CN106084424A - Can fast degraded biologically plastic sheeting - Google Patents
Can fast degraded biologically plastic sheeting Download PDFInfo
- Publication number
- CN106084424A CN106084424A CN201610632485.5A CN201610632485A CN106084424A CN 106084424 A CN106084424 A CN 106084424A CN 201610632485 A CN201610632485 A CN 201610632485A CN 106084424 A CN106084424 A CN 106084424A
- Authority
- CN
- China
- Prior art keywords
- plastic sheeting
- fast degraded
- degraded biologically
- semen maydis
- maydis powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention discloses can fast degraded biologically plastic sheeting, described thin film is made up through blown film of master batch, and described master batch includes following material: polyethylene, the implant of 1 2um, degradation agent, dispersant, lubricant.Compared with prior art, the mechanical property of prepared plastic film for agricultural use presses GB 4,455 2006 standard detection to the present invention, its hot strength vertical, horizontal >=14MPa, elongation at break vertical, horizontal >=300%, angle tear strength vertical, horizontal >=55KN/m.The light transmission of this film is good, and Cotton Gossypii plays a part volume increase, and after the induction period of 60 days, the degradative phase of 90 days, its thin film relic is less than 1 × 1cm2。
Description
Technical field
The invention belongs to degradable plastic film, particularly belong to the biodegradable plastic film containing polyethylene.
Background technology
Agricultural mulching can play soil moisture conservation, insulation, weeding, parasite killing four kinds effect, can increase substantially the yield of crops.
The master batch of tradition agricultural mulching is polyethylene, and this material has the physical property of excellence.But the degradation time of this plastic sheeting
Long, it is widely used and can cause serious " white pollution ".The main path solving plastic sheeting " white pollution " at present is exploitation
Degradable agricultural film, current degradable agricultural film, its light transmission is poor, causes the underproduction of Cotton Gossypii, and through the induction period of 60 days,
The degradative phase of 150 days, its relic is more than 4 × 4cm2, it is impossible to meet actual needs.
Summary of the invention:
The technical problem to be solved is to provide a kind of induction period through 60 days, after the degradative phase of 90 days, its
Relic is less than 1 × 1cm2Plastic sheeting.
The present invention solves the technical scheme of technical problem: can fast degraded biologically plastic sheeting, described thin film is by mother
Grain is made through blown film, and described master batch includes following material and weight portion:
Described implant includes following material and weight portion:
Calcium carbonate 40-50
Semen Maydis powder 40-50
Described Semen Maydis powder processes through hydrophobization, and detailed process is as follows:
By the Semen Maydis powder that crushes in the case of stirring, add hydrophobic modifier, normal temperature modified 1-2 hour,；Beautiful
Rice flour is 100:1-2 with the weight ratio of hydrophobic modifier；
Described hydrophobic modifier is silane coupler, and model is kh550, raw by Nanjing Chuan Shi auxiliary chemicals company limited
Produce.
Described degradation agent is 1-oxygen-acetyl inulicin, 5-methoxyl group-2-(4-methoxyl group-3,5-dimethyl-2-
Pyridine radicals) methyl thio-1H-benzimidazole, D-(+) mixture of-di-p-methoxy benzoyltartaric acid, the rotation of 1-oxygen-acetyl
Flos Inulae lactone, 5-methoxyl group-2-(4-methoxyl group-3,5-dimethyl-2-pyridine radicals) methyl thio-1H-benzimidazole, D-(+)-
The weight ratio of di-p-methoxy benzoyltartaric acid is 1:0.01-0.1:0.05-0.1.
Described dispersant is hyper-dispersant, and model is that YY502 is produced by Guangzhou Yuan Tai synthetic material company limited.
Described lubricant is zinc stearate；
Described polyethylene includes that the line style of high density polyethylene (HDPE) that concentration expressed in percentage by weight is 60-75% and 25-40% is low
Density polyethylene；
After utilizing prior art to carry out blending extrusion polyethylene, implant, degradation agent, lubricant, dispersant, make mother
Grain.
The present invention is compared with present technology, and the mechanical property of prepared plastic film for agricultural use presses GB4455-2006 standard detection, its
Hot strength vertical, horizontal >=14MPa, elongation at break vertical, horizontal >=300%, angle tear strength vertical, horizontal >=55KN/m.
