CN107586411B - High-puncture-strength high-polarity flame-retardant waterproof sheet and preparation method thereof - Google Patents
High-puncture-strength high-polarity flame-retardant waterproof sheet and preparation method thereof Download PDFInfo
- Publication number
- CN107586411B CN107586411B CN201710717500.0A CN201710717500A CN107586411B CN 107586411 B CN107586411 B CN 107586411B CN 201710717500 A CN201710717500 A CN 201710717500A CN 107586411 B CN107586411 B CN 107586411B
- Authority
- CN
- China
- Prior art keywords
- waterproof sheet
- density polyethylene
- flame
- linear low
- flame retardant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a high-puncture-strength high-polarity flame-retardant waterproof sheet and a preparation method thereof, wherein the waterproof sheet comprises the following raw materials in percentage by weight: 10-30% of high-density polyethylene; 0-10% of linear low-density polyethylene; 30-60% of metallocene-catalyzed linear low-density polyethylene; 10-20% of modified resin; 5-15% of a flame retardant; wherein the modified resin is a resin containing polar groups. The waterproof sheet material provided by the invention takes high-density polyethylene and metallocene-catalyzed linear low-density polyethylene as main body resins, and is supplemented with modified resin and a flame retardant, so that the prepared waterproof sheet material has high puncture resistance, excellent tensile property and elongation, flame retardance, improved polarity on the surface of the waterproof sheet material, increased surface energy and improved wettability, and further the bonding property between the waterproof sheet material and a glue layer is improved.
Description
Technical Field
The invention belongs to the technical field of underground waterproofing, and relates to a main material of a high-molecular self-adhesive film waterproof coiled material in the building waterproofing industry, in particular to a high-puncture-strength high-polarity flame-retardant waterproof sheet material, a preparation method thereof and a waterproof coiled material.
Background
In the prior art, the main structure of the underground waterproof engineering generally adopts waterproof concrete, and a main material layer of a waterproof material is usually laid on the upstream surface of the concrete structure. However, the following problems still exist:
(1) the main material of the high-molecular self-adhesive film waterproof coiled material is HDPE as a main material, and LDPE or LLDPE is used as an auxiliary material for toughening modification, and the high-molecular self-adhesive film waterproof coiled material is produced by extrusion. However, the surface polarity of polyolefin materials like PE, TPO and the like is extremely low, the surface energy of the prepared sheet is low, the wettability is poor, the adhesion of the hot melt pressure sensitive adhesive and the sheet is seriously affected, and the water leakage condition is caused.
(2) In the construction process, materials are damaged due to damage of hard objects such as steel bars or foundation settlement, and water leakage points are generated.
(3) HDPE itself is high and low temperature resistant very good, and the polymer self-adhesion glue film waterproofing membrane of production often is applied to different occasions, even uses special occasions such as nuclear power, nevertheless because the building site sometimes can use naked light, electric welding etc. occasionally, has potential safety hazards such as catching fire.
Chinese patent publication No. CN106285727A discloses an anti-sticking waterproof sheet, which comprises a waterproof sheet layer, a self-adhesive layer, and an anti-sticking coating film layer stacked in sequence, wherein the waterproof sheet layer is made of 20 to 40 parts by weight of high density polyethylene, 10 to 30 parts by weight of linear low density polyethylene, 10 to 20 parts by weight of metallocene polyethylene, 15 to 30 parts by weight of ethylene-vinyl acetate copolymer, and 15 to 30 parts by weight of ethylene-vinyl acetate copolymer modified polyethylene. However, the tensile strength of the waterproof sheet layer is only 24MPa, and the waterproof sheet layer is at risk of separating the sheet from the adhesive layer, has no fire resistance and has potential safety hazard.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a flame-retardant waterproof sheet with high puncture resistance and high polarity and a preparation method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme:
the flame-retardant waterproof sheet material with high puncture resistance and high polarity comprises the following raw materials in percentage by weight:
wherein the modified resin is a resin containing polar groups.
