CN109181059A - 一种可以增加农作物产量的大棚膜及其制备方法 - Google Patents
一种可以增加农作物产量的大棚膜及其制备方法 Download PDFInfo
- Publication number
- CN109181059A CN109181059A CN201810879447.9A CN201810879447A CN109181059A CN 109181059 A CN109181059 A CN 109181059A CN 201810879447 A CN201810879447 A CN 201810879447A CN 109181059 A CN109181059 A CN 109181059A
- Authority
- CN
- China
- Prior art keywords
- parts
- density polyethylene
- film
- awning film
- crop yield
- 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
Links
Classifications
-
- 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
-
- 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G9/1438—Covering materials therefor; Materials for protective coverings used for soil and plants, e.g. films, canopies, tunnels or cloches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/31—Heat sealable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2410/00—Agriculture-related articles
-
- 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
- C08J2323/06—Polyethene
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
-
- 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
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/02—Polyalkylene oxides
-
- 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
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
- C08J2491/06—Waxes
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K2201/011—Nanostructured additives
-
- 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
- C08K2201/017—Additives being an antistatic agent
-
- 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
- C08K3/36—Silica
-
- 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
- C08K5/02—Halogenated hydrocarbons
-
- 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
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
-
- 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
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
-
- 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
- C08K5/17—Amines; Quaternary ammonium 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/19—Quaternary ammonium 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
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Protection Of Plants (AREA)
- Greenhouses (AREA)
Abstract
本发明涉及膜技术领域,具体涉及一种可以增加农作物产量的大棚膜及其制备方法,本发明采用茂金属聚乙烯、低密度聚乙烯、线性低密度聚乙烯、高密度聚乙烯、乙烯‑醋酸乙烯共聚物等进行组合分别作为大棚膜的内外层,不仅使其具有易加工性而且还优异的透明性、耐候性;醋酸乙烯基团的存在,提高了薄膜的保温性、透明性,可明显提高作物光照强度,充足的阳光使果蔬颜色更鲜艳,提高作物品质和产量。抗静电剂的使用,使得靠近棚膜的空气中的水汽吸附到膜的表面,形成水膜,滑落到棚的前沿或两侧向下流滴,从而防止和消除棚内的雾气,降低了空气相对湿度,并增加了光照强度,提高作物品质和产量。
Description
技术领域
本发明涉及膜技术领域,具体涉及一种可以增加农作物产量的大棚膜及其制备方法。
背景技术
大棚膜的选择是大棚种植技术中的关键,因为大棚膜可以直接影响大棚内的光照、湿度等。大棚的光照情况是由大棚膜的透光率来体现,光照会直接影响蔬菜的生长发育、产量和品质。当大棚内空气相对湿度大,在温度较低的情况下,可造成塑料膜内壁结成大量水滴,吸附大量灰尘而被污染,降低了透光率,使温室内光强度减弱,蔬菜光合作用下降,间接影响了产量和品质,而且塑料膜上结成的水滴呈微酸性并含有少量有毒物质,如果滴落在蔬菜叶片上,可使叶片腐烂,如渗透在土壤中,可使根系的生长受阻。
因此要提高大棚内农作物的产量,需要研发出透光率好,能有效防止大棚内壁结水的大棚膜。
发明内容
本发明的目的是针对现有技术中的不足,提供一种透光率好、能有效防止大棚内壁结水的、可以增加农作物产量的大棚膜及其制备方法。
本发明的目的通过以下技术方案实现:
一种可以增加农作物产量的大棚膜,它包括内层和外层复合而成,
外层由以下重量份的原料组成:
茂金属聚乙烯 20-30份、低密度聚乙烯10-20份、线性低密度聚乙烯 5-10份、助剂1-8份;
内层由以下重量份的原料组成:
茂金属聚乙烯 20-30份、高密度聚乙烯15-20份、乙烯-醋酸乙烯共聚物5-10份、抗静电剂3-6份、其他助剂5-10份。
优选的,所述外层的助剂为2-甲基丙烯酸甲酯、十六烷基三甲基溴化铵、甲苯甲酸间苯二酚酯、亚磷酸酯按照重量比为(2-3): (1-3):(1-2):(2-3)组成的混合物。
优选的,所述内层的抗静电剂为全氟正辛烷、椰油胺聚氧乙烯醚、乙氧基化烷基胺按照重量比为(1-3): (1-3):(2-5)组成的混合物。
优选的,所述内层的其他助剂为甘油单油酸酯、稀土转光粉、氯化石蜡、纳米二氧化钛、纳米碱式碳酸镁铝按照重量比为(1-3):(1-3):(4-6):(1-3):(2-5)组成的混合物。其他助剂的加入在不影响透光性的前提下,提高薄膜的抗菌性和保温性,有利于大棚的病虫害防治和蓄热增温,使农作物提早上市。
优选的,所述低密度聚乙烯为熔融指数在0.4-0.6g/10min、密度在0.920-0.925g/cm3的低密度聚乙烯;所述线性低密度聚乙烯为熔融指数在1.9-2.2g/10min、密度在0.918-0.922g/cm3的线性低密度聚乙烯;所述茂金属聚乙烯为熔融指数在1.0-1.5g/10min、密度在0.910-0.925g/cm3的茂金属聚乙烯,高密度聚乙烯为熔融指数在0.1-0.3g/10min,密度在0.950-0.960 g/cm3的高密度聚乙烯。此范围内的材质不仅加工性能好,而且产品的机械性能好,大大提高了大棚膜的使用寿命,减少资源消耗。
优选的,所述外层、内层的厚度比是(4-6):(2-3)。
一种可以增加农作物产量的大棚膜的制备方法,包括以下步骤:
步骤一:各层物料混合均匀,熔融后从各自的挤出机机头挤出,随后进入吹模机的不同加工流道;
步骤二:吹模机中通入空气将模坯吹涨成膜泡,并向上提升,在提升过程中自然冷却,提升后经上方设置的收口机构转变成多层复合材料;
步骤三:将步骤二得到的多层复合材料经牵引辊组牵引,最后进行收卷,得到一种可以增加农作物产量的大棚膜。
本发明的有益效果:本发明采用茂金属聚乙烯、低密度聚乙烯、线性低密度聚乙烯、高密度聚乙烯、乙烯-醋酸乙烯共聚物等进行组合分别作为大棚膜的内外层,不仅使其具有易加工性而且还优异的透明性、耐候性;醋酸乙烯基团的存在,提高了薄膜的保温性、透明性,可明显提高作物光照强度,充足的阳光使果蔬颜色更鲜艳,提高作物品质和产量。抗静电剂的使用,使得靠近棚膜的空气中的水汽吸附到膜的表面,形成水膜,滑落到棚的前沿或两侧向下流滴,从而防止和消除棚内的雾气,降低了空气相对湿度,并增加了光照强度,提高作物品质和产量。
