Patent classifications
C08L2205/16
NOVEL BI-CONTINUOS EPOXY MICROSTRUCTURE FOR FABRICATION OF DEGRADABLE THERMOSET COMPOSITE USED IN HTHP DOWNHOLE CONDITIONS
The patent application discloses a degradable thermoset composite. The composite comprises a reaction product of an epoxy resin mixture, a cross-linker, a catalyst. The epoxy resin mixture may comprise at least one aromatic epoxy resins having a glass transition temperature greater than or equal to 150° C. The reaction product may have a glass transition temperature greater than or equal to 110° C. as measured by DSC or DMA.
Metal/resin composite structure and manufacturing method of metal/resin composite structure
A metal/resin composite structure includes: a metal member (M) having a fine uneven surface; and a polyamide-based resin member (A) bonded to the metal member (M), and the polyamide-based resin member (A) satisfies the following condition [A1] and condition [A2]: [A1] a glass transition temperature (Tg) observed by a differential scanning calorimeter (DSC) is equal to or higher than 85° C. and equal to or lower than 140° C.; and [A2] a crystallization temperature (Tc) observed by a differential scanning calorimeter (DSC) is equal to or higher than 250° C. and equal to or lower than 292° C.
COMPOSITE RESIN MOLDED ARTICLE
A composite resin molded article includes: a base resin; and fillers dispersed in the base resin, wherein the fillers include fibrous fillers and particulate fillers having aspect ratios lower than aspect ratios of the fibrous fillers.
Wet friction material with quaternary ammonium salts
A wet friction material includes a base including a matrix of fibers and filler particles embedded in the matrix of fibers; a binder embedded in an interior of the base; and a quaternary ammonium salt containing coating on an outer surface of the base. The quaternary ammonium salt containing coating can include a quaternary ammonium salt and a solution binder.
CELLULOSE FIBER FOAM WITH PAPER-LIKE SKIN AND COMPRESSION MOLDING PROCESS FOR ITS PREPARATION
Provided herein is a molded cellulose foam having a smooth, dense surface fiber layer and a low density, open-cell structure interior, a process for compression-molding fiber foam into such molded cellulose foam, articles prepared with such foam, and articles prepared by such process.
Coated fiber and method
A coated fiber for polymer reinforcement is disclosed. The coated fiber comprises a fiber and a coating disposed about said fiber. The fiber has a denier of from about 250 to about 3,000. The coating comprises a branched polyethylene imine. The fiber is present in the coated fiber in an amount of from about 80 to about 99.8 percent by weight and the coating is present in the coated fiber in an amount of from about 0.2 to about 20 percent by weight, with percent by weight based on the total weight of the coated fiber. A method of producing the coated fiber is also disclosed.
PELLETIZABLE FIBER BLENDS
Pelletizable fiber blends are provided, as well as pelletized fibers formed therefrom, and methods of preparing them. The pelletizable fiber blends include short fibers and a binder. The pelletized fiber blend is useful to prepare polymer composites and rubber compositions.
PELLETIZABLE FIBER BLENDS
Pelletizable fiber blends are provided, as well as pelletized fibers formed therefrom, and methods of preparing them. The pelletizable fiber blends include short fibers and a binder. The pelletized fiber blend is useful to prepare polymer composites and rubber compositions.
Rubber compound with high fiber loading useful in PDM stators
A rubber compound for use in a stator in a positive displacement motor. The rubber compound includes a fiber reinforcement, wherein fibers in the fiber reinforcement create a grain direction in which “with the grain” is generally orthogonal to “across the grain”. In some embodiments, the rubber compound has a first value for 25% tensile Modulus across the grain and a second value for 25% tensile Modulus with the grain, wherein the first value is at least 10% lower than the second value. In such embodiments, the fiber reinforcement may further include a fiber loading of greater than 5.0 phr of fibers. In such embodiments, the rubber compound may further have a 25% tensile Modulus of greater than 400 psi across the grain and a 50% tensile Modulus of greater than 700 psi across the grain.
FIBER REINFORCED THERMOPLASTIC COMPOSITE SHEET AND METHOD FOR PREPARING THE SAME
The present application relates to a fiber reinforced thermoplastic composite sheet and a method for preparing the same. The fiber reinforced thermoplastic composite sheet has on its surface a marble texture effect obtained by laminating cut pieces of a continuous fiber reinforced thermoplastic composite unidirectional tape, wherein the fibers and the resin used in the continuous fiber reinforced thermoplastic composite unidirectional tape have different colors. The thermoplastic composite sheet may be prepared using a simple and quick method, and meet individual requirements of surface appearance of the final product.