CN103952909B - A kind of preparation method of clean type purified cotton yarns sizing agent - Google Patents
A kind of preparation method of clean type purified cotton yarns sizing agent Download PDFInfo
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Abstract
The invention discloses a kind of preparation method of clean type purified cotton yarns sizing agent, comprise the following steps: first prepare glutin lysate and monomer pre-emulsion; Then under the effect of initator, react with acrylic monomer, prepare protein derivatives auxiliary agent; Finally prepare cationic crosslinked modifier WLS, and react with protein derivatives auxiliary agent, obtain clean type purified cotton yarns sizing agent.The preparation method of a kind of clean type purified cotton yarns of the present invention sizing agent, this sizing agent not only has raising yarn strength, reduce Yarn filoplume, increase wear resistance, good with other slurry compatibilities, PVA slurry can be replaced, effectively can reduce the features such as the end breakage rate of cotton when weaving cotton cloth, and utilize the design feature of this slurry, the dyeability of sizing fabric is improved, and can reduce the consumption of salt during dyeing and save dye dosage, the slurry on fabric need not be removed totally completely, and then effectively reduce environmental pollution, effectively make use of waste plant protein resource simultaneously.
Description
Technical field
The invention belongs to textiles auxiliary agent technical field, be specifically related to a kind of preparation method of clean type purified cotton yarns sizing agent.
Background technology
The slurry that China uses at present is generally converted starch, polyvinyl alcohol (PVA) and acrylic size three major types.Starch has long history at China's warp sizing as main slurry, and starch has good adhesiveness to hydrophilic natural fabric, also has certain film forming ability, easily degrades, but viscosity fluctuation is large, and gelatinization poor performance, needs to add a large amount of auxiliary addition agents.Acrylic size all has excellent adhesiveness to each fibrid, and good water solubility is easy to destarch, but its maximum shortcoming is that viscosity is comparatively serious again in moisture absorption, and price is high, is therefore only used as auxiliary slurry at home at present.PVA is a kind of typical water-soluble high-molecular compound, with its excellent film forming, good adhesiveness and with the feature such as other slurry compatibilities are good, from appearance till now always as main slurry, but PVA is not soluble, not easily dividing sinker, regeneration filoplume many, price is high, not only waste is caused to the energy, to environment, also improve sizing cost simultaneously.In addition, the fabric of starching, in dyeing and printing process, in order to reduce slurry to the ill-effect brought of dyeing, thoroughly must remove the slurry on fabric, that is: needing to carry out destarch process before dyeing.Destarch uses alkali, hydrogen peroxide or biology enzyme auxiliary agent usually, must use the slurry that a large amount of hot water and cold water adhere to remove fabric face simultaneously; Wherein PVA slurry not only destarch difficulty is large, and PVA slurry degraded required time is longer than modified starch size, its degradable need 3 years.Visible destarch processing will bring again power consumption, water consumption, heavy-polluted problem, and the slurry that therefore warp sizing uses at present also exists some problems, haves much room for improvement.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of clean type purified cotton yarns sizing agent, effectively reducing the end breakage rate of cotton when weaving cotton cloth and the pollution to environment, need not destarch thoroughly be carried out, improve the dyeability of sizing fabric simultaneously.
The technical solution adopted in the present invention is: a kind of preparation method of clean type purified cotton yarns sizing agent, specifically comprises the following steps:
Step 1: prepare glutin lysate
Under the environment temperature of 20 DEG C ~ 30 DEG C, gelatin is added in deionized water, swelling 10min ~ 60min, then be warming up to 50 DEG C ~ 90 DEG C, dissolve 30min ~ 180min, obtain glutin lysate;
Step 2: prepare monomer pre-emulsion
Take the emulsifying agent of monomer total amount 1% ~ 4%, and with deionized water dissolving, under the temperature conditions of 50 DEG C ~ 80 DEG C, stir 10min ~ 30min, to be emulsified dose dissolves rear elimination insoluble impurities completely, obtains emulsifier aqueous solution;
Emulsifier aqueous solution is got 50% ~ 80% to add in the flask that agitator, thermometer, condenser are housed wherein, stir and heat up, when temperature rises to 50 DEG C ~ 80 DEG C, dripping acrylamide aqueous solution and butyl acrylate successively; After butyl acrylate dropwises, continue insulated and stirred certain hour, obtain monomer pre-emulsion;
Step 3: prepare protein derivatives auxiliary agent
Glutin lysate step 1 obtained adds in the flask that agitator, thermometer, condenser are housed, stir and heat up, when temperature rises to 50 DEG C ~ 80 DEG C, add the remaining emulsifier aqueous solution carrying out step 2, continue to stir 10min ~ 30min, drip the initiator solution of the monomer pre-emulsion that obtains of step 2 and monomer total amount 0.2% ~ 1.2% successively, after initiator solution dropwises, continue insulated and stirred certain hour, obtain protein derivatives auxiliary agent;
Step 4: prepare cationic quaternary ammonium salt cross-linked modifier WLS
Sodium hydrate aqueous solution, triethanolamine, epoxychloropropane are mixed according to a certain percentage, stir and heat up, when temperature rises to 50 DEG C ~ 80 DEG C, insulated and stirred certain hour, obtains cationic quaternary ammonium salt cross-linked modifier WLS;
Step 5: prepare clean type purified cotton yarns sizing agent
The cationic quaternary ammonium salt cross-linked modifier WLS that protein derivatives auxiliary agent step 3 obtained and step 4 obtain mixes according to a certain percentage, stir and heat up, when temperature rises to 50 DEG C ~ 90 DEG C, drip sodium hydrate aqueous solution, the quality of sodium hydrate aqueous solution is 3% ~ 12% of gelatin quality, after sodium hydrate aqueous solution dropwises, continue insulated and stirred certain hour, obtain clean type purified cotton yarns sizing agent.
