CN106833449A - A kind of biodegradable polydactyl acid adhesive tape and preparation method thereof - Google Patents
A kind of biodegradable polydactyl acid adhesive tape and preparation method thereof Download PDFInfo
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- CN106833449A CN106833449A CN201710075796.0A CN201710075796A CN106833449A CN 106833449 A CN106833449 A CN 106833449A CN 201710075796 A CN201710075796 A CN 201710075796A CN 106833449 A CN106833449 A CN 106833449A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Adhesives based on derivatives of such polymers
- C09J143/04—Homopolymers or copolymers of monomers containing silicon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- 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
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- 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
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
-
- 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
- C09J2433/00—Presence of (meth)acrylic polymer
Abstract
The present invention relates to a kind of biodegradable polydactyl acid adhesive tape and preparation method.The composition of described degradable adhesive tape includes with PLA (PLA), succinic acid-butanediol ester tetramethylene adipate copolymer (PBSA), nano-cellulose and thermoplastic starch (TPS) that as base material modified acroleic acid ester pressure-sensitive is viscose.Described substrate layer is nontoxic, free of contamination mixing degradation material layer, and described adhesive is the pressure sensitive adhesive of modified, high temperature resistant.The degradable adhesive tape selection is reasonable, safety and environmental protection, not only meets the peel strength of adhesive tape, holds the requirement such as stickiness, and be also equipped with excellent biodegradable, water and carbon dioxide can be degraded under microbial action, and there is good application prospect at the aspects such as many.
Description
Technical field
The invention belongs to field of high polymer material processing, more specifically to a kind of biodegradable polydactyl acid
Adhesive tape and preparation method thereof.
Background technology
The discarded object of Common Polymers material be negatively affected to environment it is outer, except itself can not natural degradation, no
The use of good plasticizer and age resistor further with the addition of its density of infection.The R and D of green material will be helpful to alleviate this
Problem in a little actual productions and application.
Degradable green material source extensively, low, the easy recycle and reuse rate that consumes energy it is high, production, using, it is discarded and return
Receive using in processing procedure, the saving of resource and the energy can be accomplished, can degrade or recycle with fast speed after discarding, do not cause
Destruction to the ecological balance, while this material is harmless.Biological material PLA and PBSA exactly meet these requirements
One of ideal material.
It with lactic acid is polymer that main polymerizable raw material is obtained that PLA (PLA) is, raw material sources are fully and can be again
It is raw.The production process of PLA is pollution-free, and product can realize the circulation in nature, therefore be preferable with biodegradation
Green Polymer Material.Although PLA has excellent mechanical property, because fragility is big limit its in many aspects should
With.Succinic acid-butanediol ester-tetramethylene adipate copolymer (PBSA) is a kind of thermoplastic aliphatic's polyester, with can be biological
Degradability, melt-processible, good mechanical performance, heat resistance and chemical resistance.
Adhesive tape is applied widely in people's daily life, the continuous enhancing with people to environmental consciousness, and environmental protection can
The adhesive tape research and development of degradation-type are also gradually favored.At this stage, domestic less to the research and development of degradable adhesive tape, in the market is also rare
More ripe product is released.
The content of the invention
The present inventor can be effectively improved PLA and prepare film by studying to find for PBSA by certain mass ratio to be added to PLA
Defect present in process.Nano-cellulose is made due to its light weight and with excellent biodegradable, recyclability with it
Be the packing material of PLA, the mechanical property and barrier property of PLA composites can be improved, and improve PLA thermal property and
Degradation property.Additionally, the addition of TPS not only reduces the cost of PLA material product, its degraded speed is more likely further improved
Rate.And by adding organic silicon monomer (KH570) and additional aqueous polyisocyanates (GH) curing agent to Acrylate pressure sensitive
Glue is modified, and the combination property of the adhesive for preparing is relatively best.
The purpose of the present invention is directed to the demand, there is provided a kind of biodegradable polydactyl acid adhesive tape, this is new
Just rationally, not only safety is degradable for adhesive tape choosing, moreover it is possible to meet the requirement for holding stickiness and peel strength.
It is a further object of the present invention to provide a kind of method for preparing above-mentioned adhesive tape.
To achieve the above object, for the processing characteristics of PLA itself, one is pressed from PBSA, TPS and nano-cellulose
Determine the blended melting of mass ratio to be modified, prepare mixing material to improve defect present in PLA processing.
