CN111805863A

CN111805863A - Manufacturing method and application of cooling fence plate material

Info

Publication number: CN111805863A
Application number: CN202010652660.3A
Authority: CN
Inventors: 李正一; 李忠和; 薛海涛
Original assignee: Jilin Tingran Landscape Material Technology Co ltd
Current assignee: Jilin Tingran Landscape Material Technology Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2020-10-23

Abstract

The invention discloses a manufacturing method and application of a cooling fence plate material, which comprises the steps of preparation of a formula, drying of materials, cooling of the materials, extrusion granulation, extrusion molding, wrapping molding and cooling of a product, wherein the material of the formula B is placed into a single-screw co-extruder according to the corresponding proportion in the step S1, a die Z is sleeved on a plate formed by the die Y, and then raw materials extruded by the single-screw co-extruder enter the die Z so as to wrap the raw materials on the outer surface of the plate formed by the die Y. The invention relates to the technical field of fence boards, in particular to a manufacturing method and application of a cooling fence board material.

Description

Manufacturing method and application of cooling fence plate material

Technical Field

The invention relates to the technical field of fence boards, in particular to a manufacturing method and application of a cooling fence board material.

Background

The fence is a guardrail and is mainly used for protecting and protecting equipment and facilities in occasions such as roads, factories, districts, villas, courtyards, commercial districts, public places and the like, the guardrail is visible everywhere in our lives, the fence can be divided into a plurality of kinds according to the material, wherein the plate fence is one of the guardrails, and the plate fence is a plate or a section produced by plastic processing technologies such as extrusion, die pressing, injection molding and the like.

But present fence board is when using, and the sun can shine on the fence board, and current fence board can only slow down thermal transmission, can not block thermal transmission, and the heat of shining through sunshine can gather in the section bar is inside, even outside ambient temperature reduces after the heat gathers, the heat of gathering can exist and is difficult for dispelling in the material, leads to inside temperature still higher to can influence the life of fence board.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a manufacturing method and application of a cooling fence plate material, which solve the problems that the heat can only be slowed down and can not be blocked, the heat can be accumulated in a section bar through the irradiation of sunlight, and the accumulated heat can not be easily dissipated in the material even if the external environment temperature is reduced after the heat is accumulated, so that the internal temperature is still high.

Researches find that antioxidants with different components and contents significantly affect the cooling performance of the cooling fence board material of the invention.

In order to achieve the purpose, the invention is realized by the following technical scheme: a manufacturing method of a cooling fence plate material comprises the following steps:

s1, preparation of a formula: preparing a formula A and a formula B, wherein the formula A comprises 25.5% of HDPE resin, 61% of wood powder, 8.5% of talcum powder, 4.2% of compatilizer, 0.6% of flexibilizer, 0.1% of antioxidant and 0.1% of lubricant, and the formula B comprises 25.5% of infrared radiation material, 23% of LLDPE resin, 30% of HDPE resin, 17.5% of sarin, 3.6% of compatilizer, 0.3% of flexibilizer and 0.1% of antioxidant;

s2, drying materials: putting the wood powder into a high-speed mixer, enabling the high-speed mixer to run at a low speed, drying the wood powder, enabling the temperature of the wood powder to rise to 80 ℃, then adding the lubricant and the toughening agent in the formula A into a high-speed mixer, enabling the high-speed mixer to continue to run at a low speed, and enabling the temperature of materials in the high-speed mixer to rise to 110 ℃;

s3, cooling the materials: taking out all the materials in the high-speed mixer in the step S2, putting the materials into a low-speed mixer, stirring and cooling the materials by the low-speed mixer to reduce the temperature to 40-45 ℃, and then putting the materials out of the low-speed mixer into a vessel;

s4, extrusion granulation: putting 25.5% of HDPE resin, 8.5% of talcum powder, 4.2% of compatilizer and 0.1% of antioxidant in the formula A in the step S1 into an extrusion granulator, simultaneously putting the cooled wood powder, the lubricant and the flexibilizer in the step S3 into the extrusion granulator according to the proportion of the formula A, and then extruding the materials to complete granulation;

s5, extrusion molding: in the step S4, after the material A is granulated, the material A is added into a double-screw extruder X, and after extrusion, the material A enters a plate die Y to finish plate forming work;

s6, wrapping and forming: putting the material in the formula B into a single-screw co-extruder according to the corresponding proportion in the step S1, sleeving a mold Z on the plate formed by the mold Y, and then enabling the raw material extruded by the single-screw co-extruder to enter the mold Z so as to wrap the raw material on the outer surface of the plate formed by the mold Y;

s7, cooling the product: and (5) putting the plate formed in the step S6 into a cooling machine, and cooling the plate to the normal temperature to obtain the final product.

