CN109265724A - A kind of preparation method of EPE sheet material - Google Patents

A kind of preparation method of EPE sheet material Download PDF

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Publication number
CN109265724A
CN109265724A CN201810964795.6A CN201810964795A CN109265724A CN 109265724 A CN109265724 A CN 109265724A CN 201810964795 A CN201810964795 A CN 201810964795A CN 109265724 A CN109265724 A CN 109265724A
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China
Prior art keywords
parts
agent
epe
sheet material
minutes
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CN201810964795.6A
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Chinese (zh)
Inventor
谢勤
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Hefei Jinling Electric Appliance Co Ltd
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Hefei Jinling Electric Appliance Co Ltd
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Priority to CN201810964795.6A priority Critical patent/CN109265724A/en
Publication of CN109265724A publication Critical patent/CN109265724A/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
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/142—Compounds containing oxygen but no halogen atom
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014—Use of organic additives
    • C08J9/0023—Use of organic additives containing oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/141—Hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/12—Organic compounds only containing carbon, hydrogen and oxygen atoms, e.g. ketone or alcohol
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/18—Binary blends of expanding agents
    • C08J2203/182—Binary blends of expanding agents of physical blowing agents, e.g. acetone and butane
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
    • C08J2471/02—Polyalkylene oxides

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Emergency Medicine (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

The present invention provides a kind of preparation methods of EPE sheet material, comprising the following steps: S1 stock: weighs 360-400 parts of low density polyethylene (LDPE) particle, 80-100 parts of foaming agent, 50-70 parts of antishrinking agent, 30-50 parts of blowing promotor, 20-80 parts of in-lubricant and 10-30 parts of antistatic agent by weight；S2 mixing: by antishrinking agent, in-lubricant, antistatic agent, water is mixed, 30 DEG C -40 DEG C of stirrings 15-20 minutes, mixing speed 600r/min, low density polyethylene (LDPE) particle is put into the liquid being stirred, continue stirring 6-10 minutes, is heated to 55 DEG C and is kept for 40-50 minutes, be mixed into foaming agent and blowing promotor；S3 plasticizing；S4 sizing；Further include step S5: bonding one layer of cotton in EPE sheet surface, this method is easy to operate, and EPE sheet material sense of touch obtained is good, environmentally friendly and antistatic.

