CN106120295B - A kind of glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer and its application - Google Patents
A kind of glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer and its application Download PDFInfo
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- CN106120295B CN106120295B CN201610674953.5A CN201610674953A CN106120295B CN 106120295 B CN106120295 B CN 106120295B CN 201610674953 A CN201610674953 A CN 201610674953A CN 106120295 B CN106120295 B CN 106120295B
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- hydrogen peroxide
- glycerol
- sodium carboxymethylcellulose
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- 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
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/02—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fibres, slivers or rovings
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- 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
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
Abstract
The invention discloses a kind of glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer and its application, which is composed of the following parts by weight: 1-1.5 parts of glycerol, 0.1-2 parts of sodium carboxymethylcellulose, 2-2.7 parts of soluble starch, 10-14 parts of water；The preparation method of the Compositional type stabilizer of hydrogen peroxide is that water and glycerol are mixed and heated to 100 DEG C, and soluble starch is added in mixing boiling liquid and is stirred and evenly mixed, then stand at low temperature after carboxymethylcellulose sodium solution is slowly added dropwise；The Compositional type hydrogen peroxide bleaching is applied in the bleaching process of flax roving and its fabric.Bleaching stibilizer of the present invention has the function of efficient stable hydrogen peroxide；To the damaging small of fibrous material；And alkali-resistant oxidative resistance is all relatively strong, easy to use, good with the compatibility of other auxiliary agents, cheap, reduces environmental pollution, is a kind of ideal hydrogen peroxide bleaching stabilizer.
Description
Technical field:
The present invention relates to technical field of textile auxiliary agent, are specifically related to a kind of glycerol-sodium carboxymethylcellulose Compositional type mistake
Hydrogen oxide bleaching stibilizer and its application in flax roving and its fabric.
Background technique:
Hydrogen peroxide bleaching appears in 1938 earliest, since hydrogen peroxide has lower oxidizing potential, so to fibre
The oxidative damage of dimension is smaller, and does not have latent lesion, be widely used in cellulose fibre especially cotton fiber and its blended knit
The bleaching of object is processed.Hydrogen peroxide bleaching not only have refining is required it is low, with refining is combined process and non-harmful feature,
But the Stability of Hydrogen Peroxide as bleaching agent is poor, in radiant light, heavy metal ion such as iron ion and copper ion
Quick decomposition reaction can occur under catalysis, and hydrogen peroxide bleaching usually carries out under alkaline condition, so that hydrogen peroxide is anti-
It should be typically further exacerbated, cannot not only generate the active material favorably bleached, but also will lead to the waste of hydrogen peroxide, reduce
The whiteness and mechanical performance of white goods.So having to that stabilizer is added in Alkali Hydrogen Peroxide System, make hydrogen peroxide
Decomposition reaction effectively controlled, and generate be conducive to bleaching active material, improve the quality of white goods.
Hydrogen peroxide bleaching stabilizer can be divided into absorbent-type, solvay-type and mixed type according to the mechanism of action.Absorbent-type is steady
Determine agent sodium metasilicate and be also known as waterglass or sodium silicate, be most common hydrogen peroxide bleaching stabilizer, it is obtained after hydrolyzing
The siliceous colloid of the high degree of dispersion arrived has stronger suction-operated to heavy metal ion, so that it is lost catalytic activity, effectively
Inhibiting the excessive decomposition of hydrogen peroxide, the whiteness of white goods is high, and it is low in cost, but it is easy to form silicon in roller surface
Dirt, this phenomenon becomes apparent at high temperature, and the silicon dirt is difficult to, and is deposited on fabric surface, so that processing fabric hand
Sense hardening.
