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Professional polyurethane resin manufacturer to meet diversified requirements.Meet diverse needs
  • Gravure Printing Ink Resin
    Gravure Printing Ink Resin
    Gravure Printing Ink Resin

    Polyurethane resin is a versatile material that can be used in the preparation of gravure printing ink for film. Gravure printing is a method of printing that uses engraved cylinders to transfer ink onto a substrate, and it is commonly used for high-volume printing applications such as packaging and labeling. as a binder to provide adhesion and durability to the ink. It can also be used to adjust the viscosity and flow properties of the ink, which is important for ensuring consistent print quality and optimal ink transfer to the substrate. We could provide solvent based polyurethane resin, polyurethane emulsion, acrylic resin, waterborne polyurethane dispersion to meet diversified requirement.

  • Flexo Printing Ink Resin
    Flexo Printing Ink Resin
    Flexo Printing Ink Resin

    Polyurethane resin in flexographic printing ink preparation include: Good adhesion;Good abrasion resistance;Good chemical resistance;Good flexibility;Environmental safety We could provide solvent based polyurethane resin, polyurethane emulsion, acrylic resin, waterborne polyurethane dispersion to meet diversified requirement

  • Leather Surface Coating Resin
    Leather Surface Coating Resin
    Leather Surface Coating Resin

    Polyurethane resin is a versatile material that has found extensive use in the leather industry for surface finishing and coating. It is used to improve the durability, water resistance, and appearance of leather products. the use of polyurethane resin in leather finishing offers many benefits, including improved durability, water resistance, appearance, and comfort. It is a popular choice for high-end leather products such as luxury handbags, shoes, and clothing We could provide solvent based polyurethane resin, polyurethane emulsion, acrylic resin, waterborne polyurethane dispersion to meet diversified requirement.

  • Textile Screen Printing Ink Resin
    Textile Screen Printing Ink Resin
    Textile Screen Printing Ink Resin

    Polyurethane resin Polyurethane Dispersion can be used in textile screen printing ink. It can provide excellent adhesion and toughness, as well as excellent chemical resistance and heat resistance. Polyurethane resin can also reduce the viscosity of the ink and enhance its fluidity, which is important for direct printing using textile screen printing technology. Additionally, the use of polyurethane resin can reduce the amount of solvents needed in the ink formulation, making it more environmentally friendly and sustainable We could provide solvent based polyurethane resin, polyurethane emulsion, acrylic resin, waterborne polyurethane dispersion to meet diversified requirement.

  • Polyurethane Associate Thickener(HEUR)
    Polyurethane Associate Thickener(HEUR)
    Polyurethane Associate Thickener(HEUR)

    Polyurethane associative thickeners(HEUR)are a type of additive that are commonly used in the production of coatings, inks, and other materials to improve their viscosity and flow properties. They work by forming associations between the polymer chains, which increases the effective viscosity of the material.HEUR can be used in both water-based and solvent-based systems. They are particularly useful in formulations where low viscosity is required, as they can provide rapid thickening upon shear or mixing.

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Professional polyurethane resin manufacturer to meet diversified requirements.Meet diverse needs
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ABOUT Gold-mine Advanced

Professional polyurethane resin manufacturer to meet diversified requirements.Meet diverse needs

Hunan Gold-mine Advanced Material Technology Co., Ltd.

Hunan Gold-mine Advanced Material Technology Co., Ltd is established in 2007, which is a high-tech enterprise specializing in the research, development, production and sales of new polymer materials. The company has a professional R&D team and modern production equipment. Its main products include polyurethane resin, waterborne polyurethane resin, acrylic resin, polyurethane associative thickener(HEUR) etc, which are widely used in printing ink, coatings, adhesives, building materials and other fields. The products of the company have the following characteristics: 1. Excellent environmental performance: All products of the company use environmentally friendly materials and processes, do not contain harmful substances, and meet national environmental protection standards. 2. Stable and reliable performance: The products of the company have excellent physical and chemical properties, can meet different needs of customers, and ensure the stability and reliability of products. 3. Wide application range: The products of the company have a wide range of applications, covering printing ink, coatings, adhesives, building materials and other fields, and can meet different needs of customers. The company has strong R&D strength, with a professional R&D team and modern R&D facilities, and can continuously launch new products and technologies. The company has obtained multiple national patents and honorary titles, and has passed ISO9001 quality management system certification and ISO14001 environmental management system certification. In the future, Hunan Gold-mine Advanced Material Technology Co., Ltd  will continue to adhere to technological innovation and quality management, constantly improve product quality and service level, provide customers with higher quality products and more perfect solutions, and become one of the leading suppliers of polymer materials in the industry.
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ISO13485 international quality management system for medical devices
ISO13485 international quality management system for medical devices
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Professional polyurethane resin manufacturer to meet diversified requirements.Meet diverse needs

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Professional polyurethane resin manufacturer to meet diversified requirements.Meet diverse needs
  • Apr 29, 2024
    production, structure and performance of alcohol-soluble polyurethane resin for ink

