CN117127654A - Waterproof coiled material capable of realizing two waterproof functions and construction process thereof - Google Patents

Waterproof coiled material capable of realizing two waterproof functions and construction process thereof Download PDF

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Publication number
CN117127654A
CN117127654A CN202310961947.8A CN202310961947A CN117127654A CN 117127654 A CN117127654 A CN 117127654A CN 202310961947 A CN202310961947 A CN 202310961947A CN 117127654 A CN117127654 A CN 117127654A
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China
Prior art keywords
layer
waterproof
parts
adhesive layer
hot melt
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CN202310961947.8A
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CN117127654B (en
Inventor
潘斌毅
梁涛
卢森
伍嘉棋
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Guangdong Xintao New Materials S&t Co ltd
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Guangdong Xintao New Materials S&t Co ltd
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
    • 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
    • B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
    • B32B19/04—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material
    • 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
    • B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
    • B32B19/04—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material
    • B32B19/045—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica 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
    • B32B27/06—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
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C09J123/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C09J123/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefines
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J153/02—Vinyl aromatic monomers and conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J195/00—Adhesives based on bituminous materials, e.g. asphalt, tar, pitch
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J201/00—Adhesives based on unspecified macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/35—Heat-activated
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/346—Applications of adhesives in processes or use of adhesives in the form of films or foils for building applications e.g. wrap foil
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/10—Presence of inorganic materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2423/00—Presence of polyolefin
    • C09J2423/04—Presence of homo or copolymers of ethene
    • C09J2423/046—Presence of homo or copolymers of ethene in the substrate

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a waterproof coiled material with two waterproof layers and a construction process thereof, wherein the waterproof coiled material comprises a first waterproof layer and a second waterproof layer; the second waterproof layer is equipped with sand layer, first hot melt adhesive layer, connection rete and second hot melt adhesive layer from the top down in proper order, and second hot melt adhesive layer bonds with first waterproof layer. Wherein the first hot melt adhesive layer is a styrene-isoprene-styrene adhesive layer; the second hot melt adhesive layer is one or more than two composite layers of a styrene-isoprene-styrene adhesive layer, a butyl adhesive layer and an asphalt modified adhesive layer, so that the first hot melt adhesive layer and the second hot melt adhesive layer can both realize a self-adhesive function, and the self-adhesive can resist permeation of micromolecule substances or hybrid substances from the hot melt adhesive layer, so that the two layers of the hot melt adhesive layers in the second waterproof layer still keep good cohesiveness after long-time use. The waterproof layer can keep the viscosity between the first waterproof layer and the second waterproof layer, improve the water channeling resistance and effectively meet the waterproof requirements of indoor and outdoor buildings.

Description

Waterproof coiled material capable of realizing two waterproof functions and construction process thereof
Technical Field
The invention relates to the technical field of waterproof coiled materials, in particular to a two-pass waterproof coiled material and a construction process thereof.
Background
The problem of water resistance of underground engineering is always a technical difficulty of building engineering. In the past, an asphalt waterproof coiled material and a non-curing waterproof coating technology which are externally attached are generally adopted, but the construction technology has higher requirements on flatness, dryness and the like of a concrete cushion layer, the channeling resistance of the coiled material and a main structure waterproof layer is poorer, and the leakage of underground engineering is easy to cause. The pre-laid waterproof coiled material commonly used in China at present is a high polymer self-adhesive film pre-laid waterproof coiled material, and the pre-laid anti-adhesion technology is adopted to reduce engineering leakage. The pre-paved waterproof coiled material is widely applied in underground waterproof engineering by the characteristics of self-adhesion lap joint, convenient construction, good water channeling resistance, excellent mechanical property and the like. However, the traditional waterproof coiled material is an isolated waterproof system, namely the waterproof coiled material is mainly integrally formed, and the waterproof coiled material is completely sealed, but the integrally formed waterproof coiled material has higher requirements on equipment and materials.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the invention is to provide a two-way waterproof coiled material, which adopts a specific waterproof layer structure and a specific hot melt adhesive layer to improve the waterproof function of a main body; the second purpose of the invention is to provide a construction process of the two waterproof coiled materials, which is convenient and simple and is suitable for large-scale use.
