CN105838048B - A kind of whole life cycle design PP Pipe Compound for being beneficial to soil moisture conservation and preparation method thereof - Google Patents
A kind of whole life cycle design PP Pipe Compound for being beneficial to soil moisture conservation and preparation method thereof Download PDFInfo
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- CN105838048B CN105838048B CN201610391841.9A CN201610391841A CN105838048B CN 105838048 B CN105838048 B CN 105838048B CN 201610391841 A CN201610391841 A CN 201610391841A CN 105838048 B CN105838048 B CN 105838048B
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- 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
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
Abstract
The invention discloses a kind of whole life cycle design PP Pipe Compound for being beneficial to soil moisture conservation and preparation method thereof, belong to technical field of macromolecules, it includes the first component and the second component, is characterised by：Second component is ethylene/vinyl alcohol copolymer, and the first component is made up of each raw material of following mass fraction：2~5 parts of 200~450 parts of PLA, poly terephthalic acid/500~800 parts of tetramethylene adipate copolymer, 2.5~5 parts of antioxidant, 2.5~5 parts of UV resistant agent, 50~80 parts of plasticizer and erucyl amide.The raw material proportioning that such a PP Pipe Compound is used can make melt have good mobility, and preferably, product toughness and tensile strength are higher, so as to degradable mulch of the excellent thickness of production performance below 10 microns for film forming；The air-tightness of raw material is added simultaneously, barrier property is good, can reduce moisture evaporation, so as to be laid a good foundation for the mulch film for preparing soil moisture conservation function admirable.
Description
Technical field
The invention belongs to technical field of macromolecules, and in particular to it is a kind of be beneficial to soil moisture conservation whole life cycle design PP Pipe Compound and
Its preparation method.
Background technology
Mulching planting can make crop yield improve 30% or so, in the vast arid area of northern China, mulch film kind
The advantage of plant is especially prominent so that mulching planting is widely applied.According to statistics, China's mulch film consumption in 2011
125.5 ten thousand tons, area coverage is up to 300,000,000 mu；National 136.2 ten thousand tons of mulch film consumption in 2013, more than 3.7 hundred million mus of culture underglass area；
More than 3.8 hundred million mus of plastic film mulching cultivation area in 2014,142.8 ten thousand tons of sales volume of mulch film year, annual consumption is all quickly increasing.
The mulch film overwhelming majority used at present is PE mulch films, due to its non-biodegradable, and mulching film planting is for China's agricultural
While production is made that major contribution, with the passage of its use time, white pollution problems are also increasingly serious, not only threaten
The ecological environment that we depend on for existence, mulch film remains the underproduction for also creating crops.White pollution problems must be solved as early as possible
The great attention of associated specialist is caused.
The whole life cycle design for being able to that non-petroleum base biodegradation material is raw material is developed in the recent period, and it is typically in soil
After compost treatment 3 to 6 months, so that it may completely by the bacterial digestion in soil, or even some compositions can be broken down into and have to plant
The nutrient such as lactic acid, carbon dioxide and water of benefit, complete raw material come from naturally, it is last but return in naturally this be circulated throughout
Journey, revolutionizes traditional PE plastics and is difficult to degrade, to the situation of Zinc fractions white pollution.
The application of this emerging product with whole life cycle design, although finding that it solves white pollution problems,
Moisture evaporation after use is too fast with being lost in, and soil moisture conservation performance is bad, influences growth and the yield of crop, have impact in turn such a
The popularization and application of mulch film.It is therefore desirable to a whole life cycle design for reducing water loss of those skilled in the art's research and development,
The problem is solved, what is stood in the breach is its raw material development.
The content of the invention
The technical problems to be solved by the invention be to provide it is a kind of be beneficial to soil moisture conservation whole life cycle design PP Pipe Compound and its
Preparation method, by increasing capacitance it is possible to increase air-tightness, reduces water loss.
