CN104277333A - Low-temperature-resistant and flame-retardant modified geogrid and preparation method thereof - Google Patents
Low-temperature-resistant and flame-retardant modified geogrid and preparation method thereof Download PDFInfo
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- CN104277333A CN104277333A CN201410575584.5A CN201410575584A CN104277333A CN 104277333 A CN104277333 A CN 104277333A CN 201410575584 A CN201410575584 A CN 201410575584A CN 104277333 A CN104277333 A CN 104277333A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- 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
- 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
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- 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
- 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
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2314/00—Polymer mixtures characterised by way of preparation
- C08L2314/06—Metallocene or single site catalysts
Abstract
The invention relates to a low-temperature-resistant and flame-retardant modified geogrid prepared by processing the following raw materials in parts by weight: 40-50 parts of PP, 20-30 parts of EVA, 30-40 parts of MLLDPE, 10-20 parts of POE, 10-15 parts of maleic anhydride grafted PE, 1-2 parts of SEBS, 3-5 parts of decabromodiphenyl ethane, 0.2-0.5 part of 2,6-ditert-butyl-4-methyl phenol, 5-10 parts of calcium carbonate and 5-8 parts of modified carbon black master batches. The preparation method of the low-temperature-resistant and flame-retardant modified geogrid comprises the steps of mixing all the materials in the formula, and extruding to obtain a melt; forming a plate from the melt by using a three-roll calendar; punching the plate by using a punching machine; and stretching after heating the pore plate to obtain the geogrid. The raw materials in the formula are modified, so that the geogrid which is resistant to low temperature, good in flame retardance as well as high in strength and toughness is obtained.
Description
technical field
The present invention relates to the manufacture of geo-grid, be specifically related to a kind of low temperature resistant flame retardant modified geogrid and preparation method.
Background technology
Along with the development of geosynthetics industry, increasing geo-grid product has pushed market to, and the main competition of geo-grid is exactly product performance and Costco Wholesale competition.Because polypropylene geogrid field is extensive with use region, therefore geo-grid is required that it has multiple performance.But only realizing these performances by a kind of polymkeric substance is be difficult to realize, and therefore needs to carry out to geo-grid formula the inexorable trend that modification becomes this industry.Being a kind of general and effective means preparing fiber reinforcement in high performance material, strengthening fiber used and being generally glass fibre, carbon fiber etc.The resin tooth successful obtained by these fiber filled, can make the geo-grid of same size thinner.But after using glass fibre and carbon fiber, the tensile elongation of polymkeric substance has again very large decline, cause geo-grid to stretch very short, product weight per unit area rises, and production cost is increased on the contrary, is unfavorable for the object reaching cost degradation.
In geo-grid, add the fillers such as modified carbon black, acidproof, alkaline-resisting, corrosion-resistant and ageing resistance preferably can be made it have, improve resistance to impact shock and tensile strength.
Summary of the invention
The invention provides a kind of low temperature resistant flame retardant modified geogrid and preparation method.The present invention by the raw-material modification of formula, thus obtain having low temperature resistant, flame retardant properties good, the geo-grid that intensity is high, toughness is large.
Technical scheme that the present invention adopts is as follows:
A kind of low temperature resistant flame retardant modified geogrid, it is characterized in that, obtained by the component Raw material processing of following weight part: PP 40-50, EVA 20-30, MLLDPE 30-40, POE 10-20, maleic anhydride graft PE 10-15, SEBS 1-2, TDE 3-5,2,6-ditertbutylparacresol 0.2-0.5, calcium carbonate 5-10, modified carbon black masterbatch 5-8
The preparation method of described modified carbon black masterbatch: (1) takes polyethylene 30-40, polypropylene 10-20, carbon black 40-50, acrylate 0.2-1.5, zinc oxide 0.1-0.4, irgasfos 168 0.1-0.3, protective agent 0.1-0.3, kerosene 0.5-1.0, flyash 1-3, the pungent decylate 3-5 of Polyglycerine, talcum powder 4-6 by weight; (2) load weighted carbon black, acrylate, zinc oxide are added in stirrer, fully mix at the temperature of 60 DEG C-180 DEG C, obtain mixture A; (3) all the other feed composition such as polyethylene, polypropylene, talcum powder, antioxidant 1010, protective agent, white oil, flyash, the pungent decylate of Polyglycerine are dropped into successively homogenizer high speed and stir 3-5 minute, obtain mixture material B; (4) obtaining blend after being mixed by A and B joins in twin screw extruder, and screw speed is 80-130 rpm, and heating barrel zone temperature 180-200 DEG C melt extrudes, cooling, granulation.
