CN113512381A - Anti-sticking blister adhesive and preparation method thereof - Google Patents
Anti-sticking blister adhesive and preparation method thereof Download PDFInfo
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- CN113512381A CN113512381A CN202110572646.7A CN202110572646A CN113512381A CN 113512381 A CN113512381 A CN 113512381A CN 202110572646 A CN202110572646 A CN 202110572646A CN 113512381 A CN113512381 A CN 113512381A
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- polyisocyanate
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- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000853 adhesive Substances 0.000 title abstract description 10
- 230000001070 adhesive effect Effects 0.000 title abstract description 10
- 229920003023 plastic Polymers 0.000 claims abstract description 40
- 239000004033 plastic Substances 0.000 claims abstract description 40
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 38
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 34
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 28
- 239000004014 plasticizer Substances 0.000 claims abstract description 28
- 239000005056 polyisocyanate Substances 0.000 claims abstract description 27
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000008367 deionised water Substances 0.000 claims abstract description 25
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 25
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 22
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims abstract description 22
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 claims abstract description 19
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004568 cement Substances 0.000 claims abstract description 17
- 229920001577 copolymer Polymers 0.000 claims abstract description 15
- 150000002148 esters Chemical class 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 35
- 229920006243 acrylic copolymer Polymers 0.000 claims description 15
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- -1 polydimethylsiloxane Polymers 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 4
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 4
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 4
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical group CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 4
- 229920001921 poly-methyl-phenyl-siloxane Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 12
- 238000007789 sealing Methods 0.000 abstract description 4
- 239000003292 glue Substances 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 12
- 239000000047 product Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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
- C09J133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- 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
- C08F220/00—Copolymers 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
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to the technical field of plastic cement, in particular to anti-sticking plastic cement and a preparation method thereof, wherein the anti-sticking plastic cement comprises the following raw materials: large number average molecular weight acrylic acid (ester) copolymer, styrene, butyl acrylate, acrylic acid, phenyl cellosolve, trimethylolpropane triacrylate, plasticizer, leveling agent, polyisocyanate, polyethylene oxide and deionized water. The anti-sticking blister adhesive has excellent temperature resistance and anti-sticking performance, and the situation of sticking back and air leakage is not easy to occur after vacuum blister packaging of products such as hardware or players and the like is finished, so that the sealing performance of the packaging can be kept for a long time.
Description
Technical Field
The invention relates to the technical field of plastic uptake glue, in particular to anti-sticking plastic uptake glue and a preparation method thereof.
Background
The vacuum plastic sucking process is widely applied to the packaging or packaging manufacture of products such as computer tables, dressing tables, cabinets, door panels, furniture, toys, hardware and the like. The construction process comprises covering a PVC film on a density board which is dried after glue spraying, heating and softening PVC and activating plastic-absorbing glue through a vacuum plastic-absorbing machine, pumping air between the PVC film and the density board glue film by vacuum, and enabling the PVC film to be tightly adhered on the density board by virtue of atmospheric pressure. The process has the greatest characteristic that the process does not need to spray paint or coating, is a paint-free process, and is particularly important in the preparation of door panels and furniture. If the anti-sticking performance of the absorbing plastic is not good, the PVC film is easy to warp.
Similarly, in the packaging application of toys or hardware, if the anti-sticking performance of the blister glue is not good after the packaging is finished, the situation of partial degumming is easy to occur, so that the sealing performance of the packaging is damaged, and the possibility of damaging the packaged product by water vapor, VOC and the like in the external environment is increased.
Therefore, how to effectively improve the anti-sticking performance of the vacuum plastic is one of the important ways to improve the quality of vacuum plastic packaging.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the anti-sticking plastic cement which has excellent temperature resistance and anti-sticking performance, is not easy to stick back and leak after vacuum plastic packaging of products such as hardware or players and the like is finished, and can keep the sealing performance of the packaging for a long time.
The purpose of the invention is realized by the following technical scheme: the anti-sticking blister adhesive comprises the following raw materials: large number average molecular weight acrylic acid (ester) copolymer, styrene, butyl acrylate, acrylic acid, phenyl cellosolve, trimethylolpropane triacrylate, plasticizer, leveling agent, polyisocyanate, polyethylene oxide and deionized water.
