CN115216253B - Structural adhesive special for surgical gown and preparation method thereof - Google Patents
Structural adhesive special for surgical gown and preparation method thereof Download PDFInfo
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- CN115216253B CN115216253B CN202210521540.9A CN202210521540A CN115216253B CN 115216253 B CN115216253 B CN 115216253B CN 202210521540 A CN202210521540 A CN 202210521540A CN 115216253 B CN115216253 B CN 115216253B
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- 230000001070 adhesive effect Effects 0.000 title claims abstract description 86
- 239000000853 adhesive Substances 0.000 title claims abstract description 84
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000004848 polyfunctional curative Substances 0.000 claims abstract description 23
- 239000000945 filler Substances 0.000 claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims abstract description 16
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 15
- 150000002148 esters Chemical class 0.000 claims abstract description 15
- 239000004014 plasticizer Substances 0.000 claims abstract description 15
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 12
- 239000002253 acid Substances 0.000 claims abstract description 12
- 239000003607 modifier Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 45
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 24
- 239000004408 titanium dioxide Substances 0.000 claims description 20
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical group CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 18
- 239000005062 Polybutadiene Substances 0.000 claims description 18
- 239000005011 phenolic resin Substances 0.000 claims description 18
- 229920002857 polybutadiene Polymers 0.000 claims description 18
- 150000003505 terpenes Chemical class 0.000 claims description 18
- 235000007586 terpenes Nutrition 0.000 claims description 18
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 16
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 16
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 claims description 15
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical group NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 15
- 239000004034 viscosity adjusting agent Substances 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 13
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 12
- KEQFTVQCIQJIQW-UHFFFAOYSA-N N-Phenyl-2-naphthylamine Chemical group C=1C=C2C=CC=CC2=CC=1NC1=CC=CC=C1 KEQFTVQCIQJIQW-UHFFFAOYSA-N 0.000 claims description 11
- 229920002367 Polyisobutene Polymers 0.000 claims description 11
- 230000003712 anti-aging effect Effects 0.000 claims description 10
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical group FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 claims description 9
- MTEZSDOQASFMDI-UHFFFAOYSA-N 1-trimethoxysilylpropan-1-ol Chemical compound CCC(O)[Si](OC)(OC)OC MTEZSDOQASFMDI-UHFFFAOYSA-N 0.000 claims description 8
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000007822 coupling agent Substances 0.000 claims description 4
- 239000003208 petroleum Substances 0.000 claims description 4
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000008595 infiltration Effects 0.000 abstract 1
- 238000001764 infiltration Methods 0.000 abstract 1
- 235000010215 titanium dioxide Nutrition 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 8
- 239000003822 epoxy resin Substances 0.000 description 8
- 229920000647 polyepoxide Polymers 0.000 description 8
- 150000008064 anhydrides Chemical class 0.000 description 5
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 5
- 125000006158 tetracarboxylic acid group Chemical group 0.000 description 4
- HECLRDQVFMWTQS-UHFFFAOYSA-N Dicyclopentadiene Chemical group C1C2C3CC=CC3C1C=C2 HECLRDQVFMWTQS-UHFFFAOYSA-N 0.000 description 3
- NEHDRDVHPTWWFG-UHFFFAOYSA-N Dioctyl hexanedioate Chemical group CCCCCCCCOC(=O)CCCCC(=O)OCCCCCCCC NEHDRDVHPTWWFG-UHFFFAOYSA-N 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical group CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 description 1
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- -1 N- (beta-aminoethyl) -gamma-aminopropyl Chemical group 0.000 description 1
- OUBMGJOQLXMSNT-UHFFFAOYSA-N N-isopropyl-N'-phenyl-p-phenylenediamine Chemical compound C1=CC(NC(C)C)=CC=C1NC1=CC=CC=C1 OUBMGJOQLXMSNT-UHFFFAOYSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 description 1
- XWVQUJDBOICHGH-UHFFFAOYSA-N dioctyl nonanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCC(=O)OCCCCCCCC XWVQUJDBOICHGH-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- CWAFVXWRGIEBPL-UHFFFAOYSA-N ethoxysilane Chemical compound CCO[SiH3] CWAFVXWRGIEBPL-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QOHMWDJIBGVPIF-UHFFFAOYSA-N n',n'-diethylpropane-1,3-diamine Chemical compound CCN(CC)CCCN QOHMWDJIBGVPIF-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
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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
- C09J145/00—Adhesives based on homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic system; Adhesives based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
- C08K2003/3036—Sulfides of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
Abstract
The invention relates to the field of C09J adhesives, and in particular provides a special structural adhesive for surgical gowns and a preparation method thereof. The invention provides a special structural adhesive for surgical gowns, which is prepared from the following raw materials of a modified matrix, a filler, a hardener, a viscosity regulator, a modifier, a silane coupling agent, an aliphatic dibasic acid ester plasticizer and the like. Compared with the prior art, the structural adhesive prepared by the invention has excellent adhesive force on the surface of the surgical gown, and simultaneously has good mechanical property, water resistance and infiltration performance, can be widely applied to the field of the surgical gown, and prolongs the service life of the surgical gown while not affecting the comfort of the surgical gown.
