CN105219317B - A kind of glutinous agent of the medical polyacrylate pressure-sensitive adhesive of environmental protection - Google Patents

A kind of glutinous agent of the medical polyacrylate pressure-sensitive adhesive of environmental protection Download PDF

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Publication number
CN105219317B
CN105219317B CN201510770921.0A CN201510770921A CN105219317B CN 105219317 B CN105219317 B CN 105219317B CN 201510770921 A CN201510770921 A CN 201510770921A CN 105219317 B CN105219317 B CN 105219317B
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parts
monomer
sensitive adhesive
pressure
solvent
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CN201510770921.0A
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CN105219317A (en
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任建华
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成都厚生药物研究开发有限公司
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Abstract

The present invention relates to a kind of medical pressure-sensing gluing agent of environmental protection, it includes soft monomer, hard monomer, functional monomer, tackifying resin, initiator, the compound containing epoxide group, solvent, wherein the glass transition temperature of the soft monomer is 65 to 70 DEG C.Wherein soft monomer can be ethyl acrylate, butyl acrylate, Isooctyl acrylate monomer, the Octyl Nitrite of acrylic acid 2 etc., hard monomer can be methyl methacrylate, methyl acrylate, styrene, vinyl acetate, acrylonitrile etc., compound containing epoxide group can be expoxy propane, epoxy butane, propanepoxy resin, four phenolic group epoxy resin, naphthols novolac epoxy resin, vinyl cyclohexene dioxide epoxy resin etc., and solvent can be ethyl acetate, n-hexane, heptane, methyl alcohol, isopropanol, butanone etc..Product of the invention can be used for medicine and hygiene fieldses.

Description

A kind of glutinous agent of the medical polyacrylate pressure-sensitive adhesive of environmental protection

Technical field

The present invention relates to a kind of medical pressure-sensitive adhesive agent, belong to polymeric material field.

Background technology

The adhesive that pressure-sensitive adhesive agent is a class can just be bonded in external force slighter compress with adherend, with it is viscous it is easily, take off The property be not difficult, shell without damaging, also referred to as adhesive sticker, consumption is most in having turned into adhesive with its unique performance and feature Greatly, the most wide product of range of application, its product almost spread over packaging, automobile, transport, communication, electrical equipment, building materials, machinery, aviation, The every field such as light industry, health.Wherein, polyacrylate pressure sensitive adhesive because formula is simple, bonding scope is wide, weatherability is good, Light resistance is strong, oil resistivity is excellent, water-tolerant, in the absence of being separated and the phenomenon, and easy to operate, the more low original of price such as migration Cause, as major product with fastest developing speed in pressure sensitive adhesive, its product includes pressure-sensitive tape, pressure-sensitive adhesive label paper and pressure sensitive adhesive Glutinous piece etc., medical adhesive tape is important product category.

The glutinous agent of polyacrylate pressure-sensitive can be divided into solvent-borne type, emulsion-type, heat molten type, water-soluble etc., wherein solvent-borne type It is common that polyacrylate pressure-sensitive sticks agent (solvent based acrylic pressure sensitive adhesive) One kind, it is carried out radical polymerization by acrylate monomer and is obtained glutinous thick liquid, plus or is not added with it in organic solvent He is constituted additive.Solvent type polyacrylate pressure-sensitive adhesive agent has that wetability is good, initial bonding strength is big, rate of drying is fast, resistance to Many advantages, such as aqueous and lower temperature resistance is good, is widely used in the fields such as medical adhesive tape, pressure-sensitive label and two-sided tape.Solvent-borne type gathers The major defect of acrylate pressure-sensitive adhesive is to be formulated and organic solvent is used in manufacturing process, and environment and product can be made Into pollution, in today that environmental requirement is improved constantly, it is set to be difficult to apply to automobile, aircraft, food with medical label, sanitary material The fields such as material.

The content of the invention

The purpose of the present invention is to solve the shortcomings of the prior art, there is provided a kind of medical polyacrylate pressure-sensitive adhesive of environmental protection Glutinous agent.

Present invention also offers a kind of preparation method of the glutinous agent of the medical polyacrylate pressure-sensitive adhesive of environmental protection.

The technical solution adopted for the present invention to solve the technical problems is:

A kind of medical polyacrylate pressure-sensitive adhesive glutinous agent of environmental protection, it is characterised in that the pressure-sensitive adhesive agent include soft monomer, Hard monomer, functional monomer, tackifying resin, initiator, the compound containing epoxide group, solvent, wherein the soft monomer Glass transition temperature is -65 to -70 DEG C.

