CN112111109A - EPS foam packaging plate and preparation process thereof - Google Patents
EPS foam packaging plate and preparation process thereof Download PDFInfo
- Publication number
- CN112111109A CN112111109A CN202010964792.XA CN202010964792A CN112111109A CN 112111109 A CN112111109 A CN 112111109A CN 202010964792 A CN202010964792 A CN 202010964792A CN 112111109 A CN112111109 A CN 112111109A
- Authority
- CN
- China
- Prior art keywords
- parts
- eps
- essential oil
- eps foam
- foam packaging
- 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
- C08J9/04—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
-
- 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
- B32B15/02—Layer formed of wires, e.g. mesh
-
- 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
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/082—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising vinyl resins; comprising acrylic resins
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
-
- 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
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
-
- 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
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- 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
- C08J9/0085—Use of fibrous compounding ingredients
-
- 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
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
-
- 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
- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
-
- 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
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
-
- 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
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
- C08J2475/08—Polyurethanes from 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
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention provides an EPS foam packaging plate and a preparation process thereof. The EPS foam packaging board and the preparation process thereof comprise the following raw materials in parts by weight: 100-150 parts of polystyrene resin, 10-30 parts of diisocyanate, 30-40 parts of bamboo charcoal fiber, 30-50 parts of chitin powder, 1-3 parts of mixed plant essential oil, 12-15 parts of polyether polyol, 0.5-0.8 part of polymerization catalyst, 0.5-0.8 part of flame retardant, 0.3-0.5 part of foaming agent, 1-3 parts of adhesive and a plurality of parts of water. The bamboo charcoal fiber and the chitin powder are added into the EPS foam packaging board provided by the invention, the bamboo charcoal fiber has a good antibacterial effect, the purpose that articles in packaging and transportation are not polluted by bacteria is ensured, the chitin has a natural antibacterial effect, the broad-spectrum antibacterial rate is very high, more than 90% of common bacteria cannot survive on the chitin fiber, and thus a safe defense line is provided for packaged food.
Description
Technical Field
The invention relates to the technical field of EPS, in particular to an EPS foam packaging plate and a preparation process thereof.
Background
The EPS foam board is a white object which is formed by heating expandable polystyrene beads containing volatile liquid foaming agent in a mold after heating and pre-foaming, has the structural characteristics of fine closed pores and the like, maintains the layout of a main body of a building, and extends the building life. Because the external heat preservation is to place the heat preservation layer in the overall arrangement outside, reduced the overall arrangement that arouses because the temperature change warp the stress of outbreak to and reduce harmful substance in the air and the corruption of ultraviolet ray to the overall arrangement, and EPS cystosepiment is favorable to room temperature to keep the steady, chooses external wall external heat preservation for use, because the heat accumulation of wall body can great overall arrangement in the wall body inboard, is favorable to room temperature to keep the steady.
The existing EPS foam packing plate is extremely easy to burn in open fire, has poor safety performance and poor fire insulation performance for packing articles, so that the packing quality of the articles is poor, the existing EPS foam packing plate is complex to process and operate, the produced EPS foam packing plate is poor in quality, and bacteria are easy to breed.
Therefore, there is a need to provide a new EPS foam packaging board and a preparation process thereof to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides an EPS foam packaging plate and a preparation process thereof.
The EPS foam packaging board provided by the invention comprises the following raw materials in parts by weight: 100-150 parts of polystyrene resin, 10-30 parts of diisocyanate, 30-40 parts of bamboo charcoal fiber, 30-50 parts of chitin powder, 1-3 parts of mixed plant essential oil, 12-15 parts of polyether polyol, 0.5-0.8 part of polymerization catalyst, 0.5-0.8 part of flame retardant, 0.3-0.5 part of foaming agent, 1-3 parts of adhesive and a plurality of parts of water.
The raw materials comprise the following components in parts by weight: 125 parts of polystyrene resin, 20 parts of diisocyanate, 35 parts of bamboo charcoal fiber, 40 parts of chitin powder, 2 parts of mixed plant essential oil, 13 parts of polyether polyol, 0.6 part of polymerization catalyst, 0.6 part of flame retardant, 0.4 part of foaming agent, 2 parts of adhesive and a plurality of parts of water.
Preferably, the mixed plant essential oil may be any two or more of a combination of rose essential oil, lavender essential oil, clary sage essential oil, sweet orange essential oil, tea tree essential oil, and sandalwood essential oil.
