, the modified pitch being prepared whether intensity, Ageing-resistant performance or cryogenic property, high temperature resistance are got well than adding the finished product of other modifying agent of equal proportion.Therefore, Based on the modified product of the present invention of star-shaped sbs, there is better rubber property --- it is intensity, ageing-resistant performance, cryogenic property, resistance to High-temperature behavior.With longer service life and anti-water availability.Simultaneously, moreover it is possible to reduce cost.
Bi-component Rubber Modified Asphalt Waterproof Coating in the present invention can prepare the modified waterproof of the first component rubber in factory Coating when site operation, adds the second component.The first component and the second component just can also be mixed with rubber in factory to change Property water-repellent paint.
Detailed description of the invention
Fig. 1 is the preparation technology flow chart of modified waterproof asphalt material of the present invention.
Specific embodiment
Following description is the materialization to the claims in the present invention, and relevant to claim other without clear The specific implementation of explanation also belongs to the scope of the claims.
The present invention will be described in detail combined with specific embodiments below.
A kind of emulsified modified asphalt water-repellent paint, the water-repellent paint raw material composition are as follows: by mass percent be 1: First component of (0.1~1.0) and the second component are constituted；
First component is mixed with by the component of following mass percent:
Pitch 25.8~56%
Rubber 6~15.4%
Bitumen regenerant 6~24.5%
Emulsifier 0.8~4.0%
Stabilizer 0.03~5.0%；
Other auxiliary agents 0~5.0%
Water surplus
Wherein, the sum of mass percent of pitch and bitumen regenerant is 46%~63%；
Second component is one of active filler or inert filler or a variety of.
The active filler is one of cement, gypsum, calcium oxide, powder of lacquer putty for use on or a variety of；The inert filler is stone One of Ying Fen, titanium dioxide, barium sulfate, Paris white, talcum powder, kaolin, rubber grain are a variety of.
The rubber of first component accounts for the 10%~22% of pitch, rubber and bitumen regenerant total amount, preferably 12%~ 20%.
Rubber is star-shaped sbs, type SBS, SBR, SIS, SEBS, butyl rubber, neoprene, butadiene rubber, isoamyl rubber One of glue, EP rubbers, silicon rubber, nitrile rubber, ethylene propylene diene rubber or natural rubber or a variety of mixtures.
Fig. 1 is the process flow chart of Rubber Modified Asphalt Waterproof Coating preparation method, is described in detail below:
One: the preparation of high rubber content modified pitch；
Pitch is first heated to 100 DEG C~160 DEG C, adds rubber, bitumen regenerant, is heated up, 180 DEG C~200 DEG C models In enclosing, constant temperature is 2~3 hours modified, and rubber modified asphalt is made；Wherein rubber accounting is 10%~22%；
Two: soap lye preparation；
Water, emulsifier and other auxiliary agents are mixed evenly, are warming up to 40 DEG C~80 DEG C, soap lye is made, adjust pH value 9 ~13；
Three: the preparation of emulsified modified asphalt；
By rubber modified asphalt obtained, soap lye simultaneous pumping to emulsifying device, emulsification is made after emulsifying device emulsifies Modified pitch, solid content are 60%~70%；
Four: addition stabilizer；
Stabilizer is added in emulsified modified asphalt obtained, pH value 3~7 is adjusted, stirs evenly, and the modified drip of emulsification is made Green water-repellent paint crude product；
Five: addition filler；
Filler is added in emulsified modified asphalt water-repellent paint crude product obtained, is uniformly dispersed, rubber modified asphalt is made Water-repellent paint.
Wherein, in the said goods and preparation method thereof, bitumen regenerant uses naphthenic base heavy oil as raw material, first 300 Air-distillation under the conditions of~320 DEG C of temperature, then be evaporated under reduced pressure under the conditions of 440~460 DEG C of temperature is big by smell, molecular weight is small Light component distillate after be made bitumen regenerant；Described 60 DEG C of rotary viscosities of bitumen regenerant are 1600~2300mPas；0 DEG C, 100g, the needle penetration (5s) of bitumen regenerant is 190~230mm, flash-point >=210 DEG C, heating quality loss (190 DEG C, 30min) 0~3.0%.
