CN105273669A - Hot melt adhesive for acrylic hot-fix rhinestone and preparation method thereof - Google Patents
Hot melt adhesive for acrylic hot-fix rhinestone and preparation method thereof Download PDFInfo
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Abstract
The invention provides a hot melt adhesive for an acrylic hot-fix rhinestone. The hot melt adhesive comprises the following components by weight: 10 to 15 parts of EVA resin with the VA content of 28% and the MI of 150 g/10min, 0 to 35 parts of EVA resin with the VA content of 28% and the MI of 6 g/10min, 4 to 12 parts of thermoplastic polyurethane with Shore D hardness of 70, 30 to 40 parts of styrene modified C5 petroleum resin, 10 to 20 parts of polyethylene wax, 2 to 6 parts of EBA3427AC and 1 to 2 parts of an antioxidant 1010. The hot melt adhesive for the acrylic hot-fix rhinestone provided by the invention has a hot-press temperature of 115 to 120 DEG C, is not prone to scalding the acrylic hot-fix rhinestone and fabrics, and has peeling strength of no less than 4.0kN/m , thereby having high bonding strength at the same time; meanwhile, the hot melt adhesive has the advantage of good adhesive force with a variety of fabrics and acrylic hot-fix rhinestones, and is an ideal hot melt adhesive for the acrylic hot-fix rhinestone.
Description
Technical field
The invention belongs to hot melt adhesive and preparation method thereof, belong to acrylic rhinestone hot melt adhesive and preparation method thereof especially.
Background technology
Acrylic rhinestone hot melt adhesive is the hot melt adhesive being coated on acrylic rhinestone back after a kind of heating and melting, Ya Like rhinestone after gum lines up pattern as required, by diamond ironing machine pressing on clothes, rhinestone hot melt adhesive plays the effect of bonding rhinestone and garment material, is also applicable to the various materials of case and bag footwear.This hot melt adhesive requires the softening temperature of applicable rhinestone, higher stripping strength, and wash durability.
Such as, CN102703006A discloses a kind of hot melt adhesive, be specifically related to that a kind of bounding force is strong, rate of drying is fast, consumption is little, Heat stability is good, anti-aging, antiacid alkali, nuisanceless and hot melt adhesive that can adapt to High-Speed Automatic production line balance packing instructions and preparation method thereof; Be made up of following raw materials by weight portion: ethylene-vinyl acetate copolymer 25 parts-33 parts, husky rope synthetic wax 18 parts-22 parts, tackifying resin 45 parts-55 parts, 3 parts-5 parts, softening agent, antioxidant 1010 0.3 part-1.5 parts; Have that bounding force is strong, rate of drying is fast, consumption is little, Heat stability is good, anti-aging, antiacid alkali, nuisanceless and the advantage of High-Speed Automatic production line balance packing instructions can be adapted to.But when this hot melt adhesive above-mentioned is used for rhinestone product, it is on the low side that it shears stripping strength, and tensile strength is inadequate, easily peels off, cannot meet the requirement of rhinestone product.
At present for hot melt adhesive mainly polyamide hot and the EVA resin hot melt adhesive of rhinestone, polyamide hot pressing temperature is high, very easily scorches acrylic rhinestone, and operation easier is large, and bond strength is difficult to reach requirement.
Summary of the invention
The present invention object be to provide a kind of acrylic rhinestone hot melt adhesive and preparation method thereof.The pressing temperature of described acrylic rhinestone hot melt adhesive is 115-120 DEG C, not easily scorch acrylic and bore and fabric, and stripping strength is greater than 4.0kN/m, has higher cohesive strength; Having the advantage all with various fabric and acrylic rhinestone with better bounding force, is a kind of desirable acrylic rhinestone hot melt adhesive.
