CN110645765A - Refrigerator back R corner sealing composite die-cutting sponge and preparation process thereof - Google Patents
Refrigerator back R corner sealing composite die-cutting sponge and preparation process thereof Download PDFInfo
- Publication number
- CN110645765A CN110645765A CN201910654637.5A CN201910654637A CN110645765A CN 110645765 A CN110645765 A CN 110645765A CN 201910654637 A CN201910654637 A CN 201910654637A CN 110645765 A CN110645765 A CN 110645765A
- Authority
- CN
- China
- Prior art keywords
- sealing
- material layer
- parts
- sponge
- composite die
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 96
- 238000005520 cutting process Methods 0.000 title claims abstract description 53
- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims description 9
- 239000000463 material Substances 0.000 claims abstract description 36
- 239000003566 sealing material Substances 0.000 claims abstract description 33
- 239000010410 layer Substances 0.000 claims description 60
- 239000003292 glue Substances 0.000 claims description 15
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 12
- 239000003431 cross linking reagent Substances 0.000 claims description 12
- 229920001684 low density polyethylene Polymers 0.000 claims description 12
- 239000004702 low-density polyethylene Substances 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000004595 color masterbatch Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 239000004088 foaming agent Substances 0.000 claims description 6
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 6
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- 229920005862 polyol Polymers 0.000 claims description 6
- 150000003077 polyols Chemical class 0.000 claims description 6
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- 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
- F25D23/08—Parts formed wholly or mainly of plastics materials
- F25D23/082—Strips
- F25D23/087—Sealing strips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0053—Producing sealings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
-
- 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
- C08J2423/08—Copolymers of ethene
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a refrigerator back R corner sealing composite die-cutting sponge. Relates to the technical field of refrigerator sealing. The invention discloses a sealed composite die-cutting sponge, which mainly comprises a notch sealing part, an R corner sealing part, a crack sealing part, a sealing material layer and a strength supporting material layer, wherein the sealing material layer and the strength supporting material layer are mutually bonded to form the sealed composite die-cutting sponge, the R corner sealing part is arranged on one side of the sealed composite die-cutting sponge, the notch sealing parts are arranged on two sides of the R corner sealing part, and the crack sealing part is arranged on the opposite side of the sealed composite die-cutting sponge. According to the invention, the composite die-cutting sponge is provided with the notch sealing part, so that the leakage of bubbles from the notch of the refrigerator case can be effectively prevented, and secondly, the composite die-cutting sponge is simultaneously provided with the R corner sealing part, so that the problem of leakage of bubbles from the R corner of the back of the traditional refrigerator is solved, and finally, the online sealing process of the back corner of the refrigerator is cancelled by arranging the crack sealing part.
Description
Technical Field
The invention belongs to the technical field of refrigerator sealing, and particularly relates to a composite die-cutting sponge for sealing an R corner of a back of a refrigerator and a preparation process thereof.
Background
In the refrigerator manufacturing process, because U shell back R angle shaping structure is complicated, the back R angle leaks and steeps and is used for the difficult problem that waits to be solved in the trade always. In order to solve the problem that the R corner of the back of the refrigerator leaks bubbles, the sponge is plugged into a groove opening at the end of a metal plate in the traditional industry sealing scheme, the case shell is bent to be on line, and then the sponge with the fixed length is adopted for secondary sealing on line, however, the bubbles are still difficult to control. In order to solve the problem of bubble leakage, an ice drying machine is arranged on a general assembly line to clean the bubble leakage for three times.
Disclosure of Invention
The invention aims to provide a refrigerator back R corner sealing composite die-cutting sponge and a preparation process thereof. By applying the composite die-cutting sponge, the problem of bubble leakage at the back R corner of the traditional refrigerator can be effectively solved, the reduction and efficiency improvement are realized, and the cost of the back R corner sealing material is reduced.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a sealed compound die-cutting sponge for an R corner of a back of a refrigerator, which mainly comprises a notch sealing part, an R corner sealing part, a crack sealing part, a sealing material layer and a strength supporting material layer,
the sealing material layer and the strength support material layer are bonded with each other to form a sealing composite die-cutting sponge, an R-angle sealing part is arranged on one side of the sealing composite die-cutting sponge, notch sealing parts are arranged on two sides of the R-angle sealing part, and a crack sealing part is arranged on the other side, opposite to the sealing composite die-cutting sponge.
