CN111593556A - Method for preparing extra-white lining cloth through composite bleaching and nano whitening and extra-white lining cloth - Google Patents
Method for preparing extra-white lining cloth through composite bleaching and nano whitening and extra-white lining cloth Download PDFInfo
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- CN111593556A CN111593556A CN202010511225.9A CN202010511225A CN111593556A CN 111593556 A CN111593556 A CN 111593556A CN 202010511225 A CN202010511225 A CN 202010511225A CN 111593556 A CN111593556 A CN 111593556A
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- 239000004744 fabric Substances 0.000 title claims abstract description 51
- 238000004061 bleaching Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000002087 whitening effect Effects 0.000 title claims abstract description 17
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 122
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000013078 crystal Substances 0.000 claims abstract description 52
- 238000005406 washing Methods 0.000 claims abstract description 47
- 239000001301 oxygen Substances 0.000 claims abstract description 31
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 29
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims abstract description 27
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims abstract description 27
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000000853 adhesive Substances 0.000 claims abstract description 23
- 230000001070 adhesive effect Effects 0.000 claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims abstract description 20
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 11
- 102000004190 Enzymes Human genes 0.000 claims description 18
- 108090000790 Enzymes Proteins 0.000 claims description 18
- 238000010025 steaming Methods 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 11
- 238000009999 singeing Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 238000006386 neutralization reaction Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 28
- 230000000052 comparative effect Effects 0.000 description 9
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 201000004624 Dermatitis Diseases 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000006081 fluorescent whitening agent Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/10—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material
- D06B1/14—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller
- D06B1/145—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller the treating material being kept in the trough formed between two or more rollers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/68—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/72—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with metaphosphoric acids or their salts; with polyphosphoric acids or their salts; with perphosphoric acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses a method for preparing extra-white lining cloth by composite bleaching and nano whitening, which comprises the step of padding treatment fluid after oxygen bleaching, bleaching and water washing, wherein the treatment fluid comprises nano mixed crystal titanium oxide, sodium hexametaphosphate and a low-temperature adhesive, the nano mixed crystal titanium oxide consists of anatase titanium oxide and rutile titanium oxide, and the rutile titanium oxide accounts for 0.5-2% of the mixed crystal titanium oxide by mass. The nano mixed crystal titanium oxide is applied to the fabric in a surface rolling mode, so that the effects of low liquid supply, cost saving, energy saving, emission reduction and clean production are achieved, and meanwhile, the obtained fabric is soft in hand feeling by drying through ultraviolet radiation, and the fabric is endowed with an antibacterial function while the whiteness of the fabric is improved.
Description
Technical Field
The invention relates to a textile auxiliary material processing method, in particular to a method for preparing extra-white lining cloth by composite bleaching and nano whitening and the extra-white lining cloth.
Background
The lining cloth is an important clothing accessory and plays an important role in improving the integral wearing effect of the clothing. White shirts are the most common and important garments in everyday and business activities, and the requirement for whiteness of the matching interlining is higher.
At present, the problems existing in the traditional bleaching and whitening are as follows: chlorine-containing bleaches pollute the operating environment of workers, forbidden halide AOX exists in discharge, and chlorine remaining on fabrics causes skin allergy and also causes fabric chlorine damage and yellowing. The whiteness produced by the common oxygen bleaching process is difficult to meet the requirement. The fluorescent whitening agents used in conventional fluorescent whitening are unsafe and harmful to the human body.
Disclosure of Invention
The invention aims to provide a method for preparing extra white lining cloth by composite bleaching and nano whitening, which solves one or more of the problems in the prior art.
According to the method for preparing the extra-white lining cloth through composite bleaching and nano whitening, the step of padding treatment liquid is further included after the oxygen bleaching, the water rinsing, the treatment liquid comprises nano mixed crystal titanium oxide, sodium hexametaphosphate and a low-temperature adhesive, the nano mixed crystal titanium oxide consists of anatase type titanium oxide and rutile type titanium oxide, and the rutile type titanium oxide accounts for 0.5-2% of the mixed crystal titanium oxide in percentage by mass.