The preparation method of described low temperature resistant flame retardant modified geogrid, is characterized in that, comprise the following steps:
(1) each component raw material is taken by formula rate;
(2) PP taken, MLLDPE, POE, SEBS, maleic anhydride graft PE are added in Banbury mixer, at 140 DEG C of-160 DEG C of melting mixings, obtain mixing materials;
(3) by mixing materials and TDE, 2,6-ditertbutylparacresol, calcium carbonate mix, then send in the loading hopper of tablets press, open tablets press, the rotating speed controlling tablets press is 240-330r/min, control feed cylinder of granulator front portion, middle part, rear portion and head temperature be respectively: 225 ~ 235 DEG C, 220 ~ 225 DEG C, 210 ~ 215 DEG C, 230 ~ 235 DEG C, the material extruded from tablets press through water-cooled, pelletizing, sieve, drying, namely obtain mixing materials A;
(4) after dried mixing materials A being mixed with modified carbon black masterbatch, extruded at lower than 225 DEG C of temperature by forcing machine again, melt is by three-roller calendar sheet forming, sheet material uses mould to carry out punching through stamping machine, orifice plate, through being warmed up to 90 DEG C of-110 DEG C of back draft, namely obtains low temperature resistant flame retardant modified geogrid.
The beneficial effect that the present invention obtains is:
The present invention by the raw-material modification of formula, thus obtain having low temperature resistant, flame retardant properties good, the geo-grid that intensity is high, toughness is large.
Embodiment
Below in conjunction with embodiment, the invention will be further described,
A kind of low temperature resistant flame retardant modified geogrid, obtained by the component Raw material processing of following weight (kg): PP 48, EVA 25, MLLDPE 35, POE 16, maleic anhydride graft PE 13, SEBS 2, TDE 4,2,6-ditertbutylparacresol 0.4, calcium carbonate 7, modified carbon black masterbatch 6
Wherein, the preparation method of modified carbon black masterbatch: (1) by weight (kg) takes polyethylene 35, polypropylene 15, carbon black 45, acrylate 0.8, zinc oxide 0.3, irgasfos 168 0.2, protective agent 0.2, kerosene 0.6, flyash 2, the pungent decylate 4 of Polyglycerine, talcum powder 5; (2) load weighted carbon black, acrylate, zinc oxide are added in stirrer, fully mix at the temperature of 60 DEG C-180 DEG C, obtain mixture A; (3) all the other feed composition such as polyethylene, polypropylene, talcum powder, antioxidant 1010, protective agent, white oil, flyash, the pungent decylate of Polyglycerine are dropped into successively homogenizer high speed and stir 3-5 minute, obtain mixture material B; (4) obtaining blend after being mixed by A and B joins in twin screw extruder, and screw speed is 80-130 rpm, and heating barrel zone temperature 180-200 DEG C melt extrudes, cooling, granulation.
The preparation method of low temperature resistant flame retardant modified geogrid, comprises the following steps:
(1) each component raw material is taken by formula rate;
(2) PP taken, MLLDPE, POE, SEBS, maleic anhydride graft PE are added in Banbury mixer, at 140 DEG C of-160 DEG C of melting mixings, obtain mixing materials;
(3) by mixing materials and TDE, 2,6-ditertbutylparacresol, calcium carbonate mix, then send in the loading hopper of tablets press, open tablets press, the rotating speed controlling tablets press is 240-330r/min, control feed cylinder of granulator front portion, middle part, rear portion and head temperature be respectively: 225 ~ 235 DEG C, 220 ~ 225 DEG C, 210 ~ 215 DEG C, 230 ~ 235 DEG C, the material extruded from tablets press through water-cooled, pelletizing, sieve, drying, namely obtain mixing materials A;
(4) after dried mixing materials A being mixed with modified carbon black masterbatch, extruded at lower than 225 DEG C of temperature by forcing machine again, melt is by three-roller calendar sheet forming, sheet material uses mould to carry out punching through stamping machine, orifice plate, through being warmed up to 90 DEG C of-110 DEG C of back draft, namely obtains low temperature resistant flame retardant modified geogrid.
The Performance Detection value of geo-grid different size of the present invention is as following table:
Claims (2)
1. a low temperature resistant flame retardant modified geogrid, it is characterized in that, obtained by the component Raw material processing of following weight part: PP 40-50, EVA 20-30, MLLDPE 30-40, POE 10-20, maleic anhydride graft PE 10-15, SEBS 1-2, TDE 3-5,2,6-ditertbutylparacresol 0.2-0.5, calcium carbonate 5-10, modified carbon black masterbatch 5-8
The preparation method of described modified carbon black masterbatch: (1) takes polyethylene 30-40, polypropylene 10-20, carbon black 40-50, acrylate 0.2-1.5, zinc oxide 0.1-0.4, irgasfos 168 0.1-0.3, protective agent 0.1-0.3, kerosene 0.5-1.0, flyash 1-3, the pungent decylate 3-5 of Polyglycerine, talcum powder 4-6 by weight; (2) load weighted carbon black, acrylate, zinc oxide are added in stirrer, fully mix at the temperature of 60 DEG C-180 DEG C, obtain mixture A; (3) all the other feed composition such as polyethylene, polypropylene, talcum powder, antioxidant 1010, protective agent, white oil, flyash, the pungent decylate of Polyglycerine are dropped into successively homogenizer high speed and stir 3-5 minute, obtain mixture material B; (4) obtaining blend after being mixed by A and B joins in twin screw extruder, and screw speed is 80-130 rpm, and heating barrel zone temperature 180-200 DEG C melt extrudes, cooling, granulation.
