CN115247048A - Hot melt adhesive for medical protective clothing and preparation method thereof - Google Patents
Hot melt adhesive for medical protective clothing and preparation method thereof Download PDFInfo
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- CN115247048A CN115247048A CN202211013870.3A CN202211013870A CN115247048A CN 115247048 A CN115247048 A CN 115247048A CN 202211013870 A CN202211013870 A CN 202211013870A CN 115247048 A CN115247048 A CN 115247048A
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- block copolymer
- hot melt
- melt adhesive
- protective clothing
- medical protective
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- 239000004831 Hot glue Substances 0.000 title claims abstract description 57
- 230000001681 protective effect Effects 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 229920005989 resin Polymers 0.000 claims abstract description 85
- 239000011347 resin Substances 0.000 claims abstract description 84
- 229920001400 block copolymer Polymers 0.000 claims abstract description 83
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 37
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 37
- 239000002250 absorbent Substances 0.000 claims abstract description 26
- 230000002745 absorbent Effects 0.000 claims abstract description 26
- 239000004014 plasticizer Substances 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 10
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000012467 final product Substances 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- YHJNUOFQBTZSDD-UHFFFAOYSA-N buta-1,3-diene;3-chloroprop-1-ene;styrene Chemical compound C=CC=C.ClCC=C.C=CC1=CC=CC=C1 YHJNUOFQBTZSDD-UHFFFAOYSA-N 0.000 claims description 2
- 229940057995 liquid paraffin Drugs 0.000 claims description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 10
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 230000000740 bleeding effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 description 52
- 239000003208 petroleum Substances 0.000 description 19
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 17
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 17
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 12
- HECLRDQVFMWTQS-UHFFFAOYSA-N Dicyclopentadiene Chemical compound C1C2C3CC=CC3C1C=C2 HECLRDQVFMWTQS-UHFFFAOYSA-N 0.000 description 11
- 239000003921 oil Substances 0.000 description 9
- 239000012964 benzotriazole Substances 0.000 description 5
- 125000002723 alicyclic group Chemical group 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 3
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- VSAWBBYYMBQKIK-UHFFFAOYSA-N 4-[[3,5-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol Chemical compound CC1=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C1CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VSAWBBYYMBQKIK-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000008360 acrylonitriles Chemical class 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J193/00—Adhesives based on natural resins; Adhesives based on derivatives thereof
- C09J193/04—Rosin
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to the technical field of hot melt adhesives, in particular to the field of IPC 09J7, and more particularly relates to a hot melt adhesive for medical protective clothing and a preparation method thereof. The hot melt adhesive for the medical protective clothing comprises the following preparation raw materials in parts by weight: 15-30 parts of plasticizer, 10-20 parts of block copolymer, 50-70 parts of tackifying resin, 0.05-0.5 part of ultraviolet absorbent and 0.2-1 part of antioxidant. By selecting and using specific block copolymers, tackifying resin, plasticizer and other raw materials in a matching way and selecting and reasonably regulating the raw materials, the prepared hot melt adhesive has good fluidity, and has strong wettability to different base materials, especially medical protective clothing, so that the adhesive strength is high, the initial adhesion is strong, the water resistance is high, the bleeding water resistance is good, and the thermal stability is excellent.
Description
Technical Field
The invention relates to the technical field of hot melt adhesives, in particular to the field of IPC 09J7, and more particularly relates to a hot melt adhesive for medical protective clothing and a preparation method thereof.
Background
In recent years, due to epidemic situations, the demand of medical protective clothing is promoted year by year, the water resistance and the air permeability of the conventional medical protective clothing fabric are good, but after the medical protective clothing fabric is combined into the whole protective clothing, the hot melt adhesive bonding property of the joint of the fabric is poor, so that the medical protective clothing is poor in water permeability resistance, and the blood water is easy to permeate during operation.
In the prior art, a patent application publication number of CN 105086893A discloses a medical hot melt adhesive and a preparation method thereof, and the medical hot melt adhesive with good air permeability is prepared, but the peel strength is low, and the improvement on the water seepage resistance is not obvious.
The patent application publication No. CN 103740305A discloses a medical hot melt adhesive and a preparation method thereof, only the hot melt adhesive with better viscosity and flexibility at low temperature is backed, but the peel strength is not high, the permanent adhesion is weak, and the improvement on the water seepage resistance is not obvious.
