CN115594873B - Composite waterproof coiled material, heat-insulating composite waterproof coiled material and preparation method thereof - Google Patents

Composite waterproof coiled material, heat-insulating composite waterproof coiled material and preparation method thereof Download PDF

Info

Publication number
CN115594873B
CN115594873B CN202211587124.5A CN202211587124A CN115594873B CN 115594873 B CN115594873 B CN 115594873B CN 202211587124 A CN202211587124 A CN 202211587124A CN 115594873 B CN115594873 B CN 115594873B
Authority
CN
China
Prior art keywords
parts
layer
coiled material
waterproof coiled
composite waterproof
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202211587124.5A
Other languages
Chinese (zh)
Other versions
CN115594873A (en
Inventor
毛萌萌
李藏哲
张国珍
李世伟
杨帅
孙其战
柳海燕
郑檩
王青杨
安猛
石磊
庞素娥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hengshui Zhongyu Tiexin Waterproof Technology Co ltd
Original Assignee
Hengshui Zhongyu Tiexin Waterproof Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hengshui Zhongyu Tiexin Waterproof Technology Co ltd filed Critical Hengshui Zhongyu Tiexin Waterproof Technology Co ltd
Priority to CN202211587124.5A priority Critical patent/CN115594873B/en
Publication of CN115594873A publication Critical patent/CN115594873A/en
Application granted granted Critical
Publication of CN115594873B publication Critical patent/CN115594873B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
    • 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
    • B32B27/065—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 foam
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B32B5/18—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 features of a layer of foamed material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • 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
    • B32B2255/10—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
    • B32B2255/24—Organic non-macromolecular 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
    • B32B2255/26—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
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/025—Polyolefin
    • 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
    • B32B2307/304—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
    • B32B2307/70—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
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/06—Roofs, roof membranes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2353/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2353/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/10—Homopolymers or copolymers of propene
    • C08J2423/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2453/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2495/00—Bituminous materials, e.g. asphalt, tar or pitch

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention belongs to the technical field of building materials, and particularly relates to a composite waterproof coiled material, a heat-insulating composite waterproof coiled material and a preparation method thereof. The composite waterproof coiled material provided by the invention comprises a modified polyethylene layer, a modified asphalt layer and an acrylic acid coating which are arranged in a laminated manner; the modified polyethylene layer includes: 80-90 parts of polyethylene, 20-30 parts of first polypropylene, 5-10 parts of SBS, 3-5 parts of an antibacterial additive and 2-5 parts of an anti-aging agent; the modified asphalt layer comprises: 60-80 parts of asphalt, 10-20 parts of polypropylene, 10-15 parts of naphthenic oil, 10-30 parts of SBS, 3-5 parts of an antibacterial additive, 10-15 parts of talcum powder and 2-5 parts of an anti-aging agent. The waterproof performance of the composite waterproof coiled material is improved while the waterproof capability is enhanced, so that the composite waterproof coiled material provided by the invention has excellent waterproof performance and good durability.