具体实施方式
结合以下实施例对本发明作进一步描述。
实施例1
一种可以增加农作物产量的大棚膜,它包括内层和外层复合而成,
外层由以下重量份的原料组成:
茂金属聚乙烯 20份、低密度聚乙烯10份、线性低密度聚乙烯 5份、助剂1份;
内层由以下重量份的原料组成:
茂金属聚乙烯 20份、高密度聚乙烯15份、乙烯-醋酸乙烯共聚物5份、抗静电剂3份、其他助剂5份。
所述外层的助剂为2-甲基丙烯酸甲酯、十六烷基三甲基溴化铵、甲苯甲酸间苯二酚酯、亚磷酸酯按照重量比为2: 1:1:2组成的混合物。
所述内层的抗静电剂为全氟正辛烷、椰油胺聚氧乙烯醚、乙氧基化烷基胺按照重量比为1: 1:2组成的混合物。
所述内层的其他助剂为甘油单油酸酯、稀土转光粉、氯化石蜡、纳米二氧化钛、纳米碱式碳酸镁铝按照重量比为1:1:4:1:2组成的混合物。其他助剂的加入在不影响透光性的前提下,提高薄膜的抗菌性和保温性,有利于大棚的病虫害防治和蓄热增温,使农作物提早上市。
所述低密度聚乙烯为熔融指数在0.4g/10min、密度在0.925g/cm3的低密度聚乙烯;所述线性低密度聚乙烯为熔融指数在1.9g/10min、密度在0.918g/ cm3的线性低密度聚乙烯;所述茂金属聚乙烯为熔融指数在1.0g/10min、密度在0.910g/ cm3的茂金属聚乙烯,高密度聚乙烯为熔融指数在0.1g/10min,密度在0.950g/ cm3的高密度聚乙烯。此范围内的材质不仅加工性能好,而且产品的机械性能好,大大提高了大棚膜的使用寿命,减少资源消耗。
所述外层、内层的厚度比是4:2。
一种可以增加农作物产量的大棚膜的制备方法,包括以下步骤:
步骤一:各层物料混合均匀,熔融后从各自的挤出机机头挤出,随后进入吹模机的不同加工流道;
步骤二:吹模机中通入空气将模坯吹涨成膜泡,并向上提升,在提升过程中自然冷却,提升后经上方设置的收口机构转变成多层复合材料;
步骤三:将步骤二得到的多层复合材料经牵引辊组牵引,最后进行收卷,得到一种可以增加农作物产量的大棚膜。
实施例2
一种可以增加农作物产量的大棚膜,它包括内层和外层复合而成,
外层由以下重量份的原料组成:
茂金属聚乙烯25份、低密度聚乙烯15份、线性低密度聚乙烯 8份、助剂7份;
内层由以下重量份的原料组成:
茂金属聚乙烯 25份、高密度聚乙烯18份、乙烯-醋酸乙烯共聚物8份、抗静电剂5份、其他助剂6份。
所述外层的助剂为2-甲基丙烯酸甲酯、十六烷基三甲基溴化铵、甲苯甲酸间苯二酚酯、亚磷酸酯按照重量比为2: 2:2:3组成的混合物。
所述内层的抗静电剂为全氟正辛烷、椰油胺聚氧乙烯醚、乙氧基化烷基胺按照重量比为2: 2:3组成的混合物。
所述内层的其他助剂为甘油单油酸酯、稀土转光粉、氯化石蜡、纳米二氧化钛、纳米碱式碳酸镁铝按照重量比为2:2:5:2:3组成的混合物。其他助剂的加入在不影响透光性的前提下,提高薄膜的抗菌性和保温性,有利于大棚的病虫害防治和蓄热增温,使农作物提早上市。
所述低密度聚乙烯为熔融指数在0.5g/10min、密度在0.923g/cm3的低密度聚乙烯;所述线性低密度聚乙烯为熔融指数在2.2g/10min、密度在0.919g/cm3的线性低密度聚乙烯;所述茂金属聚乙烯为熔融指数在1.3g/10min、密度在0.919g/cm3的茂金属聚乙烯,高密度聚乙烯为熔融指数在0.2g/10min,密度在0.955g/cm3的高密度聚乙烯。此范围内的材质不仅加工性能好,而且产品的机械性能好,大大提高了大棚膜的使用寿命,减少资源消耗。
所述外层、内层的厚度比是5:2。
一种可以增加农作物产量的大棚膜的制备方法,包括以下步骤:
步骤一:各层物料混合均匀,熔融后从各自的挤出机机头挤出,随后进入吹模机的不同加工流道;
步骤二:吹模机中通入空气将模坯吹涨成膜泡,并向上提升,在提升过程中自然冷却,提升后经上方设置的收口机构转变成多层复合材料;
步骤三:将步骤二得到的多层复合材料经牵引辊组牵引,最后进行收卷,得到一种可以增加农作物产量的大棚膜。
实施例3
一种可以增加农作物产量的大棚膜,它包括内层和外层复合而成,
外层由以下重量份的原料组成:
茂金属聚乙烯 30份、低密度聚乙烯20份、线性低密度聚乙烯 10份、助剂8份;
内层由以下重量份的原料组成:
茂金属聚乙烯30份、高密度聚乙烯20份、乙烯-醋酸乙烯共聚物10份、抗静电剂6份、其他助剂10份。
所述外层的助剂为2-甲基丙烯酸甲酯、十六烷基三甲基溴化铵、甲苯甲酸间苯二酚酯、亚磷酸酯按照重量比为3: 3:2:3组成的混合物。
所述内层的抗静电剂为全氟正辛烷、椰油胺聚氧乙烯醚、乙氧基化烷基胺按照重量比为3: 3:5组成的混合物。
所述内层的其他助剂为甘油单油酸酯、稀土转光粉、氯化石蜡、纳米二氧化钛、纳米碱式碳酸镁铝按照重量比为3:3:3:3:5组成的混合物。其他助剂的加入在不影响透光性的前提下,提高薄膜的抗菌性和保温性,有利于大棚的病虫害防治和蓄热增温,使农作物提早上市。