Disclosure of Invention
In order to solve the problems, the invention provides a hot melt adhesive for medical protective clothing, which comprises the following raw materials in parts by weight: 15-30 parts of plasticizer, 10-20 parts of block copolymer, 50-70 parts of tackifying resin, 0.05-0.5 part of ultraviolet absorbent and 0.2-1 part of antioxidant.
Preferably, the plasticizer is one or more of white oil, liquid paraffin, phthalate, naphthenic oil and polyethylene glycol; further preferred are naphthenic oils.
Preferably, the naphthenic oil has a kinematic viscosity of 9 to 12mm at 100 ℃ 2 S; more preferably, it is 10.42mm 2 /s。
In some preferred embodiments, the plasticizer is purchased from N4010 available from shandong sumitomo lubrication technologies, inc.
Preferably, the block copolymer is one or more of SIS block copolymer, styrene-butadiene-styrene block copolymer and styrene-butadiene-3-chloropropene block copolymer; further preferred is an SIS block copolymer (styrene-isoprene-styrene block copolymer).
Preferably, the structure of the SIS block copolymer is any one of linear and star-shaped; more preferably, it is linear.
Preferably, the SIS block copolymers include a first SIS block copolymer, a second SIS block copolymer, and a third SIS block copolymer.
Preferably, the weight ratio of the first SIS block copolymer, the second SIS block copolymer and the third SIS block copolymer is (1-2): (1-2): (1-2); further preferred is 5.4.
Preferably, the first SIS block copolymer has a styrene content of 20 to 40wt% and a shore a hardness of 50 to 70; more preferably, the first SIS block copolymer has a styrene content of 29wt% and a shore a hardness of 61.
In some preferred embodiments, the first SIS block copolymer is purchased from YH 1209, manufactured by chemical company, south of the supplier lake.
Preferably, the diblock content of the second SIS block copolymer is 15 to 35wt%, and the elongation is 1000 to 1200%; more preferably, the second SIS block copolymer has a diblock content of 25wt% and an elongation of 1100%.
In some preferred embodiments, the second SIS block copolymer is purchased from 4213N manufactured by supplier company.
Preferably, the third SIS block copolymer has a melt index at 200 ℃ of 8 to 15g/10min, and a viscosity at 25 ℃ in a 25wt% toluene solution of 800 to 1000 mPas; further preferably, the third SIS block copolymer has a melt index at 200 ℃ of 11g/10min and a viscosity at 25 ℃ of 900 mPas in a 25wt% toluene solution.
In some preferred embodiments, the third SIS block copolymer is purchased from YH 1106, manufactured by chemical industries of south America, inc. of the supplier lake.
Preferably, the tackifying resin is one or more of rosin resin, petroleum resin, terpene resin, coumarone resin and phenolic resin; further preferred are rosin resins and petroleum resins.
Preferably, the weight ratio of the rosin resin to the petroleum resin is (2-3): 1; further preferably, it is 20.
Preferably, the softening point of the rosin resin is 95-110 ℃, and the melt viscosity of the rosin resin is 500-2500cp at 150 ℃; more preferably, the softening point of the rosin resin is 100-108 ℃, and the melt viscosity at 150 ℃ is 1000-2000cp.
In some preferred embodiments, the rosin resin is purchased from KA100L, a super tackifying resin, manufactured by Guangdong Ke Maolin chemical Co.
Preferably, the petroleum resin is one or more of aliphatic resin, alicyclic resin, aromatic resin, aliphatic hydrogenated petroleum resin, alicyclic hydrogenated resin and aromatic hydrogenated petroleum resin; further preferred are aliphatic hydrogenated petroleum resins (C5 hydrogenated resins) and alicyclic hydrogenated resins (DCPD hydrogenated resins).
Preferably, the weight ratio of the C5 hydrogenated resin to the DCPD hydrogenated resin is 1: (1-2); more preferably, it is 3:5.
Preferably, the softening point of the C5 hydrogenated resin is 90-105 ℃; more preferably, it is 95 to 104.9 ℃.
In some preferred embodiments, the C5 hydrogenated resin is purchased from H5-1001, manufactured by the Henkel corporation.
Preferably, the softening point of the DCPD hydrogenated resin is 95-110 ℃, and the acid value is less than or equal to 1mgKOH/g; more preferably, the softening point of the DCPD hydrogenated resin is 97-105 ℃, and the acid value is less than or equal to 0.5mgKOH/g.
