CN104277297A - Corrosion-resistant geogrid and preparation method thereof - Google Patents
Corrosion-resistant geogrid and preparation method thereof Download PDFInfo
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- CN104277297A CN104277297A CN201410575572.2A CN201410575572A CN104277297A CN 104277297 A CN104277297 A CN 104277297A CN 201410575572 A CN201410575572 A CN 201410575572A CN 104277297 A CN104277297 A CN 104277297A
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a corrosion-resistant geogrid prepared by processing the following raw materials in parts by weight: 80-90 parts of low-density polyethylene, 10-12 parts of high-density polyethylene, 1-2 parts of vinyltriethoxysilane, 0.1-0.3 part of antioxidant 1010, 0.1-0.2 part of phosphotriester, 0.1-0.2 part of dibenzoyl peroxide, 0.2-0.4 part of di-n-butyltin dilaurate, 8-10 parts of kaoline and 4-6 parts of modified carbon black master batches. The preparation method of the corrosion-resistant 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 geogrid provided by the invention has the characteristics of high stretching strength, corrosion resistance, good mechanical properties and low production and processing costs.
Description
technical field
The present invention relates to the manufacture of geo-grid, be specifically related to a kind of corrosion-resistant geo-grid 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 corrosion-resistant geo-grid and preparation method.The present invention by the raw-material modification of formula, thus obtains having the geo-grid that erosion resistance is strong, toughness is large.
Technical scheme that the present invention adopts is as follows:
A kind of corrosion-resistant geo-grid, it is characterized in that, obtained by the component Raw material processing of following weight part: Low Density Polyethylene 80-90, high density polyethylene(HDPE) 10-12, vinyltriethoxysilane 1-2, antioxidant 1010 0.1-0.3, phosphotriester 0.1-0.2, dibenzoyl peroxide 0.1-0.2, di-n-butyltin dilaurate 0.2-0.4, kaolin 8-10, modified carbon black masterbatch 4-6
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 corrosion-resistant geo-grid, is characterized in that, comprise the following steps:
(1) take a component raw material by formula rate, Low Density Polyethylene, vinyltriethoxysilane, dibenzoyl peroxide are dropped in Banbury mixer, at 140-160 DEG C of temperature, carries out melting mixing grafting granulation, obtain pellet A;
(2) antioxidant 1010, phosphotriester, high density polyethylene(HDPE), kaolin, di-n-butyltin dilaurate drop in Banbury mixer, at 100-130 DEG C of temperature, carry out melting mixing grafting granulation, obtain pellet B;
(3) will join in forcing machine after pellet A, pellet B, the mixing of modified carbon black masterbatch, extrude at 180-220 DEG C of temperature, 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 80 DEG C of-105 DEG C of back draft, namely obtains corrosion-resistant geo-grid.
The beneficial effect that the present invention obtains is:
It is high that geo-grid of the present invention has tensile strength, and corrosion resistance nature is strong, good mechanical property, the feature that process for processing cost is low.
Embodiment
Below in conjunction with embodiment, the invention will be further described,
A kind of corrosion-resistant geo-grid, obtained by the component Raw material processing of following weight (kg): Low Density Polyethylene 85, high density polyethylene(HDPE) 11, vinyltriethoxysilane 1, antioxidant 1010 0.2, phosphotriester 0.15, dibenzoyl peroxide 0.15, di-n-butyltin dilaurate 0.3, kaolin 9, modified carbon black masterbatch 5
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 corrosion-resistant geo-grid, comprises the following steps:
(1) take a component raw material by formula rate, Low Density Polyethylene, vinyltriethoxysilane, dibenzoyl peroxide are dropped in Banbury mixer, at 140-160 DEG C of temperature, carries out melting mixing grafting granulation, obtain pellet A;
(2) antioxidant 1010, phosphotriester, high density polyethylene(HDPE), kaolin, di-n-butyltin dilaurate drop in Banbury mixer, at 100-130 DEG C of temperature, carry out melting mixing grafting granulation, obtain pellet B;
(3) will join in forcing machine after pellet A, pellet B, the mixing of modified carbon black masterbatch, extrude at 180-220 DEG C of temperature, 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 80 DEG C of-105 DEG C of back draft, namely obtains corrosion-resistant geo-grid.
