Moisture-keeping finishing method for natural colored cotton knit goods

A knitwear and wet finishing technology, applied in textiles and papermaking, fiber treatment, biochemical fiber treatment, etc., can solve the problems of hygroscopicity, poor water absorption, poor moisture retention, etc., and achieve easy manipulation, stable performance of colored cotton, and convenient operation Effect

Inactive Publication Date: 2008-10-15

DONGHUA UNIV +1

3 Cites 15 Cited by

AI-Extracted Technical Summary

Problems solved by technology

Colored cotton is used as close-fitting knitted clothing. Wet comfort is an important characteristic of knitted clothing. The hygroscopicit...

Abstract

The invention discloses a method for hydrating and finishing natural colored cotton knitwear, comprising the following: (1) a step of pretreatment, which is to soak the colored cotton knitwear into the clear water at the temperature of between 60 and 70 DEG C for 10 to 20 minutes, to add a mixture of pectase and cellulase with a concentration of 2.0g/L, to control the bath ratio as 1:20, to adjust the pH value equal to 6.0, and the temperature of 50 DEG C, to soak for 70 to 90 minutes, then to heat up the mixture to 85 DEG C, to preserve the temperature for 10 to 20 minutes and to spin dry the mixture for spare; (2) a step of hydrating and finishing, which is to prepare a finishing liquor by adopting a hydrating finishing agent CBS with a concentration of between 30 and 60g/L and adjusting the pH value to be between 6 and 7 by acetic acid and to hydrate and finish the colored cotton knitwear by the dipping or padding technique. The method has simple process, convenient operation, easy control, stable performance of the finished colored cotton and good hydrating effect.

Application Domain

Biochemical fibre treatmentVegetal fibres

Technology Topic

Pre treatmentChemistry +2

Image

Examples

Experimental program(3)

Example Embodiment

[0020] Example 1

[0021] Color cotton jersey, soak in warm water at 60~70℃ for 10min, add 2.0g/L enzyme (mass ratio of pectinase: cellulase 70:30), control the bath ratio to 1:20, and then adjust the pH=6.0, The temperature is 50°C, soak for 75min, heat up to 85°C, keep for 10min, shake dry for later use.

[0022] According to 40g/L moisturizing finishing agent CBS, adjust the pH to 6-7 with acetic acid to prepare the finishing solution, padding colored cotton jersey, one padding, one padding, with a liquid rate of 100%, drying at 100°C, and baking at 150°C Bake for 45 seconds.

[0023] After moisturizing finishing, the moisturizing performance of colored cotton is evaluated by moisture absorption rate and moisture permeability:

[0024] (1) Moisture absorption rate. Dry the colored cotton fabric to a constant weight, weigh it (accurate to 0.0001g), and place it in a constant temperature and humidity box at a constant temperature of 25°C and a constant humidity (humidity of 85±5%) for 24 hours, then take it out and weigh it Weight, calculate the corresponding moisture absorption rate (%), the calculation formula is as follows:

[0025]

[0026] Among them, W 1 -The quality of colored cotton after moisture absorption, W 0 -The mass of colored cotton before moisture absorption (g).

[0027] (2) Moisture permeability. According to GBIT 12704-91 Fabric Moisture Permeability Determination Method Moisture Permeability Cup Method Method B Evaporation Method. At a temperature of 38°C, a relative humidity of 2%, and an air flow rate of 0.5m/s, pour 10 mL of water into a clean and dry vapor-permeable cup (homemade); place the sample on the vapor-permeable cup with the test side facing down, and use it again The vinyl adhesive tape is sealed from the side to form a test assembly; the test assembly is placed horizontally in a test box that has reached the specified test conditions, after 0.5h balance, weighed in the box one by one according to the number, and the accuracy of the weighing Accurate to 0.0001g: After the subsequent 1h test, weigh again in the same order.

[0028] The moisture permeability of the sample is as follows:

[0029] W VT = Δm S · t × 24

[0030] Among them, W VT -Moisture permeability per square meter per day (24h), g/(m 2 ·24h);

[0031] Δm-The difference between two weighings of the same test combination, g;

[0032] S- sample test area, m 2;

[0033] t-test time, h.

[0034] The moisture permeability of the sample is the arithmetic mean of the moisture permeability of the three samples.

[0035] After finishing, the moisture absorption rate of the colored cotton jersey increased by 80%, and the moisture permeability increased by 50%.

Example Embodiment

[0036] Example 2

[0037] Color cotton ribs, soak in warm water at 60~70℃ for 10min, add 2.0g/L enzyme (mass ratio of pectinase: cellulase 70:30), control the bath ratio to 1:20, then adjust pH=6.0, temperature 50℃, soak for 75min, heat up to 85℃, keep for 10min, spin dry for later use.

[0038] According to the 5% moisturizing finishing agent CBS, adjust the pH to 6-7 with acetic acid to prepare the finishing solution, immerse the colored cotton ribs, control the bath ratio to 1:10, soak at 50℃ for 30min, then centrifuge for dehydration, and dry at 100℃.

[0039] After finishing, the moisture absorption rate of colored cotton ribs increases by 100%, and the moisture permeability increases by 50%.

Example Embodiment

[0040] Example 3

[0041] Color cotton weft jersey, soak in warm water at 60~70℃ for 10min, add 2.0g/L enzyme (mass ratio of pectinase: cellulase 70:30), control the bath ratio to 1:20, and then adjust the pH= 6.0, temperature 50℃, soak for 75min, heat up to 85℃, keep for 10min, spin dry for later use.

[0042] According to the 60g/L moisturizing finishing agent CBS, adjust the pH to 6-7 with acetic acid to prepare the finishing liquid. The colored cotton knitwear is dipped, one dipped and one rolled, with a liquid rate of 80%, dried at 100°C, and baked at 160°C. Bake for 30 seconds.

[0043] After finishing, the moisture absorption rate of the colored cotton weft jersey increased by 70%, and the moisture permeability increased by 45%.

PUM

Description & Claims & Application Information

We can also present the details of the Description, Claims and Application information to help users get a comprehensive understanding of the technical details of the patent, such as background art, summary of invention, brief description of drawings, description of embodiments, and other original content. On the other hand, users can also determine the specific scope of protection of the technology through the list of claims; as well as understand the changes in the life cycle of the technology with the presentation of the patent timeline. Login to view more.

Classification and recommendation of technical efficacy words

Simple process
easy to operate

Moisture-keeping finishing method for natural colored cotton knit goods

AI-Extracted Technical Summary

Problems solved by technology

Abstract

Image

Examples

Example Embodiment

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

Similar technology patents

Image sensor and method of manufacturing the same

Method for harmlessly treating trash flying ash by adopting trash-burning process

Treating method for oily sludge

Periclase-ferroalumina spinal brick and its making process

Preparation of antibacterial nano filter membrance

Classification and recommendation of technical efficacy words

Multimedia data recording apparatus, monitor system, and multimedia data recording method

Simultaneously desulfurization and denitration wet ammonia flue gas cleaning technology and system thereof

Method for recycling metal oxide from waste flue gas denitration catalyst

Method for removing COS from a stream of hydrocarbon fluid and wash liquid for use in a method of this type

Method for preparing graphite alkyne film

System and method for information access

Operating mechanism, medical manipulator, and surgical robot system

Lancet device

A method and device for automatic image acquisition

Rapid and non-invasive optical detection of internal bleeding