CN107793720A - Special whole life cycle design PP Pipe Compound of peanut and preparation method thereof - Google Patents

Special whole life cycle design PP Pipe Compound of peanut and preparation method thereof Download PDF

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Publication number
CN107793720A
CN107793720A CN201711256560.3A CN201711256560A CN107793720A CN 107793720 A CN107793720 A CN 107793720A CN 201711256560 A CN201711256560 A CN 201711256560A CN 107793720 A CN107793720 A CN 107793720A
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China
Prior art keywords
parts
life cycle
pipe compound
peanut
whole life
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CN201711256560.3A
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Inventor
付宇经
宣兆志
阎宝林
李开磊
张鑫科
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Shandong Tianye Biodegradation New Material Technology Co Ltd
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Shandong Tianye Biodegradation New Material Technology Co Ltd
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Priority to CN201711256560.3A priority Critical patent/CN107793720A/en
Publication of CN107793720A publication Critical patent/CN107793720A/en
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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
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • 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
    • 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
    • B29C2948/92552—Frequency
    • 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
    • B29C2948/9258—Velocity
    • 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
    • C08J2367/04—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
    • 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
    • C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/222—Magnesia, i.e. magnesium oxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/10—Transparent films; Clear coatings; Transparent materials
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • 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
    • 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
    • C08L2205/24—Crystallisation aids

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Protection Of Plants (AREA)

Abstract

One cultivates peanut special whole life cycle design PP Pipe Compound, it is characterised in that in terms of parts by weight, is made up of following component：100 parts of PLA；70 90 parts of PBAT；0.5 1.0 parts of nucleator；Compound 5 10 parts of hydrolysis-resisting agent；0.5 1.5 parts of composite anti-ultraviolet line agent；36 parts of molecular weight regulator；20 30 parts of flexible modifying agent.The mulch film of PP Pipe Compound production of the present invention has excellent hydrolytic Resistance, and excellent light aging resisting property, flexility is good, and mulch film Kekelé structure count is good（Save the laying plastic time）, light transmittance height；The PP Pipe Compound under composting conditionses can complete biodegradable into carbon dioxide and water, soil and environment will not be polluted, be suitable as peanut mulch film.