Description
Technical Field
The invention relates to the field of C09J adhesives, and in particular provides a special structural adhesive for surgical gowns and a preparation method thereof.
Background
Structural adhesives are widely used in various fields of industrial production due to their excellent aging resistance, corrosion resistance and other properties. With the continuous development of industrial science and technology, the performance requirements on the structural adhesive are higher and higher, and in particular, the requirements on the mechanical properties, viscosity, water resistance, wettability and the like of the structural adhesive applied to the surgical gown are put forward, and the performance of the structural adhesive in the prior art can not meet the requirements of the increasing development of the industrial field.
The Chinese patent with the patent publication number of CN111849398A discloses a modified epoxy resin structural adhesive and a preparation method thereof, polyurethane is used for modifying epoxy resin in the patent, so that the toughness and mechanical property of the epoxy resin structural adhesive are improved, but the problem of easy agglomeration of nano calcium carbonate used in the scheme is likely to exist, the mass production of the structural adhesive is not facilitated, the stability of the structural adhesive is affected, and the application of the structural adhesive as the structural adhesive in practical production is limited.
The Chinese patent publication No. CN104804693A discloses a novel high-temperature-resistant epoxy resin structural adhesive and a preparation method thereof, which mainly solve the defect of poor high-temperature resistance of the epoxy resin structural adhesive, but the mechanical property and toughness of the structural adhesive prepared by the novel high-temperature-resistant epoxy resin structural adhesive are not remarkably shown.
Therefore, developing the special structural adhesive for the surgical gown with excellent mechanical property, wetting property, water resistance and adhesive property has potential market application value.
Disclosure of Invention
In order to solve the problems, the first aspect of the invention provides a special structural adhesive for surgical gowns, which comprises the following raw materials in parts by weight: 70-100 parts of modified matrix, 30-60 parts of filler, 2-8 parts of hardener, 1-5 parts of viscosity modifier, 2-5 parts of modifier, 1-3 parts of silane coupling agent, 5-15 parts of aliphatic dibasic acid ester plasticizer and 1-3 parts of anti-aging agent.
As a preferable technical scheme of the invention, the modified matrix comprises at least one of modified terpene phenol resin and maleic anhydride modified polybutadiene liquid rubber.
As a more preferable embodiment of the present invention, the modified matrix is a modified terpene phenol resin.
As a preferable technical scheme of the invention, the filler comprises at least one of titanium white powder, lithopone and lithopone.
As a more preferable technical scheme of the invention, the filler is titanium dioxide and lithopone, and the mass ratio of the titanium dioxide to the lithopone is (0.6-1.2): (1.1-1.5).
As a most preferable technical scheme of the invention, the mass ratio of the titanium dioxide to the lithopone is 0.8:1.3.
as a preferable embodiment of the present invention, the hardener includes at least one of an aliphatic amine hardener, an acid anhydride hardener, and an imidazole hardener.
As a more preferable technical scheme of the invention, the hardener is aliphatic amine hardener and anhydride hardener, and the mass ratio of the aliphatic amine hardener to the anhydride hardener is (0.8-1.6): (0.3-1.2).
