CN112592661A - Aging-resistant modified asphalt waterproof coiled material and preparation method thereof - Google Patents

Aging-resistant modified asphalt waterproof coiled material and preparation method thereof Download PDF

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Publication number
CN112592661A
CN112592661A CN202011385641.5A CN202011385641A CN112592661A CN 112592661 A CN112592661 A CN 112592661A CN 202011385641 A CN202011385641 A CN 202011385641A CN 112592661 A CN112592661 A CN 112592661A
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parts
asphalt
coiled material
aging
modified
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Inventor
孙智宁
孙彦伟
孙平刚
逯丽钊
宋正红
李富伟
刘金宝
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Yuandahongyu Tangshan Waterproof Material Co ltd
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Yuandahongyu Tangshan Waterproof Material Co ltd
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    • 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
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • 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
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/206—Insulating
    • 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
    • B32B2307/306—Resistant to heat
    • 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
    • B32B2307/54—Yield strength; Tensile strength
    • 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
    • B32B2307/552—Fatigue strength
    • 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
    • B32B2307/56—Damping, energy absorption
    • 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
    • B32B2307/712—Weather 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
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Inorganic Chemistry (AREA)
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Abstract

The invention relates to the technical field of building waterproof materials, and provides an aging-resistant modified asphalt waterproof coiled material which comprises 30-50 parts of asphalt, 10-15 parts of epoxy castor oil plasticizer, 5-10 parts of epoxidized SBS (styrene butadiene styrene), 5-10 parts of active butyl rubber powder, 3-8 parts of modified EVA (ethylene vinyl acetate copolymer) polymer and 5-15 parts of filler. By the technical scheme, the problems that the compatibility of the modified additive and asphalt is poor and the mechanical property and the aging resistance of the waterproof coiled material are poor in the prior art are solved.

Description

Aging-resistant modified asphalt waterproof coiled material and preparation method thereof
Technical Field
The invention relates to the technical field of building waterproof materials, in particular to an aging-resistant modified asphalt waterproof coiled material and a preparation method thereof.
Background
The waterproof roll is a curlable sheet-shaped waterproof material. The waterproof roll is a flexible building material product which can be curled into a roll shape and is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like to resist external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, and is a waterproof barrier for the whole engineering.
In the prior art, the general raw materials of the polymer modified asphalt waterproof coiled material comprise road petroleum asphalt, an SBS polymer modifier, base oil, tire rubber powder, a talcum powder filler and the like, the preparation method is simple physical mechanical stirring, but the preparation method only comprises the step of physically blending a plurality of modified additives and asphalt, the compatibility is poor, so that the ageing resistance of the waterproof coiled material is seriously attenuated along with the weather changes of the use environment temperature, humidity, illumination, rain and the like, the coiled material cracks, and the waterproof effect is lost.
Disclosure of Invention
The invention provides an aging-resistant modified asphalt waterproof coiled material and a preparation method thereof, and solves the problems that the compatibility of a modified additive and asphalt in the related technology is poor, and the mechanical property and the aging resistance of the waterproof coiled material are poor.
The technical scheme of the invention is as follows:
an anti-aging modified asphalt waterproof coiled material comprises, by weight, 30-50 parts of asphalt, 10-15 parts of an epoxy castor oil plasticizer, 5-10 parts of epoxidized SBS (thermoplastic styrene butadiene rubber), 5-10 parts of activated butyl rubber powder, 3-8 parts of graft modified EVA (ethylene-vinyl acetate copolymer) and 5-15 parts of a filler.
As a further technical scheme, the aging-resistant modified asphalt waterproof coiled material comprises the following components, by weight, 40 parts of asphalt, 13 parts of an epoxy castor oil plasticizer, 8 parts of epoxidized SBS, 8 parts of active butyl rubber powder, 5 parts of a graft modified EVA polymer and 10 parts of a filler.
As a further technical scheme, the asphalt is No. 70 or No. 90 road petroleum asphalt.
As a further technical scheme, the preparation method of the graft modified EVA polymer comprises the following steps: according to the mass parts, 50-60 parts of EVA, 0.05-0.06 part of DCP catalyst, 0.03-0.04 part of 2, 3-naphthalene dicarboxylic anhydride and 0.1-0.2 part of maleic anhydride are uniformly stirred at the temperature of 160-165 ℃ to obtain the graft modified EVA polymer.