In the glutinous agent of medical polyacrylate pressure-sensitive adhesive of the environmental protection, preferably described soft monomer is ethyl acrylate, third One or more in olefin(e) acid butyl ester, Isooctyl acrylate monomer, acrylic acid-2-ethyl caproite of mixture.

In the glutinous agent of medical polyacrylate pressure-sensitive adhesive of the environmental protection, preferably described hard monomer is methyl methacrylate One or more in ester, methyl acrylate, styrene, vinyl acetate, acrylonitrile of mixture.

In the glutinous agent of medical polyacrylate pressure-sensitive adhesive of the environmental protection, preferably described functional monomer is acrylic acid, first Base acrylic acid, hydroxy-ethyl acrylate, hydroxypropyl acrylate, hydroxy propyl methacrylate, Dimethylaminoethyl Methacrylate, third One or more in acrylamide, maleic anhydride of mixture.

In the glutinous agent of medical polyacrylate pressure-sensitive adhesive of the environmental protection, preferably described tackifying resin is rosin, polymerization pine One or more in perfume, esterase, rosin pentaerythritol ester, hydrogenated rosin glyceride, terpene resin of mixture.

In the glutinous agent of medical polyacrylate pressure-sensitive adhesive of the environmental protection, preferably described initiator is diphenyl peroxide first In acyl, cumyl peroxide, peroxidized t-butyl perbenzoate, peroxydicarbonate or N, N- dihydroxyalkyl para-totuidine one Plant or various mixtures.

In the glutinous agent of medical polyacrylate pressure-sensitive adhesive of the environmental protection, the preferably described compound containing epoxide group can It is expoxy propane, epoxy butane, propanepoxy resin, four phenolic group epoxy resin, naphthols novolac epoxy resin, two One or more in vinylcyclohexene oxide epoxy resin of mixture.

In the glutinous agent of medical polyacrylate pressure-sensitive adhesive of the environmental protection, preferably described solvent be ethyl acetate, n-hexane, One or more in heptane, methyl alcohol, isopropanol, butanone of mixture.

In the glutinous agent of medical polyacrylate pressure-sensitive adhesive of the environmental protection, each component consumption in parts by weight is respectively 30-60 parts of soft monomer, 10-25 parts of hard monomer, 5-10 parts of functional monomer, 5-15 parts of tackifying resin, 0.01-0.5 parts of initiator, 1-5 parts of compound containing epoxide group, 20-40 parts of solvent;

It is preferred that 35-50 parts of soft monomer, 10-20 parts of hard monomer, 5-7 parts of functional monomer, 8-12 parts of tackifying resin, 0.01- 0.1 part of initiator, 1-3 parts of compound containing epoxide group, 25-35 parts of solvent;

More preferably 40-50 parts of soft monomer, 15-20 parts of hard monomer, 6-7 parts of functional monomer, 10-12 parts of tackifying resin, 0.01-0.1 parts of initiator, 1-3 parts of compound containing epoxide group, 25-30 parts of solvent;

Most preferably 40-45 parts of soft monomer, 15-18 parts of hard monomer, 6-7 parts of functional monomer, 10-11 parts of tackifying resin, 0.05-0.1 parts of initiator, 1-2 parts of compound containing epoxide group, 28-30 parts of solvent.

In the glutinous agent of medical polyacrylate pressure-sensitive adhesive of the invention, each component enhances glue by mutually synergy Effect of glutinous agent, obtains the adhesive of good quality of the present invention.Wherein the polymer of soft monomer provides the viscoplasticity of adhesive, certainly Determine the tack height and adhesion strength size of adhesive;The polymer of hard monomer is harder, can improve the cohesive force of adhesive;Function Property monomer participate in copolymerization after provide feature functional group for adhesive strand so that gluing agent molecule can with polyurethane, have The materials such as machine metallo-chelate produce crosslinking, improve the adhesion strength and cohesive force of adhesive.Compound containing epoxide group can Reacted with organic solvent molecule, so as to reduce pollution of the residual solvent to environment in product.In addition, glass transition temperature TgIt is the important references index for designing gluing agent prescription, TgLow, gluing agent molecule is soft, it is easy to moisten adherend, and tack is strong, But TgToo low, then copolymer is too soft, easily cannot normally be used because of gummosis.It is of the invention preferably to go out soft monomer in pressure-sensitive adhesive agent TgAt -65 to -70 DEG C so that adhesive can also obtain the initial bonding strength for meeting and requiring in the case where solvent load is less, The solvent load of reduction is connect, the purpose of environmental protection is realized.