Further, the notch sealing parts are symmetrically distributed on one side of the sealed composite die-cutting sponge along the R-angle sealing part.
Further, the structural characteristics of the notch sealing part, the structural characteristics of the R-angle sealing part and the structural characteristics of the crack sealing part are changed along with the change of the structural characteristics of the R of the back of the refrigerator shell.
Further, the inclination angle of the R-angle sealing part is in the range of 0.5-3.5 degrees.
Further, the pressure-sensitive adhesive layer for bonding the sealing material layer and the strength support material layer is a pressure-sensitive adhesive layer glue type which adopts any one of water-based acrylic glue, hot-melt pressure-sensitive adhesive, oily acrylic glue system, rubber type glue system and silicon glue system.
Further, the density of the sealing material layer is 15-25kg/m3, and the density of the strength support material layer is 30-50kg/m 3.
Further, the thickness ratio of the sealing material layer to the strength support material layer substrate is as follows: 15 to 45 percent.
Further, the sealing material layer adopts one or more of PU, EPDM or olpadio sponge.
Further, the strength support material layer adopts one or more of XPE, high density PE or EVA sponge.
A preparation process of a refrigerator back R corner sealing composite die-cutting sponge comprises the following steps:
firstly, preparing the chemical components in the sealing element according to the parts by weight, fully stirring and mixing at a high speed, and foaming at a high pressure to prepare a foam body;
step two, cutting the foam into sheets with different thicknesses, and coating the adhesive on a coating machine;
and step three, compounding the sealing material layer and the strength support material layer, adhering the layers through a pressure sensitive adhesive layer, and cutting the compounded material into back R sealing dies with different structures through a cutting die.
Further, the sealing material layer in the third step comprises the following components in parts by weight: high activity polyether polyol: 65-115 parts, TDI: 25-60 parts, DEOA: 0.6-3.2 parts of water: 2.1-5.7 parts, L5333: 0.6 to 1.2 portions of A230, 0.13 to 0.28 portion of A and 0.015 to 0.055 portion of D22.
Further, the strength support material layer in the third step comprises the following components in parts by weight: LDPE (Low-Density polyethylene): 30-75 parts, LLDPE: 20-40 parts of modified foaming agent, 4-25 parts of cross-linking agent, 0.3-1.1 parts of color master batch, 0.8-4.5 parts of auxiliary cross-linking agent: 0.05 to 0.2 portion.
The invention has the following beneficial effects:
1. according to the refrigerator back corner on-line sealing device, the composite die-cutting sponge is provided with the notch sealing part, so that the leakage of bubbles in the notch of the refrigerator case can be effectively prevented, the R corner sealing part is arranged on the composite die-cutting sponge, the problem of leakage of bubbles in the R corner of the back of a traditional refrigerator is solved, and finally, the on-line sealing process of the back corner of the refrigerator is cancelled by arranging the crack sealing part.
2. By applying the composite die-cutting sponge, the problem of leakage of bubbles at the back R corner of the traditional refrigerator can be effectively solved, the labor reduction and efficiency improvement are realized, and the cost of the back R corner sealing material is reduced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic of the structure of FIG. 1A-A of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-notch sealing part, 2-R corner sealing part, 3-crack sealing part, 4-sealing material layer and 5-strength supporting material layer.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Specific example 1:
as shown in figure 1, the invention relates to a sealed compound die-cutting sponge for the back R corner of a refrigerator, which mainly comprises a notch sealing part 1, an R corner sealing part 2, a crack sealing part 3, a sealing material layer 4 and a strength supporting material layer 5,
the sealing material layer 4 and the strength support material layer 5 are mutually bonded to form a sealing composite die-cutting sponge, an R corner sealing part 2 is arranged on one side of the sealing composite die-cutting sponge, notch sealing parts 1 are arranged on two sides of the R corner sealing part 2, and a crack sealing part 3 is arranged on the other opposite side of the sealing composite die-cutting sponge.
