CN107936336A - Regenerate the preparation method of railway joints - Google Patents

Regenerate the preparation method of railway joints Download PDF

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Publication number
CN107936336A
CN107936336A CN201711089069.6A CN201711089069A CN107936336A CN 107936336 A CN107936336 A CN 107936336A CN 201711089069 A CN201711089069 A CN 201711089069A CN 107936336 A CN107936336 A CN 107936336A
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CN
China
Prior art keywords
parts
weight
density polyethylene
ldpe
hdpe
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
Application number
CN201711089069.6A
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Chinese (zh)
Inventor
周晓勇
唐勇
陈道明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SICHUAN SUJIN TECHNOLOGY CO LTD
Original Assignee
SICHUAN SUJIN TECHNOLOGY CO LTD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SICHUAN SUJIN TECHNOLOGY CO LTD filed Critical SICHUAN SUJIN TECHNOLOGY CO LTD
Priority to CN201711089069.6A priority Critical patent/CN107936336A/en
Publication of CN107936336A publication Critical patent/CN107936336A/en
Pending legal-status Critical Current

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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
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/222—Magnesia, i.e. magnesium oxide
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • 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
    • 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
    • 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
    • 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
    • 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)

Abstract

The invention discloses a kind of preparation method for regenerating railway joints, comprise the following steps：1. respectively crushing 35 38 parts by weight low density polyethylene (LDPE) waste materials and 15 16 parts by weight high density polyethylene (HDPE) waste materials, clean, dry, homogenizing；2. by cleaned broken material and 16 20 parts by weight of polypropylene, 20 30 parts by weight of glass fiber, 0.8 1.5 parts by weight K2O, 35 parts by weight MgO, 12 parts by weight Al2O3, 57 parts by weight SiO2Pour high mixer stirring into；3. the mixture being stirred feeding double screw extruder is dissolved into extrusion；4. extruded stock cools down, it is granulated；5. it is sent into preheated mold after being molded and makes railway joints.Compared with the existing, railway joints made of the railway joints polymer composites that the present invention prepares have good high temperature deflection temperature, rigidity and intensity, and heat endurance is good.

