CN103571378A - Super weather-proof nano composite hot melt adhesive - Google Patents

Abstract

The invention discloses a super weather-proof nano composite hot melt adhesive. The super weather-proof nano composite hot melt adhesive is prepared by the following raw materials in parts by weight: 2-3 parts of ultraviolet light absorbent UV-327, 5-7 parts of oxidized starch, 0.8-1.2 parts of stearic acid, 2-3 parts of chalk, 1-2 parts of diethylene glycol, 25-35 parts of EVA (ethylene-vinyl acetate) resin, 10-15 parts of C9 petroleum resin, 5-7 parts of PE (poly ethylene) wax, 1-2 parts of cresyl diphenyl phosphate, 2-4 parts of glycerol triacetate, and 3-5 parts of nano composite material. The super weather-proof nano composite hot melt adhesive has high weather fastness, and mechanical properties such as adhesive force and impact resistance as well as the chemical medium resistance such as hydrochloric acid resistance, boiling water resistance, and solvent resistance are improved by a certain degree.

Description

A kind of super weatherability nano composite hot melt adhesive

Technical field

The invention belongs to binding agent field, relate in particular to a kind of super weatherability nano composite hot melt adhesive.

Background technology

Hot melt adhesive is a kind of plastic tackiness agent, and in certain temperature range, its physical condition changes with temperature change, and chemical property is constant, and it is nonpoisonous and tasteless, belongs to environmental-protecting chemical product.

People's custom was regarded automotive upholstery as the annex of vehicle body in the past, this several years high speed developments along with Domestic Automotive Industry, automotive upholstery is in the development of advancing by leaps and bounds, become project with fastest developing speed in trolley part, the requirement of human consumer's to interior is more and more higher, making automotive upholstery is the field that appellation tackiness agent consumption increases rapidly, and the demand of automotive upholstery hot melt adhesive was more and more in recent years.

Summary of the invention

The object of this invention is to provide a kind of super weatherability nano composite hot melt adhesive.

The present invention adopts following technical scheme to achieve these goals:

A composite hot melt adhesive, it is that raw material by following weight parts makes:

UV light absorber UV-327 2-3, t 5-7, stearic acid 0.8-1.2, chalk 2-3, glycol ether 1-2, EVA resin 25-35, C9 petroleum resin 10-15, PE wax 5-7, phosphate toluene diphenyl ester 1-2, Vanay 2-4, nano combined material 3-5;

Nano combined material is made by the raw material of following weight parts: ground barium sulfate 22-28, sepiolite powder 8-10, kaolin 6-12, paraffin oil 1-2, Radix Angelicae Sinensis oil 1-2, dinoctyl phthalate 0.2-0.4, laureth sodium sulfovinate 0.4-0.6, dinoctyl phthalate 0.1-0.2, Graphite Powder 99 1-2, ethylene bis stearamide 1-2, alkylphenol polyoxyethylene 0.4-0.6, N-Methyl pyrrolidone 0.1-0.2, silane coupling agent DL171 0.6-0.8, aluminium nitride 0.2-0.4;

The preparation method of described nano combined material is: ground barium sulfate, sepiolite powder, kaolin are mixed, at 800-850 ℃, calcine 1-2 hour, then, take out, add in suitable quantity of water and grind in the lump with Graphite Powder 99, adding 10-15% hydrochloric acid soln tune PH is 5.5-6.5, ground slurry is to 700-800 order, and repeated hydrogenation sodium hydroxide solution is adjusted to neutrality, dry, mix with surplus stock again, grind to form nanometer powder and get final product.

Described a kind of super weatherability nano composite hot melt adhesive, is characterized in that:

Preparation method is: kneader is preheated to wall temperature 170-180 ℃, then adds stearic acid, EVA resin, glycol ether, phosphate toluene diphenyl ester, mediates 10-15min, after add surplus stock, at 175-185 ℃, mediate 15-20min, take out cooling and get final product.

