CN211172744U - Composite roof waterproof coiled material - Google Patents
Composite roof waterproof coiled material Download PDFInfo
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- CN211172744U CN211172744U CN201921137149.9U CN201921137149U CN211172744U CN 211172744 U CN211172744 U CN 211172744U CN 201921137149 U CN201921137149 U CN 201921137149U CN 211172744 U CN211172744 U CN 211172744U
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Abstract
The utility model relates to the field of waterproof coiled materials, and discloses a composite roof waterproof coiled material, which comprises a high polymer substrate layer and a self-adhesive layer, wherein the self-adhesive layer comprises a heat-resistant butyl glue layer and a high-viscosity butyl glue layer; wherein the thickness of the heat-resistant butyl adhesive layer is 100-200 μm, and the thickness of the high-viscosity butyl adhesive layer is 300-400 μm. The composite roof waterproof coiled material can reduce cost, has excellent heat resistance, aging resistance, initial bonding performance, peel strength and permanent adhesion, and can be applied to the environment of-5-100 ℃. The thickness of the heat-resistant butyl adhesive layer is set to be 100-200 mu m, and the thickness of the high-viscosity butyl adhesive layer is set to be 300-400 mu m, so that the high-viscosity butyl adhesive layer has excellent adhesive property, and the total cost is reduced by 25-45%.
Description
Technical Field
The utility model relates to a waterproofing membrane field especially relates to a compound roofing waterproofing membrane.
Background
The application field of the polymer waterproof coiled material is more and more extensive since the release of GB 50108-2008 & lt 2008 & gt technical specification for underground engineering waterproofing and GB/T23260-2009 & lt 2009 & gt waterproof coiled material with self-adhesive layer. The polymer waterproof roll comprises a polymer base material layer and a self-adhesive layer. The general self-adhesive layer mainly uses SIS thermoplastic styrene-butadiene rubber (styrene-isoprene-styrene block copolymer) as a base material, and is assisted by various additives to meet various performance requirements, and although the peel strength of the self-adhesive layer is high, the self-adhesive layer has high cost, poor heat resistance and poor aging resistance. Or the butyl rubber is used as a base material, but the butyl rubber has small cohesive force, poor heat resistance, poor aging resistance, poor initial adhesion and small peeling strength, and cannot achieve good waterproof effect.
The existing self-adhesive layer is a single-layer structure formed by coating the same adhesive on a polymer substrate layer. However, the bonding performance and the heat resistance of the existing adhesive cannot be obtained at the same time, and if the bonding performance of the adhesive layer is stronger, the heat resistance is weaker; if the heat resistance is stronger, the adhesive property of the adhesive layer is weaker; therefore, the adhesive layer of the existing single-layer structure cannot have excellent adhesive property and heat resistance, has a small application range, and cannot be applied to a high-temperature environment to achieve a good waterproof effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcomings in the prior art, providing a composite roof waterproof coiled material which can reduce the cost, has excellent heat resistance, aging resistance, initial bonding performance, peeling strength and viscosity and can be applied to the environment of-5 ℃ -100 ℃.
The purpose of the utility model is realized through the following technical scheme:
a composite roofing waterproofing membrane comprising:
a polymer substrate layer; and
the self-adhesive layer comprises a heat-resistant butyl adhesive layer and a high-viscosity butyl adhesive layer, the heat-resistant butyl adhesive layer is coated on one side face of the high polymer base material layer, and the high-viscosity butyl adhesive layer is coated on one side face, far away from the high polymer base material layer, of the heat-resistant butyl adhesive layer;
wherein the thickness of the heat-resistant butyl adhesive layer is 100-200 μm, and the thickness of the high-viscosity butyl adhesive layer is 300-400 μm.
In one embodiment, the polymer substrate layer comprises a TPO layer and an aluminum foil layer, the aluminum foil layer is electroplated on one side of the TPO layer, and the TPO layer is attached to one side of the heat-resistant butyl adhesive layer away from the high-viscosity butyl adhesive layer.
In one embodiment, the polymer substrate layer includes a PVC layer and an aluminum foil layer, the aluminum foil layer is electroplated on a side of the PVC layer, and the PVC layer is attached to a side of the heat-resistant butyl adhesive layer away from the high-viscosity butyl adhesive layer.
In one embodiment, the polymer substrate layer includes an HDPE layer and an aluminum foil layer, the aluminum foil layer is plated on a side of the HDPE layer, and the HDPE layer is attached to a side of the heat-resistant butyl adhesive layer away from the high-viscosity butyl adhesive layer.
In one embodiment, the polymer substrate layer includes an EPDM layer and an aluminum foil layer, the aluminum foil layer is plated on a side of the EPDM layer, and the EPDM layer is attached to a side of the heat-resistant butyl adhesive layer away from the high-viscosity butyl adhesive layer.
In one embodiment, the composite roof waterproof roll further comprises a release film layer attached to one side surface of the high-viscosity butyl adhesive layer, which is far away from the heat-resistant butyl adhesive layer.
In one embodiment, the edge of the polymer substrate layer, the edge of the heat-resistant butyl adhesive layer, and the edge of the high-viscosity butyl adhesive layer are aligned with each other, and the edge of the release film layer extends outward such that the width of the release film layer is greater than the width of the high-viscosity butyl adhesive layer.
In one embodiment, the release film layer comprises a PE film layer and a silicon fluorine coating, the silicon fluorine coating is coated on one side of the PE film layer, and one side of the silicon fluorine coating, which is far away from the PE film layer, is attached to one side of the high-viscosity butyl adhesive layer, which is far away from the heat-resistant butyl adhesive layer.
In one embodiment, a connecting hole is formed in one side surface, close to the heat-resistant butyl adhesive layer, of the polymer base material layer, and the heat-resistant butyl adhesive layer permeates into the connecting hole.
