CN104744759A - Modified polyethylene resin for polyethylene composite material adhesion, and preparation method thereof - Google Patents
Modified polyethylene resin for polyethylene composite material adhesion, and preparation method thereof Download PDFInfo
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- CN104744759A CN104744759A CN201310730313.8A CN201310730313A CN104744759A CN 104744759 A CN104744759 A CN 104744759A CN 201310730313 A CN201310730313 A CN 201310730313A CN 104744759 A CN104744759 A CN 104744759A
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- polyvinyl resin
- hdpe
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- oxidation inhibitor
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
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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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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The present invention discloses a modified polyethylene resin for polyethylene composite material adhesion, and a preparation method thereof. The modified polyethylene resin is prepared from the following components by weight: 55-75% of high-density polyethylene, 10-20% of medium-density polyethylene, 15-25% of a high-density polyethylene maleic anhydride graft, 0.1-3% of antioxidant, 1-5% of silane, and 1-15% of nanometer calcium carbonate. The preparation method comprises: weighing the materials according to the ratio; uniformly mixing in a high-speed mixer for spare; adding the mixture to the material hopper of a twin screw extruder to carry out melt reaction extrusion, wherein the rotation speed of the host machine is 150 r/min, the feed rotation speed is 80 r/min, and the extrusion temperature is 140-230 DEG C; and granulating through a material cutting machine so as to prepare the modified polyethylene resin for polyethylene composite material adhesion. With the modified polyethylene resin of the present invention, the pressure-bearing ability of the ultra-high composite pipe material can be substantially improved.
Description
Technical field
The invention belongs to chemical technology field, be specifically related to bonding modified polyvinyl resin of a kind of composite polyethylene material and preparation method thereof.
Background technology
Along with the development of pipeline transportation, be transferred material and expanded the field such as solid, solid-liquid, solution-air and sulfur-bearing height sticky material, particularly oil-gas field, chemical industry, electric power, mine, colliery, waterway dredging to, more have particular requirement to the performance of pipeline.Manufacture and design a kind of adaptation various complicated landform in field and envrionment conditions, there is the high pressure-bearing ultrahigh molecular weight polyethylene(UHMWPE) reinforced composite pipe material of shock resistance, corrosion-resistant, lightweight, ant-scaling, low frictional resistance, low temperature resistant comprehensive mechanical property, except appropriate design pipe structure, select high-quality material except, the bonding resin of composite polyethylene material used to select with quality be one of Chief equally.Because polyethylene is non-polar polymer, not easily formed with steel wire bad adhesion and combine closely, the steel wire of winding can not be combined effectively, reduce the bearing capacity of superelevation multiple-unit tube; Ultrahigh molecular weight polyethylene(UHMWPE) smooth surface, not easily bonds with common high density polyethylene(HDPE) on the other hand.Adopt caking agent of the prior art, because the at all levels of bonding can not fully be merged, make the bearing capacity of superelevation multiple-unit tube can not get improving, delamination splitting can occur after long-time use, cause pipe leakage, the serious consequence that work-ing life is short.Between this; develop a kind of can bonding between enhanced polyethylene and steel wire; ultrahigh molecular weight polyethylene(UHMWPE), steel wire reinforcement layer and protective layer material are fused into one; increase substantially superelevation composite pipe bearing capacity, and the bonding resin of the composite polyethylene material meeting the technique completing High Temperature High Pressure applying glue in extrusion die have very important society and economic implications.
Summary of the invention
The object of the invention is to overcome the deficiency in existing bonding polyvinyl resin technology, provide " bonding modified polyvinyl resin of a kind of composite polyethylene material and preparation method thereof ".This modified polyvinyl resin design of components is reasonable, manufacturing process is simple; this bonding modified polyvinyl resin has shock-resistant, heatproof, the good characteristics such as ageing-resistant; not only can bonding between enhanced polyethylene resin and steel wire; but also ultrahigh molecular weight polyethylene(UHMWPE), steel wire reinforcement layer and protective layer material are combined together; the technique completing High Temperature High Pressure applying glue in extrusion die can be met, significantly improve the bearing capacity of multiple-unit tube.Its main performance index is as follows: tensile strength>=17MPa; Elongation at break>=300%; Melt mass flow rate 1.5-4.0g/10min; Density 0.92-0.95g/cm
3; Softening temperature>=120 DEG C; T-shaped stripping strength>=130N/cm; Embrittlement temperature≤-50 DEG C.
