Summary of the invention
The invention provides the processing method of the morphological stability cellulose fibre works that does not produce free formaldehyde, wrinkle resistance that the form stable given level that washing resistance is good is high and the good cellulose fibre works of form stable performance that adopts this method to make.
The result that the present inventor concentrates on studies in order to achieve the above object repeatedly, discovery is containing non-formaldehyde resin processing agent and resin finishing with behind the treatment fluid of catalyst to the cellulose fibre works, heat-treat in the processing method of the morphological stability cellulose fibre works that makes resin finishing agent and fibrin reaction, carry out preliminary treatment by before giving the resin finishing agent, giving photochemical catalyst in advance to the cellulose fibre works, or after giving the resin finishing agent and heat-treating, give photochemical catalyst and carry out post processing, can prevent that resin from decomposing the generation foul smell, suppress the variation of whiteness, simultaneously can not produce free formaldehyde, and give high wrinkle resistance to fiber structure, can obtain W﹠amp; The morphological stability cellulose fibre works that W (noniron finish) property is good, thus the present invention finished.
That is, as above-mentioned, do not produce the cellulose reactive resin of free formaldehyde fully, it is non-formaldehyde resin that (a) glyoxal is arranged, (b) BHES (two hydroxyethyl sulfone), (c) epoxy resin, (d) polybasic carboxylic acid.Yet (a) glyoxal is that non-formaldehyde resin has resin to decompose the smelly problem of sex change generation amine.(b) BHES is remarkable because of xanthochromia, can not bleach processing.(c) epoxy resin is because of making the cellulose green change of fluorescent whitening agent, so can not bleach processing, (d) polybasic carboxylic acid need once form acid anhydrides, owing to need high temperature etc. this moment, so the problem of variable color and feel hardening is arranged.(b), (c), (d) are because wrinkle resistance is also not enough, so be not suitable for the form stable processing of high wrinkle resistance.
In addition, to (a) glyoxal is non-formaldehyde resin, the catalyst that anti-resin decomposes sex change has also been proposed, but use when lacking reactive non-formaldehyde resin and obtain the high wrinkle resistance of form stable level with cellulose, in order to improve reactivity, resin concentration also must be high, and so the also necessary higher catalyst of choice reaction is insufficient.Except that such problem, even use these catalyst, the light time of also shining sunshine etc. in addition produces the problem of foul smell.The present invention is the research that can solve these conventional art problems, can give the form stable performance of height to the cellulose fibre works.
Therefore, the invention provides:
(1) processing method of morphological stability cellulose fibre works, be after the cellulose fibre works is contained non-formaldehyde resin processing agent and the treatment fluid of resin finishing with catalyst, heat-treat the processing method of the morphological stability cellulose fibre works that makes resin finishing agent and fibrin reaction, it is characterized in that, above-mentioned treatment fluid give preceding or heat treatment after, use the chemical treatments cellulose fibre works contain photochemical catalyst.
(2) above-mentioned (1) described processing method is characterized in that, gives the back at treatment fluid and carries out drying at 80-130 ℃, heat-treats at 140-170 ℃.
(3) above-mentioned (1) or (2) described processing method, wherein non-formaldehyde resin processing agent are that glyoxal is non-formaldehyde resin.
(4) any one described processing method of above-mentioned (1), (2) or (3), wherein non-formaldehyde resin processing agent is 10-30 quality % with respect to the adhesion amount of fiber structure.
(5) any one described processing method of above-mentioned (1)-(4), wherein the resin finishing catalyst is the catalyst that is selected from fluorine boronated compound, inorganic metal salt and inorganic acid.
(6) any one described processing method of above-mentioned (1)-(5), wherein resin finishing is the 1-6 quality % of resin finishing agent with the use amount of catalyst.
(7) any one described processing method of above-mentioned (1)-(6), wherein photochemical catalyst is the catalyst that is selected from titanium oxide, iron oxide, zinc oxide, tungstic acid, bismuth oxide, strontium titanates, cadmium oxide, cerium oxide, contains the silica composite titanium oxide.
