Patent classifications
C08J2300/24
METHOD FOR PRODUCING MODIFIED CELLULOSE
The present invention is a method for producing a modified cellulose including the following step A: step A: introducing a cellulose raw material with a substituent having 6 or more carbon atoms to a group in which a hydrogen atom is removed from a hydroxyl group of a cellulose backbone, in the presence of water and a surfactant. The present invention relates to a method for producing a modified cellulose having a high affinity of an organic solvent, a resin or the like, and a hydrophobic medium, using a reaction system with low environmental loads and with prospects of reduction in production costs.
Process to manufacture carbon fiber intermediate products in-line with carbon fiber production
A process of preparing carbon fiber reinforced polymer (CFRP) intermediate products is described wherein the carbon fibers are prepared from a carbon fiber precursor and then in-line impregnated with a polymeric resin as part of a continuous process. The process can provide cost savings compared to processes wherein carbon fibers are prepared and then impregnated with polymeric resins in a separate process, thereby making the use of CFRP materials more economically feasible. Also described is a system for preparing carbon fiber from a carbon fiber precursor and impregnating the carbon fiber with polymeric resin to provide CFRP intermediate products, such as continuous tapes or rods or discontinuous flakes or pellets.
3D Printable Polymeric Lightning Strike Protection System for Fiber Reinforced Composites
The current embodiments include all-polymeric protective material for mitigating lightning strike damage. The protective material includes a hybrid matrix comprising PANI and MXene dispersed within a thermosetting epoxy resin. This hybrid matrix can be painted, printed, or applied as a conductive polymeric layer to a FRCP structure, for example an aircraft fuselage, wing, empennage, control surface (aileron, flap, slats, rudder, elevator) or a wind turbine blade. The protective material not only withstands lightning strikes, but also functions as shielding against electromagnetic interference and is corrosion-resistant and lightweight.
Blowing Agent Composition of Hydrochlorofluoroolefin
A blowing agent for thermosetting foams is disclosed. The blowing agent is predominately the trans isomer of the hydrochlorofluoroolefin (HCFO) HFCO-1233zd alone or in combination with a hydrofluoroolefin (HFO), hydrofluorocarbon (HFC), hydrochlorofluoroolefin (HCFO), a hydrocarbon. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams.
Decorative sheets
A decorative sheet includes a primary film layer; a transparent resin layer; and a surface protective layer, in this order; the surface protective layer is formed of a plurality of layers with a layer located on an outermost surface is a surface protective layer, and a layer underlying the surface protective layer is a second surface protective layer and includes one or more ionizing radiation-curable resins having an erosion rate E in a range of 0.10 μm/g or more and 0.45 μm/g or less, and one or more thermosetting resins having an erosion rate E in a range of 0.30 μm/g or more and 0.6 μm/g or less, the erosion rate E being measured by using polygonal alumina powder having an average particle size (D50) of 1.2 μm, and a mass ratio between the ionizing radiation-curable resin and the thermosetting resin (ionizing radiation-curable resin/thermosetting resin) is 95/5 to 40/60.
INSTRINSICALLY ANTIMICROBIAL POROSIC MATRIX COMPOSITES AND METHOD OF MANUFACTURE THEREOF
A method of manufacturing a flexible intrinsically antimicrobial absorbent porosic composite controlling for an effective pore size using removable pore-forming substances and physically incorporated, non-leaching antimicrobials. A flexible intrinsically antimicrobial absorbent porosic composite controlled for an effective pore size composited physically incorporated, high-surface area, non-leaching antimicrobials, optionally in which the physically incorporated non-leaching antimicrobial exposes nanopillars on its surface to enhance antimicrobial activity. A kit that enhances the effectiveness of the intrinsically antimicrobial absorbent porosic composite by storing the composite within an antimicrobial container.
Thermoset porous composites and methods thereof
There is provided herein thermoset porous polymer composites a methods for producing such composites. The method comprises: preparing a mixture comprising a resin, optionally a curing agent, and dry ice; optionally casting the mixture; curing the mixture to obtain the porous composite; and optionally controlling at least one of a reaction rate and an expansion rate of the mixture during the curing.
Method for degradating thermosetting resin, catalyst composition used therein and resin composition obtained thereby
A degradation method of thermosetting resin is provided. The method includes the following steps, for example, a first resin composition is provided. The resin in the first resin composition includes a carbon-nitrogen bond, an ether bond, an ester bond or a combination thereof. The first resin composition and a catalyst composition are mixed to perform a degradation reaction to form a second resin composition. The catalyst composition includes a transition metal compound and a group IIIA metal compound. The second resin composition includes a resin monomer or an oligomer thereof having functional groups. The functional group includes an amine group, a hydroxyl group, an ester group, an acid group or a combination thereof. A catalyst composition used in the degradation method and a resin composition obtained by the degradation method are also provided.
Composition and method for manufacturing cured resins
Certain embodiments of the invention described herein comprise a composition of matter, and method for preparing the same, which provide the benefits of pre-reaction molecular configuration favoring high liquidity properties, and post-reaction configuration that favors mechanical strength, stiffness, and properties associated with high viscous and/or solid-state materials. In some embodiments, the composition of matter can comprise relaxing photo-isomerizable fragments, of which a fraction can be transformed from trans to cis configurations upon exposure to a photon source. In some embodiments, the composition of matter further comprises thermally reactive fragments, of which can enable thermal solidification of a mixture upon exposure to elevated temperatures. In some embodiments, a composition of matter can be combined with reinforcing additives to form a prepreg combination.
USE OF AN ADDITIVE COMPOSITION FOR THE CONTROLLED ACCELERATED DECOMPOSITION OF CONDENSATION POLYMERS
The invention relates to the use of a mixture consisting of at least one aliphatic or cycloaliphatic polyol, in particular one adlitol or cyclitol, and at least one organic phosphorus compound under protic conditions as an additive (hydrolysis catalyst) that catalyzes the hydrolysis of condensation polymers. The invention also relates to a condensation polymer composition which contains at least one aliphatic or cycloaliphatic polyol, in particular one adlitol and/or cyclitol, at least one organic phosphorus compound and at least one condensation polymer and is free of a compound according to formula IV, as said compound is defined below. Another aspect of the invention is a molding compound or a molded part that can be produced from the condensation polymer composition according to the invention. Finally, the invention is directed to a method for producing the condensation polymer composition.