CN105017997A - Double-sided waterproof wood adhesive - Google Patents

Abstract

The invention discloses a double-sided waterproof wood adhesive. The double-sided waterproof wood adhesive comprises, by weight, 0.3-1 part of sodium dimercaptosulfonate, 4-7 parts of ash calcium powder, 2-3 parts of benzyl butyl phthalate, 2-3 parts of nylon acid methyl ester, 1-2 parts of diacetone acryloamide, 0.7-1 part of naphthenic soap, 10-13 parts of graphite fluoride, 2-3 parts of bis-texanol, 8-10 parts of C9 petroleum resin, 0.01-0.02 parts of lanthanum citrate, 0.3-1 part of isothiazolinone, 50-60 parts of ethylene-ethyl acrylate copolymer, 10-20 parts of high density polyethylene and 5-6 parts of a bio-adhesive. The bio-adhesive adopts elm bark powder as a structural reinforcing agent, and cooperates with high viscosity polyacrylamide to make formed gel have the characteristics of fibers and have certain toughness, so the viscosity of the above obtained finished product is improved, and the toughness of the finished product is also improved.

Description

A kind of double-faced waterproofing timber glue

Technical field

The present invention relates generally to glue field, particularly relates to a kind of double-faced waterproofing timber glue.

Background technology

The kind of current wood adhesive is a lot, artificial liner enterprise mainly uses Precondensed UreaFormaldehyde Resin, the adhesive producing fiberboards such as resol, glued board, the sheet materials such as shaving board, have plenty of at original aqueous polyvinyl acetate emulsion, ACRYLIC EMULSION, on the basis of polyurethane adhesive etc., develop soy based wood adhesives successively, starch-base timber adhesive, other farm crop sill material sticks, the glue kinds such as modified isocyanate tackiness agent, although there is certain cohesiveness, but still there is a lot of shortcomings, some weathering resistancies are poor, resistance to boiling water is not strong, freeze proof, the property such as antiacid is bad, colloid can be made to go bad, thus lose bond effect.

Summary of the invention

The object of the invention is just to provide a kind of double-faced waterproofing timber glue.

The present invention is achieved by the following technical solutions:

A kind of double-faced waterproofing timber glue, is characterized in that what it was made up of the raw material of following weight parts:

Two mercapto propanesulfonate 0.3-1, sierozem power 4-7, butyl benzyl phthalate 2-3, nylon acid methyl esters 2-3, diacetone-acryloamide(DAA) 1-2, naphthenic soap 0.7-1, fluorographite 10-13, two Lauryl Alcohol ester 2-3, C9 petroleum resin 8-10, citric acid lanthanum 0.01-0.02, isothiazolinone 0.3-1, ethylene-ethyl acrylate copolymer 50-60, high density polyethylene(HDPE) 10-20, biological binding agent 5-6;

Described biological binding agent is made up of the raw material of following weight parts:

S-WAT 0.4-0.5, structure toughener 4-5, acetate starch 10-11, propylene glycol phenylate 4-5, polyacrylamide 4-6, Tiorco 677 0.7-2, alkyl glycoside 1-2, water soluble phenol resin 1-3, water 180-200;

Joined by polyacrylamide in 6-10 times of water, be mixed with solution, add water soluble phenol resin, adjustment PH is 6-8, adds structure toughener, S-WAT, stirs, and obtains liquid a; By acetate starch, the mixing of propylene glycol phenylate, join the 80-90% of residue water weight, be uniformly mixed 10-14 minute at 60-70 DEG C, obtain liquid b; The mixing of each raw material will be remained, stir, obtain liquid c; Mixed with liquid b by liquid a, 300-350 rev/min of dispersed with stirring 6-10 minute, adds liquid c, stir be placed on 80-85 DEG C water-bath in thermostatically heating 10-12 hour, obtain described biological binding agent;

The sodium hydroxide solution putting into 30-40% after Cortex ulmi pumilae abrasive dust is soaked 2-3 hour by the preparation method of described structure toughener, takes out and dries.

The preparation method of described double-faced waterproofing timber glue, is characterized in that comprising the following steps:

By sierozem power, fluorographite, the mixing of two Lauryl Alcohol ester, stir, add high density polyethylene(HDPE), at 100-105 DEG C, stir preheating 10-15 minute, add butyl benzyl phthalate, be stirred to normal temperature;

Get the 20-25% of above-mentioned ethylene-ethyl acrylate copolymer weight, add C9 petroleum resin, after stirring, add nylon acid methyl esters, naphthenic soap, at 70-80 DEG C, be uniformly mixed 5-10 minute;

By each raw material mixing after above-mentioned process, add each raw material of residue, send into high-speed mixer, mixing evenly after send into mill mixing, abundant post-tensioning to be mixed goes out glued membrane cooling, tacky film is laid between wood single-plate, pressing conditions: pressure 1-2Mpa, temperature 100-170 DEG C, time 2-10min.

Advantage of the present invention is:

Biological binding agent of the present invention adopts Cortex ulmi pumilae powder as structure toughener, coordinates full-bodied polyacrylamide, makes the gel formed have the feature of fiber, makes gel have certain toughness, while raising finished product viscosity, turn improves the toughness of finished product;

Timber glue of the present invention can realize firmly boning lastingly with basal plane, and excellent physical properties, has good high-low temperature resistant and tensile property, to basal plane deformation and cracking strong adaptability, and watertightness, air-tightness, water-fast, acid and alkali-resistance, resistant of high or low temperature are strong.

Embodiment

Embodiment 1

A kind of double-faced waterproofing timber glue, it is made up of the raw material of following weight parts:

Two mercapto propanesulfonates 0.3, sierozem power 4, butyl benzyl phthalate 2, nylon acid methyl esters 2, diacetone-acryloamide(DAA) 1, naphthenic soap 1, fluorographite 10, two Lauryl Alcohol ester 2, C9 petroleum resin 8, citric acid lanthanum 0.01, isothiazolinone 1, ethylene-ethyl acrylate copolymer 50, high density polyethylene(HDPE) 20, biological binding agent 6;

Described biological binding agent is made up of the raw material of following weight parts:

S-WAT 0.4, structure toughener 4, acetate starch 11, propylene glycol phenylate 5, polyacrylamide 4, Tiorco 677 0.7, alkyl glycoside 2, water soluble phenol resin 2, water 200;

Polyacrylamide is joined in 6 times of water, be mixed with solution, add water soluble phenol resin, regulate PH to be 8, add structure toughener, S-WAT, stir, obtain liquid a; By acetate starch, the mixing of propylene glycol phenylate, be uniformly mixed 14 minutes at joining 80%, 70 DEG C of residue water weight, obtain liquid b; The mixing of each raw material will be remained, stir, obtain liquid c; Mixed with liquid b by liquid a, 300 revs/min of dispersed with stirring 10 minutes, add liquid c, stir be placed on 85 DEG C water-bath in thermostatically heating 10 hours, obtain described biological binding agent;

The sodium hydroxide solution putting into 30% after Cortex ulmi pumilae abrasive dust soaks 3 hours by the preparation method of described structure toughener, takes out and dries.

The preparation method of described double-faced waterproofing timber glue, comprises the following steps:

By sierozem power, fluorographite, the mixing of two Lauryl Alcohol ester, stir, add high density polyethylene(HDPE), at 105 DEG C, stir preheating 15 minutes, add butyl benzyl phthalate, be stirred to normal temperature;

Get 25% of above-mentioned ethylene-ethyl acrylate copolymer weight, add C9 petroleum resin, after stirring, add nylon acid methyl esters, naphthenic soap, at 80 DEG C, be uniformly mixed 10 minutes;

By each raw material mixing after above-mentioned process, add each raw material of residue, send into high-speed mixer, mixing evenly after send into mill mixing, abundant post-tensioning to be mixed goes out glued membrane cooling, tacky film is laid between wood single-plate, pressing conditions: pressure 2Mpa, temperature 170 DEG C, time 8min.

The pressing plate test result of above-described embodiment, bonding strength is greater than 0.80Mpa, meets national standard.

Claims (2)

1. a double-faced waterproofing timber glue, is characterized in that what it was made up of the raw material of following weight parts:

Two mercapto propanesulfonate 0.3-1, sierozem power 4-7, butyl benzyl phthalate 2-3, nylon acid methyl esters 2-3, diacetone-acryloamide(DAA) 1-2, naphthenic soap 0.7-1, fluorographite 10-13, two Lauryl Alcohol ester 2-3, C9 petroleum resin 8-10, citric acid lanthanum 0.01-0.02, isothiazolinone 0.3-1, ethylene-ethyl acrylate copolymer 50-60, high density polyethylene(HDPE) 10-20, biological binding agent 5-6;

Described biological binding agent is made up of the raw material of following weight parts:

S-WAT 0.4-0.5, structure toughener 4-5, acetate starch 10-11, propylene glycol phenylate 4-5, polyacrylamide 4-6, Tiorco 677 0.7-2, alkyl glycoside 1-2, water soluble phenol resin 1-3, water 180-200;

Joined by polyacrylamide in 6-10 times of water, be mixed with solution, add water soluble phenol resin, adjustment PH is 6-8, adds structure toughener, S-WAT, stirs, and obtains liquid a; By acetate starch, the mixing of propylene glycol phenylate, join the 80-90% of residue water weight, be uniformly mixed 10-14 minute at 60-70 DEG C, obtain liquid b; The mixing of each raw material will be remained, stir, obtain liquid c; Mixed with liquid b by liquid a, 300-350 rev/min of dispersed with stirring 6-10 minute, adds liquid c, stir be placed on 80-85 DEG C water-bath in thermostatically heating 10-12 hour, obtain described biological binding agent;

The sodium hydroxide solution putting into 30-40% after Cortex ulmi pumilae abrasive dust is soaked 2-3 hour by the preparation method of described structure toughener, takes out and dries.

2. a preparation method for double-faced waterproofing timber glue as claimed in claim 1, is characterized in that comprising the following steps:

By sierozem power, fluorographite, the mixing of two Lauryl Alcohol ester, stir, add high density polyethylene(HDPE), at 100-105 DEG C, stir preheating 10-15 minute, add butyl benzyl phthalate, be stirred to normal temperature;

Get the 20-25% of above-mentioned ethylene-ethyl acrylate copolymer weight, add C9 petroleum resin, after stirring, add nylon acid methyl esters, naphthenic soap, at 70-80 DEG C, be uniformly mixed 5-10 minute;

By each raw material mixing after above-mentioned process, add each raw material of residue, send into high-speed mixer, mixing evenly after send into mill mixing, abundant post-tensioning to be mixed goes out glued membrane cooling, tacky film is laid between wood single-plate, pressing conditions: pressure 1-2Mpa, temperature 100-170 DEG C, time 2-10min.