The Performance Detection value of geo-grid different size of the present invention is as following table:
Claims (2)
1. a corrosion-resistant geo-grid, it is characterized in that, obtained by the component Raw material processing of following weight part: Low Density Polyethylene 80-90, high density polyethylene(HDPE) 10-12, vinyltriethoxysilane 1-2, antioxidant 1010 0.1-0.3, phosphotriester 0.1-0.2, dibenzoyl peroxide 0.1-0.2, di-n-butyltin dilaurate 0.2-0.4, kaolin 8-10, modified carbon black masterbatch 4-6
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 corrosion-resistant geo-grid according to claim 1, is characterized in that, comprise the following steps:
(1) take a component raw material by formula rate, Low Density Polyethylene, vinyltriethoxysilane, dibenzoyl peroxide are dropped in Banbury mixer, at 140-160 DEG C of temperature, carries out melting mixing grafting granulation, obtain pellet A;
(2) antioxidant 1010, phosphotriester, high density polyethylene(HDPE), kaolin, di-n-butyltin dilaurate drop in Banbury mixer, at 100-130 DEG C of temperature, carry out melting mixing grafting granulation, obtain pellet B;
(3) will join in forcing machine after pellet A, pellet B, the mixing of modified carbon black masterbatch, extrude at 180-220 DEG C of temperature, 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 80 DEG C of-105 DEG C of back draft, namely obtains corrosion-resistant geo-grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410575572.2A CN104277297A (en) | 2014-10-25 | 2014-10-25 | Corrosion-resistant geogrid and preparation method thereof |
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| CN201410575572.2A CN104277297A (en) | 2014-10-25 | 2014-10-25 | Corrosion-resistant geogrid and preparation method thereof |
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| CN104277297A true CN104277297A (en) | 2015-01-14 |
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| CN201410575572.2A Pending CN104277297A (en) | 2014-10-25 | 2014-10-25 | Corrosion-resistant geogrid and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045809A (en) * | 2019-12-26 | 2021-06-29 | 青岛润兴塑料新材料有限公司 | Application of polyethylene black master batch in HDPE (high-density polyethylene) plastic grid |
Citations (4)
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|---|---|---|---|---|
| CN1384253A (en) * | 2002-05-27 | 2002-12-11 | 甘国工 | Earthwork lattice of silane crosslinked stretch oriented high-strength polymer |
| CN102372869A (en) * | 2011-10-28 | 2012-03-14 | 泰安现代塑料有限公司 | Halogen-free flame retardant plastic geotechnical grille master batch for mine |
| 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 |
| CN103819798A (en) * | 2014-03-06 | 2014-05-28 | 四川雅豪房地产开发有限公司 | Unilateral-stretching geogrid |
-
2014
- 2014-10-25 CN CN201410575572.2A patent/CN104277297A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384253A (en) * | 2002-05-27 | 2002-12-11 | 甘国工 | Earthwork lattice of silane crosslinked stretch oriented high-strength polymer |
| CN102372869A (en) * | 2011-10-28 | 2012-03-14 | 泰安现代塑料有限公司 | Halogen-free flame retardant plastic geotechnical grille master batch for mine |
| 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 |
| CN103819798A (en) * | 2014-03-06 | 2014-05-28 | 四川雅豪房地产开发有限公司 | Unilateral-stretching geogrid |
Non-Patent Citations (6)
| Title |
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| 吴壁耀等: "《有机-无机杂化材料及其应用》", 31 July 2005, 化学工业出版社 * |
| 张满效等: "《化工生产及安全概论》", 31 March 2014, 中国石化出版社 * |
| 王伟宏等: "《木塑复合材料》", 28 February 2010, 科学出版社 * |
| 王正熙等: "《高分子材料剖析方法与应用》", 31 January 2009, 上海科学技术出版社 * |
| 蒋平平: "《环保增塑剂》", 31 October 2009, 国防工业出版社 * |
| 钱知勉: "《塑料性能应用手册》", 31 March 1987, 上海科学技术文献出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045809A (en) * | 2019-12-26 | 2021-06-29 | 青岛润兴塑料新材料有限公司 | Application of polyethylene black master batch in HDPE (high-density polyethylene) plastic grid |
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