CN114643177A - Flocking process of hunting bait - Google Patents
Flocking process of hunting bait Download PDFInfo
- Publication number
- CN114643177A CN114643177A CN202210261374.3A CN202210261374A CN114643177A CN 114643177 A CN114643177 A CN 114643177A CN 202210261374 A CN202210261374 A CN 202210261374A CN 114643177 A CN114643177 A CN 114643177A
- Authority
- CN
- China
- Prior art keywords
- flocking
- parts
- hunting
- baits
- isocyanate prepolymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000001070 adhesive effect Effects 0.000 claims abstract description 43
- 239000000853 adhesive Substances 0.000 claims abstract description 41
- 239000012948 isocyanate Substances 0.000 claims abstract description 30
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 30
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 16
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 16
- 238000000071 blow moulding Methods 0.000 claims abstract description 13
- 239000003292 glue Substances 0.000 claims abstract description 13
- 239000003960 organic solvent Substances 0.000 claims abstract description 13
- 229920003023 plastic Polymers 0.000 claims abstract description 11
- 239000004033 plastic Substances 0.000 claims abstract description 11
- 239000004014 plasticizer Substances 0.000 claims abstract description 10
- 239000012974 tin catalyst Substances 0.000 claims abstract description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 8
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 7
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 7
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 24
- 229920000570 polyether Polymers 0.000 claims description 24
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 18
- 238000002360 preparation method Methods 0.000 claims description 18
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 13
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 12
- 239000000539 dimer Substances 0.000 claims description 12
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000013638 trimer Substances 0.000 claims description 11
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 9
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 9
- ZBBLRPRYYSJUCZ-GRHBHMESSA-L (z)-but-2-enedioate;dibutyltin(2+) Chemical compound [O-]C(=O)\C=C/C([O-])=O.CCCC[Sn+2]CCCC ZBBLRPRYYSJUCZ-GRHBHMESSA-L 0.000 claims description 8
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 8
- 150000002009 diols Chemical class 0.000 claims description 8
- 239000003112 inhibitor Substances 0.000 claims description 7
- 238000006116 polymerization reaction Methods 0.000 claims description 7
- 229920005862 polyol Polymers 0.000 claims description 7
- 150000003077 polyols Chemical class 0.000 claims description 7
- VOWAEIGWURALJQ-UHFFFAOYSA-N Dicyclohexyl phthalate Chemical compound C=1C=CC=C(C(=O)OC2CCCCC2)C=1C(=O)OC1CCCCC1 VOWAEIGWURALJQ-UHFFFAOYSA-N 0.000 claims description 5
- 229920002292 Nylon 6 Polymers 0.000 claims description 5
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 4
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 claims description 4
- 238000013329 compounding Methods 0.000 claims description 3
- 229940043375 1,5-pentanediol Drugs 0.000 claims description 2
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 2
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 claims description 2
- 229910021626 Tin(II) chloride Inorganic materials 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- SBOSGIJGEHWBKV-UHFFFAOYSA-L dioctyltin(2+);dichloride Chemical compound CCCCCCCC[Sn](Cl)(Cl)CCCCCCCC SBOSGIJGEHWBKV-UHFFFAOYSA-L 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 235000011150 stannous chloride Nutrition 0.000 claims description 2
- AXZWODMDQAVCJE-UHFFFAOYSA-L tin(II) chloride (anhydrous) Chemical compound [Cl-].[Cl-].[Sn+2] AXZWODMDQAVCJE-UHFFFAOYSA-L 0.000 claims description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 11
- 238000007667 floating Methods 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 5
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical group ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- -1 (dodecyl sulfur methyl) o-cresol Chemical compound 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 229920006037 cross link polymer Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 244000144992 flock Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 1
- 241000272525 Anas platyrhynchos Species 0.000 description 1
- 241000272814 Anser sp. Species 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/16—Flocking otherwise than by spraying
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/24—Catalysts containing metal compounds of tin
- C08G18/244—Catalysts containing metal compounds of tin tin salts of carboxylic acids
- C08G18/246—Catalysts containing metal compounds of tin tin salts of carboxylic acids containing also tin-carbon bonds
-
- 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
- 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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to the technical field of flocking processes, and particularly discloses a flocking process for hunting baits, which comprises the following steps: step 1, blow molding: performing blow molding on the plastic master batch to obtain a billet body; step 2, gluing: coating flocking glue on the surface of a blank to form a bonding layer; step 3, flocking: flocking the blank treated in the step 2 in an electrostatic flocking manner, and then curing for 2-4h at 60-70 ℃ to finish flocking; the flocking adhesive adopted in the step 2 comprises the following components in parts by mass: 50-60 parts of isocyanate prepolymer, 35-45 parts of dihydric alcohol, 2-10 parts of polyacrylic acid-b-polymethyl methacrylate, 0.01-0.1 part of organic tin catalyst, 4-7 parts of plasticizer, 0.1-2 parts of antioxidant and 20-40 parts of organic solvent A. The hunting bait prepared by the flocking process of the hunting bait has the advantages of high flocking fastness and difficulty in falling of fluff.
