CN113635631A - Preparation method and construction method of TSR polyethylene tire pre-paved reinforced waterproof roll - Google Patents

Preparation method and construction method of TSR polyethylene tire pre-paved reinforced waterproof roll Download PDF

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Publication number
CN113635631A
CN113635631A CN202110821166.XA CN202110821166A CN113635631A CN 113635631 A CN113635631 A CN 113635631A CN 202110821166 A CN202110821166 A CN 202110821166A CN 113635631 A CN113635631 A CN 113635631A
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China
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paved
tsr
weight
polyethylene
preparation
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Inventor
郑宪明
杭淑华
金岩
苑冰
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Liaoning Dayu Waterproof Technology Development Co ltd
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Liaoning Dayu Waterproof Technology Development Co ltd
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Priority to CN202110821166.XA priority Critical patent/CN113635631A/en
Publication of CN113635631A publication Critical patent/CN113635631A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/18—Layered products comprising a layer of natural or synthetic rubber comprising butyl or halobutyl rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/047—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of particles
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber 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
    • 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
    • B32B5/16—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 formed of particles, e.g. chips, powder or granules
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
    • 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
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • 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
    • B32B2307/71—Resistive to light or to UV
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention discloses a preparation method and a construction method of a TSR polyethylene tire pre-paved enhanced waterproof coiled material, which relate to the technical field of underground engineering waterproofing and comprise the following steps: respectively melting the modified glue layer B and the isolating film, and co-extruding to obtain a multilayer material a; co-extruding the multilayer material a and a polyethylene base to obtain a multilayer material b; respectively melting the multilayer material b and the modified adhesive layer A, and co-extruding to obtain a multilayer material c; before cooling, laying composite ultraviolet-resistant sand on one side of the modified glue layer A of the multilayer material c. According to the TSR polyethylene tire pre-paved reinforced waterproof coiled material prepared by the method, the construction method of ultraviolet-resistant fine sand on the upper surface is tightly combined with post-poured concrete, so that a sealing bonding interface without water channeling is formed, and the risk of water channeling and leakage of a waterproof layer of an underground engineering is avoided. The lap joint edge is constructed by a hot melting method, the asphalt glue layer and the asphalt glue layer are firmly bonded, and the continuity and the integrity of the waterproof layer are ensured. The construction method is simple, and saves a large amount of construction period compared with the traditional method.

Description

Preparation method and construction method of TSR polyethylene tire pre-paved reinforced waterproof roll
Technical Field
The invention relates to the technical field of underground engineering waterproofing, in particular to a preparation method and a construction method of a TSR polyethylene tire pre-paved reinforced waterproof coiled material.
Background
In the waterproof field of underground engineering, the development of coiled material waterproofing is from the fact that a common coiled material cannot form adhesive sealing with structural concrete to the fact that the conventional pre-paved coiled material can form a sealed adhesive interface without water channeling with structural post-poured concrete.
However, the coil adopted at present has the problems that the coil cannot form an adhesive sealing coil with structural concrete, and the like, such as the underground engineering method of the SBS modified asphalt waterproof coil, basement concrete cushion construction → waterproof layer air laying construction → concrete waterproof protective layer → structural concrete. The waterproof layer can not be directly sealed and bonded with the structural layer. The waterproof mechanism is characterized in that the waterproof safety performance of the coiled material is ensured by the continuity and the integrity of a waterproof layer of the coiled material. When the waterproof layer has any defect or damaged, groundwater can pass through such defect or damaged point under hydraulic effect, appears the large tracts of land scurrying the water phenomenon and takes place between waterproof layer and structure, when the inside scurrying water of waterproof layer meets the structure crack, inside water will permeate the structure along the building structure crack, causes the engineering to take place the seepage.
