CN112341967A - Pressure-sensitive adhesive applied to polyvinyl chloride film and preparation method and application thereof - Google Patents
Pressure-sensitive adhesive applied to polyvinyl chloride film and preparation method and application thereof Download PDFInfo
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- CN112341967A CN112341967A CN202011303482.XA CN202011303482A CN112341967A CN 112341967 A CN112341967 A CN 112341967A CN 202011303482 A CN202011303482 A CN 202011303482A CN 112341967 A CN112341967 A CN 112341967A
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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
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/245—Vinyl resins, e.g. polyvinyl chloride [PVC]
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/387—Block-copolymers
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to a pressure-sensitive adhesive applied to a polyvinyl chloride film, and a preparation method and application thereof. The invention provides a rubber system hot-melt pressure-sensitive adhesive applied to a polyvinyl chloride film, and a preparation method and application thereof. The rubber system hot-melt pressure-sensitive adhesive is mainly prepared from a block copolymer thermoplastic elastomer, a plasticizer, tackifying resin, pure C9 monomer resin and an antioxidant in specific parts by mass; the rubber system hot-melt pressure-sensitive adhesive can be coated at the temperature of 150-160 ℃, has good plasticizer resistance and strong initial adhesion, and is particularly suitable for preparing soft electrical insulation PVC adhesive tapes. The preparation method of the rubber system hot-melt pressure-sensitive adhesive has simple process and high production efficiency, and is suitable for large-scale production.
Description
The application is a divisional application, the application date of the original application is 2016, 6, and 24, the application number is 2016104638805, and the name of the invention is "pressure-sensitive adhesive applied to polyvinyl chloride film, and the preparation method and the application thereof".
Technical Field
The invention relates to the technical field of adhesives, in particular to a rubber system hot-melt pressure-sensitive adhesive applied to a polyvinyl chloride film, and a preparation method and application thereof.
Background
The adhesive (English name) is also called adhesive, commonly called "glue". It is a substance that connects two materials together by adhesive and cohesive strength at the interface, does not significantly change the structure of the adherend, and gives sufficient strength to the bonded surface. The bonding of interface uses the adhesive to overcome the stress concentration phenomenon during welding or riveting, and the bonding has the characteristics of good shock resistance, fatigue resistance, uniform stress distribution, good sealing performance and the like. The adhesive can replace welding, riveting, bolts and other mechanical connection in many fields, is suitable for bonding special-shaped and complex components, is also suitable for bonding sheet materials and small-sized elements, and is widely applied to the adhesive and bonding technology in the fields of space navigation, transportation, instruments and meters, electronic and electric products, textiles, buildings, wood processing, medical appliances, mechanical manufacturing, articles for daily use and the like.
At present, industrial polyvinyl chloride tape products are all prepared by directly coating a polyvinyl chloride film with a solvent-based rubber pressure-sensitive adhesive. Solvent-based rubber pressure-sensitive adhesives contain a large amount of organic solvent, typically toluene. In the coating process, the organic solvent is partially volatilized to the atmosphere to cause environmental pollution. The obtained polyvinyl chloride adhesive tape also contains solvent residues, and the residual solvent can be slowly released in the using process to pollute the using environment, such as the indoor environment of an automobile. The requirements of the directive < < about the use of certain substances in the electronic and electrical industry (the ROHS directive), issued by the european union committee, cannot be met at all. And the energy consumption of the coating process of the solvent-based rubber pressure-sensitive adhesive is higher, and the floor area of coating equipment is larger, so the production cost is higher. The 100% solid content hot melt adhesive has the characteristics of environmental protection, small occupied area of equipment, low energy consumption and the like.
In addition, the polyvinyl chloride adhesive tape product prepared by the existing adhesive has poor cohesion and poor plasticizer migration resistance, and is easy to overflow and warp in actual use, so that the requirement of long-term stable use cannot be met.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The first purpose of the invention is to provide a rubber system hot melt pressure sensitive adhesive which has the advantages of specific initial adhesive performance, good plasticizer resistance and the like.
