CN108055954A - A kind of Biodegradable mulch of multilayered structure - Google Patents

A kind of Biodegradable mulch of multilayered structure Download PDF

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Publication number
CN108055954A
CN108055954A CN201711391573.1A CN201711391573A CN108055954A CN 108055954 A CN108055954 A CN 108055954A CN 201711391573 A CN201711391573 A CN 201711391573A CN 108055954 A CN108055954 A CN 108055954A
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CN
China
Prior art keywords
parts
multilayered structure
polylactic acid
biodegradable mulch
includes following
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
Application number
CN201711391573.1A
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Chinese (zh)
Inventor
缪磊
孙建军
邱丰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Star Fire Plentiful Environmental Packaging Co Ltd
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Suzhou Star Fire Plentiful Environmental Packaging Co Ltd
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Filing date
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Application filed by Suzhou Star Fire Plentiful Environmental Packaging Co Ltd filed Critical Suzhou Star Fire Plentiful Environmental Packaging Co Ltd
Priority to CN201711391573.1A priority Critical patent/CN108055954A/en
Publication of CN108055954A publication Critical patent/CN108055954A/en
Pending legal-status Critical Current

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    • 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
    • C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2303/02—Starch; Degradation products thereof, e.g. dextrin
    • 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
    • C08J2329/00—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 at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
    • C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • 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
    • C08J2333/00—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
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/092—Polycarboxylic acids
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/20—Carboxylic acid amides
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41—Compounds containing sulfur bound to oxygen
    • C08K5/42—Sulfonic acids; Derivatives thereof

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a kind of Biodegradable mulch of multilayered structure, including anti-aging layer, water barrier, insulating layer and water conservation layer, the anti-aging layer includes following component, 00 part of terephthalate copolymer 1,10 ~ 30 parts of polylactic acid, 30 ~ 45 parts of nano-calcium carbonate, 0.2 ~ 0.5 part of erucyl amide, 0.5 ~ 2 part of ultraviolet absorber；The water barrier includes following component, 100 parts of converted starch, 30 ~ 100 parts of polylactic acid, 2 ~ 6 parts of plasticizer；The insulating layer includes following component, 100 parts of polyvinyl alcohol, 10 ~ 30 parts of polylactic acid, 20 ~ 50 parts of polyhydroxyalkanoates, 3 ~ 10 parts of superfine talcum powder, 0.2 ~ 0.5 part of erucyl amide, 0.5 ~ 1 part of citric acid；The water conservation layer includes following component, 100 parts of polyacrylic resin, 20 ~ 40 parts of polylactic acid, 5 ~ 10 parts of sulfosuccinic acid di-isooctyl sodium, 2 ~ 6 parts of polyethylene glycol.The Biodegradable mulch of multilayered structure provided by the invention, biodegradable, heat preservation, moistening effect are good, while uvioresistant, anti-aging property are excellent, and service life can meet the entire growth cycle requirement of crops.

