CN108912441A - A kind of preparation method and applications of stretch-proof Pearl wool material - Google Patents
A kind of preparation method and applications of stretch-proof Pearl wool material Download PDFInfo
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C08J9/06—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 chemical blowing agent
- C08J9/10—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 chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
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Abstract
The invention discloses a kind of preparation method and applications of stretch-proof Pearl wool material, this method is used diatomite, white carbon black and dehydrated alcohol carry out wet ball grinding, then by ball milling mixing slurry and polypropylene fibre, dicyclohexyl phthalate carries out ultrasonic disperse jointly and obtains preliminary mixture, simultaneously by low density polyethylene (LDPE), polycarbonate resin, methyl methacrylate carries out adding alkyd resin after being once kneaded, epoxy propane butyl ether, activating agent carries out secondary mixing and obtains secondary mixture, finally by aforementioned preliminary mixture and secondary mixture and antistatic agent, foaming agent carries out high pressure-temperature reaction jointly, and through extrusion molding, finished-product material is obtained after cooling.The Pearl wool material being prepared, tensile property and tear resistance are good, have 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 stretch-proof Pearl wool material and its
Using.
Background technique
Pearl cotton is a kind of packaging material of novel environment friendly, it is generated by low density polyethylene (LDPE) rouge through physical blowing countless
Independent air bubble is constituted.Overcome common foamed glue it is frangible, deformation, recovery difference disadvantage.Moisture-proof with water proof, shockproof, sound insulation,
Heat preservation, many advantages, such as plasticity is good, toughness is strong, reconstituted circularly, environmental protection, strong crashworthiness power, also with good chemical resistance
Can, be the ideal substitute of conventional packaging material, be widely used in electronic apparatus, instrument and meter, computer, sound equipment, medical instrument,
Industry control cabinet, lamp decoration, craftwork, glass, ceramics, household electrical appliances, spraying, furniture, drinks and gift wrap, hardware, toy, melon
The packaging of the multiple products such as fruit, the inner packing of leather shoes, daily necessities.But traditional the anti-of Pearl wool material stretches performance and tear resistance
It is poor, it is easily broken, cannot play a very good protection to packing article.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of preparation method and applications of stretch-proof Pearl wool material,
This method, which is used, carries out wet ball grinding for diatomite, white carbon black and dehydrated alcohol, then that ball milling mixing slurry and polypropylene is fine
Dimension, dicyclohexyl phthalate carry out ultrasonic disperse jointly and obtain preliminary mixture, while by low density polyethylene (LDPE), poly- carbonic acid
Ester resin, methyl methacrylate carry out adding alkyd resin, epoxy propane butyl ether, activating agent progress two after being once kneaded
Secondary mixing obtains secondary mixture, finally by aforementioned preliminary mixture and secondary mixture and antistatic agent, foaming agent jointly into
Horizontal high voltage pyroreaction, and finished-product material is obtained after extrusion molding, cooling.The Pearl wool material being prepared, draftability
Energy and tear resistance are good, have a good application prospect as packaging material.
Technical solution：To solve the above-mentioned problems, the invention discloses a kind of preparation method of stretch-proof Pearl wool material,
Include the following steps：
（1）Appropriate dehydrated alcohol in 2~4 parts of 3~5 parts of diatomite, white carbon black investment ball mills, will be added and carry out wet ball grinding,
The revolving speed of ball mill is 800~900 revs/min, and Ball-milling Time is 180~200 minutes, obtains ball milling mixing slurry；
（2）By step（1）Obtained ball milling mixing slurry and 8~10 parts of polypropylene fibre, dicyclohexyl phthalate 12~
16 parts are put into ultrasonic dispersers jointly, and appropriate distilled water is added, and carry out ultrasonic disperse processing after mixing evenly, are obtained preliminary
Mixture；
（3）80~100 parts of low density polyethylene (LDPE), 20~30 parts of polycarbonate resin, 18~22 parts of methyl methacrylate are total to
It is once kneaded with putting into kneading machine, melting temperature is 120~150 DEG C, and mixing time is 80~100 minutes, then
Into a mixture, 1~3 part of 10~20 parts of alkyd resin of addition, 7~9 parts of epoxy propane butyl ether, activating agent progress are secondary
It is kneaded, melting temperature is 100~110 DEG C, and mixing time is 120~150 minutes, obtains secondary mixture；
（4）By step（2）Obtained preliminary mixture and step（3）Obtained secondary mixture puts into autoclave jointly
In, then to 1~3 part of antistatic agent, 1~3 part of foaming agent is added in autoclave, pressure in autoclave is increased to
10~12 MPa are simultaneously warming up to 110~120 DEG C, are stirred to react under the environmental condition 50~70 minutes, and stirring rate is 150~
180 revs/min, obtain mixed reactant；
（5）By step（5）Extrusion molding in obtained mixed reactant investment extruder, is then cooled to room temperature, obtains finished product
Material.