In one embodiment, the polymer substrate layer has a thickness of 1000 to 1500 μm.
Compared with the prior art, the utility model discloses at least, following advantage has:
the utility model discloses a heat-resisting butyl glue film adopts heat-resisting butyl glue to make, and it itself has that the cohesion is big, heat resistance is excellent, ageing resistance is excellent, with low costs, the bonding property is suitable characteristics, and can carry out good bonding with the polymer substrate layer. The high-viscosity butyl adhesive layer is made of high-viscosity butyl adhesive, has the characteristics of large cohesive force, excellent heat resistance, excellent aging resistance, excellent initial adhesion performance and high peel strength, can be well adhered to various inorganic building materials, and has a wide application range. The self-adhesive layer is formed by connecting the two materials together, so that the composite roof waterproof coiled material can reduce the cost, has excellent heat resistance, aging resistance, initial adhesion performance, peeling strength and lasting viscosity, can be well adhered to various inorganic building materials, and can be applied to the environment of-5-100 ℃. The utility model discloses a thickness of heat-resisting butyl glue film establishes to be 300 mu m ~ 400 mu m for 100 mu m ~ 200 mu m and the thickness of high butyl glue film for high butyl glue film has excellent adhesive property, and simultaneously under the same condition of self-adhesive layer thickness, for the self-adhesive layer that all constitute by high butyl glue film, the total cost of this self-adhesive layer has descended 25% ~ 45%.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a flowchart illustrating steps of a method for manufacturing a composite roof waterproof roll according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a composite roof waterproof roll according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a composite roof waterproof roll according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a composite roof waterproof roll according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In one embodiment, referring to fig. 2, a composite roll 10 for roof waterproofing includes a polymer substrate layer 110 and a self-adhesive layer, in which the self-adhesive layer 120 includes a heat-resistant butyl adhesive layer 121 and a high-viscosity butyl adhesive layer 122. The heat-resistant butyl adhesive layer 121 is coated on one side surface of the polymer substrate layer 110; the high-viscosity butyl adhesive layer 122 is coated on one side of the heat-resistant butyl adhesive layer 121 far away from the polymer substrate layer 110. The thickness of the polymer base material layer 110 is 1000-1500 μm, the thickness of the heat-resistant butyl adhesive layer 121 is 100-200 μm, and the thickness of the high-viscosity butyl adhesive layer 122 is 300-400 μm.
The heat-resistant butyl rubber layer is made of heat-resistant butyl rubber, has the characteristics of large cohesion, excellent heat resistance, excellent aging resistance, low cost and proper bonding performance, can be applied to an environment of-5-100 ℃, and can be well bonded with a polymer substrate layer. The high-viscosity butyl adhesive layer is made of high-viscosity butyl adhesive, has the characteristics of large cohesion, excellent heat resistance, excellent aging resistance, excellent initial adhesion performance and high peel strength, can be applied to an environment of-5-100 ℃, can be well adhered to various inorganic building materials, and has a wide application range. The two are connected together to form a self-adhesive layer, so that the composite roof waterproof coiled material 10 can reduce the cost, has excellent heat resistance, aging resistance, initial adhesion performance, peeling strength and lasting viscosity, can be well adhered to various inorganic building materials, and can be applied to the environment of-5-100 ℃.
In addition, the national standard GB23260-2009 waterproof coiled material with self-adhesive layer stipulates that the thickness of the self-adhesive layer of the non-asphalt-based waterproof coiled material is not less than 0.4 mm. The thickness of the high-viscosity butyl glue layer is required to be more than 300 mu m so as to have excellent adhesive property. In view of cost reduction, the thickness of the heat-resistant butyl glue layer is set to be 100-200 mu m and the thickness of the high-viscosity butyl glue layer is set to be 300-400 mu m, so that the high-viscosity butyl glue layer has excellent adhesive property, and the total cost of the self-adhesive layer is reduced by 25-45 percent compared with the self-adhesive layer which is composed of the high-viscosity butyl glue layer under the condition that the thickness of the self-adhesive layer is the same.
In one embodiment, the thickness of the polymer base material layer is 1000 to 1500 μm. For example, the thickness of the polymer substrate layer is 1000 μm, 1100 μm, 1200 μm, 1300 μm, 1400 μm or 1500 μm, which meets the national standard and is low in cost.
In one embodiment, referring to fig. 4, the polymer substrate layer 110 includes a TPO layer 112 and an aluminum foil layer 111, the aluminum foil layer 111 is plated on one side of the TPO layer 112, and the TPO layer 112 is attached to one side of the heat-resistant butyl adhesive layer 121 away from the high-viscosity butyl adhesive layer 122. The TPO layer 112 is made of thermoplastic polyolefin, and has excellent weather resistance, oil resistance, ozone resistance, ultraviolet ray resistance, dynamic fatigue resistance and wear resistance, and has high tear strength and small compression set. Electrically plating aluminum foil layer 111 on TPO layer 112 can make TPO layer 112 have better compactness to improve the waterproof performance of polymer substrate layer 110.
In one embodiment, the polymer substrate layer 110 includes a PVC layer and an aluminum foil layer, the aluminum foil layer is electroplated on a side of the PVC layer, and the PVC layer is attached on a side of the heat-resistant butyl adhesive layer 121 away from the high-viscosity butyl adhesive layer 122. The PVC layer is made of polyvinyl chloride, and has advantages of flame retardancy (flame retardancy of 40% or more), high chemical resistance (resistance to concentrated hydrochloric acid, 90% sulfuric acid, 60% nitric acid, and 20% sodium hydroxide), and good mechanical strength and electrical insulation. The aluminum foil layer is electroplated on the PVC layer, so that the PVC layer has better compactness, and the waterproof performance of the polymer substrate layer 110 is improved.
