Durable waterproof, grease proofing, antistatic, antibacterial functions type coating adhesive and preparation method
Technical field
What the present invention relates to is after-finishing of textile products functional form coating adhesive, and the textiles of processing with this gel coating has durable waterproof, grease proofing, antistatic, antibiotic main feature.Its technical characterstic is to contain a plurality of-CF3 group in the main gel molecule of coating adhesive, and is in the polymer chain skin, so it is hydrophobic, oleophobic property good, has good waterproof and oilproof stain resistance; Also have the trimethyl salmiac cation group in the main gel molecular structure, superior antistatic, antibiotic effect can be provided.
Background technology
Prior art realizes waterproof, grease proofing, antistatic, antibacterial effect for making weaving face fabric, pads PROCESS FOR TREATMENT by finishing agent and realizes, its water-wash resistance difference is the shortcoming of generally acknowledging.
In recent years, piece market increases year by year to the demand of functional form coating adhesive, but coating adhesive is the simple function type basically, and durable waterproof, grease proofing, antistatic, antibiotic comprehensive function type coating adhesive do not see that public technology is arranged.
Summary of the invention
The purpose of this invention is to provide a kind of durable waterproof, grease proofing, antistatic, antibacterial functions type coating adhesive and preparation method.
Durable waterproof of the present invention, grease proofing, antistatic, antibacterial functions type coating adhesive:
The raw material weight proportioning:
Methyl acrylate 25-29, n-butyl acrylate 80-88, glycidyl methacrylate 3.0-6.0, allyl methacrylate 1.0-1.8, methacrylic acid 2,2,2-trifluoro ethyl ester 10-15, acrylyl oxy-ethyl-trimethyl salmiac 20-30, fatty alcohol-polyoxyethylene ether XL90 is 6.5-7.8, hexadecyltrimethylammonium chloride 7.0-9.0,2, two (2-methyl-prop amidine) the hydrochloride 1.1-1.9 of 2-azo, deionized water 220-280, association type polyurethane levelling rheological agent WT-203 is 3.5-4.0; Make through emulsification, initiated polymerization, thickening three step process;
The product chemical index is as follows:
Outward appearance: white thick liquid
Ionic: sun
PH value: 5 ± 1
Solid content: 〉=40%
Viscosity: 2500-2800mPa.S.
Fatty alcohol-polyoxyethylene ether XL90 is that the pure and mild reacting ethylene oxide of Guerbet by ten carbon makes, and wherein numeral 90 is meant the molal quantity of oxirane.Fatty alcohol-polyoxyethylene ether XL90 product as BASF AG.
Association type polyurethane levelling rheological agent WT-203 is the modest Shanghai of a moral chemistry Co., Ltd product.
Durable waterproof of the present invention, grease proofing, antistatic, antibacterial functions type coating adhesive preparation method:
The raw material weight proportioning is:
Methyl acrylate 25-29, n-butyl acrylate 80-88, glycidyl methacrylate 3.0-6.0, allyl methacrylate 1.0-1.8, methacrylic acid 2,2,2-trifluoro ethyl ester 10-15, acrylyl oxy-ethyl-trimethyl salmiac 20-30, fatty alcohol-polyoxyethylene ether XL90 is 6.5-7.8, hexadecyltrimethylammonium chloride 7.0-9.0,2, two (2-methyl-prop amidine) the hydrochloride 1.1-1.9 of 2-azo, deionized water 220-280, association type polyurethane levelling rheological agent WT-203 is 3.5-4.0.
The preparation method:
(1) emulsification mix monomer: adding methyl acrylate 25-29 gram, n-butyl acrylate 80-88 gram, glycidyl methacrylate 3.0-6.0 gram, allyl methacrylate 1.0-1.8 gram, methacrylic acid 2,2,2-trifluoro ethyl ester 10-15 gram, acrylyl oxy-ethyl-trimethyl salmiac 20-30 gram, hexadecyltrimethylammonium chloride 7.0-9.0 gram, fatty alcohol-polyoxyethylene ether XL90 are that 6.5-7.8 gram, deionized water 200-280 restrain in the stainless steel still, stirring and emulsifying 30 minutes is made emulsion;
(2) initiated polymerization: get 20% of emulsion total amount, be that the 73.1-91.5 gram adds in the reactor, be warming up to 72-75 ℃, the mixed liquor that adds initator 2, two (2-methyl-prop amidine) the hydrochloride 0.2-0.38 grams of 2-azo and water 10 grams, cause, drip remaining emulsion 292.4-366 gram down at 72-75 ℃ then, drip the mixed liquor of initator 2, two (2-methyl-prop amidine) the hydrochloride 0.9-1.52 grams of 2-azo and water 30 grams simultaneously, 2.5-3.0 hour dropwise, then 82-85 ℃ of insulation 1.5-2.0 hour, be cooled to 40-45 ℃, filter;
(3) emulsion thickening: adding association type polyurethane levelling rheological agent WT-203 is the 3.5-4.0 gram, stirs 1-1.5 hour, filters discharging and gets product.
The present invention selects methyl acrylate, n-butyl acrylate, glycidyl methacrylate, methacrylic acid 2,2,2-trifluoro ethyl ester, allyl methacrylate, acrylyl oxy-ethyl-trimethyl salmiac monomer copolymerization for use, wherein allyl methacrylate contains two polymer functional groups and can construct three dimensional polymeric, crosslinked, insoluble structure, water-wash resistance is good, glycidyl methacrylate glycidol ester group and fabric reactive group (as amino, carboxyl, hydroxyl) reaction, more than two promise coating product water-wash resistances good, the film forming fastness is good; Methacrylic acid 2,2,2-trifluoro ethyl ester contain a plurality of-CF3 group, and are in the polymer chain skin, so it is hydrophobic, oleophobic property is fine, has durable waterproof, grease proofness; The trimethyl salmiac cation group of acrylyl oxy-ethyl-trimethyl salmiac has durable antistatic, antibiotic effect.
The specific embodiment
Embodiment 1
(1) emulsification mix monomer: adding methyl acrylate 25 grams, n-butyl acrylate 80 grams, glycidyl methacrylate 3.0, allyl methacrylate 1.0 grams, methacrylic acid 2,2,2-trifluoro ethyl ester 10, acrylyl oxy-ethyl-trimethyl salmiac 20, fatty alcohol-polyoxyethylene ether XL90 are 6.5 grams, deionized water 220 grams in the stainless steel still, stirring and emulsifying 30 minutes is made emulsion;
(2) initiated polymerization: get 20% of emulsion total amount, promptly 73.1 grams add in the reactor, be warming up to 72-75 ℃, the mixed liquor that adds initator 2, two (2-methyl-prop amidine) hydrochloride 0.2 grams of 2-azo and water 10 grams causes, drip remaining emulsion 292.4 grams down at 72-75 ℃ then, drip the mixed liquor of initator 2, two (2-methyl-prop amidine) hydrochloride 0.9 grams of 2-azo and water 30 grams simultaneously, 3.0 hour dropwise, then 82-85 ℃ of insulation 1.5 hours, be cooled to below 40 ℃, filter;
(3) emulsion thickening: adding association type polyurethane levelling rheological agent WT-203 is 3.5 grams, stirs 1 hour, filters discharging and gets product.
Embodiment 2
The raw material weight proportioning is: methyl acrylate 26 grams, n-butyl acrylate 82 grams, glycidyl methacrylate 4.0, allyl methacrylate 1.2 grams, methacrylic acid 2,2,2-trifluoro ethyl ester 12, acrylyl oxy-ethyl-trimethyl salmiac 22, fatty alcohol-polyoxyethylene ether XL90 is 6.8 grams, hexadecyltrimethylammonium chloride 7.5 grams, 2, two (2-methyl-prop amidine) hydrochloride 1.2 grams of 2-azo, deionized water 245 grams, association type polyurethane levelling rheological agent WT-203 is 3.7 grams; The technical process of producing is with embodiment 1.
Embodiment 3
The raw material weight proportioning is: methyl acrylate 27 grams, n-butyl acrylate 85 grams, glycidyl methacrylate 5.0, allyl methacrylate 1.4 grams, methacrylic acid 2,2,2-trifluoro ethyl ester 13, acrylyl oxy-ethyl-trimethyl salmiac 24,, fatty alcohol-polyoxyethylene ether XL90 is that 7.1 grams, hexadecyltrimethylammonium chloride 8.0 grams, 2, two (2-methyl-prop amidine) hydrochlorides 1.5 grams of 2-azo, deionized water 260 grams, association type polyurethane levelling rheological agent WT-203 are 3.9 grams, the technical process of production is with embodiment 1.
Embodiment 4
The raw material weight proportioning is: methyl acrylate 28 grams, n-butyl acrylate 87 grams, glycidyl methacrylate 5.5, allyl methacrylate 1.6 grams, methacrylic acid 2,2,2-trifluoro ethyl ester 14, acrylyl oxy-ethyl-trimethyl salmiac 27, fatty alcohol-polyoxyethylene ether XL90 are that 7.3 grams, hexadecyltrimethylammonium chloride 8.5 gram, 2, two (2-methyl-prop amidine) hydrochlorides 1.7 grams of 2-azo, deionized water 270 grams, association type polyurethane levelling rheological agent WT-203 are 3.9 grams, and the technical process of production is with embodiment 1.
Embodiment 5
The raw material weight proportioning is: methyl acrylate 29 grams, n-butyl acrylate 88 grams, glycidyl methacrylate 6.0, allyl methacrylate 1.8 grams, methacrylic acid 2,2,2-trifluoro ethyl ester 15, acrylyl oxy-ethyl-trimethyl salmiac 30,, fatty alcohol-polyoxyethylene ether XL90 is that 7.8 grams, hexadecyltrimethylammonium chloride 9.0 grams, 2, two (2-methyl-prop amidine) hydrochlorides 1.9 grams of 2-azo, deionized water 280 grams, association type polyurethane levelling rheological agent WT-203 are 4.0 grams, the technical process of production is with embodiment 1.
This product is applicable to coating on cotton textiles and the synthetic fabrics.
Coating adhesive of the present invention uses experimental example: the calendering of textile base cloth nylon roller, 90 ℃ of pressure 10MPa, temperature are carried out two times coating then on the calendering surface, the thick 1.5mm of coating cutter, 165 ℃ of baking temperatures, 1 minute time.
Testing result:
Testing standard:
GB/T4745-1997 textile fabric surface moisture resistance is measured
The anti-hydrocarbon test of GB/T19977-2005 textiles oil repellent
The evaluation of GB/T20944-2007 textiles-anti-microbial property
The FZ/T01042-1996 textile material antistatic property electrostatic pressure half-life is measured
GB/T8629-2001 washing fastness test condition.