所述低密度聚乙烯为熔融指数在0.6g/10min、密度在0.925g/cm3的低密度聚乙烯;所述线性低密度聚乙烯为熔融指数在2.2g/10min、密度在0.922g/cm3的线性低密度聚乙烯;所述茂金属聚乙烯为熔融指数在1.5g/10min、密度在0.925g/cm3的茂金属聚乙烯,高密度聚乙烯为熔融指数在0.3g/10min,密度在0.960 g/cm3的高密度聚乙烯。此范围内的材质不仅加工性能好,而且产品的机械性能好,大大提高了大棚膜的使用寿命,减少资源消耗。
所述外层、内层的厚度比是6:3。
一种可以增加农作物产量的大棚膜的制备方法,包括以下步骤:
步骤一:各层物料混合均匀,熔融后从各自的挤出机机头挤出,随后进入吹模机的不同加工流道;
步骤二:吹模机中通入空气将模坯吹涨成膜泡,并向上提升,在提升过程中自然冷却,提升后经上方设置的收口机构转变成多层复合材料;
步骤三:将步骤二得到的多层复合材料经牵引辊组牵引,最后进行收卷,得到一种可以增加农作物产量的大棚膜。
实施例4
一种可以增加农作物产量的大棚膜,它包括内层和外层复合而成,
外层由以下重量份的原料组成:
茂金属聚乙烯25份、低密度聚乙烯15份、线性低密度聚乙烯 8份、助剂7份;
内层由以下重量份的原料组成:
茂金属聚乙烯 25份、高密度聚乙烯18份、乙烯-醋酸乙烯共聚物8份、抗静电剂5份、其他助剂6份。
所述外层的助剂为2-甲基丙烯酸甲酯、十六烷基三甲基溴化铵、甲苯甲酸间苯二酚酯、亚磷酸酯按照重量比为2: 2:2:3组成的混合物。
所述内层的抗静电剂为全氟正辛烷、椰油胺聚氧乙烯醚、乙氧基化烷基胺按照重量比为2: 2:3组成的混合物。
所述内层的其他助剂为甘油单油酸酯、稀土转光粉、氯化石蜡、纳米二氧化钛、纳米碱式碳酸镁铝按照重量比为2:2:5:2:3组成的混合物。其他助剂的加入在不影响透光性的前提下,提高薄膜的抗菌性和保温性,有利于大棚的病虫害防治和蓄热增温,使农作物提早上市。
所述低密度聚乙烯为熔融指数在0.5g/10min、密度在0.923g/cm3的低密度聚乙烯;所述线性低密度聚乙烯为熔融指数在2.2g/10min、密度在0.919g/cm3的线性低密度聚乙烯;所述茂金属聚乙烯为熔融指数在1.3g/10min、密度在0.919g/cm3的茂金属聚乙烯,高密度聚乙烯为熔融指数在0.2g/10min,密度在0.955g/cm3的高密度聚乙烯。此范围内的材质不仅加工性能好,而且产品的机械性能好,大大提高了大棚膜的使用寿命,减少资源消耗。
所述外层、内层的厚度比是5:2。
一种可以增加农作物产量的大棚膜的制备方法,包括以下步骤:
步骤一:各层物料混合均匀,熔融后从各自的挤出机机头挤出,随后进入吹模机的不同加工流道;
步骤二:吹模机中通入空气将模坯吹涨成膜泡,并向上提升,在提升过程中自然冷却,提升后经上方设置的收口机构转变成多层复合材料;
步骤三:将步骤二得到的多层复合材料经牵引辊组牵引,在内层涂一层涂敷剂,60摄氏度干燥,得到一种可以增加农作物产量的大棚膜。
涂敷剂由以下重量份的原料组成:胶体SiO2 4份、纳米二氧化钛0.5份、3-脲基丙基甲氧基硅烷1份、十二烷基苯磺酸钠5份、月桂醇聚氧乙烯醚2份、水100份。以上涂敷剂与内层结合良好。
将本发明实施例1至实施例4的大棚膜应用某试验区,在相同条件下,只更换为本发明的大棚膜。
实验品种:西红柿、黄瓜、茄子、杭椒、生菜、芹菜、油桃、葡萄、草莓等。
实验结果:果蔬颜色更鲜艳,蔬菜类增产:10%-20%,水果类增产:5%-10%,4个实施例中尤其以实施例4效果最为显著,但成本稍微高。
最后应当说明的是,以上实施例仅用以说明本发明的技术方案,而非对本发明保护范围的限制,尽管参照较佳实施例对本发明作了详细地说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的实质和范围。
Claims (7)
1.一种可以增加农作物产量的大棚膜,其特征在于:它包括内层和外层复合而成,
外层由以下重量份的原料组成:
茂金属聚乙烯 20-30份、低密度聚乙烯10-20份、线性低密度聚乙烯 5-10份、助剂1-8份;
内层由以下重量份的原料组成:
茂金属聚乙烯 20-30份、高密度聚乙烯15-20份、乙烯-醋酸乙烯共聚物5-10份、抗静电剂3-6份、其他助剂5-10份。
2.根据权利要求1所述的一种可以增加农作物产量的大棚膜,其特征在于:所述外层的助剂为2-甲基丙烯酸甲酯、十六烷基三甲基溴化铵、甲苯甲酸间苯二酚酯、亚磷酸酯按照重量比为(2-3): (1-3):(1-2):(2-3)组成的混合物。
3.根据权利要求1所述的一种可以增加农作物产量的大棚膜,其特征在于:所述内层的抗静电剂为全氟正辛烷、椰油胺聚氧乙烯醚、乙氧基化烷基胺按照重量比为(1-3): (1-3):(2-5)组成的混合物。
