CN114044949A - Flame-retardant TPO waterproof coiled material and preparation process thereof - Google Patents

Flame-retardant TPO waterproof coiled material and preparation process thereof Download PDF

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Publication number
CN114044949A
CN114044949A CN202111545662.3A CN202111545662A CN114044949A CN 114044949 A CN114044949 A CN 114044949A CN 202111545662 A CN202111545662 A CN 202111545662A CN 114044949 A CN114044949 A CN 114044949A
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parts
coiled material
waterproof coiled
flame
mixture
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刘冠麟
李再参
刘光宗
樊哲新
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Yunnan Xincheng Waterproof Technology Co Ltd
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Yunnan Xincheng Waterproof Technology Co Ltd
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    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2309/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08J2309/02—Copolymers with acrylonitrile
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08J2323/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C08J2323/22—Copolymers of isobutene; butyl rubber
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/10—Homopolymers or copolymers of propene
    • C08J2423/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
    • 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
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/2224—Magnesium hydroxide
    • 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
    • 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
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • 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
    • C08K3/38—Boron-containing compounds
    • C08K2003/387—Borates
    • 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
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay

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  • Health & Medical Sciences (AREA)
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  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
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Abstract

The invention relates to the technical field of waterproofing, in particular to a flame-retardant TPO (thermoplastic polyolefin) waterproof coiled material and a preparation process thereof. The flame-retardant TPO waterproof coiled material comprises the following components in parts by mass: 40-60 parts of rubber, 15-35 parts of thermoplastic polyolefin synthetic resin, 15-25 parts of a flame retardant, 10-25 parts of a modified filler, 0.1-0.5 part of an antioxidant, 2-5 parts of a defoaming agent and 1-3 parts of pottery clay. The preparation process of the TPO waterproof coiled material comprises the following steps: s1, mixing the prepared raw materials according to the weight part of the formula, putting the mixture into a stirring device, feeding the mixture into a feeding machine, and then feeding the mixture into a hot air drying device for drying; s2, melting, plasticizing and extruding for molding; s3 shaping into a sheet; s4 traction cooling, deviation rectifying, edge cutting, cutting and winding. Aiming at the defects of the prior art, the waterproof coiled material prepared by the process can reduce the probability of fire during construction, and is safe and environment-friendly.

