CN101816541B - Wet process PU cleaning cloth and manufacturing method thereof - Google Patents
Wet process PU cleaning cloth and manufacturing method thereof Download PDFInfo
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- CN101816541B CN101816541B CN2010101218960A CN201010121896A CN101816541B CN 101816541 B CN101816541 B CN 101816541B CN 2010101218960 A CN2010101218960 A CN 2010101218960A CN 201010121896 A CN201010121896 A CN 201010121896A CN 101816541 B CN101816541 B CN 101816541B
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Abstract
The invention relates to the technical field of cleaning cloth production, in particular to a wet process PU cleaning cloth. The cleaning cloth comprises a base fabric the surface of which has villus or looped pile, the base fabric is internally provided with PU size, and the surface of the base fabric is covered with a PU size layer the thickness of which is smaller than the height of the base fabric villus or the base fabric looped pile. The cleaning cloth is manufactured by the steps of impregnating, scraping, solidifying, rinsing, drying and the like, and the PU size for impregnation comprises the following components in parts by weight: 100 parts of polyurethane resin, 120-200 parts of dimethylformamide, 5-10 parts of lignocellulose, 0.2-1 part of water absorbent aids, 5-10 parts of amphoteric softening agent and 3-4 parts of micropore conditioning aids. The cleaning cloth manufactured by the method in the invention has strong decontamination capacity, good water absorbtion performance, hydrolysis resistance, flexing endurance, abrasion resistance, high tensile strength, flexibility and good handfeel, and generates no damage on wiped high-grade objects and precision instruments.
Description
Technical field
The present invention relates to the cleaning cloth production technical field, particularly a kind of wet process PU cleaning cloth and manufacture method thereof.
Background technology
Cleaning cloth is a decontamination instrument commonly used in people's daily life, generally reinforce by processing methods such as chemical adhesion, heat bonding or water thorns and form by superfine fibre or dacron membrane, superfine fibre has good wettability power, be applicable in the moist environment, but it is not suitable for the wiping stain, its scuff resistance is low, use back fiber comes off easily, causes once more and pollutes; Dacron membrane has good intensity and elasticity, but its wettability power is poor, is not used in the moist environment, because itself hardness is bigger, when the high-grade article of wiping, precision instrument surface, easily damage is caused on high-grade article, precision instrument surface.
Also have by the production method that changes cleaning cloth and improve the dirt-removing power of cleaning cloth and abrasive resistance, as Chinese patent application (application number: 200410099004.6) disclose a kind of cleaning cloth and production method thereof, the technological process of this cleaning cloth production is: non-woven base fabric is flooded, and then carry out foamed printing, make the surface coverage foaming layer of base cloth, but the cleaning cloth that this method is produced is in repeatedly back fracture easily of bending, soft inadequately, tensile strength is lower, airtight, wettability power is low, and the cleaning cloth surface that this method is produced is the stamp after the foaming, is unsuitable for the high-grade article of wiping, precision instrument.
Summary of the invention
The objective of the invention is to overcome the above-mentioned shortcoming that prior art exists, a kind of wet process PU cleaning cloth and manufacture method thereof are provided, the cleaning cloth dirt-removing power of producing by manufacture method of the present invention is strong, water absorbing properties good, hydrolysis, anti-complications, wear-resistant, tensile strength is high, flexibility and good hand touch, can not produce damage to high-grade article, the precision instrument of wiping.
The technical solution adopted for the present invention to solve the technical problems is: a kind of wet process PU cleaning cloth, comprise that the surface has the base cloth of fine hair or looped pile, described base cloth contains the PU slurry, and the base cloth surface also is coated with the PU pulp layer, and the thickness of PU pulp layer is less than the height of base cloth fine hair or base cloth looped pile.The base cloth that the surface has fine hair or looped pile has good wettability power, the PU slurry infiltrates in the base cloth and is covered in the upper and lower surface of base cloth, setting can make product positive and negative of the present invention all can use like this, the PU pulp layer can improve the physical property of base cloth, as water imbibition, anti-complications, wear-resistant, flexibility etc., the PU pulp layer is hidden under base cloth fine hair or the base cloth looped pile, product of the present invention sees to be exactly a common cloth from appearance, fine hair, looped pile can be stronger in the outermost dirt-removing power, also can not produce damage to high-grade article, the precision instrument of wiping.