In the invention, the SURLYN is an ionic polymer resin SURLYN produced by dupont.

Preferably, the HDPE resin raw material is produced by recycling plastic particles, and the wood flour is produced by pulverizing trees and then taking the pulverized wood flour.

Preferably, the antioxidant is prepared from tetra [ methyl-beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine and N-octadecyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate.

Preferably, in step S2, after the wood flour is dried, it is taken out, the wood flour is screened by a screen to remove the wood flour with large particle size, and the screened qualified wood flour is continuously put into a high-speed mixer to be continuously operated at low speed until the temperature of the wood flour is raised to 80 ℃.

Preferably, in step S4, before the material is granulated, the material is stirred by a motor-driven stirring rod, so that the materials are fully mixed, and the stirring time is 10 min.

Preferably, the twin-screw extruder in step S5 has a device section divided into a first zone and a second zone, a third zone, a fourth zone, a confluence core, a first die zone, a second die zone, a third die zone, and a fourth die zone, wherein the temperatures of the respective zones are 185 ℃, 150 ℃, 155 ℃, and 155 ℃.

Preferably, the equipment section of the single-screw co-extruder in step S6 is divided into a first zone and a second zone, a third zone, a fourth zone, a first die zone, a second die zone, a third die zone and a fourth die zone, and the temperatures of the zones are 140 ℃, 150 ℃, 170 ℃, 175 ℃, 170 ℃, 190 ℃ and 190 ℃ in sequence.

Preferably, the fence plates can be combined and spliced into a fence, so that the fence can be applied to an industrial fence, an agricultural fence, a civil fence and a public facility fence.

Advantageous effects

The invention provides a manufacturing method and application of a cooling fence plate material, and compared with the prior art, the cooling fence plate material has the following beneficial effects:

(1) the manufacturing method of the cooling fence plate material comprises the steps of putting a material in a formula B into a single-screw co-extruder according to a corresponding proportion in the step S1, sleeving a mold Z on a plate formed by a mold Y, enabling a raw material extruded by the single-screw co-extruder to enter the mold Z, enabling the raw material to wrap the outer surface of the plate formed by the mold Y, wrapping an infrared radiation material in the formula B on the outer surface of the plate formed by the mold Y, enabling the fence plate material to radiate heat absorbed by the material in a heat radiation mode, enabling the inside and the outside of a section bar to achieve the cooling effect, and prolonging the service life of the fence plate.

(2) After the wood flour is dried, the wood flour is taken out, the wood flour is screened by using a screen, the wood flour with large particle size is screened, then the qualified wood flour is continuously put into a high-speed mixer, the high-speed mixer is continuously operated at low speed until the temperature of the wood flour is raised to 80 ℃, the wood flour with large particle size can be screened, the quality of the wood flour is improved, and the quality of the prepared fence board is better.

Drawings

FIG. 1 is a flow chart of the preparation of the present invention.

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.

The following examples are parallel tests in which the components, operating steps and parameters, etc., are identical, unless otherwise indicated.

Referring to fig. 1, the present invention provides four technical solutions:

example one

A manufacturing method of a cooling fence plate material comprises the following steps:

s3, cooling the materials: taking out all the materials in the high-speed mixer in the step S2, putting the materials into a low-speed mixer, stirring and cooling the materials by the low-speed mixer to reduce the temperature to 40 ℃, and then putting the materials out of the low-speed mixer into a vessel;

The HDPE resin raw material is prepared by recycling plastic particles, and the wood flour is prepared by crushing trees and taking the crushed wood flour.

The antioxidant is prepared from tetra [ methyl-beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine and beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) N-octadecyl propionate according to the weight ratio of 1:1: 1.

In step S2, after the wood flour is dried, it is taken out, the wood flour is screened by a screen to remove the wood flour with large particle size, and then the qualified wood flour is put into a high-speed mixer to be operated at low speed until the temperature of the wood flour is raised to 80 ℃.

In step S4, before the materials are granulated, the materials are stirred by a motor-driven stirring rod, so that the materials are fully mixed, and the stirring time is 10 min.

The apparatus section of the twin-screw extruder in the step S5 is divided into a first zone and a second zone, a third zone, a fourth zone, a merging core, a first die zone, a second die zone, a third die zone, and a fourth die zone, and the temperatures of the respective zones are 185 ℃, 150 ℃, 155 ℃, and 155 ℃ in this order.

In step S6, the equipment sections of the single-screw co-extruder are divided into a first zone, a second zone, a third zone, a fourth zone, a first die zone, a second die zone, a third die zone and a fourth die zone, and the temperatures of the sections are 140 ℃, 150 ℃, 170 ℃, 175 ℃, 170 ℃, 190 ℃ and 190 ℃ in sequence.

The fence plates can be combined and spliced into a fence, so that the fence is applied to an industrial fence.