In some preferred embodiments, the DCPD hydrogenated resin is purchased from Rayson Petroleum resins, inc
Preferably, the ultraviolet absorbent is one or more of salicylate ultraviolet absorbent, substituted acrylonitrile ultraviolet absorbent, benzotriazole ultraviolet absorbent, benzophenone ultraviolet absorbent and triazine ultraviolet absorbent; further preferably, the ultraviolet absorber is a benzotriazole-based ultraviolet absorber.
Preferably, the benzotriazole ultraviolet absorbent is one or more of ultraviolet absorbent UV-P, ultraviolet absorbent UVP-327, ultraviolet absorbent UV-326, ultraviolet absorbent UV-328 and ultraviolet absorbent UV-329; further preferably, the ultraviolet absorber is UV-326.
In some preferred embodiments, the UV absorber UV-326 is purchased from a supplierLight stabilizer produced by Shangtianjin Li Anlong New Material Ltd
UV-326。
Preferably, the antioxidant comprises a primary antioxidant and a secondary antioxidant.
Preferably, the weight ratio of the main antioxidant to the auxiliary antioxidant is (1-2): (1-2); more preferably, it is 1:1.
Preferably, the primary antioxidant is one or more of an antioxidant 1010, an antioxidant 1076, an antioxidant 330 and an antioxidant 3114; more preferably, it is an antioxidant 1010.
In some preferred embodiments, the primary antioxidant is purchased from Tianjin Li Anlong New materials Co
1010。
Preferably, the secondary antioxidant is one or more of antioxidant 168, antioxidant 626, antioxidant 636 and antioxidant 686; more preferably, it is an antioxidant 168.
In some preferred embodiments, the secondary antioxidant is purchased from Tianjin Li Anlong New materials Co
168。
The invention provides a preparation method of the hot melt adhesive for medical protective clothing, which comprises the following steps: mixing tackifying resin, plasticizer, ultraviolet absorbent and antioxidant, heating to 130-190 deg.C, stirring until the solution is uniform and transparent, adding block copolymer, stirring, cooling to 20-30 deg.C to obtain the final product.
Three specific SIS block copolymers are selected as block copolymers, and the weight ratio of the first SIS block copolymer, the second SIS block copolymer and the third SIS block copolymer is (1-2): (1-2): (1-2) in between three kinds of SISAnd the synergistic effect can greatly improve the bonding strength of the hot melt adhesive. Selecting the following components in a specific weight ratio of (2-3): 1, the rosin resin and the petroleum resin are used as tackifying resin, the compatibility between the tackifying resin and the segmented copolymer is good, the cohesive strength and the elastic modulus of the hot melt adhesive can be reduced, so that the initial adhesion and the peeling force of the hot melt adhesive are improved on the one hand, the viscosity of the hot melt adhesive is reduced on the other hand, the wettability between the hot melt adhesive and a base material is strong, the waterproofness is good, in addition, the content of unsaturated hydrocarbon in the hydrogenated petroleum resin is low, and the high-temperature stability of the hot melt adhesive can be improved. Selecting kinematic viscosity at 100 deg.C of 5-15mm 2 The/s naphthenic oil is used as a plasticizer and can act with the block polymer in a synergistic manner, so that the initial adhesion is further increased, and the melt viscosity of the hot melt adhesive is reduced, so that the processing performance of the hot melt adhesive is improved, and the hot melt adhesive can fill pits on the surface of the medical protective clothing, so that the bonding defect is reduced, the adhesiveness between the hot melt adhesive and the protective clothing is good, and the water permeability resistance is high.
Has the advantages that:
1. three specific SIS block copolymers are selected as the block copolymer, and the weight ratio of the first SIS block copolymer, the second SIS block copolymer and the third SIS block copolymer is (1-2): (1-2): and (1-2), the three SIS have synergistic effect, so that the bonding strength of the hot melt adhesive can be greatly improved.
2. Selecting the specific weight ratio of (2-3): 1, the rosin resin and the petroleum resin are used as tackifying resins, so that the initial adhesion and the peeling force of the hot melt adhesive are improved, and the viscosity of the hot melt adhesive is reduced, so that the hot melt adhesive has strong wettability with a base material and good waterproofness.
3. By selecting kinematic viscosity at 100 deg.C of 5-15mm 2 The naphthenic oil/s is used as a plasticizer, so that the processing performance of the hot melt adhesive is improved, the adhesion between the hot melt adhesive and the protective clothing is good, and the water seepage resistance is high.
