CN113183431A - Preparation method of hot melt adhesive for shoes - Google Patents
Preparation method of hot melt adhesive for shoes Download PDFInfo
- Publication number
- CN113183431A CN113183431A CN202110273024.4A CN202110273024A CN113183431A CN 113183431 A CN113183431 A CN 113183431A CN 202110273024 A CN202110273024 A CN 202110273024A CN 113183431 A CN113183431 A CN 113183431A
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- CN
- China
- Prior art keywords
- double
- screw
- hot melt
- melt adhesive
- machine
- 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
- 239000004831 Hot glue Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 42
- 238000005303 weighing Methods 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 239000005457 ice water Substances 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000000084 colloidal system Substances 0.000 claims abstract description 5
- 238000010008 shearing Methods 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000000049 pigment Substances 0.000 claims description 12
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 10
- 229920001634 Copolyester Polymers 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000000265 homogenisation Methods 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 abstract description 8
- 230000001070 adhesive effect Effects 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000013329 compounding Methods 0.000 description 3
- 239000012792 core layer Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J201/00—Adhesives based on unspecified macromolecular compounds
-
- 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
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention relates to a preparation method of a hot melt adhesive for shoes, which is characterized in that a three-layer co-extrusion double-screw machine is arranged, a feeding system is arranged at the front end of the double-screw machine, and an ice water machine set is arranged at the rear end of the double-screw machine; weighing raw materials, feeding the raw materials to a feeding system, configuring the materials, setting the working temperature of a double-screw machine, preheating and preserving heat for a preset time; weighing materials by a feeding system, conveying the materials to a double-screw machine, uniformly extruding the materials by the double-screw machine to an ice water unit, and cooling; and (4) dragging and shearing the output colloid to obtain the hot melt adhesive for shoes. The invention adopts a three-layer co-extrusion method, so that the product surface has higher adhesive force and better mechanical property as a whole; the material is called under the configuration stage carries out reasonable distribution, lets the product more even stable under the prerequisite that the unloading precision is high, and during the preparation different samples, only need change the proportion of material and change the screen cloth on the machine, just will be the product of complete difference, has accomplished the seamless connection of product conversion to reduce workman's operation, reduce the consumption of time.
Description
Technical Field
The present invention relates to adhesives; general non-mechanical methods of adhesion; bonding methods not otherwise included; the technical field of application of adhesive materials, in particular to a preparation method of a hot melt adhesive for shoes.
Background
The hot melt adhesive is a plastic adhesive, the physical state of which changes along with the change of temperature within a certain temperature range, and the chemical property of which is unchanged, is nontoxic and tasteless, and belongs to an environment-friendly chemical product. The hot melt adhesive is convenient to package, transport and store, has no solvent, pollution or toxicity, and is favored because of the advantages of simple production process, high added value, high adhesive strength, high speed and the like.
Hot melt adhesives for shoes, which are used in the production of shoes as the name implies, have adhesive and mechanical properties that are of interest as important components for measuring the quality of shoes.
However, in the prior art, the hot melt adhesive for shoes has the problems of limited adhesive force, common mechanical property and low production efficiency, is very inconvenient to manufacture different samples, needs to replace raw materials and stop for resetting manually, has large operation amount of workers, consumes much time, and has low blanking precision and fluctuating product quality.
Disclosure of Invention
The invention solves the problems in the prior art, provides an optimized preparation method of the hot melt adhesive for shoes, is a preparation method of thermoplastic high-molecular hot melt adhesive, and is mainly applied to shoe materials.
The invention adopts the technical scheme that a preparation method of a hot melt adhesive for shoes comprises the following steps:
step 1: arranging a three-layer co-extrusion double-screw machine, configuring a feeding system at the front end of the double-screw machine, and configuring an ice water machine set at the rear end of the double-screw machine;
step 2: weighing raw materials, feeding the raw materials to a feeding system, and configuring the materials;
and step 3: setting the working temperature of the double-screw machine, preheating and preserving heat for a preset time;
and 4, step 4: weighing materials by a feeding system, conveying the materials to a double-screw machine, uniformly extruding the materials by the double-screw machine to an ice water unit, and cooling;
and 5: and (4) dragging and shearing the output colloid to obtain the hot melt adhesive for shoes.