To achieve these goals, the present invention is achieved through the following technical solutions: the invention provides
a kind ofthe bonding modified polyvinyl resin of composite polyethylene material, this resin is prepared by the component of following weight percent proportioning:
High density polyethylene(HDPE): 55-75%
Medium-density polyethylene: 10-20%
High density polyethylene(HDPE) maleic anhydride grafts: 15%-25%
Oxidation inhibitor: 0.1-3%
Silane: 1-5%
Nano-calcium carbonate: 1-15%
Wherein: silane is vinyltrimethoxy silane, oxidation inhibitor is at least one in 1010,168 or its compound.
Preferably, this modified polyvinyl resin is prepared by the component of following weight percent proportioning:
HDPE8008：60%
MDPEDX800：15%
HDPE-g-MAH：16%
Oxidation inhibitor: 2%
Vinyltrimethoxy silane: 3%
Nano-calcium carbonate: 4%
Wherein: oxidation inhibitor is 1010,168 compounds, its ratio (weight ratio) is 1 ∕ 1.
Present invention also offers the preparation method of the bonding modified polyvinyl resin of above-mentioned matrix material, the method comprises the steps:
1) take weight according to proportioning, HDPE, MDPE, HDPE-g-MAH, oxidation inhibitor, silane, nano-calcium carbonate are mixed stand-by in high-speed mixer;
2) said mixture is added in twin screw extruder hopper and carry out frit reaction and extrude, engine speed 150r/min, feeding rotating speed 80r/min, extrusion temperature 140 DEG C-230 DEG C;
3) through stock cutter granulation, the bonding modified polyvinyl resin of composite polyethylene material of the present invention is namely prepared.
Wherein above-mentioned abbreviation is defined as follows:
HDPE: high density polyethylene(HDPE);
UHMWPE: ultrahigh molecular weight polyethylene(UHMWPE).
MDPE: medium-density polyethylene
HDPE-g-MAH: high density polyethylene(HDPE) maleic anhydride grafts
Designed by the bonding modified polyvinyl resin of composite polyethylene material of the present invention, the reason of composition is as follows:
Medium-density polyethylene: carry out modification to polyvinyl resin, the impact property improving polyvinyl resin does not affect other mechanical properties simultaneously, and raising polyvinyl resin is heat-resisting, resistance to low temperature.
HDPE-g-MAH: be a kind of high density polyethylene(HDPE) maleic anhydride grafts, raising polyvinyl resin
Stripping strength.
Oxidation inhibitor: at least one 1010, in 168 or its combination, can effectively improve polyvinyl resin oxidation resistent susceptibility, suppress or reduce the macromolecular thermooxidative degradation of polyolefine, preventing the reduction of polyvinyl resin performance.
Silane: be vinyltrimethoxy silane, can improve polyvinyl resin interfacial adhesion strength.
Nano-calcium carbonate: play and strengthen and toughness reinforcing effect, the intensity of modified polyvinyl resin can be improved.
Adopt the bonding modified polyvinyl resin of composite polyethylene material of the designed preparation of the present invention compared with existing bonding polyvinyl resin, tool has the following advantages:
This modified polyvinyl resin design of components is reasonable, manufacturing process is simple; there is shock-resistant, heatproof, the good characteristics such as ageing-resistant; not only can bonding between enhanced polyethylene resin and steel wire; but also ultrahigh molecular weight polyethylene(UHMWPE), steel wire reinforcement layer and protective layer material are combined together; the technique completing High Temperature High Pressure applying glue in extrusion die can be met, significantly improve the bearing capacity of composite pipe.Its main performance index is as follows: tensile strength>=17MPa; Elongation at break>=300%; Melt mass flow rate 1.5-4.0g/10min; Density 0.92-0.95g/cm
3; Softening temperature>=120 DEG C; T-shaped stripping strength>=130N/cm; Embrittlement temperature≤-50 DEG C.