Description

A kind of preparation method of EPE sheet material
Technical field
The present invention relates to plastic manufacturing technology fields, more particularly to a kind of preparation method of EPE sheet material.
Background technique
EPE(Expandable Polyethylene), it is expandability polyethylene, also known as pearl cotton, is non-crosslinked closed pore knot Structure, it is the high foamed polyethylene product generated with low density polyethylene (LDPE) (LDPE) for main material extruding, traditional EPE pearl Cotton is unable to satisfy people to the needs of antistatic, and there are problems that sense of touch is bad and not environmentally.
Summary of the invention
It is an object of the present invention to provide a kind of preparation methods of EPE sheet material, and this method is easy to operate, EPE sheet material touching obtained Feel good, environmentally friendly and antistatic.
The technical scheme is that a kind of preparation method of EPE sheet material, which comprises the following steps:
S1 stock: 360-400 parts of low density polyethylene (LDPE) particle, 80-100 parts of foaming agent, antishrinking agent 50-70 are weighed by weight Part, 30-50 parts of blowing promotor, 20-80 parts of in-lubricant and 10-30 parts of antistatic agent；
S2 mixing: by antishrinking agent, in-lubricant, antistatic agent, water mixed, 30 DEG C -40 DEG C of stirrings 15-20 minutes, Mixing speed is 600r/min, and low density polyethylene (LDPE) particle is put into the liquid being stirred, and continues stirring 6-10 minutes, is heated to It 55 DEG C and is kept for 40-50 minutes, is mixed into foaming agent and blowing promotor；
S3 plasticizing: being added extruder for mixture made from step S2, promoted by screw rod, and the revolving speed of screw rod is 100r/ Min is heated to 275 DEG C to molten condition in plasticizing bringing-up section, mixture is cooled to 125 DEG C in molding bringing-up section, from die orifice Middle extrusion, die temperature are 170 DEG C；
S4 sizing: the EPE material that extruder squeezes out is carried out shaping using air blower, and the rewinding after sizing, obtains EPE piece Material.
Further, further include step S5: bonding one layer of cotton in EPE sheet surface, the breadth of the cotton is 1m, warp Yarn and weft yarn are 40*40, are 133*72 through close and filling density.
Further, the low density polyethylene (LDPE) grain diameter is 80-160 mesh.
Further, the foaming agent is the mixture of ether, toluene and acetone, and the antishrinking agent includes molecular distillation Monoglyceride, the blowing promotor are the mixture of butane, ethanol amine, ammonium hydroxide and glycerol, and the in-lubricant is polyethylene wax, institute Stating antistatic agent includes polyethylene glycol oxide, ethylene oxide.
The beneficial effects of the present invention are: this method is easy to operate, EPE sheet material sense of touch obtained is good, environmentally friendly and antistatic.
Specific embodiment
Embodiment 1
A kind of preparation method of EPE sheet material, which comprises the following steps:
S1 stock: 360 parts of low density polyethylene (LDPE) particle, 80 parts of foaming agent, 50 parts of antishrinking agent, blowing promotor are weighed by weight 30 parts, 20 parts of in-lubricant and 10 parts of antistatic agent；
S2 mixing: by antishrinking agent, in-lubricant, antistatic agent, water mixed, stirred 15 minutes at 30 DEG C -40 DEG C, stirring Speed is 600r/min, and low density polyethylene (LDPE) particle is put into the liquid being stirred, and continues stirring 6 minutes, is heated to 55 DEG C simultaneously It is kept for 40 minutes, is mixed into foaming agent and blowing promotor；
S3 plasticizing: being added extruder for mixture made from step S2, promoted by screw rod, and the revolving speed of screw rod is 100r/ Min is heated to 275 DEG C to molten condition in plasticizing bringing-up section, mixture is cooled to 125 DEG C in molding bringing-up section, from die orifice Middle extrusion, die temperature are 170 DEG C；
S4 sizing: the EPE material that extruder squeezes out is carried out shaping using air blower, and the rewinding after sizing, obtains EPE piece Material.
Further, further include step S5: bonding one layer of cotton in EPE sheet surface, the breadth of the cotton is 1m, warp Yarn and weft yarn are 40*40, are 133*72 through close and filling density.
Further, the low density polyethylene (LDPE) grain diameter is 80 mesh.
Further, the foaming agent is the mixture of ether, toluene and acetone, and the antishrinking agent includes molecular distillation Monoglyceride, the blowing promotor are the mixture of butane, ethanol amine, ammonium hydroxide and glycerol, and the in-lubricant is polyethylene wax, institute Stating antistatic agent includes polyethylene glycol oxide, ethylene oxide.
Embodiment 2
A kind of preparation method of EPE sheet material, which comprises the following steps:
S1 stock: 400 parts of low density polyethylene (LDPE) particle is weighed by weight, 100 parts of foaming agent, 70 parts of antishrinking agent, foams and helps 50 parts of agent, 80 parts of in-lubricant and 30 parts of antistatic agent；
S2 mixing: by antishrinking agent, in-lubricant, antistatic agent, water mixed, stirred 20 minutes at 30 DEG C -40 DEG C, stirring Speed is 600r/min, and low density polyethylene (LDPE) particle is put into the liquid being stirred, and continues stirring 10 minutes, is heated to 55 DEG C simultaneously It is kept for 50 minutes, is mixed into foaming agent and blowing promotor；
S3 plasticizing: being added extruder for mixture made from step S2, promoted by screw rod, and the revolving speed of screw rod is 100r/ Min is heated to 275 DEG C to molten condition in plasticizing bringing-up section, mixture is cooled to 125 DEG C in molding bringing-up section, from die orifice Middle extrusion, die temperature are 170 DEG C；
S4 sizing: the EPE material that extruder squeezes out is carried out shaping using air blower, and the rewinding after sizing, obtains EPE piece Material.
Further, further include step S5: bonding one layer of cotton in EPE sheet surface, the breadth of the cotton is 1m, warp Yarn and weft yarn are 40*40, are 133*72 through close and filling density.
Further, the low density polyethylene (LDPE) grain diameter is 160 mesh.
Further, the foaming agent is the mixture of ether, toluene and acetone, and the antishrinking agent includes molecular distillation Monoglyceride, the blowing promotor are the mixture of butane, ethanol amine, ammonium hydroxide and glycerol, and the in-lubricant is polyethylene wax, institute Stating antistatic agent includes polyethylene glycol oxide, ethylene oxide.
Embodiment 3
A kind of preparation method of EPE sheet material, which comprises the following steps:
S1 stock: 380 parts of low density polyethylene (LDPE) particle, 90 parts of foaming agent, 60 parts of antishrinking agent, blowing promotor are weighed by weight 40 parts, 50 parts of in-lubricant and 20 parts of antistatic agent；
S2 mixing: by antishrinking agent, in-lubricant, antistatic agent, water mixed, stirred 18 minutes at 30 DEG C -40 DEG C, stirring Speed is 600r/min, and low density polyethylene (LDPE) particle is put into the liquid being stirred, and continues stirring 8 minutes, is heated to 55 DEG C simultaneously It is kept for 45 minutes, is mixed into foaming agent and blowing promotor；
S3 plasticizing: being added extruder for mixture made from step S2, promoted by screw rod, and the revolving speed of screw rod is 100r/ Min is heated to 275 DEG C to molten condition in plasticizing bringing-up section, mixture is cooled to 125 DEG C in molding bringing-up section, from die orifice Middle extrusion, die temperature are 170 DEG C；
S4 sizing: the EPE material that extruder squeezes out is carried out shaping using air blower, and the rewinding after sizing, obtains EPE piece Material.
Further, further include step S5: bonding one layer of cotton in EPE sheet surface, the breadth of the cotton is 1m, warp Yarn and weft yarn are 40*40, are 133*72 through close and filling density.
Further, the low density polyethylene (LDPE) grain diameter is 120 mesh.
Further, the foaming agent is the mixture of ether, toluene and acetone, and the antishrinking agent includes molecular distillation Monoglyceride, the blowing promotor are the mixture of butane, ethanol amine, ammonium hydroxide and glycerol, and the in-lubricant is polyethylene wax, institute Stating antistatic agent includes polyethylene glycol oxide, ethylene oxide.

