CN1007523B - Improved bleaching composition - Google Patents

Improved bleaching composition

Info

Publication number
CN1007523B
CN1007523B CN86107481A CN86104895A CN1007523B CN 1007523 B CN1007523 B CN 1007523B CN 86107481 A CN86107481 A CN 86107481A CN 86104895 A CN86104895 A CN 86104895A CN 1007523 B CN1007523 B CN 1007523B
Authority
CN
China
Prior art keywords
acid
bleaching
weight
copolymer
composition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CN86107481A
Other languages
Chinese (zh)
Other versions
CN86104895A (en
Inventor
京近直喜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kao Corp
Original Assignee
Kao Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kao Corp filed Critical Kao Corp
Publication of CN86104895A publication Critical patent/CN86104895A/en
Publication of CN1007523B publication Critical patent/CN1007523B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0605—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two belts, e.g. Hazelett-process
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00—Other railway systems
    • B61B13/12—Systems with propulsion devices between or alongside the rails, e.g. pneumatic systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0637—Accessories therefor
    • B22D11/068—Accessories therefor for cooling the cast product during its passage through the mould surfaces
    • B22D11/0685—Accessories therefor for cooling the cast product during its passage through the mould surfaces by cooling the casting belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
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    • B22D41/34—Supporting, fixing or centering means therefor
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    • B25C5/02—Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor with provision for bending the ends of the staples on to the work
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    • B25C5/0292—Hand-held stapling tools, e.g. manually operated, i.e. not resting on a working surface during operation with the objects to be stapled together introduced perpendicularly to the longitudinal axis of the tool in an opening formed by an anvil and a plunger
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    • B27K3/0292—Processes; Apparatus involving an additional treatment during or after impregnation for improving fixation
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    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
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    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/001—Heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/10—Forme cylinders
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    • B41F13/14—Registering devices with means for displacing the cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
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    • B41F13/16—Registering devices with means for displacing the printing formes on the cylinders
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Abstract

A bleaching improving composition particularly suitable for cellulose fibers comprises (a) a polymer, a copolymer or a salt thereof of maleic acid, acrylic acid or methacrylic acid and (b-1) a saccharose alcohol having the formula: CH2OH(CHOH)nCH2OH in which n is an integer of 2 to 6, (b-2) an aldonic acid having the formula: CH2OH(CHON)nCOOH in which n is an integer of 2 to 6, (b-3) a water-soluble salt of the alcohol or the acid or (b-4) a lactone of the alcohol or the acid. The composition is added to bleaching agents comprising hydrogen peroxide, alkali and sodium silicate.