Disclosure of Invention
In order to solve the problems of the existing waterproof coiled material, the invention provides a preparation method of a novel polyethylene tire pre-paved reinforced waterproof coiled material, which is optimized by a modified adhesive layer, a novel designed layered structure and a preparation method thereof, and the specific scheme is as follows:
a preparation method of a TSR polyethylene tire pre-paved reinforced waterproof roll comprises the following steps:
s1, respectively melting the modified glue layer B and the isolating film, and co-extruding to obtain a multilayer material a;
s2, co-extruding the multilayer material a and the polyethylene base to obtain a multilayer material b;
s3, respectively melting the multilayer material b and the modified glue layer A, and co-extruding to obtain a multilayer material c;
and S4, before cooling, paving the composite ultraviolet-resistant sand on one side of the modified glue layer A of the multilayer material c.
Preferably, the isolation film of S1 includes an isolation film made of PE.
Preferably, the preparation method of the modified glue layer B of S1 includes:
(a) mixing the raw rubber with linear tackifying resin accounting for 50-60% of the weight of the formula and active filler accounting for the weight of the formula;
(b) and after cooling, continuously carrying out banburying with the linear tackifying resin containing the terminal hydroxyl structure, the cross-linking agent and the reaction active auxiliary agent in the rest formula weight, and forming to obtain the butyl rubber reaction adhesive layer.
Preferably, the formulation comprises: 100 parts of raw rubber, 9.5-15.5 parts of linear tackifying resin containing a terminal hydroxyl structure and 12.5-19.5 parts of active filler; the active filler comprises active silica and active alumina.
Preferably, the novolac resin is one or more of rosin-modified novolac resin, polyamide-modified novolac resin, epoxy-modified novolac resin, silicone-modified novolac resin, or furan-modified novolac resin.
Preferably, the active filler comprises bauxite, soda ash, quicklime, fly ash and calcined kaolin; wherein, the total weight of the bauxite, the soda ash, the quicklime and the fly ash accounts for 65-75% of the weight of the active filler, and the weight of the calcined kaolin accounts for 20-34% of the weight of the active filler.
Preferably, the cross-linking agent comprises one or more of sulfur, p-benzoquinone dioxime or zinc oxide;
preferably, the reaction co-agent comprises one or more of a carboxylate, a benzenesulfonate, a lignosulfonate or a citrate.
Preferably, the raw rubber is preprocessed before the raw materials are mixed and banburied, and the raw rubber is mixed and processed for 5-8min under the conditions that the temperature is 100-120 ℃ and the rotating speed is 5-80 r/min.
Preferably, the processing and banburying mixing are carried out in a banbury mixer, and after banburying, the sheet is discharged, and when the sheet is discharged, and extruded and formed on a rubber extruder.
Preferably, the processing temperature in the step (a) is 100-120 ℃, the processing time is 5-8min, and the banburying time is 8-10 min.
Preferably, the temperature in the step (b) is 60-80 ℃ after cooling, and the banburying time is 4-5 min.
Preferably, the polyethylene base of S2 includes a nano polyethylene base or a high density polyethylene base.
Preferably, the preparation method of the modified glue layer a of S3 includes:
a) mixing the raw rubber with linear tackifying resin accounting for 50-60% of the weight of the formula and active filler accounting for the weight of the formula;
b) and after cooling, continuously carrying out banburying with the linear tackifying resin containing the terminal hydroxyl structure, the cross-linking agent and the reaction active auxiliary agent in the rest formula weight, and forming to obtain the butyl rubber reaction adhesive layer.
Preferably, the formulation comprises: 100 parts of raw rubber, 9.5-15.5 parts of linear tackifying resin containing a terminal hydroxyl structure and 12.5-19.5 parts of active filler, and the adhesive further comprises the following components: 1-5.5 parts by weight of terpene resin and 5-10 parts by weight of petroleum resin; the active filler comprises active silica and active alumina.
Preferably, the novolac resin is one or more of rosin-modified novolac resin, polyamide-modified novolac resin, epoxy-modified novolac resin, silicone-modified novolac resin, or furan-modified novolac resin.
Preferably, the active filler comprises bauxite, soda ash, quicklime, fly ash and calcined kaolin; wherein, the total weight of the bauxite, the soda ash, the quicklime and the fly ash accounts for 65-75% of the weight of the active filler, and the weight of the calcined kaolin accounts for 20-34% of the weight of the active filler.