A method for preparing extra-white lining cloth by composite bleaching and nano whitening comprises the following steps: singeing, alkaline-oxygen cold batching, 95 ℃ high-efficiency hot water washing, cold water washing, steaming enzyme oxygen bleaching, 95 ℃ high-efficiency hot water washing, wet cropping, 2 nd steaming enzyme oxygen bleaching, 85 ℃ high-efficiency hot water washing, cold water washing, acid neutralization, padding treatment liquid and ultraviolet drying, wherein the treatment liquid comprises nano mixed crystal titanium oxide, sodium hexametaphosphate and a low-temperature adhesive, the nano mixed crystal titanium oxide consists of anatase titanium oxide and rutile titanium oxide, and the rutile titanium oxide accounts for 0.5-2% of the mixed crystal titanium oxide by mass.
In some embodiments, the treatment fluid is prepared by:
dissolving sodium hexametaphosphate in deionized water, and performing ultrasonic stirring to obtain a sodium hexametaphosphate solution with the concentration of 0.5-2 g/L;
adding mixed crystal titanium oxide while stirring the sodium hexametaphosphate solution, wherein the concentration of the added mixed crystal titanium oxide is 2-10 g/L;
adding a low-temperature adhesive into the solution, wherein the concentration of the added low-temperature adhesive is 10-20 g/L, and obtaining the treatment solution.
In some embodiments, the padding is face-rolling.
In some embodiments, face rolling comprises the steps of: the lining cloth passes through a space between a first roller and a second roller, the first roller is arranged above the second roller and is abutted against the second roller, and the second roller is partially immersed in the treatment liquid.
In some embodiments, the step of facing further comprises ultrasonically dispersing the treatment fluid.
In some embodiments, the nano mixed crystal titanium oxide has a particle size of 2 to 15 nm.
The extra-white lining cloth is obtained by the method.
Has the advantages that:
the nano mixed crystal titanium oxide is applied to the fabric in a surface rolling mode, so that the effects of low liquid supply, cost saving, energy saving, emission reduction and clean production are achieved, and meanwhile, the fabric obtained by drying through ultraviolet radiation is soft in hand feeling, and the fabric is endowed with an antibacterial function while the whiteness of the fabric is improved.
Drawings
FIG. 1 is a schematic view of a dough rolling apparatus according to the present invention;
fig. 2 is a graph showing the whiteness detection results of the present invention.
Detailed Description
In order to make the technical solutions in the embodiments of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example 1:
a method for preparing extra-white lining cloth by composite bleaching and nano whitening comprises the following steps: singeing, alkaline oxygen cold batching, efficient hot water washing at 95 ℃, cold water washing, steaming enzyme oxygen bleaching, efficient hot water washing at 95 ℃, wet cropping, steaming enzyme oxygen bleaching for the 2 nd time, efficient hot water washing at 85 ℃, cold water washing, acid neutralization, surface rolling treatment fluid and ultraviolet drying to obtain the extra-white lining cloth A.
Wherein the treatment liquid is prepared by the following steps:
dissolving 50g of sodium hexametaphosphate in 100L of deionized water, and performing ultrasonic stirring to obtain a sodium hexametaphosphate solution with the concentration of 0.5 g/L;
stirring a sodium hexametaphosphate solution, and simultaneously adding 200g of mixed crystal titanium oxide with the average particle size of about 2nm, wherein the mixed crystal titanium oxide consists of anatase titanium oxide and rutile titanium oxide, the mass percent of the rutile titanium oxide in the mixed crystal titanium oxide is 0.5%, and the concentration of the added mixed crystal titanium oxide is 2 g/L;
adding 1000g of low-temperature adhesive into the solution, wherein the concentration of the low-temperature adhesive is 10g/L to obtain the treatment solution,
as shown in fig. 1, the surface rolling comprises the following steps: the lining cloth passes through a space between a first roller A and a second roller B, the first roller A is arranged above the second roller B and is abutted against the second roller B, part of the second roller is immersed in the treatment liquid, and meanwhile, the treatment liquid is subjected to ultrasonic dispersion treatment.