Example two

s3, cooling the materials: taking out all the materials in the high-speed mixer in the step S2, putting the materials into a low-speed mixer, stirring and cooling the materials by the low-speed mixer to reduce the temperature to 45 ℃, and then putting the materials out of the low-speed mixer into a vessel;

The antioxidant is prepared from tetra [ methyl-beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine and beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) N-octadecyl propionate according to the weight ratio of 1:2: 1.

The fence plates can be combined and spliced into a fence, so that the fence is applied to agriculture.

EXAMPLE III

s3, cooling the materials: taking out all the materials in the high-speed mixer in the step S2, putting the materials into a low-speed mixer, stirring and cooling the materials by the low-speed mixer to reduce the temperature to 42 ℃, and then putting the materials out of the low-speed mixer into a vessel;

The antioxidant is prepared from tetra [ methyl-beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine and beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) N-octadecyl propionate according to the weight ratio of 1:1: 2.

The fence plates can be combined and spliced into a fence, so that the fence is applied to civil fences.

Example four

s3, cooling the materials: taking out all the materials in the high-speed mixer in the step S2, putting the materials into a low-speed mixer, stirring and cooling the materials by the low-speed mixer to reduce the temperature to 44 ℃, and then putting the materials out of the low-speed mixer into a vessel;

The DPE resin raw material is prepared by recycling plastic particles, and the wood flour is prepared by crushing trees and taking the crushed wood flour.

The antioxidant is prepared from tetra [ methyl-beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester and N, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexamethylene diamine according to the weight ratio of 1: 1.

The fence plates can be combined and spliced into a fence, so that the fence can be applied to a public facility fence.

The fencing boards of examples 1-4 were used to form fences and tested for cooling performance. The initial temperature was 24.5 ℃ and after 4h of direct sunlight, the ambient temperature was compared to the temperature of the surface of the pen, and the results are shown in table 1.

TABLE 1 comparison of Cooling Performance

	Example 1	Example 2	Example 3	Example 4	Environment(s)
						Temperature (. degree.C.)	34.2	32.6	35.3	37.1	53.3

The results show that the pens of examples 1-4 of the present invention all had significant cooling properties. The effect of example 2 was the most preferable.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. A manufacturing method of a cooling fence plate material is characterized by comprising the following steps:

2. The manufacturing method of the material of the cooling fence board as claimed in claim 1, wherein the manufacturing method comprises the following steps: the HDPE resin raw material is prepared by recycling plastic particles, and the wood flour is prepared by crushing trees and taking the crushed wood flour.

3. The manufacturing method of the material of the cooling fence board as claimed in claim 1, wherein the manufacturing method comprises the following steps: the particle size of the talcum powder is 800 meshes, the surlyn is made of DuPont material, and the toughening agent is formed by combining polysiloxane and polycarbonate copolymer.

4. The manufacturing method of the material of the cooling fence board as claimed in claim 1, wherein the manufacturing method comprises the following steps: the antioxidant is prepared from tetra [ methyl-beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine and beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) N-octadecyl propionate.

5. The manufacturing method of the material of the cooling fence board as claimed in claim 1, wherein the manufacturing method comprises the following steps: in step S2, after the wood flour is dried, it is taken out, the wood flour is screened by a screen to remove the wood flour with large particle size, and the screened qualified wood flour is put into a high-speed mixer to be operated at low speed until the temperature of the wood flour is raised to 80 ℃.

6. The manufacturing method of the material of the cooling fence board as claimed in claim 1, wherein the manufacturing method comprises the following steps: in the step S4, before the material is granulated, the material is stirred by the motor-driven stirring rod, so that the materials are fully mixed, and the stirring time is 10 min.

7. The manufacturing method of the material of the cooling fence board as claimed in claim 1, wherein the manufacturing method comprises the following steps: the apparatus section of the twin-screw extruder in the step S5 is divided into a first zone and a second zone, a third zone, a fourth zone, a merging core, a first die zone, a second die zone, a third die zone, and a fourth die zone, and the temperatures of the respective zones are 185 ℃, 150 ℃, 155 ℃, and 155 ℃ in this order.

8. The manufacturing method of the material of the cooling fence board as claimed in claim 1, wherein the manufacturing method comprises the following steps: the equipment section of the single-screw co-extruder in the step S6 is divided into a first zone, a second zone, a third zone, a fourth zone, a first die zone, a second die zone, a third die zone and a fourth die zone, and the temperature of each section is 140 ℃, 150 ℃, 170 ℃, 175 ℃, 170 ℃, 190 ℃ and 190 ℃ in sequence.

9. A cooling fence panel material as claimed in any one of claims 1 to 8 wherein the fence panels can be assembled to form a fence for use in industrial, agricultural, civil and institutional fence applications.