As a most preferable technical scheme of the invention, the mass ratio of the aliphatic amine hardener to the anhydride hardener is 1.3:0.7.
as a preferable technical scheme of the invention, the aliphatic amine hardener is at least one of hexamethylenediamine, diethylenetriamine and N, N-diethylaminopropylamine.
As a preferable technical scheme of the invention, the anhydride hardener comprises at least one of tetrahydrophthalic anhydride, polyazelaic anhydride and diphenyl ether tetracarboxylic dianhydride.
In a preferred embodiment of the present invention, the viscosity modifier includes at least one of a liquid polyisobutylene, a polybutene, and a diene liquid rubber.
In a more preferred embodiment of the present invention, the viscosity modifier is liquid polyisobutylene.
The applicant finds that when the modified terpene phenol resin is used as a sizing material main body, the cohesive force of the prepared structural adhesive is obviously improved, the mechanical property is correspondingly improved, and meanwhile, the modified terpene phenol resin has good adhesion to the surface of the surgical gown, but the modified terpene phenol resin has the problems of high viscosity and poor wettability of the structural adhesive on the surface of the surgical gown; when liquid polyisobutene is added into the system, the viscosity of the structural adhesive can be well improved, the adhesive property of the structural adhesive on the surface of the surgical gown is improved, the shrinkage rate of the structural adhesive is obviously reduced, and the mechanical property of the structural adhesive is improved. The applicant speculates that the possible reason is that the introduction of the liquid polyisobutene with certain mass is beneficial to improving the crosslinking solidification density of the structural adhesive, so that the hardness of the adhesive is improved, the shrinkage of the structural adhesive is reduced, the mechanical property of the structural adhesive is improved, and the mechanical property and the wetting property of the structural adhesive in the system are balanced.
As a preferred embodiment of the present invention, the modifier comprises at least one of maleic anhydride-modified polybutadiene, dicyclopentadiene, and a styrene-isoprene-styrene copolymer.
As a more preferable technical scheme of the invention, the modifier is maleic anhydride modified polybutadiene and dicyclopentadiene, and the mass ratio of the maleic anhydride modified polybutadiene to the dicyclopentadiene is (0.2-0.9): (1.2-1.4).
As a most preferable technical scheme of the invention, the mass ratio of the maleic anhydride modified polybutadiene to the dicyclopentadiene is 0.7:1.3.
as a preferred embodiment of the present invention, the viscosity of the maleic anhydride-modified polybutadiene is 900000-180000mPa.s.
As a preferable technical scheme of the invention, the silane coupling agent comprises at least one of 3-aminopropyl triethoxysilane, gamma-glycidoxypropyl trimethoxysilane and N- (beta-aminoethyl) -gamma-aminopropyl trimethyl (ethoxysilane.
In order to improve the compatibility of each component in a system, enhance the stripping resistance and the dripping resistance of the structural adhesive and enhance the adhesive force of the structural adhesive on surgical gowns, as a more preferable technical scheme of the invention, the silane coupling agent is 3-aminopropyl triethoxysilane, gamma-glycidoxypropyl trimethoxysilane, and the mass ratio of the 3-aminopropyl triethoxysilane to the gamma-glycidoxypropyl trimethoxysilane is (0.3-0.7): (1.1-1.5).
As a most preferable technical scheme of the invention, the mass ratio of the 3-aminopropyl triethoxysilane to the gamma-glycidoxypropyl trimethoxysilane is 0.5:1.3.
as a preferable technical scheme of the invention, the aliphatic dibasic acid ester plasticizer comprises at least one of dioctyl adipate, dioctyl azelate and dioctyl sebacate.
In order to improve the viscosity and fluidity of the structural adhesive, enhance the stability of a system, improve the processing performance of the structural adhesive, promote the adhesive force between the structural adhesive and the surgical gown, and expand the application of the structural adhesive in the field of surgical gowns. In some preferred embodiments, the aliphatic dibasic acid ester plasticizer is dioctyl adipate.
As a preferable technical scheme of the invention, the anti-aging agent comprises at least one of N-phenyl-beta-naphthylamine, p-phenylenediamine and N-phenyl-N' -isopropyl-p-phenylenediamine.
