CN106084526B - A kind of fruits and vegetables insulation material applied to modern Cold Chain Logistics and preparation method thereof - Google Patents

A kind of fruits and vegetables insulation material applied to modern Cold Chain Logistics and preparation method thereof Download PDF

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CN106084526B
CN106084526B CN201610528758.1A CN201610528758A CN106084526B CN 106084526 B CN106084526 B CN 106084526B CN 201610528758 A CN201610528758 A CN 201610528758A CN 106084526 B CN106084526 B CN 106084526B
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weight
parts
fruits
insulation material
cold chain
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CN106084526A (en
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李联卫
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Zibo Vocational Institute
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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions 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 aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/06—Polystyrene
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282—Addition polymers
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2325/00—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 aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
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    • C08J2425/00—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 aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2425/02—Homopolymers or copolymers of hydrocarbons
    • C08J2425/04—Homopolymers or copolymers of styrene
    • C08J2425/06—Polystyrene
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    • 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
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    • C08L2205/00—Polymer mixtures characterised by other features
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  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Storage Of Fruits Or Vegetables (AREA)

Abstract

The invention discloses a kind of fruits and vegetables insulation material applied to modern Cold Chain Logistics and preparation method thereof, including following preparation process：(1) by 15 part by weight modified natural sisal fiber, 25 parts by weight styroflex mixing shreddings, and it is sprayed at using 2 parts by weight of phosphoric acid aluminum water solutions in the composite fibre after shredding, through combing, fibrofelt is made in acupuncture；(2) by fibrofelt, nano-calcium carbonate and nanometer calcium chloride according to 1:1:1 weight is more stand-by as filler than addition；(3) heating of 150 parts by weight polystyrene nanospheres is made into its melting, then adds 7 parts by weight of blowing agent and 7 parts of filler material by weight, be sufficiently mixed, form mixing melt；Extrusion molding, you can acquire the fruits and vegetables insulation material that can be applied to modern Cold Chain Logistics.

Description

A kind of fruits and vegetables insulation material applied to modern Cold Chain Logistics and preparation method thereof
Technical field
The invention belongs to field of heat insulating materials, more particularly to a kind of fruits and vegetables insulation material applied to modern Cold Chain Logistics and Its preparation method.
Background technology
Cold Chain Logistics (Cold Chain Logistics) refer to refrigerating based food and are producing, storing transport, sale, In links before to consumption all the time under defined low temperature environment, to ensure food quality, the one of food loss is reduced Systematic engineering of business.It is set up with the progress of science and technology, the development of Refrigeration Technique, is to be with refrigerating process Basis, the low temperature logisticses process using Refrigeration Technique as means.The fast development of China's Agricultural Cold Chain Logistics industry, country must use up It is early to formulate and implement science, effective macro policy.The requirement of Cold Chain Logistics is higher, corresponding management and the throwing of fund aspect Enter also bigger than common normal temperature logistics.According to relevant media report, the water fruits and vegetables to rot in transit are often only in the whole nation It is about 70,000,000,000 yuan Deng food value, causes huge economic waste.
With the development of science and technology, the preparation on the fruits and vegetables insulation material of modern Cold Chain Logistics has also obtained considerable hair Exhibition, as CN200920097784.9 discloses a kind of filled type honeycomb cardboard heat preservation environment protection sheet material, it is mainly used in making cold chain The green thermal-insulating body used, daily largely consumed in logistic industry, the sheet material of excellent surface waterproof coating can conduct The incubator upgrading products of traditional polystyrene (being commonly called as cystosepiment) board making.Non-degradable material can effectively be reduced to environment Discharge, reduce environmental pollution.Below honeycomb cardboard between plate 1 and top panel 2, adhesion-molded paper forms die cavity 4 every 3, Use degradable insulation filling materials chip (wood, paper or plant) mixed with expansion glue Quick uniform filling of shaping.So can be effective Ground improves honeycomb cardboard insulating power, and improves its load-carrying properties.The researchers such as the Zhang Rentang of Shandong Agricultural University's Foodstuffs Academy Also " application study of the heat insulating material in Modern logistics of fruit ＆ vegetable " has been delivered, different insulation materials are to agaric in have studied 4 The heat insulation effect of dish and broccoli contrasts, and determines relatively good insulation material；Material 1 is that top layer applies silver-colored PV cloth；Nexine nonwoven Cloth 80g/m2；Fill Nomex；Material 2:Top layer 260g/m2PVC；Fill Nomex；Material 3 is that top layer applies silver-colored PV cloth；Nexine without Spin cloth；Fill adhesive tape 240g/m2；Material 4 is top layer 260g/m2PVC；Nexine non-woven fabrics；Fill collodion 240g/m2；Become from temperature From the perspective of change, the effect of material 2 is best, but it has more weak respiratory intensity and freshness；The synthesis of material 4 Performance is best, but the changes of contents of its chlorophyll is poor.
