CN112143420B - High-solid-content acrylic pressure-sensitive adhesive and preparation method thereof - Google Patents

High-solid-content acrylic pressure-sensitive adhesive and preparation method thereof Download PDF

Info

Publication number
CN112143420B
CN112143420B CN202010906467.8A CN202010906467A CN112143420B CN 112143420 B CN112143420 B CN 112143420B CN 202010906467 A CN202010906467 A CN 202010906467A CN 112143420 B CN112143420 B CN 112143420B
Authority
CN
China
Prior art keywords
parts
sensitive adhesive
dripping
acrylic pressure
emulsion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010906467.8A
Other languages
Chinese (zh)
Other versions
CN112143420A (en
Inventor
毕斯文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Fuyin New Materials Co.,Ltd.
Original Assignee
Anhui Fuyin New Material Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Fuyin New Material Co ltd filed Critical Anhui Fuyin New Material Co ltd
Priority to CN202010906467.8A priority Critical patent/CN112143420B/en
Publication of CN112143420A publication Critical patent/CN112143420A/en
Application granted granted Critical
Publication of CN112143420B publication Critical patent/CN112143420B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/24Homopolymers or copolymers of amides or imides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/12Polymerisation in non-solvents
    • C08F2/16Aqueous medium
    • C08F2/22Emulsion polymerisation
    • C08F2/24Emulsion polymerisation with the aid of emulsifying agents
    • C08F2/26Emulsion polymerisation with the aid of emulsifying agents anionic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10Esters
    • C08F220/12Esters of monohydric alcohols or phenols
    • C08F220/16Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • C08F220/1808C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/28Oxygen or compounds releasing free oxygen
    • C08F4/30Inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/28Oxygen or compounds releasing free oxygen
    • C08F4/32Organic compounds
    • C08F4/34Per-compounds with one peroxy-radical

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention provides a high-solid-content acrylic pressure-sensitive adhesive and a preparation method thereof, wherein the high-solid-content acrylic pressure-sensitive adhesive is prepared from the following raw materials in parts by weight: the high-solid content acrylic pressure-sensitive adhesive is characterized in that: the feed is prepared from the following raw materials in parts by weight: 180-200 parts of isooctyl acrylate, 110-130 parts of n-butyl acrylate, 90-120 parts of 2-ethylhexyl acrylate, 80-110 parts of methyl acrylate, 90-110 parts of methyl methacrylate, 60-90 parts of acrylamide, 65-75 parts of acrylic acid, 6-8 parts of sodium dodecyl benzene sulfonate, 8-12 parts of 2-acrylamido-2-methylpropanesulfonic acid, 3-5 parts of cumene hydroperoxide, 4-8 parts of potassium persulfate, 12-16 parts of sodium bicarbonate and 3-6 parts of dodecyl mercaptan. The invention has safe operation and low product cost, and the prepared acrylic pressure-sensitive adhesive has the solid content increased to more than 60 percent and high drying speed.