In the preparation method of the said goods, rubber content is 10%~22% in modified pitch made from step 1.
In the said goods and preparation method thereof, other auxiliary agents are hydroxyethyl cellulose, hydroxypropyl cellulose, carboxymethyl cellulose Element, alkali soluble is swollen one of association thickener, association type polyurethane thickener or a variety of, adding proportion are 0%~5.0%.
In the said goods and preparation method thereof, stabilizer CaCl2, acid, alkali, one of alcohol or a variety of；The preferred nitre of acid Acid, sulfuric acid, hydrochloric acid；The preferred ammonium hydroxide of alkali, sodium hydroxide, sodium carbonate；The preferred polyvinyl alcohol of alcohol, ethylene glycol, propylene glycol.
Wherein, stabilizer uses CaCl2, one or both of acid；And polyvinyl alcohol, ethylene glycol, propylene glycol are general Stabilizer.
Emulsified modified asphalt water-repellent paint of the present invention has following technical characterstic:
1. high rubber content, high resiliency, large arch dam, endurance aging
Aqueous large arch dam, high rubber content emulsified modified asphalt water-repellent paint have bullet using rubber as function raw material Property high, rubber property that endurance aging ability is strong.Even if generating the stretching repeatedly and extruding of stress in concrete Dynamic cracking Under effect, which still ensures that structural integrity.Aqueous large arch dam, high rubber content emulsified modified asphalt water-repellent paint are done Coating it is moist, even soak in the environment of, mechanical performance conservation rate still with higher.
2. adhesive property is excellent
Aqueous large arch dam, high rubber content emulsified modified asphalt water-repellent paint and common construction material (such as concrete, gold Category, plastics etc.) there is preferable bond effect, have multiple solutions attachment function.Connection for different construction material junctions Sealed waterproof effect is obvious, such as drain gully, wall pipe, the waterproof for going out roofing pipe root, pile crown position of joints.
3. prominent in special-shaped roof waterproof, old roof maintenance leak repairing field effect
Aqueous large arch dam, high rubber content emulsified modified asphalt water-repellent paint require waterproof matrix condition not harsh, tide Wet, out-of-flatness basal plane can construct, and artificial brushing or mechanically spraying can be selected according to engineering characteristics when construction.To base's item Part, base's material have stronger adaptability, can effectively bond in the old base after weathering, repair and mend in old roof It leaks in engineering, solves traditional material and old basal plane adhesiving effect is undesirable and material problem that waterproof effect can not play, The blank of China's old roof maintenance leak repairing Special waterproof material is filled up.
4. excellent water resistance
Water resistance is less than tradition less than 8% after aqueous large arch dam, high rubber content emulsified modified asphalt water-repellent paint are solid Water-based material, and the mechanical performance of material, adhesion property conservation rate are high after immersion.Efficiently solve traditional material moist or Person's Soaking environment is easy to return cream under (especially toilet), leads to coating machinery strength reduction, elongation percentage significantly problem.Aqueous height Admittedly contain, high rubber content emulsified modified asphalt water-repellent paint it is environmentally protective in production and construction, application process nonhazardous, weatherability It is good, it can be sealing adhesive with concrete, plastics, metal, ceramics, waterproof effect is excellent, therefore is with a wide range of applications.
Embodiment 1
A kind of Rubber Modified Asphalt Waterproof Coating, including component A and B component, component A are that waterproof is refined element, and B component is to fill out Material；
The mass percent of each raw material in component A are as follows:
110# pitch: 28.3%
Star-shaped sbs rubber: 15.1%
Bitumen regenerant: 13.5%
Neopelex: 3.9%
Polyvinyl alcohol: 0.2%
Hydroxyethyl cellulose: 4.6%
Water: surplus.
