CN107043523A - PET high polymer geotechnical grid sheet materials and preparation method thereof - Google Patents
PET high polymer geotechnical grid sheet materials and preparation method thereof Download PDFInfo
- Publication number
- CN107043523A CN107043523A CN201710290410.8A CN201710290410A CN107043523A CN 107043523 A CN107043523 A CN 107043523A CN 201710290410 A CN201710290410 A CN 201710290410A CN 107043523 A CN107043523 A CN 107043523A
- Authority
- CN
- China
- Prior art keywords
- pet
- geotechnical grid
- grid sheet
- temperature
- sheet material
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- 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
-
- 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
- C08L2207/20—Recycled plastic
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a kind of PET high polymers geotechnical grid sheet material and preparation method thereof, it includes：PET resin, sarin nucleator, black agglomerate and toughener, its method comprise the following steps：(1), PET resin or PET resin reclaimed materials are stirred, crystallized, is dried；(2), sarin nucleator, black agglomerate and toughener are stirred, compound is obtained；(3), PET resin or PET reclaimed materials are added before the charge door of single screw extrusion machine again, itself and compound are handled, product is obtained.The PET resin or PET reclaimed materials of the present invention is a kind of widely used thermoplastic engineering plastic, PET engineering plastics after enhanced can also greatly improve impact resistance, product that it is made is transparent, glossiness is high, has good environment weatherability and chemical stability and more has excellent creep resistant and dimensional stability.
Description
Technical field
The invention belongs to Geosynthetics Technology field, and in particular to a kind of PET high polymers geotechnical grid sheet material and its
Preparation method.
Background technology
So-called geosynthetics (geosynthetics) refer to apply in civil engineering construction with artificial synthesized or
Natural polymer is the general name for the engineering material that raw material is made, and its principal item has geotextile, GSZ, geonet, soil
Work film, geotechnical grid, drain bar, geotextile tube, earthwork composite material, geosynthetics bentonite pad, Geofoam and geotechnique
Bag etc..
Geotechnical grid (geocell) is to be welded by polymer sheet through ultrasonic bonding, electronic friction welding, Pneumatic friction
Connect, laser welding, grafting, the method such as riveting or injection connection are made, and cellular or latticed three-dimensional knot is formed after expansion
Structure material.
At present, polymer geotechnical grid sheet material principal item has：Modified polypropene (PP) and modified low-pressure polyethylene
(HDPE) two major class.
The shortcoming of modified polypropene (PP) geotechnical grid sheet material is：Vertical (list) is to tensile strength is low, strength grade is generally
300MP or so；Sheet thickness tolerance is big (being difficult to control in technique)；Sheet surface can fluff through gently rubbing；After drawn
Sheet material Transverse Cracks are serious；The cost of material of modified polypropene (PP) is high, and above-mentioned sheet material production can not be obtained with PP reclaimed materials
Product, are unfavorable for environmental protection, while being also unfavorable for sustainable development；Due to the cracking behavior of PP sheet materials, if with metal grafting, metal riveting
The geotechnical grid that technique is made such as connect, more have impact on overall stress-bearing capability of the sheet material in soil foundation.Because can in laboratory
To accomplish be received in the materials such as soil, sand, stone and concrete in this cellular or latticed stereochemical structure of geotechnical grid
Be not subjected to displacement in the case of stress afterwards, i.e., sheet material will not run-off the straight, to the cracking behavior of sheet material also just without very require that.So
And in practical engineering application, due to geotechnical grid in this cellular or latticed stereochemical structure be received in soil, sand,
It can be more or less subjected to displacement in the case of nature stress after the materials such as stone, concrete, the influence of side force in addition more can
Cause sheet material to be laterally further torn, reduce the solid effect of reinforcement, mainly settlement of foundation inequality of tracing it to its cause is made
Into.
The shortcoming of modified low-pressure polyethylene (HDPE) geotechnical grid sheet material is：Vertical (list) is to tensile strength is low, strength grade
Generally 200MP or so, if PE feed backs are just more difficult to realize above-mentioned strength grade；Therefore, want to reach engineering design requirements, that
PE sheet materials can only be widened, be thickeied, and also processing is embossed to the surface of sheet material, to increase soil, sand, stone or coagulation
Soil is further widened and thickeied to sheet material to make up with the frictional force of sheet surface, but improves being manufactured into for product
This.