Description

High-solid-content acrylic pressure-sensitive adhesive and preparation method thereof
Technical Field
The invention relates to the technical field of pressure-sensitive adhesives, in particular to a high-solid-content acrylic pressure-sensitive adhesive and a preparation method thereof.
Background
The acrylic emulsion pressure-sensitive adhesive is a copolymer of acrylic acid (ester), and is a water-based adhesive prepared by copolymerizing acrylic esters and methacrylic esters or adding other monomers such as vinyl acetate and the like. The development of polyacrylate pressure-sensitive adhesives is the most rapid, and the polyacrylate pressure-sensitive adhesives mainly comprise emulsion type pressure-sensitive adhesives and solvent type pressure-sensitive adhesives. The adhesive tape is widely applied to products such as labels, packaging adhesive tapes, double-sided adhesive tapes, medical adhesive tapes and the like.
At present, the solid content of polyacrylate emulsion pressure-sensitive adhesive used in industry is generally below 55%, and the defects of slow drying speed, high energy consumption and the like exist. Therefore, it is very interesting to develop a high solid content acrylic pressure sensitive adhesive and a process for its preparation to meet the requirements of high speed coating.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the high-solid-content acrylic pressure-sensitive adhesive and the preparation method thereof, the operation is safe, the product cost is low, the solid content of the prepared acrylic pressure-sensitive adhesive is improved to more than 60 percent, and the drying speed is high.
The technical scheme of the invention is realized as follows:
the high-solid-content acrylic pressure-sensitive adhesive is prepared from the following raw materials in parts by weight: 180-200 parts of isooctyl acrylate, 110-130 parts of n-butyl acrylate, 90-120 parts of 2-ethylhexyl acrylate, 80-110 parts of methyl acrylate, 90-110 parts of methyl methacrylate, 60-90 parts of acrylamide, 65-75 parts of acrylic acid, 6-8 parts of sodium dodecyl benzene sulfonate, 8-12 parts of 2-acrylamido-2-methylpropanesulfonic acid, 3-5 parts of cumene hydroperoxide, 4-8 parts of potassium persulfate, 12-16 parts of sodium bicarbonate and 3-6 parts of dodecyl mercaptan.
Preferably, the feed is prepared from the following raw materials in parts by weight: 190 parts of isooctyl acrylate, 120 parts of n-butyl acrylate, 100 parts of 2-ethylhexyl acrylate, 90 parts of methyl acrylate, 100 parts of methyl methacrylate, 75 parts of acrylamide, 70 parts of acrylic acid, 7 parts of sodium dodecyl benzene sulfonate, 10 parts of 2-acrylamido-2-methylpropanesulfonic acid, 4 parts of cumene hydroperoxide, 6 parts of potassium persulfate, 14 parts of sodium bicarbonate and 4 parts of dodecyl mercaptan.
A preparation method of high solid content acrylic pressure-sensitive adhesive comprises the following steps:
(1) weighing isooctyl acrylate, n-butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, acrylamide and acrylic acid, sequentially putting into a reactor, and stirring at the speed of 100-120r/min for 10-20min to obtain a mixed monomer;
(2) adding sodium dodecyl benzene sulfonate, 2-acrylamido-2-methylpropanesulfonic acid and distilled water into a reactor, heating to 45-55 ℃, reacting for 20-30min, uniformly mixing the mixed monomers in the step (1), then dripping into the reactor within 50-60min, continuously stirring, controlling the stirring speed at 650-700r/min, and preserving heat for 20-30min after finishing dripping to obtain a pre-emulsion;
(3) adding sodium bicarbonate, dodecyl mercaptan and deionized water into a reaction kettle, heating to 80-85 ℃, controlling the stirring speed to be 250-300 r/min, dropwise adding part of pre-emulsion into the reaction kettle at a certain speed, controlling the speed to be 0.5-1h, slowly dropwise adding cumene hydroperoxide at the same time, controlling the time to be 1-1.5h, carrying out seed emulsion polymerization, and preserving the temperature for 0.5-1h when blue fluorescence appears in the emulsion;
(4) and (3) dripping the residual pre-emulsion and potassium persulfate into the reaction kettle, preserving the heat for 1-2h after dripping within 3-4h, cooling to 50-60 ℃, adjusting the pH value of the product to be neutral by using 25% ammonia water by mass fraction, filtering and discharging to obtain a finished product.
Preferably, the stirring speed in the step (1) is 110r/min, and the stirring time is 15 min.
Preferably, the temperature in the step (2) is increased to 50 ℃ for reaction for 25 min.