Wherein the low-temperature adhesive is purchased from Weifang Rui optical chemical industry Co., Ltd, the product name is low-temperature adhesive, and the mixed crystal titanium oxide is purchased from Germany Wingchuang Texaco.
Example 2:
a method for preparing extra-white lining cloth by composite bleaching and nano whitening comprises the following steps: singeing, alkaline oxygen cold batching, efficient hot water washing at 95 ℃, cold water washing, steaming enzyme oxygen bleaching, efficient hot water washing at 95 ℃, wet cropping, steaming enzyme oxygen bleaching for the 2 nd time, efficient hot water washing at 85 ℃, cold water washing, acid neutralization, surface rolling treatment fluid and ultraviolet drying to obtain the extra-white lining cloth B.
Wherein the treatment liquid is prepared by the following steps:
dissolving 200g of sodium hexametaphosphate in 100L of deionized water, and performing ultrasonic stirring to obtain a sodium hexametaphosphate solution with the concentration of 2 g/L;
adding 1000g of mixed crystal titanium oxide with the average particle size of about 15nm while stirring a sodium hexametaphosphate solution, wherein the mixed crystal titanium oxide consists of anatase titanium oxide and rutile titanium oxide, the mass percent of the rutile titanium oxide in the mixed crystal titanium oxide is 2%, and the concentration of the added mixed crystal titanium oxide is 10 g/L;
2000g of low-temperature adhesive is added into the solution, and the concentration of the added low-temperature adhesive is 20g/L, so that the treatment solution is obtained.
Example 3:
a method for preparing extra-white lining cloth by composite bleaching and nano whitening comprises the following steps: singeing, alkaline oxygen cold batching, efficient hot water washing at 95 ℃, cold water washing, steaming enzyme oxygen bleaching, efficient hot water washing at 95 ℃, wet cropping, steaming enzyme oxygen bleaching for the 2 nd time, efficient hot water washing at 85 ℃, cold water washing, acid neutralization, surface rolling treatment fluid and ultraviolet drying to obtain the extra-white lining cloth C.
Wherein the treatment liquid is prepared by the following steps:
dissolving 100g of sodium hexametaphosphate in 100L of deionized water, and performing ultrasonic stirring to obtain a sodium hexametaphosphate solution with the concentration of 1 g/L;
stirring a sodium hexametaphosphate solution, and simultaneously adding 500g of mixed crystal titanium oxide with the average particle size of about 10nm, wherein the mixed crystal titanium oxide consists of anatase titanium oxide and rutile titanium oxide, the mass percent of the rutile titanium oxide in the mixed crystal titanium oxide is 1%, and the concentration of the added mixed crystal titanium oxide is 5 g/L;
adding 1500g of low-temperature adhesive into the solution, wherein the concentration of the added low-temperature adhesive is 15g/L, and obtaining the treatment solution.
Comparative example 1:
a method for preparing extra-white lining cloth by composite bleaching and nano whitening comprises the following steps: singeing, alkaline oxygen cold batching, efficient hot water washing at 95 ℃, cold water washing, steaming enzyme oxygen bleaching, efficient hot water washing at 95 ℃, wet cropping, steaming enzyme oxygen bleaching for the 2 nd time, efficient hot water washing at 85 ℃, cold water washing and drying to obtain white lining cloth D1.
Comparative example 2:
a method for preparing extra-white lining cloth by composite bleaching and nano whitening comprises the following steps: singeing, alkaline oxygen cold batching, high-efficiency hot water washing at 95 ℃, cold water washing, steaming enzyme oxygen bleaching, high-efficiency hot water washing at 95 ℃, wet cropping, steaming enzyme oxygen bleaching for the 2 nd time, high-efficiency hot water washing at 85 ℃, cold water washing, acid neutralization, surface rolling treatment fluid and ultraviolet drying to obtain white lining cloth D2.