Description

Composite waterproof coiled material, heat-insulating composite waterproof coiled material and preparation method thereof
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to a composite waterproof coiled material, a heat-insulating composite waterproof coiled material and a preparation method thereof.
Background
The water-proof construction of civil building takes up a very important position in the construction of building, especially roofing seepage is common quality common ailment of building. Roof waterproofing works are a series of facilities and measures taken to prevent roof from leaking rainwater. In particular, the high-rise roof is a plane roof at present, so the leakage prevention is always an old and difficult problem which is not solved well by people.
At present, the civil house roof waterproof engineering can be divided into a tile roof, a waterproof mortar roof, an asphalt waterproof coiled material roof, a waterproof coating roof and a rigid roof according to different types of used materials, and the civil house is designed in a single mode of the four modes in consideration of the cost. For areas with longer wind period and rainwater enrichment, the waterproof service life of the roof is often not more than 5 years, and the service life is short.
Disclosure of Invention
The invention aims to provide a composite waterproof coiled material, a heat-insulating composite waterproof coiled material and a preparation method thereof.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a composite waterproof coiled material, which comprises a modified polyethylene layer 3, a modified asphalt layer 2 and an acrylic acid coating 1 which are sequentially laminated;
the modified polyethylene layer 3 comprises the following components in parts by mass: 80-90 parts of polyethylene, 20-30 parts of first polypropylene, 5-10 parts of first styrene-butadiene-styrene block copolymer, 3-5 parts of first antibacterial additive and 2-5 parts of first anti-aging agent;
the modified asphalt layer 2 comprises the following components in parts by mass: 60-80 parts of asphalt, 10-20 parts of second polypropylene, 10-15 parts of naphthenic oil, 10-30 parts of second styrene-butadiene-styrene block copolymer, 3-5 parts of second antibacterial additive, 10-15 parts of talcum powder and 2-5 parts of second anti-aging agent.
Preferably, the composite waterproof coiled material has a corrugated 5 structure.
Preferably, the longitudinal section of each corrugated 5 is in an isosceles trapezoid shape, the height of each corrugated 5 is 20mm, and the center-to-center distance between every two adjacent corrugated 5 is 250-300 mm.
Preferably, the thickness of the composite waterproof coiled material is 6-9 mm; the thickness of the modified polyethylene layer 3 is 2.5-3 mm, the thickness of the modified asphalt layer 2 is 2-4 mm, and the thickness of the acrylic coating 1 is 1.5-2 mm.
Preferably, the melt index of the polyethylene is 1.5-30 g/10min; the melt indexes of the first polypropylene and the second polypropylene are independently 2-10 g/min; the asphalt is No. 90 asphalt; the naphthenic oil is KN4006 naphthenic oil; the particle size of talcum powder is less than or equal to 0.106mm.
The invention provides a preparation method of the composite waterproof coiled material, which comprises the following steps:
melting and blending polyethylene, first polypropylene, first styrene-butadiene-styrene block copolymer, first antibacterial additive and first antioxidant, and extruding and shaping to obtain a modified polyethylene layer 3;
coating a modified asphalt layer sizing material on the surface of the modified polyethylene layer 3, and drying to obtain a modified asphalt layer 2 which is laminated on the surface of the modified polyethylene layer 3; the modified asphalt layer sizing material comprises asphalt, second polypropylene, naphthenic oil, second styrene-butadiene-styrene block copolymer, second antibacterial additive, talcum powder and second anti-aging agent;
and (3) coating acrylic acid paint on the surface of the modified asphalt layer 2, and drying to obtain the composite waterproof coiled material.
Preferably, the melt blending is performed in a screw machine, the temperature of a feeding area of the screw machine is 170-190 ℃, the temperature of a melting area is 190-210 ℃, the temperature of a homogenizing area is 210-220 ℃, the temperature of a screen changer is 205-210 ℃, and the temperature of a die head is 200-205 ℃.
The invention provides a heat-insulating composite waterproof coiled material, which comprises a waterproof layer and a heat-insulating layer 4 which are arranged in a laminated manner; the waterproof layer is the composite waterproof coiled material according to the technical scheme or the composite waterproof coiled material prepared by the preparation method according to the technical scheme; the heat preservation layer 4 is contacted with the modified polyethylene layer 3 of the composite waterproof coiled material.
Preferably, the heat preservation layer 4 is a polyethylene heat preservation plate, and the thickness of the heat preservation layer is 4-8 mm.
The invention provides a preparation method of the heat-preservation composite waterproof coiled material, which comprises the following steps:
hot compress the heat preservation layer 4 on the bottom surface of the modified polyethylene layer 3, and press to obtain a semi-finished product;
and sequentially preparing a modified asphalt layer 2 and an acrylic acid coating 1 on the surface of the modified polyethylene layer 3 to obtain the heat-insulation composite waterproof coiled material.
The invention provides a composite waterproof coiled material, which comprises a modified polyethylene layer 3, a modified asphalt layer 2 and an acrylic acid coating 1 which are arranged in a laminated manner; the modified polyethylene layer 3 comprises the following components in parts by mass: 80-90 parts of polyethylene, 20-30 parts of first polypropylene, 5-10 parts of first styrene-butadiene-styrene block copolymer, 3-5 parts of first antibacterial additive and 2-5 parts of first anti-aging agent; the modified asphalt layer 2 comprises the following components in parts by mass: 60-80 parts of asphalt, 10-20 parts of second polypropylene, 10-15 parts of naphthenic oil, 10-30 parts of second styrene-butadiene-styrene block copolymer, 3-5 parts of second antibacterial additive, 10-15 parts of talcum powder and 2-5 parts of second anti-aging agent. The invention combines the three layers of modified polyethylene layer 3, modified asphalt layer 2 and acrylic acid coating 1: the acrylic acid coating 1 is used as an outermost protective layer of the modified polyethylene layer 3 and the modified asphalt layer 2, the modified polyethylene layer 3 is combined with the modified asphalt layer 2, and the mechanical properties of the composite waterproof coiled material are improved while the waterproof capability is enhanced by reasonably designing the component types and the mass ratio relation of the modified polyethylene layer 3 and the modified asphalt layer 2.
Further, in the present invention, the composite waterproof roll has a corrugated 5 structure. The corrugated structure is arranged, so that the flow of accumulated water on the surface of the composite waterproof coiled material is facilitated, the drainage efficiency of the composite waterproof coiled material is improved, and local accumulated water is avoided to form leakage points.
The invention provides a heat-insulating composite waterproof coiled material, which comprises a waterproof layer and a heat-insulating layer 4 which are arranged in a laminated manner; the waterproof layer is the composite waterproof coiled material according to the technical scheme or the composite waterproof coiled material prepared by the preparation method according to the technical scheme. The heat-insulating composite waterproof coiled material provided by the invention not only improves the durability of the roof waterproof material and improves the waterproof and drainage effects, but also has the function of roof heat insulation. Meanwhile, the double purposes of roof water prevention and drainage and heat insulation are realized.
Drawings
Fig. 1 is a schematic structural view of a heat-insulating composite waterproof coiled material provided by an embodiment of the present invention;
in FIG. 1, 1-acrylic coating, 2-modified asphalt layer, 3-modified polyethylene layer, 4-insulation layer;
fig. 2 is a flowchart of the preparation of the heat-insulating composite waterproof coiled material provided by the embodiment of the invention.
Detailed Description
The invention provides a composite waterproof coiled material, which comprises a modified polyethylene layer 3, a modified asphalt layer 2 and an acrylic acid coating 1 which are arranged in a laminated manner;
the modified polyethylene layer 3 comprises the following components in parts by mass: 80-90 parts of polyethylene, 20-30 parts of first polypropylene, 5-10 parts of first styrene-butadiene-styrene block copolymer, 3-5 parts of first antibacterial additive and 2-5 parts of first anti-aging agent;
the modified asphalt layer 2 comprises the following components in parts by mass: 60-80 parts of asphalt, 10-20 parts of second polypropylene, 10-15 parts of naphthenic oil, 10-30 parts of second styrene-butadiene-styrene block copolymer, 3-5 parts of second antibacterial additive, 10-15 parts of talcum powder and 2-5 parts of second anti-aging agent.