4. According to the application, the raw materials such as the specific block copolymer, the tackifying resin and the plasticizer are selected for use in a matched manner, and the raw materials are selected and reasonably regulated, so that the prepared hot melt adhesive has good fluidity, and has strong wettability on different base materials, particularly medical protective clothing, so that the adhesive strength is high, the initial adhesion force is strong, the waterproofness is high, the bleeding water resistance is good, and the thermal stability is excellent.
Detailed Description
Examples
Example 1
Embodiment 1 provides a hot melt adhesive for medical protective clothing, which comprises the following preparation raw materials in parts by weight: 24 parts of plasticizer, 16.9 parts of block copolymer, 58.3 parts of tackifying resin, 0.2 part of ultraviolet absorbent and 0.6 part of antioxidant.
The plasticizer is naphthenic oil.
The naphthenic oil has a kinematic viscosity of 10.42mm at 100 DEG C 2 /s。
The plasticizer was purchased from N4010, manufactured by shandong assistant friend lubrication technology co.
The block copolymer is an SIS block copolymer.
The structure of the SIS block copolymer is linear.
The SIS block copolymers include a first SIS block copolymer, a second SIS block copolymer, and a third SIS block copolymer.
The weight ratio of the first SIS block copolymer, second SIS block copolymer, and third SIS block copolymer is 5.4.
The first SIS block copolymer has a styrene content of 29wt% and a shore a hardness of 61.
The first SIS block copolymer was purchased from YH 1209, manufactured by chemical company, yue chemical, supplier lake.
The second SIS block copolymer has a diblock content of 25wt% and an elongation of 1100%.
The second SIS block copolymer was purchased from 4213N manufactured by supplier Takeda rubber.
The third SIS block copolymer had a melt index of 11g/10min at 200 ℃ and a viscosity of 900 mPas in a 25wt% toluene solution at 25 ℃.
The third SIS block copolymer was purchased from YH 1106 produced by supplier lake south chemical Co., ltd.
The tackifying resin is rosin resin and petroleum resin.
The weight ratio of the rosin resin to the petroleum resin is 20.
The softening point of the rosin resin is 100-108 ℃, and the melt viscosity of the rosin resin is 1000-2000cp at 150 ℃.
The rosin resin was purchased from KA100L, a super tackifying resin, produced by Guangdong Ke Maolin products chemical Co.
The petroleum resin is aliphatic hydrogenated petroleum resin (C5 hydrogenated resin) and alicyclic hydrogenated resin (DCPD hydrogenated resin).
The weight ratio of the C5 hydrogenated resin to the DCPD hydrogenated resin is 3:5.
The softening point of the C5 hydrogenated resin is 95-104.9 ℃.
The C5 hydrogenated resin was purchased from H5-1001, manufactured by Henkel.
The softening point of the DCPD hydrogenated resin is 97-105 ℃, and the acid value is less than or equal to 0.5mgKOH/g.
The DCPD hydrogenated resin is purchased from Rayson Petroleum resins Co., ltd
The ultraviolet absorbent is benzotriazole ultraviolet absorbent.
The benzotriazole ultraviolet absorbent is an ultraviolet absorbent UV-326.
The UV absorber UV-326 was purchased from the supplier Tianjin Li Anlong New materials Ltd
UV-326。
The antioxidant comprises a main antioxidant and an auxiliary antioxidant.
The weight ratio of the main antioxidant to the auxiliary antioxidant is 1:1.
The primary antioxidant is antioxidant 1010.
The masterThe antioxidant is purchased from Tianjin Li Anlong New Material Co.Ltd
1010。
The auxiliary antioxidant is antioxidant 168.
The secondary antioxidant is purchased from Tianjin Li Anlong New Material Co.Ltd
168。
The invention provides a preparation method of the hot melt adhesive for medical protective clothing, which comprises the following steps: mixing tackifying resin, plasticizer, ultraviolet absorbent and antioxidant, heating to 150 ℃, stirring until the solution is uniform and transparent, adding block copolymer, continuously stirring until the solution is uniform and transparent, and cooling to 25 ℃ to obtain the final product.
Example 2
Embodiment 2 provides a hot melt adhesive for medical protective clothing, and the specific implementation manner is the same as that in embodiment 1, and the differences are that: 15 parts of plasticizer, 10 parts of block copolymer, 50 parts of tackifying resin, 0.05 part of ultraviolet absorbent and 0.2 part of antioxidant.