Preferably, the feed comprises the following raw materials in parts by weight: 15-19 parts of acrylic acid (ester) copolymer with large number average molecular weight, 5-10 parts of styrene, 5-10 parts of butyl acrylate, 20-25 parts of acrylic acid, 0.5-1 part of phenyl cellosolve, 3-5 parts of trimethylolpropane triacrylate, 0.5-1 part of plasticizer, 0.5-1 part of flatting agent, 2-3 parts of polyisocyanate, 1-2 parts of polyethylene oxide and 50-60 parts of deionized water.
Preferably, the feed comprises the following raw materials in parts by weight: 15-17 parts of acrylic acid (ester) copolymer with large number average molecular weight, 5-8 parts of styrene, 5-8 parts of butyl acrylate, 20-23 parts of acrylic acid, 0.5-0.8 part of phenyl cellosolve, 3-4 parts of trimethylolpropane triacrylate, 0.5-0.8 part of plasticizer, 0.5-0.8 part of flatting agent, 2-2.5 parts of polyisocyanate, 1-1.5 parts of polyethylene oxide and 50-55 parts of deionized water.
Preferably, the feed comprises the following raw materials in parts by weight: 17-19 parts of acrylic acid (ester) copolymer with large number average molecular weight, 8-10 parts of styrene, 8-10 parts of butyl acrylate, 23-25 parts of acrylic acid, 0.8-1 part of phenyl cellosolve, 4-5 parts of trimethylolpropane triacrylate, 0.8-1 part of plasticizer, 0.8-1 part of flatting agent, 2.5-3 parts of polyisocyanate, 1.5-2 parts of polyethylene oxide and 55-60 parts of deionized water.
Preferably, the number average molecular weight of the large number average molecular weight acrylic copolymer is 5 to 50 ten thousand.
More preferably, the large number average molecular weight acrylic copolymer has a number average molecular weight of 8 ten thousand.
Preferably, the plasticizer is one or a combination of more than one of dioctyl phthalate, diethyl phthalate and dibutyl phthalate.
Preferably, the leveling agent is one of polydimethylsiloxane, polymethylphenylsiloxane and alkyl modified organosiloxane.
Preferably, the polyisocyanate is toluene diisocyanate or diphenylmethane diisocyanate.
The preparation method of the anti-sticking plastic cement comprises the anti-sticking plastic cement, and comprises the following steps: 1) adding styrene, butyl acrylate, acrylic acid, phenyl cellosolve, trimethylolpropane triacrylate and 50% of deionized water into a reaction kettle, continuously stirring for reacting for 2-4h, 2), adding a large-number-average-molecular-weight acrylic copolymer, polyethylene oxide, a flatting agent and the rest of deionized water into the reaction kettle, continuously stirring for reacting for 1-2h, 3), adding a plasticizer and polyisocyanate into the reaction kettle, uniformly stirring and mixing, preserving heat for 1-2h, 4), cooling and discharging.
Preferably, the stirring speed in the step 1) is 350-450r/min, the reaction temperature is 80-90 ℃, the stirring speed in the step 2) is 550-750r/min, the reaction temperature is 95-100 ℃, the stirring speed in the step 3) is 500-600r/min, and the heat preservation temperature is 60-70 ℃.
The invention has the beneficial effects that: the anti-sticking blister adhesive uses the acrylic acid (ester) copolymer with large number average molecular weight as a macromolecular protective component, and after the blister adhesive forms a film, the film can be endowed with higher hardness, so that the anti-sticking performance of the blister adhesive coating is improved; the plasticizer can effectively improve the heat resistance and the mechanical property of the absorbent plastic; the polyethylene oxide is matched with the flatting agent, so that precipitation can be avoided, the uniformity of components of the glue solution can be obviously improved, and the multi-functional monomer trimethylolpropane triacrylate is introduced, so that the plastic-absorbing rubber has stronger cohesive force than the existing products in the market, water vapor is not easy to permeate into the glue layer, the internal structure of the glue layer has strong binding force, the integrity of the glue layer is strong, and the phenomenon of back adhesion caused by local excessive softening of the glue solution can be avoided; and hydroxyl (-OH) and isocyanate (-NCO) group react, double bonds are introduced into a glue solution system, and the glue solution containing the double bonds is synthesized to further enhance the cohesive force of the glue solution, so that the temperature resistance of the glue solution is further improved. The high number average molecular weight acrylic acid (ester) copolymer, the plasticizer, polyethylene oxide, the flatting agent, trimethylolpropane triacrylate, the mutual synergistic reaction of polyisocyanate, the structural strength of the glue layer formed by the plastic cement is obviously improved, the temperature resistance and the cohesion of the glue layer are improved, the binding force between all parts in the glue layer is enhanced, the integrity of the glue layer can still be kept at a higher temperature, the aim of obviously improving the anti-tack performance of the plastic cement is achieved, the condition of tack-back air leakage is not easy to occur after the vacuum plastic-sucking packaging of products such as hardware or players is finished, and the sealing performance of the packaging can be kept for a long time.