B component: the filler is calcium oxide, accounts for 31%.
The preparation method of the said goods, is described in detail below:
One: the preparation of high rubber content modified pitch；
110# pitch is first heated to 100 DEG C~160 DEG C, adds star-shaped sbs rubber, bitumen regenerant, is heated up, 180 DEG C~200 DEG C within the scope of constant temperature modified 2~3 hours, high rubber content modified pitch is made；
Two: soap lye preparation；
Water, neopelex, hydroxyethyl cellulose are mixed evenly, are warming up to 40 DEG C~80 DEG C, is made Soap lye；
Three: the preparation of emulsified modified asphalt；
By high rubber content modified pitch obtained, soap lye simultaneous pumping to emulsifying device, made after emulsifying device emulsifies Obtain the emulsified modified asphalt of large arch dam, high rubber content；
Four: addition stabilizer；
Large arch dam obtained, high rubber content emulsified modified asphalt in add CaCl2, stir evenly, be made aqueous Large arch dam, high rubber content emulsified modified asphalt waterproof essence；
Five: addition filler；
Calcium oxide is added in aqueous large arch dam obtained, high rubber content emulsified modified asphalt waterproof essence, is dispersed Uniformly, Rubber Modified Asphalt Waterproof Coating is made.
It is required according to the method for GB/T 16777-2008 " building water-proof paint experimental method ": low after water-repellent paint is solid Gentle degree: -25 DEG C (2h flawless), water absorption rate (48h): 5.3%, heat resistance: 100 DEG C, adhesion strength: 0.73MPa, stress pine Relax: 25% (and not departing from adhesive surface) bridges crack ability: 1.1mm, and seam deformability 6000 times circulations are without destruction.
The indices method of inspection
1. low temperature flexibility
Sample preparation: being 23 ± 2 DEG C in temperature, and humidity is under (50 ± 10) % environment, and the thin slice of 1.5 ± 0.2mm is made in film, It is transferred in 40 DEG C of constant temperature oven and conserves 2 days after solid 4 days, 23 ± 2 DEG C are cooled to after taking-up；
It cuts out sample: cutting 3 pieces of test specimen of (50 × 50) mm；
Test: test specimen is put into low temperature refrigerator, under assigned temperature (such as -20 DEG C) after constant temperature 1 hour, diametrically by test specimen To be bent 180 ° in the bent plate 3s of 20mm, whether observation surface of test piece has crackle, fracture.
2. adhesion strength
Sample preparation: the brushing detected materials on reinforced cement-mortar board, it is solid after with a thickness of 1.5 ± 0.2mm, first temperature be 23 ± 2 DEG C, humidity is to transfer in 40 DEG C of constant temperature oven and conserve 2 days solid 4 days under (50 ± 10) % environment, cooling after taking-up To 23 ± 2 DEG C.
Test: with epoxy resin in the metal drawing head that coating surface bonding area is (40 × 40) mm, to epoxy resin With cupping machine in vertical direction with the speed lashing wire category drawing head of (5 ± 1) mm/min until test specimen destruction, note after solidification Record maximum pull F, adhesion strength (MPa)=F/ (40 × 40).
3. water absorption rate
Sample preparation: being 23 ± 2 DEG C in temperature, and humidity is under (50 ± 10) % environment, and the thin slice of 1.5 ± 0.2mm is made in film, It is transferred in 40 DEG C of constant temperature oven and conserves 2 days after solid 4 days, 23 ± 2 DEG C are cooled to after taking-up；
Maintenance: cutting the test specimen of (50 × 50) mm, weighs test specimen m1, is put into 23 ± 2 DEG C of water and impregnates 48h；
Test: taking out test specimen, with filter paper to blot surface water stain, weighs m2.Water absorption rate=100% × (m2-m1)/m1
4. heat resistance
Sample preparation: the brushing detected materials on aluminium sheet plate, it is solid after with a thickness of 1.5 ± 0.2mm, be first 23 ± 2 DEG C in temperature, Humidity is to transfer in 40 DEG C of constant temperature oven and conserve 2 days, 23 are cooled to after taking-up solid 4 days under (50 ± 10) % environment ±2℃。
Test: sample is placed in high temperature oven, is arranged temperature (such as 90 DEG C), constant temperature 2h, and whether observation coating trickles, slides Dynamic, drippage.