Wherein the treatment liquid is prepared by the following steps:
stirring 100L of deionized water, and simultaneously adding 500g of mixed crystal titanium oxide with the average particle size of about 10nm, wherein the mixed crystal titanium oxide consists of anatase titanium oxide and rutile titanium oxide, the mass percent of the rutile titanium oxide in the mixed crystal titanium oxide is 1%, and the concentration of the added mixed crystal titanium oxide is 5 g/L;
adding 1500g of low-temperature adhesive into the solution, wherein the concentration of the added low-temperature adhesive is 15g/L, and obtaining the treatment solution.
Comparative example 3:
a method for preparing extra-white lining cloth by composite bleaching and nano whitening comprises the following steps: singeing, alkaline oxygen cold batching, high-efficiency hot water washing at 95 ℃, cold water washing, steaming enzyme oxygen bleaching, high-efficiency hot water washing at 95 ℃, wet cropping, steaming enzyme oxygen bleaching for the 2 nd time, high-efficiency hot water washing at 85 ℃, cold water washing, acid neutralization, surface rolling treatment fluid and ultraviolet drying to obtain white lining cloth D3.
Wherein the treatment liquid is prepared by the following steps:
dissolving 100g of sodium hexametaphosphate in 100L of deionized water, and performing ultrasonic stirring to obtain a sodium hexametaphosphate solution with the concentration of 1 g/L;
stirring a sodium hexametaphosphate solution, and simultaneously adding 500g of mixed crystal titanium oxide with the average particle size of about 10nm, wherein the mixed crystal titanium oxide consists of anatase titanium oxide and rutile titanium oxide, the mass percent of the rutile titanium oxide in the mixed crystal titanium oxide is 10%, and the concentration of the added mixed crystal titanium oxide is 5 g/L;
adding 1500g of low-temperature adhesive into the solution, wherein the concentration of the added low-temperature adhesive is 15g/L, and obtaining the treatment solution.
Comparative example 4:
a method for preparing extra-white lining cloth by composite bleaching and nano whitening comprises the following steps: singeing, alkaline oxygen cold batching, high-efficiency hot water washing at 95 ℃, cold water washing, steaming enzyme oxygen bleaching, high-efficiency hot water washing at 95 ℃, wet cropping, steaming enzyme oxygen bleaching for the 2 nd time, high-efficiency hot water washing at 85 ℃, cold water washing, acid neutralization, surface rolling treatment fluid and ultraviolet drying to obtain white lining cloth D4.
Wherein the treatment liquid is prepared by the following steps:
dissolving 100g of sodium hexametaphosphate in 100L of deionized water, and performing ultrasonic stirring to obtain a sodium hexametaphosphate solution with the concentration of 1 g/L;
stirring a sodium hexametaphosphate solution, and simultaneously adding 500g of mixed crystal titanium oxide with the average particle size of about 1000nm, wherein the mixed crystal titanium oxide consists of anatase titanium oxide and rutile titanium oxide, the mass percent of the rutile titanium oxide in the mixed crystal titanium oxide is 1%, and the concentration of the added mixed crystal titanium oxide is 5 g/L;
adding 1500g of low-temperature adhesive into the solution, wherein the concentration of the added low-temperature adhesive is 15g/L, and obtaining the treatment solution.
The whiteness of the extra-white interlinings A, B, C prepared in examples 1 to 3 and the whiteness of the white interlinings D1 to D4 prepared in comparative example were measured by MS-350 whiteness meter (usa), and the results are shown in the following table.