Chinese invention patent CN200510124107.8 is related to for the hydrogen peroxide bleaching of flax roving and its fabric
Stabilizer and environmentally protective degumming and bleaching new technology.The stabilizer is by five methylenephosphonic acid 5-15% of diethylentriamine, sepiolite
2-8%, montmorillonite 2-10%, di-iron trioxide 1-6%, magnesia 1-5%, aluminium oxide 1-8%, gluconic acid 2-12%, boron
Sour 6-20%, sodium metasilicate 1-6%, nonionic surface active agent 1-8% and distilled water compound.The stabilizer collection of the invention
The advantages of having suffered absorbent-type and chelating type abandons its disadvantage, reaches high temperature resistant, requirement alkaline-resisting, whiteness is high, in use process
In, after absorption is mixed with the stabilizer of chelating type by certain mol proportion, and it is aided with certain nonionic surfactant, polysaccharide
Cellulose protective agent and its a small amount of waterglass, by adjusting compound stabilizer ingredient and dioxygen water consumption in single oxygen bleaching,
Required whiteness can achieve to different quality flax.The compound hydrogen peroxide bleaching stabilizer raw material is complicated, in waste liquid
It containing the ionic group that a large amount of metal ion and boric acid, silicic acid etc. are unfavorable to environment, pollutes the environment, is not easy biological
Degradation, is unfavorable for the protection of environment.
Absorbent-type stabilizer is poor for chelation of metal ion in the prior art, for hydrogen peroxide stabilizers effect it is low and
It is not alkaline-resisting, there is certain damage to fiber；Solvay-type stabilizer is to chelate free heavy metal ion, and it is right to prevent and treat them
In the decomposition of hydrogen peroxide, but effect is had no to other foreign pigments in absorption bleaching liquid, therefore cannot improve well
The whiteness of fabric.Compositional type stabilizer absorbent-type or solvay-type stabilizer can be overcome due to the limitation of self structure and
The shortcomings that playing ideal role is difficult in practical application, but its structure is single, it is difficult to regulate and control, and price is higher.
Summary of the invention:
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of novel ideal hydrogen peroxide bleachings
Stabilizer has the function of efficient stable hydrogen peroxide；To the damaging small of fibrous material；And alkali-resistant oxidative resistance is all
It is relatively strong, it is easy to use, it is good with the compatibility of other auxiliary agents, it is cheap, reduce environmental pollution, and disclose preparation method and
Using.
To achieve the above object, the invention adopts the following technical scheme:
A kind of glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer, by the component of following parts by weight
Composition: 1-1.5 parts of glycerol, 0.1-2 parts of sodium carboxymethylcellulose, 2-2.7 parts of soluble starch, 10-14 parts of water；The Compositional type mistake
Hydrogen oxide stabilizer the preparation method comprises the following steps: water and glycerol are mixed and heated to 100 DEG C, soluble starch is added to mixing boiling liquid
In stir and evenly mix, then stand at low temperature after carboxymethylcellulose sodium solution is slowly added dropwise.
Preferably, it is composed of the following parts by weight: 1.2-1.4 parts of glycerol, sodium carboxymethylcellulose 0.5-1.8
Part, 2.2-2.7 parts of soluble starch, 10-13 parts of water.
Preferably, the soluble starch is to analyze pure soluble starch, qualified to iodine sensitivity；Water solubility test closes
Lattice；Ignition residue≤0.5%；Loss on drying≤13%；Restore Fehling's reagent substance≤0.7%.
The Compositional type hydrogen peroxide bleaching stabilizer is applied in the bleaching process of flax roving and its fabric.
Preferably, the technique for applying the following steps are included: in bleach system be added bleach activator 0.1-0.3g/L,
Hydrogen peroxide 1-2g/L, glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer 2-3g/L, acid-base modifier
0.5-5g/L；
Unbleached flax roving and its fabric are put into dye bath according to bath raio 1:20-30, with the liter of 10-15 DEG C/min
Warm speed is warming up to 50-60 DEG C, keeps the temperature 10-15 minutes, and then white goods is washed, dries or dried.
Preferably, the technique for applying the following steps are included: in bleach system be added bleach activator 0.1-0.2g/L,
Hydrogen peroxide 1.5-2g/L, glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer 2-2.2g/L, acid-base accommodation
Agent 0.5-5g/L.