The second purpose of the invention is to provide a preparation method of the rubber system hot-melt pressure-sensitive adhesive, which has simple process and high production efficiency and is suitable for large-scale production.
The third purpose of the invention is to provide the application of the rubber system hot-melt pressure-sensitive adhesive, and the rubber system hot-melt pressure-sensitive adhesive is suitable for preparing the soft electrical insulation PVC adhesive tape.
In order to achieve the above purpose of the present invention, the following technical solutions are adopted:
a rubber system hot-melt pressure-sensitive adhesive is mainly prepared from the following components in parts by mass:
20-50 parts of block copolymer thermoplastic elastomer, 10-30 parts of plasticizer, 20-60 parts of tackifying resin, 1-10 parts of pure C9 monomer resin and 0.1-2 parts of antioxidant.
Preferably, the rubber system hot melt pressure sensitive adhesive is mainly prepared from the following components in parts by mass:
30-40 parts of block copolymer thermoplastic elastomer, 15-25 parts of plasticizer, 30-50 parts of tackifying resin, 3-7 parts of pure C9 monomer resin and 0.5-1.5 parts of antioxidant;
further preferably, the composition is mainly prepared from the following components in parts by mass:
35 parts of block copolymer thermoplastic elastomer, 19 parts of plasticizer, 40 parts of tackifying resin, 5 parts of pure C9 monomer resin and 1 part of antioxidant.
The invention provides a rubber system hot-melt pressure-sensitive adhesive which is mainly prepared from a block copolymer thermoplastic elastomer, a plasticizer, tackifying resin, pure C9 monomer resin and an antioxidant in specific parts by mass; the rubber system hot-melt pressure-sensitive adhesive has good initial adhesion and plasticizer resistance, and is particularly suitable for flexible electrical insulation PVC adhesive tapes.
Preferably, the block copolymer thermoplastic elastomer comprises one or more of SIS and SBS, SEBS, and further preferably comprises one or two of SIS with star structure and SBS with star structure.
Further preferably, the star-structured SIS includes one or both of Quintac 3450 and Vector 4230; the SBS in a star configuration includes Solprene S9618.
The invention adopts the specific block copolymer thermoplastic elastomer, which is beneficial to reducing the viscosity of the adhesive on the premise of ensuring the cohesive force, so that the adhesive can be coated at the temperature of 150-160 ℃ without damaging the PVC film.
Preferably, the pure C9 monomer resin includes a pure C9 monomer resin having a softening point greater than 110 degrees.
The high-softening-point pure C9 monomer resin has high viscosity and good high-temperature resistance, can effectively improve the high-temperature resistance of the obtained rubber system hot-melt pressure-sensitive adhesive, further improves the high-temperature resistance of the prepared PVC adhesive tape, and enables the PVC adhesive tape to be stably used for a long time.
Preferably, Plastolyn 290 is included in the pure C9 monomer resin.
The rubber system hot-melt pressure-sensitive adhesive disclosed by the invention uses the pure C9 monomer resin with a high softening point and a specific dosage and components, can strengthen the styrene block in the star-structured SIS or star-structured SBS, and achieves the effect of improving the cohesive force.
Preferably, the plasticizer comprises one or more of aliphatic dibasic acid ester plasticizer, phthalate plasticizer, benzene polyacid ester plasticizer, benzoate plasticizer, polyol ester plasticizer, chlorinated hydrocarbon plasticizer, epoxy plasticizer, citric acid ester plasticizer and polyester plasticizer; preferably comprises one or more of phthalate plasticizer, benzene polyacid ester plasticizer and benzoate plasticizer; further preferred include one or more of di (2-ethylhexyl) phthalate, dioctyl phthalate (DOP), di-n-octyl phthalate di-sec-octyl phthalate, diisononyl phthalate (DINP), diisodecyl phthalate.
