Patent classifications
C08J3/244
EXPANDED RUBBER ARTICLES
Expanded rubber articles and processes for making such, comprising: partially curing an expandable rubber formulation by heating it in a first mould cavity to form a moulded blank; releasing the moulded blank from the first mould cavity and allowing the moulded blank to expand to form an expanded moulded blank; and further curing and expanding the expanded moulded blank by heating it to form the expanded rubber article comprising an expanded rubber part, wherein the expanded moulded blank is heated in a second mould cavity. Optionally, the expanded moulded blank is contacted with a further rubber formulation and a substrate comprising a base material and an elastomer bonding layer in the second mould cavity to form an expanded rubber article additionally comprising a solid rubber part and a substrate.
SURFACING MATERIALS AND METHOD OF MANUFACTURE
A surfacing material includes a substrate having a top side and a bottom side. A matte surface is formed on the bottom side thereof, wherein the matte surface of the surfacing material is a coating of an electron beam radiation curable material applied to the bottom side of the substrate. The coating is an epoxy acrylic or urethane acrylic laid upon the substrate. The epoxy acrylic or urethane acrylic is irradiated with UV-radiation to produce a UV-radiation layer wherein the epoxy acrylic or urethane acrylic is neither hardened nor is an entire layer of the epoxy acrylic or urethane acrylic crosslinked but rather the epoxy acrylic or urethane acrylic is only crosslinked on the surface thereof, which produces a matting surface through the effects of a micro-convolution.
PROCESS FOR PREPARING A CROSS-LINKED HYALURONIC ACID PRODUCT
Efficient cross-linking of hyaluronic acid (HA) is provided by a manufacturing process. In the process, HA is activated by an initial cross-linking in an aqueous solution. Unreacted cross-linking agent is removed from the activated HA. Cross-linking of the activated HA is finalized, without addition of any additional cross-linking agent, in a suspension of a liquid precipitating medium and the activated HA in precipitated form. The resulting cross-linked HA products exhibit high effective cross-linker ratio and other favorable properties, making the products useful as implants and in medical and cosmetic surgery.
PREPARATION, MEMBER FOR PREPARATION, AND METHODS FOR MANUFACTURING THESE
Objects of the present invention are to provide a preparation, which satisfies both a sufficient drug carrying amount and a preferred decomposition rate, and a method for manufacturing the preparation and to provide a member for a preparation used in the preparation of the present invention described above and a method for manufacturing the member. According to the present invention, there are provided a preparation containing a crosslinked substance of an anionic polypeptide and a cationic, polypeptide and a cationic drug; a method for manufacturing the preparation including a freezing step, a drying step, a crosslinking step, and a drug adding step; a member for a preparation formed of a crosslinked substance of an anionic polypeptide and a cationic polypeptide; and a method for manufacturing the member for a preparation.
GRADIENT CROSS-LINKED POLYMER WITH TRIGGERABLE DECOMPOSITION INTO BENIGN BYPRODUCTS AND METHODS OF USING THE SAME
An article comprising water-soluble polymer with a cross-link density gradient there through is provided along with methods of forming and using the same. Also provided is a method of recycling the article.
Expanded rubber articles
Expanded rubber articles (11) and processes for making such, comprising: partially curing an expandable rubber formulation (2) by heating it in a first mold cavity (1) to form a molded blank (3); releasing the molded blank (3) from the first mold cavity (1) and allowing the molded blank (5) to expand to form an expanded molded blank (4); and further curing and expanding the expanded molded blank (4) by heating it to form the expanded rubber article (11) comprising an expanded rubber part (6), wherein the expanded molded blank (4) is heated in a second mold cavity (5). Optionally, the expanded molded blank (4) is contacted with a further rubber formulation (7) and a substrate comprising a base material (9) and an elastomer bonding layer (8) in the second mold cavity (5) to form an expanded rubber article additionally comprising a solid rubber part (10) and a substrate (8, 9).
Dual-cure nanostructure transfer film
A transfer film includes a template layer having a first major surface and an opposing second major surface. The second major surface includes a structured non-planar release surface. A backfill layer is disposed upon and conforms to the non-planar structured surface. The backfill layer includes a first cross-linked polymer and a plurality of multifunctional monomers, which cure via different and independent curing mechanisms.
Process for preparing a cross-linked hyaluronic acid product
Efficient cross-linking of hyaluronic acid (HA) is provided by a manufacturing process. In the process, HA is activated by an initial cross-linking in an aqueous solution. Unreacted cross-linking agent is removed from the activated HA. Cross-linking of the activated HA is finalized, without addition of any additional cross-linking agent, in a suspension of a liquid precipitating medium and the activated HA in precipitated form. The resulting cross-linked HA products exhibit high effective cross-linker ratio and other favorable properties, making the products useful as implants and in medical and cosmetic surgery.
Use of a Thermosetting Polymeric Powder Composition
The present invention relates to the use of a thermosetting polymeric powder composition in a Selective Laser Sintering process to produce a 3D duroplast, wherein the composition comprises at least one curable polymeric binder material and wherein during each pass of the SLS process said polymeric binder material is at least partially cured within the layer thus formed and also at least partially crosslinked with the previous layer. The invention furthermore relates to a SLS process using such a thermosetting polymeric powder composition and a 3D-printing product obtained when using such a thermosetting polymeric powder composition.
LAMINATED FILM, OPTICAL ELEMENT, AND IMAGE DISPLAY
The present invention is intended to provide a laminated film including a void-provided layer achieving both a high proportion of void space and a high film strength. The laminated film of the present invention includes a void-provided layer 21 and a resin film 10, the void-provided layer 21 being stacked on the resin film 10. The laminated film is produced by a production method, including steps of forming a void-provided structure 20, which is a precursor of the void-provided layer 21 on the resin film; and causing a crosslinking reaction in the precursor 20 after the precursor forming step. The precursor 20 contains a substance that generates a basic substance by light irradiation or heating, the basic substance is not generated in the precursor forming step, the basic substance is generated by light irradiation or heating in the crosslinking reaction step, and the crosslinking reaction step has multiple stages.