摘要:
An orthopedic casting article comprising a polymeric foam tape containing one or more curable resins. The polymeric foam tape can be a foam having a substantially open cell structure, substantially closed cell structure, or a substantially reticulated cell structure. The curable resin can be a water-curable resin. The casting article can be multi-layered to obtain an article suitable for splinting applications.
摘要:
An activatable material and articles incorporating the same is disclosed. The activatable material includes an isocyanate and an isocyanate reactive compound. The isocyanate is typically blocked such that the activatable material is non-reactive at temperatures below about 100° C. The activatable material is preferably used for sealing, baffling, reinforcing, adhering, sound attenuation, sound damping or the like of an article of manufacture such as an automotive vehicle.
摘要:
Disclosed is a new class of TPUs with improved properties, based on poly(1,3-propanediol carbonate) diol, using 10 to 55% hard segment concentration, and cured with a diisocyanate. The composition provides a broader range of mechanical and thermal properties for TPU formulations, including improvements in hardness, higher elasticity modulus, and improved softening temperature and coefficient of thermal expansion, in addition to improved clarity.
摘要:
An article of manufacture for load bearing medical use such as a joint implant suitable for total joint replacement. The article comprises a polyurethane-containing component and is monolithic with respect to polyurethane-containing component(s). The joint for long term load applications is structurally an articulated joint and the polyurethane component provides a surface for articulation with the polyurethane.
摘要:
Cast polyurethanes are preferably formed from a hydrogenated polydiene diol having from up to 2 terminal hydroxyl groups per molecule and a number average molecular weight between 1000 and 20,000, an isocyanate having two or more isocyanate groups per molecule. This composition is then reacted with an amine curing agent at 80 to 130.degree. C. to form a cast elastomer with excellent hydrolytic stability. The amine curing agent must be a hindered aromatic amine crosslinker with low polarity and a solubility parameter of less than 10.5.
摘要:
An orthopedic casting material which is coated on a flexible material as a water-curable prepolymer resin wherein the resin is formed by the reaction of an isocyanate and a polyol where the polyol has a colorant premixed therein and an effective detackifying quantity of one or more hydrophilic bisurethanes is added thereto.