CN114133914A - High-resilience thermoplastic elastomer adhesive and processing method thereof - Google Patents
High-resilience thermoplastic elastomer adhesive and processing method thereof Download PDFInfo
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- CN114133914A CN114133914A CN202111496797.5A CN202111496797A CN114133914A CN 114133914 A CN114133914 A CN 114133914A CN 202111496797 A CN202111496797 A CN 202111496797A CN 114133914 A CN114133914 A CN 114133914A
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- parts
- resilience
- thermoplastic elastomer
- tpe
- elastomer adhesive
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- 229920002725 thermoplastic elastomer Polymers 0.000 title claims abstract description 63
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 26
- 239000000853 adhesive Substances 0.000 title claims abstract description 24
- 238000003672 processing method Methods 0.000 title claims description 11
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 21
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 19
- 239000012188 paraffin wax Substances 0.000 claims abstract description 19
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 18
- 238000009775 high-speed stirring Methods 0.000 claims abstract description 16
- 238000004132 cross linking Methods 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000005453 pelletization Methods 0.000 claims abstract description 6
- 238000005303 weighing Methods 0.000 claims abstract description 6
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 3
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 229920001971 elastomer Polymers 0.000 description 5
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- BXOUVIIITJXIKB-UHFFFAOYSA-N ethene;styrene Chemical compound C=C.C=CC1=CC=CC=C1 BXOUVIIITJXIKB-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Images
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
- C09J201/00—Adhesives based on unspecified macromolecular compounds
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention is suitable for the technical field of TPE materials, and provides a high-resilience thermoplastic elastomer adhesive which comprises the following components: 60-70 parts of high-resilience TPE, 10-15 parts of modified diblock, 18-22 parts of EVA tackifying resin, 0.5-3 parts of crosslinking aid, 0.2-1 part of antioxidant and 0.5-3 parts of paraffin; the preparation method of the high-resilience thermoplastic elastomer adhesive comprises the following steps: weighing the materials according to a proportion formula by using a kilogram scale; putting the high-resilience TPE, the modified diblock and the EVA tackifying resin into a high-speed stirring pot, and then putting the cross-linking agent, the antioxidant and the paraffin into the high-speed stirring pot for mixing to form a premix; introducing the premix into a double-screw extruding machine, and extruding by the double-screw extruding machine; and finally, cooling and pelletizing. The high resilience thermoplastic elastomer adhesive has the characteristics of original TPE, is environment-friendly, non-toxic, safe, soft in touch feeling and the like, has higher viscosity and viscosity when being heated to about 170 degrees, and overcomes the defect that the TPE does not have viscosity.
Description
Technical Field
The invention belongs to the technical field of TPE materials, and particularly relates to a high-resilience thermoplastic elastomer adhesive and a processing method thereof.
Background
The thermoplastic elastomer TPE is an elastomer material which takes SEBS as a main substrate and has high elasticity and processability of rubber. TPE has the advantages of environmental protection, no toxicity, safety, soft touch feeling, excellent fatigue resistance and excellent temperature resistance.
Meanwhile, the processing performance is excellent, vulcanization is not needed, and the rubber can be recycled.
The performance of the TPE is determined by the microstructure of the TPE, and the TPE material does not contain unsaturated bonds in the structure and has stable properties, aging resistance and chemical resistance; the TPE material structure contains an ethylene-styrene rigid chain segment which is in a glass state at normal temperature and also contains a butadiene flexible chain segment which is in a high-elastic state at normal temperature, so that the material is comfortable and soft in touch and elasticity; the TPE material adopts direct injection moulding, and the processing is easy, and the cycle of shaping is short, and waste product retrieves easily, is the ideal material of replacing rubber and silica gel, and original technology processing temperature is high, and processing temperature 200 degrees still does not possess the adhesive property.
Disclosure of Invention
The invention provides a high-resilience thermoplastic elastomer adhesive and a processing method thereof, and aims to solve the problems that a TPE material is directly injection-molded, is easy to process, has a short molding period, is easy to recover waste products, is an ideal material for replacing rubber and silica gel, has high processing temperature and 200 ℃ in the prior art, and still has no adhesive property.
The invention is realized in such a way that the high-resilience thermoplastic elastomer adhesive comprises the following components: 60-70 parts of high-resilience TPE, 10-15 parts of modified diblock, 18-22 parts of EVA tackifying resin, 0.5-3 parts of crosslinking aid, 0.2-1 part of antioxidant and 0.5-3 parts of paraffin.
Preferably: 65 parts of high-resilience TPE, 12 parts of modified diblock, 20 parts of EVA tackifying resin, 1 part of crosslinking assistant, 0.5 part of antioxidant and 1 part of paraffin.
Wherein the high-resilience TPE has hardness of 18A, softening point of 130 degrees and melt index of 20 g.