Preferably, in the step 1, two twin-screw machines for three-layer co-extrusion are provided, one twin-screw machine is a 65-type twin-screw main machine, and the other twin-screw machine is a 75-type twin-screw main machine.
Preferably, the 75-type double-screw main machine corresponds to 3 weighing mechanisms, and raw materials of the 3 weighing mechanisms are respectively thermoplastic elastomer, reclaimed materials thereof, filling type powder, pigment and non-crystalline copolyester.
Preferably, the weight percentage of the raw materials in the 75-type twin-screw main machine is as follows:
55-65% of thermoplastic elastomer and reclaimed materials thereof, 20-30% of filling type powder, 0.03-0.05% of pigment and 5-20% of amorphous copolyester.
Preferably, the 65-type twin-screw main machine corresponds to 2 weighing mechanisms, and raw materials of the 2 weighing mechanisms are respectively a thermoplastic type body, a filling type powder material and a pigment.
Preferably, the 65 type twin-screw main machine comprises the following raw materials in percentage by weight:
69.95-80% of thermoplastic elastomer, 19.97-30% of filling type powder and 0.03-0.05% of pigment.
Preferably, the working temperature of the 75-type twin-screw host is fixed at 60-120 ℃ increment of the feeding section, 140-150 ℃ increment of the compression section and 150-160 ℃ of the homogenization section.
Preferably, the working temperature of the 65-type twin-screw host is fixed at 60-110 ℃ increment of the feeding section, 130-140 ℃ increment of the compression section and 140-150 ℃ of the homogenization section.
Preferably, the die temperature of the twin-screw machine is 145-155 ℃, and the temperature at the center of the die is lower than that at the outer side.
Preferably, in the step 3, the temperature is kept for 2 hours.
The invention relates to an optimized preparation method of a hot melt adhesive for shoes, which is characterized in that a three-layer co-extrusion double-screw machine is arranged, a feeding system is arranged at the front end of the double-screw machine, and an ice water machine set is arranged at the rear end of the double-screw machine; weighing raw materials, feeding the raw materials to a feeding system, and configuring the materials; setting the working temperature of the double-screw machine, preheating and preserving heat for a preset time; weighing materials by a feeding system, conveying the materials to a double-screw machine, uniformly extruding the materials by the double-screw machine to an ice water unit, and cooling; and (4) dragging and shearing the output colloid to obtain the hot melt adhesive for shoes.
Compared with other technologies, the invention adopts a three-layer co-extrusion method, so that the product surface has higher adhesive force and better mechanical property as a whole; the material is called under the configuration stage carries out reasonable distribution, lets the product more even stable under the prerequisite that the unloading precision is high, and during the preparation different samples, only need change the proportion of material and change the screen cloth on the machine, just will be the product of complete difference, has accomplished the seamless connection of product conversion to reduce workman's operation, reduce the consumption of time.
Detailed Description
The present invention is described in further detail with reference to the following examples, but the scope of the present invention is not limited thereto.
The invention relates to a preparation method of a hot melt adhesive for shoes, which comprises the steps of feeding, blanking to a screw, melting materials by a screw machine, compounding fluids in two screw main machines in a mold cavity, passing the materials through a die head, cooling and shaping by three rollers, drawing, cutting into pieces and slicing to finally obtain a finished product; in a whole, the front end is a feeding system, and the rear end is an ice water system for cooling and shaping.
The method comprises the following steps:
step 1: arranging a three-layer co-extrusion double-screw machine, configuring a feeding system at the front end of the double-screw machine, and configuring an ice water machine set at the rear end of the double-screw machine;
in the step 1, two twin-screw machines for three-layer co-extrusion are provided, one twin-screw machine is a 65-type twin-screw main machine, and the other twin-screw machine is a 75-type twin-screw main machine.
The 75-type double-screw main machine corresponds to 3 weighing mechanisms, and the raw materials of the 3 weighing mechanisms are respectively thermoplastic elastomer and reclaimed materials thereof, filling type powder, pigment and amorphous copolyester.