Preferably, by unbleached flax roving and its fabric according in bath raio 1:20-25 investment dye bath, with 10-15 DEG C/
The heating rate of min is warming up to 60 DEG C, keeps the temperature 10-12 minutes, and then white goods is washed, dries or dried.
Glycerine is colourless sweet clear and bright thick liquid.Its application includes: GC stationary liquid (maximum operation (service) temperature 75
DEG C, solvent is methanol), separation analysis low boiling point oxygenatedchemicals, aminated compounds, nitrogen or oxygen helerocyclics can divide completely
From 3- picoline (144.14 DEG C of boiling point) and 4- picoline (145.36 DEG C of boiling point)；Suitable for the analysis of aqueous solution, solvent,
Gas gauge and hydraulic press bradyseism liquid, softening agent, antibiotic fermentation nutritional agents, desiccant, lubricant, pharmaceuticals industry, cosmetics
Preparation, organic synthesis, plasticiser；Can be dissolved in any proportion with water, low concentration glycerin solution can do lubricating oil to skin into
Row moistens.The present invention compounds the stabilizer as hydrogen peroxide bleaching with sodium carboxymethylcellulose using glycerol, with bright
Aobvious moisture absorption effect, surface tension is 63.3mN/m at 20 DEG C, heavy metal ion is adsorbed by good alternating property, to rise
It is not susceptible to decomposition to the effect of good stable peroxide hydrogen, while in alkali concentration, so having preferable
Suspension and adsorptivity.
Sodium carboxymethylcellulose is that use scope is most wide in the world today, the maximum cellulose type of dosage, average molecular
Quality 242.16 is white fibrous or particulate powder.It is odorless, it is tasteless, it is tasteless, there is hygroscopicity, does not dissolve in organic solvent.Easily
It is insoluble in the organic solvents such as ethyl alcohol in being dispersed in water into clear gum solution.1% aqueous solution pH be 6.5-8.5, work as pH >
When 10 or < 5, cement viscosity is significantly reduced, and in pH=7, performance is best.To thermostabilization, risen rapidly in 20 DEG C or less viscosity,
Variation is slower at 45 DEG C, and 80 DEG C or more long-time heatings can make the denaturation of its colloid and viscosity and performance are decreased obviously.It is soluble easily in water,
Solution is transparent；It is very stable in alkaline solution, acid then facile hydrolysis is met, pH value will appear precipitating when being 2-3, meet multivalent metal salt
It can react and precipitate.After the present invention compounds glycerol with sodium carboxymethylcellulose, it is molten in alkalinity to improve sodium carboxymethylcellulose
Cement viscosity in liquid keeps good chelation to metal ion in strong base solution, and complexing capacity is big, sieve and stability
By force, it is readily biodegradable, oxygen enrichment pollution will not be caused to water body, and rubber cement also has one for its allochromatic colour magazine in bleaching liquor
Fixed suction-operated can effectively improve the whiteness of plant.
The invention has the following advantages:
(1) bleaching stibilizer of the present invention has the function of efficient stable hydrogen peroxide；To the damaging small of fibrous material；And
And alkali-resistant oxidative resistance is all relatively strong, and it is easy to use, it is good with the compatibility of other auxiliary agents, it is cheap, environmental pollution is reduced,
It is a kind of ideal hydrogen peroxide bleaching stabilizer.
(2) present invention compounds the stabilizer as hydrogen peroxide bleaching with sodium carboxymethylcellulose using glycerol, has
There is the apparent moisture absorption to act on, surface tension is 63.3mN/m at 20 DEG C, heavy metal ion is adsorbed by good alternating property, from
And play the role of good stable peroxide hydrogen, while being not susceptible to decomposition in alkali concentration, so have compared with
Good suspension and adsorptivity.
(3) after the present invention compounds glycerol with sodium carboxymethylcellulose, sodium carboxymethylcellulose is improved in alkaline solution
Cement viscosity, good chelation is kept to metal ion in strong base solution, complexing capacity is big, and sieve and stability are strong,
It is readily biodegradable, oxygen enrichment pollution will not be caused to water body, and rubber cement also has centainly its allochromatic colour magazine in bleaching liquor
Suction-operated, can effectively improve the whiteness of plant.
