High Quality Biodegradable Water Soluble Film From POLYVA

Digital water transfer printing technology application range is very wide, in addition to personality T-shirt, porcelain, porcelain and all kinds of printing craft jewelry, can also be used for crystal images, flowers, prints, temporary tattoos, and other fields, and compared with the traditional process, water transfer printing has a lot of advantages, the potential of alternatives to traditional process.

　　1.

Personality T-shirt printing printing image after transfer printing T-shirt with traditional thermal transfer paper will form a film, feel and permeability are very poor, and the sublimation transfer printing can only be used for chemical fiber fabrics, cannot use pure cotton fabrics, t-shirts, class is low.

Water transfer printing T-shirt would not have these disadvantages of the production process, it can use pure cotton material, after the transfer will not have film feeling, feel is good, and has the characteristics of permeability.

Water transfer printing T-shirt production need to use special T-shirt water transfer paper, it has a play and excited to play two spray, spray and play with water transfer paper has a T-shirt with light color and brunet two t-shirts, excited for water transfer paper is only a transparent transfer membrane, is only applicable to light color T-shirt.

　　2.

Ceramic, metal, wooden gift and craft items printed the traditional personality porcelain, porcelain and metal badge with sb on it cannot leave the special transfer printing equipment, processing process is relatively complicated, and the application of the water transfer printing technology, not only do not need any transfer printing equipment, but also simplify the processing procedure.

Using general water transfer printing paper, not only can transfer printing, metal, ceramic, can also transfer printing glass, bamboo, wood, leather, stone, plastic medium, such as for gifts, handicrafts, toys, furniture, electrical appliances, sports equipment and so on carries on the beautification, specular effect is achieved when the heat transfer surface, design level of rich, colourful, and waterproof wear-resisting corrosion resistance.

　　3.

Crystal video production traditional crystal image processing needs polishing machine and uv light curing equipment, processing process including the crystal grinding, glue, curing, polishing step, long processing time, the intensity of labor is big.

Water transfer printing technology was applied to crystal video production, can save processing equipment, also do not need to grinding and gluing, not only simplifies the processing steps, and greatly improve the production efficiency, also has a lot of improvement of image quality.

The free grinding, avoid glue crystal image you just need to general water transfer printing paper for production, even ordinary users also can DIY.

　　4.

Tattoo made in American TV series prison break, leading role Michael that a cool tattoos let a person envy, but the high cost of physical, time is very long, but also bear the pain of the body, and can only take surgery to remove it.

If you don't have so much trouble, a lot of people are willing to try a tattoo, and water transfer printing technology provides the opportunity for them, just through a dedicated inkjet tattoo sticker, then we can print their own image and transfer into the skin, the image can keep 3 ~ 7 days, after then you won't leave a mark.

This tattoo is special printing film using harmless to the human body nano materials, waterproof breathable, will not cause skin unwell feeling, can let a person to enjoy the fun of tattoo, market prospect is very good.

5.
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Speak & throughout;

Flowers printed before flowers painting projects need to purchase a thousands of yuan price of flower print machine, and the application of water transfer printing technology can save the cost for buying equipment.

Flowers is print machine to print the image directly to the flower petals into a curved surface, and can only be printed on the flowers outside the biggest disc, the technology of flower type, the size of the petals, have higher demand to the color of the flowers, printing effect was only barely qualified.

Water transfer printing technology is different, the image is due to the print on the transfer paper, the effect is very good, but also the location of the heat transfer is very flexible, you can transfer to the flowers inside the disc, give a person with surprise, also is more advantageous to implicitly express feelings.

there are two kinds of water transfer printing technology, is a kind of water transfer printing technology, the other is only the water transfer printing technology, the main text and pictorial design of transfer printing, the latter tend to complete transfer printing in the entire product surface.
Only the transfer printing technology (
CubicTransfer)

Use a easily dissolved in water of water soluble film to carry graphic.

Because the water only the film tension, easily entangled in product surface formed by layers, like spray paint surface have different appearance.

