Summary of the invention
Technical problem to be solved by this invention is to provide a kind of felt proofing anti-shrink finish method of wool fabric, uniformity and longitudinal uniformity inside and outside its yarn that effectively can improve wool surfaces desquamation, can not only anti-felting effect be improved, and machine washable object can be realized.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of felt proofing anti-shrink finish method of wool fabric, is characterized in that comprising the following steps:
1. gentle chlorination preliminary treatment under ul-trasonic irradiation: wool fabric being immersed concentration is carry out gentle chlorination preliminary treatment in the chlorated liquid of 1 ~ 2%; Treatment conditions: the frequency of the ultrasonic processor adopted is set to 15 ~ 40kHz, treatment temperature is 20 ~ 35 DEG C, and the processing time is 10 ~ 50 minutes, and the consumption of the chlorinating agent adopted is 1 ~ 2% of the weight of wool fabric;
2. reduction dechlorination process: add reductant and carry out reduction dechlorination process in the chlorated liquid being soaked with wool fabric; Treatment conditions: the consumption of reductant is 4 ~ 7% of the weight of wool fabric, and pH value is adjusted to 6 ~ 8.5, treatment temperature is 20 ~ 35 DEG C, and the processing time is 20 ~ 60 minutes;
3. ferment treatment under ul-trasonic irradiation: add protease in the solution after 2. processing through step and carry out ferment treatment; Treatment conditions: the frequency of the ultrasonic processor adopted is set to 15 ~ 40kHz, the consumption of protease is 0.5 ~ 2.0% of the weight of wool fabric, and pH value is adjusted to 6 ~ 8.5, and treatment temperature is 30 ~ 55 DEG C, and the processing time is 30 ~ 60 minutes;
4. enzyme deactivation process: raising treatment temperature makes the protease inactivation in the solution after 3. step processes; Treatment conditions: treatment temperature is 50 ~ 80 DEG C, the processing time is 5 ~ 20 minutes;
5. dry.
Described step 1. in chlorinating agent be Basolan 88.
Described step 2. in reductant be sodium hydrogensulfite or sodium sulfite.
Described step 3. in protease be Novi letter protease.
Described step 4. in add emulsifying agent in solution in enzyme deactivation processing procedure after 3. processing through step and make the reaction of protease more even.
Described emulsifying agent adopts non-ionic surface active agent.
Described non-ionic surface active agent is paregal O, and the concentration of described paregal O is 0.5 ~ 2 % of the weight for wool fabric.
Described step 5. in oven dry complete in industrial roller oven, bake out temperature and drying time are by the thickness of handled wool fabric and type decided.
When described wool fabric is pure wool woven Heavy fabric, described step 1. in the frequency of ultrasonic processor is set to 15 ~ 40kHz, the processing time is 30 ~ 50 minutes, 2. the middle processing time is 20 ~ 60 minutes to described step, described step 3. in the frequency of ultrasonic processor be set to 15 ~ 40kHz, the consumption of protease is 0.5 ~ 2.0% of the weight of wool fabric, and the processing time is 30 ~ 60 minutes;
When described wool fabric is pure wool woven slim underlinen fabric, described step 1. in the frequency of ultrasonic processor is set to 15 ~ 20kHz, the processing time is 10 ~ 30 minutes, 2. the middle processing time is 20 ~ 40 minutes to described step, described step 3. in the frequency of ultrasonic processor be set to 15 ~ 20kHz, the consumption of protease is 0.5 ~ 1.0% of the weight of wool fabric, and the processing time is 30 ~ 50 minutes.
Compared with prior art, the invention has the advantages that:
1) the inventive method first carries out chlorination preliminary treatment to wool fabric under ul-trasonic irradiation, realize gentle stripping squama process, under ul-trasonic irradiation, ferment treatment is carried out to wool fabric again and realize the process of controlled stripping squama, effectively improve the inside and outside uniformity of the yarn of wool surfaces desquamation, and the combination of chlorination preliminary treatment and ferment treatment, effectively improve the stripping squama uniformity of fiber longitudinal direction, thus reach the anti-felting effect of wool fabric, achieve " machine washable " object of wool fabric, reaction simultaneously in the inventive method is carried out at scale layer, reduce the damage of the cytoplasm to fiber internal layer, what improve wool fabric wears performance and durability degree.
2) the inventive method reduces pollution to environment, reduces processing cost, improves product quality, can be used for industrialization and produces.
3) the inventive method is applicable to all fabrics having scale structure fiber and make, and the weaving structure of fabric can be knitted structure, machine-knitted structure and non-woven structure.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment one:
To the woven Heavy fabric of pure wool (yarn count: 40/3 × 40/2; Density: 148 × 192/10cm; Grammes per square metre: 355g/ m
2) carry out the process of felt proofing anti-shrink finish, concrete processing procedure is:
1. gentle chlorination preliminary treatment under ul-trasonic irradiation: wool fabric being immersed concentration is carry out gentle chlorination preliminary treatment in the chlorated liquid of 1.5%; Treatment conditions: the frequency of the ultrasonic processor adopted is set to 25kHz, treatment temperature is 32 DEG C, and the processing time is 40 minutes, and the consumption of the chlorinating agent adopted is 1.6% of the weight of wool fabric.
In the present embodiment, ultrasonic processor adopts the ultrasonic processor of existing any maturation; Utilize Basolan medicament as chlorinating agent (such as BAOLAN88(Basolan 88), a kind of organochlorine release type compound) scale layer on wool top layer is slowly degraded, make wool top layer become smooth, thus make wool fabric soft, and can shrinkproof anti-pilling.
At this, in chlorination preprocessing process, make use of ultrasonic technology, the pretreated efficiency of wool surfaces can not only be improved, and the consumption of chlorinating agent can be reduced, wool scale produces " opening " under hyperacoustic effect simultaneously, effectively improves stripping squama effect.
In actual process, ultrasonic wave process also can be combined with the gentle processing method such as oxidation, plasma, ozone, laser and realize gentlely shelling squama.
2. reduction dechlorination process: add reductant and carry out reduction dechlorination process in the chlorated liquid being soaked with wool fabric; Treatment conditions: the consumption of reductant is 5.5% of the weight of wool fabric, and pH value is adjusted to 7, treatment temperature is 28 DEG C, and the processing time is 40 minutes.
In the present embodiment, sodium hydrogensulfite (NaHSO is adopted
3) or sodium sulfite (Na
2sO
3) as reductant, in order in and chlorinating agent.
3. ferment treatment under ul-trasonic irradiation: add protease in the solution after 2. processing through step and carry out ferment treatment; Treatment conditions: the frequency of the ultrasonic processor adopted is set to 25kHz, the consumption of protease is 1.0% of the weight of wool fabric, and pH value is adjusted to 7, and treatment temperature is 40 DEG C, and the processing time is 45 minutes.
Protease is a kind of biocatalyst with high catalytic efficiency and substrate specificity high specificity, its catalytic condition quite gentle (temperature is generally 30 ~ 60 DEG C), can Reusability, and discharge occurring in nature can natural degradation.Wool fabric after Protease Treatment has following characteristics and performance: the feel obtaining permanent soft; Gloss significantly improves; Anti-pilling property obviously improves.Therefore, proteases on wool fabric is adopted to carry out ferment treatment in the present invention.In the present embodiment, protease adopts Novi letter protease Savinase 16.
4. enzyme deactivation process: raising treatment temperature makes the protease inactivation in the solution after 3. step processes; Treatment conditions: treatment temperature is 60 DEG C, the processing time is 15 minutes.
In the present embodiment, can add emulsifying agent in solution after 3. processing through step in enzyme deactivation processing procedure makes the reaction of protease more even, as adopted the paregal O in non-ionic surface active agent, the dispersiveness of protease can be improved after adding paregal O (concentration is 0.5 ~ 2 %), thus make the reaction of protease more even.
5. dry, drying and processing completes in industrial roller oven, and thickness and the type of bake out temperature and drying time and handled wool fabric are relevant.
Embodiment two:
To the woven Heavy fabric of pure wool (yarn count: 40/3 × 40/2; Density: 148 × 192/10cm; Grammes per square metre: 355g/ m
2) carry out the process of felt proofing anti-shrink finish, concrete processing procedure is:
1. gentle chlorination preliminary treatment under ul-trasonic irradiation: wool fabric being immersed concentration is carry out gentle chlorination preliminary treatment in the chlorated liquid of 1%; Treatment conditions: the frequency of the ultrasonic processor adopted is set to 15kHz, treatment temperature is 20 DEG C, and the processing time is 30 minutes, and the consumption of the chlorinating agent adopted is 1% of the weight of wool fabric.
2. reduction dechlorination process: add reductant and carry out reduction dechlorination process in the chlorated liquid being soaked with wool fabric; Treatment conditions: the consumption of reductant is 4% of the weight of wool fabric, and pH value is adjusted to 6, treatment temperature is 20 DEG C, and the processing time is 60 minutes.
3. ferment treatment under ul-trasonic irradiation: add protease in the solution after 2. processing through step and carry out ferment treatment; Treatment conditions: the frequency of the ultrasonic processor adopted is set to 15kHz, the consumption of protease is 0.5% of the weight of wool fabric, and pH value is adjusted to 6, and treatment temperature is 30 DEG C, and the processing time is 60 minutes.
4. enzyme deactivation process: raising treatment temperature makes the protease inactivation in the solution after 3. step processes; Treatment conditions: treatment temperature is 50 DEG C, the processing time is 20 minutes.
In the present embodiment, can add emulsifying agent in solution after 3. processing through step in enzyme deactivation processing procedure makes the reaction of protease more even, as adopted the paregal O in non-ionic surface active agent, the dispersiveness of protease can be improved after adding paregal O (concentration is 0.5 ~ 2 %), thus make the reaction of protease more even.
5. dry, drying and processing completes in industrial roller oven, and thickness and the type of bake out temperature and drying time and handled wool fabric are relevant.
Embodiment three:
To the woven Heavy fabric of pure wool (yarn count: 40/3 × 40/2; Density: 148 × 192/10cm; Grammes per square metre: 355g/ m
2) carry out the process of felt proofing anti-shrink finish, concrete processing procedure is:
1. gentle chlorination preliminary treatment under ul-trasonic irradiation: wool fabric being immersed concentration is carry out gentle chlorination preliminary treatment in the chlorated liquid of 2%; Treatment conditions: the frequency of the ultrasonic processor adopted is set to 40kHz, treatment temperature is 35 DEG C, and the processing time is 50 minutes, and the consumption of the chlorinating agent adopted is 2% of the weight of wool fabric.
2. reduction dechlorination process: add reductant and carry out reduction dechlorination process in the chlorated liquid being soaked with wool fabric; Treatment conditions: the consumption of reductant is 7% of the weight of wool fabric, and pH value is adjusted to 8.5, treatment temperature is 35 DEG C, and the processing time is 20 minutes.
3. ferment treatment under ul-trasonic irradiation: add protease in the solution after 2. processing through step and carry out ferment treatment; Treatment conditions: the frequency of the ultrasonic processor adopted is set to 40kHz, the consumption of protease is 2.0% of the weight of wool fabric, and pH value is adjusted to 8.5, and treatment temperature is 55 DEG C, and the processing time is 30 minutes.
4. enzyme deactivation process: raising treatment temperature makes the protease inactivation in the solution after 3. step processes; Treatment conditions: treatment temperature is 80 DEG C, the processing time is 5 minutes;
In the present embodiment, can add emulsifying agent in solution after 3. processing through step in enzyme deactivation processing procedure makes the reaction of protease more even, as adopted the paregal O in non-ionic surface active agent, the dispersiveness of protease can be improved after adding paregal O (concentration is 0.5 ~ 2 %), thus make the reaction of protease more even.
5. dry, drying and processing completes in industrial roller oven, and thickness and the type of bake out temperature and drying time and handled wool fabric are relevant.
Embodiment four:
To the woven slim underlinen fabric (yarn count: 72/2 of pure wool; Density: 258 × 211/10cm; Grammes per square metre: 210g/m
2) carry out the process of felt proofing anti-shrink finish, concrete processing procedure is:
1. gentle chlorination preliminary treatment under ul-trasonic irradiation: wool fabric being immersed concentration is carry out gentle chlorination preliminary treatment in the chlorated liquid of 1.5%; Treatment conditions: the frequency of the ultrasonic processor adopted is set to 18kHz, treatment temperature is 25 DEG C, and the processing time is 20 minutes, and the consumption of the chlorinating agent adopted is 1.5% of the weight of wool fabric.
2. reduction dechlorination process: add reductant and carry out reduction dechlorination process in the chlorated liquid being soaked with wool fabric; Treatment conditions: the consumption of reductant is 5% of the weight of wool fabric, and pH value is adjusted to 7, treatment temperature is 25 DEG C, and the processing time is 30 minutes.
3. ferment treatment under ul-trasonic irradiation: add protease in the solution after 2. processing through step and carry out ferment treatment; Treatment conditions: the frequency of the ultrasonic processor adopted is set to 18kHz, the consumption of protease is 0.8% of the weight of wool fabric, and pH value is adjusted to 7, and treatment temperature is 40 DEG C, and the processing time is 40 minutes.
4. enzyme deactivation process: raising treatment temperature makes the protease inactivation in the solution after 3. step processes; Treatment conditions: treatment temperature is 65 DEG C, the processing time is 15 minutes.
5. dry, drying and processing completes in industrial roller oven, and thickness and the type of bake out temperature and drying time and handled wool fabric are relevant.
Embodiment five:
To the woven slim underlinen fabric (yarn count: 72/2 of pure wool; Density: 258 × 211/10cm; Grammes per square metre: 210g/m
2) carry out the process of felt proofing anti-shrink finish, concrete processing procedure is:
1. gentle chlorination preliminary treatment under ul-trasonic irradiation: wool fabric being immersed concentration is carry out gentle chlorination preliminary treatment in the chlorated liquid of 1%; Treatment conditions: the frequency of the ultrasonic processor adopted is set to 15kHz, treatment temperature is 20 DEG C, and the processing time is 30 minutes, and the consumption of the chlorinating agent adopted is 1% of the weight of wool fabric.
2. reduction dechlorination process: add reductant and carry out reduction dechlorination process in the chlorated liquid being soaked with wool fabric; Treatment conditions: the consumption of reductant is 4% of the weight of wool fabric, and pH value is adjusted to 6, treatment temperature is 20 DEG C, and the processing time is 40 minutes.
3. ferment treatment under ul-trasonic irradiation: add protease in the solution after 2. processing through step and carry out ferment treatment; Treatment conditions: the frequency of the ultrasonic processor adopted is set to 15kHz, the consumption of protease is 0.5% of the weight of wool fabric, and pH value is adjusted to 6, and treatment temperature is 30 DEG C, and the processing time is 50 minutes.
4. enzyme deactivation process: raising treatment temperature makes the protease inactivation in the solution after 3. step processes; Treatment conditions: treatment temperature is 50 DEG C, the processing time is 20 minutes.
5. dry, drying and processing completes in industrial roller oven, and thickness and the type of bake out temperature and drying time and handled wool fabric are relevant.
Embodiment six:
To the woven slim underlinen fabric (yarn count: 72/2 of pure wool; Density: 258 × 211/10cm; Grammes per square metre: 210g/m
2) carry out the process of felt proofing anti-shrink finish, concrete processing procedure is:
1. gentle chlorination preliminary treatment under ul-trasonic irradiation: wool fabric being immersed concentration is carry out gentle chlorination preliminary treatment in the chlorated liquid of 2%; Treatment conditions: the frequency of the ultrasonic processor adopted is set to 20kHz, treatment temperature is 35 DEG C, and the processing time is 10 minutes, and the consumption of the chlorinating agent adopted is 2% of the weight of wool fabric.
2. reduction dechlorination process: add reductant and carry out reduction dechlorination process in the chlorated liquid being soaked with wool fabric; Treatment conditions: the consumption of reductant is 7% of the weight of wool fabric, and pH value is adjusted to 8.5, treatment temperature is 35 DEG C, and the processing time is 20 minutes.
3. ferment treatment under ul-trasonic irradiation: add protease in the solution after 2. processing through step and carry out ferment treatment; Treatment conditions: the frequency of the ultrasonic processor adopted is set to 20kHz, the consumption of protease is 1.0% of the weight of wool fabric, and pH value is adjusted to 8.5, and treatment temperature is 55 DEG C, and the processing time is 30 minutes.
4. enzyme deactivation process: raising treatment temperature makes the protease inactivation in the solution after 3. step processes; Treatment conditions: treatment temperature is 80 DEG C, the processing time is 8 minutes.
5. dry, drying and processing completes in industrial roller oven, and thickness and the type of bake out temperature and drying time and handled wool fabric are relevant.
Contrast each embodiment above-mentioned, known for slim wool fabric, the frequency of ultrasonic processor, processing time in chlorination preprocessing process, processing time in reduction dechlorination process, the reduction that the consumption of the frequency of ultrasonic processor, processing time, enzyme all should be suitable relative to Heavy fabric in ferment treatment.
For validity and the feasibility of the inventive method are described, to the woven Heavy fabric of the pure wool (yarn count: 40/3 × 40/2 after the inventive method arrangement; Density: 148 × 192/10cm; Grammes per square metre: 355g/ m
2) and test carrying out washing under the washing test condition of the woven Heavy fabric of pure wool at International Wool Secretariat TM31 after the processing of traditional chloridizing, experimental result is as listed in table 1.
The washing result of the pure wool woven Heavy fabric of table 1 after the inventive method arranges and the woven Heavy fabric of pure wool after the processing of traditional chloridizing
As can be seen from Table 1, the maximum length of the woven Heavy fabric of pure wool after the inventive method arranges and shrinkage in width rate for being no more than 3%, fracture strength loss late is no more than 10%, and change color is not obvious, utilize the use amount (for barlan element 88) of chlorinating agent during the pure wool of the inventive method process woven Heavy fabric to be no more than 2% simultaneously, and the use amount (for barlan element 88) of chlorinating agent, more than 5%, illustrates that the inventive method effectively can reduce the pollution to environment during traditional pure wool of chloridizing process woven Heavy fabric.
Fig. 1 give through the inventive method arrange after the woven Heavy fabric of pure wool yarn in surfoyl stripped shape condition (scanning electron microscope (SEM) photograph), Fig. 2 give through traditional chloridizing processing after the woven Heavy fabric of pure wool yarn in surfoyl stripped shape condition (scanning electron microscope (SEM) photograph), comparison diagram 1 and Fig. 2, can find out through the inventive method arrange after the woven Heavy fabric of pure wool yarn in surfoyl peel off more even.