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Flexible packaging: the flexible wisdom of modern packaging revolution
On the supermarket shelves, those plastic bags, aluminum foil bags and composite film packages that can be easily extruded and deformed are changing the consumption experience of human beings in a silent way. As an important branch of packaging industry, flexible packaging has opened up a flexible road in the field dominated by traditional rigid packaging with its unique material characteristics and structural design. The most obvious advantage of flexible packaging lies in its excellent...
Polyurethane adhesive: a bonding expert in multi-industry application
As a high-performance synthetic adhesive, polyurethane adhesive occupies an important position in many industrial fields with its excellent bonding strength, weather resistance and flexibility. This kind of polymer, which is produced by the reaction of isocyanate and polyol, can adjust its physical and chemical properties according to different formulations to meet diversified industrial needs. Polyurethane adhesive plays an irreplaceable role in automobile manufacturing industry. It is widely...
Bonding technology of polyurethane adhesive (Ⅱ)
3. Roughening treatment If the bonding surface is smooth, it is generally necessary to roughen it first to increase the contact area between polyurethane adhesive and substrate. Polyurethane adhesive permeates into the recesses or pores on the surface of the substrate, and after curing, it can be embedded like "nails, hooks and sticks", which can firmly stick the substrate together. Commonly used treatment methods include sand blasting, wood file coarsening and sandpaper grinding. However, if...
Bonding technology of polyurethane adhesive (I)
Polyurethane adhesive is a kind of adhesive with strong adhesion and excellent performance. It has excellent chemical adhesion with porous materials containing active hydrogen, such as foam, plastic, wood, leather, fabric, paper, ceramics and other materials with smooth surface, such as metal, glass, rubber and plastic. Polyurethane adhesive is often used in flexible packaging, automobile, construction and other industries. So, what are the bonding processes of polyurethane adhesives? 1....
Common adhesives for flexible packaging
At present, the commonly used composite adhesives in flexible packaging industry mainly include solvent-free adhesives, water-based adhesives and solvent-based adhesives. Developed countries in Europe and America attach great importance to environmental protection, and solvent-free adhesives and water-based adhesives are mainly used in the composite production of flexible packaging. In most countries in Asia and Africa, solvent-based adhesives are still the main soft packaging manufacturers....
Guangdong Xin Hui Chemical Co., Ltd. Shines at Indonesia Exhibition, Achieving Remarkable Success
Jakarta, Indonesia --- Guangdong Xinhui Chemical Co., Ltd., a leading chemical manufacturer in China, participated in the Indonesia International Chemical Exhibition held from June 5th to 8th, 2025. The company showcased its high-quality polyurethane adhesive and innovative solutions, attracting widespread attention from industry professionals and securing fruitful business opportunities. Strong Presence and High Engagement During the four-day exhibition, Xin Hui Chemical's booth became a...
Test method and evaluation standard system of chemical corrosion resistance of polyurethane adhesive
1.What is polyurethane adhesive? What are its characteristics? Polyurethane Adhesive (PU adhesive for short) is a kind of adhesive material with polyurethane resin as the main component. It generates high molecular polymers by the reaction of isocyanate groups with polyols or other active hydrogen compounds, thus achieving the bonding function. The following are the main characteristics of polyurethane adhesive: (1)Excellent bonding performance: it can bond metal, plastic, wood, glass and other...
Application of oily polyurethane resin in printing field
Oily polyurethane resin is widely used in printing field, and its excellent physical properties and chemical stability make it an important part of printing ink. The following is a concrete analysis of the application of oily polyurethane resin in the printing field: First, the role of ink components and resin binders Printing ink is mainly composed of resin binder, pigment (or dye), additives and solvents. As the "heart" of ink, resin binder mainly plays the role of dispersing pigments and...
The Important Role of Polyurethane Adhesive in Flexible Packaging Industry
The Important Role of Polyurethane Adhesive in Flexible Packaging Industry Polyurethane adhesive, as a high-performance adhesive material, plays an indispensable role in the flexible packaging industry. With the continuous improvement of consumers' requirements for packaging quality and the increasingly strict environmental protection regulations, polyurethane adhesive has become the preferred bonding solution in flexible packaging composite technology because of its excellent performance...
[Holiday blessings] Xinhui Chemical wishes everyone: Dragon Boat Festival is healthy and joy is always with you!
Market Applications of Waterborne Polyurethane Adhesives
Introduction Waterborne polyurethane (PU) adhesives have become a key material in various industries due to their eco-friendly properties, strong bonding performance, and versatility. As environmental regulations tighten and demand for sustainable solutions grows, these adhesives are increasingly replacing solvent-based alternatives. This article explores their market applications across different sectors. Key Market Applications 1. Automotive Industry Waterborne PU adhesives are extensively...
The Advantages of Water-Based Polyurethane Adhesives
Water-based polyurethane (PU) adhesives have become increasingly popular in various industries due to their unique properties and environmental benefits. This article explores the key advantages of using water-based PU adhesives, making them a preferred choice for many applications. 1. Environmentally Friendly One of the most significant advantages of water-based polyurethane adhesives is their eco-friendliness. Unlike solvent-based adhesives, which release volatile organic compounds (VOCs)...
The Rising Demand for Two-Component Solvent-Based Polyurethane Adhesives in the Global Market
In recent years, the global market for adhesives has seen a significant shift towards more versatile and high-performance solutions, with two-component solvent-based polyurethane (2K-PUR) adhesives emerging as a key player. This trend is driven by their superior bonding strength, flexibility, and resistance to environmental factors, making them an ideal choice for a wide range of applications across multiple industries. Market Overview According to a report by MarketsandMarkets, the global...