The preparation method of the glutinous agent of medical polyacrylate pressure-sensitive adhesive of environmental protection of the invention is:

Prepare each component of corresponding weight by formula, soft monomer is to slowly warm up between 70 DEG C to 90 DEG C, then will be firmly single The mixture that body, functional monomer, initiator are stirred is slowly dropped into soft monomer, is dripped off in 2 hours, is continued afterwards Back flow reaction 3 hours, is cooled to 50 DEG C, adds tackifying resin, the compound containing epoxide group, the mixture of solvent, insulation 2 Discharged after hour, 130-140 DEG C is heated to after coated article and 1-2 minutes is incubated.

Compared with prior art, the advantage of the glutinous agent of the medical polyacrylate pressure-sensitive adhesive of present invention gained environmental protection is:

(1) organic solvent usage amount is small, the pollution to environment is reduced, with good environmentally friendly property;

(2) by from specific TgReaction raw materials so that adhesive is expired by not needing excessive solvent Initial bonding strength and other adhesive properties that foot is required, reduce the usage amount of organic solvent indirectly;

(3) solvent is consumed by using the compound containing epoxide group, reduce further organic solvent to environment Adverse effect.

Specific embodiment

In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described.

Embodiment 1

The glutinous agent of medical polyacrylate pressure-sensitive adhesive that environmental protection is prepared by foregoing preparation method of the invention, wherein with weight Number meter, soft monomer is 20 parts of ethyl acrylates, 15 parts of butyl acrylates, 10 parts of acrylic acid-2-ethyl caproites, its TgFor -70 DEG C, hard monomer is 10 parts of methyl methacrylates, 5 parts of methyl acrylates, and functional monomer is 3 parts of methacrylic acids, 2 parts of propylene Sour hydroxyl ethyl ester, 2 parts of acrylamides, initiator are 0.03 part of dibenzoyl peroxide, 0.02 part of cumyl peroxide, thickening tree Fat is 3 parts of esterases, 2 parts of rosin pentaerythritol esters, 5 parts of terpene resins, and the compound containing epoxide group is 1 part of epoxy Propane, 0.5 part of epoxy butane, solvent are 20 parts of ethyl acetate, 5 parts of methyl alcohol, 5 parts of isopropanols.Test product after the completion of preparation Properties.

Embodiment 2

The glutinous agent of medical polyacrylate pressure-sensitive adhesive that environmental protection is prepared by foregoing preparation method of the invention, wherein with weight Number meter, soft monomer is 20 parts of ethyl acrylates, 15 parts of Isooctyl acrylate monomers, 10 parts of acrylic acid-2-ethyl caproites, its TgFor- 68 DEG C, hard monomer is 10 parts of methyl methacrylates, 5 parts of styrene, and functional monomer is 3 parts of methacrylic acids, 2 parts of acrylic acid Hydroxyl ethyl ester, 2 parts of maleic anhydrides, initiator are 0.03 part of dibenzoyl peroxide, 0.02 part of peroxidized t-butyl perbenzoate, thickening Resin is 5 parts of esterases, 5 parts of terpene resins, and the compound containing epoxide group is 1 part of expoxy propane, 0.5 part of epoxy fourth Alkane, solvent is 20 parts of ethyl acetate, 5 parts of methyl alcohol, 5 parts of isopropanols.The properties of test product after the completion of preparation.

Embodiment 3

The glutinous agent of medical polyacrylate pressure-sensitive adhesive that environmental protection is prepared by foregoing preparation method of the invention, wherein with weight Number meter, soft monomer is 20 parts of butyl acrylates, 15 parts of Isooctyl acrylate monomers, 10 parts of acrylic acid-2-ethyl caproites, its TgFor- 66 DEG C, hard monomer is 5 parts of methyl methacrylates, 10 parts of styrene, and functional monomer is 2 parts of methacrylic acids, 3 parts of acrylic acid Hydroxyl ethyl ester, 2 parts of acrylamides, initiator are 0.03 part of dibenzoyl peroxide, 0.02 part of cumyl peroxide, tackifying resin It is 5 parts of esterases, 2 parts of rosin pentaerythritol esters, 3 parts of terpene resins, the compound containing epoxide group is 1 part of epoxy third Alkane, 0.5 part of epoxy butane, solvent are 20 parts of ethyl acetate, 5 parts of methyl alcohol, 5 parts of isopropanols.Test product is each after the completion of preparation Item performance.

