CN109706726A - A kind of thermal decomposition fabric and its preparation, application method - Google Patents
A kind of thermal decomposition fabric and its preparation, application method Download PDFInfo
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- CN109706726A CN109706726A CN201811619937.1A CN201811619937A CN109706726A CN 109706726 A CN109706726 A CN 109706726A CN 201811619937 A CN201811619937 A CN 201811619937A CN 109706726 A CN109706726 A CN 109706726A
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Abstract
The invention discloses a kind of thermal decomposition fabric and its preparations, application method, and thermally decomposing fabric includes cellulose base fiber fabric and acid-releasing agent；By applying acid-releasing agent on cellulose base fiber fabric, dries under cryogenic, cellulose base fiber fabric can be made not to be carbonized, and keep certain strength；After embroidery, high temperature bake or steaming procedure in, the cellulose base fiber fabric containing acid-releasing agent decomposes rapidly carbonization, is gone carbide, washing and baking process, leaves embroidery cloth.It is an advantage of the invention that the thermal decomposition fabric decomposes under heating condition, waste is mainly carbonized celulose, and processing cost is low, environmental pollution is small, is not easy to cause secondary pollution, and the COD value of waste water reaches national standard textile waste direct emission standard within 60mg/L.
Description
Technical field
The invention belongs to Textile Engineering field more particularly to it is a kind of for embroidering when wadding thermal decomposition fabric and its system
Standby, application method.
Background technique
Water-soluble fabric is a kind of nonwoven interlining for being dissolvable in water warm water, with the vinal (PVA) without acetalation
For raw material, using dry-laying, chemical adhesion method fixed network forms non-woven cloth, is mainly used as wadding when embroidering.Water-soluble fabric exists
After the completion of embroidery, impregnate can dissolve in 5 minutes in water, and the waste water containing PVA is generated after dissolution, if do not carried out to the waste water
Processing, then it is larger to the harm of water body environment, at present water-soluble fabric dissolution waste water processing and reuse generally use certain physics,
Waste in chemistry or biological method removal waste water.General physical method has the technologies such as absorption, coagulation, flocculation；Chemistry side
Method has the technologies such as catalysis oxidation, iron carbon, and bioanalysis has the technologies such as anaerobism, aerobic.But contain in the waste water that dissolves of water-soluble fabric
There is a large amount of PVA, so that waste water COD can reach 15000~20000mg/L.Water-soluble fabric waste water is handled using the prior art, is existed
Put into the problems such as number of processing devices is big, and processing cost is high, and secondary pollution is big.
Therefore, for the wastewater problem that generates after the dissolution of above-mentioned water-soluble fabric, prepare that a kind of environmental pollution is small, at waste
Manage the fabric of wadding at low cost, when not easily causing secondary pollution to can be used for embroidering again, it has also become those skilled in the art need
One of solve the problems, such as.
Summary of the invention
In view of the problems existing in the prior art, the purpose of the present invention is to provide a kind of thermal decomposition fabric and its preparation, make
With method, fabric is thermally decomposed, preparation method is simple, and waste environmental pollution is small after its decomposition, processing cost is low, does not easily cause two
Secondary pollution.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of thermal decomposition fabric, including cellulose base fiber fabric and acid-releasing agent.
Further, the mass ratio of the acid-releasing agent and cellulose base fiber fabric is (1-80): 100.
Further, the cellulose base fiber fabric is to appoint in the non-woven cloth, woven fabric and looped fabric of cellulose fibre
It anticipates one kind；The cellulose fibre that the cellulose base fiber fabric uses is to appoint in native cellulose fibre and regenerated celulose fibre
It anticipates one kind.
Further, the surface density of the thermal decomposition fabric is 10-150g/m2, the face of the preferred thermal decomposition fabric
Density is 30-140g/m2。
Further, the acid-releasing agent be one of inorganic acid, organic acid, acid salt, acid salt hydrate or a variety of,
Acid-releasing agent is a kind of compound of releasable acidic materials.
A method of above-mentioned thermal decomposition fabric being prepared, its main feature is that carrying out in accordance with the following steps: cellulose fibre is knitted
Object carries out feeding using the solution comprising acid-releasing agent, then carries out drying and processing；The drying temperature is 60-120 DEG C, preferably
70-110 DEG C, more preferably 75-100 DEG C.