Degradable polydactyl acid adhesive tape of the present invention, it is characterised in that described degradable adhesive tape includes base material
Layer, adhesive layer.Described adhesive layer is located at base material layer surface, and described substrate layer is nontoxic, free of contamination degradable mixed
Condensation material, described adhesive is modified high temperature resistant acrylate pressure-sensitive adhesive.
Described base material is PLA (PLA), 10-20% succinic acid-butanediol esters-tetramethylene adipate copolymer
(PBSA), 0-3% nano-celluloses and 0-30% thermoplastic starch (TPS) (for both with respect to PLA mass), base material film thickness
It it is 20 μm -150 μm, described adhesive is pressure sensitive adhesive.The preparation technology route of modified PLA base material films is as shown in Figure 2.
Described adhesive is further selected from the pressure sensitive adhesive of modified, high temperature resistant, mainly using semi-continuous seed emulsion polymerization
Method, is changed by adding organic silicon monomer (KH570) and additional aqueous polyisocyanates (GH) curing agent to acrylate pressure-sensitive adhesive
Property, a kind of modified acroleic acid ester pressure-sensitive of preparation.
Preferred modified, high temperature resistant acrylate pressure-sensitive adhesive of the invention, monomer composition is as follows：
By adding γ-methacryloxypropyl trimethoxy silane and aqueous polyisocyanates to acrylate pressure
Quick glue is modified to be obtained.
The preparation method of degradable adhesive tape of the present invention, step and condition are as follows：
The first step：Modified acroleic acid ester pressure-sensitive adhesive is prepared, the adhesive will be obtained further by following technique：
Step 1. is by monomer [60% butyl acrylate (BA), 16% acrylic acid-2-ethyl caproite (2-EHA), 12% acetic acid
Vinyl acetate (VAc), 4% hydroxy-ethyl acrylate (HEA), 8% acrylic acid (AA), 0~1% γ-methacryloxypropyl three
Methoxy silane (KH-570), 0.7% aqueous polyisocyanates (GH) (for total monomer quality)], addition 1.2% alkane
The deionized water of base phenol polyethenoxy ether/lauryl sodium sulfate (OP-10/SDS) composite emulsifier to 36% is (both with respect to total
For monomer mass) mixing and stirring, obtain pre-emulsion；
Prepared in the deionized water (for both with respect to total monomer quality) of the NaHCO3 to 28% of step 2. addition 0.2%
Cushioning liquid, is added in the four-hole boiling flask equipped with condenser pipe, thermometer, agitator and constant pressure funnel, is warming up to 80 DEG C, starts
1/3 pre-emulsion and 1/3 initiator (APS) is added dropwise, drop is incubated 0.5h after finishing；
Step 3. is added dropwise remaining initiator and the pre-emulsion [w (NDM)=0.08% containing chain-transferring agent (NDM) simultaneously
(for total monomer quality)], 3~4h drops finish；
Step 4. is warming up to 85~90 DEG C, is incubated 1~2h, cooling discharge.
Described modified acroleic acid ester pressure-sensitive safety and environmental protection, easy to use, the combination property of the modified adhesive is relative
It is best.
Second step：Modified acroleic acid ester pressure-sensitive is coated with the surface of modified PLA base material films with ZBQ-4 types coating device, is obtained
To the film adhesive tape for being coated with adhesive.
Described modified PLA base materials film thickness is 20 μm -150 μm；
3rd step：Be coated with the film adhesive tape of adhesive, be placed in 80 DEG C of baking ovens baking 4min, obtain can be degradable change
Property polylactic acid adhesive tape.
The present invention obtains following beneficial effect
1st, degradable polydactyl acid adhesive tape has biodegradable, compost treatment after discarding, can under natural environment
Water and carbon dioxide are degraded to, environment is not threatened.
2nd, PLA is with the organic waste such as the natural plants such as corn, wheat, potato, beet and its lotus, leaf, root as former
Material, can fermented polymerization and be made, therefore alternative non-renewable petroleum resources, energy saving.
3rd, degradable polydactyl acid adhesive tape small toxicity, beneficial to environmental protection.
4th, modified acrylate pressure sensitive adhesive high temperature resistant and environmental protection.
