5 Reasons Why Your Business Needs Solvent Dye？

Oil/Grease Stains on Knits Fabrics: Root Causes, Process Route, and Troubleshooting Root Causes Knitting Machine Lubrication: Excess or improperly applied oil/grease on knitting machines. Old or dirty machine oils contaminate fabric during knitting. Handling and Storage: Contact with oily hands or improper storage conditions. Improper Pre-treatment: Inefficient scouring or degreasing, leading to residual oils on the fabric. Chemical Application: Incomplete removal of emulsifiers, lubricants, or softeners during finishing processes. Process Route for Removal Inspection: Identify the type and severity of stains (mineral oil, grease, or processing lubricants). #Pre-treatment: Scouring: Use alkali and detergents to emulsify and remove oils. Solvent Treatment: For mineral-based oils or stubborn stains. Hydrolysis: Treat protein or wax-based greases with enzymes (lipase or protease). Post-treatment: Efficient washing and neutralization to prevent re-deposition of oils. #Practical Recipes 1. Pre-treatment for Light Stains (General Machine Oil/Grease) Recipe: Detergent: 2-3 g/L Caustic soda (32° Bé): 1-2 g/L Sequestering agent: 1-2 g/L Wetting agent: 1 g/L Temperature: 90°C Time: 30-45 minutes Procedure: Prepare the bath with chemicals. Heat to the required temperature. Rinse thoroughly and neutralize with acetic acid (0.5-1 g/L). 2. #Enzymatic Treatment for Stubborn Stains Recipe: Lipase enzyme: 1-2% (owf) Buffer (pH 7): 2-3 g/L Temperature: 40-50°C Time: 30-40 minutes Procedure: Prepare the enzymatic bath. Run fabric at specified temperature and pH. Rinse thoroughly after treatment. 3. #Solvent-Assisted Scouring for Mineral Oil Stains Recipe: Solvent-based degreaser: 2-3% (owf) Caustic soda (32° Bé): 3-5 g/L Non-ionic detergent: 2 g/L Temperature: 70-80°C Time: 30-40 minutes Procedure: Apply treatment in a jet dyeing machine. Follow with neutralization and rinsing. 4. Post-Process Washing Recipe: Neutral detergent: 1-2 g/L Acetic acid: 0.5-1 g/L Temperature: 50-60°C Time: 20 minutes Procedure: Ensure complete removal of residual chemicals and oils. Check fabric for pH neutrality (6.5-7). #Practical Example #Case Study Problem: Oily spots on a 100% cotton knit fabric from knitting machine lubricant. Solution: #Pre-Treatment: Detergent (3 g/L), caustic soda (2 g/L), sequestering agent (1 g/L) at 95°C for 40 minutes. #Enzymatic Treatment: Lipase enzyme (2% owf) at 45°C for 30 minutes. #Neutralization: Acetic acid (1 g/L) at 50°C for 15 minutes. Inspection: Stains removed entirely, fabric pH checked and confirmed neutral. By combining efficient pre-treatment, enzymatic solutions, and careful monitoring, you can effectively eliminate oil and grease stains from knit fabrics. Best Regards Abdul Moid Manager Sales-Textile Chemicals Bs & Ms Textiles +92 Karachi, Pakistan

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Question:- What is a Reactive Dying Process and Conditions? Answer:- The reactive dyeing process involves using reactive dyes to color fibers, particularly cellulose-based fibers like cotton, linen, and rayon. Here's an overview of the process and conditions: *Reactive Dyeing Process:* 1. *Pre-treatment*: Clean and scour the fabric to remove impurities and prepare it for dyeing. 2. *Dye preparation*: Mix reactive dyes with water and additives (e.g., salt, alkali, and leveling agents). 3. *Dye application*: Apply the dye mixture to the fabric using various methods (immersion, spraying, or brushing). 4. *Alkalization*: Add soda ash (sodium carbonate) or sodium hydroxide to create an alkaline environment (pH 10-12). 5. *Fixation*: Heat treats the fabric (temperature and time vary depending on the dye and fiber). 6. *Washing*: Rinse the fabric with cold water to remove excess dye. 7. *Soaping*: Treat the fabric with soap or detergent to remove unfixed dye. 8. *Rinsing*: Rinse the fabric with cold water to ensure complete removal of excess dye. *Reactive Dyeing Conditions:* 1. *Temperature*: 30°C to 90°C (86°F to 194°F), depending on the dye and fiber. 2. *pH*: 10-12 (alkaline environment) for most reactive dyes. 3. *Time*: 30 minutes to 2 hours, depending on the dye and fiber. 4. *Dye concentration*: 0.5% to 5% (owf), depending on the shade and fiber. 5. *Salt*: Added to improve dye solubility and leveling (10-20 g/L). 6. *Leveling agents*: Used to ensure even dye distribution (e.g., urea, ethoxylates). 7. *Reducing agents*: Used to prevent dye oxidation (e.g., sodium bisulfite). *Factors Affecting Reactive Dyeing:* 1. *Fiber type*: Cotton, linen, rayon, and silk respond well to reactive dyes. 2. *Dye selection*: Choose the right reactive dye for the fiber and desired shade. 3. *Temperature control*: Critical for achieving optimal color yield and fixation. 4. *pH control*: Maintaining the correct pH ensures proper dye fixation. 5. *Dye concentration*: Affects color intensity and shade. *Common Reactive Dyeing Methods:* 1. *Exhaust dyeing*: Dye is applied to the fabric in a dye bath. 2. *Pad-dry-cure*: Dye is applied to the fabric, then dried and cured. 3. *Cold pad-batch*: Dye is applied to the fabric, then batched and washed. *Challenges and Considerations:* 1. *Color reproducibility*: Achieving consistent colors can be challenging. 2. *Dye fixation*: Ensuring proper dye fixation to prevent fading. 3. *Environmental concerns*: Managing wastewater and reducing chemical usage.

