CN108623885A - A kind of preparation method and applications of antistatic compound pearl cotton material - Google Patents
A kind of preparation method and applications of antistatic compound pearl cotton material Download PDFInfo
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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
- C08J9/141—Hydrocarbons
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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
- C08J9/0014—Use of organic additives
- C08J9/0033—Use of organic additives containing sulfur
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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
- C08J9/0066—Use of inorganic compounding ingredients
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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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
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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
- 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
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Abstract
The invention discloses a kind of preparation method and applications of antistatic compound pearl cotton material, this method is aluminium hydroxide, montmorillonite to be carried out co-grinding to obtain ultra-fine grinding mixture spare；Low density polyethylene (LDPE), melamine phosphate, toluene di-isocyanate(TDI) are made to the mixed reactant of molten condition, neopelex, ethyoxyl cocoalkyl amines, cumyl peroxide heating are mixed to get heating stirring mixture, asbestos fibre, nucleating agent are added after then the mixed reactant of molten condition is mixed with heating stirring mixture, it is heated to stir the polymerizate for forming molten condition；Finally the ultra-fine grinding mixture of beginning is added in the polymerizate of molten condition, and injects foaming agent and foams, then is continuously squeezed out through single screw extrusion machine, extruded stock obtains finished-product material after cooling and shaping.The compound pearl cotton material being prepared, antistatic effect is good and stretch-proof, has a good application prospect as packaging material.
Description
Technical field
The present invention relates to field of packaging material, and in particular to a kind of preparation method of antistatic compound pearl cotton material
And its application.
Background technology
Polyethylene foam cotton is non-crosslinked hole-closing structure, also known as EPE pearl cottons, is a kind of packing timber of novel environment friendly
Material.It generates countless independent air bubbles through physical blowing by ldpe resin and constitutes, and is widely used in automobile cushion, embraces
Pillow, electronic apparatus, instrument and meter, computer, sound equipment, medical instrument, industry control cabinet, hardware and lamp decoration, craftwork, glass, ceramics, family
The interior packet of the high-grade frangible gift wrap such as electricity, spraying, furniture family property, drinks and resin, hardware, toy, melon and fruit, leather shoes
The packaging of the multiple products such as dress, daily necessities and express delivery packaging.For semiconductor product, highly integrated precision electronic element, essence
Close instrument and equipment, Medical Devices and chemical products etc., in storage, transport process, due to friction, shock, external electrical field
With the influence in magnetic field, electrostatic is easy tod produce, electrostatic precipitation can influence the performance of product, and accumulation of static electricity under suitable conditions can
Electric discharge is generated, causes product failure or component wear, is likely to result in great economic loss.This requires be used for above-mentioned device
Or the packaging material of product has more excellent antistatic performance, and general Pearl wool material can not meet this well
One demand.
Invention content
In order to solve the above technical problems, the present invention provides a kind of preparation method of antistatic compound pearl cotton material and its answers
It is aluminium hydroxide, montmorillonite to be subjected to co-grinding to obtain ultra-fine grinding mixture spare with, this method；By low density polyethylene
The mixed reactant of molten condition is made in alkene, melamine phosphate, toluene di-isocyanate(TDI), by neopelex,
Ethyoxyl cocoalkyl amines, cumyl peroxide heating are mixed to get heating stirring mixture, then by the mixed of molten condition
It closes and asbestos fibre, nucleating agent is added after reactant is mixed with heating stirring mixture, heated stir forms the poly- of molten condition
Close product；Finally the ultra-fine grinding mixture of beginning is added in the polymerizate of molten condition, and injects foaming agent progress
Foaming, then continuously squeezed out through single screw extrusion machine, extruded stock obtains finished-product material after cooling and shaping.What is be prepared answers
Pearl wool material is closed, antistatic effect is good and stretch-proof, has a good application prospect as packaging material.
