CN102758325A - Pretreatment process suitable for continuous pad dyeing of towelling coverlet fabric - Google Patents
Pretreatment process suitable for continuous pad dyeing of towelling coverlet fabric Download PDFInfo
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- CN102758325A CN102758325A CN2011101082607A CN201110108260A CN102758325A CN 102758325 A CN102758325 A CN 102758325A CN 2011101082607 A CN2011101082607 A CN 2011101082607A CN 201110108260 A CN201110108260 A CN 201110108260A CN 102758325 A CN102758325 A CN 102758325A
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Abstract
The invention relates to a pretreatment process being suitable for the continuous pad dyeing of towelling coverlet fabrics and being used for removing impurities generated in the growing and textile processing process of cotton celluloses. The pretreatment process is characterized in that short processes are continuous, a steaming unit of a desizing-scouring-bleaching combination machine is optimized, and a preevaporation box is additionally arranged in front of an evaporation box; a treatment bath contains scouring-bleaching auxiliary agents, such as caustic soda, hydrogen peroxide, and the like, and high-efficiency auxiliary agents, the scouring-bleaching auxiliary agents, such as the caustic soda, the hydrogen peroxide, and the like, the high-efficiency auxiliary agents are prepared into a water solution according to certain proportion, and treatment is carried out by presetting time under a certain temperature condition so that three processes, i.e. desizing, scouring and bleaching, can be completed in one step. The pretreatment process has the advantages of short time, high production efficiency, little energy consumption and stable product quality; and towelling coverlet products treated by adopting the pretreatment process can be directly used for the continuous pad dyeing.
Description
Technical field
The present invention is applicable to that towel by the pre-treatment process of product continuous knot dyeing, belongs to technical field of textile printing.
Background technology
Towel is to compare particular strain in the woven fabric by kind fabric, and its square grammes per square metre is generally at 400-550g/m
2Between, because square grammes per square metre of product is bigger, (generally be lower than 250g/m far above the grammes per square metre of conventional woven fabric
2).Towel is required differently by the pre-treatment of kind fabric and common machine fabric pretreatment, mainly is:
1, fabric is more thick and heavy, and the hair effect requirement of handling the back fabric is high, need reach 12-15cm/30min.
2,, handle the back fabric whiteness and need reach 70-75% because towel is lower with the yarn class, and the cotton seed hulls quantity on the fabric is more than conventional woven fabric, and the pre-treatment difficulty is bigger.
3, towel is had relatively high expectations to bulking intensity by series products, so tension force and nip pressure that the fabric in the pre-treatment process process bears can not be too big.
4, towel is more thick and heavy than conventional woven fabric by fabric, and it is big that the continuous pre-treatment of open width reaches even difficulty of passing through.
5, towel is big by the product grammes per square metre of fabric and fabric width excursion, the towel that inspires confidence in day group by grey cloth generally at 400-550g/m
2Between, portioned product can reach 650g/m
2, the product fabric width generally changes between 150-260cm.
Because above-mentioned problem, conventional woven fabric pre-processing device can not satisfy towel by product pre-treatment requirement.Therefore, we, have been invented suitable towel and have been moved back by product and boil the pre-treatment process that floats by the requirement of product characteristic and pre-treatment according to towel.
Summary of the invention
The objective of the invention is to utilize unique thick and heavy towel that is applicable to be boiled rinsing combination machine by moving back of fabric; And rational pre-treatment process, realized that towel by series products destarch, concise, pre-treatment process that the bleaching single bath process carries out, simplified technological process; Reduce energy resource consumption, improved production efficiency.