Feature of the present invention is also,
In step 1, gelatin and deionized water quality are than being 1:4 ~ 8.
In step 2, the mass ratio of emulsifying agent and water is 1:30 ~ 60, and emulsifying agent is neopelex.
In step 2, monomer total amount is the quality sum of acrylamide, butyl acrylate and gelatin, the mass ratio of acrylamide and gelatin is 1 ~ 5:5, the mass ratio of butyl acrylate and gelatin is 1 ~ 3:5, and in acrylamide aqueous solution, the mass ratio of acrylamide and water is 1:1.5 ~ 3.
The rotating speed stirred in step 2 is 400r/min ~ 800r/min, and the speed that acrylamide aqueous solution and butyl acrylate drip is 2.4 ~ 3.6mL/min, and the time of insulated and stirred is 30min ~ 120min.
In step 3, monomer total amount is the quality sum of acrylamide, butyl acrylate and gelatin.
In step 3, initator is ammonium persulfate, and the mass ratio of ammonium persulfate and water is 1:6 ~ 10.
The rotating speed stirred in step 3 is 400r/min ~ 800r/min, and the speed that monomer pre-emulsion drips is 2.4 ~ 3.6mL/min, and the speed that ammonium persulfate aqueous solution drips is 1.2 ~ 2.4mL/min, and the time of insulated and stirred is 1h ~ 4h.
In step 4, the mass ratio of sodium hydrate aqueous solution, triethanolamine, epoxychloropropane is 5:4:12, and in sodium hydrate aqueous solution, the mass concentration of NaOH is 40%, and the rotating speed of stirring is 400r/min ~ 800r/min, and the time of insulated and stirred is 4h ~ 6h.
In step 5, the mass ratio of protein derivatives auxiliary agent and cationic quaternary ammonium salt cross-linked modifier WLS is 1:3 ~ 5, the rotating speed stirred is 400r/min ~ 800r/min, in sodium hydrate aqueous solution, the mass ratio of NaOH and water is 1:8 ~ 20, the speed that sodium hydrate aqueous solution drips is 2.4 ~ 3.6mL/min, and the time of insulated and stirred is 60min ~ 180min.
The invention has the beneficial effects as follows: the preparation method of a kind of clean type purified cotton yarns of the present invention sizing agent, one of raw material of this sizing agent can extract from the waste leather enriched containing collagen, not only effectively utilize waste plant protein resource, improve yarn strength, reduce Yarn filoplume, increase wear resistance, and utilize the design feature of albumen auxiliary agent, sizing agent and other slurry compatibilities of preparation are good, PVA slurry can be replaced, effectively can reduce the end breakage rate of cotton when weaving cotton cloth and the pollution to environment, destarch thoroughly need not be carried out to fabric simultaneously, the dyeability of sizing fabric improves, the consumption of salt during dyeing can be reduced and save dye dosage, and then effectively reduce environmental pollution.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in detail.