Description
Technical Field
The invention relates to the field of flocking, in particular to a flocking process for hunting baits.
Background
The hunting baits, also called hunting baits, are artificial animals, and the common hunting baits include duck baits, goose baits, turkey baits, etc., and are installed in a hunting field environment to attract real animals to gather, thereby providing a hunting opportunity to hunters hidden nearby.
In the manufacturing process of the hunting bait, a blank is manufactured by blow molding of a plastic raw material, a blank surface is flocked to manufacture a rough feeling, and finally the blank is painted to show a color. The inventor believes that the bonding strength of the fluff is generally poor at present, and the problem that the fluff is easy to fall off in the using process of the hunting bait is easily caused.
Disclosure of Invention
In order to solve the problem that fluff is easy to fall off after flocking of the hunting bait, the application provides a flocking process of the hunting bait.
A flocking process for hunting baits comprises the following steps:
step 1, blow molding: performing blow molding on the plastic master batch to obtain a blank;
step 2, gluing: coating flocking glue on the surface of the blank to form a bonding layer;
step 3, flocking: flocking the blank treated in the step 2 in an electrostatic flocking manner, and then curing for 2-4h at 60-70 ℃ to finish flocking;
the flocking adhesive adopted in the step 2 comprises the following components in parts by mass:
50-60 parts of isocyanate prepolymer
35-45 parts of dihydric alcohol
2-10 parts of polyacrylic acid-b-polymethyl methacrylate
0.01-0.1 part of organic tin catalyst
4-7 parts of plasticizer
0.1 to 2 portions of antioxidant
And (3) 20-40 parts of organic solvent A.
The flocking adhesive which is composed of the isocyanate prepolymer, polyacrylic acid-b-polymethyl methacrylate, organic tin catalyst, plasticizer, antioxidant and organic solvent A as raw materials can generate better curing effect at lower temperature, under the catalysis of organic tin catalyst, isocyanate prepolymer reacts with dihydric alcohol to form cross-linked polymer, and the crosslinked polymer and polyacrylic acid-b-polymethyl methacrylate generate molecular chain physical entanglement to form a more stable network structure, the adhesive strength of the flocking adhesive is improved, the adhesive force between the flocking adhesive and the blank is greatly improved, and under the condition that the blank prepared in the step 1 does not need to be polished, the flocking adhesive can generate better adhesive force with the surface of the blank and the fluff, so the hunting bait prepared by the application has better flocking fastness and is not easy to fall off after being rubbed for many times.
Preferably, the addition amount of the polyacrylic acid-b-polymethyl methacrylate is 3-5 parts.
When the addition amount of the polyacrylic acid-b-polymethyl methacrylate is 3-5 parts, the improvement effect of the adhesive property of the flocking adhesive is very obvious, and the flocking fastness of the hunting bait is further improved.
Preferably, the isocyanate prepolymer is composed of the following components in percentage by mass:
20-30 parts of polyether glycol
45-55 parts of HDI dimer
IPDI tripolymer 10-20 parts polymerization inhibitor 1-4 parts
60-70 parts of an organic solvent B;
the polyether polyol is compounded by polyether diol and polyether triol according to the mass ratio of 1 (1-2).
