CN103571373A - Ageing-resistant hot melt adhesive - Google Patents

Abstract

The invention discloses an ageing-resistant hot melt adhesive. The ageing-resistant hot melt adhesive is prepared from the following raw materials in parts by weight: 8-10 parts of polyvinyl chloride, 1-2 parts of calcium stearate, 1-2 parts of silane coupling agent KH 570, 3-5 parts of chlorinated paraffin, 1-2 parts of calcium carbonate, 2-4 parts of chlorosulfonated polyethylene rubber CSM 2305, 10-15 parts of C5 petroleum resin, 8-10 parts of C9 petroleum resin, 0.2-0.4 parts of zinc phosphate, 0.5-0.7 parts of polyether-ether-ketone, 1-2 parts of diethylenetriamine, 2-4 parts of epoxy octyl stearate, 2-3 parts of alkyl resorcinol formaldehyde resin, 2-3 parts of maleic anhydride, 2-4 parts of dicumyl peroxide, 64-72 parts of Dupont 560 (Ethylene-Vinyl Acetate) and 2-4 parts of composite filler.

Description

A kind of ageing-resistant hot melt adhesive

Technical field

The invention belongs to binding agent field, relate in particular to a kind of ageing-resistant 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 ageing-resistant hot melt adhesive.

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

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

Polyvinyl chloride 8-10, calcium stearate 1-2, silane coupling agent KH570 1-2, clorafin 3-5, calcium carbonate 1-2, chlorosulfonated polyethylene rubber CSM2305 2-4, C5 petroleum resin 10-15; C9 petroleum resin 8-10; zinc phosphate 0.2-0.4, polyether-ether-ketone 0.5-0.7, diethylenetriamine 1-2, octyl epoxy stearate 2-4, alkyl resorcinol formaldehyde resin 2-3; MALEIC ANHYDRIDE 2-3, dicumyl peroxide 2-4; the 560EVA 64-72 of Du Pont, compounded mix 2-4;

Described compounded mix is made by the raw material of following weight parts: Sumstar 190 8-18, wilkinite 15-22; coconut husk 2-4, epoxy oleum lini 1.5-2.5, tetraethoxy 0.3-0.6, Radix Angelicae Sinensis oil 0.3-0.5, red mud 1-2, Trisodium Citrate 0.4-0.6, alcohol ether glucoside 1-2, silane coupling agent KH560 0.5-0.7, aluminum stearate 0.1-0.2, methyl acrylate 0.1-0.2;

The preparation method of described compounded mix is: preparation method mixes wilkinite, coconut husk, at 900-950 ℃, calcine 1-2 hour, then, take out, add in suitable quantity of water and grind in the lump with Sumstar 190, 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 ageing-resistant hot melt adhesive, is characterized in that:

Preparation method is: kneader is preheated to wall temperature 165-175 ℃, then add 560 EVA of Du Pont, C5 petroleum resin, dicumyl peroxide, octyl epoxy stearate, mediate 10-20min, after add surplus stock, at 178-188 ℃, mediate 15-30min, take out cooling and get final product.

Beneficial effect of the present invention: hot melt adhesive stability of the present invention is high, after using, tack time is long, and stability in storage is high, and ageing-resistant performance is good, and the life-span is long.

Embodiment

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

Polyvinyl chloride 8, calcium stearate 1, silane coupling agent KH570 1, clorafin 5, calcium carbonate 2, chlorosulfonated polyethylene rubber CSM2305 2, C5 petroleum resin 15; C9 petroleum resin 10; zinc phosphate 0.4, polyether-ether-ketone 0.5, diethylenetriamine 1, octyl epoxy stearate 2, alkyl resorcinol formaldehyde resin 2; MALEIC ANHYDRIDE 2, dicumyl peroxide 2; the 560EVA of Du Pont 65, compounded mix 4;

Described compounded mix is made by the raw material of following weight kg: Sumstar 190 15, wilkinite 20; coconut husk 4, epoxy oleum lini 2.5, tetraethoxy 0.6, Radix Angelicae Sinensis oil 0.3, red mud 1, Trisodium Citrate 0.4, alcohol ether glucoside 2, silane coupling agent KH560 0.5, aluminum stearate 0.2, methyl acrylate 0.1;

The preparation method of described compounded mix is: preparation method mixes wilkinite, coconut husk, at 950 ℃, calcine 2 hours, then, take out, add in suitable quantity of water and grind in the lump with Sumstar 190, adding 15% 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 ageing-resistant hot melt adhesive,

Preparation method is: kneader is preheated to 175 ℃ of wall temperatures, then adds 560 EVA of Du Pont, C5 petroleum resin, dicumyl peroxide, octyl epoxy stearate, mediates 20min, after add surplus stock, at 178 ℃, 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 40s, and within 24 hours, thermally-stabilised proterties is stable.

Claims (2)

1. an ageing-resistant hot melt adhesive, is characterized in that, it is that raw material by following weight parts makes:

Polyvinyl chloride 8-10, calcium stearate 1-2, silane coupling agent KH570 1-2, clorafin 3-5, calcium carbonate 1-2, chlorosulfonated polyethylene rubber CSM2305 2-4, C5 petroleum resin 10-15; C9 petroleum resin 8-10; zinc phosphate 0.2-0.4, polyether-ether-ketone 0.5-0.7, diethylenetriamine 1-2, octyl epoxy stearate 2-4, alkyl resorcinol formaldehyde resin 2-3; MALEIC ANHYDRIDE 2-3, dicumyl peroxide 2-4; the 560EVA 64-72 of Du Pont, compounded mix 2-4;

Described compounded mix is made by the raw material of following weight parts: Sumstar 190 8-18, wilkinite 15-22; coconut husk 2-4, epoxy oleum lini 1.5-2.5, tetraethoxy 0.3-0.6, Radix Angelicae Sinensis oil 0.3-0.5, red mud 1-2, Trisodium Citrate 0.4-0.6, alcohol ether glucoside 1-2, silane coupling agent KH560 0.5-0.7, aluminum stearate 0.1-0.2, methyl acrylate 0.1-0.2;

The preparation method of described compounded mix is: preparation method mixes wilkinite, coconut husk, at 900-950 ℃, calcine 1-2 hour, then, take out, add in suitable quantity of water and grind in the lump with Sumstar 190, 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 ageing-resistant hot melt adhesive according to claim 1, is characterized in that:

Preparation method is: kneader is preheated to wall temperature 165-175 ℃, then add 560 EVA of Du Pont, C5 petroleum resin, dicumyl peroxide, octyl epoxy stearate, mediate 10-20min, after add surplus stock, at 178-188 ℃, mediate 15-30min, take out cooling and get final product.