Description

Special whole life cycle design PP Pipe Compound of peanut and preparation method thereof
Technical field
The invention belongs to covered ground thin film technique field, exactly, is related to special whole life cycle design of cultivating peanut PP Pipe Compound and preparation method thereof.
Background technology
At present, mulch film has been widely used for various countries' agriculture field, and with its exclusive insulation, moisturizing, soil moisture conservation, increasing The effects such as fertilizer, volume increase, attention；In China, the usage amount of annual mulch film is more than 1,000,000 tons, and the material base of these mulch films This is all the conventional petroleum sill such as PE, and these materials cause serious white using that can be retained in after discarding in soil Pollution；Peanut cultivation is extremely widespread in China, has larger development prospect；Biopolvester material such as lined polymethyl ethylene carbonic ether （PPC）, PLA（PLA）, polybutylene terephthalate (PBT)-hexanedioic acid butanediol ester（PBAT）As new biodegradation Material, it is made up of the plant resources raw material regenerating；Can be degradable by microorganism in nature after its use, ultimately generate two Carbonoxide and water, it is universally acknowledged environment-friendly material；The biology prepared using fully biodegradable macromolecule resin is dropped Solution mulch film is the effective way for solving farmland " white pollution " problem, has wide market prospects.In terms of complete biodegradable, Many patents are applied for, if a kind of biodegradable weed removal mulch film of the Chinese patent of Application No. 201610985359.8 is in horse Application in the cultivation of bell potato, Biodegradable resin PLA (PLA) and poly- (tetramethylene adipate-terephthalic acid (TPA) butanediol Ester) (PBAT) 70~97% give birth to, thing degrading herbicide master batch 3~30%, it is extruded granulation and be made.Effectively preventing and treating furrow face is miscellaneous Grass grows and solved the problem of environmental pollution that common plasticses are brought, and saves manual labor's power cost；Chinese patent A kind of PLA of CN103709695B are material modified and preparation method thereof and PLA Biodegradable mulch, consisting of PLA 58- 80 weight %, PBAT 15-40 weight %, modified talc powder 0.1-5 weight %, antioxidant 0.1-2 weight %, ultraviolet suction Agent 0.1-1 weight % are received, light stabilizer 0.1-2 weight %, opening agent 0.1-2 weight %, chain extender 0.1-1 weight %, are drawn Send out agent 0.0005-0.05 weight %；The mulch film of patent production has higher intensity and elongation.Analyze and send out through patent It is existing, it is exclusively used in that the degradative plastic film of peanut covering is seldom, and peanut degradative plastic film needs to meet following characteristics：（1）Because mulch film needs By summer high-temperature ultraviolet irradiation, thus need to add the special steady agent of ultraviolet and light；（2）Summer rainwater is more, and biology drop Solution material easily hydrolyzes, and a kind of independent hydrolysis-resisting agent is difficult to meet to require.
For above-mentioned technical characterstic and problem, the invention provides one cultivate peanut special whole life cycle design PP Pipe Compound and Its preparation method, the complete biodegradable of PP Pipe Compound production of the present invention is applied to peanut covering mulch film, for the peanut growth phase Feature, has excellent hydrolytic Resistance and an anti-light aging performance, and the mulch film flexility of production is good, Kekelé structure count is good（Save paving If the mulch film time）, light transmittance it is high, and there is completely biodegradable energy.
The content of the invention
Cultivated peanut special whole life cycle design PP Pipe Compound and preparation method thereof it is an object of the present invention to provide one, the degraded is special Materials further improve the transparency of material by adding nucleator, and add the opening performance of mulch film；Molecular weight regulator Use can be effectively increased the molecular weight of degradable material, improve the mechanical property of material；The addition of flexible modifying agent improves material The flexibility and filming performance of material；The water resistant of degradative plastic film is improved by adding compound hydrolysis-resisting agent and composite anti-ultraviolet line agent Solve performance and light aging resisting property.The mulch film of PP Pipe Compound production of the present invention has excellent hydrolytic Resistance, and excellent is fast light old Change performance, flexility is good, and mulch film Kekelé structure count is good（Save the laying plastic time）, light transmittance height.The PP Pipe Compound is in composting conditionses Under can complete biodegradable into carbon dioxide and water, soil and environment will not be polluted.
One cultivates peanut special whole life cycle design PP Pipe Compound, in terms of parts by weight, is made up of following component：
100 parts of PLA；PBAT 70-90 parts；Nucleator 0.5-1.0 parts；Compound hydrolysis-resisting agent 5-10 parts；Composite anti-ultraviolet line agent 0.5-1.5 parts；Molecular weight regulator 3-6 parts；Flexible modifying agent 20-30 parts.
Wherein described PLA is PLA, molecular weight 8-15 ten thousand.The resin is under composting conditionses, and Relative biological decomposes within 180 days Rate is more than 90%.
Described PBAT is polyadipate/butylene terephthalate, molecular weight 30000-50000, lower molecular weight PBAT there is preferable processing fluidity.
The nucleator is two（To methyl benzylidene）Sorbierite.
Described compound hydrolysis-resisting agent is the mixture of pentaerythrite and magnesia, and its part by weight is 1:(2-3).
Due to containing carboxyl in Biopolvester material molecule, pentaerythrite can close the residual carboxylic groups of polyester material, effectively Draw up polyester material mechanical properties decrease caused by hydrolysis, and the magnesia then moisture in further absorbing material.Experiment card Bright, two kinds of hydrolysis-resisting agents share so that the hydrolytic Resistance of material greatly improves.
Described composite anti-ultraviolet line agent be 4,4- [[（Toluidine）Methylene] amine] ethyl benzoate （Tinuvin10）With 4.N- (2- ethoxyl phenenyls)-N '-（4- ethylphenyls）- oxalamide（Ultra-violet absorber VSU）, two Person greatly improves material light aging resisting property, and its part by weight is 1:(0.5-2).
The molecular weight regulator is N, N- dihydroxy (diisopropyl) aniline (HPA) and the butanediol of Isosorbide-5-Nitrae one (BDO) it is mixed Compound, weight ratio are 1:(0.5-2).
Described flexible modifying agent be low molecule amount polycaprolactone, mean molecule quantity 1000-3000, flexibility pole It is good, the plasticising toughener as PLA resin.
