CN111218026A - High-efficient special box customization foaming - Google Patents
High-efficient special box customization foaming Download PDFInfo
- Publication number
- CN111218026A CN111218026A CN202010035373.8A CN202010035373A CN111218026A CN 111218026 A CN111218026 A CN 111218026A CN 202010035373 A CN202010035373 A CN 202010035373A CN 111218026 A CN111218026 A CN 111218026A
- Authority
- CN
- China
- Prior art keywords
- foaming
- layer
- protective layer
- special
- density
- 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
Images
Classifications
-
- 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
- C08J9/36—After-treatment
- C08J9/365—Coating
-
- 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
- C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
-
- 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
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
Abstract
The invention discloses a high-efficiency special box body customized foaming, which belongs to the technical field of plastic foaming, and comprises a middle high-foaming layer and high-density foaming layers positioned on two sides of the middle high-foaming layer, wherein a special protective layer is arranged on the side wall of one high-density foaming layer, which deviates from the middle high-foaming layer; the middle high-foaming layer, the high-density foaming layer and the special protective layer are formed through the steps of bonding, compounding and compacting. The special protective layer is an anti-corrosion layer, the raw materials of the special protective layer comprise epoxy resin and a curing agent, and can be set in a targeted manner according to the use requirement through the arrangement of the special protective layer, so that the processing effect of a processing factory is facilitated, and the purpose can be realized by replacing the special protective layer for different use objects; the processing cost is reduced, and the processing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of plastic foaming, in particular to high-efficiency special box body customized foaming.
Background
The technical source of plastic foaming is long. The foamed bakelite in the early 20 s is prepared by a method similar to that for preparing foamed rubber; rigid polyurethane foam and polystyrene foam appeared in the 30 s; polyethylene, polyvinyl chloride, epoxy resin, phenolic foam were available in the 40 s; expandable polystyrene foam and flexible polyurethane foam were available in the 50 s. Essentially all plastics, both thermoplastic and thermoset, can be foamed into foams. The industrial preparation method comprises the following steps: extrusion foaming, injection molding foaming, calendar foaming, powder foaming, spray foaming, and the like. Among them, injection molding foaming is one of the most important molding methods, and the injection molding foaming is described here with emphasis.
The foaming method of plastics can be classified into three major methods, physical foaming, chemical foaming and mechanical foaming, according to the foaming agent used. The blowing agent is first briefly described here.
The foaming agent can be simply and roughly divided into a physical foaming agent and a chemical foaming agent. The requirements for physical blowing agents are: non-toxic, odorless, non-corrosive, non-combustible, good thermal stability, no chemical reaction in gaseous state, and diffusion speed in plastic melt in gaseous state lower than that in air. Common physical foaming agents include air, nitrogen, carbon dioxide, hydrocarbons, freon, and the like; the chemical foaming agent is a substance which can release gas such as nitrogen, carbon dioxide and the like by heat, and the requirements of the chemical foaming agent are as follows: the gas released by the decomposition of the foaming agent is nontoxic, non-corrosive, non-combustible, and has no influence on the molding, physical and chemical properties of the product, the speed of the released gas can be controlled, and the foaming agent has good dispersibility in plastics. Inorganic blowing agents such as sodium bicarbonate and ammonium carbonate, and organic blowing agents such as azodicarbonamide and azobisisobutyronitrile are widely used.
The existing plastic foaming box body is generally used for storing articles, different types of articles need to be stored separately, and the articles have requirements on the material of the foaming box body, so that the processing mode needs to be reset for different articles, the operation is difficult for a processing factory, and the cost is high.
Disclosure of Invention
The invention aims to provide high-efficiency special box body customized foaming to solve the problems that the articles proposed in the background technology have requirements on materials of a foaming box body, and processing modes need to be reset for different articles, so that operation is difficult and cost is high for a processing plant.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency special box body customized foam comprises a middle high-foaming layer and high-density foaming layers positioned on two sides of the middle high-foaming layer, wherein a special protective layer is arranged on the side wall of one high-density foaming layer, which is far away from the middle high-foaming layer;
the middle high-foaming layer, the high-density foaming layer and the special protective layer are formed through the steps of bonding, compounding and compacting.
Preferably, both sides wall on middle high foaming layer all is provided with the sand grip, be provided with the recess with sand grip looks adaptation on the lateral wall on high density foaming layer orientation middle high foaming layer.
Preferably, the special protective layer is an anti-corrosion layer, the raw materials of the special protective layer comprise epoxy resin and a curing agent, and the epoxy resin and the curing agent are uniformly mixed and uniformly coated on the side wall of the high-density foaming layer.
Preferably, the curing agent is an aliphatic amine, an aromatic amine, or a polyamide resin.
Preferably, the special protective layer is a high temperature resistant layer, and the high temperature resistant layer is an organic high temperature resistant layer or an inorganic high temperature resistant layer.
Preferably, the special protective layer is a high-toughness protective layer, and the high-toughness protective layer is a rubber high-toughness protective layer.
