CN113214751A - Low-temperature hot melt adhesive and preparation method and preparation production line thereof - Google Patents
Low-temperature hot melt adhesive and preparation method and preparation production line thereof Download PDFInfo
- Publication number
- CN113214751A CN113214751A CN202110273143.XA CN202110273143A CN113214751A CN 113214751 A CN113214751 A CN 113214751A CN 202110273143 A CN202110273143 A CN 202110273143A CN 113214751 A CN113214751 A CN 113214751A
- Authority
- CN
- China
- Prior art keywords
- layer
- low
- hot melt
- melt adhesive
- temperature hot
- 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 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000010410 layer Substances 0.000 claims abstract description 72
- 239000012792 core layer Substances 0.000 claims abstract description 42
- 239000000047 product Substances 0.000 claims abstract description 31
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 14
- 239000011265 semifinished product Substances 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 239000012945 sealing adhesive Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 17
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 6
- 239000005457 ice water Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
Classifications
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- 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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/26—Presence of textile or fabric
- C09J2400/263—Presence of textile or fabric in the substrate
-
- 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
- C09J2479/00—Presence of polyamine or polyimide
- C09J2479/08—Presence of polyamine or polyimide polyimide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to a low-temperature hot melt adhesive and a preparation method and a preparation production line thereof, wherein the low-temperature hot melt adhesive comprises a core layer, one surface or two surfaces of the core layer are provided with a supporting layer in a matching way, and a sealing adhesive layer is arranged outside the supporting layer; in the preparation process, pre-adjusting equipment and preparing raw materials; extruding a core layer by using double screws of a screw machine, attaching 2 preset non-woven fabrics towards the core layer, and integrally outputting to obtain a semi-finished product; cooling, cutting and winding the output semi-finished product; coating a sealing adhesive layer on two sides of any cut and rolled semi-finished product to obtain a product, and processing to obtain a finished product; the low-temperature hot melt adhesive preparation production line comprises a screw machine, wherein one group or two groups of conveying rollers are arranged on two sides of an output port matched with the screw machine, and a water chilling unit, a cutting and winding unit and a sealing adhesive layer coating device are arranged behind the conveying rollers. The hardness of the final product prepared by the invention is 57 +/-3D, the low-temperature bending resistance can reach more than 80000 times, the surface adhesion performance is good, the softening temperature is low, and the subsequent processing and use are convenient.
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 low-temperature hot melt adhesive and a preparation method and a preparation production line thereof.
Background
Before the appearance of low-temperature hot melt adhesives, port treasure is used as a product with similar purposes, and due to the development of industry and the improvement of living standard and consciousness of people, people begin to pursue products which are more environment-friendly, durable and have production efficiency at the same time, and based on the development, the low-temperature hot melt adhesives appear.
Compared with the port treasure, the low-temperature hot melt adhesive has the advantages of being better in shaping effect after being cooled, waterproof, short in curing time, high in production efficiency, superior to the port treasure, fast in bonding, firm, ageing-resistant, heat-resistant, cold-resistant, good in permeability and the like, good in compatibility with other additives, capable of developing corresponding hot melt adhesive products aiming at products made of different materials, wide in application range and capable of being applied to the fields of various industries.
However, in the prior art, it is difficult to ensure the texture of the product including light, hard, elastic, stiff and the like on the basis of improving the mechanical properties of the product, or the product cannot give consideration to the support property and cannot maintain the performance at low temperature, which causes the application of the existing low-temperature hot melt adhesive to have great limitation and cannot be applied to more occasions.
Disclosure of Invention
The invention solves the problems in the prior art and provides an optimized low-temperature hot melt adhesive and a preparation method and a preparation production line thereof.
The invention adopts the technical scheme that the low-temperature hot melt adhesive comprises:
a core layer;
one or two surfaces of the core layer are provided with a supporting layer in a matching way;
and a glue sealing layer is arranged outside the supporting layer.
Preferably, two surfaces of the core layer are respectively provided with a supporting layer, and the supporting layers are non-woven fabrics;
2 be equipped with the glue sealing layer respectively outside the supporting layer, the glue sealing layer is the TPU layer.
The preparation method of the low-temperature hot melt adhesive comprises the following steps:
step 1: pre-adjusting equipment for preparing raw materials;
step 2: extruding a core layer by using double screws of a screw machine, attaching 2 preset non-woven fabrics towards the core layer, and integrally outputting to obtain a semi-finished product;
and step 3: cooling, cutting and winding the output semi-finished product;
and 4, step 4: coating a sealing adhesive layer on the double surfaces of any cut and rolled semi-finished product to obtain a product;
and 5: and (5) treating the product to obtain a finished product.