BOPP (Biaxially Oriented Polypropylene) bags with PE (Polyethylene) liner are a type of flexible packaging solution commonly used for various products. Key features of BOPP bags with PE liner: 1. BOPP Film: - BOPP is a polypropylene-based plastic film that has been biaxially oriented (stretched in both the machine and transverse directions). - This process enhances the film's mechanical properties, such as strength, stiffness, and tear resistance. - BOPP films provide a clear, glossy, and printable surface, making them suitable for branding and visual appeal. 2. PE Liner: - The PE (Polyethylene) liner is a thin layer of polyethylene plastic that is laminated or coextruded with the BOPP film. - The PE liner adds additional barrier properties, moisture resistance, and sealability to the packaging. - The PE layer can be smooth or textured, depending on the application and desired aesthetics. 3 Hybrid Structure: - The combination of BOPP and PE layers creates a hybrid structure that leverages the strengths of both materials. - BOPP provides the main structural integrity, printability, and visual appeal, while the PE liner enhances the barrier and sealing capabilities. 4. Applications: - BOPP bags with PE liner are commonly used for packaging a wide range of products, such as: + Food items (e.g., snacks, cereals, dried fruits, nuts) + Personal care products (e.g., wipes, feminine hygiene products) + Household items (e.g., detergents, powders) + Industrial materials (e.g., chemicals, lubricants) 5. Benefits: - Durability and strength: The BOPP film provides excellent tear resistance and puncture resistance. - Barrier properties: The PE liner offers moisture, gas, and aroma barrier properties, helping to preserve the packaged product. - Sealability: The PE layer allows for easy and reliable heat sealing of the bags. - Printability: The BOPP surface can be printed with various designs and branding information. - Cost-effectiveness: BOPP bags with PE liner are generally a cost-effective packaging solution compared to other flexible packaging options. In summary, BOPP bags with PE liner combine the benefits of BOPP film (strength, clarity, and printability) and PE liner (barrier properties and sealability), making them a versatile and widely used flexible packaging solution across various industries.

CPP Film for Tissue Excellent performance Cost-effective Well-structured Low-density Low moisture permeability Good heat resistance Organic drug resistance Light-specific gravity Direct heat sealing Low-density polypropylene film, sometimes known as PP, is a plastic film. CPP is a cost-effective, well-structured, low-density, high-performance translucent cast polypropylene film. Food packaging businesses use two traditional types of films: CPP (Cast polypropylene film) and BOPP (bi-axially oriented polypropylene). Cast film for tissue suppliers is becoming increasingly popular for conventional flexible packaging and non-packaging uses. Low moisture permeability, good heat resistance, organic drug resistance, direct heat sealing, light-specific gravity, etc., are all benefits of CPP film. CPP uses a range of packaging companies for packing tissues, toilet paper, and many more packaging purposes. The design and construction of this film make it unique and eye-catching. The heat-sealing system’s revolutionary design makes the heating consistent and stable, ensuring high-quality bag sealing. The thickness range for CPP films is 18-200 microns. These films come in several varieties: plain, heat-sealable, polished, mirror-finished, glossy, high stiffness, flexible, and opaque. High gloss, particularly with high slip and antistatic ability, are the essential characteristics of this film. It is especially suitable for decorative packagings such as flowers and gifts. The applications of CPP in other industries include multi-layered laminations, seal bags, twist wraps, and many more. CPP films for tissue are used as a tissue packaging material due to their excellent optical qualities and high transparency. It also has good softness and effective impact resistance, making it suitable for toilet paper packaging. It is also good for the elongation and extension effect.   