The plasticizer with specific dosage and components is used in the rubber system hot-melt pressure-sensitive adhesive, so that the plasticizer migration resistance of the adhesive can be effectively improved, the adhesive can be stably used for a long time, and the plasticizer with the same components as those in a coated PVC film is preferably adopted, so that the plasticizer migration resistance is improved in a targeted manner.
Preferably, the tackifying resin comprises one or more of a petroleum resin, a rosin resin, a terpene resin and a phenolic resin, and further preferably comprises a hydrogenated petroleum resin.
Preferably, the hydrogenated petroleum resin comprises Regalite R1090.
The hot-melt pressure-sensitive adhesive of the rubber system uses tackifying resin with specific dosage and components, has good compatibility, can effectively improve the initial adhesive property and water resistance of the adhesive, and is suitable for preparing soft electrical insulation PVC adhesive tapes.
Preferably, the antioxidant comprises one or more of aromatic amine antioxidant, hindered phenol antioxidant and auxiliary antioxidant.
Further preferably, the aromatic amine antioxidant comprises one or more of diphenylamine, p-phenylenediamine and dihydroquinoline compounds, and derivatives and polymers thereof; the hindered phenol antioxidant comprises one or more of 2, 6-tertiary butyl-4-methylphenol, bis (3, 5-tertiary butyl-4-hydroxyphenyl) thioether and tetra (beta- (3, 5-tertiary butyl-4-hydroxyphenyl) propionic acid) pentaerythritol ester; the auxiliary antioxidant comprises one or more of thiodipropionic acid diester and phosphite ester.
Further preferably, the thiodipropionic acid diester comprises one or more of thiodipropionic acid behenyl alcohol ester, thiodipropionic acid dimyristyl alcohol ester and thiodipropionic acid dioctadecyl alcohol ester; the phosphite ester comprises one or more of trioctyl phosphite, tridecyl phosphite, tridodecyl phosphite and trihexadecyl phosphite.
The rubber system hot melt pressure sensitive adhesive uses the antioxidant with specific dosage and components, has high antioxidant capacity, good compatibility with other raw material components, no precipitation and good processability, is non-volatile and non-degradable at processing temperature, has good extraction resistance, is insoluble in water and oil, can effectively delay the oxidative degradation of the rubber system hot melt pressure sensitive adhesive, and prolongs the service life.
According to the preparation method of the rubber system hot-melt pressure-sensitive adhesive, the raw material block copolymer thermoplastic elastomer, the plasticizer, the tackifying resin, the pure C9 monomer resin and the antioxidant are stirred, heated, melted and uniformly mixed according to the proportion to obtain the rubber system hot-melt pressure-sensitive adhesive.
The preparation method of the rubber system hot-melt pressure-sensitive adhesive has simple process and high production efficiency, and is suitable for large-scale production.
The application of the rubber system hot-melt pressure-sensitive adhesive is suitable for preparing an electric insulation PVC adhesive tape.
The rubber system hot-melt pressure-sensitive adhesive prepared by adopting the raw materials with specific dosage and components can be coated at the temperature of 150-160 ℃, has good plasticizer resistance and strong initial adhesion, and is particularly suitable for preparing the soft electrical insulation PVC adhesive tape.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a rubber system hot-melt pressure-sensitive adhesive, which is mainly prepared from a block copolymer thermoplastic elastomer, a plasticizer, tackifying resin and a pure C9 monomer resin antioxidant in a specific mass part; the rubber system hot-melt pressure-sensitive adhesive has excellent plasticizer resistance and strong initial viscosity, and is particularly suitable for flexible electric insulation PVC adhesive tapes. The preparation method of the rubber system hot-melt pressure-sensitive adhesive has simple process and high production efficiency, and is suitable for large-scale production.
