CN103571393A - Anti-ultraviolet hot melt adhesive for automobile interior parts - Google Patents

Abstract

The invention discloses anti-ultraviolet hot melt adhesive for automobile interior parts. The hot melt adhesive is prepared from the following raw materials in parts by weight: 0.9-1 part of an ultraviolet light absorber UV-531, 1-2 parts of a silane coupling agent KH550, 0.5-1 part of an antioxidant 1076, 1.5-3 parts of angelica oil, 10-15 parts of a composite filler, 30-35 parts of a Hyundai 8037 ethylene vinyl-acetate copolymer (EVA), 7-9 parts of rosin pentaerythritol ester, 7-9 parts of rosin resin, 1-2 parts of white factice, 3-5 parts of shellac, 5-6 parts of alkyl phenolic resin and 2-4 parts of cashew nut shell oil.

Description

A kind of uvioresistant automotive upholstery hot melt adhesive

Technical field

The invention belongs to binding agent field, relate in particular to a kind of uvioresistant automotive upholstery 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 uvioresistant automotive upholstery hot melt adhesive.

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

An automotive upholstery hot melt adhesive, is characterized in that, it is that raw material by following weight parts makes:

Ultraviolet absorbent UV-531 0.9-1, Silane coupling agent KH550 1-2, antioxidant 1076 0.5-1, Radix Angelicae Sinensis oil 1.5-3, compounded mix 10-15, Hyundai 8037EVA 30-35, pentalyn 7-9, Gum Rosin 7-9, white factice 1-2, shellac 3-5, alkyl phenolic resin 5-6, cashew nut shell oil 2-4;

Described compounded mix is made by the raw material of following weight parts: ground barium sulfate 22-28, oyster shell whiting 8-10, kaolin 6-12, paraffin oil 1-2, magnesium oxide powder 1-2, Radix Angelicae Sinensis oil 0.2-0.4, laureth sodium sulfovinate 0.4-0.6, Radix Angelicae Sinensis oil 0.1-0.2, Graphite Powder 99 1-2, Sumstar 190 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 compounded mix is: preparation method mixes ground barium sulfate, oyster shell whiting, kaolin, at 600-700 ℃, calcine 2-4 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, ground and mixed evenly and get final product again.

Described a kind of uvioresistant automotive upholstery hot melt adhesive, is characterized in that:

Preparation method is: kneader is preheated to wall temperature 170-180 ℃, then add Hyundai 8037EVA, Gum Rosin, antioxidant 1076, ultraviolet absorbent UV-531, mediate 6-10min, after add surplus stock, at 175-185 ℃, mediate 25-30min, take out cooling and get final product.

Beneficial effect of the present invention: can not produce bubble when the present invention compared with prior art has composite automobile inner decoratire part, strong adhesion, good weatherability, good anti-ultraviolet property, the advantage of digestion time and long service life.

Embodiment

An automotive upholstery hot melt adhesive, it is that raw material by following weight kg makes:

Ultraviolet absorbent UV-531 1, Silane coupling agent KH550 1, antioxidant 1076 1, Radix Angelicae Sinensis oil 3, compounded mix 15, Hyundai 8037EVA 35, pentalyn 9, Gum Rosin 9, white factice 2, shellac 5, alkyl phenolic resin 6, cashew nut shell oil 4;

Described compounded mix is made by the raw material of following weight kg: ground barium sulfate 28, oyster shell whiting 10, kaolin 12, paraffin oil 2, magnesium oxide powder 2, Radix Angelicae Sinensis oil 0.4, laureth sodium sulfovinate 0.6, Radix Angelicae Sinensis oil 0.2, Graphite Powder 99 2, Sumstar 190 1, alkylphenol polyoxyethylene 0.4, N-Methyl pyrrolidone 0.2, silane coupling agent DL171 0.8, aluminium nitride 0.4;

The preparation method of described compounded mix is: preparation method mixes ground barium sulfate, oyster shell whiting, kaolin, at 700 ℃, calcine 4 hours, then, take out, add in suitable quantity of water and grind in the lump with Graphite Powder 99, adding 10% hydrochloric acid soln tune PH is 6.5, after ground slurry to 800 order, repeated hydrogenation sodium hydroxide solution is adjusted to neutrality, dry, mix with surplus stock, ground and mixed evenly and get final product again.

Described a kind of uvioresistant automotive upholstery hot melt adhesive,

Preparation method is: kneader is preheated to 180 ℃ of wall temperatures, then adds Hyundai 8037EVA, Gum Rosin, antioxidant 1076, ultraviolet absorbent UV-531, mediates 6min, after add surplus stock, at 185 ℃, mediate 30min, take out cooling and get final product.

The apparent viscosity of the binding agent of the present embodiment is 5200MPa.s, stripping strength 55N/2.5cm ², initial bonding strength reaches steel ball No. 5, open hour 37s, and within 24 hours, thermally-stabilised proterties is stable.

Claims (2)

1. a uvioresistant automotive upholstery hot melt adhesive, is characterized in that, it is that raw material by following weight parts makes:

Ultraviolet absorbent UV-531 0.9-1, Silane coupling agent KH550 1-2, antioxidant 1076 0.5-1, Radix Angelicae Sinensis oil 1.5-3, compounded mix 10-15, Hyundai 8037EVA 30-35, pentalyn 7-9, Gum Rosin 7-9, white factice 1-2, shellac 3-5, alkyl phenolic resin 5-6, cashew nut shell oil 2-4;

Described compounded mix is made by the raw material of following weight parts: ground barium sulfate 22-28, oyster shell whiting 8-10, kaolin 6-12, paraffin oil 1-2, magnesium oxide powder 1-2, Radix Angelicae Sinensis oil 0.2-0.4, laureth sodium sulfovinate 0.4-0.6, Radix Angelicae Sinensis oil 0.1-0.2, Graphite Powder 99 1-2, Sumstar 190 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 compounded mix is: preparation method mixes ground barium sulfate, oyster shell whiting, kaolin, at 600-700 ℃, calcine 2-4 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, ground and mixed evenly and get final product again.

2. a kind of uvioresistant automotive upholstery hot melt adhesive according to claim 1, is characterized in that:

Preparation method is: kneader is preheated to wall temperature 170-180 ℃, then add Hyundai 8037EVA, Gum Rosin, antioxidant 1076, ultraviolet absorbent UV-531, mediate 6-10min, after add surplus stock, at 175-185 ℃, mediate 25-30min, take out cooling and get final product.