Detailed Description
The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
Example 1
The anti-sticking plastic comprises the following raw materials in parts by weight: 15 parts of acrylic acid (ester) copolymer with large number average molecular weight, 5 parts of styrene, 5 parts of butyl acrylate, 20 parts of acrylic acid, 0.5 part of phenyl cellosolve, 3 parts of trimethylolpropane triacrylate, 0.5 part of plasticizer, 0.5 part of flatting agent, 2 parts of polyisocyanate, 1 part of polyethylene oxide and 50 parts of deionized water.
The large number average molecular weight acrylic copolymer has a number average molecular weight of 5 ten thousand.
The plasticizer is dioctyl phthalate.
The leveling agent is polydimethylsiloxane.
The polyisocyanate is toluene diisocyanate.
The preparation method of the anti-sticking plastic cement comprises the anti-sticking plastic cement, and comprises the following steps: 1) adding styrene, butyl acrylate, acrylic acid, phenyl cellosolve, trimethylolpropane triacrylate and 50% of deionized water into a reaction kettle, continuously stirring for reacting for 2h, 2), adding a large-number-average-molecular-weight acrylic copolymer, polyethylene oxide, a flatting agent and the rest of deionized water into the reaction kettle, continuously stirring for reacting for 1h, 3), adding a plasticizer and polyisocyanate into the reaction kettle, uniformly stirring and mixing, preserving heat for 1h, 4), cooling and discharging.
The stirring speed in the step 1) is 350r/min, the reaction temperature is 80 ℃, the stirring speed in the step 2) is 550r/min, the reaction temperature is 95 ℃, the stirring speed in the step 3) is 500r/min, and the heat preservation temperature is 60 ℃.
Example 2
The anti-sticking plastic comprises the following raw materials in parts by weight: 16 parts of acrylic acid (ester) copolymer with large number average molecular weight, 7 parts of styrene, 7 parts of butyl acrylate, 22 parts of acrylic acid, 0.7 part of phenyl cellosolve, 3.5 parts of trimethylolpropane triacrylate, 0.7 part of plasticizer, 0.7 part of flatting agent, 2.3 parts of polyisocyanate, 1.4 parts of polyethylene oxide and 51 parts of deionized water.
The number average molecular weight of the acrylic copolymer with large number average molecular weight is 8 ten thousand.
The plasticizer is diethyl phthalate.
The leveling agent is polymethylphenylsiloxane.
The polyisocyanate is diphenylmethane diisocyanate.
The preparation method of the anti-sticking plastic cement comprises the anti-sticking plastic cement, and comprises the following steps: 1) adding styrene, butyl acrylate, acrylic acid, phenyl cellosolve, trimethylolpropane triacrylate and 50% of deionized water into a reaction kettle, continuously stirring for reaction for 3h, 2), adding a large-number-average-molecular-weight acrylic copolymer, polyethylene oxide, a flatting agent and the rest of deionized water into the reaction kettle, continuously stirring for reaction for 1.5h, 3), adding a plasticizer and polyisocyanate into the reaction kettle, uniformly stirring and mixing, preserving heat for 1.5h, 4), cooling and discharging.
The stirring speed in the step 1) is 400r/min, the reaction temperature is 85 ℃, the stirring speed in the step 2) is 650r/min, the reaction temperature is 97 ℃, the stirring speed in the step 3) is 550r/min, and the heat preservation temperature is 65 ℃.
Example 3
The anti-sticking plastic comprises the following raw materials in parts by weight: 17 parts of acrylic acid (ester) copolymer with large number average molecular weight, 8 parts of styrene, 8 parts of butyl acrylate, 23 parts of acrylic acid, 0.8 part of phenyl cellosolve, 4 parts of trimethylolpropane triacrylate, 0.8 part of plasticizer, 0.8 part of flatting agent, 2.5 parts of polyisocyanate, 1.5 parts of polyethylene oxide and 55 parts of deionized water.
The large number average molecular weight acrylic copolymer has a number average molecular weight of 12 ten thousand.
The plasticizer is dibutyl phthalate.
The leveling agent is alkyl modified organic siloxane.
The polyisocyanate is toluene diisocyanate.
