CN112646518A - Heat-resistant and cold-resistant outdoor pressure-sensitive adhesive and pressure-sensitive adhesive tape thereof - Google Patents
Heat-resistant and cold-resistant outdoor pressure-sensitive adhesive and pressure-sensitive adhesive tape thereof Download PDFInfo
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- CN112646518A CN112646518A CN202011393421.7A CN202011393421A CN112646518A CN 112646518 A CN112646518 A CN 112646518A CN 202011393421 A CN202011393421 A CN 202011393421A CN 112646518 A CN112646518 A CN 112646518A
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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
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/003—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
- B01F31/443—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement performing a superposed additional movement other than oscillation, vibration or shaking
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
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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
- C09J7/30—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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/36—Mixing of ingredients for adhesives or glues; Mixing adhesives and gas
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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
- 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
- C09J2451/00—Presence of graft polymer
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention belongs to the field of pressure-sensitive adhesive, and particularly discloses a heat-resistant and cold-resistant outdoor pressure-sensitive adhesive and a pressure-sensitive adhesive tape thereof, wherein the pressure-sensitive adhesive comprises the following components in parts by weight: 42-65 parts of modified natural rubber, 1-5 parts of a cross-linking agent, 8-15 parts of a heat-resistant monomer, 3-6 parts of toluene, 4-7 parts of polyol acrylate, 12-26 parts of an auxiliary material, 2-4 parts of benzoyl peroxide and 0.6-2 parts of a catalyst. The pressure-sensitive adhesive and the pressure-sensitive adhesive tape prepared by the invention can realize better heat-resistant and cold-resistant effects, and simultaneously have the advantages of high strength, excellent comprehensive performance, simple and convenient preparation method and easy realization.
Description
Technical Field
The invention relates to the field of pressure-sensitive adhesives, in particular to a heat-resistant and cold-resistant outdoor pressure-sensitive adhesive and a pressure-sensitive adhesive tape thereof.
Background
The pressure-sensitive adhesive is called pressure-sensitive adhesive, adhesive sticker and pressure-sensitive adhesive for short. The pressure-sensitive adhesive products comprise three categories of pressure-sensitive adhesive tapes, pressure-sensitive adhesive label paper and pressure-sensitive adhesive films. They are called pressure-sensitive adhesive tape, pressure-sensitive adhesive label paper, pressure-sensitive adhesive sheet, adhesive tape, pressure-sensitive adhesive label paper, and pressure-sensitive adhesive sheet. This component has been adjusted to achieve better product performance. Because the pressure-sensitive adhesive tape has the characteristics of convenient use, cleanness, good processing size and the like, the pressure-sensitive adhesive tape is widely applied to the fields of printing plate attachment, electronic industry processing and the like.
The existing pressure-sensitive adhesive tape is basically emulsion type, has poor water resistance, is not suitable for outdoor rain and snow environment application, has insufficient low-temperature resistance, and cannot realize heat resistance and cold resistance at the same time.
Disclosure of Invention
The invention aims to provide a heat-resistant and cold-resistant outdoor pressure-sensitive adhesive and a pressure-sensitive adhesive tape thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a heat-resistant cold-resistant outdoor pressure-sensitive adhesive comprises the following components in parts by weight: 42-65 parts of modified natural rubber, 1-5 parts of a cross-linking agent, 8-15 parts of a heat-resistant monomer, 3-6 parts of toluene, 4-7 parts of polyol acrylate, 12-26 parts of an auxiliary material, 2-4 parts of benzoyl peroxide and 0.6-2 parts of a catalyst.
Preferably, the pressure-sensitive adhesive comprises the following components in parts by weight: 47 parts of modified natural rubber, 3 parts of a cross-linking agent, 12 parts of a heat-resistant monomer, 3 parts of toluene, 4 parts of polyol acrylate, 14 parts of auxiliary materials, 2 parts of benzoyl peroxide and 0.7 part of a catalyst.
Preferably, the catalyst is triethylamine, and the auxiliary materials are phenolic epoxy resin and tackifying resin which are mixed according to the proportion of 1: 3.
