CN113061412B - Yellow glue capable of resisting plasticizer migration and preparation method thereof - Google Patents
Yellow glue capable of resisting plasticizer migration and preparation method thereof Download PDFInfo
- Publication number
- CN113061412B CN113061412B CN202110308832.XA CN202110308832A CN113061412B CN 113061412 B CN113061412 B CN 113061412B CN 202110308832 A CN202110308832 A CN 202110308832A CN 113061412 B CN113061412 B CN 113061412B
- Authority
- CN
- China
- Prior art keywords
- solvent
- rubber
- phenolic resin
- yellow glue
- resisting
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09J161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- 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
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
- C09J111/00—Adhesives based on homopolymers or copolymers of chloroprene
-
- 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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0853—Vinylacetate
-
- 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
- C09J131/00—Adhesives 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 an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
- C09J131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09J131/04—Homopolymers or copolymers of vinyl acetate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a yellow glue for resisting plasticizer migration and a preparation method thereof, wherein the yellow glue comprises the following raw materials in percentage by weight: 10-20% of chloroprene rubber, 10-15% of phenolic resin prepolymer, 10-15% of EVM rubber, 47-65% of solvent and 1-3% of anti-aging agent. The PVC finished product coated with the yellow glue capable of resisting the migration of the plasticizer is not easy to shift and degum after being stored for a long time and in the subsequent use process. The invention also provides a preparation method of the yellow glue for resisting plasticizer migration, which adopts a high-speed dispersion (800-1200 r/min) stirring process, and the painting and bonding effects of the prepared finished product are better than those of the rubber mixing method in the prior art.
Description
Technical Field
The invention relates to the technical field of PVC (polyvinyl chloride) adhesives, in particular to a yellow glue capable of resisting plasticizer migration and a preparation method thereof.
Background
PVC is widely used because of low price and high quality, and in the production process, an adhesive is needed to be adopted to bond PVC products.
Because the PVC material contains a large amount of plasticizer, the PVC finished product bonded by the polyurethane adhesive in the prior art is easy to shift or degum when in use due to the precipitation of the plasticizer after being stored for a period of time.
And the polyurethane adhesive needs to be thermally activated firstly, namely the polyurethane adhesive can be effectively bonded in an environment of not less than 50 ℃ after being brushed, so that much inconvenience is brought to production operation, and the production efficiency is low.
Disclosure of Invention
The invention aims to provide the yellow glue capable of resisting the migration of the plasticizer, which can be used at normal temperature, and the bonded PVC finished product can not be degummed after being stored for a long time and in the subsequent use process.
The invention also aims to provide a preparation method of the yellow glue with simple process and plasticizer migration resistance.
In order to achieve the purpose, the invention adopts the following technical scheme:
the yellow glue capable of resisting plasticizer migration comprises the following raw materials in percentage by weight:
10-20% of chloroprene rubber, 10-15% of phenolic resin prepolymer, 10-15% of EVM rubber, 47-65% of solvent and 1-3% of anti-aging agent.
Preferably, the chloroprene rubber is chloroprene rubber.
Specifically, the phenolic resin prepolymer comprises the following raw materials in percentage by weight: 30-45% of straight-chain phenolic resin, 40-52% of cyclohexane, 2-3% of distilled water and 13-15% of metal oxide A, wherein the metal oxide A is zinc oxide or magnesium oxide.
Preferably, the EVM rubber is an ethylene-vinyl acetate rubber, and the EVM rubber contains ethylene and vinyl acetate in a mass ratio of 4: (5-7).
Preferably, the solvent consists of a solvent A and a solvent B, wherein the solvent A is cyclohexane, and the solvent B is butanone or acetone.
Preferably, the antioxidant is antioxidant BHT, antioxidant 1010 or antioxidant 168.
Furthermore, the invention also provides a preparation method of the yellow glue for resisting the migration of the plasticizer, which comprises the following steps:
s1) respectively weighing 30-45% of straight-chain phenolic resin, 40-52% of cyclohexane, 2-3% of distilled water and 13-15% of metal oxide A according to weight percentage, wherein the metal oxide A is zinc oxide or magnesium oxide;
s2) slowly adding straight-chain phenolic resin into the stirred cyclohexane, then adding the metal oxide A, stirring uniformly, adding distilled water, and continuously stirring for a period of time to obtain the phenolic resin prepolymer;
s3) respectively weighing the following components in percentage by weight: 10-20% of chloroprene rubber, 10-15% of the phenolic resin prepolymer, 10-15% of EVM rubber, 47-65% of solvent and 1-3% of anti-aging agent, wherein the solvent consists of solvent A and solvent B;
and S4) adding the solvent A into the phenolic resin prepolymer, then adding chloroprene rubber and EVM rubber, dispersing at a high speed, stirring uniformly, adding the anti-aging agent, and then adding the solvent B to adjust viscosity, thus obtaining the yellow glue capable of resisting plasticizer migration.