The 65-type double-screw host corresponds to 2 weighing mechanisms, and raw materials of the 2 weighing mechanisms are respectively a thermoplastic type elastic body, a filling type powder material and a pigment.
In the invention, three-layer coextrusion refers to double main machines and double flow channels, and a melt is compounded in a die, namely, a 75 machine is used as a core layer, a 65 machine is used as a skin layer, namely, a 75 machine layer and a 65 machine layer; the in-mold compounding means that the compounding operation of 75 host machine materials as the core layer and 65 host machine materials as the skin layer is completed in the mold cavity.
In the present invention, the type 75 twin-screw main unit and the type 65 twin-screw main unit are well known in the art, and generally correspond to the twin-screw main unit with a branch pipe diameter of 75mm and 65mm, respectively.
In the invention, the feeding systems are classified, so that the blanking precision is higher, and the product performance is more stable.
In the invention, the cooling temperature of the ice water unit is 0-3 ℃.
In the present invention, the filler type powder is generally PET powder.
Step 2: weighing raw materials, feeding the raw materials to a feeding system, and configuring the materials;
the 75 type double-screw main machine comprises the following raw materials in percentage by weight:
55-65% of thermoplastic elastomer and reclaimed materials thereof, 20-30% of filling type powder, 0.03-0.05% of pigment and 5-20% of amorphous copolyester.
The 65 type double-screw main machine comprises the following raw materials in percentage by weight:
69.95-80% of thermoplastic elastomer, 19.97-30% of filling type powder and 0.03-0.05% of pigment.
In the invention, the feeding system can automatically suck materials.
In the present invention, the reclaimed material of the thermoplastic elastomer is a recycled reclaimed material certified for GRS.
And step 3: setting the working temperature of the double-screw machine, preheating and preserving heat for a preset time;
and in the step 3, keeping the temperature for 2 hours.
And 4, step 4: weighing materials by a feeding system, conveying the materials to a double-screw machine, uniformly extruding the materials by the double-screw machine to an ice water unit, and cooling;
the working temperature of the 75 type double-screw host is the fixed value of 60-120 ℃ increment of the feeding section, 140-150 ℃ increment of the compression section and 150-160 ℃ increment of the homogenization section.
The working temperature of the 65 type double-screw host is the fixed value of 60-110 ℃ increment of the feeding section, 130-140 ℃ increment of the compression section and 140-150 ℃ increment of the homogenization section.
The temperature of the die head of the double-screw machine is 145-155 ℃, and the temperature of the center of the die head is lower than that of the outer side.
In the present invention, the die has a high center temperature and low side temperatures.
And 5: and (4) dragging and shearing the output colloid to obtain the hot melt adhesive for shoes.
According to the invention, the preparation of the hot melt adhesive for shoes is completed by fully stirring after weighing, accurately weighing after blanking, uniformly and stably extruding, cooling, drawing and cutting.
In the invention, three-layer co-extrusion is adopted, so that all properties of the product can be considered, the surface of the product is provided with viscosity, and the middle layer has higher mechanical property.
Claims (10)
1. A preparation method of a hot melt adhesive for shoes is characterized by comprising the following steps: the method comprises the following steps:
step 1: arranging a three-layer co-extrusion double-screw machine, configuring a feeding system at the front end of the double-screw machine, and configuring an ice water machine set at the rear end of the double-screw machine;
step 2: weighing raw materials, feeding the raw materials to a feeding system, and configuring the materials;
and step 3: setting the working temperature of the double-screw machine, preheating and preserving heat for a preset time;
and 4, step 4: weighing materials by a feeding system, conveying the materials to a double-screw machine, uniformly extruding the materials by the double-screw machine to an ice water unit, and cooling;
and 5: and (4) dragging and shearing the output colloid to obtain the hot melt adhesive for shoes.
2. The preparation method of the hot melt adhesive for shoes according to claim 1, characterized by comprising the following steps: in the step 1, two twin-screw machines for three-layer co-extrusion are provided, one twin-screw machine is a 65-type twin-screw main machine, and the other twin-screw machine is a 75-type twin-screw main machine.