Beneficial effect of the present invention: weather resistance of the present invention is high, the sticking power that simultaneously bonds, shock-resistance, etc. the chemical mediator-resitant properties such as mechanical property and salt tolerant acid, resistance to boiling water and resistance to solvent also have raising to a certain extent.

Embodiment

A composite hot melt adhesive, it is that raw material by following weight kg makes:

UV light absorber UV-327 3, t 7, stearic acid 1.2, chalk 3, glycol ether 1, EVA resin 35, C9 petroleum resin 15, PE wax 7, phosphate toluene diphenyl ester 2, Vanay 4, nano combined material 3;

Nano combined material is made by the raw material of following weight kg: ground barium sulfate 28, sepiolite powder 10, kaolin 12, paraffin oil 2, Radix Angelicae Sinensis oil 2, dinoctyl phthalate 0.4, laureth sodium sulfovinate 0.6, dinoctyl phthalate 0.2, Graphite Powder 99 2, ethylene bis stearamide 2, alkylphenol polyoxyethylene 0.4, N-Methyl pyrrolidone 0.1, silane coupling agent DL171 0.8, aluminium nitride 0.4;

The preparation method of described nano combined material is: ground barium sulfate, sepiolite powder, kaolin are mixed, at 850 ℃, calcine 2 hours, then, take out, add in suitable quantity of water and grind in the lump with Graphite Powder 99, adding 15% hydrochloric acid soln tune PH is 6.2, after ground slurry to 800 order, repeated hydrogenation sodium hydroxide solution is adjusted to neutrality, dry, mix with surplus stock again, grind to form nanometer powder and get final product.

Described a kind of super weatherability nano composite hot melt adhesive,

Preparation method is: kneader is preheated to 180 ℃ of wall temperatures, then adds stearic acid, EVA resin, glycol ether, phosphate toluene diphenyl ester, mediates 15min, after add surplus stock, at 185 ℃, mediate 18min, take out cooling and get final product.

The apparent viscosity of the binding agent of the present embodiment is 4700MPa.s, stripping strength 53N/2.5cm ², initial bonding strength reaches steel ball No. 5, open hour 39s, and within 24 hours, thermally-stabilised proterties is stable.

Claims (2)

1. a super weatherability nano composite hot melt adhesive, is characterized in that, it is that raw material by following weight parts makes:

UV light absorber UV-327 2-3, Sumstar 190 5-7, stearic acid 0.8-1.2, chalk 2-3, glycol ether 1-2, EVA resin 25-35, C9 petroleum resin 10-15, PE wax 5-7, phosphate toluene diphenyl ester 1-2, Vanay 2-4, nano combined material 3-5;

Nano combined material is made by the raw material of following weight parts: ground barium sulfate 22-28, sepiolite powder 8-10, kaolin 6-12, paraffin oil 1-2, Radix Angelicae Sinensis oil 1-2, dinoctyl phthalate 0.2-0.4, laureth sodium sulfovinate 0.4-0.6, dinoctyl phthalate 0.1-0.2, Graphite Powder 99 1-2, ethylene bis stearamide 1-2, alkylphenol polyoxyethylene 0.4-0.6, N-Methyl pyrrolidone 0.1-0.2, silane coupling agent DL171 0.6-0.8, aluminium nitride 0.2-0.4;

The preparation method of described nano combined material is: ground barium sulfate, sepiolite powder, kaolin are mixed, at 800-850 ℃, calcine 1-2 hour, then, take out, add in suitable quantity of water and grind in the lump with Graphite Powder 99, adding 10-15% hydrochloric acid soln tune PH is 5.5-6.5, ground slurry is to 700-800 order, and repeated hydrogenation sodium hydroxide solution is adjusted to neutrality, dry, mix with surplus stock again, grind to form nanometer powder and get final product.

2. a kind of super weatherability nano composite hot melt adhesive according to claim 1, is characterized in that:

Preparation method is: kneader is preheated to wall temperature 170-180 ℃, then adds stearic acid, EVA resin, glycol ether, phosphate toluene diphenyl ester, mediates 10-15min, after add surplus stock, at 175-185 ℃, mediate 15-20min, take out cooling and get final product.