5. stress relaxation
Sample preparation: the brushing detected materials on two blocks of aluminium sheet plates respectively, brushing area are (100 × 50) mm, solid rear thickness It is first 23 ± 2 DEG C in temperature, humidity is to transfer to 40 DEG C of perseverance solid 4 days under (50 ± 10) % environment for 1.5 ± 0.2mm It conserves 2 days in warm baking oven, test specimen is put into high temperature oven after taking-up, be heated to compound layer softening, two pieces of test specimen bondings are tight It is close, be cooled to 23 ± 2 DEG C it is to be measured.
Test: test specimen being put into puller system and fixture and is clamped, with the speed tensile of 10mm/min, when being stretched to maximum drawing Continuing to be stretched to pulling force after power Fmax will stop for the 95% of maximum pull and keep tensional state, record force value after 5min F5min.Remove test specimen observation, it is desirable that test specimen does not separate.
It calculates: stress relaxation=100% × F5min/Fmax
6. bridging crack ability
Sample preparation: the brushing detected materials on reinforced cement-mortar board, it is solid after with a thickness of 1.5 ± 0.2mm, first temperature be 23 ± 2 DEG C, humidity is to transfer in 40 DEG C of constant temperature oven and conserve 2 days solid 4 days under (50 ± 10) % environment, cooling after taking-up To 23 ± 2 DEG C, a crack is extruded with deformation test machine in the middle part of Mortar Plates, it is complete that crack generates the non-breakable coating of process Property.
Test: Mortar Plates being put into tension tester clamp and are clamped, and with the speed tensile of 0.15mm/min, film occurs Stop stretching when crack or pinprick, records stretch value.
7. seam deformability
Sample preparation: the brushing detected materials on reinforced cement-mortar board, it is solid after with a thickness of 1.5 ± 0.2mm, first temperature be 23 ± 2 DEG C, humidity is to transfer in 40 DEG C of constant temperature oven and conserve 2 days solid 4 days under (50 ± 10) % environment, cooling after taking-up To 23 ± 2 DEG C, a crack is extruded with deformation test machine in the middle part of Mortar Plates, it is complete that crack generates the non-breakable coating of process Property.
Test: it is tight that Mortar Plates are put into the flexible experiment machine clamp inner clip of fatigue, set circulation rate as 1Hz, crack is average Width is 0.5mm, is stretched repeatedly until breach, hole, record cycle-index occurs in coating.
Embodiment 2
A kind of emulsified modified asphalt water-repellent paint, including component A and B component, component A are that waterproof is refined element, and B component is to fill out Material；
The mass percent of each raw material in component A are as follows:
90# pitch: 56%
Butadiene-styrene rubber: 6.2%
Bitumen regenerant: 6.5%
Double dodecyl ammonium bromides: 1.0%
Dilute sulfuric acid: 4.5%
Water: surplus.
B component: for Paris white, 27% is accounted for.
Preparation method is identical as 1 product of embodiment.
It is required according to the method for GB/T 16777-2008 " building water-proof paint experimental method ", is prepared to above-mentioned Product is detected, low-temperature tenderness after water-repellent paint is solid: -25 DEG C (2h flawless), water absorption rate (48h): and 5.9%, heat resistance: 110 DEG C, adhesion strength: 0.80MPa, stress relaxation: 29% (and not departing from adhesive surface), bridge crack ability: 1.7mm connects Deformability 7200 times circulations of seam are without destruction.