The component of described PU slurry is as follows, is weight portion: 100 parts of polyurethane resins, 120～200 parts of dimethyl formamides, 5～10 parts of lignocellulosics, 0.2～1 part of auxiliary agent of suction, 5～10 parts of both sexes softening agents, micropore are adjusted 3～4 parts of auxiliary agents.
The thickness of PU pulp layer is 0.5～1.5mm.
A kind of manufacture method of wet process PU cleaning cloth may further comprise the steps:
A, configuration PU slurry;
The PU slurry of the present invention's configuration is different from the PU slurry of common wet method PU Process configuration, the present invention has added suction auxiliary agent and both sexes softening agent in the PU slurry, the application of suction auxiliary agent and both sexes softening agent can solve some defectives that PU is applied to exist in the cleaning cloth manufacturing, the suction auxiliary agent is buied from the market, manufacturer: Shaoxing, Zhejiang Province city Ke Qiao Bai Da auxiliary reagent factory, model: B-08, the suction auxiliary agent can further improve wettability power of the present invention; The both sexes softening agent is also buied from the market, main component is an organosilicon, manufacturer: the blue number chemical industry in Hefei City, Anhui Province Co., Ltd, model: LK-136, the both sexes softening agent dissolves in organic solvent, also can be partially soluble in water, the both sexes softening agent is not reducing the elasticity and the flexibility that can significantly improve this product under the physical property situation of PU pulp layer, makes good hand touch of the present invention;
B, base cloth is put into the PU slurry flood, send into behind the dipping and be coated with platform, adjust the gap of painting cloth-knife, the clearance control of described painting cloth-knife is 0.4mm～1.5mm, the base cloth behind the dipping is coated with scrapes then, and the speed of a motor vehicle is 15～20 meters/minute;
This step is that base cloth is put into the impregnation of PU slurry, and impregnation makes the PU slurry infiltrate in the base cloth fibre gap, has improved the intensity of base cloth, uses back base cloth fiber difficult drop-off repeatedly, and wearability is good; Base cloth behind the dipping has received a large amount of PU slurries, need to use painting cloth-knife that PU slurry unnecessary on the base cloth is removed, make the PU slurry only be covered in base cloth inside, and do not cover base cloth fine hair or base cloth looped pile, fine hair, looped pile are strong in the appearance dirt-removing power, can not produce damage to high-grade article, the precision instrument of wiping; The gap of painting cloth-knife is adjusted according to the different of base cloth with the speed of a motor vehicle, and base cloth thickness is big, and the speed of a motor vehicle is slow, and base cloth thickness is little, and the speed of a motor vehicle is fast;
C, b step is coated with base cloth after scraping puts into coagulation tank and solidify, is the mixed liquor of dimethyl formamide and water in the described coagulation tank, and the concentration of dimethyl formamide is 20～25%, and the temperature of described coagulation tank is 30～40 ℃;
The purpose of this step is to allow the PU slurry solidify, and makes the PU slurry be fixed on the base cloth;
D, the base cloth after c step solidified carry out the washing of 12 roads, contain concentration in the water lotion of last one washing step and be 0.2～0.5% both sexes softening agent;
Water-washing step can make the PU slurry further solidify, because the dimethyl formamide hydrophily is strong, the also recyclable unnecessary dimethyl formamide of water-washing step has alleviated problem of environmental pollution; Washing comprises 12 road washing steps, the washing liquid level clear water of preceding 10 one washing steps, and the water lotion of the 12 road washing step is the mixed liquor of water and both sexes softening agent, the adding of both sexes softening agent is in order to make product more soft, good hand touch;
E, with the oven dry of the base cloth after the d step washing, the temperature of oven dry is controlled at 150～175 ℃, promptly obtains finished product after the oven dry, the thickness of finished product PU pulp layer is 0.5～1.5mm, the base cloth surface covers 30～100 gram PU slurries for every square metre;
After the oven dry of this step, just can obtain finished product, the thickness of PU pulp layer has nothing in common with each other on the base cloth of different-thickness;