Claims (4)

1. a kind of preparation method of EPE sheet material, which comprises the following steps:
S1 stock: 360-400 parts of low density polyethylene (LDPE) particle, 80-100 parts of foaming agent, antishrinking agent 50-70 are weighed by weight Part, 30-50 parts of blowing promotor, 20-80 parts of in-lubricant and 10-30 parts of antistatic agent；
S2 mixing: by antishrinking agent, in-lubricant, antistatic agent, water mixed, 30 DEG C -40 DEG C of stirrings 15-20 minutes, Mixing speed is 600r/min, and low density polyethylene (LDPE) particle is put into the liquid being stirred, and continues stirring 6-10 minutes, is heated to It 55 DEG C and is kept for 40-50 minutes, is mixed into foaming agent and blowing promotor；
S3 plasticizing: being added extruder for mixture made from step S2, promoted by screw rod, and the revolving speed of screw rod is 100r/ Min is heated to 275 DEG C to molten condition in plasticizing bringing-up section, mixture is cooled to 125 DEG C in molding bringing-up section, from die orifice Middle extrusion, die temperature are 170 DEG C；
S4 sizing: the EPE material that extruder squeezes out is carried out shaping using air blower, and the rewinding after sizing, obtains EPE piece Material.
2. a kind of preparation method of EPE sheet material according to claim 1, which is characterized in that further include step S5: in EPE Sheet surface bonds one layer of cotton, and the breadth of the cotton is 1m, and it is 133*72 through close and filling density that warp thread and weft yarn, which are 40*40,.
3. a kind of preparation method of EPE sheet material according to claim 2, which is characterized in that the low density polyethylene (LDPE) Grain partial size is 80-160 mesh.
4. a kind of preparation method of EPE sheet material according to claim 1, which is characterized in that the foaming agent is ether, first The mixture of benzene and acetone, the antishrinking agent include molecule distillating monoglyceride, and the blowing promotor is butane, ethanol amine, ammonia The mixture of water and glycerol, the in-lubricant are polyethylene wax, and the antistatic agent includes polyethylene glycol oxide, ethylene oxide.
CN201810964795.6A 2018-08-23 2018-08-23 A kind of preparation method of EPE sheet material Pending CN109265724A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114736447A (en) * 2022-04-25 2022-07-12 深圳市津诚科技有限公司 Anti-static foam and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001146530A (en) * 1999-11-22 2001-05-29 Mitsui Chemicals Inc Linear polyolefin foam and its preparation process
CN203864133U (en) * 2014-01-21 2014-10-08 浙江九鼎塑化科技有限公司海宁分公司 Fabric and EPE (expandable polyethylene) composite board
CN107629284A (en) * 2017-08-24 2018-01-26 南通通联海绵塑料有限公司 A kind of preparation method of antistatic foaming EPE pearl wool
CN107629285A (en) * 2017-08-24 2018-01-26 南通通联海绵塑料有限公司 A kind of EPE pearl wool packaging material preparation method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001146530A (en) * 1999-11-22 2001-05-29 Mitsui Chemicals Inc Linear polyolefin foam and its preparation process
CN203864133U (en) * 2014-01-21 2014-10-08 浙江九鼎塑化科技有限公司海宁分公司 Fabric and EPE (expandable polyethylene) composite board
CN107629284A (en) * 2017-08-24 2018-01-26 南通通联海绵塑料有限公司 A kind of preparation method of antistatic foaming EPE pearl wool
CN107629285A (en) * 2017-08-24 2018-01-26 南通通联海绵塑料有限公司 A kind of EPE pearl wool packaging material preparation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114736447A (en) * 2022-04-25 2022-07-12 深圳市津诚科技有限公司 Anti-static foam and preparation method thereof
CN114736447B (en) * 2022-04-25 2023-08-04 深圳市津诚科技有限公司 Antistatic foam and preparation method thereof

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Application publication date: 20190125