(4) preparation method simple and effective of the present invention, raw material green are easy to get, low processing cost, economic effect with higher
Benefit and market popularization value.
Specific embodiment:
In order to better understand the present invention, below by embodiment, the present invention is further described, and embodiment is served only for solving
The present invention is released, any restriction will not be constituted to the present invention.
Embodiment 1
A kind of glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer, by the component of following parts by weight
Composition: 1 part of glycerol, 0.1 part of sodium carboxymethylcellulose, 2 parts of soluble starch, 10 parts of water.
Embodiment 2
A kind of glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer, by the component of following parts by weight
Composition: 1.5 parts of glycerol, 2 parts of sodium carboxymethylcellulose, 2.7 parts of soluble starch, 14 parts of water.
Embodiment 3
A kind of glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer, by the component of following parts by weight
Composition: 1 part of glycerol, 2 parts of sodium carboxymethylcellulose, 2 parts of soluble starch, 14 parts of water.
Embodiment 4
A kind of glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer, by the component of following parts by weight
Composition: 1.5 parts of glycerol, 0.1 part of sodium carboxymethylcellulose, 2.7 parts of soluble starch, 10 parts of water.
Embodiment 5
A kind of glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer, by the component of following parts by weight
Composition: 1.2 parts of glycerol, 0.5 part of sodium carboxymethylcellulose, 2.2 parts of soluble starch, 10 parts of water.
Embodiment 6
A kind of glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer, by the component of following parts by weight
Composition: 1.4 parts of glycerol, 1.8 parts of sodium carboxymethylcellulose, 2.7 parts of soluble starch, 13 parts of water.
Embodiment 7
A kind of glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer, by the component of following parts by weight
Composition: 1.2 parts of glycerol, 1.8 parts of sodium carboxymethylcellulose, 2.2 parts of soluble starch, 13 parts of water.
Embodiment 8
A kind of glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer, by the component of following parts by weight
Composition: 1.4 parts of glycerol, 0.5 part of sodium carboxymethylcellulose, 2.7 parts of soluble starch, 10 parts of water.
Above-mentioned Compositional type stabilizer of hydrogen peroxide the preparation method comprises the following steps:
Water and glycerol are mixed and heated to 100 DEG C, soluble starch is added in mixing boiling liquid and is stirred and evenly mixed, then slowly
Stand at low temperature after dropwise addition carboxymethylcellulose sodium solution.
Soluble starch described in above-described embodiment is to analyze pure soluble starch, qualified to iodine sensitivity；Water dissolution
Pass the test；Ignition residue≤0.5%；Loss on drying≤13%；Restore Fehling's reagent substance≤0.7%.
Using one
The Compositional type hydrogen peroxide bleaching stabilizer is applied in the bleaching process of flax roving and its fabric, it is described to answer
With technique the following steps are included:
Bleach activator 0.1g/L, hydrogen peroxide 1g/L, glycerol-sodium carboxymethylcellulose compounding are added in bleach system
Type hydrogen peroxide bleaching stabilizer 2g/L, acid-base modifier 0.5g/L；
Unbleached flax roving and its fabric are put into dye bath according to bath raio 1:20, with the heating rate of 10 DEG C/min
50 DEG C are warming up to, keeps the temperature 10 minutes, then white goods is washed, dried or dried.
Using two
The Compositional type hydrogen peroxide bleaching stabilizer is applied in the bleaching process of flax roving and its fabric, it is described to answer
With technique the following steps are included:
Bleach activator 0.3g/L, hydrogen peroxide 2g/L, glycerol-sodium carboxymethylcellulose compounding are added in bleach system
Type hydrogen peroxide bleaching stabilizer 3g/L, acid-base modifier 5g/L；
Unbleached flax roving and its fabric are put into dye bath according to bath raio 1:30, with the heating rate of 15 DEG C/min
