CN108219261A - A kind of degradation material and preparation method thereof, degradable films and preparation method thereof - Google Patents
A kind of degradation material and preparation method thereof, degradable films and preparation method thereof Download PDFInfo
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- CN108219261A CN108219261A CN201810075381.8A CN201810075381A CN108219261A CN 108219261 A CN108219261 A CN 108219261A CN 201810075381 A CN201810075381 A CN 201810075381A CN 108219261 A CN108219261 A CN 108219261A
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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
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0268—Mats or sheets, e.g. nets or fabrics
- A01G13/0275—Films
-
- 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
- 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
- C08J2323/08—Copolymers of ethene
-
- 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
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- 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
Abstract
The invention discloses a kind of degradation materials and preparation method thereof, degradable films and preparation method thereof；Material is made of organic phosphate starch, starch xanthate, polyoxygenated alkane, inorganic polymer, carboxymethylated starch, already carboxymethylated fibres, xanthogenation cellulose, hydroxypropylation fiber, polyacrylate, polyvinyl alcohol, polypropylene nitrile, polyolefin, the one or more of degradation agent for main component；Each component is mixed, double screw extruder is granulated, and environmental organism degradable material is made；The present invention is mineralizing completely, before generating carbon dioxide and water, because having water retention property, if imposing on crop field, can increase soil moisture content, improve the growth of arid area crop.
Description
Technical field
The present invention relates to environmental organism degradable material preparing technical fields, and in particular to a kind of degradation material and its preparation
Method, degradable films and preparation method thereof.
Background technology
Blister pack technology greatly improves the quality of the life of the mankind, facilitates life.Plastic film is for agriculture, i.e.,
Film-mulching technique is one of dry farming and water-saving irrigation and the key measures for increasing the crop growth phase.Film-mulching technique
Application be greatly promoted the raising of farm output and benefit, mode of agriculture has been driven to change and promote agricultural production
The raising of power.But being continuously increased with covering with ground sheeting area, it is impossible to which the film of degradation is difficult to recycle.Film packaging and mulch
Residual film pollution becoming serious.To reduce and eliminating white pollution, various degradable films and degradable mulch are developed.But it passes
The degradable mulch of system, to degradable rear production carbon dioxide and water, according to different environmental conditions, is needed from starting to degrade
Some months or even several years.In this period, these plastic flakes visually all bring unfavorable shadow with next season crops
It rings.
Invention content
In order to solve the above technical problems, the present invention provides a kind of degradation material and preparation method thereof, degradable films
And preparation method thereof, by using super-strong moisture absorbing resin, environmental organism degradable material is made to have high water absorption potential, this potential exists
It is gradually released after degradative plastic film incubation period.The degradable material is mineralizing completely, before generating carbon dioxide and water, because
Have water retention property, if imposing on crop field, soil moisture content can be increased, improve the growth of arid area crop.
Present invention technical solution used to solve above-mentioned technical problem is as follows：
Technical solution one：
A kind of degradation material, raw material include following components：10% ~ 60% superabsorbency material, 39.5% ~ 89.5% polyolefin,
0.02% ~ 0.5% degradation agent.
As a further improvement on the present invention, the superabsorbency resin be Starch Super Water Absorbent Resin, cellulose
It is one or more of super absorbent resin and synthetic polymer system super absorbent resin；The Starch Super Water Absorbent Resin
For carboxymethylated starch, organic phosphate starch or starch xanthate, the Super Absorbent Resin from Cellulose is carboxy methylation
Cellulose, hydroxypropylation cellulose or xanthogenation cellulose；Synthetic polymer system super absorbent resin is polyacrylic acid
Salt resinoid, polyvinyl alcohol resin, polyacrylonitrile resinoid, polyoxygenated alkane resinoid or inorganic polymer resinoid.
As a further improvement on the present invention, the polyolefin is polyethylene or polypropylene.
As a further improvement on the present invention, the degradation agent is titanium dioxide, iron oxide, manganese oxide, two cyclopentadienyl of n-octyl
Iron, positive caprylyl ferrocene, ferric stearate, manganese stearate, cobaltous octadecanate, copper stearate, cerium stearate, Lanthanum Stearate, tristearin
One or more of sour praseodymium, ferric dimethyl dithiocarbamate, diethyldithiocar bamic acid cerium.