4.根据权利要求1所述的一种可以增加农作物产量的大棚膜,其特征在于:所述内层的其他助剂为甘油单油酸酯、稀土转光粉、氯化石蜡、纳米二氧化钛、纳米碱式碳酸镁铝按照重量比为(1-3):(1-3):(4-6):(1-3):(2-5)组成的混合物。
5.根据权利要求1所述的一种可以增加农作物产量的大棚膜,其特征在于:所述低密度聚乙烯为熔融指数在0.4-0.6g/10min、密度在0.920-0.925g/cm3的低密度聚乙烯;所述线性低密度聚乙烯为熔融指数在1.9-2.2g/10min、密度在0.918-0.922g/cm3的线性低密度聚乙烯;所述茂金属聚乙烯为熔融指数在1.0-1.5g/10min、密度在0.910-0.925g/cm3的茂金属聚乙烯,高密度聚乙烯为熔融指数在0.1-0.3g/10min,密度在0.950-0.960 g/cm3的高密度聚乙烯。
6.权利要求1所述的一种可以增加农作物产量的大棚膜,其特征在于:所述外层、内层的厚度比是(4-6):(2-3)。
7.权利要求1-7任一项所述的一种可以增加农作物产量的大棚膜的制备方法,其特征在于:包括以下步骤:
步骤一:各层物料混合均匀,熔融后从各自的挤出机机头挤出,随后进入吹模机的不同加工流道;
步骤二:吹模机中通入空气将模坯吹涨成膜泡,并向上提升,在提升过程中自然冷却,提升后经上方设置的收口机构转变成多层复合材料;
步骤三:将步骤二得到的多层复合材料经牵引辊组牵引,最后进行收卷,得到一种可以增加农作物产量的大棚膜。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810879447.9A CN109181059A (zh) | 2018-08-03 | 2018-08-03 | 一种可以增加农作物产量的大棚膜及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810879447.9A CN109181059A (zh) | 2018-08-03 | 2018-08-03 | 一种可以增加农作物产量的大棚膜及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109181059A true CN109181059A (zh) | 2019-01-11 |
Family
ID=64920091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810879447.9A Pending CN109181059A (zh) | 2018-08-03 | 2018-08-03 | 一种可以增加农作物产量的大棚膜及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109181059A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112544300A (zh) * | 2020-12-09 | 2021-03-26 | 山东东大塑业有限公司 | 一种宽幅高耐候性转光棚膜及其制备方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1122814A (zh) * | 1994-11-07 | 1996-05-22 | 青岛新桑达经济技术咨询有限公司 | 转光薄膜 |
CN1338500A (zh) * | 2000-08-10 | 2002-03-06 | 上海师范大学 | 多核稀土转光粉、其制备方法及其应用 |
CN102369854A (zh) * | 2011-08-25 | 2012-03-14 | 淄博职业学院 | 高性能pe/eva复合多功能棚膜 |
CN103264563A (zh) * | 2013-06-04 | 2013-08-28 | 河南省银丰塑料有限公司 | 三层共挤eva长寿消雾环保型多功能大棚膜 |
CN104943299A (zh) * | 2014-03-25 | 2015-09-30 | 天水天宝塑业有限责任公司 | 一种粉色光转换多功能日光温室大棚膜 |
CN107955249A (zh) * | 2017-11-27 | 2018-04-24 | 曹结宾 | 一种高转光率的转光膜及其制备方法 |
-
2018
- 2018-08-03 CN CN201810879447.9A patent/CN109181059A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1122814A (zh) * | 1994-11-07 | 1996-05-22 | 青岛新桑达经济技术咨询有限公司 | 转光薄膜 |