As preferably, the component of described PU slurry is as follows, is weight portion: 100 parts of polyurethane resins, 120～200 parts of dimethyl formamides, 5～10 parts of lignocellulosics, 0.2～1 part of auxiliary agent of suction, 5～10 parts of both sexes softening agents, micropore are adjusted 3～4 parts of auxiliary agents.Polyurethane resin is PU, and polyurethane resin is buied from the market, and polyurethane resin is a solvent type polyurethane resin, is specifically designed to wet method PU technology, and solid composition (being polyurethane) is 30% in this polyurethane resin, and DMF has accounted for 70%; Dimethyl formamide (DMF), effect is as solvent; The effect of lignocellulosic is to increase foaming, improves the pliability of the cleaning cloth of the present invention's production, improves the feel (when not adding lignocellulosic, the rubber sense is stronger, and feel is poor) of the cleaning cloth of the present invention's production; The suction auxiliary agent has improved the wettability power of the cleaning cloth of the present invention's production, thereby has increased dirt-removing power; The both sexes softening agent can be dissolved in organic solvent, also water soluble, and the both sexes softening agent is not reducing the elasticity and the flexibility that can significantly improve this product under the physical property situation of PU pulp layer; Micropore is adjusted the size that auxiliary agent is used to regulate PU pulp layer foaming hole, improves pliability, improves feel, accelerates the setting rate of PU slurry, thereby has improved production efficiency.
As preferably, described micropore is adjusted auxiliary agent and is made up of nonionic micropore adjustment auxiliary agent and anion micropore adjustment auxiliary agent, wherein nonionic micropore adjustment auxiliary agent adds 1 part by weight in the component of PU slurry, and the anion micropore is adjusted auxiliary agent and added 2～3 parts by weight in the component of PU slurry.The nonionic micropore is adjusted auxiliary agent, chemical name: sorbitan monooleate, effect: emulsification is wetting and regulate the polyurethane resin setting rate, prevents that the polyurethane resin surface from solidifying rapidly and its inner DMF does not cement out, and can make PU pulp layer foaming hole become big simultaneously; The anion micropore is adjusted auxiliary agent, the fast penetrant t of also expressing one's gratification, chemical name: sodium diethylhexyl sulfosuccinate, effect: improve the exchange velocity of water and DMF, thereby improve the setting rate of polyurethane resin, and PU pulp layer foaming hole is diminished.
As preferably, described base cloth is towelling or the woven cloth of superfine fibre.Common selected base cloth is a nonwoven, compares with nonwoven: the towelling wettability power is strong, good springiness; The woven cloth of superfine fibre, good hand touch, wettability power is strong, not the high-grade article of easy damaged, precision instrument surface.The fiber of the woven cloth of superfine fibre is because diameter is very little, so its bending stiffness is very little, fiber feel particularly soft; The specific fiber surface of the woven cloth of superfine fibre is long-pending very big, and the big fiber of specific area is more with the number of times that dust or greasy dirt contact, and greasy dirt is more from the chance of slit infiltration between fiber surface, therefore has extremely strong cleaning function; Superfine fibre has many fine holes between microfibre, form the capillary structure, has high-hydroscopicity.
Advantage of the present invention is:
The present invention with towelling or the woven cloth of superfine fibre as base cloth, containing soaking technology through wet method is machined to the PU slurry and makes cleaning cloth on the base cloth, the cleaning cloth of Sheng Chaning, hydrolysis, anti-complications, tensile strength height like this, flexibility and good hand touch can not produce damage to high-grade article, the precision instrument of wiping; The PU slurry fully infiltrates in the base cloth fibre gap, has improved the intensity of base cloth, uses back base cloth fiber difficult drop-off repeatedly; The lignocellulosic that adds in the production technology, suction auxiliary agent, softening agent, micropore are adjusted auxiliary agent etc., cleaning cloth water absorbing properties, flexibility and feel that the present invention produces have further been improved, the component of PU slurry is the asepsis environment-protecting material, can not pollute environment.
