CN112743939B - Refrigerator bottom plate material - Google Patents

Refrigerator bottom plate material Download PDF

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Publication number
CN112743939B
CN112743939B CN201911035569.0A CN201911035569A CN112743939B CN 112743939 B CN112743939 B CN 112743939B CN 201911035569 A CN201911035569 A CN 201911035569A CN 112743939 B CN112743939 B CN 112743939B
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China
Prior art keywords
carbon fiber
layer
fiber felt
bottom plate
refrigerator
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CN201911035569.0A
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Chinese (zh)
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CN112743939A (en
Inventor
王兵
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Suzhou Baote Packaging Materials Co ltd
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Suzhou Baote Packaging Materials Co ltd
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Priority to CN201911035569.0A priority Critical patent/CN112743939B/en
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    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • 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
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/041—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/065—Details
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • 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
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • 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
    • B32B2509/00—Household appliances
    • B32B2509/10—Refrigerators or refrigerating equipment

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  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a refrigerator bottom plate material, which comprises a carbon fiber felt layer, wherein one surface of the carbon fiber felt layer is provided with a PE film layer, one surface of the PE film layer, which is opposite to the carbon fiber felt layer, is provided with an aluminum foil layer, and the preparation method of the material comprises the following steps: a PE film is coated on the surface of the carbon fiber felt layer by a coating machine to form the PE film layer; carrying out hot ironing treatment on the PE film layer; and compounding the aluminum foil layer and the carbon fiber felt layer together. The refrigerator bottom plate made of the material provided by the invention has the advantage that the flame retardant property of the refrigerator bottom plate is greatly improved.