In one embodiment, the polymer substrate layer 110 includes an HDPE layer and an aluminum foil layer, the aluminum foil layer is plated on a side of the HDPE layer, and the HDPE layer is attached to a side of the heat-resistant butyl adhesive layer 121 away from the high-viscosity butyl adhesive layer 122. The HDPE layer is made of high-density polyethylene, and has good heat resistance and cold resistance, good chemical stability, excellent rigidity, toughness, mechanical strength, dielectric property and environmental stress cracking resistance. The electrical plating of the aluminum foil layer on the HDPE layer can make the HDPE layer have better compactness to improve the waterproof performance of the polymer substrate layer 110.
In one embodiment, the polymer substrate layer 110 includes an EPDM layer and an aluminum foil layer, the aluminum foil layer is plated on a side of the EPDM layer, and the EPDM layer is attached to a side of the heat-resistant butyl adhesive layer 121 away from the high-viscosity butyl adhesive layer 122. The EPDM layer is made of ethylene propylene rubber, and has excellent aging resistance, electrical insulation performance, ozone resistance, chemical stability, wear resistance, elasticity and oil resistance. The aluminum foil layer is electrically plated on the EPDM layer, so that the EPDM layer has better compactness, and the waterproof performance of the polymer substrate layer 110 is improved.
In an embodiment, referring to fig. 3, the composite roll 10 further includes a release film layer 130, and the release film layer 130 is attached to a side of the high-viscosity butyl adhesive layer 122 away from the heat-resistant butyl adhesive layer 121. It should be noted that the release film layer 130 is used for anti-sticking and anti-pollution function of the high viscosity butyl adhesive layer 122.
In one embodiment, the edge of the polymer substrate layer 110, the edge of the heat-resistant butyl adhesive layer 121, and the edge of the high-viscosity butyl adhesive layer 122 are aligned with each other, and the edge of the release film layer 130 extends outward so that the width of the release film layer 130 is greater than the width of the high-viscosity butyl adhesive layer 122. It should be noted that the edge of the release film layer 130 extends beyond the edge of the high-viscosity butyl adhesive layer 122, so that the edge of the release film layer 130 can be more easily found, and the release film layer 130 can be more easily peeled off from the edge of the release film layer 130.
In an embodiment, referring to fig. 4, the release film layer 130 includes a PE film layer 132 and a silicon fluorine coating 131, the silicon fluorine coating 131 is coated on one side of the PE film layer 132, and one side of the silicon fluorine coating 131 away from the PE film layer 132 is attached to one side of the high-viscosity butyl adhesive layer 122 away from the heat-resistant butyl adhesive layer 121. It should be noted that the PE film layer 132 is made of polyethylene, and has the characteristics of high strength, high temperature resistance, corrosion resistance, no toxicity, wear resistance, and the like. The coating 131 of silicon fluoride on the PE film 132 makes the PE film 132 have a proper release force.
In one embodiment, a connection hole is formed on a side of the polymer substrate layer 110 close to the heat-resistant butyl adhesive layer 121, and the heat-resistant butyl adhesive layer 121 permeates into the connection hole. It should be noted that the heat-resistant butyl adhesive layer 121 permeates into the connecting hole, so that the connection between the polymer substrate layer 110 and the heat-resistant butyl adhesive layer 121 is tighter, and the situation that the polymer substrate layer 110 is tilted after long-term use and separated from the heat-resistant butyl adhesive layer 121 due to the untight connection between the polymer substrate layer 110 and the heat-resistant butyl adhesive layer 121 is avoided.
Compared with the prior art, the utility model discloses at least, following advantage has:
the utility model discloses a heat-resisting butyl glue film adopts heat-resisting butyl glue to make, and it itself has that the cohesion is big, heat resistance is excellent, ageing resistance is excellent, with low costs, the bonding property is suitable characteristics, can be applied to-5 ℃ -100 ℃ of environment, and can carry out good bonding with the polymer substrate layer. The high-viscosity butyl adhesive layer is made of high-viscosity butyl adhesive, has the characteristics of large cohesion, excellent heat resistance, excellent aging resistance, excellent initial adhesion performance and high peel strength, can be applied to an environment of-5-100 ℃, can be well adhered to various inorganic building materials, and has a wide application range. The two are connected together to form a self-adhesive layer, so that the composite roof waterproof coiled material 10 can reduce the cost, has excellent heat resistance, aging resistance, initial adhesion performance, peeling strength and lasting viscosity, can be well adhered to various inorganic building materials, and can be applied to the environment of-5-100 ℃. The utility model discloses a thickness of heat-resisting butyl glue film establishes to be 300 mu m ~ 400 mu m for 100 mu m ~ 200 mu m and the thickness of high butyl glue film for high butyl glue film has excellent adhesive property, and simultaneously under the same condition of self-adhesive layer thickness, for the self-adhesive layer that all constitute by high butyl glue film, the total cost of this self-adhesive layer has descended 25% ~ 45%.
In one embodiment, please refer to fig. 2, a composite roof waterproof roll 10 includes a polymer substrate layer 110 and a self-adhesive layer 120, in which the self-adhesive layer 120 includes a heat-resistant butyl adhesive layer 121 and a high-viscosity butyl adhesive layer 122, and the polymer substrate layer, the heat-resistant butyl adhesive layer and the high-viscosity butyl adhesive layer are sequentially stacked. The heat-resistant butyl glue layer comprises the following components in parts by mass: 15-25 parts of butyl rubber, 20-30 parts of rubber plasticizer, 2-8 parts of SEBS thermoplastic elastomer, 20-35 parts of inorganic filler, 10-20 parts of tackifier, 0.5-1.5 parts of ultraviolet-resistant pigment and 0.5-1.0 part of antioxidant. The high-viscosity butyl adhesive layer comprises the following components in parts by mass: 15-25 parts of butyl rubber, 5-15 parts of SEBS thermoplastic elastomer, 10-20 parts of hydrogenated rosin tackifying resin, 15-25 parts of terpene tackifying resin, 30-45 parts of rubber plasticizer, 0.5-1.5 parts of ultraviolet resistant pigment and 0.5-1.0 part of antioxidant.