Wherein, the notch sealing part 1 is symmetrically distributed on one side of the sealed composite die-cutting sponge along the R corner sealing part 2.
Wherein, the structural characteristics of the notch sealing part 1, the structural characteristics of the R-angle sealing part 2 and the structural characteristics of the crack sealing part 3 are changed along with the change of the R structural characteristics of the back of the refrigerator shell.
Wherein the inclination angle of the R-angle sealing part 2 is in the range of 0.5-3.5 degrees.
The pressure-sensitive adhesive layer for bonding the sealing material layer 4 and the strength support material layer 5 is a pressure-sensitive adhesive layer glue type and adopts any one of water-based acrylic glue, hot-melt pressure-sensitive adhesive, oily acrylic glue system, rubber type glue system and silicon glue system.
Wherein the density of the sealing material layer 4 is 15-25kg/m3, and the density of the strength support material layer 5 is 30-50kg/m 3.
Wherein, the thickness ratio of the sealing material layer 4 to the strength support material layer 5 is as follows: 15 to 45 percent.
Wherein, the sealing material layer 4 adopts one or more of PU, EPDM or olpadio sponge.
Wherein, the strength support material layer 5 adopts one or more of XPE, high density PE or EVA sponge.
Through setting up notch sealing 1 with compound cross cutting sponge, can effectively prevent case shell notch from leaking the bubble, secondly, compound cross cutting sponge has set up R angle sealing 2 simultaneously, has solved traditional refrigerator back R angle and has leaked a bubble difficult problem, and finally, through setting up crack sealing 3, has cancelled the online sealed process in refrigerator back turning. By applying the composite die-cutting sponge, the problem of bubble leakage at the back R corner of the traditional refrigerator can be effectively solved, the reduction and efficiency improvement are realized, and the cost of the back R corner sealing material is reduced.
Specific example 2:
a preparation process of a refrigerator back R corner sealing composite die-cutting sponge comprises the following steps:
firstly, preparing the chemical components in the sealing element according to the parts by weight, fully stirring and mixing at a high speed, and foaming at a high pressure to prepare a foam body;
step two, cutting the foam into sheets with different thicknesses, and coating the adhesive on a coating machine;
and step three, compounding the sealing material layer 4 and the strength support material layer 5, adhering the materials through a pressure sensitive adhesive layer, and cutting the compounded materials into back R sealing dies with different required structures through a cutting die.
Wherein the sealing material layer 4 comprises the following components in parts by weight: high activity polyether polyol: 65-115 parts, TDI: 25-60 parts, DEOA: 0.6-3.2 parts of water: 2.1-5.7 parts, L5333: 0.6 to 1.2 portions of A230, 0.13 to 0.28 portion of A and 0.015 to 0.055 portion of D22.
Wherein, the strength supporting material layer 5 comprises the following components in parts by weight: LDPE (Low-Density polyethylene): 30-75 parts, LLDPE: 20-40 parts of modified foaming agent, 4-25 parts of cross-linking agent, 0.3-1.1 parts of color master batch, 0.8-4.5 parts of auxiliary cross-linking agent: 0.05 to 0.2 portion.
Specific example 3:
the sealing material layer-4 comprises the following components in parts by weight: high activity polyether polyol: 90 parts, TDI: 42 parts, DEOA: 2.2 parts, water: 3.4 parts, L5333: 0.85 portion, 0.18 portion of A230 and 0.025 portion of D22.
The strength support material layer-5 comprises the following components in parts by weight: LDPE (Low-Density polyethylene): 50 parts, LLDPE: 32 parts, 10 parts of modified foaming agent, 0.65 part of cross-linking agent, 2.2 parts of color master batch and auxiliary cross-linking agent: 0.12 part.