The preparation method of a kind of clean type purified cotton yarns of the present invention sizing agent, specifically comprises the following steps:
Step 1: prepare glutin lysate
Under the environment temperature of 20 DEG C ~ 30 DEG C, added by gelatin in deionized water, gelatin and deionized water quality than being 1:4 ~ 8, swelling 10min ~ 60min, then are warming up to 50 DEG C ~ 90 DEG C, dissolve 30min ~ 180min, obtain glutin lysate;
Step 2: prepare monomer pre-emulsion
Take acrylamide, (mass ratio of acrylamide and gelatin is 1 ~ 5:5 to the neopelex of butyl acrylate and gelatin quality total amount 1% ~ 4%, the mass ratio of butyl acrylate and gelatin is 1 ~ 3:5), then deionized water dissolving neopelex is used, the mass ratio of neopelex and deionized water is 1:30 ~ 60, under the temperature conditions of 50 DEG C ~ 80 DEG C, 10min ~ 30min is stirred with the rotating speed of 400r/min ~ 800r/min, after neopelex dissolves completely, elimination insoluble impurities, obtain emulsifier aqueous solution,
Emulsifier aqueous solution is got wherein 50% ~ 80% add in the there-necked flask that agitator, thermometer, condenser are housed, stir with the rotating speed of 400r/min ~ 800r/min and heat up, when temperature rises to 50 DEG C ~ 80 DEG C, drip acrylamide aqueous solution (mass ratio of acrylamide and water is for 1:1.5 ~ 3) and butyl acrylate with the speed of 2.4 ~ 3.6mL/min successively; After butyl acrylate dropwises, continue insulated and stirred 30min ~ 120min, obtain monomer pre-emulsion;
Step 3: prepare protein derivatives auxiliary agent
Glutin lysate step 1 obtained adds agitator is housed, thermometer, in the there-necked flask of condenser, stir with the rotating speed of 400r/min ~ 800r/min and heat up, when temperature rises to 50 DEG C ~ 80 DEG C, add and carry out the remaining emulsifier aqueous solution of step 2, continue to stir 10min ~ 30min, again with the monomer pre-emulsion that the speed of 2.4 ~ 3.6mL/min dropping step 2 obtains, finally drip monomer total amount (acrylamide with the speed of 1.2 ~ 2.4mL/min, butyl acrylate and gelatin quality sum) 0.2% ~ 1.2% ammonium persulfate aqueous solution, the mass ratio of ammonium persulfate and water is 1:6 ~ 10, after ammonium persulfate aqueous solution dropwises, continue insulated and stirred 1h ~ 4h, obtain protein derivatives auxiliary agent,
Step 4: prepare cationic quaternary ammonium salt cross-linked modifier WLS
Be 40% sodium hydrate aqueous solution by mass concentration, triethanolamine, epoxychloropropane be the ratio mixing of 5:4:12 according to mass ratio, stir with the rotating speed of 400r/min ~ 800r/min and heat up, when temperature rises to 50 DEG C ~ 80 DEG C, insulated and stirred 4h ~ 6h, obtains cationic quaternary ammonium salt cross-linked modifier WLS;
Step 5: prepare clean type purified cotton yarns sizing agent
The cationic quaternary ammonium salt cross-linked modifier WLS that protein derivatives auxiliary agent step 3 obtained and step 4 obtain is that 1:3 ~ 5 mix according to mass ratio, stir with the rotating speed of 400r/min ~ 800r/min and heat up, when temperature rises to 50 DEG C ~ 90 DEG C, sodium hydrate aqueous solution (mass ratio of NaOH and water is for 1:8 ~ 20) is dripped with the speed of 2.4 ~ 3.6mL/min, the quality of sodium hydrate aqueous solution is 3% ~ 12% of gelatin quality, after sodium hydrate aqueous solution dropwises, continue insulated and stirred 60min ~ 180min, obtain clean type purified cotton yarns sizing agent.
Glutin used in the present invention can extract from the waste leather enriched containing collagen, and it is a kind of important protein in organism.Gelatin is the product after collagen hydrolysate, and glutin has obvious peptide characteristic.Containing a large amount of amino (-NH2), carboxyl (-COOH), hydroxyl (-OH) isopolarity group in glutin structure, these group energy and reacting containing the cationic quaternary ammonium salt cross-linked modifier WLS of multiple oxirane active group, and under initator initiation can with acrylic monomer generation graft polymerization reaction.Gelatin can extract from discarded leather simultaneously, and one of its raw material as slurry, its advantage is cheap, and asepsis environment-protecting is biodegradable, easy to prepare.
WLS is the cationic quaternary ammonium salt cross-linked modifier containing multiple oxirane active group, be seen as light yellow viscous liquid in appearance, its chemical constitution has the oxirane active group that character is very active, can with amino (-NH2), carboxyl (-COOH), hydroxyl (-OH) isopolarity group generation chemical reaction, therefore, can be used as cross-linking modified auxiliary agent, can react with glutin auxiliary agent, by albumen auxiliary agent cation modifying.Its advantage is that preparation technology is easy, and validity is good.
