CN105602097A - Heat-preservation and heat-isolation lightweight box body and preparation method of heat-preservation and heat-isolation lightweight box body - Google Patents

Heat-preservation and heat-isolation lightweight box body and preparation method of heat-preservation and heat-isolation lightweight box body Download PDF

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Publication number
CN105602097A
CN105602097A CN201511009936.1A CN201511009936A CN105602097A CN 105602097 A CN105602097 A CN 105602097A CN 201511009936 A CN201511009936 A CN 201511009936A CN 105602097 A CN105602097 A CN 105602097A
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casing
polypropylene
heat
extruded
extruder
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CN201511009936.1A
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Chinese (zh)
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赖雯颖
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Priority to CN201511009936.1A priority Critical patent/CN105602097A/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
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • B65D81/3813—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/223—Packed additives
    • 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
    • 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
    • C08J9/06—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 by a chemical blowing agent
    • C08J9/08—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 by a chemical blowing agent developing carbon dioxide
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
    • 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
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • 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
    • C08L2203/00—Applications
    • C08L2203/14—Applications used for foams
    • 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
    • C08L2310/00—Masterbatches

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Wrappers (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention provides a box body. The box body is prepared from the following material: an overlaid composite body formed by overlaying a double-layered composite body of B and C for 16 to 3000 layers, wherein the B is a high-melt strength polypropylene (HMSPP) foaming matter; the C is homo-polypropylene or calcium carbonate polypropylene. The box body provided by the invention has the characteristics of heat preservation, heat isolation, no toxin, microwavable property, capability of being baked, lightweight and the like, and green, environment-friendly and multipurpose properties are really realized.

