CN108239320A - A kind of abrasion-proof pipe material and preparation method thereof - Google Patents
A kind of abrasion-proof pipe material and preparation method thereof Download PDFInfo
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- CN108239320A CN108239320A CN201611225053.9A CN201611225053A CN108239320A CN 108239320 A CN108239320 A CN 108239320A CN 201611225053 A CN201611225053 A CN 201611225053A CN 108239320 A CN108239320 A CN 108239320A
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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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- 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
- C08L2207/068—Ultra high molecular weight polyethylene
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to piping study technical fields, and in particular to a kind of abrasion-proof pipe material and preparation method and application.Abrasion-proof pipe material, is counted in parts by weight, is prepared raw material and is included：20~30 parts of ultra-high molecular weight polyethylene, 20~30 parts of high density polyethylene (HDPE), 20~30 parts of low density polyethylene (LDPE), 3~5 parts of talcum powder, 10~20 parts of ethylene octene copolymer, 0.3~0.5 part of fluoride additive, anti-scratch 0.1~0.5 part of additive, 0.1~0.3 part of antioxidant.Abrasion-proof pipe material in the present invention is according to the test method wear tested amount of JC/T260 1993, abrasion loss 0.05g/cm2, impact strength is 120 KJ/m2.And preparation process is easy to control, and raw material and equipment are all easier to obtain, and are easy to large-scale industrial production.
Description
Technical field
The invention belongs to piping study technical fields, and in particular to a kind of abrasion-proof pipe material and preparation method and application.
Background technology
Abrasion-proof pipe, that is, wear-resistant pipe, wear-resistant tubing, mainly one kind are mainly used for the abrasive materials such as strength, pumping slurry
The pipeline of conveying.Since pumped (conveying) medium generally has the features such as hardness is high, and flow velocity is fast, and flow is big, and long-term in transmission process
The effects that impact, abrasion, corrosion are persistently generated to tube wall, pipeline is made, which to generate fatigue, to be caused to be worn through gradually, and abrasion-proof pipe
Using then solving the problems, such as this.
Similar to the application of abrasion-proof pipe, patent of invention 201310547204.2 discloses a kind of abrasion-proof pipe, is in institute
It states and is provided with adhesive linkage on the inside of pipeline body, wear-resistant liner piece is provided on the inside of the adhesive linkage, in the wear-resistant liner piece
Between be provided with filler, it is wear-resisting to achieve the effect that in this way.
But in the research for reaching abrasion resistant effect using abrasion-proof pipe material, still it is rarely reported at present.
Invention content
In order to overcome the problems of in the prior art, the purpose of the present invention is to provide a kind of abrasion-proof pipe material and its
Preparation and application.
To achieve these goals and other related purposes, the present invention adopt the following technical scheme that：
The first aspect of the present invention provides a kind of abrasion-proof pipe material, counts in parts by weight, prepares raw material and include：Superelevation
20~30 parts of molecular weight polyethylene, 20~30 parts of high density polyethylene (HDPE), 20~30 parts of low density polyethylene (LDPE), 3~5 parts of talcum powder,
10~20 parts of ethylene-octene copolymer, 0.3~0.5 part of fluoride additive, anti-scratch 0.1~0.5 part of additive, antioxidant 0.1~
0.3 part.
Preferably, for the viscosity average molecular weigh of the ultra-high molecular weight polyethylene more than 2,500,000, fusing point is 190~210 DEG C.
Preferably, the viscosity average molecular weigh of the ultra-high molecular weight polyethylene is 250~3,000,000.
Preferably, the number-average molecular weight of the high density polyethylene (HDPE) is 50~800,000；Melting under 190 DEG C, 2.16kg
Index is 7.5~9.5g/10min.
Preferably, the density of the high density polyethylene (HDPE) is 0.945~0.960g/cm3。
Preferably, the number-average molecular weight of the low density polyethylene (LDPE) is 30~500,000；Melting under 190 DEG C, 2.16kg
Index is 2~2.5g/10min.
Preferably, the density of the low density polyethylene (LDPE) is 0.918~0.935g/cm3。
Preferably, the mesh number of the talcum powder is 300~500 mesh.
Preferably, the fusing point of the ethylene-octene copolymer is 70~90 DEG C, the melt flows under 190 DEG C, 2.16Kg
Rate is 10~20g/10min.
Heretofore described fluoride additive, anti-scratch additive, antioxidant are typical additives in the prior art.
The present invention is not particularly limited fluoride additive, and existing fluoride additive can be used, as long as not limiting the present invention
Purpose.For example, the fluorine that the marque that the fluoride additive can be selected from, but not limited to, Minnesota Mining and Manufacturing Company is PPA adds
Agent.