Description

Regenerate the preparation method of railway joints
Technical field
The present invention relates to a kind of waste reclamation method, more particularly to a kind of preparation method for regenerating railway joints.
Background technology
Use of the plastics in the consumer goods is very extensive, however, the processing method after plastic material use causes pair The concern of greenhouse gas emission, mainly carbon dioxide, therefore, waste plastic recycling or waste plastic environment-friendly degradable are The common demands of society, but recycle so far less than satisfactory due to the aspect of technology.
The content of the invention
An object of the present invention, which is that, provides a kind of preparation method for regenerating railway joints, regeneration railway connection Railway joints made of the preparation method of part have good high temperature deflection temperature, rigidity and intensity, and heat endurance is good.
Technical solution is：A kind of preparation method for regenerating railway joints, comprises the following steps：
1. 35-38 parts by weight low density polyethylene (LDPE) waste materials and 15-16 parts by weight high density polyethylene (HDPE) waste materials are crushed respectively, Cleaning, dry, homogenizing, removes other non-low density polyethylene (LDPE), high density polyethylene (HDPE), metal and the elasticity contained in broken material Body；
2. by cleaned broken material and 16-20 parts by weight of polypropylene, 20-30 parts by weight of glass fiber, 0.8-1.5 weight Part K2O, 3-5 parts by weight MgO, 1-2 parts by weight Al2O3, 5-7 parts by weight SiO2Pour high mixer stirring into；
3. the mixture being stirred feeding double screw extruder is dissolved extrusion, feeding temperature is 200 DEG C, in melting temperature For 210 DEG C, extrusion temperature is 220 DEG C；
4. extruded stock cools down, it is granulated；
5. it is sent into preheated mold after being molded and makes railway joints.
Preferably, 35 parts by weight of low density polyethylene (LDPE)
15 parts by weight of high density polyethylene (HDPE)
16 parts by weight of polypropylene
20 parts by weight of glass fibre
K20.8 parts by weight of O
3 parts by weight of MgO
Al2O31 parts by weight
SiO25 parts by weight.
It is preferably, described
26 parts by weight of low density polyethylene (LDPE)
15.5 parts by weight of high density polyethylene (HDPE)
18 parts by weight of polypropylene
25 parts by weight of glass fibre
K21.2 parts by weight of O
4 parts by weight of MgO
Al2O31.5 parts by weight
SiO26 parts by weight.
Preferably, 38 parts by weight of low density polyethylene (LDPE)
16 parts by weight of high density polyethylene (HDPE)
20 parts by weight of polypropylene
30 parts by weight of glass fibre
K21.5 parts by weight of O
5 parts by weight of MgO
Al2O32 parts by weight
SiO27 parts by weight.
Beneficial effect：
Railway joints made of the waste plastic that the present invention prepares have good high temperature deflection temperature, rigidity and strong Degree, heat endurance is good, can substitute railway joints made of the non-obsolete material of in the market completely, and rigidity and intensity are also advantageous over Railway joints made of the non-obsolete material of in the market.
Embodiment
With reference to specific embodiment, the present invention is further illustrated.
Real row 1
1. respectively crushing 35 parts by weight low density polyethylene (LDPE) waste materials and 15 parts by weight high density polyethylene (HDPE) waste materials, clean, Dry, homogenizing, removes other non-low density polyethylene (LDPE), high density polyethylene (HDPE), metal and the elastomers contained in broken material.
2. by cleaned broken material and 16 parts by weight of polypropylene, 20 parts by weight of glass fiber, 0.8 parts by weight K2O, 3 weight Measure part MgO, 1 parts by weight Al2O3, 5 parts by weight SiO2Pour high mixer stirring into.
3. the mixture being stirred feeding double screw extruder is dissolved extrusion, feeding temperature is 200 DEG C, in melting temperature For 210 DEG C, extrusion temperature is 220 DEG C.
4. extruded stock cools down, it is granulated.
5. it is sent into preheated mold after being molded and makes railway joints.
Real row 2
1. 26 parts by weight low density polyethylene (LDPE) waste materials and 15.5 parts by weight high density polyethylene (HDPE) waste materials are crushed respectively, clearly Wash, dry, homogenizing, removes other non-low density polyethylene (LDPE), high density polyethylene (HDPE), metal and the elastomers contained in broken material.
2. by cleaned broken material and 18 parts by weight of polypropylene, 25 parts by weight of glass fiber, 1.2 parts by weight K24 weights of O Measure part MgO, 1.5 parts by weight Al2O3, 6 parts by weight SiO2Pour high mixer stirring into.
3. the mixture being stirred feeding double screw extruder is dissolved extrusion, feeding temperature is 200 DEG C, in melting temperature For 210 DEG C, extrusion temperature is 220 DEG C.
4. extruded stock cools down, it is granulated.
5. it is sent into preheated mold after being molded and makes railway joints.
Real row 3
1. respectively crushing 38 parts by weight low density polyethylene (LDPE) waste materials and 16 parts by weight high density polyethylene (HDPE) waste materials, clean, Dry, homogenizing, removes other non-low density polyethylene (LDPE), high density polyethylene (HDPE), metal and the elastomers contained in broken material.
2. by cleaned broken material and 20 parts by weight of polypropylene, 30 parts by weight of glass fiber, 1.5 parts by weight K25 weights of O Measure part MgO, 2 parts by weight Al2O3, 7 parts by weight SiO2Pour high mixer stirring into.
3. the mixture being stirred feeding double screw extruder is dissolved extrusion, feeding temperature is 200 DEG C, in melting temperature For 210 DEG C, extrusion temperature is 220 DEG C.
4. extruded stock cools down, it is granulated.
5. it is sent into preheated mold after being molded and makes railway joints.
The real row 1-3 railway joints prepared are used to substitute railway joints made of commercially available non-obsolete material, Using being detected after half a year, still with good high temperature deflection temperature, rigidity and intensity, heat endurance is good, wherein rigidity It is slightly above railway joints made of non-obsolete material with intensity.
It is the prior art unless otherwise instructed in the present invention.