Description

Flame-retardant TPO waterproof coiled material and preparation process thereof
Technical Field
The invention relates to the technical field of waterproofing, in particular to a flame-retardant TPO (thermoplastic polyolefin) waterproof coiled material and a preparation process thereof.
Background
The TPO waterproof coiled material is a new environment-friendly high-molecular waterproof material, and has been widely accepted due to excellent physical and mechanical properties, reliable installation and excellent performance proved by long-term use. In the single-layer roof waterproof system, the TPO waterproof coiled material has excellent weather resistance and low-temperature performance of EPDM waterproof coiled material and excellent welding construction performance of PVC waterproof coiled material, does not contain chlorine element and plasticizer, and does not generate harmful volatile matters in the processing process, so the TPO waterproof coiled material has long-term weather resistance, thermal stability and the like. Since the Oxygen Index (OI) of TPO is only 18%, TPO itself is flammable and produces dripping and fuming phenomena during combustion.
When the TPO waterproof coiled material is constructed, two modes of mechanical fixing and hot air welding are generally adopted, but the mechanical fixing effect is poor, the lap joint edge of the coiled material is difficult to be completely fixed without a gap, and therefore the hot air welding is the mainstream construction mode. But the coiled material easily causes the fire risk under high temperature state during hot-blast welding, TPO roofing waterproofing membrane is for exposing the use moreover, and the hidden danger that arouses the conflagration because the waterproof layer is latent, consequently, the research and development of the green fire-retardant waterproofing membrane of TPO has become the problem that awaits a urgent need to solve today.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the flame-retardant TPO waterproof coiled material and the preparation process thereof.
The technical scheme of the invention is realized as follows: the flame-retardant TPO waterproof coiled material is characterized by comprising the following components in parts by mass: 40-60 parts of rubber, 15-35 parts of thermoplastic polyolefin synthetic resin, 15-25 parts of a flame retardant, 10-25 parts of a modified filler, 0.1-0.5 part of an antioxidant, 2-5 parts of a defoaming agent and 1-3 parts of pottery clay.
Preferably, the flame retardant is one or more of magnesium hydroxide, aluminum hydroxide, magnesium carbonate hydrate, decabromodiphenylethane, zinc borate and antimony oxide.
The modified filler is one or more of nano calcium carbonate, calcite and talcum powder.
The antioxidant is one or more of hindered phenol antioxidant, aromatic amine antioxidant, thioester antioxidant and phosphite antioxidant.
Preferably, the thermoplastic polyolefin synthetic resin includes one or more of polypropylene, polyethylene, high density polyethylene, and linear low density polyethylene.
Preferably, the rubber comprises one or more of ethylene propylene diene monomer, butadiene acrylonitrile rubber or butyl rubber.
The invention also discloses a preparation process of the flame-retardant TPO waterproof coiled material, which is characterized by comprising the following steps of:
s1), mixing the raw materials prepared according to the weight part of the formula, putting the mixture into a stirring device, conveying the mixture into a feeding machine, conveying the mixture into a hot air drying device for drying, and conveying the dried mixture to a feeding buffer bin through a feeding machine;
s2), delivering the dried material to an extrusion device for melt plasticizing and extrusion molding, wherein the extrusion temperature is 185-220 ℃;
s3), sizing the material melted in the step S2 into a sheet material through a calender, and controlling the temperature through a temperature control device in the sizing process;
s4), drawing and cooling the product sheet in the S3, rectifying deviation, cutting edges, cutting, rolling and packaging to prepare the finished waterproof coiled material.
The stirring device is a stirrer, the hot air drying device is a hot air dryer, and the extruding device is a double-screw extruder.
The invention solves the defects in the background technology and has the following beneficial effects:
the invention provides a flame-retardant TPO waterproof coiled material and a preparation process thereof. The TPO waterproof coiled material disclosed by the invention not only has the weldability of polypropylene and excellent high and low temperature resistance, but also can still maintain the mechanical strength at a higher temperature, and the modified filler with better filling performance and the flame-retardant mixture with excellent flame-retardant performance, which are suitable for a TPO coiled material system, are added, and the antioxidant and the defoaming agent are matched to be used, so that the weather resistance of the product is ensured, the flame-retardant performance of the prepared waterproof coiled material is good, and the grade of the combustion performance reaches the non-combustible grade, so that the hot air welding can be adopted, the joint combination is firm, the sealing is tight, and the installation is reliable and rapid.
Detailed Description
Example 1
The flame-retardant TPO waterproof coiled material comprises the following components in parts by mass: 20 parts of ethylene propylene diene monomer, 30 parts of nitrile rubber, 15 Parts of Polypropylene (PP), 15 parts of High Density Polyethylene (HDPE), 5 parts of magnesium hydroxide, 10 parts of aluminum hydroxide, 5 parts of zinc borate, 15 parts of nano calcium carbonate, 0.3 part of antioxidant, 3 parts of defoaming agent and 2 parts of argil.
The preparation method of the preparation process of the flame-retardant TPO waterproof coiled material comprises the following steps:
s1), mixing the raw materials prepared according to the weight part of the formula, putting the mixture into a stirrer, conveying the mixture into a feeding machine, conveying the mixture into a hot air dryer for drying, and conveying the dried mixture to a feeding buffer bin through a feeding machine;
s2), delivering the dried material to a double-screw extruder for melt plasticizing and extrusion molding, wherein the extrusion temperature is 185-220 ℃;
s3), sizing the material melted in the step S2 into a sheet material through a calender, and controlling the temperature through a temperature control device in the sizing process;
s4), drawing and cooling the product sheet in the S3, rectifying deviation, cutting edges, cutting, rolling and packaging to prepare the finished waterproof coiled material.