    Preparation method: Usually, alcohol-soluble polyurethane resin is synthesized with polyester or polyether polyols, alicyclic diisocyanates and binary amine / binary alcohol chain extenders as the main raw materials through reactions. During the preparation process, the performance of the resin can be optimized by changing the reaction conditions and types of materials. Structural features: The molecular chain of alcohol-soluble polyurethane resin contains polar groups, such as urethane and ureido carbamate, which give it good dispersion and wetting performance for pigments. At the same time, the degree of microphase separation and hydrogen bonding will increase with the increase of the hard segment content. Performance research: Mechanical properties: With the increase of the degree of microphase separation, the mechanical properties such as tensile strength and fixed elongation strength of alcohol-soluble polyurethane resin will increase, but the elongation at break will decrease. Hydrolysis resistance and alcohol resistance: The addition of polyhydroxy compounds for end-capping can improve the hydrolysis resistance and alcohol resistance of polyester polyether polyurethane. Affinity with pigments / dyes: Alcohol-soluble polyurethane resin has a good affinity and wettability with pigments / dyes, which helps to improve the quality of ink. Film forming performance: The ink made from this resin has good film forming performance, which can ensure the quality of the printed matter. Research significance: The synthesis of high-performance alcohol-soluble polyurethane resin is of great significance for improving the quality and performance of ink, and at the same time, attention should also be paid to its environmental protection and safety. It should be noted that the above information is only a general introduction, and the specific research content and results may vary due to the experimental design and conditions of the researchers. If you are interested in the research in this field, it is recommended to consult relevant academic literature or professional personnel for more detailed and accurate information.

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  • Feb 26, 2024
    Film-Forming Polurethane(PU) Binder For Gravure reverse printing ink

    Film-forming polyurethane binder are commonly used in printing ink formulations to provide excellent adhesion, flexibility, and durability to the printed film. When it comes to gravure reverse printing inks, which are applied to a printing plate with recessed image areas, the ink needs to have specific properties to ensure proper transfer and adhesion to the substrate. One suitable polyurethane binder for gravure reverse printing ink is a solvent-based-component polyurethane system. This type of resin typically consists of two components: a polyol component and an isocyanate component. The polyol component contains a hydroxyl-functional polymer, such as a polyester or a polyether polyol, while the isocyanate component typically consists of an aliphatic or aromatic diisocyanate. Here are some key characteristics and advantages of film-forming polyurethane binder for gravure reverse printing ink: 1. Adhesion: Polyurethane binder exhibit excellent adhesion to various substrates, including plastic films, papers, and metals. This ensures that the printed ink adheres well to the substrate surface and resists rubbing, scratching, and peeling. 2. Flexibility: Polyurethane binder provide flexibility to the ink film, allowing it to conform to the contours of the substrate without cracking or flaking. This is particularly important for packaging materials that undergo bending, folding, or stretching. 3. Chemical resistance: Polyurethane binder offer good resistance to chemicals, solvents, and oils, ensuring that the printed image remains intact even when exposed to harsh environments or cleaning agents. 4. Gloss and transparency: Polyurethane binder can be formulated to provide a range of gloss levels, from high gloss to matte finishes. Additionally, they can offer excellent transparency, allowing printed graphics or images to be visible through the ink film. 5. Fast drying: Polyurethane binder can be formulated to have fast drying characteristics, which are essential for high-speed printing processes like gravure printing. This enables efficient production and reduces the risk of smudging or offsetting. It's worth noting that the specific formulation of a polyurethane binder for gravure reverse printing ink can vary depending on the desired properties, substrate, and printing conditions. Ink manufacturers and formulators often customize the resin composition by incorporating additives, pigments, and other performance-enhancing ingredients to meet specific application requirements. When selecting a polyurethane binder for gravure reverse printing ink, it is recommended to consult our company with solvent based and waterborne polyurethane(PU)binder for your application

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  • Feb 18, 2024
    PU Binder For Gravure Printing Ink and Flexo Ink

    Gold-mine as a Chinese PU binder manufacuter develop, produce and supply a broad range of modifying, film-forming and plasticizing thermoplastic polyurethanes for flexographic and gravure printing applications. polyurethane resins are suitable to be used in surface and laminating printing inks, and are designed to fulfill the highly demanding printer requirements of this sophisticated market The liquid flexible packaging ink is made by resin, pigment, additives and solvent. And the resin is the core of the ink, due to the PU advantage, now PU resin becomes more and more popular, especially for the retorting application. We have the plasticizer, semi-film-former and film-former PU resin for ink. They are widely used for surface printing ink and lamination ink in both flexo and gravure printing technology. With the excellent color strength and adhesion property, they can meet different requirements and applications. All our products are TOL & MEK free, and our product safety expert assures our product can meet the regulation and law around the world, including Nestlé Guidance Note, EuPia Guidline, Swiss Ordinance, also FDA, EU10/2011 and China GB9685-2016 MODIFIER PLASTICIZER PU BINDERS Thermoplastic modifier polyurethane resins are used in combination with NC resins as flexibilizers, plasticizers and adhesion promoters in printing inks to replace phthalates and other restricted substances. FILM-FORMING PU BINDERS Elastomeric polyurethane resins are of a high molecular weight and used alone or in combination with small quantities of NC as a base for printing inks. Our new-generation aliphatic and tin-free elastomeric polyurethanes are successfully used in flexographic and gravure universal laminating ink systems providing specific features such as: direct pigment gridding, excellent adhesion, low odor/solvent retention, no yellowing performance, excellent anti-blocking, heat and water resistance and high solid content.