Embodiment 3
A kind of emulsified modified asphalt water-repellent paint, including component A and B component, component A are that waterproof is refined element, and B component is to fill out Material；
Component A:
Coal tar pitch: 38.3%
SEBS rubber: 11.4%
Bitumen regenerant: 15%
Octadecyltrimethylammonium chloride: 2.3%
CaCl2: 2.2%
Carboxymethyl cellulose: 2.6%
Water: surplus.
B component: the filler is titanium dioxide, accounts for 36%.
Preparation method is identical as 1 product of embodiment.
It is required according to the method for GB/T 16777-2008 " building water-proof paint experimental method ", is prepared to above-mentioned Product is detected, low-temperature tenderness after water-repellent paint is solid: -21 DEG C (2h flawless), water absorption rate (48h): and 4.7%, heat resistance: 105 DEG C, adhesion strength: 0.64MPa, stress relaxation: 30% (and not departing from adhesive surface), bridge crack ability: 0.9mm connects Deformability 5300 times circulations of seam are without destruction.
Comparative example 1
Commercially available modified waterproof asphalt material, according to the method for GB/T 16777-2008 " building water-proof paint experimental method " It is required that being detected to product.Testing result after solid are as follows:
The solid content of water-repellent paint obtained is 58%；
Water absorption rate: the product does not require, measured value 9.1%；
Heat resistance: 80 DEG C；
- 11 DEG C of low temperature, 2h has crackle；
Adhesion strength 0.51MPa；
Stress relaxation: the product does not require, measured value: 33%；
Bridge crack ability: the product does not require, measured value: 0.41mm；
Seam deformability: the product does not require, measured value: 4100 circulations are without destruction.
Comparative example 2
Commercial polymer lotion building water-proof paint, according to GB/T 16777-2008 " building water-proof paint experimental method " Method requirement, product is detected.Testing result after solid are as follows:
The solid content of water-repellent paint obtained is 65%；
Water absorption rate: the product does not require, measured value 12.5%；
Heat resistance: 90 DEG C,
- 12 DEG C of low temperature, 2h has crackle,
Adhesion strength 0.52MPa.
Stress relaxation: the product does not require, measured value: adhesive surface is detached from；
Bridge crack ability: the product does not require, measured value: 0.51mm；
Seam deformability: the product does not require, measured value: 2900 circulations are without destruction.
Emulsified modified asphalt waterproof essence or emulsified modified asphalt water-repellent paint obtained by above-described embodiment, can use In indoor waterproof, pond waterproof, roof waterproof, underground project waterproof, bridge waterproof, tunnel water proofing, road surface waterproof and other build Building waterproofing engineering.
In use process, need to add appropriate active additive, such as one of cement, gypsum, calcium oxide, powder of lacquer putty for use on or It is a variety of.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and this Field technical staff can be designed alternative embodiment without departing from the scope of the appended claims.In claim In, any reference symbol between parentheses should not be configured to limitations on claims.

Claims (12)

1. a kind of two-component Rubber Modified Asphalt Waterproof Coating, which is characterized in that the raw material of the water-repellent paint forms are as follows: by matter Measuring percentage is 1: first component of (0.1~1.0) and the second component are constituted；
First component is mixed with by the component of following mass percent:
Pitch 25.8~56%
Rubber 6~15.4%
Bitumen regenerant 6~24.5%
Emulsifier 0.8~4.0%
Stabilizer 0.03~5.0%；
Other auxiliary agents 0~5.0%
Water surplus
Wherein, the sum of mass percent of pitch and bitumen regenerant is 46%~63%；
Second component is one of active filler or inert filler or a variety of.