A method of using above-mentioned thermal decomposition fabric, its main feature is that including embroidering on thermal decomposition fabric, embroidering and complete
After thermally decomposed.
Further, the thermal decomposition steps are to bake and one or both of decatize combination.
Further, drying temperature difference >=20 DEG C when prepared by the temperature baked and thermal decomposition fabric, preferably
The temperature baked and thermal decomposition fabric preparation when drying temperature difference >=40 DEG C.
Further, the time baked is 0.5-5 minutes；The time of the decatize is 0.5-5 minutes.
Further, the application method of the thermal decomposition fabric further includes being post-processed after the completion of fabric thermal decomposition
Step.
Further, the post-processing includes washing and drying.
Further, the post-processing includes going carbide, washing and drying.
The preparation method and application method of thermal decomposition fabric of the invention, it is easy to operate, it can be in conventional textile production equipment
On produced, reduce cost；The thermal decomposition fabric of preparation, structure is simple, and raw material is easy to get, and can be used as wadding when embroidering, and embroiders
It is heat-treated after using up into, which decomposes carbonization after heated, and decomposing carbonized product can remove through processes such as bristle, washings
Completely, waste is mainly carbonized celulose, and processing cost is low, environmental pollution is small, is not easy to cause secondary pollution, the COD value of waste water
Within 60mg/L, not higher than the direct emission limit value in " GB4287-2012 textile dyeing and finishing industrial water pollution object discharge standard "
(60mg/L) is not required to increase environmental protection equipment.
Specific embodiment
Thermal decomposition fabric provided by the invention includes cellulose base fiber fabric and acid-releasing agent；By in cellulose base fiber fabric
Upper application acid-releasing agent, is dried under cryogenic, cellulose base fiber fabric can be made not to be carbonized, and keeps certain strength；It embroiders
Afterwards, high temperature bake or steaming procedure in, the cellulose base fiber fabric containing acid-releasing agent decomposes rapidly carbonization, is removed carbide, water
It washes and baking process, leaves embroidery cloth.
Due to using water-soluble fabric to do base fabric at present, a large amount of PVA are generated after water-soluble fabric dissolution, COD value of waste water is caused to reach
15000~20000mg/L, processing waste fitment investment is big, and at high cost, secondary pollution is big.The present invention is done using thermal decomposition fabric
Base fabric, COD value of waste water very little are not required to increase environmental protection equipment, and processing cost is low, does not easily cause secondary pollution.
The base fabric for constituting present invention thermal decomposition fabric is cellulose base fiber fabric.Cellulose base fiber fabric is cellulose fibre
Non-woven fabric, woven fabric and knitted fabric any one.
The surface density that the present invention thermally decomposes fabric is 10-150g/m2.Because surface density is too low, fabric strength is low, after being unfavorable for
Road processing, surface density is excessively high, and fabric cost is high, is unfavorable for practical application.Therefore, thermal decomposition fabric surface density is preferably 30-
140g/m2。
In the present invention, the cellulose fibre of cellulose base fiber fabric can be native cellulose fibre, as cotton fiber, fiber crops are fine
Dimension, bombax cotton etc. are also possible to regenerated celulose fibre, such as viscose rayon, tencel fiber, Modal fibre, bamboo fibre.
Wherein, viscose rayon and cotton fiber are conventional textile raw material, and raw material is easy to get, and cost performance is high, so, viscose rayon and cotton fiber
It is preferred raw material.
Acid-releasing agent of the invention is the compound of a kind of releasable acidic materials, because acid and it is hot under conditions of, cellulose
Fiber hydrolization carbonization, therefore this method removal cellulose base fiber fabric can be used.Acid-releasing agent is inorganic acid, organic acid, acid salt
With one of acid salt hydrate or a variety of.Wherein, sulfuric acid is common textile auxiliary, and common decomposition of cellulose fibre
The substance of dimension, so be preferred.Aluminum sulfate, sodium bisulfate, ferric sulfate etc. can generate sulfuric acid after heating, so be preferred
's.Simultaneously as sulfuric acid operation is more dangerous, sodium bisulfate and ferric sulfate are big compared with aluminum sulfate to the yellowing degree of polyester fiber,
So aluminum sulfate is preferred.
