CN103571387A - Special hot melt adhesive for automotive upholstery - Google Patents

Abstract

The invention discloses a special hot melt adhesive for automotive upholstery, which is prepared from the following raw materials in parts by weight: 14-16 parts of PE (Polyethylene) wax, 14-16 parts of polyester resin of which the softening point is higher than 90 degrees, 16-18 parts of phenolic resin 2402, 2-4 parts of chlorinated polyethylene, 1-2 parts of calcium carbonate, 15-17 parts of HDPE (high-density polyethylene), 1-2 parts of LLDPE (Linear low density polyethylene), 2-4 parts of vinyl trimethoxy silane, 33-34 parts of EVA (Ethylene-Vinyl Acetate), 0.3-0.5 parts of antioxygen T5010, 0.1-0.3 parts of dioctyl sebacate, 1-2 parts of stearic acid and 5-7 parts of composite filler.

Description

A kind of automotive upholstery hot melt adhesive special

Technical field

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

Background technology

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 automotive upholstery hot melt adhesive special.

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

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

PE wax 14-16, softening temperature are vibrin 14-16, resol 2402 16-18 more than 90 degree, chlorinatedpolyethylene 2-4, calcium carbonate 1-2, HDPE 15-17, LLDPE 1-2, vinyltrimethoxy silane 2-4, EVA 33-34, oxidation inhibitor T501 0.3-0.5, dioctyl sebacate 0.1-0.3, stearic acid 1-2, compounded mix 5-7;

Compounded mix is made by the raw material of following weight parts: ceramics powder 9-12, calcium carbonate 8-10, attapulgite 8-12, paraffin oil 1-2, magnesium oxide powder 1-2, MALEIC ANHYDRIDE 0.3-0.5, nano-carbon powder 1-2, Graphite Powder 99 1-2, bamboo carbon powder 1-2, Radix Angelicae Sinensis oil 0.4-0.6, N-Methyl pyrrolidone 1-2, Silane coupling agent KH550 0.4-0.6, epoxy cotton seed oil acid butyl ester 1.4-1.8;

The preparation method of described compounded mix is: preparation method calcines 4-5 hour by ceramics powder, talcum powder, attapulgite at 600-650 ℃, then, take out, add in suitable quantity of water and grind in the lump with magnesium oxide powder, Graphite Powder 99, adding 10-15% sodium hydroxide solution tune PH is 8.5-9.3, and ground slurry is to 600-800 order, add again hydrochloric acid soln and be adjusted to neutrality, dry, then mix with surplus stock, ground and mixed evenly and get final product.

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

Preparation process is:

(1) chlorinatedpolyethylene, calcium carbonate being put into blender mixes standby;

(2) all the other raw materials being put into blender mixes;

(3) kneader is preheated to wall temperature 198-210 ℃;

(4) after, all raw materials are put into kneader and mediated 30-50min, take out coolingly, obtain.

Beneficial effect of the present invention: utilize the preparation of raw material of the present invention and method and the hot melt adhesive that obtains possesses and has good persistence and water resistance, and the automotive upholsteries such as matrix material and polyethylene are all possessed to good adhesiveproperties.

Embodiment

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

PE wax 15, softening temperature are vibrin 15, resol 2,402 18 more than 90 degree, chlorinatedpolyethylene 4, calcium carbonate 1, HDPE 15, and LLDPE 1, vinyltrimethoxy silane 2, EVA 33, oxidation inhibitor T501 0.5, dioctyl sebacate 0.1, stearic acid 2, compounded mix 5;

Compounded mix is made by the raw material of following weight kg: ceramics powder 12, calcium carbonate 10, attapulgite 12, paraffin oil 1, magnesium oxide powder 1, MALEIC ANHYDRIDE 0.3, nano-carbon powder 1, Graphite Powder 99 2, bamboo carbon powder 1, Radix Angelicae Sinensis oil 0.4, N-Methyl pyrrolidone 2, Silane coupling agent KH550 0.4, epoxy cotton seed oil acid butyl ester 1.5;

The preparation method of described compounded mix is: preparation method calcines ceramics powder, talcum powder, attapulgite 5 hours at 650 ℃, then, take out, add in suitable quantity of water and grind in the lump with magnesium oxide powder, Graphite Powder 99, adding 15% sodium hydroxide solution tune PH is 8.5, after ground slurry to 800 order, add again hydrochloric acid soln and be adjusted to neutrality, dry, then mix with surplus stock, ground and mixed evenly and get final product.

Described a kind of automotive upholstery hot melt adhesive special, preparation process is:

(1) chlorinatedpolyethylene, calcium carbonate being put into blender mixes standby;

(2) all the other raw materials being put into blender mixes;

(3) kneader is preheated to 210 ℃ of wall temperatures;

(4) after, all raw materials are put into kneader and mediated 50min, take out coolingly, obtain.

The apparent viscosity of the binding agent of the present embodiment is 4600MPa.s, stripping strength 55N/2.5cm ², initial bonding strength reaches steel ball No. 5, open hour 38s, and within 24 hours, thermally-stabilised proterties is stable.

Claims (2)

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

PE wax 14-16, softening temperature are vibrin 14-16, resol 2402 16-18 more than 90 degree, chlorinatedpolyethylene 2-4, calcium carbonate 1-2, HDPE 15-17, LLDPE 1-2, vinyltrimethoxy silane 2-4, EVA 33-34, oxidation inhibitor T501 0.3-0.5, dioctyl sebacate 0.1-0.3, stearic acid 1-2, compounded mix 5-7;

Compounded mix is made by the raw material of following weight parts: ceramics powder 9-12, calcium carbonate 8-10, attapulgite 8-12, paraffin oil 1-2, magnesium oxide powder 1-2, MALEIC ANHYDRIDE 0.3-0.5, nano-carbon powder 1-2, Graphite Powder 99 1-2, bamboo carbon powder 1-2, Radix Angelicae Sinensis oil 0.4-0.6, N-Methyl pyrrolidone 1-2, Silane coupling agent KH550 0.4-0.6, epoxy cotton seed oil acid butyl ester 1.4-1.8;

The preparation method of described compounded mix is: preparation method calcines 4-5 hour by ceramics powder, talcum powder, attapulgite at 600-650 ℃, then, take out, add in suitable quantity of water and grind in the lump with magnesium oxide powder, Graphite Powder 99, adding 10-15% sodium hydroxide solution tune PH is 8.5-9.3, and ground slurry is to 600-800 order, add again hydrochloric acid soln and be adjusted to neutrality, dry, then mix with surplus stock, ground and mixed evenly and get final product.

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

Preparation process is:

(1) chlorinatedpolyethylene, calcium carbonate being put into blender mixes standby;

(2) all the other raw materials being put into blender mixes;

(3) kneader is preheated to wall temperature 198-210 ℃;

(4) after, all raw materials are put into kneader and mediated 30-50min, take out coolingly, obtain.