Based on prior art, in order to improve the conevying efficiency of the fruits and vegetables of modern Cold Chain Logistics, for selecting suitable insulation Material is particularly important.
The content of the invention
The purpose of the present invention is in view of the above-mentioned problems, developing a kind of fruits and vegetables insulation material applied to modern Cold Chain Logistics And preparation method thereof.
A kind of preparation method of fruits and vegetables insulation material applied to modern Cold Chain Logistics, including following preparation process：
(1) by 10-20 part by weight modified natural sisal fiber, 15-30 parts by weight styroflex mixing shreddings, and make It is sprayed at 1-3 parts by weight of phosphoric acid aluminum water solutions in the composite fibre after shredding, through combing, fibrofelt is made in acupuncture；
(2) by fibrofelt, nano-calcium carbonate and nanometer calcium chloride according to 1:1:1 weight is more stand-by as filler than addition；
(3) heating of 100-200 parts by weight polystyrene nanospheres is made into its melting, then adds 5-10 parts by weight of blowing agent With 5-10 parts of filler material by weight, it is sufficiently mixed, forms mixing melt；Extrusion molding, you can acquire and can be applied to modern cold chain thing The fruits and vegetables insulation material of stream；
The modified natural sisal fiber, which refers to natural sisal fiber being completely infused in 10wt% sodium carbonate liquors, to be soaked 60min is steeped, drying, obtains modified natural sisal fiber.
Preferably, step (1) is, 15 part by weight modified natural sisal fibers, 25 parts by weight styroflexs are mixed Run pine jointly, and be sprayed at using 2 parts by weight of phosphoric acid aluminum water solutions in the composite fibre after shredding, through combing, fiber is made in acupuncture Felt.
Preferably, step (3) is, the heating of 150 parts by weight polystyrene nanospheres is made into its melting, then adds 7 weights Part foaming agent and 7 parts of filler material by weight are measured, are sufficiently mixed, form mixing melt；Extrusion molding, you can acquire and can be applied to the modern times The fruits and vegetables insulation material of Cold Chain Logistics
Preferably, the size of the polystyrene nanospheres is 50-100 nanometers.
A kind of fruits and vegetables insulation material applied to modern Cold Chain Logistics using prepared by the above method.
Beneficial effects of the present invention：
(1) the fruits and vegetables insulation material structure and composition applied to modern Cold Chain Logistics of the invention is relatively simple, including The polystyrene plastics foaming body and compounded mix that polystyrene nanospheres are formed；Relative to the thermal insulating material of prior art For material, the optimization of structure and composition, it will more reduced so that it prepares cost, performance more optimizes；
For composition, compared to prior art, by selecting polystyrene nanospheres so that polystyrene is other It is more abundant in the melting of raw material and the melting process of itself, there is bigger specific surface area, can be sufficiently by foaming agent It is melted in filler in mixing melt, the insulation material of preparation has more homogeneous heat-insulating property so that fruits and vegetables insulating process Without dead angle, no short slab；
And in the selection course of filler, the compound use of fibrofelt, nano-calcium carbonate and nanometer calcium chloride not only can be with The mechanical performances such as the toughness of enhancing touthness of polyphenylethylene by adding foaming body are used in combination；Meanwhile the introducing of nano-calcium carbonate, in pyroprocess Calcium oxide and carbon dioxide are resolved into, carbon dioxide therein can strengthen the foaming process of polystyrene；And calcium oxide and chlorine Change calcium to keep also functioning to material impact in the aridity of transportation for fruits and vegetables material；And by natural fiber sisal fiber and The fibrofelt that styroflex is prepared, on the one hand there is preferable compatibility with polystyrene nanospheres, be easy to merge Together, in addition, the selection of natural fiber sisal fiber so that the system has more preferable natural compatibility so that vegetables and fruits exist Aerobic anaerobic respiration process in transportation is more unobstructed；It is (volatilizable in order to reduce VOC in fiber process as far as possible Gas) pollution for insulation material, pass through the absorption of aluminum phosphate so that there is more environmentally-friendly property in the technique preparation process.