2. the preparation method of low temperature resistant flame retardant modified geogrid according to claim 1, is characterized in that, comprise the following steps:
(1) each component raw material is taken by formula rate;
(2) PP taken, MLLDPE, POE, SEBS, maleic anhydride graft PE are added in Banbury mixer, at 140 DEG C of-160 DEG C of melting mixings, obtain mixing materials;
(3) by mixing materials and TDE, 2,6-ditertbutylparacresol, calcium carbonate mix, then send in the loading hopper of tablets press, open tablets press, the rotating speed controlling tablets press is 240-330r/min, control feed cylinder of granulator front portion, middle part, rear portion and head temperature be respectively: 225 ~ 235 DEG C, 220 ~ 225 DEG C, 210 ~ 215 DEG C, 230 ~ 235 DEG C, the material extruded from tablets press through water-cooled, pelletizing, sieve, drying, namely obtain mixing materials A;
(4) after dried mixing materials A being mixed with modified carbon black masterbatch, extruded at lower than 225 DEG C of temperature by forcing machine again, melt is by three-roller calendar sheet forming, sheet material uses mould to carry out punching through stamping machine, orifice plate, through being warmed up to 90 DEG C of-110 DEG C of back draft, namely obtains low temperature resistant flame retardant modified geogrid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410575584.5A CN104277333A (en) | 2014-10-25 | 2014-10-25 | Low-temperature-resistant and flame-retardant modified geogrid and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410575584.5A CN104277333A (en) | 2014-10-25 | 2014-10-25 | Low-temperature-resistant and flame-retardant modified geogrid and preparation method thereof |
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| CN104277333A true CN104277333A (en) | 2015-01-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832509A (en) * | 2016-12-22 | 2017-06-13 | 马鞍山市鑫程纳米新材料科技有限公司 | A kind of preparation method of low temperature resistant GSZ |
| CN108104094A (en) * | 2015-11-26 | 2018-06-01 | 李英 | Novel geogrid and preparation method thereof |
| CN110483892A (en) * | 2019-08-28 | 2019-11-22 | 河北金标建材科技股份有限公司 | A kind of new material grid and its manufacturing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168904A (en) * | 1997-06-03 | 1997-12-31 | 丹阳鼎泰工程材料有限公司 | Fiber reinforced grating for earth engineering |
| KR100709692B1 (en) * | 2005-04-02 | 2007-04-19 | 주식회사 미주엔지니어링 | Geo-Grid |
| CN103044775A (en) * | 2012-12-26 | 2013-04-17 | 江苏金发科技新材料有限公司 | Glass fiber reinforced polypropylene composite material for car radiator grid and preparation process thereof |
| CN103131071A (en) * | 2011-12-05 | 2013-06-05 | 南昌天高新材料股份有限公司 | Cross-linking agent modified polyethylene geogrid and manufacturing method thereof |
-
2014
- 2014-10-25 CN CN201410575584.5A patent/CN104277333A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168904A (en) * | 1997-06-03 | 1997-12-31 | 丹阳鼎泰工程材料有限公司 | Fiber reinforced grating for earth engineering |
| KR100709692B1 (en) * | 2005-04-02 | 2007-04-19 | 주식회사 미주엔지니어링 | Geo-Grid |
| CN103131071A (en) * | 2011-12-05 | 2013-06-05 | 南昌天高新材料股份有限公司 | Cross-linking agent modified polyethylene geogrid and manufacturing method thereof |
| CN103044775A (en) * | 2012-12-26 | 2013-04-17 | 江苏金发科技新材料有限公司 | Glass fiber reinforced polypropylene composite material for car radiator grid and preparation process thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104094A (en) * | 2015-11-26 | 2018-06-01 | 李英 | Novel geogrid and preparation method thereof |
| CN106832509A (en) * | 2016-12-22 | 2017-06-13 | 马鞍山市鑫程纳米新材料科技有限公司 | A kind of preparation method of low temperature resistant GSZ |
| CN110483892A (en) * | 2019-08-28 | 2019-11-22 | 河北金标建材科技股份有限公司 | A kind of new material grid and its manufacturing method |
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Application publication date: 20150114 |