Specifically, in the step S2), the time of continuous stirring after adding distilled water is 7 to 10 hours.
Specifically, in the step S4), the rotating speed of high-speed dispersion stirring is 800-1200r/min, and the time is 6-8 hours.
Specifically, in the step S4), the qualified viscosity is 4000-6000cps/25 ℃.
The invention has the beneficial effects that: the yellow glue for resisting plasticizer migration disclosed by the invention adopts phenolic resin prepolymer as tackifying resin to improve the bonding strength, and the EVM rubber is added to improve the performance of the plasticizer resistance, so that the effective bonding operation at 5-35 ℃ can be realized, and the PVC (polyvinyl chloride) finished product coated with the yellow glue for resisting plasticizer migration is not easy to come unstuck after being stored for a long time and in the subsequent use process.
The invention solves the technical problems that the adhesive force of the PVC manufactured product bonded by the adhesive in the prior art is invalid due to the precipitation of the plasticizer after being stored for a long time, and the displacement or degumming phenomenon is easy to occur
Detailed Description
The technical solution of the present invention will be further described with reference to the following embodiments.
The yellow glue capable of resisting plasticizer migration comprises the following raw materials in percentage by weight:
10-20% of chloroprene rubber, 10-15% of phenolic resin prepolymer, 10-15% of EVM rubber, 47-65% of solvent and 1-3% of anti-aging agent.
The yellow glue for resisting plasticizer migration disclosed by the invention adopts the phenolic resin prepolymer as the tackifying resin to improve the bonding strength, the EVM rubber is added to improve the performance of the plasticizer resistance, the effective bonding operation at 5-35 ℃ can be realized, and the PVC (polyvinyl chloride) finished product coated with the yellow glue for resisting plasticizer migration is not easy to degum after being stored for a long time and in the subsequent use process.
Preferably, the chloroprene rubber is chloroprene rubber.
The chloroprene rubber adopted by the invention has the viscosity of 76-115cps in a toluene solution with the mass concentration of 5% at 25 ℃, has higher crystallization speed and high production efficiency.
Specifically, the phenolic resin prepolymer comprises the following raw materials in percentage by weight: 30-45% of straight-chain phenolic resin, 40-52% of cyclohexane, 2-3% of distilled water and 13-15% of metal oxide A, wherein the metal oxide A is zinc oxide or magnesium oxide.
The phenolic resin prepolymer is prepared by adding distilled water into straight-chain phenolic resin, cyclohexane and zinc oxide (or magnesium oxide) for catalysis and chelation, and has the functions of improving the heat resistance and the storage stability of the yellow glue for resisting the migration of the plasticizer.
When the metal oxide A is magnesium oxide, the magnesium oxide has high activity, preferably high activity magnesium oxide of Nippon brand, and has bulk density of 0.2-0.3g/cm 3 。
Alternatively, when the metal oxide A is zinc oxide, the zinc oxide used should be activated zinc oxide, preferably activated zinc oxide having an average particle size of from 20 to 30 nm and a melting point of 1800 ℃ in Duba chemistry.
The distilled water plays a key catalytic role in the preparation of the phenolic resin prepolymer, and is beneficial to shortening the time of chelation reaction and ensuring the reaction to be more complete.
Preferably, the EVM rubber is an ethylene-vinyl acetate rubber, and the EVM rubber contains ethylene and vinyl acetate in a mass ratio of 4: (5-7).
The EVM within the mass ratio range can improve the oil resistance of the yellowing rubber resisting the migration of the plasticizer, and the EVM rubber has better heat resistance and aging resistance after being compatible with the fast-crystallization chloroprene rubber. When the mass percentage of vinyl acetate contained in the EVM rubber is as low as 50%, the prepared yellow rubber resistant to plasticizer migration is hard and easy to crack due to insufficient flexibility; on the contrary, when the EVM rubber contains more than 65% by mass of vinyl acetate, the prepared yellow glue film resisting plasticizer migration is too soft, and the peel strength is poor due to insufficient viscosity.