Preferably, the modified resin is one or a combination of more of maleic anhydride graft and chlorinated polyethylene.
More preferably, the modified resin is one or a combination of maleic anhydride grafted polyethylene and maleic anhydride grafted ethylene-vinyl acetate copolymer.
Further, the flame retardant is a bromine-antimony flame retardant system. The bromine-antimony flame retardant system adopts a closed high-speed coating mode to completely coat flame retardant microparticles, has the advantages of good dispersion with PE resin, good compatibility, uniform plasticization, capability of continuously producing non-blocking nets and the like, and can effectively improve the flame retardance of PE materials. Such as Guangzhou Qi raw New Material Co., Ltd, brand WT-S083.
Further, the high density polyethylene has a density of 945kg/m3～970kg/m3。
Further, the linear low density polyethylene has a density of 915kg/m3～945kg/m3。
Further, the metallocene-catalyzed linear low density polyethylene has a density of 915kg/m3～925kg/m3。
The invention adopts another technical scheme that: the preparation method of the flame-retardant waterproof sheet with high puncture strength and high polarity comprises the following steps:
(1) uniformly mixing the high-density polyethylene, the linear low-density polyethylene, the metallocene-catalyzed linear low-density polyethylene, the modified resin and the flame retardant according to a formula to obtain a mixture;
(2) and (2) melting and extruding the mixture prepared in the step (1) through a single-screw extruder, carrying out three-roller press polishing and forming, and flattening and shaping to obtain the waterproof sheet.
Further, the extrusion process parameters of the single-screw extruder are as follows: the temperature of the machine barrel of the main machine is 190-.
Further, the three-roller calendering molding process parameters are as follows: the set temperatures of the upper roller, the middle roller and the lower roller are respectively 45-55 ℃, 55-65 ℃ and 35-45 ℃. Preferably, the three-roller calendering molding process parameters are as follows: the set temperatures of the upper roller, the middle roller and the lower roller are respectively 50 ℃, 60 ℃ and 40 ℃.
Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:
the waterproof sheet material disclosed by the invention takes high-density polyethylene and metallocene-catalyzed linear low-density polyethylene as main resins, and is supplemented with modified resin and a flame retardant, so that the prepared waterproof sheet material has high puncture resistance, excellent tensile property and elongation, overcomes the non-fire-resistant characteristic of a common PE sheet material, improves the safety of construction site use, avoids risks, also improves the polarity of the surface of the waterproof sheet material, increases the surface energy, improves the wettability, further improves the bonding property of the waterproof sheet material and an adhesive layer, effectively avoids the risk of separation of the sheet material and the adhesive layer, improves the waterproof property of the material, and can play a role in toughening due to the addition of the modified resin in the raw material of the sheet material, thereby improving the flexibility of the waterproof sheet material.
According to the preparation method, a single-screw extruder is used for preparing the waterproof sheet with high puncture resistance, high surface energy and flame retardance through the procedures of material mixing, drying, extruding, three-roller matte shaping, flattening shaping, rolling and the like, and the preparation method is simple in process and easy to realize mass production. The sheet material is suitable for the waterproof field of underground engineering, can be well suitable for various complex underground environments, and is more convenient to construct due to hot-melt welding performance.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the present invention is not limited to the following examples. The raw materials used in the examples are commercially available.
Example 1
The present embodiment provides a high puncture strength, high polarity flame retardant waterproof sheet, the raw material composition and the amount of which are shown in table 1, wherein,
high Density Polyethylene (HDPE): the density is 948kg/m3HDPE with melt index of 10g/10min, from Qilu petrochemical company, and its trade mark is 6098.
Linear Low Density Polyethylene (LLDPE): using a density of 920kg/m3LLDPE having a melt index of 0.9g/10min, available from Shanghai Seiko Co under the designation 0209 AA.