The technical scheme that the present invention realizes foregoing invention object is:
A kind of acrylic rhinestone hot melt adhesive, the component containing following weight part:
A kind of preferred acrylic rhinestone hot melt adhesive, the component containing following weight part:
The preparation method of described acrylic hot melt adhesive is melting mixing, adopt electrically heated ribbon stirring-type hot melt adhesive reactor, the polyethylene wax of described weight part is joined reactor, be heated to 150 ~ 160 DEG C, melt stirring 30 ~ 40 minutes, after melting completely, add the EVA resin of described weight part, thermoplastic polyurethane, EBA3427AC, antioxidant 1010, under logical nitrogen protection, control temperature is at 170 ~ 180 DEG C, melting in reactor, be uniformly mixed, phenylethene modified C5 petroleum resin are added after 2 hours, stop heating, reactor waste heat is utilized to melt phenylethene modified C5 petroleum resin, anti-oxidation, mix and blend 1 ~ 2 hour, vacuum drawn bubble.
For better applying acrylic hot melt adhesive of the present invention, also comprising and extruding slivering operation, cooling and dicing work operation.Described extrudes slivering operation: slivering equipment is by strainer, and hot melt adhesive pump, trace pipe road, distribution head, thermal oil tracing system forms.The hot melt adhesive of melting mixing operation, through metre filter, enters the shaping of distributor tie rod by trace pipe road and enters subsequent processing.Described cooling and dicing work operation: this operation completes at revolution steel band type cooling granulation machine.Revolution steel band type cooling granulation machine; heat is melted state hot melt adhesive to be distributed on by the machine distributor on the steel band of at the uniform velocity movement; continuous formation strip; continuous spray, refrigerating unit is provided with below steel band; the material on steel band is forced to be cooled rapidly in moving process, solidify; pelletizing, thus the object reaching granulation.
The present invention adopts using EVA resin as material of main part, EVA resin is compared with polyethylene, owing to molecular chain having induced one VAM thus reduce degree of crystallinity, improve snappiness, shock-resistance, filler absorption and heat sealability, product has good flexibility, impact strength, environmental stress crack resistance and good optical property, low temperature resistant and nontoxic characteristic in wide temperature range.Vinyl acetate content, at the EVA of 20-28%, is mainly used in hotmelt and coated products.EVA resin and tackifying resin and wax is used in combination can be made into hotmelt, it has excellent withered relay.The present invention adopt MI to be two kinds of differences of 6g/10min and 150g/10min EVA resin of melting value with the use of, the melt viscosity of adjustment hot melt adhesive, facilitates gluing; And hot melt adhesive is used in rhinestone there is wider rhinestone temperature range.
The present invention compared with prior art, add in EVA hot-melt adhesive system your D hardness that continues be the thermoplastic polyurethane (TPU) of 70 as the Hardening agent of rhinestone hot melt adhesive, greatly improve the cohesive strength of this hot melt adhesive.The good characteristics such as TPU product has that durometer level is wide, physical strength is high, winter hardiness is outstanding, good processability, oil resistant, water-fast, resistance to mould are emerging high-tech ep-type materials.TPU crosses over the peculiar property of rubber and plastics because of it, has therefore had the flexibility of rubber and the rigidity of plastics concurrently.The hardness of TPU between 60A-70D, the present invention selected continue your D hardness 70 TPU, a small amount of interpolation just can increase substantially the hardness of hot melt adhesive system, is that simple EVA resin is beyond one's reach hardness, thus greatly improves the stripping strength of this hot melt adhesive.
Hot melt adhesive of the present invention adds EBA3427AC as toughner, and EBA is the multipolymer of ethene and butyl acrylate, and containing the butyl acrylate of 27%, BA monomer distribution is even, material is pliable and tough, fusing point is high, thermostability high and low temperature shock resistance is good; And polarity is high, there is good compatibility performance with various polymkeric substance.Adding EBA toughness reinforcing is a kind of toughness reinforcing solution of low cost, and the addition of 5% can make hot melt adhesive stripping strength improve 30%, and the melting viscosity of modified hot melt adhesive can not increase, and coating performance is good.
The present invention compared with prior art, Hardening agent thermoplastic polyurethane and toughner ethene and butyl acrylate EBA3427AC is added in EVA hot-melt adhesive system, improve hardness and the toughness of hot melt adhesive, thus substantially increase the cohesive strength of hot melt adhesive, hot melt adhesive can be made the cohesive strength of acrylic and woven dacron material, stripping strength reaches more than 4.0kN/m, 60% is improved than general hot melt adhesive, it is a kind of hot melt adhesive of high-peeling strength, meet the use needs of acrylic rhinestone, also may be used for the Application Areas of various high bond strength.It is high that this hot melt adhesive has softening temperature, and bounding force is strong, and melt viscosity is little, is conveniently coated with construction, the feature that pressing temperature range is wider.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail.