Technical solution：To solve the above-mentioned problems, the invention discloses a kind of preparations of antistatic compound pearl cotton material
Method comprises the steps of：
（1）6~8 parts of aluminium hydroxide, 3~5 parts of montmorillonite are placed in the pulverization cylinder of ultrafine crusher and carry out co-grinding, is sieved
The ultra-fine grinding mixture that grain size is 260~300 mesh is obtained afterwards；
（2）55~65 parts of low density polyethylene (LDPE), 18~20 parts of melamine phosphate, 12~15 parts of toluene di-isocyanate(TDI) are set
In reaction kettle, temperature of reaction kettle is increased to 220~250 DEG C, keeps the temperature 30~50 minutes, after reaction fully, is melted
The mixed reactant of state；
（3）7~9 parts of neopelex, 6~8 parts of ethyoxyl cocoalkyl amines, 3~5 parts of cumyl peroxide are set
In high-speed mixer, heating mixing, incorporation time 15 are carried out with 1000~1200 revs/min of rate at 80~90 DEG C
~25 minutes, obtain heating stirring mixture；
（4）By step（2）Molten condition mixed reactant and step（3）Heating stirring mixture be collectively disposed at blender
In, it is stirred with 80~100 revs/min of rate at 220~250 DEG C, and asbestos are added thereto while agitating
8~10 parts of fiber, 0.5~1.5 part of nucleating agent, form the polymerizate of molten condition；
（5）By step（1）Ultra-fine grinding mixture be added to step（4）Molten condition polymerizate in formed mixing
Colloidal sol, while 1~2 part of foaming agent is injected, it carries out continuing foaming at 320~350 DEG C so that generate in mixed sols a large amount of
Bubble forms foaming concentrate；
（6）By step（5）Foaming concentrate be added single screw extrusion machine continuously squeezed out, extruded stock obtains after cooling and shaping
Finished-product material.
Further, the step（1）Middle pulverizer rotating speed is 1500~2500 revs/min, and grinding time is 40~80
Minute.
Further, the step（4）In nucleating agent be preferably calcium sulfate crystal whiskers.
Further, the step（5）In foaming agent be preferably butane.
Further, the step（6）Middle single screw extrusion machine temperature is 180~200 DEG C, 500 revs/min of screw speed
Clock, 45 Hz of feeding frequency, 2.5 MPa of melt pressure.
At the same time, the invention also discloses antistatic compound pearl cotton materials made from above-mentioned preparation method as packaging
The application of material.
Compared with prior art, the present invention advantage is：
（1）The preparation method of the antistatic compound pearl cotton material of the present invention is that aluminium hydroxide, montmorillonite are carried out co-grinding
It is spare to obtain ultra-fine grinding mixture；Molten is made in low density polyethylene (LDPE), melamine phosphate, toluene di-isocyanate(TDI)
Neopelex, ethyoxyl cocoalkyl amines, cumyl peroxide heating are mixed to get by the mixed reactant of state
Heating stirring mixture, after then the mixed reactant of molten condition is mixed with heating stirring mixture be added asbestos fibre,
Nucleating agent, it is heated to stir the polymerizate for forming molten condition；The ultra-fine grinding mixture of beginning is finally added to melting
It in the polymerizate of state, and injects foaming agent and foams, then continuously squeezed out through single screw extrusion machine, extruded stock is through cold
But finished-product material is obtained after being molded.The compound pearl cotton material being prepared, antistatic effect is good and stretch-proof, as packet
Package material has a good application prospect.
（2）Present invention employs neopelex, ethyoxyl cocoalkyl amines, cumyl peroxides to participate in system
Standby antistatic compound pearl cotton material, has carried out effective performance boost, although these materials are not to compound pearl cotton material
First Application is aided with corresponding processing mode after amount combination according to a certain ratio in compound pearl cotton material, to last system
Standby obtained compound pearl cotton material brings increasing substantially in performance, this is never to report in previous research
It crosses, for realizing that it is conclusive that the technique effect of the present invention plays the role of.