Preferably, the polyether polyol is polyether propylene glycol or polyether glycerol.
Preferably, stannous octoate or dibutyltin is used as the polymerization catalyst.
A preparation process of an EPS foam packaging plate comprises the following specific steps:
the method comprises the following steps: adding the polystyrene resin into a stirring machine with a heating function, stirring at a constant speed, and sequentially adding a plurality of parts of diisocyanate, bamboo charcoal fiber, mixed plant essential oil, polyether polyol, polymerization catalyst, flame retardant, adhesive and water during stirring;
step two: starting a stirring machine, heating and stirring for 2-3h at the temperature of 40-50 ℃, wherein the rotating speed of a stirring blade is 800-;
the third step: adding chitin powder into the EPS semi-finished product A which is fully stirred and reacted in the step two, starting the stirring machine again, heating and stirring for 1-2h at the temperature of 50-60 ℃, wherein the rotating speed of a stirring blade is 800-1000r/min, and obtaining a EPS semi-finished product B processed into the polymer;
the fourth step: pouring the EPS semi-finished product B into a hopper of a steam foaming machine, adding sufficient foaming agent, heating the mixture of the EPS semi-finished product B and the foaming agent in a spiral feeder by steam, spirally rotating the spiral feeder, continuously and quantitatively feeding the mixture into the lower part of the steam pre-foaming machine, and drying the surface moisture by a fan;
the fifth step: and after the surface moisture is dried, quickly adding the mixture into a forming box, completing reactions such as chain growth, foaming, crosslinking, curing and the like in the forming box, and obtaining the formed EPS foam packaging board after 24 hours.
The steam added in step four heats the added EPS beads to above 80 ℃ and the steam causes the beads to expand, at which point the EPS beads are controlled to a temperature below 105 ℃.
The chain growth reaction in the fifth step is as follows: the mixture can generate a polymer after being mixed, and an additional active site for growth is added to an unsaturated monomer molecule in a polymer chain, so that chain growth is formed; the foaming reaction in the step five is as follows: heating the mixture to heat the foaming agent, so that the gas is decomposed and released to foam; the cross-linking reaction in the step five is as follows: two or more molecules in the mixture are mutually bonded and crosslinked into relatively stable molecules with a network structure, so that linear or slightly branched macromolecules are converted into a three-dimensional network structure, and the properties such as strength, heat resistance, wear resistance, solvent resistance and the like are improved; the curing reaction in the step five is as follows: the toluene diisocyanate, the diisocyanate and the polyether polyol in the mixture are continuously stirred and uniformly mixed under the action of a proper amount of stannous octoate or dibutyltin octoate as a catalyst, and finally the polymer forms a solidified body.
Preferably, a layer of galvanized metal mesh sheet is fixedly embedded on two sides of the molded EPS foam packaging plate in a pressing and co-extrusion mode.
Compared with the related art, the EPS foam packaging board and the preparation process thereof provided by the invention have the following beneficial effects:
the invention provides an EPS foam packaging board and a preparation process thereof, wherein bamboo carbon fiber and chitin powder are added into the EPS foam packaging board, the bamboo carbon fiber has good antibacterial and bacteriostatic effects, the purpose of preventing articles in packaging and transportation from being polluted by bacteria is ensured, the chitin has natural antibacterial efficacy, the broad-spectrum antibacterial rate is very high, more than 90% of common bacteria cannot survive on the chitin fiber, and thus a safe defense line is provided for packaged food.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the EPS foam packaging board and the preparation process thereof provided by the present invention.
Reference numbers in the figures: 1. EPS foam packing board; 2. galvanized metal mesh sheet.
Detailed Description
The invention is further described with reference to the following figures and embodiments. Referring to fig. 1, fig. 1 is a schematic structural diagram of an EPS foam packaging board and a manufacturing process thereof according to a preferred embodiment of the present invention.
The first embodiment is as follows:
in the embodiment of the invention, the EPS foam packaging board comprises the following raw materials in parts by weight: 125 parts of polystyrene resin, 20 parts of diisocyanate, 35 parts of bamboo charcoal fiber, 40 parts of chitin powder, 2 parts of mixed plant essential oil, 13 parts of polyether polyol, 0.6 part of polymerization catalyst, 0.6 part of flame retardant, 0.4 part of foaming agent, 2 parts of adhesive and a plurality of parts of water.