Description of drawings
Fig. 1 is a kind of sectional structure schematic diagram of the present invention;
Fig. 2 is the another kind of sectional structure schematic diagram of the present invention.
Among the figure: 1, base cloth, 2, the PU pulp layer, 3, base cloth fine hair, 4, the base cloth looped pile.
The specific embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1:
A kind of wet process PU cleaning cloth (referring to accompanying drawing 1), comprise that the surface has the base cloth 1 of fine hair, base cloth 1 is the woven cloth of superfine fibre, the upper and lower surface of this base cloth 1 all is coated with PU pulp layer 2, the PU slurry infiltrates base cloth 1 internal fiber space simultaneously, and the thickness of PU pulp layer 2 is less than the height of base cloth fine hair 3.
This wet process PU cleaning cloth forms by the following steps manufacturing:
A, configuration PU slurry, the PU slurry is grouped into by following one-tenth, is weight portion: 100 parts of polyurethane resins, 120 parts of dimethyl formamides, 5 parts of lignocellulosics, 0.2 part of auxiliary agent of suction, 5 parts of both sexes softening agents, nonionic micropore are adjusted 1 part of auxiliary agent, the anion micropore is adjusted 2 parts of auxiliary agents;
B, the woven cloth of selection superfine fibre are base cloth, the woven cloth of superfine fibre is put into the PU slurry flood, taking-up superfine fibre woven cloth in dipping back is sent into and is coated with platform, and the gap of adjusting painting cloth-knife is 0.4 mm, then the woven cloth of superfine fibre behind the dipping is coated with and scrapes, the speed of a motor vehicle is 20 meters/minute;
C, b step is coated with the woven cloth of superfine fibre after scraping puts into coagulation tank and solidify, is the mixed liquor of dimethyl formamide and water in the coagulation tank, and the concentration of dimethyl formamide is 20%, and the temperature of coagulation tank is 30 ℃;
D, the woven cloth of superfine fibre after with clear water c step being solidified carry out the washing of 12 roads, at the 12 road washing step, when being last one washing step, use the clear water that contains the both sexes softening agent to the woven cloth washing of superfine fibre, the concentration of softening agent is 0.2% in this washing step clear water;
E, the woven cloth of superfine fibre that d is gone on foot after washing move to drying in oven, and temperature of oven is controlled at 150 ℃, promptly obtains finished product after the oven dry, and the thickness of finished product PU pulp layer is 0.5mm, and the woven cloth of superfine fibre surface covers 30 gram PU slurries for every square metre.
The test report of the wet process PU cleaning cloth that the method by present embodiment is made:
1. hot strength: vertically 〉=180N/cm, laterally 〉=140N/cm;
2. tearing strength: vertically 〉=20N, laterally 〉=30N;
3. grammes per square metre: 230～240g/m
2
4. thickness: 0.45～0.5mm; Width: 1.4～1.42m;
5. water imbibition:
Method of testing one: the bar-shaped sample of getting long 20cm, wide 5cm, vertically hang on the testing jig, water pond is put in the lower end of bar-shaped sample, observe the wet seal height that bar-shaped sample suction back forms after ten minutes, be the height that water is climbed, this is the vertical distance between the peak of climbing on the bar-shaped sample for the horizontal plane of water and water highly;
The test result contrast:
When bar-shaped sample was the wet process PU cleaning cloth of present embodiment, the wet seal height (height that water is climbed) that the suction back forms was 16cm;
When bar-shaped sample was common cleaning cloth, the wet seal that the suction back forms highly (height that water is climbed) was 10cm;
Method of testing two: water is sprinkled upon on glass, wet process PU cleaning cloth and common cleaning cloth with present embodiment carries out wiping to water on glass in an identical manner respectively, use and on glassly after the wet process PU cleaning cloth wiping of present embodiment not stay any water mark, and water mark on glass is obvious after using common cleaning cloth wiping;
6. hydrolytic resistance:
The wet process PU cleaning cloth of present embodiment and common cleaning cloth are soaked with 10% NaOH solution respectively, and the wet process PU cleaning cloth of present embodiment does not have the hydrolysis sign after 24 hours, and that common cleaning cloth can fluff is soft.