Metallocene-catalyzed linear low density polyethylene (MLLDPE): with a density of 918kg/m3MLLDPE having a melt index of 1.0g/10min and available from Exxon Mobil under the trademark 3518.
Modified resin: the maleic anhydride grafted polyethylene is from Nanjing tough plastic LLC under the brand name MHDPE.
Flame retardant: the bromine-antimony flame-retardant system is from Guangzhou Qi raw new material Co., Ltd, and the brand is WT-S083.
The waterproof sheet is prepared by the following method:
(1) uniformly mixing the high-density polyethylene, the linear low-density polyethylene, the metallocene-catalyzed linear low-density polyethylene, the modified resin and the flame retardant according to a formula to obtain a mixture;
(2) setting corresponding process parameters according to a production process operation instruction, performing melt extrusion on the mixture prepared in the step (1) through a single-screw extruder, performing three-roller press polishing forming, flattening and shaping to obtain the waterproof sheet, wherein the extrusion process parameters of the single-screw extruder are as follows: the temperature of a machine barrel of the main machine is 190-; the three-roller press polish forming process parameters are as follows: the set temperatures of the upper roller, the middle roller and the lower roller are respectively 50 ℃, 60 ℃ and 40 ℃.
Example 2
This example provides a high puncture strength, high polarity flame retardant waterproof sheet, which is prepared from the following raw materials, except for the following raw materials, the raw materials are selected from the same example 1, the amounts of the components are shown in table 1, wherein,
high Density Polyethylene (HDPE): the density is 950kg/m3And HDPE with a melt index of 0.8-1.2g/10min, available from Lanzhou petrochemical company, and having a designation of 5000S.
Linear Low Density Polyethylene (LLDPE): using a density of 920kg/m3LLDPE with a melt index of 1.8g/10min, from Lanzhou petrochemical company, under the designation 7042.
Metallocene-catalyzed linear low density polyethylene (MLLDPE): the density is 927kg/m3MLLDPE having a melt index of 1.3g/10min and available from Exxon Mobil, Inc. under the trademark 1327 HA.
Modified resin: the maleic anhydride grafted ethylene-vinyl acetate copolymer is from Nanjing plastitai polymer science and technology Limited and has the brand name of EVA-G-3.
The waterproof sheet was prepared in the same manner as in example 1.
Example 3
This example provides a high puncture strength, high polarity flame retardant waterproof sheet, which is prepared from the following raw materials, except for the following raw materials, the raw materials are selected from the same example 1, the amounts of the components are shown in table 1, wherein,
modified resin: chlorinated polyethylene, available from Weifang Yaxing chemical Co., Ltd., brand No. 5236.
The waterproof sheet was prepared in the same manner as in example 1.
Example 4
This example provides a high puncture strength, high polarity flame retardant waterproof sheet, which is prepared from the following raw materials, except for the following raw materials, the raw materials are selected from the same example 1, the amounts of the components are shown in table 1, wherein,
modified resin: the mass ratio of the maleic anhydride grafted PE to the maleic anhydride grafted EVA is 1: 1.
The waterproof sheet was prepared in the same manner as in example 1.
Comparative example 1
This comparative example provides a water-resistant sheet having the same raw material selection as in example 1, and the amounts of the respective components are shown in Table 1.
Comparative example 2
This comparative example provides a water-resistant sheet having the same raw material selection as in example 1, and the amounts of the respective components are shown in Table 1.
Comparative example 3
This comparative example provides a waterproof sheet, which was prepared in the same manner as in example 1 except that the modified resin was used in the amounts shown in Table 1.
The modified resin used in this example was an ethylene-vinyl acetate copolymer (Yangzhinized BASF V5110J).
Comparative example 4
This comparative example provides a water-resistant sheet, in which the flame retardant was aluminum hydroxide, and the other raw materials were selected in the same manner as in example 1, and the amounts of the respective components are shown in Table 1.
