CN103571396A - Environmental-friendly hot melt adhesive - Google Patents

Abstract

The invention discloses an environmental-friendly hot melt adhesive, which is composed of the following raw materials in parts by weight: 2-3 parts of dibutyltin dilaurate, 1-2 parts of ammonium polyphosphate, 1-2 parts of attapulgite, 3-5 parts of thermoplastic styrene-butadiene rubber, 2-4 parts of a stearic acid, 3-5 parts of acrylic rubber, 5-8 parts of paraffin, 1-2 parts of ferrocene, 2-4 parts of an antioxidant TBM-6, 1-2 parts of epoxidized cotton seed butyl oleate, 1.2-2.5 parts of isopropyl tri(dioctylpyrophosphato) titanate, 1-2 parts of triethyl citrate, 2-4 parts of hydroxyl silicone oil, 2.5-3.4 parts of composite packing, 35-45 parts of ethylene/vinyl acetate, and 25-28 parts of phenolic resin 2402.

Description

A kind of environment protection thermal melten gel

Technical field

The invention belongs to binding agent field, relate in particular to a kind of environment protection thermal melten gel.

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 environment protection thermal melten gel.

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

A melten gel, is characterized in that, it is that raw material by following weight parts makes:

Dibutyl tin laurate 2-3, ammonium polyphosphate 1-2, attapulgite 1-2, thermoplastic styrene butadiene rubber 3-5, stearic acid 2-4, acrylic elastomer 3-5, paraffin 5-8, ferrocene 1-2, oxidation inhibitor TBM-6 2-4, epoxy cotton seed oil acid butyl ester 1-2, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 1.2-2.5, triethyl citrate 1-2, hydroxy silicon oil 2-4, compounded mix 2.5-3.4, EVA 35-45, resol 2402 25-28;

Described compounded mix is made by the raw material of following weight parts: wilkinite 18-25, light calcium carbonate 12-13, zinc oxide 1-2, Radix Angelicae Sinensis oil 1.5-2.5, dioctyl sebacate 0.6-0.8, tritolyl phosphate 0.3-0.5, alcohol ether glucoside 1-2, silane coupling agent KH560 0.5-0.7, magnesium hydroxide 1-2, Trisodium Citrate 0.4-0.6, calcium stearate 0.2-0.4, methyl acrylate 0.1-0.2;

The preparation method of described compounded mix is: be that wilkinite, light calcium carbonate are mixed, 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 environment protection thermal melten gel, is characterized in that:

Preparation method is: kneader is preheated to wall temperature 165-175 ℃, then adds EVA, thermoplastic styrene butadiene rubber, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, triethyl citrate, mediates 10-20min, after

Add resol 2402, compounded mix, attapulgite, mediate 6-8 minute at 180-190 ℃, then add surplus stock, at 178-188 ℃, mediate 15-30min, take out cooling and get final product.

Beneficial effect of the present invention: preparation technology of the present invention is simple, environment friendly and pollution-free, excellent property, bond effect is remarkable, is particularly useful for automotive upholstery and uses, and is not detrimental to health.

Embodiment

A melten gel, it is that raw material by following weight kg makes:

Dibutyl tin laurate 2, ammonium polyphosphate 1, attapulgite 2, thermoplastic styrene butadiene rubber 5, stearic acid 4, acrylic elastomer 5, paraffin 8, ferrocene 1, oxidation inhibitor TBM-6 2, epoxy cotton seed oil acid butyl ester 1, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 1.5, triethyl citrate 1, hydroxy silicon oil 4, compounded mix 2.8, EVA 35, resol 2,402 25;

Described compounded mix is made by the raw material of following weight kg: wilkinite 25, light calcium carbonate 13, zinc oxide 2, Radix Angelicae Sinensis oil 2.5, dioctyl sebacate 0.8, tritolyl phosphate 0.5, alcohol ether glucoside 2, silane coupling agent KH560 0.7, magnesium hydroxide 1, Trisodium Citrate 0.6, calcium stearate 0.4, methyl acrylate 0.2;

The preparation method of described compounded mix is: be that wilkinite, light calcium carbonate are mixed, 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 5.8, 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 environment protection thermal melten gel, preparation method is: kneader is preheated to 175 ℃ of wall temperatures, then add EVA, thermoplastic styrene butadiene rubber, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, triethyl citrate, mediate 20min, after add resol 2402, compounded mix, attapulgite, mediate 8 minutes at 190 ℃, then add surplus stock, at 188 ℃, mediate 30min, take out cooling and get final product.

The apparent viscosity of the binding agent of the present embodiment is 5300MPa.s, stripping strength 57N/2.5cm ², initial bonding strength reaches steel ball No. 5, open hour 35s, and within 24 hours, thermally-stabilised proterties is stable.

Claims (2)

1. an environment protection thermal melten gel, is characterized in that, it is that raw material by following weight parts makes:

Dibutyl tin laurate 2-3, ammonium polyphosphate 1-2, attapulgite 1-2, thermoplastic styrene butadiene rubber 3-5, stearic acid 2-4, acrylic elastomer 3-5, paraffin 5-8, ferrocene 1-2, oxidation inhibitor TBM-6 2-4, epoxy cotton seed oil acid butyl ester 1-2, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 1.2-2.5, triethyl citrate 1-2, hydroxy silicon oil 2-4, compounded mix 2.5-3.4, EVA 35-45, resol 2402 25-28;

Described compounded mix is made by the raw material of following weight parts: wilkinite 18-25, light calcium carbonate 12-13, zinc oxide 1-2, Radix Angelicae Sinensis oil 1.5-2.5, dioctyl sebacate 0.6-0.8, tritolyl phosphate 0.3-0.5, alcohol ether glucoside 1-2, silane coupling agent KH560 0.5-0.7, magnesium hydroxide 1-2, Trisodium Citrate 0.4-0.6, calcium stearate 0.2-0.4, methyl acrylate 0.1-0.2;

The preparation method of described compounded mix is: be that wilkinite, light calcium carbonate are mixed, 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 environment protection thermal melten gel according to claim 1, is characterized in that:

Preparation method is: kneader is preheated to wall temperature 165-175 ℃, then adds EVA, thermoplastic styrene butadiene rubber, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, triethyl citrate, mediates 10-20min, after

Add resol 2402, compounded mix, attapulgite, mediate 6-8 minute at 180-190 ℃, then add surplus stock, at 178-188 ℃, mediate 15-30min, take out cooling and get final product.