Chemicals A-Z
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Structure & Industrial
The structural adhesive is needed to bond multiple identical or different substrates together. Compared to adhesives used for other purposes, structural adhesives are required to withstand the forces involved during the product's service life. These forces can be either constant loads or intermittent. They are also susceptible to various external factors that can weaken or damage them, such as impact, vibration, chemical exposure, temperature fluctuations, and more.
Common structural adhesives include anaerobic adhesives, cyanoacrylate adhesives, epoxies, methacrylates, polyurethanes, UV curing adhesives, and others.
Another trend in structural adhesives is the substitution of fasteners, particularly in industries such as automotive manufacturing.
Rosin resin plays multiple roles in structural adhesives: it enhances adhesive strength, controls viscosity, improves water resistance, and enhances chemical resistance. Commonly used rosin-modified resins in structural adhesive formulations include pentaerythrite modified rosinate and rosin modified phenolic resin.
氢化C5石油树脂
CAS: 71700-94-2
SPECS: H51150
C5聚合加氢精制而得的水白色热塑性石油树脂。主要用作增粘剂、连接料和增塑剂应用。由于其相容性能相比较传统C5石油树脂更具稳定，能够在高温下持久保持聚合物的内聚力强度，尤其适合热熔胶（HMA）、热熔压敏胶(HMPSA)、玻璃强化、汽车部件和高级橡胶制品。
松香改性酚醛树脂
CAS: N/A
SPECS: MP5103
松香改性酚醛树脂由甘油（或季戊四醇）和松香缩聚物、苯酚、甲醛酯化后真空处理制得。可溶于煤焦类、酯类、松节油及其类似溶剂，不可溶于醇类溶剂，部分溶于石油制品。能够较好地和植物油融合，具有软化点高、快干等特点。松香改性酚醛树脂可广泛应用于酚醛树脂涂料（通过与植物油加热聚合），纹理印刷油墨，低端压敏胶增粘剂，热熔胶或其他黏接剂。
无色氢化松香季戊四醇酯
CAS: 64365-17-9
SPECS: PEHR100E
无色氢化松香季戊四醇酯PEHR100E以松香酯为原料，与季戊四醇酯化后经催化加氢等一系列技术单元合成而制得的多元醇超浅色增粘树脂。具有颜色超浅、气味极低、耐热性、耐候性优秀等特点，主要应用于显示屏保护膜、药用贴剂、卫生制品等黏合剂、压敏胶、热熔胶。