In the present invention, all preparation materials/components are commercially available products well known to those skilled in the art unless specified otherwise.
The composite waterproof coiled material provided by the invention comprises a modified polyethylene layer 3.
In the present invention, the modified polyethylene layer 3 comprises 80 to 90 parts by mass of polyethylene, preferably 82.5 to 87 parts by mass, and more preferably 83 to 85 parts by mass.
In the present invention, the polyethylene is preferably a linear low density polyethylene.
In the present invention, the melt index of the polyethylene is preferably 1.5 to 30g/10min, more preferably 2 to 27g/10min, and even more preferably 5 to 25g/10min.
In the present invention, the polyethylene is specifically purchased from Daqing petrochemical grade DFDA-9047.
The modified polyethylene layer 3 comprises 20-30 parts by weight of first polypropylene, preferably 21-28 parts by weight, and more preferably 23-25 parts by weight, based on the polyethylene.
In the present invention, the first polypropylene is preferably carbon fiber reinforced polypropylene.
In the invention, the first polypropylene can improve the toughness of the modified polyethylene layer, so that the modified polyethylene layer has proper hardness, is beneficial to corrugated forming, and improves the mechanical property of the waterproof layer of the modified polyethylene layer.
In the invention, the melt index of the first polypropylene is preferably 2-10 g/min, more preferably 2.5-9 g/min, and even more preferably 3-8 g/min.
The modified polyethylene layer 3 includes 5 to 10 parts by mass of a first styrene-butadiene-styrene block copolymer (first SBS), preferably 5.5 to 8 parts by mass, and more preferably 6 to 7 parts by mass, based on the polyethylene.
In the invention, the mass ratio of S/B of the first SBS is preferably 40:60, and the Shore hardness A is preferably 85-90. The first SBS has excellent low temperature resistance, and 5-10 parts of the first SBS is preferably used as the additive of the modified polyethylene layer 3, so that on one hand, the low temperature resistance of a modified polyethylene layer 3 system is improved, and on the other hand, the bonding strength with the modified asphalt layer 2 is improved.
Based on the mass portion of the polyethylene, the modified polyethylene layer 3 comprises 3-5 parts of a first antibacterial additive, preferably 3.5-4.8 parts, and more preferably 3.8-4.5 parts.
In the present invention, the first antibacterial additive is preferably an antibacterial master batch, and the antibacterial master batch is preferably a copper ion antibacterial master batch.
In the invention, the first antibacterial additive is preferably Antibacmax MB401 series manufactured by Shanghai Langmuir functional materials Co., ltd, and the antibacterial agent content is 20%.
Based on the mass portion of the polyethylene, the modified polyethylene layer 3 includes 2-5 parts of a first anti-aging agent, preferably 2.5-4.5 parts, and more preferably 3-4 parts.
In the present invention, the first antioxidant is preferably an antioxidant 1010 and/or an antioxidant 168, more preferably an antioxidant 1010 and an antioxidant 168, and the mass ratio of the antioxidant 1010 to the antioxidant 168 is preferably 1:1.
In the present invention, the thickness of the modified polyethylene layer 3 is preferably 2.5 to 3mm, more preferably 3mm.
The composite waterproof coiled material provided by the invention comprises a modified asphalt layer 2 arranged on the surface of the modified polyethylene layer 3.
In the invention, the modified asphalt layer 2 comprises the following components in parts by mass: 60-80 parts of asphalt, 10-20 parts of second polypropylene, 10-15 parts of naphthenic oil, 10-30 parts of second styrene-butadiene-styrene block copolymer, 3-5 parts of second antibacterial additive, 10-15 parts of talcum powder and 2-5 parts of second anti-aging agent.
In the invention, the modified asphalt layer 2 comprises 60 to 80 parts of asphalt, preferably 62 to 75 parts, and more preferably 65 to 70 parts by mass.
In the present invention, the asphalt is preferably No. 90 asphalt.
The modified asphalt layer 2 comprises 10-20 parts by weight of second polypropylene, preferably 12-17.5 parts by weight, and more preferably 13-16 parts by weight, based on the mass part of asphalt.
In the present invention, the second polypropylene is preferably carbon fiber reinforced polypropylene.
In the invention, the second polypropylene can enhance the strength and toughness of the modified asphalt layer and improve the waterproof performance of the modified asphalt layer.
In the present invention, the melt index of the second polypropylene is preferably 2 to 10g/min, more preferably 2.5 to 9g/min, and still more preferably 3 to 8g/min.
The modified asphalt layer 2 comprises 10-15 parts by weight of naphthenic oil, preferably 11-13.5 parts by weight, and more preferably 12-13 parts by weight, based on the asphalt.
In the present invention, the naphthenic oil is preferably KN4006 naphthenic oil.
In the invention, the naphthenic oil is used as a softening agent, so that the hardness of the modified asphalt layer is improved, and the mutual dissolving capacity of each component of the modified asphalt layer is improved.
Based on the mass portion of the asphalt, the modified asphalt layer 2 comprises 10-30 parts of second SBS, preferably 12-27 parts, and more preferably 15-25 parts.
In the invention, the S/B mass ratio of the second SBS is preferably 40:60, and the Shore hardness A is preferably 85-90. The second SBS has excellent low temperature resistance, and preferably 10-30 parts of the second SBS is used as an additive of the modified asphalt layer 2, so that on one hand, the low temperature resistance of a modified asphalt layer 2 system is improved, and on the other hand, the bonding strength with the modified polyethylene layer 3 is improved.
Based on the mass portion of the asphalt, the modified asphalt layer 2 comprises 3-5 parts of a second antibacterial additive, preferably 3.5-4.5 parts, and more preferably 4-4.5 parts.
In the present invention, the second antibacterial additive is preferably an antibacterial master batch, and the antibacterial master batch is preferably a copper ion antibacterial master batch.
In the invention, the second antibacterial additive is preferably Antibacmax MB401 series manufactured by Shanghai Langmuir functional materials Co., ltd, and the antibacterial agent content is 20%.
Based on the mass portion of the asphalt, the modified asphalt layer 2 comprises 10-15 parts of talcum powder, preferably 11.5-14 parts, and more preferably 12-13.5 parts.
In the present invention, the particle size of the talc is preferably 0.106mm or less, more preferably 0.075mm or less.
Based on the mass portion of the asphalt, the modified asphalt layer 2 comprises 2-5 parts of a second anti-aging agent, preferably 2.5-4.5 parts, and more preferably 3-4 parts.
In the present invention, the second antioxidant is preferably an antioxidant 1010 and/or an antioxidant 168, more preferably an antioxidant 1010 and an antioxidant 168, and the mass ratio of the antioxidant 1010 to the antioxidant 168 is preferably 1:1.
In the invention, the thickness of the modified asphalt layer 2 is 2-4 mm, preferably 3-4 mm.
The composite waterproof coiled material provided by the invention comprises an acrylic acid coating 1 arranged on the surface of the modified asphalt layer 2.
In the invention, the acrylic coating 1 is prepared by adopting an acrylic coating.
In the invention, the acrylic coating 1 meets the requirements of low-temperature flexibility, no crack at-25 ℃, water impermeability of 0.3Mpa, no leakage in 30min, tensile strength of more than 1.5Mpa and elongation of more than 350%.
In the invention, the acrylic coating 1 is coated by an acrylic coating, and the acrylic coating is an acrylic polymer waterproof coating and is a single-component coating taking acrylic acid as a main body.
In the present invention, the thickness of the acrylic coating 1 is preferably 1.5 to 2mm, more preferably 2mm.
In the invention, the thickness of the composite waterproof coiled material is preferably 6-9 mm, more preferably 8-9 mm.
In the present invention, the composite waterproof roll preferably has a corrugated 5 structure.
In the present invention, the longitudinal section of the corrugation 5 is preferably isosceles trapezoid, and the length of the upper bottom edge of the corrugation 5 is preferably 10mm, and the length of the lower bottom edge is preferably 30mm. In the present invention, the height of the corrugations 5 is preferably 20mm, more preferably 20mm. The center-to-center spacing of adjacent corrugations 5 is preferably 250 to 300mm, more preferably 300mm.
The invention provides a preparation method of the composite waterproof coiled material, which comprises the following steps:
melting and blending polyethylene, first polypropylene, first styrene-butadiene-styrene block copolymer, first antibacterial additive and first antioxidant, and extruding and shaping to obtain a modified polyethylene layer 3;
coating a modified asphalt layer sizing material on the surface of the modified polyethylene layer 3, and drying to obtain a modified asphalt layer 2 which is laminated on the surface of the modified polyethylene layer 3; the modified asphalt layer sizing material comprises asphalt, second polypropylene, naphthenic oil, second styrene-butadiene-styrene block copolymer, second antibacterial additive, talcum powder and second anti-aging agent;