The Future of Food Packaging: Innovations in Polyurethane Adhesives
As smart and active packaging gains traction, next-gen polyurethane adhesives are enabling breakthroughs: Emerging Trends: Smart Labels: Adhesives compatible with RFID and freshness indicators. High-Speed Lamination: Faster curing for efficient production. Bio-Based PU Adhesives: Renewable raw materials for circular economy. The future of food packaging lies in smarter, safer, and more sustainable adhesive technologies—polyurethane continues to lead the way.
Overcoming Packaging Challenges with Polyurethane Adhesives
Flexible packaging faces challenges like delamination, moisture ingress, and chemical exposure. Polyurethane adhesives provide robust solutions for demanding applications. Problem-Solving Features: ✅ Strong Bonding: Prevents layer separation in multi-material films.✅ Chemical Resistance: Withstands oils, acids, and solvents.✅ Barrier Protection: Enhances shelf life by blocking oxygen and moisture. From stand-up pouches to vacuum-sealed bags, these adhesives ensure packaging performs under...
Sustainable Solutions: Eco-Friendly Polyurethane Adhesives for Flexible Packaging
Sustainability is reshaping the packaging industry, and eco-friendly polyurethane adhesives are leading the charge. These adhesives enable recyclable and compostable packaging structures without sacrificing performance. Green Benefits: Solvent-Free & Water-Based: Reduce VOC emissions. Compatible with Bio-Based Films: Supports PLA and cellulose-based packaging. Recyclability: Allows mono-material packaging designs. Brands seeking to meet ESG goals can leverage these adhesives to...
Ensuring Food Safety with High-Performance Polyurethane Adhesives
Food safety is non-negotiable in packaging, and polyurethane adhesives play a critical role in meeting regulatory requirements. These adhesives are formulated to resist migration, ensuring no harmful substances transfer to food products. Key Advantages: ✔ Low Migration: Minimizes risk of contamination.✔ Thermal Stability: Withstands sterilization (retort) and freezing.✔ Odorless & Tasteless: Preserves food quality. With strict global standards like FDA 21 CFR 175.105 and EU 10/2011,...
The Rising Demand for Food-Grade Polyurethane Adhesives in Flexible Packaging
The food packaging industry is rapidly evolving, with a growing emphasis on safety, durability, and sustainability. Food-grade polyurethane adhesives have emerged as a leading solution for flexible packaging due to their superior bonding strength, chemical resistance, and compliance with stringent food safety regulations. Why Polyurethane Adhesives? High Performance: Excellent adhesion to films, foils, and plastics. Food Safety: Compliant with FDA, EU, and other global standards. Versatility:...
Two-Component Solvent-Based Polyurethane Adhesive Industry Insights: Trends & Future Outlook
Industry Insights: Trends & Future Outlook Market Growth Drivers Demand from Automotive & Aerospace – Lightweight material trends (e.g., carbon fiber, plastics) drive adoption of high-performance PU adhesives. Sustainability Pressures – While solvent-based systems face scrutiny, innovations in low-VOC formulations are gaining traction. Emerging Economies – Rapid industrialization in Asia-Pacific fuels demand for durable adhesives in construction and...
Product Introduction & Industry Insights: Two-Component Solvent-Based Polyurethane Adhesive
OverviewTwo-component solvent-based polyurethane (2K PU) adhesives are high-performance bonding solutions known for their exceptional strength, durability, and versatility. Comprising a polyol (Part A) and an isocyanate (Part B), these adhesives cure via a chemical reaction, forming robust, flexible bonds resistant to environmental stressors such as moisture, chemicals, and temperature fluctuations. Key Features & Benefits Superior Bonding Performance – Offers excellent adhesion to diverse...
Xinhui Chemical Company 2025 May Day Party Building Tour to Hengyang Nanyue Hengshan, Chenzhou Gaoyi Ling and Yangtian Lake Grassland To celebrate the 104th anniversary of the founding of the Communist Party of China, enrich the cultural life of Party members and enhance team cohesion, Xinhui Company has specially planned the "2025 May Day Party Building Tour "- a three-day trip to Hengyang Nanyue Hengshan, Jiulong Shuizhai, Chenzhou Gaoyiling, Yuhou Street and Yangtianhu Grassland. This is a...
On the morning of February 10th, 2024, Xiaolan Town, Zhongshan successfully held the 2024 Xiaolan Town High-quality Development Conference. Xinhui Company won the "2024 Xiaolan Town Manufacturing Quality Improvement Award" for its outstanding performance in the manufacturing field and innovative practice of enterprise digital transformation and upgrading. This honor is not only an affirmation of our deep-rooted manufacturing and pursuit of excellence, but also an encouragement and spur to all...
Xinhui company annual meeting dinner: Golden snake with brilliance, wisdom wins the future.
On January 16th, 2025, the arrival of the annual meeting ushered in a long-awaited dinner for Xinhui Company employees. At this dinner, everyone gathered to celebrate the achievements and gains of the past year. (Speech by Mr. Ou, General Manager) At the beginning of the dinner, Mr. Ou, the main leader of Xinhui Company, delivered a speech, thanking the employees for their support and dedication. He said that the company would continue to pay attention to the growth and development of employees...
Application and advantages of waterborne polyurethane adhesive in automobile interior decoration
1.Application of waterborne polyurethane adhesive in automobile interior decoration Waterborne polyurethane adhesive can bond automobile interior door panels, instrument panels, ceilings, seats, carpets, rear panels, trunk covers, and other parts. Another typical application range of waterborne polyurethane adhesive is the bonding of the ceiling in a wet process. In addition, two-components waterborne polyurethane adhesive is also widely used for covering parts such as handrails in cars. 2.The...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.