Core Insights - The article emphasizes the importance of core components in twin-screw extruders for nylon modification processing, highlighting that challenges like uneven mixing, quality fluctuations, and capacity bottlenecks can often be addressed through these components [2][3] Group 1: Product Features - The special specifications of screw elements developed by the company enable gentler and more uniform mixing compared to conventional shear elements, significantly reducing molecular chain degradation and enhancing the mechanical properties and appearance consistency of modified nylon materials [5] - The precision of screw elements, barrels, and shafts directly influences the stability of melt delivery, uniformity of residence time distribution, and the quality of the final product, with even minor differences impacting key performance indicators of modified nylon [6] Group 2: Technological Advancements - The company is investing over 20 million to develop cold-rolled shaft processing technology, expected to achieve mass production by 2025, which will address stability and reliability issues faced by high-torque models with a torque coefficient above 13 [8] - The cold-rolling process provides unmatched surface hardness, fatigue strength, and dimensional stability, ensuring robust processing for high-end nylon modifications, such as high-temperature nylon and glass fiber-reinforced nylon [8] Group 3: Company Overview - Established in 2004, the company specializes in the production and custom development of core components for twin-screw extruders, serving leading manufacturers in various sectors including modified plastics, recycled plastics, food and pharmaceuticals, powder coatings, and feed [11][12] - The company has built a reputation for high-quality products, future-oriented technology, and absolute reliability, positioning itself as a leader in the core components of twin-screw extrusion and compounding equipment [12]

Core Viewpoint - Laser welding technology shows significant application potential in the fields of new energy vehicles, low-altitude economic equipment, and precision electronic device packaging due to its non-contact, high efficiency, high precision, and low thermal impact advantages [2] Group 1: Laser Welding Technology - Low transmittance can lead to excessive absorption of laser in upper materials, resulting in insufficient welding strength, while high transmittance requires reduced mold temperature to decrease crystallinity, affecting mechanical properties and potentially causing deformation during cooling [2] - The development of laser-weldable nylon materials was discussed by Zhu Xiongbo, General Manager of Chengdu Boma Polymer Materials Co., Ltd., at the "2025 Advanced Nylon Industry Innovation and Application Development Conference" [2] Group 2: Material Development Techniques - To address low warpage deformation issues, Boma adopted low-viscosity resin matrices combined with special crystallization control technologies, significantly reducing deformation and ensuring welding surface flatness controlled below 0.25 mm [4] - Boma collaborated with partners to develop special refractive index-matching glass fibers, enhancing the transmittance of 1 mm thick materials to 65%-82%, far exceeding conventional material levels, ensuring efficient laser energy penetration and precise capture by the underlying absorption layer [5] Group 3: Production Process Control - Strict production process control is fundamental for stable performance, including unique dehumidification drying systems and strict control of processing temperatures (<125°C) and moisture content to prevent nylon hydrolysis degradation [5] - The use of micro-external release agents (approximately 0.0003) addresses injection molding adhesion issues in high glass fiber materials, ensuring product appearance and dimensional accuracy [5] Group 4: Training and Workshops - Zhu Xiongbo will serve as a lecturer at the "Nylon Modification and High-Performance Processing Technology" advanced training course (8th session) on July 4-5, 2025, discussing key issues in nylon material development and processing [6][11] - The training program includes various topics such as the characteristics and modification of high-temperature nylon resins, the impact of additives on glass fiber-reinforced nylon performance, and the industry progress of halogen-free flame retardants [7][8][10]

Core Viewpoint - Plastic pollution is a significant ecological challenge globally, with China's polyamide 6 (Nylon 6) apparent consumption market exceeding 4 million tons by the end of 2023, while the recycling volume is only 1 to 1.5 million tons, primarily from old fishing nets and waste textile fibers [1][3]. Group 1: Recycling Challenges and Innovations - Traditional recycling of old fishing nets faces three main challenges: difficulty in separation, contamination, and performance degradation due to long exposure to marine environments [1]. - The development of green and efficient cleaning agents and processes has enabled the appearance quality of recycled PA6 pellets to approach that of virgin materials, meeting high-grade product application needs [3]. - The molecular weight of recycled PA6 has been improved through a synergistic approach of reactive extrusion and solid-phase toughening, resulting in a 22% increase in impact strength and a bending strength exceeding 111 MPa, surpassing some virgin resins [3][4]. Group 2: Chemical Recycling and Industrialization - A negative pressure melting depolymerization technology has been developed to achieve mild depolymerization in a vacuum environment, increasing the yield of caprolactam (CPL) monomer to 70% with a purity exceeding 99% [4]. - The company has established a full-process technology chain from targeted recycling channel construction to solvent recovery systems, supporting the supply of over 2 million tons of various types of environmentally friendly recycled plastics [4]. Group 3: Industry Trends and Future Directions - The Chinese nylon industry is accelerating its transition towards high-end and low-carbon production, driven by breakthroughs in the synthesis of special materials and the domestic production of key raw materials [7]. - Emerging applications in electric vehicles, electronics, and intelligent robotics are raising performance requirements for nylon materials, presenting both opportunities and challenges for formulation design and process optimization [7].