The effect of NaOH is that catalysis WLS auxiliary agent and albumen auxiliary agent react.
Beneficial effect of the present invention:
1) sizing agent prepared of the present invention, have with cotton affinity large,, environment-protecting asepsis good with other slurry compatibilities and can with the good characteristics such as fiber generation cross-linking reaction, cotton surface can be adsorbed on well, the smooth serous coat of one deck is formed at fiber surface, thus reach the object effectively increasing yarn strength, reduce filoplume and increase wear resistance, can be used as the slurry of purified cotton yarns starching;
2) cotton fiber of this sizing agent process introduces structure and the group of cationic protein, can react with fiber generation covalent cross-linking, make fiber generation cation modifying, and then can significantly improve the dyeability of sizing fabric to dyestuffs such as anion actives, and salt consumption when reducing dyeing, reduce dyeing and pollute;
3) COTTON FABRIC of this slurry sizing is used, one desizing need not be carried out specially, only need concise, in refinery practice, the while that natural impurity being removed on cotton fiber, being combined in unstable slurry in COTTON FABRIC and being removed, and do not need all slurries on fabric to remove clean, namely can remove the destarch operation of fabric before dyeing from, and then greatly reduce water consumption, power consumption and minimizing environmental pollution, and cut down finished cost;
4) one of raw material preparing sizing agent of the present invention can extract from the waste leather enriched containing collagen, effectively utilizes waste plant protein resource, turns waste into wealth, meet the theory of Resources for construction economizing type and friendly environment society.
Embodiment 1
Step 1: prepare glutin lysate
Under the environment temperature of 20 DEG C, add in deionized water by 5g gelatin, gelatin and deionized water quality, than being 1:4, swelling 10min, being then warming up to 50 DEG C, then in the temperature environment of 50 DEG C, dissolving 30min, obtain glutin lysate;
Step 2: prepare monomer pre-emulsion
(mass ratio of acrylamide and gelatin is 1:5 to take the neopelex of 0.07g (acrylamide, butyl acrylate and gelatin quality total amount 1%), the mass ratio of butyl acrylate and gelatin is 1:5), and use 2.1g deionized water dissolving, under the temperature conditions of 50 DEG C, 10min is stirred with the rotating speed of 400r/min, after neopelex dissolves completely, elimination insoluble impurities, obtains emulsifier aqueous solution;
Emulsifier aqueous solution is got wherein 50% add in the there-necked flask that agitator, thermometer, condenser are housed, stir with the rotating speed of 400r/min and heat up, when temperature rises to 50 DEG C, acrylamide aqueous solution (acrylamide 1g, water 1.5g) and butyl acrylate (1g) is dripped successively with the speed of 2.4mL/min; After butyl acrylate dropwises, continue insulated and stirred 30min, obtain monomer pre-emulsion;
Step 3: prepare protein derivatives auxiliary agent
Glutin lysate step 1 obtained adds agitator is housed, thermometer, in the there-necked flask of condenser, stir with the rotating speed of 400r/min and heat up, when temperature rises to 50 DEG C, add residue 50% emulsifier aqueous solution of step 2, continue to stir 10min, again with the monomer pre-emulsion that the speed of 2.4mL/min dropping step 2 obtains, finally drip 0.014g (acrylamide with the speed of 1.2mL/min, butyl acrylate and gelatin quality total amount 0.2%) ammonium persulfate aqueous solution, the mass ratio of ammonium persulfate and water is 1:6, after ammonium persulfate aqueous solution dropwises, continue insulated and stirred 4h, obtain protein derivatives auxiliary agent,
Step 4: prepare cationic quaternary ammonium salt cross-linked modifier WLS
Be 40% sodium hydrate aqueous solution by mass concentration, triethanolamine, epoxychloropropane be the ratio mixing of 5:4:12 according to mass ratio, stir with the rotating speed of 400r/min and heat up, when temperature rises to 50 DEG C, insulated and stirred 4h, obtains cationic quaternary ammonium salt cross-linked modifier WLS;
Step 5: prepare clean type purified cotton yarns sizing agent
The cationic quaternary ammonium salt cross-linked modifier WLS that protein derivatives auxiliary agent step 3 obtained and step 4 obtain is that 1:3 mixes according to mass ratio, stir with the rotating speed of 400r/min and heat up, when temperature rises to 50 DEG C, the sodium hydrate aqueous solution (mass ratio of NaOH and water is for 1:8) of 0.15g (3% of gelatin quality) is dripped with the speed of 2.4mL/min, after sodium hydrate aqueous solution dropwises, continue insulated and stirred 60min, obtain clean type purified cotton yarns sizing agent.