The main material of the self-adhesive layer is butyl rubber, and the butyl rubber has good adhesive property to different types of polymer coiled materials and good resistance to ultraviolet rays and ozone. However, the butyl rubber polymer chains are all aliphatic flexible chain segments and do not contain rigid chain segments, so that the butyl rubber polymer chains have small cohesive force and poor heat resistance, aging resistance, flexibility and adhesion performance. The combination of the anti-ultraviolet pigment and the antioxidant can improve the ultraviolet irradiation aging resistance of the butyl rubber to a great extent. The rubber plasticizer can increase the mobility and flexibility of molecular chains of the butyl rubber, so that the flexibility of the butyl rubber is improved.
In the heat-resistant butyl glue layer, the heat-resistant butyl glue layer and the high-viscosity butyl glue layer have similar compositions and good compatibility, so that the requirement on the bonding performance of the heat-resistant butyl glue layer is not high, and the heat-resistant butyl glue layer can be bonded with the high-molecular base material layer well. A large amount of inorganic filler can not only enhance the cohesion and heat resistance of the butyl rubber, but also reduce the cost to a great extent. However, the addition of a large amount of inorganic filler greatly deteriorates the adhesion and aging resistance of butyl rubber, and thus it is impossible to achieve good adhesion to a polymer substrate layer and water resistance for a long time. Therefore, combine SEBS thermoplastic elastomer and inorganic filler, SEBS thermoplastic elastomer's polymer chain segment is high with the same saturation of butyl rubber, have good ultraviolet irradiation resistance ageing properties, and its polymer chain contains polystyrene rigid block, can increase butyl rubber's cohesion, adhesion and ageing resistance, make butyl rubber can hold more a large amount of inorganic filler, combine the tackifier of suitable quantity again, improve butyl rubber's adhesion strength, make heat-resisting butyl glue film can carry out good bonding with the polymer substrate layer, avoid the polymer substrate layer can stick up the limit and break away from on the heat-resisting butyl glue film. In conclusion, the defects of small cohesive force and poor heat resistance of the butyl rubber are overcome by the butyl rubber, the rubber plasticizer, the SEBS thermoplastic elastomer, the inorganic filler, the tackifier, the ultraviolet-resistant pigment and the antioxidant in a proper component ratio, and the problems of great deterioration of the adhesive property and the ageing resistance due to the addition of a large amount of the inorganic filler are solved, so that the heat-resistant butyl rubber layer has the characteristics of large cohesive force, excellent heat resistance, excellent ageing resistance, low cost and proper adhesive property, can be applied to the environment of-5-100 ℃, and can be well adhered to a high-molecular base material layer.
Among the high-tack butyl rubber layers, the high-tack butyl rubber layer is used for bonding with building materials such as aluminum sheets, cement sheets, and the like, and a greater initial bonding property and peel strength are required compared to the heat-resistant butyl rubber layer. The SEBS thermoplastic elastomer can improve the cohesion, the bonding force and the aging resistance of the butyl rubber. And the cohesive force, the initial adhesive property and the peeling strength of the butyl hot melt adhesive can be well improved by combining the hydrogenated rosin tackifying resin and the terpene tackifying resin which have good compatibility with butyl rubber and stable performance. In conclusion, the high-viscosity butyl adhesive layer has the characteristics of large cohesive force, excellent heat resistance, excellent aging resistance, excellent initial adhesion performance and high peel strength by properly mixing the butyl rubber, the SEBS thermoplastic elastomer, the hydrogenated rosin tackifying resin, the terpene tackifying resin, the rubber plasticizer, the ultraviolet-resistant pigment and the antioxidant in a ratio, can be applied to an environment of-5-100 ℃, can be well adhered to various inorganic building materials, and has a wide application range.
The price of the inorganic filler is lower than that of the SEBS thermoplastic elastomer, the hydrogenated rosin tackifying resin and the terpene tackifying resin, and the cost of the heat-resistant butyl adhesive layer is only 40-60% of that of the high-viscosity butyl adhesive layer by adopting a large amount of inorganic filler with low price.
In one embodiment, the polymer substrate layer is a TPO substrate, a PVC substrate, a HDPE substrate, or an EPDM substrate. The TP O base material is thermoplastic polyolefin, and has excellent weather resistance, oil resistance, ozone resistance, ultraviolet ray resistance, dynamic fatigue resistance and wear resistance, high tear resistance and small compression permanent deformation. The PVC base material is polyvinyl chloride, and has advantages of flame retardancy (flame retardancy of 40% or more), high chemical resistance (resistance to concentrated hydrochloric acid, sulfuric acid having a concentration of 90%, nitric acid having a concentration of 60%, and sodium hydroxide having a concentration of 20%), and good mechanical strength and electrical insulation. The HDPE base material is high-density polyethylene, has good heat resistance and cold resistance, good chemical stability, and excellent rigidity, toughness, mechanical strength, dielectric property and environmental stress cracking resistance. The EPDM substrate is ethylene propylene rubber, and has excellent aging resistance, electric insulation performance, ozone resistance, chemical stability, wear resistance, elasticity and oil resistance.
In one embodiment, the butyl rubber has an unsaturation of less than 2%/mol and a Mooney viscosity (M L1 +8,125 ℃) of 40 to 60.
In one embodiment, the SEBS thermoplastic elastomer is a hydrogenated styrene-butadiene block copolymer having a styrene block content of no greater than 30%.