Embodiment
Below by non-limiting example, set forth the present invention further, understand the present invention.
According to the performance index of the bonding modified polyvinyl resin of composite polyethylene material and the requirement of construction technology condition, select high density polyethylene(HDPE): HDPE8008, medium-density polyethylene: MDPEDX800,
High density polyethylene(HDPE) maleic anhydride grafts: HDPE-g-MAH.
The bonding modified polyvinyl resin of composite polyethylene material of the present invention has prepared 5 groups of embodiments.Prepared by the component of following weight percent proportioning:
embodiment 1
HDPE8008：72%，MDPEDX800：10%，HDPE-g-MAH：15 % ，
1010:1%, vinyltrimethoxy silane: 1%, nano-calcium carbonate: 1%.
embodiment 2
HDPE8008：65%，MDPEDX800：15%，HDPE-g-MAH：15%
168:1%, vinyltrimethoxy silane: 2%, nano-calcium carbonate: 2%
embodiment 3
HDPE8008：60%，MDPEDX800：15%，HDPE-g-MAH：16%
Oxidation inhibitor: 2%, vinyltrimethoxy silane: 3%, nano-calcium carbonate: 4%
Wherein: oxidation inhibitor is 1010,168 compounds, its ratio (weight ratio) is 1 ∕ 1.
embodiment 4
HDPE8008：56%，MDPEDX800：15%，HDPE-g-MAH：15%
Oxidation inhibitor: 2%, vinyltrimethoxy silane: 2%, nano-calcium carbonate: 10%
Wherein: oxidation inhibitor is 1010,168 compounds, its ratio (weight ratio) is 1 ∕ 1.
embodiment 5
HDPE8008：55%，MDPEDX800：10%，HDPE-g-MAH：25%
Oxidation inhibitor: 2%, vinyltrimethoxy silane: 3%, nano-calcium carbonate: 5%
Wherein oxidation inhibitor is 1010,168 compounds, and its ratio (weight ratio) is 1 ∕ 1.
Above-mentioned 5 groups of embodiment its preparation methods are:
1) take weight according to proportioning, HDPE, MDPE, HDPE-g-MAH, oxidation inhibitor, silane, nano-calcium carbonate are mixed stand-by in high-speed mixer;
2) said mixture is added in twin screw extruder hopper and carry out frit reaction and extrude, engine speed 150r/min, feeding rotating speed 80r/min, extrusion temperature 140 DEG C-230 DEG C;
3) through stock cutter granulation, the bonding modified polyvinyl resin of composite polyethylene material of the present invention is namely prepared.
The above embodiment bonding modified polyvinyl resin of composite polyethylene material that is designed, preparation has carried out detection, test through relevant department to its composition, comprehensive mechanical property.
Detected result:
Test item index request modified polyvinyl resin (the present invention)
Tensile strength MPa >=17 19
Elongation at break, % >=300 520
MFR g/10min 2.0-4.0 2
Density/gcm-3 0.92-0.95 0.93
Vicat softening point/DEG C >=120 122
Embrittlement temperature/DEG C≤-50-60
Stripping strength/Ncm-1 >=1,200 1250
Ash content/%≤0.1 0.02
By above embodiment and mechanics properties testing, the present invention's bonding modified polyvinyl resin of composite polyethylene material that is designed, preparation has that Composition Design is reasonable, cost is low, and its tensile strength is 19MPa; Elongation at break is 520%; Melt mass flow rate is 2.2g/10min; Density is 0.93/gcm-3; Softening temperature is 122 DEG C; T-shaped stripping strength is 1250/Ncm-1; Embrittlement temperature is-60 DEG C.It is stable and reliable for performance can meet production application, is that one can increase substantially superelevation composite pipe bearing capacity, and meets the bonding modified polyvinyl resin of the composite polyethylene material completing High Temperature High Pressure glue-applying technique in extrusion die.