Embodiment 2
Step 1: prepare glutin lysate
Under the environment temperature of 25 DEG C, add in deionized water by 10g gelatin, gelatin is 1:6, swelling 20min with deionized water quality ratio, then is warming up to 60 DEG C, dissolves 50min, obtain glutin lysate in the temperature environment of 60 DEG C;
Step 2: prepare monomer pre-emulsion
(mass ratio of acrylamide and gelatin is 2:5 to take 0.36g (acrylamide, butyl acrylate and gelatin quality total amount 2%) neopelex, the mass ratio of butyl acrylate and gelatin is 2:5), and use 14.4g deionized water dissolving, under the temperature conditions of 60 DEG C, 20min is stirred with the rotating speed of 500r/min, after neopelex dissolves completely, elimination insoluble impurities, obtains emulsifier aqueous solution;
Emulsifier aqueous solution is got wherein 60% add in the there-necked flask that agitator, thermometer, condenser are housed, stir with the rotating speed of 500r/min and heat up, when temperature rises to 60 DEG C, acrylamide aqueous solution (acrylamide 4g, water 8g) and butyl acrylate (4g) is dripped successively with the speed of 2.8mL/min; After butyl acrylate dropwises, continue insulated and stirred 40min, obtain monomer pre-emulsion;
Step 3: prepare protein derivatives auxiliary agent
Glutin lysate step 1 obtained adds agitator is housed, thermometer, in the there-necked flask of condenser, stir with the rotating speed of 500r/min and heat up, when temperature rises to 60 DEG C, add residue 40% emulsifier aqueous solution of step 2, continue to stir 20min, again with the monomer pre-emulsion that the speed of 2.8mL/min dropping step 2 obtains, finally drip 0.072g (acrylamide with the speed of 1.4mL/min, butyl acrylate and gelatin quality total amount 0.4%) ammonium persulfate aqueous solution, the mass ratio of ammonium persulfate and water is 1:7, after ammonium persulfate aqueous solution dropwises, continue insulated and stirred 2h, obtain protein derivatives auxiliary agent,
Step 4: prepare cationic quaternary ammonium salt cross-linked modifier WLS
Be 40% sodium hydrate aqueous solution by mass concentration, triethanolamine, epoxychloropropane be the ratio mixing of 5:4:12 according to mass ratio, stir with the rotating speed of 500r/min and heat up, when temperature rises to 60 DEG C, insulated and stirred 5h, obtains cationic quaternary ammonium salt cross-linked modifier WLS;
Step 5: prepare clean type purified cotton yarns sizing agent
The cationic quaternary ammonium salt cross-linked modifier WLS that protein derivatives auxiliary agent step 3 obtained and step 4 obtain is that 1:3.5 mixes according to mass ratio, stir with the rotating speed of 500r/min and heat up, when temperature rises to 60 DEG C, the sodium hydrate aqueous solution (mass ratio of NaOH and water is for 1:10) of 0.6g (6% of gelatin quality) is dripped with the speed of 2.8mL/min, after sodium hydrate aqueous solution dropwises, continue insulated and stirred 90min, obtain clean type purified cotton yarns sizing agent.
Embodiment 3
Step 1: prepare glutin lysate
Under the environment temperature of 30 DEG C, add in deionized water by 15g gelatin, gelatin is 1:7, swelling 30min with deionized water quality ratio, then is warming up to 70 DEG C, dissolves 90min, obtain glutin lysate in the temperature environment of 70 DEG C;
Step 2: prepare monomer pre-emulsion
(mass ratio of acrylamide and gelatin is 3:5 to take the neopelex of 0.99g (acrylamide, butyl acrylate and gelatin quality total amount 3%), the mass ratio of butyl acrylate and gelatin is 3:5), and use 49.5g deionized water dissolving, under the temperature conditions of 70 DEG C, 30min is stirred with the rotating speed of 600r/min, after neopelex dissolves completely, elimination insoluble impurities, obtains emulsifier aqueous solution;
Emulsifier aqueous solution is got wherein 70% add in the there-necked flask that agitator, thermometer, condenser are housed, stir with the rotating speed of 600r/min and heat up, when temperature rises to 70 DEG C, acrylamide aqueous solution (acrylamide 9g, water 25g) and butyl acrylate (9g) is dripped successively with the speed of 3.2mL/min; After butyl acrylate dropwises, continue insulated and stirred 90min, obtain monomer pre-emulsion;
Step 3: prepare protein derivatives auxiliary agent
Glutin lysate step 1 obtained adds agitator is housed, thermometer, in the there-necked flask of condenser, stir with the rotating speed of 600r/min and heat up, when temperature rises to 70 DEG C, add residue 30% emulsifier aqueous solution of step 2, continue to stir 30min, again with the monomer pre-emulsion that the speed of 3.2mL/min dropping step 2 obtains, finally drip 0.264g (acrylamide with the speed of 2.0mL/min, butyl acrylate and gelatin quality total amount 0.8%) ammonium persulfate aqueous solution, the mass ratio of ammonium persulfate and water is 1:8, after ammonium persulfate aqueous solution dropwises, continue insulated and stirred 3h, obtain protein derivatives auxiliary agent,
Step 4: prepare cationic quaternary ammonium salt cross-linked modifier WLS
Be 40% sodium hydrate aqueous solution by mass concentration, triethanolamine, epoxychloropropane be the ratio mixing of 5:4:12 according to mass ratio, stir with the rotating speed of 600r/min and heat up, when temperature rises to 70 DEG C, insulated and stirred 6h, obtains cationic quaternary ammonium salt cross-linked modifier WLS;
Step 5: prepare clean type purified cotton yarns sizing agent
The cationic quaternary ammonium salt cross-linked modifier WLS that protein derivatives auxiliary agent step 3 obtained and step 4 obtain is that 1:4 mixes according to mass ratio, stir with the rotating speed of 600r/min and heat up, when temperature rises to 70 DEG C, the sodium hydrate aqueous solution (mass ratio of NaOH and water is for 1:15) of 1.5g (10% of gelatin quality) is dripped with the speed of 3.2mL/min, sodium hydrate aqueous solution dropwises follow-up continuous insulated and stirred 120min, obtains clean type purified cotton yarns sizing agent.
Embodiment 4
Step 1: prepare glutin lysate
Under the environment temperature of 25 DEG C, add in deionized water by 10g gelatin, gelatin is 1:8, swelling 60min with deionized water quality ratio, then is warming up to 90 DEG C, dissolves 180min, obtain glutin lysate in the temperature environment of 90 DEG C;
Step 2: prepare monomer pre-emulsion
(mass ratio of acrylamide and gelatin is 5:5 to take the neopelex of 1.04g (acrylamide, butyl acrylate and gelatin quality total amount 4%), the mass ratio of butyl acrylate and gelatin is 3:5), and use 62.4g deionized water dissolving, under the temperature conditions of 80 DEG C, 30min is stirred with the rotating speed of 800r/min, after neopelex dissolves completely, elimination insoluble impurities, obtains emulsifier aqueous solution;
Emulsifier aqueous solution is got wherein 80% add in the there-necked flask that agitator, thermometer, condenser are housed, stir with the rotating speed of 800r/min and heat up, when temperature rises to 80 DEG C, acrylamide aqueous solution (acrylamide 10g, water 30g) and butyl acrylate (6g) is dripped successively with the speed of 3.6mL/min; After butyl acrylate dropwises, continue insulated and stirred 120min, obtain monomer pre-emulsion;
Step 3: prepare protein derivatives auxiliary agent
Glutin lysate step 1 obtained adds agitator is housed, thermometer, in the there-necked flask of condenser, stir with the rotating speed of 800r/min and heat up, when temperature rises to 80 DEG C, add residue 20% emulsifier aqueous solution of step 2, continue to stir 30min, again with the monomer pre-emulsion that the speed of 3.6mL/min dropping step 2 obtains, finally drip 0.312g (acrylamide with the speed of 2.4mL/min, butyl acrylate and gelatin quality total amount 1.2%) ammonium persulfate aqueous solution, the mass ratio of ammonium persulfate and water is 1:10, after ammonium persulfate aqueous solution dropwises, continue insulated and stirred 1h, obtain protein derivatives auxiliary agent,
Step 4: prepare cationic quaternary ammonium salt cross-linked modifier WLS
Be 40% sodium hydrate aqueous solution by mass concentration, triethanolamine, epoxychloropropane be the ratio mixing of 5:4:12 according to mass ratio, stir with the rotating speed of 800r/min and heat up, when temperature rises to 80 DEG C, insulated and stirred 4h, obtains cationic quaternary ammonium salt cross-linked modifier WLS;
Step 5: prepare clean type purified cotton yarns sizing agent
The cationic quaternary ammonium salt cross-linked modifier WLS that protein derivatives auxiliary agent step 3 obtained and step 4 obtain is that 1:5 mixes according to mass ratio, stir with the rotating speed of 800r/min and heat up, when temperature rises to 90 DEG C, the sodium hydrate aqueous solution (mass ratio of NaOH and water is for 1:20) of 1.2g (12% of gelatin quality) is dripped with the speed of 3.2mL/min, sodium hydrate aqueous solution dropwises follow-up continuous insulated and stirred 180min, obtains clean type purified cotton yarns sizing agent.
The sizing agent using the present invention to prepare carries out starching to purified cotton yarns:
Warp sizing condition
Instrument: ASS3000 type fully automatic single thread Sizing machines
Yarn: purified cotton yarns 14.6tex
Starching mode: the two leaching of two pressure
Drying room temperature: 80 DEG C
Sizing speed: 15m/min
Sizing technique
1) first getting sizing agent of the present invention, to be made into concentration be 6% ~ 10% sizing agent aqueous solution, and after the sizing agent aqueous solution being warming up to 50 DEG C ~ 100 DEG C, constant temperature stir process 30min ~ 100min, obtains the sizing agent of gelatinization;
2) sizing agent that gelatinization is good being poured into preheated, temperature is in 50 DEG C ~ 90 DEG C Sizing machines stock tanks, 14.6tex purified cotton yarns is put in Sizing machines, starching is carried out to cotton, then dried by starching cotton in the baking oven of 60 DEG C ~ 100 DEG C, the setting speed of a motor vehicle is 10m/min ~ 20m/min;
3) start starching, and in sizing process, test pH value, viscosity, these three basic indexs of temperature of slurries, to determine the slurries actual performance of starching, purified cotton yarns, after starching, obtains starching finished product.
Sizing agent of the present invention is adopted to carry out starching to purified cotton yarns, after starching, the brute force of yarn is compared unsized yarn and is improve 50% ~ 70%, filoplume reduction rate reaches 90% ~ 98%, subtract the rate of stretching and reach 20% ~ 28%, not only effectively improve the brute force of yarn, decrease Yarn filoplume, maintain the original elasticity of yarn simultaneously, this is because cationic protein derivative slurry and purified cotton yarns have good adhesive force, the smooth serous coat of one deck is formed in yam surface, thus effectively improve yarn strength, reduce Yarn filoplume, improve the ABRASION RESISTANCE etc. of yarn.This auxiliary agent is in warp sizing simultaneously, reduces the use amount of slurry, reduces slurries gelatinization point; In addition, after sizing yarn woven into fabric, through suitable refining processing, fiber surface is still with cationic protein auxiliary agent, will not remove totally completely by the slurry on fabric, the active force between this fabric and anionic dye be large, and dyeability improves, the absorption being conducive to anionic dye contaminates, and then salt consumption when can reduce dyeing.Therefore the use of this slurry is conducive to reducing water pollutions, reducing energy consumption, reaches the object of cleaner production and protection of the environment.
Claims (10)
1. a preparation method for clean type purified cotton yarns sizing agent, is characterized in that, specifically comprises the following steps:
Step 1: prepare glutin lysate
Under the environment temperature of 20 DEG C ~ 30 DEG C, gelatin is added in deionized water, swelling 10min ~ 60min, then be warming up to 50 DEG C ~ 90 DEG C, dissolve 30min ~ 180min, obtain glutin lysate;
Step 2: prepare monomer pre-emulsion
Take the emulsifying agent of monomer total amount 1% ~ 4%, and with deionized water dissolving, under the temperature conditions of 50 DEG C ~ 80 DEG C, stir 10min ~ 30min, to be emulsified dose dissolve completely after, elimination insoluble impurities, obtains emulsifier aqueous solution;
Described emulsifier aqueous solution is got 50% ~ 80% to add in the flask that agitator, thermometer, condenser are housed wherein, stir and heat up, when temperature rises to 50 DEG C ~ 80 DEG C, dripping acrylamide aqueous solution and butyl acrylate successively; After butyl acrylate dropwises, continue insulated and stirred certain hour, obtain monomer pre-emulsion;
Step 3: prepare protein derivatives auxiliary agent
The glutin lysate described step 1 obtained adds in the flask that agitator, thermometer, condenser are housed, stir and heat up, when temperature rises to 50 DEG C ~ 80 DEG C, add and carry out the remaining emulsifier aqueous solution of step 2, continue to stir 10min ~ 30min, drip the initiator solution of monomer pre-emulsion that described step 2 obtains and monomer total amount 0.2% ~ 1.2% successively, after initiator solution dropwises, continue insulated and stirred certain hour, obtain protein derivatives auxiliary agent;
Step 4: prepare cationic quaternary ammonium salt cross-linked modifier WLS
Sodium hydrate aqueous solution, triethanolamine, epoxychloropropane are mixed according to a certain percentage, stir and heat up, when temperature rises to 50 DEG C ~ 80 DEG C, insulated and stirred certain hour, obtains cationic quaternary ammonium salt cross-linked modifier WLS;
Step 5: prepare clean type purified cotton yarns sizing agent
The cationic quaternary ammonium salt cross-linked modifier WLS that the protein derivatives auxiliary agent described step 3 obtained and described step 4 obtain mixes according to a certain percentage, stir and heat up, when temperature rises to 50 DEG C ~ 90 DEG C, drip sodium hydrate aqueous solution, the quality of described sodium hydrate aqueous solution is 3% ~ 12% of gelatin quality, sodium hydrate aqueous solution dropwises follow-up continuous insulated and stirred certain hour, obtains clean type purified cotton yarns sizing agent.
2. the preparation method of a kind of clean type purified cotton yarns sizing agent as claimed in claim 1, is characterized in that, in described step 1, gelatin and deionized water quality are than being 1:4 ~ 8.
3. the preparation method of a kind of clean type purified cotton yarns sizing agent as claimed in claim 1, it is characterized in that, in described step 2, the mass ratio of emulsifying agent and water is 1:30 ~ 60, and described emulsifying agent is neopelex.
4. the preparation method of a kind of clean type purified cotton yarns sizing agent as claimed in claim 1, it is characterized in that, in described step 2, monomer total amount is the quality sum of acrylamide, butyl acrylate and gelatin, the mass ratio of described acrylamide and gelatin is 1 ~ 5:5, the mass ratio of described butyl acrylate and gelatin is 1 ~ 3:5, and in described acrylamide aqueous solution, the mass ratio of acrylamide and water is 1:1.5 ~ 3.
5. the preparation method of a kind of clean type purified cotton yarns sizing agent as claimed in claim 1, it is characterized in that, the rotating speed stirred in described step 2 is 400r/min ~ 800r/min, the speed that acrylamide aqueous solution and butyl acrylate drip is 2.4 ~ 3.6mL/min, and the time of insulated and stirred is 30min ~ 120min.
6. the preparation method of a kind of clean type purified cotton yarns sizing agent as claimed in claim 1, is characterized in that, in described step 3, monomer total amount is the quality sum of acrylamide, butyl acrylate and gelatin.
7. the preparation method of a kind of clean type purified cotton yarns sizing agent as claimed in claim 1, it is characterized in that, in described step 3, initator is ammonium persulfate, and the mass ratio of ammonium persulfate and water is 1:6 ~ 10.
8. the preparation method of a kind of clean type purified cotton yarns sizing agent as claimed in claim 7, it is characterized in that, the rotating speed stirred in described step 3 is 400r/min ~ 800r/min, the speed that monomer pre-emulsion drips is 2.4 ~ 3.6mL/min, the speed that ammonium persulfate aqueous solution drips is 1.2 ~ 2.4mL/min, and the time of insulated and stirred is 1h ~ 4h.
9. the preparation method of a kind of clean type purified cotton yarns sizing agent as claimed in claim 1, it is characterized in that, in described step 4, the mass ratio of sodium hydrate aqueous solution, triethanolamine, epoxychloropropane is 5:4:12, in described sodium hydrate aqueous solution, the mass concentration of NaOH is 40%, the rotating speed of described stirring is 400r/min ~ 800r/min, and the time of insulated and stirred is 4h ~ 6h.
10. the preparation method of a kind of clean type purified cotton yarns sizing agent as claimed in claim 1, it is characterized in that, in described step 5, the mass ratio of protein derivatives auxiliary agent and cationic quaternary ammonium salt cross-linked modifier WLS is 1:3 ~ 5, the rotating speed of described stirring is 400r/min ~ 800r/min, in described sodium hydrate aqueous solution, the mass ratio of NaOH and water is 1:8 ~ 20, the speed that described sodium hydrate aqueous solution drips is 2.4 ~ 3.6mL/min, and the time of insulated and stirred is 60min ~ 180min.
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| AU2018318996B2 (en) | 2017-08-15 | 2022-06-23 | Cotton Incorporated | Functionalized fibrous material |
| CN107964792A (en) * | 2017-12-15 | 2018-04-27 | 苏州润弘贸易有限公司 | A kind of spinning sizing agent |
| CN109930285A (en) * | 2019-01-21 | 2019-06-25 | 杭州丝绸之路文化艺术有限公司 | The production technology of all-cotton yarn-dyed silk like fabric fabric |
| CN114411418B (en) * | 2021-12-16 | 2023-02-21 | 江南大学 | Sizing agent for pure cotton warp yarns and preparation method thereof |
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