One of the purposes of the invention is realized by adopting the following technical scheme:
a waterproof coiled material with two waterproof layers comprises a first waterproof layer and a second waterproof layer; the second waterproof layer is sequentially provided with a sand layer, a first hot melt adhesive layer, a connecting film layer and a second hot melt adhesive layer from top to bottom, and the second hot melt adhesive layer is adhered to the first waterproof layer; wherein the first hot melt adhesive layer is a styrene-isoprene-styrene adhesive layer; the second hot melt adhesive layer is one or more than two composite layers of a styrene-isoprene-styrene adhesive layer, a butyl adhesive layer and an asphalt modified adhesive layer.
Further, the first waterproof layer is a high-density polyethylene layer and/or a crossed film.
Further, the raw materials used for the styrene-isoprene-styrene adhesive layer comprise the following components in parts by weight: 5 to 10 parts of polyisobutylene, 20 to 35 parts of styrene-isoprene-styrene, 30 to 50 parts of tackifying resin, 1 to 2 parts of antioxidant and 0.5 to 1 part of coupling agent.
Further, the first hot melt adhesive layer and the second hot melt adhesive layer are both styrene-isoprene-styrene adhesive layers.
Further, the connection film layer is a crossed film layer and/or a high-density polyethylene layer.
Further, the butyl rubber used for the butyl rubber layer comprises the following raw materials in parts by weight: 10-30 parts of polyisobutylene, 20-35 parts of butyl rubber, 30-50 parts of tackifying resin, 1-2 parts of antioxidant and 0.5-1 part of ultraviolet absorber.
Further, the butyl rubber used for the butyl rubber layer comprises the following raw materials in parts by weight: the material comprises the following raw materials in parts by weight: 10-30 parts of polyisobutylene, 10-20 parts of butyl rubber, 20-30 parts of tackifying resin, 1-2 parts of antioxidant, 0.5-1 part of ultraviolet absorber and 20-30 parts of filler.
Further, the asphalt modified glue layer comprises the following raw materials in parts by weight: 60-70 parts of asphalt, 5-10 parts of styrene butadiene styrene copolymer, 1-2 parts of antioxidant and 10-20 parts of tackifying resin.
Further, a release film is also included; the release film is arranged on the bonding surface of the first hot melt adhesive layer.
The second purpose of the invention is realized by adopting the following technical scheme:
the construction process of the two waterproof coiled materials comprises the following steps: and paving the first waterproof layer on the bottom plate and fixing, and then bonding the first hot melt adhesive layer in the second waterproof layer with the first waterproof layer to finish the construction of the waterproof coiled materials of the two waterproof layers.
Compared with the prior art, the invention has the beneficial effects that:
the two waterproof coiled materials comprise a first waterproof layer and a second waterproof layer; the second waterproof layer is equipped with sand layer, first hot melt adhesive layer, connection rete and second hot melt adhesive layer from the top down in proper order, and second hot melt adhesive layer bonds with first waterproof layer. Wherein the first hot melt adhesive layer is a styrene-isoprene-styrene adhesive layer; the second hot melt adhesive layer is one or more than two composite layers of a styrene-isoprene-styrene adhesive layer, a butyl adhesive layer and an asphalt modified adhesive layer, so that the first hot melt adhesive layer and the second hot melt adhesive layer can both realize a self-adhesive function, and the self-adhesive can resist permeation of micromolecule substances or hybrid substances from the hot melt adhesive layer, so that the two layers of the hot melt adhesive layers in the second waterproof layer still keep good cohesiveness after long-time use. The second hot melt adhesive layer is self-adhered with the first waterproof layer, so that the problems of arching, edge warping and the like are avoided, and the sealing of the first hot melt adhesive layer and the connecting film layer is realized, so that small molecular materials in the first hot melt adhesive layer and the second hot melt adhesive layer are not easy to volatilize or migrate at high temperature, the viscosity between the first waterproof layer and the second waterproof layer can be kept, the water channeling resistance is improved, and the waterproof requirements of indoor and outdoor buildings can be effectively met.