Specific example 4:
the sealing material layer-4 comprises the following components in parts by weight: high activity polyether polyol: 115 parts, TDI: 59 parts, DEOA: 3.1 parts, water: 5.6 parts, L5333: 1.1 parts, A230:0.27 parts, D22:0.054 parts.
The strength support material layer-5 comprises the following components in parts by weight: LDPE (Low-Density polyethylene): 74 parts, LLDPE: 39 parts, 24 parts of modified foaming agent, 1.0 part of cross-linking agent, 4.4 parts of color master batch and auxiliary cross-linking agent: 0.2 part.
Specific example 5:
the sealing material layer-4 comprises the following components in parts by weight: high activity polyether polyol: 65 parts, TDI: 25 parts, DEOA: 0.6 part, water: 2.1 parts, L5333: 0.6 part, 0.13 part of A230 and 0.015 part of D22.
The strength support material layer-5 comprises the following components in parts by weight: LDPE (Low-Density polyethylene): 30 parts, LLDPE: 20 parts, 4 parts of modified foaming agent, 0.3 part of cross-linking agent, 0.8 part of color master batch and auxiliary cross-linking agent: 0.05 part.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (12)
1. The utility model provides a sealed compound cross cutting sponge in refrigerator back R angle, sealed compound cross cutting sponge mainly comprises notch sealing (1), R angle sealing (2), crack sealing (3), sealing material layer (4) and intensity supporting material layer (5), its characterized in that:
sealing material layer (4) and intensity supporting material layer (5) bond each other and constitute sealed compound cross cutting sponge, one side of sealed compound cross cutting sponge is equipped with R angle sealing (2) to be equipped with notch sealing (1) in R angle sealing (2) both sides, the relative opposite side of sealed compound cross cutting sponge is equipped with crack sealing (3).
2. The refrigerator back R-corner sealing composite die-cutting sponge as claimed in claim 1, wherein the notch sealing parts (1) are symmetrically distributed on one side of the sealing composite die-cutting sponge along the R-corner sealing part (2).
3. The refrigerator back R corner sealing composite die-cutting sponge as claimed in claim 1, wherein the structural characteristics of the notch sealing part (1), the R corner sealing part (2) and the crack sealing part (3) are changed along with the change of the R structural characteristics of the back of the refrigerator case.
4. The refrigerator back R-angle sealing composite die-cutting sponge as claimed in claim 1, wherein the inclination angle of the R-angle sealing part (2) is in the range of 0.5-3.5 °.
5. The refrigerator back R corner sealing composite die-cutting sponge as claimed in claim 1, wherein the pressure sensitive adhesive layer for bonding the sealing material layer (4) and the strength support material layer (5) is of a pressure sensitive adhesive layer glue type selected from any one of water-based acrylic glue, hot melt pressure sensitive adhesive, oil-based acrylic glue, rubber-based glue and silicone glue.
6. The refrigerator back R corner sealing composite die-cut sponge as claimed in claim 1, wherein the sealing material layer (4) has a density of 15-25kg/m3, and the strength support material layer (5) has a density of 30-50kg/m 3.
7. The refrigerator back R corner sealing composite die-cutting sponge as claimed in claim 1, wherein the thickness ratio of the sealing material layer (4) to the strength support material layer (5) is as follows: 15 to 45 percent.
8. The refrigerator back R corner sealing composite die-cut sponge as claimed in claim 1, wherein the sealing material layer (4) is one or more of PU, EPDM or olpadio sponge.
9. The refrigerator back R corner sealing composite die-cut sponge as claimed in claim 1, wherein the strength support material layer (5) is one or more of XPE, high density PE or EVA sponge.
10. A preparation process of a refrigerator back R corner sealing composite die-cutting sponge comprises the following steps:
firstly, preparing the chemical components in the sealing element according to the parts by weight, fully stirring and mixing at a high speed, and foaming at a high pressure to prepare a foam body;
step two, cutting the foam into sheets with different thicknesses, and coating the adhesive on a coating machine;
and thirdly, compounding the sealing material layer (4) and the strength support material layer (5), bonding through a pressure-sensitive adhesive layer, and cutting the compounded material into back R sealing dies with different required structures through a cutting die.
11. The preparation process of the refrigerator back R corner sealing composite die-cutting sponge as claimed in claim 10, wherein the sealing material layer (4) in the third step comprises the following components in parts by weight: high activity polyether polyol: 65-115 parts, TDI: 25-60 parts, DEOA: 0.6-3.2 parts of water: 2.1-5.7 parts, L5333: 0.6 to 1.2 portions of A230, 0.13 to 0.28 portion of A and 0.015 to 0.055 portion of D22.
12. The preparation process of the refrigerator back R corner sealing composite die-cutting sponge as claimed in claim 10, wherein the strength support material layer (5) in the third step comprises the following components in parts by weight: LDPE (Low-Density polyethylene): 30-75 parts, LLDPE: 20-40 parts of modified foaming agent, 4-25 parts of cross-linking agent, 0.3-1.1 parts of color master batch, 0.8-4.5 parts of auxiliary cross-linking agent: 0.05 to 0.2 portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910654637.5A CN110645765A (en) | 2019-07-19 | 2019-07-19 | Refrigerator back R corner sealing composite die-cutting sponge and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910654637.5A CN110645765A (en) | 2019-07-19 | 2019-07-19 | Refrigerator back R corner sealing composite die-cutting sponge and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110645765A true CN110645765A (en) | 2020-01-03 |
Family
ID=68989956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910654637.5A Pending CN110645765A (en) | 2019-07-19 | 2019-07-19 | Refrigerator back R corner sealing composite die-cutting sponge and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110645765A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111320939A (en) * | 2020-03-31 | 2020-06-23 | 长虹美菱股份有限公司 | Air duct opening sealing adhesive sponge with novel structure and preparation process thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011051396A (en) * | 2009-08-31 | 2011-03-17 | Toyoda Gosei Co Ltd | Opening trim weather strip for automobile |
| CN104990348A (en) * | 2015-07-02 | 2015-10-21 | 合肥华凌股份有限公司 | Corner fastener for corners inside refrigerator shell of refrigerator |
| CN105085928A (en) * | 2015-08-20 | 2015-11-25 | 江苏奥斯佳材料科技有限公司 | Application of foam stabilizer in preparation of polyurethane foam products |
| CN205044048U (en) * | 2015-10-22 | 2016-02-24 | 合肥美菱股份有限公司 | Box top leak protection bubble device of pin -connected panel refrigerator |
| CN105542427A (en) * | 2015-12-24 | 2016-05-04 | 青岛海尔股份有限公司 | Refrigerator sealing part, refrigerator backplate component and molding method and refrigerator |
| CN206113266U (en) * | 2016-09-30 | 2017-04-19 | 芜湖美智空调设备有限公司 | Air -conditioner |
| CN206113257U (en) * | 2016-09-30 | 2017-04-19 | 芜湖美智空调设备有限公司 | Air -conditioner |
| CN206339014U (en) * | 2016-10-25 | 2017-07-18 | 合肥美的电冰箱有限公司 | Refrigerator foaming sealing device and refrigerator |
| CN207214586U (en) * | 2017-09-12 | 2018-04-10 | 合肥华凌股份有限公司 | A kind of refrigerator air duct sealing plate, refrigerator air duct assembly and its refrigerator |
| CN210179988U (en) * | 2019-07-19 | 2020-03-24 | 长虹美菱股份有限公司 | Refrigerator back R corner sealing composite die cutting sponge |
-
2019
- 2019-07-19 CN CN201910654637.5A patent/CN110645765A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011051396A (en) * | 2009-08-31 | 2011-03-17 | Toyoda Gosei Co Ltd | Opening trim weather strip for automobile |
| CN104990348A (en) * | 2015-07-02 | 2015-10-21 | 合肥华凌股份有限公司 | Corner fastener for corners inside refrigerator shell of refrigerator |
| CN105085928A (en) * | 2015-08-20 | 2015-11-25 | 江苏奥斯佳材料科技有限公司 | Application of foam stabilizer in preparation of polyurethane foam products |