In one embodiment, the rubber plasticizer is at least one of a cycloalkyl rubber softening oil and polyisobutylene. For example, the rubber plasticizer is a common mixture of a cycloalkyl rubber softening oil and polyisobutylene. For example, the rubber plasticizer is a cycloalkyl rubber softening oil or polyisobutylene. It should be noted that the naphthenic rubber softening oil and polyisobutylene can be inserted between molecular chains of the butyl rubber, so as to weaken aggregation between the molecular chains, and increase mobility and flexibility of the molecular chains, thereby improving flexibility of the self-adhesive layer. Wherein the viscosity of the rubber plasticizer is 50cps to 150cps at 40 ℃. The average molecular weight of the polyisobutylene is 400-2400.
In one embodiment, the inorganic filler is at least one of ground calcium carbonate, calcined kaolin, talc and mica powder. For example, the inorganic filler is a common mixture of ground calcium carbonate, calcined kaolin, talc and mica powder. For example, the inorganic filler is ground calcium carbonate, calcined kaolin, talc or mica powder. It is noted that the particle size of the heavy calcium carbonate, the calcined kaolin, the talcum powder and the mica powder is not more than 1250 meshes, and the heavy calcium carbonate, the calcined kaolin, the talcum powder and the mica powder can be uniformly embedded into the molecular net of the butyl rubber, so that the deformation and the sliding of the molecular net of the butyl rubber under the action of high temperature are reduced, and the high temperature resistance of the heat-resistant butyl rubber layer is improved.
In one embodiment, the tackifier is at least one of a non-hydrogenated hydrocarbon five petroleum resin, a non-hydrogenated hydrocarbon five/carbon nine copolymerized petroleum resin, and a non-hydrogenated styrene-modified hydrocarbon five petroleum resin. For example, the tackifier is a common mixture of a non-hydrogenated carbon five petroleum resin, a non-hydrogenated carbon five/carbon nine copolymerized petroleum resin, and a non-hydrogenated styrene-modified carbon five petroleum resin. For example, the tackifier is a non-hydrogenated carbon five petroleum resin, a non-hydrogenated carbon five/carbon nine copolymerized petroleum resin, or a non-hydrogenated styrene-modified carbon five petroleum resin. It should be noted that the softening point of the tackifier by the ring and ball method is not lower than 100 ℃. The non-hydrogenated carbon five petroleum resin, the non-hydrogenated carbon five/carbon nine copolymerized petroleum resin and the non-hydrogenated styrene modified carbon five petroleum resin have good intersolubility with butyl rubber, and can play roles in tackifying, reinforcing and softening the butyl rubber. In particular to non-hydrogenated carbon five/carbon nine copolymerized petroleum resin which not only can increase the adhesive force among colloidal particles, but also can improve the adhesive force between the colloidal particles and a macromolecular base material.
In one embodiment, the ultraviolet resistant pigment is at least one of rutile titanium dioxide and anatase titanium dioxide. For example, the anti-ultraviolet pigment is a common mixture of rutile titanium dioxide and anatase titanium dioxide. For example, the ultraviolet resistant pigment is rutile type titanium dioxide or anatase type titanium dioxide. The particle sizes of the rutile titanium dioxide and the anatase titanium dioxide are smaller than 3000 meshes, the rutile titanium dioxide and the anatase titanium dioxide have good thermal stability, and the butyl rubber has the functions of reinforcing, anti-aging, filling, enhancing ozone resistance and ultraviolet resistance, so that the self-adhesive layer is resistant to sunlight, does not crack or change color, has high elongation and is acid and alkali resistant under the irradiation of sunlight.
One embodiment of the invention provides a rubber composition comprising at least one of pentaerythrityl tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], tris [ 2.4-di-tert-butylphenyl ] phosphite and n-octadecyl β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, for example, a common mixture of pentaerythrityl tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], tris [ 2.4-di-tert-butylphenyl ] phosphite and n-octadecyl β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, for example, pentaerythrityl tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], tris [ 2.4-di-tert-butylphenyl ] phosphite or n-octadecyl 2- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, it is noted that tetra [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] tetra-octadecyl 2- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, or n-octadecyl tris [ 3, 5-tert-butyl-4-hydroxyphenyl) propionate, the rubber composition can inhibit the aging of rubber, and can be used for rubber.
In one embodiment, the hydrogenated rosin-based tackifying resin is at least one of a hydrogenated rosin resin and a hydrogenated rosin-modified resin. For example, the hydrogenated rosin-based tackifying resin is a common mixture of a hydrogenated rosin resin and a hydrogenated rosin-modified resin. For example, the hydrogenated rosin-based tackifying resin is a hydrogenated rosin resin or a hydrogenated rosin-modified resin. The hydrogenated rosin-based tackifier resin has a ring and ball softening point of not higher than 90 ℃. The hydrogenated rosin resin and the hydrogenated rosin modified resin contain double chains and carboxyl active genes, have conjugated double bonds and typical carboxyl reaction, react with the butyl rubber, and can increase the viscosity and cohesion of the butyl rubber, so that the heat resistance and the initial adhesion performance of the self-adhesive layer are improved.
In one embodiment, the terpene-based tackifying resin is at least one of a polymerized terpene resin, a terpene-styrene resin, and a terpene-phenol resin. For example, terpene-based tackifying resins are a common mixture of polymerized terpene resins, terpene styrene resins, and terpene phenol resins. For example, the terpene-based tackifying resin is a polymerized terpene resin, a terpene-styrene resin, or a terpene-phenol resin. The terpene-based tackifying resins have a ring and ball softening point of not less than 100 ℃. The polymerized terpene resin, the terpene styrene resin and the terpene phenol resin have the excellent performances of strong bonding force, good ageing resistance, high cohesion, heat resistance, light resistance, acid resistance, alkali resistance, odor resistance, no toxicity and the like, and can increase the viscosity and cohesion of butyl rubber by reacting with butyl rubber, thereby improving the heat resistance and initial bonding performance of the self-adhesive layer.