5th, modified PLA base material film correlated performances make moderate progress, and are compared with pure PLA base material films, the tensile strength of film and
Elongation at break has been lifted, and its maximum is respectively 61.03MPa, 4.1%；Secondly water resistance also makes moderate progress, water resistance
R values maximum can be to 0.97；Find that the change of its glass transition temperature is little during the thermal stability of analysis blending base material, therefore change
The heat resistance of property PLA base material films is more stable；Additionally, added in base material appropriate thermoplastic starch also accelerate adhesive tape it is discarded after
Degradation rate, compared to the base material for being not added with starch, its degradation rate improves 1.2%.
6th, described its maximum peeling strength of polydactyl acid adhesive tape is 0.32KN/m, and bonding strength also reaches maximum
5.57MPa.Also without degumming, removing residual glue phenomenon under normal temperature.
Brief description of the drawings
Fig. 1 is the sectional view of the degradable polydactyl acid adhesive tape of the embodiment of the present invention, and the novel adhesive tape includes substrate layer
And adhesive layer, described substrate layer is nontoxic, free of contamination degradable mixing material, and described adhesive is degradable changing
Property acrylate pressure-sensitive adhesive.
Fig. 2 is the preparation technology route map of modified PLA base material films.
Specific embodiment
Embodiment 1：
In substrate layer [w (PBSA)=10%, w (TPS)=20%, w (nano-cellulose)=1% that film thickness is 20 μm
(for both with respect to PLA mass)] surface coating modified acroleic acid ester pressure-sensitive adhesive, the consumption of adhesive is 20g/m2,
Obtain being coated with the film of adhesive.
W (GH)=0.7%, w (KH-570)=0.2% are (relative in described modified acroleic acid ester pressure-sensitive adhesive
For total monomer quality)；
Be coated with the film adhesive tape of adhesive, be placed in 80 DEG C of baking ovens baking 4min, obtain can be degradable modified poly- breast
Sour adhesive tape.
Embodiment 2：
In substrate layer [w (PBSA)=10%, w (TPS)=10%, w (nano-cellulose)=1% that film thickness is 20 μm
(for both with respect to PLA mass)] surface coating modified acroleic acid ester pressure-sensitive adhesive, the consumption of adhesive is 40g/m2,
Obtain being coated with the film of adhesive.
W (GH)=0.7%, w (KH-570)=0.3% are (relative in described modified acroleic acid ester pressure-sensitive adhesive
For total monomer quality)；
Be coated with the film adhesive tape of adhesive, be placed in 80 DEG C of baking ovens baking 4min, obtain can be degradable modified poly- breast
Sour adhesive tape.
Embodiment 3：
In substrate layer [w (PBSA)=20%, w (TPS)=20%, w (nano-cellulose)=2% that film thickness is 20 μm
(for both with respect to PLA mass)] surface coating modified acroleic acid ester pressure-sensitive adhesive, the consumption of adhesive is 20g/m2,
Obtain being coated with the film of adhesive.
W (GH)=0.7%, w (KH-570)=0.3% are (relative in described modified acroleic acid ester pressure-sensitive adhesive
For total monomer quality)；
Be coated with the film adhesive tape of adhesive, be placed in 80 DEG C of baking ovens baking 4min, obtain can be degradable modified poly- breast
Sour adhesive tape.
Embodiment 4：
In substrate layer [w (PBSA)=20%, w (TPS)=30%, w (nano-cellulose)=1% that film thickness is 20 μm
(for both with respect to PLA mass)] surface coating modified acroleic acid ester pressure-sensitive adhesive, the consumption of adhesive is 40g/m2,
Obtain being coated with the film of adhesive.
W (GH)=0.7%, w (KH-570)=0.2% are (relative in described modified acroleic acid ester pressure-sensitive adhesive
For total monomer quality)；
Be coated with the film adhesive tape of adhesive, be placed in 80 DEG C of baking ovens baking 4min, obtain can be degradable modified poly- breast
Sour adhesive tape.
Embodiment 5：
In substrate layer [w (PBSA)=10%, w (TPS)=10%, w (nano-cellulose)=1% that film thickness is 80 μm
(for both with respect to PLA mass)] surface coating modified acroleic acid ester pressure-sensitive adhesive, the consumption of adhesive is 20g/m2,
Obtain being coated with the film of adhesive.
W (GH)=0.7%, w (KH-570)=0.3% are (relative in described modified acroleic acid ester pressure-sensitive adhesive
For total monomer quality)；
Be coated with the film adhesive tape of adhesive, be placed in 80 DEG C of baking ovens baking 4min, obtain can be degradable modified poly- breast
Sour adhesive tape.
