CN106009177A - Hydrophobic geogrid and preparation method thereof - Google Patents
Hydrophobic geogrid and preparation method thereof Download PDFInfo
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- CN106009177A CN106009177A CN201610500683.6A CN201610500683A CN106009177A CN 106009177 A CN106009177 A CN 106009177A CN 201610500683 A CN201610500683 A CN 201610500683A CN 106009177 A CN106009177 A CN 106009177A
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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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
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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
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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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Abstract
The invention discloses a hydrophobic geogrid which is prepared from the following raw materials in parts by weight: 0.1-0.4 part of isothiazolinone, 1-2 parts of dodecyl dimethyl betaine, 5-7 parts of graphene oxide, 40-50 parts of para-hydroxybenzoic acid, 10-17 parts of acetic anhydride, 0.08-0.1 part of zinc acetate, 20-30 parts of 6-hydroxy-2-naphthoic acid, 180-200 parts of high-density polyethylene, 0.2-0.3 part of hexafluoroacetylacetone, 1-2 parts of calcium palmitate, 2-3 parts of glyceryl caprylate-caprate, 1-2 parts of zinc dialkyl dithiophosphate, 1-2 parts of hexamethyl cyclotrisiloxane, 3-4 parts of calcium stearate and 5-7 parts of epoxy soybean oil. The geogrid has the advantages of favorable hydrophobicity, favorable anti-seepage effect and high corrosion resistance.
Description
Technical field
The present invention relates to GSZ technical field, particularly relate to a kind of hydrophobic GSZ and preparation method thereof.
Background technology
Thermotropic Liquid has the combination property of excellence, such as high intensity, high-modulus, good heat stability and moulding processability etc. so that it is can be widely applied for the high-technology fields such as space flight and aviation, defence and military, fiber optic communication, electronic apparatus.Although Thermotropic Liquid has the combination property of excellence, but this material is had higher requirement by the development of science and technology, especially needs it to have higher modulus, intensity and heat stability etc. at some special dimensions.It is thus desirable to be modified Thermotropic Liquid material, numerous studies show that the nano materials such as CNT, nano carbon black and carbon nano-fiber can effectively improve the performance of Thermotropic Liquid, especially mechanical property and thermal stability.Graphene as a kind of emerging two-dimensional nano material with carbon element, has more excellent performance compared with the nano material such as CNT, nano carbon black and carbon nano-fiber, and it also embodies the biggest potentiality when other polymer modified.
A small amount of document is had to carry out report with regard to Graphene modification Thermotropic Liquid.Root is according to the literature; the technique of preparation Thermotropic Liquid/graphene composite material used in-situ solution polymerization; preparation process needs consume a large amount of solvent; it is unfavorable for environmental conservation; and the mechanical property of the Thermotropic Liquid/graphene composite material prepared by the way of in-situ solution is polymerized is bad, it is impossible to meet the requirement of reality application；.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of hydrophobic GSZ and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of hydrophobic GSZ, it is made up of the raw material of following weight parts:
Isothiazolone 0.1-0.4, dodecyldimethylammonium hydroxide inner salt 1-2, graphene oxide 5-7, P-hydroxybenzoic acid 40-50, acetic anhydride 10-17, zinc acetate 0.08-0.1,6-Hydroxy-2-naphthoic acid 20-30, high density polyethylene (HDPE) 180-200, hexafluoroacetylacetone 0.2-0.3, calcium palmitate 1-2, decanoyl/octanoyl glycerides 2-3, zinc dialkyl dithiophosphate 1-2, hexamethyl cyclotrisiloxane 1-2, calcium stearate 3-4, epoxy soybean oil 5-7.