In the present invention, the mass ratio of acid-releasing agent and cellulose base fiber fabric is (1-80): 100.Because using different acid-releasing agents,
The power that acid-releasing agent discharges acidic materials is different, and it is different from the mass ratio of cellulose base fiber fabric to will lead to acid-releasing agent；Meanwhile no
Also variant with cellulose fibre acid resistance power, it is different from the mass ratio of cellulose base fiber fabric to also result in acid-releasing agent, institute
With the mass ratio of acid-releasing agent and cellulose base fiber fabric differs greatly.For example, when acid-releasing agent be 98% sulfuric acid when, acid-releasing agent with
The mass ratio of cellulose base fiber fabric is (3.0-5.0): 100；When acid-releasing agent is Patent alum, acid-releasing agent and fiber
The mass ratio of cellulose fiber fabric is (10-80): 100.
Because under the action of an acid, the rate that temperature decomposes carbonization to cellulose fibre is affected.Temperature gap is small, is roasting
Under the conditions of drying temperature and drying temperature, the rate difference of cellulose decomposition carbonization is small, it is more difficult to after realization drying again through embroidery process
Bake the purpose for making cellulose fibre decompose carbonization.Present inventor passes through many experiments and analysis and research, obtains baking temperature
The difference of degree and drying temperature is at 20 DEG C or more, wherein baking temperature and drying temperature difference are baked and dried at 40 DEG C or more
Decomposition carbonation rate difference when dry is bigger, more conducively operates, so be preferred.
The present invention drying when fiber decomposition carbonization answer it is as small as possible, so drying temperature should be as low as possible, but temperature
Too low drying time is too long, reduces production efficiency.Meanwhile to leave drying cylinder in time after fabric drying, it is no longer heated.This Shen
Please inventor be directed to the technical problem, by many experiments compare and analyze and research, obtain drying temperature be 60-120 DEG C, preferably
It is 70-110 DEG C, more preferably 75-100 DEG C.
The process equipment of thermal decomposition fabric of the invention is not particularly limited, and known equipment can be used, it is preferred to use leaching
Milling train, overflow dyeing machine, air flow dyeing machine, dye jigger, forming machine, stenter, drying cylinder, steamer etc..
The test method of COD value in the present invention uses " the measurement potassium bichromate of HJ 828-2017 water chemical oxygen demand
Method ".
Wastewater discharge standard uses " GB 4287-2012 textile dyeing and finishing industrial water pollution object discharge standard " in the present invention
Technical solution of the present invention will be clearly and completely described by specific embodiment below.Obviously, it is retouched
The embodiment stated is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.
Embodiment 1
A kind of thermal decomposition fabric is present embodiments provided, is made of viscose glue hydro-entangled non-woven fabric and Patent alum.
The surface density for thermally decomposing fabric is 62g/m2。
The present embodiment also provides a kind of method for preparing the thermal decomposition fabric comprising following steps: being closed using 18 water
Aluminum sulfate carries out feeding to viscose glue spunlace non-woven cloth, and the dosage of Patent alum is per kilogram viscose glue spunlace non-woven cloth
Then 310g is dried 90 seconds at 95 DEG C, obtain thermal decomposition viscose glue hydro-entangled non-woven fabric.
The present embodiment also provides a kind of method using the thermal decomposition fabric comprising following steps:
1. a pair above-mentioned thermal decomposition hydro-entangled non-woven fabric carries out embroidery processing；
2. pair above-mentioned viscose glue hydro-entangled non-woven fabric of embroidery bakes, 170 DEG C of baking temperature, the time is baked 50 seconds, glue
Glue spunlaced nonwoven decomposes carbonization；
3. baking rear fabric is gone carbide, washing, drying, the removal of viscose glue hydro-entangled non-woven fabric is clean, leaves embroidery cloth.
The waste water generated to above-mentioned steps uses dichromate titration to measure COD value as 51mg/L, and it is direct to reach national standard
Discharge standard.