| CN205044048U (en) * | 2015-10-22 | 2016-02-24 | 合肥美菱股份有限公司 | Box top leak protection bubble device of pin -connected panel refrigerator |
| CN105542427A (en) * | 2015-12-24 | 2016-05-04 | 青岛海尔股份有限公司 | Refrigerator sealing part, refrigerator backplate component and molding method and refrigerator |
| CN206113266U (en) * | 2016-09-30 | 2017-04-19 | 芜湖美智空调设备有限公司 | Air -conditioner |
| CN206113257U (en) * | 2016-09-30 | 2017-04-19 | 芜湖美智空调设备有限公司 | Air -conditioner |
| CN206339014U (en) * | 2016-10-25 | 2017-07-18 | 合肥美的电冰箱有限公司 | Refrigerator foaming sealing device and refrigerator |
| CN207214586U (en) * | 2017-09-12 | 2018-04-10 | 合肥华凌股份有限公司 | A kind of refrigerator air duct sealing plate, refrigerator air duct assembly and its refrigerator |
| CN210179988U (en) * | 2019-07-19 | 2020-03-24 | 长虹美菱股份有限公司 | Refrigerator back R corner sealing composite die cutting sponge |
Non-Patent Citations (2)
| Title |
|---|
| 林少勋: "运动鞋设计", 31 January 2007, 中国轻工业出版社, pages: 205 - 213 * |
| 王文广: "塑料配方设计", 30 September 1998, 化学工业出版社, pages: 197 - 200 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111320939A (en) * | 2020-03-31 | 2020-06-23 | 长虹美菱股份有限公司 | Air duct opening sealing adhesive sponge with novel structure and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103672303B (en) | Puncture-resistant vacuum insulation board and manufacturing method thereof | |
| CN104845550A (en) | Adhesion agent, preparation method thereof and corrugated board | |
| CN210179988U (en) | Refrigerator back R corner sealing composite die cutting sponge | |
| WO2022151847A1 (en) | Method and system for preparing proton exchange sealing membrane of fuel cell | |
| CN110645765A (en) | Refrigerator back R corner sealing composite die-cutting sponge and preparation process thereof | |
| US20080176015A1 (en) | Paper cup comprising a sheet of polylactic acid laminated paper | |
| CN208791543U (en) | A kind of refrigerator water pipe head sealing element | |
| CN110843305A (en) | Ultraviolet-resistant high-molecular self-adhesive film pre-laid waterproof roll and production method thereof | |
| CN205088176U (en) | PE protection film | |
| CN108676517A (en) | A kind of refrigerator water pipe head sealing element and its preparation process | |
| KR20170000659U (en) | A edge banding strip and edge banding board having hotmelt adhesive | |
| CN210566223U (en) | Difunctional refrigerator-freezer support leak protection bubble sealing member | |
| CN203128479U (en) | Improved structure of double-sided foam adhesive tape | |
| CN209240610U (en) | A kind of radiation cooling type waterproof and heat-insulating film | |
| CN212603881U (en) | Easily tear beautiful line adhesive tape | |
| CN206409781U (en) | A kind of hubbed clip-on-welding flange | |
| CN206610557U (en) | A kind of adhesive sticker paster of adhesive-spill-preventing | |
| CN219060392U (en) | Waterproof chassis design structure of assembled | |
| US20120040144A1 (en) | Corrugating Adhesive and Use Thereof | |
| CN213739260U (en) | Adhesive packaging device capable of achieving single-sided and double-sided adhesive bonding | |
| CN220467871U (en) | Stable double-sided release film assembly | |
| CN115044327B (en) | Universal plate roll coating process adhesive with low cost and suitable for winter use and application thereof | |
| CN220725602U (en) | Seam antiseep device | |
| CN215975619U (en) | 3D full-glue fragrance-floating multilayer structure glue for full-curved glass film | |
| CN214937185U (en) | High-temperature-resistant hot-melt adhesive film |
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 |