Preferably, the solvent consists of a solvent A and a solvent B, wherein the solvent A is cyclohexane, and the solvent B is butanone or acetone.
The yellow glue for resisting plasticizer migration comprises a combined solvent of a solvent A of cyclohexane and a solvent B of butanone or acetone as an environment-friendly solvent, and has a dissolving effect on each component in a formula.
Cyclohexane has a better dissolving effect for phenolic resin, and when phenolic resin prepolymer is mixed with chloroprene rubber and EVM rubber, butanone or acetone is needed to adjust solubility parameters, so that the prepared yellow glue for resisting plasticizer migration has better fluidity and is more beneficial to brushing.
Preferably, the antioxidant is antioxidant BHT, antioxidant 1010 or antioxidant 168.
The anti-aging agent can improve the weather resistance and aging resistance of the yellow glue resisting the migration of the plasticizer.
Furthermore, the invention also provides a preparation method of the yellow glue for resisting the migration of the plasticizer, which comprises the following steps:
s1) respectively weighing 30-45% of straight-chain phenolic resin, 40-52% of cyclohexane, 2-3% of distilled water and 13-15% of metal oxide A according to weight percentage, wherein the metal oxide A is zinc oxide or magnesium oxide;
s2) slowly adding straight-chain phenolic resin into the stirred cyclohexane, then adding the metal oxide A, stirring uniformly, adding distilled water, and continuously stirring for a period of time to obtain the phenolic resin prepolymer;
s3) respectively weighing the following components in percentage by weight: 10-20% of chloroprene rubber, 10-15% of the phenolic resin prepolymer, 10-15% of EVM rubber, 47-65% of solvent and 1-3% of anti-aging agent, wherein the solvent consists of a solvent A and a solvent B;
and S4) adding the solvent A into the phenolic resin prepolymer, then adding chloroprene rubber and EVM rubber, dispersing at a high speed, uniformly stirring, adding the anti-aging agent, and adding the solvent B to adjust the viscosity, thus obtaining the yellow glue resisting plasticizer migration.
Compared with the rubber mixing process in the prior art, the preparation process is simpler.
Specifically, in the step S2), the time of continuous stirring after adding distilled water is 7 to 10 hours.
The stirring is continuously carried out for 7 to 10 hours, so that the reaction of the straight-chain phenolic resin and the metal oxide A is more sufficient, and the initial viscosity is better.
Specifically, in the step S4), the rotating speed of high-speed dispersion stirring is 800-1200r/min, and the time is 6-8 hours.
The method of dispersing and stirring for 6-8 hours at high speed is beneficial to increasing the winding density and strength of long molecular chains contained in chloroprene rubber and EVM rubber, and the brushing and bonding effects of the prepared finished product are better than those of the rubber mixing method in the prior art.
Preferably, in step S4), the acceptable viscosity is 4000-6000cps/25 ℃.
The yellow glue with the viscosity of 4000-6000cps/25 ℃ for resisting the migration of the plasticizer not only has stronger bonding strength, but also has more proper fluidity, is more suitable for being coated at 5-35 ℃ and does not need heat activation for bonding.
Examples and comparative examples
The plasticizer migration resistant xanthan gum of each example and comparative example was prepared according to the following procedure:
s1) respectively weighing 30-45% of straight-chain phenolic resin, 40-52% of cyclohexane, 2-3% of distilled water and 13-15% of zinc oxide or magnesium oxide according to weight percentage;
s2) slowly adding straight-chain phenolic resin into the stirred cyclohexane, adding magnesium oxide or zinc oxide, uniformly stirring, adding distilled water as a catalyst, and continuously stirring for 7-10 hours to obtain a phenolic resin prepolymer;
s3) respectively weighing the following components in percentage by weight: 10-20% of chloroprene rubber, 10-15% of the phenolic resin prepolymer, 10-15% of EVM rubber, 47-65% of solvent and 1-3% of anti-aging agent;
and S4) stirring and adding a cyclohexane solvent into the phenolic resin prepolymer prepared in the step S2), then adding chloroprene rubber and EVM rubber, dispersing and stirring at a high speed for 6-8 hours, adding an anti-aging agent, and adding butanone or acetone to adjust the viscosity to 4000-6000cps/25 ℃ to obtain the yellow glue for resisting plasticizer migration.