Optimizing Alkali Use in Cellulose Dyeing with Reactive Dyes in Exhaust Dyeing Systems. In the dyeing of cellulose fibers using reactive dyes, the role of alkali is pivotal as it acts as a catalyst, facilitating the reaction between the dye and the fiber. However, the critical factor is not merely the type or amount of alkali used but rather the precise control of the dyebath's pH, which requires close supervision. The optimal pH for dyeing is temperature-dependent. For instance, a pH of approximately 11.5 is ideal for warm dyeing at around 60°C, while a pH range of 10-11 is more suitable for hot dyeing at 80°C. Conversely, cold dyeing at 40°C requires a higher pH of about 12.5. This relationship between temperature and optimum pH is illustrated in the accompanying graph. Soda ash is frequently employed in the dyeing process, as 20g/l typically achieves a pH of around 11.5. For instances where a higher or lower pH is necessary, soda ash can be used in conjunction with other agents—sodium phosphate or caustic soda for raising pH, and sodium bicarbonate (baking soda) for lowering it. While caustic soda is a strong alkali and poses challenges in maintaining a pH within the 10-12 range, it can still be utilized effectively if accurate pH adjustment is possible, particularly with the aid of automatic equipment. Recently, specialized alkaline agents have been developed specifically for reactive dyeing. These agents, typically available in liquid form, offer convenience by adjusting the dyebath pH to an optimal level for reactive dyes. However, the choice of alkaline agent should be carefully considered, taking into account the required pH for the specific dyeing temperature. It is also important to monitor the pH of the dyebath not only at the start but also after dyeing, as an insufficient quantity of alkali can result in a significant drop in pH by the end of the process. Accurate pH control throughout the dyeing cycle is essential for achieving consistent and high-quality dyeing results.

Dipropylene glycol has a wide range of industrial uses, including the following: Solvent: Used for the dissolution of nitrocellulose, shellac varnish, cellulose acetate, etc. As a solvent in the production of paints, coatings, inks and other products, it has become an ideal solvent for many chemical reactions because of its low volatility and good solubility. It can be used as a solvent for nitrocellulose, ethyl cellulose, polyvinyl acetate, etc., and is also used in coatings, dyes, etc. It is one of the most effective film forming additives for waterborne coatings, and is used as a solvent in printing ink and enamel. Widely used as coating, printing ink, reducing fuel fabric coupling agent, solvent. Cosmetics and skin care products: Commonly used as solvents, moisturizers and coupling agents, in perfumes, hair curls, appearance cleansers (such as cold creams, body washes, body washes and skin lotions), deodorants, creams, hand creams and body care products. In the field of perfume, the use of dipropylene glycol is more than 50%. Preparation of unsaturated polyester resin, plasticizer, synthetic detergent: suitable for fragrances and cosmetics and other odor-sensitive products. Other industrial sectors: As a plasticizer in the plastics industry, it can improve the performance of plastics. It is used in the paint and coatings industry for thickening and emulsification to improve the durability of coatings. Used in textile, metal cutting fluid, wood treatment, rubber processing and other fields. In industrial production, it can be used for equipment cleaning to improve the service life and work efficiency of equipment; Cleaning of the produced products to protect product quality and improve performance; Clean the equipment and materials in the production process to ensure the smooth progress of the production process without damaging the production line; Remove all kinds of dirt in production, improve the safety of the production environment, and remove hidden dangers. #chemical #industrial #dpg #dipropyleneglycol #solvent #dissolution #painting #coating #inks #dying #nitrocellulose #couplingagent #cosmetics #humectants #perfume #coldcream #plasticizer #textiles #rubber #cleaning #trading #export #globalchemical #alcohols #glycols #aromatics #ketones #winnersingapore