The weight ratio of the first SIS block copolymer, second SIS block copolymer, and third SI block copolymer S is 1.
The weight ratio of the rosin resin to the petroleum resin is 2:1.
the weight ratio of the C5 hydrogenated resin to the DCPD hydrogenated resin is 1:1.
the weight ratio of the main antioxidant to the auxiliary antioxidant is 1:2.
the invention provides a preparation method of the hot melt adhesive for medical protective clothing, which comprises the following steps: mixing tackifying resin, plasticizer, ultraviolet absorbent and antioxidant, heating to 130 ℃, stirring until the solution is uniform and transparent, adding block copolymer, continuously stirring until the solution is uniform and transparent, and cooling to 20 ℃ to obtain the high-performance polyurethane adhesive.
Example 3
Embodiment 3 provides a hot melt adhesive for medical protective clothing, and the specific implementation manner is the same as that in embodiment 1, and the differences are that: 30 parts of plasticizer, 20 parts of block copolymer, 70 parts of tackifying resin, 0.5 part of ultraviolet absorbent and 1 part of antioxidant.
The weight ratio of the first SIS block copolymer, the second SIS block copolymer, and the third SIS block copolymer is 2:1:2.
the weight ratio of the rosin resin to the petroleum resin is 3:1.
the weight ratio of the C5 hydrogenated resin to the DCPD hydrogenated resin is 1:2.
the weight ratio of the main antioxidant to the auxiliary antioxidant is 2:1.
the invention provides a preparation method of the hot melt adhesive for medical protective clothing, which comprises the following steps: mixing tackifying resin, plasticizer, ultraviolet absorbent and antioxidant, heating to 190 deg.C, stirring until the solution is uniform and transparent, adding block copolymer, stirring, cooling to 30 deg.C to obtain the final product.
Comparative example 1
The comparative example 1 provides a hot melt adhesive for medical protective clothing, and the specific implementation manner is the same as that of the example 1, and the differences are that: the weight ratio of the first SIS block copolymer, second SIS block copolymer, and third SIS block copolymer is 1.
Comparative example 2
Comparative example 2 provides a hot melt adhesive for medical protective clothing, and the specific implementation manner is the same as that in example 1, and the differences are that: the weight ratio of the rosin resin to the petroleum resin is 1:1.
Comparative example 3
Comparative example 3 provides a hot melt adhesive for medical protective clothing, and the specific implementation manner is the same as that in example 1, and the differences are that: the naphthenic oil has a kinematic viscosity of 8.08mm at 100 DEG C 2 /s。
The plasticizer was purchased from ZY-K2, manufactured by Shandong Helou lubricating science and technology Co.
Performance test method
And (3) testing environment: the temperature was 23 ℃ and the humidity was 50%.
1. Peeling force
The hot melt adhesives for medical protective clothing prepared in examples 1 to 3 and comparative examples 1 to 3 were tested for their peeling force at 180 ℃ from steel plates by FTM1-FINAT, and the peeling force after 20 minutes and after 24 hours were recorded, respectively, and the results are shown in Table 1.
2. Initial adhesion
The hot melt adhesives for medical protective clothing prepared in examples 1 to 3 and comparative examples 1 to 3 were tested for initial adhesion by the PSTC-6 method, and the diameter of the rolling ball was recorded and the results are shown in Table 1.
3. Resistance to water penetration
Respectively coating and attaching the medical protective clothing to the hot melt adhesive for the medical protective clothing prepared in the examples 1-3 and the comparative examples 1-3, wherein the coating weight is 30g/m 2 And after 24 hours at room temperature, testing the waterproof performance according to GB/T4744-2013, and recording the hydrostatic pressure value in the table 1, wherein the hydrostatic pressure value is qualified if the hydrostatic pressure value in the field is more than or equal to 1.67 kPa.
4. Viscosity measurement
The hot melt adhesives for medical protective clothing prepared in examples 1 to 3 and comparative examples 1 to 3 were tested for viscosity at 120 ℃, 140 ℃, 160 ℃ and 180 ℃ by the Brookfield viscosity method, and the results are shown in Table 1.
5. Softening point test
The hot melt adhesives for medical protective clothing prepared in examples 1 to 3 and comparative examples 1 to 3 were tested for their softening points by the ring and ball method, and the results are shown in Table 1.