Drawings
Fig. 1 is a schematic structural view of a two-pass waterproof roll of the present invention after construction;
in the figure: 1. a first waterproof layer; 2. a second waterproof layer; 21. a first hot melt adhesive layer; 22. connecting the film layers; 23. a second hot melt adhesive layer; 24. and (3) a sand layer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Example 1
A waterproof coiled material with two waterproof layers comprises a first waterproof layer 1 and a second waterproof layer 2; the second waterproof layer 2 is provided with a sand layer 24, a first hot melt adhesive layer 21, a connecting film layer 22 and a second hot melt adhesive layer 23 in sequence from top to bottom, and the second hot melt adhesive layer 23 is adhered to the first waterproof layer 1; wherein, the first hot melt adhesive layer 21 and the second hot melt adhesive layer 23 are both styrene-isoprene-styrene adhesive layers. The waterproof roll further comprises a release film, wherein the release film is arranged on the bonding surface of the first hot melt adhesive layer 21, as shown in fig. 1, when the first waterproof layer 1 and the second waterproof layer 2 are required to be compounded, the release film (not shown in the figure) is torn, and the first hot melt adhesive layer 21 and the first waterproof layer 1 are bonded to obtain two waterproof rolls.
Wherein the first waterproof layer 1 is a high-density polyethylene layer. The tie film layer 22 is a high density polyethylene layer.
Specifically, the raw materials used for the styrene-isoprene-styrene adhesive layer comprise the following components in parts by weight: 7 parts of polyisobutylene, 25 parts of styrene-isoprene-styrene, 41 parts of tackifying resin, 1.5 parts of antioxidant and 0.6 part of coupling agent.
The construction process of the two waterproof coiled materials comprises the following steps: the first waterproof layer 1 is paved on the bottom plate and fixed, and then the first hot melt adhesive layer 21 in the second waterproof layer 2 is bonded with the first waterproof layer 1, so that the construction of the waterproof coiled materials with two waterproof layers is completed.
Example 2
A waterproof coiled material with two waterproof layers comprises a first waterproof layer 1 and a second waterproof layer 2; the second waterproof layer 2 is provided with a sand layer 24, a first hot melt adhesive layer 21, a connecting film layer 22 and a second hot melt adhesive layer 23 in sequence from top to bottom, and the second hot melt adhesive layer 23 is adhered to the first waterproof layer 1; wherein the first hot melt adhesive layer 21 is a styrene-isoprene-styrene adhesive layer; the second hot melt adhesive layer 23 is a butyl adhesive layer. The waterproof roll further comprises a release film, wherein the release film is arranged on the bonding surface of the first hot melt adhesive layer 21, as shown in fig. 1, when the first waterproof layer 1 and the second waterproof layer 2 are required to be compounded, the release film (not shown in the figure) is torn, and the first hot melt adhesive layer 21 and the first waterproof layer 1 are bonded to obtain two waterproof rolls.
Wherein the first waterproof layer 1 is a high-density polyethylene layer. The tie film 22 is a cross film.
Specifically, the raw materials used for the styrene-isoprene-styrene adhesive layer comprise the following components in parts by weight: 5 parts of polyisobutylene, 20 parts of styrene-isoprene-styrene, 30 parts of tackifying resin, 1 part of antioxidant and 0.5 part of coupling agent. The butyl rubber used for the butyl rubber layer comprises the following raw materials in parts by weight: 10 parts of polyisobutylene, 20 parts of butyl rubber, 30 parts of tackifying resin, 1 part of antioxidant and 0.5 part of ultraviolet absorber.
The construction process of the two waterproof coiled materials comprises the following steps: the first waterproof layer 1 is paved on the bottom plate and fixed, and then the first hot melt adhesive layer 21 in the second waterproof layer 2 is bonded with the first waterproof layer 1, so that the construction of the waterproof coiled materials with two waterproof layers is completed.