According to a further technical scheme, the filler comprises zinc oxide and modified mica powder, and the weight parts of the components are 0.5-1: 3 to 4 percent of a first polymer and a second polymer,
the modified mica powder comprises polypropylene silsesquioxane, a silane coupling agent and mica powder, and the modified mica powder comprises the following components in parts by weight: 1-2: 4-8: 0.05-0.1: 0.3-0.5.
The invention also provides a preparation method of the aging-resistant modified asphalt waterproof coiled material, which comprises the following steps:
s1, heating the asphalt to 110-130 ℃ to obtain preheated asphalt;
s2, adding epoxidized SBS and graft modified EVA polymer into the preheated asphalt, keeping the temperature at 180-200 ℃, and mixing for 120-150 min;
s3, after mixing and dissolving, adding active butyl rubber powder, mixing for 120-150 min at 180-190 ℃, and grinding twice by a colloid mill;
s4, adding an epoxy castor oil plasticizer and a filler, keeping the temperature at 170-180 ℃, and stirring for 30min to obtain modified asphalt;
s5, coating the modified asphalt on a polyester matrix, controlling the thickness of the roll, cooling, and then coating a PE film on the surface to obtain the waterproof roll
The invention has the beneficial effects that:
the anti-aging modified asphalt waterproof coiled material provided by the invention has the advantages of higher heat resistance, low temperature resistance, low-temperature attenuation after thermal aging, good stability, aging resistance, waterproofness, chemical resistance, weather resistance and the like, and is wide in application range.
According to the invention, the epoxy castor oil and the epoxy SBS are added, and the compatibility between the epoxy resin modified material and the asphalt is improved, so that the high-temperature performance and the low-temperature ductility of the waterproof roll are improved.
The activated butyl rubber powder is added into the formula, and the activated butyl rubber has good air tightness, can resist heat, ozone, aging and chemicals, has shock absorption and electrical insulation properties, has good resistance to sunlight and ozone, and obviously improves the weather resistance of the waterproof coiled material.
According to the invention, the epoxidized SBS is added, the asphalt component is modified and the asphalt performance is improved through full swelling of the epoxidized SBS polymer particles and good adsorption of the polymer particles to the asphalt component, and the excellent tensile strength, low-temperature performance and processability of the SBS are endowed to the asphalt waterproof coiled material.
After the grafted EVA modifier is added, the grafted EVA modifier is beneficial to uniformly dispersing the modifier in asphalt and improving the storage stability of a modified asphalt system; the 2, 3-naphthalene dicarboxylic anhydride and maleic anhydride are compounded to serve as a modifier, the single component of the maleic anhydride has a better modification effect, so that the compatibility of EVA and asphalt is better, the mechanical property and the heat and cold resistance of the prepared waterproof roll are better, and meanwhile, the stability of the waterproof roll is improved by adding the ring structure of the 2, 3-naphthalene dicarboxylic anhydride.
The mica powder and the zinc oxide are used as the filler, so that the density difference between materials can be effectively compensated, the occurrence of segregation phenomenon is reduced, and the reinforcing effect is achieved. Meanwhile, the silane coupling agent and the polypropylsilsesquioxane are compounded to modify the filler, so that the compatibility of the inorganic filler and the organic matrix is better, and the reinforcing effect of the filler is exerted to the utmost extent.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
Example 1
An anti-aging modified asphalt waterproof coiled material comprises, by weight, 30 parts of No. 70 petroleum asphalt, 10 parts of an epoxy castor oil plasticizer, 5 parts of epoxidized SBS, 5 parts of active butyl rubber powder, 3 parts of a graft modified EVA polymer, 1 part of zinc oxide, 4 parts of mica powder, 0.05 part of poly-p-alkylsilsesquioxane and 0.3 part of a silane coupling agent KH-550.
The preparation method of the graft modified EVA polymer comprises the following steps: 50 parts of EVA, 0.05 part of DCP catalyst, 0.03 part of 2, 3-naphthalene dicarboxylic anhydride and 0.1 part of maleic anhydride are uniformly stirred at the temperature of 160-165 ℃ to obtain the graft modified EVA polymer.