Preferably, in the step (3), sodium bicarbonate, dodecyl mercaptan and deionized water are added into a reaction kettle, the temperature is raised to 82 ℃, and the stirring speed is controlled at 280 r/min.
Preferably, 1/10 of the pre-emulsion taken in the step (3) is dropped into the reaction kettle at a certain speed.
Preferably, 1/10 of the pre-emulsion taken in the step (3) is dripped into the reaction kettle within 40 min.
Preferably, cumene hydroperoxide is slowly added dropwise in the step (3) at the same time, and the time is controlled to be 80 min.
Preferably, in the step (4), the residual pre-emulsion and potassium persulfate are dripped into the reaction kettle, the temperature is kept for 1h after dripping within 3h, and the temperature is reduced to 55 ℃.
The invention has the following beneficial effects: the high-solid content acrylic pressure-sensitive adhesive and the preparation method thereof adopt the control of the reaction speed and temperature of emulsification to reduce the condensation phenomenon, and adopt the emulsifier sodium dodecyl benzene sulfonate, the 2-acrylamido-2-methylpropanesulfonic acid, the initiator cumene hydroperoxide and the initiator potassium persulfate in a matching way, so that the solid content of the prepared high-solid content acrylic pressure-sensitive adhesive is improved to more than 60 percent, the drying speed is high, the product cost is low, the operation is safe, and the high-solid content acrylic pressure-sensitive adhesive meets the requirement of high-speed coating.
Detailed Description
For a more clear understanding of the technical features, objects and advantages of the present invention, reference is now made to the following detailed description of the embodiments of the present invention taken in conjunction with the accompanying drawings, which are included to illustrate and not to limit the scope of the present invention.
Example 1
The high-solid-content acrylic pressure-sensitive adhesive is prepared from the following raw materials in parts by weight: 180 parts of isooctyl acrylate, 130 parts of n-butyl acrylate, 90 parts of acrylic acid-2-ethylhexyl ester, 110 parts of methyl acrylate, 90 parts of methyl methacrylate, 90 parts of acrylamide, 65 parts of acrylic acid, 8 parts of sodium dodecyl benzene sulfonate, 8 parts of 2-acrylamido-2-methylpropanesulfonic acid, 5 parts of cumene hydroperoxide, 4 parts of potassium persulfate, 16 parts of sodium bicarbonate and 3 parts of dodecyl mercaptan.
A preparation method of high solid content acrylic pressure-sensitive adhesive comprises the following steps:
(1) weighing isooctyl acrylate, n-butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, acrylamide and acrylic acid, sequentially placing into a reactor, stirring at a speed of 100r/min for 10min to obtain a mixed monomer
(2) Adding sodium dodecyl benzene sulfonate, 2-acrylamido-2-methylpropanesulfonic acid and a proper amount of distilled water into a reactor, heating to 45 ℃, reacting for 20min, uniformly mixing the mixed monomers in the step (1), then dripping into the reactor within 50min, continuously stirring, controlling the stirring speed at 650r/min, and keeping the temperature for 20min after finishing dripping to obtain a pre-emulsion;
(3) adding sodium bicarbonate, dodecyl mercaptan and deionized water into a reaction kettle, heating to 80 ℃, and controlling the stirring speed at 250 r/min. Dripping 1/10 of pre-emulsion into a reaction kettle at a certain speed for 0.5h, slowly dripping cumene hydroperoxide for 1h, polymerizing seed emulsion, and preserving heat for 0.5h when blue fluorescence appears in the emulsion;
(4) and (3) dripping the residual pre-emulsion and potassium persulfate into the reaction kettle, preserving the heat for 1h within 3h, cooling to 50 ℃, adjusting the pH value of the product to be neutral by using 25 mass percent ammonia water, filtering and discharging to obtain a finished product.
Example 2
The high-solid-content acrylic pressure-sensitive adhesive is prepared from the following raw materials in parts by weight: 200 parts of isooctyl acrylate, 110 parts of n-butyl acrylate, 120 parts of 2-ethylhexyl acrylate, 80 parts of methyl acrylate, 110 parts of methyl methacrylate, 60 parts of acrylamide, 75 parts of acrylic acid, 6 parts of sodium dodecyl benzene sulfonate, 12 parts of 2-acrylamido-2-methylpropanesulfonic acid, 3 parts of cumene hydroperoxide, 8 parts of potassium persulfate, 12 parts of sodium bicarbonate and 6 parts of dodecyl mercaptan.
A preparation method of high solid content acrylic pressure-sensitive adhesive comprises the following steps:
(1) weighing isooctyl acrylate, n-butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, acrylamide and acrylic acid, sequentially placing into a reactor, stirring at a speed of 120r/min for 20min to obtain a mixed monomer
(2) Adding sodium dodecyl benzene sulfonate, 2-acrylamido-2-methylpropanesulfonic acid and a proper amount of distilled water into a reactor, heating to 55 ℃, reacting for 30min, uniformly mixing the mixed monomers in the step (1), then dripping into the reactor within 50-60min, continuously stirring, controlling the stirring speed at 700r/min, and preserving heat for 30min after finishing dripping to obtain a pre-emulsion;
(3) adding sodium bicarbonate, dodecyl mercaptan and deionized water into a reaction kettle, heating to 85 ℃, and controlling the stirring speed at 300 r/min. Dripping 1/10 of pre-emulsion into a reaction kettle at a certain speed for 1 hour, slowly dripping cumene hydroperoxide for 1.5 hours, polymerizing seed emulsion, and preserving heat for 1 hour when blue fluorescence appears in the emulsion;
(4) and (3) dripping the residual pre-emulsion and potassium persulfate into the reaction kettle, preserving the heat for 2h after dripping within 4h, cooling to 60 ℃, adjusting the pH value of the product to be neutral by using 25 mass percent ammonia water, filtering and discharging to obtain a finished product.
Example 3
The high-solid-content acrylic pressure-sensitive adhesive is prepared from the following raw materials in parts by weight: 190 parts of isooctyl acrylate, 120 parts of n-butyl acrylate, 100 parts of 2-ethylhexyl acrylate, 90 parts of methyl acrylate, 100 parts of methyl methacrylate, 75 parts of acrylamide, 70 parts of acrylic acid, 7 parts of sodium dodecyl benzene sulfonate, 10 parts of 2-acrylamido-2-methylpropanesulfonic acid, 4 parts of cumene hydroperoxide, 6 parts of potassium persulfate, 14 parts of sodium bicarbonate and 4 parts of dodecyl mercaptan.
A preparation method of high solid content acrylic pressure-sensitive adhesive comprises the following steps:
(1) weighing isooctyl acrylate, n-butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, acrylamide and acrylic acid, sequentially placing into a reactor, stirring at 100-120r/min for 15min to obtain a mixed monomer
(2) Adding sodium dodecyl benzene sulfonate, 2-acrylamido-2-methylpropanesulfonic acid and a proper amount of distilled water into a reactor, heating to 50 ℃, reacting for 20-30min, uniformly mixing the mixed monomers in the step (1), then dripping into the reactor within 55min, continuously stirring, controlling the stirring speed at 680r/min, and preserving heat for 25min after finishing dripping to obtain a pre-emulsion;
(3) adding sodium bicarbonate, dodecyl mercaptan and deionized water into a reaction kettle, heating to 82 ℃, and controlling the stirring speed at 280 r/min. Dripping 1/10 of pre-emulsion into a reaction kettle at a certain speed for 0.8h, slowly dripping cumene hydroperoxide for 1.2h, polymerizing the seed emulsion, and preserving the temperature for 0.7h when the emulsion generates blue fluorescence;
(4) and (3) dripping the residual pre-emulsion and potassium persulfate into the reaction kettle, preserving the heat for 1.5h after dripping within 3.5h, cooling to 55 ℃, adjusting the pH value of the product to be neutral by using 25 mass percent ammonia water, filtering and discharging to obtain a finished product.
First, performance test
The solid content of the high-solid-content-resistant acrylic pressure-sensitive adhesive is measured according to GB/T2793-1995 standard; viscosity measurements were carried out at 25 ℃ using a rotational viscometer model NDJ-1 (Shanghai balance Instrument plant) according to the GB/T2794-1995 Standard. The results are shown in Table 1.
TABLE 1
Item Example 1 Example 2 Example 3
Viscosity (mPa. s) 360 350 355
Solid content (%) 67 65 66
As can be seen from Table 1, the high-solid-content acrylic pressure-sensitive adhesive prepared in the embodiments 1 to 3 of the present invention has a good solid content of not less than 65% and a viscosity of less than 400mPa · s, and is suitable for the requirement of high-speed coating.
The above embodiments are merely provided to help understand the method and core principle of the present invention, and the main steps and embodiments of the present invention are described in detail by using specific examples. To those skilled in the art, the various conditions and parameters may be varied as desired in a particular implementation in accordance with the principles of the invention, and in view of the foregoing, the description is not to be taken as limiting the invention.