In one embodiment, referring to fig. 1, a method for preparing a composite waterproof roofing roll includes the following steps: and S110, providing a polymer base material layer. And S120, adding the butyl rubber, the SEBS thermoplastic elastomer, the rubber plasticizer, the inorganic filler, the anti-ultraviolet pigment and the antioxidant into a kneader at the temperature of 140-160 ℃, stirring until the mixture is completely melted, adding the tackifier, and continuously stirring until the mixture is completely melted to obtain the heat-resistant butyl rubber. Wherein the mass ratio of the butyl rubber, the rubber plasticizer, the SEBS thermoplastic elastomer, the inorganic filler, the tackifier, the ultraviolet-resistant pigment and the antioxidant is (15-25): 20-30): 2-8): 20-35): 10-20): 0.5-1.5): (0.5 to 1.0). S130, adding butyl rubber, SEBS thermoplastic elastomer, rubber plasticizer, ultraviolet-resistant pigment and antioxidant into a kneader at the temperature of 150-170 ℃, stirring until the mixture is completely melted, adding hydrogenated rosin tackifying resin and terpene tackifying resin, and continuously stirring until the mixture is completely melted to obtain the high-viscosity butyl rubber. Wherein the mass ratio of the butyl rubber, the rubber plasticizer, the SEBS thermoplastic elastomer, the hydrogenated rosin tackifying resin, the terpene tackifying resin, the ultraviolet-resistant pigment and the antioxidant is (15-25): (30-45): (5-15): (10-20): 15-25): 0.5-1.5): (0.5 to 1.0). S140, coating on a side of polymer substrate layer heat-resisting butyl rubber, in order form heat-resisting butyl glue film on a side of polymer substrate layer heat-resisting butyl glue film is kept away from coating on a side of polymer substrate layer high-viscosity butyl rubber, in order heat-resisting butyl glue film is kept away from form high-viscosity butyl glue film on a side of polymer substrate layer, obtain composite roofing waterproofing membrane.
The heat-resistant butyl rubber with high cohesion, excellent heat resistance, excellent aging resistance, low cost and proper bonding performance can be obtained by the method through proper steps and proper component proportion of butyl rubber, rubber plasticizer, SEBS thermoplastic elastomer, inorganic filler, tackifier, ultraviolet-resistant pigment and antioxidant. According to the method, the high-viscosity butyl rubber with large cohesion, excellent heat resistance, excellent aging resistance, excellent initial adhesion performance and large peel strength can be obtained through the proper steps and the proper component proportion of butyl rubber, the SEBS thermoplastic elastomer, the hydrogenated rosin tackifying resin, the terpene tackifying resin, the rubber plasticizer, the ultraviolet-resistant pigment and the antioxidant. The method selects the temperature of 140-160 ℃, can completely dissolve all components of the heat-resistant butyl rubber, and simultaneously reduces side reactions and decomposition among all components. The method can completely dissolve the components of the high-viscosity butyl rubber under the temperature condition of 150-170 ℃, and simultaneously reduces side reactions and decomposition among the components. The antioxidant can eliminate free radicals just generated by each organic component of the heat-resistant butyl rubber and the high-viscosity butyl rubber under the high-temperature condition, and prevent the thermal oxidation process of each organic component, so that various performances of the heat-resistant butyl rubber and the high-viscosity butyl rubber, such as heat resistance, aging resistance, bonding performance and the like, are improved.
In one embodiment, before the operation of obtaining the composite roll roof waterproof sheet, a release film layer is further attached to one side of the high-viscosity butyl adhesive layer, which is far away from the heat-resistant butyl adhesive layer. The method has the advantages that the separation, pollution prevention and anti-sticking functions of the high-viscosity butyl adhesive layer are achieved by attaching the release film layer.
In one embodiment, the butyl rubber, the SEBS thermoplastic elastomer, the rubber plasticizer, the inorganic filler, the ultraviolet resistant pigment, the antioxidant, and the tackifier are further allowed to stand at a temperature of 150 to 170 ℃ for 10 to 20 minutes before the operation of obtaining the heat-resistant butyl rubber. It should be noted that, when the components continue to react stably at a temperature of 140 ℃ to 160 ℃ and in a relatively static state without external force, the butyl rubber will recover and enhance its creep property, the molecular net of the butyl rubber will deform and move, and the inorganic filler and the anti-ultraviolet pigment are wrapped in the pores of the molecular net to form butyl rubber with more stable chemical properties, thereby further improving the heat resistance and aging resistance of the heat-resistant butyl rubber.
In one embodiment, the butyl rubber, the SEBS thermoplastic elastomer, the rubber plasticizer, the inorganic filler, the ultraviolet resistant pigment, the antioxidant, the hydrogenated rosin tackifier resin, and the terpene tackifier resin are allowed to stand at a temperature of 150 to 170 ℃ for 10 to 20 minutes before the operation of obtaining the high-viscosity butyl rubber. It should be noted that, when the components continue to react stably at a temperature of 150 ℃ to 170 ℃ and in a relatively static state without external force, the butyl rubber recovers and enhances the creep property thereof, the molecular net of the butyl rubber deforms and moves, and the ultraviolet resistant pigment is wrapped in the molecular net pores to form butyl rubber with more stable chemical properties, so that the heat resistance and the aging resistance of the high-viscosity butyl rubber are further improved.
The following are detailed description of the embodiments
Example 1
And S111, providing a polymer substrate layer, wherein the polymer substrate layer is a TPO substrate.
S121, adding 15kg of butyl rubber, 2kg of SEBS thermoplastic elastomer, 30kg of naphthenic rubber softening oil, 15kg of heavy calcium carbonate, 20kg of calcined kaolin, 1.5kg of anatase titanium dioxide and 1.0kg of tetra [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester into a kneader under the temperature condition of 140 ℃, stirring for 30min, adding 20kg of non-hydrogenated carbon penta petroleum resin, and continuing stirring for 45min to obtain the heat-resistant butyl rubber.