The content of the invention
In view of the shortcomings of the prior art, primary and foremost purpose is to provide a kind of PET high polymers geotechnical grid sheet material to the present invention.
Second object of the present invention is to provide a kind of preparation method of PET high polymers geotechnical grid sheet material.
To reach above-mentioned purpose, solution of the invention is：
A kind of PET high polymers geotechnical grid sheet material, it includes following components：
Wherein, the content sum of above-mentioned each component is 100wt%.
Preferably, PET resin is selected from PET resin virgin material, the mixture of PET resin virgin material and reclaimed materials or all returned
Rewinding, its density is 1.30-1.40g/cm3, inherent viscosity be 0.58-1.20ml/g, fusing point be 255-265 DEG C.
Preferably, sarin nucleator is ethylene methacrylic acid high molecular polymer.
Preferably, carbon black of the black agglomerate containing 0.5-1.5wt%.
Preferably, toughener is polyethylene octene copolymer elastomer.
A kind of preparation method according to above-mentioned PET high polymer geotechnical grid sheet materials, it comprises the following steps：
(1), PET resin is stirred, crystallized, is dried, obtains producing the raw material of PET high polymer geotechnical grid sheet materials；
(2), sarin nucleator, black agglomerate and toughener are stirred, compound is obtained；
(3), will, when the raw material for producing PET high polymer geotechnical grid sheet materials is added into the charge door of single screw extrusion machine
Itself and compound are handled, and obtain PET high polymer geotechnical grid sheet materials.
Preferably, in step (1), mixing time is 15-30min, crystallization temperature is 100-140 DEG C, and drying temperature is
130-180 DEG C, drying time is 2-4h.
Preferably, in step (3), the screw diameter of extruder is 90-120mm, and compression ratio is 2.8-3.5:1, major diameter
Than for 28-35:1.
Preferably, the width of PET high polymer geotechnical grid sheet materials is 50-100mm.
Preferably, the thickness of PET high polymer geotechnical grid sheet materials is 0.5-1.2mm.
Preferably, the longitudinal stretching fracture load of PET high polymer geotechnical grid sheet materials is 14700-29400N.
Preferably, lateral pull >=20KN/m of PET high polymer geotechnical grid sheet materials.
Preferably, the processing procedure in step (3) includes：Knead plasticizing, extrusion molding embryo, be quenched but, preheating, heat
Stretching, thermal finalization, cooling and shaping and winding.
Preferably, mixing plasticization temperature is 245-275 DEG C.
Preferably, rapid cooling water temperature is 10-40 DEG C.
Preferably, preheating temperature is 150-230 DEG C, heating draft temperature is 65-95 DEG C, and draw ratio is 4-7, and heat is fixed
Type temperature is 110-160 DEG C, and cooling and shaping temperature is 20-30 DEG C.
Due to using such scheme, the beneficial effects of the invention are as follows：
Firstth, PET resin of the invention is a kind of widely used thermoplastic engineering plastic, it is enhanced after PET
Engineering plastics can also greatly improve impact resistance, and the product that it is made is transparent, glossiness is high, have good environment weatherability and
Chemical stability, and more have the performances such as excellent creep resistant and dimensional stability.
Secondth, toughener is added in raw material of the invention, it is to avoid characteristic of the PET resin material due to itself, through height
After strength pull, the problem of it is laterally easy to crack occurs, so as to add the transverse tensile strength of PET resin material.
3rd, a certain amount of carbon black is added in raw material of the invention so that prepared product is more resistant to photooxidation resistance.
4th, the characteristics of end product-PET geotechnical grids of the invention have capable of expansion and contraction so that it can in transport
Contracting is folded, can open and reticulate during site operation, the bulk materials such as soil, sandstone, concrete and bentonite are inserted when using, from
And to which constitute the structure with powerful laterally limiting and rigidity.
In a word, geotechnical grid sheet material of the invention has the performances such as higher laterally limiting, rigidity, anti-skidding and anti-deformation,
Effectively enhance the bearing capacity of roadbed and with the effect of scattered load；In addition, people can be by changing geotechnical grid
The height of base material, weld away from or the physical dimension such as connection distance come the need for meeting different engineerings.