Description

A kind of Biodegradable mulch of multilayered structure
Technical field
The present invention relates to a kind of Biodegradable mulch of multilayered structure, belong to agricultural mulching technical field.
Background technology
Agricultural mulching is the important means of production in modern agriculture, has the function of moisturizing, water conservation, fertilizer conservation, insect prevention suppression grass etc., Improve crop growth environment, improve crop yield and agricultural benefit, therefore application is relatively broad.The farming land of the prior art The raw materials for production generally use polyvinyl resin or Biodegradable resin of film；Polyvinyl resin itself hardly possible in natural environment To decompose, extended residual in the soil, causes soil hardening, influences crop growth environment, brings serious pollution problem, because This vinyon mulch will progressively be eliminated；Biodegradable mulch possesses fully biodegradable performance, but its is anti-aging, anti- The poor-performings such as ultraviolet light, heat resistanceheat resistant, service life are short, it is difficult to meet the requirement of the entire growth cycle of crops.
The content of the invention
Purpose：In order to overcome the deficiencies in the prior art, the present invention provides a kind of biodegradable ground of multilayered structure Film.
Technical solution：In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of Biodegradable mulch of multilayered structure, including anti-aging layer, water barrier, insulating layer and water conservation layer, the water barrier It is interlayer with insulating layer, the both sides up and down in interlayer set anti-aging layer and water conservation layer respectively.
Preferably, the anti-aging layer includes following component, 00 part of terephthalate copolymer 1, polylactic acid 10 ~ 30 Part, 30 ~ 45 parts of nano-calcium carbonate, 0.2 ~ 0.5 part of erucyl amide, 0.5 ~ 2 part of ultraviolet absorber.
Preferably, the ultraviolet absorber for one kind in benzophenone type ultraviolet absorbent UV-0, UV-9, UV-531 or Two kinds.
Preferably, the water barrier includes following component, 100 parts of converted starch, 30 ~ 100 parts of polylactic acid, plasticizer 2 ~ 6 parts.
Preferably, the converted starch selects hydroxypropyl starch, and plasticizer selects polyethylene glycol, acetyl tributyl citrate One kind in tri-n-butyl or two kinds.
Preferably, the insulating layer includes following component, 100 parts of polyvinyl alcohol, 10 ~ 30 parts of polylactic acid, poly (hydroxyalkanoate) 20 ~ 50 parts of ester, 3 ~ 10 parts of superfine talcum powder, 0.2 ~ 0.5 part of erucyl amide, 0.5 ~ 1 part of citric acid.
Preferably, the water conservation layer includes following component, 100 parts of polyacrylic resin, 20 ~ 40 parts of polylactic acid, sulfo group amber 5 ~ 10 parts of amber acid di-isooctyl sodium, 2 ~ 6 parts of polyethylene glycol.
Advantageous effect：The Biodegradable mulch of multilayered structure provided by the invention, biodegradable, heat preservation, moistening effect It is good, while uvioresistant, anti-aging property are excellent, service life can meet the entire growth cycle requirement of crops.
Description of the drawings
Fig. 1 is the embodiment of the present invention 1, the structure diagram of embodiment 2；
Fig. 2 is the structure diagram of the embodiment of the present invention 3.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
A kind of Biodegradable mulch of multilayered structure, including anti-aging layer 1, water barrier 2, insulating layer 3 and water conservation layer 4, institute It is interlayer to state water barrier 2 and insulating layer 3, and the both sides up and down in interlayer set anti-aging layer 1 and water conservation layer 4 respectively, on to Under be followed successively by anti-aging layer, water barrier, insulating layer, water conservation layer or be followed successively by anti-aging layer, insulating layer, water proof from top to bottom Layer, water conservation layer.During using the mulch, the side where water conservation layer contacts directly upper soll layer.
Embodiment 1
As shown in Figure 1, the mulch is followed successively by anti-aging layer 1, water barrier 2, insulating layer 3, water conservation layer 4 from top to bottom, wherein, prevent Aging layer includes following component：00 part of terephthalate copolymer 1,10 parts of polylactic acid, 30 parts of nano-calcium carbonate, erucyl amide 0.2 part, 0.5 part of ultraviolet absorber, ultraviolet absorber UV-0；
Water barrier includes following component：100 parts of hydroxypropyl starch, 30 parts of polylactic acid, 2 parts of polyethylene glycol；
Insulating layer includes following component：100 parts of polyvinyl alcohol, 10 parts of polylactic acid, 20 parts of polyhydroxyalkanoates, superfine talcum powder 3 Part, 0.2 part of erucyl amide, 0.5 part of citric acid；
Water conservation layer includes following component：100 parts of polyacrylic resin, 20 parts of polylactic acid, 5 parts of sulfosuccinic acid di-isooctyl sodium, 2 parts of polyethylene glycol.
Embodiment 2
As shown in Figure 1, the mulch is followed successively by anti-aging layer 1, water barrier 2, insulating layer 3, water conservation layer 4 from top to bottom, wherein, prevent Aging layer includes following component：00 part of terephthalate copolymer 1,20 parts of polylactic acid, 37 parts of nano-calcium carbonate, erucyl amide 0.3 part, 1 part of ultraviolet absorber, ultraviolet absorber UV-9；
Water barrier includes following component：100 parts of hydroxypropyl starch, 75 parts of polylactic acid, 4 parts of acetyl tri-n-butyl citrate；
Insulating layer includes following component：100 parts of polyvinyl alcohol, 20 parts of polylactic acid, 35 parts of polyhydroxyalkanoates, superfine talcum powder 7 Part, 0.3 part of erucyl amide, 0.7 part of citric acid；
Water conservation layer includes following component：100 parts of polyacrylic resin, 30 parts of polylactic acid, 7 parts of sulfosuccinic acid di-isooctyl sodium, 4 parts of polyethylene glycol.
Embodiment 3
As shown in Fig. 2, the mulch is followed successively by anti-aging layer 1, insulating layer 3, water barrier 2, water conservation layer 4 from top to bottom, wherein, prevent Aging layer includes following component：00 part of terephthalate copolymer 1,30 parts of polylactic acid, nano-calcium carbonate Ca45 part, erucyl amide 0.5 part, 2 parts of ultraviolet absorber, ultraviolet absorber UV-531；
Water barrier includes following component：100 parts of hydroxypropyl starch, 100 parts of polylactic acid, 6 parts of polyethylene glycol；
Insulating layer includes following component：100 parts of polyvinyl alcohol, 30 parts of polylactic acid, 50 parts of polyhydroxyalkanoates, superfine talcum powder 10 Part, 0.5 part of erucyl amide, 1 part of citric acid；
Water conservation layer includes following component：100 parts of polyacrylic resin, 40 parts of polylactic acid, 10 parts of sulfosuccinic acid di-isooctyl sodium, 6 parts of polyethylene glycol.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (7)