Embodiment 2
A kind of thermal decomposition fabric is present embodiments provided, is made of viscose glue hydro-entangled non-woven fabric and Patent alum.
The surface density for thermally decomposing fabric is 57g/m2。
The present embodiment also provides a kind of method for preparing the thermal decomposition fabric comprising following steps: being closed using 18 water
Aluminum sulfate carries out feeding to viscose glue spunlace non-woven cloth, and the dosage of the Patent alum is per kilogram viscose glue spunlace non-woven cloth
Then 240g is dried 120 seconds at 90 DEG C, obtain thermal decomposition viscose glue hydro-entangled non-woven fabric.
The present embodiment also provides a kind of method using the thermal decomposition fabric comprising following steps:
1. a pair above-mentioned thermal decomposition hydro-entangled non-woven fabric carries out embroidery processing；
2. pair above-mentioned viscose glue hydro-entangled non-woven fabric of embroidery bakes, 160 DEG C of baking temperature, the time is baked 90 seconds, glue
Glue spunlaced nonwoven decomposes carbonization；
3. baking rear fabric is gone carbide, washing, drying, the removal of viscose glue hydro-entangled non-woven fabric is clean, leaves embroidery cloth.
The waste water generated to above-mentioned steps uses dichromate titration to measure COD value as 45mg/L, and it is direct to reach national standard
Discharge standard.
Embodiment 3
The present embodiment provides a kind of thermal decomposition fabrics, are made of pure cotton hydro-entangled non-woven fabric and Patent alum.Heat
The surface density for decomposing fabric is 78g/m2。
The present embodiment additionally provides a kind of method for preparing the thermal decomposition fabric comprising following steps: using 18 water
It closes aluminum sulfate and feeding is carried out to pure cotton spunlace non-woven cloth, the dosage of the Patent alum is per kilogram pure cotton spun lacing nonwoven
Then cloth 530g is dried 90 seconds at 100 DEG C, obtain thermal decomposition pure cotton hydro-entangled non-woven fabric.
The present embodiment also provides a kind of method using the thermal decomposition fabric comprising following steps:
1. a pair above-mentioned thermal decomposition hydro-entangled non-woven fabric carries out embroidery processing；
2. pair above-mentioned pure cotton hydro-entangled non-woven fabric of embroidery bakes, 150 DEG C of baking temperature, the time is baked 150 seconds, it is pure
Cotton hydro-entangled non-woven fabric decomposes carbonization；
3. baking rear fabric to be washed, dried, the removal of pure cotton hydro-entangled non-woven fabric is clean, leaves embroidery cloth.
The waste water generated to above-mentioned steps uses dichromate titration to measure COD value as 48mg/L, and it is direct to reach national standard
Discharge standard.
Embodiment 4
A kind of thermal decomposition fabric is present embodiments provided, by viscose glue starching hydro-entangled non-woven fabric and Patent alum group
At.The surface density for thermally decomposing fabric is 64g/m2。
The present embodiment also provides a kind of method for preparing the thermal decomposition fabric comprising following steps: being closed using 18 water
Aluminum sulfate and slurry carry out feeding to viscose glue spunlace non-woven cloth, and the dosage of the Patent alum is per kilogram viscose glue spun lacing
Then non-woven fabrics 350g is dried 150 seconds at 85 DEG C, obtain thermal decomposition viscose glue starching hydro-entangled non-woven fabric.
The present embodiment also provides a kind of method using the thermal decomposition fabric comprising following steps:
1. a pair above-mentioned thermal decomposition hydro-entangled non-woven fabric carries out embroidery processing；
2. pair above-mentioned viscose glue of an embroidery starching hydro-entangled non-woven fabric bakes, 140 DEG C of baking temperature, baking the time 3 divides
Clock, viscose glue starching hydro-entangled non-woven fabric decompose carbonization；
3. baking rear fabric is gone carbide, washing, drying, the removal of viscose glue hydro-entangled non-woven fabric is clean, leaves embroidery cloth.
The waste water generated to above-mentioned steps uses dichromate titration to measure COD value as 57mg/L, and it is direct to reach national standard
Discharge standard.