Claims (3)
1.
a kind ofthe bonding modified polyvinyl resin of composite polyethylene material, is characterized in that, this modified polyvinyl resin is prepared by the component of following weight percent proportioning:
High density polyethylene(HDPE): 55-75%
Medium-density polyethylene: 10-20%
High density polyethylene(HDPE) maleic anhydride grafts: 15%-25%
Oxidation inhibitor: 0.1-3%
Silane: 1-5%
Nano-calcium carbonate: 1-15%
Wherein: silane is vinyltrimethoxy silane, oxidation inhibitor is at least one in 1010,168 or its compound.
2. modified polyvinyl resin according to claim 1, is characterized in that, this modified polyvinyl resin is prepared by the component of following weight percent proportioning:
HDPE8008：60%
MDPEDX800：15%
HDPE-g-MAH：16%
Oxidation inhibitor: 2%
Vinyltrimethoxy silane: 3%
Nano-calcium carbonate: 4%
Wherein: oxidation inhibitor is 1010,168 compounds, its ratio (weight ratio) is 1 ∕ 1.
3.
according tothe preparation method of the described modified polyvinyl resin described in any one of claim 1-2, it is characterized in that, the method comprises the steps:
1) take weight according to proportioning, HDPE, MDPE, HDPE-g-MAH, oxidation inhibitor, silane, nano-calcium carbonate are mixed stand-by in high-speed mixer;
2) said mixture is added in twin screw extruder hopper and carry out frit reaction and extrude, engine speed 150r/min, feeding rotating speed 80r/min, extrusion temperature 140 DEG C-230 DEG C;
3) through stock cutter granulation, the bonding modified polyvinyl resin of composite polyethylene material of the present invention is namely prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310730313.8A CN104744759A (en) | 2013-12-26 | 2013-12-26 | Modified polyethylene resin for polyethylene composite material adhesion, and preparation method thereof |
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| CN201310730313.8A CN104744759A (en) | 2013-12-26 | 2013-12-26 | Modified polyethylene resin for polyethylene composite material adhesion, and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135078A (en) * | 2015-08-28 | 2015-12-09 | 广西金盛科技发展有限公司 | High-density polyethylene double-layer water supply pipe |
| CN108948493A (en) * | 2018-07-19 | 2018-12-07 | 青岛威东科高分子材料有限公司 | Steel pipe ultralow temperature high density polyethylene (HDPE) anti-corrosion material and preparation method thereof |
| CN111500200A (en) * | 2020-06-03 | 2020-08-07 | 杭州凡泰塑业有限公司 | Method for bonding polyethylene plastic and steel wire |
| CN112135874A (en) * | 2018-04-20 | 2020-12-25 | 陶氏环球技术有限责任公司 | High temperature tie layer compositions and articles made therefrom |
| CN115073835A (en) * | 2021-06-10 | 2022-09-20 | 中国石油工程建设有限公司 | High-temperature-resistant polyethylene pipeline and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135078A (en) * | 2015-08-28 | 2015-12-09 | 广西金盛科技发展有限公司 | High-density polyethylene double-layer water supply pipe |
| CN112135874A (en) * | 2018-04-20 | 2020-12-25 | 陶氏环球技术有限责任公司 | High temperature tie layer compositions and articles made therefrom |
| CN112135874B (en) * | 2018-04-20 | 2023-11-28 | 陶氏环球技术有限责任公司 | High temperature tie layer compositions and articles made therefrom |
| CN108948493A (en) * | 2018-07-19 | 2018-12-07 | 青岛威东科高分子材料有限公司 | Steel pipe ultralow temperature high density polyethylene (HDPE) anti-corrosion material and preparation method thereof |
| CN108948493B (en) * | 2018-07-19 | 2021-04-13 | 青岛威东科高分子材料有限公司 | Ultralow-temperature high-density polyethylene anticorrosive material for steel pipeline and preparation method thereof |
| CN111500200A (en) * | 2020-06-03 | 2020-08-07 | 杭州凡泰塑业有限公司 | Method for bonding polyethylene plastic and steel wire |
| CN114181632A (en) * | 2020-06-03 | 2022-03-15 | 杭州凡泰塑业有限公司 | Preparation method of steel wire-polyethylene plastic profile |
| CN115073835A (en) * | 2021-06-10 | 2022-09-20 | 中国石油工程建设有限公司 | High-temperature-resistant polyethylene pipeline and preparation method thereof |
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