Description

A kind of insulation lightweight casing and preparation method thereof
Technical field
The present invention relates to a kind of casing, relate in particular to a kind of insulation lightweight casing.
Background technology
In fields such as industrial production and logistics transhipment, storages, as Turnover Box, storage bin etc., are indispensableInstrument. Wherein, Turnover Box, also referred to as box for material circulation, is widely used in machinery, automobile, household electrical appliances, light industry, electronics etc.Industry, its turnover is convenient, stacking is neat, is convenient to management. Be applicable to transport, dispensing, storage in Factory LogisticsDeposit, the link such as circulation and process. Turnover Box can coordinate with multiple platform and working position apparatus, for all kinds of warehouses,The multiple occasion such as production scene, today of more and more being paid attention to by vast enterprise in logistics management, Turnover Box has helpedBecome generalization, the integrated management of platform, be produce and circulation enterprise carries out modernization logistics management mustSpare unit.
But in the prior art, these storage bins, Turnover Box etc., have with polypropylene, polyethylene, polychlorostyreneEthene etc. are base material, and these extrudate densities are greater than 0.90g/cm3, when low temperature, easily become fragile, not wear-resisting, easily agingEtc. shortcoming, also exist casing self heavier simultaneously, bearing capacity is bad, fragile, has drawn high transport and has transported intoThis etc. problem. Especially need the kinds of goods of special storage, transhipment for some, as seafood, medication chemistry class is producedProduct, are difficult to keep goods quality in storage, circulation.
Summary of the invention
Casing provided by the invention have insulation, heat insulation, nontoxic, can microwave, can toast, the characteristic such as lightweight,Really realize green, environment-friendly multi-purpose way characteristic.
The object of the invention is to realize by following measures:
A kind of casing, described tank material comprises: the two-layer compound body stack 16-3000 layer of B and C formsSuperimposion body, described B is that height melts body intensity polypropylene (HMSPP) foamed, described C is that homopolymerization is poly-Propylene or calcium carbonate polypropylene. Stack of the present invention is that the physics stratification of B material and C material is bonding, does not send outThe unordered mixing of biochemical reaction and material. The present invention has improved the application performance of material greatly, as mechanical strength,Barrier etc. Preferably, the weight ratio that above-mentioned height melts body intensity polypropylene and C is (80～90): (5～10)。
The blowing agent E that above-mentioned height melts the polypropylene expanded thing of body intensity is sodium acid carbonate. Its preferable amount is Gao RongBody intensity polypropylene: E-sodium acid carbonate=(80～90): (2～5), weight ratio meter.
In order to cover, painted etc., above-mentioned material can comprise HOPP. In HOPP, can addF-color masterbatch, 5wt ‰-5wt% that consumption is total amount. Further, the proportion optimization of each component is for comprising:A-HOPP 5-10 part, height melt body polypropylene 80-90 part, C-homopolymerization PP or calcium carbonate polypropylene 5-10Part, E-sodium acid carbonate 2-5 part, in weight ratio. In calcium carbonate polypropylene, calcium carbonate content is 10-30wt%.
Particularly, above-mentioned material is compound according to the arrangement mode of A-(BC) n-A. Wherein n is BC stratiformThe number of plies of structure; N=16～3000.
The application of above-mentioned casing in the turnover of goods, storage, packaging, is preferably Turnover Box or packing case. BagDraw together collapsible and non-folding.
Preferably, above-mentioned Turnover Box, comprises the sheet material that tank material is made, and is provided with for folding on sheet materialThe folding line of folded casing, forms the casing with opening by folding line, the chimeric reinforcement that arranges in four limits of openend,Two ends, every limit are provided with boss (pile, location).
Above-mentioned packing case, comprises the sheet material that tank material is made, and is provided with for folded box section on sheet materialFolding line, forms sealing casing by folding line, for the packaging of goods with hold.
Another object of the present invention is to provide the preparation method of above-mentioned casing. It is realized by following measures:
The preparation method of above-mentioned casing, extrudes B, C respectively through mixing plasticizing, through being distributed into the two of B and CLayer complex, double-deck complex stack 16-3000 layer forms superimposion body, by itself and other mixing plasticizing extrudateExtrude composite through distributing; Described extrusion temperature is controlled at 160-280 DEG C.
The preparation method of above-mentioned casing, comprises the following steps:
(1) require to add color masterbatch at A according to difference, mix thoroughly, drop in A extruder, height melts body intensity poly-thirdAlkene adds after adding E-sodium acid carbonate to mix in B extruder hopper, and C adds in C extruder hopper, extrudes and addsWork temperature is controlled at 160-280 DEG C;
(2) compound that height melts body intensity polypropylene and E-sodium acid carbonate is extruded through the mixing plasticizing of B extruder, C materialExtrude through the mixing plasticizing of C extruder; Be divided into the double-deck complex of B and C through distributor, then stack is extrudedThe superimposion body of 16-3000 layer; The compound of A is extruded through the mixing plasticizing of A extruder, incites somebody to action by dispenserA extrudes product, superimposion body and again extrudes through distributing, and forms A-(BC) n-A through T connector mouldThe centre of surface similar and different color and performance is the foam composite material of BC layer structure, repressed, leadDraw, slice processing becomes different in width and the sheet material of thickness, goes to lower floor's operation;
(3) by making the sheet material of different size, expansion ratio and color, deliver to thermoforming machine, according to differenceDemand, sends sheet material into baking oven softened by baking, and temperature is controlled at 180-350 DEG C, and baking time is at 5-180s; Pass throughDie-cut, impression, rivet welding become casing, make.
Beneficial effect
1. casing of the present invention has fresh-keeping heat insulation effect, recyclable, can decompose, can microwave, can toast,Insulation, the characteristic such as nontoxic, really realized multipurpose characteristic green, environmental protection, is particularly useful for seafood, doctorThe storage of medicine chemical products, hold, transport.
2. physical property of the present invention, high and low temperature resistance, resistance to microwave property excellence.
3. acid and alkali-resistance of the present invention, corrosion-resistant, lightweight, and be easy to processing, folding forming and durable not rapid wearBad fracture.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further elaborated, but the present invention is not limited to following enforcementExample. Described method is conventional method if no special instructions. Described raw material if no special instructions all can be from openCommercial sources and obtaining.
Embodiment 1
A kind of insulation lightweight casing, the proportioning of each component is as follows: (the homopolymerization of A-HOPPPP) 8 parts; Height melts 85 parts of body intensity polypropylene (Sinopec Yanshan Petrochemical company), C-calcium carbonate poly-third8 parts, alkene (wherein calcium carbonate content is 30wt%), 8 parts of A-homopolymerization PP, 3 parts of E-sodium acid carbonates; In AAdd 10wt ‰ F-color masterbatch. Its preparation method is according to the following steps:
(1) in two parts of A, add respectively color masterbatch, mix thoroughly, drop into respectively in A extruder hopper; Gao Rongti is strongDegree polypropylene adds the foaming of E-sodium acid carbonate, then adds in B extruder hopper; C adds C extruder hopperIn; Extrude processing temperature and be controlled at 220 DEG C;
(2) the high polypropylene expanded thing of body intensity that melts of B is extruded through the mixing plasticizing of B extruder, and C material is mixing through C extruderPlasticizing is extruded; The double-deck complex (BC layer structure) that is divided into B and C composition through distributor, then enters foldedAdd machine stack and extrude the stack layered composite of 16-3000 layer; The compound of A is through the mixing plasticizing of A extruderExtrude, by dispenser, A is extruded to product, superimposion body and again extrude A, BC, BC through distributing ... A(or being described as A-(BC) n-A), composite, form A-(BC) n-A through T connector mouldThe centre of surface similar and different color and performance is the foam composite material of BC layer structure, repressed, leadDraw, slice processing becomes different in width and the sheet material of thickness, goes to lower floor's operation;
(3) by the sheet material of producing, deliver to thermoforming machine, send into baking oven softened by baking, temperature is controlled at 280 DEG C, driesThe roasting time is at 60s; Become casing by die-cut, impression, rivet welding. The casing making can be used for kinds of goods packaging,Transport transhipment and storage. As: Turnover Box, is provided with on the sheet material that its tank material is made for foldingThe folding line of casing, forms the casing with opening by folding line, the chimeric reinforcement that arranges in four limits of openend is everyTwo ends, limit are provided with boss (pile, location); Packing case, is provided with on the sheet material that tank material is madeFor the folding line of folded box section, forms and seal casing by folding line, for the packaging of goods with hold. ObtainCasing product surface is smooth, smooth, without scar, and concavo-convex, crackle, impurity etc., color and luster uniformity.
1. the physical property of this product is as shown in table 1.
Table 1
Oxygen permeability test condition: 23 DEG C of temperature, pressure 760mmHg.
2. high temperature resistant test: 1. every casing 5 group is stacked in the electric oven that is put in constant 160 DEG C to test knotFruit table 2.
Table 2
2. every casing 5 one group is stacked in the electric oven of constant 220 DEG C to table with test results 3.
Table 3
3. after testing, this product meets GB14934-94 and GB-9688-1988, GB18006.1-2009.
4. according to the testing results such as GB5009.12-2010: evaporation residue _ water=7.4mg/L, evaporation residue ethanol=2.7Mg/L, evaporation residue _ acetic acid=8.65mg/L, evaporation residue _ n-hexane=4.7mg/L.
5. casing long-term (more than 12 months) is placed in respectively or alternately 90 DEG C and-50 DEG C of environment, its performance (asPhysical property in table 1) constant. Corrosion-resistant experiment: be soaked in respectively saturated aqua calcis and 20%Hydrogen chloride, 48h, product is unchanged.
6. the testing result of this product is as table 4.
Table 4