Embodiment 4

The glutinous agent of medical polyacrylate pressure-sensitive adhesive that environmental protection is prepared by foregoing preparation method of the invention, wherein with weight Number meter, soft monomer is 15 parts of ethyl acrylates, 10 parts of butyl acrylates, 10 parts of different monooctyl esters of propylene, 10 parts of acrylic acid -2- second The own ester of base, its TgIt it is -65 DEG C, hard monomer is 10 parts of methyl acrylates, 5 parts of vinyl acetates, functional monomer is 3 parts of acrylic acid Hydroxyl ethyl ester, 2 parts of acrylamides, 2 parts of maleic anhydrides, initiator are 0.03 part of cumyl peroxide, 0.01 part of benzoyl peroxide first Tert-butyl acrylate, tackifying resin is 5 parts of esterases, 5 parts of rosin pentaerythritol esters, and the compound containing epoxide group is 1 part Expoxy propane, 0.5 part of epoxy butane, solvent are 20 parts of ethyl acetate, 5 parts of methyl alcohol, 5 parts of isopropanols.Tested after the completion of preparation and produced The properties of product.

Embodiment 5

The glutinous agent of medical polyacrylate pressure-sensitive adhesive that environmental protection is prepared by foregoing preparation method of the invention, wherein with weight Number meter, soft monomer is 10 parts of ethyl acrylates, 15 parts of butyl acrylates, 10 parts of different monooctyl esters of propylene, 10 parts of acrylic acid -2- second The own ester of base, its TgIt it is -68 DEG C, hard monomer is 5 parts of methyl acrylates, 10 parts of vinyl acetates, functional monomer is 2 parts of acrylic acid Hydroxyl ethyl ester, 2 parts of acrylamides, 3 parts of maleic anhydrides, initiator are that 0.02 part of dibenzoyl peroxide, 0.03 part of peroxidating two are different Propyl benzene, tackifying resin is 5 parts of rosin pentaerythritol esters, 5 parts of terpene resins, and the compound containing epoxide group is 1 part of epoxy third Alkane, 0.5 part of epoxy butane, solvent are 20 parts of ethyl acetate, 5 parts of methyl alcohol, 5 parts of isopropanols.Test product is each after the completion of preparation Item performance.

Comparative example 1

The glutinous agent of medical polyacrylate pressure-sensitive adhesive that environmental protection is prepared by foregoing preparation method of the invention, wherein with weight Number meter, soft monomer is 30 parts of ethyl acrylates, 15 parts of butyl acrylates, its TgIt it is -35 DEG C, hard monomer is 10 parts of metering systems Sour methyl esters, 5 parts of methyl acrylates, functional monomer are 3 parts of methacrylic acids, 2 parts of hydroxy-ethyl acrylates, 2 parts of acrylamides, are drawn Hair agent is 0.03 part of dibenzoyl peroxide, 0.02 part of cumyl peroxide, and tackifying resin is 5 parts of esterases, 5 parts of terpenes Olefine resin, the compound containing epoxide group is 1 part of expoxy propane, 0.5 part of epoxy butane, and solvent is 20 parts of ethyl acetate, 15 Part methyl alcohol, 15 parts of isopropanols.The properties of test product after the completion of preparation.

Comparative example 2

The glutinous agent of medical polyacrylate pressure-sensitive adhesive that environmental protection is prepared by foregoing preparation method of the invention, wherein with weight Number meter, soft monomer is 20 parts of butyl acrylates, 15 parts of Isooctyl acrylate monomers, 10 parts of acrylic acid-2-ethyl caproites, its TgFor- 66 DEG C, hard monomer is 10 parts of methyl methacrylates, 5 parts of methyl acrylates, functional monomer be 3 parts of methacrylic acids, 2 part third Olefin(e) acid hydroxyl ethyl ester, 2 parts of acrylamides, initiator are 0.03 part of dibenzoyl peroxide, 0.02 part of cumyl peroxide, thickening Resin is 5 parts of esterases, 5 parts of terpene resins, and solvent is 20 parts of ethyl acetate, 5 parts of methyl alcohol, 5 parts of isopropanols, does not use and contains There is the compound of epoxide group.The properties of test product after the completion of preparation.