and (3) coating acrylic acid paint on the surface of the modified asphalt layer 2, and drying to obtain the composite waterproof coiled material.
The modified polyethylene layer 3 is obtained by melt blending polyethylene, first polypropylene, first styrene-butadiene-styrene block copolymer, first antibacterial additive and first antioxidant and then extruding and shaping.
In the present invention, the melt blending is preferably performed in a screw extruder, which is preferably a twin screw extruder.
In the invention, the temperature of a feeding area of the screw machine is preferably 170-190 ℃, more preferably 175-190 ℃; the melting area temperature of the screw machine is preferably 190-210 ℃, more preferably 195-205 ℃; the temperature of a homogenizing zone of the screw machine is preferably 210-220 ℃ and 215-220 ℃; the temperature of a screen changer of the screw machine is preferably 205-210 ℃, more preferably 210 ℃; the die temperature of the screw machine is preferably 200-205 ℃, more preferably 200 ℃.
In the present invention, the extrusion shaping is preferably performed at the die head of the screw machine. In the present invention, the die lip of the die is preferably provided with a corrugated structure.
In the present invention, the modified polyethylene layer 3 includes a surface and a bottom surface, the surface of the modified polyethylene layer 3 is a side surface of the modified polyethylene layer having a corrugated structure, and the bottom surface of the modified polyethylene layer 3 is another side surface corresponding to the corrugated structure.
After the modified polyethylene layer 3 is obtained, coating (hereinafter referred to as first coating) a modified asphalt layer sizing material on the surface of the modified polyethylene layer 3, and drying (hereinafter referred to as first drying) to obtain a modified asphalt layer 2 laminated on the surface of the modified polyethylene layer 3; the modified asphalt layer sizing material comprises asphalt, second polypropylene, naphthenic oil, second styrene-butadiene-styrene block copolymer, second antibacterial additive, talcum powder and second anti-aging agent.
In the invention, the preparation method of the modified asphalt layer sizing material preferably comprises the following steps:
firstly mixing asphalt and naphthenic oil to obtain a first mixture;
and (3) mixing the first mixture, the second SBS, the second polypropylene, the second anti-aging agent and the second antibacterial additive for the second time to obtain the modified asphalt layer sizing material.
In the present invention, the first mixing is preferably performed in a formulation tank, and the temperature of the first mixing is preferably 135 to 150 ℃. In the invention, the temperature of the second mixing is preferably 180-190 ℃, and the time of the second mixing is preferably 5-6 h.
The invention is not particularly limited to the specific implementation of the first coating. The surface of the modified polyethylene layer 3 with the corrugated structure is preferably coated with the modified asphalt layer sizing material.
In the invention, the temperature of the first drying is preferably 70-80 ℃, and the heat preservation time of the first drying is preferably 1-1.5 min. In the present invention, the first drying is preferably performed in a forced air drying oven.
After obtaining the modified asphalt layer 2 laminated on the surface of the modified polyethylene layer 3, the present invention coats (hereinafter referred to as a second coating) the surface of the modified asphalt layer 2 with an acrylic paint, and dries (hereinafter referred to as a second drying) to obtain the composite waterproof coiled material.
In the present invention, the acrylic paint includes a first paint liquid and a second paint liquid. The first coating liquid is contained in the first charging bucket, the second coating is contained in the second charging bucket, the first coating liquid comprises acrylic acid coating and water, and the mass ratio of the acrylic acid coating to the water in the first coating liquid is preferably 99:1. In the invention, the stirring devices are arranged in the first charging bucket and the second charging bucket, and the stirring speed of the stirring devices in the first charging bucket and the second charging bucket is preferably 10-30 r/min.
The implementation process of the invention for the second drying after the second acrylic coating is preferably as follows: thirdly, coating a first acrylic coating on the surface of the modified asphalt layer 2, and thirdly, drying to obtain a first acrylic coating which is laminated on the surface of the modified asphalt layer 2; and fourthly, coating a second acrylic coating on the surface of the first acrylic coating, and fourth drying to obtain the composite waterproof coiled material.
In the present invention, the thickness of the first acrylic coating layer is preferably 1mm, and the present invention has no special requirement for the specific implementation of the third coating layer. In the present invention, the temperature of the third drying is preferably 35 to 40 ℃, the time of the third drying is preferably 2 to 2.5 minutes, and the third drying is preferably performed in a forced air drying oven. In the present invention, the thickness of the second acrylic coating layer is preferably 2mm, and the present invention has no special requirement for the specific implementation of the fourth coating layer. In the present invention, the temperature of the fourth drying is preferably 40 to 50 ℃, the time of the third drying is preferably 3 to 5 minutes, and the fourth drying is preferably performed in a forced air drying oven.
The invention provides a heat-insulating composite waterproof coiled material, which comprises a waterproof layer and a heat-insulating layer 4 which are arranged in a laminated manner; the waterproof layer is the composite waterproof coiled material according to the technical scheme or the composite waterproof coiled material prepared by the preparation method according to the technical scheme; the heat preservation layer 4 is contacted with the modified polyethylene layer 3 of the composite waterproof coiled material.
In the present invention, the insulation layer 4 is preferably a polyethylene insulation board, and more preferably a PEF polyethylene high-foaming insulation board. In the present invention, the thickness of the insulating layer 4 is preferably 4 to 8mm, more preferably 4.4 to 7mm.
The invention provides a preparation method of the heat-preservation composite waterproof coiled material, which comprises the following steps:
hot compress the heat preservation layer 4 on the bottom surface of the modified polyethylene layer 3, and press to obtain a semi-finished product;
and sequentially preparing a modified asphalt layer 2 and an acrylic acid coating 1 on the surface of the modified polyethylene layer 3 to obtain the heat-insulation composite waterproof coiled material.
According to the invention, the heat-insulating layer 4 is fomented on the bottom surface of the modified polyethylene layer 3, and a semi-finished product is obtained after pressing.
In the present invention, the preparation method of the modified polyethylene layer 3 is preferably the same as the preparation method of the modified polyethylene layer 3 described above, and will not be described in detail herein.
In the invention, the temperature of the hot compress is preferably 200-205 ℃.
In the present invention, the pressing is preferably rolling.
In the invention, the pressing pressure is preferably 0.3-0.5 MPa, the pressing temperature is preferably 200-205 ℃, and the pressing heat preservation and pressure maintaining time is preferably 0.5-1 min.
After a semi-finished product is obtained, the modified asphalt layer 2 and the acrylic acid coating 1 are sequentially prepared on the surface of the modified polyethylene layer 3, and the heat-insulation composite waterproof coiled material is obtained.
In the present invention, the preparation methods of the modified asphalt layer 2 and the acrylic coating layer 1 are preferably the same as those of the modified asphalt layer 2 and the acrylic coating layer 1 described above, and are not described in detail herein.
The technical solutions provided by the present invention are described in detail below with reference to the drawings and examples for further illustrating the present invention, but they should not be construed as limiting the scope of the present invention.
Example 1
The heat-insulating composite waterproof coiled material with the structure shown in fig. 1 is prepared according to the flow chart shown in fig. 2:
wherein: the modified polyethylene layer 3 comprises the following components in parts by mass:
80 parts of linear low density polyethylene;
30 parts of polypropylene;
5 parts of SBS;
5 parts of an antibacterial additive;
2 parts of an anti-aging agent;
the modified asphalt layer 2 comprises the following components in parts by mass:
60 parts of asphalt
Polypropylene 20 parts
Naphthenic oil 13 parts
SBS 20 parts
5 parts of antibacterial additive
15 parts of talcum powder
3 parts of an anti-aging agent;