Table 1 shows the compositions (in% by weight) of the raw materials of examples 1 to 4 and comparative examples 1 to 4
| Raw material components | Example 1 | Example 2 | Example 3 | Example 4 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 |
| HDPE | 20 | 15 | 15 | 25 | 30 | 20 | 20 | 20 |
| LLDPE | 5 | 10 | 10 | 0 | 5 | 5 | 5 | 5 |
| MLLDPE | 50 | 57 | 50 | 50 | 55 | 35 | 50 | 50 |
| Modified resin | 15 | 10 | 15 | 10 | 0 | 30 | 15 | 15 |
| Flame retardant | 10 | 8 | 10 | 15 | 10 | 10 | 10 | 10 |
Performance testing
The waterproof sheets of examples 1 to 4 and comparative examples 1 to 4 were subjected to performance tests, and the results are shown in table 2.
Test methods reference:
(1) dyne values were tested using an Arcotest dyne pen, and a line was drawn on the experimental sheet and shrinkage was observed within 3 seconds. If the contraction is faster, the dyne pen with the small label is changed for continuous testing; if no shrinkage, the Dain pen with large label is replaced for testing.
(2) Tensile strength and elongation: testing according to ASTM D412 dumbbell type.
(3) Impact resistance: the impact resistance test specified in GB/T23457-2009 pre-laid waterproofing membrane.
(4) Flame retardancy: the test is carried out according to the vertical method of GB/T2408-2008 'determination of plastic combustion performance horizontal method and vertical method'.
Table 2 shows the results of the performance test of the waterproof sheets of examples 1 to 4 and comparative examples 1 to 4
The present invention is described in detail in order to make those skilled in the art understand the content and practice the invention, and the invention is not limited to the above embodiments, and all equivalent changes or modifications made according to the spirit of the invention should be covered by the scope of the invention.
Claims (7)
1. The flame-retardant waterproof sheet material with high puncture resistance and high polarity is characterized in that the waterproof sheet material comprises the following raw materials in percentage by weight:
10-30% of high-density polyethylene;
0-10% of linear low-density polyethylene;
30-60% of metallocene-catalyzed linear low-density polyethylene;
10-20% of modified resin;
5-15% of a flame retardant;
wherein the modified resin is a resin containing polar groups;
the modified resin is one or a combination of more of maleic anhydride graft and chlorinated polyethylene;
the maleic anhydride graft is maleic anhydride grafted polyethylene or a mixture of maleic anhydride grafted polyethylene and maleic anhydride grafted ethylene-vinyl acetate copolymer in a mass ratio of 1: 1;
the flame retardant is a bromine-antimony flame retardant system.
2. The flame-retardant waterproof sheet with high puncture strength and high polarity as claimed in claim 1, wherein: the high density polyethylene has a density of 945kg/m3~970kg/m3。
3. The flame-retardant waterproof sheet with high puncture strength and high polarity as claimed in claim 1, wherein: the linear low density polyethylene has a density of 915kg/m3~945kg/m3。
4. The flame-retardant waterproof sheet with high puncture strength and high polarity as claimed in claim 1, wherein: the density of the metallocene-catalyzed linear low-density polyethylene is 915kg/m3~925kg/m3。
5. The preparation method of the high puncture strength and high polarity flame retardant waterproof sheet according to any one of claims 1 to 4, wherein the preparation method comprises the following steps:
(1) uniformly mixing the high-density polyethylene, the linear low-density polyethylene, the metallocene-catalyzed linear low-density polyethylene, the modified resin and the flame retardant according to a formula to obtain a mixture;
(2) and (2) melting and extruding the mixture prepared in the step (1) through a single-screw extruder, carrying out three-roller press polishing and forming, and flattening and shaping to obtain the waterproof sheet.
6. The preparation method of the high puncture strength high polarity flame retardant waterproof sheet material according to claim 5, characterized in that: the single screw extruder has the following extrusion technological parameters: the temperature of the machine barrel of the main machine is 190-.