Description

Improved bleaching composition
The invention relates to the bleaching modifier that is used for cellulose fibre, especially, the present invention relates to provide than containing in the common cellulose fibre bleaching bath resemble whiteness, feel and the sewing properties that the such bleaching of hard component suppresses the better off of factor.
Usually, in cellulose fibre, even after fiber is made with extra care and bleached, still keeping some natural colour.Equally also keeping the color caught.Conventional method for bleaching comprises peroxide bleaching, chlorine bleaching, methods such as chlorite bleaching, wherein, because the peroxide bleaching method is simple to operate, can realize bleaching and can damaged fiber, and whiteness can reach durability for a long time, thereby often used widely.
By the newborn oxygen oxidation that produces by peroxide and dyestuff in the cellulose fibre is decomposed reach peroxide bleaching.Because oxygenolysis can effectively carry out when pH value is alkalescence, thus the such alkaline agent of NaOH in system, should be used, and can use the stabilizing agent of sodium metasilicate as hydrogen peroxide dissociation reaction under the alkali condition.Therefore, bleaching composition comprises hydrogen peroxide, and (mol ratio is SiO for alkali (NaOH etc.) and sodium metasilicate 2: Na 2O=2.5: 1).During with the said composition bleached cellulose fibres, if hardness of water height, sodium metasilicate can combine with the hard component in the water, generate water-fast silicate, as calcium silicates and magnesium silicate etc., be deposited on the fiber, the whiteness of cotton can not be improved, and make its Boardy Feeling and thick, the coefficient of friction of Sewing machines syringe needle is strengthened.By the above as seen, need a kind of solution that addresses these problems.In the present circumstance, in order to address these problems, though used ethylenediamine tetra-acetic acid, diethylenetriamine pentaacetic acid, HEDTA, nitrilotriacetic acid(NTA), sodium phosphate trimer etc. by its situation, but its effect is always unsatisfactory, and the effective solution that addresses this problem can not be provided.
In addition, in hydrogen peroxide bleaching, also exist and relate to cellulose fibre and contact the problem that can become fragile with metal ion, particularly with iron, copper, the contact of magnesium etc.This is because of institute in bleaching process
According to the present invention, better as the number-average molecular weight of component (a) material in the bleaching improver at 300 to 8000 o'clock.
Can comprise alkali metal salt at this salt as component (a), ammonium salt, and alkanol amine salt as diethanolamine and triethanolamine, and the non-neutral composition, can exist and not hinder bleachability.
And; can be used as component (a) and do not hinder the polymer of bleachability or copolymer can comprise those polymer that form by other monomer copolymerizations beyond maleic acid, acrylic acid and the methacrylic acid; can comprise acrylamide, various sulfonic acid at this this used class monomer; as methacryl sulfonic acid or vinyl sulfonic acid; acrylic acid-2-hydroxyl ethyl ester; various acrylate, various methacrylics, but the material of N hydroxymethyl acrylamide or other copolymerization.
General formula (b) CH of the sugar alcohol of the component (b) of conduct bleaching improver among the present invention 2OH(CHOH) nCH 2OH represents that it comprises for example D-D-sorbite, D-mannitol, D-xylitol and red sweet dew octanol (erythromannooctitol).And, by general formula CH 2OH(CHOH) uronic acid represented of nCOOH can comprise, for example by aldose such as D-mannose, and the uronic acid that D-wood sugar and D-glucose obtain.And water soluble salt that these are sour such as sodium salt such as sylvite or these sour lactones also can use.
According to the present invention, above-mentioned component (a) and component (b) can be mixed use at the bleaching improver that is used for cellulose fibre, wherein, component (a) and (b) between mixed weight than at (a): (b)-10～90: 90～10 ratio range in better, at (a): (b)-40～60: in 60～40 the scope better.
The used cellulose fibre bleaching improver of the present invention also can mix with anion surfactant, cationic surfactant and non-ionic surface active agent, and can not influence bleachability.According to the present invention, those surfactants that can add in the bleaching improver of cellulose fibre comprise the polyoxyethylene alkyl ether of for example polyoxyethylene alkyl ether, polyoxyethylene alkyl amine, sulfonation, the fatty acid ester and the front three ammonia lactone amphoteric surfactant of sulfonation.
According to the present invention, use the scope of bleaching the improver aequum usually 0.01 to 20 grams per liter (pressing the solid content conversion) for bleaching bath, and better at 0.04 to 10 grams per liter (pressing the solid content conversion).
According to the present invention, the cellulose fibre native cellulose fibre of available bleaching modifier bleaching is as outside cotton and the lingerie, also comprise the blended fiber of forming by native cellulose fibre and synthetic cellulose such as nylon, polyester and propylene class, also comprise the blended fiber with semisynthetic fibre such as acetates, and with the blended fiber of regenerated fiber such as artificial fibre and cuprammonium rayon.And the fiber of bleaching can be any form, as fiber, and cord, slibers, cheese, Textile Fibre Product, braided fiber goods, non-woven fiber product and final fiber product such as the articles for use in clothes or living room.
Method commonly used just can be used as the method for bleached cellulose fibres and uses, and the method that can also use comprises filling-steaming process (pad-steam), pressurization boiling process, the similar approach such as infusion process in 60 ℃ to 100 ℃ temperature range.
In addition, bleaching improver of the present invention not only can be used as aforesaid bleaching process, and can bleach simultaneously as washing (scouring) bleaching and destarch detergent bleach with other processes.
Even at hydrogen peroxide, there are the bleaching of carrying out cellulose fibre down simultaneously in alkali and sodium metasilicate and bleaching improver of the present invention, can make fiber have the whiteness more excellent, feel and sewing properties than conventional bleaching method, and hardness of water height in the conventional bleaching method, and contain metal ion such as the iron ion that quickens hydrogen peroxide decomposes in the water.
