CN111592704A - Plastic hollow plate and production process thereof - Google Patents
Plastic hollow plate and production process thereof Download PDFInfo
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- CN111592704A CN111592704A CN202010468813.9A CN202010468813A CN111592704A CN 111592704 A CN111592704 A CN 111592704A CN 202010468813 A CN202010468813 A CN 202010468813A CN 111592704 A CN111592704 A CN 111592704A
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- plastic hollow
- hollow plate
- master batch
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- 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
- B29D7/00—Producing flat articles, e.g. films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a plastic hollow plate, which comprises, by mass, 70-80% of synthetic resin, 8-10% of PP flame-retardant master batch, 8-12% of filler and 4-8% of plasticizer. Through the mode, the plastic hollow plate and the production process thereof provided by the invention have the advantages that the prepared plastic hollow plate is non-toxic and pollution-free, has a flame retardant effect, has extremely high bearing performance, high strength, smooth surface, low possibility of bending and other phenomena, is long in service life, meets the use requirement of a plastic template, and is high in mechanization degree in the production process, less in required labor force and low in production cost.
Description
Technical Field
The invention relates to the technical field of plastic hollow plates, in particular to a plastic hollow plate and a production process thereof.
Background
The plastic template is a composite material formed by high-temperature extrusion. The plastic template is an energy-saving and environment-friendly product, and is a novel generation product after a wood template, a combined steel template, a bamboo wood gluing template and an all-steel large template. The hollow plastic template is further developed, so that the weight of the plastic template can be effectively reduced, and meanwhile, the production cost is reduced.
However, the plastic hollow plate produced by the production process in the prior art also has some obvious defects, such as low strength, poor bearing capacity, easy fracture, and bending and warping deformation which may occur after long-term use, thereby affecting the use effect, shortening the service life and limiting the use range.
Disclosure of Invention
The invention mainly solves the technical problem of providing the plastic hollow plate, the prepared plastic hollow plate is nontoxic and pollution-free, has a flame retardant effect, has extremely high bearing property, high strength, smooth surface, is not easy to bend and the like, has long service life, meets the use requirement of a plastic template, and has high degree of mechanization in the production process, less required labor force and low production cost.
In order to solve the technical problems, the invention adopts a technical scheme that: the plastic hollow plate comprises, by mass, 70-80% of synthetic resin, 8-10% of PP flame-retardant master batch, 8-12% of filler and 4-8% of plasticizer.
In a preferred embodiment of the present invention, the synthetic resin is polyethylene or polypropylene.
In a preferred embodiment of the present invention, the PP flame retardant master batch is one of an inorganic flame retardant master batch, a halogen-free flame retardant master batch or a phosphorus-bromine composite flame retardant master batch.
In a preferred embodiment of the present invention, activated calcium carbonate is used as the filler.
In a preferred embodiment of the present invention, epoxy stearyl alcohol is used as the plasticizer.
In order to solve the technical problem, the invention adopts another technical scheme that: the production process of the plastic hollow plate comprises the following specific steps:
a. preparing materials: the raw materials comprise synthetic resin, PP flame-retardant master batch, filler and plasticizer;
b. mixing materials: adding the raw materials into a high-speed mixing roll according to a certain mass percentage for stirring and mixing to obtain a mixed material, wherein the rotating speed of the high-speed mixing roll is 480-;
c. feeding: sucking the mixed material into an extruder by using a material sucking machine for feeding;
d. and (3) extrusion molding: debugging a mold in the extruder, setting the rotating speed of a screw rod in the extruder to be 120-;
e. and (3) cooling: cooling the obtained plastic hollow plate blank in a cooling table at the temperature of 35-45 ℃ for 3-6 min;
f. traction: the cooled plastic hollow plate blank enters the space between rubber rollers of a tractor to be dragged;
g. shearing: the pulled plastic hollow plate blank enters an automatic plate shearing machine to be cut, and a plastic hollow plate with the required size is obtained;
i. packaging: and inspecting the cut plastic hollow plate, and packaging and warehousing the qualified plastic hollow plate.
In a preferred embodiment of the present invention, the raw materials added into the high-speed mixer comprise, by mass, 75% of the synthetic resin, 9% of the PP flame-retardant masterbatch, 10% of the filler, and 5% of the plasticizer.