wherein the naphthenic oil is KN4006 naphthenic oil, the linear low density polyethylene is Daqing petrochemical, the brand is DFDA-9047, the melt index of polypropylene is 6g/min, the antibacterial additive is Antibacmax series MB401 of Langmuin materials, the antibacterial agent content is 20%, the anti-aging agent is an anti-aging agent 1010 and an anti-aging agent 168 with the mass ratio of 1:1, and the particle size of talcum powder is less than or equal to 0.106mm;
adding asphalt and naphthenic oil into a mixing tank, heating to 135 ℃, adding SBS, polypropylene, an anti-aging agent and an antibacterial additive, heating to 180 ℃, and stirring for 6 hours to obtain a modified asphalt layer sizing material;
and respectively filling the acrylic acid paint into a first charging tank and a second charging tank, wherein the mass ratio of the acrylic acid paint in the first charging tank to water is 99:1, and no water is added into the acrylic acid paint in the second charging tank. The two charging tanks are respectively provided with a stirring device, the stirring speed is 10r/min, and a first acrylic paint (the mass ratio of the acrylic paint to water is 99:1) and a second acrylic paint are obtained;
the raw materials of the modified polyethylene layer 3 are pumped to a storage bin according to the mass parts, are extruded through a die head after being melted and blended by double screws, the die lips are of corrugated design, the longitudinal section of each corrugated is isosceles trapezoid, the height of each corrugated is 20mm, the length of the upper bottom is 10mm, the length of the lower bottom is 30mm, and the distance between the centers of two adjacent corrugated is 300mm. Wherein the temperature of a feeding area of the double-screw extruder is 170 ℃, the temperature of a melting area is 190 ℃, the temperature of a homogenizing area is 210 ℃, the temperature of a screen changer is 205 ℃, the temperature of a die head is 200 ℃, and the modified polyethylene layer 3 with the corrugated structure surface is obtained after extrusion shaping by the die head, and the thickness is 2.5mm;
after the modified polyethylene layer 3 with the corrugated structure surface is obtained, the bottom surface of the modified polyethylene layer 3 with the corrugated structure surface is subjected to hot compress PEF polyethylene high-foaming heat-insulating board, and the thickness is 4.0mm; then the modified polyethylene layer 3 and the PEF polyethylene high-foaming heat-insulating plate are pressed by a pressing roller, the rolling pressure is 0.5MPa, and the roller passing time is 0.5min;
coating a modified asphalt layer sizing material on the surface of the modified polyethylene layer 3 with a corrugated structure, and then drying for 2min at 70 ℃ in forced air drying; obtaining a modified asphalt layer 2 with the thickness of 2 mm;
coating a first acrylic coating with the mass ratio of the acrylic coating to water being 99:1 on the surface of the modified asphalt layer 2, and drying for 3min at 35 ℃ in the air drying process; then coating acrylic acid coating, drying for 5min at 40 ℃ in forced air drying, wherein the thickness of the acrylic acid coating is 3mm, and obtaining the heat-insulation composite waterproof coiled material.
Example 2
The heat-insulating composite waterproof coiled material with the structure shown in fig. 1 is prepared according to the flow chart shown in fig. 2:
wherein: the modified polyethylene layer 3 comprises the following components in parts by mass:
85 parts of linear low density polyethylene;
25 parts of polypropylene;
7 parts of SBS;
4 parts of an antibacterial additive;
3 parts of an anti-aging agent;
the modified asphalt layer 2 comprises the following components in parts by mass:
80 parts of asphalt;
10 parts of polypropylene;
10 parts of naphthenic oil;
10 parts of SBS;
4 parts of an antibacterial additive;
10 parts of talcum powder;
5 parts of an anti-aging agent;
wherein the naphthenic oil is KN4006 naphthenic oil, the linear low density polyethylene is Daqing petrochemical, the brand is DFDA-9047, the melt index of polypropylene is 6g/min, the antibacterial additive is Antibacmax series MB401 of Langmuin materials, the antibacterial agent content is 20%, the anti-aging agent is an anti-aging agent 1010 and an anti-aging agent 168 with the mass ratio of 1:1, and the particle size of talcum powder is less than or equal to 0.106mm;
adding asphalt and naphthenic oil into a mixing tank, heating to 150 ℃, adding SBS, polypropylene, an anti-aging agent and an antibacterial additive, heating to 190 ℃, and stirring for 5 hours to obtain a modified asphalt layer sizing material;
and respectively filling the acrylic acid paint into a first charging tank and a second charging tank, wherein the mass ratio of the acrylic acid paint in the first charging tank to water is 99:1, and no water is added into the acrylic acid paint in the second charging tank. The two charging tanks are respectively provided with a stirring device, the stirring speed is 30r/min, and a first acrylic paint (the mass ratio of the acrylic paint to water is 99:1) and a second acrylic paint are obtained;
the raw materials of the modified polyethylene layer 3 are pumped to a storage bin according to the mass parts, are extruded through a die head after being melted and blended by double screws, the die lips are of corrugated design, the longitudinal section of each corrugated is isosceles trapezoid, the height of each corrugated is 20mm, the length of the upper bottom is 10mm, the length of the lower bottom is 30mm, and the distance between the centers of two adjacent corrugated is 300mm. Wherein the temperature of a feeding area of the double-screw extruder is 190 ℃, the temperature of a melting area is 210 ℃, the temperature of a homogenizing area is 220 ℃, the temperature of a screen changer is 210 ℃, the temperature of a die head is 205 ℃, and the modified polyethylene layer 3 with the corrugated structure surface is obtained after extrusion shaping by the die head, and the thickness is 3mm;
after the modified polyethylene layer 3 with the corrugated structure surface is obtained, the bottom surface of the modified polyethylene layer 3 with the corrugated structure surface is subjected to hot compress PEF polyethylene high-foaming heat-insulating board, and the thickness is 6.0mm; then the modified polyethylene layer 3 and the PEF polyethylene high-foaming heat-insulating plate are pressed by a pressing roller, the rolling pressure is 0.3MPa, and the roller passing time is 1min;
coating a modified asphalt layer sizing material on the surface of the modified polyethylene layer 3 with a corrugated structure, and then drying for 1min at 80 ℃ in forced air drying; obtaining a modified asphalt layer 2 with the thickness of 3mm;
coating a first acrylic coating with the mass ratio of the acrylic coating to water being 99:1 on the surface of the modified asphalt layer 2, and drying for 2min at 40 ℃ in forced air drying; then coating acrylic acid coating, drying for 3min at 50 ℃ in forced air drying, wherein the thickness of the acrylic acid coating is 3mm, and obtaining the heat-insulation composite waterproof coiled material.
Example 3
The heat-insulating composite waterproof coiled material with the structure shown in fig. 1 is prepared according to the flow chart shown in fig. 2:
wherein: the modified polyethylene layer 3 comprises the following components in parts by mass:
90 parts of linear low density polyethylene;
20 parts of polypropylene;
10 parts of SBS;
3 parts of an antibacterial additive;
5 parts of an anti-aging agent;
the modified asphalt layer 2 comprises the following components in parts by mass:
70 parts of asphalt;
15 parts of polypropylene;
15 parts of naphthenic oil;
30 parts of SBS;
3 parts of an antibacterial additive;
13 parts of talcum powder;
2 parts of an anti-aging agent;
wherein the naphthenic oil is KN4006 naphthenic oil, the linear low density polyethylene is Daqing petrochemical, the brand is DFDA-9047, the melt index of polypropylene is 6g/min, the antibacterial additive is Antibacmax series MB401 of Langmuin materials, the antibacterial agent content is 20%, the anti-aging agent is an anti-aging agent 1010 and an anti-aging agent 168 with the mass ratio of 1:1, and the particle size of talcum powder is less than or equal to 0.106mm;
adding asphalt and naphthenic oil into a mixing tank, heating to 142 ℃, adding SBS, polypropylene, an anti-aging agent and an antibacterial additive, heating to 185 ℃ and stirring for 5.5 hours to obtain a modified asphalt layer sizing material;
and respectively filling the acrylic acid paint into a first charging tank and a second charging tank, wherein the mass ratio of the acrylic acid paint in the first charging tank to water is 99:1, and no water is added into the acrylic acid paint in the second charging tank. The two charging tanks are respectively provided with a stirring device, the stirring speed is 20r/min, and a first acrylic paint (the mass ratio of the acrylic paint to water is 99:1) and a second acrylic paint are obtained;
the raw materials of the modified polyethylene layer 3 are pumped to a storage bin according to the mass parts, are extruded through a die head after being melted and blended by double screws, the die lips are of corrugated design, the longitudinal section of each corrugated is isosceles trapezoid, the height of each corrugated is 20mm, the length of the upper bottom is 10mm, the length of the lower bottom is 30mm, and the distance between the centers of two adjacent corrugated is 300mm. Wherein the temperature of a feeding area of the double-screw extruder is 180 ℃, the temperature of a melting area is 200 ℃, the temperature of a homogenizing area is 215 ℃, the temperature of a screen changer is 208 ℃, the temperature of a die head is 203 ℃, and the modified polyethylene layer 3 with the corrugated structure surface is obtained after extrusion shaping by the die head, and the thickness is 2.7mm;
