CN112356533A - Roof waterproof flexible material - Google Patents
Roof waterproof flexible material Download PDFInfo
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- CN112356533A CN112356533A CN202010956001.9A CN202010956001A CN112356533A CN 112356533 A CN112356533 A CN 112356533A CN 202010956001 A CN202010956001 A CN 202010956001A CN 112356533 A CN112356533 A CN 112356533A
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- 239000000463 material Substances 0.000 title claims abstract description 71
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 37
- 239000010410 layer Substances 0.000 claims abstract description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000002344 surface layer Substances 0.000 claims abstract description 20
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 claims abstract description 16
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 10
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 239000002270 dispersing agent Substances 0.000 claims abstract description 10
- 238000011049 filling Methods 0.000 claims abstract description 10
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 10
- 239000003921 oil Substances 0.000 claims abstract description 10
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- 238000000034 method Methods 0.000 claims description 11
- -1 pentaerythritol ester Chemical class 0.000 claims description 10
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 9
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
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- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 6
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- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 6
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
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- JBSLOWBPDRZSMB-BQYQJAHWSA-N dibutyl (e)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C\C(=O)OCCCC JBSLOWBPDRZSMB-BQYQJAHWSA-N 0.000 claims description 3
- JBSLOWBPDRZSMB-FPLPWBNLSA-N dibutyl (z)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C/C(=O)OCCCC JBSLOWBPDRZSMB-FPLPWBNLSA-N 0.000 claims description 3
- TVWTZAGVNBPXHU-FOCLMDBBSA-N dioctyl (e)-but-2-enedioate Chemical compound CCCCCCCCOC(=O)\C=C\C(=O)OCCCCCCCC TVWTZAGVNBPXHU-FOCLMDBBSA-N 0.000 claims description 3
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- 230000003179 granulation Effects 0.000 claims description 3
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- 238000002360 preparation method Methods 0.000 claims description 3
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- 239000002002 slurry Substances 0.000 claims description 3
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- 125000005456 glyceride group Chemical group 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 8
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of waterproof materials, and discloses a roof waterproof flexible material which comprises an upper surface layer, a middle layer, a lower surface layer and a protective film layer, wherein the upper surface layer and the lower surface layer are formed by combining the following materials: 12-18 parts of modified nano calcium carbonate, 3 parts of anti-aging agent, 5 parts of tackifier, 7 parts of bridging agent, 8 parts of dispersing agent, 3 parts of softening agent, 6 parts of heat insulation material, 30 parts of SEBS thermoplastic elastomer, 5 parts of hydrophobic silica, 5 parts of thermoplastic polyurethane, 1 part of titanium dioxide, 4 parts of filling oil, 1 part of anti-ultraviolet agent and 1 part of modifying agent. According to the invention, the upper surface layer, the middle layer, the lower surface layer and the protective film layer are adopted in the production process of the waterproof coiled material, and the middle layer is a net woven by flexible steel wires coated with an antirust coating, so that the tensile strength of the waterproof coiled material is improved, and the service life of the waterproof coiled material is prolonged.
Description
Technical Field
The invention relates to the technical field of waterproof materials, in particular to a roof waterproof flexible material.
Background
At present, the quality of roof waterproof engineering is one of important indexes for measuring the engineering quality, and waterproof materials are the foundation of building waterproofing. The waterproof materials available in the domestic building market at present can be roughly classified into three categories: the first kind is high polymer modified asphalt waterproof coiled material; the second type is architectural waterproof coating; the third kind is synthetic macromolecule waterproof coiled material. The high polymer modified asphalt waterproof coiled material mainly comprises a high polymer modified asphalt waterproof coiled material taking SBS/APP (APAO) as a modified material, the building waterproof coating mainly comprises a polymer modified asphalt waterproof coating, a polyurethane waterproof coating and a polymer cement waterproof coating, and the materials are widely applicable to roof waterproofing and basement waterproofing due to the advantages of smooth appearance, good heat resistance and water impermeability and the like; the synthetic high-molecular waterproof coiled material is mainly divided into rubber and resin, main products comprise a styrene-diene monomer rubber waterproof coiled material, a polyvinyl chloride coiled material, a chlorinated polyethylene coiled material and the like, and the synthetic high-molecular waterproof coiled material is mainly suitable for roof waterproofing due to the advantages of good breaking tensile strength, good breaking elongation performance, good low-temperature bending property, good water impermeability and the like.