Further, the step（2）The supersonic frequency of middle ultrasonic disperse processing is 75 kHz, ultrasonic power is 90 W,
The ultrasonic disperse time is 25~35 minutes.
Further, the step（3）In activating agent in monoglyceride, stearic acid, fatty alcohol polyoxyethylene ether
Any one.
Further, the step（4）In antistatic agent be selected from glyceryl monostearate, ethoxylated alkylamine, ten
Any one in eight alkyldiethanolamines.
Further, the step（4）In foaming agent be selected from azodicarbonamide, unifor, bis- sulphur of 3,3-
Any one in hydrazides diphenyl sulphone (DPS).
Further, the step（5）Middle mixed reactant in an extruder extrusion molding extrusion temperature be 140~
150 DEG C, extrusion pressure is 0.3~0.5 MPa.
At the same time, the invention also discloses stretch-proof Pearl wool materials made from above-mentioned preparation method as packaging material
Application.
Compared with prior art, the present invention its advantages are：
（1）The preparation method of stretch-proof Pearl wool material of the invention uses the progress of diatomite, white carbon black and dehydrated alcohol is wet
Ball milling mixing slurry is then carried out ultrasonic disperse with polypropylene fibre, dicyclohexyl phthalate jointly and obtained by method ball milling
Preliminary mixture, while low density polyethylene (LDPE), polycarbonate resin, methyl methacrylate add after being once kneaded
Alkyd resin, epoxy propane butyl ether, activating agent carry out secondary mixing and obtain secondary mixture, finally by aforementioned preliminary mixture
High pressure-temperature is carried out jointly with antistatic agent, foaming agent with secondary mixture to react, and obtains finished product after extrusion molding, cooling
Material.The Pearl wool material being prepared, tensile property and tear resistance are good, have good application as packaging material
Prospect.
（2）Present invention employs dicyclohexyl phthalate, polycarbonate resin, alkyd resins to participate in preparation stretch-proof
Pearl wool material has carried out effective performance boost to Pearl wool material, although these materials are not applied to pearl cotton for the first time
In material, but it is aided with corresponding processing mode, to the Pearl wool material band being finally prepared after amount combination according to a certain ratio
Increasing substantially in service performance is carried out, this is never to report in previous research, for realizing skill of the invention
Art effect plays the role of conclusive.
Specific embodiment
Embodiment 1
（1）Appropriate dehydrated alcohol in 2 parts of 3 parts of diatomite, white carbon black investment ball mills, will be added and carry out wet ball grinding, ball mill
Revolving speed be 800 revs/min, Ball-milling Time be 180 minutes, obtain ball milling mixing slurry；
（2）By step（1）12 parts of obtained 8 parts of ball milling mixing slurry and polypropylene fibre, dicyclohexyl phthalate is common
It puts into ultrasonic dispersers, appropriate distilled water is added, carry out ultrasonic disperse processing, supersonic frequency 75 after mixing evenly
KHz, ultrasonic power are 90 W, and the ultrasonic disperse time is 25 minutes, obtain preliminary mixture；
（3）80 parts of low density polyethylene (LDPE), 20 parts of polycarbonate resin, 18 parts of methyl methacrylate are put into kneading machine jointly
Middle to be once kneaded, melting temperature is 120 DEG C, and mixing time is 80 minutes, then to addition alkyd tree in a mixture
10 parts of rouge, 7 parts of epoxy propane butyl ether, 1 part of the monoglyceride secondary mixing of progress, melting temperature is 100 DEG C, mixing time 120
Minute, obtain secondary mixture；
（4）By step（2）Obtained preliminary mixture and step（3）Obtained secondary mixture puts into autoclave jointly
In, then to 1 part of glyceryl monostearate, 1 part of azodicarbonamide is added in autoclave, by pressure in autoclave
It being increased to 10 MPa and is warming up to 110 DEG C, be stirred to react under the environmental condition 50 minutes, stirring rate is 150 revs/min,
Obtain mixed reactant；
（5）By step（5）Extrusion molding in obtained mixed reactant investment extruder, extrusion temperature is 140 DEG C, extrusion pressure
For 0.3 MPa, it is then cooled to room temperature, obtains finished-product material.