Preferably, the specific preparation process of the modified natural rubber comprises the following steps: adding natural rubber and butyl acetate into a reaction vessel, dissolving the natural rubber in the butyl acetate, heating the reaction vessel to 80-90 ℃, adding ammonium persulfate and an acrylate monomer under the protection of nitrogen, keeping the temperature of the reaction vessel, and cooling to room temperature when the viscosity of a rubber finished product reaches 15000-30000mpa.s to obtain the modified natural rubber.
Preferably, the acrylate monomer is at least one of a fluorine-containing hydrocarbon-based acrylate monomer and a long-chain hydrocarbon-based acrylate monomer.
The preparation method of the heat-resistant and cold-resistant outdoor pressure-sensitive adhesive comprises the following steps:
s1: the raw materials are prepared according to the following parts by weight: 47 parts of modified natural rubber, 3 parts of a cross-linking agent, 12 parts of a heat-resistant monomer, 3 parts of toluene, 4 parts of polyol acrylate, 14 parts of an auxiliary material, 2 parts of benzoyl peroxide and 0.7 part of a catalyst;
s2: adding the modified natural rubber, the auxiliary materials and the cross-linking agent into stirring equipment, and uniformly stirring to obtain a pre-mixed glue agent;
s3: adding heat-resistant monomers, toluene, polyol acrylate, benzoyl peroxide and a catalyst into the pre-mixed adhesive, and uniformly stirring to obtain the pressure-sensitive adhesive.
Preferably, the stirring equipment comprises a stirring box body, a primary stirring assembly arranged at the lower part of the inner side of the stirring box body and a secondary stirring assembly arranged at the upper part of the inner side of the stirring box body; the first-stage stirring assembly comprises a first stirring rod which is rotatably connected to the lower part of the inner side of the stirring box body and a motor which is arranged on the right side of the stirring box body and is used for driving the first stirring rod to rotate; a first transmission rod in transmission connection with the first stirring rod is arranged on the left side of the stirring box body, and a first belt wheel is sleeved on the first transmission rod; the second-stage stirring assembly comprises a shell plate, a sliding rail, a toothed plate, a second stirring rod and a transmission structure, the shell plate is fixed on the top side of the stirring box body, and a long opening communicated with the stirring box body is formed in the bottom end of the shell plate.
Preferably, the sliding rail is fixed on the side wall of the top of the shell plate, a spring is arranged on the inner side of the sliding rail, a toothed plate is connected onto the sliding rail in a sliding mode, the top end of the toothed plate is connected with the spring, and a transmission structure is arranged on one side of the toothed plate; the inner side of the shell plate is movably connected with a gear through a shaft lever, the gear is meshed with the toothed plate, the end part of the gear is connected with a second stirring rod, and the second stirring rod extends into the stirring box body from the long opening; the transmission structure comprises a rotating rod, a first bevel gear and a cam, wherein the first bevel gear and the cam are sleeved on the rotating rod, and the end part of the cam abuts against the toothed plate.
Preferably, a second transmission rod is arranged on the outer side of the stirring box body, a second belt wheel is sleeved at the left end of the second transmission rod and is linked with the first belt wheel through a belt, and a second bevel gear meshed with the first bevel gear is connected to the right end of the second transmission rod and extends into the inner side of the shell plate.
The invention also provides a heat-resistant and cold-resistant outdoor pressure-sensitive adhesive tape, which comprises a substrate layer and an adhesive layer, wherein the adhesive layer is coated on the substrate layer, the other surface of the adhesive layer is coated with a release layer, and the adhesive layer is formed by the prepared pressure-sensitive adhesive.
Compared with the prior art, the invention has the beneficial effects that:
the pressure-sensitive adhesive and the pressure-sensitive adhesive tape prepared by the invention can realize better heat-resistant and cold-resistant effects, and simultaneously have the advantages of high strength, excellent comprehensive performance, simple and convenient preparation method and easy realization; and the stirring equipment adopted in the preparation process can better uniformly mix all the components, thereby ensuring the uniformity of the glue material.