The second aspect of the invention provides a preparation method of special structural adhesive for surgical gowns, which comprises the following steps:
(1) Stirring the modified matrix, the filler, the viscosity modifier, the aliphatic diacid ester plasticizer and the anti-aging agent for 30-60min at 120-140 ℃ to obtain a uniformly mixed mixture;
(2) And (3) adding the mixture obtained in the step (1) and the hardening agent and the silane coupling agent into a glue making machine, and stirring for 70-100min at the temperature of 100-140 ℃ to obtain the special structural glue for the surgical gown.
Compared with the prior art, the invention has the following beneficial effects:
1. the special structural adhesive for the surgical gown, which is prepared by the invention, solves the problem of poor adhesion to the surgical gown of the structural adhesive in the prior art by taking the modified terpene phenol resin as the main raw material, improves the cohesive force of the structural adhesive and enhances the mechanical property of the structural adhesive;
2. the special structural adhesive for the surgical gown, which is prepared by the invention, is prepared by adding the following components in percentage by mass into a system: 1.3, the titanium dioxide and lithopone enhance the hardness, compressive property and impact resistance of the structural adhesive, and meanwhile, the filler with certain granularity is uniformly dispersed in the pores of the resin and rubber molecular chains in the system, so that the moving frequency of the molecular chains is further reduced, and the water resistance of the structural adhesive is improved;
3. according to the structural adhesive special for the surgical gown, the liquid polyisobutene is added into the system, so that the wettability of the structural adhesive can be improved, the shrinkage rate of the structural adhesive is obviously reduced, the mechanical property of the structural adhesive is improved, the mechanical property and the wettability of the structural adhesive in the system are balanced, and the application range of the structural adhesive in the field of surgical gowns is enlarged;
4. the special structural adhesive for the surgical gown, which is prepared by the invention, is prepared by adding the following components in percentage by mass into a system: 1.3, improving the compatibility of each component in the system, and simultaneously enhancing the stripping resistance and the dripping resistance of the structural adhesive, so that the structural adhesive is easier to push away uniformly on the surgical gown, improving the adhesive force of the structural adhesive on the surgical gown and prolonging the service life of the surgical gown;
5. the special structural adhesive for the surgical gown, which is prepared by the invention, is added into the system to interact with resin in the system, so that the structural adhesive has mechanical properties, the viscosity and the fluidity of the structural adhesive are improved, the stability of the system is enhanced, the processing performance of the structural adhesive is improved, the adhesive force between the structural adhesive and the surgical gown is improved, the whole synthesis process is simple, and the special structural adhesive for the surgical gown is favorable for large-scale production, sales and popularization.
Detailed Description
Examples
Example 1
The embodiment 1 provides a special structural adhesive for surgical gowns, which comprises the following raw materials in parts by weight: 70 parts of modified matrix, 30 parts of filler, 2 parts of hardener, 1 part of viscosity modifier, 2 parts of modifier, 1 part of silane coupling agent, 5 parts of aliphatic dibasic acid ester plasticizer and 1 part of antioxidant.
The modified matrix is modified terpene phenol resin, the model of the modified terpene phenol resin is BX-930, and the modified terpene phenol resin is purchased from the Buddha Baolin chemical industry Co.
The filler is titanium dioxide and lithopone, and the mass ratio of the titanium dioxide to the lithopone is 0.8:1.3; the titanium dioxide is rutile type titanium dioxide R-930, and is purchased from Hebei Bofeng chemical products limited company; the lithopone is lithopone B-311, and is purchased from Hebei Bofeng chemical products Co., ltd;
the hardener is diethylenetriamine and diphenyl ether tetraacetic dianhydride, and the mass ratio of the diethylenetriamine to the diphenyl ether tetraacetic dianhydride is 1.3:0.7; the CAS number of the diethylenetriamine is 111-40-0; the CAS number of the diphenyl ether tetracarboxylic dianhydride is 1823-59-2;
the viscosity modifier is liquid polyisobutene, the type of which is PB-6240, purchased from Guangzhou Kong Petroleum technology Co.