Example 3
A waterproof coiled material with two waterproof layers comprises a first waterproof layer 1 and a second waterproof layer 2; the second waterproof layer 2 is provided with a sand layer 24, a first hot melt adhesive layer 21, a connecting film layer 22 and a second hot melt adhesive layer 23 in sequence from top to bottom, and the second hot melt adhesive layer 23 is adhered to the first waterproof layer 1; wherein the first hot melt adhesive layer 21 is a styrene-isoprene-styrene adhesive layer; the second hot melt adhesive layer 23 is an asphalt modified adhesive layer. The waterproof roll further comprises a release film, wherein the release film is arranged on the bonding surface of the first hot melt adhesive layer 21, as shown in fig. 1, when the first waterproof layer 1 and the second waterproof layer 2 are required to be compounded, the release film (not shown in the figure) is torn, and the first hot melt adhesive layer 21 and the first waterproof layer 1 are bonded to obtain two waterproof rolls.
Wherein the first waterproof layer 1 is a high-density polyethylene layer and/or a crossed film. The tie film layer 22 is a cross film layer and/or a high density polyethylene layer.
Specifically, the raw materials used for the styrene-isoprene-styrene adhesive layer comprise the following components in parts by weight: 10 parts of polyisobutylene, 35 parts of styrene-isoprene-styrene, 50 parts of tackifying resin, 2 parts of antioxidant and 1 part of coupling agent. The asphalt modified glue layer comprises the following raw materials in parts by weight: 70 parts of asphalt, 10 parts of styrene butadiene styrene copolymer, 2 parts of antioxidant and 20 parts of tackifying resin.
The construction process of the two waterproof coiled materials comprises the following steps: the first waterproof layer 1 is paved on the bottom plate and fixed, and then the first hot melt adhesive layer 21 in the second waterproof layer 2 is bonded with the first waterproof layer 1, so that the construction of the waterproof coiled materials with two waterproof layers is completed.
Example 4
A waterproof coiled material with two waterproof layers comprises a first waterproof layer 1 and a second waterproof layer 2; the second waterproof layer 2 is provided with a sand layer 24, a first hot melt adhesive layer 21, a connecting film layer 22 and a second hot melt adhesive layer 23 in sequence from top to bottom, and the second hot melt adhesive layer 23 is adhered to the first waterproof layer 1; wherein the first hot melt adhesive layer 21 is a styrene-isoprene-styrene adhesive layer; the second hot melt adhesive layer 23 is a composite layer of a styrene-isoprene-styrene adhesive layer and a butyl adhesive layer. The waterproof roll further comprises a release film, wherein the release film is arranged on the bonding surface of the first hot melt adhesive layer 21, as shown in fig. 1, when the first waterproof layer 1 and the second waterproof layer 2 are required to be compounded, the release film (not shown in the figure) is torn, and the first hot melt adhesive layer 21 and the first waterproof layer 1 are bonded to obtain two waterproof rolls.
Wherein the first waterproof layer 1 is a high-density polyethylene layer and/or a crossed film. The tie film layer 22 is a cross film layer and/or a high density polyethylene layer.
Specifically, the raw materials for the styrene-isoprene-styrene adhesive layer of the first hot melt adhesive layer 21 include the following components in parts by weight: 7 parts of polyisobutylene, 21 parts of styrene-isoprene-styrene, 33 parts of tackifying resin, 2 parts of antioxidant and 1 part of coupling agent. The raw materials for the styrene-isoprene-styrene adhesive layer of the second hot melt adhesive layer 23 comprise the following components in parts by weight: 5 parts of polyisobutylene, 28 parts of styrene-isoprene-styrene, 47 parts of tackifying resin, 2 parts of antioxidant and 0.7 part of coupling agent. The butyl adhesive used for the butyl adhesive layer of the second hot melt adhesive layer 23 comprises the following raw materials in parts by weight: the material comprises the following raw materials in parts by weight: 30 parts of polyisobutylene, 20 parts of butyl rubber, 30 parts of tackifying resin, 2 parts of antioxidant, 1 part of ultraviolet absorber and 20 parts of filler.