The preparation method of the anti-sticking plastic cement comprises the anti-sticking plastic cement, and comprises the following steps: 1) adding styrene, butyl acrylate, acrylic acid, phenyl cellosolve, trimethylolpropane triacrylate and 50% of deionized water into a reaction kettle, continuously stirring for reaction for 3h, 2), adding a large-number-average-molecular-weight acrylic copolymer, polyethylene oxide, a flatting agent and the rest of deionized water into the reaction kettle, continuously stirring for reaction for 1.5h, 3), adding a plasticizer and polyisocyanate into the reaction kettle, uniformly stirring and mixing, preserving heat for 1.5h, 4), cooling and discharging.
The stirring speed in the step 1) is 400r/min, the reaction temperature is 85 ℃, the stirring speed in the step 2) is 700r/min, the reaction temperature is 98 ℃, the stirring speed in the step 3) is 580r/min, and the heat preservation temperature is 65 ℃.
Example 4
The anti-sticking plastic comprises the following raw materials in parts by weight: 19 parts of acrylic acid (ester) copolymer with large number average molecular weight, 10 parts of styrene, 10 parts of butyl acrylate, 25 parts of acrylic acid, 1 part of phenyl cellosolve, 5 parts of trimethylolpropane triacrylate, 1 part of plasticizer, 1 part of flatting agent, 3 parts of polyisocyanate, 2 parts of polyethylene oxide and 60 parts of deionized water.
The large number average molecular weight acrylic copolymer has a number average molecular weight of 50 ten thousand.
The plasticizer is a composition formed by dioctyl phthalate and diethyl phthalate in a ratio of 1: 2.
The leveling agent is polydimethylsiloxane.
The polyisocyanate is diphenylmethane diisocyanate.
The preparation method of the anti-sticking plastic cement comprises the anti-sticking plastic cement, and comprises the following steps: 1) adding styrene, butyl acrylate, acrylic acid, phenyl cellosolve, trimethylolpropane triacrylate and 50% of deionized water into a reaction kettle, continuously stirring for reacting for 4h, 2), adding a large-number-average-molecular-weight acrylic copolymer, polyethylene oxide, a flatting agent and the rest of deionized water into the reaction kettle, continuously stirring for reacting for 2h, 3), adding a plasticizer and polyisocyanate into the reaction kettle, uniformly stirring and mixing, preserving heat for 2h, 4), cooling and discharging.
The stirring speed in the step 1) is 450r/min, the reaction temperature is 90 ℃, the stirring speed in the step 2) is 750r/min, the reaction temperature is 100 ℃, the stirring speed in the step 3) is 600r/min, and the heat preservation temperature is 70 ℃.
Comparative example 1
This comparative example differs from example 1 in that: this comparative example replaces the large number average molecular weight acrylic copolymer of example 1 with an acrylic copolymer having a number average molecular weight of 8000.
Comparative example 2
This comparative example differs from example 1 in that: this comparative example does not contain trimethylolpropane triacrylate and polyisocyanate.
Comparative example 3
This comparative example differs from example 1 in that: the comparative example does not contain a leveling agent and polyethylene oxide.
Comparative example 4
This comparative example differs from example 1 in that: this comparative example does not contain a plasticizer.
Anti-tack test: the two adhesive surfaces coated with the plastic absorbing material are adhered together and placed under a certain environmental temperature to continuously apply a pulling force (1KG) vertical to the adhesive surfaces, whether the phenomenon of the adhesive-back phenomenon occurs or not is observed after 24h, the environmental temperature is gradually increased after a plurality of tests until the adhesive-back stopping test occurs, and the previous test temperature at which the adhesive-back occurs is the maximum heat-resistant non-adhesive temperature and is recorded in the following table:
the above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (10)
1. The anti-sticking plastic is characterized in that: the method comprises the following raw materials: large number average molecular weight acrylic acid (ester) copolymer, styrene, butyl acrylate, acrylic acid, phenyl cellosolve, trimethylolpropane triacrylate, plasticizer, leveling agent, polyisocyanate, polyethylene oxide and deionized water.
2. The anti-stick-back plastic according to claim 1, wherein: the feed comprises the following raw materials in parts by weight: 15-19 parts of acrylic acid (ester) copolymer with large number average molecular weight, 5-10 parts of styrene, 5-10 parts of butyl acrylate, 20-25 parts of acrylic acid, 0.5-1 part of phenyl cellosolve, 3-5 parts of trimethylolpropane triacrylate, 0.5-1 part of plasticizer, 0.5-1 part of flatting agent, 2-3 parts of polyisocyanate, 1-2 parts of polyethylene oxide and 50-60 parts of deionized water.