Wherein the modified diblock is SB modified material with the temperature of 120 ℃ and the dissolved fat of 40 g.
The EVA tackifying resin is low in melting point, 90 ℃ and has 28% of VA content.
A processing method of a high-resilience thermoplastic elastomer adhesive comprises the following steps:
the method comprises the following steps: weighing the materials according to a proportion formula by using a kilogram scale;
step two: putting the high-resilience TPE, the modified diblock and the EVA tackifying resin into a high-speed stirring pot, and then putting the cross-linking agent, the antioxidant and the paraffin into the high-speed stirring pot for mixing to form a premix;
step three: introducing the premix into a double-screw extruding machine, and extruding by the double-screw extruding machine;
step four: and finally, cooling and pelletizing.
And in the second step, the high-resilience TPE, the modified diblock and the EVA tackifying resin are put into a high-speed stirring pot, after stirring and mixing uniformly, the cross-linking agent, the antioxidant and the paraffin are put into the high-speed stirring pot for mixing for 5 minutes to form a premix.
In step three, the plasticizing temperature used in the twin-screw extruder was 160 ℃.
Compared with the prior art, the invention has the beneficial effects that: according to the high-resilience thermoplastic elastomer adhesive and the processing method thereof, the high-resilience thermoplastic elastomer adhesive processed by the materials and the preparation method has various characteristics of the original TPE, is environment-friendly, non-toxic and safe, is soft in touch, has excellent fatigue resistance and temperature resistance, and overcomes the defect that the TPE does not have viscosity, so that the high-resilience thermoplastic elastomer adhesive has higher viscosity and viscosity when being heated to about 170 ℃.
Drawings
FIG. 1 is a schematic flow chart of the steps of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the present invention provides a technical solution:
a high resilience thermoplastic elastomer adhesive comprises the following components: 60-70 parts of high-resilience TPE, 10-15 parts of modified diblock, 18-22 parts of EVA tackifying resin, 0.5-3 parts of crosslinking aid, 0.2-1 part of antioxidant and 0.5-3 parts of paraffin.
Preferably: 65 parts of high-resilience TPE, 12 parts of modified diblock, 20 parts of EVA tackifying resin, 1 part of crosslinking assistant, 0.5 part of antioxidant and 1 part of paraffin.
Wherein the high resilience TPE is selected to have the hardness of 18A, the softening point of 130 degrees and the melt index of 20 grams. The material has good high resilience and aging resistance, the high resilience of the material can be effectively improved by taking the material as a base material, and the material has softer hand feeling due to the hardness of 18A.
Wherein the modified diblock is SB modified material with the temperature of 120 ℃ and the dissolved fat of 40 g. Improve the fluidity of the material.
Wherein the EVA tackifying resin is selected from low melting point, 90 ℃ and 28% of VA content. Lowering the melting point of the synthetic material and increasing the fluidity.
The crosslinking assistant is a modified material.
Antioxidants reduce the aging effect.
The paraffin has anti-sticking effect.
The high resilience thermoplastic elastomer gluing agent of this application both has possessed original TPE's various characteristics, and the nontoxic safety of environmental protection, the sense of touch is soft to and excellent fatigue resistance and temperature toleration, still have higher viscidity and stickness simultaneously heating about 170, overcome the TPE and do not possess the characteristic of viscidity.
The first embodiment is as follows:
a processing method of a high-resilience thermoplastic elastomer adhesive comprises the following steps:
weighing 60 parts of high-resilience TPE, 10 parts of modified diblock, 18 parts of EVA tackifying resin, 0.5 part of crosslinking assistant, 0.2 part of antioxidant and 0.5 part of paraffin by using a kilogram scale;
firstly, 60 parts of high-resilience TPE, 10 parts of modified diblock and 18 parts of EVA tackifying resin are put into a high-speed stirring pot, after the materials are stirred and mixed uniformly, 0.5 part of crosslinking assistant, 0.2 part of antioxidant and 0.5 part of paraffin are put into the high-speed stirring pot for mixing for 5 minutes to form a premix;
introducing the premix into a double-screw extruder, wherein the plasticizing temperature adopted by the double-screw extruder is 160 ℃, and extruding by the double-screw extruder;
and finally, cooling and pelletizing.
Example two:
a processing method of a high-resilience thermoplastic elastomer adhesive comprises the following steps:
weighing 65 parts of high-resilience TPE, 12 parts of modified diblock, 20 parts of EVA tackifying resin, 1 part of crosslinking assistant, 0.5 part of antioxidant and 1 part of paraffin by using a kilogram scale;
firstly, 65 parts of high-resilience TPE, 12 parts of modified diblock and 20 parts of EVA tackifying resin are put into a high-speed stirring pot, after the materials are stirred and mixed uniformly, 1 part of crosslinking assistant, 0.5 part of antioxidant and 1 part of paraffin are put into the high-speed stirring pot for mixing for 5 minutes to form a premix;
introducing the premix into a double-screw extruder, wherein the plasticizing temperature adopted by the double-screw extruder is 160 ℃, and extruding by the double-screw extruder;
and finally, cooling and pelletizing.
