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Henan Tongwei Medical Equipment Co., LtdCall us : +86 − −19139704654 // Email us : [email protected]
Henan Tongwei Medical Equipment Co., LtdCall us : +86 − −19139704654 // Email us : [email protected]
Fibre2Fashion Pvt Ltd is a market driven B2B portal that marked its existence in the year 2000 and since then has consistently been growing leaps and bounds Our rich experience commitment accountability and innovations have helped to foster the business of small medium and large companies and enterprises associated with us
• Dyeing conditions: Dye selection is crucial as individual dye behaviour is quite different from PET dyeing PLA can be dyed with disperse dye at 110-115c for 15-30 minutes at PH4 5-5 • Dye uptake: Diffusion coefficient in PLA fibre was much higher than that in the PET Dye uptake for PET fibre increases in proportion to the dye bath
Jul 13 2016Rit Dye More is blended with synthetic pigments and contains a type of dye called disperse dye This newly released formula can dye polyester acrylic acetate nylon and polyester/cotton blend fabrics as well as other synthetic materials So I took a more aggressive approach this time around and mixed acetone with the newly-purchased Rit formula
Dyes can form chelates with different mordants to develop various shades with superior wash fastness Na 2 Cr 2 O 7 and K 2 Cr 2 O 7 are the commonly used mordants for wool because of the presence of reducing thiol groups absence of such reducing groups in silk can be overcome by using basic salts of chromium to form dye–chromium complex
Direct dyes are developed to produce a different shade or to improve washfastness or lightfastness Azo Dyes Dyes characterized by the presence of an azo group (-N=N-) as the chromophore Azo dyes are found in many of the synthetic dye classes Aniline Dyes Dyes derived chemically from aniline or other coal tar derivatives Anthraquinone Dyes
After PET part dyeing cool to 80c for proper levelling then add NaOH Na2S2O 4 + dyeing 15min + cooling to 60c + dyeing for 30 min for better exhaustion Rinse with cold water + oxidation with H2O2 for 15min at 50c + Rinsing with cold water + Soap at 95 C for 25 min using 2 g/l Lissapol D + Hot and cold rinse and then final wash off
Dyes are a large and important group of chemicals among the different pollutants of the aquatic ecosystem They are widely used in industry to colour products such as textile paper rubber plastic cosmetic etc The dyes are invariably left in the industrial wastewater which are subsequently discharged mostly into surface water resources
Fibre2Fashion Pvt Ltd is a market driven B2B portal that marked its existence in the year 2000 and since then has consistently been growing leaps and bounds Our rich experience commitment accountability and innovations have helped to foster the business of small medium and large companies and enterprises associated with us
PIECE DYEING Various methods used for this type of dyeing include - Beck dyeing - Jet dyeing - Jigger dyeing - Pad dyeing and - Beam dyeing PIECE DYEING A Beck Dyeing Dye beck of Beck Dyeing Machine consists of a reservoir or trough which contains the dye bath and a reel to move the loop of fabric through the dye formulation The liquor
KNITTING - is a method by which yarn is manipulated to create a textile or fabric and creates multiple loops of yarn called stitches in a line or tube CHEMICAL PROCESSING – is to remove the impurities from the fabric and including pretreatment dyeing printing finishing It is classified into two groups: dry chemical processing and wet chemical processing
Oct 01 2020If your carpet is made of wool or nylon dyeing the carpet can be an effective way to make it look new again extend its life or change it to fit a new home dcor Do not dye your carpet if it is made from acrylic polypropylene or polyester – the fiber won't absorb the dye properly
Chemicals are also used as preservatives for example in dye pastes for textile printing to counteract bacteria for example in sportswear or to counteract mould on outdoor fabrics Needs and effects vary As different fibres have different properties the need for and effect of
6) Cross Dyeing: This is a very popular method in which varied color effects are obtained in the one dye bath for a cloth which contains fibers with varying affinities for the dye used For example a blue dyestuff might give nylon 6 a dark blue shade nylon 6 6 a light blue shade and have no affinity for polyester area unscathed or white
PIECE DYEING Various methods used for this type of dyeing include - Beck dyeing - Jet dyeing - Jigger dyeing - Pad dyeing and - Beam dyeing PIECE DYEING A Beck Dyeing Dye beck of Beck Dyeing Machine consists of a reservoir or trough which contains the dye bath and a reel to move the loop of fabric through the dye formulation The liquor
