CN104893619A - Bituminous binder containing pine needle meal with delicate fragrance as well as preparation method of bituminous binder - Google Patents

Abstract

The invention discloses a bituminous binder containing pine needle meal with the delicate fragrance. According to the bituminous binder, lactic acid/glycerin organic zirconium is used as a cross-linking agent, the bituminous binder has the obvious temperature-sensitive cross-linking characteristic, an ethylene-ethyl acrylate copolymer fiber base solution is used as a thickening agent, gel with good temperature resistance and shearing resistance can be formed under the cross-linking action, a fiber-treated copolymer base solution is used, the surface activity of copolymers can be improved, the cross-linking effect can be promoted, and the viscoelasticity and the thixotropy can be improved.

Description

A kind of delicate fragrance pine needle powder bituminous cement and preparation method thereof

Technical field

The present invention relates to a kind of tackiness agent, particularly relate to a kind of delicate fragrance pine needle powder bituminous cement and preparation method thereof.

Background technology

Traditional vegetable jelly tackiness agent, at high temperature facile hydrolysis, poor to the protectiveness of base material, and the thickening capabilities of ethylene-ethyl acrylate copolymer is strong, heat resistance is good;

The most frequently used linking agent of usual acquisition polymer gel is organic boron or organic zirconium, and organic borate cross-linker heatproof is the highest can only reach 150 DEG C, and organic zirconium can be cross-linked in acid condition, and heatproof is high, can reach 200 DEG C, has broad application prospects.

Summary of the invention

Object of the present invention is just to provide a kind of delicate fragrance pine needle powder bituminous cement and preparation method thereof.

The present invention is achieved by the following technical solutions:

A kind of delicate fragrance pine needle powder bituminous cement, it is made up of the raw material of following weight parts:

Pine needle powder 4-6, pitch 10-16, polymethyl acrylate 24-30, ethylene bis stearamide 0.7-2, diisodecyl adipate 6-9, potassium primary phosphate 1-2, the salpeter solution 0.3-0.4 of vulcabond 0.1-0.3, sp-80 0.8-2,10-12mol/l, ethylene-ethyl acrylate copolymer 200-210, zirconium oxychloride 1.3-2, lactic acid 0.5-1, glycerol 0.6-1, sisal fibers 10-15.

2, a preparation method for delicate fragrance pine needle powder bituminous cement as claimed in claim 1, is characterized in that comprising the following steps:

(1) above-mentioned pine needle powder is joined in 70-76 times of water, add the 80-90% of above-mentioned sp-80 weight under agitation condition, stir, add 70-80%, pitch, the vulcabond of above-mentioned polymethyl acrylate weight successively, insulation reaction 1-2 hour at 70-75 DEG C, obtains emulsification and cross linked pitch;

(2) sisal fibers being joined concentration is infiltrate 3-4 hour in the bisulfite potassium solution of 5-7%, take out washing, dry abrasive dust, add above-mentioned emulsification and cross linked pitch, drip the salpeter solution of 10-12mol/l, be heated to boiling, add polymer emulsion, and regulate PH to be 6-6.5, be stirred to normal temperature, obtain polymer fiber base fluid;

(3) joined by zirconium oxychloride in 2-3 times of water, stirring and dissolving, adds lactic acid, glycerol, and regulation system pH value, to 4-5, is uniformly mixed 4-5 hour, obtains organic zirconium crosslinker;

(4) by above-mentioned polymer fiber base fluid, organic zirconium crosslinker mixing, in the constant temperature oil bath of 80-90 DEG C, stir 20-30 minute, stir, obtain organic zirconium gel;

(5) potassium primary phosphate is joined in 20-30 times of water, add remaining sp-80 under agitation condition, stir, add remaining polymethyl acrylate, raised temperature is 80-90 DEG C, adds organic zirconium gel, ethylene bis stearamide, 600-700 rev/min is stirred 20-30 minute, and add each raw material of residue, raised temperature is 110-130 DEG C, insulated and stirred 30-40 minute, raised temperature is 170-180 DEG C, insulated and stirred 2-3 hour, through tank cooling, cut off shaping, dehydration, vacuum-drying, to obtain final product.

Advantage of the present invention is:

The present invention with lactic acid/glycerol organic zirconium for linking agent, it has obvious temperature sensitive crosslinking feature, with ethylene-ethyl acrylate copolymer fiber base fluid for viscosifying agent, pass through crosslinked action, the gel with good temperature and shearing sustainability can be formed, adopt the multipolymer base fluid of fiber treatment, multipolymer surfactivity can be improved, promote cross-linking effect, improve visco-elasticity and thixotropy.

Adhesive product steady quality of the present invention, cohesive force is strong, very power is good, quick-drying is non-foaming, and be applicable to the bonding between various timber, plastics, paper product, have high waterproof, distortion of not easily coming unstuck, the pine needle powder wherein added, has light delicate fragrance.

Embodiment

Below in conjunction with embodiment, the present invention is described in further detail:

Embodiment 1:

A kind of delicate fragrance pine needle powder bituminous cement, it is made up of the raw material of following weight parts:

The salpeter solution 0.4 of pine needle powder 4, pitch 10-16, polymethyl acrylate 30, ethylene bis stearamide 0.7, diisodecyl adipate 6, potassium primary phosphate 1, vulcabond 0.3, sp-80 0.8,12mol/l, ethylene-ethyl acrylate copolymer 210, zirconium oxychloride 1.3, lactic acid 0.5, glycerol 0.6, sisal fibers 15.

A preparation method for delicate fragrance pine needle powder bituminous cement, comprises the following steps:

(1) above-mentioned pine needle powder is joined in 76 times of water, add 90% of above-mentioned sp-80 weight under agitation condition, stir, add 80% of above-mentioned polymethyl acrylate weight successively, pitch, vulcabond, at 75 DEG C, insulation reaction 1 hour, obtains emulsification and cross linked pitch;

(2) sisal fibers being joined concentration is infiltrate 4 hours in the bisulfite potassium solution of 5%, take out washing, dry abrasive dust, add above-mentioned emulsification and cross linked pitch, drip the salpeter solution of 12mol/l, be heated to boiling, add polymer emulsion, and regulate PH to be 6.5, be stirred to normal temperature, obtain polymer fiber base fluid;

(3) joined by zirconium oxychloride in 3 times of water, stirring and dissolving, adds lactic acid, glycerol, and regulation system pH value to 4 is uniformly mixed 5 hours, obtains organic zirconium crosslinker;

(4) by above-mentioned polymer fiber base fluid, organic zirconium crosslinker mixing, stir 20 minutes in the constant temperature oil bath of 90 DEG C, stir, obtain organic zirconium gel;

(5) potassium primary phosphate is joined in 30 times of water, add remaining sp-80 under agitation condition, stir, add remaining polymethyl acrylate, raised temperature is 90 DEG C, adds organic zirconium gel, ethylene bis stearamide, 700 revs/min are stirred 20 minutes, and add each raw material of residue, raised temperature is 130 DEG C, insulated and stirred 30 minutes, raised temperature is 180 DEG C, insulated and stirred 2 hours, through tank cooling, cut off shaping, dehydration, vacuum-drying, to obtain final product.

Performance test:

Cohesive strength: 3.7MPa;

Viscosity: 3700mPa.s.

Claims (2)

1. a delicate fragrance pine needle powder bituminous cement, is characterized in that what it was made up of the raw material of following weight parts:

Pine needle powder 4-6, pitch 10-16, polymethyl acrylate 24-30, ethylene bis stearamide 0.7-2, diisodecyl adipate 6-9, potassium primary phosphate 1-2, the salpeter solution 0.3-0.4 of vulcabond 0.1-0.3, sp-80 0.8-2,10-12mol/l, ethylene-ethyl acrylate copolymer 200-210, zirconium oxychloride 1.3-2, lactic acid 0.5-1, glycerol 0.6-1, sisal fibers 10-15.

2. a preparation method for delicate fragrance pine needle powder bituminous cement as claimed in claim 1, is characterized in that comprising the following steps:

(1) above-mentioned pine needle powder is joined in 70-76 times of water, add the 80-90% of above-mentioned sp-80 weight under agitation condition, stir, add 70-80%, pitch, the vulcabond of above-mentioned polymethyl acrylate weight successively, insulation reaction 1-2 hour at 70-75 DEG C, obtains emulsification and cross linked pitch;

(2) sisal fibers being joined concentration is infiltrate 3-4 hour in the bisulfite potassium solution of 5-7%, take out washing, dry abrasive dust, add above-mentioned emulsification and cross linked pitch, drip the salpeter solution of 10-12mol/l, be heated to boiling, add polymer emulsion, and regulate PH to be 6-6.5, be stirred to normal temperature, obtain polymer fiber base fluid;

(3) joined by zirconium oxychloride in 2-3 times of water, stirring and dissolving, adds lactic acid, glycerol, and regulation system pH value, to 4-5, is uniformly mixed 4-5 hour, obtains organic zirconium crosslinker;

(4) by above-mentioned polymer fiber base fluid, organic zirconium crosslinker mixing, in the constant temperature oil bath of 80-90 DEG C, stir 20-30 minute, stir, obtain organic zirconium gel;

(5) potassium primary phosphate is joined in 20-30 times of water, add remaining sp-80 under agitation condition, stir, add remaining polymethyl acrylate, raised temperature is 80-90 DEG C, adds organic zirconium gel, ethylene bis stearamide, 600-700 rev/min is stirred 20-30 minute, and add each raw material of residue, raised temperature is 110-130 DEG C, insulated and stirred 30-40 minute, raised temperature is 170-180 DEG C, insulated and stirred 2-3 hour, through tank cooling, cut off shaping, dehydration, vacuum-drying, to obtain final product.