Preferably, the cross-linking agent comprises one or more of sulfur, p-benzoquinone dioxime or zinc oxide;
preferably, the reaction co-agent comprises one or more of a carboxylate, a benzenesulfonate, a lignosulfonate or a citrate.
Preferably, the raw rubber is preprocessed before the raw materials are mixed and banburied, and the raw rubber is mixed and processed for 5-8min under the conditions that the temperature is 100-120 ℃ and the rotating speed is 5-80 r/min.
Preferably, the processing and banburying mixing are carried out in a banbury mixer, and after banburying, the sheet is discharged, and when the sheet is discharged, and extruded and formed on a rubber extruder.
Preferably, the processing temperature in the step a) is 100-120 ℃, the processing time is 5-8min, and the banburying time is 8-10 min.
Preferably, the temperature after the temperature reduction in the step b) is 60-80 ℃, and the banburying time is 4-5 min.
Preferably, the composite ultraviolet-resistant sand of S4 comprises 2-9 parts by weight of aluminum silicate cotton, 4-7 parts by weight of glass cotton and 15-50 parts by weight of natural colored sand powder.
Preferably, the particle size of the natural colored sand powder is 0.01-1 mm.
Preferably, the melting is carried out through a double-screw extruder, and the co-extrusion is carried out through a co-extrusion die head after the melting.
Preferably, the temperature of the feeding section of the double-screw extruder is 20-35 ℃, the temperature of the melting section is 130-190 ℃, the temperature of the metering section is 190-195 ℃, and the feeding speed is 55-80 rpm; the temperature of a co-extrusion die head for co-extrusion after melting is 190-200 ℃.
Preferably, the TSR polyethylene tire pre-paved reinforced waterproof roll prepared by the method sequentially comprises an ultraviolet-resistant sand layer, a modified glue layer A, a polyethylene tire base, a modified glue layer B and an isolating film from top to bottom.
Preferably, the thickness of the ultraviolet-resistant sand layer in the TSR polyethylene tire pre-paved reinforced waterproof roll is 1.0-1.5 mm.
Preferably, the thickness of the modified glue layer A in the TSR polyethylene tire pre-paved reinforced waterproof roll is 0.3-0.7 mm.
Preferably, the thickness of the polyethylene base in the TSR polyethylene tyre pre-paved reinforced waterproof coiled material obtained by the method is 0.6-1.2 mm.
Preferably, the thickness of the modified glue layer B in the TSR polyethylene tire pre-paved reinforced waterproof roll is 0.6-1.0 mm.
Preferably, the thickness of the isolating film in the TSR polyethylene tire pre-paved reinforced waterproof roll obtained by the method is 0.01-0.1 mm.
The invention also provides a construction method of the TSR polyethylene tire pre-paved reinforced waterproof coiled material prepared by the method, which comprises the following steps: after the surface layer is treated, a layer of waterproof concrete is paved on the surface layer, the prepared TSR polyethylene tire is directly paved on the surface of the waterproof concrete, the reinforced waterproof coiled material is paved in advance, the ultraviolet-resistant sand layer faces upwards, and after a layer of concrete cushion layer is paved on the surface of the waterproof coiled material, plain soil is tamped.
Preferably, the thickness of the TSR polyethylene tire pre-paved reinforced waterproof roll is 2.5-10mm, and the number of layers is 1-2; the thickness of the concrete cushion layer is 100-150 mm.
Advantageous effects
The invention has the beneficial effects that:
according to the TSR polyethylene tire pre-paved reinforced waterproof coiled material prepared by the method, the construction method of ultraviolet-resistant fine sand on the upper surface is tightly combined with post-poured concrete, so that a sealing bonding interface without water channeling is formed, and the risk of water channeling and leakage of a waterproof layer of an underground engineering is avoided. The lap joint edge is constructed by a hot melting method, the asphalt glue layer and the asphalt glue layer are firmly bonded, and the continuity and the integrity of the waterproof layer are ensured.
The construction method is simple, and saves a large amount of construction period compared with the traditional method.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
The following examples and comparative examples are parallel runs, with the same processing steps and parameters, unless otherwise indicated.