Specific implementation mode
Embodiment 1
（1）6 parts of aluminium hydroxide, 3 parts of montmorillonite are placed in the pulverization cylinder of ultrafine crusher and carry out co-grinding, pulverizer rotating speed
It it is 1500 revs/min, grinding time is 40 minutes, and the ultra-fine grinding mixture that grain size is 260 mesh is obtained after screening；
（2）55 parts of low density polyethylene (LDPE), 18 parts of melamine phosphate, 12 parts of toluene di-isocyanate(TDI) are placed in reaction kettle,
Temperature of reaction kettle is increased to 220 DEG C, keeps the temperature 30 minutes, after reaction fully, obtains the mixed reactant of molten condition；
（3）It is mixed that 7 parts of neopelex, 6 parts of ethyoxyl cocoalkyl amines, 3 parts of cumyl peroxide are placed in high speed
In conjunction machine, heating mixing is carried out with 1000 revs/min of rate at 80 DEG C, incorporation time is 15 minutes, obtains heating stirring
Mixture；
（4）By step（2）Molten condition mixed reactant and step（3）Heating stirring mixture be collectively disposed at blender
In, it is stirred with 80 revs/min of rate at 220 DEG C, and 8 parts of asbestos fibre, sulphur is added thereto while agitating
0.5 part of sour calcium pyroborate, forms the polymerizate of molten condition；
（5）By step（1）Ultra-fine grinding mixture be added to step（4）Molten condition polymerizate in formed mixing
Colloidal sol, while 1 part of butane foaming agent is injected, it carries out continuing foaming at 320 DEG C so that generate a large amount of gas in mixed sols
Bubble forms foaming concentrate；
（6）By step（5）Foaming concentrate be added single screw extrusion machine continuously squeezed out, single screw extrusion machine temperature be 180
DEG C, 500 revs/min of screw speed, 45 Hz of feeding frequency, 2.5 MPa of melt pressure, extruded stock obtains into after cooling and shaping
Product material.
Embodiment 2
（1）7 parts of aluminium hydroxide, 4 parts of montmorillonite are placed in the pulverization cylinder of ultrafine crusher and carry out co-grinding, pulverizer rotating speed
It it is 2000 revs/min, grinding time is 60 minutes, and the ultra-fine grinding mixture that grain size is 280 mesh is obtained after screening；
（2）60 parts of low density polyethylene (LDPE), 19 parts of melamine phosphate, 13 parts of toluene di-isocyanate(TDI) are placed in reaction kettle,
Temperature of reaction kettle is increased to 235 DEG C, keeps the temperature 40 minutes, after reaction fully, obtains the mixed reactant of molten condition；
（3）It is mixed that 8 parts of neopelex, 7 parts of ethyoxyl cocoalkyl amines, 4 parts of cumyl peroxide are placed in high speed
In conjunction machine, heating mixing is carried out with 1100 revs/min of rate at 85 DEG C, incorporation time is 20 minutes, obtains heating stirring
Mixture；
（4）By step（2）Molten condition mixed reactant and step（3）Heating stirring mixture be collectively disposed at blender
In, it is stirred with 90 revs/min of rate at 235 DEG C, and 9 parts of asbestos fibre, sulphur is added thereto while agitating
1 part of sour calcium pyroborate, forms the polymerizate of molten condition；
（5）By step（1）Ultra-fine grinding mixture be added to step（4）Molten condition polymerizate in formed mixing
Colloidal sol, while 1.5 parts of butane foaming agent is injected, it carries out continuing foaming at 335 DEG C so that generate a large amount of gas in mixed sols
Bubble forms foaming concentrate；
（6）By step（5）Foaming concentrate be added single screw extrusion machine continuously squeezed out, single screw extrusion machine temperature be 190
DEG C, 500 revs/min of screw speed, 45 Hz of feeding frequency, 2.5 MPa of melt pressure, extruded stock obtains into after cooling and shaping
Product material.
Embodiment 3
（1）8 parts of aluminium hydroxide, 5 parts of montmorillonite are placed in the pulverization cylinder of ultrafine crusher and carry out co-grinding, pulverizer rotating speed
It it is 2500 revs/min, grinding time is 80 minutes, and the ultra-fine grinding mixture that grain size is 300 mesh is obtained after screening；
（2）65 parts of low density polyethylene (LDPE), 20 parts of melamine phosphate, 15 parts of toluene di-isocyanate(TDI) are placed in reaction kettle,
Temperature of reaction kettle is increased to 250 DEG C, keeps the temperature 50 minutes, after reaction fully, obtains the mixed reactant of molten condition；
（3）It is mixed that 9 parts of neopelex, 8 parts of ethyoxyl cocoalkyl amines, 5 parts of cumyl peroxide are placed in high speed
In conjunction machine, heating mixing is carried out with 1200 revs/min of rate at 90 DEG C, incorporation time is 25 minutes, obtains heating stirring
Mixture；
（4）By step（2）Molten condition mixed reactant and step（3）Heating stirring mixture be collectively disposed at blender
In, be stirred with 100 revs/min of rate at 250 DEG C, and while agitating thereto be added 10 parts of asbestos fibre,
1.5 parts of calcium sulfate crystal whiskers, form the polymerizate of molten condition；
（5）By step（1）Ultra-fine grinding mixture be added to step（4）Molten condition polymerizate in formed mixing
Colloidal sol, while 2 parts of butane foaming agent is injected, it carries out continuing foaming at 350 DEG C so that generate a large amount of gas in mixed sols
Bubble forms foaming concentrate；
（6）By step（5）Foaming concentrate be added single screw extrusion machine continuously squeezed out, single screw extrusion machine temperature be 200
DEG C, 500 revs/min of screw speed, 45 Hz of feeding frequency, 2.5 MPa of melt pressure, extruded stock obtains into after cooling and shaping
Product material.