Disclosure of Invention
The invention aims to provide a roof waterproof flexible material, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the roof waterproof flexible material comprises an upper surface layer, a middle layer, a lower surface layer and a protective film layer, wherein the upper surface layer and the lower surface layer are formed by combining the following materials: 12-18 parts of modified nano calcium carbonate, 3 parts of anti-aging agent, 5 parts of tackifier, 7 parts of bridging agent, 8 parts of dispersing agent, 3 parts of softening agent, 6 parts of heat insulation material, 30 parts of SEBS thermoplastic elastomer, 5 parts of hydrophobic silica, 5 parts of thermoplastic polyurethane, 1 part of titanium dioxide, 4 parts of filling oil, 1 part of anti-ultraviolet agent and 1 part of modifying agent;
the middle layer is a net woven by flexible steel wires coated with an antirust coating, and the protective film layer is a PE protective film.
As a preferred embodiment of the present invention, the modified nano calcium carbonate is prepared by the following steps: the carbonization method comprises the steps of calcining selected limestone to obtain calcium oxide and kiln gas to digest the calcium oxide, crushing the generated suspended calcium hydroxide under the action of high shear force, and performing multi-stage hydrocyclone separation to remove particles and impurities to obtain a refined calcium hydroxide suspension with a certain concentration; introducing CO2 gas, adding a proper crystal form control agent, and carbonizing to the end point to obtain calcium carbonate slurry with the required crystal form; and finally, carrying out dehydration, drying and surface treatment to obtain the nano calcium carbonate product.
As a preferred embodiment of the present invention, the tackifier is any one of a hydrogenated rosin glycerol ester, a hydrogenated rosin pentaerythritol ester, and a rosin glycerol ester; the softener is any one of dibutyl fumarate, dioctyl fumarate and dibutyl maleate.
As a preferred embodiment of the invention, the SEBS thermoplastic elastomer is prepared by mixing SEBS for toughening nylon (PA6), Polycarbonate (PC), polyphenylene oxide (PPO), polyester (PET, PBT) and Polypropylene (PP) through chemical modification or blending.
In a preferred embodiment of the invention, the SEBS thermoplastic elastomer, the modified nano calcium carbonate, the thermoplastic polyurethane and the hydrophobic silica are mixed, heated to 120 ℃ and stirred for 30 minutes.
As a preferred embodiment of the invention, 3 parts of anti-aging agent, 5 parts of tackifier, 7 parts of bridging agent, 8 parts of dispersant, 3 parts of softener, 1 part of titanium dioxide, 4 parts of filling oil, 1 part of anti-ultraviolet agent and 1 part of modifier are added into a mixed reaction kettle to be heated to 150 ℃, and stirred for 40min at the rotating speed of 3000 r/min.
As a preferred embodiment of the present invention, a method for preparing a roof waterproof flexible material comprises the following steps:
the method comprises the following steps: mixing the SEBS thermoplastic elastomer, the modified nano calcium carbonate, the thermoplastic polyurethane and the hydrophobic silicon dioxide according to the ratio of 80:70:30:10, putting the mixture into a reaction kettle, heating to 120 ℃, and stirring for 30 minutes;
step two: cooling the mixed material in the first step to 50 ℃, adding an anti-aging agent, a tackifier, a bridging agent, a dispersing agent, a softening agent, titanium dioxide, filling oil, an anti-ultraviolet agent and a modifier into the reaction kettle mixed in the first step according to the proportion of 20:17:30: 8:6:4:9:3, heating to 150 ℃, stirring for 40min at the rotating speed of 3000r/min, and ensuring the pressure to be 0.8-1 MPa;
step three: cooling the mixed material in the step two to 20 ℃, and then conveying the mixed material to a granulator for granulation for later use;
step four: molding the materials mixed in the third step by a double-screw extruder, taking up the materials in a mold during the extrusion process to prepare a lower-layer material, placing the net woven by the flexible steel wires on a lower-layer screen plate, and then continuing to press the basic upper-layer material on the net woven by the flexible steel wires;
step five: and (3) covering and pressing the PE protective film on the bottom surface of the lower waterproof flexible material, and packaging and forming.