The present invention is not particularly limited anti-scratch additive, existing anti-scratch additive can be used, as long as unlimited
The purpose of the present invention processed.For example, the marque that the anti-scratch additive can be selected from, but not limited to, Ciba is
The anti-scratch additive of Ciba IRGASURF SR 100.
The present invention is not particularly limited antioxidant, and existing antioxidant can be used, as long as not limiting the mesh of the present invention
.For example, the antioxidant can be selected from, but not limited to, antioxidant 1010, antioxidant 1076, irgasfos 168 or antioxidant
DLTP etc..
The second aspect of the present invention provides the preparation method of abrasion-proof pipe material, including step：
(1) by proportioning, each raw material for preparing is mixed and is uniformly dispersed；(2) raw material addition pair is prepared after being uniformly dispersed
Extruding pelletization in screw extruder, you can obtain abrasion-proof pipe material.
Preferably, in step (1), each prepare in raw material addition high mixer is mixed and is uniformly dispersed.
Preferably, in step (2), 190~240 DEG C of extrusion temperature in the double screw extruder, engine speed 400~
420rpm, feeding 20~27rpm of rotating speed, vacuum degree≤0.04kPa.
The third aspect of the present invention provides application of the foregoing wear pipeline material in abrasion-proof pipe field.
Compared with prior art, the present invention has the advantages that：
According to the test method wear tested amount of JC/T260-1993, abrasion loss is for abrasion-proof pipe material in the present invention
0.05g/cm2, impact strength 120KJ/m2.And preparation process is easy to control, and raw material and equipment are all easier to obtain, and are easy to big
Technical scale metaplasia is produced.
Specific embodiment
Before further describing the specific embodiments of the present invention, it should be appreciated that protection scope of the present invention is not limited to down
State specific specific embodiment；It is also understood that the term used in the embodiment of the present invention is specific specific in order to describe
Embodiment, the protection domain being not intended to be limiting of the invention.The test method of actual conditions is not specified in the following example,
Usually according to normal condition or the condition proposed by according to each manufacturer.
When embodiment provides numberical range, it should be appreciated that except non-present invention is otherwise noted, two ends of each numberical range
Any one numerical value can be selected between point and two endpoints.Unless otherwise defined, in the present invention all technologies for using and
Scientific terminology is identical with the normally understood meaning of those skilled in the art of the present technique.Except used in embodiment specific method, equipment,
Outside material, according to record of the those skilled in the art to the grasp of the prior art and the present invention, it can also use and this
Any method, equipment and the material of the similar or equivalent prior art of method, equipment described in inventive embodiments, material come real
The existing present invention.
Embodiment 1
In the present embodiment, to count in parts by weight, abrasion-proof pipe material prepares raw material, including：Ultra-high molecular weight polyethylene 30
Part, 30 parts of high density polyethylene (HDPE), 20 parts of low density polyethylene (LDPE), 3 parts of talcum powder, 17 parts of ethylene-octene copolymer, fluoride additive
0.3 part, anti-scratch 0.1 part of additive, 0.1 part of antioxidant.Wherein, the viscosity average molecular weigh of ultra-high molecular weight polyethylene is 2,500,000,
Fusing point is 190~210 DEG C；The number-average molecular weight of high density polyethylene (HDPE) is 50~800,000, and the melting under 190 DEG C, 2.16kg refers to
Number is 7.5~9.5g/10min, and density is 0.945~0.960g/cm3；The number-average molecular weight of low density polyethylene (LDPE) is 30~50
Ten thousand；Melt index under 190 DEG C, 2.16kg is 2~2.5g/10min, and density is 0.918~0.935g/cm3；Talcum powder
Mesh number is 300 mesh；The fusing point of ethylene-octene copolymer is 70~90 DEG C, and the melt flow rate (MFR) under 190 DEG C, 2.16Kg is
12g/10min；The marque of fluoride additive is PPA；The marque of anti-scratch additive is Ciba IRGASURF SR
100；Antioxidant uses antioxidant 1010.
In the present embodiment, the preparation method of abrasion-proof pipe material, including step：
(1) by proportioning, each prepare in raw material addition high mixer is mixed and is uniformly dispersed；It (2) will be finely dispersed
It prepares raw material and adds in extruding pelletization in double screw extruder, you can obtain abrasion-proof pipe material, wherein squeezed out in double screw extruder
190~240 DEG C, 400~420rpm of engine speed, feeding 20~27rpm of rotating speed of temperature, vacuum degree≤0.04kPa.
By the abrasion-proof pipe material that the present embodiment obtains according to the test method wear tested amount of JC/T260-1993, abrasion
It measures as 0.1g/cm2, impact strength 105KJ/m2.