Drawings
FIG. 1 is a schematic view of a pressure-sensitive adhesive tape according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a stirring apparatus in an embodiment of the present invention.
In the figure: A. a substrate layer; B. and (6) a glue layer.
1. A stirring box body; 2. a first stirring rod; 3. a motor; 4. a first drive lever; 5. a first pulley; 6. a shell plate; 7. a slide rail; 8. a toothed plate; 9. a second stirring rod; 10. a gear; 11. a second helical gear; 12. rotating the rod; 13. a first helical gear; 14. a cam; 15. a second transmission rod; 16. a second pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1: the invention provides a technical scheme that: the pressure-sensitive adhesive comprises, by weight, 47 parts of modified natural rubber, 3 parts of a cross-linking agent, 12 parts of a heat-resistant monomer, 3 parts of toluene, 4 parts of polyol acrylate, 14 parts of an auxiliary material, 2 parts of benzoyl peroxide and 0.7 part of a catalyst.
In this example, the specific process of preparing the modified natural rubber comprises: adding natural rubber and butyl acetate into a reaction vessel, dissolving the natural rubber in the butyl acetate, heating the reaction vessel to 80-90 ℃, adding ammonium persulfate and an acrylate monomer under the protection of nitrogen, keeping the temperature of the reaction vessel, and cooling to room temperature when the viscosity of a rubber finished product reaches 15000-30000mpa.s to obtain the modified natural rubber.
In this embodiment, the acrylate monomer is at least one of a fluorine-containing hydrocarbon-based acrylate monomer and a long-chain hydrocarbon-based acrylate monomer.
In this example, the catalyst is triethylamine, and the adjuvant is novolac epoxy resin and tackifying resin mixed at a ratio of 1: 3.
The preparation method of the heat-resistant and cold-resistant outdoor pressure-sensitive adhesive comprises the following steps:
s1: the raw materials are prepared according to the following parts by weight: 47 parts of modified natural rubber, 3 parts of a cross-linking agent, 12 parts of a heat-resistant monomer, 3 parts of toluene, 4 parts of polyol acrylate, 14 parts of an auxiliary material, 2 parts of benzoyl peroxide and 0.7 part of a catalyst;
s2: adding the modified natural rubber, the auxiliary materials and the cross-linking agent into stirring equipment, and uniformly stirring to obtain a pre-mixed glue agent;
s3: adding heat-resistant monomers, toluene, polyol acrylate, benzoyl peroxide and a catalyst into the pre-mixed adhesive, and uniformly stirring to obtain the pressure-sensitive adhesive.
Referring to fig. 1, the invention further provides a heat-resistant and cold-resistant pressure-sensitive adhesive tape for outdoor use, which includes a substrate layer a and an adhesive layer B, wherein the adhesive layer B is coated on the substrate layer a, the other surface of the adhesive layer B is coated with a release layer, and the adhesive layer B is formed by the prepared pressure-sensitive adhesive.
Example 2: the invention provides a technical scheme that: a heat-resistant cold-resistant outdoor pressure-sensitive adhesive comprises the following components in parts by weight: 55 parts of modified natural rubber, 3 parts of a cross-linking agent, 12 parts of a heat-resistant monomer, 5 parts of toluene, 6 parts of polyol acrylate, 18 parts of auxiliary materials, 4 parts of benzoyl peroxide and 1.2 parts of a catalyst.
In this example, the specific process of preparing the modified natural rubber comprises: adding natural rubber and butyl acetate into a reaction vessel, dissolving the natural rubber in the butyl acetate, heating the reaction vessel to 80-90 ℃, adding ammonium persulfate and an acrylate monomer under the protection of nitrogen, keeping the temperature of the reaction vessel, and cooling to room temperature when the viscosity of a rubber finished product reaches 15000-30000mpa.s to obtain the modified natural rubber.
In this embodiment, the acrylate monomer is at least one of a fluorine-containing hydrocarbon-based acrylate monomer and a long-chain hydrocarbon-based acrylate monomer.