Embodiment 6：
In substrate layer [w (PBSA)=10%, w (TPS)=20%, w (nano-cellulose)=3% that film thickness is 80 μm
(for both with respect to PLA mass)] surface coating modified acroleic acid ester pressure-sensitive adhesive, the consumption of adhesive is 40g/m2,
Obtain being coated with the film of adhesive.
W (GH)=0.7%, w (KH-570)=0.2% are (relative in described modified acroleic acid ester pressure-sensitive adhesive
For total monomer quality)；
Be coated with the film adhesive tape of adhesive, be placed in 80 DEG C of baking ovens baking 4min, obtain can be degradable modified poly- breast
Sour adhesive tape.
Embodiment 7：
In substrate layer [w (PBSA)=20%, w (TPS)=10%, w (nano-cellulose)=1% that film thickness is 80 μm
(for both with respect to PLA mass)] surface coating modified acroleic acid ester pressure-sensitive adhesive, the consumption of adhesive is 20g/m2,
Obtain being coated with the film of adhesive.
W (GH)=0.7%, w (KH-570)=0.2% are (relative in described modified acroleic acid ester pressure-sensitive adhesive
For total monomer quality)；
Be coated with the film adhesive tape of adhesive, be placed in 80 DEG C of baking ovens baking 4min, obtain can be degradable modified poly- breast
Sour adhesive tape.
Embodiment 8：
In substrate layer [w (PBSA)=20%, w (TPS)=10%, w (nano-cellulose)=3% that film thickness is 80 μm
(for both with respect to PLA mass)] surface coating modified acroleic acid ester pressure-sensitive adhesive, the consumption of adhesive is 40g/m2,
Obtain being coated with the film of adhesive.
W (GH)=0.7%, w (KH-570)=0.3% are (relative in described modified acroleic acid ester pressure-sensitive adhesive
For total monomer quality)；
Be coated with the film adhesive tape of adhesive, be placed in 80 DEG C of baking ovens baking 4min, obtain can be degradable modified poly- breast
Sour adhesive tape.
Embodiment 9：
In substrate layer [w (PBSA)=10%, w (TPS)=20%, w (nano-cellulose)=1% that film thickness is 150 μm
(for both with respect to PLA mass)] surface coating modified acroleic acid ester pressure-sensitive adhesive, the consumption of adhesive is 20g/m2,
Obtain being coated with the film of adhesive.
W (GH)=0.7%, w (KH-570)=0.4% are (relative in described modified acroleic acid ester pressure-sensitive adhesive
For total monomer quality)；
Be coated with the film adhesive tape of adhesive, be placed in 80 DEG C of baking ovens baking 4min, obtain can be degradable modified poly- breast
Sour adhesive tape.
Embodiment 10：
In substrate layer [w (PBSA)=10%, w (TPS)=5%, w (nano-cellulose)=2% that film thickness is 150 μm
(for both with respect to PLA mass)] surface coating modified acroleic acid ester pressure-sensitive adhesive, the consumption of adhesive is 40g/m2,
Obtain being coated with the film of adhesive.
W (GH)=0.7%, w (KH-570)=0.4% are (relative in described modified acroleic acid ester pressure-sensitive adhesive
For total monomer quality)；
Be coated with the film adhesive tape of adhesive, be placed in 80 DEG C of baking ovens baking 4min, obtain can be degradable modified poly- breast
Sour adhesive tape.
Embodiment 11：
In substrate layer [w (PBSA)=20%, w (TPS)=5%, w (nano-cellulose)=2% that film thickness is 150 μm
(for both with respect to PLA mass)] surface coating modified acroleic acid ester pressure-sensitive adhesive, the consumption of adhesive is 20g/m2,
Obtain being coated with the film of adhesive.
W (GH)=0.7%, w (KH-570)=0.3% are (relative in described modified acroleic acid ester pressure-sensitive adhesive
For total monomer quality)；
Be coated with the film adhesive tape of adhesive, be placed in 80 DEG C of baking ovens baking 4min, obtain can be degradable modified poly- breast
Sour adhesive tape.
Embodiment 12：
In substrate layer [w (PBSA)=20%, w (TPS)=10%, w (nano-cellulose)=1% that film thickness is 150 μm
(for both with respect to PLA mass)] surface coating modified acroleic acid ester pressure-sensitive adhesive, the consumption of adhesive is 40g/m2,
Obtain being coated with the film of adhesive.