In order to solve the above technical problems, the technical scheme is that：A kind of complete biodegradable for being beneficial to soil moisture conservation of invention
Film special material, including the first component and the second component, it is characterised in that：Second component is ethylene/vinyl alcohol copolymer, first group
Divide and be made up of each raw material of following mass fraction：
200~450 parts of PLA
Poly terephthalic acid/500~800 parts of tetramethylene adipate copolymer
2.5~5 parts of antioxidant
2.5~5 parts of UV resistant agent
50~80 parts of plasticizer
2~5 parts of erucyl amide
The material quantity of first component is 750~790 mass parts, and the material quantity of the second component is 190~210 mass parts.
It is preferred that, first component is made up of each raw material of following mass fraction：
310 parts of PLA
Poly terephthalic acid/600 parts of tetramethylene adipate copolymer
3 parts of antioxidant
3 parts of UV resistant agent
60 parts of plasticizer
4 parts of erucyl amide
The material quantity of first component is 784 mass parts, and the material quantity of the second component is 200 mass parts.
It is preferred that, include the third component of 15~20 mass parts, third component by following mass fraction each raw material group
Into：
70~75 parts of PLA
5~8 parts of plasticizer
18~22 parts of superfine carbon black.
It is preferred that, the third component is made up of each raw material of following mass fraction：
75 parts of PLA
5 parts of plasticizer
20 parts of superfine carbon black
The material quantity of third component is 16 mass parts.
It is preferred that, the plasticizer is ATBC.
It is preferred that, the antioxidant is 1010.
It is preferred that, the UV resistant agent is UV770.
Present invention also offers a kind of method for preparing the above-mentioned whole life cycle design PP Pipe Compound for being beneficial to soil moisture conservation, its feature
It is：Comprise the following steps：
（1）By each raw material high-speed stirred of the first component until being well mixed, then through dual-screw pelletizer melt blending
Tie rod, pelletizing afterwards, is made the first component；
（2）Each raw materials melt of third component is mediated, then granulated through single screw rod comminutor, third component is made.
It is preferred that, step（1）In, the head of dual-screw pelletizer is reached during melt molding behind eight areas, from
A-P and corresponding temperature are followed successively by：First 150 DEG C of area, 165 DEG C of the secondth area, 175 DEG C of the 3rd area, the 4th area to SECTOR-SEVEN
170 DEG C of 180 DEG C, 170 DEG C of Section Eight and head；
Step（2）In, prilling temperature is 180 DEG C.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the raw material proportioning used can make melt have good mobility, and film forming is preferable, product toughness and tension
Intensity is higher, so as to degradable mulch of the excellent thickness of production performance below 10 microns；The gas of raw material is added simultaneously
Close property, barrier property is good, can reduce moisture evaporation, so as to be laid a good foundation for the mulch film for preparing soil moisture conservation function admirable.
2nd, due to the addition of third component, the mulch film with black bands can be prepared, black bands are located between ridge, reduce ridge
Between photosynthesis, can preferably suppress the growth of weeds between ridge, improve the effective rate of utilization of crops nutrient.
3rd, during preparing component, the temperature setting in dual-screw pelletizer Zhong Ge areas enables to raw material not to be decomposed
In the case of, with good mobility, all more uniform component of density and size is made, is the premise bar that homogeneous mulch film is made
Part.
Embodiment
The present invention is described in further detail with reference to embodiment.
Embodiment one
The present embodiment uses the 3rd group of the first component, the second component of 210 mass parts and 20 mass parts of 750 mass parts
It is allocated as preparing the raw material of agricultural mulching.The preparation process of wherein the first component is as follows：
By the PLA of 200 mass parts, poly terephthalic acid/tetramethylene adipate copolymer of 800 mass parts, 2.5
1010 type antioxidant of mass parts, UV770 types UV resistant agent, the ATBC of 80 mass parts and 2 mass of 5 mass parts
The erucyl amide of part is mixed, and high-speed stirred is well mixed 10 minutes it, and well mixed material is made into twin-screw
The first component is made in grain machine, tie rod, pelletizing after melt blending in dual-screw pelletizer.Wherein, ATBC is plasticising
Agent, erucyl amide is antiblocking agent.First component reaches dual-screw pelletizer during melt molding behind eight areas
Head, is followed successively by from A-P and corresponding temperature：First 150 DEG C of area, 165 DEG C of the secondth area, 175 DEG C of the 3rd area, the 4th area are extremely
170 DEG C of 180 DEG C of SECTOR-SEVEN, 170 DEG C of Section Eight and head.
The preparation process of third component is as follows：
The superfine carbon black of the PLA of 70 mass parts, the ATBC of 8 mass parts and 18 mass parts is mediated into melting,
Granulated through single screw rod comminutor, third component is made.Prilling temperature is 180 DEG C.