The preparation method of a kind of described hydrophobic GSZ, comprises the following steps:
(1) take the 60-70% of above-mentioned acetic anhydride weight, mix with P-hydroxybenzoic acid, join in the oil bath of 138-140 DEG C; insulated and stirred 10-15 minute; dropping compound weight 0.01-0.02%, the sulphuric acid of 96-98%, insulation reaction 3-5 hour, discharging; it is poured into while hot in the frozen water of its weight 1.6-2 times; stand 3-5 minute, forced air drying, send in the vacuum drying oven of 50-60 DEG C; it is dried 20-24 hour, obtains acetylation monomer a；
(2) by above-mentioned 6-Hydroxy-2-naphthoic acid, the mixing of remaining acetic anhydride; join in the oil bath of 120-130 DEG C, insulation reaction 3-4 hour, discharging; it is poured into while hot in the frozen water of its weight 1.6-2 times; stand 3-5 minute, add above-mentioned calcium palmitate, stir; forced air drying; send in the vacuum drying oven of 50-60 DEG C, be dried 20-24 hour, obtain acetylation monomer b；
(3) take above-mentioned hexafluoroacetylacetone, join in the dehydrated alcohol of its weight 10-12 times, stir, add calcium stearate, insulated and stirred 4-8 minute at 60-70 DEG C, add above-mentioned hexamethyl cyclotrisiloxane, stir, obtain pre-mixed alcoholic liquid；
(4) above-mentioned graphene oxide is taken; join in the dehydrated alcohol of its weight 100-120 times; add above-mentioned pre-mixed alcoholic liquid; ultrasonic disperse 50-60 minute; being sequentially added into above-mentioned acetylation monomer a, acetylation monomer b, ultrasonic 30-40 minute, decompression was distilled; product is dried 20-25 hour under the vacuum of 60-70 DEG C, obtains monomer pretreating graphite alkene；
(5) above-mentioned zinc dialkyl dithiophosphate is joined in its weight 6-10 times, 30-35% ethanol solution, stir, add isothiazolone, rise high-temperature and be 60-70 DEG C, add above-mentioned monomer pretreating graphite alkene, stirring to room temperature, add dodecyldimethylammonium hydroxide inner salt, 100-200 rev/min is stirred 20-30 minute, filter, precipitation is washed 2-3 time, is vacuum dried 1-2 hour at 50-60 DEG C, obtains modified monomer pretreating graphite alkene；
(6) by above-mentioned modified monomer pretreating graphite alkene, zinc acetate mixing; it is sent in reactor; it is passed through nitrogen protection, rises high-temperature and be 240-250 DEG C, insulation reaction 3-4 hour; continue to rise high-temperature and be 270-280 DEG C; insulation reaction 1-2 hour, continues to rise high-temperature and is 290-300 DEG C, insulation reaction 30-40 minute; discharging cools down, and obtains Graphene Copolyester composite material；
(7) above-mentioned Graphene Copolyester composite material being mixed with remaining each raw material, stir, send into extruder, through melt extruding, melt is made sheet material by three roll squeezer roll-ins, then through punching, stretching, obtains described GSZ.
The invention have the advantage that the present invention uses P-hydroxybenzoic acid, 6-Hydroxy-2-naphthoic acid to be monomer; by carrying out acetylation process with acetic anhydride under sulfuric acid catalysis effect; then acetylation monomer is carried out melt polymerization; it is catalyzed by zinc acetate in the course of the polymerization process; obtaining the polyester with strand cross-linked network structure, the present invention adds the most in the course of the polymerization process
Graphene oxide, substantial amounts of hydroxyl is contained on its surface, carboxyl, the oxy radicals such as epoxy radicals, the existence of oxy radical can make graphite flake layer spacing expand, can be good be dispersed in polymeric matrix, thus effectively improve the mechanical property of finished product Thermotropic Liquid, and on the one hand the raising of mechanical property is come from polyester molecule chain and is connected on graphene oxide lamella by ester group, on the other hand the non-covalent bond effect of the aromatic rings in Thermotropic Liquid strand and graphene oxide sheet interlayer is come from, and the Graphene Copolyester composite material obtained is due to the physical barrier effect of graphene oxide, slow down the diffusion of thermal degradation products, therefore there is good melt fluidity, and then can well be distributed in polypropylene, obtain polymolecularity, finished-product material without particle aggregation；The GSZ of the present invention has good hydrophobicity, and leakage resistance is good, and corrosion resistance is strong.