Preparation example 1 a method for preparing a modified adhesive layer B includes:
(a) mixing raw rubber, linear tackifying resin accounting for 50% of the weight of the formula and active filler according to the weight of the formula;
(b) and after cooling, continuously carrying out banburying with the linear tackifying resin containing the terminal hydroxyl structure, the cross-linking agent and the reaction active auxiliary agent in the rest formula weight, and forming to obtain the butyl rubber reaction adhesive layer.
The formula comprises the following components: 100 parts of raw rubber, 9.5 parts of linear tackifying resin containing a terminal hydroxyl structure and 12.5 parts of active filler; the active filler comprises active silicon dioxide and active aluminum oxide, and the mass ratio of the active silicon dioxide to the active aluminum oxide is 1: 1.
The linear phenolic resin is rosin modified linear phenolic resin.
The active filler comprises bauxite, soda ash, quicklime, fly ash and calcined kaolin; wherein the total weight of the bauxite, the soda ash, the quicklime and the fly ash accounts for 65 percent of the weight of the active filler, and the weight of the calcined kaolin accounts for 20 percent of the weight of the active filler.
The cross-linking agent comprises zinc oxide;
the reactive co-agent comprises a citrate salt.
The raw rubber is preprocessed before the raw materials are mixed and banburied, and the raw rubber is mixed and processed for 5min under the conditions of the temperature of 100 ℃ and the rotating speed of 40 r/min.
The processing and banburying mixing are carried out in a banbury mixer, the discharge and blanking are carried out after banburying, the discharge and blanking are carried out in an open mill, and the extrusion molding is carried out on a rubber extruder.
In the step (a), the processing temperature is 100 ℃, the processing time is 5min, and the banburying time is 8 min.
And (b) cooling, wherein the temperature is 60 ℃, and the banburying time is 4 min.
Preparation example 2 the preparation method of the modified glue layer a comprises:
a) mixing raw rubber, linear tackifying resin accounting for 50% of the weight of the formula and active filler according to the weight of the formula;
b) and after cooling, continuously carrying out banburying with the linear tackifying resin containing the terminal hydroxyl structure, the cross-linking agent and the reaction active auxiliary agent in the rest formula weight, and forming to obtain the butyl rubber reaction adhesive layer.
The formula comprises the following components: 100 parts of raw rubber, 9.5-15.5 parts of linear tackifying resin containing a terminal hydroxyl structure and 12.5 parts of active filler, and the adhesive further comprises: 3.5 parts by weight of a terpene resin and 7 parts by weight of a petroleum resin; the active filler comprises active silicon dioxide and active aluminum oxide, and the mass ratio of the active silicon dioxide to the active aluminum oxide is 1: 1.
The linear phenolic resin is rosin modified linear phenolic resin.
The active filler comprises bauxite, soda ash, quicklime, fly ash and calcined kaolin; wherein the total weight of the bauxite, the soda ash, the quicklime and the fly ash accounts for 65 percent of the weight of the active filler, and the weight of the calcined kaolin accounts for 20 percent of the weight of the active filler.
The cross-linking agent comprises zinc oxide;
the reactive co-agent comprises a citrate salt.
The raw rubber is preprocessed before the raw materials are mixed and banburied, and the raw rubber is mixed and processed for 8min under the conditions of 120 ℃ and 80r/min of rotating speed.
The processing and banburying mixing are carried out in a banbury mixer, the discharge and blanking are carried out after banburying, the discharge and blanking are carried out in an open mill, and the extrusion molding is carried out on a rubber extruder.
In the step a), the processing temperature is 120 ℃, the processing time is 8min, and the banburying time is 10 min.
The temperature after cooling in the step b) is 80 ℃, and the banburying time is 5 min.
Embodiment 1 a method for preparing a TSR polyethylene tire pre-paved reinforced waterproof roll, comprising the steps of:
s1, respectively melting the modified glue layer B and the isolating film, and co-extruding to obtain a multilayer material a;
s2, co-extruding the multilayer material a and the polyethylene base to obtain a multilayer material b;
s3, respectively melting the multilayer material b and the modified glue layer A, and co-extruding to obtain a multilayer material c;
and S4, before cooling, paving the composite ultraviolet-resistant sand on one side of the modified glue layer A of the multilayer material c.