In embodiment 1-5 (EX1-EX5) and comparative example 1-2 (CEX1-CEX2), the outward appearance of glue is seen by range estimation Examine, initial bonding strength is tested according to GB/T 4852-2002,180 ° of peeling forces are tested according to GB/T2792-1998, hold viscous Power is tested according to GB/T 4851-1998.For the degree of dissolvent residual in pressure-sensitive adhesive agent product, by VOC (volatilizations Property organic compound, Volatile organic compounds) reflect.Test result is as shown in table 1.

Table 1

Performance EX1 EX2 EX3 EX4 EX5 CEX1 CEX2 Outward appearance Uniformly Uniformly Uniformly Uniformly Uniformly Uniformly Uniformly Initial bonding strength (ball #) 10 10 10 10 10 8 10 180 ° of peeling forces (N/25mm) 24.28 23.56 24.99 25.22 24.79 19.40 21.73 Holding power (min) >7000 >7000 >7000 >7000 >7000 >7000 >7000 140 160 150 170 150 480 710

By the contrast of embodiment 1-5 and comparative example 1-2 as can be seen that meeting the embodiment 1-5 of the scope that the application is limited In, gained pressure sensitive adhesive be also obtain in the case where multi-solvent was not used meet require initial bonding strength, 180 ° of peeling forces, hold viscous The performances such as power, and solvent volatile quantity is low, and the pollution to environment is small.And T is used in comparative example 1gSoft monomer higher, then need The glue of appearance uniform can be just obtained using more solvents, this causes its solvent volatile quantity higher, and initial bonding strength be produced negative Face rings.Comparative example 2 is then not used the compound containing epoxide group, and its solvent volatile quantity is high, harmful to environment, be unfavorable for by Its product is used for medical industry.

It is emphasized that embodiment of the present invention is illustrative, rather than limited.Therefore, the present invention Be not limited to the embodiment described in specific embodiment, any those of ordinary skill in the art disclosed herein skill In the range of art, the change or replacement that can be expected without creative work should all be included within the scope of the present invention.

Claims (11)

1. the glutinous agent of medical polyacrylate pressure-sensitive adhesive of a kind of environmental protection, it is characterised in that the pressure-sensitive adhesive agent includes soft monomer, hard Monomer, functional monomer, tackifying resin, initiator, the compound containing epoxide group, solvent, wherein the glass of the soft monomer Glass transition temperature is -65 to -70 DEG C, and the compound containing epoxide group is expoxy propane, epoxy butane, diphenylol third In alkane epoxy resin, four phenolic group epoxy resin, naphthols novolac epoxy resin, vinyl cyclohexene dioxide epoxy resin One or more of mixture, each component consumption in parts by weight is respectively 30-60 parts of soft monomer, 10-25 parts of hard monomer, 5- 10 parts of functional monomers, 5-15 parts of tackifying resin, 0.01-0.5 parts of initiator, 1-5 parts of compound containing epoxide group, 20- 40 parts of solvents.
2. pressure-sensitive adhesive agent according to claim 1, wherein the soft monomer is ethyl acrylate, butyl acrylate, third One or more in the different monooctyl ester of olefin(e) acid, acrylic acid-2-ethyl caproite of mixture.
3. pressure-sensitive adhesive agent according to claim 1 and 2, wherein the hard monomer is methyl methacrylate, acrylic acid One or more in methyl esters, styrene, vinyl acetate, acrylonitrile of mixture.
4. pressure-sensitive adhesive agent according to claim 1 and 2, wherein the functional monomer be acrylic acid, methacrylic acid, Hydroxy-ethyl acrylate, hydroxypropyl acrylate, hydroxy propyl methacrylate, Dimethylaminoethyl Methacrylate, acrylamide, horse The mixture of one or more come in acid anhydrides.
5. pressure-sensitive adhesive agent according to claim 1 and 2, wherein the tackifying resin is rosin, newtrex, glycerine pine One or more in fragrant ester, rosin pentaerythritol ester, hydrogenated rosin glyceride, terpene resin of mixture.
6. pressure-sensitive adhesive agent according to claim 1 and 2, wherein the initiator is dibenzoyl peroxide, peroxidating One or more in diisopropylbenzene (DIPB), peroxidized t-butyl perbenzoate, peroxydicarbonate or N, N- dihydroxyalkyl para-totuidine Mixture.
7. pressure-sensitive adhesive agent according to claim 1 and 2, wherein the solvent is ethyl acetate, n-hexane, heptane, first One or more in alcohol, isopropanol, butanone of mixture.
8. pressure-sensitive adhesive agent according to claim 1 and 2, wherein each component consumption in parts by weight is respectively 35-50 Part soft monomer, 10-20 parts of hard monomer, 5-7 parts of functional monomer, 8-12 parts of tackifying resin, 0.01-0.1 parts of initiator, 1-3 parts Compound, 25-35 part solvent containing epoxide group.
9. pressure-sensitive adhesive agent according to claim 1 and 2, wherein each component consumption in parts by weight is respectively 40-50 Part soft monomer, 15-20 parts of hard monomer, 6-7 parts of functional monomer, 10-12 parts of tackifying resin, 0.01-0.1 parts of initiator, 1-3 parts Compound, 25-30 part solvent containing epoxide group.
10. pressure-sensitive adhesive agent according to claim 1 and 2, it is 40- that wherein each component consumption in parts by weight is respectively 45 parts of soft monomers, 15-18 parts of hard monomer, 6-7 parts of functional monomer, 10-11 parts of tackifying resin, 0.05-0.1 parts of initiator, 1-2 Compound of the part containing epoxide group, 28-30 parts of solvent.
The preparation side of the glutinous agent of the 11. environmentally friendly medical polyacrylate pressure-sensitive adhesive according to any one of claim 1-10 Method, including soft monomer is to slowly warm up between 70 DEG C to 90 DEG C, then hard monomer, functional monomer, initiator are sufficiently stirred for Uniform mixture is slowly dropped into soft monomer, is dripped off in 2 hours, continues back flow reaction 3 hours afterwards, is cooled to 50 DEG C, plus Enter tackifying resin, the compound containing epoxide group, the mixture of solvent, insulation discharges after 2 hours, is heated to after coated article 130-140 DEG C and it is incubated 1-2 minutes.
CN201510770921.0A 2015-11-12 2015-11-12 A kind of glutinous agent of the medical polyacrylate pressure-sensitive adhesive of environmental protection CN105219317B (en)