The mixed plant essential oil can be any two or combination of more of rose essential oil, lavender essential oil, clary sage essential oil, sweet orange essential oil, tea tree essential oil and sandalwood essential oil, the polyether polyol is polyether propylene glycol or polyether glycerol, and the polymerization catalyst is stannous octoate or dibutyltin octoate.
A preparation process of an EPS foam packaging plate comprises the following specific steps:
the method comprises the following steps: adding the polystyrene resin into a stirring machine with a heating function, stirring at a constant speed, and sequentially adding a plurality of parts of diisocyanate, bamboo charcoal fiber, mixed plant essential oil, polyether polyol, polymerization catalyst, flame retardant, adhesive and water during stirring;
step two: starting a stirring machine, heating and stirring for 2.5 hours at the temperature of 45 ℃, wherein the rotating speed of a stirring blade is 900r/min, and mixing and processing into an EPS semi-finished product A;
the third step: adding chitin powder into the EPS semi-finished product A which is fully stirred and reacted in the step two, starting the stirring machine again, heating and stirring for 1.5h under the temperature condition of 55 ℃, wherein the rotating speed of a stirring blade is 900r/min, and obtaining a EPS semi-finished product B processed into the polymer;
the fourth step: pouring the EPS semi-finished product B into a hopper of a steam foaming machine, adding sufficient foaming agent, heating the mixture of the EPS semi-finished product B and the foaming agent in a spiral feeder by steam, spirally rotating the spiral feeder, continuously and quantitatively feeding the mixture into the lower part of the steam pre-foaming machine, and drying the surface moisture by a fan;
the fifth step: and after the surface moisture is dried, quickly adding the mixture into a forming box, completing reactions such as chain growth, foaming, crosslinking, curing and the like in the forming box, and obtaining the formed EPS foam packaging board 1 after 24 hours.
Wherein the steam added in step four heats the added EPS beads to above 80 ℃ and the steam causes the beads to expand, at which time the EPS beads are controlled to a temperature below 105 ℃; and the chain growth reaction in the fifth step is as follows: the mixture can generate a polymer after being mixed, and an additional active site for growth is added to an unsaturated monomer molecule in a polymer chain, so that chain growth is formed; the foaming reaction in the step five is as follows: heating the mixture to heat the foaming agent, so that the gas is decomposed and released to foam; the cross-linking reaction in the step five is as follows: two or more molecules in the mixture are mutually bonded and crosslinked into relatively stable molecules with a network structure, so that linear or slightly branched macromolecules are converted into a three-dimensional network structure, and the properties such as strength, heat resistance, wear resistance, solvent resistance and the like are improved; the curing reaction in the step five is as follows: the toluene diisocyanate, the diisocyanate and the polyether polyol in the mixture are continuously stirred and uniformly mixed under the action of a proper amount of stannous octoate or dibutyltin octoate as a catalyst, and finally the polymer forms a solidified body.
Wherein, fix the fixed gomphosis one deck zinc-plated metal mesh thin sheet 2 of mode of crowded altogether through the pressfitting in the EPS foam packaging board 1 both sides after the shaping, the impaired degree in surface when reducing EPS foam packaging board 1 and using.
It should be noted that: the bamboo charcoal fiber and the chitin powder are added into the EPS foam packaging board, the bamboo charcoal fiber has good antibacterial and antibacterial effects, the purpose that articles in packaging and transportation are not polluted by bacteria is guaranteed, the chitin has a natural antibacterial effect, the broad-spectrum antibacterial rate is very high, more than 90% of common bacteria cannot survive on the chitin fiber, and therefore a safe defense line is provided for packaged food.
Example two:
in the embodiment of the invention, the EPS foam packaging board comprises the following raw materials in parts by weight: 100 parts of polystyrene resin, 10 parts of diisocyanate, 30 parts of bamboo charcoal fiber, 30 parts of chitin powder, 1 part of mixed plant essential oil, 12 parts of polyether polyol, 0.5 part of polymerization catalyst, 0.5 part of flame retardant, 0.3 part of foaming agent, 1 part of adhesive and a plurality of parts of water.
The mixed plant essential oil can be any two or combination of more of rose essential oil, lavender essential oil, clary sage essential oil, sweet orange essential oil, tea tree essential oil and sandalwood essential oil, the polyether polyol is polyether propylene glycol or polyether glycerol, and the polymerization catalyst is stannous octoate or dibutyltin octoate.