Example three:
a processing method of a high-resilience thermoplastic elastomer adhesive comprises the following steps:
weighing 70 parts of high-resilience TPE, 15 parts of modified diblock, 22 parts of EVA tackifying resin, 3 parts of crosslinking assistant, 1 part of antioxidant and 3 parts of paraffin by using a kilogram scale;
firstly, putting 70 parts of high-resilience and high-resilience TPE, 15 parts of modified diblock and 22 parts of EVA tackifying resin into a high-speed stirring pot, stirring and mixing uniformly, then putting 3 parts of crosslinking assistant, 1 part of antioxidant and 3 parts of paraffin into the high-speed stirring pot for mixing for 5 minutes to form a premix;
introducing the premix into a double-screw extruder, wherein the plasticizing temperature adopted by the double-screw extruder is 160 ℃, and extruding by the double-screw extruder;
and finally, cooling and pelletizing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The high-resilience thermoplastic elastomer adhesive is characterized in that: comprises the following components: 60-70 parts of high-resilience TPE, 10-15 parts of modified diblock, 18-22 parts of EVA tackifying resin, 0.5-3 parts of crosslinking aid, 0.2-1 part of antioxidant and 0.5-3 parts of paraffin.
2. The high resilience thermoplastic elastomer adhesive of claim 1, wherein: preferably: 65 parts of high-resilience TPE, 12 parts of modified diblock, 20 parts of EVA tackifying resin, 1 part of crosslinking assistant, 0.5 part of antioxidant and 1 part of paraffin.
3. The high resilience thermoplastic elastomer adhesive of claim 1, wherein: wherein the high-resilience TPE has hardness of 18A, softening point of 130 degrees and melt index of 20 g.
4. The high resilience thermoplastic elastomer adhesive of claim 1, wherein: wherein the modified diblock is SB modified material with the temperature of 120 ℃ and the dissolved fat of 40 g.
5. The high resilience thermoplastic elastomer adhesive of claim 1, wherein: the EVA tackifying resin is low in melting point, 90 ℃ and has 28% of VA content.
6. A method for processing a high resilience thermoplastic elastomer adhesive according to any one of claims 1 to 5, wherein the method comprises the following steps: the method comprises the following steps:
the method comprises the following steps: weighing the materials according to a proportion formula by using a kilogram scale;
step two: putting the high-resilience TPE, the modified diblock and the EVA tackifying resin into a high-speed stirring pot, and then putting the cross-linking agent, the antioxidant and the paraffin into the high-speed stirring pot for mixing to form a premix;
step three: introducing the premix into a double-screw extruding machine, and extruding by the double-screw extruding machine;
step four: and finally, cooling and pelletizing.
7. The processing method of the high resilience thermoplastic elastomer adhesive as claimed in claim 6, wherein: and in the second step, the high-resilience TPE, the modified diblock and the EVA tackifying resin are put into a high-speed stirring pot, after stirring and mixing uniformly, the cross-linking agent, the antioxidant and the paraffin are put into the high-speed stirring pot for mixing for 5 minutes to form a premix.
8. The processing method of the high resilience thermoplastic elastomer adhesive as claimed in claim 6, wherein: in step three, the plasticizing temperature used in the twin-screw extruder was 160 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111496797.5A CN114133914A (en) | 2021-12-09 | 2021-12-09 | High-resilience thermoplastic elastomer adhesive and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111496797.5A CN114133914A (en) | 2021-12-09 | 2021-12-09 | High-resilience thermoplastic elastomer adhesive and processing method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1768120A (en) * | 2003-02-21 | 2006-05-03 | 克雷顿聚合物研究公司 | Label stock with improved die-cutting performance |
| CN108611034A (en) * | 2018-04-21 | 2018-10-02 | 浙江精华科技有限公司 | Environmentally protective trademark adhesive and preparation method thereof |
| CN112680149A (en) * | 2020-12-18 | 2021-04-20 | 广东盈通新材料有限公司 | Hot melt adhesive and preparation method and application thereof |
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2021
- 2021-12-09 CN CN202111496797.5A patent/CN114133914A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1768120A (en) * | 2003-02-21 | 2006-05-03 | 克雷顿聚合物研究公司 | Label stock with improved die-cutting performance |
| CN108611034A (en) * | 2018-04-21 | 2018-10-02 | 浙江精华科技有限公司 | Environmentally protective trademark adhesive and preparation method thereof |
| CN112680149A (en) * | 2020-12-18 | 2021-04-20 | 广东盈通新材料有限公司 | Hot melt adhesive and preparation method and application thereof |
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Application publication date: 20220304 |
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