The present invention boils rinsing combination machine decatize unit and optimizes moving back.Because towel is more thick and heavy than common machine fabric by fabric, realize that the even of pre-treatment passes through, decatize is very crucial part.In design initial, select for use double-deck roller bed formula decatize case to make an experiment, find that in process of the test because towel is too thick and heavy by product, when when ground floor ploughs under the second layer, the grey cloth state of banking up is inhomogeneous, the Mao Xiaoyu whiteness that causes bleaching the back grey cloth is inconsistent.Therefore, design the structure of pre-treatment decatize unit again, increased preparatory steaming and decatize case length, caterpillar belt structure has been designed, adopted the individual layer crawler type to steam bed.
When design steam box length, for guaranteeing the uniformity after grey cloth is bleached, the height that we at first bank up according to grey cloth is confirmed decatize case length, and the height 20cm after banking up with the grey cloth of 500 squares of grammes per square metres is a upper limit (UL), designs steam box length on this basis.Secondly, we have added preparatory steam box before steam box, are setting up fabric guide roll in the steam box in advance, make grey cloth in steam box, bank up before first rapidly pre-warming, make the cloth surface temperature reach technological requirement, guarantee under the situation of higher stacking height inside and outside process conditions unanimity.
Because the steaming bed of general caterpillar belt structure, its crawler width is bigger, and Air permenbility is low, and it is inhomogeneous to cause grey cloth to be heated, and influences the bleaching effect of grey cloth.Therefore, we have designed the steaming bed of narrow width caterpillar belt structure, and this steaming bed adopts a chain structure and a narrow formula crawler belt, has increased the contact area of steam and grey cloth greatly, and the vapour amount is big thoroughly, and it is thoroughly even to make grey cloth more help boiling.
It is thick and heavy by fabric itself to the present invention is directed to towel, and the characteristics of the inhomogeneous influence of pre-treatment dyeing to pre-treatment process, in conjunction with equipment characteristic, have been formulated to boil and directly rolled the technological parameter that steams dyeing continuously after floating.Major parameter has: the control of pick-up, the selection of chemical assistant, the control of steaming time.
Advantage of the present invention is: thick and heavy to towel by fabric, can not obtain uniform whiteness, the even problem of hair effect with common continuous woven fabric treatment process.The equipment of floating that boils is moved back in improvement, and boiling and bleaching process reasonable in design has not only been simplified technological process, has improved production efficiency, and the grey cloth after handling can directly be used for rolling continuously steaming dyeing.
The specific embodiment
Embodiment 1: at pick-up is 150%, and steaming time is under 40 minutes the condition, is that the whiteness of fabric is imitated with hair after the bath towel fabric pretreatment of 550 grams to grammes per square metre, as follows:
Claims (9)
1. one kind is applicable to towel by the pre-treatment process of product continuous knot dyeing, it is characterized in that continuously short flow process, optimizes to move back and boils rinsing combination machine decatize unit, and before steam box, added preparatory steam box.Handle to bathe simultaneously to be boiled by caustic soda, hydrogen peroxide solution etc. and float auxiliary agent and special auxiliary addition agent is formed, destarch, concise, bleaching are accomplished in same processing is bathed, and one of its component is traditional auxiliary agent caustic soda, hydrogen peroxide solution that kiering is bleached that be used for.Two of its component is the high efficient preparation assistants that are used to guarantee product quality, mainly is hydrogen peroxide bleaching stabilizer, surfactant, complexing agent.
According to the said towel that is applicable to of claim 1 by the pre-treating method of product continuous knot dyeing, it is characterized in that being the equal rapid osmotic of even bleaching liquor of the band liquid measure that guarantees grey cloth, adopt double flute to pad, two soak the two feeding modes of rolling.First group is adopted regrate, and the air major part in the grey cloth is pushed out, realizes the exchange of air and bleaching liquor, and the band liquid measure of control grey cloth is about 80%; Second group is adopted high feeding padding machine, when groove is padded in the grey cloth entering, just as the suction pipe that is emptied is rapid bleaching liquor is sucked, and realizes the high feeding of grey cloth, will be with liquid measure to bring up to 150%.