Wherein the antioxidant is antioxidant BHT; the adopted zinc oxide is active zinc oxide with the chemical average grain diameter of the Duba being 20-30 nanometers and the melting point being 1800 ℃; the magnesium oxide is high-activity magnesium oxide with bulk density of 0.2-0.3g/cm 3 (ii) a The chloroprene rubber used has a viscosity of 76 to 115cps in a toluene solution having a mass concentration of 5% at 25 ℃.
According to the standard of GBT 532-2008 determination of bonding strength between vulcanized rubber or thermoplastic rubber and fabric, after a standard PVC sheet is polished, the yellow glue which is prepared in each example or comparative example and resists the migration of the plasticizer is coated with glue for three times, and then the yellow glue is dried, pressed and bonded, and the peel force (N/mm) is detected after the PVC sheet is placed for 5 days, 30 days and 90 days; and the peeled rubber surface was observed for the occurrence of cracks.
The raw material composition, process parameters and test results of each example and comparative example are shown in table 1.
Table 1 raw material components and test results of each of example 1 and comparative example 1
The data information and test result analysis according to the above examples and comparative examples illustrate the following:
1. analyzing examples 1-4 and comparative example 1, comparative example 1 has no added EVM rubber, and examples 1-4 have added 15wt%, 13wt%, 12wt% and 10wt% of EVM rubber, respectively, and comparing the results of the tests of the peeling force after 5 days, 30 days and 90 days for examples 1-4 and comparative example 1, it can be seen that the peeling force of examples 1-4 is significantly stronger than that of comparative example 1, and the rate of the decrease in the peeling force of examples 1-4 is also significantly lower than that of comparative example 1 with the increase of the storage time, which shows that the addition of EVM rubber can effectively improve the decrease in the peeling force after long-term storage of the plasticizer migration resistant yellow gum prepared in examples 1-4, and thus, the technical solution of the plasticizer migration resistant yellow gum of the present invention is effective, has good plasticizer migration resistant performance, does not appear degumming after 30 days of storage, still has strong adhesive strength, and is suitable for painting operation at 5-35 ℃.
2. The difference between comparative example 2 and example 2 is: the EVM rubber is added in 20wt% in comparative example 2, the upper limit of the EVM rubber is exceeded 15wt%, the addition amount of the EVM rubber in example 4-1 is increased from 10wt% to 15wt%, and the peeling strength of example 4-1 is correspondingly increased gradually, but the peeling strength of comparative example 2 is not increased, but is obviously reduced compared with example 2, which shows that the addition of the EVM rubber exceeding 15wt% cannot increase the adhesive strength any more, but obviously reduces, so the addition amount of the EVM rubber of the yellow rubber for resisting plasticizer migration is set to 10-15wt% more suitably.
3. Comparative example 3 differs from example 2 in that: the high-speed dispersion stirring time in the step S4) is 5 hours, and the test result of analyzing the peeling force of the comparative example 3 shows that the adhesive strength of the comparative example 3 is lower than that of the examples 1 to 4, which shows that the winding density and the winding strength of long molecular chains contained in the chloroprene rubber and the EVM rubber can be increased by the high-speed dispersion stirring, and the adhesive strength of the prepared yellow rubber resisting the migration of the plasticizer can be more effectively improved by the high-speed dispersion stirring time of 6 to 8 hours.
4. Comparative example 4 differs from example 2 in that: comparative example 4 is a mixing method process in which a linear phenolic resin is directly added instead of preparing a phenolic resin prepolymer in the prior art, and comparison of the detection results of comparative example 4 and comparative example 1 shows that the decay decrease rate of the peeling force of comparative example 4 is better than that of comparative example 1, but the strength of the peeling force is obviously reduced compared with that of example 2, which shows that the phenolic resin prepolymer adopted by the yellow glue for resisting plasticizer migration has stronger tackifying effect compared with the phenolic resin in the prior art.