Compared with the prior art, the invention has the beneficial effects that:
1) through the arrangement of the special protective layer, the specific setting can be carried out according to the use requirement, so that the processing function of a processing factory is facilitated, and the purpose can be achieved by replacing the special protective layer for different use objects;
2) the processing cost is reduced, and the processing efficiency is improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1 middle high foaming layer, 2 high density foaming layer, 3 special protective 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 "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the present invention provides a technical solution: a high-efficiency special box body customized foam comprises a middle high-foaming layer 1 and high-density foaming layers 2 positioned on two sides of the middle high-foaming layer 1, wherein a special protective layer 3 is arranged on the side wall of one high-density foaming layer 2 deviating from the middle high-foaming layer 1;
the middle high-foaming layer 1, the high-density foaming layer 2 and the special protective layer 3 are formed through the steps of bonding, compounding and compacting.
Two sets of injection molding devices: a set for injection molding the core of the article and a set for injection molding the skin of the article. In injection molding, the skin material is injected first, and then the core material mixed with the foaming agent is injected through the same gate. Because the core material flows in a laminar state, the core material is ensured to be uniformly coated inside the skin layer, and the cavity is completely filled. When the cavity is filled with the melt, a small amount of the melt without the foaming agent is injected to seal the sprue. And after the product is taken out, removing the pouring gate to obtain the light product with the unfoamed compact surface layer and the foamed core part.
The raw materials (namely the middle high-foaming layer 1 and the high-density foaming layer 2) formed by foaming are bonded by adhesives, the raw materials formed by foaming are bonded, then compounded and compacted, and then redundant leftover materials are cut.
Both sides wall of middle high foaming layer 1 all is provided with the sand grip, and high density foaming layer 2 is provided with the recess with sand grip looks adaptation on the lateral wall of middle high foaming layer 1, through the mating reaction of sand grip and recess for the bonding area increases between middle high foaming layer 1, the high density foaming layer 2, and the bonding steadiness is better.
The first embodiment is as follows:
the special protective layer 3 is an anti-corrosion layer, the raw materials of the special protective layer 3 comprise epoxy resin and a curing agent, the epoxy resin and the curing agent are uniformly mixed and coated on the side wall of the high-density foaming layer 2, the curing agent is aliphatic amine, aromatic amine or polyamide resin, when the high-efficiency special box body is customized and foamed into a box body, and perishable objects are stored in the box body, a good anti-corrosion effect can be achieved through the arrangement of the anti-corrosion layer, the anti-corrosion layer can play a role in isolating the perishable objects in the interior, and the anti-corrosion layer can play a role in protecting the middle high-density foaming layer 1 and the high-density foaming layer 2.
Example two:
the special protective layer 3 is a high temperature resistant layer, the high temperature resistant layer is an organic high temperature resistant layer or an inorganic high temperature resistant layer, and after the box body is manufactured by customizing and foaming the high-efficiency special box body, when inflammable and explosive objects are stored in the box body, the high temperature resistant layer can play a role of high temperature resistance, and the effect of preventing the internal objects from being heated and combusted is achieved.
Example three:
the special protective layer 3 is a high-toughness protective layer, the high-toughness protective layer is a rubber high-toughness protective layer, and after the box body is manufactured by customizing and foaming the high-efficiency special box body, the rubber high-toughness protective layer is arranged, so that the box body is good in buffering effect, and can be quickly restored after elastic deformation.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high-efficient special box customization foaming which characterized in that: the foaming agent comprises a middle high-foaming layer (1) and high-density foaming layers (2) positioned at two sides of the middle high-foaming layer (1), wherein a special protective layer (3) is arranged on the side wall of one high-density foaming layer (2) deviating from the middle high-foaming layer (1);
the middle high-foaming layer (1), the high-density foaming layer (2) and the special protective layer (3) are formed through the steps of bonding, compounding and compacting.
2. The efficient special box customized foaming of claim 1, wherein: the both sides wall of middle high foaming layer (1) all is provided with the sand grip, be provided with the recess with sand grip looks adaptation on the lateral wall of high density foaming layer (2) orientation middle high foaming layer (1).
3. The efficient special box customized foaming of claim 1, wherein: the special protective layer (3) is an anti-corrosion layer, the raw materials of the special protective layer (3) comprise epoxy resin and a curing agent, and the epoxy resin and the curing agent are uniformly mixed and uniformly coated on the side wall of the high-density foaming layer (2).
4. The efficient special box customized foaming of claim 3, wherein: the curing agent is aliphatic amine, aromatic amine or polyamide resin.
5. The efficient special box customized foaming of claim 1, wherein: the special protective layer (3) is a high-temperature resistant layer, and the high-temperature resistant layer is an organic high-temperature resistant layer or an inorganic high-temperature resistant layer.