Embodiment
The invention provides a kind of PET high polymers geotechnical grid sheet material and preparation method thereof.
<PET high polymer geotechnical grid sheet materials>
A kind of PET high polymers geotechnical grid sheet material, it includes following components：
Wherein, the content sum of above-mentioned each component is 100wt%.
In fact, PET resin is selected from PET resin virgin material, the mixture of PET resin virgin material and reclaimed materials or all reclaimed
Material, its density is 1.30-1.40g/cm3, inherent viscosity (IV) be 0.58-1.20ml/g, fusing point be 255-265 DEG C.
PET resin reclaimed materials is exactly that old PET straps (also referred to as plastic-steel belt), polyester bottles etc. are carried out reclaiming obtained material
Material.
PET resin is a kind of widely used thermoplastic engineering plastic, and it can be used under wider environment temperature,
And good physical and mechanical properties can be kept, so being also a kind of higher engineering plastics of application value.
PET engineering plastics can be processed into different manufactured goods using a variety of plastics forming techniques.Such as：Expressing technique into
Type has sheet material, band (strap), tubing, bar, a spinning (long filament or short silk), can be made using stretch processes
High polyester film of lightness (BOPET) etc.；What Shooting Technique was molded has Coke bottle, the industrial spare and accessory parts of the type embryo of oil bottle and part
Deng.
Sarin nucleator is ethylene methacrylic acid (EAA) high molecular polymer.
Carbon black of the black agglomerate containing 0.5-1.5wt%, wherein, carbon black is a kind of agraphitic carbon.Black agglomerate is generally with alkene
Hydro carbons (such as ethene, propylene or n-butene) is carrier, adds carbon black high-speed stirred uniformly, then is made through double screw extruder extrusion
Grain is formed.
Toughener is polyethylene octene copolymer elastomer.
<The preparation method of PET high polymer geotechnical grid sheet materials>
A kind of preparation method of above-mentioned PET high polymer geotechnical grid sheet materials, it comprises the following steps：
(1), 95.0-97.0wt% PET resin virgin material and the mixture of reclaimed materials or whole reclaimed materials (wherein,
Particle diameter size, the color of whole reclaimed materials differ) stirred through machine,massing, it is sent to screw feeding machine
Crystallized, dried in crystallization, drying tower, obtain producing the raw material of PET high polymer geotechnical grid sheet materials；
(2), sarin nucleator, black agglomerate and toughener are stirred, compound is obtained, with Small-size Twin-Screw Extruders feeding machine handle
Compound is delivered in extruder after being stirred through Small-size Twin-Screw Extruders extruder using the thrust of screw rod；
(3), principle is fed again by the raw material of dried production PET high polymer geotechnical grid sheet materials using extruder gravity
Add to the charge door of single screw extrusion machine, by itself and compound mixing plasticizing, and be extruded into the type embryo of sheet material, the supercooling of type embryo
Freeze water quenching but, then preheat again, heated draw roll, orientation stretching is realized using the roller speed difference of high speed roller and low speed roller
(purpose be in order to improve the tensile breaking load of above-mentioned sheet material), carries out thermal finalization and cooling and shaping, it is high that winding obtains PET respectively
Polymers geotechnical grid sheet material.
Wherein, in step (1), mixing time can be 15-30min, preferably 15min；Crystallization temperature can be
100-140 DEG C, preferably 100 DEG C；Drying temperature can be 130-180 DEG C, preferably 165 DEG C；Drying time can be 2-4h,
Preferably 2h.
In step (3), the screw diameter of extruder can be 90-120mm, preferably 120mm；Compression ratio can be
2.8‐3.5:1, preferably 3.5:1；Draw ratio can be 28-35:1, preferably 33:1.
The width of PET high polymer geotechnical grid sheet materials can be 50-100mm, preferably 75mm；Thickness can be 0.5-
1.2mm, preferably 0.6mm；Longitudinal stretching fracture load can be 14700-29400N, preferably 14700N；Lateral pull >=
20KN/m。
It can be 245-275 DEG C, preferably 265 DEG C to knead plasticization temperature；Rapid cooling water temperature can be 10-40 DEG C, excellent
Elect 15 DEG C as；Preheating temperature can be 150-230 DEG C, preferably 220 DEG C；It can be 65-95 DEG C to heat draft temperature, be preferably
69℃；Draw ratio can be 4-7, preferably 4.2；Heat setting temperature can be 110-160 DEG C, preferably 110 DEG C；Cooling is fixed
Type temperature can be 20-30 DEG C, preferably 20 DEG C.