Technical solution two：
A kind of preparation method of degradation material, includes the following steps：
（1）Dry feedstock：According to proportioning by each raw material components respectively vacuum degree be 0.15Pa-0.1Pa, temperature 70oC-
80oDry 5min-10min under conditions of C；
（2）Mixing：By dried component in shearing stirrer for mixing, the rotating speed of blender is 1050rpm-2500rpm,
The temperature of stirring is 45oC-55oC, mixing time 5min-15min；
（3）Squeeze out pelletizing：The product that mixing step obtains is squeezed out with dual-screw pelletizer, underwater pellet cutting system pelletizing；It squeezes out
One area's temperature 95 of machine drum bodyoC-100oC, two area's temperature 145 of cylinderoC-150oC, three area's temperature 195 of cylinderoC-200oC, cylinder four
Area's temperature 275oC-280oC, the area's temperature 245 of 5th area of cylinder ~ eightoC-250oC, die plate temperature 220oC-225oC, pelletizing coolant-temperature gage
60oC, throttle valve temperature 22oC-23oC。
Technical solution three：
A kind of film made of degradation material, in parts by weight, raw material includes：30-65 parts of degradation materials and 35-70
Part polyolefin.
Further, the thickness of the film is 8-20 microns.
Technical solution four：
A kind of preparation method of degradable films, includes the following steps：
（1）It is dry：By degradation material vacuum degree be 0.15Pa-0.1Pa, temperature 70oC-80oIt is dry under conditions of C
10min-20min；
（2）Mixing：Polyolefin will be added in the above-mentioned dried degradation material, by it in stirrer for mixing, stirring
The rotating speed of machine is 60rpm-120rpm, mixing time 5min-10min；
（3）T-shaped membrana oralis curtain coating：By aforementioned mixed material, casting technique is melted by extrusion, film is made；
（4）Cooling：Film is cooled to 30-40 DEG C at room temperature；
（5）Sided corona treatment：By above-mentioned film before winding, generate corona using high-frequency and high-voltage power supply and two-sided electricity is carried out to mulch
Dizzy processing.
Further, the preferred linear low density polyethylene of the polyolefin.
The present invention has the following technical effect that：
Above-mentioned technical proposal provided by the invention has the advantage that：
Degradation material of the present invention, by introducing super-strong moisture absorbing resin in degradable material, the film prepared is dropping
Become natural water-retaining agent in solution preocess, a dynamic equilibrium can be reached with the moisture in soil, when soil moisture contains
When measuring big, moisture is absorbed, the evaporation capacity of soil moisture is reduced, when soil moisture content is too low, is slowly released into soil
It discharges water point, ensures that the content of soil moisture will not be too low, soil can be effectively improved, increase the water content of soil；The present invention
The preparation method of the degradation material of offer is simple, and the material prepared can be degraded to carbon dioxide, water in natural environment
And humus, any pollution will not be caused to environment.
Specific embodiment
Technical scheme of the present invention is further elaborated with reference to embodiments.Following embodiment is only used for more
Add and clearly demonstrate technical scheme of the present invention, therefore be only used as example, and be not intended to limit the protection scope of the present invention and limit the scope of the invention.
Material used in following embodiment is general goods in the market unless otherwise specified.