Embodiment 2
In the present embodiment, to count in parts by weight, abrasion-proof pipe material prepares raw material, including：Ultra-high molecular weight polyethylene 25
Part, 20 parts of high density polyethylene (HDPE), 30 parts of low density polyethylene (LDPE), 4 parts of talcum powder, 10 parts of ethylene-octene copolymer, fluoride additive
0.4 part, anti-scratch 0.3 part of additive, 0.2 part of antioxidant.Wherein, the viscosity average molecular weigh of ultra-high molecular weight polyethylene is 2,840,000,
Fusing point is 190~210 DEG C；The number-average molecular weight of high density polyethylene (HDPE) is 50~800,000, and the melting under 190 DEG C, 2.16kg refers to
Number is 7.5~9.5g/10min, and density is 0.945~0.960g/cm3；The number-average molecular weight of low density polyethylene (LDPE) is 30~50
Ten thousand；Melt index under 190 DEG C, 2.16kg is 2~2.5g/10min, and density is 0.918~0.935g/cm3；Talcum powder
Mesh number is 500 mesh；The fusing point of ethylene-octene copolymer is 70~90 DEG C, and the melt flow rate (MFR) under 190 DEG C, 2.16Kg is
10g/10min；The marque of fluoride additive is PPA；The marque of anti-scratch additive is Ciba IRGASURF SR
100；Antioxidant uses antioxidant 1076.
In the present embodiment, the preparation method of abrasion-proof pipe material, including step：
(1) by proportioning, each prepare in raw material addition high mixer is mixed and is uniformly dispersed；It (2) will be finely dispersed
It prepares raw material and adds in extruding pelletization in double screw extruder, you can obtain abrasion-proof pipe material, wherein squeezed out in double screw extruder
190~240 DEG C, 400~420rpm of engine speed, feeding 20~27rpm of rotating speed of temperature, vacuum degree≤0.04kPa.
By the abrasion-proof pipe material that the present embodiment obtains according to the test method wear tested amount of JC/T260-1993, abrasion
It measures as 0.08g/cm2, impact strength 108KJ/m2.
Embodiment 3
In the present embodiment, to count in parts by weight, abrasion-proof pipe material prepares raw material, including：Ultra-high molecular weight polyethylene 20
Part, 25 parts of high density polyethylene (HDPE), 25 parts of low density polyethylene (LDPE), 5 parts of talcum powder, 20 parts of ethylene-octene copolymer, fluoride additive
0.5 part, anti-scratch 0.5 part of additive, 0.3 part of antioxidant.Wherein, the viscosity average molecular weigh of ultra-high molecular weight polyethylene is 3,000,000,
Fusing point is 190~210 DEG C；The number-average molecular weight of high density polyethylene (HDPE) is 50~800,000, and the melting under 190 DEG C, 2.16kg refers to
Number is 7.5~9.5g/10min, and density is 0.945~0.960g/cm3；The number-average molecular weight of low density polyethylene (LDPE) is 30~50
Ten thousand；Melt index under 190 DEG C, 2.16kg is 2~2.5g/10min, and density is 0.918~0.935g/cm3；Talcum powder
Mesh number is 300 mesh；The fusing point of ethylene-octene copolymer is 70~90 DEG C, and the melt flow rate (MFR) under 190 DEG C, 2.16Kg is
20g/10min；The marque of fluoride additive is PPA；The marque of anti-scratch additive is Ciba IRGASURF SR
100；Antioxidant uses anti-oxidant DLTP.
In the present embodiment, the preparation method of abrasion-proof pipe material, including step：
(1) by proportioning, each prepare in raw material addition high mixer is mixed and is uniformly dispersed；It (2) will be finely dispersed
It prepares raw material and adds in extruding pelletization in double screw extruder, you can obtain abrasion-proof pipe material, wherein squeezed out in double screw extruder
190~240 DEG C, 400~420rpm of engine speed, feeding 20~27rpm of rotating speed of temperature, vacuum degree≤0.04kPa.
By the abrasion-proof pipe material that the present embodiment obtains according to the test method wear tested amount of JC/T260-1993, abrasion
It measures as 0.05g/cm2, impact strength 120KJ/m2.
The above, only presently preferred embodiments of the present invention, not to the present invention in any form with substantial limitation,
It should be pointed out that for those skilled in the art, under the premise of the method for the present invention is not departed from, can also make
Several improvement and supplement, these are improved and supplement also should be regarded as protection scope of the present invention.All those skilled in the art,
Without departing from the spirit and scope of the present invention, when made using disclosed above technology contents it is a little more
Dynamic, modification and the equivalent variations developed, are the equivalent embodiment of the present invention；Meanwhile all substantial technologicals pair according to the present invention
The variation, modification and evolution of any equivalent variations that above-described embodiment is made still fall within the range of technical scheme of the present invention
It is interior.