Claims (10)

1. A high solid content acrylic pressure sensitive adhesive is characterized in that: the feed is prepared from the following raw materials in parts by weight: 180-200 parts of isooctyl acrylate, 110-130 parts of n-butyl acrylate, 90-120 parts of 2-ethylhexyl acrylate, 80-110 parts of methyl acrylate, 90-110 parts of methyl methacrylate, 60-90 parts of acrylamide, 65-75 parts of acrylic acid, 6-8 parts of sodium dodecyl benzene sulfonate, 8-12 parts of 2-acrylamido-2-methylpropanesulfonic acid, 3-5 parts of cumene hydroperoxide, 4-8 parts of potassium persulfate, 12-16 parts of sodium bicarbonate and 3-6 parts of dodecyl mercaptan;
the preparation method of the high-solid-content acrylic pressure-sensitive adhesive comprises the following steps:
(1) weighing isooctyl acrylate, n-butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, acrylamide and acrylic acid, sequentially putting into a reactor, and stirring at the speed of 100-120r/min for 10-20min to obtain a mixed monomer;
(2) adding sodium dodecyl benzene sulfonate, 2-acrylamido-2-methylpropanesulfonic acid and distilled water into a reactor, heating to 45-55 ℃, reacting for 20-30min, uniformly mixing the mixed monomers in the step (1), then dripping into the reactor within 50-60min, continuously stirring, controlling the stirring speed at 650-700r/min, and preserving heat for 20-30min after finishing dripping to obtain a pre-emulsion;
(3) adding sodium bicarbonate, dodecyl mercaptan and deionized water into a reaction kettle, heating to 80-85 ℃, controlling the stirring speed to be 250-300 r/min, dropwise adding part of pre-emulsion into the reaction kettle at a certain speed, controlling the speed to be 0.5-1h, slowly dropwise adding cumene hydroperoxide at the same time, controlling the time to be 1-1.5h, carrying out seed emulsion polymerization, and preserving the temperature for 0.5-1h when blue fluorescence appears in the emulsion;
(4) and (3) dripping the residual pre-emulsion and potassium persulfate into the reaction kettle, preserving the heat for 1-2h after dripping within 3-4h, cooling to 50-60 ℃, adjusting the pH value of the product to be neutral by using 25% ammonia water by mass fraction, filtering and discharging to obtain a finished product.
2. A high solids acrylic pressure sensitive adhesive as claimed in claim 1, wherein: the feed is prepared from the following raw materials in parts by weight: 190 parts of isooctyl acrylate, 120 parts of n-butyl acrylate, 100 parts of 2-ethylhexyl acrylate, 90 parts of methyl acrylate, 100 parts of methyl methacrylate, 75 parts of acrylamide, 70 parts of acrylic acid, 7 parts of sodium dodecyl benzene sulfonate, 10 parts of 2-acrylamido-2-methylpropanesulfonic acid, 4 parts of cumene hydroperoxide, 6 parts of potassium persulfate, 14 parts of sodium bicarbonate and 4 parts of dodecyl mercaptan.
3. The method for producing a high-solid content acrylic pressure-sensitive adhesive according to any one of claims 1 to 2, characterized in that: the method comprises the following steps:
(1) weighing isooctyl acrylate, n-butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, acrylamide and acrylic acid, sequentially putting into a reactor, and stirring at the speed of 100-120r/min for 10-20min to obtain a mixed monomer;
(2) adding sodium dodecyl benzene sulfonate, 2-acrylamido-2-methylpropanesulfonic acid and distilled water into a reactor, heating to 45-55 ℃, reacting for 20-30min, uniformly mixing the mixed monomers in the step (1), then dripping into the reactor within 50-60min, continuously stirring, controlling the stirring speed at 650-700r/min, and preserving heat for 20-30min after finishing dripping to obtain a pre-emulsion;
(3) adding sodium bicarbonate, dodecyl mercaptan and deionized water into a reaction kettle, heating to 80-85 ℃, controlling the stirring speed to be 250-300 r/min, dropwise adding part of pre-emulsion into the reaction kettle at a certain speed, controlling the speed to be 0.5-1h, slowly dropwise adding cumene hydroperoxide at the same time, controlling the time to be 1-1.5h, carrying out seed emulsion polymerization, and preserving the temperature for 0.5-1h when blue fluorescence appears in the emulsion;
(4) and (3) dripping the residual pre-emulsion and potassium persulfate into the reaction kettle, preserving the heat for 1-2h after dripping within 3-4h, cooling to 50-60 ℃, adjusting the pH value of the product to be neutral by using 25% ammonia water by mass fraction, filtering and discharging to obtain a finished product.
4. The method for preparing a high-solid content acrylic pressure-sensitive adhesive according to claim 3, wherein: in the step (1), the stirring speed is 110r/min, and the stirring time is 15 min.
5. The method for preparing a high-solid content acrylic pressure-sensitive adhesive according to claim 3, wherein: and (3) heating to 50 ℃ in the step (2), and reacting for 25 min.
6. The method for preparing a high-solid content acrylic pressure-sensitive adhesive according to claim 3, wherein: and (3) adding sodium bicarbonate, dodecyl mercaptan and deionized water into the reaction kettle, heating to 82 ℃, and controlling the stirring speed at 280 r/min.
7. The method for preparing a high-solid content acrylic pressure-sensitive adhesive according to claim 3, wherein: and (3) dripping 1/10 of the pre-emulsion taken in the step (3) into a reaction kettle at a certain speed.
8. The method for preparing a high-solid content acrylic pressure-sensitive adhesive according to claim 7, wherein: and (3) dripping 1/10 of the pre-emulsion taken in the step (3) into the reaction kettle within 40 min.
9. The method for preparing a high-solid content acrylic pressure-sensitive adhesive according to claim 3, wherein: and (3) slowly dripping cumene hydroperoxide at the same time for 80 min.
10. The method for preparing a high-solid content acrylic pressure-sensitive adhesive according to claim 3, wherein: and (4) dripping the residual pre-emulsion and potassium persulfate into the reaction kettle in the step (4), keeping the temperature for 1h after finishing dripping within 3h, and cooling to 55 ℃.
CN202010906467.8A 2020-09-01 2020-09-01 High-solid-content acrylic pressure-sensitive adhesive and preparation method thereof Active CN112143420B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010906467.8A CN112143420B (en) 2020-09-01 2020-09-01 High-solid-content acrylic pressure-sensitive adhesive and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010906467.8A CN112143420B (en) 2020-09-01 2020-09-01 High-solid-content acrylic pressure-sensitive adhesive and preparation method thereof