after the modified polyethylene layer 3 with the corrugated structure surface is obtained, the bottom surface of the modified polyethylene layer 3 with the corrugated structure surface is subjected to hot compress PEF polyethylene high-foaming heat-insulating board, and the thickness is 8.0mm; then the modified polyethylene layer 3 and the PEF polyethylene high-foaming heat-insulating plate are pressed by a pressing roller, the rolling pressure is 0.3MPa, and the roller passing time is 1min;
coating a modified asphalt layer sizing material on the surface of the modified polyethylene layer 3 with a corrugated structure, and then drying for 1.5min at 75 ℃ in forced air drying; obtaining a modified asphalt layer 2 with the thickness of 4 mm;
coating a first acrylic coating with the mass ratio of the acrylic coating to water being 99:1 on the surface of the modified asphalt layer 2, and drying for 2.5min at 37 ℃ in the air drying process; then coating acrylic acid coating, drying for 4min at 45 ℃ in forced air drying, wherein the thickness of the acrylic acid coating is 3mm, and obtaining the heat-insulation composite waterproof coiled material.
Comparative example 1
The polyethylene layer 3 is a linear low-density polyethylene layer with the brand of DFDA-9047 and the thickness of 2.5mm;
the modified asphalt layer 2 comprises the following components in parts by mass:
80 parts of asphalt;
15 parts of polypropylene;
10 parts of naphthenic oil;
10 parts of SBS;
10 parts of talcum powder;
5 parts of an anti-aging agent;
wherein the naphthenic oil is KN4006 naphthenic oil, the melt index of polypropylene is 5g/min, the anti-aging agent is an anti-aging agent 1010 and an anti-aging agent 168 with the mass ratio of 1:1, and the particle size of talcum powder is less than or equal to 0.106mm;
adding asphalt and naphthenic oil into a mixing tank, heating to 150 ℃, adding SBS, polypropylene, an anti-aging agent and an antibacterial additive, heating to 190 ℃, and stirring for 5 hours to obtain a modified asphalt layer sizing material;
and respectively filling the acrylic acid paint into a first charging tank and a second charging tank, wherein the mass ratio of the acrylic acid paint in the first charging tank to water is 99:1, and no water is added into the acrylic acid paint in the second charging tank. The two charging tanks are respectively provided with a stirring device, the stirring speed is 10r/min, and a first acrylic paint (the mass ratio of the acrylic paint to water is 99:1) and a second acrylic paint are obtained;
the bottom surface of the polyethylene layer is hot-compressed with a PEF polyethylene high-foaming heat-insulating plate, and the thickness is 4.0mm; then the modified polyethylene layer 3 and the PEF polyethylene high-foaming heat-insulating plate are pressed by a pressing roller, the rolling pressure is 0.5MPa, and the roller passing time is 0.5min;
coating a modified asphalt layer sizing material on the surface of the polyethylene layer, and then drying for 2min at 70 ℃ in forced air drying; obtaining a modified asphalt layer 2 with the thickness of 4 mm;
coating a first acrylic coating with the mass ratio of the acrylic coating to water being 99:1 on the surface of the modified asphalt layer 2, and drying for 3min at 35 ℃ in the air drying process; then coating acrylic acid coating, drying for 5min at 40 ℃ in forced air drying, wherein the thickness of the acrylic acid coating is 3mm, and obtaining the heat-insulation composite waterproof coiled material.
Comparative example 2
The heat-insulating composite waterproof coiled material with the structure shown in fig. 1 is prepared according to the flow chart shown in fig. 2:
substantially the same as in comparative example 1, except that: the modified polyethylene layer 3 comprises the following components in parts by mass:
90 parts of linear low density polyethylene;
20 parts of polypropylene;
5 parts of an anti-aging agent.
Comparative example 3
The modified polyethylene layer 3 comprises the following components in parts by mass:
90 parts of linear low density polyethylene;
20 parts of polypropylene;
5 parts of an anti-aging agent;
the modified asphalt layer 2 comprises the following components in parts by mass:
60 parts of asphalt
Polypropylene 20 parts
Naphthenic oil 13 parts
SBS 20 parts
5 parts of antibacterial additive
15 parts of talcum powder
3 parts of an anti-aging agent;
wherein the naphthenic oil is KN4006 naphthenic oil, the linear low density polyethylene is Daqing petrochemical, the brand is DFDA-9047, the melt index of polypropylene is 5g/min, the antibacterial additive is Antibacmax series MB401 of Langmuin materials, the antibacterial agent content is 20%, the anti-aging agent is an anti-aging agent 1010 and an anti-aging agent 168 with the mass ratio of 1:1, and the particle size of talcum powder is less than or equal to 0.106mm;
adding asphalt and naphthenic oil into a mixing tank, heating to 135 ℃, adding SBS, polypropylene, an anti-aging agent and an antibacterial additive, heating to 180 ℃, and stirring for 6 hours to obtain a modified asphalt layer sizing material;
the raw materials of the modified polyethylene layer 3 are pumped to a storage bin according to the mass parts, are extruded through a die head after being melted and blended by double screws, the die lips are of corrugated design, the longitudinal section of each corrugated is isosceles trapezoid, the height of each corrugated is 20mm, the length of the upper bottom is 10mm, the length of the lower bottom is 30mm, and the distance between the centers of two adjacent corrugated is 300mm. Wherein the temperature of a feeding area of the double-screw extruder is 170 ℃, the temperature of a melting area is 190 ℃, the temperature of a homogenizing area is 210 ℃, the temperature of a screen changer is 205 ℃, the temperature of a die head is 200 ℃, and the modified polyethylene layer 3 with the corrugated structure surface is obtained after extrusion shaping by the die head, and the thickness is 2.5mm;
after the modified polyethylene layer 3 with the corrugated structure surface is obtained, the bottom surface of the modified polyethylene layer 3 with the corrugated structure surface is subjected to hot compress PEF polyethylene high-foaming heat-insulating board, and the thickness is 8.0mm; then the modified polyethylene layer 3 and the PEF polyethylene high-foaming heat-insulating plate are pressed by a pressing roller, the rolling pressure is 0.5MPa, and the roller passing time is 0.5min;
coating a modified asphalt layer sizing material on the surface of the modified polyethylene layer 3 with a corrugated structure, and then drying for 2min at 70 ℃ in forced air drying; and obtaining the modified asphalt layer 2 with the thickness of 2mm, thereby obtaining the heat-insulating composite waterproof coiled material.
Test case
Sampling examples 1-3 and comparative examples 1-3, and performing physical property detection, wherein a tensile test is performed according to the specification of GB/T328.8, the tensile speed is (100+/-10) mm/min, and the clamp spacing is 200mm; the impermeability test is described in GB/T328.10-2007; the low temperature flexibility test is carried out according to GB/T328.14 and the antibacterial property test is carried out according to QB/T2591-2003; the artificial weathering test is described in GB/T3511. Physical indexes are shown in table 1.
Table 1 physical properties test results of the products prepared in examples 1 to 3 and comparative examples 1 to 3
Figure 704033DEST_PATH_IMAGE001
The comparative example 1 adopts a polyethylene layer, an asphalt layer, an acrylic acid coating and a PEF heat-insulating layer, and is different from the comparative example 1 in that the polyethylene layer is not modified, the asphalt layer is not added with an antibacterial additive, and the mechanical property and the antibacterial property are reduced. Comparative example 2 is different from example 3 in that SBS was not used for the polyethylene layer and the elongation in mechanical properties was lowered. Comparative example 3 the artificial weathering performance of the product was reduced without the acrylic coating. Therefore, the mechanical property of the polyethylene waterproof layer is improved after the polyethylene waterproof layer is modified by polypropylene and SBS, the tensile force can be kept above 1132N/50mm, and the extensibility can be kept above 887%. By adding the antibacterial additive, the antibacterial property of the coiled material is improved, the antibacterial rate is over 92 percent, and the mildew grade is grade 1. The acrylic coating greatly improves the durability, the retention rate of artificial weathering tensile force is more than 92%, and the retention rate of elongation is more than 90%. The heat-insulating composite waterproof material provided by the invention has excellent mechanical property and antibacterial durability.
Although the foregoing embodiments have been described in some, but not all embodiments of the invention, other embodiments may be obtained according to the present embodiments without departing from the scope of the invention.