60 DEG C are warming up to, keeps the temperature 15 minutes, then white goods is washed, dried or dried.
Using three
The Compositional type hydrogen peroxide bleaching stabilizer is applied in the bleaching process of flax roving and its fabric, it is described to answer
With technique the following steps are included:
Addition bleach activator 0.1g/L, hydrogen peroxide 1.5g/L, glycerol-sodium carboxymethylcellulose are multiple in bleach system
Distribution type hydrogen peroxide bleaching stabilizer 2g/L, acid-base modifier 0.5g/L；
Unbleached flax roving and its fabric are put into dye bath according to bath raio 1:20, with the heating rate of 10 DEG C/min
60 DEG C are warming up to, keeps the temperature 10 minutes, then white goods is washed, dried or dried.
Using four
The Compositional type hydrogen peroxide bleaching stabilizer is applied in the bleaching process of flax roving and its fabric, it is described to answer
With technique the following steps are included:
Bleach activator 0.2g/L, hydrogen peroxide 2g/L, glycerol-sodium carboxymethylcellulose compounding are added in bleach system
Type hydrogen peroxide bleaching stablizes 2.2g/L, acid-base modifier 5g/L；
Unbleached flax roving and its fabric are put into dye bath according to bath raio 1:25, with the heating rate of 15 DEG C/min
60 DEG C are warming up to, keeps the temperature 12 minutes, then white goods is washed, dried or dried.
Table one: the embodiment of the present invention is tested according to the bleaching effect of a pair of of flax roving of application and its fabric
Table two: the embodiment of the present invention is tested according to the bleaching effect of two pairs of flax rovings of application and its fabric
| Hunter whiteness | Hunter yellowing | Strength loss % | |
| Embodiment 1 | 90.26 | 51.69 | 4.34 |
| Embodiment 2 | 91.81 | 53.26 | 4.31 |
| Embodiment 3 | 91.69 | 52.08 | 3.92 |
| Embodiment 4 | 91.48 | 50.72 | 3.25 |
| Embodiment 5 | 91.92 | 50.51 | 4.62 |
| Embodiment 6 | 92.96 | 51.47 | 3.61 |
| Embodiment 7 | 91.84 | 52.24 | 3.66 |
| Embodiment 8 | 91.77 | 50.83 | 3.69 |
| Original cloth | 62.21 | 57.27 | 0 |
| Traditional hydrogen peroxide bleaching | 88.62 | 51.53 | 9.94 |
Table three: the embodiment of the present invention is tested according to the bleaching effect of three pairs of flax rovings of application and its fabric
| Hunter whiteness | Hunter yellowing | Strength loss % | |
| Embodiment 1 | 91.68 | 53.63 | 4.43 |
| Embodiment 2 | 90.91 | 52.64 | 3.42 |
| Embodiment 3 | 91.28 | 51.98 | 4.99 |
| Embodiment 4 | 91.72 | 51.01 | 3.22 |
| Embodiment 5 | 92.11 | 53.58 | 3.43 |
| Embodiment 6 | 91.45 | 52.23 | 3.18 |
| Embodiment 7 | 92.44 | 52.32 | 4.41 |
| Embodiment 8 | 91.36 | 50.55 | 4.36 |
| Original cloth | 62.21 | 57.27 | 0 |
| Traditional hydrogen peroxide bleaching | 88.62 | 51.53 | 9.94 |
Table four: the embodiment of the present invention is tested according to the bleaching effect of four pairs of flax rovings of application and its fabric
The embodiment of the present invention rinses whiteness and is higher than traditional hydrogen peroxide bleaching, excellent effect, yellowing drop, mechanical loss compared with
It is small, sustained release bleaching effect with higher.