Publications (2)

Publication Number Publication Date
CN112143420A CN112143420A (en) 2020-12-29
CN112143420B true CN112143420B (en) 2022-04-29

Family

ID=73890133

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010906467.8A Active CN112143420B (en) 2020-09-01 2020-09-01 High-solid-content acrylic pressure-sensitive adhesive and preparation method thereof

Country Status (1)

Country Link
CN (1) CN112143420B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101676347A (en) * 2008-09-17 2010-03-24 成都航天明江科技实业有限公司 60% high solid content pressure-sensitive adhesive and preparation method thereof
CN103232566A (en) * 2013-05-13 2013-08-07 鲁东大学 Preparation method of high-solid-content low-viscosity acrylate emulsion for sealing gum
CN109134743A (en) * 2018-08-14 2019-01-04 顶立新材料科技有限公司 A kind of high solid content and low viscosity acrylic pressure sensitive adhesives preparation method
CN109777327A (en) * 2019-01-09 2019-05-21 上海保立佳新材料有限公司 A kind of preparation method of high-solid-content and low-viscosity acrylate adhesive lotion
CN111363503A (en) * 2020-04-30 2020-07-03 骏能化工(龙南)有限公司 High-solid-content low-viscosity pressure-sensitive adhesive emulsion

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101676347A (en) * 2008-09-17 2010-03-24 成都航天明江科技实业有限公司 60% high solid content pressure-sensitive adhesive and preparation method thereof
CN103232566A (en) * 2013-05-13 2013-08-07 鲁东大学 Preparation method of high-solid-content low-viscosity acrylate emulsion for sealing gum
CN109134743A (en) * 2018-08-14 2019-01-04 顶立新材料科技有限公司 A kind of high solid content and low viscosity acrylic pressure sensitive adhesives preparation method
CN109777327A (en) * 2019-01-09 2019-05-21 上海保立佳新材料有限公司 A kind of preparation method of high-solid-content and low-viscosity acrylate adhesive lotion
CN111363503A (en) * 2020-04-30 2020-07-03 骏能化工(龙南)有限公司 High-solid-content low-viscosity pressure-sensitive adhesive emulsion

Also Published As

Publication number Publication date
CN112143420A (en) 2020-12-29

Similar Documents

Publication Publication Date Title
US4371659A (en) Preparation of aqueous polymer dispersions having a polymer content of up to 75% by weight
US4590238A (en) High-solid self-adhesive and process for the production thereof
CN111961424B (en) High-solid-content low-viscosity acrylate emulsion pressure-sensitive adhesive and preparation method and application thereof
CN113999632A (en) Water-based acrylate pressure-sensitive adhesive and preparation method thereof
US20090270577A1 (en) Pressure-sensitive adhesive comprising a c10 alkyl (meth)acrylate
CN108250991B (en) Environment-friendly starch glue for decoration and preparation method thereof
CN116042141A (en) Novel high-performance acrylate pressure-sensitive adhesive emulsion and preparation process thereof
CN112143420B (en) High-solid-content acrylic pressure-sensitive adhesive and preparation method thereof
EP1409560B1 (en) Process for improving water-whitening resistance of pressure sensitive adhesives
CN111269350A (en) Environment-friendly water-based plastic-plastic composite adhesive and preparation method thereof
JP7264882B2 (en) ACRYLIC ADHESIVE COMPOSITION AND METHOD FOR MAKING THE SAME
WO2020099459A1 (en) Pressure-sensitive adhesive compositions and related aqueous polymer dispersions
CN111909624B (en) Emulsion type insect attracting plate adhesive for PET (polyethylene terephthalate) base material and preparation method thereof
CN114072477B (en) Acrylic adhesive composition
CN112080229A (en) Low-viscosity high-solid-content acrylic pressure-sensitive adhesive and preparation method thereof
CN113429522A (en) Preparation method of acrylic emulsion for high-gloss water-based industrial paint
CN112143424A (en) High-performance inorganic flame-retardant acrylic pressure-sensitive adhesive and preparation method thereof
CN112143421A (en) Preparation method of flame-retardant high-solid-content acrylic pressure-sensitive adhesive
CN111961155A (en) Method for preparing low-viscosity anionic surfactant
CN112126381A (en) Preparation method of energy-saving and environment-friendly acrylic pressure-sensitive adhesive for adhesive tape
CN117024663B (en) Acrylate emulsion for core-shell polymer cement and preparation method thereof
CN112143422A (en) Waterproof organic silicon modified acrylic pressure-sensitive adhesive and preparation method thereof
CN115287021B (en) Waterproof Hou Shuixing acrylate pressure-sensitive adhesive and preparation method thereof
CN116285797A (en) Solvent type acrylic ester pressure-sensitive adhesive and preparation method thereof
CN112126387A (en) Preparation method of emulsion type acrylic pressure-sensitive adhesive for high-gloss reflective cloth

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20220117

Address after: 246000 south of Longshan East Road and west of Gaoqiao Road, Taihu Economic Development Zone, Anqing City, Anhui Province

Applicant after: Anhui Fuyin New Material Co.,Ltd.

Address before: No.112, group 1, Bijia village, XiaZhai Town, Dali County, Weinan City, Shaanxi Province

Applicant before: Bi Siwen

GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 246000 south of Longshan East Road and west of Gaoqiao Road, Taihu Economic Development Zone, Anqing City, Anhui Province

Patentee after: Anhui Fuyin New Materials Co.,Ltd.

Address before: 246000 south of Longshan East Road and west of Gaoqiao Road, Taihu Economic Development Zone, Anqing City, Anhui Province

Patentee before: Anhui Fuyin New Material Co.,Ltd.