W (GH)=0.7%, w (KH-570)=0.3% are (relative in described modified acroleic acid ester pressure-sensitive adhesive
For total monomer quality)；
Be coated with the film adhesive tape of adhesive, be placed in 80 DEG C of baking ovens baking 4min, obtain can be degradable modified poly- breast
Sour adhesive tape.
Embodiment 13：
In substrate layer [w (PBSA)=20%, w (TPS)=15%, w (nano-cellulose)=1% that film thickness is 150 μm
(for both with respect to PLA mass)] surface coating modified acroleic acid ester pressure-sensitive adhesive, the consumption of adhesive is 20g/m2,
Obtain being coated with the film of adhesive.
W (GH)=0.7%, w (KH-570)=0.4% are (relative in described modified acroleic acid ester pressure-sensitive adhesive
For total monomer quality)；
Be coated with the film adhesive tape of adhesive, be placed in 80 DEG C of baking ovens baking 4min, obtain can be degradable modified poly- breast
Sour adhesive tape.
Although above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (8)
1. a kind of modification acrylate pressure-sensitive adhesive agent, monomer composition is as follows：
Characterized in that, by adding γ-methacryloxypropyl trimethoxy silane and aqueous polyisocyanates to third
Olefin(e) acid ester pressure-sensitive is modified to be obtained.
2. a kind of polydactyl acid adhesive tape, it is characterised in that described adhesive tape includes substrate layer, adhesive layer, described gluing
Oxidant layer is located at base material layer surface, and described base material is PLA, 10-20% succinic acid-butanediol esters-tetramethylene adipate is common
Polymers, 0-3% nano-celluloses and 0-30% thermoplastic starch (for both with respect to PLA quality)；Described adhesive is
Pressure sensitive adhesive.
3. the polydactyl acid adhesive tape as described in right 2, it is characterised in that described pressure sensitive adhesive, mainly using semi-continuous seed
Emulsion polymerization, is modified to acrylate and obtains by adding organic silicon monomer and aqueous polyisocyanates.
4. the polydactyl acid adhesive tape as described in right 2, it is characterised in that the adhesive is the gluing described in claim 1
Agent.
5. the polydactyl acid adhesive tape described in claim 2-4, it is characterised in that the substrate layer thickness is 20 μm -150 μm.
6. the modification acrylate pressure-sensitive adhesive agent described in claim 1, it is characterised in that γ-methacryloxypropyl
The amount that the amount that trimethoxy silane is added is 0.2-0.4%, aqueous polyisocyanates is added is for 0.7% (relative to total monomer matter
For amount).
7. the preparation method of acrylate pressure-sensitive adhesive as claimed in claim 1, it is characterised in that comprise the following steps：
Step 1. is by monomer [60% butyl acrylate, 16% acrylic acid-2-ethyl caproite, 12% vinylacetate, 4% propylene
Sour hydroxyl ethyl ester, 8% acrylic acid], 0.2-0.4% γ-methacryloxypropyl trimethoxy silane, 0.7% aqueous polyisocyanate
Cyanate (for total monomer quality)], addition 1.2% APES/lauryl sodium sulfate compounding breast
Agent obtains pre-emulsion to 36% deionized water (for total monomer quality) mixing and stirring；
Buffering is prepared in the deionized water (for both with respect to total monomer quality) of the NaHCO3 to 28% of step 2. addition 0.2%
Solution, is added in the four-hole boiling flask equipped with condenser pipe, thermometer, agitator and constant pressure funnel, is warming up to 80 DEG C, starts to be added dropwise
1/3 pre-emulsion and 1/3 initiator (APS), drop are incubated 0.5h after finishing；
Step 3. is added dropwise remaining initiator and the pre-emulsion containing chain-transferring agent (NDM) simultaneously, and [w (NDM)=0.08% is (relative
For total monomer quality)], 3~4h drops finish；
Step 4. is warming up to 85~90 DEG C, is incubated 1~2h, and cooling discharge is obtained final product.