Embodiment 1：
A kind of degradation material, preparation method are as follows：
（1）Dry feedstock：By 30kg Sodium Polyacrylates, 0.02kg ferric stearates, the positive caprylyl ferrocene of 0.1kg and 69.88kg
Linear low density polyethylene 7042 is respectively 0.1Pa, temperature dry 10min under conditions of being 70 DEG C -80 DEG C in vacuum degree；
（2）Mixing：By dried component in shearing stirrer for mixing, the rotating speed of blender is 2500rpm, the temperature of stirring
Spend is 45oC-55oC, mixing time 15min；
（3）Squeeze out pelletizing：The product that mixing step obtains is squeezed out with dual-screw pelletizer, underwater pellet cutting system pelletizing；It squeezes out
One area's temperature 95 of machine drum bodyoC-100oC, two area's temperature 145 of cylinderoC-150oC, three area's temperature 195 of cylinderoC-200oC, cylinder four
Area's temperature 275oC-280oC, the area's temperature 245 of 5th area of cylinder ~ eightoC-250oC, die plate temperature 220oC-225oC, pelletizing coolant-temperature gage
60oC, throttle valve temperature 22oC-23oC；
Embodiment 2：
Step in the present embodiment（1）Raw material is 30kg polyacrylamides, and 0.05kg titanium dioxide, 69.95kg linea low densities gather
Ethylene 9020, remaining is same as Example 1.
Embodiment 3：
Step in the present embodiment（1）Raw material is 10kg polyacrylamides, the positive caprylyl ferrocene of 0.5kg, and 89.5kg is linear low close
Polyethylene 9020 is spent, remaining is same as Example 1.
Embodiment 4：
Step in the present embodiment（1）Raw material is 60kg polyacrylamides, 0.02kg titanium dioxide, two cyclopentadienyl of the positive caprylyls of 0.48kg
Iron, 89.5kg linear low density polyethylene 9020, remaining is same as Example 1.
Embodiment 5：
Step in the present embodiment（1）Raw material be 60kg polyacrylamides, 0.02kg ferric dimethyl dithiocarbamates,
39.98kg linear low density polyethylene 9020, remaining is same as Example 1.
Embodiment 6：
A kind of degradable films, preparation method are as follows：
（1）It is dry：By degradation material in 30kg embodiments 1 vacuum degree be 0.15Pa-0.1Pa, temperature 70oC-80oC's
Under the conditions of dry 10min-20min；
（2）Mixing：70kg linear low density polyethylene 9020 will be added in the above-mentioned dried degradation material, by its
Stirrer for mixing, the rotating speed of blender is 60rpm-120rpm, mixing time 5min-10min；
（3）T-shaped membrana oralis curtain coating：By aforementioned mixed material, casting technique is melted by extrusion, 0.012mm films are made；
（4）Cooling：Film is cooled to 30-40 DEG C at room temperature；
（5）Sided corona treatment：By above-mentioned film before winding, generate corona using high-frequency and high-voltage power supply and two-sided electricity is carried out to mulch
Dizzy processing.
Embodiment 7：
Raw material in the present embodiment is 65kg degradation materials described in embodiment 1 and 35kg linear low density polyethylene 7042,
Remaining step is same as Example 6.
Embodiment 8：
Raw material is the degradation material and 70kg linear low density polyethylene 9020 in 30kg embodiments 2 in the present embodiment.Remaining
Step is same as Example 6.
Embodiment 9：
Raw material is the degradation material and 70kg linear low density polyethylene 9020 in 30kg embodiments 3 in the present embodiment.Remaining
Step is same as Example 6.
Embodiment 10：
Raw material is the degradation material and 70kg linear low density polyethylene 9020 in 30kg embodiments 4 in the present embodiment.Remaining
Step is same as Example 6.
Test example 1：
It is exposed to the sun being put into xenon lamp artificial ageing case after the degradation material physical crushing described in embodiment 1-5.It is exposed to the sun time width
Band（300nm ~ 400nm）Irradiation level is（60±2）W/m2, narrowband（340nm）Irradiation level is（0.51±0.02）W/m2, add up
Radiation energy is 26MJ/m2.It is black mark temperature be（65±5）DEG C, relative humidity is（65±5）%, each water spraying time are（18±
0.5）Min, the time interval between spraying water twice are（102±0.5）min.Table 1 is the variation of swellbility.
1 degradation material swellbility of table changes table
As it can be seen from table 1 degradation material fragment after being exposed to the sun has a water-retaining property, and water retention property and super-strong moisture absorbing resin
Additive amount is positively correlated.