https://lnkd.in/gCxn2A9B What is polyethylene wax? Basekim Polyethylene wax is a type of synthetic wax called PE wax derived from the polymerization of ethylene gas. It is commonly produced through the high-pressure polymerization of ethylene using specialize catalysts. The resulting PE wax has a wide range of applications due to its unique properties. Properties of polyethylene wax properties of Polyethylene wax is characterized by its low molecular weight and linear structure. It typically exists as a solid, white or light yellow-color material with a waxy texture. Some key properties of wax include: Low melting point Low melting Polyethylene wax has a relatively low melting point, which allows it to melt easily and provide lubrication at low temperatures. High hardness It possesses a high degree of hardness, making it useful for applications that require abrasion resistance and durability. Low viscosity Low viscosity Polyethylene wax has a low viscosity, meaning it flows easily and provides excellent internal lubrication. Chemical resistance It exhibits good resistance to many chemicals, including acids, alkalis, and organic solvents. Application and usage of PE wax Coatings and inks Slip and anti-blocking agent It is often employ as a slip agent in coatings and inks to reduce the coefficient of friction between surfaces. It helps in improving the smoothness and slipperiness of the coating or ink film, preventing sticking or blocking when surfaces come into contact. This property is particularly useful in applications such as paper coatings, flexible packaging, and graphic arts. #pewax #polyethylene #masterbatch #HDPE #LDPE #plastic #viscosity #dryness https://lnkd.in/d7gMY-ts

Pretreatment of yarn To prepare yarn for weaving, sizing agents like starch, modified starch or polyvinyl alcohol ( PVA) are applied on the yarn, which should be use as warp yarn in weaving process. These sizing agent are increases the strength of the yarn which resist breaking and improve process and increase production. You should select the sizing agent, which should be easily decomposed during desizing process after completion of weaving. SIZING: Starch, modified starch, natural gums carboxy methyl cellulose are used as main ingredients of sizes for cotton. For synthetic fibres the usual size material is polyvinyl alcohol (PVA) and acrylic polymers with other chemicals. STARCH: Starch is a carbohydrate and is widely available in plants. Starch is obtained and extracted economically from maize, cassava, potato, wheat etc. Starches from different sources have different physical and chemical properties. Starch is composed of glucopyranose units joined by alpha glucoside linkages. The approximate formula can be written as (C6H10O5)n where n can be from a few hundred to a few million. Starch occurs in the form of white granules usually made up of amylose (linear polymer) and amylopectin (branched). The granules’ size varies from 3 to 30 micron from cereals and 20 to 100 microns from tubers. The granules gelatinize in water when the temperature is raised to 60-70ºC. Each starch has a characteristic gelatinization range. The most important colloidal characteristics of starch in aqueous dispersion or solution are clarity, gel strength, adhesive and film forming properties. These characteristics make it a good sizing agent. SIZING OF BLENDED YARN: Polyester cotton or viscose blended yarns are differently sized. Synthetic sizes are used for them as the natural ones do not have adhering properties on the synthetics. The best synthetic size available for blends is PVA (Polyvinyl Alcohol) with degree of polymerization around and partially saponified (degree of saponification around 85-88%.) PVA alone cannot meet the perfect size condition. The size mixture should contain Acrylic sizes to give adhesive properties, starch to reduce the cost of size and various other auxiliary agents like antistatic oil, dispersing agents and penetrants.

Lesson of the day SOAPING AGENTS In the reactive dyeing process of knitted cotton fabrics, various soaping agents are used to improve the dyeing process and final fabric quality. Here are some common types of soaping agents used: 1. *Anionic soaping agents* These are the most commonly used soaping agents, examples include: - Sodium lauryl sulfate (SLS) - Sodium laureth sulfate (SLES) - Linear alkylbenzene sulfonate (LAS) 2. *Non-ionic soaping agents*: These are used when a milder soaping action is required, examples include: - Ethoxylated alcohols (e.g., Texapon) - Polyoxyethylene glycols (e.g., PEG) 3. *Amphoteric soaping agents*: These have both anionic and cationic properties, examples include: - Cocamidopropyl betaine (CAPB) - Lauryl betaine 4. *Soap-free soaping agents*: These are used to avoid soap residues on the fabric, examples include: - Surfactant-based soaping agents (e.g., Surfynol) - Polymer-based soaping agents (e.g., Polysoap) 5. *Enzyme-based soaping agents*: These use enzymes to break down excess dye and improve fabric quality, examples include: - Amylase-based soaping agents - Protease-based soaping agents These soaping agents help to: - Emulsify excess dye - Improve dye uniformity - Enhance colorfastness - Reduce fabric stiffness - Improve fabric softness and handle The choice of soaping agent depends on the specific dyeing process, fabric type, and desired fabric properties. Regards Ajmal Javed

DUBLIN, April 17, /PRNewswire/ -- The "Solvent Dyes Market- Global Industry Size, Share, Trends, Opportunity, and Forecast, -F Segmented By Type (Metal Complex- Solvent Dyes, Oil Soluble Dyes, Water Soluble Dyes, and Other), By Packaging, By Application, By Region and Competition" report has been added to  ResearchAndMarkets.com's offering.