Claims (5)
1. a kind of glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer, which is characterized in that by following parts by weight
Several groups are grouped as: 1.2-1.4 parts of glycerol, 0.5-1.8 parts of sodium carboxymethylcellulose, 2.2-2.7 parts of soluble starch, water 10-
13 parts；The Compositional type stabilizer of hydrogen peroxide the preparation method comprises the following steps: water and glycerol are mixed and heated to 100 DEG C, solubility is formed sediment
Powder, which is added in mixing boiling liquid, to be stirred and evenly mixed, then stand at low temperature after carboxymethylcellulose sodium solution is slowly added dropwise；
The soluble starch is to analyze pure soluble starch, qualified to iodine sensitivity；Water dissolves pass the test；Ignition residue
≤ 0.5%；Loss on drying≤13%；Restore Fehling's reagent substance≤0.7%.
2. a kind of application of glycerol described in claim 1-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer,
Be characterized in that: the Compositional type hydrogen peroxide bleaching stabilizer is applied in the bleaching process of flax roving and its fabric.
3. the application of glycerol according to claim 2-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer,
It is characterized in that:
The technique for applying in bleach system the following steps are included: be added bleach activator 0.1-0.3g/L, hydrogen peroxide 1-
2g/L, glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer 2-3g/L, acid-base modifier 0.5-5g/L；
Unbleached flax roving and its fabric are put into dye bath according to bath raio 1:20-30, with the heating speed of 10-15 DEG C/min
Degree is warming up to 50-60 DEG C, keeps the temperature 10-15 minutes, and then white goods is washed, dries or dried.
4. the application of glycerol according to claim 2-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer,
Be characterized in that: the technique for applying in bleach system the following steps are included: be added bleach activator 0.1-0.2g/L, peroxidating
Hydrogen 1.5-2g/L, glycerol-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer 2-2.2g/L, acid-base modifier 0.5-
5g/L。
5. the application of glycerol according to claim 2-sodium carboxymethylcellulose Compositional type hydrogen peroxide bleaching stabilizer,
It is characterized in that: unbleached flax roving and its fabric being put into dye bath according to bath raio 1:20-25, with 10-15 DEG C/min's
Heating rate is warming up to 60 DEG C, keeps the temperature 10-12 minutes, and then white goods is washed, dries or dried.
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| CN109535444B (en) * | 2018-11-30 | 2021-01-26 | 泸州北方纤维素有限公司 | Bleaching process of hydroxyethyl cellulose |
| CN112080926A (en) * | 2019-06-13 | 2020-12-15 | 青岛奥洛思新材料有限公司 | Fibrilia oxygen bleaching catalyst and preparation process thereof |
| CN113117008B (en) * | 2021-04-30 | 2022-10-21 | 贵州汉方药业有限公司 | Preparation method of Zhibai Dihuang pills |
| CN113413369B (en) * | 2021-04-30 | 2022-10-21 | 贵州汉方药业有限公司 | Preparation method of flexible rejuvenation pills for children |
| CN113116997B (en) * | 2021-04-30 | 2022-10-21 | 贵州汉方药业有限公司 | Preparation method of storax pills |
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| CN1131218A (en) * | 1995-03-16 | 1996-09-18 | 王兆伟 | Fast bleaching agent aid for grey cloth and its use |
| CN101223312A (en) * | 2005-09-23 | 2008-07-16 | 东洋制铁化学株式会社 | Non-aqueous liquid oxygen bleaching composition |
| CN105625013A (en) * | 2016-01-25 | 2016-06-01 | 苏州印丝特纺织数码科技有限公司 | Polyacrylic acid type hydrogen peroxide stabilizer for weaving and preparation method thereof |
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|---|---|---|---|---|
| CN1047099A (en) * | 1989-05-11 | 1990-11-21 | 王铎 | High efficient liquid bleacher |
| CN1131218A (en) * | 1995-03-16 | 1996-09-18 | 王兆伟 | Fast bleaching agent aid for grey cloth and its use |
| CN101223312A (en) * | 2005-09-23 | 2008-07-16 | 东洋制铁化学株式会社 | Non-aqueous liquid oxygen bleaching composition |
| CN105625013A (en) * | 2016-01-25 | 2016-06-01 | 苏州印丝特纺织数码科技有限公司 | Polyacrylic acid type hydrogen peroxide stabilizer for weaving and preparation method thereof |
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