5. Comparative example 5 differs from example 2 in that: the EVM added in the comparative example 5 contains 4 parts by mass of ethylene and vinyl acetate, and exceeds the upper limit of 4 (5-7), the proportion of the vinyl acetate is too small, so that the prepared yellow glue resisting the migration of the plasticizer is harder, and the peeling force after 5 days and 30 days of the comparative example 5 is obviously enhanced compared with that of the example 2, but the decay speed of the comparative example 5 is also obviously higher than that of the example 2, and fine cracks appear on the glue surface after the peeling force test after 90 days, which shows that the prepared yellow glue resisting the migration of the plasticizer is strong and harder and has insufficient flexibility and is easy to crack, and the quality ratio of the prepared yellow glue is as shown in the comparative example 5.
6. Comparative example 6 differs from example 2 in that: comparative example 6 added EVM containing ethylene and vinyl acetate in a mass ratio of 4 to 8, exceeding the lower limit of 4 (5-7), contains vinyl acetate in a too high proportion, resulting in a decrease in the tackiness of the resulting plasticizer migration resistant yellow adhesive, and the adhesive layer is soft, so that the peel force after 5 days, 30 days and 90 days of comparative example 6 is significantly reduced as compared with that of example 2, and the adhesive layer of comparative example 6 is insufficient in tackiness and poor in peel strength as compared with that of example 2; as a result of analyzing the results of the tests of comparative examples 5 and 6, it is found that it is preferable to set the EVM rubber of the plasticizer migration resistant tragacanth of the present invention to have a mass ratio of ethylene to vinyl acetate of 4 (5-7).
In conclusion, the yellow glue for resisting plasticizer migration adopts the phenolic resin prepolymer as tackifying resin to improve the bonding strength, and the EVM rubber is added to improve the performance of resisting the plasticizer, so that the effective bonding operation at the temperature of 5-35 ℃ can be realized, and a PVC (polyvinyl chloride) finished product coated with the yellow glue for resisting plasticizer migration is not easy to shift and degum after being stored for a long time and in the subsequent use process.
The preparation method of the yellow rubber for resisting the migration of the plasticizer, which is provided by the invention, adopts a simple process method of dispersing and stirring at a high speed for 6-8 hours, can effectively increase the winding density and strength of long molecular chains contained in the chloroprene rubber and the EVM rubber, and the brushing and bonding effects of the prepared finished product are better than those of a rubber mixing method in the prior art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents. The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the present invention.
Claims (5)
1. The yellow glue capable of resisting plasticizer migration is characterized by comprising the following raw materials in percentage by weight: 10-20% of chloroprene rubber, 10-15% of phenolic resin prepolymer, 10-15% of EVM rubber, 47-65% of solvent and 1-3% of anti-aging agent;
the chloroprene rubber is chloroprene rubber;
the EVM rubber is ethylene-vinyl acetate rubber, and the EVM rubber contains ethylene and vinyl acetate in a mass ratio of 4: (5-7);
the phenolic resin prepolymer comprises the following raw materials in percentage by weight: 30-45% of straight-chain phenolic resin, 40-52% of cyclohexane, 2-3% of distilled water and 13-15% of metal oxide A, wherein the metal oxide A is zinc oxide or magnesium oxide;
the preparation method of the yellow glue capable of resisting the migration of the plasticizer comprises the following steps:
s1) respectively weighing 30-45% of straight-chain phenolic resin, 40-52% of cyclohexane, 2-3% of distilled water and 13-15% of metal oxide A according to weight percentage, wherein the metal oxide A is zinc oxide or magnesium oxide;
s2) slowly adding straight-chain phenolic resin into the stirred cyclohexane, then adding the metal oxide A, stirring uniformly, adding distilled water, and continuously stirring for a period of time to obtain the phenolic resin prepolymer;
s3) respectively weighing the following components in percentage by weight: 10-20% of chloroprene rubber, 10-15% of the phenolic resin prepolymer, 10-15% of EVM rubber, 47-65% of solvent and 1-3% of anti-aging agent, wherein the solvent consists of a solvent A and a solvent B;
s4) adding the solvent A into the phenolic resin prepolymer, then adding chloroprene rubber and EVM rubber, dispersing at a high speed, stirring uniformly, adding the anti-aging agent, and then adding the solvent B to adjust viscosity, thus obtaining the yellow glue for resisting plasticizer migration;
in the step S4), the rotating speed of high-speed dispersion stirring is 800-1200r/min, and the time is 6-8 hours.
2. The yellow glue for resisting plasticizer migration according to claim 1, wherein the solvent consists of a solvent A and a solvent B, the solvent A is cyclohexane, and the solvent B is butanone or acetone.