CN1338500A (zh) * | 2000-08-10 | 2002-03-06 | 上海师范大学 | 多核稀土转光粉、其制备方法及其应用 |
CN102369854A (zh) * | 2011-08-25 | 2012-03-14 | 淄博职业学院 | 高性能pe/eva复合多功能棚膜 |
CN103264563A (zh) * | 2013-06-04 | 2013-08-28 | 河南省银丰塑料有限公司 | 三层共挤eva长寿消雾环保型多功能大棚膜 |
CN104943299A (zh) * | 2014-03-25 | 2015-09-30 | 天水天宝塑业有限责任公司 | 一种粉色光转换多功能日光温室大棚膜 |
CN107955249A (zh) * | 2017-11-27 | 2018-04-24 | 曹结宾 | 一种高转光率的转光膜及其制备方法 |
Non-Patent Citations (3)
Title |
---|
丁浩: "《塑料工业实用手册 上册》", 31 May 1995, 化学工业出版社 * |
张玉龙 等: "《塑料吹塑制品配方设计与加工实例》", 31 January 2006, 国防工业出版社 * |
杨春柏: "《塑料成型基础》", 31 July 1999, 中国轻工业出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112544300A (zh) * | 2020-12-09 | 2021-03-26 | 山东东大塑业有限公司 | 一种宽幅高耐候性转光棚膜及其制备方法 |
CN112544300B (zh) * | 2020-12-09 | 2022-05-17 | 山东东大塑业有限公司 | 一种宽幅高耐候性转光棚膜及其制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101003720A (zh) | 聚乙烯三层复合多功能防雾棚膜 | |
CN103978756B (zh) | 内添加型防尘温室膜及其制备方法 | |
RU2561259C2 (ru) | Сельскохозяйственная фумигация с применением многослойной пленки, включающей пвдх барьер для паров | |
CN108099326A (zh) | 三层共挤高保温转光po膜 | |
CN103042782B (zh) | 五层共挤高保温消雾无滴农用大棚塑料薄膜 | |
CN102369854B (zh) | Pe/eva复合多功能棚膜 | |
CN109181059A (zh) | 一种可以增加农作物产量的大棚膜及其制备方法 | |
CN104943299B (zh) | 一种粉色光转换多功能日光温室大棚膜 | |
CN108925298A (zh) | 一种可以缩短农作物生长周期的大棚膜及其制备方法 | |
US20150118423A1 (en) | Condensation control film | |
CN109220420B (zh) | 一种高强度三层双色农用地膜及其制备方法 | |
KR20140023317A (ko) | 분리 가능한 층을 가지는 팽창된 온실 커버용 다층 플라스틱 필름 | |
CN104017268B (zh) | 旱地农作物耐老化长寿地膜 | |
CN104004266A (zh) | 马铃薯黑色专用除草地膜 | |
US11485120B2 (en) | Packaging method for fruits and vegetables | |
CN109673334A (zh) | 一种保温耐老化消雾农用棚膜及其制备方法 | |
CN102744943A (zh) | 高性能聚烯烃涂覆农膜的制造方法 | |
CN104669744B (zh) | 一种外涂覆型高性能po膜及其制备方法 | |
CN209683096U (zh) | 农业用聚乙烯防尘型日光膜 | |
CN103738021B (zh) | 高韧性高光质改性po农用大棚膜及其制备方法 | |
CN202222213U (zh) | 农用高保温消雾膜 | |
CN106982683A (zh) | 一种旱作农业区生物全降解材料及其制备方法 | |
CN201541531U (zh) | 一种真空镀铝农用地膜 | |
US20210337744A1 (en) | Polymeric film | |
CN111823532A (zh) | 一种农用多功能水晶po转光大棚膜及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190111 |