In a preferred embodiment of the present invention, the temperature control adjustment in the extruder is divided into three sections, wherein the temperature of the melting and plasticizing section is 120-.
In a preferred embodiment of the invention, the extrusion pressure of the extruder is controlled to be 60-80 MPa.
In a preferred embodiment of the present invention, the cooling stage is cooled by air cooling.
The invention has the beneficial effects that: according to the plastic hollow plate and the production process thereof, the prepared plastic hollow plate is non-toxic and pollution-free, has a flame retardant effect, has extremely high bearing capacity, high strength, flat surface, is not easy to bend and the like, is long in service life, meets the use requirement of a plastic template, and is high in mechanization degree in the production process, less in required labor force and low in production cost.
Drawings
FIG. 1 is a flow chart of a preferred embodiment of the process for producing plastic hollow plates according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
As shown in fig. 1, an embodiment of the present invention includes:
example 1:
the plastic hollow plate comprises 75% of synthetic resin, 9% of PP flame-retardant master batch, 10% of filler and 5% of plasticizer by mass. The prepared plastic hollow plate is non-toxic and pollution-free, has a flame retardant effect, and has extremely high bearing performance.
In the above, the synthetic resin is polyethylene; the PP flame-retardant master batch adopts inorganic flame-retardant master batches; the filling material adopts activated calcium carbonate; the plasticizer adopts epoxy stearic acid octyl ester.
A production process of a plastic hollow plate comprises the following specific steps:
a. preparing materials: the raw materials comprise synthetic resin, PP flame-retardant master batch, filler and plasticizer;
b. mixing materials: adding the raw materials into a high-speed mixing roll according to a certain mass percentage, stirring and mixing to obtain a mixed material, wherein the rotating speed of the high-speed mixing roll is 480 r/min;
c. feeding: sucking the mixed material into an extruder by using a material sucking machine for feeding;
d. and (3) extrusion molding: debugging a mold in the extruder, setting the rotating speed of a screw in the extruder to be 120r/min, and performing extrusion molding through the extruder to obtain a plastic hollow plate blank;
e. and (3) cooling: cooling the obtained plastic hollow plate blank in a cooling table at the temperature of 35 ℃ for 3 min;
f. traction: the cooled plastic hollow plate blank enters the space between rubber rollers of a tractor to be dragged;
g. shearing: the pulled plastic hollow plate blank enters an automatic plate shearing machine to be cut, and a plastic hollow plate with the required size is obtained;
i. packaging: and inspecting the cut plastic hollow plate, and packaging and warehousing the qualified plastic hollow plate.
And processing the cut leftover materials after shearing, collecting and recycling the leftover materials, and crushing the leftover materials into plastic particles for later use.
Wherein the temperature control regulation in the extruder is divided into three sections, the temperature of the melting plasticizing section is 120-180 ℃, the temperature of the equilibrium section is 185-195 ℃, and the temperature of the extrusion section is 200-230 ℃. Meanwhile, the extrusion pressure of the extruder is controlled to be 60-80MPa, so that the prepared plastic hollow plate has high strength and smooth surface, and is not easy to bend and the like.
Furthermore, the cooling platform adopts the air cooling mode to carry out cooling treatment, and the cooling effect is good, can not harm the face of the hollow board of plastics again.
Example 2:
the raw materials of the plastic hollow plate comprise, by mass, 70% of synthetic resin, 10% of PP flame-retardant master batch, 12% of filler and 8% of plasticizer, and the prepared plastic hollow plate is non-toxic and pollution-free, has a flame-retardant effect and has extremely high bearing performance.
In the above, the synthetic resin is polypropylene; the PP flame-retardant master batch adopts halogen-free flame-retardant master batch; the filling material adopts activated calcium carbonate; the plasticizer adopts epoxy stearic acid octyl ester.