(2) in terms of preparation technology, the present invention takes fiber mixing shredding in the preparation technology of fibrofelt, removes VOC, then comb, the technique of acupuncture, i.e. environment-protective process is also simple, is especially suitable for mass producing；And in insulation preparation technology On, in order to preferably realize the synergy between raw material, first molten polystyrene nanosphere is employed, then adds foaming agent And filler, last extrusion molding, compared to the technique that is typically prepared of prior art, preparation technology of the invention, by taking more For the extrusion molding sufficiently merged and happened suddenly so that foaming is more abundant, and prepared insulation material is also more suitable for the modern times The fruits and vegetables transport of Cold Chain Logistics.
(3) in general, preparation technology of the invention is simple, is easy to industrialize, and raw material sources are extensive, is especially suitable for applying In production, the fruits and vegetables insulation material applied to modern Cold Chain Logistics produced has the thermal conductivity factor less than 0.027W/mK； Fruits and vegetables are transported in 7 days in the insulation material, and moisture and freshness do not change significantly.
Embodiment
The present invention is described in further detail with reference to specific embodiment, and with reference to data.It should be understood that these embodiments It is of the invention solely for the purpose of illustration, rather than the scope limiting the invention in any way.
Embodiment 1：
A kind of preparation method of fruits and vegetables insulation material applied to modern Cold Chain Logistics, including following preparation process：
(1) by 15 part by weight modified natural sisal fiber, 25 parts by weight styroflex mixing shreddings, and 2 weights are used Amount part aluminium phosphate aqueous solution is sprayed in the composite fibre after shredding, and through combing, fibrofelt is made in acupuncture；
(2) by fibrofelt, nano-calcium carbonate and nanometer calcium chloride according to 1:1:1 weight is more stand-by as filler than addition；
(3) heating of 150 parts by weight polystyrene nanospheres is made into its melting, then adds 7 parts by weight of blowing agent and 7 weight Part filler, is sufficiently mixed, and forms mixing melt；Extrusion molding, you can acquire the fruits and vegetables guarantor that can be applied to modern Cold Chain Logistics Adiabator；
The modified natural sisal fiber, which refers to natural sisal fiber being completely infused in 10wt% sodium carbonate liquors, to be soaked 60min is steeped, drying, obtains modified natural sisal fiber.
The size of the polystyrene nanospheres is 50-100 nanometers.
The fruits and vegetables insulation material applied to modern Cold Chain Logistics produced has 0.025W/mK thermal conductivity factor.Fruit Vegetable is transported in 7 days in the insulation material, and moisture and freshness do not change significantly.
Embodiment 2：
A kind of preparation method of fruits and vegetables insulation material applied to modern Cold Chain Logistics, including following preparation process：
(1) by 10 part by weight modified natural sisal fiber, 20 parts by weight styroflex mixing shreddings, and 1 weight is used Amount part aluminium phosphate aqueous solution is sprayed in the composite fibre after shredding, and through combing, fibrofelt is made in acupuncture；
(2) by fibrofelt, nano-calcium carbonate and nanometer calcium chloride according to 1:1:1 weight is more stand-by as filler than addition；
(3) heating of 100 parts by weight polystyrene nanospheres is made into its melting, then adds 5 parts by weight of blowing agent and 7 weight Part filler, is sufficiently mixed, and forms mixing melt；Extrusion molding, you can acquire the fruits and vegetables guarantor that can be applied to modern Cold Chain Logistics Adiabator；
The modified natural sisal fiber, which refers to natural sisal fiber being completely infused in 10wt% sodium carbonate liquors, to be soaked 60min is steeped, drying, obtains modified natural sisal fiber.