Although it is also not fully aware of to use bleaching improver of the present invention and hydrogen peroxide, alkali and magnesium silicate can solve the bleaching Failure Mechanism during at present for bleached cellulose fibres simultaneously, but it may be the chelation of metal ion of the excellence that had owing to bleaching improver of the present invention, promptly under the too high situation of hardness of water, the hard component chelating in bleaching improver of the present invention and the water and stop the formation of non-water soluble substance or make and stop these materials to be deposited on the fiber once more from the diffusion of the water-soluble substances in the water or on the fiber and with this.Contain in system under the situation of the material that makes the hydrogen peroxide accelerated decomposition, as contain iron ion, this improver will make metal ion-chelant or diffusion, prevent that with this these metal ions from contacting with fiber.
Mainly narrate the present invention below, but the present invention is not limited only to these methods by reference mix embodiment and work embodiment.
(mix embodiment) these mix embodiment are listed in table 1, all as the bleaching improver that is used for cellulose fibre of the present invention.
Diethylenetriamine pentaacetic acid mixes with 50: 50 weight ratio with the D-D-sorbite, and mix embodiment 1 as a comparison.
Table 1
Mix embodiment product of the present invention
Component 12345678
(a) Sodium Polyacrylate 40 60 10
(molecular weight about 5000)
Ammonium polyacrylate 20
(molecular weight about 8000)
Poly sodium 50
(molecular weight about 1000)
The sodium salt 60 90 of copolymer (1)
(molecular weight about 3000)
The sodium salt 30 of copolymer (2)
(molecular weight about 6000)
(b) the D-D-sorbite 60 50 70 90
Gluconic acid sodium salt 80 40 40 10
Annotate: mixing ratio is the ratio of weight portion
Use by VPO(vapour pressure osmotic pressure) number-average molecular weight measured of method represents its molecular weight.
Copolymer (1): maleic acid/acrylic acid=0.1/1.0(mol ratio)
Copolymer (2): maleic acid/acrylic acid=0.1/1.0(mol ratio)
Embodiment 1
With bleaching improver bleaching washing of the present invention, the laminar braided fiber goods of true qualities are also checked its bleachability, and the result is as shown in table 2.
Conditions of bleaching:
25 ° of DH of used hardness of water
Bath raio 1: 25
80 ℃ of temperature
30 minutes time
Used chemicals sees Table 2
Estimate:
Differentiate the feel of the cotton of treated mistake by sensory testing's method.Use the SM-3 type SM color calculation machine of making by Suga Tester K.K. to measure its whiteness, and determine that according to the whiteness formulas of laboratory system (Lab system) whiteness (W) estimates:
W＝100-[（100-L） 2+a 2+b 2] 1/2
Wherein: the brightness that L=measures,
The chromaticity coefficent that a=measures,
The chromaticity coefficent that b=measures.
Sew up the four stacking cottons that close with sealed Sewing machines and #11 S pin plane and reach more than 30 centimeter length, estimate its sewing properties with the number of the final disconnection of the fine rule that uses.
Figure 86104895_IMG1
Obviously find out by table 2, only use hydrogen peroxide, sample (No. 1) Boardy Feeling of NaOH and the bleaching of #3 sodium metasilicate, whiteness and the property sewed up are poor, and the bleachability of the sample of the sample (No. 2～No. 4) of use ethylenediamine tetra-acetic acid bleaching or the control compounds that mixes does not show introduces the improved action of noting.Otherwise, mix and use the sample (No. 5～No. 12) of bleaching improver bleaching of the present invention to show the effect that feel is soft, whiteness is excellent and sewing properties is excellent, demonstrate gratifying bleachability thus.And, mix to use Sodium Polyacrylate to cooperate one of raw material of product as the present invention, feel is soft for the sample of then bleaching (No. 3), whiteness and sewing properties are better, but it does not reach the level that bleaching improver of the present invention is reached.
Embodiment 2
The wide cut cotton of destarch is directly bleached under the situation that iron ion exists without washing, checks bleachability, the results are shown in table 3.
Conditions of bleaching:
Fe +++Concentration 5ppm
Bath raio 1: 80
80 ℃ of temperature
30 minutes time
Used chemicals sees Table 3
Estimate:
Measure whiteness (W) by the method identical, make evaluation thus with embodiment 1.Can use Elmendorf (Elmendorf) to spread and split tester measurement tearing strength, specimen two ends that are of a size of 10 centimetres of 6.5 cm x (yarn direction is along long dimensional directions) are clamped, one 2 centimetres otch is vertically cut at the position therebetween, measure the shown maximum of this some gram number tearing to 4.5 centimeters, measure 3 times, get its mean value, and, calculate quotient as its tearing strength with the measured value of this value divided by undressed cotton.
Figure 86104895_IMG2
Can find out obviously that from the result of table 3 only the whiteness of the sample of bleach with hydrogen peroxide and sodium peroxide (No. 13) is poor, tearing strength decline is very big.Promptly mix the use diethylenetriamine pentaacetic acid with mixing comparative example 1, the sample that Sodium Polyacrylate and gluconic acid sodium salt were bleached (No. 14) bleachability does not improve fully yet.And on the other hand, mix the sample (18～No. 25) that uses bleaching improver of the present invention to bleach and but show satisfactory performance.
Embodiment 3
The twill cotton fiber goods that process detergent bleach method was bleached bleach and evaluate the pollution condition of this cotton in the presence of the iron ion of higher concentration.It the results are shown in table 4.
Conditions of bleaching:
Fe +++Concentration 20ppm
Bath raio 1: 80
80 ℃ of temperature
30 minutes time
Used chemicals sees Table 4
Estimate:
Measure whiteness (W) and tearing strength by the method identical, estimate its bleachability thus with embodiment 2.
This example shows, because its whiteness is lower than the whiteness of raw material cotton, so the pollution of the damage ratio raw material cotton of cotton is more serious.
By the result shown in the table 4 as seen, only the sample of bleaching with hydrogen peroxide and sodium peroxide (No. 26) is subjected to severe contamination, and tearing strength also descends very big.Mix and use diethylenetriamine pentaacetic acid, the D-D-sorbite mixes comparison example, and the sample (27～No. 30) of copolymer bleachings such as (1) shows that pollution does not improve yet.And on the other hand, the sample (31～No. 38) that mix to use bleaching improver of the present invention bleach but can significantly prevent pollution, and shown whiteness and tearing strength are similar to the whiteness and the tearing strength of raw material cotton.

