CN105001809A - Bio-adhesive timber glue - Google Patents

Abstract

The invention discloses bio-adhesive timber glue. The bio-adhesive timber glue comprises, by weight, 0.2-0.4 parts of sarcosyl, 0.1-0.3 parts of polydimethylsiloxane, 0.1-0.2 parts of tri-n-butyltin chloride, 2-3 parts of bone black, 2-4 parts of distearyl thiodipropionate, 3-5 parts of trumpet shell powder, 0.4-1 part of linoleic acid, 3-4 parts of dibutyl maleate, 5-7 parts of perchloroethylene resin, 80-86 parts of chlorosulfonated polyethylene, 0.6-1 part of tert-butyl peroxyformate, 0.3-1 part of turpentine and 5-6 parts of a bio-adhesive. The bio-adhesive utilizes elm bark powder as a structure reinforcing agent and also utilizes high viscosity polyacrylamide so that the gel has fiber characteristics and a certain toughness and thus finished product viscosity is improved and finished product toughness is improved.

Description

A kind of biological bonding timber glue

Technical field

The present invention relates generally to glue field, particularly relates to a kind of biological bonding 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 biological bonding timber glue.

The present invention is achieved by the following technical solutions:

A kind of biological bonding timber glue, is characterized in that what it was made up of the raw material of following weight parts:

Sarcosyl 0.2-0.4, polydimethylsiloxane 0.1-0.3, tributyl tin trichloride 0.1-0.2, bone black 2-3, the two octadecyl 2-4 of thio-2 acid, Concha rapanae thomasianae powder 3-5, linolic acid 0.4-1, dibutyl maleinate 3-4, supervinyi chloride resin 5-7, chlorosulfonated polyethylene 80-86, peroxyformic acid tert-butyl ester 0.6-1, turps 0.3-1, 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 biology bonding timber glue, is characterized in that comprising the following steps:

By bone black, dibutyl maleinate, supervinyi chloride resin mixing, stir, obtain base-material;

By the peroxyformic acid tert-butyl ester, polydimethylsiloxane mixing, join in above-mentioned base-material after stirring, raised temperature is 60-80 DEG C, adds linolic acid, and insulation leaves standstill 20-30 minute, adds the two octadecyl of thio-2 acid, is stirred to normal temperature;

Each raw material after above-mentioned process mix with residue each raw material, sends into high-speed mixer, mixing even 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 110-170 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 is strong to the bond effect of woodwork, difficult drop-off, good weatherability, long service life.

Embodiment

Embodiment 1

A kind of biological bonding timber glue, it is made up of the raw material of following weight parts:

Sarcosyl 0.4, polydimethylsiloxane 0.3, tributyl tin trichloride 0.1, bone black 3, thio-2 acid two octadecyl 4, Concha rapanae thomasianae powder 5, linolic acid 1, dibutyl maleinate 4, supervinyi chloride resin 7, chlorosulfonated polyethylene 86, the peroxyformic acid tert-butyl ester 1, turps 0.3, 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 biology bonding timber glue, comprises the following steps:

By bone black, dibutyl maleinate, supervinyi chloride resin mixing, stir, obtain base-material;

By the peroxyformic acid tert-butyl ester, polydimethylsiloxane mixing, join in above-mentioned base-material after stirring, raised temperature is 80 DEG C, adds linolic acid, and insulation leaves standstill 30 minutes, adds the two octadecyl of thio-2 acid, is stirred to normal temperature;

Each raw material after above-mentioned process mix with residue each raw material, sends into high-speed mixer, mixing even 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 160 DEG C, time 2min.

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

Claims (2)

1. a biological bonding timber glue, is characterized in that what it was made up of the raw material of following weight parts:

Sarcosyl 0.2-0.4, polydimethylsiloxane 0.1-0.3, tributyl tin trichloride 0.1-0.2, bone black 2-3, the two octadecyl 2-4 of thio-2 acid, Concha rapanae thomasianae powder 3-5, linolic acid 0.4-1, dibutyl maleinate 3-4, supervinyi chloride resin 5-7, chlorosulfonated polyethylene 80-86, peroxyformic acid tert-butyl ester 0.6-1, turps 0.3-1, 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 biological bonding timber glue as claimed in claim 1, is characterized in that comprising the following steps:

By bone black, dibutyl maleinate, supervinyi chloride resin mixing, stir, obtain base-material;

By the peroxyformic acid tert-butyl ester, polydimethylsiloxane mixing, join in above-mentioned base-material after stirring, raised temperature is 60-80 DEG C, adds linolic acid, and insulation leaves standstill 20-30 minute, adds the two octadecyl of thio-2 acid, is stirred to normal temperature;

Each raw material after above-mentioned process mix with residue each raw material, sends into high-speed mixer, mixing even 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 110-170 DEG C, time 2-10min.