Preferably, the preparation method of the isocyanate prepolymer is as follows: and (2) uniformly mixing polyether polyol and an organic solvent B, vacuumizing, keeping the temperature at 70-80 ℃, adding HDI dimer, IPDI trimer and a polymerization inhibitor, and reacting at 90-95 ℃ for 1-3h to obtain the isocyanate prepolymer.
Preferably, the dihydric alcohol is one or more of ethylene glycol, propylene glycol, 1, 4-butanediol and 1, 5-pentanediol. Further, the dihydric alcohol is ethylene glycol or propylene glycol.
Preferably, the polymerization inhibitor is benzoyl chloride, and the solvent is toluene.
The hunting bait is characterized in that the storage stability of the isocyanate prepolymer prepared from the polyether polyol, the HDI dimer, the IPDI trimer, the polymerization inhibitor and the organic solvent according to a certain proportion is good, the adhesion between the flocking glue prepared from the isocyanate and the components and the blank and the fluff is good, the performance of the flocking glue is stable, the hunting bait can be repeatedly used for a long time in a field environment, and the flocking glue is not easy to crack, so that the hunting bait is not easy to have a hair removal phenomenon after being repeatedly used.
Preferably, the organic tin catalyst is one or more of stannous octoate, dibutyltin maleate, dibutyltin dilaurate, anhydrous tin dichloride, stannous octoate and dioctyltin dichloride.
Preferably, the catalyst is prepared by compounding dibutyltin maleate and dibutyltin dilaurate according to the mass ratio of 1 (2-2.5).
By adding the dibutyltin maleate and the dibutyltin dilaurate in the mass ratio, the cured flocking adhesive has good bonding performance, can be better bonded on the surface of a blank, and further improves the flocking fastness of the hunting bait.
Preferably, the plasticizer consists of the following components in percentage by mass:
3-6 parts of dicyclohexyl phthalate
1-2 parts of N-ethyl o-p-toluenesulfonamide.
The bonding stability between the flocking adhesive and a blank body and between the flocking adhesive and fluff can be improved to a certain extent by adding the neopentyl glycol and the N-ethyl o-p-toluenesulfonamide, and the neopentyl glycol and the N-ethyl o-p-toluenesulfonamide have better stability and are not easy to migrate in the flocking adhesive.
Preferably, the plastic master batch is pp plastic, and the fluff is nylon 6 or nylon 66.
Preferably, the preparation method of the flocking adhesive comprises the following steps:
step A, dissolving polyacrylic acid-b-polymethyl methacrylate and isocyanate prepolymer with the rest organic solvent, and uniformly stirring to obtain a first mixture;
and step B, adding an organic tin catalyst, a plasticizer and an antioxidant into the first mixture, and uniformly stirring to obtain the flocking adhesive.
In summary, the present application has the following beneficial effects:
1. the flocking adhesive composed of the isocyanate prepolymer, the polyacrylic acid-b-polymethyl methacrylate, the organic tin catalyst, the plasticizer, the antioxidant and the organic solvent A can generate better adhesive force with the surface of the blank and villi under the condition that the blank prepared in the step 1 is not required to be polished, so that the hunting bait prepared by the application has better flocking fastness and is not easy to fall off after being rubbed for many times.
2. When the addition amount of the polyacrylic acid-b-polymethyl methacrylate is 3-5 parts, the adhesive property of the flocking adhesive is better, and the flocking fastness of the hunting bait is further improved.
3. The isocyanate prepolymer prepared from the polyether polyol, the HDI dimer, the IPDI trimer, the polymerization inhibitor and the organic solvent according to a certain proportion is good in storage stability, the flocking glue is stable in performance, and the hunting bait is not prone to hair removal after being used for multiple times.
4. By adding the dibutyltin maleate and the dibutyltin dilaurate in the mass ratio, the flocking adhesive can be better adhered to the surface of a blank, and the flocking fastness of the hunting bait is further improved.
5. The neopentyl glycol and the N-ethyl o-p-toluenesulfonamide are added as the plasticizer, so that the bonding stability between the flocking adhesive and the blank and between the neopentyl glycol and the N-ethyl o-p-toluenesulfonamide can be improved to a certain extent, and the neopentyl glycol and the N-ethyl o-p-toluenesulfonamide have good stability and are not easy to migrate in the flocking adhesive.