Embodiment 2:
A kind of wet process PU cleaning cloth (referring to accompanying drawing 1), comprise that the surface has the base cloth 1 of fine hair, base cloth 1 is the woven cloth of superfine fibre, the upper and lower surface of this base cloth 1 all is coated with PU pulp layer 2, the PU slurry infiltrates base cloth 1 internal fiber space simultaneously, and the thickness of PU pulp layer 2 is less than the height of base cloth fine hair 3.
This wet process PU cleaning cloth forms by the following steps manufacturing:
A, configuration PU slurry, the PU slurry is grouped into by following one-tenth, is weight portion: 100 parts of polyurethane resins, 200 parts of dimethyl formamides, 10 parts of lignocellulosics, 1 part of auxiliary agent of suction, 10 parts of both sexes softening agents, nonionic micropore are adjusted 1 part of auxiliary agent, the anion micropore is adjusted 3 parts of auxiliary agents;
B, the woven cloth of selection superfine fibre are base cloth, the woven cloth of superfine fibre is put into the PU slurry flood, taking-up superfine fibre woven cloth in dipping back is sent into and is coated with platform, and the gap of adjusting painting cloth-knife is 0.8mm, then the woven cloth of superfine fibre behind the dipping is coated with and scrapes, the speed of a motor vehicle is 15 meters/minute;
C, b step is coated with the woven cloth of superfine fibre after scraping puts into coagulation tank and solidify, is the mixed liquor of dimethyl formamide and water in the coagulation tank, and the concentration of dimethyl formamide is 25%, and the temperature of coagulation tank is 40 ℃;
D, the woven cloth of superfine fibre after with clear water c step being solidified carry out the washing of 12 roads, at the 12 road washing step, when being last one washing step, use the clear water that contains the both sexes softening agent to the woven cloth washing of superfine fibre, the concentration of softening agent is 0.5% in this washing step clear water;
E, the woven cloth of superfine fibre that d is gone on foot after washing move to drying in oven, and temperature of oven is controlled at 175 ℃, promptly obtains finished product after the oven dry, and the thickness of finished product PU pulp layer is 0.9mm, and the woven cloth of superfine fibre surface covers 60 gram PU slurries for every square metre.
The test report of the wet process PU cleaning cloth that the method by present embodiment is made is with embodiment 1.
Embodiment 3:
A kind of wet process PU cleaning cloth (referring to accompanying drawing 2), comprise that the surface has the base cloth 1 of looped pile, base cloth 1 is a towelling, and the upper and lower surface of this base cloth 1 all is coated with PU pulp layer 2, the PU slurry infiltrates base cloth 1 internal fiber space simultaneously, and the thickness of PU pulp layer 2 is less than the height of base cloth looped pile 4.
This wet process PU cleaning cloth forms by the following steps manufacturing:
A, configuration PU slurry, the PU slurry is grouped into by following one-tenth, is weight portion: 100 parts of polyurethane resins, 120 parts of dimethyl formamides, 5 parts of lignocellulosics, 0.2 part of auxiliary agent of suction, 5 parts of both sexes softening agents, nonionic micropore are adjusted 1 part of auxiliary agent, the anion micropore is adjusted 2 parts of auxiliary agents;
B, selection towelling are base cloth, towelling is put into the PU slurry flood, and taking-up towelling in dipping back is sent into and is coated with platform, and the gap of adjusting painting cloth-knife is 0.9mm, the towelling behind the dipping is coated with scrapes then, and the speed of a motor vehicle is 20 meters/minute;
C, b step is coated with towelling after scraping puts into coagulation tank and solidify, is the mixed liquor of dimethyl formamide and water in the coagulation tank, and the concentration of dimethyl formamide is 20%, and the temperature of coagulation tank is 30 ℃;
D, the towelling after with clear water c step being solidified carry out the washing of 12 roads, at the 12 road washing step, when being last one washing step, use the clear water that contains the both sexes softening agent that towelling is washed, the concentration of both sexes softening agent is 0.2% in this washing step clear water;
E, the towelling that d is gone on foot after washing move to drying in oven, and temperature of oven is controlled at 150 ℃, promptly obtains finished product after the oven dry, and the thickness of finished product PU pulp layer is 1.0mm, and the towelling surface covers 70 gram PU slurries for every square metre.