Detailed description of the invention
A kind of hydrophobic GSZ, it is made up of the raw material of following weight parts:
Isothiazolone 0.1, dodecyldimethylammonium hydroxide inner salt 1, graphene oxide 5, P-hydroxybenzoic acid 40, acetic anhydride 10, zinc acetate 0.08,6 hydroxynaphthoic acid 20, high density polyethylene (HDPE) 180, hexafluoroacetylacetone 0.2, calcium palmitate 1, decanoyl/octanoyl glycerides 2, zinc dialkyl dithiophosphate 1, hexamethyl cyclotrisiloxane 1, calcium stearate 3, epoxy soybean oil 5.
The preparation method of a kind of described hydrophobic GSZ, comprises the following steps:
(1) take the 60% of above-mentioned acetic anhydride weight, mix with P-hydroxybenzoic acid, join in the oil bath of 138 DEG C; insulated and stirred 10 minutes; dropping compound weight 0.01%, the sulphuric acid of 96%, insulation reaction 3 hours, discharging; it is poured into while hot in the frozen water of its weight 1.6 times; stand 3 minutes, forced air drying, send in the vacuum drying oven of 50 DEG C; it is dried 20 hours, obtains acetylation monomer a；
(2) by above-mentioned 6 hydroxynaphthoic acids, the mixing of remaining acetic anhydride; join in the oil bath of 120 DEG C, insulation reaction 3 hours, discharging; it is poured into while hot in the frozen water of its weight 1.6 times; stand 3 minutes, add above-mentioned calcium palmitate, stir; forced air drying; send in the vacuum drying oven of 50 DEG C, be dried 20 hours, obtain acetylation monomer b；
(3) take above-mentioned hexafluoroacetylacetone, join in the dehydrated alcohol of its weight 10 times, stir, add calcium stearate, insulated and stirred 4 minutes at 60 DEG C, add above-mentioned hexamethyl cyclotrisiloxane, stir, obtain pre-mixed alcoholic liquid；
(4) above-mentioned graphene oxide is taken; join in the dehydrated alcohol of its weight 100 times; add above-mentioned pre-mixed alcoholic liquid; ultrasonic disperse 50 minutes; being sequentially added into above-mentioned acetylation monomer a, acetylation monomer b, ultrasonic 30 minutes, decompression was distilled; product is dried 20 hours under the vacuum of 60 DEG C, obtains monomer pretreating graphite alkene；
(5) above-mentioned zinc dialkyl dithiophosphate is joined in its weight 6 times, the ethanol solution of 30%, stirring, add isothiazolone, rising high-temperature is 60 DEG C, add above-mentioned monomer pretreating graphite alkene, stirring to room temperature, add dodecyldimethylammonium hydroxide inner salt, 100 revs/min are stirred 20 minutes, filter, precipitation is washed 2 times, is vacuum dried 1 hour at 50 DEG C, obtains modified monomer pretreating graphite alkene；
(6) by above-mentioned modified monomer pretreating graphite alkene, zinc acetate mixing; it is sent in reactor; being passed through nitrogen protection, rising high-temperature is 240 DEG C, insulation reaction 3 hours; continuing to rise high-temperature is 270 DEG C; insulation reaction 1 hour, continuing to rise high-temperature is 290 DEG C, insulation reaction 30 minutes; discharging cools down, and obtains Graphene Copolyester composite material；
(7) above-mentioned Graphene Copolyester composite material being mixed with remaining each raw material, stir, send into extruder, through melt extruding, melt is made sheet material by three roll squeezer roll-ins, then through punching, stretching, obtains described GSZ.
Outward appearance: smooth, bubble-free, without groove mark；
The tensile yield strength of grid sheet: 25MPa；
Weld tensile strength: >=200N/cm.
Claims (2)
1. a hydrophobic GSZ, it is characterised in that it is made up of the raw material of following weight parts:
Isothiazolone 0.1-0.4, dodecyldimethylammonium hydroxide inner salt 1-2, graphene oxide 5-7, P-hydroxybenzoic acid 40-50, acetic anhydride 10-17, zinc acetate 0.08-0.1,6-Hydroxy-2-naphthoic acid 20-30, high density polyethylene (HDPE) 180-200, hexafluoroacetylacetone 0.2-0.3, calcium palmitate 1-2, decanoyl/octanoyl glycerides 2-3, zinc dialkyl dithiophosphate 1-2, hexamethyl cyclotrisiloxane 1-2, calcium stearate 3-4, epoxy soybean oil 5-7.