The light transmission of this film is good, Cotton Gossypii plays a part volume increase, and after the induction period of 60 days, the degradative phase of 90 days, it is thin
Film relic is less than 1 × 1cm2。
Detailed description of the invention
Below by embodiment, the present invention is specifically described, it is necessary to it is pointed out here that be that following example are served only for
The present invention is further described, it is impossible to be interpreted as limiting the scope of the invention, the person skilled in the art in this field
According to the invention described above content, the present invention is made some nonessential improvement and adjustment, still fall within scope.
Embodiment 1:
Can fast degraded biologically plastic sheeting, described thin film is made up through blown film of master batch, and described master batch includes following
Material and weight portion:
Described implant includes following material and weight portion:
Calcium carbonate 40
Semen Maydis powder 40
Described Semen Maydis powder processes through hydrophobization, and detailed process is as follows:
By the Semen Maydis powder that crushes in the case of stirring, add hydrophobic modifier, normal temperature modified 1 hour,；Semen Maydis
Powder is 100:1 with the weight ratio of hydrophobic modifier；
Described hydrophobic modifier is silane coupler, and model is kh550, raw by Nanjing Chuan Shi auxiliary chemicals company limited
Produce.
Described degradation agent is 1-oxygen-acetyl inulicin, 5-methoxyl group-2-(4-methoxyl group-3,5-dimethyl-2-
Pyridine radicals) methyl thio-1H-benzimidazole, D-(+) mixture of-di-p-methoxy benzoyltartaric acid, the rotation of 1-oxygen-acetyl
Flos Inulae lactone, 5-methoxyl group-2-(4-methoxyl group-3,5-dimethyl-2-pyridine radicals) methyl thio-1H-benzimidazole, D-(+)-
The weight ratio of di-p-methoxy benzoyltartaric acid is 1:0.01:0.05.
Described dispersant is hyper-dispersant, and model is that YY502 is produced by Guangzhou Yuan Tai synthetic material company limited.
Described lubricant is zinc stearate；
Described polyethylene include high density polyethylene (HDPE) that concentration expressed in percentage by weight is 60% and 40% linear, low density gather
Ethylene；
Embodiment 2:
Can fast degraded biologically plastic sheeting, described thin film is made up through blown film of master batch, and described master batch includes following
Material and weight portion:
Described implant includes following material and weight portion:
Calcium carbonate 46
Semen Maydis powder 44
Described Semen Maydis powder processes through hydrophobization, and detailed process is as follows:
By the Semen Maydis powder that crushes in the case of stirring, after adding hydrophobic modifier, normal temperature modified 1.5 hours,；
Semen Maydis powder is 100:1.5 with the weight ratio of hydrophobic modifier；
Described hydrophobic modifier is silane coupler, and model is kh550, raw by Nanjing Chuan Shi auxiliary chemicals company limited
Produce.
Described degradation agent is 1-oxygen-acetyl inulicin, 5-methoxyl group-2-(4-methoxyl group-3,5-dimethyl-2-
Pyridine radicals) methyl thio-1H-benzimidazole, D-(+) mixture of-di-p-methoxy benzoyltartaric acid, the rotation of 1-oxygen-acetyl
Flos Inulae lactone, 5-methoxyl group-2-(4-methoxyl group-3,5-dimethyl-2-pyridine radicals) methyl thio-1H-benzimidazole, D-(+)-
The weight ratio of di-p-methoxy benzoyltartaric acid is 1:0.05:0.08.
Described dispersant is hyper-dispersant, and model is that YY502 is produced by Guangzhou Yuan Tai synthetic material company limited.
Described lubricant is zinc stearate；
Described polyethylene include high density polyethylene (HDPE) that concentration expressed in percentage by weight is 70% and 30% linear, low density gather
Ethylene；
Embodiment 3:
Can fast degraded biologically plastic sheeting, described thin film is made up through blown film of master batch, and described master batch includes following
Material and weight portion:
Described implant includes following material and weight portion:
Calcium carbonate 50
Semen Maydis powder 50
Described Semen Maydis powder processes through hydrophobization, and detailed process is as follows:
By the Semen Maydis powder that crushes in the case of stirring, add hydrophobic modifier, normal temperature modified 2 hours,；Semen Maydis
Powder is 100:2 with the weight ratio of hydrophobic modifier；
Described hydrophobic modifier is silane coupler, and model is kh550, raw by Nanjing Chuan Shi auxiliary chemicals company limited
Produce.