The construction process of the two waterproof coiled materials comprises the following steps: the first waterproof layer 1 is paved on the bottom plate and fixed, and then the first hot melt adhesive layer 21 in the second waterproof layer 2 is bonded with the first waterproof layer 1, so that the construction of the waterproof coiled materials with two waterproof layers is completed.
Example 5
A waterproof coiled material with two waterproof layers comprises a first waterproof layer 1 and a second waterproof layer 2; the second waterproof layer 2 is provided with a sand layer 24, a first hot melt adhesive layer 21, a connecting film layer 22 and a second hot melt adhesive layer 23 in sequence from top to bottom, and the second hot melt adhesive layer 23 is adhered to the first waterproof layer 1; wherein the first hot melt adhesive layer 21 is a styrene-isoprene-styrene adhesive layer; the second hot melt adhesive layer 23 is a composite layer of a styrene-isoprene-styrene adhesive layer, a butyl adhesive layer and an asphalt modified adhesive layer. The waterproof roll further comprises a release film, wherein the release film is arranged on the bonding surface of the first hot melt adhesive layer 21, as shown in fig. 1, when the first waterproof layer 1 and the second waterproof layer 2 are required to be compounded, the release film (not shown in the figure) is torn, and the first hot melt adhesive layer 21 and the first waterproof layer 1 are bonded to obtain two waterproof rolls.
Wherein the first waterproof layer 1 is a high-density polyethylene layer and/or a crossed film. The tie film layer 22 is a cross film layer and/or a high density polyethylene layer.
Specifically, the raw materials for the styrene-isoprene-styrene adhesive layer of the first hot melt adhesive layer 21 include the following components in parts by weight: 8 parts of polyisobutene, 37 parts of styrene-isoprene-styrene, 45 parts of tackifying resin, 2 parts of antioxidant and 0.7 part of coupling agent. The raw materials for the styrene-isoprene-styrene adhesive layer of the second hot melt adhesive layer 23 comprise the following components in parts by weight: 9 parts of polyisobutene, 33 parts of styrene-isoprene-styrene, 31 parts of tackifying resin, 1 part of antioxidant and 0.6 part of coupling agent. The butyl adhesive used for the butyl adhesive layer of the second hot melt adhesive layer 23 comprises the following raw materials in parts by weight: the material comprises the following raw materials in parts by weight: 25 parts of polyisobutylene, 17 parts of butyl rubber, 26 parts of tackifying resin, 2 parts of antioxidant, 1 part of ultraviolet absorber and 25 parts of filler. The asphalt modified glue used for the asphalt modified glue layer of the second hot melt glue layer 23 comprises the following raw materials in parts by weight: 60 parts of asphalt, 5 parts of styrene butadiene styrene copolymer, 1 part of antioxidant and 10 parts of tackifying resin.
The construction process of the two waterproof coiled materials comprises the following steps: the first waterproof layer 1 is paved on the bottom plate and fixed, and then the first hot melt adhesive layer 21 in the second waterproof layer 2 is bonded with the first waterproof layer 1, so that the construction of the waterproof coiled materials with two waterproof layers is completed.
The formulation of the raw materials used for the first hot melt adhesive layer 21 and the second hot melt adhesive layer 23 in combination with the formulation of each of the layers of examples 1 to 5 is specifically shown in table 1.
Table 1 the composition formulations of the first and second hot melt adhesive layers 21 and 23 of examples 1 to 5
Comparative example 1
Comparative example 1 differs from example 1 in that: the second waterproof layer 2 was not present in comparative example 1.
Comparative example 2
Comparative example 2 is different from example 1 in that: the first hot melt adhesive layer 21 was not present in the second waterproof layer 2 of comparative example 2.
Performance testing
The coils of examples 1 to 4 and comparative examples 1 to 2 were subjected to hardness, tensile strength test, water channeling resistance test and water resistance test, respectively, and specific data are shown in table 1.