Only the transfer printing technology color patterns can be lie on any shape of the workpiece, for producers to solve the problem of three-dimensional printing products.

The main raw material of PET film is LLDPE, which is relatively soft and has a certain degree of stretchability. The general thickness is 0.0mm-0.15mm, and its viscosity varies from 5G-500G according to the requirements of use (in terms of viscosity, domestic and foreign divisions are different, such as South Korea 200 grams of the film is equivalent to about 80 grams in the country), the protective film of PE material is divided into electrostatic film, anilox film and so on. Mechanical properties PET film has a high tensile strength, comparable to aluminum foil, 9 times that of HDPE film, and 3 times that of PC and PA films. It has low creep and good fatigue resistance (better than reinforced PC and PA). PA), good abrasion resistance and friction resistance. The mechanical properties of PET are less affected by temperature. Thermal properties The heat resistance of pure PET film is not high, but it is greatly improved after reinforcement. The mechanical properties at 180℃ are better than that of PF laminate. It is the heat-resistant variety of reinforced thermoplastic engineering plastics. The resistance of PET It has good heat aging properties, the brittleness temperature is -70℃, and it still has a certain degree of toughness at -30℃. PET is not easy to burn, and the flame is yellow with dripping. Electrical properties Although PET is a polymer, it has excellent electrical insulation and can still be well maintained at high frequencies. PET has poor corona resistance and cannot be used for high-voltage insulation; electrical insulation is affected by temperature and humidity. The influence of humidity is greater. Environmental performance PET film contains ester bonds and is not resistant to water, acid, and alkali under high temperature and water vapor conditions. PET is stable to organic solvents such as acetone, benzene, toluene, trichloroethane, carbon tetrachloride and oils. , It also has higher resistance to some oxidants such as hydrogen peroxide, sodium hypochlorite and potassium dichromate. It is a company specializing in the production of PET film with multiple functions, such as: transparent PET film, milky white PET film, release PET film, supply of PET motor film, etc. With a wide variety of products, affordable prices, and environmental protection, we provide customers with excellent quality and service based on the service tenet of excellence in production, honesty and trustworthiness in distribution, and warm and thoughtful service. Interested parties welcome to inquire!

1. Disposal of packaging waste, adhere to recycling, sustainable development, and develop degradable plastic carriers. Produce degradable gas phase anti-rust plastic film to prevent packaging waste pollution from the source. 2. The recycling of packaging waste is currently the most important aspect of the world's green packaging and circular economy. Recycling has good economic and ecological benefits. There are many types of films, which are convenient for reuse. It is a company specializing in the production of PET film with multiple functions, such as: transparent PET film, milky white PET film, release PET film, supply of PET motor film, etc. With a wide variety of products, affordable prices, and environmental protection, we provide customers with excellent quality and service based on the service tenet of excellence in production, honesty and trustworthiness in distribution, and warm and thoughtful service. Interested parties welcome to inquire!

Water-soluble films have innovated various industries, ranging from packaging to textiles thanks to their unique mechanical and thermal properties. As the quest for environmentally sustainable materials escalates, these films gain increasing attention. Let's delve into an in-depth understanding of their properties and potential applications.

Introduction to Water-Soluble Films

Water-soluble films, as their name suggests, dissolve upon contact with water, making them an interesting choice for a variety of applications. Originally developed for single-use items, these films have found roles in agricultural, industrial, and domestic settings. Their versatility lies in the unique combination of mechanical and thermal properties that they offer. This dissolvable characteristic contributes significantly to reducing waste and promoting environmental sustainability, aligning with the global push towards greener solutions.

For manufacturers and researchers, the applicability of water-soluble films extends beyond their simple solubility. The adaptability of these films allows them to be engineered for particular mechanical strengths and thermal behaviors, meaning they can be custom-designed to fulfill specific industrial needs.

Mechanical Properties of Water-Soluble Films

One of the primary considerations for any film used in industrial applications is its mechanical properties, specifically tensile strength, flexibility, and durability. Water-soluble films such as polyvinyl alcohol (PVA) and hydroxypropyl methylcellulose (HPMC) exhibit impressive tensile strengths that rival traditional non-soluble plastics. This tensile strength ensures that the films can withstand significant stress and strain during usage.