Core Viewpoint - The article discusses the transformation of the nylon industry in China towards high-end and low-carbon materials, driven by the domestic production of key raw materials and the increasing demands from emerging sectors such as electric vehicles and robotics [1]. Group 1: Background and Context - The full-scale production of the key raw material, adiponitrile, has enabled the domestic nylon industry to accelerate its transition to high-end and low-carbon materials [1]. - Emerging applications in sectors like new energy vehicles, electronics, and intelligent robotics are raising the performance requirements for nylon materials, creating both opportunities and challenges for formulation design and process optimization [1]. Group 2: Workshop Details - DT New Materials will host the "Nylon Modification and High-Performance Processing Technology" advanced training course on July 4-5, 2025, in Ningbo, focusing on high-temperature nylon, performance additives, and innovative formulation design [2]. - The workshop aims to address production challenges and promote technological innovation and product quality improvement through expert insights [2]. Group 3: Workshop Agenda - The agenda includes various topics such as the characteristics and modification paths of high-temperature nylon resins, the impact of glass fiber on nylon composite performance, and the industry progress of halogen-free flame retardants [3][5][7]. - Interactive sessions will allow participants to engage with experts on practical issues faced in production processes [13]. Group 4: Expert Profiles - The workshop features industry experts with extensive experience in nylon materials and processing, including professionals from Shanghai Beigang New Materials, DT New Materials, and Klaus-Maffei Machinery [14][20]. - Each expert will share insights on specific topics related to nylon modification and processing, enhancing the knowledge base of participants [19][21].

Core Viewpoint - Nylon (polyamide) is a key engineering plastic with high strength, wear resistance, and chemical corrosion resistance, widely used in automotive, electronics, textiles, and new energy sectors. However, its inherent aging issues, such as yellowing and mechanical performance degradation, remain industry pain points [1][3]. Group 1: Aging Mechanism of Nylon - The aging of nylon is caused by both internal and external factors, including the amide bond structure and alkyl chain that are susceptible to free radical reactions under heat, light, oxygen, and water [4]. - External factors like UV radiation, high-temperature processing, and humid environments significantly accelerate material degradation, especially in applications like electric vehicles and outdoor engineering [4]. - Key aging mechanisms include thermal oxidation leading to free radical chain reactions, photodegradation triggered by UV light, and hydrolysis catalyzed by water molecules [4][5]. Group 2: Solutions to Aging Issues - The core strategy to delay nylon aging involves blocking heat sources, isolating oxygen, and eliminating free radicals, with additives playing a crucial role in interrupting these reaction chains [5]. - New materials technology company has developed a range of weather-resistant additives, including antioxidants and light stabilizers, to enhance nylon's durability [5][10]. Group 3: Product Innovations - High-performance antioxidants like AO-3398 and P-EPQ have been introduced, improving thermal stability and resistance to hydrolysis, with temperature resistance exceeding 300°C [10][11]. - New multifunctional nylon additives, such as H3391, enhance processing stability and reduce breakage rates during nylon spinning, while also improving heat aging performance [13]. - The high-temperature yellowing agent H3311 effectively protects nylon products from oxidation and yellowing during processing, especially under high shear and temperature conditions [15]. Group 4: Domestic Technology Breakthroughs - The company has successfully developed a domestic solution for a patented product, reducing market prices from 300,000 yuan/ton to around 100,000 yuan/ton, with an annual production capacity of 300-400 tons [16]. - The company aims to not only replace imports but also address industry pain points through original design [16][17]. Group 5: Industry Trends and Opportunities - The nylon industry in China is accelerating towards high-end and low-carbon transformation, driven by the domestic production of key raw materials and breakthroughs in synthesis technologies for high-temperature and long-chain nylons [19]. - Emerging applications in electric vehicles, electronics, and intelligent robotics present significant opportunities and challenges for nylon modification and additive industries [19].