As can be seen from Table 1, in comparative example 1, only one waterproof layer was used, the water channeling resistance and water resistance were significantly lower than those of examples 1 to 5, in comparative example 2, the second waterproof layer 22 was free of the second hot melt adhesive layer 23, and in comparative example 2, only the first hot melt adhesive layer 21 and the tie film layer 22 were used, and the water resistance was significantly lowered due to the absence of the second hot melt adhesive layer 23, the tackiness of the first hot melt adhesive layer 21 was lowered, and the sealability of the waterproof roll was also affected, so that the water channeling resistance was also lowered.
The waterproof rolls of embodiments 1 to 5 are provided with the connection film layer 22 and the second hot-melt adhesive layer 23 between the first hot-melt adhesive layer 21 and the first waterproof layer 1, so that the bonding performance is effectively improved, the second hot-melt adhesive layer 23 and the first waterproof layer 11 are self-bonded, the problems of arching, edge tilting and the like are avoided, and moreover, the small molecular materials in the first hot-melt adhesive layer 21 are not easy to volatilize or migrate at high temperature due to the sealing of the connection film layer 22 and the second hot-melt adhesive layer 23, the viscosity between the first waterproof layer 1 and the second waterproof layer 2 can be kept, the channeling resistance is improved, and the waterproof requirements of indoor and outdoor buildings can be effectively met.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims (10)

1. The waterproof coiled material is characterized by comprising a first waterproof layer and a second waterproof layer; the second waterproof layer is sequentially provided with a sand layer, a first hot melt adhesive layer, a connecting film layer and a second hot melt adhesive layer from top to bottom, and the second hot melt adhesive layer is adhered to the first waterproof layer; wherein the first hot melt adhesive layer is a styrene-isoprene-styrene adhesive layer; the second hot melt adhesive layer is one or more than two composite layers of a styrene-isoprene-styrene adhesive layer, a butyl adhesive layer and an asphalt modified adhesive layer.
2. The two-ply waterproof roll as claimed in claim 1, wherein the first waterproof layer is a high-density polyethylene layer and/or a cross-over film.
3. The two-pass waterproof roll as claimed in claim 1, wherein the raw materials for the styrene-isoprene-styrene adhesive layer comprise the following components in parts by weight: 5 to 10 parts of polyisobutylene, 20 to 35 parts of styrene-isoprene-styrene, 30 to 50 parts of tackifying resin, 1 to 2 parts of antioxidant and 0.5 to 1 part of coupling agent.
4. A two-ply waterproof roll as claimed in claim 1 or 3, wherein the first and second hot melt adhesive layers are both styrene-isoprene-styrene layers.
5. The two-ply waterproof roll as claimed in claim 1, wherein the tie film layer is a cross film layer and/or a high density polyethylene layer.
6. The two-pass waterproof roll as claimed in claim 1, wherein the butyl rubber used for the butyl rubber layer comprises the following raw materials in parts by weight: 10-30 parts of polyisobutylene, 20-35 parts of butyl rubber, 30-50 parts of tackifying resin, 1-2 parts of antioxidant and 0.5-1 part of ultraviolet absorber.
7. The two-pass waterproof roll as claimed in claim 1, wherein the butyl rubber used for the butyl rubber layer comprises the following raw materials in parts by weight: the material comprises the following raw materials in parts by weight: 10-30 parts of polyisobutylene, 10-20 parts of butyl rubber, 20-30 parts of tackifying resin, 1-2 parts of antioxidant, 0.5-1 part of ultraviolet absorber and 20-30 parts of filler.
8. The two-pass waterproof roll as claimed in claim 1, wherein the asphalt-modified glue used for the asphalt-modified glue layer comprises the following raw materials in parts by weight: 60-70 parts of asphalt, 5-10 parts of styrene butadiene styrene copolymer, 1-2 parts of antioxidant and 10-20 parts of tackifying resin.
9. The two-pass waterproof roll as claimed in claim 1, further comprising a release film; the release film is arranged on the bonding surface of the first hot melt adhesive layer.
10. The construction process of the two waterproof coiled materials according to claims 1 to 9, which is characterized by comprising the following steps: and paving the first waterproof layer on the bottom plate and fixing, and then bonding the first hot melt adhesive layer in the second waterproof layer with the first waterproof layer to finish the construction of the waterproof coiled materials of the two waterproof layers.
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