3. The preparation method of the hot melt adhesive for shoes according to claim 2, characterized by comprising the following steps: the 75-type double-screw main machine corresponds to 3 weighing mechanisms, and the raw materials of the 3 weighing mechanisms are respectively thermoplastic elastomer and reclaimed materials thereof, filling type powder, pigment and amorphous copolyester.
4. The preparation method of the hot melt adhesive for shoes according to claim 3, characterized by comprising the following steps: the 75 type double-screw main machine comprises the following raw materials in percentage by weight:
55-65% of thermoplastic elastomer and reclaimed materials thereof, 20-30% of filling type powder, 0.03-0.05% of pigment and 5-20% of amorphous copolyester.
5. The preparation method of the hot melt adhesive for shoes according to claim 2, which is characterized by comprising the following steps: the 65-type double-screw host corresponds to 2 weighing mechanisms, and raw materials of the 2 weighing mechanisms are respectively a thermoplastic type elastic body, a filling type powder material and a pigment.
6. The preparation method of the hot melt adhesive for shoes according to claim 5, characterized by comprising the following steps: the 65 type double-screw main machine comprises the following raw materials in percentage by weight:
69.95-80% of thermoplastic elastomer, 19.97-30% of filling type powder and 0.03-0.05% of pigment.
7. The preparation method of the hot melt adhesive for shoes according to claim 2, characterized by comprising the following steps: the working temperature of the 75 type double-screw host is the fixed value of 60-120 ℃ increment of the feeding section, 140-150 ℃ increment of the compression section and 150-160 ℃ increment of the homogenization section.
8. The preparation method of the hot melt adhesive for shoes according to claim 2, characterized by comprising the following steps: the working temperature of the 65 type double-screw host is the fixed value of 60-110 ℃ increment of the feeding section, 130-140 ℃ increment of the compression section and 140-150 ℃ increment of the homogenization section.
9. The preparation method of the hot melt adhesive for shoes according to claim 1 or 2, which is characterized by comprising the following steps: the temperature of the die head of the double-screw machine is 145-155 ℃, and the temperature of the center of the die head is lower than that of the outer side.
10. The preparation method of the hot melt adhesive for shoes according to claim 1, characterized by comprising the following steps: and in the step 3, keeping the temperature for 2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110273024.4A CN113183431A (en) | 2021-03-14 | 2021-03-14 | Preparation method of hot melt adhesive for shoes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110273024.4A CN113183431A (en) | 2021-03-14 | 2021-03-14 | Preparation method of hot melt adhesive for shoes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113183431A true CN113183431A (en) | 2021-07-30 |
Family
ID=76973281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110273024.4A Pending CN113183431A (en) | 2021-03-14 | 2021-03-14 | Preparation method of hot melt adhesive for shoes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113183431A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116494442A (en) * | 2023-05-16 | 2023-07-28 | 东莞市嘉豪机械科技有限公司 | Production equipment and method of TPU plastic sheet for shoes |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203048857U (en) * | 2013-01-08 | 2013-07-10 | 李民 | Pre-crosslinked hot melt adhesive coating with multi-layer co-extruded surface layer |
| RU2599586C1 (en) * | 2015-07-08 | 2016-10-10 | Общество с ограниченной ответственностью "Упакс-Юнити" | Method of producing three-layer film basing on polypropylene with filler from calcium carbonate |
-
2021
- 2021-03-14 CN CN202110273024.4A patent/CN113183431A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203048857U (en) * | 2013-01-08 | 2013-07-10 | 李民 | Pre-crosslinked hot melt adhesive coating with multi-layer co-extruded surface layer |
| RU2599586C1 (en) * | 2015-07-08 | 2016-10-10 | Общество с ограниченной ответственностью "Упакс-Юнити" | Method of producing three-layer film basing on polypropylene with filler from calcium carbonate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116494442A (en) * | 2023-05-16 | 2023-07-28 | 东莞市嘉豪机械科技有限公司 | Production equipment and method of TPU plastic sheet for shoes |
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Application publication date: 20210730 |