Claims (4)

1. a kind of preparation method for regenerating railway joints, comprises the following steps：
1. 35-38 parts by weight low density polyethylene (LDPE) waste materials and 15-16 parts by weight high density polyethylene (HDPE) waste materials are crushed respectively, clearly Wash, dry, homogenizing, removes other non-low density polyethylene (LDPE), high density polyethylene (HDPE), metal and the elastomers contained in broken material；
2. by cleaned broken material and 16-20 parts by weight of polypropylene, 20-30 parts by weight of glass fiber, 0.8-1.5 parts by weight K2O, 3-5 parts by weight MgO, 1-2 parts by weight Al2O3, 5-7 parts by weight SiO2Pour high mixer stirring into；
3. the mixture being stirred feeding double screw extruder is dissolved extrusion, feeding temperature is 200 DEG C, is in melting temperature 210 DEG C, extrusion temperature is 220 DEG C；
4. extruded stock cools down, it is granulated；
5. it is sent into preheated mold after being molded and makes railway joints.
2. the preparation method of regeneration railway joints according to claim 1, it is characterised in that：It is described
35 parts by weight of low density polyethylene (LDPE)
15 parts by weight of high density polyethylene (HDPE)
16 parts by weight of polypropylene
20 parts by weight of glass fibre
K20.8 parts by weight of O
3 parts by weight of MgO
Al2O31 parts by weight
SiO25 parts by weight.
3. the preparation method of regeneration railway joints according to claim 1, it is characterised in that：It is described
26 parts by weight of low density polyethylene (LDPE)
15.5 parts by weight of high density polyethylene (HDPE)
18 parts by weight of polypropylene
25 parts by weight of glass fibre
K21.2 parts by weight of O
4 parts by weight of MgO
Al2O31.5 parts by weight
SiO26 parts by weight.
4. the preparation method of regeneration railway joints according to claim 1, it is characterised in that：It is described
38 parts by weight of low density polyethylene (LDPE)
16 parts by weight of high density polyethylene (HDPE)
20 parts by weight of polypropylene
30 parts by weight of glass fibre
K21.5 parts by weight of O
5 parts by weight of MgO
Al2O32 parts by weight
SiO27 parts by weight.
CN201711089069.6A 2017-11-08 2017-11-08 Regenerate the preparation method of railway joints Pending CN107936336A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711089069.6A CN107936336A (en) 2017-11-08 2017-11-08 Regenerate the preparation method of railway joints

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711089069.6A CN107936336A (en) 2017-11-08 2017-11-08 Regenerate the preparation method of railway joints

Publications (1)

Publication Number Publication Date
CN107936336A true CN107936336A (en) 2018-04-20

Family

ID=61933514

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711089069.6A Pending CN107936336A (en) 2017-11-08 2017-11-08 Regenerate the preparation method of railway joints

Country Status (1)

Country Link
CN (1) CN107936336A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1228102A (en) * 1996-06-17 1999-09-08 菲纳科·安斯托尔特 Plastic recycling process and process for producing plastic materials
CN101113230A (en) * 2007-08-08 2008-01-30 华南理工大学 Method for preparing unsaturated polyester cross-linking waste mold plastic

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1228102A (en) * 1996-06-17 1999-09-08 菲纳科·安斯托尔特 Plastic recycling process and process for producing plastic materials
CN101113230A (en) * 2007-08-08 2008-01-30 华南理工大学 Method for preparing unsaturated polyester cross-linking waste mold plastic

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王煦漫 等: "《高分子纳米复合材料》", 31 August 2017 *

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Application publication date: 20180420