Detailed Description
Example 1
A flocking process for hunting baits comprises the following steps:
step 1, blow molding: performing blow molding on the PP plastic master batch to obtain a billet;
step 2, gluing: spraying flocking glue on the surface of the blank by using a pneumatic spray gun, wherein the average thickness of the glue layer is 0.5 cm;
step 3, flocking: and (2) selecting villi made of nylon 6 materials, placing the villi into an electrostatic flocking box, enabling the villi to be in a floating state under the action of an electrified net at the bottom of the electrostatic flocking box, placing the blank treated in the step (2) into a box body, enabling the villi to be uniformly adhered to the surface of the bait, curing for 4 hours at the temperature of 60 ℃, completing flocking, blowing by using a wind gun to remove the floating villi on the surface of the hunting bait, and finally performing paint spraying treatment to obtain the flocking bait.
In the preparation process of the flocking adhesive in the step 2, an isocyanate prepolymer is prepared, and the preparation process comprises the following steps:
10kg of polyether diol, 10kg of polyether triol and 60kg of toluene are uniformly mixed, the mixture is vacuumized, then the mixture is kept at 80 ℃, 45kg of HDI dimer, 55kg of IPDI trimer and 1kg of benzoyl chloride are added, and the mixture reacts for 1 hour at 95 ℃ to prepare the isocyanate prepolymer.
Then preparing flocking adhesive, wherein the preparation method of the flocking adhesive comprises the following steps:
step A, dissolving 2kg of polyacrylic acid-b-polymethyl methacrylate, 50kg of isocyanate prepolymer and 20kg of dichloromethane, stirring at the speed of 150r/min for 15min, and uniformly stirring to obtain a first mixture;
and step B, adding 0.5kg of dibutyltin dilaurate, 5kg of dicyclohexyl phthalate, 35kg of ethylene glycol, 1kg of N-ethyl o-p-toluenesulfonamide and 0.1kg of 4, 6-bis (dodecyl sulfur methyl) o-cresol into the first mixture, stirring for 10min at 100r/min, and uniformly stirring to obtain the flocking adhesive.
Example 2
A flocking process for hunting baits comprises the following steps:
step 1, blow molding: performing blow molding on the PP plastic master batch to obtain a billet;
step 2, gluing: spraying flocking glue on the surface of the blank by using a pneumatic spray gun, wherein the average thickness of the glue layer is 0.5 cm;
step 3, flocking: and (2) selecting villi made of nylon 6 materials, placing the villi into an electrostatic flocking box, enabling the villi to be in a floating state under the action of an electrified net at the bottom of the electrostatic flocking box, placing the blank treated in the step (2) into a box body, enabling the villi to be uniformly adhered to the surface of the bait, curing for 4 hours at the temperature of 60 ℃, completing flocking, blowing by using a wind gun to remove the floating villi on the surface of the hunting bait, and finally performing paint spraying treatment to obtain the flocking bait.
In the preparation process of the flocking adhesive in the step 2, an isocyanate prepolymer is prepared, and the preparation process comprises the following steps:
10kg of polyether diol, 20kg of polyether triol and 70kg of toluene were mixed uniformly, evacuated, then maintained at 70 ℃, 55kg of HDI dimer, 20kg of IPDI trimer and 4kg of benzoyl chloride were added, and reacted at 90 ℃ for 3 hours to obtain an isocyanate prepolymer.
Then preparing flocking adhesive, wherein the preparation method of the flocking adhesive comprises the following steps:
step A, dissolving 10kg of polyacrylic acid-b-polymethyl methacrylate, 60kg of isocyanate prepolymer and 40kg of dichloromethane, stirring at the speed of 150r/min for 15min, and uniformly stirring to obtain a first mixture;
and step B, adding 0.004kg of dibutyltin maleate, 0.008kg of dibutyltin dilaurate, 45kg of propylene glycol, 3kg of dicyclohexyl phthalate, 2kg of N-ethyl o-p-toluenesulfonamide and 2kg of 4, 6-di (dodecyl sulfur methyl) o-cresol into the first mixture, stirring for 10min at the speed of 100r/min, and uniformly stirring to obtain the flocking adhesive.