The modifier is maleic anhydride modified polybutadiene and dicyclopentadiene, and the mass ratio of the maleic anhydride modified polybutadiene to the dicyclopentadiene is 0.7:1.3; the maleic anhydride modified polybutadiene is purchased from Beijing Yanshan Jigang petrochemical industry Co., ltd, the model is MLPB, and the viscosity is 100000-150000mPa.s; the CAS number of dicyclopentadiene is 77-73-6;
the coupling agent is 3-aminopropyl triethoxy silane, gamma-glycidol ether oxypropyl trimethoxy silane, and the mass ratio of the 3-aminopropyl triethoxy silane to the gamma-glycidol ether oxypropyl trimethoxy silane is 0.5:1.3; the CAS number of the 3-aminopropyl triethoxysilane is 919-30-2; gamma-glycidoxypropyl trimethoxysilane was purchased from suzhou navigation biotechnology limited under model 99;
the aliphatic dibasic acid ester plasticizer is dioctyl adipate, and the CAS number of the dioctyl adipate is 123-79-5;
the anti-aging agent is N-phenyl-beta-naphthylamine, and the CAS number of the N-phenyl-beta-naphthylamine is 135-88-6;
the preparation method of the special structural adhesive for the surgical gown comprises the following steps of:
(1) Stirring the modified matrix, the filler, the viscosity modifier, the aliphatic diacid ester plasticizer and the anti-aging agent for 45min at 135 ℃ to obtain a uniformly mixed mixture;
(2) And (3) adding the mixture obtained in the step (1) and the hardening agent and the silane coupling agent into a glue making machine, and stirring for 80min at 140 ℃ to obtain the special structural glue for the surgical gown.
Example 2
The embodiment 2 provides a special structural adhesive for surgical gowns, which comprises the following raw materials in parts by weight: 100 parts of modified matrix, 60 parts of filler, 8 parts of hardener, 5 parts of viscosity modifier, 5 parts of modifier, 3 parts of silane coupling agent, 15 parts of aliphatic dibasic acid ester plasticizer and 3 parts of anti-aging agent.
The modified matrix is modified terpene phenol resin, the model of the modified terpene phenol resin is BX-930, and the modified terpene phenol resin is purchased from the Buddha Baolin chemical industry Co.
The filler is titanium dioxide and lithopone, and the mass ratio of the titanium dioxide to the lithopone is 0.8:1.3; the titanium dioxide is rutile type titanium dioxide R-930, and is purchased from Hebei Bofeng chemical products limited company; the lithopone is lithopone B-311, and is purchased from Hebei Bofeng chemical products Co., ltd;
the hardener is diethylenetriamine and diphenyl ether tetraacetic dianhydride, and the mass ratio of the diethylenetriamine to the diphenyl ether tetraacetic dianhydride is 1.3:0.7; the CAS number of the diethylenetriamine is 111-40-0; the CAS number of the diphenyl ether tetracarboxylic dianhydride is 1823-59-2;
the viscosity modifier is liquid polyisobutene, the type of which is PB-6240, purchased from Guangzhou Kong Petroleum technology Co.
The modifier is maleic anhydride modified polybutadiene and dicyclopentadiene, and the mass ratio of the maleic anhydride modified polybutadiene to the dicyclopentadiene is 0.7:1.3; the maleic anhydride modified polybutadiene is purchased from Beijing Yanshan Jigang petrochemical industry Co., ltd, the model is MLPB, and the viscosity is 100000-150000mPa.s; the CAS number of dicyclopentadiene is 77-73-6;
the coupling agent is 3-aminopropyl triethoxy silane, gamma-glycidol ether oxypropyl trimethoxy silane, and the mass ratio of the 3-aminopropyl triethoxy silane to the gamma-glycidol ether oxypropyl trimethoxy silane is 0.5:1.3; the CAS number of the 3-aminopropyl triethoxysilane is 919-30-2; gamma-glycidoxypropyl trimethoxysilane was purchased from suzhou navigation biotechnology limited under model 99;
the aliphatic dibasic acid ester plasticizer is dioctyl adipate, and the CAS number of the dioctyl adipate is 123-79-5;
the anti-aging agent is N-phenyl-beta-naphthylamine, and the CAS number of the N-phenyl-beta-naphthylamine is 135-88-6;
the preparation method of the structural adhesive special for the surgical gown is the same as that of the embodiment 1.