1. a kind of Biodegradable mulch of multilayered structure, it is characterised in that：Including anti-aging layer, water barrier, insulating layer and water conservation Layer, the water barrier are interlayer with insulating layer, and the both sides up and down in interlayer set anti-aging layer and water conservation layer respectively.
2. the Biodegradable mulch of multilayered structure according to claim 1, it is characterised in that：The anti-aging layer includes such as Lower component, 00 part of terephthalate copolymer 1,10 ~ 30 parts of polylactic acid, 30 ~ 45 parts of nano-calcium carbonate, erucyl amide 0.2 ~ 0.5 part, 0.5 ~ 2 part of ultraviolet absorber.
3. the Biodegradable mulch of multilayered structure according to claim 2, it is characterised in that：The ultraviolet absorber is two One kind in Benzophenone class ultraviolet absorber UV-0, UV-9, UV-531 or two kinds.
4. the Biodegradable mulch of multilayered structure according to claim 1, it is characterised in that：The water barrier includes as follows Component, 100 parts of converted starch, 30 ~ 100 parts of polylactic acid, 2 ~ 6 parts of plasticizer.
5. the Biodegradable mulch of multilayered structure according to claim 4, it is characterised in that：The converted starch choosing With hydroxypropyl starch, plasticizer selection polyethylene glycol, one kind in acetyl tri-n-butyl citrate or two kinds.
6. the Biodegradable mulch of multilayered structure according to claim 1, it is characterised in that：The insulating layer includes as follows Component, 100 parts of polyvinyl alcohol, 10 ~ 30 parts of polylactic acid, 20 ~ 50 parts of polyhydroxyalkanoates, 3 ~ 10 parts of superfine talcum powder, erucic acid acyl 0.2 ~ 0.5 part of amine, 0.5 ~ 1 part of citric acid.
7. the Biodegradable mulch of multilayered structure according to claim 1, it is characterised in that：The water conservation layer includes as follows Component, 100 parts of polyacrylic resin, 20 ~ 40 parts of polylactic acid, 5 ~ 10 parts of sulfosuccinic acid di-isooctyl sodium, polyethylene glycol 2 ~ 6 Part.
CN201711391573.1A 2017-12-21 2017-12-21 A kind of Biodegradable mulch of multilayered structure Pending CN108055954A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109757267A (en) * 2019-03-22 2019-05-17 夏敏月 A kind of optics mylar
CN111418420A (en) * 2020-05-12 2020-07-17 合肥佛斯德新材料科技有限公司 Biodegradable mulching film
CN113400609A (en) * 2021-05-11 2021-09-17 郑荣盛 Preparation process of water-absorbing degradable plastic film

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103587184A (en) * 2013-11-19 2014-02-19 山东企鹅新材料科技有限公司 Controllable full-biodegradable mulching film

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103587184A (en) * 2013-11-19 2014-02-19 山东企鹅新材料科技有限公司 Controllable full-biodegradable mulching film

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109757267A (en) * 2019-03-22 2019-05-17 夏敏月 A kind of optics mylar
CN109757267B (en) * 2019-03-22 2021-01-12 海安浩驰科技有限公司 Optical polyester film
CN111418420A (en) * 2020-05-12 2020-07-17 合肥佛斯德新材料科技有限公司 Biodegradable mulching film
CN113400609A (en) * 2021-05-11 2021-09-17 郑荣盛 Preparation process of water-absorbing degradable plastic film

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Application publication date: 20180522