Claims (5)

1, a kind of composition that is used to improve the effect of cellulose fibre bleaching bath, it contains the polymer or the copolymer of (a) maleic acid, acrylic acid, methacrylic acid or its salt of 10-90% (weight), the number-average molecular weight of this polymer or copolymer is 300 to 8000, one or more compounds that also contain 90-10% (weight), being selected from (b-1) general formula is CH 2OH (CHOH) nCH 2The sucrose alcohol of OH (n is 2 to 6 integer in the formula), (b-2) general formula is CH 2OH (CHOH) nThe uronic acid of COOH (n is 2 to 6 integer in the formula), (b-3) water-soluble glycuronate and (b-4) lactone of this uronic acid.
2, the composition of claim 4 mainly contains 40%(weight) molecular weight be about 5000 Sodium Polyacrylate and 60%(weight) the D-D-sorbite.
3, the composition of claim 4 mainly contains 60%(weight) the sodium salt and the 40%(weight of maleic acid/acrylic copolymer) gluconic acid sodium salt, maleic acid and acrylic acid mol ratio are that 0.1/1.0 and molecular weight are about 3000 in the copolymer.
4, the composition of claim 4 mainly contains 60%(weight) molecular weight be about 5000 Sodium Polyacrylate and 40%(weight) gluconic acid sodium salt.
5, the improvements of bleached cellulose fibres method are included in and contain hydrogen peroxide, impregnation of fibers in the bleaching bath aqueous solution of alkali and claim 4.
CN86107481A 1985-08-05 1986-08-04 Improved bleaching composition Expired CN1007523B (en)

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