8. the preparation method of the polydactyl acid adhesive tape as described in right 2-4, it is characterised in that with coating device in polydactyl acid
The surface coating modified acroleic acid ester pressure-sensitive of base material film, obtains being coated with the film adhesive tape of adhesive, described modified poly- breast
Acidic group material film thickness is 20 μm -150 μm；The film adhesive tape of adhesive has been coated with, 80 DEG C of baking oven baking 4min has been placed in, you can obtain
The polydactyl acid adhesive tape.
Priority Applications (1)
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| CN107375994A (en) * | 2017-07-24 | 2017-11-24 | 青岛大学 | A kind of medical gel adhesive bandage product preparation method |
| CN109266233A (en) * | 2018-08-08 | 2019-01-25 | 北京众邦健业印刷有限责任公司 | Tape substrate, adhesive tape and preparation method with it |
| CN110305597A (en) * | 2019-08-01 | 2019-10-08 | 中国科学院长春应用化学研究所 | A kind of polylactic acid single-coated foam and preparation method thereof |
| CN112724874A (en) * | 2020-12-31 | 2021-04-30 | 安徽明讯新材料科技股份有限公司 | Preparation method of degradable adhesive tape and adhesive tape |
| CN112724855A (en) * | 2020-12-31 | 2021-04-30 | 安徽明讯新材料科技股份有限公司 | Preparation method of improved degradable adhesive tape and adhesive tape |
| CN112724872A (en) * | 2020-12-31 | 2021-04-30 | 安徽明讯新材料科技股份有限公司 | Preparation method of improved degradable adhesive tape and adhesive tape |
| CN113462325A (en) * | 2021-06-22 | 2021-10-01 | 山东新华医疗器械股份有限公司 | Preparation method of organic silicon-containing water-based acrylate pressure-sensitive adhesive |
| CN113604159A (en) * | 2021-09-14 | 2021-11-05 | 芜湖徽氏新材料科技有限公司 | Degradable swelling adhesive tape for lithium ion battery and preparation method thereof |
| WO2022088468A1 (en) * | 2020-10-27 | 2022-05-05 | 江苏华萱包装有限公司 | Biodegradable adhesive tape and preparation method therefor |
| CN114479697A (en) * | 2022-03-04 | 2022-05-13 | 江苏晶华新材料科技有限公司 | Degradable pressure-sensitive adhesive tape |
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| CN107375994A (en) * | 2017-07-24 | 2017-11-24 | 青岛大学 | A kind of medical gel adhesive bandage product preparation method |
| CN109266233A (en) * | 2018-08-08 | 2019-01-25 | 北京众邦健业印刷有限责任公司 | Tape substrate, adhesive tape and preparation method with it |
| CN109266233B (en) * | 2018-08-08 | 2021-02-19 | 北京众邦健业印刷有限责任公司 | Adhesive tape base material, adhesive tape with same and preparation method |
| CN110305597A (en) * | 2019-08-01 | 2019-10-08 | 中国科学院长春应用化学研究所 | A kind of polylactic acid single-coated foam and preparation method thereof |
| WO2022088468A1 (en) * | 2020-10-27 | 2022-05-05 | 江苏华萱包装有限公司 | Biodegradable adhesive tape and preparation method therefor |
| CN112724874A (en) * | 2020-12-31 | 2021-04-30 | 安徽明讯新材料科技股份有限公司 | Preparation method of degradable adhesive tape and adhesive tape |
| CN112724855A (en) * | 2020-12-31 | 2021-04-30 | 安徽明讯新材料科技股份有限公司 | Preparation method of improved degradable adhesive tape and adhesive tape |
| CN112724872A (en) * | 2020-12-31 | 2021-04-30 | 安徽明讯新材料科技股份有限公司 | Preparation method of improved degradable adhesive tape and adhesive tape |
| CN113462325A (en) * | 2021-06-22 | 2021-10-01 | 山东新华医疗器械股份有限公司 | Preparation method of organic silicon-containing water-based acrylate pressure-sensitive adhesive |
| CN113604159A (en) * | 2021-09-14 | 2021-11-05 | 芜湖徽氏新材料科技有限公司 | Degradable swelling adhesive tape for lithium ion battery and preparation method thereof |
| CN113604159B (en) * | 2021-09-14 | 2022-05-17 | 芜湖徽氏新材料科技有限公司 | Degradable swelling adhesive tape for lithium ion battery and preparation method thereof |
| CN114479697A (en) * | 2022-03-04 | 2022-05-13 | 江苏晶华新材料科技有限公司 | Degradable pressure-sensitive adhesive tape |
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