Test example 2：
Film described in embodiment 6-10 is put into xenon lamp artificial ageing case and is exposed to the sun.Broadband when being exposed to the sun（300nm ~
400nm）Irradiation level is（60±2）W/m2, narrowband（340nm）Irradiation level is（0.51±0.02）W/m2, accumulative radiation energy is
26MJ/m2.It is black mark temperature be（65±5）DEG C, relative humidity is（65±5）%, each water spraying time are（18±0.5）Min, two
Time interval between secondary water spray is（102±0.5）min.Table 2 is be exposed to the sun front and rear film longitudinal pulling force, elongation and swellbility
Variation.
2 degradable films longitudinal pulling force of table, elongation and swellbility
Note：Swellbility refers to that 1 gram of material is positioned in excessive distilled water, and the weight of liquid is absorbed after complete imbibition.Its unit
For g/g.
As can be seen from Table 2, the Effect on Mechanical Properties before superabsorbency resin is exposed to the sun to the degradation material is larger.
Additive amount increases, and fracture strength and elongation at break reduce.But the increase of superabsorbency resin volume, can improve after being exposed to the sun
The water absorbing properties of film fragments.
Certainly, in addition to embodiment 1-6 applies the situation cited by example six, type and weight proportion, the system of other raw material components
Condition and parameter during standby etc. can also.
Degradation material provided by the invention, by adding super-strong moisture absorbing resin, you can the hydroscopicity being prepared can drop
Solve material.The degradation material good film-forming property has potential high-hydroscopicity energy, available for environmental protection by the film that it is prepared
Type packaging material, Phthalates, agricultural land face covering film etc..These products use later can be by simple
Processing such as crushes, oxidation processes（Such as Composting treatment is exposed to the sun）, you can as the water-retaining agent of high added value, for improving soil
Earth increases the water content of soil.In addition, degradation material provided by the invention can finally be degraded to carbon dioxide, water and humic
Matter etc. will not cause environment any pollution.
Reference term " embodiment " in this specification description means to combine the specific features of embodiment description, knot
Structure, material or feature are included at least one embodiment of the present invention.In the present specification, to the schematic of above-mentioned term
Statement is necessarily directed to identical embodiment.Moreover, particular features, structures, materials, or characteristics described can be in office
It is combined in an appropriate manner in one or more embodiments.In addition, without conflicting with each other, those skilled in the art
The feature of different embodiments described in this specification and different embodiments can be combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (8)
1. a kind of degradation material, it is characterised in that：Raw material includes following components：10% ~ 60% superabsorbency material, 39.5% ~
89.5% polyolefin, 0.02% ~ 0.5% degradation agent.
2. a kind of degradation material according to claim 1, it is characterised in that：The superabsorbency resin is starch-series
Super absorbent resin, one or more of Super Absorbent Resin from Cellulose and synthetic polymer system super absorbent resin.
3. a kind of degradation material according to claim 2, it is characterised in that：The polyolefin is polyethylene or poly- third
Alkene.
4. a kind of degradation material according to claim 3, it is characterised in that：The degradation agent is titanium dioxide, oxidation
It is iron, manganese oxide, octyl ferrocene, positive caprylyl ferrocene, ferric stearate, manganese stearate, cobaltous octadecanate, copper stearate, hard
One in resin acid cerium, Lanthanum Stearate, Praseodymium Stearate, ferric dimethyl dithiocarbamate, diethyldithiocar bamic acid cerium
Kind is several.
5. the preparation method of degradation material as described in claim 1, it is characterised in that：Include the following steps：
（1）Dry feedstock：According to proportioning by each raw material components respectively vacuum degree be 0.15Pa-0.1Pa, temperature 70oC-80oC
Under conditions of dry 5min-10min；
（2）Mixing：By dried component in shearing stirrer for mixing, the rotating speed of blender is 1050rpm-2500rpm,
The temperature of stirring is 45oC-55oC, mixing time 5min-15min；
（3）Squeeze out pelletizing：The product that mixing step obtains is squeezed out with dual-screw pelletizer, underwater pellet cutting system pelletizing；It squeezes out
One area's temperature 95 of machine drum bodyoC-100oC, two area's temperature 145 of cylinderoC-150oC, three area's temperature 195 of cylinderoC-200oC, cylinder four
Area's temperature 275oC-280oC, the area's temperature 245 of 5th area of cylinder ~ eightoC-250oC, die plate temperature 220oC-225oC, pelletizing coolant-temperature gage
60oC, throttle valve temperature 22oC-23oC。
6. the film made of degradation material described in claim 1, which is characterized in that in parts by weight, raw material includes：
30-65 parts of degradation materials and 35-70 parts of polyolefin.