Comparative example 1
（1）8 parts of aluminium hydroxide, 5 parts of montmorillonite are placed in the pulverization cylinder of ultrafine crusher and carry out co-grinding, pulverizer rotating speed
It it is 2500 revs/min, grinding time is 80 minutes, and the ultra-fine grinding mixture that grain size is 300 mesh is obtained after screening；
（2）65 parts of low density polyethylene (LDPE), 20 parts of melamine phosphate, 15 parts of toluene di-isocyanate(TDI) are placed in reaction kettle,
Temperature of reaction kettle is increased to 250 DEG C, keeps the temperature 50 minutes, after reaction fully, obtains the mixed reactant of molten condition；
（3）8 parts of ethyoxyl cocoalkyl amines, 5 parts of cumyl peroxide are placed in high-speed mixer, with 1200 at 90 DEG C
Rev/min rate carry out heating mixing, incorporation time is 25 minutes, obtains heating stirring mixture；
（4）By step（2）Molten condition mixed reactant and step（3）Heating stirring mixture be collectively disposed at blender
In, be stirred with 100 revs/min of rate at 250 DEG C, and while agitating thereto be added 10 parts of asbestos fibre,
1.5 parts of calcium sulfate crystal whiskers, form the polymerizate of molten condition；
（5）By step（1）Ultra-fine grinding mixture be added to step（4）Molten condition polymerizate in formed mixing
Colloidal sol, while 2 parts of butane foaming agent is injected, it carries out continuing foaming at 350 DEG C so that generate a large amount of gas in mixed sols
Bubble forms foaming concentrate；
（6）By step（5）Foaming concentrate be added single screw extrusion machine continuously squeezed out, single screw extrusion machine temperature be 200
DEG C, 500 revs/min of screw speed, 45 Hz of feeding frequency, 2.5 MPa of melt pressure, extruded stock obtains into after cooling and shaping
Product material.
Comparative example 2
（1）8 parts of aluminium hydroxide, 5 parts of montmorillonite are placed in the pulverization cylinder of ultrafine crusher and carry out co-grinding, pulverizer rotating speed
It it is 2500 revs/min, grinding time is 80 minutes, and the ultra-fine grinding mixture that grain size is 300 mesh is obtained after screening；
（2）65 parts of low density polyethylene (LDPE), 20 parts of melamine phosphate, 15 parts of toluene di-isocyanate(TDI) are placed in reaction kettle,
Temperature of reaction kettle is increased to 250 DEG C, keeps the temperature 50 minutes, after reaction fully, obtains the mixed reactant of molten condition；
（3）9 parts of neopelex, 5 parts of cumyl peroxide are placed in high-speed mixer, with 1200 at 90 DEG C
Rev/min rate carry out heating mixing, incorporation time is 25 minutes, obtains heating stirring mixture；
（4）By step（2）Molten condition mixed reactant and step（3）Heating stirring mixture be collectively disposed at blender
In, be stirred with 100 revs/min of rate at 250 DEG C, and while agitating thereto be added 10 parts of asbestos fibre,
1.5 parts of calcium sulfate crystal whiskers, form the polymerizate of molten condition；
（5）By step（1）Ultra-fine grinding mixture be added to step（4）Molten condition polymerizate in formed mixing
Colloidal sol, while 2 parts of butane foaming agent is injected, it carries out continuing foaming at 350 DEG C so that generate a large amount of gas in mixed sols
Bubble forms foaming concentrate；
（6）By step（5）Foaming concentrate be added single screw extrusion machine continuously squeezed out, single screw extrusion machine temperature be 200
DEG C, 500 revs/min of screw speed, 45 Hz of feeding frequency, 2.5 MPa of melt pressure, extruded stock obtains into after cooling and shaping
Product material.