| Sample (I) | Whiteness value (%) |
| A | 91 |
| B | 92 |
| |
94 |
| |
55 |
| |
65 |
| |
70 |
| |
72 |
From the above table and fig. 2 it can be seen that:
the whiteness of the extra-white lining cloth obtained in the examples 1 to 3 is higher than 90 percent;
in the comparative example 1, the whiteness of the white lining cloth D1 obtained without the surface rolling treatment liquid process is 55 and is obviously lower than the whiteness of the extra white lining cloth obtained by the surface rolling treatment liquid process, so the surface rolling treatment liquid can effectively improve the whiteness of the fabric;
comparative example 2 is processed by the surface rolling treatment fluid, but sodium hexametaphosphate is not added in the treatment fluid, so that nano mixed crystal titanium oxide is agglomerated in an aqueous solution, the particle size is increased, and the whiteness value of the white lining cloth treated by the treatment fluid is only 65;
comparative example 3 is processed by the surface rolling treatment fluid, but the rutile type titanium oxide accounts for 10% of the mixed crystal titanium oxide added into the treatment fluid, and the whiteness value of the white lining cloth treated by the treatment fluid is only 70 due to the over-high rutile content;
comparative example 4 was subjected to the process of the finish-rolling treatment liquid, but the mixed crystal titanium oxide added to the treatment liquid had an average particle size of about 1000nm and was too large, resulting in a white interlining treated with the treatment liquid having a whiteness value of only 72.
To sum up: the nano mixed crystal titanium oxide with the particle size of 2-15nm and the rutile content of 0.5-2 percent and uniform dispersion is applied to the fabric in a surface rolling mode, and the whiteness of the fabric can be effectively improved. Meanwhile, the effects of low liquid supply, cost saving, energy conservation, emission reduction and clean production can be achieved, the obtained fabric is soft in hand feeling, and the fabric is endowed with an antibacterial function while the whiteness of the fabric is improved.
The foregoing is only a preferred form of the invention and it should be noted that several similar variations and modifications could be made by one skilled in the art without departing from the inventive concept and these should also be considered within the scope of the invention.
Claims (8)
1. The method for preparing extra-white lining cloth through composite bleaching and nano whitening is characterized by further comprising the step of padding treatment fluid after oxygen bleaching, bleaching and water washing, wherein the treatment fluid comprises nano mixed crystal titanium oxide, sodium hexametaphosphate and a low-temperature adhesive, the nano mixed crystal titanium oxide consists of anatase titanium oxide and rutile titanium oxide, and the rutile titanium oxide accounts for 0.5-2% of the mixed crystal titanium oxide in percentage by mass.
2. The method of claim 1, comprising the steps of: singeing, alkaline-oxygen cold batching, 95 ℃ high-efficiency hot water washing, cold water washing, steaming enzyme oxygen bleaching, 95 ℃ high-efficiency hot water washing, wet cropping, 2 nd steaming enzyme oxygen bleaching, 85 ℃ high-efficiency hot water washing, cold water washing, acid neutralization, padding treatment liquid and ultraviolet drying, wherein the treatment liquid comprises nano mixed crystal titanium oxide, sodium hexametaphosphate and a low-temperature adhesive, the nano mixed crystal titanium oxide consists of anatase titanium oxide and rutile titanium oxide, and the rutile titanium oxide accounts for 0.5-2% of the mixed crystal titanium oxide by mass.
3. The method according to claim 1 or 2, wherein the treatment liquid is prepared by:
dissolving sodium hexametaphosphate in deionized water, and performing ultrasonic stirring to obtain a sodium hexametaphosphate solution with the concentration of 0.5-2 g/L;
adding mixed crystal titanium oxide while stirring the sodium hexametaphosphate solution, wherein the concentration of the added mixed crystal titanium oxide is 2-10 g/L;
adding a low-temperature adhesive into the solution, wherein the concentration of the added low-temperature adhesive is 10-20 g/L, and obtaining the treatment solution.
4. A method according to claim 1 or 2, characterized in that the padding is by face-rolling.
5. Method according to claim 4, characterized in that said facing comprises the following steps: the lining cloth passes through a space between a first roller and a second roller, the first roller is arranged above the second roller and is abutted against the second roller, and the second roller is partially immersed in the treatment liquid.
6. The method of claim 5, wherein the facing step further comprises ultrasonically dispersing the treatment fluid.
7. The method according to claim 1 or 2, wherein the nano mixed crystal titanium oxide has a particle size of 2 to 15 nm.
8. Extra white interlining obtained on the basis of the method according to any one of claims 1 to 7.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677486A (en) * | 2012-03-30 | 2012-09-19 | 四川省纺织科学研究院 | Formaldehyde-free pigment printing covering white slurry, preparation method and application thereof |
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