The implementation process of the invention is as follows: the TPO waterproof coiled material disclosed by the invention not only has the weldability of polypropylene and excellent high and low temperature resistance, but also can still maintain the mechanical strength at a higher temperature, and the modified filler with better filling performance and the flame-retardant mixture with excellent flame-retardant performance, which are suitable for a TPO coiled material system, are added, and the antioxidant and the defoaming agent are matched to be used, so that the weather resistance of the product is ensured, the flame-retardant performance of the prepared waterproof coiled material is good, and the grade of the combustion performance reaches the non-combustible grade, so that the hot air welding can be adopted, the joint combination is firm, the sealing is tight, and the installation is reliable and rapid.
Example 2
The flame-retardant TPO waterproof coiled material comprises the following components in parts by mass: 20 parts of ethylene propylene diene monomer, 20 parts of butyl rubber, 10 parts of Polyethylene (PE), 10 parts of Linear Low Density Polyethylene (LLDPE), 5 parts of magnesium carbonate hydrate, 5 parts of aluminum hydroxide, 5 parts of antimony trioxide, 10 parts of talcum powder, 0.1 part of antioxidant, 2 parts of defoaming agent and 1 part of argil.
The preparation method of the preparation process of the flame-retardant TPO waterproof coiled material comprises the following steps:
s1), mixing the raw materials prepared according to the weight part of the formula, putting the mixture into a stirrer, conveying the mixture into a feeding machine, conveying the mixture into a hot air dryer for drying, and conveying the dried mixture to a feeding buffer bin through a feeding machine;
s2), delivering the dried material to a double-screw extruder for melt plasticizing and extrusion molding, wherein the extrusion temperature is 185-220 ℃;
s3), sizing the material melted in the step S2 into a sheet material through a calender, and controlling the temperature through a temperature control device in the sizing process;
s4), drawing and cooling the product sheet in the S3, rectifying deviation, cutting edges, cutting, rolling and packaging to prepare the finished waterproof coiled material.
Example 3
The flame-retardant TPO waterproof coiled material comprises the following components in parts by mass: 30 parts of ethylene propylene diene monomer, 30 parts of butyl rubber, 15 Parts of Polypropylene (PP), 20 parts of Polyethylene (PE), 10 parts of decabromodiphenylethane, 5 parts of aluminum hydroxide, 10 parts of antimony oxide, 25 parts of nano calcium carbonate, 0.5 part of antioxidant, 5 parts of defoaming agent and 3 parts of argil.
The preparation method of the preparation process of the flame-retardant TPO waterproof coiled material comprises the following steps:
s1), mixing the raw materials prepared according to the weight part of the formula, putting the mixture into a stirrer, conveying the mixture into a feeding machine, conveying the mixture into a hot air dryer for drying, and conveying the dried mixture to a feeding buffer bin through a feeding machine;
s2), delivering the dried material to a double-screw extruder for melt plasticizing and extrusion molding, wherein the extrusion temperature is 185-220 ℃;
s3), sizing the material melted in the step S2 into a sheet material through a calender, and controlling the temperature through a temperature control device in the sizing process;
s4), drawing and cooling the product sheet in the S3, rectifying deviation, cutting edges, cutting, rolling and packaging to prepare the finished waterproof coiled material.
Comparative test example:
the samples of the embodiments 1-3 are used as the embodiment, the common TPO waterproof coiled material purchased in the existing market is used as the comparative example, and the oxygen index, the combustion grade and the mechanical property of the coiled material are respectively tested through the performance test. Evaluating the combustion grade according to the combustion performance grading of building materials and products (GB 8624-2012); the results are shown in table 1:
TABLE 1
Figure BDA0003412857260000051
The test result shows that: compared with the common TPO waterproof coiled material in the comparative example, the flame-retardant TPO waterproof coiled material has the advantages that the flame-retardant performance is greatly improved, and other mechanical properties are obviously enhanced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. The flame-retardant TPO waterproof coiled material is characterized by comprising the following components in parts by mass: 40-60 parts of rubber, 15-35 parts of thermoplastic polyolefin synthetic resin, 15-25 parts of a flame retardant, 10-25 parts of a modified filler, 0.1-0.5 part of an antioxidant, 2-5 parts of a defoaming agent and 1-3 parts of pottery clay.
2. The flame retardant TPO waterproofing membrane according to claim 1, characterized in that: the flame retardant is one or more of magnesium hydroxide, aluminum hydroxide, magnesium carbonate hydrate, decabromodiphenylethane, zinc borate and antimony oxide.
3. The flame retardant TPO waterproofing membrane according to claim 1, characterized in that: the modified filler is one or more of nano calcium carbonate, calcite and talcum powder.
4. The flame retardant TPO waterproofing membrane according to claim 1, characterized in that: the antioxidant is one or more of hindered phenol antioxidant, aromatic amine antioxidant, thioester antioxidant and phosphite antioxidant.
5. The flame retardant TPO waterproofing membrane according to claim 1, characterized in that: the thermoplastic polyolefin synthetic resin includes one or more of polypropylene, polyethylene, high density polyethylene, linear low density polyethylene.
6. The preparation process of the flame-retardant TPO waterproof roll according to claim 1, which is characterized in that: the rubber comprises one or more of ethylene propylene diene monomer rubber, butadiene acrylonitrile rubber or butyl rubber.
7. The preparation process of the flame retardant type TPO waterproof coiled material based on any one of claims 1 to 6 is characterized by comprising the following steps:
s1), mixing the raw materials prepared according to the weight part of the formula, putting the mixture into a stirring device, conveying the mixture into a feeding machine, conveying the mixture into a hot air drying device for drying, and conveying the dried mixture to a feeding buffer bin through a feeding machine;
s2), delivering the dried material to an extrusion device for melt plasticizing and extrusion molding, wherein the extrusion temperature is 185-220 ℃;
s3), sizing the material melted in the step S2 into a sheet material through a calender, and controlling the temperature through a temperature control device in the sizing process;
s4), drawing and cooling the product sheet in the S3, rectifying deviation, cutting edges, cutting, rolling and packaging to prepare the finished waterproof coiled material.
8. The preparation process of the flame retardant type TPO waterproof roll according to claim 7, wherein the stirring device is a stirrer, the hot air drying device is a hot air dryer, and the extruding device is a twin-screw extruder.
CN202111545662.3A 2021-12-15 2021-12-15 Flame-retardant TPO waterproof coiled material and preparation process thereof Pending CN114044949A (en)