The test report of the wet process PU cleaning cloth that the method by present embodiment is made:
1. hot strength: vertically 〉=60N/cm, laterally 〉=40N/cm;
2. tearing strength: vertically 〉=30N, laterally 〉=30N;
3. grammes per square metre: 320～330g/m
2
4. thickness: 1.2～1.25mm; Width: 1.38～1.42m;
5. water imbibition:
Method of testing one: the bar-shaped sample of getting long 20cm, wide 5cm, vertically hang on the testing jig, water pond is put in the lower end of bar-shaped sample, observe the wet seal height that bar-shaped sample suction back forms after ten minutes, be the height that water is climbed, this is the vertical distance between the peak of climbing on the bar-shaped sample for the horizontal plane of water and water highly;
The test result contrast:
When bar-shaped sample was the wet process PU cleaning cloth of present embodiment, the wet seal height (height that water is climbed) that the suction back forms was 16cm;
When bar-shaped sample was common cleaning cloth, the wet seal that the suction back forms highly (height that water is climbed) was 10cm;
Method of testing two: water is sprinkled upon on glass, wet process PU cleaning cloth and common cleaning cloth with present embodiment carries out wiping to water on glass in an identical manner respectively, use and on glassly after the wet process PU cleaning cloth wiping of present embodiment not stay any water mark, and water mark on glass is obvious after using common cleaning cloth wiping;
6. hydrolytic resistance:
The wet process PU cleaning cloth of present embodiment and common cleaning cloth are soaked with 10% NaOH solution respectively, and the wet process PU cleaning cloth of present embodiment does not have the hydrolysis sign after 24 hours, and that common cleaning cloth can fluff is soft.
Embodiment 4:
A kind of wet process PU cleaning cloth (referring to accompanying drawing 2), comprise that the surface has the base cloth 1 of looped pile, base cloth 1 is a towelling, and the upper and lower surface of this base cloth 1 all is coated with PU pulp layer 2, the PU slurry infiltrates base cloth 1 internal fiber space simultaneously, and the thickness of PU pulp layer 2 is less than the height of base cloth looped pile 4.
This wet process PU cleaning cloth forms by the following steps manufacturing:
A, configuration PU slurry, the PU slurry is grouped into by following one-tenth, is weight portion: 100 parts of polyurethane resins, 200 parts of dimethyl formamides, 10 parts of lignocellulosics, 1 part of auxiliary agent of suction, 10 parts of both sexes softening agents, nonionic micropore are adjusted 1 part of auxiliary agent, the anion micropore is adjusted 3 parts of auxiliary agents;
B, selection towelling are base cloth, towelling is put into the PU slurry flood, and taking-up towelling in dipping back is sent into and is coated with platform, and the gap of adjusting painting cloth-knife is 1.5mm, the towelling behind the dipping is coated with scrapes then, and the speed of a motor vehicle is 15 meters/minute;
C, b step is coated with towelling after scraping puts into coagulation tank and solidify, is the mixed liquor of dimethyl formamide and water in the coagulation tank, and the concentration of dimethyl formamide is 25%, and the temperature of coagulation tank is 40 ℃;
D, the towelling after with clear water c step being solidified carry out the washing of 12 roads, at the 12 road washing step, during promptly last one washing step, use the clear water that contains the both sexes softening agent that towelling is washed, and the concentration of softening agent is 0.5% in this washing step clear water;
E, the towelling that d is gone on foot after washing move to drying in oven, and temperature of oven is controlled at 175 ℃, promptly obtains finished product after the oven dry, and the thickness of finished product PU pulp layer is 1.5mm, and the towelling surface covers 100 gram PU slurries for every square metre.