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CN105925220B (en) * 2016-06-14 2018-05-11 振德医疗用品股份有限公司 A kind of medical pressure sensitive adhesive excellent to skin-adherent and its preparation method and application
CN106433525A (en) * 2016-09-28 2017-02-22 四川三和医用材料有限公司 Medical pressure-sensitive adhesive
CN106512070A (en) * 2016-09-28 2017-03-22 四川三和医用材料有限公司 Medical antiallergic pressure-sensitive adhesive
CN106361821A (en) * 2016-09-28 2017-02-01 四川三和医用材料有限公司 Inflammation resisting, sterilizing, wind dispelling and dampness eliminating plaster
CN106543934A (en) * 2016-09-28 2017-03-29 四川三和医用材料有限公司 A kind of medical antiinflammatory sterilization pressure-sensitive adhesive
CN106590478B (en) * 2016-12-07 2018-08-07 哈尔滨工业大学无锡新材料研究院 A kind of high temperature resistant solvent-type acrylic ester pressure-sensitive and preparation method thereof
CN107163866A (en) * 2017-05-27 2017-09-15 江苏理工学院 A kind of medical UV-curable water-borne conductive pressure sensitive adhesive
CN107400464A (en) * 2017-07-18 2017-11-28 南京工业职业技术学院 A kind of medical acrylate conducting resinl and preparation method thereof
CN107523241A (en) * 2017-09-27 2017-12-29 沈阳建筑大学 A kind of precoating type locking thread fluid sealant and preparation method thereof
CN107674614A (en) * 2017-09-27 2018-02-09 沈阳建筑大学 A kind of non-pre- gluing of anaerobic type screw thread and preparation method thereof
WO2019113781A1 (en) * 2017-12-12 2019-06-20 Avery Dennison Corporation Removable pressure-sensitive adhesives with high peel strength and removability
CN108498491A (en) * 2018-06-26 2018-09-07 沈阳药科大学 A kind of transdermal oxybutynin absorption patch and its preparation and application

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US8785517B2 (en) * 2011-05-25 2014-07-22 3M Innovative Properties Company Pressure-sensitive adhesives with onium-epdxy crosslinking system
CN104762034B (en) * 2015-03-13 2016-09-28 深圳日高胶带新材料有限公司 Low VOC polyacrylate pressure-sensitive sticks agent and preparation method thereof

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