A preparation process of an EPS foam packaging plate comprises the following specific steps:
the method comprises the following steps: adding the polystyrene resin into a stirring machine with a heating function, stirring at a constant speed, and sequentially adding a plurality of parts of diisocyanate, bamboo charcoal fiber, mixed plant essential oil, polyether polyol, polymerization catalyst, flame retardant, adhesive and water during stirring;
step two: starting a stirring machine, heating and stirring for 2 hours at the temperature of 40 ℃, wherein the rotating speed of a stirring blade is 800r/min, and mixing and processing into an EPS semi-finished product A;
the third step: adding chitin powder into the EPS semi-finished product A which is fully stirred and reacted in the step two, starting the stirring machine again, heating and stirring for 1h at the temperature of 50 ℃, wherein the rotating speed of a stirring blade is 800r/min, and obtaining a EPS semi-finished product B processed into the EPS semi-finished product B;
the fourth step: pouring the EPS semi-finished product B into a hopper of a steam foaming machine, adding sufficient foaming agent, heating the mixture of the EPS semi-finished product B and the foaming agent in a spiral feeder by steam, spirally rotating the spiral feeder, continuously and quantitatively feeding the mixture into the lower part of the steam pre-foaming machine, and drying the surface moisture by a fan;
the fifth step: and after the surface moisture is dried, quickly adding the mixture into a forming box, completing reactions such as chain growth, foaming, crosslinking, curing and the like in the forming box, and obtaining the formed EPS foam packaging board 1 after 24 hours.
Example three:
in the embodiment of the invention, the EPS foam packaging board comprises the following raw materials in parts by weight: 150 parts of polystyrene resin, 30 parts of diisocyanate, 40 parts of bamboo charcoal fiber, 50 parts of chitin powder, 3 parts of mixed plant essential oil, 15 parts of polyether polyol, 0.8 part of polymerization catalyst, 0.8 part of flame retardant, 0.5 part of foaming agent, 3 parts of adhesive and a plurality of parts of water.
The mixed plant essential oil can be any two or combination of more of rose essential oil, lavender essential oil, clary sage essential oil, sweet orange essential oil, tea tree essential oil and sandalwood essential oil, the polyether polyol is polyether propylene glycol or polyether glycerol, and the polymerization catalyst is stannous octoate or dibutyltin octoate.
A preparation process of an EPS foam packaging plate comprises the following specific steps:
the method comprises the following steps: adding the polystyrene resin into a stirring machine with a heating function, stirring at a constant speed, and sequentially adding a plurality of parts of diisocyanate, bamboo charcoal fiber, mixed plant essential oil, polyether polyol, polymerization catalyst, flame retardant, adhesive and water during stirring;
step two: starting a stirring machine, heating and stirring for 3 hours at the temperature of 50 ℃, wherein the rotating speed of a stirring blade is 1000r/min, and mixing and processing into an EPS semi-finished product A;
the third step: adding chitin powder into the EPS semi-finished product A which is fully stirred and reacted in the step two, starting the stirring machine again, heating and stirring for 2 hours at the temperature of 60 ℃, wherein the rotating speed of a stirring blade is 1000r/min, and obtaining a EPS semi-finished product B processed into the EPS semi-finished product;
the fourth step: pouring the EPS semi-finished product B into a hopper of a steam foaming machine, adding sufficient foaming agent, heating the mixture of the EPS semi-finished product B and the foaming agent in a spiral feeder by steam, spirally rotating the spiral feeder, continuously and quantitatively feeding the mixture into the lower part of the steam pre-foaming machine, and drying the surface moisture by a fan;
the fifth step: and after the surface moisture is dried, quickly adding the mixture into a forming box, completing reactions such as chain growth, foaming, crosslinking, curing and the like in the forming box, and obtaining the formed EPS foam packaging board 1 after 24 hours.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The EPS foam packaging board is characterized by comprising the following raw materials in parts by weight: 100-150 parts of polystyrene resin, 10-30 parts of diisocyanate, 30-40 parts of bamboo charcoal fiber, 30-50 parts of chitin powder, 1-3 parts of mixed plant essential oil, 12-15 parts of polyether polyol, 0.5-0.8 part of polymerization catalyst, 0.5-0.8 part of flame retardant, 0.3-0.5 part of foaming agent, 1-3 parts of adhesive and a plurality of parts of water.