Claims (10)

1. a casing, is characterized in that, described tank material comprises: the superimposion body that the two-layer compound body stack 16-3000 layer of B and C forms, and described B is that height melts the polypropylene expanded thing of body intensity, described C is HOPP or calcium carbonate polypropylene.
2. casing as claimed in claim 1, the weight ratio that described height melts body intensity polypropylene and C is (80～90): (5～10).
3. casing as claimed in claim 1 or 2, the blowing agent that described height melts the polypropylene expanded thing of body intensity is sodium acid carbonate.
4. casing as claimed in claim 3, height melts body intensity polypropylene: sodium acid carbonate=(80～90): (2～5), weight ratio meter.
5. the casing as described in as arbitrary in claim 1-4, described material can also comprise HOPP; Described HOPP as two parts, A material, the ratio of each component is: A-HOPP 5-10 part, height melt body polypropylene 80-90 part, C-homopolymerization PP or calcium carbonate 5-10 part, E-sodium acid carbonate 2-5 part, in weight ratio respectively.
6. casing as claimed in claim 5, can add F-color masterbatch in A, and consumption is 5wt ‰-5wt%.
7. the casing as described in claim 5 or 6, according to A-(BC) arrangement mode of n-A is compound, and wherein n is the number of plies of BC layer structure; N=16～3000.
8. the application of the casing as described in claim 1-7 in the turnover of goods, storage, packaging; Be preferably Turnover Box or packing case.
9. the preparation method of the casing as described in as arbitrary in claim-7, B, C are extruded through mixing plasticizing respectively, through being distributed into the double-deck complex of B and C, double-deck complex stack 16-3000 layer forms superimposion body, and itself and other mixing plasticizing extrudate is extruded to composite through distributing; Described extrusion temperature is controlled at 160-280 DEG C.
10. the preparation method of casing as claimed in claim 9, comprises the following steps:
(1) add color masterbatch at A, mix thoroughly, drop in A extruder hopper, height melts after body intensity polypropylene adds E-sodium acid carbonate to mix and adds in B extruder hopper, and C adds in C extruder hopper, extrudes processing temperature and is controlled at 160-280 DEG C;
(2) compound that height melts body intensity polypropylene and E-sodium acid carbonate is extruded through the mixing plasticizing of B extruder, and C material is extruded through the mixing plasticizing of C extruder; Be divided into the double-deck complex of B and C through distributor, then the superimposion body of 16-3000 layer is extruded in stack; The compound of A is extruded through the mixing plasticizing of A extruder, by dispenser by A extrude product, superimposion body again sub-distribution extrude, form A-(BC through T connector mould) foam composite material of n-A, repressed, traction, slice processing become sheet material;
(3) sheet material is sent into baking oven softened by baking, temperature is controlled at 180-350 DEG C, and baking time is at 5-180s; Become casing by die-cut, impression, rivet welding.
CN201511009936.1A 2015-12-29 2015-12-29 Heat-preservation and heat-isolation lightweight box body and preparation method of heat-preservation and heat-isolation lightweight box body Pending CN105602097A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200981360Y (en) * 2006-05-12 2007-11-28 施达玉 Plastic battenboard
CN104589712A (en) * 2006-07-14 2015-05-06 陶氏环球技术有限责任公司 Anisotropic foam-film composite structures

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200981360Y (en) * 2006-05-12 2007-11-28 施达玉 Plastic battenboard
CN104589712A (en) * 2006-07-14 2015-05-06 陶氏环球技术有限责任公司 Anisotropic foam-film composite structures

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杨明: "《塑料添加剂应用手册》", 28 February 2002, 江苏科学技术出版社 *

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Application publication date: 20160525