Described degradation agent is 1-oxygen-acetyl inulicin, 5-methoxyl group-2-(4-methoxyl group-3,5-dimethyl-2-
Pyridine radicals) methyl thio-1H-benzimidazole, D-(+) mixture of-di-p-methoxy benzoyltartaric acid, the rotation of 1-oxygen-acetyl
Flos Inulae lactone, 5-methoxyl group-2-(4-methoxyl group-3,5-dimethyl-2-pyridine radicals) methyl thio-1H-benzimidazole, D-(+)-
The weight ratio of di-p-methoxy benzoyltartaric acid is 1:0.1:0.1.
Described dispersant is hyper-dispersant, and model is that YY502 is produced by Guangzhou Yuan Tai synthetic material company limited.
Described lubricant is zinc stearate；
Described polyethylene include high density polyethylene (HDPE) that concentration expressed in percentage by weight is 75% and 25% linear, low density gather
Ethylene；
Embodiment 4:
In addition to being not added with degradation agent, remaining is same as in Example 1.
By the master batch made by embodiment 1,2,3,4, by prior art, being blow molded into plastic film for agricultural use, its mechanical property presses GB
4455-2006 standard detection, its hot strength vertical, horizontal >=14MPa, elongation at break vertical, horizontal >=300%, right-angle tearing
Intensity vertical, horizontal >=55KN/m.
By the blown plastic film for agricultural use of embodiment 1,2,3,4, covering on the cotton field in Xinjiang, the Cotton Gossypii of embodiment 1,2,3 produces
The amount high 4-5% of comparing embodiment 4.After the degradative phase of the induction periods of 60 days and 90 days, the relic of embodiment 1,2,3 is less than 1
×1cm2；The relic of embodiment 4 is more than 4 × 4cm2。
Claims (8)
1. can fast degraded biologically plastic sheeting, described thin film is made up through blown film of master batch, it is characterised in that: described master batch
Including following material and weight portion:
The most according to claim 1 can fast degraded biologically plastic sheeting, it is characterised in that: described implant include with
Lower material and weight portion:
Calcium carbonate 40-50
Semen Maydis powder 40-50.
The most according to claim 2 can fast degraded biologically plastic sheeting, it is characterised in that: described Semen Maydis powder is through dredging
Hydration process, detailed process is as follows:
By the Semen Maydis powder that crushes in the case of stirring, after adding hydrophobic modifier, normal temperature modified 1-2 hour,；Semen Maydis
Powder is 100:1-2 with the weight ratio of hydrophobic modifier.
The most according to claim 3 can fast degraded biologically plastic sheeting, it is characterised in that: described hydrophobic modifier is
Silane coupler.
The most according to claim 1 can fast degraded biologically plastic sheeting, it is characterised in that: described degradation agent is 1-
Oxygen-acetyl inulicin, 5-methoxyl group-2-(4-methoxyl group-3,5-dimethyl-2-pyridine radicals) methyl thio-1H-benzo miaow
Azoles, D-(+)-di-p-methoxy benzoyltartaric acid mixture, 1-oxygen-acetyl inulicin, 5-methoxyl group-2-(4-first
Epoxide-3,5-dimethyl-2-pyridine radicals) methyl thio-1H-benzimidazole, D-(+)-di-p-methoxy benzoyltartaric acid
Weight ratio is 1:0.01-0.1:0.05-0.1.
The most according to claim 1 can fast degraded biologically plastic sheeting, it is characterised in that: described dispersant is oversubscription
Powder.
The most according to claim 1 can fast degraded biologically plastic sheeting, it is characterised in that: described lubricant is stearic
Acid zinc.
The most according to claim 1 can fast degraded biologically plastic sheeting, it is characterised in that: described polyethylene includes weight
Amount percentage concentration is high density polyethylene (HDPE) and the linear low density polyethylene (LLDPE) of 25-40% of 60-75%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610632485.5A CN106084424A (en) | 2016-08-04 | 2016-08-04 | Can fast degraded biologically plastic sheeting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610632485.5A CN106084424A (en) | 2016-08-04 | 2016-08-04 | Can fast degraded biologically plastic sheeting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106084424A true CN106084424A (en) | 2016-11-09 |
Family
ID=57454780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610632485.5A Pending CN106084424A (en) | 2016-08-04 | 2016-08-04 | Can fast degraded biologically plastic sheeting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106084424A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233077A (en) * | 2018-07-24 | 2019-01-18 | 桐城市正阳包装有限公司 | A kind of biodegradable plastic film |
-
2016
- 2016-08-04 CN CN201610632485.5A patent/CN106084424A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233077A (en) * | 2018-07-24 | 2019-01-18 | 桐城市正阳包装有限公司 | A kind of biodegradable plastic film |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |
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| RJ01 | Rejection of invention patent application after publication |