6. The efficient special box customized foaming of claim 1, wherein: the special protective layer (3) is a high-toughness protective layer, and the high-toughness protective layer is a rubber high-toughness protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010035373.8A CN111218026A (en) | 2020-01-14 | 2020-01-14 | High-efficient special box customization foaming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010035373.8A CN111218026A (en) | 2020-01-14 | 2020-01-14 | High-efficient special box customization foaming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111218026A true CN111218026A (en) | 2020-06-02 |
Family
ID=70808363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010035373.8A Pending CN111218026A (en) | 2020-01-14 | 2020-01-14 | High-efficient special box customization foaming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111218026A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060096205A1 (en) * | 2004-11-09 | 2006-05-11 | Griffin Christopher J | Roofing cover board, roofing panel composite, and method |
| CN102218872A (en) * | 2011-05-23 | 2011-10-19 | 天津大学 | Method for preparing regenerated fireproofing plate from waste polystyrene-acrylonitrile foamed plastics |
| CN202466863U (en) * | 2012-02-24 | 2012-10-03 | 陈伟 | High-temperature-resistant phenolic foam composite thermal-insulating body |
| CN204199674U (en) * | 2014-04-23 | 2015-03-11 | 常州福马塑胶有限公司 | The two-sided extrusion board of a kind of PVC foam |
| CN106009627A (en) * | 2016-06-24 | 2016-10-12 | 芜湖格华包装有限公司 | Composite plastic foam product based on enhanced compression resistance and preparation method of composite plastic foam product |
| CN207999931U (en) * | 2018-01-23 | 2018-10-23 | 三菱重工海尔(青岛)空调机有限公司 | A kind of air-conditioning drip tray of resistance to greasy dirt corrosion |
| CN108945706A (en) * | 2017-05-27 | 2018-12-07 | 广东奔迪新材料科技有限公司 | A kind of high-foaming plastic package box |
-
2020
- 2020-01-14 CN CN202010035373.8A patent/CN111218026A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060096205A1 (en) * | 2004-11-09 | 2006-05-11 | Griffin Christopher J | Roofing cover board, roofing panel composite, and method |
| CN102218872A (en) * | 2011-05-23 | 2011-10-19 | 天津大学 | Method for preparing regenerated fireproofing plate from waste polystyrene-acrylonitrile foamed plastics |
| CN202466863U (en) * | 2012-02-24 | 2012-10-03 | 陈伟 | High-temperature-resistant phenolic foam composite thermal-insulating body |
| CN204199674U (en) * | 2014-04-23 | 2015-03-11 | 常州福马塑胶有限公司 | The two-sided extrusion board of a kind of PVC foam |
| CN106009627A (en) * | 2016-06-24 | 2016-10-12 | 芜湖格华包装有限公司 | Composite plastic foam product based on enhanced compression resistance and preparation method of composite plastic foam product |
| CN108945706A (en) * | 2017-05-27 | 2018-12-07 | 广东奔迪新材料科技有限公司 | A kind of high-foaming plastic package box |
| CN207999931U (en) * | 2018-01-23 | 2018-10-23 | 三菱重工海尔(青岛)空调机有限公司 | A kind of air-conditioning drip tray of resistance to greasy dirt corrosion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107283711B (en) | A kind of thermoplastic polymer expanded bead formed body and preparation method thereof | |
| WO1998052734A1 (en) | Method for injection molding of thermoplastic resins | |
| JP2003522218A5 (en) | ||
| MX2010010331A (en) | Molded thermoplastic articles. | |
| CA2458939A1 (en) | Thermoplastic elastomer composition for core-back system foam injection molding and foam injection molding method using the same | |
| MX2009007738A (en) | Medical sharps container. | |
| CA1286072C (en) | Chemical blowing agent compositions and methods | |
| JP3157057B2 (en) | Molding method of polymer object having foam core | |
| CN111218026A (en) | High-efficient special box customization foaming | |
| SE0301075D0 (en) | A process for the manufacture of an article made of plastic material | |
| JP2007130826A (en) | Method for producing injection-foamed molded article | |
| JPS6218335B2 (en) | ||
| JP2010254930A (en) | Foam molded article and method for producing the same | |
| ATE553148T1 (en) | PRE-EXPANDED BEADS MADE OF UNCROSS-ROOLED POLYPROPYLENE RESIN AND MOLDED BODY EXPANDED IN THE MOLD | |
| ES2905459T3 (en) | Low temperature process to integrate a polymeric foam with a polymeric body | |
| JP2003266476A (en) | Method for manufacturing skin-integrated resin molded product | |
| US20150328830A1 (en) | Moulded plastic articles with contact between two dissimilar plastics | |
| JPH0996186A (en) | Packer device | |
| WO2005021081A8 (en) | Construction of medical components using gas assisted microcellular foaming | |
| JPH11201383A (en) | Pipe joint and manufacture thereof | |
| WO2003018284A1 (en) | Light weight plastic trim parts and methods of making same | |
| JP3375377B2 (en) | Method for producing fiber-reinforced thermoplastic resin foam molded article | |
| JP3167233B2 (en) | Method for producing thermoplastic resin foam | |
| JP2002337186A (en) | Method for supplying material to injection molding machine or extrusion machine | |
| JP4088908B2 (en) | Foamed resin molded product, manufacturing method and recycling method thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200602 |
|
| RJ01 | Rejection of invention patent application after publication |