The preparation method of the modified asphalt waterproof coiled material comprises the following steps:
s1, heating the asphalt to 110-130 ℃ to obtain preheated asphalt;
s2, adding epoxidized SBS and graft modified EVA polymer into the preheated asphalt, keeping the temperature at 180-200 ℃, and mixing for 120-150 min;
s3, after mixing and dissolving, adding active butyl rubber powder, mixing for 120-150 min at 180-190 ℃, and grinding twice by a colloid mill;
s4, adding an epoxy castor oil plasticizer and a filler, keeping the temperature at 170-180 ℃, and stirring for 30min to obtain modified asphalt;
and S5, coating the modified asphalt on a polyester matrix, controlling the thickness of the roll, cooling, and then coating a PE film on the surface to obtain the waterproof roll.
Example 2
An anti-aging modified asphalt waterproof coiled material comprises, by weight, 40 parts of No. 70 petroleum asphalt, 13 parts of an epoxy castor oil plasticizer, 8 parts of epoxidized SBS, 8 parts of active butyl rubber powder, 5 parts of a graft modified EVA polymer, 1.5 parts of zinc oxide, 8 parts of mica powder, 0.05 part of poly-p-alkylsilsesquioxane and 0.45 part of a silane coupling agent KH-550.
The preparation method of the graft modified EVA polymer comprises the following steps: 55 parts of EVA, 0.05 part of DCP catalyst, 0.03 part of 2, 3-naphthalene dicarboxylic anhydride and 0.15 part of maleic anhydride are uniformly stirred at the temperature of 160-165 ℃ to obtain the graft modified EVA polymer.
The preparation method of the modified asphalt waterproof coiled material is the same as that of the example 1.
Example 3
An aging-resistant modified asphalt waterproof coiled material comprises, by weight, 50 parts of No. 90 petroleum asphalt, 15 parts of an epoxy castor oil plasticizer, 10 parts of epoxidized SBS, 10 parts of active butyl rubber powder, 8 parts of a graft modified EVA polymer, 2.25 parts of zinc oxide, 12 parts of mica powder, 0.09 part of poly-p-alkylsilsesquioxane and 0.66 part of a silane coupling agent KH-550.
The preparation method of the graft modified EVA polymer comprises the following steps: 55 parts of EVA, 0.05 part of DCP catalyst, 0.04 part of 2, 3-naphthalene dicarboxylic anhydride and 0.15 part of maleic anhydride, and uniformly stirring at 160-165 ℃ to obtain the graft modified EVA polymer.
The preparation method of the modified asphalt waterproof coiled material is the same as that of the example 1.
Comparative example 1
An anti-aging modified asphalt waterproof coiled material comprises, by weight, 40 parts of No. 70 petroleum asphalt, 13 parts of an epoxy castor oil plasticizer, 8 parts of epoxidized SBS, 5 parts of a graft modified EVA polymer, 1.5 parts of zinc oxide, 8 parts of mica powder, 0.05 part of polypropylene-based silsesquioxane and 0.45 part of a silane coupling agent KH-550.
The preparation method of the graft modified EVA polymer comprises the following steps: 55 parts of EVA, 0.05 part of DCP catalyst, 0.03 part of 2, 3-naphthalene dicarboxylic anhydride and 0.15 part of maleic anhydride are uniformly stirred at the temperature of 160-165 ℃ to obtain the graft modified EVA polymer.
The preparation method of the modified asphalt waterproof coiled material is the same as that of the example 1.
Comparative example 2
An anti-aging modified asphalt waterproof coiled material comprises, by weight, 40 parts of No. 70 petroleum asphalt, 13 parts of an epoxy castor oil plasticizer, 8 parts of active butyl rubber powder, 5 parts of a graft modified EVA polymer, 1.5 parts of zinc oxide, 8 parts of mica powder, 0.05 part of poly-p-alkylsilsesquioxane and 0.45 part of a silane coupling agent KH-550.
The preparation method of the graft modified EVA polymer comprises the following steps: 55 parts of EVA, 0.05 part of DCP catalyst, 0.03 part of 2, 3-naphthalene dicarboxylic anhydride and 0.15 part of maleic anhydride are uniformly stirred at the temperature of 160-165 ℃ to obtain the graft modified EVA polymer.
The preparation method of the modified asphalt waterproof coiled material is the same as that of the example 1.
