CN115287027A - Hot melt adhesive capable of being repeatedly adhered and not prone to residue and preparation method thereof - Google Patents
Hot melt adhesive capable of being repeatedly adhered and not prone to residue and preparation method thereof Download PDFInfo
- Publication number
- CN115287027A CN115287027A CN202210926403.3A CN202210926403A CN115287027A CN 115287027 A CN115287027 A CN 115287027A CN 202210926403 A CN202210926403 A CN 202210926403A CN 115287027 A CN115287027 A CN 115287027A
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- CN
- China
- Prior art keywords
- styrene
- block copolymer
- hot melt
- portions
- melt adhesive
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- 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.)
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Classifications
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- 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
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
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- 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
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- 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
- C09J157/00—Adhesives based on unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09J157/02—Copolymers of mineral oil hydrocarbons
-
- 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
- C09J191/00—Adhesives based on oils, fats or waxes; Adhesives based on derivatives thereof
- C09J191/06—Waxes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Abstract
The invention provides a hot melt adhesive which can be adhered for many times and is not easy to remain and a preparation method thereof, wherein the hot melt adhesive mainly comprises the following raw materials in parts by weight: 15 to 30 portions of styrene-butadiene-styrene block copolymer, 15 to 30 portions of styrene-isoprene-styrene block copolymer, 10 to 20 portions of styrene-ethylene-polybutylene-styrene block copolymer, 20 to 50 portions of hydrogenated petroleum resin, 10 to 30 portions of white mineral oil, 0.1 to 1.0 portion of hindered phenol antioxidant, 0.1 to 1.0 portion of phosphite antioxidant and 0.1 to 0.5 portion of ultraviolet absorbent. The hot melt adhesive has good initial viscosity and excellent peeling strength, can keep good performance in high-temperature and low-temperature environments, can be repeatedly adhered for use, and is not easy to remain after peeling.
Description
Technical Field
The invention relates to the technical field of hot melt adhesives, in particular to a hot melt adhesive which can be adhered for multiple times and is not easy to remain and a preparation method thereof.
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 product is solid, so the product is convenient to package, transport and store, and has no solvent, pollution or toxicity; and the production process is simple, the added value is high, the bonding strength is high, the speed is high, and the like.
The basic resin of the hot melt adhesive in the prior art is formed by copolymerizing ethylene and vinyl acetate at high temperature and high pressure, namely EVA resin. The resin is the main component for preparing the hot melt adhesive, and the proportion and the quality of the basic resin determine the basic properties (such as the adhesive capacity, the melting temperature and the adhesive strength of the adhesive) of the hot melt adhesive. The existing hot melt adhesive has poor reusability and is easy to have adhesive residue after being stripped.
Disclosure of Invention
In order to make up for the defects in the prior art, the invention provides the hot melt adhesive which can be pasted for many times and is not easy to remain, can keep equivalent viscosity after being pasted with planes made of various materials, can be repeatedly pasted for use for many times, and is not easy to have adhesive residue after being peeled off.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a hot melt adhesive capable of being pasted for multiple times and not prone to residue is mainly composed of the following raw materials in parts by weight: 15 to 30 portions of styrene-butadiene-styrene block copolymer, 15 to 30 portions of styrene-isoprene-styrene block copolymer, 10 to 20 portions of styrene-ethylene-polybutylene-styrene block copolymer, 20 to 50 portions of hydrogenated petroleum resin, 10 to 30 portions of white mineral oil, 0.1 to 1.0 portion of hindered phenol antioxidant, 0.1 to 1.0 portion of phosphite antioxidant and 0.1 to 0.5 portion of ultraviolet absorbent.
Further, the melt index of the styrene-butadiene-styrene block copolymer is 1-70 g/10min, and the content of styrene is 4-47%.
Further, the melt index of the styrene-isoprene-styrene block copolymer is 6-40 g/10min, and the content of styrene is 0-55%.
A preparation method of a hot melt adhesive which can be adhered for multiple times and is not easy to remain comprises the following steps:
s1, uniformly mixing a styrene-butadiene-styrene block copolymer, a styrene-isoprene-styrene block copolymer, a styrene-ethylene-polybutylene-styrene block copolymer, white mineral oil, a hindered phenol antioxidant, a phosphite antioxidant and an ultraviolet absorbent in proportion, heating to 120-160 ℃, vacuumizing, and continuously stirring until all components are completely melted;
s2, adding hydrogenated petroleum resin, keeping the temperature at 120-150 ℃ until the hydrogenated petroleum resin is completely melted, uniformly stirring, vacuumizing until no bubbles exist, and naturally cooling after glue is discharged to obtain the hot melt glue.
Compared with the prior art, the invention has the following beneficial technical effects:
the hot melt adhesive has good initial viscosity and excellent peeling strength, can keep good performance in high-temperature and low-temperature environments, can be repeatedly adhered for use, and is not easy to remain after peeling.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will readily appreciate without departing from the spirit and scope of the present invention.
TABLE 1 TABLES OF MULTI-PASS ADHESIVE AND NON-RESISTANT HOT MELT COMPONENTS OF EXAMPLES 1-4 (pbw)
| Example 1 | Example 2 | Example 3 | Example 4 | |
| SBS rubber | 30 | 15 | 15 | 15 |
| SIS rubber | 15 | 15 | 30 | 15 |
| SEBS rubber | 10 | 10 | 10 | 20 |
| Hydrogenated petroleum resin | 20 | 50 | 20 | 20 |
| White mineral oil | 22.5 | 9.7 | 22.5 | 29.7 |
| Hindered phenol antioxidants | 1.0 | 0.1 | 1.0 | 0.1 |
| Phosphite antioxidant | 1.0 | 0.1 | 1.0 | 0.1 |
| Ultraviolet absorber | 0.5 | 0.1 | 0.5 | 0.1 |
In the above table, the SBS rubber is a styrene-butadiene-styrene block copolymer, the melt index is 1-70 g/10min, the styrene content is 4-47%, and one or two of SBS792E, SBS791, SBS796 and SBS188E can be selected.
The SIS rubber is a styrene-isoprene-styrene block copolymer, the melt index of the copolymer is 6-40 g/10min, the content of styrene is 0-55%, and one or more of SIS1128, SIS1120, SIS1106, SIS4113, SIS1209, SIS1300 and SIS1105 can be selected.
The SEBS rubber is an ethylene-isoprene-styrene block copolymer, and can be one of the types 501, 502 and 503.
The hydrogenated petroleum resin is one or two of hydrogenated C5 petroleum resin and hydrogenated C9 petroleum resin.
The preparation method of the hot melt adhesive of the embodiments 1 to 4, which can be pasted for many times and is not easy to remain, comprises the following steps:
s1, uniformly mixing a styrene-butadiene-styrene block copolymer, a styrene-isoprene-styrene block copolymer, a styrene-ethylene-polybutylene-styrene block copolymer, white mineral oil, a hindered phenol antioxidant, a phosphite antioxidant and an ultraviolet absorbent in proportion, heating to 120-160 ℃, vacuumizing, and continuously stirring until all components are completely melted;
s2, adding hydrogenated petroleum resin, keeping the temperature at 120-150 ℃ until the hydrogenated petroleum resin is completely melted, uniformly stirring, vacuumizing until no bubbles exist, and naturally cooling after glue is discharged to obtain the hot melt glue.
Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can modify the technical solutions described in the foregoing embodiments or substitute part of the technical features of the embodiments, but the modifications, the equivalents, the improvements and the like, which are within the spirit and the principle of the present invention, should be included in the protection scope of the present invention.
Claims (4)
1. The hot melt adhesive capable of being adhered for multiple times and not prone to residue is characterized by mainly comprising the following raw materials in parts by weight: 15 to 30 portions of styrene-butadiene-styrene block copolymer, 15 to 30 portions of styrene-isoprene-styrene block copolymer, 10 to 20 portions of styrene-ethylene-polybutylene-styrene block copolymer, 20 to 50 portions of hydrogenated petroleum resin, 10 to 30 portions of white mineral oil, 0.1 to 1.0 portion of hindered phenol antioxidant, 0.1 to 1.0 portion of phosphite antioxidant and 0.1 to 0.5 portion of ultraviolet absorbent.
2. The hot melt adhesive capable of being pasted for multiple times and not prone to residue as claimed in claim 1, is characterized in that: the melt index of the styrene-butadiene-styrene block copolymer is 1-70 g/10min, and the content of styrene is 4-47%.
3. The hot melt adhesive capable of being adhered for multiple times and not prone to residue as claimed in claim 2, wherein: the melt index of the styrene-isoprene-styrene block copolymer is 6-40 g/10min, and the content of styrene is 0-55%.
4. A preparation method of a hot melt adhesive which can be pasted for multiple times and is not easy to remain is characterized by comprising the following steps:
s1, uniformly mixing a styrene-butadiene-styrene block copolymer, a styrene-isoprene-styrene block copolymer, a styrene-ethylene-polybutylene-styrene block copolymer, white mineral oil, a hindered phenol antioxidant, a phosphite antioxidant and an ultraviolet absorbent in proportion, heating to 120-160 ℃, vacuumizing, and continuously stirring until all components are completely melted;
s2, adding hydrogenated petroleum resin, keeping the temperature at 120-150 ℃ until the hydrogenated petroleum resin is completely melted, uniformly stirring, vacuumizing until no bubbles exist, and naturally cooling after glue is discharged to obtain the hot melt glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210926403.3A CN115287027A (en) | 2022-08-03 | 2022-08-03 | Hot melt adhesive capable of being repeatedly adhered and not prone to residue and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210926403.3A CN115287027A (en) | 2022-08-03 | 2022-08-03 | Hot melt adhesive capable of being repeatedly adhered and not prone to residue and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115287027A true CN115287027A (en) | 2022-11-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210926403.3A Withdrawn CN115287027A (en) | 2022-08-03 | 2022-08-03 | Hot melt adhesive capable of being repeatedly adhered and not prone to residue and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115287027A (en) |
-
2022
- 2022-08-03 CN CN202210926403.3A patent/CN115287027A/en not_active Withdrawn
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20221104 |
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| WW01 | Invention patent application withdrawn after publication |