EVA resin (VA content is 28%MI:150g/10min) is commercially available Mitsui product, and model is EVA220W
EVA resin (VA content is 28%MI:6g/10min) is commercially available Mitsui product, and model is EVA260
Thermoplastic polyurethane (your the D hardness that continues is 70) is produced by Wenzhou Hua Feng hot melt adhesive company limited, and product type is HF-1070D
Phenylethene modified C5 petroleum resin are produced by Fushun Qi Long Chemical Co., Ltd., and product type is H-2095A
Polyethylene wax is commercially available Thailand SCG Products, and product type is 0100f
EBA3427AC is commercially available du pont company product
Antioxidant 1010 is produced by Nanjing Ding Shan chemical company
Rhinestone hot melt adhesive of the present invention detects according to following standard: the mensuration (ring and ball method) of GB/T15332-1994 thermosol softening temperature; GB/T2790-1995 tackiness agent 180 ° of peeling strength test methods (flexible material is to rigid material), flexible material material selection commonly uses fabric woven dacron, and rigid material adopts the thick acrylic board of 5mm.In embodiment, each weight part is 1kg.
Embodiment 1: the composition and method of making the same that the invention provides rhinestone hot melt adhesive
The polyethylene wax of 14 weight parts is joined ribbon stirring-type hot melt adhesive reactor, be heated to 160 DEG C, after thawing completely, (VA content is 28% to add the EVA resin of 11 weight parts, MI:150g/10min), (VA content is 28% to the EVA resin of 22 weight parts, MI:6g/10min), the antioxidant 1010 of 1 weight part, the thermoplastic polyurethane of 8 weight parts, the ethylene-butyl acrylate copolymer EBA3427AC of 4 weight parts, under logical nitrogen protection, control temperature is at 180 DEG C, after stirring 2 hours, add the phenylethene modified C5 petroleum resin of 40 weight parts, control temperature is at 160 DEG C, after stirring 1 hour, vacuumize, enter tie rod, cooling, pelletizing operation, obtain rhinestone hot melt adhesive S1.
Embodiment 2: the composition and method of making the same that the invention provides rhinestone hot melt adhesive
The polyethylene wax of 20 weight parts is joined ribbon stirring-type hot melt adhesive reactor, be heated to 160 DEG C, after thawing completely, (VA content is 28% to add the EVA resin of 15 weight parts, MI:150g/10min), (VA content is 28% to the EVA resin of 30 weight parts, MI:6g/10min), the antioxidant 1010 of 1 weight part, the thermoplastic polyurethane of 8 weight parts, the ethylene-butyl acrylate copolymer EBA3427AC of 2 weight parts, under logical nitrogen protection, control temperature is at 180 DEG C, after stirring 2 hours, add the phenylethene modified C5 petroleum resin of 40 weight parts, control temperature is at 160 DEG C, after stirring 1 hour, vacuumize, enter tie rod, cooling, pelletizing operation, obtain rhinestone hot melt adhesive S2.
Embodiment 3: the composition and method of making the same that the invention provides rhinestone hot melt adhesive
The polyethylene wax of 10 weight parts is joined ribbon stirring-type hot melt adhesive reactor, be heated to 160 DEG C, after thawing completely, (VA content is 28% to add the EVA resin of 11 weight parts, MI:150g/10min), (VA content is 28% to the EVA resin of 26 weight parts, MI:6g/10min), the antioxidant 1010 of 1 weight part, the thermoplastic polyurethane of 4 weight parts, the ethylene-butyl acrylate copolymer EBA3427AC of 4 weight parts, under logical nitrogen protection, control temperature is at 180 DEG C, after stirring 2 hours, add the phenylethene modified C5 petroleum resin of 40 weight parts, control temperature is at 160 DEG C, after stirring 1 hour, vacuumize, enter tie rod, cooling, pelletizing operation, obtain rhinestone hot melt adhesive S3.