Claims (10)
1. a kind of abrasion-proof pipe material, is counted in parts by weight, prepare raw material and include：20~30 parts of ultra-high molecular weight polyethylene is high
20~30 parts of density polyethylene, 20~30 parts of low density polyethylene (LDPE), 3~5 parts of talcum powder, 10~20 parts of ethylene-octene copolymer,
0.3~0.5 part of fluoride additive, anti-scratch 0.1~0.5 part of additive, 0.1~0.3 part of antioxidant.
2. abrasion-proof pipe material according to claim 1, which is characterized in that the viscous equal molecule of the ultra-high molecular weight polyethylene
For amount more than 2,500,000, fusing point is 190~210 DEG C.
3. abrasion-proof pipe material according to claim 1, which is characterized in that the number-average molecular weight of the high density polyethylene (HDPE) is
50~800,000；Melt index under 190 DEG C, 2.16kg is 7.5~9.5g/10min.
4. abrasion-proof pipe material according to claim 1, which is characterized in that the density of the high density polyethylene (HDPE) is 0.945
~0.960g/cm3。
5. abrasion-proof pipe material according to claim 1, which is characterized in that the number-average molecular weight of the low density polyethylene (LDPE) is
30~500,000；Melt index under 190 DEG C, 2.16kg is 2~2.5g/10min.
6. abrasion-proof pipe material according to claim 1, which is characterized in that the density of the low density polyethylene (LDPE) is 0.918
~0.935g/cm3。
7. abrasion-proof pipe material according to claim 1, which is characterized in that the mesh number of the talcum powder is 300~500 mesh.
8. abrasion-proof pipe material according to claim 1, which is characterized in that the fusing point of the ethylene-octene copolymer is 70
~90 DEG C, the melt flow rate (MFR) under 190 DEG C, 2.16Kg is 10~20g/10min.
9. such as the preparation method of any one of claim 1~8 abrasion-proof pipe material, including step：(1) by proportioning, original is prepared by each
Material is mixed and is uniformly dispersed；(2) raw material for preparing after being uniformly dispersed adds in extruding pelletization in double screw extruder, you can obtains
Abrasion-proof pipe material.
10. such as application of any one of the claim 1~8 abrasion-proof pipe material in abrasion-proof pipe field.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109181065A (en) * | 2018-08-19 | 2019-01-11 | 福建师范大学泉港石化研究院 | A kind of composition being used to prepare UHMWPE/HDPE tubing |
| CN109354752A (en) * | 2018-11-28 | 2019-02-19 | 吉林美高管道系统有限公司 | Polyvinyl piping materials |
| CN109485992A (en) * | 2018-09-12 | 2019-03-19 | 浙江科普特新材料有限公司 | A kind of thermoplastic vulcanizate composition and preparation method thereof of high abrasion low-friction coefficient |
| CN111019209A (en) * | 2018-10-10 | 2020-04-17 | 中国石油化工股份有限公司 | Ultra-high molecular weight polyethylene composition for preparing liner tube and preparation method thereof |
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| CN102417650A (en) * | 2011-11-28 | 2012-04-18 | 浙江伟星新型建材股份有限公司 | Wear-resistant crosslinked PE (Polyethylene) composite pipe and manufacturing method thereof |
| CN104031305A (en) * | 2014-05-08 | 2014-09-10 | 上海化工研究院 | Material special for ultrahigh-molecular-weight polyethylene tube, and preparation and application thereof |
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| CN102382344A (en) * | 2010-09-01 | 2012-03-21 | 中国石油化工股份有限公司 | Composition for preparing polyethylene pipe with superhigh molecular weight and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109181065A (en) * | 2018-08-19 | 2019-01-11 | 福建师范大学泉港石化研究院 | A kind of composition being used to prepare UHMWPE/HDPE tubing |
| CN109485992A (en) * | 2018-09-12 | 2019-03-19 | 浙江科普特新材料有限公司 | A kind of thermoplastic vulcanizate composition and preparation method thereof of high abrasion low-friction coefficient |
| CN111019209A (en) * | 2018-10-10 | 2020-04-17 | 中国石油化工股份有限公司 | Ultra-high molecular weight polyethylene composition for preparing liner tube and preparation method thereof |
| CN111019209B (en) * | 2018-10-10 | 2022-08-16 | 中国石油化工股份有限公司 | Ultra-high molecular weight polyethylene composition for preparing liner tube and preparation method thereof |
| CN109354752A (en) * | 2018-11-28 | 2019-02-19 | 吉林美高管道系统有限公司 | Polyvinyl piping materials |
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