CN104893620A - Binder for beer and beverage bottle cap gaskets as well as preparation method of binder - Google Patents

Abstract

The invention discloses a binder for beer and beverage bottle cap gaskets. Lactic acid/glycerin organic zirconium is used as a crosslinking agent and has the obvious thermo-sensitive crosslinking characteristic, an ethylene-ethyl acrylate copolymer fiber base solution is used as a thickening agent, gel with good temperature resistance and shear resistance can be formed under the crosslinking action, the fiber-treated copolymer base solution is adopted, the copolymer surface activity can be improved, the crosslinking effect can be promoted, and the viscoelasticity and the thixotropy can be improved.

Description

A kind of beer, beverage bottle cap gasket tackiness agent and preparation method thereof

Technical field

The present invention relates to a kind of tackiness agent, particularly relate to a kind of beer, beverage bottle cap gasket tackiness agent 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 beer, beverage bottle cap gasket tackiness agent and preparation method thereof.

The present invention is achieved by the following technical solutions:

A kind of beer, beverage bottle cap gasket tackiness agent, it is made up of the raw material of following weight parts:

Salpeter solution 0.3-0.4, the ethylene-ethyl acrylate copolymer 200-210 of epoxy aliphatic acid methyl ester 5-7, potassium tetraborate 1-2, supervinyi chloride resin 20-30, sp-80 0.6-2,10-12mol/l, zirconium oxychloride 1.3-2, lactic acid 0.5-1, glycerol 0.6-1, sisal fibers 10-15, dithio-salicylic acid 0.6-1, chitosan 2-4, silane coupling agent KH560 0.3-1.

2, a preparation method for beer as claimed in claim 1, beverage bottle cap gasket tackiness agent, is characterized in that comprising the following steps:

(1) potassium tetraborate is joined in 13-20 times of water, stirring and dissolving, add 10-15%, the epoxy aliphatic acid methyl ester of above-mentioned sp-80 weight, insulated and stirred 3-5 minute at 60-80 DEG C, obtain esterification emulsion;

(2) sisal fibers being joined concentration is infiltrate 3-4 hour in the bisulfite potassium solution of 5-7%, takes out washing, dries abrasive dust, join in 25-30 times of water, add esterification emulsion, silane coupling agent KH560,600-1000 rev/min stir 20-30 minute, obtain silanized cellulose liquid;

(3) in above-mentioned silanized cellulose liquid, add remaining sp-80, the salpeter solution of above-mentioned dropping 10-12mol/l after stirring, be heated to boiling, add ethylene-ethyl acrylate copolymer, 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 polymer fiber base fluid, organic zirconium crosslinker, oxidized polyethlene wax mixing, in the constant temperature oil bath of 80-90 DEG C, stir 20-30 minute, stir, obtain organic zirconium gel;

(5) mixed with each raw material of residue by organic zirconium gel, raised temperature is 110-130 DEG C, insulated and stirred 30-40 minute, and raised temperature is 170-180 DEG C, insulated and stirred 2-3 hour, and 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.

Tackiness agent of the present invention is nontoxic, pollution-free, and without obnoxious flavour volatilization, firm to the bonding of beer, beverage bottle cap gasket, good seal performance, antistripping, resistance to cracking are strong.

Embodiment

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

Embodiment 1:

A kind of beer, beverage bottle cap gasket tackiness agent, it is made up of the raw material of following weight parts:

The salpeter solution 0.4 of epoxy aliphatic acid methyl ester 5, potassium tetraborate 2, supervinyi chloride resin 30, sp-80 0.6,12mol/l, ethylene-ethyl acrylate copolymer 210, zirconium oxychloride 1.3, lactic acid 0.5, glycerol 0.8, sisal fibers 15, dithio-salicylic acid 0.6, chitosan 2, silane coupling agent KH560 0.3.

A preparation method for beer, beverage bottle cap gasket tackiness agent, comprises the following steps:

(1) joined by potassium tetraborate in 20 times of water, stirring and dissolving, add 10-15%, the epoxy aliphatic acid methyl ester of above-mentioned sp-80 weight, at 80 DEG C, insulated and stirred 3 minutes, obtains esterification emulsion;

(2) sisal fibers being joined concentration is infiltrate 4 hours in the bisulfite potassium solution of 7%, and take out washing, dry abrasive dust, join in 30 times of water, add esterification emulsion, silane coupling agent KH560,1000 revs/min are stirred 30 minutes, obtain silanized cellulose liquid;

(3) in above-mentioned silanized cellulose liquid, add remaining sp-80, the salpeter solution of above-mentioned dropping 12mol/l after stirring, be heated to boiling, add ethylene-ethyl acrylate copolymer, 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 polymer fiber base fluid, organic zirconium crosslinker, oxidized polyethlene wax mixing, stir 30 minutes in the constant temperature oil bath of 90 DEG C, stir, obtain organic zirconium gel;

(5) mixed with each raw material of residue by organic zirconium gel, raised temperature is 130 DEG C, insulated and stirred 40 minutes, raised temperature 180 DEG C, insulated and stirred 2 hours, and through tank cooling, cut off shaping, dehydration, vacuum-drying, to obtain final product.

Performance test:

Cohesive strength: 3.8MPa;

Viscosity: 3800mPa.s.

Claims (2)

1. beer, a beverage bottle cap gasket tackiness agent, is characterized in that what it was made up of the raw material of following weight parts:

Salpeter solution 0.3-0.4, the ethylene-ethyl acrylate copolymer 200-210 of epoxy aliphatic acid methyl ester 5-7, potassium tetraborate 1-2, supervinyi chloride resin 20-30, sp-80 0.6-2,10-12mol/l, zirconium oxychloride 1.3-2, lactic acid 0.5-1, glycerol 0.6-1, sisal fibers 10-15, dithio-salicylic acid 0.6-1, chitosan 2-4, silane coupling agent KH560 0.3-1.

2. a preparation method for beer as claimed in claim 1, beverage bottle cap gasket tackiness agent, is characterized in that comprising the following steps:

(1) potassium tetraborate is joined in 13-20 times of water, stirring and dissolving, add 10-15%, the epoxy aliphatic acid methyl ester of above-mentioned sp-80 weight, insulated and stirred 3-5 minute at 60-80 DEG C, obtain esterification emulsion;

(2) sisal fibers being joined concentration is infiltrate 3-4 hour in the bisulfite potassium solution of 5-7%, takes out washing, dries abrasive dust, join in 25-30 times of water, add esterification emulsion, silane coupling agent KH560,600-1000 rev/min stir 20-30 minute, obtain silanized cellulose liquid;

(3) in above-mentioned silanized cellulose liquid, add remaining sp-80, the salpeter solution of above-mentioned dropping 10-12mol/l after stirring, be heated to boiling, add ethylene-ethyl acrylate copolymer, 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 polymer fiber base fluid, organic zirconium crosslinker, oxidized polyethlene wax mixing, in the constant temperature oil bath of 80-90 DEG C, stir 20-30 minute, stir, obtain organic zirconium gel;

(5) mixed with each raw material of residue by organic zirconium gel, raised temperature is 110-130 DEG C, insulated and stirred 30-40 minute, and raised temperature is 170-180 DEG C, insulated and stirred 2-3 hour, and through tank cooling, cut off shaping, dehydration, vacuum-drying, to obtain final product.