Embodiment 4: the composition and method of making the same that the invention provides rhinestone hot melt adhesive
The phenylethene modified C5 petroleum resin of 40 weight parts are joined ribbon stirring-type hot melt adhesive reactor, be heated to 160 DEG C, after thawing completely, (VA content is 28% to add the EVA resin of 11 weight parts, MI:150g/10min), (VA content is 28% to the EVA resin of 22 weight parts, MI:6g/10min), the antioxidant 1010 of 1 weight part, the thermoplastic polyurethane of 8 weight parts, the ethylene-butyl acrylate copolymer EBA3427AC of 4 weight parts, under logical nitrogen protection, control temperature is at 180 DEG C, after stirring 2 hours, add the polyethylene wax of 14 weight parts, control temperature is at 160 DEG C, after stirring 1 hour, vacuumize, enter tie rod, cooling, pelletizing operation, obtain rhinestone hot melt adhesive S4.
Comparative example 1: a kind of hot melt adhesive component thing and preparation method thereof
The polyethylene wax of 20 weight parts is joined ribbon stirring-type hot melt adhesive reactor; be heated to 160 DEG C; after thawing completely; (VA content is 28% to add the EVA resin of 35 weight parts; MI:150g/10min); the antioxidant 1010 of 1 weight part; under logical nitrogen protection, control temperature at 180 DEG C, after stirring 2 hours; add the phenylethene modified C5 petroleum resin of 44 weight parts; control temperature, at 160 DEG C, after stirring 1 hour, vacuumizes; enter tie rod, cooling, pelletizing operation, obtain the D1 of hot melt adhesive.
Comparative example 2: a kind of hot melt adhesive component thing and preparation method thereof
The polyethylene wax of 14 weight parts is joined ribbon stirring-type hot melt adhesive reactor, be heated to 160 DEG C, after thawing completely, (VA content is 28% to add the EVA resin of 11 weight parts, MI:150g/10min), (VA content is 28% to the EVA resin of 22 weight parts, MI:6g/10min), the antioxidant 1010 of 1 weight part, the thermoplastic polyurethane of 8 weight parts, the ethylene-butyl acrylate copolymer EBA3427AC of 4 weight parts, under logical nitrogen protection, control temperature is at 180 DEG C, after stirring 2 hours, add the C5 petroleum resin of 40 weight parts, control temperature is at 160 DEG C, after stirring 1 hour, vacuumize, enter tie rod, cooling, pelletizing operation, obtain rhinestone hot melt adhesive D2.
Comparative example 3: a kind of hot melt adhesive component thing and preparation method thereof
The polyethylene wax of 14 weight parts is joined ribbon stirring-type hot melt adhesive reactor, be heated to 160 DEG C, after thawing completely, (VA content is 28% to add the EVA resin of 11 weight parts, MI:150g/10min), (VA content is 28% to the EVA resin of 22 weight parts, MI:6g/10min), the antioxidant 1010 of 1 weight part, the thermoplastic polyurethane of 8 weight parts, the ethylene-butyl acrylate copolymer EBA3427AC of 4 weight parts, under logical nitrogen protection, control temperature is at 180 DEG C, after stirring 2 hours, add the pentalyn of 40 weight parts, control temperature is at 160 DEG C, after stirring 1 hour, vacuumize, enter tie rod, cooling, pelletizing operation, obtain rhinestone hot melt adhesive D3.
Comparative example 4: a kind of hot melt adhesive component thing and preparation method thereof
The polyethylene wax of 14 weight parts is joined ribbon stirring-type hot melt adhesive reactor, be heated to 160 DEG C, after thawing completely, (VA content is 28% to add the EVA resin of 11 weight parts, MI:150g/10min), the ethene of 22 weight parts and acrylic copolymer EAA3440 resin, the antioxidant 1010 of 1 weight part, the thermoplastic polyurethane of 8 weight parts, the ethylene-butyl acrylate copolymer EBA3427AC of 4 weight parts, under logical nitrogen protection, control temperature is at 180 DEG C, after stirring 2 hours, add the phenylethene modified C5 petroleum resin of 40 weight parts, control temperature is at 160 DEG C, after stirring 1 hour, vacuumize, enter tie rod, cooling, pelletizing operation, obtain rhinestone hot melt adhesive D4.
Comparative example 5: a kind of hot melt adhesive
The rhinestone hot melt adhesive that Rui'an City Five continents hot melt adhesive company limited produces, model is F-1650.