(8) any one described processing method of above-mentioned (1)-(7), wherein photochemical catalyst is 0.1-5 quality % with respect to the adhesion amount of fiber structure.
(9) morphological stability cellulose fibre works is characterized in that, is to adopt any one described processing method of above-mentioned (1)-(8) to make.
Adopt processing method of the present invention, because of not producing free formaldehyde, so it is safe, it is smelly also not produce non-formaldehyde resin, particularly glyoxal basically and be the amine that non-formaldehyde resin causes, and suppress whiteness reduction and intensity reduction, and can give the good height wrinkle resistance of washing resistance, high W﹠amp to the cellulose fibre works; W.
Processing method of the present invention, be after the cellulose fibre works is contained non-formaldehyde resin processing agent and the resin finishing usefulness treatment fluid of catalyst, heat-treat the processing method of the morphological stability cellulose fibre works that makes resin finishing agent and fibrin reaction, above-mentioned treatment fluid give preceding or heat treatment after, use the chemical treatments cellulose fibre works contain photochemical catalyst.
Here, as cellulose fibre works of the present invention, can enumerate fabric, compile thing, nonwoven fabric etc.As the cellulose fibre that constitutes these fiber structures, can enumerate the native cellulose fibre of cotton, fiber crops etc., the regenerated celulose fibre of viscose rayon, cuprammonium rayon (cuprammonium rayon), テ Application セ Le (refined cellulose), koplon etc., the semi-regenerated fibre cellulose fiber of acetic acid esters etc.Wherein, consider, especially preferably contain more than the cotton fiber 30 quality %, particularly more than the 50 quality %, can be particularly suitable for using the fiber structure of cotton fiber 100 quality % from the viewpoint of water imbibition, hygroscopicity, feel etc.
To these cellulose fibre works, can implement as required in advance to singe, known processing such as destarch, kiering, bleaching, mercerising processing.In addition, this cloth also can dye or stamp.
Processing method of the present invention is used the above-mentioned fiber structure of chemical treatments that contains photochemical catalyst, makes photochemical catalyst attached on the fiber structure.This occasion is used the processing of the chemicals that contains photochemical catalyst, carries out before giving the resin finishing agent or after the heat treatment.By using photochemical catalyst, can utilize photochemical catalyst to prevent to use non-formaldehyde resin, particularly glyoxal is worrying stink compositions such as the amine of fibre structure deposits yields of occasion of non-formaldehyde resin processing is smelly, can further improve comfortableness.
Before giving the resin finishing agent, use the chemicals that contains photochemical catalyst to handle the occasion of (preliminary treatment), elder generation carries out drying after above-mentioned fiber structure is contained the chemicals (aqueous dispersions) of photochemical catalyst, makes and adheres to photochemical catalyst on the fiber structure.
Here, as the photochemical catalyst that uses among the present invention, for example can enumerate titanium oxide, iron oxide, zinc oxide, tungstic acid, bismuth oxide, strontium titanates, cadmium oxide, cerium oxide, contain silica composite titanium oxide etc., these can use slurried catalyst, pasty state catalyst and the grained catalyst that is dispersed in water, the alcohol etc. arbitrarily.
Among the present invention, have easy use and effect in mind, be particularly suitable for using titanium oxide and contain the silica composite titanium oxide.The crystal type of titanium oxide can be enumerated Detitanium-ore-type, rutile-type, and brookite type etc., the titanium oxide of any system of crystallization as long as have the photochemical catalyst performance, then can be fit to use.
The use amount of photochemical catalyst with respect to the quality of fiber structure (being untreated), is pressed the preferred 0.1-5 quality of solid component concentration %, preferred especially 0.5-4 quality %.The adhesion amount of photochemical catalyst is not brought into play deodorizing effect very little the time sometimes, and when too many, feel is hardened, and grey cloth intensity reduces sometimes, the color albefaction.
The method that makes fiber structure adhere to photochemical catalyst so long as can make fiber structure adhere to above-mentioned chemicals, then can be any method, can adopt the baking method of rolling, known method such as method in rubbing method, spray-on process, the bath.Wherein consider the preferred especially baking method of rolling of using from the viewpoint of operation or good economy performance.
The processing of baking method is rolled in employing, fiber structure is immersed in the chemicals that contains photochemical catalyst, in order to make photochemical catalyst become above-mentioned scope to the adhesion amount of fiber structure, for example press the pick-up rate jam of 50-70%, at baking temperature 90-170 ℃, especially handled 1-3 minute down at 100-150 ℃, particularly handled 1-2 minute, make fiber structure adhere to chemicals.Here, when baking temperature is too low, prolong the operation reduction drying time sometimes.
Then, above-mentioned fiber structure is contained non-formaldehyde resin processing agent and the resin finishing treatment fluid (aqueous dispersions) with catalyst, make fiber structure impregnation treatment fluid.
Among the present invention,, it is characterized in that using and dissociate the non-formaldehyde resin processing agent of formaldehyde the fiber structure after processed not as the resin finishing agent.As non-formaldehyde resin, can enumerate N, the glyoxal of N '-dimethyl dihydroxy ethylidene-urea etc. is that the polybasic carboxylic acid of non-formaldehyde resin, citric acid, BTCA, maleic acid, oxalic acid, adipic acid etc. is non-formaldehyde resin, the epoxy of ethylene glycol diglycidylether, diethylene glycol diglycidyl ether, propylene glycol diglycidylether etc. is non-formaldehyde resin, and the sulfone of BHES (two beta-hydroxy ethyl sulfone) etc. is a non-formaldehyde resin etc.Wherein, the low or variable color of preferred whiteness, the few glyoxal of feel sclerosis are the N of resin, N '-dimethyl dihydroxy ethylidene-urea.
The resin finishing agent is to the adhesion amount of cellulose fibre works, and with respect to the quality of the cellulose fibre works (being untreated) of implementing processing, preferably becoming the solid branch is 10-30 quality %, is more preferably 15-20 quality %.Adhesion amount can not be given full play to the effect of resin finishing very little the time sometimes, and when too many, sometimes along with resin finishing, the intensity of fiber structure reduces or obviously produces foreign odor.In order to obtain morphological stability, the concentration of the resin that expectation gives is to keep the maximum concentration of practical intensity.
The treatment fluid that uses among the present invention in order to improve resin finishing agent and cellulosic reactivity, promptly carries out resin finishing, so add the resin finishing catalyst.As this catalyst, so long as the catalyst that common resin finishing is used does not then have particular restriction, for example, can enumerate ammonium fluoroborate, sodium fluoborate, potassium fluoborate, zinc fluoroborate, the fluorine boronated compound of fluoboric acid magnesium etc., magnesium chloride, magnesium sulfate, the inorganic metal salt catalyst of magnesium nitrate etc., phosphoric acid, hydrochloric acid, sulfuric acid, sulfurous acid, hydrosulfurous acid, the inorganic acid of boric acid etc. etc.These catalyst can also and be used as the organic acid etc. of the citric acid, tartaric acid, malic acid, maleic acid etc. of co-catalyst as required.
Above-mentioned resin finishing is with the use amount of catalyst, and with respect to the resin finishing agent, preferred 1-6 quality % is more preferably 1-2 quality %.The use amount of catalyst is not carried out cross-linking reaction very little the time sometimes, and when too many, grey cloth produces aging sometimes.In order to obtain morphological stability, the catalyst concn that expectation gives is the maximum concentration that can keep practical intensity.
In addition, in the treatment fluid, as required, can add the auxiliary agent of the reaction that is used for carrying out smoothly cellulose and resin finishing agent.That is, auxiliary agent is to promote resin finishing agent and cellulosic reaction, also plays the reaction dissolvent that reacts equably in the generation cross-linking reaction, and the material that makes cellulose swelling action etc. is arranged again.
As above-mentioned auxiliary agent, for example, can enumerate glycerine, ethylene glycol, polyethylene glycol, the polyalcohols of polypropylene glycol etc., ethylene glycol monoethyl ether, diethylene glycol monoethyl ether, glycol monoethyl ether, diethylene glycol monomethyl ether, the ether alcohol class of diethylene glycol monobutyl ether etc., dimethyl formamide, morpholine, 2-Pyrrolidone, dimethylacetylamide, the nitrogen-containing solvent class of N-Methyl pyrrolidone etc., ethyl acetate, isopropyl acetate, butyl acetate, amyl acetate, acetic acid glycol monoethyl ether, the acetic acid ethylene glycol monoethyl ether, the ester class of gamma-butyrolacton etc. etc.
In addition, in the treatment fluid of the present invention, except that mentioned component, can also add the softener adjusting feel and use as required, as the surfactant of bleeding agent etc.
The method that the cellulose fibre works is given above-mentioned treatment fluid does not have particular restriction, can adopt the common baking method of rolling, rubbing method, spray-on process, known method such as method in the bath.Wherein especially consider, can preferably adopt the baking method of rolling of using stenter from the viewpoint of operation or good economy performance.
Roll in the baking method, be preferably in the treatment fluid of resinous processing agent and catalyst behind the impregnation of fibers works, for example press the pick-up rate jam of 50-120%, at baking temperature 80-130 ℃, preferred especially 90-110 ℃ processing time 1-10 minute, dry moisture under preferred 1-3 minute the condition makes resin finishing agent and catalyst become the adhesion amount of above-mentioned scope with respect to fiber structure especially.Baking temperature is a low temperature as far as possible preferably, but when being lower than 90 ℃, must be long-time dry, when surpassing 130 ℃, resin finishing agent is sometimes moved, and problems such as resin finishing agent uneven distribution occur, can not obtain desired morphological stability.
After rolling baking, in order to make resin and cellulose crosslinked, must heat treatment (baking), heat-treat condition is 140-170 ℃, preferred 150-160 ℃ temperature, 2-10 minute, preferably 2-6 minute.The baking machine that heat treatment is used does not have particular determination yet, can use stenter.But consider from operation or cost aspect, preferably after drying, then use stenter to heat-treat.Heat treatment temperature and time are depended on the kind of resin, the resin use amount, and the kind of catalyst, addition of catalyst etc., but heat treatment temperature is when being lower than 140 ℃, reaction is carried out slack-off, when surpassing 170 ℃, produces the improper problem of grey cloth flavescence etc. sometimes.
The fiber structure that heat treatment obtains preferably through washing the loose resin finishing agent of flush away etc., is regulated pH through using the washings that neutralize such as sodium carbonate.
Roll the baking back in case make, heat-treat this occasion after also can making, heat-treat condition can be roughly the same, but owing to making/wash after the heat treatment, and or give the photochemical catalyst difficulty, so can when preliminary treatment, adhere to photochemical catalyst in advance, carry out resin finishing.
The present invention can also use the processing (post processing) of the chemicals that contains photochemical catalyst after heat treatment except that above-mentioned method.The treatment conditions of this occasion can be same as described above.
In addition, in the chemicals that the present invention uses except that mentioned component, also can be as required, contain softener that the adjustment feel uses, deodorant, cloth hard finishing agent, Functional Chemicals etc.
At last, also can dye as required, napping, soft finish processing etc.
If adopt processing method of the present invention, not only be non-formaldehyde, and keep sufficient whiteness, and can give high wrinkle resistance to the cellulose fibre works.In addition, as described later, the cellulose fibre works that adopts the inventive method to make because washing resistance is good, can reach high W﹠amp; W, the amine that produces glyoxal hardly and be non-formaldehyde resin is smelly, so can claim that practical value is high.
The specific embodiment
Below, enumerate embodiment and comparative example is described more specifically the present invention, but the present invention is not limited by following embodiment.
Embodiment 1
Adopt usual method with cotton 100% through 40 yarn flat fabric of 50 * latitude (148 pieces/inch of warp counts, 70 pieces/inch of weft counts) bleaching ,-34 ℃ carry out 10 second the liquefied ammonia dipping, liquefied ammonia is removed in the mistake thermal evaporation then.
Use the multistage stenter to adopt to this fabric and roll the non-formaldehyde resin treatment fluid that baking method (100 ℃ * 120 seconds) gives prescription shown in the table 1, then use the multistage stenter to carry out baking in 160 ℃ * 2 minutes, after the washing, the chemicals of prescription shown in the use table 2 adopts and rolls baking method (120 ℃ * 1 minute) enforcement post processing, carries out wrinkle resistant processing.
Resin adhesion amount with respect to fabric is 18 quality %, and the adhesion amount of photochemical catalyst is 1.5 quality %.
Table 1
| Resin formula | Concentration |
| Glyoxal is a resin | Off イ Network サ プ レ ッ ト NF (BASF system) | 280g/l |
| Acidic catalyst | Zn(BF
4)
2(gloomy field chemistry system)
| 42g/l |
| Softener | Off ア イ Application テ ッ Network ス PE140 (big Japanese ink system) | 20g/l |
| Softener | エ ヴ ア Off ア ノ one Le N-7 (solar corona chemistry system) | 20g/l |
Table 2
| The post processing prescription | Concentration |
| Photochemical catalyst * | FIS02FS (clear and electrician's system) | 20g/l |
| Softener | シ リ コ one ラ Application 810M-50 (a side society system) | 20g/l |
| Can make improving agent | Off ア イ Application テ ッ Network ス PE140 (big Japanese ink system) | 20g/l |
* contain silica composite titanium oxide slurry
Adopt following method to estimate W﹠amp to the fabric that makes; W, wrinkle resistance are carried out the foul smell sensory test.The results are shown in table 4.
W﹠amp; W evaluation method: JIS L 1096
Washing/drying method: JIS L217 103 methods/roller drying
Anti-opening: adopt JIS L1096 TENSILE STRENGTH and percentage elongation A method (mark the Schlieren method) to measure
Tear: adopt JIS L1096 tearing strength D method (pendulum method) to measure
The foul smell official can test method: grey cloth 10g is packed in the 200ml flask, and 48 hours solar radiations are carried out in sealing.
<evaluation criterion〉zero: odorless roughly
△: foul smell slightly
*: the foul smell flavor is dense
Embodiment 2
Except making drying is 130 ℃ * 60 seconds, and making baking is that other are handled similarly to Example 1, similarly estimate outside 160 ℃ * 2 minutes the condition.The results are shown in table 4.
Embodiment 3
Except making baking is that other are handled similarly to Example 1, similarly estimate 145 ℃ * 4 minutes the condition.The results are shown in table 4.
Comparative example 1
Except do not add photochemical catalyst in the post processing prescription, other are handled similarly to Example 1, similarly estimate.The results are shown in table 4.
Comparative example 2
(Off レ ッ シ ュ シ ラ イ マ ッ FS-500M (loose tail medicine industry system) the replacement photochemical catalyst, other are handled similarly to Example 1, similarly estimate except add natural deodorant in the post processing prescription of following table 3.The results are shown in table 4.
Table 3
| The post processing prescription | Concentration |
| Natural deodorant | Off レ ッ シ ュ シ ラ イ マ ッ FS-500M (loose tail medicine industry) | 50g/l |
| Softener | シ リ コ one ラ Application 810M-50 (a side society system) | 20g/l |
| Can make improving agent | Off ア イ Application テ ッ Network ス PE140 (big Japanese ink system) | 10g/l |
Table 4
| | W﹠W (level) | Anti-open (kg) | Tear (g) | The foul smell official can test |
| Embodiment 1 | 3.1 | 32.8 | 950 | ○ |
| Embodiment 2 | 2.9 | 38.0 | 1120 | ○ |
| Embodiment 3 | 3.1 | 24.0 | 650 | ○ |
| Comparative example 1 | 3.1 | 32.8 | 950 | × |
| Comparative example 2 | 3.1 | 33.2 | 960 | × |
Embodiment 4
Adopt usual method that cotton 100% is bleached through 40 yarn flat fabric of 50 * latitude (148 pieces/inch of warp counts, 70 pieces/inch of weft counts),, cross thermal evaporation then and remove liquefied ammonia at-34 ℃ of dipping liquefied ammonia in 10 second.
Using the employing of multistage stenter to roll baking method (120 ℃ * 60 seconds) to this fabric gives the pretreating agent shown in the table 5, then uses the multistage stenter to adopt and roll the non-formaldehyde resin treatment fluid that baking method (100 ℃ * 120 seconds) gives table 6.Then, after severing is made, use trolley conveyer formula apparatus for baking to carry out wrinkle resistant processing through baking (150 ℃ * 6 minutes).
Resin adhesion amount to fabric is 18 quality %, and the adhesion amount of photochemical catalyst is 1.5 quality %.
Table 5
| The preliminary treatment prescription | Concentration |
| Photochemical catalyst | FIS02FS (clear and electrician's system) | 20g/l |
Table 6
| Resin formula | Concentration |
| Glyoxal is a resin | Off イ Network サ プ レ ッ ト NF (BASF system) | 280g/l |
| Acidic catalyst | Zn(BF
4)
2(gloomy field chemistry system)
| 28g/l |
| Softener | Off ア イ Application テ ッ Network ス PE140 (big Japanese ink system) | 20g/l |
| Softener | エ ヴ ア Off ア ノ one Le N-7 (solar corona chemistry system) | 10g/l |
| Softener | シ リ コ one ラ Application 810M-50 (a side society system) | 30g/l |
Adopt method similarly to Example 1 to estimate W﹠amp to the fabric that makes; W, wrinkle resistance is carried out the foul smell official and can be tested.The results are shown in table 9.
Comparative example 3
Except not carrying out preliminary treatment, handle similarly to Example 4, similarly estimate.The results are shown in table 9.
Comparative example 4
Except the pretreating agent of table 7 expression, handle similarly to Example 4, similarly estimate.The results are shown in table 9.
Table 7
| The preliminary treatment prescription | Concentration |
| Natural deodorant | Off レ ッ シ ュ シ ラ イ マ ッ FS-500M (loose tail medicine industry system) | 50g/l |
Comparative example 5
Except the resin treatment liquid of not preliminary treatment and table 8, handle similarly to Example 4, similarly estimate.The results are shown in table 9.
Table 8
| Resin formula | Concentration |
| Glyoxal is a resin | Off イ Network サ プ レ ッ ト NF (BASF system) | 280g/l |
| Acidic catalyst | Condensol N (BASF system) | 84g/l |
| Softener | Off ア イ Application テ ッ Network ス PE140 (big Japanese ink system) | 20g/l |
| Softener | エ ヴ ア Off ア ノ one Le N-7 (solar corona chemistry system) | 10g/l |
| Suction type softener | シ リ コ one ラ Application 810M-50 (a side society system) | 30g/l |
Table 9
| | W﹠W (level) | Anti-open (kg) | Tear (g) | The foul smell official can test |
| Embodiment 4 | 3.1 | 34.3 | 790 | ○ |
| Comparative example 3 | 3.1 | 36.0 | 980 | × |
| Comparative example 4 | 3.1 | 34.0 | 880 | × |
| Comparative example 5 | 2.3 | 34.0 | 870 | × |