The size of the polystyrene nanospheres is 50-100 nanometers.
The fruits and vegetables insulation material applied to modern Cold Chain Logistics produced has 0.026W/mK thermal conductivity factor.Fruit Vegetable is transported in 7 days in the insulation material, and moisture and freshness do not change significantly.
Embodiment 3：
A kind of preparation method of fruits and vegetables insulation material applied to modern Cold Chain Logistics, including following preparation process：
(1) by 20 part by weight modified natural sisal fiber, 30 parts by weight styroflex mixing shreddings, and 3 weights are used Amount part aluminium phosphate aqueous solution is sprayed in the composite fibre after shredding, and through combing, fibrofelt is made in acupuncture；
(2) by fibrofelt, nano-calcium carbonate and nanometer calcium chloride according to 1:1:1 weight is more stand-by as filler than addition；
(3) heating of 150 parts by weight polystyrene nanospheres is made into its melting, then adds 10 parts by weight of blowing agent and 10 weights Part filler is measured, is sufficiently mixed, forms mixing melt；Extrusion molding, you can acquire the fruits and vegetables that can be applied to modern Cold Chain Logistics Insulation material；
The modified natural sisal fiber, which refers to natural sisal fiber being completely infused in 10wt% sodium carbonate liquors, to be soaked 60min is steeped, drying, obtains modified natural sisal fiber.
The size of the polystyrene nanospheres is 50-100 nanometers.
The fruits and vegetables insulation material applied to modern Cold Chain Logistics produced has 0.0265W/mK thermal conductivity factor.Fruit Vegetable is transported in 7 days in the insulation material, and moisture and freshness do not change significantly.
Embodiment 4：
A kind of preparation method of fruits and vegetables insulation material applied to modern Cold Chain Logistics, including following preparation process：
(1) by 16 part by weight modified natural sisal fiber, 24 parts by weight styroflex mixing shreddings, and 1 weight is used Amount part aluminium phosphate aqueous solution is sprayed in the composite fibre after shredding, and through combing, fibrofelt is made in acupuncture；
(2) by fibrofelt, nano-calcium carbonate and nanometer calcium chloride according to 1:1:1 weight is more stand-by as filler than addition；
(3) heating of 155 parts by weight polystyrene nanospheres is made into its melting, then adds 8 parts by weight of blowing agent and 8 weight Part filler, is sufficiently mixed, and forms mixing melt；Extrusion molding, you can acquire the fruits and vegetables guarantor that can be applied to modern Cold Chain Logistics Adiabator；
The modified natural sisal fiber, which refers to natural sisal fiber being completely infused in 10wt% sodium carbonate liquors, to be soaked 60min is steeped, drying, obtains modified natural sisal fiber.
The size of the polystyrene nanospheres is 50-100 nanometers.
The fruits and vegetables insulation material applied to modern Cold Chain Logistics produced has 0.027W/mK thermal conductivity factor.Fruit Vegetable is transported in 7 days in the insulation material, and moisture and freshness do not change significantly.
Comparative example 1：
A kind of preparation method of fruits and vegetables insulation material applied to modern Cold Chain Logistics, including following preparation process：
(1) by 15 part by weight modified natural sisal fiber, 25 parts by weight styroflex mixing shreddings, and 2 weights are used Amount part aluminium phosphate aqueous solution is sprayed in the composite fibre after shredding, and through combing, fibrofelt is made in acupuncture；
(2) by fibrofelt, nano-calcium carbonate and nanometer calcium chloride according to 1:1:1 weight is more stand-by as filler than addition；
(3) heating of 150 parts by weight polystyrene microspheres is made into its melting, then adds 7 parts by weight of blowing agent and 7 parts by weight Filler, it is sufficiently mixed, forms mixing melt；Extrusion molding, you can acquire the fruits and vegetables insulation that can be applied to modern Cold Chain Logistics Material；
The modified natural sisal fiber, which refers to natural sisal fiber being completely infused in 10wt% sodium carbonate liquors, to be soaked 60min is steeped, drying, obtains modified natural sisal fiber.