Detect embodiment
Detect according to following standard: the mensuration (ring and ball method) of GB/T15332-1994 thermosol softening temperature; GB/T2790-1995 tackiness agent 180 ° of peeling strength test methods (flexible material is to rigid material), result is as shown in table 1.
Table 1 above-described embodiment and comparative example hot melt adhesive stripping strength and softening temperature detected result
Table 1 test result detects at 23 ± 1 DEG C in envrionment temperature, detect according to the mensuration (ring and ball method) of GB/T15332-1994 thermosol softening temperature and the detection method of GB/T2790-1995 tackiness agent 180 ° of peeling strength test methods (flexible material is to rigid material), flexible material material selection commonly uses fabric woven dacron, and rigid material adopts the thick acrylic board of 5mm.
As can be seen from Table 1, the hot melt adhesive S1-S4 stripping strength that embodiment of the present invention 1-4 obtains is all at more than 4.14kN/m, and softening temperature, all between 115 DEG C and 120 DEG C, meets the technical requirements of rhinestone hot melt adhesive; And the hot melt adhesive D1-D4 of comparative example 1-4 gained is all lower than 3.41kN/m, the requirement of rhinestone hot melt adhesive can not be met.Therefore hot melt adhesive provided by the invention has larger stripping strength, has good bond effect, is a kind of excellent rhinestone hot melt adhesive.
Embodiment 1 is the present invention's preferred acrylic rhinestone hot melt adhesive S1, and its stripping strength is 4.23kN/m, is greater than the rhinestone hot melt adhesive F-1650 be commercially available in comparative example 5, and softening temperature is lower than rhinestone hot melt adhesive F-1650, and rhinestone temperature is low, not easily scorches acrylic and bores.And rhinestone hot melt adhesive S1 stripping strength is also greater than hot melt adhesive S2-S4.
Embodiment 1 is compared with embodiment 4, and hot melt adhesive S1 stripping strength prepared by embodiment 1 is greater than hot melt adhesive S4 prepared by embodiment 4, and therefore the preferred preparation technology of the present invention can improve the cohesive strength of hot melt adhesive.
Claims (3)
1. an acrylic rhinestone hot melt adhesive, the component containing following weight part:
2. acrylic rhinestone hot melt adhesive as claimed in claim 1, is characterized in that: the component containing following weight part:
3. the preparation method of acrylic rhinestone hot melt adhesive as claimed in claim 1 or 2, comprises the steps: 1) adopt electrically heated ribbon stirring-type hot melt adhesive reactor, polyethylene wax is joined reactor, is heated to 150 ~ 160 DEG C, stir melting; 2) stir after 30 ~ 40 minutes, treat to melt completely, add EVA resin, thermoplastic polyurethane, EBA3427AC, antioxidant 1010; under logical nitrogen protection; control temperature is at 170 ~ 180 DEG C, and melting in reactor, is uniformly mixed: 3) after 2 hours; add phenylethene modified C5 petroleum resin; stop heating, utilize reactor waste heat to melt phenylethene modified C5 petroleum resin, anti-oxidation; mix and blend 1 ~ 2 hour, vacuum drawn bubble and get final product.
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| WO2018113455A1 (en) * | 2016-12-19 | 2018-06-28 | Sabic Global Technologies B.V. | Multi-layer film |
| CN110330901A (en) * | 2019-07-15 | 2019-10-15 | 黄山市信德成胶业有限公司 | A kind of EVA hot-melt adhesive that adhesion strength is high |
| CN112175535A (en) * | 2019-07-01 | 2021-01-05 | 上海夏荷印刷器材有限公司 | Hot-press bonding packaging paper piece, preparation method and application method thereof |
| CN112680150A (en) * | 2020-12-23 | 2021-04-20 | 浦江县凯帝服装饰品有限公司 | Acrylic hot-fix method for hot-fix adhesive |
| US11993059B2 (en) | 2016-12-19 | 2024-05-28 | Sabic Global Technologies B.V. | Multi-layer film |
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| CN112680150A (en) * | 2020-12-23 | 2021-04-20 | 浦江县凯帝服装饰品有限公司 | Acrylic hot-fix method for hot-fix adhesive |
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