Below in conjunction with illustrated embodiment, the present invention is further illustrated.Each component in each following embodiment contains
Amount can be applied in other embodiments after any adjustment and combination, if ensure each component of each embodiment content it
With equal to 100wt%.
Embodiment 1：
The preparation method of the PET high polymer geotechnical grid sheet materials of the present embodiment comprises the following steps：
(1) the whole reclaimed materials of 96.5wt% PET, are stirred 15min through machine,massing, passed with screw feeding machine
Deliver to crystallization, the interior raw material crystallized, dried, obtaining producing PET high polymer geotechnical grid sheet materials of drying tower；Wherein, crystallize
Temperature is 100 DEG C, and drying temperature is 165 DEG C, and drying time is 2h；
(2), by 1.0wt% sarin nucleator, carbon black 0.5wt% black agglomerate and 2.0wt% polyethylene octenes
Copolymer elastomer is stirred, and obtains compound, compound is sent into dried blanking pipe with Small-size Twin-Screw Extruders feeding machine, then
It is delivered to after being stirred through Small-size Twin-Screw Extruders extruder using the thrust of screw rod in single screw extrusion machine charge door；
(3), the raw material of production PET high polymer geotechnical grid sheet materials is added to single spiral shell using extruder gravity charging principle
(wherein, screw diameter is 120mm to bar extruder, and compression ratio is 3.5:1：, draw ratio is 33:1, screw head is with mixing
Head), by itself and compound mixing plasticizing, the temperature of mixing plasticizing is 265 DEG C；And (discharging opening can be with by its die orifice through mould
Control the thickness of section bar) it is extruded into the type embryo of sheet material；Then type embryo is quenched but by water temperature for 15 DEG C of bosh；Again
Preheated by the preheating oven that a segment length is 6m, temperature is 220 DEG C；It is then passed through the stretch section that temperature is 69 DEG C, profit
4.2 times of orientation stretching is realized with the linear differential (i.e. the roller speed difference of high speed roller and low speed roller) of front and rear roller；Orientation is completed to draw
Sheet material after stretching is again 8m by a segment length, the baking oven that temperature is 110 DEG C carries out thermal finalization；Being then passed through a segment length is
100m " very long " process is blowed and cooling and shaping, and cooling and shaping temperature is 20 DEG C；Finally winding obtain width for 75mm,
Thickness is 0.5mm PET high polymer geotechnical grid sheet materials, and it is 14700N that its longitudinal stretching fracture load is detected under normality, laterally
Pulling force >=20KN/m.
Wherein, in step (1), mixing time is possible within 15-30min, crystallization temperature 100-140 DEG C it
Interior, drying temperature is also possible within 130-180 DEG C.
In step (3), the screw diameter of extruder is within 90-120mm, compression ratio is in 2.8-3.5:Within 1, major diameter
Than in 28-35:It is possible within 1.
The width of PET high polymer geotechnical grid sheet materials is within 50-100mm, thickness is within 0.5-1.2mm, the drawing of longitudinal direction
Stretch fracture load is all possible within 14700-29400N.
Knead plasticization temperature within 245-275 DEG C, rapid cooling water temperature within 10-40 DEG C, preheating temperature is in 150-
Within 230 DEG C, heating draft temperature within 65-95 DEG C, draw ratio within 4-7, heat setting temperature 110-160 DEG C it
Interior, cooling and shaping temperature is all possible within 20-30 DEG C.