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  • Feb 17, 2024
    non-film-forming and film-forming polyurethane(PU)resin in printing inks

    The liquid flexible packaging ink is made by resin, pigment, additives and solvent. And the resin is the core of the ink, due to the PU advantage, now PU resin becomes more and more popular, especially for the retorting application. We have the plasticizer, semi-film-former and film-former PU resin for ink. They are widely used for surface printing ink and lamination ink in both flexo and gravure printing technology. With the excellent color strength and adhesion property, they can meet different requirements and applications. All our products are TOL & MEK free, and our product safety expert assures our product can meet the regulation and law around the world, including Nestlé Guidance Note, EuPia Guidline, Swiss Ordinance, also FDA, EU10/2011 and China GB9685-2016. The main application characteristics of non-film-forming resins and film-forming resins in printing inks are as follows: Non-Film-Forming Resins: Non-film-forming resins, such as plasticizers, are primarily used in surface printing inks in collaboration with NC (nitrocellulose) resin. These resins are polymeric plasticizers, which means they do not have issues. They offer excellent resistance to heat, oil, fat, grease, and moisture. Non-film-forming resins are softer compared to NC resin, and their hardness can be adjusted to achieve different performance characteristics. Due to their low molecular weight, these resins tend to have a sticky nature. They also exhibit excellent tolerance to alcohols, making them suitable for flexographic and gravure inks. Film-Forming Resins: Film-forming resins, such as polyurethane resins, play a crucial role as binders in printing inks. These resins provide adhesion and durability to the ink film. Polyurethane resins have the advantage of excellent compatibility with various substrates, including plastic films. They offer good chemical resistance and durability, enhancing the longevity of the printed image. Additionally, polyurethane resins can improve the gloss and color vibrancy of the ink. They form a solid film upon drying, which contributes to the ink's stability and mechanical properties. Film-forming resins are commonly used in various printing applications, including packaging, labels, and publications. In summary, while non-film-forming resins like plasticizers enhance ink properties such as flexibility and resistance, film-forming resins like polyurethane resins act as binders and provide adhesion, durability, and improved visual characteristics to printed materials. The selection of the appropriate resin type depends on the specific requirements of the printing application and desired ink performance.

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  • Jan 29, 2024
    characteristics of polyurethane resin in printing ink production:

    Polyurethane (PU) is the abbreviation for water-based polyurethane, which is typically defined as a high-molecular-weight compound with repeating urethane (NHCOO) units on the main chain of a polymer. Its structure is represented as CO-NH-R-NH-CO-O-R-O, typically formed through the step-growth polymerization reaction between diisocyanates and compounds containing two or more active hydrogen groups. In addition to urethane groups, urea and biuret groups are also formed. In general, water-based polyurethane is an addition product of isocyanates. Depending on the number of functional groups in the reaction materials, water-based polyurethane resins can be synthesized with different linear or branched structures, resulting in different properties and applications of the obtained water-based polyurethane emulsions. Characteristics of Water-based Polyurethane: High elasticity and cost-effectiveness Easy to use and modify Safe, non-toxic, non-flammable Strong adhesion, high and low temperature resistance Easy storage and handling Applications of Water-based Polyurethane: Textile Industry: Water-based polyurethane is used as a coating on fabrics to improve their properties, such as color depth, colorfastness, abrasion resistance, wrinkle resistance, resilience, water resistance, heat resistance, and washability. Automotive Industry: Water-based polyurethane coatings are widely used in automotive body parts, interior and exterior components, including coatings for various plastic parts, automotive paints, and repair coatings. They help significantly reduce volatile organic compound (VOC) emissions. Woodworking Industry: Water-based polyurethane coatings are commonly used as wood finishes. They offer excellent flexibility, wear resistance, low-temperature film formation, and good leveling, without causing re-sticking issues. Construction Industry: Water-based polyurethane coatings have great potential in the field of architectural coatings, especially when mixed with acrylic emulsions. They meet the requirements for elasticity, stain resistance, weather resistance, and cost-effectiveness in architectural coatings. Coatings Industry: Standard water-based polyurethane coatings are flammable in air and have limited water resistance, which restricts their application. Extensive research has been conducted to develop specialized water-based polyurethane coatings with flame retardant, anti-corrosive, waterproof, and anti-mold properties, expanding their application range. Additionally, functional water-based polyurethane coatings with properties such as conductivity, environmental friendliness, shock absorption, biodegradability, and self-healing have also been developed based on specific needs. Water-based Polyurethane Adhesives: Water-based polyurethane adhesives have excellent bonding performance and the film properties can be adjusted over a wide range. They are used in a variety of substrates, including footwear, automotive interior adhesives, vacuum formin...

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