The rubber system hot-melt pressure-sensitive adhesive prepared by adopting the raw materials with specific dosage and components can be coated at the temperature of 150-160 ℃, has good plasticizer resistance and strong initial adhesion, and is particularly suitable for preparing the soft electrical insulation PVC adhesive tape.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following detailed description, but those skilled in the art will understand that the following described examples are some, not all, of the examples of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. 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 examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
Example 1
A preparation method of a rubber system hot melt pressure sensitive adhesive comprises the following steps of stirring, heating, melting and uniformly mixing 35 parts of Quintac 3450 (star-structured SIS), 15 parts of DOP, 44 parts of Regalite R1090, 5 parts of plastolyn 290 and 1 part of antioxidant 1010 in parts by mass to obtain the rubber system hot melt pressure sensitive adhesive.
Example 2
A preparation method of a rubber system hot melt pressure sensitive adhesive comprises the following steps of heating, melting and uniformly mixing 35 parts of Vector 4230 (star-structured SIS), 15 parts of DOP, 44 parts of Regalite R1090, 5 parts of plastolyn 290 and 1 part of antioxidant 1010 in parts by mass to obtain the rubber system hot melt pressure sensitive adhesive.
Example 3
A preparation method of a rubber system hot melt pressure sensitive adhesive comprises the following steps of stirring, heating, melting and uniformly mixing 35 parts of Solprene S9618 (Dynasol, SBS in a star structure), 15 parts of DOP, 44 parts of Regalite R1090, 5 parts of plastolyn 290 and 1 part of antioxidant 1010 in parts by mass to obtain the rubber system hot melt pressure sensitive adhesive.
Example 4
A preparation method of a rubber system hot melt pressure sensitive adhesive comprises the following steps of stirring, heating, melting and uniformly mixing 35 parts of Quintac 3450 (star-structured SIS), 15 parts of DINP, 44 parts of Regalite R1090, 5 parts of plastolyn 290 and 1 part of antioxidant 1010 in parts by mass to obtain the rubber system hot melt pressure sensitive adhesive.
Example 5
A preparation method of a rubber system hot melt pressure sensitive adhesive comprises the following steps of heating, melting and uniformly mixing 35 parts of Vector 4230 (star-structured SIS), 15 parts of DINP, 44 parts of Regalite R1090, 5 parts of plastolyn 290 and 1 part of antioxidant 1010 in parts by mass to obtain the rubber system hot melt pressure sensitive adhesive.
Example 6
A preparation method of a rubber system hot-melt pressure-sensitive adhesive comprises the following steps of stirring, heating, melting and uniformly mixing 35 parts of Solprene S9618 (Dynasol, SBS in a star structure), 15 parts of DINP, 44 parts of Regalite R1090, 5 parts of plastolyn 290 and 1 part of antioxidant 1010 in parts by mass to obtain the rubber system hot-melt pressure-sensitive adhesive.
Example 7
A preparation method of a rubber system hot melt pressure sensitive adhesive comprises the following steps of stirring, heating, melting and uniformly mixing 35 parts of Quintac 3450 (star-structured SIS), 15 parts of DINP, 44 parts of Regalite R1090, 5 parts of plastolyn 290 and 1 part of antioxidant 1010 in parts by mass to obtain the rubber system hot melt pressure sensitive adhesive.
Comparative example 1
A preparation method of a rubber system hot melt pressure sensitive adhesive comprises the following steps of heating, melting and uniformly mixing 35 parts of Quintac 3450 (star-structured SIS), 15 parts of DOP, 49 parts of Regalite R1090 and 1 part of antioxidant 1010 by mass to obtain the rubber system hot melt pressure sensitive adhesive.
Comparative example 2
A preparation method of a rubber system hot melt pressure sensitive adhesive comprises the following steps of uniformly mixing, by mass, 35 parts of Quintac 3450 (star-structured SIS), 15KN4010 (naphthenic rubber oil), 44 parts of Regalite R1090, 5 parts of plastolyn 290 and 1 part of antioxidant 1010 to obtain the rubber system hot melt pressure sensitive adhesive.