Claims (8)

1. The heat-insulating composite waterproof coiled material is characterized by comprising a waterproof layer and a heat-insulating layer (4) which are arranged in a laminated manner; the waterproof layer is a composite waterproof coiled material; the heat preservation layer (4) is contacted with the modified polyethylene layer (3) of the composite waterproof coiled material; the heat-insulating layer (4) is a polyethylene heat-insulating plate,
the composite waterproof coiled material comprises a modified polyethylene layer (3), a modified asphalt layer (2) and an acrylic acid coating (1) which are sequentially laminated;
the modified polyethylene layer (3) comprises the following components in parts by mass: 80-90 parts of polyethylene, 20-30 parts of first polypropylene, 5-10 parts of first styrene-butadiene-styrene block copolymer, 3-5 parts of first antibacterial additive and 2-5 parts of first anti-aging agent;
the modified asphalt layer (2) comprises the following components in parts by mass: 60-80 parts of asphalt, 10-20 parts of second polypropylene, 10-15 parts of naphthenic oil, 10-30 parts of second styrene-butadiene-styrene block copolymer, 3-5 parts of second antibacterial additive, 10-15 parts of talcum powder and 2-5 parts of second anti-aging agent;
the composite waterproof coiled material has a corrugated (5) structure.
2. The heat-insulating composite waterproof coiled material according to claim 1, wherein the longitudinal section of each corrugated (5) is isosceles trapezoid, the height of each corrugated (5) is 20mm, and the center-to-center distance between every two adjacent corrugated (5) is 250-300 mm.
3. The heat-insulating composite waterproof coiled material according to claim 1 or 2, wherein the thickness of the composite waterproof coiled material is 6-9 mm; the thickness of the modified polyethylene layer (3) is 2.5-3 mm, the thickness of the modified asphalt layer (2) is 2-4 mm, and the thickness of the acrylic coating (1) is 1.5-2 mm.
4. The heat-insulating composite waterproof coiled material according to claim 1, wherein the polyethylene has a melt index of 1.5-30 g/10min; the melt indexes of the first polypropylene and the second polypropylene are independently 2-10 g/min; the asphalt is No. 90 asphalt; the naphthenic oil is KN4006 naphthenic oil; the particle size of talcum powder is less than or equal to 0.106mm.
5. The heat-insulating composite waterproof coiled material according to claim 1, the preparation method of the composite waterproof coiled material comprises the following steps:
melting and blending polyethylene, first polypropylene, first styrene-butadiene-styrene block copolymer, first antibacterial additive and first antioxidant, and then extruding and shaping to obtain a modified polyethylene layer (3);
coating a modified asphalt layer sizing material on the surface of the modified polyethylene layer (3), and drying to obtain a modified asphalt layer (2) laminated on the surface of the modified polyethylene layer (3); the modified asphalt layer sizing material is asphalt, second polypropylene, naphthenic oil, second styrene-butadiene-styrene block copolymer, second antibacterial additive, talcum powder and second anti-aging agent;
and (3) coating acrylic acid paint on the surface of the modified asphalt layer (2), and drying to obtain the composite waterproof coiled material.
6. The heat preservation composite waterproof coiled material according to claim 5, wherein the melt blending is performed in a screw machine, the temperature of a feeding area of the screw machine is 170-190 ℃, the temperature of a melting area is 190-210 ℃, the temperature of a homogenizing area is 210-220 ℃, the temperature of a screen changer is 205-210 ℃, and the temperature of a die head is 200-205 ℃.
7. The heat-insulating composite waterproof coiled material according to claim 1, wherein the thickness of the heat-insulating layer (4) is 4-8 mm.
8. A method for preparing a heat-insulating composite waterproof coiled material, wherein the heat-insulating composite waterproof coiled material is the heat-insulating composite waterproof coiled material according to any one of claims 1 to 7, and is characterized by comprising the following steps:
hot compress the heat preservation layer (4) on the bottom surface of the modified polyethylene layer (3), and obtain a semi-finished product after pressing;
and sequentially preparing a modified asphalt layer (2) and an acrylic acid coating (1) on the surface of the modified polyethylene layer (3) to obtain the heat-insulating composite waterproof coiled material.
CN202211587124.5A 2022-12-12 2022-12-12 Composite waterproof coiled material, heat-insulating composite waterproof coiled material and preparation method thereof Active CN115594873B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211587124.5A CN115594873B (en) 2022-12-12 2022-12-12 Composite waterproof coiled material, heat-insulating composite waterproof coiled material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211587124.5A CN115594873B (en) 2022-12-12 2022-12-12 Composite waterproof coiled material, heat-insulating composite waterproof coiled material and preparation method thereof