S131, adding 15kg of butyl rubber, 5kg of SEBS thermoplastic elastomer, 45kg of naphthenic rubber softening oil, 1.5kg of anatase titanium dioxide and 1.0kg of tetra [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester into a kneader at the temperature of 150 ℃, stirring for 30min, adding 20kg of hydrogenated rosin resin and 25kg of polymerized terpene resin, and continuously stirring for 45min to obtain the high-viscosity butyl rubber.
S141, coating on a side of polymer substrate layer heat-resisting butyl rubber, in order form heat-resisting butyl glue film on a side of polymer substrate layer heat-resisting butyl glue film is kept away from coating on a side of polymer substrate layer high-viscosity butyl rubber, in order heat-resisting butyl glue film is kept away from form high-viscosity butyl glue film on a side of polymer substrate layer, obtain embodiment 1' S composite roofing waterproofing membrane.
Example 2
And S112, providing a polymer base material layer, wherein the polymer base material layer is a PVC base material.
S122, adding 25kg of butyl rubber, 8kg of SEBS thermoplastic elastomer, 20kg of naphthenic rubber softening oil, 10kg of calcined kaolin, 10kg of talcum powder, 0.5kg of anatase titanium dioxide and 0.5kg of tris [ 2.4-di-tert-butylphenyl ] phosphite into a kneader at the temperature of 160 ℃, stirring for 50min, adding 10kg of non-hydrogenated carbon five/carbon nine copolymerized petroleum resin, and continuously stirring for 60min to obtain the heat-resistant butyl rubber.
S132, adding 25kg of butyl rubber, 15kg of SEBS thermoplastic elastomer, 30kg of naphthenic rubber softening oil, 0.5kg of anatase titanium dioxide and 0.5kg of tris [ 2.4-di-tert-butylphenyl ] phosphite into a kneader at the temperature of 170 ℃, stirring for 50min, adding 10kg of hydrogenated rosin modified resin and 15kg of terpene styrene resin, and continuing stirring for 60min to obtain the high-viscosity butyl rubber.
S142, coat on a side of polymer substrate layer heat-resisting butyl rubber, in order form heat-resisting butyl glue film on a side of polymer substrate layer heat-resisting butyl glue film is kept away from coat on a side of polymer substrate layer high-viscosity butyl rubber, in order heat-resisting butyl glue film is kept away from form high-viscosity butyl glue film on a side of polymer substrate layer, obtain embodiment 2' S composite roofing waterproofing membrane.
Example 3
S113, providing a high polymer base material layer which is an HDPE base material.
S123, adding 20kg of butyl rubber, 5kg of SEBS thermoplastic elastomer, 25kg of polyisobutylene, 10kg of talcum powder, 18kg of mica powder, 1.0kg of rutile type titanium dioxide and 0.8kg of β - (3, 5-di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate into a kneader at the temperature of 150 ℃, stirring for 40min, adding 15kg of non-hydrogenated styrene modified carbon-five petroleum resin, and continuing stirring for 50min to obtain the heat-resistant butyl rubber.
S133, under the temperature condition of 160 ℃, 20kg of butyl rubber, 10kg of SEBS thermoplastic elastomer, 38kg of polyisobutylene, 1.0kg of rutile type titanium dioxide and 0.8kg of β - (3, 5-di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate are added into a kneader, stirred for 40min, 15kg of hydrogenated rosin resin and 20kg of terpene phenol resin are added, and stirring is continued for 50min to obtain the high-viscosity butyl rubber.
S143 coat on a side of the polymer substrate layer heat-resistant butyl rubber, in order form heat-resistant butyl rubber layer on a side of the polymer substrate layer heat-resistant butyl rubber layer is kept away from coat on a side of the polymer substrate layer high viscosity butyl rubber, in order heat-resistant butyl rubber layer is kept away from form high viscosity butyl rubber layer on a side of the polymer substrate layer, obtain the composite roof waterproof roll of embodiment 3. Wherein the thickness of the self-adhesive layer consisting of the heat-resistant butyl adhesive layer and the high-viscosity butyl adhesive layer is 0.4 mm.
Example 4
And S114, providing a polymer base material layer, wherein the polymer base material layer is an EPDM base material.
S124, under the temperature condition of 155 ℃, adding 22kg of butyl rubber, 6kg of SEBS thermoplastic elastomer, 22kg of polyisobutylene, 10kg of calcined kaolin, 12kg of talcum powder, 8kg of mica powder, 0.8kg of rutile type titanium dioxide and 0.6kg of tetra [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester into a kneader, stirring for 45min, adding 15kg of non-hydrogenated carbon-penta petroleum resin, and continuing stirring for 55min to obtain the heat-resistant butyl rubber.
S134, under the temperature condition of 160 ℃, adding 22kg of butyl rubber, 12kg of SEBS thermoplastic elastomer, 40kg of polyisobutylene, 1.0kg of rutile type titanium dioxide and 0.8kg of pentaerythritol tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] ester into a kneader, stirring for 45min, adding 15kg of hydrogenated rosin resin and 22kg of terpene styrene resin, and continuously stirring for 55min to obtain the high-viscosity butyl rubber.
S144, coat on a side of polymer substrate layer heat-resisting butyl rubber, in order form heat-resisting butyl glue film on a side of polymer substrate layer heat-resisting butyl glue film is kept away from coat on a side of polymer substrate layer high-viscosity butyl rubber, in order heat-resisting butyl glue film is kept away from form high-viscosity butyl glue film on a side of polymer substrate layer, obtain embodiment 4' S composite roofing waterproofing membrane.
Comparative example 1
And providing a polymer base material layer, wherein the polymer base material layer is an HDPE base material.