7. The preparation method of the high puncture strength high polarity flame retardant waterproof sheet material according to claim 5, characterized in that: the three-roller calendering molding process parameters are as follows: the set temperatures of the upper roller, the middle roller and the lower roller are respectively 45-55 ℃, 55-65 ℃ and 35-45 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710717500.0A CN107586411B (en) | 2017-08-21 | 2017-08-21 | High-puncture-strength high-polarity flame-retardant waterproof sheet and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710717500.0A CN107586411B (en) | 2017-08-21 | 2017-08-21 | High-puncture-strength high-polarity flame-retardant waterproof sheet and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107586411A CN107586411A (en) | 2018-01-16 |
| CN107586411B true CN107586411B (en) | 2020-12-08 |
Family
ID=61042577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710717500.0A Active CN107586411B (en) | 2017-08-21 | 2017-08-21 | High-puncture-strength high-polarity flame-retardant waterproof sheet and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107586411B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108485047A (en) * | 2018-03-26 | 2018-09-04 | 铁科腾跃科技有限公司 | A kind of environment-friendly type EVA waterproof rolls and preparation method |
| CN108395606A (en) * | 2018-04-18 | 2018-08-14 | 厦门力嘉诚防水工程有限公司 | A kind of graphene fire-resistant waterproof plate |
| CN108976543A (en) * | 2018-05-31 | 2018-12-11 | 重庆绿建盒子创新科技有限公司 | A kind of nonflammable modified poly ethylene heat insulating and sound insulating coiled material and preparation method thereof |
| CN108822383A (en) * | 2018-06-13 | 2018-11-16 | 宁波市来得顺轨道高新材料有限公司 | A kind of shock resistance waterproof sheet and preparation method thereof |
| CN111825904B (en) * | 2019-04-17 | 2022-10-04 | 国家能源投资集团有限责任公司 | Polyethylene composition capable of being processed and formed, preparation method thereof and polyethylene product |
| CN110228253B (en) * | 2019-06-12 | 2021-04-20 | 江苏凯伦建材股份有限公司 | Flame-retardant puncture-resistant high-barrier sheet material and preparation method thereof |
| CN110640987A (en) * | 2019-08-15 | 2020-01-03 | 安吉县松森木竹工艺有限公司 | Manufacturing process of HDPE micro-foaming extrusion molding plate |
| CN110607035A (en) * | 2019-09-29 | 2019-12-24 | 广州大禹防漏技术开发有限公司 | Modified chlorinated polyethylene material and composite waterproof roll containing same |
| CN112194852A (en) * | 2020-09-22 | 2021-01-08 | 江苏金陵奥普特高分子材料有限公司 | TPV (thermoplastic vulcanizate) elastomer for high-puncture-strength rolled film and preparation method thereof |
| CN113493583A (en) * | 2021-04-25 | 2021-10-12 | 深圳市卓宝科技股份有限公司 | Composition for improving root puncture resistance of coiled material |
| CN113682015A (en) * | 2021-07-28 | 2021-11-23 | 金旸（厦门）新材料科技有限公司 | Composite waterproof coiled material and preparation method thereof |
| CN113969113B (en) * | 2021-09-30 | 2022-08-12 | 建国伟业防水科技望都有限公司 | High-strength flame-retardant high-molecular self-adhesive film pre-laid anti-sticking waterproof coiled material and preparation method thereof |
| CN113956558B (en) * | 2021-10-18 | 2022-12-02 | 南通科顺建筑新材料有限公司 | High-density polyethylene waterproof coiled material basement membrane, preparation method thereof and high-density polyethylene waterproof coiled material |
| CN114085448B (en) * | 2021-12-23 | 2022-11-18 | 南通科顺建筑新材料有限公司 | High-temperature-resistant waterproof coiled material sizing material composition, high-temperature-resistant waterproof coiled material sizing material, and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1616923A1 (en) * | 2004-07-13 | 2006-01-18 | Tarkett SAS | Rubber-polyolefin surface covering |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186133B (en) * | 2007-11-01 | 2010-06-02 | 衡水中铁建土工材料制造有限公司 | Polymer composite heat resisting waterproof sheet and preparation method thereof |