The present invention one cultivate peanut special whole life cycle design PP Pipe Compound preparation method it is as follows：
（1）PLA, PBAT are put into 80 DEG C of baking ovens and dried 4 hours, is taken out, it is standby；
（2）By PLA, PBAT, nucleator, compound hydrolysis-resisting agent, the agent of composite anti-ultraviolet line, molecular weight regulator and flexible modifying agent The stirring of mixer high speed is added to, mixing time 5 minutes or so, releases material；
（3）By the good material of mixture extruding pelletization in double screw extruder, double screw extruder temperature is 150 DEG C ~ 170 DEG C, Produce the special whole life cycle design PP Pipe Compound of peanut.
By above PP Pipe Compound, blown film, thickness are more than 6 μm under the conditions of 170-195 DEG C.
Beneficial effects of the present invention are as follows：
The transparency of material is further improved by adding nucleator, and adds the opening performance of mulch film；Molecular weight regulator Use can be effectively increased the molecular weight of degradable material, improve the mechanical property of material；The addition of flexible modifying agent improves material The flexibility and filming performance of material；The water resistant of degradative plastic film is improved by adding compound hydrolysis-resisting agent and composite anti-ultraviolet line agent Solve performance and light aging resisting property；
The mulch film of PP Pipe Compound production of the present invention has excellent hydrolytic Resistance, and excellent light aging resisting property, flexility is good, Mulch film Kekelé structure count is good（Save the laying plastic time）, light transmittance height；The PP Pipe Compound being capable of complete biodegradable under composting conditionses Into carbon dioxide and water, soil and environment will not be polluted, material therefor of the present invention is easy to get, the production Technology of selection It is simple ripe, there is practicality and operability, be suitable as peanut mulch film.
Embodiment
Following table is embodiment and comparative example, and the nucleator is two（To methyl benzylidene）Sorbierite；Wherein described PLA Molecular weight 100,000；Described PBAT is polyadipate/butylene terephthalate, molecular weight 40000, polycaprolactone, is averaged Molecular weight is 2000.
The difference of embodiment and comparative example is that comparative example 1 eliminates ultraviolet agent VSU on the basis of embodiment 6, Tinuvin10 dosage is VSU and Tinuvin10 total dosage, and other are same as Example 6；Comparative example 2 is no to use oxidation Magnesium, pentaerythrite dosage are 8 parts, and other are same as Example 6；Comparative example 3 is on the basis of embodiment 6 by pentaerythrite and oxygen The dosage for changing magnesium is exchanged, and other are same as Example 6；Comparative example 4 is without addition polycaprolactone toughener, remaining and implementation Example 6 is identical.
The proportioning of the embodiment of table 1 and comparative example, kg
。
Embodiment and the performance test results of comparative example are shown in Table 2.
The performance test results of the embodiment of table 2 and comparative example
。
The film light transmittance test adds according to GB/T2410-2008 standard testings, film thickness 0.01mm, 10 stackings. Tensile strength is tested according to GB/T1040-2006, and ultraviolet light and aging is according to GB/T16422-2006 standard testings.
It can be seen that from embodiment and comparative example test result, the time or various property that the embodiment of the present invention either preserves Comparative example can be superior to.
The experimental field overview that the embodiment of the present invention, comparative example are used to cover peanut is as follows：
Test site：Positioned at Shandong city Linzi District, Zibo City, the m of soil thickness 1.0 or so, soil types is brown earth, the soil texture For sandy loam, preceding crop is sweet potato, and horizontal average annual output is about 37500 kg/hm2。
Experimental design:Field plot trial, the m of plot area 100 are set2If 11 processing, respectively embodiment 1-6, Comparative example 1-4 and common PE film control group, often processing set 3 repetitions, and minizone takes random district's groups to arrange.
Experimental cultivar is to educate No. 25 when landlord plants large export peanuts kind flower, and planting patterns takes ridging bunch planting, row spacing 85 Cm, hill spacing 17.5cm. duplicate rows program requests, per 2, cave, per the cave of cell 230；Before ridging N-P-K (15-15-15) is applied with reference to site preparation mu The kg of the NPK 40 and kg of organic fertilizer (Chicken dung) 2 000, sowing date are on April 29th, 2016, spray and remove after broadcasting Careless agent and overlay film, it is each to handle the same crop field of time of infertility field management.
Pilot survey counts：Often processing investigates Seedling emergence rate after broadcasting, and each processing harvests by stages, continuous per cell during harvest 10 plants are taken, investigates individual plant branch amount, side shoot length, fruit pin number, total fruit number, full fruit number, decayed fruit number, cell production.
Different Plastic-film disintegration situation tables 3
The different Plastic-film disintegration situation tables of table 3, degradation rate %
。
Before June 12, degradative membrane degradation speed is slower, and this is as common ground film, the increasing that can be played to soil The effect of temperature soil moisture conservation, be advantageous to the development of peanut seedling stage；The embodiment degradative membrane in early June, can reach 10% or so, now spend Life welcomes full-bloom stage, and not only improving fruit pin people's soil and can of peanut makes soil receive more rainwater, improves soil moisture content, 7 The middle of the month to mid-August, degradation rate maintain 30%~35%, are now the shell development phases of peanut, a certain degree of exposed Soil, the ventilated condition of soil can be improved, be advantageous to the development of peanut pod；During harvest, degradation rate reach 80% with On, be advantageous to the harvest that operation and peanut are asked in field.
And comparative example 1-4 degraded is too early, before June 12, rainwater deficiency, is easily influenceed, influenceed by arid To yield.
The examination of different disposal peanut yield is shown in Table 4.
The different disposal peanut yield of table 4 is examined or check
。
Above content describes the general principle and principal character of the present invention, and the present invention is not limited to the above embodiments, Without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, and these changes and improvements are all Fall into scope of the claimed invention.