Comparative example 3
The polyvinyl chloride adhesive tape for the automobile wire harness, which is commonly used in the industry at present, is named as Huaxia adhesive tape UD110 (a polyvinyl chloride adhesive tape for the automobile wire harness, produced by Huaxia industries, Inc. of Hebei), the used glue is a solvent type rubber system, and the used polyvinyl chloride film belongs to a polyvinyl chloride film containing a DOP plasticizer.
Examples of the experiments
The rubber system hot-melt pressure-sensitive adhesive obtained in examples 1-7 and comparative examples 1-2 of the invention and the rubber system hot-melt pressure-sensitive adhesive obtained in comparative examples 1-2 are respectively coated on a PVC film with the thickness of 0.15 mm at 160 ℃ to prepare the soft electrical insulation PVC adhesive tape with the adhesive layer thickness of 20 microns, and the specific method is completed by adopting a slit type extrusion and coating process on a hot-melt coating machine. And mounting the high-temperature-resistant polyvinyl chloride film substrate on an unwinding shaft, and leading out the high-temperature-resistant polyvinyl chloride film substrate to a winding shaft. Setting the temperature of the glue melting box at 160 ℃, setting the temperature of the coating head at 160 ℃, and adjusting the ratio of the rotating speed of the glue pump to the speed of the host machine according to the weight of the glued glue. And setting winding tension and unwinding tension, and opening the cooling device. The speed of the host machine is adjusted, the coating head slowly leans against the polyvinyl chloride film surface, the glue pump switch is turned on for coating, the gap distance between the coating head and the base material is adjusted, the speed of the coating machine is adjusted for coating, and the coating amount of the hot melt pressure sensitive adhesive adopted by the invention is 20 g/square meter.
The soft electrical insulation PVC adhesive tape obtained is detected, the obtained results are shown in Table 1, and the initial adhesion, 180 DEG peeling strength and low-speed unwinding strength of the soft electrical insulation PVC adhesive tape in the Table 1 are respectively measured according to the methods of Chinese national standards GB/T4852-1984, GB/T8451-1998, GB/T2792-1998 and GB/T4850-1984; the test method for temperature stability is as follows: after winding the wire harness by using the soft electrical insulation PVC adhesive tape, aging the wire harness for 24 hours at 85 ℃, observing whether the edge of the wire harness is warped by the adhesive tape, loosened by the adhesive tape and overflowed by the adhesive liquid after aging, and taking the condition that the adhesive tape is not warped, loosened and overflowed as qualified; plasticizer resistance test method: the soft electric insulation PVC adhesive tape (the width is 19-25mm) wound on a paper core (the outer diameter is 36mm, the wall thickness of the paper core is 3-4mm) is at least 10 meters in length, and after aging is carried out for 72 hours at 60 ℃, the adhesive tape has good plasticizer resistance when the section of the adhesive tape is not subjected to glue overflow, the adhesive tape is common when slight glue overflow is caused, and the adhesive tape is poor when severe glue overflow is caused;
TABLE 1 test results of flexible electrical insulation PVC tapes prepared with the rubber system hot melt pressure sensitive adhesive of the present invention
As can be seen from table 1, the flexible electrical insulation PVC tape prepared by using the rubber system hot melt pressure sensitive adhesive of the present invention has excellent initial adhesion performance and peel strength, and in addition, the flexible electrical insulation PVC tape prepared by using the rubber system hot melt pressure sensitive adhesive of the present invention has good temperature stability; in contrast, the soft electrical insulation PVC tape prepared by using the rubber system hot melt pressure sensitive adhesive of comparative example 1 has adhesive overflow and edge warping due to poor cohesion. The soft electrical insulation PVC adhesive tape prepared by the rubber system hot-melt pressure-sensitive adhesive of the comparative example 2 has poor plasticizer migration resistance, so that the adhesive overflows and the edge warping is serious. Comparative example 3 is a mature product with higher market share of Hebei China industry Co Ltd, and all data of the invention are superior to the product.