Example 3
The embodiment 3 provides a special structural adhesive for surgical gowns, which comprises the following raw materials in parts by weight: 85 parts of modified matrix, 45 parts of filler, 6 parts of hardener, 3 parts of viscosity modifier, 3 parts of modifier, 2 parts of silane coupling agent, 7 parts of aliphatic dibasic acid ester plasticizer and 2 parts of antioxidant.
The modified matrix is modified terpene phenol resin, the model of the modified terpene phenol resin is BX-930, and the modified terpene phenol resin is purchased from the Buddha Baolin chemical industry Co.
The filler is titanium dioxide and lithopone, and the mass ratio of the titanium dioxide to the lithopone is 0.8:1.3; the titanium dioxide is rutile type titanium dioxide R-930, and is purchased from Hebei Bofeng chemical products limited company; the lithopone is lithopone B-311, and is purchased from Hebei Bofeng chemical products Co., ltd;
the hardener is diethylenetriamine and diphenyl ether tetraacetic dianhydride, and the mass ratio of the diethylenetriamine to the diphenyl ether tetraacetic dianhydride is 1.3:0.7; the CAS number of the diethylenetriamine is 111-40-0; the CAS number of the diphenyl ether tetracarboxylic dianhydride is 1823-59-2;
the viscosity modifier is liquid polyisobutene, the type of which is PB-6240, purchased from Guangzhou Kong Petroleum technology Co.
The modifier is maleic anhydride modified polybutadiene and dicyclopentadiene, and the mass ratio of the maleic anhydride modified polybutadiene to the dicyclopentadiene is 0.7:1.3; the maleic anhydride modified polybutadiene is purchased from Beijing Yanshan Jigang petrochemical industry Co., ltd, the model is MLPB, and the viscosity is 100000-150000mPa.s; the CAS number of dicyclopentadiene is 77-73-6;
the coupling agent is 3-aminopropyl triethoxy silane, gamma-glycidol ether oxypropyl trimethoxy silane, and the mass ratio of the 3-aminopropyl triethoxy silane to the gamma-glycidol ether oxypropyl trimethoxy silane is 0.5:1.3; the CAS number of the 3-aminopropyl triethoxysilane is 919-30-2; gamma-glycidoxypropyl trimethoxysilane was purchased from suzhou navigation biotechnology limited under model 99;
the aliphatic dibasic acid ester plasticizer is dioctyl adipate, and the CAS number of the dioctyl adipate is 123-79-5;
the anti-aging agent is N-phenyl-beta-naphthylamine, and the CAS number of the N-phenyl-beta-naphthylamine is 135-88-6;
the preparation method of the structural adhesive special for the surgical gown is the same as that of the embodiment 1.
Comparative example 1
The specific embodiment of comparative example 1 is the same as example 3, except that the modified matrix is epoxy resin, nitrile rubber, and the mass ratio of epoxy resin to nitrile rubber is 1.6:0.7
Comparative example 2
Comparative example 2 a specific embodiment is the same as example 3 except that the viscosity modifier is n-butanol.
Comparative example 3
Comparative example 3a specific embodiment is the same as example 3 except that no silane coupling agent is added.
Evaluation of Performance
Performance tests were performed on the structural adhesives for surgical gowns prepared in examples 1 to 3 and comparative examples 1 to 3.
(1) Tensile strength test:
the tensile properties of the structural adhesives special for surgical gowns prepared in examples 1-3 and comparative examples 1-3 were tested according to GB/T6329-1986 adhesive tensile Strength test method, and the measured data are shown in Table 1;
TABLE 1
(3) The viscosity and softening point of the structural adhesive for surgical gowns prepared in example 3 were measured, and the measured data are shown in table 2.