Above-mentioned superfine carbon black is nanoscale carbon black, and the rotating speed of high-speed stirred is 600 revs/min.
Embodiment two
The present embodiment is that the raw material dosage for preparing the first component and third component is different from the difference of embodiment one.
Take the PLA, poly terephthalic acid/tetramethylene adipate copolymer of 600 mass parts, 3 mass parts of 310 mass parts
1010 type antioxidant, the UV770 types UV resistant agent of 3 mass parts, the erucic acid of the ATBC of 60 mass parts and 4 mass parts
Acid amides is used as the raw material for preparing the first component.
Take and regard the superfine carbon black of the PLA of 75 mass parts, the ATBC of 5 mass parts and 20 mass parts as system
The raw material of standby third component.
Embodiment three
The present embodiment is that the raw material dosage for preparing the first component and third component is different from the difference of embodiment one.
Take the PLA, poly terephthalic acid/tetramethylene adipate copolymer of 500 mass parts, 5 mass parts of 450 mass parts
1010 type antioxidant, the UV770 types UV resistant agent of 2.53 mass parts, the ATBC of 50 mass parts and 5 mass parts
Erucyl amide is used as the raw material for preparing the first component.
Take and regard the superfine carbon black of the PLA of 72 mass parts, the ATBC of 6 mass parts and 22 mass parts as system
The raw material of standby third component.
Example IV
The present embodiment is that the consumption of three kinds of components is different from the difference of embodiment one.Use the of 790 mass parts
The third component of one component, the second component of 190 mass parts and 15 mass parts is used as the raw material for preparing agricultural mulching.
Embodiment five
The present embodiment is that the consumption of three kinds of components is different from the difference of embodiment one.Use the of 784 mass parts
The third component of one component, the second component of 200 mass parts and 16 mass parts is used as the raw material for preparing agricultural mulching.
Embodiment six
The present embodiment is that the consumption of three kinds of components is different from the difference of embodiment two.Use the of 790 mass parts
The third component of one component, the second component of 190 mass parts and 15 mass parts is used as the raw material for preparing agricultural mulching.
Embodiment seven
The present embodiment is that the consumption of three kinds of components is different from the difference of embodiment two.Use the of 784 mass parts
The third component of one component, the second component of 200 mass parts and 16 mass parts is used as the raw material for preparing agricultural mulching.
Embodiment eight
The present embodiment is that the consumption of three kinds of components is different from the difference of embodiment three.Use the of 790 mass parts
The third component of one component, the second component of 190 mass parts and 15 mass parts is used as the raw material for preparing agricultural mulching.
Embodiment nine
The present embodiment is that the consumption of three kinds of components is different from the difference of embodiment three.Use the of 784 mass parts
The third component of one component, the second component of 200 mass parts and 16 mass parts is used as the raw material for preparing agricultural mulching.
Raw material is made by determining in above-described embodiment, and its important technological parameters is as shown in the table：
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
It is the present invention that what those skilled in the art, which is combined, changes or retrofited possibly also with the technology contents of the disclosure above,
Equivalent embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is implemented to more than
Any simple modification, equivalent variations and remodeling that example is made, still fall within the protection domain of technical solution of the present invention.