The invention provides a rubber system hot-melt pressure-sensitive adhesive, which is mainly prepared from a block copolymer thermoplastic elastomer, a plasticizer, tackifying resin, high-softening-point pure C9 monomer resin and an antioxidant in specific parts by mass; the rubber system hot-melt pressure-sensitive adhesive has excellent initial adhesive performance, can be coated at the temperature of 150-160 ℃, and is particularly suitable for soft electrical insulation PVC tapes. .
The preparation method of the rubber system hot-melt pressure-sensitive adhesive has simple process and high production efficiency, and is suitable for large-scale production.
While particular embodiments of the present invention have been illustrated and described, it will be appreciated that the above embodiments are merely illustrative of the technical solution of the present invention and are not restrictive; those of ordinary skill in the art will understand that: modifications may be made to the above-described embodiments, or equivalents may be substituted for some or all of the features thereof without departing from the spirit and scope of the present invention; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; it is therefore intended to cover in the appended claims all such alternatives and modifications that are within the scope of the invention.
Claims (15)
1. The hot-melt pressure-sensitive adhesive of the rubber system is characterized by being prepared from the following components in parts by mass: 20-50 parts of block copolymer thermoplastic elastomer, 10-30 parts of plasticizer, 20-60 parts of tackifying resin, 1-10 parts of pure C9 monomer resin and 0.1-2 parts of antioxidant.
2. The rubber system hot melt pressure sensitive adhesive as claimed in claim 1, which is prepared from the following components in parts by mass: 30-40 parts of block copolymer thermoplastic elastomer, 15-25 parts of plasticizer, 30-50 parts of tackifying resin, 3-8 parts of pure C9 monomer resin and 0.5-1.5 parts of antioxidant.
3. The rubber-system hot melt pressure sensitive adhesive of claim 1, wherein the block copolymer thermoplastic elastomer comprises one or more of SIS and SBS, SEBS.
4. A rubber system hot melt pressure sensitive adhesive according to claim 1, wherein the plasticizer comprises one or more of aliphatic dibasic acid ester plasticizers, phthalate plasticizers, benzene polyacid ester plasticizers, benzoate plasticizers, polyol ester plasticizers, chlorinated hydrocarbon plasticizers, epoxy plasticizers, citrate ester plasticizers, polyester plasticizers.
5. The rubber-system hot melt pressure sensitive adhesive of claim 1, wherein the tackifying resin comprises one or more of petroleum resins, rosin resins, terpene resins, and phenolic resins.
6. The rubber-system hot melt pressure sensitive adhesive of claim 1, wherein the neat C9 monomer resin comprises a neat C9 monomer resin having a softening point greater than 110 degrees.
7. The rubber-based hot melt pressure sensitive adhesive of claim 1, wherein the antioxidant comprises one or more of an aromatic amine antioxidant, a hindered phenol antioxidant, and an auxiliary antioxidant.
8. The rubber-system hot melt pressure sensitive adhesive of claim 7, wherein the aromatic amine antioxidant comprises one or more of diphenylamine, p-phenylenediamine, and dihydroquinoline compounds, and derivatives and polymers thereof; the hindered phenol antioxidant comprises one or more of 2, 6-tertiary butyl-4-methylphenol, bis (3, 5-tertiary butyl-4-hydroxyphenyl) thioether and tetra (beta- (3, 5-tertiary butyl-4-hydroxyphenyl) propionic acid) pentaerythritol ester; the auxiliary antioxidant comprises one or more of thiodipropionic acid diester and phosphite ester.
9. The rubber system hot melt pressure sensitive adhesive as claimed in claim 2, which is prepared from the following components in parts by mass:
35 parts of block copolymer thermoplastic elastomer, 19 parts of plasticizer, 40 parts of tackifying resin, 5 parts of pure C9 monomer resin and 1 part of antioxidant.
10. The rubber-system hot melt pressure sensitive adhesive according to claim 3, wherein the block copolymer thermoplastic elastomer comprises one or both of star-structured SIS and star-structured SBS.