3. The anti-stick-back plastic according to claim 1, wherein: the feed comprises the following raw materials in parts by weight: 15-17 parts of acrylic acid (ester) copolymer with large number average molecular weight, 5-8 parts of styrene, 5-8 parts of butyl acrylate, 20-23 parts of acrylic acid, 0.5-0.8 part of phenyl cellosolve, 3-4 parts of trimethylolpropane triacrylate, 0.5-0.8 part of plasticizer, 0.5-0.8 part of flatting agent, 2-2.5 parts of polyisocyanate, 1-1.5 parts of polyethylene oxide and 50-55 parts of deionized water.
4. The anti-stick-back plastic according to claim 1, wherein: the feed comprises the following raw materials in parts by weight: 17-19 parts of acrylic acid (ester) copolymer with large number average molecular weight, 8-10 parts of styrene, 8-10 parts of butyl acrylate, 23-25 parts of acrylic acid, 0.8-1 part of phenyl cellosolve, 4-5 parts of trimethylolpropane triacrylate, 0.8-1 part of plasticizer, 0.8-1 part of flatting agent, 2.5-3 parts of polyisocyanate, 1.5-2 parts of polyethylene oxide and 55-60 parts of deionized water.
5. The anti-stick-back plastic according to claim 1, wherein: the number average molecular weight of the acrylic copolymer with large number average molecular weight is 5-50 ten thousand.
6. The anti-stick-back plastic according to claim 1, wherein: the plasticizer is one or a composition of more than one of dioctyl phthalate, diethyl phthalate and dibutyl phthalate.
7. The anti-stick-back plastic according to claim 1, wherein: the leveling agent is one of polydimethylsiloxane, polymethylphenylsiloxane and alkyl modified organosiloxane.
8. The anti-stick-back plastic according to claim 1, wherein: the polyisocyanate is toluene diisocyanate or diphenylmethane diisocyanate.
9. The preparation method of the anti-sticking plastic is characterized by comprising the following steps: comprising the anti-stick-back plastic of any of claims 1-8, comprising the steps of: 1) adding styrene, butyl acrylate, acrylic acid, phenyl cellosolve, trimethylolpropane triacrylate and 50% of deionized water into a reaction kettle, continuously stirring for reacting for 2-4h, 2), adding a large-number-average-molecular-weight acrylic copolymer, polyethylene oxide, a flatting agent and the rest of deionized water into the reaction kettle, continuously stirring for reacting for 1-2h, 3), adding a plasticizer and polyisocyanate into the reaction kettle, uniformly stirring and mixing, preserving heat for 1-2h, 4), cooling and discharging.
10. The method for preparing the anti-sticking back plastic cement as claimed in claim 9, wherein: the stirring speed in the step 1) is 350-450r/min, the reaction temperature is 80-90 ℃, the stirring speed in the step 2) is 550-750r/min, the reaction temperature is 95-100 ℃, the stirring speed in the step 3) is 500-600r/min, and the heat preservation temperature is 60-70 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110572646.7A CN113512381A (en) | 2021-05-25 | 2021-05-25 | Anti-sticking blister adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110572646.7A CN113512381A (en) | 2021-05-25 | 2021-05-25 | Anti-sticking blister adhesive and preparation method thereof |
Publications (1)
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009114384A (en) * | 2007-11-08 | 2009-05-28 | Nippon Carbide Ind Co Inc | Self-adhesive agent composition and optical film |
| CN108641660A (en) * | 2018-05-15 | 2018-10-12 | 陈丽 | The preparation method of impact polypropylene acid esters ceramic binder |
| CN109439241A (en) * | 2018-10-08 | 2019-03-08 | 东莞市冠力胶业有限公司 | A kind of environment-friendly type blister packaging sealant and its preparation method and application |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009114384A (en) * | 2007-11-08 | 2009-05-28 | Nippon Carbide Ind Co Inc | Self-adhesive agent composition and optical film |
| CN108641660A (en) * | 2018-05-15 | 2018-10-12 | 陈丽 | The preparation method of impact polypropylene acid esters ceramic binder |
| CN109439241A (en) * | 2018-10-08 | 2019-03-08 | 东莞市冠力胶业有限公司 | A kind of environment-friendly type blister packaging sealant and its preparation method and application |
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Application publication date: 20211019 |