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Cited By (2)

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CN116496723A (en) * 2023-05-17 2023-07-28 四川金兴邑都建筑材料有限公司 Preparation method of adhesive special for TPO waterproof material
CN117659882A (en) * 2023-12-25 2024-03-08 北京宇阳泽丽防水材料有限责任公司 High-flame-retardance long-service-life thermoplastic polyolefin waterproof coiled material and preparation method thereof

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CN107379702A (en) * 2017-07-20 2017-11-24 南通睿睿防水新技术开发有限公司 A kind of fire-resistant waterproof coiled material
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CN108081711A (en) * 2017-11-21 2018-05-29 广西武宣金牌防水材料科技有限公司 Flame retarded thermoplastic's polyolefin TPO waterproof rolls and preparation method thereof
CN108976604A (en) * 2018-08-07 2018-12-11 广州华新科智造技术有限公司 A kind of high-adhesive-strength TPO waterproof roll and preparation method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116496723A (en) * 2023-05-17 2023-07-28 四川金兴邑都建筑材料有限公司 Preparation method of adhesive special for TPO waterproof material
CN117659882A (en) * 2023-12-25 2024-03-08 北京宇阳泽丽防水材料有限责任公司 High-flame-retardance long-service-life thermoplastic polyolefin waterproof coiled material and preparation method thereof

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