CN103645121A - Water absorbency testing method of natural colored cotton fiber - Google Patents
Water absorbency testing method of natural colored cotton fiber Download PDFInfo
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- CN103645121A CN103645121A CN201310693693.2A CN201310693693A CN103645121A CN 103645121 A CN103645121 A CN 103645121A CN 201310693693 A CN201310693693 A CN 201310693693A CN 103645121 A CN103645121 A CN 103645121A
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Abstract
The invention relates to the technical field of a textile, and in particular relates to a water absorbency testing method of a natural colored cotton fiber. The testing method comprises the steps of carding 0.2g of colored cotton fiber subjected to capillary effect treatment till the colored cotton fiber is loose, and rubbing the colored cotton fiber into a ball which is 2cm in diameter to obtain a sample; adding distilled water to a beaker, keeping the water temperature at 18-22 DEG C, lightly placing the sample on the water surface without external force, and timing simultaneously for testing time from getting into contact with the water surface of the sample to sinking of the sample, wherein the time is as accurate as 0.01s; and judging whether the required time exceeds 60s. The testing method provided by the invention can be used for rapidly and conveniently testing whether the water absorbency of natural colored cotton without pectin wax and other materials is quailed, thus verifying the effect of pretreatment process of the natural colored cotton fiber.
Description
Technical field
The present invention relates to textile technology field, be specifically related to a kind of water absorptivity method of testing of natural color-cotton fiber.
Background technology
Color cotton is a kind of cotton with natural colour, in textile processing without dyeing, thereby reduced manufacturing procedure, corresponding discharge and the processing to sewage that has reduced sewage, avoided adding man-hour to the pollution of water resource and forbidden dyestuff, poisonous auxiliary agent to the harm of human body and the destruction to environment, reduce energy resource consumption, thereby reduced production cost.The content of color cotton heavy metal element is all lower than environmental protection index in addition, and the content of part heavy metal, even lower than white cotton, illustrates that color cotton meets environmental requirement completely.Its textile can be rated as " favorite of 21 century ", is described as " the healthy skin of the mankind second ", is one of the most potential product on international Green Textiles of 21 century market.
But the water absorptivity of color cotton is very poor, undressed colour cotton fabric hair school is almost nil, and main cause is that color cotton pectin wax content is higher.White cotton regain is 8.5%, and the cotton regain of palm fibre is 7.6%, and the regain of green cotton is 5.1%.During colour cotton fabric wet process, color can be deepened, if cloth cover is not treated, absorbs water inhomogeneous, can cause serious aberration.Therefore colour cotton fabric must pass through pre-treatment, first solves water suction homogeneity question, then just can carry out rear processing, removes impurity, reaches and takes requirement.At present a lot of producers just start to remove the work such as pectin wax from the color cotton fiber before spinning, give its water absorptivity, can stablize again pigment, improve the wearability of product.But the method that the soaking effect after removing for the pectin wax of color cotton fiber at present is not tested, thereby it is best to verify which kind of removes the method effect of pectin wax etc.
Summary of the invention
The object of the present invention is to provide a kind of water absorptivity method of testing of natural color-cotton fiber, whether the water absorptivity that can test out quickly and easily natural color-cotton fiber is qualified, thus the effect whether obtaining of the pre-treating technology of checking natural color-cotton fiber.
In order to achieve the above object, the technical solution used in the present invention is:
A water absorptivity method of testing for natural color-cotton fiber, comprises the steps:
Get 0.2 gram of process and go out the color cotton fiber that capillary effect is processed, described color cotton fiber comb is loose after, be twisted into the ball of 2 centimetres of diameters, make sample;
In beaker, add distilled water, make water temperature remain on 20 ± 2 ℃, described sample is put down gently on the water surface under without external force condition, start timing simultaneously, measure described sample and soak and start to sink the required time to completing from the contact water surface, be accurate to 0.01 second;
Judge that whether the required time is over 60 seconds.