Embodiment 5
A kind of thermal decomposition fabric is present embodiments provided, is made of viscose glue woven fabric and Patent alum.Thermal decomposition
The surface density of fabric is 86g/m2。
The present embodiment also provides a kind of method for preparing the thermal decomposition fabric comprising following steps: being closed using 18 water
Aluminum sulfate carries out feeding to viscose glue woven fabric, and the dosage of the Patent alum is per kilogram viscose glue woven fabric 380g, so
It is dried 100 seconds at 100 DEG C afterwards, obtains thermal decomposition viscose glue woven fabric.
The present embodiment also provides a kind of method using the thermal decomposition fabric comprising following steps:
1. a pair above-mentioned thermal decomposition viscose glue woven fabric carries out embroidery processing；
2. pair above-mentioned viscose glue woven fabric of embroidery carries out decatize, 102 DEG C of steam temperature, steaming time 1 minute, viscose glue was woven
Cloth decomposes carbonization；
3. fabric is gone carbide, washing, drying after decatize, the removal of viscose glue woven fabric is clean, leaves embroidery cloth.
The waste water generated to above-mentioned steps uses dichromate titration to measure COD value as 48mg/L, and it is direct to reach national standard
Discharge standard.
Embodiment 6
A kind of thermal decomposition fabric is present embodiments provided, the sulfuric acid for being 98% by viscose glue hydro-entangled non-woven fabric and mass fraction
Composition.The surface density for thermally decomposing fabric is 47g/m2。
The present embodiment also provides a kind of method for preparing the thermal decomposition fabric comprising following steps: using 98% sulfuric acid
Feeding is carried out to viscose glue spunlace non-woven cloth, the dosage of the Patent alum is per kilogram viscose glue spunlace non-woven cloth 32g, so
It is dried 150 seconds at 80 DEG C afterwards, obtains thermal decomposition viscose glue hydro-entangled non-woven fabric.
The present embodiment also provides a kind of method using the thermal decomposition fabric comprising following steps:
1. a pair above-mentioned thermal decomposition hydro-entangled non-woven fabric carries out embroidery processing；
2. pair above-mentioned viscose glue hydro-entangled non-woven fabric of embroidery carries out decatize, 96 DEG C of steam temperature, steaming time 4 minutes, glue
Glue spunlaced nonwoven decomposes carbonization；
3. fabric is washed, dried after decatize, the removal of viscose glue hydro-entangled non-woven fabric is clean, leaves embroidery cloth.
The waste water generated to above-mentioned steps uses dichromate titration to measure COD value as 41mg/L, and it is direct to reach national standard
Discharge standard.
Embodiment 7
A kind of thermal decomposition fabric is present embodiments provided, the sulfuric acid for being 98% by pure cotton hydro-entangled non-woven fabric and mass fraction
Composition.The surface density for thermally decomposing fabric is 53g/m2。
The present embodiment also provides a kind of method for preparing the thermal decomposition fabric comprising following steps: using 98% sulfuric acid
Feeding is carried out to pure cotton spunlace non-woven cloth, 98% sulfuric acid dosage is per kilogram pure cotton spunlace non-woven cloth 40g, then 90
It is dried 90 seconds at DEG C, obtains thermal decomposition pure cotton hydro-entangled non-woven fabric.
The present embodiment also provides a kind of method using the thermal decomposition fabric comprising following steps:
1. a pair above-mentioned thermal decomposition hydro-entangled non-woven fabric carries out embroidery processing；
2. pair above-mentioned pure cotton hydro-entangled non-woven fabric of embroidery bakes, 160 DEG C of baking temperature, the time is baked 90 seconds, it is pure
Cotton hydro-entangled non-woven fabric decomposes carbonization；
3. baking rear fabric to be washed, dried, the removal of pure cotton hydro-entangled non-woven fabric is clean, leaves embroidery cloth.
The waste water generated to above-mentioned steps uses dichromate titration to measure COD value as 45mg/L, and it is direct to reach national standard
Discharge standard.
Embodiment 8
A kind of thermal decomposition fabric is present embodiments provided, is made of the sulfuric acid that viscose glue woven fabric and mass fraction are 98%.