6. High temperature resistance
Respectively coating and attaching the medical protective clothing to the hot melt adhesive for the medical protective clothing prepared in the examples 1-3 and the comparative examples 1-3, wherein the coating weight is 30g/m 2 After 24 hours at room temperature, the glass is placed at 80 ℃ for 24 hours, whether edge warping and glue opening occur or not is observed, if none of the edge warping and glue opening occur, the result is recorded as qualified, and the result is recorded in table 1.
TABLE 1
Claims (10)
1. The hot melt adhesive for medical protective clothing is characterized by comprising the following preparation raw materials in parts by weight: 15-30 parts of plasticizer, 10-20 parts of block copolymer, 50-70 parts of tackifying resin, 0.05-0.5 part of ultraviolet absorbent and 0.2-1 part of antioxidant.
2. The hot melt adhesive for medical protective clothing according to claim 1, wherein the plasticizer is one or more of white oil, liquid paraffin, phthalate, naphthenic oil and polyethylene glycol.
3. The hot melt adhesive for medical protective clothing according to claim 2, wherein the block copolymer is one or more of an SIS block copolymer, a styrene-butadiene-styrene block copolymer and a styrene-butadiene-3-chloropropene block copolymer.
4. The hot melt adhesive for medical protective clothing according to claim 3, wherein the structure of the SIS block copolymer is any one of linear and star-shaped.
5. The hot melt adhesive for medical protective clothing according to claim 4, wherein the SIS block copolymer comprises a first SIS block copolymer, a second SIS block copolymer and a third SIS block copolymer.
6. The hot melt adhesive for medical protective clothing according to claim 5, wherein the weight ratio of the first SIS block copolymer, the second SIS block copolymer and the third SIS block copolymer is (1-2): (1-2): (1-2).
7. The hot melt adhesive for medical protective clothing according to claim 4 or 5, wherein the styrene content in the first SIS block copolymer is 20-40wt%, and the Shore A hardness is 50-70.
8. The hot melt adhesive for medical protective clothing according to claim 7, wherein the content of the diblock in the second SIS block copolymer is 15-35wt%, and the elongation is 1000-1200%.
9. The hot melt adhesive for medical protective clothing according to claim 8, wherein the third SIS block copolymer has a melt index of 8 to 15g/10min at 200 ℃ and a viscosity of 100 to 500 mPas in a 25wt% toluene solution at 25 ℃.
10. A method for preparing a hot melt adhesive for medical protective clothing according to any one of claims 1 to 9, which comprises the following steps:
mixing tackifying resin, plasticizer, ultraviolet absorbent and antioxidant, heating to 130-190 deg.C, stirring until the solution is uniform and transparent, adding block copolymer, stirring, cooling to 20-30 deg.C to obtain the final product.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113249059A (en) * | 2021-06-30 | 2021-08-13 | 佛山南宝高盛高新材料有限公司 | End sealing hot melt adhesive without surface viscosity at 40 ℃ for sanitary materials and preparation method thereof |
| CN113278393A (en) * | 2021-04-02 | 2021-08-20 | 江门保实捷化工有限公司 | Heat-resistant PP hot melt adhesive and preparation method and application thereof |
| CN114262602A (en) * | 2021-12-31 | 2022-04-01 | 广东欣涛新材料科技股份有限公司 | Hot melt adhesive for high-temperature protective clothing and preparation method thereof |
| CN114381226A (en) * | 2021-12-28 | 2022-04-22 | 佛山南宝高盛高新材料有限公司 | Hot melt adhesive for decoration and pasting and preparation method thereof |
-
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278393A (en) * | 2021-04-02 | 2021-08-20 | 江门保实捷化工有限公司 | Heat-resistant PP hot melt adhesive and preparation method and application thereof |
| CN113249059A (en) * | 2021-06-30 | 2021-08-13 | 佛山南宝高盛高新材料有限公司 | End sealing hot melt adhesive without surface viscosity at 40 ℃ for sanitary materials and preparation method thereof |
| CN114381226A (en) * | 2021-12-28 | 2022-04-22 | 佛山南宝高盛高新材料有限公司 | Hot melt adhesive for decoration and pasting and preparation method thereof |
| CN114262602A (en) * | 2021-12-31 | 2022-04-01 | 广东欣涛新材料科技股份有限公司 | Hot melt adhesive for high-temperature protective clothing and preparation method thereof |
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