Further, described that described color cotton fiber comb is loose, be specially, adopt mending comb that described color cotton fiber comb is loose, make bulk density the same.
Further, the described distilled water that adds in beaker, is specially, and adds 400 ml distilled waters in 500 ml beakers.
Further, if the required time is no more than 60 seconds, can show that the water absorptivity of described color cotton fiber is qualified.
Compare with prior art scheme, the beneficial effect that the technical solution used in the present invention produces is as follows:
The present invention makes the color cotton fiber after capillary effect and processing on the ball sample of 2 centimetres of diameters, then under without external force condition, put down gently on the distilled water water surface of 20 ± 2 ℃ of water temperatures, measure sample and soak and start to sink the required time to completing from the contact water surface, be accurate to 0.01 second; If the time is no more than 60 seconds, the water absorptivity of color cotton fiber is qualified.Whether method of testing provided by the invention can test out the water absorptivity that natural color-cotton removes after pectin wax etc. quickly and easily qualified, thus the effect whether obtaining of the pre-treating technology of checking natural color-cotton fiber.
Accompanying drawing explanation
The process chart of the water absorptivity method of testing of the natural color-cotton fiber that Fig. 1 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, technical solution of the present invention is described in detail.
As shown in Figure 1, the embodiment of the present invention provides a kind of water absorptivity method of testing of natural color-cotton fiber, comprises the steps:
Step 110: get 0.2 gram of process and go out the color cotton fiber that capillary effect is processed, described color cotton fiber comb is loose after, be twisted into the ball of 2 centimetres of diameters, make sample;
Particularly, can be by mending comb, color cotton fiber comb is loose, make bulk density consistent.
Step 120: add distilled water in beaker, make water temperature remain on 20 ± 2 ℃, described sample is put down gently on the water surface under without external force condition, start timing simultaneously, measure described sample and soak and start to sink the required time to completing from the contact water surface, be accurate to 0.01 second;
Particularly, in 500 ml beakers, add 400 ml distilled waters.
Step 130: judge that whether the required time is over 60 seconds;
Particularly, if the time is no more than 60 seconds, can show that the water absorptivity of described color cotton fiber is qualified; Contrary, if the time surpasses 60 seconds, can show that the water absorptivity of described color cotton fiber is defective.
Brown cotton take below as example, illustrate the effect of the cotton water absorptivity of palm fibre being tested by method provided by the invention.
Brown cotton fiber is put into and the refining agent of 1-2%o.w.f is housed, the bleeding agent of the extractant of 1.5-2.5%o.w.f, 0.5-1.0%o.w.f and the container of water, processing bath raio is 1:15-25, then the lid of container is tightened, be placed in high temperature small model machine, at the temperature of 95 ℃, process 40 minutes; Brown cotton fiber after treatment is fully washed to three times with the hot water of 80 ℃, then use 60 ℃ of Warm Wash twice, then use cold wash one time, then wring out, under 100 ℃ of conditions, dry.
Brown cotton fiber after above-mentioned processing is got 0.2 gram, carry out the water absorptivity test that the embodiment of the present invention provides, ball sample soaks and the required time that starts to sink is 40-55 second to completing from the contact water surface, illustrate that brown cotton fiber is through going out after capillary effect processing, water absorptivity is qualified, obtain better hydrophilic basis, and then prove that the effect that the preprocessing technical method of above-mentioned brown cotton fiber obtains is pretty good, can promote the use of aborning.
The present invention makes the color cotton fiber after capillary effect and processing on the ball sample of 2 centimetres of diameters, then under without external force condition, put down gently on the distilled water water surface of 20 ± 2 ℃ of water temperatures, measure sample and soak and start to sink the required time to completing from the contact water surface, be accurate to 0.01 second; If the time is no more than 60 seconds, the water absorptivity of color cotton fiber is qualified.Whether method of testing provided by the invention can test out the water absorptivity that natural color-cotton removes after pectin wax etc. quickly and easily qualified, thus the effect whether obtaining of the pre-treating technology of checking natural color-cotton fiber.