The surface density for thermally decomposing fabric is 68g/m2。
The present embodiment also provides a kind of method for preparing the thermal decomposition fabric comprising following steps: using 98% sulfuric acid
Feeding is carried out to viscose glue woven fabric, 98% sulfuric acid dosage is per kilogram viscose glue woven fabric 37g, is then dried at 80 DEG C
3 minutes, obtain thermal decomposition viscose glue woven fabric.
The present embodiment also provides a kind of method using the thermal decomposition fabric comprising following steps:
1. a pair above-mentioned thermal decomposition viscose glue woven fabric carries out embroidery processing；
2. pair above-mentioned viscose glue woven fabric of embroidery bakes, 160 DEG C of baking temperature, the time is baked 110 seconds, viscose glue is woven
Cloth decomposes carbonization；
3. baking rear fabric is gone carbide, washing, drying, the removal of viscose glue woven fabric is clean, leaves embroidery cloth.
The waste water generated to above-mentioned steps uses dichromate titration to measure COD value as 43mg/L, and it is direct to reach national standard
Discharge standard.
Embodiment 9
A kind of thermal decomposition fabric is present embodiments provided, is made of the sulfuric acid that pure cotton woven fabric and mass fraction are 98%.
The surface density for thermally decomposing fabric is 84g/m2。
The present embodiment also provides a kind of method for preparing the thermal decomposition fabric comprising following steps: using 98% sulfuric acid
Feeding is carried out to pure cotton woven fabric, 98% sulfuric acid dosage is per kilogram viscose glue woven fabric 45g, is then dried at 90 DEG C
4 minutes, obtain thermal decomposition pure cotton woven fabric.
The present embodiment also provides a kind of method using the thermal decomposition fabric comprising following steps:
1. a pair above-mentioned thermal decomposition pure cotton woven fabric carries out embroidery processing；
2. pair above-mentioned pure cotton woven fabric of embroidery bakes, 160 DEG C of baking temperature, the time is baked 130 seconds, pure cotton is woven
Cloth decomposes carbonization；
3. baking rear fabric to be washed, dried, the removal of pure cotton woven fabric is clean, leaves embroidery cloth.
The waste water generated to above-mentioned steps uses dichromate titration to measure COD value as 46mg/L, and it is direct to reach national standard
Discharge standard.
Embodiment 10
A kind of thermal decomposition fabric is present embodiments provided, is made of pure cotton knitting cloth and Patent alum.Thermal decomposition
The surface density of fabric is 130g/m2。
The present embodiment also provides a kind of method for preparing the thermal decomposition fabric comprising following steps: being closed using 18 water
Aluminum sulfate carries out feeding to pure cotton knitting cloth, and the dosage of the Patent alum is per kilogram pure cotton knitting cloth 710g, so
It is dried 4 minutes at 100 DEG C afterwards, obtains thermal decomposition pure cotton knitting cloth.
The present embodiment also provides a kind of method using the thermal decomposition fabric comprising following steps:
1. a pair above-mentioned thermal decomposition pure cotton knitting carries out embroidery processing；
2. pair above-mentioned pure cotton knitting cloth of embroidery bakes, 170 DEG C of baking temperature, the time is baked 120 seconds, pure cotton knitting
Cloth decomposes carbonization；
3. baking rear fabric to be washed, dried, the removal of pure cotton knitting cloth is clean, leaves embroidery cloth.
The waste water generated to above-mentioned steps uses dichromate titration to measure COD value as 49mg/L, and it is direct to reach national standard
Discharge standard.
Embodiment 11
A kind of thermal decomposition fabric is present embodiments provided, is made of the sulfuric acid that pure cotton knitting cloth and mass fraction are 98%.
The surface density for thermally decomposing fabric is 130g/m2。
The present embodiment also provides a kind of method for preparing the thermal decomposition fabric comprising following steps: using 98% sulfuric acid
Feeding is carried out to pure cotton knitting cloth, the dosage of 98% sulfuric acid is per kilogram pure cotton knitting cloth 48g, is then dried at 100 DEG C
It is 3.5 minutes dry, obtain thermal decomposition pure cotton knitting cloth.