A production process of a plastic hollow plate comprises the following specific steps:
a. preparing materials: the raw materials comprise synthetic resin, PP flame-retardant master batch, filler and plasticizer;
b. mixing materials: adding the raw materials into a high-speed mixing roll according to a certain mass percentage, stirring and mixing to obtain a mixed material, wherein the rotating speed of the high-speed mixing roll is 520 r/min;
c. feeding: sucking the mixed material into an extruder by using a material sucking machine for feeding;
d. and (3) extrusion molding: debugging a mold in the extruder, setting the rotating speed of a screw rod in the extruder to be 120-;
e. and (3) cooling: cooling the obtained plastic hollow plate blank in a cooling table at the temperature of 40 ℃ for 4.5 min;
f. traction: the cooled plastic hollow plate blank enters the space between rubber rollers of a tractor to be dragged;
g. shearing: the pulled plastic hollow plate blank enters an automatic plate shearing machine to be cut, and a plastic hollow plate with the required size is obtained;
i. packaging: and inspecting the cut plastic hollow plate, and packaging and warehousing the qualified plastic hollow plate.
And processing the cut leftover materials after shearing, collecting and recycling the leftover materials, and crushing the leftover materials into plastic particles for later use.
The temperature control adjustment in the extruder is divided into three sections, wherein the temperature of the melting plasticizing section is 150 ℃, the temperature of the balance section is 190 ℃, and the temperature of the extrusion section is 215 ℃. Meanwhile, the extrusion pressure of the extruder is controlled at 70MPa, so that the plastic hollow plate manufactured by the extruder is high in strength, smooth in surface, not easy to bend and the like.
The cooling platform adopts the air-cooled mode to carry out cooling treatment, and the cooling effect is good, can not harm the face of the hollow board of plastics again.
Example 3:
the raw materials of the plastic hollow plate comprise 80% of synthetic resin, 8% of PP flame-retardant master batch, 8% of filler and 4% of plasticizer by mass percent, and the prepared plastic hollow plate is non-toxic and pollution-free, has a flame-retardant effect and has extremely high bearing performance.
In the above, the synthetic resin is polypropylene; the PP flame-retardant master batch is a phosphorus-bromine composite flame-retardant master batch; the filling material adopts activated calcium carbonate; the plasticizer adopts epoxy stearic acid octyl ester.
A production process of a plastic hollow plate comprises the following specific steps:
a. preparing materials: the raw materials comprise synthetic resin, PP flame-retardant master batch, filler and plasticizer;
b. mixing materials: adding the raw materials into a high-speed mixing roll according to a certain mass percentage, stirring and mixing to obtain a mixed material, wherein the rotating speed of the high-speed mixing roll is 580 r/min;
c. feeding: sucking the mixed material into an extruder by using a material sucking machine for feeding;
d. and (3) extrusion molding: debugging a mold in the extruder, setting the rotating speed of a screw rod in the extruder to be 320r/min, and performing extrusion molding through the extruder to obtain a plastic hollow plate blank;
e. and (3) cooling: cooling the obtained plastic hollow plate blank in a cooling table at the temperature of 45 ℃ for 6 min;
f. traction: the cooled plastic hollow plate blank enters the space between rubber rollers of a tractor to be dragged;
g. shearing: the pulled plastic hollow plate blank enters an automatic plate shearing machine to be cut, and a plastic hollow plate with the required size is obtained;
i. packaging: and inspecting the cut plastic hollow plate, and packaging and warehousing the qualified plastic hollow plate.
And processing the cut leftover materials after shearing, collecting and recycling the leftover materials, and crushing the leftover materials into plastic particles for later use.
The temperature control adjustment in the extruder is divided into three sections, wherein the temperature of the melting plasticizing section is 180 ℃, the temperature of the balance section is 195 ℃, and the temperature of the extruding section is 230 ℃. Meanwhile, the extrusion pressure of the extruder is controlled at 80MPa, so that the plastic hollow plate manufactured by the extruder is high in strength, smooth in surface, not easy to bend and the like.
The cooling platform adopts the air-cooled mode to carry out cooling treatment, and the cooling effect is good, can not harm the face of the hollow board of plastics again.
In conclusion, the plastic hollow plate and the production process thereof provided by the invention have the advantages that the prepared plastic hollow plate is non-toxic and pollution-free, has a flame retardant effect, has extremely high bearing performance, high strength, smooth surface, is not easy to bend and the like, is long in service life, meets the use requirement of a plastic template, and is high in mechanization degree in the production process, less in required labor force and low in production cost.