S1 the isolation film comprises PE isolation film.
S2 the polyethylene base comprises a nano polyethylene base or a high-density polyethylene base.
And the melting is carried out through a double-screw extruder, and the melted mixture is co-extruded through a co-extrusion die head for composite extrusion.
The temperature of a feeding section of the double-screw extruder is 20 ℃, the temperature of a melting section is 130 ℃, the temperature of a metering section is 190 ℃, and the feeding speed is 55 rpm; the temperature of a co-extrusion die head for co-extrusion after melting is 190 ℃.
The TSR polyethylene tire pre-paved enhanced waterproof roll prepared by the method sequentially comprises an ultraviolet-resistant sand layer, a modified adhesive layer A, a polyethylene tire base, a modified adhesive layer B and an isolating film from top to bottom.
The thickness of the ultraviolet-resistant sand layer in the TSR polyethylene tire pre-paved reinforced waterproof roll is 1.0 mm.
The thickness of the modified glue layer A in the TSR polyethylene tire pre-paved reinforced waterproof roll is 0.3 mm.
The thickness of the polyethylene base in the TSR polyethylene base pre-paved reinforced waterproof coiled material is 0.6 mm.
The thickness of the modified glue layer B in the TSR polyethylene tire pre-paved reinforced waterproof roll is 0.6 mm.
The thickness of the isolation film in the TSR polyethylene tire pre-paved reinforced waterproof roll is 0.01 mm.
Embodiment 2 a method for preparing a TSR polyethylene tire pre-paved reinforced waterproof roll, comprising the steps of:
s1, respectively melting the modified glue layer B and the isolating film, and co-extruding to obtain a multilayer material a;
s2, co-extruding the multilayer material a and the polyethylene base to obtain a multilayer material b;
s3, respectively melting the multilayer material b and the modified glue layer A, and co-extruding to obtain a multilayer material c;
and S4, before cooling, paving the composite ultraviolet-resistant sand on one side of the modified glue layer A of the multilayer material c.
S1 the isolation film comprises PE isolation film.
S2 the polyethylene base comprises a nano polyethylene base or a high-density polyethylene base.
And the melting is carried out through a double-screw extruder, and the melted mixture is co-extruded through a co-extrusion die head for composite extrusion.
The temperature of a feeding section of the double-screw extruder is 35 ℃, the temperature of a melting section is 190 ℃, the temperature of a metering section is 195 ℃, and the feeding speed is 80 rpm; the temperature of a co-extrusion die head for co-extrusion after melting is 200 ℃.
The TSR polyethylene tire pre-paved enhanced waterproof roll prepared by the method sequentially comprises an ultraviolet-resistant sand layer, a modified adhesive layer A, a polyethylene tire base, a modified adhesive layer B and an isolating film from top to bottom.
The thickness of the ultraviolet-resistant sand layer in the TSR polyethylene tire pre-paved reinforced waterproof roll is 1.5 mm.
The thickness of the modified glue layer A in the TSR polyethylene tire pre-paved reinforced waterproof roll is 0.7 mm.
The thickness of the polyethylene base in the TSR polyethylene base pre-paved reinforced waterproof coiled material is 1.2 mm.
The thickness of the modified glue layer B in the TSR polyethylene tire pre-paved reinforced waterproof roll is 1.0 mm.
The thickness of the isolation film in the TSR polyethylene tire pre-paved reinforced waterproof roll is 0.1 mm.
Embodiment 3 a method for preparing a TSR polyethylene tire pre-paved reinforced waterproof roll, comprising the steps of:
s1, respectively melting the modified glue layer B and the isolating film, and co-extruding to obtain a multilayer material a;
s2, co-extruding the multilayer material a and the polyethylene base to obtain a multilayer material b;
s3, respectively melting the multilayer material b and the modified glue layer A, and co-extruding to obtain a multilayer material c;
and S4, before cooling, paving the composite ultraviolet-resistant sand on one side of the modified glue layer A of the multilayer material c.