According to the said towel that is applicable to of claim 1 by the pre-treating method of product continuous knot dyeing, it is characterized in that grey cloth is gone into steam box before, earlier through preparatory steam box, the steaming time is 1min in advance.The steaming time of decatize case is 20-120min, is optimized for 35-45min.
According to the said towel that is applicable to of claim 1 by the pre-treating method of product continuous knot dyeing; It is characterized in that processed continuously 36 ° of Be ' caustic soda bed material consumptions are 50-80g/L; Be preferably 55-65g/L, appending the material consumption is 125-200g/L, is preferably 145-155g/L.
According to the said towel that is applicable to of claim 1 by the pre-treating method of product continuous knot dyeing; It is characterized in that processed continuously 27.5% hydrogen peroxide solution bed material consumption is 50-80g/L; Be preferably 60-70g/L, appending the material consumption is 125-200g/L, is preferably 145-155g/L.
According to the said towel that is applicable to of claim 1 by the pre-treating method of product continuous knot dyeing; It is characterized in that handling in the bath and add hydrogen peroxide bleaching stabilizer; The stabilizing agent that is added can be the prepared product that contains carboxylic acid sodium and sodium phosphate and inorganic salts; CLARITE (can surely get) the efficient oxygen of CBB like Huntsman Corporation floats finishing agent, can effectively control decomposing hydrogen dioxide solution to produce bleaching activity oxygen and to suppress harmful catalytic action, can process the high DP value cellulose fibre of high whiteness.The bed material consumption of stabilizing agent is 5-20g/L, is preferably 7-10g/L, appends material consumption 12.5-50g/L, is preferably 15-25g/L.
According to the said towel that is applicable to of claim 1 by the pre-treating method of product continuous knot dyeing; It is characterized in that handling in the bath and add surfactant; The surfactant that is added can be the prepared product of phosphoric acid derivatives, like ULTRAVON (Ou Tefeng) the SX surfactant of Huntsman Corporation, can effectively remove grease impurity, slurry and dirt; Keep impurity to be suspended in the bleaching liquid, prevent that impurity, dirt are deposited on fabric and the equipment.The bed material consumption of surfactant is 2-10g/L, is preferably 5-8g/L, appends material consumption 4-20g/L, is preferably 10-15g/L.
According to the said towel that is applicable to of claim 1 by the pre-treating method of product continuous knot dyeing; It is characterized in that handling in the bath and add complexing agent; The complexing agent that is added can be several kinds of polycarboxylate sodiums' a mixture; Like INVATEX (gorgeous Wei Te) the DSB highly effective chelating dispersant of Huntsman Corporation, can reduce the probability of catalysis damage in the oxygen bleaching process, avoid broken hole.Guarantee that the Impurity removal on the fabric is clean, and prevent precipitated and separated, effectively help to remove impurity and slurry.The bed material consumption of chelated dispersants is 0.2-2g/L, is preferably 1.2-1.8g/L, appends material consumption 0.4-4g/L, is preferably 1.5-2.5g/L.