3. The yellow glue of claim 1, wherein said antioxidant is antioxidant BHT, antioxidant 1010 or antioxidant 168.
4. The yellow glue of claim 1, wherein the continuous stirring time after adding distilled water in step S2) is 7-10 hours.
5. The yellow glue of claim 1, wherein the acceptable viscosity in step S4) is 4000-6000cps/25 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110308832.XA CN113061412B (en) | 2021-03-23 | 2021-03-23 | Yellow glue capable of resisting plasticizer migration and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110308832.XA CN113061412B (en) | 2021-03-23 | 2021-03-23 | Yellow glue capable of resisting plasticizer migration and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113061412A CN113061412A (en) | 2021-07-02 |
| CN113061412B true CN113061412B (en) | 2022-10-04 |
Family
ID=76563456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110308832.XA Active CN113061412B (en) | 2021-03-23 | 2021-03-23 | Yellow glue capable of resisting plasticizer migration and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113061412B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1029003C (en) * | 1991-03-15 | 1995-06-21 | 辛辉 | Method for preparing chloroprene rubber graft adhesive |
| CN1063207C (en) * | 1996-10-21 | 2001-03-14 | 厦门大学 | Light-color grifted neoprene adhesive and its prodn |
| CN103045134A (en) * | 2011-11-30 | 2013-04-17 | 成都盛尔嘉科技有限公司 | Chloroprene rubber adhesive agent and preparation method thereof |
| WO2019136671A1 (en) * | 2018-01-11 | 2019-07-18 | Arlanxeo Deutschland Gmbh | Polychloroprene-based contact adhesives containing ethylene-vinyl acetate copolymer |
| CN108587519A (en) * | 2018-02-22 | 2018-09-28 | 河南城建学院 | A kind of aqueous composite adhesive and preparation method thereof |
-
2021
- 2021-03-23 CN CN202110308832.XA patent/CN113061412B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113061412A (en) | 2021-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1154709C (en) | Poyurethane adhesive, method for use in bonding, and use of mixture | |
| CN112126389B (en) | Plasticizer migration resistant aqueous pressure-sensitive adhesive and preparation method thereof | |
| CN109384983A (en) | A kind of aviation oil resistant high-low temperature resistant rubber and preparation method thereof | |
| WO2008004519A1 (en) | Solid rubber adhesive composition and adhesive sheet thereof | |
| CN113061412B (en) | Yellow glue capable of resisting plasticizer migration and preparation method thereof | |
| CN102925097A (en) | Waterborne polyurethane primer for coating plastic film and preparation method thereof | |
| CN111234726A (en) | Pressure-sensitive adhesive tape capable of being repeatedly pasted and preparation method thereof | |
| CN112194989A (en) | Acrylate modified rubber pressure-sensitive adhesive, adhesive tape and preparation method thereof | |
| CN116254093B (en) | Modified asphalt sizing material composition, modified asphalt sizing material, waterproof coiled material, preparation method and application thereof | |
| CN115627115B (en) | Coating, substrate with coating and preparation method of substrate | |
| CN108504024B (en) | Interpenetrating network polymer for low-temperature heat-sealing film and low-temperature heat-sealing PE film | |
| CN115820173B (en) | Glue for die-cutting PET protective film and preparation method of glue | |
| CN111690354B (en) | Hot melt adhesive for self-crosslinking label and preparation method thereof | |
| CN111454422B (en) | A kind of vacuum suction plastic with high peeling strength and preparation method thereof | |
| CN111732913B (en) | Cable label-to-adhesive and preparation method thereof | |
| CN114958272A (en) | Moisture-curing polyurethane hot melt adhesive for aluminum-plastic compounding | |
| CN110283543B (en) | Silicone pressure-sensitive adhesive for masking tape and preparation method thereof | |
| CN114702893A (en) | Polyurethane primer and preparation method thereof | |
| JP2023065080A (en) | Adhesive for lamination | |
| CN116676049A (en) | PVC foam adhesive tape | |
| CN114045115B (en) | Degradable BOPP precoating film and preparation method thereof | |
| CN115044020B (en) | Application of polyester polyol in adhesive for food packaging | |
| CN113480955B (en) | Removable hot-melt pressure-sensitive adhesive and preparation method thereof | |
| CN116657441B (en) | Preparation method of release paper | |
| CN114539935A (en) | Foaming body adhesive tape applied to automobile EPDM sealing strip and preparation method thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |