CN113386428A - Resin expansion glue and preparation method thereof - Google Patents
Resin expansion glue and preparation method thereof Download PDFInfo
- Publication number
- CN113386428A CN113386428A CN202110697776.3A CN202110697776A CN113386428A CN 113386428 A CN113386428 A CN 113386428A CN 202110697776 A CN202110697776 A CN 202110697776A CN 113386428 A CN113386428 A CN 113386428A
- Authority
- CN
- China
- Prior art keywords
- expansion glue
- resin
- glue
- resin expansion
- ethylene
- 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
- 239000003292 glue Substances 0.000 title claims abstract description 91
- 229920005989 resin Polymers 0.000 title claims abstract description 55
- 239000011347 resin Substances 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 29
- 229920001971 elastomer Polymers 0.000 claims abstract description 22
- 238000005187 foaming Methods 0.000 claims abstract description 21
- 239000000806 elastomer Substances 0.000 claims abstract description 20
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 20
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 20
- 239000004698 Polyethylene Substances 0.000 claims abstract description 18
- -1 polyethylene Polymers 0.000 claims abstract description 18
- 229920000573 polyethylene Polymers 0.000 claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000006261 foam material Substances 0.000 claims description 18
- 229920001577 copolymer Polymers 0.000 claims description 11
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 6
- 229920001684 low density polyethylene Polymers 0.000 claims description 5
- 239000004702 low-density polyethylene Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 229920001179 medium density polyethylene Polymers 0.000 claims description 3
- 239000004701 medium-density polyethylene Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000002184 metal Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 5
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006228 ethylene acrylate copolymer Polymers 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- 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
- B32B5/18—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 features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- 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
- B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/32—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
-
- 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
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0221—Vinyl resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0242—Acrylic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/025—Polyolefin
-
- 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
- B32B2605/00—Vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Abstract
The invention relates to a resin expansion glue and a preparation method thereof, and the resin expansion glue comprises a plurality of layers of resin expansion glue, wherein the resin expansion glue comprises outer layer expansion glue positioned at two sides and middle layer expansion glue arranged between the two outer layer expansion glue, the outer layer of the resin expansion glue is made of vinyl elastomer foaming material and has good adhesion with a vehicle body sheet metal to ensure the blocking property of a sheet metal cavity, the middle layer of the resin expansion glue is made of polyethylene expansion glue, the rigidity is higher, the installation is convenient, a framework material can be omitted, in addition, the preparation method is realized through a three-layer co-extrusion process and a cutting process, the structure is simple, the production procedures are few, the operation is simple and convenient, the production efficiency is high, and the utilization efficiency of the expansion glue is high.
Description
Technical Field
The invention relates to the technical field of vehicle body expansion glue, in particular to resin expansion glue and a preparation method thereof.
Background
The automobile body inflation is glued the effect and lies in through filling automobile body panel beating cavity, blocks the noise and the vibrations outside the automobile body, ensures the travelling comfort of taking. Currently, resin expansion glue products are generally formed by injection molding or extrusion from a single raw material. In the actual production process, injection moulding leads to producing can produce a large amount of leftover bits in runner and runner, has influenced the utilization ratio that the inflation was glued, and the installation of gluing on the panel beating is glued for the convenience of expanding in addition, still can glue the package through injection moulding process with the inflation on frame material, has so not only increased the automobile body dead weight but also increased the manufacturing cost that the product was glued to the inflation. In summary, it is a problem to be solved in the industry that how to design a resin expansion glue with a simple structure and simplify the production process of the resin expansion glue while ensuring the use effect of the resin expansion glue.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the resin expansion glue and the preparation method thereof, which can reduce the production procedures, accelerate the production efficiency and improve the utilization rate of the resin expansion glue.
The invention is realized by the following technical scheme:
the resin expansion glue is characterized by comprising a plurality of layers of resin expansion glue, wherein the resin expansion glue comprises outer layer expansion glue positioned on two sides and middle layer expansion glue arranged between the two outer layer expansion glue.
According to the technical scheme, preferably, the resin expansion glue is provided with 3 layers, and the resin expansion glue comprises two outer layer expansion glues and one middle layer expansion glue.
According to the above technical solution, preferably, the outer layer expansion glue is a vinyl elastomer foam material, and the middle layer expansion glue is a polyethylene foam material.
According to the technical scheme, preferably, the thickness of the vinyl elastomer foaming material is 0.8-1.5mm, and the volume expansion rate is 500% -2500%.
According to the technical scheme, preferably, the thickness of the polyethylene foam material is 0.8-1.5mm, and the volume expansion rate is 500% -1000%.
According to the above technical solution, preferably, the vinyl elastomer foam material is one or more than two of ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer, ethylene-acrylate copolymer, ethylene-octene copolymer, ethylene-hexene copolymer, and ethylene-propylene copolymer.