Comparative example 3
An anti-aging modified asphalt waterproof coiled material comprises, by weight, 40 parts of No. 70 petroleum asphalt, 13 parts of an epoxy castor oil plasticizer, 8 parts of active butyl rubber powder, 5 parts of a graft modified EVA polymer, 1.5 parts of zinc oxide, 8 parts of mica powder, 0.05 part of poly-p-alkylsilsesquioxane and 0.45 part of a silane coupling agent KH-550.
The preparation method of the graft modified EVA polymer comprises the following steps: 55 parts of EVA, 0.05 part of DCP catalyst and 0.18 part of maleic anhydride, and uniformly stirring at 160-165 ℃ to obtain the graft modified EVA polymer.
The preparation method of the modified asphalt waterproof coiled material is the same as that of the example 1.
Comparative example 4
An anti-aging modified asphalt waterproof coiled material comprises, by weight, 40 parts of No. 70 petroleum asphalt, 13 parts of an epoxy castor oil plasticizer, 8 parts of epoxidized SBS, 8 parts of active butyl rubber powder, 5 parts of EVA, 1.5 parts of zinc oxide, 8 parts of mica powder, 0.05 part of poly-p-alkylsilsesquioxane and 0.45 part of a silane coupling agent KH-550.
The preparation method of the modified asphalt waterproof coiled material is the same as that of the example 1.
Comparative example 5
An aging-resistant modified asphalt waterproof coiled material comprises, by weight, 40 parts of No. 70 petroleum asphalt, 13 parts of an epoxy castor oil plasticizer, 8 parts of epoxidized SBS, 8 parts of active butyl rubber powder, 5 parts of a graft modified EVA polymer, 1.5 parts of zinc oxide, 8 parts of mica powder and 0.5 part of a silane coupling agent KH-550.
The preparation method of the graft modified EVA polymer comprises the following steps: 55 parts of EVA, 0.05 part of DCP catalyst, 0.03 part of 2, 3-naphthalene dicarboxylic anhydride and 0.15 part of maleic anhydride are uniformly stirred at the temperature of 160-165 ℃ to obtain the graft modified EVA polymer.
The preparation method of the modified asphalt waterproof coiled material is the same as that of the example 1.
The examples and comparative examples were subjected to performance tests, the results of which are shown in the following table, wherein:
1. thermal aging property: testing the thermal aging performance of a sample according to a testing method specified in GB18242-2008 thermal aging performance, and testing the flexibility at a low temperature of-23 ℃ after thermal aging;
2. water impermeability: according to GB/T328.10-2007 test method 10 part of building waterproof coiled materials: the water impermeability of the sample is tested by the testing method specified in the asphalt and polymer waterproof coiled material impermeability;
3. heat resistance: according to GB/T328.11-2007 test method for waterproof coiled materials for buildings, part 11: the heat resistance of the sample is tested by the testing method specified in asphalt waterproof coiled material heat resistance;
4. tension force: according to GB/T328.8-2007 test method 8 of building waterproof coiled materials: the tensile property of a sample is tested by the testing method specified in the asphalt waterproof coiled material tensile property';
5. low-temperature flexibility: according to GB/T328.14-2007 test method for waterproof coiled materials for buildings, part 14: the testing method specified in asphalt waterproof coiled material low-temperature flexibility tests the low-temperature flexibility of the sample;
table 1 results of performance test of examples and comparative examples
Figure BDA0002809598660000051
Figure BDA0002809598660000061
As can be seen from the data in the table, the asphalt waterproof coiled material prepared in the embodiments 1 to 3 meets the requirements of the building waterproof coiled material, has excellent performance, improves the high temperature resistance, low temperature ductility, water impermeability and strength of the asphalt waterproof coiled material, and solves the problems in the prior art. Wherein, the embodiment 2 is a relatively better technical scheme of the invention, and the prepared asphalt waterproof coiled material has the best comprehensive performance.
Compared with the data result of the comparative example 1, the waterproof roll without the active butyl rubber powder has poor mechanical property, the transverse and longitudinal properties are respectively reduced by 39N and 34N, the thermal aging property is reduced, the low-temperature flexibility after thermal aging is poor, and the weather resistance is poor. The active butyl rubber is cooperated with other components, so that the mechanical property and the high and low temperature resistance of the waterproof roll are enhanced.