Embodiment 2：
The preparation method of the PET high polymer geotechnical grid sheet materials of the present embodiment comprises the following steps：
(1) the whole reclaimed materials of 97.0wt% PET, are stirred 15min through machine,massing, passed with screw feeding machine
Deliver to crystallization, crystallized in drying tower, drying, obtain PET reclaimed materials；Wherein, crystallization temperature is 100 DEG C, and drying temperature is
165 DEG C, drying time is 2h；
(2), by 0.5wt% sarin nucleator, carbon black 0.5wt% black agglomerate and 2.0wt% polyethylene octenes
Copolymer elastomer is stirred, and obtains compound, compound is sent into dried feed back pipeline with Small-size Twin-Screw Extruders feeding machine, then
It is delivered to after being stirred through Small-size Twin-Screw Extruders extruder using the thrust of screw rod in single screw extrusion machine；
(3), PET reclaimed materials is added to single screw extrusion machine (wherein, screw diameter using extruder gravity charging principle
For 90mm, screw compression ratio is 3.5:1, draw ratio is 33:1, screw rod carry mixing refining head) charge door when, by itself and compound
Mixing plasticizing, the temperature of mixing plasticizing is 265 DEG C；And squeeze its die orifice through mould (discharging opening can control the thickness of section bar)
Go out into the type embryo of sheet material；Then type embryo is quenched but by water temperature for 15 DEG C of bosh；Be again 6m by a segment length,
Temperature is preheated for 220 DEG C of preheating oven；The stretch section that temperature is 69 DEG C is then passed through, the linear differential of front and rear roller is utilized
(i.e. the roller speed difference of high speed roller and low speed roller) realizes 4.2 times of orientation stretching；Complete the sheet material after orientation stretching and pass through one again
The baking oven that segment length is 8m, temperature is 110 DEG C carries out thermal finalization；" very long " process that a segment length is 100m is then passed through to carry out
Quenching is shaped, and cooling and shaping temperature is 25 DEG C；It is that the PET height that 75mm, thickness are 0.55mm is poly- that finally winding, which obtains width,
It is 18191N, lateral pull >=22KN/m that its longitudinal stretching fracture load is detected under thing geotechnical grid sheet material, normality.
Embodiment 3：
The preparation method of the PET high polymer geotechnical grid sheet materials of the present embodiment comprises the following steps：
(1) the whole reclaimed materials of 95.5wt% PET, are stirred 15min through machine,massing, passed with screw feeding machine
Deliver to crystallization, crystallized in drying tower, drying, obtain PET reclaimed materials；Wherein, crystallization temperature is 100 DEG C, and drying temperature is
165 DEG C, drying time is 2h；
(2), by 1.5wt% sarin nucleator, carbon black 0.5wt% black agglomerate and 2.5wt% polyethylene octenes
Copolymer elastomer is stirred, and obtains compound, compound is sent into dried feed back pipeline with Small-size Twin-Screw Extruders feeding machine, then
It is delivered to after being stirred through Small-size Twin-Screw Extruders extruder using the thrust of screw rod in single screw extrusion machine；
(3), PET reclaimed materials is added to single screw extrusion machine (wherein, screw diameter using extruder gravity charging principle
For 90mm, screw compression ratio is 3.5:1, draw ratio is 33:1, screw rod carry mixing refining head) charge door when, by itself and compound
Mixing plasticizing, the temperature of mixing plasticizing is 265 DEG C；And squeeze its die orifice through mould (discharging opening can control the thickness of section bar)
Go out into the type embryo of sheet material；Then type embryo is quenched but by water temperature for 15 DEG C of bosh；Be again 6m by a segment length,
Temperature is preheated for 220 DEG C of preheating oven；The stretch section that temperature is 69 DEG C is then passed through, the linear differential of front and rear roller is utilized
(i.e. the roller speed difference of high speed roller and low speed roller) realizes 4.2 times of orientation stretching；Complete the sheet material after orientation stretching and pass through one again
The baking oven that segment length is 8m, temperature is 110 DEG C carries out thermal finalization；" very long " process that a segment length is 100m is then passed through to carry out
Dry and cooling and shaping, cooling and shaping temperature is 20 DEG C；It is that the PET that 100mm, thickness are 0.60mm is high that finally winding, which obtains width,
It is 29400N, lateral pull >=25KN/m that its longitudinal stretching fracture load is detected under polymers geotechnical grid sheet material, normality.
The above-mentioned description to embodiment is that this hair is understood that and used for the ease of those skilled in the art
It is bright.Those skilled in the art obviously can readily make various modifications to these embodiments, and described herein one
As principle be applied in other embodiment, without passing through performing creative labour.Therefore, the invention is not restricted to above-described embodiment.