The preparation method of the heat-resistant and cold-resistant outdoor pressure-sensitive adhesive comprises the following steps:
s1: the raw materials are prepared according to the following parts by weight: 55 parts of modified natural rubber, 3 parts of a cross-linking agent, 12 parts of a heat-resistant monomer, 5 parts of toluene, 6 parts of polyol acrylate, 18 parts of auxiliary materials, 4 parts of benzoyl peroxide and 1.2 parts of a catalyst;
s2: adding the modified natural rubber, the auxiliary materials and the cross-linking agent into stirring equipment, and uniformly stirring to obtain a pre-mixed glue agent;
s3: adding heat-resistant monomers, toluene, polyol acrylate, benzoyl peroxide and a catalyst into the pre-mixed adhesive, and uniformly stirring to obtain the pressure-sensitive adhesive.
Referring to fig. 1, the invention also provides a heat-resistant and cold-resistant pressure-sensitive adhesive tape for outdoor use, which comprises a substrate layer a and an adhesive layer B, wherein the adhesive layer B is coated on the substrate layer a, the other surface of the adhesive layer B is coated with a release layer, and the adhesive layer B is formed by the prepared pressure-sensitive adhesive.
Example 3: referring to fig. 2, the stirring apparatus in S2 includes a stirring tank 1, a first-stage stirring assembly disposed at a lower portion of an inner side of the stirring tank 1, and a second-stage stirring assembly disposed at an upper portion of the inner side of the stirring tank 1; the stirring box body 1 is provided with a feeding hole and a discharging hole, and the primary stirring assembly comprises a first stirring rod 2 which is rotatably connected to the lower part of the inner side of the stirring box body 1 and a motor 3 which is arranged on the right side of the stirring box body 1 and is used for driving the first stirring rod 2 to rotate; a first transmission rod 4 in transmission connection with the first stirring rod 2 is arranged on the left side of the stirring box body 1, and a first belt pulley 5 is sleeved on the first transmission rod 4; the second-stage stirring assembly comprises a shell plate 6, a sliding rail 7, a toothed plate 8, a second stirring rod 9 and a transmission structure, the shell plate 6 is fixed on the top side of the stirring box body 1, and a long opening communicated with the stirring box body 1 is formed in the bottom end of the shell plate 6.
In the embodiment, the slide rail 7 is fixed on the top side wall of the shell plate 6, a spring is arranged on the inner side of the slide rail 7, a toothed plate 8 is connected to the slide rail 7 in a sliding manner, the top end of the toothed plate 8 is connected with the spring, and a transmission structure is arranged on one side of the toothed plate 8; the inner side of the shell plate 6 is movably connected with a gear 10 through a shaft rod, the gear 10 is meshed with a toothed plate 8, the end part of the gear 10 is connected with a second stirring rod 9, and the second stirring rod 9 extends into the stirring box body 1 from a long opening; the transmission structure comprises a rotating rod 12, a first bevel gear 13 and a cam 14, wherein the first bevel gear 13 and the cam 14 are sleeved on the rotating rod 12, and the end part of the cam 14 abuts against the toothed plate 8.
In this embodiment, a second transmission rod 15 is disposed outside the stirring tank 1, a second belt pulley 16 is sleeved at the left end of the second transmission rod 15, the second belt pulley 16 is linked with the first belt pulley 5 through a belt, and the right end of the second transmission rod 16 extends into the inner side of the shell plate 6 and is connected with a second bevel gear 11 engaged with the first bevel gear 13.
In this embodiment, the operation of motor 3 can drive the operation of first puddler 2, and first puddler 2 is through the operation of first transfer line 4 and the 5 linkage second grade stirring subassemblies of first band pulley, and second grade stirring subassemblies drive gear 10 through pinion rack 8 and operate under the transmission cooperation of transmission structure, make gear 10 drive second puddler 9 carry out the oscillating stirring, can be better with each component misce bene, guaranteed the homogeneity of glue material.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The heat-resistant and cold-resistant outdoor pressure-sensitive adhesive is characterized by comprising the following components in parts by weight: 42-65 parts of modified natural rubber, 1-5 parts of a cross-linking agent, 8-15 parts of a heat-resistant monomer, 3-6 parts of toluene, 4-7 parts of polyol acrylate, 12-26 parts of an auxiliary material, 2-4 parts of benzoyl peroxide and 0.6-2 parts of a catalyst.