S1 the isolation film comprises PE isolation film.
S2 the polyethylene base comprises a nano polyethylene base or a high-density polyethylene base.
And the melting is carried out through a double-screw extruder, and the melted mixture is co-extruded through a co-extrusion die head for composite extrusion.
The temperature of a feeding section of the double-screw extruder is 25 ℃, the temperature of a melting section is 160 ℃, the temperature of a metering section is 190 ℃, and the feeding speed is 60 rpm; the temperature of a co-extrusion die head for co-extrusion after melting is 195 ℃.
The TSR polyethylene tire pre-paved enhanced waterproof roll prepared by the method sequentially comprises an ultraviolet-resistant sand layer, a modified adhesive layer A, a polyethylene tire base, a modified adhesive layer B and an isolating film from top to bottom.
The thickness of the ultraviolet-resistant sand layer in the TSR polyethylene tire pre-paved reinforced waterproof roll is 1.3 mm.
The thickness of the modified glue layer A in the TSR polyethylene tire pre-paved reinforced waterproof roll is 0.5 mm.
The thickness of the polyethylene base in the TSR polyethylene base pre-paved reinforced waterproof coiled material is 0.9 mm.
The thickness of the modified glue layer B in the TSR polyethylene tire pre-paved reinforced waterproof roll is 0.8 mm.
The thickness of the isolation film in the TSR polyethylene tire pre-paved reinforced waterproof roll is 0.05 mm.
Construction: construction tests of the TSR polyethylene tire pre-applied reinforced waterproofing membrane prepared in examples 1 to 3 above: for 10m2After the surface course is treated, a layer of waterproof concrete is paved on the surface of the surface course, the TSR polyethylene tire pre-paved enhanced waterproof coiled material prepared in the embodiments 1, 2 and 3 is directly paved on the surface of the waterproof concrete, the ultraviolet-resistant sand layer faces upwards, and after a concrete cushion layer is paved on the surface of the waterproof coiled material, plain soil is tamped.
The number of layers of the TSR polyethylene tire pre-paved enhanced waterproof coiled material is respectively tested for 1-2 layers in each group of samples; the thickness of the concrete pad is 100 mm.
The construction method is simple, saves a large amount of construction period compared with the traditional method, and saves time by about one half of the original construction time.
Effect verification: simulating a natural continuous precipitation process on the prepared waterproof surface, wherein the precipitation is carried out for 10h every day for 60 days, and the waterproof effect is observed during and after the process: and no water channeling and water leakage phenomenon occurs. According to the TSR polyethylene tire pre-paved reinforced waterproof coiled material prepared by the method, the construction method of ultraviolet-resistant fine sand on the upper surface is tightly combined with post-poured concrete, so that a sealing bonding interface without water channeling is formed, and the risk of water channeling and leakage of a waterproof layer of an underground engineering is avoided. The modified glue layer is used, so that the layers are firmly bonded, and the continuity and integrity of the waterproof layer are ensured.
While the preferred embodiments and examples of the present invention have been described in detail, the present invention is not limited to the embodiments and examples, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A preparation method of a TSR polyethylene tire pre-paved enhanced waterproof roll is characterized by comprising the following steps: the method comprises the following steps:
s1, respectively melting the modified glue layer B and the isolating film, and co-extruding to obtain a multilayer material a;
s2, co-extruding the multilayer material a and the polyethylene base to obtain a multilayer material b;
s3, respectively melting the multilayer material b and the modified glue layer A, and co-extruding to obtain a multilayer material c;
and S4, before cooling, paving the composite ultraviolet-resistant sand on one side of the modified glue layer A of the multilayer material c.