The structural adhesive prepared in example 3 was placed in a geodetic rotational viscometer according to HG/T3660-1999 "determination of melt viscosity of Hot melt adhesive". Viscosity testing was performed using a geodetic rotary viscometer available from Shanghai topography instrument under model number 90614;
the structural adhesive prepared in example 3 was placed in an automatic softening point tester, and the softening point test was performed according to GB/T15332-1994 method for measuring the softening point of Hot melt adhesive, the automatic softening point tester was purchased from Shanghai institute of instruments, model 52149;
TABLE 2
Claims (1)
1. The special structural adhesive for the surgical gown is characterized by comprising the following raw materials in parts by weight: 85 parts of modified matrix, 45 parts of filler, 6 parts of hardener, 3 parts of viscosity modifier, 3 parts of modifier, 2 parts of silane coupling agent, 7 parts of aliphatic dibasic acid ester plasticizer and 2 parts of antioxidant;
the modified matrix is modified terpene phenol resin, the model of the modified terpene phenol resin is BX-930, and the modified terpene phenol resin is purchased from the Buddha Baolin chemical industry Co., ltd;
the filler is titanium dioxide and lithopone, and the mass ratio of the titanium dioxide to the lithopone is 0.8:1.3; the titanium dioxide is rutile type titanium dioxide R-930, and is purchased from Hebei Bofeng chemical products limited company; the lithopone is lithopone B-311, and is purchased from Hebei Bofeng chemical products Co., ltd;
the hardener is diethylenetriamine and diphenyl ether tetraacetic dianhydride, and the mass ratio of the diethylenetriamine to the diphenyl ether tetraacetic dianhydride is 1.3:0.7;
the viscosity regulator is liquid polyisobutene, the type of the liquid polyisobutene is PB-6240, and the liquid polyisobutene is purchased from Guangzhou Kong petroleum technology Co., ltd;
the modifier is maleic anhydride modified polybutadiene and dicyclopentadiene, and the mass ratio of the maleic anhydride modified polybutadiene to the dicyclopentadiene is 0.7:1.3; the maleic anhydride modified polybutadiene is MLPB and has viscosity of 100000-150000mPa.s, and is purchased from Beijing Yanshan Jigang petrochemical industry Co., ltd; the coupling agent is 3-aminopropyl triethoxy silane, gamma-glycidol ether oxypropyl trimethoxy silane, and the mass ratio of the 3-aminopropyl triethoxy silane to the gamma-glycidol ether oxypropyl trimethoxy silane is 0.5:1.3, gamma-glycidoxypropyl trimethoxysilane available from Soviet biosciences Inc., model 99;
the aliphatic dibasic acid ester plasticizer is dioctyl adipate;
the anti-aging agent is N-phenyl-beta-naphthylamine;
the preparation method of the special structural adhesive for the surgical gown comprises the following steps:
(1) Stirring the modified matrix, the filler, the viscosity modifier, the aliphatic diacid ester plasticizer and the anti-aging agent for 45min at 135 ℃ to obtain a uniformly mixed mixture;
(2) And (3) adding the mixture obtained in the step (1) and the hardening agent and the silane coupling agent into a glue making machine, and stirring for 80min at 140 ℃ to obtain the special structural glue for the surgical gown.
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110734707A (en) * | 2019-09-26 | 2020-01-31 | 江苏晶华新材料科技有限公司 | practical environment-friendly cleaning adhesive tape |
CN110746913A (en) * | 2019-10-24 | 2020-02-04 | 嘉好(太仓)新材料股份有限公司 | Special hot-melt pressure-sensitive adhesive for foot paste bottom support and preparation method thereof |
CN114231244A (en) * | 2021-12-14 | 2022-03-25 | 杭州之江有机硅化工有限公司 | Bi-component silicone sealant for hollow shutter and preparation method thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110734707A (en) * | 2019-09-26 | 2020-01-31 | 江苏晶华新材料科技有限公司 | practical environment-friendly cleaning adhesive tape |
CN110746913A (en) * | 2019-10-24 | 2020-02-04 | 嘉好(太仓)新材料股份有限公司 | Special hot-melt pressure-sensitive adhesive for foot paste bottom support and preparation method thereof |
CN114231244A (en) * | 2021-12-14 | 2022-03-25 | 杭州之江有机硅化工有限公司 | Bi-component silicone sealant for hollow shutter and preparation method thereof |
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