11. The rubber-system hot melt pressure sensitive adhesive of claim 4, wherein the plasticizer comprises one or more of a phthalate plasticizer, and a benzoate plasticizer.
12. The rubber-system hot melt pressure sensitive adhesive according to claim 4, wherein the plasticizer further comprises one or more of di (2-ethylhexyl) phthalate, dioctyl phthalate, di-n-octyl phthalate, di-sec-octyl phthalate, diisononyl phthalate, diisodecyl phthalate.
13. The rubber-system hot melt pressure sensitive adhesive of claim 5, wherein the tackifying resin comprises a hydrogenated petroleum resin.
14. The method for preparing a rubber system hot melt pressure sensitive adhesive according to any one of claims 1 to 13, wherein the raw material block copolymer thermoplastic elastomer, the plasticizer, the tackifying resin, the pure C9 monomer resin and the antioxidant are stirred, heated, melted and mixed uniformly according to the proportion to obtain the rubber system hot melt pressure sensitive adhesive.
15. Use of a rubber system hot melt pressure sensitive adhesive according to any one of claims 1 to 13 for the preparation of an electrically insulating PVC tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011303482.XA CN112341967A (en) | 2016-06-24 | 2016-06-24 | Pressure-sensitive adhesive applied to polyvinyl chloride film and preparation method and application thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011303482.XA CN112341967A (en) | 2016-06-24 | 2016-06-24 | Pressure-sensitive adhesive applied to polyvinyl chloride film and preparation method and application thereof |
| CN201610463880.5A CN106085308A (en) | 2016-06-24 | 2016-06-24 | Pressure-sensitive cement being applied on polyvinyl chloride film and preparation method thereof and purposes |
Related Parent Applications (1)
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| CN201610463880.5A Division CN106085308A (en) | 2016-06-24 | 2016-06-24 | Pressure-sensitive cement being applied on polyvinyl chloride film and preparation method thereof and purposes |
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| CN110437778A (en) * | 2019-09-20 | 2019-11-12 | 淄博鲁华泓锦新材料股份有限公司 | Adhesive tape hot-fusible pressure-sensitive adhesive and preparation method thereof |
| CN111548758A (en) * | 2020-05-19 | 2020-08-18 | 上海嘉好胶粘制品有限公司 | Special hot-melt pressure-sensitive adhesive for low-temperature waterproof coiled material butt-joint adhesive tape and preparation method thereof |
| CN112126389B (en) * | 2020-09-28 | 2022-04-29 | 英创新材料(绍兴)有限公司 | Plasticizer migration resistant aqueous pressure-sensitive adhesive and preparation method thereof |
| CN114350290B (en) * | 2022-01-10 | 2023-01-20 | 广州鹿山新材料股份有限公司 | Low-temperature-resistant glue and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1117297A (en) * | 1993-02-05 | 1996-02-21 | 美国3M公司 | Adhesive compositions with improved plasticizer resistance |
| CN105121583A (en) * | 2013-04-23 | 2015-12-02 | 汉高股份有限及两合公司 | Hot-melt adhesive agent |
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| US20050182194A1 (en) * | 2004-02-13 | 2005-08-18 | Qiwei He | Adhesive containing radial block copolymer |
| US7655720B2 (en) * | 2004-02-13 | 2010-02-02 | Henkel Ag & Co. Kgaa | Adhesive containing radial block copolymer |
| US7816448B2 (en) * | 2006-09-19 | 2010-10-19 | H.B. Fuller Company | High shear pressure sensitive adhesive composition |
| EP2178974B1 (en) * | 2007-08-17 | 2013-11-27 | Henkel AG & Co. KGaA | Hot melt adhesives containing styrene butadiene block copolymer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1117297A (en) * | 1993-02-05 | 1996-02-21 | 美国3M公司 | Adhesive compositions with improved plasticizer resistance |
| CN105121583A (en) * | 2013-04-23 | 2015-12-02 | 汉高股份有限及两合公司 | Hot-melt adhesive agent |
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