Under the temperature condition of 150 ℃, 20kg of butyl rubber, 5kg of SEBS thermoplastic elastomer, 25kg of polyisobutylene, 10kg of talcum powder, 18kg of mica powder, 1.0kg of rutile type titanium dioxide and 0.8kg of β - (3, 5-di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate are added into a kneader, stirred for 40min, then 15kg of non-hydrogenated styrene modified carbon-five petroleum resin is added, and the stirring is continued for 50min, so that the heat-resistant butyl rubber is obtained.
Coating on a side of the polymer substrate layer heat-resistant butyl rubber to form a first heat-resistant butyl rubber layer on a side of the polymer substrate layer, keeping away from the first heat-resistant butyl rubber layer, coating again on a side of the polymer substrate layer heat-resistant butyl rubber to keep away from the first heat-resistant butyl rubber layer and form a second heat-resistant butyl rubber layer on a side of the polymer substrate layer, and obtaining the composite roof waterproof coiled material of the comparative example 1. Wherein, the thickness of the self-adhesive layer formed by the first heat-resistant butyl adhesive layer and the second heat-resistant butyl adhesive layer is 0.4 mm.
Comparative example 2
And providing a polymer base material layer, wherein the polymer base material layer is an HDPE base material.
And coating butyl rubber on one side face of the polymer base material layer to form a first butyl rubber layer on one side face of the polymer base material layer, and coating the butyl rubber on one side face, far away from the polymer base material layer, of the first butyl rubber layer again to form a second butyl rubber layer on one side face, far away from the polymer base material layer, of the first butyl rubber layer to obtain the composite waterproof roof roll material in the comparative example 2. Wherein, the thickness of the self-adhesive layer formed by the first butyl rubber layer and the second butyl rubber layer is 0.4 mm.
The composite roof waterproof rolls of example 1, example 2, example 3, example 4, comparative example 1 and comparative example 2 were subjected to various performance tests, and the obtained performance parameters are shown in table 1.
TABLE 1
The above table was analyzed: comparing comparative example 1 with example 3, the self-adhesive layer of comparative example 1 is composed of only the heat-resistant butyl rubber layer, which has excellent heat resistance, aging resistance and adhesive holding property, but the peel strength is far lower than that of example 3, and the national standard requirement is not met, so that the self-adhesive layer cannot be practically used. Comparing the comparative example 2 with the example 3, the self-adhesive layer of the comparative example 2 is only composed of butyl rubber, the heat resistance, the aging resistance, the peeling strength and the holding viscosity of the self-adhesive layer are all far lower than those of the example 3, and the self-adhesive layer can not meet the national standard and can not be practically applied. The self-adhesive layer of the embodiment 3 has excellent heat resistance, aging resistance, peel strength and tack, not only can meet the national standard requirements and meet the practical application, but also can be applied to the environment of-5 ℃ to 100 ℃, and has a wider application range.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A composite roof waterproof roll material is characterized by comprising:
a polymer substrate layer; and
the self-adhesive layer comprises a heat-resistant butyl adhesive layer and a high-viscosity butyl adhesive layer, the heat-resistant butyl adhesive layer is coated on one side face of the high polymer base material layer, and the high-viscosity butyl adhesive layer is coated on one side face, far away from the high polymer base material layer, of the heat-resistant butyl adhesive layer;
wherein the thickness of the heat-resistant butyl adhesive layer is 100-200 μm, and the thickness of the high-viscosity butyl adhesive layer is 300-400 μm.
2. The composite roof waterproof coiled material according to claim 1, wherein the polymer substrate layer comprises a TPO layer and an aluminum foil layer, the aluminum foil layer is plated on one side of the TPO layer, and the TPO layer is attached to one side of the heat-resistant butyl adhesive layer, which is far away from the high-viscosity butyl adhesive layer.
3. The composite roof waterproof roll according to claim 1, wherein the polymer substrate layer includes a PVC layer and an aluminum foil layer, the aluminum foil layer is plated on a side surface of the PVC layer, and the PVC layer is attached to a side surface of the heat-resistant butyl adhesive layer away from the high-viscosity butyl adhesive layer.
4. The composite roof waterproof roll according to claim 1, wherein the polymer substrate layer includes an HDPE layer and an aluminum foil layer, the aluminum foil layer is plated on one side of the HDPE layer, and the HDPE layer is attached to one side of the heat-resistant butyl adhesive layer away from the high-viscosity butyl adhesive layer.
5. The composite roof waterproof roll according to claim 1, wherein the polymer substrate layer includes an EPDM layer and an aluminum foil layer, the aluminum foil layer is plated on one side of the EPDM layer, and the EPDM layer is attached to one side of the heat-resistant butyl glue layer away from the high-viscosity butyl glue layer.
6. The composite roof waterproof roll material according to claim 1, further comprising a release film layer attached to a side surface of the high-viscosity butyl adhesive layer away from the heat-resistant butyl adhesive layer.
7. The composite roll roofing water-proof material as claimed in claim 6, wherein the edges of the polymer substrate layer, the heat-resistant butyl adhesive layer and the high-viscosity butyl adhesive layer are aligned with each other, and the edges of the release film layer extend outward so that the width of the release film layer is greater than the width of the high-viscosity butyl adhesive layer.
8. The composite roof waterproof roll according to claim 6, wherein the release film layer includes a PE film layer and a silicon fluorine coating, the silicon fluorine coating is coated on one side of the PE film layer, and one side of the silicon fluorine coating, which is far away from the PE film layer, is attached to one side of the high-viscosity butyl adhesive layer, which is far away from the heat-resistant butyl adhesive layer.
9. The composite roof waterproof roll according to claim 1, wherein a connecting hole is formed in one side surface of the polymer base material layer close to the heat-resistant butyl adhesive layer, and the heat-resistant butyl adhesive layer penetrates into the connecting hole.
10. The composite roof waterproof roll material according to claim 1, wherein the thickness of the polymer substrate layer is 1000 μm to 1500 μm.
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