Claims (8)
1. a kind of whole life cycle design PP Pipe Compound for being beneficial to soil moisture conservation, including the first component and the second component, it is characterised in that：The
Two components are ethylene/vinyl alcohol copolymer, and the first component is made up of each raw material of following mass fraction：
The material quantity of first component is 750~790 mass parts, and the material quantity of the second component is 190~210 mass parts；
Also include the third component of 15~20 mass parts, third component is made up of each raw material of following mass fraction：
70~75 parts of PLA
5~8 parts of plasticizer
18~22 parts of superfine carbon black.
2. the whole life cycle design PP Pipe Compound according to claim 1 for being beneficial to soil moisture conservation, it is characterised in that：Described first group
Divide and be made up of each raw material of following mass fraction：
The material quantity of first component is 784 mass parts, and the material quantity of the second component is 200 mass parts.
3. the whole life cycle design PP Pipe Compound according to claim 1 or 2 for being beneficial to soil moisture conservation, it is characterised in that：Described
Three components are made up of each raw material of following mass fraction：
75 parts of PLA
5 parts of plasticizer
20 parts of superfine carbon black
The material quantity of third component is 16 mass parts.
4. the whole life cycle design PP Pipe Compound according to claim 3 for being beneficial to soil moisture conservation, it is characterised in that：The plasticizer
For ATBC.
5. the whole life cycle design PP Pipe Compound according to claim 4 for being beneficial to soil moisture conservation, it is characterised in that：The antioxidant
For 1010.
6. the whole life cycle design PP Pipe Compound according to claim 5 for being beneficial to soil moisture conservation, it is characterised in that：The uvioresistant
Line agent is UV770.
7. a kind of preparation method of any described whole life cycle design PP Pipe Compound for being beneficial to soil moisture conservation of claim 1 to 6, it is special
Levy and be：Comprise the following steps：
(1) by each raw material high-speed stirred of the first component until being well mixed, then through dual-screw pelletizer melt blending post-tensioning
Bar, pelletizing, are made the first component；
(2) each raw materials melt of third component is mediated, then granulated through single screw rod comminutor, third component is made.
8. the preparation method of the whole life cycle design PP Pipe Compound according to claim 7 for being beneficial to soil moisture conservation, it is characterised in that：
In step (1), the head of dual-screw pelletizer is reached during melt molding behind eight areas, from A-P and corresponding temperature
Degree is followed successively by：First 150 DEG C of area, 165 DEG C of the secondth area, 175 DEG C of the 3rd area, the 4th area to 180 DEG C of SECTOR-SEVEN, 170 DEG C of Section Eight
With 170 DEG C of head；
In step (2), prilling temperature is 180 DEG C.
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| CN201610391841.9A CN105838048B (en) | 2016-06-06 | 2016-06-06 | A kind of whole life cycle design PP Pipe Compound for being beneficial to soil moisture conservation and preparation method thereof |
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| CN201610391841.9A CN105838048B (en) | 2016-06-06 | 2016-06-06 | A kind of whole life cycle design PP Pipe Compound for being beneficial to soil moisture conservation and preparation method thereof |
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| CN107057177A (en) * | 2017-04-27 | 2017-08-18 | 江苏华昌织物有限公司 | A kind of degradable mulch Masterbatch and preparation method thereof |
| CN109251488B (en) * | 2018-09-20 | 2021-02-05 | 中国科学院长春应用化学研究所 | Biodegradable light conversion film and preparation method thereof |
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| US8513144B2 (en) * | 2007-06-15 | 2013-08-20 | Honeywell International Inc | Property films from renewable polymers |
| CN103612455A (en) * | 2013-11-22 | 2014-03-05 | 傅杰 | PLA (Polylactic Acid)-EVOH (Ethylene Vinyl Alcohol) composite material |
| CN103640290B (en) * | 2013-12-13 | 2015-05-13 | 山东汇盈新材料科技有限公司 | Completely biodegradable composite membrane with high barrier property |
| CN103950257A (en) * | 2014-05-08 | 2014-07-30 | 武汉华丽生物材料有限公司 | High-barrier bio-based composite membrane and preparation method thereof |
| CN104072953B (en) * | 2014-06-30 | 2017-01-04 | 杭州鑫富科技有限公司 | A kind of complete biodegradable agricultural mulching of controlled degradation |
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