Those skilled in the art do not depart from improvement that scope of the invention made and change all should be at these according to the principle of the present invention
Within the protection domain of invention.
Claims (10)
1. a kind of PET high polymers geotechnical grid sheet material, it is characterised in that：It includes following components：
Wherein, the content sum of above-mentioned each component is 100wt%.
2. PET high polymers geotechnical grid sheet material according to claim 1, it is characterised in that：The PET resin is selected from PET
Resin virgin material, the mixture of PET resin virgin material and reclaimed materials or whole reclaimed materials, its density is 1.30-1.40g/cm3, it is special
Property viscosity be 0.58-1.20ml/g, fusing point be 255-265 DEG C.
3. PET high polymers geotechnical grid sheet material according to claim 1, it is characterised in that：The sarin nucleator is second
Alkene methacrylic acid high molecular polymer.
4. PET high polymers geotechnical grid sheet material according to claim 1, it is characterised in that：The black agglomerate contains 0.5-
1.5wt% carbon black.
5. PET high polymers geotechnical grid sheet material according to claim 1, it is characterised in that：The toughener is polyethylene
Octene copolymer elastomer.
6. a kind of preparation method of PET high polymer geotechnical grid sheet materials according to claim any one of 1-5, its feature exists
In：It comprises the following steps：
(1), PET resin is stirred, crystallized, is dried, obtains producing the raw material of PET high polymer geotechnical grid sheet materials；
(2), sarin nucleator, black agglomerate and toughener are stirred, compound is obtained；
(3), will, when the raw material of the production PET high polymer geotechnical grid sheet materials to be added to the charge door of single screw extrusion machine
Itself and the compound are handled, and obtain PET high polymer geotechnical grid sheet materials.
7. preparation method according to claim 6, it is characterised in that：In the step (1), mixing time is 15-
30min, crystallization temperature is 100-140 DEG C, and drying temperature is 130-180 DEG C, and drying time is 2-4h；Or,
In the step (3), the screw diameter of extruder is 90-120mm, and compression ratio is 2.8-3.5:1, draw ratio is 28-35:
1。
8. preparation method according to claim 6, it is characterised in that：The width of the PET high polymers geotechnical grid sheet material
For 50-100mm；Thickness is 0.5-1.2mm；Longitudinal stretching fracture load is 14700-29400N；Lateral pull >=20KN/m.
9. preparation method according to claim 6, it is characterised in that：Processing procedure in the step (3) includes：Mixing
Plasticizing, extrusion molding embryo, be quenched but, preheating, heating stretching, thermal finalization, cooling and shaping and winding.
10. preparation method according to claim 9, it is characterised in that：It is 245-275 DEG C to knead plasticization temperature, and quenching is but
Coolant-temperature gage is 10-40 DEG C, and preheating temperature is 150-230 DEG C, and heating draft temperature is 65-95 DEG C, and draw ratio is 4-7, and heat is fixed
Type temperature is 110-160 DEG C, and cooling and shaping temperature is 20-30 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290410.8A CN107043523A (en) | 2017-04-28 | 2017-04-28 | PET high polymer geotechnical grid sheet materials and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290410.8A CN107043523A (en) | 2017-04-28 | 2017-04-28 | PET high polymer geotechnical grid sheet materials and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107043523A true CN107043523A (en) | 2017-08-15 |
Family
ID=59546641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710290410.8A Pending CN107043523A (en) | 2017-04-28 | 2017-04-28 | PET high polymer geotechnical grid sheet materials and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107043523A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111363241A (en) * | 2020-04-10 | 2020-07-03 | 山东交通学院 | Geogrid prepared by recycling medical waste, preparation method thereof and foundation reinforcement application |
| CN113026132A (en) * | 2021-03-03 | 2021-06-25 | 盐城雨心果服装有限公司 | Production and processing method of non-woven fabric |