2. The EPS foam packaging board of claim 1, wherein the raw materials comprise the following components in parts by weight: 125 parts of polystyrene resin, 20 parts of diisocyanate, 35 parts of bamboo charcoal fiber, 40 parts of chitin powder, 2 parts of mixed plant essential oil, 13 parts of polyether polyol, 0.6 part of polymerization catalyst, 0.6 part of flame retardant, 0.4 part of foaming agent, 2 parts of adhesive and a plurality of parts of water.
3. The EPS foam packaging sheet according to claim 1, wherein the mixed plant essential oil may be a combination of any two or more of rose essential oil, lavender essential oil, clary sage essential oil, sweet orange essential oil, tea tree essential oil, and sandalwood essential oil.
4. An EPS foam packaging board according to claim 1, wherein the polyether polyol is polyether propylene glycol or polyether glycerol.
5. The EPS foam packaging sheet according to claim 1, wherein the polymerization catalyst is stannous octoate or dibutyltin.
6. A process for the preparation of EPS foam packaging board according to any one of claims 1 to 5, characterized in that it comprises the following specific steps:
the method comprises the following steps: adding the polystyrene resin into a stirring machine with a heating function, stirring at a constant speed, and sequentially adding a plurality of parts of diisocyanate, bamboo charcoal fiber, mixed plant essential oil, polyether polyol, polymerization catalyst, flame retardant, adhesive and water during stirring;
step two: starting a stirring machine, heating and stirring for 2-3h at the temperature of 40-50 ℃, wherein the rotating speed of a stirring blade is 800-;
the third step: adding chitin powder into the EPS semi-finished product A which is fully stirred and reacted in the step two, starting the stirring machine again, heating and stirring for 1-2h at the temperature of 50-60 ℃, wherein the rotating speed of a stirring blade is 800-1000r/min, and obtaining a EPS semi-finished product B processed into the polymer;
the fourth step: pouring the EPS semi-finished product B into a hopper of a steam foaming machine, adding sufficient foaming agent, heating the mixture of the EPS semi-finished product B and the foaming agent in a spiral feeder by steam, spirally rotating the spiral feeder, continuously and quantitatively feeding the mixture into the lower part of the steam pre-foaming machine, and drying the surface moisture by a fan;
the fifth step: and (3) after the surface moisture is dried, quickly adding the mixture into a forming box, completing reactions such as chain growth, foaming, crosslinking, curing and the like in the forming box, and obtaining the formed EPS foam packaging board (1) after 24 hours.
7. A process for the preparation of EPS foam packaging board according to claim 6, wherein the steam added in step four heats the added EPS beads to above 80 ℃ and the steam causes the beads to expand, while the temperature of the EPS beads is controlled below 105 ℃.
8. A process for the preparation of EPS foam packaging board according to claim 6,
the chain growth reaction in the fifth step is as follows: the mixture can generate a polymer after being mixed, and an additional active site for growth is added to an unsaturated monomer molecule in a polymer chain, so that chain growth is formed;
the foaming reaction in the step five is as follows: heating the mixture to heat the foaming agent, so that the gas is decomposed and released to foam;
the cross-linking reaction in the step five is as follows: two or more molecules in the mixture are mutually bonded and crosslinked into relatively stable molecules with a network structure, so that linear or slightly branched macromolecules are converted into a three-dimensional network structure, and the properties such as strength, heat resistance, wear resistance, solvent resistance and the like are improved;
the curing reaction in the step five is as follows: the toluene diisocyanate, the diisocyanate and the polyether polyol in the mixture are continuously stirred and uniformly mixed under the action of a proper amount of stannous octoate or dibutyltin octoate as a catalyst, and finally the polymer forms a solidified body.