The present embodiment also provides a kind of method using the thermal decomposition fabric comprising following steps:
1. a pair above-mentioned thermal decomposition pure cotton knitting carries out embroidery processing；
2. pair above-mentioned pure cotton knitting cloth of embroidery bakes, 170 DEG C of baking temperature, the time is baked 120 seconds, pure cotton knitting
Cloth decomposes carbonization；
3. baking rear fabric to be washed, dried, the removal of pure cotton knitting cloth is clean, leaves embroidery cloth.
The waste water generated to above-mentioned steps uses dichromate titration to measure COD value as 51mg/L, and it is direct to reach national standard
Discharge standard.
In addition, using the combination of viscose glue woven fabric and Patent alum, cotton machine woven fabric and Patent alum
Combination, the combination of viscose glue looped fabric and Patent alum, the combination of viscose glue looped fabric and 98% sulfuric acid can also prepare this hair
Bright thermal decomposition fabric.
Comparative example 1
This comparative example use conventional method by the processes such as shredding, combing, networking, impregnation, drying prepare surface density for
50g/m2Water-soluble fabric, and use dichromate titration to measure COD value as 16900mg/L waste water.
In conjunction with the comparison of above-described embodiment 1-11 and comparative example 1, illustrate that thermal decomposition fabric of the invention is used as embroidery base fabric,
The serious pollution problem generated when revolutionizing water-soluble fabric as embroidery base fabric.Meanwhile waste is mainly carbon fibre
Element, processing cost is low, environmental pollution is small, is not easy to cause secondary pollution.
Claims (10)
1. a kind of thermal decomposition fabric, it is characterised in that: including cellulose base fiber fabric and acid-releasing agent.
2. a kind of thermal decomposition fabric according to claim 1, it is characterised in that: the acid-releasing agent and cellulose base fiber fabric
Mass ratio is (1-80): 100.
3. a kind of thermal decomposition fabric according to claim 1 or claim 2, it is characterised in that: the cellulose base fiber fabric is fiber
Any one in the non-woven cloth of cellulose fiber, woven fabric and looped fabric.
4. a kind of thermal decomposition fabric according to claim 1 or claim 2, it is characterised in that: it is described thermal decomposition fabric surface density be
10-150g/m2。
5. a kind of thermal decomposition fabric according to claim 1 or claim 2, it is characterised in that: the acid-releasing agent is inorganic acid, organic
It is acid, acid salt, one or more in acid salt hydrate.
6. a kind of preparation method of thermal decomposition fabric as described in any one in claim 1-5, its main feature is that in accordance with the following steps
It carries out: cellulose base fiber fabric being subjected to feeding using the solution comprising acid-releasing agent, then carries out drying and processing.
7. a kind of application method of thermal decomposition fabric as claimed in any one of claims 1 to 6, it is characterised in that: knitted in thermal decomposition
It embroiders on object, embroider is thermally decomposed after the completion.
8. a kind of application method for thermally decomposing fabric according to claim 7, it is characterised in that: the thermal decomposition steps are roasting
It dries and one or both of decatize combination；The time baked is 0.5-5 minutes；The time of the decatize is 0.5-5 points
Clock.
9. a kind of application method for thermally decomposing fabric according to claim 8, it is characterised in that: the temperature baked and heat
Decompose difference >=20 DEG C of drying temperature when fabric preparation.
10. a kind of application method for thermally decomposing fabric according to claim 7, it is characterised in that: thermally decompose and complete in fabric
After the step of being post-processed, the post-processing includes going carbide, washing, twice or whole in drying three process.
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| CN102031571A (en) * | 2009-09-30 | 2011-04-27 | 中国石油化工集团公司 | Preparation method and application of water-soluble polyvinyl alcohol short fibers |
| CN103194918A (en) * | 2013-03-29 | 2013-07-10 | 常州涵源新印花有限公司 | Preprocessing size for textile printing as well as preparation method and applications thereof |
| CN103643554A (en) * | 2013-11-30 | 2014-03-19 | 江苏奥森新材料有限公司 | Production method of burn-out printing non-woven fabric |
| CN107012605A (en) * | 2017-05-06 | 2017-08-04 | 昆山胜昱无纺布有限公司 | A kind of environment-friendly type embroidery cloth for heating cracking |
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