According to the above technical solution, preferably, the two outer layer expansion rubbers are vinyl elastomer foam materials of the same material.
According to the above technical solution, preferably, the polyethylene foam material is one or more than two of low density polyethylene, medium density polyethylene and high density polyethylene.
The patent also discloses a preparation method of the resin expansion glue, which is based on a three-layer coextrusion process and is characterized by comprising the following steps: respectively adding the vinyl elastomer foaming material and the polyethylene foaming material into an extruder; extruding through an extrusion die at a certain extrusion temperature; and (5) cooling, and then processing and finishing.
According to the technical scheme, preferably, two extruders are arranged, the extrusion die is a special-shaped die, and the special-shaped die comprises a plurality of layers of die lips.
The invention has the beneficial effects that:
the resin expansion glue is composed of a plurality of layers of resin expansion glue, the outer layer of the resin expansion glue is made of vinyl elastomer foaming materials, the resin expansion glue has good adhesion with a vehicle body metal plate, the blocking property of a metal plate cavity is ensured, the middle layer of the resin expansion glue is made of polyethylene expansion glue, the rigidity is high, the installation is convenient, and framework materials can be omitted. In addition, the preparation method is realized by a three-layer co-extrusion process and a cutting process, and has the advantages of simple structure, less production procedures, simple and convenient operation, high production efficiency and high utilization efficiency of the expansion glue.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the following preferred 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.
The resin expansion glue comprises a plurality of layers of resin expansion glue, wherein the resin expansion glue comprises outer layer expansion glue positioned on two sides and middle layer expansion glue arranged between the two outer layer expansion glue. Preferably, the resin expansion glue is provided with 3 layers, and the resin expansion glue comprises two outer layer expansion glues and one middle layer expansion glue. Wherein, the outer layer expansion glue is the same vinyl elastomer foaming material with lower processing temperature, the thickness of the vinyl elastomer foaming material is 0.8-1.5mm, the volume expansion rate is 500-2500%, the middle layer expansion glue is the polyethylene foaming material with higher processing temperature, the thickness of the polyethylene foaming material is 0.8-1.5mm, and the volume expansion rate is 500-1000%. The resin expansion glue is composed of a plurality of layers of resin expansion glue, the outer layer of the resin expansion glue is made of vinyl elastomer foaming materials, the resin expansion glue has good adhesion with a vehicle body metal plate, the blocking property of a metal plate cavity is ensured, the middle layer of the resin expansion glue is made of polyethylene expansion glue, the rigidity is high, the installation is convenient, and framework materials can be omitted.
According to the above embodiment, the vinyl elastomer foam material is preferably one or more of ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer, ethylene-acrylic ester copolymer, ethylene-octene copolymer, ethylene-hexene copolymer, and ethylene-propylene copolymer, and the two outer layer expansion rubbers are preferably vinyl elastomer foam materials of the same material. The polyethylene foaming material is one or more than two of low-density polyethylene, medium-density polyethylene and high-density polyethylene, and the melt index is 0.5-15g/10 min.
The patent also discloses a preparation method of the resin expansion glue, which is based on a three-layer coextrusion process and is characterized by comprising the following steps: respectively adding the vinyl elastomer foaming material and the polyethylene foaming material into an extruder, wherein the extruder is provided with two extruders; extruding through an extrusion die at a certain extrusion temperature, wherein the extrusion die is a special-shaped neck die which comprises a plurality of layers of die lips; and (5) cooling, and then processing and finishing.
The preparation process comprises the following steps: the three-layer coextrusion process is realized by matching two extruders with a special-shaped opening die with three-layer die lips, wherein one extruder is used for extruding the vinyl elastomer foaming material, and the other extruder is used for extruding the polyethylene foaming material. In this example, the ethylene-vinyl acetate foam material was selected as the ethylene-vinyl acetate foam material, the extrusion temperature was set at 80 ℃, the low-density polyethylene foam material was selected as the polyethylene foam material, the extrusion temperature was set at 110 ℃ or 115 ℃, the ethylene-vinyl acetate foam material was extruded through the upper and lower lips of the profile die, and the low-density polyethylene foam material was extruded through the middle lip of the profile die. And extruding the expansion glue, then entering a cooling and processing section, and cutting the cooled expansion glue into products with required thickness by using a cutter.
The resin expansion glue is composed of a plurality of layers of resin expansion glue, the outer layer of the resin expansion glue is made of vinyl elastomer foaming materials, the resin expansion glue has good adhesion with a vehicle body metal plate, the blocking property of a metal plate cavity is ensured, the middle layer of the resin expansion glue is made of polyethylene expansion glue, the rigidity is high, the installation is convenient, and framework materials can be omitted. In addition, the preparation method is realized by a three-layer co-extrusion process and a cutting process, and has the advantages of simple structure, less production procedures, simple and convenient operation, high production efficiency and high utilization efficiency of the expansion glue.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The resin expansion glue is characterized by comprising a plurality of layers of resin expansion glue, wherein the resin expansion glue comprises outer layer expansion glue positioned on two sides and middle layer expansion glue arranged between the two outer layer expansion glue.
2. The resin expansion glue according to claim 1, wherein the resin expansion glue is provided with 3 layers, and the resin expansion glue comprises two outer layer expansion glues and one middle layer expansion glue.
3. The resin expansion glue of claim 1 or 2, wherein the outer layer expansion glue is a vinyl elastomer foam material, and the middle layer expansion glue is a polyethylene foam material.
4. The resin expansion glue of claim 3, wherein the thickness of the vinyl elastomer foaming material is 0.8-1.5mm, and the volume expansion rate is 500-2500%.
5. The resin expansion glue of claim 3, wherein the polyethylene foam material has a thickness of 0.8-1.5mm and a volume expansion rate of 500-1000%.
6. The resin expansion glue of claim 4, wherein the vinyl elastomer foaming material is one or more of ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer, ethylene-acrylic ester copolymer, ethylene-octene copolymer, ethylene-hexene copolymer, and ethylene-propylene copolymer.
7. The resin expansion glue of claim 6, wherein the two outer layers of expansion glue are made of vinyl elastomer foaming materials with the same material.
8. The resin expansion glue according to claim 5, wherein the polyethylene foam material is one or more of low density polyethylene, medium density polyethylene and high density polyethylene.
9. A preparation method of resin expansion glue is based on a three-layer coextrusion process and is characterized by comprising the following steps: respectively adding the vinyl elastomer foaming material and the polyethylene foaming material into an extruder; extruding through an extrusion die at a certain extrusion temperature; and (5) cooling, and then processing and finishing.
10. The method of claim 9, wherein the two extruders are provided, and the extrusion die is a special die comprising a plurality of lips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110697776.3A CN113386428A (en) | 2021-06-23 | 2021-06-23 | Resin expansion glue and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110697776.3A CN113386428A (en) | 2021-06-23 | 2021-06-23 | Resin expansion glue and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113386428A true CN113386428A (en) | 2021-09-14 |
Family
ID=77623665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110697776.3A Pending CN113386428A (en) | 2021-06-23 | 2021-06-23 | Resin expansion glue and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113386428A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1358620A (en) * | 2000-11-30 | 2002-07-17 | 住友化学工业株式会社 | Polyolefine resin sparkling sheet material and productive method |
| CN101802062A (en) * | 2007-09-19 | 2010-08-11 | 汉高两合股份公司 | Highly damping expandable material and devices |
| JP2011225668A (en) * | 2010-04-16 | 2011-11-10 | Sekisui Chem Co Ltd | Expandable adhesive and expandable adhesive tape |
| CN105492559A (en) * | 2014-03-28 | 2016-04-13 | 积水化学工业株式会社 | Adhesive tape and method for producing adhesive tape |
| CN109624878A (en) * | 2018-12-14 | 2019-04-16 | 天津海程橡塑制品有限公司 | A kind of extrusion interlayer barrier glue, mounting structure and preparation method thereof |
| CN110099978A (en) * | 2016-12-26 | 2019-08-06 | Dic株式会社 | The manufacturing method of splicing tape, article and article |
| JP2021054961A (en) * | 2019-09-30 | 2021-04-08 | 積水化学工業株式会社 | Foam sheet and adhesive tape |
-
2021
- 2021-06-23 CN CN202110697776.3A patent/CN113386428A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1358620A (en) * | 2000-11-30 | 2002-07-17 | 住友化学工业株式会社 | Polyolefine resin sparkling sheet material and productive method |
| CN101802062A (en) * | 2007-09-19 | 2010-08-11 | 汉高两合股份公司 | Highly damping expandable material and devices |
| JP2011225668A (en) * | 2010-04-16 | 2011-11-10 | Sekisui Chem Co Ltd | Expandable adhesive and expandable adhesive tape |
| CN105492559A (en) * | 2014-03-28 | 2016-04-13 | 积水化学工业株式会社 | Adhesive tape and method for producing adhesive tape |
| CN110099978A (en) * | 2016-12-26 | 2019-08-06 | Dic株式会社 | The manufacturing method of splicing tape, article and article |
| CN109624878A (en) * | 2018-12-14 | 2019-04-16 | 天津海程橡塑制品有限公司 | A kind of extrusion interlayer barrier glue, mounting structure and preparation method thereof |
| JP2021054961A (en) * | 2019-09-30 | 2021-04-08 | 積水化学工業株式会社 | Foam sheet and adhesive tape |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210914 |