| CN101624834A (en) * | 2009-07-30 | 2010-01-13 | 天津市耀新科技发展有限公司 | Antiflaming puncture-resisting water-proof sheet and manufacturing method thereof |
| CN101812195B (en) * | 2010-04-03 | 2012-09-26 | 大连盖特科技发展有限公司 | Preparation of low-carbon energy-saving modified polyethylene waterproof special material |
| CN106279881B (en) * | 2016-08-10 | 2018-12-25 | 北京东方雨虹防水技术股份有限公司 | A kind of high-impact waterproof sheet and preparation method thereof |
-
2017
- 2017-08-21 CN CN201710717500.0A patent/CN107586411B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1616923A1 (en) * | 2004-07-13 | 2006-01-18 | Tarkett SAS | Rubber-polyolefin surface covering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107586411A (en) | 2018-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107586411B (en) | High-puncture-strength high-polarity flame-retardant waterproof sheet and preparation method thereof | |
| CN103059763B (en) | Bidirectional stretching polypropylene film for hot binding compounding, and its preparation method | |
| CN114085448B (en) | High-temperature-resistant waterproof coiled material sizing material composition, high-temperature-resistant waterproof coiled material sizing material, and preparation method and application thereof | |
| CN107793627A (en) | A kind of heat-shrinkable T bush and preparation method thereof | |
| CN104004271A (en) | Low-temperature-resistant polypropylene special material | |
| CN105367883B (en) | A kind of micro- cross-linking low smoke halogen-free fire retardant polyolefin cable material and preparation method thereof | |
| CN111154427B (en) | Aluminum ceiling glue film structure and aluminum ceiling structure thereof | |
| US8586676B2 (en) | Polymer compositions and articles made therefrom | |
| CN111117524B (en) | Adhesive resin for aluminum ceiling | |
| CN103819793A (en) | Method for preparing high-impact-resisting high-strength high-capacity hollow plastic bucket | |
| CN110483873A (en) | High temperature resistant high-density polyethylene geomembrane and preparation method thereof | |
| CN109651693A (en) | Micro- interpenetrating networks crosslinking type low-smoke halogen-free flame-retardant CABLE MATERIALS and preparation method thereof | |
| CN105856764B (en) | Light guide plate high-temperature-resistant, tensile stretches co-extrusion film | |
| CN109627622B (en) | Ultrahigh-flow high-impact weather-resistant ASA co-extrusion material and preparation method thereof | |
| US20230366204A1 (en) | Coatings for roofing materials and related methods | |
| CN113621196B (en) | Polyethylene strong cross membrane, preparation method and application thereof | |
| CN110293726B (en) | Thermoplastic polyolefin waterproof coiled material and preparation method thereof | |
| CN107082971A (en) | A kind of flame retardant type PVC waterproof rolls | |
| CN104725706A (en) | Polyethylene pipe color marking color strip | |
| KR20200061929A (en) | Resin composition for preparing sheet with adhesive property | |
| CN104592617B (en) | Ultrahigh molecular weight polyethylene pipe with long-acting anti-static property and flame retardant property and preparation method thereof | |
| CN103012936A (en) | Thermoplastic anti-scraping and anti-wearing halogen-free low-smoke inflaming retarding polyolefin cable material | |
| CN112109397A (en) | Flame-retardant SBS (styrene butadiene styrene) modified asphalt waterproof coiled material and preparation method thereof | |
| CN116515418B (en) | Polymer pre-laid waterproof coiled material, preparation method thereof and hot melt adhesive film | |
| CN112480845B (en) | Adhesive for heat insulation tile and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |