Summary of the invention
Technical problem to be solved by this invention provides a kind of felt proofing anti-shrink finish method of wool fabric, its can the desquamation of Effective Raise wool surfaces the inside and outside uniformity of yarn and longitudinal uniformity, anti-felting effect not only can be improved, and the machine washable purpose can be realized.
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of felt proofing anti-shrink finish method of wool fabric is characterized in that may further comprise the steps:
1. gentle chlorination preliminary treatment under ul-trasonic irradiation: it is to carry out gentle chlorination preliminary treatment in 1~2% the chlorated liquid that wool fabric is immersed concentration; Treatment conditions: the frequency of the ultrasonic processor that adopts is made as 15~40kHz, and treatment temperature is 20~35 ℃, and the processing time is 10~50 minutes, the consumption of the chlorinating agent that adopts be wool fabric weight 1~2%;
2. reduction dechlorination is processed: add reductant and carry out the reduction dechlorination processing in being soaked with the chlorated liquid of wool fabric; Treatment conditions: the consumption of reductant be wool fabric weight 4~7%, pH value is adjusted to 6~8.5, treatment temperature is 20~35 ℃, the processing time is 20~60 minutes;
3. enzyme is processed under ul-trasonic irradiation: add protease and carry out the enzyme processing in the solution after 2. step is processed; Treatment conditions: the frequency of the ultrasonic processor that adopts is made as 15~40kHz, the consumption of protease be wool fabric weight 0.5~2.0%, pH value is adjusted to 6~8.5, treatment temperature is 30~55 ℃, the processing time is 30~60 minutes;
4. enzyme deactivation is processed: improve treatment temperature and make protease inactivation in the solution after 3. step is processed; Treatment conditions: treatment temperature is 50~80 ℃, and the processing time is 5~20 minutes;
5. oven dry.
The chlorinating agent of described step in 1. is Basolan 88.
The reductant of described step in 2. is sodium hydrogensulfite or sodium sulfite.
The protease of described step in 3. is Novi's letter protease.
Described step adds emulsifying agent in the enzyme deactivation processing procedure in 4. in the solution after 3. step is processed makes 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 for being 0.5~2 % of the weight of wool fabric.
The oven dry of described step in 5. finished in industrial cylinder baking oven, and bake out temperature and drying time are by thickness and the type decided of handled wool fabric.
When described wool fabric is the woven thick and heavy shell fabric of pure wool, described step 1. in the frequency of ultrasonic processor to be made as 15~40kHz, processing time be 30~50 minutes, 2. the middle processing time is 20~60 minutes to described step, the described step 3. frequency of middle ultrasonic processor is made as 15~40kHz, the consumption of protease be wool fabric weight 0.5~2.0%, the processing time is 30~60 minutes;
When described wool fabric is the woven slim underlinen fabric of pure wool, described step 1. in the frequency of ultrasonic processor to be made as 15~20kHz, processing time be 10~30 minutes, 2. the middle processing time is 20~40 minutes to described step, the described step 3. frequency of middle ultrasonic processor is made as 15~20kHz, the consumption of protease be wool fabric weight 0.5~1.0%, the processing time is 30~50 minutes.
Compared with prior art, the invention has the advantages that:
1) the inventive method is carried out the chlorination preliminary treatment to wool fabric first under ul-trasonic irradiation, realize gentle stripping squama processing, under ul-trasonic irradiation, wool fabric is carried out enzyme again and process the controlled stripping squama processing of realization, effectively improved the inside and outside uniformity of the yarn of wool surfaces desquamation, and the combination that chlorination preliminary treatment and enzyme are processed, effectively improve fiber and shelled longitudinally the squama uniformity, thereby reached the anti-felting effect of wool fabric, realized " machine washable " purpose of wool fabric, the simultaneously reaction in the inventive method is carried out at scale layer, reduced the damage to the cytoplasm of fiber internal layer, that has improved wool fabric wears performance and durability degree.
2) the inventive method has reduced pollution to environment, has reduced processing cost, has improved product quality, can be used for industrialization production.
3) the inventive method is applicable to all and has the fabric that the scale structure fiber is made, and the weaving structure of fabric can be knitted structure, machine-knitted structure and non-woven structure.
The specific embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
Embodiment one:
To the woven thick and heavy shell fabric (yarn count: 40/3 * 40/2 of pure wool; Density: 148 * 192/10cm; Grammes per square metre: 355g/ m
2) carry out the processing of felt proofing anti-shrink finish, concrete processing procedure is:
1. gentle chlorination preliminary treatment under ul-trasonic irradiation: it is to carry out gentle chlorination preliminary treatment in 1.5% the chlorated liquid that wool fabric is immersed concentration; Treatment conditions: the frequency of the ultrasonic processor that adopts is made as 25kHz, and treatment temperature is 32 ℃, and the processing time is 40 minutes, the consumption of the chlorinating agent that adopts be wool fabric weight 1.6%.
In the present embodiment, ultrasonic processor adopts the ultrasonic processor of existing any maturation; Utilize the 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, so that the wool top layer becomes smooth, thereby so that wool fabric is soft, and can shrinkproof anti-balling-up.
At this, in the chlorination preprocessing process, utilize ultrasonic technology, not only can improve the pretreated efficient of wool surfaces, and can reduce the consumption of chlorinating agent, wool scale produces " opening " under hyperacoustic effect simultaneously, has effectively improved stripping squama effect.
In actual process, ultrasonic wave is processed also can be combined with gentle processing methods such as oxidation, plasma, ozone, laser and is realized gentle stripping squama.
2. reduction dechlorination is processed: add reductant and carry out the reduction dechlorination processing in being soaked with the chlorated liquid of wool fabric; Treatment conditions: the consumption of reductant be wool fabric weight 5.5%, pH value is adjusted to 7, treatment temperature is 28 ℃, the processing time is 40 minutes.
In the present embodiment, adopt sodium hydrogensulfite (NaHSO
3) or sodium sulfite (Na
2SO
3) as reductant, in order in and chlorinating agent.
3. enzyme is processed under ul-trasonic irradiation: add protease and carry out the enzyme processing in the solution after 2. step is processed; Treatment conditions: the frequency of the ultrasonic processor that adopts is made as 25kHz, the consumption of protease be wool fabric weight 1.0%, pH value is adjusted to 7, treatment temperature is 40 ℃, the processing time is 45 minutes.
Protease is a kind of have high catalytic efficiency and narrow spectrum biocatalyst of effect substrate height, and its catalytic condition is gentle (temperature is generally 30~60 ℃) quite, but Reusability, but discharging occurring in nature natural degradation.Wool fabric after the Protease Treatment has following characteristics and performance: the feel that obtains permanent soft; Gloss obviously improves; Anti-pilling property obviously improves.Therefore, adopting in the present invention the proteases on wool fabric to carry out enzyme processes.In the present embodiment, protease adopts the letter protease Savinase of Novi 16.
4. enzyme deactivation is processed: improve treatment temperature and make protease inactivation in the solution after 3. step is processed; Treatment conditions: treatment temperature is 60 ℃, and the processing time is 15 minutes.
In the present embodiment, can add emulsifying agent in the enzyme deactivation processing procedure in the solution after 3. step is processed makes the reaction of protease more even, as adopt paregal O in the non-ionic surface active agent, can improve the dispersiveness of protease behind the adding paregal O (concentration is 0.5~2 %), thereby so that the reaction of protease is more even.
5. oven dry, drying and processing is finished in industrial cylinder baking oven, and bake out temperature is relevant with thickness and the type of drying time and handled wool fabric.
Embodiment two:
To the woven thick and heavy shell fabric (yarn count: 40/3 * 40/2 of pure wool; Density: 148 * 192/10cm; Grammes per square metre: 355g/ m
2) carry out the processing of felt proofing anti-shrink finish, concrete processing procedure is:
1. gentle chlorination preliminary treatment under ul-trasonic irradiation: it is to carry out gentle chlorination preliminary treatment in 1% the chlorated liquid that wool fabric is immersed concentration; Treatment conditions: the frequency of the ultrasonic processor that adopts is made as 15kHz, and treatment temperature is 20 ℃, and the processing time is 30 minutes, the consumption of the chlorinating agent that adopts be wool fabric weight 1%.
2. reduction dechlorination is processed: add reductant and carry out the reduction dechlorination processing in being soaked with the chlorated liquid of wool fabric; Treatment conditions: the consumption of reductant be wool fabric weight 4%, pH value is adjusted to 6, treatment temperature is 20 ℃, the processing time is 60 minutes.
3. enzyme is processed under ul-trasonic irradiation: add protease and carry out the enzyme processing in the solution after 2. step is processed; Treatment conditions: the frequency of the ultrasonic processor that adopts is made as 15kHz, the consumption of protease be wool fabric weight 0.5%, pH value is adjusted to 6, treatment temperature is 30 ℃, the processing time is 60 minutes.
4. enzyme deactivation is processed: improve treatment temperature and make protease inactivation in the solution after 3. step is processed; Treatment conditions: treatment temperature is 50 ℃, and the processing time is 20 minutes.
In the present embodiment, can add emulsifying agent in the enzyme deactivation processing procedure in the solution after 3. step is processed makes the reaction of protease more even, as adopt paregal O in the non-ionic surface active agent, can improve the dispersiveness of protease behind the adding paregal O (concentration is 0.5~2 %), thereby so that the reaction of protease is more even.
5. oven dry, drying and processing is finished in industrial cylinder baking oven, and bake out temperature is relevant with thickness and the type of drying time and handled wool fabric.
Embodiment three:
To the woven thick and heavy shell fabric (yarn count: 40/3 * 40/2 of pure wool; Density: 148 * 192/10cm; Grammes per square metre: 355g/ m
2) carry out the processing of felt proofing anti-shrink finish, concrete processing procedure is:
1. gentle chlorination preliminary treatment under ul-trasonic irradiation: it is to carry out gentle chlorination preliminary treatment in 2% the chlorated liquid that wool fabric is immersed concentration; Treatment conditions: the frequency of the ultrasonic processor that adopts is made as 40kHz, and treatment temperature is 35 ℃, and the processing time is 50 minutes, the consumption of the chlorinating agent that adopts be wool fabric weight 2%.
2. reduction dechlorination is processed: add reductant and carry out the reduction dechlorination processing in being soaked with the chlorated liquid of wool fabric; Treatment conditions: the consumption of reductant be wool fabric weight 7%, pH value is adjusted to 8.5, treatment temperature is 35 ℃, the processing time is 20 minutes.
3. enzyme is processed under ul-trasonic irradiation: add protease and carry out the enzyme processing in the solution after 2. step is processed; Treatment conditions: the frequency of the ultrasonic processor that adopts is made as 40kHz, the consumption of protease be wool fabric weight 2.0%, pH value is adjusted to 8.5, treatment temperature is 55 ℃, the processing time is 30 minutes.
4. enzyme deactivation is processed: improve treatment temperature and make protease inactivation in the solution after 3. step is processed; Treatment conditions: treatment temperature is 80 ℃, and the processing time is 5 minutes;
In the present embodiment, can add emulsifying agent in the enzyme deactivation processing procedure in the solution after 3. step is processed makes the reaction of protease more even, as adopt paregal O in the non-ionic surface active agent, can improve the dispersiveness of protease behind the adding paregal O (concentration is 0.5~2 %), thereby so that the reaction of protease is more even.
5. oven dry, drying and processing is finished in industrial cylinder baking oven, and bake out temperature is relevant with thickness and the type of drying time and handled wool fabric.
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 processing of felt proofing anti-shrink finish, concrete processing procedure is:
1. gentle chlorination preliminary treatment under ul-trasonic irradiation: it is to carry out gentle chlorination preliminary treatment in 1.5% the chlorated liquid that wool fabric is immersed concentration; Treatment conditions: the frequency of the ultrasonic processor that adopts is made as 18kHz, and treatment temperature is 25 ℃, and the processing time is 20 minutes, the consumption of the chlorinating agent that adopts be wool fabric weight 1.5%.
2. reduction dechlorination is processed: add reductant and carry out the reduction dechlorination processing in being soaked with the chlorated liquid of wool fabric; Treatment conditions: the consumption of reductant be wool fabric weight 5%, pH value is adjusted to 7, treatment temperature is 25 ℃, the processing time is 30 minutes.
3. enzyme is processed under ul-trasonic irradiation: add protease and carry out the enzyme processing in the solution after 2. step is processed; Treatment conditions: the frequency of the ultrasonic processor that adopts is made as 18kHz, the consumption of protease be wool fabric weight 0.8%, pH value is adjusted to 7, treatment temperature is 40 ℃, the processing time is 40 minutes.
4. enzyme deactivation is processed: improve treatment temperature and make protease inactivation in the solution after 3. step is processed; Treatment conditions: treatment temperature is 65 ℃, and the processing time is 15 minutes.
5. oven dry, drying and processing is finished in industrial cylinder baking oven, and bake out temperature is relevant with thickness and the type of drying time and handled wool fabric.
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 processing of felt proofing anti-shrink finish, concrete processing procedure is:
1. gentle chlorination preliminary treatment under ul-trasonic irradiation: it is to carry out gentle chlorination preliminary treatment in 1% the chlorated liquid that wool fabric is immersed concentration; Treatment conditions: the frequency of the ultrasonic processor that adopts is made as 15kHz, and treatment temperature is 20 ℃, and the processing time is 30 minutes, the consumption of the chlorinating agent that adopts be wool fabric weight 1%.
2. reduction dechlorination is processed: add reductant and carry out the reduction dechlorination processing in being soaked with the chlorated liquid of wool fabric; Treatment conditions: the consumption of reductant be wool fabric weight 4%, pH value is adjusted to 6, treatment temperature is 20 ℃, the processing time is 40 minutes.
3. enzyme is processed under ul-trasonic irradiation: add protease and carry out the enzyme processing in the solution after 2. step is processed; Treatment conditions: the frequency of the ultrasonic processor that adopts is made as 15kHz, the consumption of protease be wool fabric weight 0.5%, pH value is adjusted to 6, treatment temperature is 30 ℃, the processing time is 50 minutes.
4. enzyme deactivation is processed: improve treatment temperature and make protease inactivation in the solution after 3. step is processed; Treatment conditions: treatment temperature is 50 ℃, and the processing time is 20 minutes.
5. oven dry, drying and processing is finished in industrial cylinder baking oven, and bake out temperature is relevant with thickness and the type of drying time and handled wool fabric.
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 processing of felt proofing anti-shrink finish, concrete processing procedure is:
1. gentle chlorination preliminary treatment under ul-trasonic irradiation: it is to carry out gentle chlorination preliminary treatment in 2% the chlorated liquid that wool fabric is immersed concentration; Treatment conditions: the frequency of the ultrasonic processor that adopts is made as 20kHz, and treatment temperature is 35 ℃, and the processing time is 10 minutes, the consumption of the chlorinating agent that adopts be wool fabric weight 2%.
2. reduction dechlorination is processed: add reductant and carry out the reduction dechlorination processing in being soaked with the chlorated liquid of wool fabric; Treatment conditions: the consumption of reductant be wool fabric weight 7%, pH value is adjusted to 8.5, treatment temperature is 35 ℃, the processing time is 20 minutes.
3. enzyme is processed under ul-trasonic irradiation: add protease and carry out the enzyme processing in the solution after 2. step is processed; Treatment conditions: the frequency of the ultrasonic processor that adopts is made as 20kHz, the consumption of protease be wool fabric weight 1.0%, pH value is adjusted to 8.5, treatment temperature is 55 ℃, the processing time is 30 minutes.
4. enzyme deactivation is processed: improve treatment temperature and make protease inactivation in the solution after 3. step is processed; Treatment conditions: treatment temperature is 80 ℃, and the processing time is 8 minutes.
5. oven dry, drying and processing is finished in industrial cylinder baking oven, and bake out temperature is relevant with thickness and the type of drying time and handled wool fabric.
Contrast above-mentioned each embodiment, as can be known for slim wool fabric, the frequency of ultrasonic processor, processing time in the chlorination preprocessing process, processing time in reduction dechlorination is processed, the reduction that the consumption of the frequency of ultrasonic processor, processing time, enzyme all should be suitable with respect to thick and heavy shell fabric in enzyme is processed.
Be validity and the feasibility of explanation the inventive method, to the woven thick and heavy shell fabric (yarn count: 40/3 * 40/2 of pure wool after the inventive method arrangement; Density: 148 * 192/10cm; Grammes per square metre: 355g/ m
2) and to wash experiment under the washing test condition of the woven thick and heavy shell fabric of pure wool at the TM31 of International Wool Secretariat after traditional chloridizing processing, experimental result such as table 1 are listed.
Table 1 is through the washing result of the woven thick and heavy shell fabric of pure wool after the inventive method arrangement and the woven thick and heavy shell fabric of pure wool after traditional chloridizing processing
As can be seen from Table 1, the maximum length of the woven thick and heavy shell fabric of pure wool after the inventive method arrangement and shrinkage in width rate for be no more than 3%, the fracture strength loss late is no more than 10%, and change color is not obvious, the use amount (take barlan element 88 as example) of chlorinating agent is no more than 2% when utilizing simultaneously the inventive method to process the woven thick and heavy shell fabric of pure wool, and the use amount (take barlan element 88 as example) of traditional chloridizing chlorinating agent when processing the woven thick and heavy shell fabric of pure wool surpasses 5%, illustrates that the inventive method can effectively reduce the pollution to environment.
Fig. 1 has provided surfoyl stripped shape condition (scanning electron microscope (SEM) photograph) in the yarn of the woven thick and heavy shell fabric of pure wool after the inventive method arrangement, Fig. 2 has provided surfoyl stripped shape condition (scanning electron microscope (SEM) photograph) in the yarn of the woven thick and heavy shell fabric of pure wool after the processing of traditional chloridizing, comparison diagram 1 and Fig. 2 can find out that surfoyl is peeled off more even in the yarn of the woven thick and heavy shell fabric of pure wool after the inventive method arrangement.