Example 3
A flocking process for hunting baits comprises the following steps:
step 1, blow molding: performing blow molding on the PP plastic master batch to obtain a billet;
step 2, gluing: spraying flocking glue on the surface of the blank by using a pneumatic spray gun, wherein the average thickness of the glue layer is 0.5 cm;
step 3, flocking: and (2) selecting villi made of nylon 6 materials, placing the villi into an electrostatic flocking box, enabling the villi to be in a floating state under the action of an electrified net at the bottom of the electrostatic flocking box, placing the blank treated in the step (2) into a box body, enabling the villi to be uniformly adhered to the surface of the bait, curing for 4 hours at the temperature of 60 ℃, completing flocking, blowing by using a wind gun to remove the floating villi on the surface of the hunting bait, and finally performing paint spraying treatment to obtain the flocking bait.
In the preparation process of the flocking adhesive in the step 2, an isocyanate prepolymer is prepared, and the preparation process comprises the following steps:
10kg of polyether triol, 15kg of polyether diol and 65kg of toluene were mixed uniformly, evacuated, then kept at 70 ℃, 50kg of HDI dimer, 15kg of IPDI trimer and 3kg of benzoyl chloride were added, and reacted at 90 ℃ for 3 hours to obtain an isocyanate prepolymer.
Then preparing flocking adhesive, wherein the preparation method of the flocking adhesive comprises the following steps:
step A, dissolving 5kg of polyacrylic acid-b-polymethyl methacrylate, 55kg of isocyanate prepolymer and 30kg of dichloromethane, stirring at the speed of 150r/min for 15min, and uniformly stirring to obtain a first mixture;
and step B, adding 0.01kg of dibutyltin maleate, 0.03kg of dibutyltin dilaurate, 40kg of propylene glycol, 4kg of dicyclohexyl phthalate, 1.5kg of N-ethyl o-p-toluenesulfonamide and 1kg of 4, 6-di (dodecyl sulfur methyl) o-cresol into the first mixture, stirring for 10min at the speed of 100r/min, and uniformly stirring to obtain the flocking adhesive.
Comparative example 1
The difference from example 3 is that: and (3) in the preparation process of the flocking adhesive in the step 2, replacing polyacrylic acid-b-polymethyl methacrylate with dichloromethane in an equivalent manner.
Comparative example 2
The difference from example 3 is that: in the preparation process of the isocyanate prepolymer, the amount of HDI dimer is 40kg, and the amount of IPDI trimer is 30 kg.
Comparative example 3
The difference from example 3 is that: in the preparation process of the isocyanate prepolymer, the dosage of the polyether diol is 5kg, and the dosage of the polyether triol is 20 kg.
Experiment 1
The flock fastness test was carried out on hunting baits prepared in the above examples and comparative examples, and the test method was as follows: the flocking surface is firstly scratched by a hundred-grid knife, then is bonded and torn by a 3M adhesive tape, flocking fastness is judged according to the ratio of the shedding area of fluff, and the evaluation standard is shown in a table 1.
TABLE 1
| Area of fluff shedding | Flocking fastness grade |
| <2％ | 1 |
| 2-5％ | 2 |
| 5-10％ | 3 |
| 10-20％ | 4 |
| 20-30％ | 5 |
| 30-40％ | 6 |
| 40-50％ | 7 |
| >50％ | 8 |
The results of the flock fastness test are detailed in table 2.
TABLE 2
| Flocking fastness grade | |
| Example 1 | 2 |
| Example 2 | 2 |
| Example 3 | 1 |
| Comparative example 1 | 4 |
| Comparative example 2 | 6 |
| Comparative example 3 | 5 |
Compared with the comparative example 1 in table 2, in the embodiment 3, polyacrylic acid-b-polymethyl methacrylate is added in various steps during the preparation of the adhesive, so that the bonding capability of the adhesive can be effectively improved, the bonding capability of the surface of the villus blank is greatly improved, and the flocking fastness of the hunting bait is obviously improved.