Claims (8)

1. one cultivates peanut special whole life cycle design PP Pipe Compound, it is characterised in that in terms of parts by weight, is made up of following component： 100 parts of PLA, PBAT 70-90 parts, nucleator 0.5-1.0 parts, compound hydrolysis-resisting agent 5-10 parts, composite anti-ultraviolet line agent 0.5-1.5 parts, molecular weight regulator 3-6 parts, flexible modifying agent 20-30 parts, wherein described flexible modifying agent is low molecule The polycaprolactone of amount, mean molecule quantity 1000-3000.
2. the special whole life cycle design PP Pipe Compound of peanut according to claim 1, it is characterised in that the PLA is poly- breast Acid, molecular weight 8-15 ten thousand.
3. the special whole life cycle design PP Pipe Compound of peanut according to claim 1, it is characterised in that described PBAT is Polyadipate/butylene terephthalate, molecular weight 30000-50000.
4. the special whole life cycle design PP Pipe Compound of peanut according to claim 1, it is characterised in that the nucleator is Two（To methyl benzylidene）Sorbierite.
5. the special whole life cycle design PP Pipe Compound of peanut according to claim 1, it is characterised in that described is compound anti- Hydrolytic reagent is the mixture of pentaerythrite and magnesia, and its part by weight is 1:(2-3).
6. the special whole life cycle design PP Pipe Compound of peanut according to claim 1, it is characterised in that described is compound anti- Ultraviolet agent be 4,4- [[（Toluidine）Methylene] amine] ethyl benzoate and 4.N- (2- ethoxyl phenenyls)-N '-（4- Ethylphenyl）- oxalamide, weight ratio are 1:(0.5-2).
7. the special whole life cycle design PP Pipe Compound of peanut according to claim 1, it is characterised in that described molecular weight Conditioning agent is N, N- dihydroxy (diisopropyl) aniline and the butanediol of Isosorbide-5-Nitrae one mixture, and weight ratio is 1:(0.5-2).
8. the preparation method of the special whole life cycle design PP Pipe Compound of peanut according to claim 1, it is characterised in that successively Comprise the following steps：
（1）PLA, PBAT are put into 80 DEG C of baking ovens and dried 4 hours, is taken out, it is standby；
（2）By PLA, PBAT, nucleator, compound hydrolysis-resisting agent, the agent of composite anti-ultraviolet line, molecular weight regulator and flexible modifying agent The stirring of mixer high speed is added to, mixing time 5-10 minutes, releases material；
（3）By the good material of mixture extruding pelletization in double screw extruder, double screw extruder temperature is 150 ~ 170 DEG C, is fed Material frequency is 20 ~ 25Hz, and engine speed is 100 ~ 150r/min, produces the special whole life cycle design PP Pipe Compound of peanut.
CN201711256560.3A 2017-12-03 2017-12-03 Special whole life cycle design PP Pipe Compound of peanut and preparation method thereof Pending CN107793720A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110117413A (en) * 2019-05-31 2019-08-13 兰州鑫银环橡塑制品有限公司 Plateau vegetable cultivation degradable mulch and its preparation method and application
WO2024074561A1 (en) 2022-10-05 2024-04-11 Basf Se Biodegradable polymer blend and use thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105038151A (en) * 2015-08-04 2015-11-11 上海弘睿化工产品有限公司 Biodegradable film based on irradiation modification and preparing method thereof
CN105086383A (en) * 2015-08-04 2015-11-25 上海弘睿化工产品有限公司 PBAT composite film based on irradiation modification and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105038151A (en) * 2015-08-04 2015-11-11 上海弘睿化工产品有限公司 Biodegradable film based on irradiation modification and preparing method thereof
CN105086383A (en) * 2015-08-04 2015-11-25 上海弘睿化工产品有限公司 PBAT composite film based on irradiation modification and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110117413A (en) * 2019-05-31 2019-08-13 兰州鑫银环橡塑制品有限公司 Plateau vegetable cultivation degradable mulch and its preparation method and application
WO2024074561A1 (en) 2022-10-05 2024-04-11 Basf Se Biodegradable polymer blend and use thereof

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