The fruits and vegetables insulation material applied to modern Cold Chain Logistics produced has 0.03W/mK thermal conductivity factor.Fruits and vegetables Transported in the insulation material in 5 days, moisture and freshness do not change significantly.
Comparative example 2：
A kind of preparation method of fruits and vegetables insulation material applied to modern Cold Chain Logistics, including following preparation process：
(1) by 15 part by weight modified natural sisal fiber, 25 parts by weight styroflex mixing shreddings, and 2 weights are used Amount part aluminium phosphate aqueous solution is sprayed in the composite fibre after shredding, and through combing, fibrofelt is made in acupuncture；
(2) fibrofelt is added stand-by as filler；
(3) heating of 150 parts by weight polystyrene nanospheres is made into its melting, then adds 7 parts by weight of blowing agent and 7 weight Part filler, is sufficiently mixed, and forms mixing melt；Extrusion molding, you can acquire the fruits and vegetables guarantor that can be applied to modern Cold Chain Logistics Adiabator；
The modified natural sisal fiber, which refers to natural sisal fiber being completely infused in 10wt% sodium carbonate liquors, to be soaked 60min is steeped, drying, obtains modified natural sisal fiber.
The size of the polystyrene nanospheres is 50-100 nanometers.
The fruits and vegetables insulation material applied to modern Cold Chain Logistics produced has 0.033W/mK thermal conductivity factor.Fruit Vegetable is transported in 4 days in the insulation material, and moisture and freshness do not change significantly.
Comparative example 3：
A kind of preparation method of fruits and vegetables insulation material applied to modern Cold Chain Logistics, including following preparation process：
(1) by 25 parts by weight styroflex mixing shreddings, and shredding is sprayed at using 2 parts by weight of phosphoric acid aluminum water solutions In composite fibre afterwards, through combing, fibrofelt is made in acupuncture；
(2) by fibrofelt, nano-calcium carbonate and nanometer calcium chloride according to 1:1:1 weight is more stand-by as filler than addition；
(3) heating of 150 parts by weight polystyrene nanospheres is made into its melting, then adds 7 parts by weight of blowing agent and 7 weight Part filler, is sufficiently mixed, and forms mixing melt；Extrusion molding, you can acquire the fruits and vegetables guarantor that can be applied to modern Cold Chain Logistics Adiabator；
The modified natural sisal fiber, which refers to natural sisal fiber being completely infused in 10wt% sodium carbonate liquors, to be soaked 60min is steeped, drying, obtains modified natural sisal fiber.
The size of the polystyrene nanospheres is 50-100 nanometers.
The fruits and vegetables insulation material applied to modern Cold Chain Logistics produced has 0.035W/mK thermal conductivity factor.Fruit Vegetable is transported in 4 days in the insulation material, and moisture and freshness do not change significantly.
Comparative example 4：
A kind of preparation method of fruits and vegetables insulation material applied to modern Cold Chain Logistics, including following preparation process：
(1) by the natural sisal fiber of 15 parts by weight, 25 parts by weight styroflex mixing shreddings, and 2 parts by weight are used Aluminium phosphate aqueous solution is sprayed in the composite fibre after shredding, and through combing, fibrofelt is made in acupuncture；
(2) by fibrofelt, nano-calcium carbonate and nanometer calcium chloride according to 1:1:1 weight is more stand-by as filler than addition；
(3) heating of 150 parts by weight polystyrene nanospheres is made into its melting, then adds 7 parts by weight of blowing agent and 7 weight Part filler, is sufficiently mixed, and forms mixing melt；Extrusion molding, you can acquire the fruits and vegetables guarantor that can be applied to modern Cold Chain Logistics Adiabator；
The size of the polystyrene nanospheres is 50-100 nanometers.
The fruits and vegetables insulation material applied to modern Cold Chain Logistics produced has 0.035W/mK thermal conductivity factor.Fruit Vegetable is transported in 4 days in the insulation material, and moisture and freshness do not change significantly.