The above comparative examples 2 to 3 were compared with example 3 in that the amounts of the respective components for preparing the isocyanate prepolymer were different, and the amounts of the HDI dimer and IPDI trimer in comparative example 2 were out of the range required in the present application, and the amounts of the polyether diol and polyether triol in comparative example 3 were out of the range required in the present application, but the flocking fastness of the hunting bait prepared in comparative examples 2 to 3 was significantly lower than that of example 3, which shows that the previous compounding relationship of the HDI dimer, IPDI trimer, polyether diol and polyether triol was very critical in the preparation of the main base material isocyanate for the adhesive.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. A flocking process for hunting baits is characterized in that: the method comprises the following steps:
step 1, blow molding: performing blow molding on the plastic master batch to obtain a billet body;
step 2, gluing: coating flocking glue on the surface of the blank to form a bonding layer;
step 3, flocking: flocking the blank treated in the step 2 in an electrostatic flocking manner, and then curing for 2-4h at 60-70 ℃ to finish flocking;
the flocking adhesive adopted in the step 2 comprises the following components in parts by mass:
50-60 parts of isocyanate prepolymer
35-45 parts of dihydric alcohol
2-10 parts of polyacrylic acid-b-polymethyl methacrylate
0.01-0.1 part of organic tin catalyst
4-7 parts of plasticizer
0.1 to 2 portions of antioxidant
20-40 parts of organic solvent A.
2. The flocking process for hunting baits according to claim 1, wherein: the isocyanate prepolymer comprises the following components in percentage by mass:
20-30 parts of polyether polyol
45-55 parts of HDI dimer
IPDI trimer 10-20 parts
1-4 parts of polymerization inhibitor
60-70 parts of an organic solvent B;
the polyether polyol is prepared by compounding polyether diol and polyether triol according to a mass ratio of 1 (1-2).
3. The flocking process for hunting baits according to claim 2, wherein: the preparation method of the isocyanate prepolymer comprises the following steps: and (2) uniformly mixing polyether polyol and an organic solvent B, vacuumizing, keeping the temperature at 70-80 ℃, adding HDI dimer, IPDI trimer and a polymerization inhibitor, and reacting at 90-95 ℃ for 1-3h to obtain the isocyanate prepolymer.
4. The flocking process for hunting baits according to claim 1, wherein: the dihydric alcohol is one or a combination of more of ethylene glycol, propylene glycol, 1, 4-butanediol and 1, 5-pentanediol.
5. The hunting bait flocking process according to claim 4, wherein: the dihydric alcohol is ethylene glycol or propylene glycol.
6. The flocking process for hunting baits according to claim 1, wherein: the organic tin catalyst is one or a combination of stannous octoate, dibutyltin maleate, dibutyltin dilaurate, anhydrous tin dichloride, stannous octoate and dioctyltin dichloride.
7. The flocking process for hunting baits according to claim 6, wherein: the catalyst is compounded by dibutyltin maleate and dibutyltin dilaurate according to the mass ratio of 1 (2-2.5).
8. The flocking process for hunting baits according to claim 1, wherein: the plasticizer comprises the following components in percentage by mass:
3-6 parts of dicyclohexyl phthalate
1-2 parts of N-ethyl o-p-toluenesulfonamide.
9. The flocking process for hunting baits according to claim 1, wherein: the plastic master batch is pp plastic, and the fluff is nylon 6 or nylon 66.
10. The flocking process for hunting baits according to claim 1, wherein: the preparation method of the flocking adhesive comprises the following steps:
step A, dissolving polyacrylic acid-b-polymethyl methacrylate and isocyanate prepolymer with the rest organic solvent, and uniformly stirring to obtain a first mixture;
and step B, adding an organic tin catalyst, a plasticizer and an antioxidant into the first mixture, and uniformly stirring to obtain the flocking adhesive.
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| CN202210261374.3A CN114643177A (en) | 2022-03-17 | 2022-03-17 | Flocking process of hunting bait |
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|---|---|---|---|
| CN202210261374.3A CN114643177A (en) | 2022-03-17 | 2022-03-17 | Flocking process of hunting bait |
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Application publication date: 20220621 |