Preferably, in the step 1, the pre-adjusting device includes setting the temperatures of the screw machine and the ice water chiller to preset values, and adjusting the discharging thickness of the screw machine.
Preferably, in step 2, the core layer has a thickness less than or equal to a predetermined thickness.
Preferably, the sealant layer is a TPU layer.
Preferably, the TPU dosage of the TPU layer is 100-300 g/square meter.
Preferably, the hardness of the finished product is 57 ± 3D.
The preparation assembly line of the low-temperature hot melt adhesive comprises:
a screw machine for casting with double screws and obtaining a core layer;
one or two groups of conveying rollers are matched and arranged at two sides of an output port of the screw machine and used for outputting a supporting layer matched and attached with the core layer;
the ice water unit is used for cooling the attached core layer and the attached supporting layer;
the cutting and winding unit is used for cutting and winding the cooled core layer and the cooled supporting layer;
and the adhesive sealing layer coating equipment is used for coating the adhesive sealing layer outside the supporting layer.
Preferably, a pressing component is arranged in cooperation with the conveying roller and used for extruding the core layer and the supporting layer.
The invention relates to an optimized low-temperature hot melt adhesive, a preparation method and a preparation production line thereof.
The final product prepared by the invention has the hardness of 57 +/-3D, the low-temperature (-15 ℃) flexing resistance of more than 80000 times, good surface adhesion performance and low softening temperature, and is convenient for subsequent processing and use.
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 low-temperature hot melt adhesive, which comprises:
a core layer;
one or two surfaces of the core layer are provided with a supporting layer in a matching way; specifically, two surfaces of the core layer are respectively provided with a supporting layer, and the supporting layers are non-woven fabrics;
the supporting layer is equipped with the sealing compound layer outward, particularly, 2 the supporting layer is equipped with the sealing compound layer outward respectively, the sealing compound layer is the TPU layer.
In the invention, the core layer is the low-temperature hot melt adhesive, so that the overall mechanical property of the product is ensured, the texture of the product is ensured, including but not limited to light, hard, elastic and stiff, the product can be tightly bonded with non-woven fabrics, and the delaminating and layering phenomena can not occur.
In the invention, the non-woven fabric is used as a support, so that the non-woven fabric has good support performance, a hot melt adhesive layer is not damaged, the defects of the product are fewer, the low-temperature flexing resistance of the product is greatly improved, and the performance can be maintained at the low temperature of-15 ℃; meanwhile, the problem of roller sticking during large-scale production is solved, and the problem of thermal shrinkage of products is relieved.
According to the invention, the adhesive layer is set as the TPU layer, so that the adhesive force and the attractive appearance of the product are ensured, the surface of the product is smooth, no obvious defect exists, and the performance is obviously improved compared with other types.
The invention also relates to a preparation method of the low-temperature hot melt adhesive, which comprises the following steps:
step 1: pre-adjusting equipment for preparing raw materials;
in the step 1, the pre-adjusting device comprises the steps of setting the temperature of the screw machine and the temperature of the ice water machine set to a preset value and adjusting the discharging thickness of the screw machine.
In the invention, the raw material refers to a conventional low-temperature hot melt adhesive raw material, namely a thermoplastic elastomer.
In the invention, the rotating speed of the screw is adjusted, so that the discharging amount is adjusted, and the thickness of the coating layer is adjusted; the discharge thickness of the screw machine is adjusted by adjusting the gap between the front and rear extrusion rollers.
In the invention, the width of the die head is required to be adjusted according to requirements, the width of the die head is determined, the width of the die head is generally set to be 110cm, and the redundant width is cut into edges after the traction section.
Step 2: extruding a core layer by using double screws of a screw machine, attaching 2 preset non-woven fabrics towards the core layer, and integrally outputting to obtain a semi-finished product;
in the step 2, the thickness of the core layer is less than or equal to a preset thickness.
In the invention, the non-woven fabric is two rolls of 65g non-woven fabric, and the width is 110-125 cm.
In the invention, after the raw materials are uniformly stirred, the raw materials are extruded and cast by a screw machine, a core layer is clamped by two layers of non-woven fabrics, the thickness of a semi-finished product is ensured by subtracting about 2mm (the thickness of the non-woven fabrics) from the required thickness, continuous and stable production can be realized after the adjustment is stable, and the raw materials are cut and rolled after being fully cooled.
In the invention, when the core layer is smaller than the preset thickness, the thickness can be supplemented by the sealant layer, and certainly, the core layer cannot be too thin to be abnormal based on the national standard requirement.