Embodiment 2
（1）Appropriate dehydrated alcohol in 3 parts of 4 parts of diatomite, white carbon black investment ball mills, will be added and carry out wet ball grinding, ball mill
Revolving speed be 850 revs/min, Ball-milling Time be 190 minutes, obtain ball milling mixing slurry；
（2）By step（1）14 parts of obtained 9 parts of ball milling mixing slurry and polypropylene fibre, dicyclohexyl phthalate is common
It puts into ultrasonic dispersers, appropriate distilled water is added, carry out ultrasonic disperse processing, supersonic frequency 75 after mixing evenly
KHz, ultrasonic power are 90 W, and the ultrasonic disperse time is 30 minutes, obtain preliminary mixture；
（3）90 parts of low density polyethylene (LDPE), 25 parts of polycarbonate resin, 20 parts of methyl methacrylate are put into kneading machine jointly
Middle to be once kneaded, melting temperature is 135 DEG C, and mixing time is 90 minutes, then to addition alkyd tree in a mixture
15 parts of rouge, 8 parts of epoxy propane butyl ether, 2 parts of the stearic acid secondary mixings of progress, melting temperature is 105 DEG C, mixing time 135
Minute, obtain secondary mixture；
（4）By step（2）Obtained preliminary mixture and step（3）Obtained secondary mixture puts into autoclave jointly
In, then to 2 parts of ethoxylated alkylamine, 2 parts of unifor is added in autoclave, by pressure in autoclave
It being increased to 11 MPa and is warming up to 115 DEG C, be stirred to react under the environmental condition 60 minutes, stirring rate is 165 revs/min,
Obtain mixed reactant；
（5）By step（5）Extrusion molding in obtained mixed reactant investment extruder, extrusion temperature is 145 DEG C, extrusion pressure
For 0.4 MPa, it is then cooled to room temperature, obtains finished-product material.
Embodiment 3
（1）Appropriate dehydrated alcohol in 4 parts of 5 parts of diatomite, white carbon black investment ball mills, will be added and carry out wet ball grinding, ball mill
Revolving speed be 900 revs/min, Ball-milling Time be 200 minutes, obtain ball milling mixing slurry；
（2）By step（1）16 parts of obtained 10 parts of ball milling mixing slurry and polypropylene fibre, dicyclohexyl phthalate is common
It puts into ultrasonic dispersers, appropriate distilled water is added, carry out ultrasonic disperse processing, supersonic frequency 75 after mixing evenly
KHz, ultrasonic power are 90 W, and the ultrasonic disperse time is 35 minutes, obtain preliminary mixture；
（3）100 parts of low density polyethylene (LDPE), 30 parts of polycarbonate resin, 22 parts of methyl methacrylate are put into mixing jointly
It is once kneaded in machine, melting temperature is 150 DEG C, and mixing time is 100 minutes, then to alkyd is added in a mixture
20 parts of resin, 9 parts of epoxy propane butyl ether, 3 parts of the fatty alcohol polyoxyethylene ether secondary mixings of progress, melting temperature is 110 DEG C, is mixed
Refining the time is 150 minutes, obtains secondary mixture；
（4）By step（2）Obtained preliminary mixture and step（3）Obtained secondary mixture puts into autoclave jointly
In, then to 3 parts of octadecyldiethanol amine, 3 parts of 3,3- disulfonyl hydrazide diphenyl sulphone (DPS) is added in autoclave, by reaction under high pressure
Pressure is increased to 12 MPa and is warming up to 120 DEG C in kettle, is stirred to react under the environmental condition 70 minutes, stirring rate 180
Rev/min, obtain mixed reactant；
（5）By step（5）Extrusion molding in obtained mixed reactant investment extruder, extrusion temperature is 150 DEG C, extrusion pressure
For 0.5 MPa, it is then cooled to room temperature, obtains finished-product material.
Comparative example 1
（1）Appropriate dehydrated alcohol in 3 parts of 4 parts of diatomite, white carbon black investment ball mills, will be added and carry out wet ball grinding, ball mill
Revolving speed be 850 revs/min, Ball-milling Time be 190 minutes, obtain ball milling mixing slurry；
（2）By step（1）Obtained ball milling mixing slurry is put into ultrasonic dispersers with 9 parts of polypropylene fibre, is added appropriate
Distilled water carries out ultrasonic disperse processing after mixing evenly, and supersonic frequency is 75 kHz, ultrasonic power is 90 W, when ultrasonic disperse
Between be 30 minutes, obtain preliminary mixture；
（3）90 parts of low density polyethylene (LDPE), 25 parts of polycarbonate resin, 20 parts of methyl methacrylate are put into kneading machine jointly
Middle to be once kneaded, melting temperature is 135 DEG C, and mixing time is 90 minutes, then to addition alkyd tree in a mixture
15 parts of rouge, 8 parts of epoxy propane butyl ether, 2 parts of the stearic acid secondary mixings of progress, melting temperature is 105 DEG C, mixing time 135
Minute, obtain secondary mixture；
（4）By step（2）Obtained preliminary mixture and step（3）Obtained secondary mixture puts into autoclave jointly
In, then to 2 parts of ethoxylated alkylamine, 2 parts of unifor is added in autoclave, by pressure in autoclave
It being increased to 11 MPa and is warming up to 115 DEG C, be stirred to react under the environmental condition 60 minutes, stirring rate is 165 revs/min,
Obtain mixed reactant；
（5）By step（5）Extrusion molding in obtained mixed reactant investment extruder, extrusion temperature is 145 DEG C, extrusion pressure
For 0.4 MPa, it is then cooled to room temperature, obtains finished-product material.
Comparative example 2
（1）Appropriate dehydrated alcohol in 3 parts of 4 parts of diatomite, white carbon black investment ball mills, will be added and carry out wet ball grinding, ball mill
Revolving speed be 850 revs/min, Ball-milling Time be 190 minutes, obtain ball milling mixing slurry；
（2）By step（1）14 parts of obtained 9 parts of ball milling mixing slurry and polypropylene fibre, dicyclohexyl phthalate is common
It puts into ultrasonic dispersers, appropriate distilled water is added, carry out ultrasonic disperse processing, supersonic frequency 75 after mixing evenly
KHz, ultrasonic power are 90 W, and the ultrasonic disperse time is 30 minutes, obtain preliminary mixture；
（3）90 parts of low density polyethylene (LDPE), 20 parts of methyl methacrylate are put into jointly in kneading machine and are once kneaded, are mixed
Refining temperature is 135 DEG C, and mixing time is 90 minutes, then to addition 15 parts of alkyd resin, propylene oxide fourth in a mixture
8 parts of base ether, 2 parts of the stearic acid secondary mixings of progress, melting temperature is 105 DEG C, and mixing time is 135 minutes, obtains secondary mixing
Object；
（4）By step（2）Obtained preliminary mixture and step（3）Obtained secondary mixture puts into autoclave jointly
In, then to 2 parts of ethoxylated alkylamine, 2 parts of unifor is added in autoclave, by pressure in autoclave
It being increased to 11 MPa and is warming up to 115 DEG C, be stirred to react under the environmental condition 60 minutes, stirring rate is 165 revs/min,
Obtain mixed reactant；
（5）By step（5）Extrusion molding in obtained mixed reactant investment extruder, extrusion temperature is 145 DEG C, extrusion pressure
For 0.4 MPa, it is then cooled to room temperature, obtains finished-product material.
Comparative example 3
（1）Appropriate dehydrated alcohol in 3 parts of 4 parts of diatomite, white carbon black investment ball mills, will be added and carry out wet ball grinding, ball mill
Revolving speed be 850 revs/min, Ball-milling Time be 190 minutes, obtain ball milling mixing slurry；
（2）By step（1）14 parts of obtained 9 parts of ball milling mixing slurry and polypropylene fibre, dicyclohexyl phthalate is common
It puts into ultrasonic dispersers, appropriate distilled water is added, carry out ultrasonic disperse processing, supersonic frequency 75 after mixing evenly
KHz, ultrasonic power are 90 W, and the ultrasonic disperse time is 30 minutes, obtain preliminary mixture；
（3）90 parts of low density polyethylene (LDPE), 25 parts of polycarbonate resin, 20 parts of methyl methacrylate are put into kneading machine jointly
Middle to be once kneaded, melting temperature is 135 DEG C, and mixing time is 90 minutes, then to addition epoxy third in a mixture
8 parts of alkane butyl ether, 2 parts of the stearic acid secondary mixings of progress, melting temperature is 105 DEG C, and mixing time is 135 minutes, is obtained secondary
Mixture；
（4）By step（2）Obtained preliminary mixture and step（3）Obtained secondary mixture puts into autoclave jointly
In, then to 2 parts of ethoxylated alkylamine, 2 parts of unifor is added in autoclave, by pressure in autoclave
It being increased to 11 MPa and is warming up to 115 DEG C, be stirred to react under the environmental condition 60 minutes, stirring rate is 165 revs/min,
Obtain mixed reactant；
（5）By step（5）Extrusion molding in obtained mixed reactant investment extruder, extrusion temperature is 145 DEG C, extrusion pressure
For 0.4 MPa, it is then cooled to room temperature, obtains finished-product material.
By the Pearl wool material obtained of embodiment 1-3 and comparative example 1-3 respectively according to the test side of GB/T1040-2006
Method carries out the measurement of tensile strength and elongation percentage, carries out the measurement of tearing strength according to the test method of GB/T 16578-2008,
Test result is shown in Table 1.
Table 1
| Tensile strength（kg/cm2） | Elongation percentage（%） | Tearing strength（kg/cm2） | |
| Embodiment 1 | 4.1 | 137 | 3.1 |
| Embodiment 2 | 4.2 | 140 | 3.2 |
| Embodiment 3 | 4.2 | 139 | 3.1 |
| Comparative example 1 | 3.6 | 127 | 2.7 |
| Comparative example 2 | 3.7 | 128 | 2.6 |
| Comparative example 3 | 3.9 | 133 | 2.8 |
The preparation method of stretch-proof Pearl wool material of the invention, which is used, carries out wet process ball for diatomite, white carbon black and dehydrated alcohol
Ball milling mixing slurry and polypropylene fibre, dicyclohexyl phthalate are then carried out ultrasonic disperse jointly and obtained tentatively by mill
Mixture, while low density polyethylene (LDPE), polycarbonate resin, methyl methacrylate being carried out to add alkyd after being once kneaded
Resin, epoxy propane butyl ether, activating agent carry out secondary mixing and obtain secondary mixture, finally by aforementioned preliminary mixture and two
Secondary mixture carries out high pressure-temperature with antistatic agent, foaming agent jointly and reacts, and obtains finished product material after extrusion molding, cooling
Material.The Pearl wool material being prepared, tensile property and tear resistance are good, before having good application as packaging material
Scape.Also, present invention employs dicyclohexyl phthalate, polycarbonate resin, alkyd resins to participate in preparation stretch-proof treasure
Pearl cotton material has carried out effective performance boost to Pearl wool material, although these materials are not applied to pearl cotton material for the first time
In material, but it is aided with corresponding processing mode after amount combination according to a certain ratio, is brought to the Pearl wool material being finally prepared
Increasing substantially in service performance, this is never to report in previous research, for realizing technology of the invention
Effect plays the role of conclusive.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all 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 (7)
1. a kind of preparation method of stretch-proof Pearl wool material, which is characterized in that include the following steps：
（1）Appropriate dehydrated alcohol in 2~4 parts of 3~5 parts of diatomite, white carbon black investment ball mills, will be added and carry out wet ball grinding,
The revolving speed of ball mill is 800~900 revs/min, and Ball-milling Time is 180~200 minutes, obtains ball milling mixing slurry；
（2）By step（1）Obtained ball milling mixing slurry and 8~10 parts of polypropylene fibre, dicyclohexyl phthalate 12~
16 parts are put into ultrasonic dispersers jointly, and appropriate distilled water is added, and carry out ultrasonic disperse processing after mixing evenly, are obtained preliminary
Mixture；
（3）80~100 parts of low density polyethylene (LDPE), 20~30 parts of polycarbonate resin, 18~22 parts of methyl methacrylate are total to
It is once kneaded with putting into kneading machine, melting temperature is 120~150 DEG C, and mixing time is 80~100 minutes, then
Into a mixture, 1~3 part of 10~20 parts of alkyd resin of addition, 7~9 parts of epoxy propane butyl ether, activating agent progress are secondary
It is kneaded, melting temperature is 100~110 DEG C, and mixing time is 120~150 minutes, obtains secondary mixture；
（4）By step（2）Obtained preliminary mixture and step（3）Obtained secondary mixture puts into autoclave jointly
In, then to 1~3 part of antistatic agent, 1~3 part of foaming agent is added in autoclave, pressure in autoclave is increased to
10~12 MPa are simultaneously warming up to 110~120 DEG C, are stirred to react under the environmental condition 50~70 minutes, and stirring rate is 150~
180 revs/min, obtain mixed reactant；
（5）By step（5）Extrusion molding in obtained mixed reactant investment extruder, is then cooled to room temperature, obtains finished product
Material.
2. the preparation method of stretch-proof Pearl wool material according to claim 1, which is characterized in that the step（2）In
The supersonic frequency of ultrasonic disperse processing is 75 kHz, ultrasonic power is 90 W, and the ultrasonic disperse time is 25~35 minutes.
3. the preparation method of stretch-proof Pearl wool material according to claim 1, which is characterized in that the step（3）In
Any one in monoglyceride, stearic acid, fatty alcohol polyoxyethylene ether of activating agent.
4. the preparation method of stretch-proof Pearl wool material according to claim 1, which is characterized in that the step（4）In
Any one in glyceryl monostearate, ethoxylated alkylamine, octadecyldiethanol amine of antistatic agent.
5. the preparation method of stretch-proof Pearl wool material according to claim 1, which is characterized in that the step（4）In
Any one in azodicarbonamide, unifor, 3,3- disulfonyl hydrazide diphenyl sulphone (DPS) of foaming agent.
6. the preparation method of stretch-proof Pearl wool material according to claim 1, which is characterized in that the step（5）In
Mixed reactant in an extruder extrusion molding extrusion temperature be 140~150 DEG C, extrusion pressure be 0.3~0.5 MPa.
7. stretch-proof Pearl wool material answering as packaging material made from any one of -6 preparation methods according to claim 1
With.
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| CN201810525035.5A CN108912441A (en) | 2018-05-28 | 2018-05-28 | A kind of preparation method and applications of stretch-proof Pearl wool material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111574742A (en) * | 2020-06-11 | 2020-08-25 | 合肥市兴烨包装材料有限公司 | Preparation method of EPE pearl cotton for bee colony heat preservation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286165A (en) * | 2011-06-22 | 2011-12-21 | 郎溪县天成包装材料有限公司 | Expandable polyethylene (EPE) pearl wool |
| 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 |
| 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 |
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2018
- 2018-05-28 CN CN201810525035.5A patent/CN108912441A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286165A (en) * | 2011-06-22 | 2011-12-21 | 郎溪县天成包装材料有限公司 | Expandable polyethylene (EPE) pearl wool |
| 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 |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111574742A (en) * | 2020-06-11 | 2020-08-25 | 合肥市兴烨包装材料有限公司 | Preparation method of EPE pearl cotton for bee colony heat preservation |
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Application publication date: 20181130 |