| CN113715292A (en) * | 2021-08-17 | 2021-11-30 | 山东大学 | Geogrid and process method for preventing broken ribs in grid manufacturing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093679A (en) * | 2011-01-24 | 2011-06-15 | 上海自立塑料制品有限公司 | Low temperature resistant poly(ethylene terephthalate) (PET) plastic pack belt and preparation method thereof |
| CN205636712U (en) * | 2016-04-05 | 2016-10-12 | 安徽徽风新型合成材料有限公司 | Geogrid room |
| CN205742141U (en) * | 2016-07-04 | 2016-11-30 | 安徽徽风新型合成材料有限公司 | A kind of geotechnical grid sheet material and geotechnical grid |
-
2017
- 2017-04-28 CN CN201710290410.8A patent/CN107043523A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093679A (en) * | 2011-01-24 | 2011-06-15 | 上海自立塑料制品有限公司 | Low temperature resistant poly(ethylene terephthalate) (PET) plastic pack belt and preparation method thereof |
| CN205636712U (en) * | 2016-04-05 | 2016-10-12 | 安徽徽风新型合成材料有限公司 | Geogrid room |
| CN205742141U (en) * | 2016-07-04 | 2016-11-30 | 安徽徽风新型合成材料有限公司 | A kind of geotechnical grid sheet material and geotechnical grid |
Non-Patent Citations (1)
| Title |
|---|
| 王桂荪: "聚乙烯黑色母粒的研制", 《兰化科技》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111363241A (en) * | 2020-04-10 | 2020-07-03 | 山东交通学院 | Geogrid prepared by recycling medical waste, preparation method thereof and foundation reinforcement application |
| CN113026132A (en) * | 2021-03-03 | 2021-06-25 | 盐城雨心果服装有限公司 | Production and processing method of non-woven fabric |
| CN113715292A (en) * | 2021-08-17 | 2021-11-30 | 山东大学 | Geogrid and process method for preventing broken ribs in grid manufacturing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107043523A (en) | PET high polymer geotechnical grid sheet materials and preparation method thereof | |
| CN102675734B (en) | Glass fiber-reinforced polypropylene foaming material and preparation method and application thereof | |
| CN101885892B (en) | A kind of composition, the large-caliber double-wall bellow using composition production and production technique | |
| CN102417561B (en) | Ultrahigh-mobility propenyl elastomer grafting copolymer and preparation method thereof | |
| CN109456563B (en) | Special material for UHMWPE alloy compatibilization toughening modified polypropylene corrugated pipe and preparation method thereof | |
| CN105061851A (en) | Long fiber reinforced polyolefin wood-plastic composite material and preparation method thereof | |
| CN107825643A (en) | A kind of production system of fibre reinforced composites product | |
| Yin et al. | Mechanical properties of recycled plastic fibres for reinforcing concrete | |
| CN103030891A (en) | Long glass fiber-reinforced polypropylene composite material and preparation method thereof | |
| CN102276972A (en) | Polychloroprene/acrylonitrile butadiene styrene (PC/ABS) defective material recovery composition and preparation method thereof | |
| US8329273B2 (en) | Creep resistant article | |
| CN104526904B (en) | A kind of automobile-used waste and old GMT material recoveries prilling process and its special purpose device | |
| CN108099090A (en) | A kind of utilize recycles the polyacrylic injection molding process of polypropylene production | |
| KR20160023967A (en) | A preparation method of natural fiber-reinforced plastic for car interior and natural fiber-reinforced plastic for car interior prepared by the same | |
| CN110591231A (en) | High-strength and high-toughness MPP (modified Polypropylene) power tube and preparation method thereof | |
| CN101249719B (en) | Extrusion method of super high molecular weight polyethylene nearby melting point | |
| CN116120696A (en) | Preparation method and preparation device of glass-like polyolefin material pipe | |
| CN102504382A (en) | Production process of nanometer modified superhigh-molecular-weight polyethylene wear-resisting pipe | |
| CN103642124A (en) | Preparation method of polypropylene car bumper | |
| CN104558425A (en) | Ultrasonic technology-induced grafted allyl elastomer polymer and preparation method thereof | |
| CN104448533A (en) | Flax noil fiber reinforced polypropylene composite material and preparation process thereof | |
| CN114633501A (en) | Double-wall corrugated pipe strength enhancing process | |
| CN202623312U (en) | Extruding and molding equipment of single polymer composite material | |
| CN102744892B (en) | Extrusion molding method and extrusion molding equipment for mono-polymer composite product | |
| CN206367111U (en) | A kind of glass fiber reinforcement thermoplastic granulates production system |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170815 |