7. film as claimed in claim 6, it is characterised in that：The thickness of the film is 8-20 microns.
8. the preparation method of film as claimed in claim 6, which is characterized in that include the following steps：
（1）It is dry：By degradation material vacuum degree be 0.15Pa-0.1Pa, temperature 70oC-80oIt is dry under conditions of C
10min-20min；
（2）Mixing：Polyolefin will be added in the above-mentioned dried degradation material, by it in stirrer for mixing, stirring
The rotating speed of machine is 60rpm-120rpm, mixing time 5min-10min；
T-shaped membrana oralis curtain coating：By aforementioned mixed material, casting technique is melted by extrusion, film is made；
Cooling：Film is cooled to 30-40 DEG C at room temperature；
（5）Sided corona treatment：By above-mentioned film before winding, generate corona using high-frequency and high-voltage power supply and two-sided electricity is carried out to mulch
Dizzy processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810075381.8A CN108219261A (en) | 2018-01-26 | 2018-01-26 | A kind of degradation material and preparation method thereof, degradable films and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810075381.8A CN108219261A (en) | 2018-01-26 | 2018-01-26 | A kind of degradation material and preparation method thereof, degradable films and preparation method thereof |
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| CN108219261A true CN108219261A (en) | 2018-06-29 |
Family
ID=62668947
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| CN201810075381.8A Pending CN108219261A (en) | 2018-01-26 | 2018-01-26 | A kind of degradation material and preparation method thereof, degradable films and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112852059A (en) * | 2021-02-23 | 2021-05-28 | 靖江市康高特新材料科技有限公司 | Biological degradation agent and preparation method thereof |
| CN113150506A (en) * | 2021-03-02 | 2021-07-23 | 义乌市小薇新材料科技有限公司 | Degradable film for express bag and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622970A (en) * | 2002-03-29 | 2005-06-01 | 罗先高科技株式会社 | Biodegradable resin composition and manufacturing method thereof |
| WO2008027325A1 (en) * | 2006-08-28 | 2008-03-06 | Jacob Cernomous Jeffrey | Compositions and methods for producing articles from recycled materials |
| CN101443406A (en) * | 2006-05-11 | 2009-05-27 | 西巴控股有限公司 | Polymer article modified with a metal cation containing compound |
| CN105237980A (en) * | 2015-11-16 | 2016-01-13 | 太仓东能环保设备有限公司 | Degradable plastic and preparation method thereof |
-
2018
- 2018-01-26 CN CN201810075381.8A patent/CN108219261A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622970A (en) * | 2002-03-29 | 2005-06-01 | 罗先高科技株式会社 | Biodegradable resin composition and manufacturing method thereof |
| CN101443406A (en) * | 2006-05-11 | 2009-05-27 | 西巴控股有限公司 | Polymer article modified with a metal cation containing compound |
| WO2008027325A1 (en) * | 2006-08-28 | 2008-03-06 | Jacob Cernomous Jeffrey | Compositions and methods for producing articles from recycled materials |
| CN105237980A (en) * | 2015-11-16 | 2016-01-13 | 太仓东能环保设备有限公司 | Degradable plastic and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 刘引烽: "《特种高分子材料》", 31 December 2001, 上海大学出版社 * |
| 张安强等: "《高分子化学实验》", 31 December 2017, 华南理工大学出版社 * |
| 王澜等: "《高分子材料》", 31 January 2009, 中国轻工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112852059A (en) * | 2021-02-23 | 2021-05-28 | 靖江市康高特新材料科技有限公司 | Biological degradation agent and preparation method thereof |
| CN113150506A (en) * | 2021-03-02 | 2021-07-23 | 义乌市小薇新材料科技有限公司 | Degradable film for express bag and preparation method thereof |
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