2. The preparation method of the TSR polyethylene tire pre-paved reinforced waterproof roll according to claim 1, which is characterized in that: s1 the preparation method of the modified glue line B comprises the following steps:
(a) mixing the raw rubber with linear tackifying resin accounting for 50-60% of the weight of the formula and active filler accounting for the weight of the formula;
(b) after cooling, the mixture is continuously mixed with the linear tackifying resin containing the terminal hydroxyl structure, the cross-linking agent and the reaction active auxiliary agent in the rest formula weight for internal mixing and molding to obtain the butyl rubber reaction adhesive layer
The formula comprises the following components: 100 parts of raw rubber, 9.5-15.5 parts of linear tackifying resin containing a terminal hydroxyl structure and 12.5-19.5 parts of active filler; the active filler comprises active silica and active alumina.
3. The preparation method of the TSR polyethylene tire pre-paved reinforced waterproof roll according to claim 2, which is characterized in that: the linear phenolic resin is one or more of rosin modified linear phenolic resin, polyamide modified linear phenolic resin, epoxy modified linear phenolic resin, organosilicon modified linear phenolic resin or furan modified linear phenolic resin.
4. The preparation method of the TSR polyethylene tire pre-paved reinforced waterproof roll according to claim 2, which is characterized in that: the active filler comprises bauxite, soda ash, quicklime, fly ash and calcined kaolin; wherein, the total weight of the bauxite, the soda ash, the quicklime and the fly ash accounts for 65-75% of the weight of the active filler, and the weight of the calcined kaolin accounts for 20-34% of the weight of the active filler.
5. The preparation method of the TSR polyethylene tire pre-paved reinforced waterproof roll according to claim 2, which is characterized in that: the cross-linking agent comprises one or more of sulfur, p-benzoquinone dioxime or zinc oxide; the reaction promoter comprises one or more than two of carboxylate, benzene sulfonate, lignosulfonate and citrate.
6. The preparation method of the TSR polyethylene tire pre-paved reinforced waterproof roll according to claim 2, which is characterized in that: the raw rubber is preprocessed before the raw materials are mixed and banburied, and the raw rubber is mixed and processed for 5-8min under the conditions that the temperature is 100-.
7. The preparation method of the TSR polyethylene tire pre-paved reinforced waterproof roll according to claim 2, which is characterized in that: the processing temperature in the step (a) is 100-; and (b) cooling, wherein the temperature is 60-80 ℃, and the banburying time is 4-5 min.
8. The preparation method of the TSR polyethylene tire pre-paved reinforced waterproof roll according to claim 1, which is characterized in that: s2 the polyethylene base comprises a nano polyethylene base or a high-density polyethylene base.
9. The preparation method of the TSR polyethylene tire pre-paved reinforced waterproof roll according to claim 1, which is characterized in that: s3 the preparation method of the modified glue line A comprises the following steps:
a) mixing the raw rubber with linear tackifying resin accounting for 50-60% of the weight of the formula and active filler accounting for the weight of the formula;
b) after cooling, continuously carrying out banburying with the linear tackifying resin containing the terminal hydroxyl structure, the cross-linking agent and the reaction active auxiliary agent in the rest formula weight, and forming to obtain a butyl rubber reaction adhesive layer;
the formula comprises the following components: 100 parts of raw rubber, 9.5-15.5 parts of linear tackifying resin containing a terminal hydroxyl structure and 12.5-19.5 parts of active filler, and the adhesive further comprises the following components: 1-5.5 parts by weight of terpene resin and 5-10 parts by weight of petroleum resin; the active filler comprises active silica and active alumina.
10. The preparation method of the TSR polyethylene tire pre-paved reinforced waterproof roll according to claim 1, which is characterized in that: (ii) a S4, the composite ultraviolet-resistant sand comprises 2-9 parts by weight of aluminum silicate cotton, 4-7 parts by weight of glass cotton and 15-50 parts by weight of natural colored sand powder; the particle size of the natural colored sand powder is 0.01-1 mm.
CN202110821166.XA 2021-07-20 2021-07-20 Preparation method and construction method of TSR polyethylene tire pre-paved reinforced waterproof roll Pending CN113635631A (en)

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CN110315810A (en) * 2019-06-20 2019-10-11 江苏凯伦建材股份有限公司 Cross-level press mold overlays waterproof roll
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CN103692719A (en) * 2014-01-20 2014-04-02 辽宁大禹防水科技发展有限公司 Composite pre-laid waterproof coiled material
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