9. The preparation process of the EPS foam packing plate of claim 6, wherein a layer of galvanized metal mesh sheet (2) is fixedly embedded on both sides of the molded EPS foam packing plate (1) in a pressing and co-extrusion manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010964792.XA CN112111109A (en) | 2020-09-15 | 2020-09-15 | EPS foam packaging plate and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010964792.XA CN112111109A (en) | 2020-09-15 | 2020-09-15 | EPS foam packaging plate and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112111109A true CN112111109A (en) | 2020-12-22 |
Family
ID=73802660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010964792.XA Pending CN112111109A (en) | 2020-09-15 | 2020-09-15 | EPS foam packaging plate and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112111109A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104513536A (en) * | 2013-09-27 | 2015-04-15 | 天津单渡科技开发有限公司 | Plant type environmental-protection antibacterial latex paint |
| CN108559193A (en) * | 2018-03-24 | 2018-09-21 | 青岛文宝泡塑包装有限公司 | Flame retardant type foamed plastics and preparation method thereof |
| CN109294093A (en) * | 2018-09-27 | 2019-02-01 | 合肥朗胜新材料有限公司 | A kind of eps foam clad plate and its preparation process |
| CN109776983A (en) * | 2019-02-18 | 2019-05-21 | 江苏杰辉新材料有限公司 | A kind of graphene EPS and preparation method thereof |
| CN110607037A (en) * | 2019-09-03 | 2019-12-24 | 江泽波 | Improved molded polystyrene foam material |
-
2020
- 2020-09-15 CN CN202010964792.XA patent/CN112111109A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104513536A (en) * | 2013-09-27 | 2015-04-15 | 天津单渡科技开发有限公司 | Plant type environmental-protection antibacterial latex paint |
| CN108559193A (en) * | 2018-03-24 | 2018-09-21 | 青岛文宝泡塑包装有限公司 | Flame retardant type foamed plastics and preparation method thereof |
| CN109294093A (en) * | 2018-09-27 | 2019-02-01 | 合肥朗胜新材料有限公司 | A kind of eps foam clad plate and its preparation process |
| CN109776983A (en) * | 2019-02-18 | 2019-05-21 | 江苏杰辉新材料有限公司 | A kind of graphene EPS and preparation method thereof |
| CN110607037A (en) * | 2019-09-03 | 2019-12-24 | 江泽波 | Improved molded polystyrene foam material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6033295B2 (en) | Method for producing organic foam composites containing airgel particles | |
| EP2734560B1 (en) | Composition for manufacturing a tannin-based foam material, foam material obtainable from it, and manufacturing process thereof" | |
| Zhang et al. | Water-blown castor oil-based polyurethane foams with soy protein as a reactive reinforcing filler | |
| CN101475741B (en) | Surface modification inorganic nanoparticle modified polyurethane rigid foam and preparation | |
| EP2623288B1 (en) | Method for the production of foam moulded parts. | |
| CN101781396B (en) | Chitosan-polyurethane composite rigid closed-cell foam material and preparation method thereof | |
| JP2011219734A (en) | Woody foam | |
| CN104149455A (en) | Vehicle-used slowly-springback polyurethane foam composite material | |
| Qi et al. | Thermal, mechanical, and morphological properties of rigid crude glycerol‐based polyurethane foams reinforced with nanoclay and microcrystalline cellulose | |
| CN111040104B (en) | Sound-absorbing flame-retardant vegetable oil-based polyurethane foam material and preparation method thereof | |
| WO1999021915A1 (en) | Resin composition with biodegradability and foamability | |
| Glenn et al. | Starch-based foam composite materials: Processing and bioproducts | |
| CN102504164A (en) | Manufacture method of enhanced corncob base polyurethane foam materials | |
| CN106835808B (en) | A kind of paper pulp foamed material of nano-cellulose enhancing and preparation method thereof | |
| CN112111109A (en) | EPS foam packaging plate and preparation process thereof | |
| CA2778580A1 (en) | Expandable beads of a compostable or biobased thermoplastic polymer | |
| KR101236553B1 (en) | Method for manufacturing foam insulation having a function of resistance to flame | |
| CN110437417B (en) | Preparation method and application of polyurethane composite material based on plant alcohol | |
| CN107298748B (en) | Environment-friendly degradable flame-retardant polyurethane rapid packaging material and preparation method thereof | |
| CN102746611A (en) | Phenolic resin composition and foam material prepared therefrom | |
| Kraev et al. | Effect of biocidal additives on technological parameters in the manufacture of polyurethane foams | |
| CN105237728A (en) | Material used for preparing rigid foamed plastic, and preparation method of rigid foamed plastic | |
| US2808379A (en) | Process for foaming resins using furan adduct foaming agents and foamable compositions containing same | |
| CN109135576A (en) | A kind of inner wall of building waterproof sound-deadening paint and its manufacturing method applied to indoor environment | |
| CN107236235A (en) | A kind of method that foamed plastic is produced with modified starch |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201222 |