Another critical mechanical aspect is flexibility. Water-soluble films must maintain flexibility under various conditions to be considered viable options. The flexibility here relates to the film's ability to bend without breaking, an attribute crucial for packaging and wrapping applications. Films like PVA maintain their flexibility due to their polymer structure, allowing them to envelop a range of shapes and sizes effectively.

Durability in water-soluble films is a complex attribute because it ties directly with the desired rate of dissolution. While these films must dissolve efficiently in water, they should remain durable enough during transport and handling to prevent premature dissolution or damage. Manufacturers often engineer the films with multiple polymer layers or specific coatings to achieve this delicate balance, enhancing their life cycle without compromising their primary function.

Thermal Properties and Stability

Thermal properties are as crucial as mechanical properties when it comes to engineering functional films. Water-soluble films must endure exposure to different temperatures during their lifecycle, including during manufacturing, transportation, and storage. The thermal stability of these films often determines their suitability for various applications.

Water-soluble films often possess excellent thermal resistance. For instance, PVA films maintain functionality across temperatures ranging from freezing points to around 200°C. This wide range of thermal stability enables the films to perform well in both cold and hot environments, making them suitable for diverse industrial applications.

Heat sealability is another essential thermal property. Water-soluble films must be easily sealed using thermal processes to ensure the security of the packaging and prevent contamination or spillage. Films like HPMC exhibit remarkable heat sealability without compromising their solubility.

Thermal degradation is a potential concern that manufacturers address through material strengthening and conditioning. High thermal conditions can weaken the polymer chains, reducing the film's overall integrity. Additives and special treatments are often used to enhance the thermal resistance and longevity of these films.

Applications in Various Industries

The mechanical and thermal properties of water-soluble films make them suitable for numerous applications across various industries. In the packaging sector, these films are frequently used for single-use pouches that hold detergents or pesticides. These packages dissolve in water, ensuring that users need not come into direct contact with potentially harmful substances.

In agriculture, water-soluble films are used for seed tapes and nutrient delivery systems. The films dissolve gradually, releasing seeds or fertilizers in a controlled manner, improving the efficiency of agricultural processes and ensuring better crop yields.

The medical field also benefits significantly from these films. They are used in making biodegradable covers for tablets and capsules, enabling precise, controlled-release of medication in a patient's system. Additionally, surgical tools and equipment can be wrapped in water-soluble films, which dissolve seamlessly when in contact with bodily fluids or during sterilization processes.

In the textile industry, these films have paved the way for water-soluble embroidery backing, which simplifies design processes and enhances the quality of finished products. The backing dissolves after the embroidery is complete, leaving just the beautifully designed fabric behind.

Challenges and Future Directions

Despite their advantages, water-soluble films face several challenges that need addressing for broader adoption. One of the primary challenges is the environmental condition sensitivity. These films need meticulous handling and specific environmental controls during storage and transportation to prevent premature dissolution.

Regulatory compliance is another challenge. Different industries have varying safety standards and regulations that these films must meet. Ensuring that water-soluble films are non-toxic and safe for human use is paramount across all applications, necessitating rigorous testing and quality control.

Looking to the future, advancing polymer technology holds promising potential for the development of next-generation water-soluble films. Researchers are working on creating films that can offer even higher mechanical strength and greater thermal stability while maintaining solubility and environmental benefits. Innovations such as nano-enhanced polymers or bio-based polymers could become game-changers, propelling these films to new heights of functionality and application.

Conclusion

Water-soluble films represent a forward-looking solution blending mechanical robustness with thermal reliability, all while contributing to the goal of environmental sustainability. This article has delved into their properties, from tensile strength and flexibility to thermal resistance and heat sealability, illustrating how these characteristics enable their application across multiple industries.

Future advancements hold the key to overcoming existing challenges, paving the way for broader and more effective use of water-soluble films. As the scientific community and industry continue to innovate, water-soluble films are set to become critical components in creating a more sustainable and efficient world.