Description

Refrigerator bottom plate material
Technical Field
The invention relates to the technical field of household appliances, in particular to a material for manufacturing a bottom plate of a refrigerator and a preparation method thereof.
Background
Refrigerator floors are generally divided into two categories: one is a galvanized steel bottom plate, which is mainly used for top-grade refrigerators or large refrigerators, and the common refrigerators do not consider using due to high price. The combined part of the PP hollow plate and the galvanized steel plate is mainly used for middle and low-end refrigerators and small refrigerators, and has lower price than that of an all-steel bottom plate.
With the concern on the safety performance of the refrigerator, a new requirement is provided for the flame retardant property of the refrigerator bottom plate, and the galvanized steel bottom plate can meet the flame retardant requirement but is expensive; the price of the combined bottom plate of the PP hollow plate and the galvanized steel plate is moderate, but the new flame-retardant requirement is difficult to achieve. Therefore, a material for manufacturing a bottom plate of a refrigerator is required to improve the flame retardant property of the bottom plate of the refrigerator.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the invention aims to provide a refrigerator bottom plate material with good flame retardance.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the refrigerator bottom plate material comprises a carbon fiber felt layer, wherein a PE film layer is arranged on one surface of the carbon fiber felt layer, and an aluminum foil layer is arranged on one surface, opposite to the carbon fiber felt layer, of the PE film layer.
S1, a PE film is coated on the surface of the carbon fiber felt layer by a coating machine to form a PE film layer;
s2, performing hot ironing treatment on the PE film layer, wherein the hot ironing temperature is 210-230 ℃;
and S3, finally combining the aluminum foil layer with the carbon fiber felt layer processed in the step S2.
Compared with the prior art, the invention has the beneficial effects that:
1. the refrigerator bottom plate made of the material provided by the invention has the advantages that the weight of the refrigerator bottom plate is lightened, the assembly manufacturability with a refrigerator is better, the production process is simple, and the material cost of the refrigerator bottom plate is reduced;
2. the carbon fiber felt has better flame retardant property, and the flame retardant property of the refrigerator bottom plate made of the material provided by the invention is greatly improved;
3. the carbon fiber felt layer can absorb the vibration in the transportation process, so that the transportation reliability of the refrigerator is improved;
4. the aluminum foil is used as the appearance surface of the refrigerator bottom plate, so that the appearance attractiveness of the refrigerator bottom plate is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a refrigerator bottom plate material provided by an embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the refrigerator bottom plate material includes a carbon fiber felt layer 10, a PE film layer 20 disposed on one side of the carbon fiber felt layer 10, and an aluminum foil layer 30 disposed on one side of the PE film layer 20 opposite to the carbon fiber felt layer 10. The aluminum foil can be a material to bring aesthetic appearance effect, and meanwhile, the aluminum foil is used as a framework of the material to enable the material to be bent or curled into a required shape, and the thickness of the aluminum foil is 0.04 mm-0.1 mm. The carbon fiber felt layer 10 is made of carbon fiber felt by a needle punching method, the fire-proof grade reaches V5 grade, the carbon fiber felt layer 10 enables the material to reach a certain thickness and has better flame retardant property, and the thickness of the carbon fiber felt layer 10 is 0.6 mm-1.0 mm. The PE film layer 20 is used for isolating the aluminum foil from the carbon fiber felt layer 10, and the thickness is preferably 0.02 mm-0.03 mm.
Example one
A refrigerator base plate material comprises an aluminum foil layer 30, a PE film layer 20 and a carbon fiber felt layer 10 which are sequentially arranged and compounded together. Wherein, the thickness of the aluminum foil layer 30 is 0.06mm, the thickness of the carbon fiber felt layer 10 is 0.8mm, and the thickness of the PE film layer 20 is 0.02mm.
Example two
A refrigerator bottom plate material comprises an aluminum foil layer 30, a PE film layer 20 and a carbon fiber felt layer 10 which are sequentially arranged and compounded together. Wherein, the thickness of the aluminum foil layer 30 is 0.08mm, the thickness of the carbon fiber felt layer 10 is 0.9mm, and the thickness of the PE film layer 20 is 0.015mm.
EXAMPLE III
A refrigerator bottom plate material comprises an aluminum foil layer 30, a PE film layer 20 and a carbon fiber felt layer 10 which are sequentially arranged and compounded together. Wherein, the thickness of the aluminum foil layer 30 is 0.05mm, the thickness of the carbon fiber felt layer 10 is 0.7mm, and the thickness of the PE film layer 20 is 0.025mm.
The three examples above can be prepared by the following preparation method, which comprises the following steps:
s1, a PE film is coated on the surface of a carbon fiber felt layer by a coating machine to form a PE film layer;
s2, carrying out hot-stamping treatment on the PE film layer, wherein the hot-stamping temperature is 210-230 ℃;
s3, compounding the aluminum foil layer with the carbon fiber felt layer processed in the step S2;
s4, placing the materials compounded into a whole in the step S3 at the temperature of 13-33 ℃ for standing for 8-12 h.
The blanching temperature in the step S2 is preferably 220 ℃, the temperature can soften the PE film layer but not melt the PE film layer, the PE film is not cracked, the integrity of the PE film is ensured, and the viscosity is generated, so that the aluminum foil and the carbon fiber felt layer are compounded more firmly.
And (4) placing the material compounded into a whole through the step S3 at the temperature of 23 ℃ for 10h, wherein the temperature of the material with the length of 4 meters can be recovered to the normal temperature state within the time of 10h, and the temperature of the material is close to the normal temperature.
Before the aluminum foil is compounded, the aluminum foil is subjected to corona treatment, so that the surface characteristic of the non-absorbent base material, namely the aluminum foil, is changed, and the adhesion capacity of the PE film on the surface of the PE film is improved.
In conclusion, the refrigerator bottom plate is made of the materials, so that the weight of the refrigerator bottom plate is lightened, the refrigerator bottom plate is better in assembly manufacturability with a refrigerator, the production process is simple, and the material cost of the refrigerator bottom plate is reduced; the carbon fiber felt has better flame retardant property, and the flame retardant property of the refrigerator bottom plate made of the material provided by the invention is greatly improved; the carbon fiber felt layer 10 can absorb the vibration in the transportation process, so that the transportation reliability of the refrigerator is improved; the aluminum foil is used as the appearance surface of the refrigerator bottom plate, so that the appearance attractiveness of the refrigerator bottom plate is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. A refrigerator bottom plate material is characterized in that: the composite material comprises a carbon fiber felt layer, wherein a PE film layer is arranged on one surface of the carbon fiber felt layer, and an aluminum foil layer is arranged on one surface, opposite to the carbon fiber felt layer, of the PE film layer;
s1, a PE film is coated on the surface of the carbon fiber felt layer by a coating machine to form a PE film layer;
s2, performing hot ironing treatment on the PE film layer, wherein the hot ironing temperature is 210-230 ℃;
s3, compounding the aluminum foil layer with the carbon fiber felt layer processed in the step S2;
s4, placing the materials compounded into a whole in the step S3 at the temperature of 13-33 ℃ for standing for 8-12 h.
2. A refrigerator base material according to claim 1, characterized in that: the fireproof grade of the carbon fiber felt layer is V5 grade.
3. A refrigerator base material according to claim 1, characterized in that: the carbon fiber felt is made by a needle punching method.
4. A refrigerator base material according to claim 1, characterized in that: the thickness of the aluminum foil is 0.04 mm-0.1 mm.
5. A refrigerator base material according to claim 1, characterized in that: the thickness of the carbon fiber felt layer is 0.6 mm-1.0 mm.
6. A refrigerator base material according to claim 1, characterized in that: the thickness of the PE film layer is 0.02 mm-0.03 mm.
7. A refrigerator base material according to claim 1, characterized in that: the blanching temperature in the step S2 is 220 ℃.
8. A refrigerator base material according to claim 1, characterized in that: and (3) standing the material compounded into a whole through the step S3 for 10 hours at the temperature of 23 ℃.
9. A refrigerator base material according to claim 1, characterized in that: the aluminum foil is corona treated before being compounded.
CN201911035569.0A 2019-10-29 2019-10-29 Refrigerator bottom plate material Active CN112743939B (en)

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CN201911035569.0A CN112743939B (en) 2019-10-29 2019-10-29 Refrigerator bottom plate material

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CN112743939B true CN112743939B (en) 2022-11-08

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2239348Y (en) * 1995-06-27 1996-11-06 张先锋 Aluminium foil compounded plate
CN107848243A (en) * 2015-07-14 2018-03-27 齐佩尔技术有限公司 Insulation product
CN208035546U (en) * 2018-01-22 2018-11-02 淮安清华科技节能材料有限公司 A kind of sound-insulating material with aluminium foil layer
CN211195188U (en) * 2019-10-29 2020-08-07 苏州宝特包装材料有限公司 Novel material for refrigerator bottom plate

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2239348Y (en) * 1995-06-27 1996-11-06 张先锋 Aluminium foil compounded plate
CN107848243A (en) * 2015-07-14 2018-03-27 齐佩尔技术有限公司 Insulation product
CN208035546U (en) * 2018-01-22 2018-11-02 淮安清华科技节能材料有限公司 A kind of sound-insulating material with aluminium foil layer
CN211195188U (en) * 2019-10-29 2020-08-07 苏州宝特包装材料有限公司 Novel material for refrigerator bottom plate

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