As a preferred embodiment of the present invention, the temperature of the extrusion temperature in the twin-screw extruder in the fourth step is 120 ℃, 130 ℃ or 140 ℃.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the upper surface layer, the middle layer, the lower surface layer and the protective film layer are adopted in the production process of the waterproof coiled material, and the middle layer is a net woven by flexible steel wires coated with an antirust coating, so that the tensile strength of the waterproof coiled material is improved, and the service life of the waterproof coiled material is prolonged.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of a production method of the roof waterproof flexible material.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present invention provides a technical solution: the roof waterproof flexible material comprises an upper surface layer, a middle layer, a lower surface layer and a protective film layer, wherein the upper surface layer and the lower surface layer are formed by combining the following materials: 12-18 parts of modified nano calcium carbonate, 3 parts of anti-aging agent, 5 parts of tackifier, 7 parts of bridging agent, 8 parts of dispersing agent, 3 parts of softening agent, 6 parts of heat insulation material, 30 parts of SEBS thermoplastic elastomer, 5 parts of hydrophobic silica, 5 parts of thermoplastic polyurethane, 1 part of titanium dioxide, 4 parts of filling oil, 1 part of anti-ultraviolet agent and 1 part of modifying agent;
the middle layer is a net woven by flexible steel wires coated with an antirust coating, and the protective film layer is a PE protective film.
In this embodiment, the modified nano calcium carbonate is prepared by the following steps: the carbonization method comprises the steps of calcining selected limestone to obtain calcium oxide and kiln gas to digest the calcium oxide, crushing the generated suspended calcium hydroxide under the action of high shear force, and performing multi-stage hydrocyclone separation to remove particles and impurities to obtain a refined calcium hydroxide suspension with a certain concentration; introducing CO2 gas, adding a proper crystal form control agent, and carbonizing to the end point to obtain calcium carbonate slurry with the required crystal form; and finally, carrying out dehydration, drying and surface treatment to obtain the nano calcium carbonate product.
In this embodiment, the tackifier is any one of hydrogenated rosin glycerol ester, hydrogenated rosin pentaerythritol ester, and rosin glycerol ester; the softener is any one of dibutyl fumarate, dioctyl fumarate and dibutyl maleate.
In this embodiment, the SEBS thermoplastic elastomer is prepared by mixing SEBS for toughening nylon (PA6), Polycarbonate (PC), polyphenylene oxide (PPO), polyester (PET, PBT) and Polypropylene (PP) through chemical modification or blending.
In this embodiment, the SEBS thermoplastic elastomer, the modified nano calcium carbonate, the thermoplastic polyurethane, and the hydrophobic silica are mixed, heated to 120 ℃, and stirred for 30 minutes.
In the embodiment, 3 parts of anti-aging agent, 5 parts of tackifier, 7 parts of bridging agent, 8 parts of dispersant, 3 parts of softener, 1 part of titanium dioxide, 4 parts of filling oil, 1 part of anti-ultraviolet agent and 1 part of modifier are added into a mixed reaction kettle, the temperature is raised to 150 ℃, and the mixture is stirred for 40min at the rotating speed of 3000 r/min.
In this embodiment, a preparation method of a roof waterproof flexible material includes the following steps:
the method comprises the following steps: mixing the SEBS thermoplastic elastomer, the modified nano calcium carbonate, the thermoplastic polyurethane and the hydrophobic silicon dioxide according to the ratio of 80:70:30:10, putting the mixture into a reaction kettle, heating to 120 ℃, and stirring for 30 minutes;
step two: cooling the mixed material in the first step to 50 ℃, adding an anti-aging agent, a tackifier, a bridging agent, a dispersing agent, a softening agent, titanium dioxide, filling oil, an anti-ultraviolet agent and a modifier into the reaction kettle mixed in the first step according to the proportion of 20:17:30: 8:6:4:9:3, heating to 150 ℃, stirring for 40min at the rotating speed of 3000r/min, and ensuring the pressure to be 0.8-1 MPa;
step three: cooling the mixed material in the step two to 20 ℃, and then conveying the mixed material to a granulator for granulation for later use;
step four: molding the materials mixed in the third step by a double-screw extruder, taking up the materials in a mold during the extrusion process to prepare a lower-layer material, placing the net woven by the flexible steel wires on a lower-layer screen plate, and then continuing to press the basic upper-layer material on the net woven by the flexible steel wires;
step five: and (3) covering and pressing the PE protective film on the bottom surface of the lower waterproof flexible material, and packaging and forming.
In this embodiment, the temperature of the three temperature zones of the twin-screw extruder in the fourth step is 120 ℃, 130 ℃, and 140 ℃.
