Textile testing method for colour fastness to washing

(GB3921-83, ISO105/C01-C05-1982) 1983-11-07 1985-10-01 implementation of this standard is published Textiles Test for color fastness to washing series, its main technical terms used ISO105/C01 ~ C05 equivalent – 1982 <> , the presentation will ISO105/C01 ~ C05 – 1982 five criteria combined into a standard five methods. increased The five methods of synthetic detergent .1. standards applicable to the scope of textile materials and textile color fastness to washing, from mild to severe range of the washing operation. does not reflect the full effect of .2 laundry. Principles of textile testing sample and provided adjacent fabric stitched together, put the test solution, in the time and temperature conditions, by mechanical mixing, cleaning and drying. with a gray color sample card, and the assessment of specimens stained adjacent fabric color .3. reference standard GB250-84 = ISO105/A02-1982 <>; GB251-84 = ISO105/A03-1982 <> .4. equipment, test equipment and materials 4.1 is equipped with a rotating shaft of the water bath composition, supporting the rotating shaft is about more than just capacity of 550 ¡À 50ml glass or stainless steel containers (diameter 125 ¡À 75 ¡À 5mmX high 10mm) , from the shaft center to the bottom of the container was 45 ¡À 10mm, the whole shaft / container combination unit rotation per minute, 40 ¡À 2 times, water bath temperature is thermostatically controlled so that the test solution maintained at the specified temperature ¡À 2 degrees. corrosion-resistant stainless steel bead 4.2, a diameter of about 0.6cm4.3 Reagents 4.3.1 Reagent 1 – soap flakes, water no more than 5% ingredients by dry weight, shall meet the following requirements: free alkali, sodium carbonate into account by 3g/kg free base is not greater than , less than 1g/kg by sodium hydroxide into account the totalcontent of fatty substances is not less than 850g/kg prepared from a mixture of fatty acid soap flakes freezing point of 30 degrees and below 50 iodine value not greater than soap flakes and colored material does not contain fluorescent brightener reagent 2 4.3.2 – Synthetic Detergent% (m / m) (¡À 0.02%) linear alkyl benzene sulfonate (carbon chain alkanes , the average length of C11. 5) 8 hydroxyethyl alcohol condensate (the number of ethylene oxide 14) 2.9 Sodium soap (chain length: C12-C16 :13-26% C18-C22 :74-87%) 3.5 43.7 acid sodium tripolyphosphate Hydroxymethyl cellulose 7.5 Sodium EDTA 0.2 1.2 21.2 Water anhydrous sodium carbonate sodium sulfate, chemical pure .4.4 adjacent fabric: to be two, each the size 10cmx4cm, with the first piece of test The same kind of fiber , the second from Table 1 under the fiber. If the sample is blended or mixed systems or products, the first piece of fiber as the main content, secondary content of the second block fiber. Table 1 of the second piece of adjacent fabric pieces adjacent fabric 1,2,3 Method 4 Method 5 Method of cotton wool, cotton, wool, viscose fiber viscose fiber – silk Mian Mian – Mian Mian linen or cotton or sticky viscous fiber Mian Mian viscous fiber wool fiber viscose fiber viscose fiber cellulose acetate – polyamide fiber wool or cotton or viscous fiber viscous fiber viscous fiber polyester fiber cotton or wool or cotton or viscose fibers Mian Mian or sticky fiber polyacrylonitrile fiber wool or Mian Mian or viscous fiber cotton or viscose fiber 4.5 Evaluation of color and gray-like staining card .5. 5.1 If the sample is a fabric sample, a sample taken 10cmx4cm, on the two adjacent fabric (see 4.4) between and suture along the four weeks to form a composite sample. printed fabric test, the fabric lining the front and two in contact with each half, and along the sides and the middle of the specimen suture to form a composite sample, such as not including the color, you need to Test samples were .5.2 multiple combinations, such as the sample is the yarn, it would be woven fabric, the same treatment by 5.1, or in parallel to the length of the composition of a thin layer, sandwiched between two adjacent fabric (see 4.4) between the amount of yarn around two adjacent half of the weight of the fabric along the stitching around , fixed the yarn to form a composite sample if the sample is a bulk fiber .5.3, whichever is about two adjacent fabric (see 4.4) the weight of the half, comb it, pressed into 10cmx4cm slices, sandwiched between two adjacent fabric, stitching along the four weeks , fixed the fiber to form a composite sample .6. operating procedures will be combined sample release 6.1 in the container, add warm-up to the required temperature of the solution (see 6.3), bath ratio 50:1.6.2 by selected methods, formulas, test conditions (see 6.3.1 or 6.3.2) in 4.1 equipment for processing .6.3 method of classification , formulation, testing the conditions of the test solution 1 6.3.1 Formulation and test conditions (see Table 2) Table 2 Formulation and conditions \ ——— method 1 test solution formula Test conditions soap flakes g / l of anhydrous sodium carbonate g / l min ball grain temperature degrees time method 15-4030– method 25-5045– method 3526030– method 452,953,010 methods 552954h106.3.2 test solution 2 recipe and test conditions (see Table 3 ) Table 3 Formulation and conditions \ ——— methods test conditions the test solution of synthetic detergent formula 1 g / l of anhydrous sodium carbonate, g / l min temperature ball particle method for the degree of time 14-4030– method 24 – 5045– method 3416030– method 441,953,010 methods 541954h106.3.3 test solution prepared with distilled water and remove the combination .6.4 sample, wash twice with distilled water and then rinsed in running tap water for 10 minutes, squeeze water, removal of sutures combined sample triangular , expand the combined sample, hanging in the temperature does not exceed 60 degrees in the air-dried sample card .6.5 Evaluation samples of gray discoloration and adjacent side of the fabric and staining of specimens exposed .7. discoloration on the sample test report and each staining of adjacent fabric of the series to report, and explain the use of reagents and methods. Appendix A test equipment (see parts) A.1 for test equipment: SW-12, SW-8, SW-4 Test for color fastness to washing machines, see the State Science and Technology Commission of Science and Technology research, registration number 800740, Words TS190-92; washing tester (Launderometer), see United States Association of Textile Chemists and Colourists (AATCC) Technical Manual, test methods 61; Lini tester (Linitest), see Merry Andrew Textile Journal (MelliandsTextileberichte) 49 (1968), 6, 709 ~ 711; washing round (Washwheel), the British Society of dyeing workers ( SocietyofDyersandColourists) producer. A.2 other test equipment as long as the equipment can achieve the same effect as described in 4.1 applies to