The test report of the wet process PU cleaning cloth that the method by present embodiment is made is with embodiment 3.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technical staff of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (6)
1. wet process PU cleaning cloth, comprise that the surface has the base cloth of fine hair or looped pile, it is characterized in that: described base cloth contains the PU slurry, the base cloth surface also is coated with the PU pulp layer, the thickness of PU pulp layer is less than the height of base cloth fine hair or base cloth looped pile, the component of described PU slurry is as follows, is weight portion: 100 parts of polyurethane resins, 120～200 parts of dimethyl formamides, 5～10 parts of lignocellulosics, 0.2～1 part of auxiliary agent of suction, 5～10 parts of both sexes softening agents, micropore are adjusted 3～4 parts of auxiliary agents.
2. wet process PU cleaning cloth according to claim 1 is characterized in that: the thickness of PU pulp layer is 0.5～1.5mm.
3. wet process PU cleaning cloth according to claim 1 and 2 is characterized in that: described base cloth is a towelling.
4. the manufacture method of a wet process PU cleaning cloth is characterized in that:
May further comprise the steps:
A, configuration PU slurry, the component of described PU slurry is as follows, is weight portion: 100 parts of polyurethane resins, 120～200 parts of dimethyl formamides, 5～10 parts of lignocellulosics, 0.2～1 part of auxiliary agent of suction, 5～10 parts of both sexes softening agents, micropore are adjusted 3～4 parts of auxiliary agents;
B, base cloth is put into the PU slurry flood, send into behind the dipping and be coated with platform, adjust the gap of painting cloth-knife, the clearance control of described painting cloth-knife is 0.4mm～1.5mm, the base cloth behind the dipping is coated with scrapes then;
C, b step is coated with base cloth after scraping puts into coagulation tank and solidify, is the mixed liquor of dimethyl formamide and water in the described coagulation tank, and the concentration of dimethyl formamide is 20～25%, and the temperature of described coagulation tank is 30～40 ℃;
D, the base cloth after c step solidified carry out the washing of 12 roads, contain concentration in the water lotion of last one washing step and be 0.2～0.5% both sexes softening agent;
E, the oven dry of the base cloth after will washing, the temperature of oven dry is controlled at 150～175 ℃, promptly obtains finished product after the oven dry, and the thickness of finished product PU pulp layer is 0.5～1.5mm, and the base cloth surface covers 30～100 gram PU slurries for every square metre.
5. the manufacture method of wet process PU cleaning cloth according to claim 4, it is characterized in that: described micropore is adjusted auxiliary agent and is made up of nonionic micropore adjustment auxiliary agent and anion micropore adjustment auxiliary agent, wherein nonionic micropore adjustment auxiliary agent adds 1 part by weight in the component of PU slurry, and the anion micropore is adjusted auxiliary agent and added 2～3 parts by weight in the component of PU slurry.
6. according to the manufacture method of claim 4 or 5 described wet process PU cleaning cloths, it is characterized in that: described base cloth is a towelling.
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|---|---|---|---|---|
| JP3215077B2 (en) * | 1997-10-14 | 2001-10-02 | 株式会社オーエ | Cellulose sponge brush cleaner |
| US20050076936A1 (en) * | 2003-10-08 | 2005-04-14 | Pung David John | Cleaning pad and cleaning implement |
| WO2007057866A2 (en) * | 2005-11-17 | 2007-05-24 | The Procter & Gamble Company | Improved cleaning substrate |
| US20090275252A1 (en) * | 2006-07-12 | 2009-11-05 | Simandl Ronald F | Cleaning medium for removing contamination and method of making |
-
2010
- 2010-03-11 CN CN2010101218960A patent/CN101816541B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2710756C1 (en) * | 2019-05-14 | 2020-01-13 | Общество С Ограниченной Ответственностью "Юрьев-Польская Ткацко-Отделочная Фабрика "Авангард" | Method of producing textile material for cleaning products |
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| Publication number | Publication date |
|---|---|
| CN101816541A (en) | 2010-09-01 |
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