2. The heat-resistant and cold-resistant pressure-sensitive adhesive for outdoor use according to claim 1, wherein the pressure-sensitive adhesive comprises the following components in parts by weight: 47 parts of modified natural rubber, 3 parts of a cross-linking agent, 12 parts of a heat-resistant monomer, 3 parts of toluene, 4 parts of polyol acrylate, 14 parts of auxiliary materials, 2 parts of benzoyl peroxide and 0.7 part of a catalyst.
3. The heat-resistant and cold-resistant outdoor pressure-sensitive adhesive as claimed in claim 1, wherein the catalyst is triethylamine, and the auxiliary materials are novolac epoxy resin and tackifying resin which are mixed according to a ratio of 1: 3.
4. The heat-resistant and cold-resistant pressure-sensitive adhesive for outdoor use as claimed in claim 1, wherein the modified natural rubber is prepared by a specific process comprising: adding natural rubber and butyl acetate into a reaction vessel, dissolving the natural rubber in the butyl acetate, heating the reaction vessel to 80-90 ℃, adding ammonium persulfate and an acrylate monomer under the protection of nitrogen, keeping the temperature of the reaction vessel, and cooling to room temperature when the viscosity of a rubber finished product reaches 15000-30000mpa.s to obtain the modified natural rubber.
5. The heat and cold resistant outdoor pressure sensitive adhesive of claim 1, wherein the acrylate monomer is at least one of a fluorine-containing alkyl acrylate monomer and a long chain alkyl acrylate monomer.
6. The method for preparing the heat-resistant and cold-resistant pressure-sensitive adhesive for the outdoor use according to any one of claims 1 to 5, which is characterized by comprising the following steps:
s1: the raw materials are prepared according to the following parts by weight: 47 parts of modified natural rubber, 3 parts of a cross-linking agent, 12 parts of a heat-resistant monomer, 3 parts of toluene, 4 parts of polyol acrylate, 14 parts of an auxiliary material, 2 parts of benzoyl peroxide and 0.7 part of a catalyst;
s2: adding the modified natural rubber, the auxiliary materials and the cross-linking agent into stirring equipment, and uniformly stirring to obtain a pre-mixed glue agent;
s3: adding heat-resistant monomers, toluene, polyol acrylate, benzoyl peroxide and a catalyst into the pre-mixed adhesive, and uniformly stirring to obtain the pressure-sensitive adhesive.
7. The method for preparing the heat-resistant and cold-resistant outdoor pressure-sensitive adhesive according to claim 6, wherein the stirring equipment in the S2 comprises a stirring box body (1), a primary stirring component arranged at the lower part of the inner side of the stirring box body (1) and a secondary stirring component arranged at the upper part of the inner side of the stirring box body (1); the stirring box body (1) is provided with a feeding hole and a discharging hole, and the primary stirring assembly comprises a first stirring rod (2) which is rotatably connected to the lower part of the inner side of the stirring box body (1) and a motor (3) which is arranged on the right side of the stirring box body (1) and is used for driving the first stirring rod (2) to rotate; a first transmission rod (4) in transmission connection with the first stirring rod (2) is arranged on the left side of the stirring box body (1), and a first belt wheel (5) is sleeved on the first transmission rod (4); the second-stage stirring assembly comprises a shell plate (6), a sliding rail (7), a toothed plate (8), a second stirring rod (9) and a transmission structure, the shell plate (6) is fixed on the top side of the stirring box body (1), and a long opening communicated with the stirring box body (1) is formed in the bottom end of the shell plate (6).