Comparative example 3
（1）8 parts of aluminium hydroxide, 5 parts of montmorillonite are placed in the pulverization cylinder of ultrafine crusher and carry out co-grinding, pulverizer rotating speed
It it is 2500 revs/min, grinding time is 80 minutes, and the ultra-fine grinding mixture that grain size is 300 mesh is obtained after screening；
（2）65 parts of low density polyethylene (LDPE), 20 parts of melamine phosphate, 15 parts of toluene di-isocyanate(TDI) are placed in reaction kettle,
Temperature of reaction kettle is increased to 250 DEG C, keeps the temperature 50 minutes, after reaction fully, obtains the mixed reactant of molten condition；
（3）9 parts of neopelex, 8 parts of ethyoxyl cocoalkyl amines are placed in high-speed mixer, at 90 DEG C with
1200 revs/min of rate carries out heating mixing, and incorporation time is 25 minutes, obtains heating stirring mixture；
（4）By step（2）Molten condition mixed reactant and step（3）Heating stirring mixture be collectively disposed at blender
In, be stirred with 100 revs/min of rate at 250 DEG C, and while agitating thereto be added 10 parts of asbestos fibre,
1.5 parts of calcium sulfate crystal whiskers, form the polymerizate of molten condition；
（5）By step（1）Ultra-fine grinding mixture be added to step（4）Molten condition polymerizate in formed mixing
Colloidal sol, while 2 parts of butane foaming agent is injected, it carries out continuing foaming at 350 DEG C so that generate a large amount of gas in mixed sols
Bubble forms foaming concentrate；
（6）By step（5）Foaming concentrate be added single screw extrusion machine continuously squeezed out, single screw extrusion machine temperature be 200
DEG C, 500 revs/min of screw speed, 45 Hz of feeding frequency, 2.5 MPa of melt pressure, extruded stock obtains into after cooling and shaping
Product material.
By the compound pearl cotton material obtained of embodiment 1-3 and comparative example 1-3 respectively according to the side of GB/T1410-2006
Method measures surface resistivity, while measuring tensile strength according to the method for GB/T1040-2006, and test result is as shown in table 1.
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| Surface resistivity（Ω） | 5×108 | 6×108 | 5×108 | 3×109 | 1×1010 | 7×109 |
| Tensile strength（kg/cm2） | 3.8 | 3.9 | 3.9 | 3.5 | 3.4 | 3.4 |
The preparation method of the antistatic compound pearl cotton material of the present invention is that aluminium hydroxide, montmorillonite are carried out co-grinding to obtain
Ultra-fine grinding mixture is spare；Molten condition is made in low density polyethylene (LDPE), melamine phosphate, toluene di-isocyanate(TDI)
Neopelex, ethyoxyl cocoalkyl amines, cumyl peroxide heating are mixed to get heating by mixed reactant
Mixture is stirred, asbestos fibre, nucleation are added after then mixing the mixed reactant of molten condition with heating stirring mixture
Agent, it is heated to stir the polymerizate for forming molten condition；The ultra-fine grinding mixture of beginning is finally added to molten condition
Polymerizate in, and inject foaming agent and foam, then continuously squeezed out through single screw extrusion machine, extruded stock is through being cooled to
Finished-product material is obtained after type.The compound pearl cotton material being prepared, antistatic effect is good and stretch-proof, as packing timber
Material has a good application prospect.Also, present invention employs neopelex, ethyoxyl cocoalkyl amines, peroxides
Change diisopropylbenzene (DIPB) participation and prepare antistatic compound pearl cotton material, effective performance boost has been carried out to compound pearl cotton material,
Although these materials are not first Application in compound pearl cotton material, according to a certain ratio after amount combination, it is aided with corresponding
Processing mode brings increasing substantially in performance to the compound pearl cotton material being finally prepared, this is previous
Research in be never to report, for realize the present invention technique effect play the role of it is conclusive.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (6)