2. Rubber Modified Asphalt Waterproof Coating as described in claim 1, it is characterised in that: the active filler be cement, gypsum, One of calcium oxide, powder of lacquer putty for use on are a variety of；The inert filler is silica flour, titanium dioxide, barium sulfate, Paris white, talcum One of powder, kaolin, rubber grain are a variety of.
3. Rubber Modified Asphalt Waterproof Coating as described in claim 1, it is characterised in that: the rubber of first component account for pitch, The 10%~22% of rubber and bitumen regenerant total amount, preferably 12%~20%.
4. the Rubber Modified Asphalt Waterproof Coating as described in claim 1,2 or 3, it is characterised in that: the rubber modified asphalt waterproof After coating is solid, low-temperature tenderness≤- 20 DEG C, 2h flawless, adhesion strength >=0.5MPa, 48h water absorption rate≤7.0%, heat resistance >=90 DEG C, stress relaxation≤35%, and do not departed from adhesive surface, bridge joint crack ability >=0.25mm, seam deformability >= 5000 circulations are without destruction.
5. Rubber Modified Asphalt Waterproof Coating as described in claim 1, it is characterised in that: the rubber is star-shaped sbs, line style SBS, SBR, SIS, SEBS, butyl rubber, neoprene, butadiene rubber, isoprene rubber, EP rubbers, silicon rubber, butyronitrile rubber One of glue, ethylene propylene diene rubber or natural rubber or a variety of mixtures.
6. Rubber Modified Asphalt Waterproof Coating as described in claim 1, it is characterised in that: the bitumen regenerant is with naphthenic base Heavy oil through normal pressure and is evaporated under reduced pressure as raw material.
7. Rubber Modified Asphalt Waterproof Coating as claimed in claim 1 or 6, it is characterised in that: the bitumen regenerant is at 60 DEG C Rotary viscosity is 1600~2300mPas, and 0 DEG C, 100g, the needle penetration (5s) of bitumen regenerant is 190~230mm, flash-point >= 210 DEG C, heating quality loses (190 DEG C, 30min) 0~3.0%.
8. Rubber Modified Asphalt Waterproof Coating as described in claim 1, it is characterised in that: the stabilizer is CaCl2, acid, poly- second One of enol, ethylene glycol or propylene glycol are a variety of.
9. Rubber Modified Asphalt Waterproof Coating as claimed in claim 8, it is characterised in that: the acid is nitric acid, sulfuric acid or hydrochloric acid.
10. Rubber Modified Asphalt Waterproof Coating as described in claim 1, it is characterised in that: other described auxiliary agents are that ethoxy is fine Tie up element, hydroxypropyl cellulose, carboxymethyl cellulose, alkali soluble is swollen one of association thickener, association type polyurethane thickener Or a variety of mixtures.
11. a kind of preparation method of modified waterproof asphalt material as described in claim 1, comprising the following steps:
(1) pitch is heated to 100 DEG C~160 DEG C, bitumen regenerant, rubber is added, be warming up to 180 DEG C~200 DEG C, constant temperature dimension It holds 2~5 hours, obtains rubber modified asphalt；
(2) water, emulsifier and other auxiliary agents are mixed evenly, are warming up to 40 DEG C~80 DEG C, obtain soap lye, adjust pH value 9~ 13；
(3) by step, (1) (2) soap lye is mixed for rubber modified asphalt and step, is stirred evenly, emulsification treatment；
(4) stabilizer is added after (3) emulsifying to step in product, adjusts pH value 3~7, stirs evenly；
(5) (4) stirred evenly in product to step and the second component is added, be uniformly dispersed.
12. a kind of Rubber Modified Asphalt Waterproof Coating is used for indoor waterproof, pond waterproof, roof waterproof, underground project waterproof, bridge Beam waterproof, tunnel water proofing, road surface waterproof and other construction waterproofing engineerings.
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CN114507469A (en) * 2022-01-21 2022-05-17 广东台实实业有限公司 High-strength asparagus polyurea waterproof coating and preparation method thereof

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