When the roof waterproof flexible material is used, it is to be noted that the roof waterproof flexible material is a roof waterproof flexible material, each component is a universal standard component or a component known to those skilled in the art, and the structure and principle of the roof waterproof flexible material can be known to those skilled in the art through technical manuals or through routine experimental methods.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a roofing waterproof flexible material which characterized in that: the protective film comprises an upper surface layer, a middle layer, a lower surface layer and a protective film layer, wherein the upper surface layer and the lower surface layer are formed by combining the following materials: 12-18 parts of modified nano calcium carbonate, 3 parts of anti-aging agent, 5 parts of tackifier, 7 parts of bridging agent, 8 parts of dispersing agent, 3 parts of softening agent, 6 parts of heat insulation material, 30 parts of SEBS thermoplastic elastomer, 5 parts of hydrophobic silica, 5 parts of thermoplastic polyurethane, 1 part of titanium dioxide, 4 parts of filling oil, 1 part of anti-ultraviolet agent and 1 part of modifying agent;
the middle layer is a net woven by flexible steel wires coated with an antirust coating, and the protective film layer is a PE protective film.
2. The flexible waterproof roofing material of claim 1, wherein: the preparation method of the modified nano calcium carbonate comprises the following steps: the carbonization method comprises the steps of calcining selected limestone to obtain calcium oxide and kiln gas to digest the calcium oxide, crushing the generated suspended calcium hydroxide under the action of high shear force, and performing multi-stage hydrocyclone separation to remove particles and impurities to obtain a refined calcium hydroxide suspension with a certain concentration; introducing CO2 gas, adding a proper crystal form control agent, and carbonizing to the end point to obtain calcium carbonate slurry with the required crystal form; and finally, carrying out dehydration, drying and surface treatment to obtain the nano calcium carbonate product.
3. The flexible waterproof roofing material of claim 1, wherein: the tackifier is any one of hydrogenated rosin glyceride, hydrogenated rosin pentaerythritol ester and rosin glyceride; the softener is any one of dibutyl fumarate, dioctyl fumarate and dibutyl maleate.
4. The flexible waterproof roofing material of claim 1, wherein: the SEBS thermoplastic elastomer is prepared by mixing SEBS for toughening nylon (PA6), Polycarbonate (PC), polyphenylene oxide (PPO), polyester (PET, PBT) and Polypropylene (PP) through chemical modification or blending.
5. The flexible waterproof roofing material of claim 1, wherein: the SEBS thermoplastic elastomer, the modified nano calcium carbonate, the thermoplastic polyurethane and the hydrophobic silicon dioxide are mixed and then heated to 120 ℃, and stirring is carried out for 30 minutes.
6. The flexible waterproof roofing material of claim 5, wherein: adding 3 parts of anti-aging agent, 5 parts of tackifier, 7 parts of bridging agent, 8 parts of dispersing agent, 3 parts of softening agent, 1 part of titanium dioxide, 4 parts of filling oil, 1 part of anti-ultraviolet agent and 1 part of modifier into a mixed reaction kettle, heating to 150 ℃, and stirring for 40min at the rotating speed of 3000 r/min.
7. The preparation method of the roof waterproof flexible material according to claim 1, characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: mixing the SEBS thermoplastic elastomer, the modified nano calcium carbonate, the thermoplastic polyurethane and the hydrophobic silicon dioxide according to the ratio of 80:70:30:10, putting the mixture into a reaction kettle, heating to 120 ℃, and stirring for 30 minutes;
step two: cooling the mixed material in the first step to 50 ℃, adding an anti-aging agent, a tackifier, a bridging agent, a dispersing agent, a softening agent, titanium dioxide, filling oil, an anti-ultraviolet agent and a modifier into the reaction kettle mixed in the first step according to the proportion of 20:17:30: 8:6:4:9:3, heating to 150 ℃, stirring for 40min at the rotating speed of 3000r/min, and ensuring the pressure to be 0.8-1 MPa;
step three: cooling the mixed material in the step two to 20 ℃, and then conveying the mixed material to a granulator for granulation for later use;
step four: molding the materials mixed in the third step by a double-screw extruder, taking up the materials in a mold during the extrusion process to prepare a lower-layer material, placing the net woven by the flexible steel wires on a lower-layer screen plate, and then continuing to press the basic upper-layer material on the net woven by the flexible steel wires;
step five: and (3) covering and pressing the PE protective film on the bottom surface of the lower waterproof flexible material, and packaging and forming.
8. The flexible waterproof roofing material of claim 7, wherein: the temperature of three temperature zones extruded by the double-screw extruder in the fourth step is 120 ℃, 130 ℃ and 140 ℃.
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| CN202010956001.9A CN112356533A (en) | 2020-09-11 | 2020-09-11 | Roof waterproof flexible material |
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Cited By (1)
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| CN113121947A (en) * | 2021-04-26 | 2021-07-16 | 剑越高分子材料科技有限公司 | Thermoplastic rubber particles and preparation method thereof |
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