And step 3: cooling, cutting and winding the output semi-finished product;
and 4, step 4: coating a sealing adhesive layer on the double surfaces of any cut and rolled semi-finished product to obtain a product;
the adhesive sealing layer is a TPU layer.
The TPU dosage of the TPU layer is 100-300 g/square meter.
In the invention, the TPU layer is used as the sealant layer, so that the product has good adhesive force, smooth surface and no obvious defect.
And 5: and (5) treating the product to obtain a finished product.
The hardness of the finished product is 57 +/-3D.
In the invention, the finished product after cooling and shaping generally needs to be cut into pieces, and the pieces are cut into pieces of 1m by 1.5m according to requirements.
The invention also relates to a preparation production line of the low-temperature hot melt adhesive, which comprises the following steps:
a screw machine for casting with double screws and obtaining a core layer;
one or two groups of conveying rollers are matched and arranged at two sides of an output port of the screw machine and used for outputting a supporting layer matched and attached with the core layer;
the ice water unit is used for cooling the attached core layer and the attached supporting layer;
the cutting and winding unit is used for cutting and winding the cooled core layer and the cooled supporting layer;
and the adhesive sealing layer coating equipment is used for coating the adhesive sealing layer outside the supporting layer.
The conveying roller is matched with a pressing component for extruding the core layer and the supporting layer.
According to the invention, the overall thickness of the core layer and the supporting layer can be better controlled by matching with the pressing component.
In the invention, the whole preparation production line is matched with the controller, and the preparation of the low-temperature hot melt adhesive is completed under the control of the controller.
Claims (10)
1. A low-temperature hot melt adhesive is characterized in that: the low-temperature hot melt adhesive comprises:
a core layer;
one or two surfaces of the core layer are provided with a supporting layer in a matching way;
and a glue sealing layer is arranged outside the supporting layer.
2. The low-temperature hot melt adhesive according to claim 1, wherein: two surfaces of the core layer are respectively provided with a supporting layer, and the supporting layers are non-woven fabrics;
2 be equipped with the glue sealing layer respectively outside the supporting layer, the glue sealing layer is the TPU layer.
3. The preparation method of the low-temperature hot melt adhesive as claimed in any one of claims 1 to 2, which is characterized by comprising the following steps: the method comprises the following steps:
step 1: pre-adjusting equipment for preparing raw materials;
step 2: extruding a core layer by using double screws of a screw machine, attaching 2 preset non-woven fabrics towards the core layer, and integrally outputting to obtain a semi-finished product;
and step 3: cooling, cutting and winding the output semi-finished product;
and 4, step 4: coating a sealing adhesive layer on the double surfaces of any cut and rolled semi-finished product to obtain a product;
and 5: and (5) treating the product to obtain a finished product.
4. The preparation method of the low-temperature hot melt adhesive according to claim 3, characterized by comprising the following steps: in the step 1, the pre-adjusting device comprises the steps of setting the temperature of the screw machine and the temperature of the ice water machine set to a preset value and adjusting the discharging thickness of the screw machine.
5. The preparation method of the low-temperature hot melt adhesive according to claim 3, characterized by comprising the following steps: in the step 2, the thickness of the core layer is less than or equal to a preset thickness.
6. The preparation method of the low-temperature hot melt adhesive according to claim 3, characterized by comprising the following steps: the adhesive sealing layer is a TPU layer.
7. The preparation method of the low-temperature hot melt adhesive according to claim 6, wherein the preparation method comprises the following steps: the TPU dosage of the TPU layer is 100-300 g/square meter.
8. The preparation method of the low-temperature hot melt adhesive according to claim 3, characterized by comprising the following steps: the hardness of the finished product is 57 +/-3D.
9. The production line for the low-temperature hot melt adhesive as claimed in any one of claims 1 to 2, characterized in that: the method comprises the following steps:
a screw machine for casting with double screws and obtaining a core layer;
one or two groups of conveying rollers are matched and arranged at two sides of an output port of the screw machine and used for outputting a supporting layer matched and attached with the core layer;
the ice water unit is used for cooling the attached core layer and the attached supporting layer;
the cutting and winding unit is used for cutting and winding the cooled core layer and the cooled supporting layer;
and the adhesive sealing layer coating equipment is used for coating the adhesive sealing layer outside the supporting layer.