Water-soluble PVA films have become a popular choice for various industries due to their ease of use and environmentally-friendly properties. However, many people still have questions about these innovative products. In this article, we will answer some frequently asked questions about water-soluble PVA films to help you better understand their uses and benefits.

What are water-soluble PVA films?

Water-soluble PVA films are made from polyvinyl alcohol (PVA) and are designed to dissolve in water. These films are widely used in the packaging industry as they provide a convenient and eco-friendly alternative to traditional plastic films. Water-soluble PVA films are also used in the textile industry for embroidery and in the construction industry for temporary packaging solutions. These films are biodegradable, non-toxic, and leave no harmful residues when they dissolve in water.

Water-soluble PVA films are also used in the medical and pharmaceutical industries for packaging of tablets and capsules. These films are ideal for products that need to be protected from moisture and oxygen. Additionally, water-soluble PVA films are used in the food industry for packaging of candies, sauces, and seasonings. These films are safe for food contact and do not alter the taste or odor of the packaged products.

How do water-soluble PVA films work?

Water-soluble PVA films dissolve in water at a specific temperature, usually around 60°C. Once the film comes into contact with water at the designated temperature, it begins to disintegrate and break down into non-toxic components. The dissolution process is rapid, typically taking only a few minutes, depending on the thickness of the film. This unique property makes water-soluble PVA films highly versatile and suitable for a wide range of applications.

In addition to their water-solubility, PVA films have excellent barrier properties against oxygen and moisture, making them ideal for protecting sensitive products. These films also have good printability, allowing for branding and labeling on the packaging. Furthermore, water-soluble PVA films are compostable, contributing to a more sustainable and eco-friendly packaging solution.

Are water-soluble PVA films safe for use?

Water-soluble PVA films are considered safe for use in various industries, including food, pharmaceuticals, and textiles. These films are non-toxic and do not contain harmful chemicals or residues that could leach into the packaged products. Water-soluble PVA films are approved by regulatory bodies such as the FDA for food contact applications, ensuring their safety for consumers.

Furthermore, water-soluble PVA films are environmentally friendly as they are biodegradable and compostable. These films break down into harmless components when dissolved in water, leaving no negative impact on the environment. By using water-soluble PVA films, companies can reduce their carbon footprint and contribute to a more sustainable packaging solution.

What are the advantages of using water-soluble PVA films?

There are several advantages to using water-soluble PVA films in various industries. One of the primary benefits is their eco-friendly nature. These films are biodegradable and do not contribute to plastic pollution in the environment. Water-soluble PVA films also provide a convenient solution for packaging products that need protection from moisture and oxygen, such as food, pharmaceuticals, and textiles.

Additionally, water-soluble PVA films offer excellent printability, allowing for branding and labeling on the packaging. This feature is especially important for companies looking to promote their products and enhance brand visibility. Moreover, water-soluble PVA films are versatile and can be customized to meet specific packaging requirements, making them suitable for a wide range of applications.

How can water-soluble PVA films be disposed of?

Water-soluble PVA films can be disposed of in several ways, depending on the application and the local waste management regulations. In many cases, these films can be dissolved in water and flushed down the drain or disposed of in a composting facility. The dissolution process is quick and efficient, leaving no harmful residues behind.

For industrial applications where large quantities of water-soluble PVA films are used, companies may have dedicated recycling programs in place. These programs collect used films and recycle them into new products, reducing waste and promoting sustainability. Alternatively, water-soluble PVA films can be incinerated in waste-to-energy facilities, where they can generate heat and electricity.

In summary, water-soluble PVA films are a versatile and eco-friendly packaging solution for various industries. These films provide a convenient alternative to traditional plastic films, offering excellent barrier properties and printability. With their biodegradable and compostable nature, water-soluble PVA films contribute to a more sustainable future and help reduce plastic pollution in the environment. By understanding the benefits and uses of water-soluble PVA films, companies can make informed decisions about incorporating these innovative products into their packaging solutions.