Sep 05 2020Pantone marks 'Classic B'lue as the colour of the year Pantone provider of professional colour language standards and digital solutions and X-Rite have named Pantone 19-4052 Classic Blue as the Pantone Colour of the Year for 2020 The Colour of the Year is selected after a detailed trend analysis Pantone's colour experts at the Pantone []
Jan 15 2014Polyester requires the use of disperse dyes Other types of dyes leave the color of polyester almost entirely unchanged While novices happily charge into dyeing with acid dyes (for wool or nylon) and fiber reactive dyes (for cotton and rayon) often with excellent results the immersion dyeing of polyester is a different story
phase anchor to functionalize polyolefins with dyes This is illustrated by preparing PIB-bound metallophthalocyanine dyes in a series of reactions starting with 4-nitro phthalonitrile The non-polar solvent solubility of these dyes allowed their use in dyeing commercial polyethylene and polypropylene
Chemicals are also used as preservatives for example in dye pastes for textile printing to counteract bacteria for example in sportswear or to counteract mould on outdoor fabrics Needs and effects vary As different fibres have different properties the need for and effect of
Oct 01 2020If your carpet is made of wool or nylon dyeing the carpet can be an effective way to make it look new again extend its life or change it to fit a new home dcor Do not dye your carpet if it is made from acrylic polypropylene or polyester – the fiber won't absorb the dye properly
satisfactorily dyeing polypropylene provide both a research challenge and a substantial barrier to its wider use Mass-pigmented polypropylene is widely used in a limited number of colors Note: coloring polypropylene or any other man-made fiber by incorporation of pigments into the
Jun 01 2014In this investigation the sheath-core polyester/co-polypropylene composite fibers (PET/co-PP fibers) were annealed at 150 C for 1 h and dyed with three types of disperse dyes using scCO 2 at the various dyeing temperatures and pressures Optical and scanning electron microscopes (SEM) were used to examine the cross section of the fibers
6) Cross Dyeing: This is a very popular method in which varied color effects are obtained in the one dye bath for a cloth which contains fibers with varying affinities for the dye used For example a blue dyestuff might give nylon 6 a dark blue shade nylon 6 6 a light blue shade and have no affinity for polyester area unscathed or white
Textile Recycling Technologies Colouring and Finishing Methods | Le v GLOSSARY OF TERMS apparel: products made from fabrics designed to be worn (i e clothing shoes accessories) circular economy: an economic system where resources are kept in use for as long as possible with maximum value extracted from them whilst in use followed by the recovery and regeneration of new
Oct 07 2004The investigations of the structure of polypropylene fibers colored with quinacridone and phthalocyanine pigments were carried out The fibers were extruded from the melt at three different temperatures and were taken at three different velocities In fibers two polypropylene modifications the monoclinic α and the trigonal β were observed The content of particular modifications depends on
Dec 06 2018Dye classes provide different results of permeability in direct contact membrane distillation as demonstrated by using a commercial polypropylene flat‐sheet membrane in the treatment of reactive and disperse dye solutions Reactive and disperse dye solutions with different colors in direct contact membrane distillation for the treatment of
#Innovative dyeing technology - For a mill that owns large consumer fabric brands such as Busy Lizzie and Lusterous Venture that have a very wide colour range dyeing becomes a critical operation and our endeavour is to significantly reduce the resultant effluent Recycling effluent treatment and improved process efficiencies initiated at our plant have led to extensive saving of resources
Direct dyes are developed to produce a different shade or to improve washfastness or lightfastness Azo Dyes Dyes characterized by the presence of an azo group (-N=N-) as the chromophore Azo dyes are found in many of the synthetic dye classes Aniline Dyes Dyes derived chemically from aniline or other coal tar derivatives Anthraquinone Dyes
Textile Recycling Technologies Colouring and Finishing Methods | Le v GLOSSARY OF TERMS apparel: products made from fabrics designed to be worn (i e clothing shoes accessories) circular economy: an economic system where resources are kept in use for as long as possible with maximum value extracted from them whilst in use followed by the recovery and regeneration of new
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