In the description of the present invention, it should be noted that all the components are general standard components or components known to those skilled in the art, the structure and principle of the components can be known by technical manuals or by conventional test methods, and the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate the orientations or positional relationships based on the drawings or the orientations or positional relationships usually placed when the product of the present invention is used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the component referred to must have a specific orientation, be configured and operated in a specific orientation, and thus cannot be understood as limiting the present invention.
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 the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The plastic hollow plate is characterized in that raw materials of the plastic hollow plate comprise, by mass, 70-80% of synthetic resin, 8-10% of PP flame-retardant master batch, 8-12% of filler and 4-8% of plasticizer.
2. The plastic hollow board as claimed in claim 1, wherein the synthetic resin is polyethylene or polypropylene.
3. The plastic hollow board of claim 1, wherein the PP flame retardant master batch is one of an inorganic flame retardant master batch, a halogen-free flame retardant master batch or a phosphorus-bromine composite flame retardant master batch.
4. The plastic hollow board as claimed in claim 1, wherein the filler is activated calcium carbonate.
5. The plastic hollow board as claimed in claim 1, wherein the plasticizer is epoxy octyl stearate.
6. The process for producing plastic hollow plates according to any one of claims 1 to 5, comprising the following specific steps:
a. preparing materials: the raw materials comprise synthetic resin, PP flame-retardant master batch, filler and plasticizer;
b. mixing materials: adding the raw materials into a high-speed mixing roll according to a certain mass percentage for stirring and mixing to obtain a mixed material, wherein the rotating speed of the high-speed mixing roll is 480-;
c. feeding: sucking the mixed material into an extruder by using a material sucking machine for feeding;
d. and (3) extrusion molding: debugging a mold in the extruder, setting the rotating speed of a screw rod in the extruder to be 120-;
e. and (3) cooling: cooling the obtained plastic hollow plate blank in a cooling table at the temperature of 35-45 ℃ for 3-6 min;
f. traction: the cooled plastic hollow plate blank enters the space between rubber rollers of a tractor to be dragged;
g. shearing: the pulled plastic hollow plate blank enters an automatic plate shearing machine to be cut, and a plastic hollow plate with the required size is obtained;
i. packaging: and inspecting the cut plastic hollow plate, and packaging and warehousing the qualified plastic hollow plate.
7. The production process of the plastic hollow plate as claimed in claim 6, wherein the raw materials added into the high-speed mixer comprise 75% by mass of synthetic resin, 9% by mass of PP flame-retardant master batch, 10% by mass of filler and 5% by mass of plasticizer.
8. The process for producing a plastic hollow plate as claimed in claim 6, wherein the temperature control adjustment in the extruder is divided into three sections, the temperature of the melting and plasticizing section is 120-.
9. The process for producing plastic hollow plates according to claim 6, wherein the extrusion pressure of the extruder is controlled to be 60-80 MPa.
10. The process for producing hollow plastic plates as claimed in claim 1, wherein the cooling stage is cooled by air cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010468813.9A CN111592704A (en) | 2020-05-28 | 2020-05-28 | Plastic hollow plate and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010468813.9A CN111592704A (en) | 2020-05-28 | 2020-05-28 | Plastic hollow plate and production process thereof |
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| Publication Number | Publication Date |
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| CN111592704A true CN111592704A (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010468813.9A Withdrawn CN111592704A (en) | 2020-05-28 | 2020-05-28 | Plastic hollow plate and production process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112358681A (en) * | 2020-11-05 | 2021-02-12 | 湖州新金砺纸业有限责任公司 | Preparation method of low-cost high-strength PP hollow plate |
| CN112358680A (en) * | 2020-11-05 | 2021-02-12 | 湖州新金砺纸业有限责任公司 | Preparation method of low-cost antistatic PP hollow plate |
-
2020
- 2020-05-28 CN CN202010468813.9A patent/CN111592704A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112358681A (en) * | 2020-11-05 | 2021-02-12 | 湖州新金砺纸业有限责任公司 | Preparation method of low-cost high-strength PP hollow plate |
| CN112358680A (en) * | 2020-11-05 | 2021-02-12 | 湖州新金砺纸业有限责任公司 | Preparation method of low-cost antistatic PP hollow plate |
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Application publication date: 20200828 |