2. the preparation method of a hydrophobic GSZ as claimed in claim 1, it is characterised in that comprise the following steps:
(1) take the 60-70% of above-mentioned acetic anhydride weight, mix with P-hydroxybenzoic acid, join in the oil bath of 138-140 DEG C; insulated and stirred 10-15 minute; dropping compound weight 0.01-0.02%, the sulphuric acid of 96-98%, insulation reaction 3-5 hour, discharging; it is poured into while hot in the frozen water of its weight 1.6-2 times; stand 3-5 minute, forced air drying, send in the vacuum drying oven of 50-60 DEG C; it is dried 20-24 hour, obtains acetylation monomer a；
(2) by above-mentioned 6-Hydroxy-2-naphthoic acid, the mixing of remaining acetic anhydride; join in the oil bath of 120-130 DEG C, insulation reaction 3-4 hour, discharging; it is poured into while hot in the frozen water of its weight 1.6-2 times; stand 3-5 minute, add above-mentioned calcium palmitate, stir; forced air drying; send in the vacuum drying oven of 50-60 DEG C, be dried 20-24 hour, obtain acetylation monomer b；
(3) take above-mentioned hexafluoroacetylacetone, join in the dehydrated alcohol of its weight 10-12 times, stir, add calcium stearate, insulated and stirred 4-8 minute at 60-70 DEG C, add above-mentioned hexamethyl cyclotrisiloxane, stir, obtain pre-mixed alcoholic liquid；
(4) above-mentioned graphene oxide is taken; join in the dehydrated alcohol of its weight 100-120 times; add above-mentioned pre-mixed alcoholic liquid; ultrasonic disperse 50-60 minute; being sequentially added into above-mentioned acetylation monomer a, acetylation monomer b, ultrasonic 30-40 minute, decompression was distilled; product is dried 20-25 hour under the vacuum of 60-70 DEG C, obtains monomer pretreating graphite alkene；
(5) above-mentioned zinc dialkyl dithiophosphate is joined in its weight 6-10 times, 30-35% ethanol solution, stir, add isothiazolone, rise high-temperature and be 60-70 DEG C, add above-mentioned monomer pretreating graphite alkene, stirring to room temperature, add dodecyldimethylammonium hydroxide inner salt, 100-200 rev/min is stirred 20-30 minute, filter, precipitation is washed 2-3 time, is vacuum dried 1-2 hour at 50-60 DEG C, obtains modified monomer pretreating graphite alkene；
(6) by above-mentioned modified monomer pretreating graphite alkene, zinc acetate mixing; it is sent in reactor; it is passed through nitrogen protection, rises high-temperature and be 240-250 DEG C, insulation reaction 3-4 hour; continue to rise high-temperature and be 270-280 DEG C; insulation reaction 1-2 hour, continues to rise high-temperature and is 290-300 DEG C, insulation reaction 30-40 minute; discharging cools down, and obtains Graphene Copolyester composite material；
(7) above-mentioned Graphene Copolyester composite material being mixed with remaining each raw material, stir, send into extruder, through melt extruding, melt is made sheet material by three roll squeezer roll-ins, then through punching, stretching, obtains described GSZ.
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| CN201610500683.6A CN106009177A (en) | 2016-06-30 | 2016-06-30 | Hydrophobic geogrid and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013551A (en) * | 2019-12-18 | 2020-04-17 | 东莞安特生物技术有限公司 | Application of ultrahigh molecular polyethylene material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204738197U (en) * | 2015-07-01 | 2015-11-04 | 重庆大学 | Graphite alkene polymer combined material geogrid |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204738197U (en) * | 2015-07-01 | 2015-11-04 | 重庆大学 | Graphite alkene polymer combined material geogrid |
Non-Patent Citations (2)
| Title |
|---|
| 李宗昊: "热致液晶共聚酯/氧化石墨烯复合材料的制备及性能研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
| 薛敏: "塑料土工格栅的生产开发", 《现代塑料加工应用》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013551A (en) * | 2019-12-18 | 2020-04-17 | 东莞安特生物技术有限公司 | Application of ultrahigh molecular polyethylene material |
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Application publication date: 20161012 |