8. The preparation method of the heat-resistant and cold-resistant outdoor pressure-sensitive adhesive according to claim 7, wherein the slide rail (7) is fixed on the top side wall of the shell plate (6), a spring is arranged on the inner side of the slide rail (7), a toothed plate (8) is slidably connected to the slide rail (7), the top end of the toothed plate (8) is connected with the spring, and a transmission structure is arranged on one side of the toothed plate (8); the inner side of the shell plate (6) is movably connected with a gear (10) through a shaft lever, the gear (10) is meshed with the toothed plate (8), the end part of the gear (10) is connected with a second stirring rod (9), and the second stirring rod (9) extends into the stirring box body (1) from the long opening; the transmission structure comprises a rotating rod (12), a first bevel gear (13) and a cam (14), wherein the first bevel gear (13) and the cam (14) are sleeved on the rotating rod (12), and the end part of the cam (14) is abutted to the toothed plate (8).
9. The method for preparing the heat-resistant and cold-resistant outdoor pressure-sensitive adhesive according to claim 8, wherein a second transmission rod (15) is arranged on the outer side of the stirring box body (1), a second belt wheel (16) is sleeved at the left end of the second transmission rod (15), the second belt wheel (16) is linked with the first belt wheel (5) through a belt, and the right end of the second transmission rod (16) extends into the inner side of the shell plate (6) and is connected with a second bevel gear (11) meshed with the first bevel gear (13).
10. The heat-resistant and cold-resistant outdoor pressure-sensitive adhesive tape is characterized by comprising a substrate layer (A) and an adhesive layer (B), wherein the adhesive layer (B) is coated on the substrate layer (A), the other surface of the adhesive layer (B) is coated with a release layer, and the adhesive layer (B) is formed by the pressure-sensitive adhesive according to any one of claims 1 to 6.
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|---|---|---|---|
| CN202011393421.7A CN112646518A (en) | 2020-12-02 | 2020-12-02 | Heat-resistant and cold-resistant outdoor pressure-sensitive adhesive and pressure-sensitive adhesive tape thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011393421.7A CN112646518A (en) | 2020-12-02 | 2020-12-02 | Heat-resistant and cold-resistant outdoor pressure-sensitive adhesive and pressure-sensitive adhesive tape thereof |
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| CN112646518A true CN112646518A (en) | 2021-04-13 |
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| CN202011393421.7A Pending CN112646518A (en) | 2020-12-02 | 2020-12-02 | Heat-resistant and cold-resistant outdoor pressure-sensitive adhesive and pressure-sensitive adhesive tape thereof |
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| CN106139983A (en) * | 2016-08-16 | 2016-11-23 | 温州意迈达鞋业有限公司 | A kind of footwear industry gear type stock stirring device |
| CN109486451A (en) * | 2018-10-23 | 2019-03-19 | 新丰杰力电工材料有限公司 | A kind of pressure-sensitive adhesive agent and preparation method thereof and adhesive tape |
| CN109735255A (en) * | 2018-12-24 | 2019-05-10 | 宁波激智科技股份有限公司 | A kind of the outdoor pressure sensitive adhesive and its pressure sensitive adhesive tape of heat-resisting cold-resistant |
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2020
- 2020-12-02 CN CN202011393421.7A patent/CN112646518A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1509139A (en) * | 1976-09-23 | 1978-04-26 | Kores Holding Zug Ag | Adhesive tapes |
| CN102775936A (en) * | 2012-08-06 | 2012-11-14 | 滁州云林数码影像耗材有限公司 | Preparation method of non-foaming acrylate stamp adhesive |
| CN106139983A (en) * | 2016-08-16 | 2016-11-23 | 温州意迈达鞋业有限公司 | A kind of footwear industry gear type stock stirring device |
| CN109486451A (en) * | 2018-10-23 | 2019-03-19 | 新丰杰力电工材料有限公司 | A kind of pressure-sensitive adhesive agent and preparation method thereof and adhesive tape |
| CN109735255A (en) * | 2018-12-24 | 2019-05-10 | 宁波激智科技股份有限公司 | A kind of the outdoor pressure sensitive adhesive and its pressure sensitive adhesive tape of heat-resisting cold-resistant |
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Application publication date: 20210413 |