The above is most preferred embodiment of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. a water absorptivity method of testing for natural color-cotton fiber, is characterized in that, comprises the steps:
Get 0.2 gram of process and go out the color cotton fiber that capillary effect is processed, described color cotton fiber comb is loose after, be twisted into the ball of 2 centimetres of diameters, make sample;
In beaker, add distilled water, make water temperature remain on 20 ± 2 ℃, described sample is put down gently on the water surface under without external force condition, start timing simultaneously, measure described sample and soak and start to sink the required time to completing from the contact water surface, be accurate to 0.01 second;
Judge that whether the required time is over 60 seconds.
2. disposal route as claimed in claim 1, is characterized in that, described that described color cotton fiber comb is loose, is specially, and adopts mending comb that described color cotton fiber comb is loose, makes bulk density the same.
3. disposal route as claimed in claim 1, is characterized in that, the described distilled water that adds in beaker, is specially, and adds 400 ml distilled waters in 500 ml beakers.
4. disposal route as claimed in claim 1, is characterized in that, if the required time is no more than 60 seconds, can show that the water absorptivity of described color cotton fiber is qualified.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310693693.2A CN103645121A (en) | 2013-12-17 | 2013-12-17 | Water absorbency testing method of natural colored cotton fiber |
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| CN201310693693.2A CN103645121A (en) | 2013-12-17 | 2013-12-17 | Water absorbency testing method of natural colored cotton fiber |
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| CN201310693693.2A Pending CN103645121A (en) | 2013-12-17 | 2013-12-17 | Water absorbency testing method of natural colored cotton fiber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169054A (en) * | 2018-01-11 | 2018-06-15 | 哈尔滨工业大学 | The measuring method of water absorption rate inside a kind of aramid fiber |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101411885A (en) * | 2007-10-18 | 2009-04-22 | 宁波格林兰水洗化工有限公司 | Novel technique for dewatering and rinsing medical dressing by one-bath method |
| CN102288511A (en) * | 2011-08-08 | 2011-12-21 | 新兴铸管股份有限公司 | Method for detecting water absorbability of coke |
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2013
- 2013-12-17 CN CN201310693693.2A patent/CN103645121A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101411885A (en) * | 2007-10-18 | 2009-04-22 | 宁波格林兰水洗化工有限公司 | Novel technique for dewatering and rinsing medical dressing by one-bath method |
| CN102288511A (en) * | 2011-08-08 | 2011-12-21 | 新兴铸管股份有限公司 | Method for detecting water absorbability of coke |
Non-Patent Citations (5)
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| 中华人民共和国国家质量监督检验检疫总局 等: "《GB/T22799-2009 毛巾产品吸水性测试方法》", 21 January 2009, article "7 试验步骤", pages: 2 * |
| 国家药品监督管理局: "《YY 0330-2002 医用脱脂棉》", 25 April 2002, article "吸水时间试验", pages: 3 * |
| 日本工业标准: "《JIS L1907-2010 纺织品吸水性试验方法》", 31 December 2010, article "沉降法", pages: 4 * |
| 檀革银 等: "非织造用转基因棉的脱脂工艺及性能研究", 《纺织学报》, vol. 25, no. 4, 31 August 2004 (2004-08-31) * |
| 陈丽华: "超细纤维毛巾织物的结构和吸水性分析", 《针织工业》, no. 6, 30 June 2005 (2005-06-30), pages 59 - 60 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169054A (en) * | 2018-01-11 | 2018-06-15 | 哈尔滨工业大学 | The measuring method of water absorption rate inside a kind of aramid fiber |
| CN108169054B (en) * | 2018-01-11 | 2020-09-08 | 哈尔滨工业大学 | Method for measuring and calculating internal water absorption of aramid fiber |
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Application publication date: 20140319 |