Comparing the data of example 2 with those of comparative example 2, the waterproof roll without the epoxidized SBS had a reduced thermal aging resistance, a deteriorated low temperature ductility and a reduced tensile property of about 50N. The asphalt component modifies the asphalt and improves the asphalt performance through full swelling of the epoxidized SBS polymer particles and good adsorption of the polymer particles to the asphalt component, and the asphalt waterproof coiled material is endowed with excellent tensile strength, low-temperature performance and processability of SBS.
Comparing the data results of example 2 with those of comparative examples 3 and 4, when no EVA is modified, the compatibility of EVA and other components is poor, which results in poor modification effect of the waterproof roll material by adding EVA, and poor mechanical property and weather resistance. And the 2, 3-naphthalene dicarboxylic anhydride is not added in the comparative example 3, so that the modification effect is not good in the compounding effect of the 2, 3-naphthalene dicarboxylic anhydride and maleic anhydride, the compatibility of EVA and other components is poor, and the mechanical property and the heat-resistant and low-temperature-resistant properties of the waterproof roll are poor.
Compared with the data result of the comparative example 5, when no polypropylsilsesquioxane is added into the filler, and the filler is modified by compounding the polypropylsilsesquioxane and the silane coupling agent, the interfacial bonding capability of the filler with the polymer resin and the asphalt is poor, so that the reinforcing effect of the filler is not obvious, and meanwhile, the low-temperature flexibility and the thermal aging resistance are reduced due to poor interfacial compatibility.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The anti-aging modified asphalt waterproof coiled material is characterized by comprising, by weight, 30-50 parts of asphalt, 10-15 parts of an epoxy castor oil plasticizer, 5-10 parts of epoxidized SBS (styrene butadiene styrene), 5-10 parts of active butyl rubber powder, 3-8 parts of a graft modified EVA (ethylene vinyl acetate copolymer) polymer and 5-15 parts of a filler.
2. The aging-resistant modified asphalt waterproof coiled material as claimed in claim 1, which comprises, by weight, 40 parts of asphalt, 13 parts of an epoxy castor oil plasticizer, 8 parts of epoxidized SBS, 8 parts of activated butyl rubber powder, 5 parts of a modified EVA polymer, and 10 parts of a filler.
3. The aging-resistant modified asphalt waterproof coiled material as claimed in claim 1, wherein the asphalt is No. 70 or No. 90 road petroleum asphalt.
4. The aging-resistant modified asphalt waterproof roll material as claimed in claim 1, wherein the preparation method of the graft-modified EVA polymer comprises the following steps: according to the mass parts, 50-60 parts of EVA, 0.05-0.06 part of DCP catalyst, 0.03-0.04 part of 2, 3-naphthalene dicarboxylic anhydride and 0.1-0.2 part of maleic anhydride are uniformly stirred at the temperature of 160-165 ℃ to obtain the graft modified EVA polymer.
5. The aging-resistant modified asphalt waterproof coiled material as claimed in claim 1, wherein the filler comprises zinc oxide, mica powder, polypropylsilsesquioxane and a silane coupling agent in a weight ratio of 1-2: 4-8: 0.05-0.1: 0.3-0.5.
6. The preparation method of the aging-resistant modified asphalt waterproof coiled material is characterized by comprising the following steps of:
s1, heating the asphalt to 110-130 ℃ to obtain preheated asphalt;
s2, adding epoxidized SBS and graft modified EVA polymer into the preheated asphalt, keeping the temperature at 180-200 ℃, mixing and dissolving for 120-150 min;
s3, after mixing and dissolving, adding active butyl rubber powder, mixing for 120-150 min at 180-190 ℃, and grinding twice by a colloid mill;
s4, adding an epoxy castor oil plasticizer and a filler, keeping the temperature at 170-180 ℃, and stirring for 30min to obtain modified asphalt;
and S5, coating the modified asphalt on a polyester matrix, controlling the thickness of the roll, cooling, and then coating a PE film on the surface to obtain the waterproof roll.
CN202011385641.5A 2020-12-01 2020-12-01 Aging-resistant modified asphalt waterproof coiled material and preparation method thereof Pending CN112592661A (en)

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CN117565501A (en) * 2023-10-24 2024-02-20 德州宇诺建筑材料有限公司 Asphalt waterproof coiled material and preparation method thereof

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