摘要:
A method for processing a thermoplastic material that comprises a microwave-sensitive polymeric region, wherein the method includes exposing the microwave-sensitive polymeric region to microwaves; wherein the exposing results in an increase in the temperature of the polymeric region; and processing the thermoplastic material is disclosed.
摘要:
The present invention relates to a method of preparation of a water based epoxy resin curing agent in dispersion form which is formed by combining an amine-functional dispersion (A) with an amine-functional curing agent (B). The invention also relates to the curing agent obtained from said method, its use for curing two component water based epoxy systems, compositions obtained from such curing and various uses of the compositions obtained.
摘要:
A constrained prosthetic knee having a modular hinge post and a rotating bearing. A cannulated hinge post is rotatably connected to the femoral component of the knee prosthesis so that a hinge post extension may be anteriorly positioned through the hinge post and into the tibial component of the knee prosthesis, after positioning of the femoral component in the femur and the tibial component in the tibia. The hinge post is preassembled to the femoral component so that such assembly is not required during the implantation procedure. A meniscal component forming the rotating bearing of the knee prosthesis is packaged together with the hinge post extension so that the appropriate hinge post extension is readily available. The meniscal component includes a mechanism for preventing lift off of the meniscal component from the tibial component, while allowing rotation of the meniscal component relative to the tibial component.
摘要:
An ink tank comprises a housing that defines a container for ink that is substantially free from a negative pressure producing material. In various embodiments, a non-porous capillary member is disposed in the container. The capillary member may be formed by part of the housing, for example, by a channel formed in a side wall of the housing. Alternatively, the capillary member may be a capillary tube. A wick may be situated at an outlet formed in the housing and may be held there by a retaining member, for example, a rib that extends from the housing. The housing may include a cover that allows the container to vent to atmosphere. The cover may include a vent hole that communicates with the container via a tortuous path. Part of the cover may comprise an air permeable material. The housing may also define a spillover area outside of the container.
摘要:
A die tip adapted for extruding a plurality of meltblown multicomponent filaments that includes at least two series of conduits that extend and converge in to the interior of the die tip to convey a multicomponent thermoplastic structure in to the interior of the die tip to a series of capillaries that extend to a series of die opening for extruding multicomponent filaments is provided.
摘要:
The present invention provides a meltblown die which has a considerable smaller width in the machine direction of the meltblowing process compared to conventional and commercially used meltblown dies. The meltblown die of the present invention has a. a die body; b. a die tip mounted to the die body; c. a first air plate mounted to the die body; and d. a second air plate mounted to the die body. In addition, the small size of the meltblown die of the present invention provides advantages over conventional meltblown die, including improved air entrainment.
摘要:
Disclosed herein is an apparatus for forming sheath-and-core fibers, the apparatus comprising a series of stacked distribution plates comprising channels arranged to convey first and second fluidized polymers separately and comprising a restriction zone for distributing the second fluidized polymer around the first polymer as a sheath. Also disclosed is a method for forming such sheath-and-core fibers. The apparatus and method are well suited to forming sheath-and-core fibers having very low percentage of sheath component.
摘要:
Methods, systems, and data stores generate and manage temporarily assigned identities. A requestor issues a request for a service. The request includes an identity used for authenticating the requestor. The identity is used for generating an identity configuration and for generating a temporarily assigned identity that is updated to a protected identity directory. The request and the temporarily assigned identity are transmitted to the service. The service uses the temporarily assigned identity to access the protected identity directory for purposes of authenticating the request. The service uses the authenticated request to access attributes associated with the temporarily assigned identity.
摘要:
The present invention provides benzylated triaminononane compounds, epoxy curing agent compositions comprising benzylated triaminononane compounds and methods of making such compositions. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed.
摘要:
The method begins with an oil which in one embodiment is cannabis crude oil derived from a cannabis plant. Oil is placed within a container having an open upper portion and with the oil preferably only filling up less than half of a volume of the container. The container and oil therein are placed within a vacuum oven where the oil is heated over time to a preselected temperature. A vacuum is then drawn on the oil while it is within the oven. Initial vacuum application is carefully applied to avoid the oil boiling over and out of the container. Vacuum residence time continues for a preselected duration, while gaseous terpenes are drawn from the oven toward the source of vacuum, such as a vacuum pump, by way of a cold trap/condenser. This cold trap is sufficiently cold that terpenes are condensed into a liquid form and collected therein.