CN103571381A - Waterproof hot melt adhesive - Google Patents

Abstract

The invention discloses a waterproof hot melt adhesive, which is prepared from the following raw materials in parts by weight: 0.3-0.5 part of nano molybdenum trioxide, 0.1-0.2 part of nano stannous chloride, 2-4 parts of rosin, 5-8 parts of coumarone-indene resin, 1-2 parts of cetyl trimethyl ammonium bromide, 2-4 parts of angelica oil, 1-2 parts of 4,4'-diamino diphenyl sulfone, 60-70 parts of ethylene-vinyl-acetate (EVA), 1-2 parts of 2-butylated hydroxytoluene, 1-2 parts of trioctyl trimellitate and 1-2 parts of nano composite filler.

Description

A kind of waterproof hot melt

Technical field

The invention belongs to binding agent field, relate in particular to a kind of waterproof hot melt.

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.

In recent years, the application of the novel materials such as matrix material and plastics on automobile made automobile stick with glue agent and the also sustainable growth of seal gum consumption, and wherein automotive upholstery is the field that tackiness agent consumption increases rapidly.The demand of automotive upholstery hot melt adhesive is more and more.

Summary of the invention

The object of this invention is to provide a kind of waterproof hot melt.

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

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

Nanometer molybdic oxide 0.3-0.5, nanometer tindichloride 0.1-0.2, rosin 2-4, ancient marlon resin 5-8, cetyl trimethylammonium bromide 1-2, Radix Angelicae Sinensis oil 2-4,4,4 ' one diaminodiphenylsulfone(DDS) 1-2, EVA60-70,2-Butylated Hydroxytoluene 1-2, trioctyl trimellitate 1-2, nanocomposite filler 1-2;

Nanocomposite filler is made by the raw material of following weight parts: polynite 15-18, zeolite powder 3-5, diatomite 7-12, process white 1-2, adipic acid ester 1-2, Resorcinol 1-2, nanometer molybdic oxide 0.1-0.2, aerosil 0.1-0.2, epoxy soybean oil 0.5-0.8, department benzene-80 0.3-0.5, Silane coupling agent KH550 0.4-0.6;

The preparation method of described nanocomposite filler is:

(1) after polynite, zeolite powder, diatomite mix, then pour in the hydrogen peroxide solution that concentration is 15-18%, at 35-45 ℃, stir 15-20 minute, 500-600r/min centrifugal treating 7-12min, deionized water wash, oven dry, pulverize, cross 100-200 mesh sieve, obtain composite mineral powder;

(2) composite mineral powder and all the other raw materials and suitable quantity of water are mixed, adding 10-15% sodium hydroxide solution, to adjust PH be 8.5-9.5, and ground slurry is to 400-500 order, add again hydrochloric acid soln and be adjusted to neutrality, dry, then mix with surplus stock, after grinding to form nanometer powder and get final product.

Described a kind of waterproof hot melt, is characterized in that:

Preparation process is:

(1) EVA, trioctyl trimellitate, nanometer tindichloride are put into kneader and are mediated after 10-20 minute in 180-190 ℃, take out cooling mix standby;

(2) again by after step (1) gained material and all the other raw material blendings, in twin screw extruder, extrude for 175-188 ℃, cooling, obtain.

Beneficial effect of the present invention: gained hot melt adhesive of the present invention is ageing-resistant, resistance to chemical corrosion good, also has ventilative, water-proof function, constructability is practical, and applied range is particularly useful for automotive upholstery composite plastic and other materials.

Embodiment

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

Nanometer molybdic oxide 0.5, nanometer tindichloride 0.2, rosin 4, ancient marlon resin 5, cetyl trimethylammonium bromide 2, Radix Angelicae Sinensis oil 4,4,4 ' one diaminodiphenylsulfone(DDS) 1, EVA65,2-Butylated Hydroxytoluene 2, trioctyl trimellitate 1, nanocomposite filler 2;

Nanocomposite filler is made by the raw material of following weight parts: polynite 15, zeolite powder 5, diatomite 12, process white 2, adipic acid ester 2, Resorcinol 2, nanometer molybdic oxide 0.1, aerosil 0.2, epoxy soybean oil 0.8, department benzene-80 0.5, Silane coupling agent KH550 0.6;

The preparation method of described nanocomposite filler is:

(1) after polynite, zeolite powder, diatomite mix, then to pour concentration into be, in 18% hydrogen peroxide solution, to stir 20 minutes at 45 ℃, 600r/min centrifugal treating 12min, and deionized water wash, oven dry, pulverize, and crosses 200 mesh sieves, obtains composite mineral powder;

(2) composite mineral powder and all the other raw materials and suitable quantity of water are mixed, adding 15% sodium hydroxide solution, to adjust PH be 8.5, after ground slurry to 500 order, then adds hydrochloric acid soln and be adjusted to neutrality, dry, then mix with surplus stock, after grinding to form nanometer powder and get final product.

Described a kind of waterproof hot melt, preparation process is:

(1) EVA, trioctyl trimellitate, nanometer tindichloride are put into kneader and are mediated after 20 minutes in 190 ℃, take out cooling mix standby;

(2) again by after step (1) gained material and all the other raw material blendings, in twin screw extruder, extrude for 188 ℃, cooling, obtain.

The apparent viscosity of the binding agent of the present embodiment is 4900MPa.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 waterproof hot melt, is characterized in that, it is that raw material by following weight parts makes:

Nanometer molybdic oxide 0.3-0.5, nanometer tindichloride 0.1-0.2, rosin 2-4, ancient marlon resin 5-8, cetyl trimethylammonium bromide 1-2, Radix Angelicae Sinensis oil 2-4,4,4 ' one diaminodiphenylsulfone(DDS) 1-2, EVA60-70,2-Butylated Hydroxytoluene 1-2, trioctyl trimellitate 1-2, nanocomposite filler 1-2;

Nanocomposite filler is made by the raw material of following weight parts: polynite 15-18, zeolite powder 3-5, diatomite 7-12, process white 1-2, adipic acid ester 1-2, Resorcinol 1-2, nanometer molybdic oxide 0.1-0.2, aerosil 0.1-0.2, epoxy soybean oil 0.5-0.8, department benzene-80 0.3-0.5, Silane coupling agent KH550 0.4-0.6;

The preparation method of described nanocomposite filler is:

(1) after polynite, zeolite powder, diatomite mix, then pour in the hydrogen peroxide solution that concentration is 15-18%, at 35-45 ℃, stir 15-20 minute, 500-600r/min centrifugal treating 7-12min, deionized water wash, oven dry, pulverize, cross 100-200 mesh sieve, obtain composite mineral powder;

(2) composite mineral powder and all the other raw materials and suitable quantity of water are mixed, adding 10-15% sodium hydroxide solution, to adjust PH be 8.5-9.5, and ground slurry is to 400-500 order, add again hydrochloric acid soln and be adjusted to neutrality, dry, then mix with surplus stock, after grinding to form nanometer powder and get final product.

2. a kind of waterproof hot melt according to claim 1, is characterized in that:

Preparation process is:

(1) EVA, trioctyl trimellitate, nanometer tindichloride are put into kneader and are mediated after 10-20 minute in 180-190 ℃, take out cooling mix standby;

(2) again by after step (1) gained material and all the other raw material blendings, in twin screw extruder, extrude for 175-188 ℃, cooling, obtain.