According to the said towel that is applicable to of claim 1 by the pre-treating method of product continuous knot dyeing, it is characterized in that steam temperature is 100 ℃, the time is 40min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101082607A CN102758325A (en) | 2011-04-28 | 2011-04-28 | Pretreatment process suitable for continuous pad dyeing of towelling coverlet fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101082607A CN102758325A (en) | 2011-04-28 | 2011-04-28 | Pretreatment process suitable for continuous pad dyeing of towelling coverlet fabric |
Publications (1)
| Publication Number | Publication Date |
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| CN102758325A true CN102758325A (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101082607A Pending CN102758325A (en) | 2011-04-28 | 2011-04-28 | Pretreatment process suitable for continuous pad dyeing of towelling coverlet fabric |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103031750A (en) * | 2012-12-29 | 2013-04-10 | 孚日集团股份有限公司 | Continuous pad dyeing and shortened wet steaming processing technology for towel and sheet fabric vat dye |
| CN104074016A (en) * | 2014-07-02 | 2014-10-01 | 浙江航民股份有限公司 | Pre-treatment method for dyeing and finishing |
| CN104328615A (en) * | 2014-11-19 | 2015-02-04 | 南充嘉美印染有限公司 | Batik fabric pretreatment device and method |
| CN105671993A (en) * | 2016-01-20 | 2016-06-15 | 冠宏股份有限公司 | Dyeing and finishing method of cotton knitted fabric |
| CN107964781A (en) * | 2017-11-01 | 2018-04-27 | 浙江圣山科纺有限公司 | A kind of preparation method of short route padding machine dyeing umbrella cloth |
| CN108049063A (en) * | 2017-12-30 | 2018-05-18 | 绍兴恒钧环保科技有限公司 | Cotton fabric one-bath DSB method short-flow pre-treating process |
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| JPH05117960A (en) * | 1991-10-25 | 1993-05-14 | Koshin Kk | Method for continuously bleaching blanket |
| JPH07292569A (en) * | 1994-04-20 | 1995-11-07 | Moriya Keori Kk | Bleach-printing of cloth and printed cloth |
| CN2420308Y (en) * | 2000-03-14 | 2001-02-21 | 包德全 | Roll net steam box |
| CN101343808A (en) * | 2008-09-09 | 2009-01-14 | 孙日贵 | Production method of under-twisted yarn towel |
| CN101343809A (en) * | 2008-09-09 | 2009-01-14 | 孙日贵 | Production method of cotton bamboo silk towel |
| CN101892568A (en) * | 2010-07-05 | 2010-11-24 | 江阴金田机械有限公司 | Progressive slow piling steaming box |
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2011
- 2011-04-28 CN CN2011101082607A patent/CN102758325A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05117960A (en) * | 1991-10-25 | 1993-05-14 | Koshin Kk | Method for continuously bleaching blanket |
| JPH07292569A (en) * | 1994-04-20 | 1995-11-07 | Moriya Keori Kk | Bleach-printing of cloth and printed cloth |
| CN2420308Y (en) * | 2000-03-14 | 2001-02-21 | 包德全 | Roll net steam box |
| CN101343808A (en) * | 2008-09-09 | 2009-01-14 | 孙日贵 | Production method of under-twisted yarn towel |
| CN101343809A (en) * | 2008-09-09 | 2009-01-14 | 孙日贵 | Production method of cotton bamboo silk towel |
| CN101892568A (en) * | 2010-07-05 | 2010-11-24 | 江阴金田机械有限公司 | Progressive slow piling steaming box |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103031750A (en) * | 2012-12-29 | 2013-04-10 | 孚日集团股份有限公司 | Continuous pad dyeing and shortened wet steaming processing technology for towel and sheet fabric vat dye |
| CN103031750B (en) * | 2012-12-29 | 2015-09-09 | 孚日集团股份有限公司 | A kind of towel is by the short wet steaming processing technology of fabric reducing dye continuous knot dyeing |
| CN104074016A (en) * | 2014-07-02 | 2014-10-01 | 浙江航民股份有限公司 | Pre-treatment method for dyeing and finishing |
| CN104328615A (en) * | 2014-11-19 | 2015-02-04 | 南充嘉美印染有限公司 | Batik fabric pretreatment device and method |
| CN105671993A (en) * | 2016-01-20 | 2016-06-15 | 冠宏股份有限公司 | Dyeing and finishing method of cotton knitted fabric |
| CN107964781A (en) * | 2017-11-01 | 2018-04-27 | 浙江圣山科纺有限公司 | A kind of preparation method of short route padding machine dyeing umbrella cloth |
| CN108049063A (en) * | 2017-12-30 | 2018-05-18 | 绍兴恒钧环保科技有限公司 | Cotton fabric one-bath DSB method short-flow pre-treating process |
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Application publication date: 20121031 |