1. a kind of preparation method of antistatic compound pearl cotton material, which is characterized in that comprise the steps of：
（1）6~8 parts of aluminium hydroxide, 3~5 parts of montmorillonite are placed in the pulverization cylinder of ultrafine crusher and carry out co-grinding, is sieved
The ultra-fine grinding mixture that grain size is 260~300 mesh is obtained afterwards；
（2）55~65 parts of low density polyethylene (LDPE), 18~20 parts of melamine phosphate, 12~15 parts of toluene di-isocyanate(TDI) are set
In reaction kettle, temperature of reaction kettle is increased to 220~250 DEG C, keeps the temperature 30~50 minutes, after reaction fully, is melted
The mixed reactant of state；
（3）7~9 parts of neopelex, 6~8 parts of ethyoxyl cocoalkyl amines, 3~5 parts of cumyl peroxide are set
In high-speed mixer, heating mixing, incorporation time 15 are carried out with 1000~1200 revs/min of rate at 80~90 DEG C
~25 minutes, obtain heating stirring mixture；
（4）By step（2）Molten condition mixed reactant and step（3）Heating stirring mixture be collectively disposed at blender
In, it is stirred with 80~100 revs/min of rate at 220~250 DEG C, and asbestos are added thereto while agitating
8~10 parts of fiber, 0.5~1.5 part of nucleating agent, form the polymerizate of molten condition；
（5）By step（1）Ultra-fine grinding mixture be added to step（4）Molten condition polymerizate in formed mixing
Colloidal sol, while 1~2 part of foaming agent is injected, it carries out continuing foaming at 320~350 DEG C so that generate in mixed sols a large amount of
Bubble forms foaming concentrate；
（6）By step（5）Foaming concentrate be added single screw extrusion machine continuously squeezed out, extruded stock obtains after cooling and shaping
Finished-product material.
2. the preparation method of antistatic compound pearl cotton material according to claim 1, which is characterized in that the step
（1）Middle pulverizer rotating speed is 1500~2500 revs/min, and grinding time is 40~80 minutes.
3. the preparation method of antistatic compound pearl cotton material according to claim 1, which is characterized in that the step
（4）In nucleating agent be preferably calcium sulfate crystal whiskers.
4. the preparation method of antistatic compound pearl cotton material according to claim 1, which is characterized in that the step
（5）In foaming agent be preferably butane.
5. the preparation method of antistatic compound pearl cotton material according to claim 1, which is characterized in that the step
（6）Middle single screw extrusion machine temperature is 180~200 DEG C, 500 revs/min of screw speed, 45 Hz of feeding frequency, melt pressure
2.5 MPa。
6. according to antistatic compound pearl cotton material made from any one of the claim 1-5 preparation methods as packaging material
Application.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110077071A (en) * | 2019-04-03 | 2019-08-02 | 惠州市鑫裕丰包装材料有限公司 | A kind of compound pearl cotton material and preparation method thereof with antibacterial ability |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102850620A (en) * | 2012-08-30 | 2013-01-02 | 苏州九鼎珍珠棉有限公司 | Environment-friendly single EPE sheet with high foaming capacity |
| CN103613818A (en) * | 2013-10-17 | 2014-03-05 | 昆山市奋发绝缘材料有限公司 | Insulation foaming material and production method thereof |
| CN104260305A (en) * | 2014-08-07 | 2015-01-07 | 璧山县捷成塑胶有限责任公司 | Production technology of EPE continuous physical foaming plate |
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2018
- 2018-05-22 CN CN201810495054.8A patent/CN108623885A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102850620A (en) * | 2012-08-30 | 2013-01-02 | 苏州九鼎珍珠棉有限公司 | Environment-friendly single EPE sheet with high foaming capacity |
| CN103613818A (en) * | 2013-10-17 | 2014-03-05 | 昆山市奋发绝缘材料有限公司 | Insulation foaming material and production method thereof |
| CN104260305A (en) * | 2014-08-07 | 2015-01-07 | 璧山县捷成塑胶有限责任公司 | Production technology of EPE continuous physical foaming plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110077071A (en) * | 2019-04-03 | 2019-08-02 | 惠州市鑫裕丰包装材料有限公司 | A kind of compound pearl cotton material and preparation method thereof with antibacterial ability |
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