Comparative example 5：
A kind of preparation method of fruits and vegetables insulation material applied to modern Cold Chain Logistics, including following preparation process：
(1) by 15 part by weight modified natural sisal fiber mixing shreddings, and it is sprayed at using 2 parts by weight of phosphoric acid aluminum water solutions In composite fibre after shredding, through combing, fibrofelt is made in acupuncture；
(2) by fibrofelt, nano-calcium carbonate and nanometer calcium chloride according to 1:1:1 weight is more stand-by as filler than addition；
(3) heating of 150 parts by weight polystyrene nanospheres is made into its melting, then adds 7 parts by weight of blowing agent and 7 weight Part filler, is sufficiently mixed, and forms mixing melt；Extrusion molding, you can acquire the fruits and vegetables guarantor that can be applied to modern Cold Chain Logistics Adiabator；
The modified natural sisal fiber, which refers to natural sisal fiber being completely infused in 10wt% sodium carbonate liquors, to be soaked 60min is steeped, drying, obtains modified natural sisal fiber.
The size of the polystyrene nanospheres is 50-100 nanometers.
The fruits and vegetables insulation material applied to modern Cold Chain Logistics produced has 0.030W/mK thermal conductivity factor.Fruit Vegetable is transported in 6 days in the insulation material, and moisture and freshness do not change significantly.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (5)

  1. A kind of 1. preparation method of fruits and vegetables insulation material applied to modern Cold Chain Logistics, it is characterised in that：Prepared including following Step：
    (1) by 10-20 part by weight modified natural sisal fiber, 15-30 parts by weight styroflex mixing shreddings, and 1- is used 3 parts by weight of phosphoric acid aluminum water solutions are sprayed in the composite fibre after shredding, and through combing, fibrofelt is made in acupuncture；
    (2) by fibrofelt, nano-calcium carbonate and nanometer calcium chloride according to 1:1:1 weight is more stand-by as filler than addition；
    (3) heating of 100-200 parts by weight polystyrene nanospheres is made into its melting, then adds 5-10 parts by weight of blowing agent and 5- 10 parts of filler material by weight, are sufficiently mixed, and form mixing melt；Extrusion molding, you can acquire and can be applied to modern Cold Chain Logistics Fruits and vegetables insulation material；
    The modified natural sisal fiber, which refers to natural sisal fiber being completely infused in 10wt% sodium carbonate liquors, to be soaked 60min, drying, obtains modified natural sisal fiber.
  2. 2. a kind of preparation method for the fruits and vegetables insulation material for being applied to modern Cold Chain Logistics as claimed in claim 1, its feature It is：Step (1) is by 15 part by weight modified natural sisal fiber, 25 parts by weight styroflex mixing shreddings, and to use 2 parts by weight of phosphoric acid aluminum water solutions are sprayed in the composite fibre after shredding, and through combing, fibrofelt is made in acupuncture.
  3. 3. a kind of preparation method for the fruits and vegetables insulation material for being applied to modern Cold Chain Logistics as claimed in claim 1, its feature It is：
    Step (3) is that the heating of 150 parts by weight polystyrene nanospheres is made into its melting, then adds 7 parts by weight of blowing agent and 7 Parts of filler material by weight, it is sufficiently mixed, forms mixing melt；Extrusion molding, you can acquire the fruit that can be applied to modern Cold Chain Logistics Vegetable insulation material.
  4. 4. a kind of preparation method of fruits and vegetables insulation material applied to modern Cold Chain Logistics as described in claim 1 or 3, it is special Sign is：The size of the polystyrene nanospheres is 50-100 nanometers.
  5. 5. a kind of fruits and vegetables insulation material applied to modern Cold Chain Logistics, it is characterised in that using such as any one of claim 1-4 The fruits and vegetables insulation material applied to modern Cold Chain Logistics preparation method prepared by.
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CN105034535A (en) * 2015-06-03 2015-11-11 湖北南泽汽车复合材料有限公司 Automobile trim material combined with non-woven fabric and woven fabric
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CN101289570A (en) * 2008-03-18 2008-10-22 中山大学 Epoxy soybean oil resin based rigid cellular plastic and method for preparing same
US20140162047A1 (en) * 2009-06-26 2014-06-12 Owens Corning Intellectual Capital Llc Porous carbon-containing compounds as water carriers and cell size controlling agents for polymeric foams
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