Global Solvent Dyes Market is anticipated to increase significantly through . Solvent dye is a soluble organic solvent that is primarily utilized to add color to various products, such as plastics, waxes, and solvents.

End user widely demands solvent dyes to use with plastics, fuel & lubricants, coatings & paints, and others. Due to their properties, solvent dyes are appropriate for dyeing manufactured fibers, primarily polyester, nylon, and acetate. The suitable diffusion characteristic of solvent dyes resulting in significantly slower color fades properties.

Solvent dyes reveal excellent superiority and uniformity of color over different products when applied with organic solvents. Owing to excellent thermal resistance, thermal stability, and diffusion over substitutes, it is used in end-user industries for various purposes in color masterbatches, wood stains, imitation, metalized polyester films, and printing inks; apart from these, used in gasoline, diesel fuel, and other hydrocarbon products to provide a color like gasoline green and solvent dyes yellow for easy classification of different fuel grades and accordance with lawful requirements.

Growing Demand from Industries to Provide Shades in Plastic Products

Solvent dyes exhibit excellent vibrancy and quality in a broad range of plastic applications and have exceptional physical properties that impact colorant performance. Solvent dyes can be used in various applications, such as PVC, optical lenses, acrylic, plastic filaments and sheets, nylon, polyester resins, polyamide, polypropylene, polycarbonate, and ABS. Solvent dyes are highly soluble, which is demonstrated in engineering plastics as an outcome, providing superior transparent shade, making solvent dyes the desired dyes for car and signal-lights over pigment.

Rising Demand from Automotive Industry

Automobiles are an industry that has experienced continuous growth in the past decade and has now become a trillion-dollar market. Growing awareness about electric cars and rising demand for automobiles from rising economies are expected to propel the demand for automobiles and related products. Polypropylene, polyvinyl chloride, ABS, Nylon 6/6, polycarbonate, and polyethylene are the commonly used plastic for producing automotive parts such as dashboards, wheel covers, weatherproofing coatings, car bumpers, and other applications. All the above polymers require solvent dyes to provide diverse colors and sharp textures. Therefore, the rising demand for automobiles is expected to influence solvent dye market growth in the forecasted period directly.

Surging Demand from Emerging Economies

Countries like Brazil, China, India, Vietnam, Bangladesh, and others, due to rising demand for the related product and their manufacturing activities, are propelling the product demand. Apart from these, the firms' ongoing innovation to enhance product properties and efforts to acquire new market share and gain profitability through acquisition and merger is expected to create a lucrative market in the anticipated period.

Report Scope:

In this report, global solvent dyes market has been segmented into the following categories, in addition to the industry trends, which have also been detailed below:

Solvent Dyes Market, By Type:

• Metal Complex-Solvent Dyes
• Oil Soluble Dyes
• Water Soluble Dyes
• Other

Solvent Dyes Market, By Packaging:

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• Bottle
• Bulk
• Tetra packaging

Solvent Dyes Market, By Application:

• Ink
• Plastics
• Fuel & Lubricants
• Coatings & Paints
• Others

Solvent Dyes Market, By Region:

• North America
• United States
• Canada
• Mexico
• Europe
• Germany
• France
• United Kingdom
• Spain
• Italy
• Asia-Pacific
• China
• India
• Malaysia
• Australia
• Japan
• South America
• Brazil
• Argentina
• Colombia
• Middle East & Africa
• South Africa
• Saudi Arabia
• UAE
• Qatar
• Egypt

Key Topics Covered:

1. Product Overview

2. Research Methodology

3. Executive Summary

4. Global Solvent Dyes Market Outlook

5. North America Solvent Dyes Market Outlook

6. Europe Solvent Dyes Market Outlook

7. Asia-Pacific Solvent Dyes Market Outlook

8. South America Solvent Dyes Market Outlook

9. Middle East and Africa Solvent Dyes Market Outlook

10. Market Dynamics

11. Market Trends & Developments

12. Global Solvent Dyes Market: SWOT Analysis

13. Porter's Five Forces Analysis

14. Competitive Landscape

15. Strategic Recommendations

A selection of companies mentioned in this report includes

• LANXESS AG
• Kunshan Organic Chemical Factory
• Megha International
• Kolorjet Chemicals Pvt Ltd.
• Nantong Saint Colorchem Co., Ltd.
• Tianjin Shenyuan Chemical Co., Ltd
• Hangzhou Epsilon Chemical Co., Ltd
• Hangzhou Sunny Chemical Co., Ltd.
• Winchem Industrial Co., Ltd
• Nitin Dye Chem Pvt. Ltd

For more information about this report visit https://www.researchandmarkets.com/r/3z7tx9

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