10. The production line of low-temperature hot melt adhesive according to claim 9, characterized in that: the conveying roller is matched with a pressing component for extruding the core layer and the supporting layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110273143.XA CN113214751A (en) | 2021-03-14 | 2021-03-14 | Low-temperature hot melt adhesive and preparation method and preparation production line thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110273143.XA CN113214751A (en) | 2021-03-14 | 2021-03-14 | Low-temperature hot melt adhesive and preparation method and preparation production line thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113214751A true CN113214751A (en) | 2021-08-06 |
Family
ID=77083674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110273143.XA Pending CN113214751A (en) | 2021-03-14 | 2021-03-14 | Low-temperature hot melt adhesive and preparation method and preparation production line thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113214751A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203048858U (en) * | 2012-08-09 | 2013-07-10 | 江门市蓬江区盈通塑胶制品有限公司 | High-water-resistance heat-seal adhesive tape with soft handfeel |
| CN203680943U (en) * | 2013-12-19 | 2014-07-02 | 童海慧 | Low-temperature counter and production equipment thereof |
| CN105400444A (en) * | 2015-12-09 | 2016-03-16 | 杭州锴越新材料有限公司 | Preparation method of high strength low temperature hot melt adhesive |
| CN206485013U (en) * | 2017-02-14 | 2017-09-12 | 东莞市松浦环保材料有限公司 | A kind of TPU compound nonwoven cloths |
| CN212171503U (en) * | 2020-01-17 | 2020-12-18 | 三门利通鞋材制造股份有限公司 | Environment-friendly hot melt adhesive chemical sheet |
-
2021
- 2021-03-14 CN CN202110273143.XA patent/CN113214751A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203048858U (en) * | 2012-08-09 | 2013-07-10 | 江门市蓬江区盈通塑胶制品有限公司 | High-water-resistance heat-seal adhesive tape with soft handfeel |
| CN203680943U (en) * | 2013-12-19 | 2014-07-02 | 童海慧 | Low-temperature counter and production equipment thereof |
| CN105400444A (en) * | 2015-12-09 | 2016-03-16 | 杭州锴越新材料有限公司 | Preparation method of high strength low temperature hot melt adhesive |
| CN206485013U (en) * | 2017-02-14 | 2017-09-12 | 东莞市松浦环保材料有限公司 | A kind of TPU compound nonwoven cloths |
| CN212171503U (en) * | 2020-01-17 | 2020-12-18 | 三门利通鞋材制造股份有限公司 | Environment-friendly hot melt adhesive chemical sheet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103496239B (en) | Special WVTR (water vapour transmission rate) breathable film and production process thereof | |
| CN102267251B (en) | Making method for seamless paper tube | |
| CN105058668A (en) | Method and equipment for producing double-color solid silica gel products | |
| CN103722861A (en) | Preparation method of PVC (Polyvinyl Chloride) sectional material with surface coated with metal film | |
| CN103753935A (en) | Composite metal plate process | |
| CN114905715A (en) | Preparation process and intelligent production equipment of biaxially oriented polypropylene dual-heat green protection film | |
| CN101402246B (en) | Process for producing doubling glass cement film, product and uses thereof | |
| CN113214751A (en) | Low-temperature hot melt adhesive and preparation method and preparation production line thereof | |
| CN102034892B (en) | Production technology of encapsulated ethane-vinyl acetate copolymer (EVA) adhesive film of solar battery | |
| CN111746082B (en) | Easily-cut and easily-adhered double-material hollow solar silicon wafer cutting lining plate and preparation method thereof | |
| CN106379027A (en) | Special equipment for production of steel-plastic composite wallboard and technology thereof | |
| CN103514978A (en) | Double-faced organic silicon polyimide film dry mica paper tape and preparation method thereof | |
| CN101722693A (en) | Heat-sealed aluminum-plated composite film for coating-free pearl cotton (EPE) | |
| CN101670745B (en) | Extruded acryl composite cloudy-color plate and manufacturing method thereof | |
| CN103722862B (en) | A kind of preparation method covering the PVC profile of metal film | |
| CN109130442B (en) | Integrated forming processing technology for pressing and pasting wood veneer by using film spraying and rolling technology | |
| CN112009053B (en) | Hot-melt sealing adhesive film and preparation method thereof | |
| CN110421942B (en) | Label film and preparation method thereof | |
| CN100516352C (en) | Method for producing polyurethane adhesive plaster | |
| CN102582082B (en) | Preparation method of ethylene-vinyl acetate copolymer (EVA) photographic film | |
| CN113183431A (en) | Preparation method of hot melt adhesive for shoes | |
| CN101875234A (en) | Preparation process of polypropylene diaphragm for pressure filter | |
| CN111993728A (en) | Carbon crystal veneer through glue-free hot pasting and processing technology thereof | |
| CN101786363A (en) | Production method of single-side low temperature aluminum-plastic compound belt | |
| CN204505790U (en) | The flexible calendered film preparation facilities of online precuring |
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: 20210806 |