Publications (2)

Publication Number Publication Date
CN115594873A CN115594873A (en) 2023-01-13
CN115594873B true CN115594873B (en) 2023-06-06

Family

ID=84852784

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211587124.5A Active CN115594873B (en) 2022-12-12 2022-12-12 Composite waterproof coiled material, heat-insulating composite waterproof coiled material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN115594873B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115991044B (en) * 2023-03-23 2023-06-02 河北泽润工程橡塑有限公司 Composite heat-insulating waterproof coiled material and production method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110318259B (en) * 2019-06-25 2021-12-07 北京宇阳泽丽防水材料有限责任公司 High polymer modified asphalt waterproof coiled material and production process thereof
CN111635710A (en) * 2020-05-26 2020-09-08 甘肃大禹防水科技发展有限公司 Double-base waterproof coiled material and preparation method thereof
CN214688351U (en) * 2021-03-02 2021-11-12 佛山市科顺建筑材料有限公司 Polymer waterproofing membrane
CN113071181A (en) * 2021-04-23 2021-07-06 吉林省宏源防水材料有限公司 Mould-resistant modified asphalt waterproof coiled material and preparation method thereof
CN218111977U (en) * 2022-09-01 2022-12-23 衡水中裕铁信防水技术有限公司 Corrugated composite waterproof coiled material

Also Published As

Publication number Publication date
CN115594873A (en) 2023-01-13

Similar Documents

Publication Publication Date Title
CN104476878B (en) Flexible self-adhesive thermoplastic polyolefin waterproof coil material and preparation method thereof
CN115594873B (en) Composite waterproof coiled material, heat-insulating composite waterproof coiled material and preparation method thereof
CN104558800B (en) A kind of drainage systems and preparation method thereof
CN112029185B (en) High-strength and puncture-resistant geomembrane and preparation method and application thereof
CN101260288A (en) Thermoplastic polyolefin-like waterproof material and preparation method thereof
NO176169B (en) Plastic sealing webs with an overview, a sub-layer and an intermediate supporting material
CN103088923A (en) Modified waterproof coiled material and producing method thereof
CN112011115B (en) Plastic waterproof material and preparation method and application thereof
CN114193881B (en) Polymer pre-laid waterproof coiled material and preparation method thereof
CN103950256A (en) TPO (Thermoplastic Polyolefin) waterproof roll with easily-cleaned surface and preparation method thereof
CN103832027B (en) It is a kind of by rubber, plastic foil, chemical fabric composite waterproof sheet product
CN110228253B (en) Flame-retardant puncture-resistant high-barrier sheet material and preparation method thereof
EP3510005B1 (en) Lightweight filler for waterproofing bitumen membranes
KR101279889B1 (en) Method for production of asphalt typed water proof agent
CN103541745A (en) High-temperature-resistant and corrosion-resistant waterproof board for tunnels and production process thereof
CN101875234B (en) Preparation process of polypropylene diaphragm for pressure filter
CN1157458C (en) Multi-layer water-proof coiled composite material of polyethylene blend
CN116731626B (en) High-strength stainless steel waterproof coiled material and preparation method thereof
EP0737713A1 (en) Plastic sealing sheet based on polyolefines made by single site catalysts
CN207607191U (en) It is a kind of can selfreparing high tenacity high softening-point waterproof roll
CN101942131A (en) Environmentally-friendly carpet tile backing material and preparation method thereof
CN104387681A (en) Aging-resistant weather-resistant waterproof TPO material and preparation method thereof
US11761209B2 (en) Coatings for roofing materials and related methods
CN112373161B (en) High-heat-conductivity and high-heat-resistance multilayer composite pipe and preparation method thereof
RU2314375C2 (en) Method of manufacturing roll roofing and waterproofing material

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant