CN106674695A - Novel high-polymer plastic film and preparation technique thereof - Google Patents
Novel high-polymer plastic film and preparation technique thereof Download PDFInfo
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- CN106674695A CN106674695A CN201611242806.7A CN201611242806A CN106674695A CN 106674695 A CN106674695 A CN 106674695A CN 201611242806 A CN201611242806 A CN 201611242806A CN 106674695 A CN106674695 A CN 106674695A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- 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
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- 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
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- C08J2323/06—Polyethene
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- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—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
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a novel high-polymer plastic film and a preparation technique thereof. The novel high-polymer plastic film is composed of the following raw materials in parts by weight: 40-60 parts of polyethylene, 20-30 parts of polypropylene, 6-8 parts of sodium carboxymethyl cellulose, 18-20 parts of oxidized polyethylene wax, 8-10 parts of vinyl ether, 6-8 parts of casein, 8-10 parts of smectite powder, 10-12 parts of degradable material, 4-6 parts of catabolic enzyme powder, 4-5 parts of lubricant, 2-3 parts of antioxidant, 2-3 parts of ultraviolet absorbent, 10-15 parts of foaming agent, 10-20 parts of pH regulator and 6-8 parts of microcrystalline wax. The pulverizing and stirring ultrasonic is utilized for further pulverization, and the mixture is subjected to blow molding under the action of high-temperature high-pressure melting to form the film. The ion neutralization principle is adopted to enhance the stability. By using smectite as the carrier, the molecular chains of the added polymer are interwound in the smectite lamellae to form the stable system so as to enhance the mechanical properties of the finished film, and the film has excellent comprehensive physical and chemical properties. The technique greatly enhances the production efficiency, and is convenient to operate and lower in cost; and the film has favorable properties.
Description
Technical field
The present invention relates to plastic sheeting preparation technology field, and in particular to a kind of new type polymer plastic film formulation and system
Standby technique.
Background technology
In modern society, the application of plastics is extremely wide, miscellaneous in particular with the growth of light industry
Plastics emerge in an endless stream, and at present, the plastics being most widely used are vinyon and igelite.Both traditional senses
On plastics gradually permeated people life each field in, but, this plastics there is also many defects,
Such as non-refractory low temperature, it is not easy hydrolytic degradation, is difficult to be recovered degraded, physical property is poor, and in a large number using can
Cause " white pollution ".
With the application for carrying out macromolecular material this year, macromolecule plastic film is also occurred gradually in the visual field of people, by
Many defects of traditional PVC plastic and PU etc. are overcome in macromolecule plastic film, particularly becomes epoch master in environmental conservation
Today of topic, this good macromolecule polymeric material of degraded, physical property that can reclaim gradually substituted for traditional plastics
Material becomes the first-selection of people.But, in actual use, it is incomplete also to there is film formulation in macromolecule plastic film, adopts
Raw material with chemical contamination, exerts a certain influence to the physical safety of employee, particularly in production technology, numerous
It is trivial changeable, it is difficult to form a whole set of orderly production procedure, that effective control for product quality.
The content of the invention
For problem above, the invention provides a kind of new type polymer plastic film formulation and preparation technology, using from
The principle of son neutralization, has neutralized the repulsion ability between negative ions, improves stability, and with montmorillonite as carrier so that
The strand cross winding of the polymer of addition forms stable system in montmorillonite lamella, improves the power of finished films
Learn performance.The plastic sheeting of the present invention is using environmentally friendly plasticizer and antioxidant, the plasticizer and antioxidant Environmental Safety
It is nontoxic, present invention also offers reproducible fiber etc., it is proposed that greatly improve the tensile strength of thin film, with warping strength, resistance to old
Change and high water resistance, moisture permeability, high-low temperature resistant, and the good characteristic such as environment-protecting asepsis, recyclable degraded, possess excellent
Comprehensive physical and chemical property；The production efficiency is greatly improved, function admirable, convenient production process operation, into
This is relatively low, can be with the problem in effectively solving background technology.
To achieve these goals, the technical solution used in the present invention is as follows：A kind of new type polymer plastic film formulation,
It is made up of the following raw material according to parts by weight：
Polyethylene 40-60 parts, polypropylene 20-30 parts, sodium carboxymethyl cellulose 6-8 parts, OPE 18-20 parts, ethylene
Ether 8-10 parts, casein 6-8 parts, montmorillonite powder 8-10 parts, degradable material 10-12 parts, degraded enzyme powder 4-6 part, lubricant 4-5
Part, antioxidant 2-3 parts, UV absorbent 2-3 part, foaming agent 10-15 parts, acid-base modifier 10-20 parts, microcrystalline wax 6-
8 parts.
According to above-mentioned technical proposal, the montmorillonite powder adopts moisture content and is for the partial desiccation montmorillonite of 8-10%, and purity
97-99%。
According to above-mentioned technical proposal, the degradable material adopts PMB type degradable materials.
According to above-mentioned technical proposal, the degraded enzyme powder is by amylase and cellulase according to mass ratio 1:1 mixes.
According to above-mentioned technical proposal, the lubricant is mixed using any one in lanthanum chloride either phosphoamide or two kinds
Close.
According to above-mentioned technical proposal, the UV absorbent adopts phenyl salicylate.
According to above-mentioned technical proposal, the foaming agent adopts sodium carbonate.
In addition, the present invention have also been devised a kind of preparation technology of new type polymer plastic thin film, comprise the steps：
（1）Proportionally polyethylene, polypropylene, sodium carboxymethyl cellulose, OPE, vinyl Ether and casein are distinguished
Flour is crossed to be put into after 100 mesh sieves in batch mixer of spirally lying on one's side and is sufficiently mixed, and gradually proportionally adds cover upon mixing
De- stone powder obtains powder on earth；
（2）Degradable material and degraded enzyme powder are proportionally put in fermentative degradation pond, temperature and pH value, continuing fermentation 4- is adjusted
5 hours sucking filtration wash 5-6 extraction clear liquid to carry out being concentrated to give degraded concentrated solution；
（3）Proportionally the material disintegrating in remaining formula is mixed, and mixed raw material is put into into ball milling 15- in ball grinder
20min crosses 100 mesh sieves and forms batch；
（4）The bottom powder for having obtained, degraded concentrated solution and batch are added into quality for ultrasound wave in 10-20 times of deionized water
Concussion is crushed, clear liquid is at the same time stirred and filter to take；
（5）Heat-flash thawing is carried out by being put in fluidized bed furnace through the raw material of ultrasonic vibration, temperature and pressure is adjusted so that former material
Material all becomes molten condition, and unnecessary gasified water is discharged into cooling recycling；
（6）Fused solution is sent in extruder, adjustment blowing pressure will be fed into blow moulding machine and obtain thin film through being blow molded and batching.
According to above-mentioned technical proposal, the step（2）In, the temperature of fermentative degradation is that pH value is 6.2- between 30-45 DEG C
7.4。
According to above-mentioned technical proposal, the step（4）In, ultrasonic frequency is 20~25KHz.
According to above-mentioned technical proposal, the step（5）In, the regulation of temperature is divided into increasing temperature and pressure stage, foamed heat insulating rank
Two stages of section, the temperature in the increasing temperature and pressure stage rises to 400 DEG C from 20 DEG C, and intensification Mean Speed is 8 DEG C/min, pressure from
Normal pressure rises to 15MPa, and boosting Mean Speed is 2MPa/min；The temperature in the foamed heat insulating stage is maintained at 400 DEG C of constant, pressures
It is constant that power maintains 15MPa.
According to above-mentioned technical proposal, the step（6）In, blowing pressure scope is 0.1~1MPa.
Beneficial effects of the present invention：
The present invention has neutralized the repulsion ability between negative ions using the principle of ion neutralization, improves stability, and to cover
De- stone is carrier so that the strand cross winding of the polymer of addition forms stable system in montmorillonite lamella, improves
The mechanical property of finished films.The plastic sheeting of the present invention using environmental protection plasticizer and antioxidant, the plasticizer and anti-
Oxidant Environmental Safety is nontoxic, present invention also offers reproducible fiber etc., it is proposed that greatly improve the tensile strength of thin film, tool
There are warping strength, ageing-resistant and high water resistance, moisture permeability, a high-low temperature resistant, and the excellent spy such as environment-protecting asepsis, recyclable degraded
Property, possesses excellent comprehensive physical and chemical property；The production efficiency is greatly improved, function admirable, produces work
Skill is easy to operate, and cost is relatively low.
Description of the drawings
Fig. 1 is production technological process of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein is not used to only to explain the present invention
Limit the present invention.
Embodiment 1：
A kind of new type polymer plastic film formulation, is made up of according to parts by weight the following raw material：
40 parts of polyethylene, 20 parts of polypropylene, 6 parts of sodium carboxymethyl cellulose, 18 parts of OPE, 8 parts of vinyl Ether, casein
6 parts, 8 parts of montmorillonite powder, 10 parts of degradable material, degraded 4 parts of enzyme powder, 4 parts of lubricant, 2 parts of antioxidant, UV absorbent 2
Part, 10 parts of foaming agent, 10 parts of acid-base modifier, 6 parts of microcrystalline wax.
The montmorillonite powder adopt moisture content for 8% partial desiccation montmorillonite, and purity be 97%.；The degradable material is adopted
With PMB type degradable materials；The degraded enzyme powder is by amylase and cellulase according to mass ratio 1:1 mixes；The lubrication
Agent is using any one in lanthanum chloride either phosphoamide or two kinds of mixing；The UV absorbent adopts salicylic acid benzene
Ester；The foaming agent adopts sodium carbonate.
In addition, the present invention have also been devised a kind of preparation technology of new type polymer plastic thin film, comprise the steps：
（1）Proportionally polyethylene, polypropylene, sodium carboxymethyl cellulose, OPE, vinyl Ether and casein are distinguished
Flour is crossed to be put into after 100 mesh sieves in batch mixer of spirally lying on one's side and is sufficiently mixed, and gradually proportionally adds cover upon mixing
De- stone powder obtains powder on earth；
（2）Degradable material and degraded enzyme powder are proportionally put in fermentative degradation pond, temperature and pH value is adjusted, fermentative degradation
Temperature be that pH value is 6.2 between 30 DEG C, 4 hours sucking filtration of continuing fermentation wash extract for 5 times clear liquids carry out being concentrated to give degraded it is dense
Contracting liquid；
（3）Proportionally the material disintegrating in remaining formula is mixed, and mixed raw material is put into into ball milling in ball grinder
15min crosses 100 mesh sieves and forms batch；
（4）The bottom powder for having obtained, degraded concentrated solution and batch are added into ultrasound wave powder in the deionized water that quality is 10 times
Broken concussion, ultrasonic frequency is 20KHz, at the same time stirs and filter to take clear liquid；
（5）Heat-flash thawing is carried out by being put in fluidized bed furnace through the raw material of ultrasonic vibration, temperature and pressure, the tune of temperature is adjusted
Section is divided into increasing temperature and pressure stage, two stages of foamed heat insulating stage, and the temperature in the increasing temperature and pressure stage rises to 400 from 20 DEG C
DEG C, intensification Mean Speed is 8 DEG C/min, and pressure rises to 15MPa from normal pressure, and boosting Mean Speed is 2MPa/min；The foaming
The temperature of holding stage be maintained at 400 DEG C it is constant, it is constant that pressure maintains 15MPa so that raw material all becomes molten condition,
And unnecessary gasified water is discharged into cooling recycling；
（6）Fused solution is sent in extruder, adjustment blowing pressure will be fed into blow moulding machine and obtain thin film through being blow molded and batching, and blow
Blow pressure scope is 0.1MPa.
Embodiment 2：
A kind of new type polymer plastic film formulation, is made up of according to parts by weight the following raw material：
50 parts of polyethylene, polipropene 25 part, 7 parts of sodium carboxymethyl cellulose, 19 parts of OPE, 9 parts of vinyl Ether, casein
7 parts, 9 parts of montmorillonite powder, 11 parts of degradable material, degraded 5 parts of enzyme powder, 4.5 parts of lubricant, 2.5 parts of antioxidant, ultra-violet absorption
2.5 parts of agent, 12.5 parts of foaming agent, 15 parts of acid-base modifier, 7 parts of microcrystalline wax.
The montmorillonite powder adopt moisture content for 9% partial desiccation montmorillonite, and purity be 98%.；The degradable material is adopted
With PMB type degradable materials；The degraded enzyme powder is by amylase and cellulase according to mass ratio 1:1 mixes；The lubrication
Agent is using any one in lanthanum chloride either phosphoamide or two kinds of mixing；The UV absorbent adopts salicylic acid benzene
Ester；The foaming agent adopts sodium carbonate.
In addition, the present invention have also been devised a kind of preparation technology of new type polymer plastic thin film, comprise the steps：
（1）Proportionally polyethylene, polypropylene, sodium carboxymethyl cellulose, OPE, vinyl Ether and casein are distinguished
Flour is crossed to be put into after 100 mesh sieves in batch mixer of spirally lying on one's side and is sufficiently mixed, and gradually proportionally adds cover upon mixing
De- stone powder obtains powder on earth；
（2）Degradable material and degraded enzyme powder are proportionally put in fermentative degradation pond, temperature and pH value is adjusted, fermentative degradation
Temperature be that pH value is 6.8 between 37.5 DEG C, 4.5 hours sucking filtration of continuing fermentation wash 5 times and extract clear liquids and carry out being concentrated to give drop
Solution concentrated solution；
（3）Proportionally the material disintegrating in remaining formula is mixed, and mixed raw material is put into into ball milling in ball grinder
17.5min crosses 100 mesh sieves and forms batch；
（4）The bottom powder for having obtained, degraded concentrated solution and batch are added into ultrasound wave powder in the deionized water that quality is 15 times
Broken concussion, ultrasonic frequency is 22.5KHz, at the same time stirs and filter to take clear liquid；
（5）Heat-flash thawing is carried out by being put in fluidized bed furnace through the raw material of ultrasonic vibration, temperature and pressure, the tune of temperature is adjusted
Section is divided into increasing temperature and pressure stage, two stages of foamed heat insulating stage, and the temperature in the increasing temperature and pressure stage rises to 400 from 20 DEG C
DEG C, intensification Mean Speed is 8 DEG C/min, and pressure rises to 15MPa from normal pressure, and boosting Mean Speed is 2MPa/min；The foaming
The temperature of holding stage be maintained at 400 DEG C it is constant, it is constant that pressure maintains 15MPa so that raw material all becomes molten condition,
And unnecessary gasified water is discharged into cooling recycling；
（6）Fused solution is sent in extruder, adjustment blowing pressure will be fed into blow moulding machine and obtain thin film through being blow molded and batching, and blow
Blow pressure scope is 0.5MPa.
Embodiment 3：
A kind of new type polymer plastic film formulation, is made up of according to parts by weight the following raw material：
60 parts of polyethylene, 30 parts of polypropylene, 8 parts of sodium carboxymethyl cellulose, 20 parts of OPE, 10 parts of vinyl Ether, cheese
8 parts of element, 10 parts of montmorillonite powder, 12 parts of degradable material, 6 parts of enzyme powder of degraded, 5 parts of lubricant, 3 parts of antioxidant, ultra-violet absorption
3 parts of agent, 15 parts of foaming agent, 20 parts of acid-base modifier, 8 parts of microcrystalline wax.
The montmorillonite powder adopt moisture content for 10% partial desiccation montmorillonite, and purity be 99%.；The degradable material is adopted
With PMB type degradable materials；The degraded enzyme powder is by amylase and cellulase according to mass ratio 1:1 mixes；The lubrication
Agent is using any one in lanthanum chloride either phosphoamide or two kinds of mixing；The UV absorbent adopts salicylic acid benzene
Ester；The foaming agent adopts sodium carbonate.
In addition, the present invention have also been devised a kind of preparation technology of new type polymer plastic thin film, comprise the steps：
（1）Proportionally polyethylene, polypropylene, sodium carboxymethyl cellulose, OPE, vinyl Ether and casein are distinguished
Flour is crossed to be put into after 100 mesh sieves in batch mixer of spirally lying on one's side and is sufficiently mixed, and gradually proportionally adds cover upon mixing
De- stone powder obtains powder on earth；
（2）Degradable material and degraded enzyme powder are proportionally put in fermentative degradation pond, temperature and pH value is adjusted, fermentative degradation
Temperature be that pH value is 7.4 between 45 DEG C, 5 hours sucking filtration of continuing fermentation wash extract for 6 times clear liquids carry out being concentrated to give degraded it is dense
Contracting liquid；
（3）Proportionally the material disintegrating in remaining formula is mixed, and mixed raw material is put into into ball milling in ball grinder
20min crosses 100 mesh sieves and forms batch；
（4）The bottom powder for having obtained, degraded concentrated solution and batch are added into ultrasound wave powder in the deionized water that quality is 20 times
Broken concussion, ultrasonic frequency is 25KHz, at the same time stirs and filter to take clear liquid；
（5）Heat-flash thawing is carried out by being put in fluidized bed furnace through the raw material of ultrasonic vibration, temperature and pressure, the tune of temperature is adjusted
Section is divided into increasing temperature and pressure stage, two stages of foamed heat insulating stage, and the temperature in the increasing temperature and pressure stage rises to 400 from 20 DEG C
DEG C, intensification Mean Speed is 8 DEG C/min, and pressure rises to 15MPa from normal pressure, and boosting Mean Speed is 2MPa/min；The foaming
The temperature of holding stage be maintained at 400 DEG C it is constant, it is constant that pressure maintains 15MPa so that raw material all becomes molten condition,
And unnecessary gasified water is discharged into cooling recycling；
（6）Fused solution is sent in extruder, adjustment blowing pressure will be fed into blow moulding machine and obtain thin film through being blow molded and batching, and blow
Blow pressure scope is 1MPa.
Tensile strength, elongation at break, angle tear strength, surface tension and raw material are have studied by following test method to utilize
The aspects such as rate.
Performance test：Main to test pulling force ratio in length and breadth, major parameter is as shown in the table,
Based on above-mentioned, it is an advantage of the current invention that the present invention has neutralized the row between negative ions using the principle of ion neutralization
Scold ability, improve stability, and with montmorillonite as carrier so that the strand cross winding of the polymer of addition is in montmorillonite
In lamella, stable system is formed, improve the mechanical property of finished films.The plastic sheeting of the present invention is using environmentally friendly plasticising
Agent and antioxidant, the plasticizer and antioxidant Environmental Safety it is nontoxic, present invention also offers reproducible fiber etc., it is proposed that
The tensile strength of thin film is greatly improved, with warping strength, ageing-resistant and high water resistance, moisture permeability, high-low temperature resistant, and ring
The good characteristics such as nontoxic, recyclable degraded are protected, possesses excellent comprehensive physical and chemical property；The production efficiency is obtained greatly
Big raising, function admirable, convenient production process operation, cost is relatively low.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (12)
1. a kind of new type polymer plastic film formulation, it is characterised in that be made up of the following raw material according to parts by weight：
Polyethylene 40-60 parts, polypropylene 20-30 parts, sodium carboxymethyl cellulose 6-8 parts, OPE 18-20 parts, ethylene
Ether 8-10 parts, casein 6-8 parts, montmorillonite powder 8-10 parts, degradable material 10-12 parts, degraded enzyme powder 4-6 part, lubricant 4-5
Part, antioxidant 2-3 parts, UV absorbent 2-3 part, foaming agent 10-15 parts, acid-base modifier 10-20 parts, microcrystalline wax 6-
8 parts.
2. a kind of new type polymer plastic film formulation according to claim 1, it is characterised in that the montmorillonite powder is adopted
With the partial desiccation montmorillonite that moisture content is 8-10%, and purity is 97-99%.
3. a kind of new type polymer plastic film formulation according to claim 1, it is characterised in that the degradable material is adopted
With PMB type degradable materials.
4. a kind of new type polymer plastic film formulation according to claim 1, it is characterised in that the degraded enzyme powder by
Amylase and cellulase are according to mass ratio 1:1 mixes.
5. a kind of new type polymer plastic film formulation according to claim 1, it is characterised in that the lubricant is adopted
Lanthanum chloride any one or two kinds of mixing either in phosphoamide.
6. a kind of new type polymer plastic film formulation according to claim 1, it is characterised in that the ultra-violet absorption
Agent adopts phenyl salicylate.
7. a kind of new type polymer plastic film formulation according to claim 1, it is characterised in that the foaming agent is adopted
Sodium carbonate.
8. a kind of preparation technology of new type polymer plastic thin film, it is characterised in that comprise the steps：
（1）Proportionally polyethylene, polypropylene, sodium carboxymethyl cellulose, OPE, vinyl Ether and casein are distinguished
Flour is crossed to be put into after 100 mesh sieves in batch mixer of spirally lying on one's side and is sufficiently mixed, and gradually proportionally adds cover upon mixing
De- stone powder obtains powder on earth；
（2）Degradable material and degraded enzyme powder are proportionally put in fermentative degradation pond, temperature and pH value, continuing fermentation 4- is adjusted
5 hours sucking filtration wash 5-6 extraction clear liquid to carry out being concentrated to give degraded concentrated solution；
（3）Proportionally the material disintegrating in remaining formula is mixed, and mixed raw material is put into into ball milling 15- in ball grinder
20min crosses 100 mesh sieves and forms batch；
（4）The bottom powder for having obtained, degraded concentrated solution and batch are added into quality for ultrasound wave in 10-20 times of deionized water
Concussion is crushed, clear liquid is at the same time stirred and filter to take；
（5）Heat-flash thawing is carried out by being put in fluidized bed furnace through the raw material of ultrasonic vibration, temperature and pressure is adjusted so that former material
Material all becomes molten condition, and unnecessary gasified water is discharged into cooling recycling；
（6）Fused solution is sent in extruder, adjustment blowing pressure will be fed into blow moulding machine and obtain thin film through being blow molded and batching.
9. a kind of preparation work of new type polymer plastic thin film according to claim 8, it is characterised in that the step
（2）In, the temperature of fermentative degradation is that pH value is 6.2-7.4 between 30-45 DEG C.
10. a kind of preparation work of new type polymer plastic thin film according to claim 8, it is characterised in that the step
（4）In, ultrasonic frequency is 20~25KHz.
A kind of 11. preparation works of new type polymer plastic thin film according to claim 8, it is characterised in that the step
（5）In, the regulation of temperature is divided into increasing temperature and pressure stage, two stages of foamed heat insulating stage, the temperature in the increasing temperature and pressure stage
400 DEG C are risen to from 20 DEG C, intensification Mean Speed is 8 DEG C/min, pressure rises to 15MPa from normal pressure, and boosting Mean Speed is 2MPa/
min；The temperature in the foamed heat insulating stage be maintained at 400 DEG C it is constant, it is constant that pressure maintains 15MPa.
A kind of 12. preparation works of new type polymer plastic thin film according to claim 8, it is characterised in that the step
（6）In, blowing pressure scope is 0.1~1MPa.
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| CN107652553A (en) * | 2017-11-10 | 2018-02-02 | 桐城市强峰包装有限公司 | A kind of sun-proof bag material and preparation method thereof |
| CN107652511A (en) * | 2017-09-30 | 2018-02-02 | 江苏省农业科学院 | A kind of insulation material of the agricultural booth side skirt film based on polyethylene |
| CN108586934A (en) * | 2018-05-11 | 2018-09-28 | 浙江坤诚塑业有限公司 | A kind of biodegradable PP woven bags material and preparation method thereof |
| CN111825907A (en) * | 2019-04-23 | 2020-10-27 | 北京智棉科技有限公司 | Label film and strong cross film |
| CN112549593A (en) * | 2020-11-15 | 2021-03-26 | 张霞 | Preparation process of polymer plastic film |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107652511A (en) * | 2017-09-30 | 2018-02-02 | 江苏省农业科学院 | A kind of insulation material of the agricultural booth side skirt film based on polyethylene |
| CN107652553A (en) * | 2017-11-10 | 2018-02-02 | 桐城市强峰包装有限公司 | A kind of sun-proof bag material and preparation method thereof |
| CN108586934A (en) * | 2018-05-11 | 2018-09-28 | 浙江坤诚塑业有限公司 | A kind of biodegradable PP woven bags material and preparation method thereof |
| CN111825907A (en) * | 2019-04-23 | 2020-10-27 | 北京智棉科技有限公司 | Label film and strong cross film |
| CN112549593A (en) * | 2020-11-15 | 2021-03-26 | 张霞 | Preparation process of polymer plastic film |
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