C08L2205/16

Rubber Composition and Friction Transmission Belt
20220348753 · 2022-11-03 · ·

A rubber composition includes an elastomer component, a polyvinyl pyrrolidone-based resin, and a non-water-absorbent short fiber, and includes substantially no water-absorbent fiber. The elastomer component may include an ethylene-α-olefin elastomer. The polyvinyl pyrrolidone-based resin may have a K value of 10 to 100. The non-water-absorbent short fiber may include an aliphatic polyamide short fiber.

RF HEAT DISSIPATION PLASTIC, METHOD FOR MANUFACTURING RF HEAT DISSIPATION PLASTIC, AND REPEATER CABINET USING SAME
20220348813 · 2022-11-03 · ·

An RF heat dissipation plastic including a polymer matrix comprising a polymer resin; and a first filler that is dispersed in the polymer matrix, and includes a high-strength filler, which is a polymer containing at least one hydroxy group in the repeating unit thereof, and an inorganic coating layer formed on at least a part of the surface of the high-strength filler. Therefore, the RF heat dissipation plastic has a low dielectric constant and excellent mechanical strength are simultaneously exhibited.

Homogeneous fiber product based on bio-oil and/or water and method for their production
20220340736 · 2022-10-27 ·

The present invention relates to typically homogeneous gel-like cellulose-based fiber products which do not contain hemicellulose but may nevertheless contain lignin. The invention relates also to a method for the production of such fibrous products, in which microcrystalline cellulose (MCC) is mixed into oil or water to form a fiber mixture, and is degraded into homogeneous form by mechanical treatment.

COMPOSITION, FILM OR COATINGH COMPRISING MICROFIBRILLATED CELLULOSE AND EXTRACTIVE FROM WOOD BARK OR CORK WOOD

The present invention is directed to a film or coating comprising a fiber material, wherein at least 60% by weight of said fiber material is microfibrillated cellulose, said film or coating also comprising at least 1% by weight of extractives from wood bark or cork wood. The invention is also directed to products, such as packaging materials, using or incorporating said film or coating. Such packaging materials are for example laminates or multi-layer structures. The films or coatings according to the present invention having advantageous barrier properties and are therefore particularly suitable for sensitive objects that need to be packaged in a controlled or modified atmosphere. The present invention is also directed to a composition comprising a fiber material, wherein at least 60% by weight of said fiber material is microfibrillated cellulose, said composition also comprising at least 1% by weight of extractives from wood bark or cork wood. The composition is useful for example in the preparation of the film or coating.

Dried cellulose fibers, cellulose fiber-resin composite, and molded article

Provided are dried cellulose fibers that are satisfactory dispersible in a resin when the cellulose fibers are mixed with the resin and can improve physical properties such as tensile elastic modulus and tensile strength of a resin composite, a cellulose fiber-resin composite including the cellulose fibers, and a molded article. The dried cellulose fibers include cellulose fibers, the cellulose fiber-resin composite includes the dried cellulose fibers, and the molded article is formed from the cellulose fiber-resin composite. The cellulose fibers have an average fiber diameter of 0.1 μm more and 20 μm or less and have a hemicellulose content of 50% or less in constituent sugar components. The dried cellulose fibers have a water content of 10% by mass or less.

PU COMPOSITE RESINS
20220332945 · 2022-10-20 ·

Disclosed herein is a fiber composite material including: (a) a polyurethane obtained reaction of at least the components: (i) a polyisocyanate composition; and (ii) a polyol composition including at least 15% by weight of an at least trifunctional alcohol (ii.1), which exhibits at least two primary hydroxyl groups (ii.1); and (b) fibers which are at least partially embedded in the compact polyurethane.

Further disclosed herein are a process for producing a fiber composite material, a fiber composite material obtained by this process, and a method of using the fiber composite material for producing a pipe, in particular a conical pipe, a pipe connector, a pressure vessel, a storage tank, an insulator, a mast, a bar, a roller, a torsion shaft, a profile, a piece of sports equipment, a molded part, a cover, an automotive exterior part, a rope, a cable, an isogrid structure or a semi-finished textile product.

3D-FORMABLE SHEET MATERIAL

The present invention relates to a 3D-formable sheet material, a process for the preparation of a 3D-formed article, the use of a cellulose material and at least one particulate inorganic filler material for the preparation of a 3D-formable sheet material and for increasing the stretchability of a 3D-formable sheet material, the use of a 3D-formable sheet material in 3D-forming processes as well as a 3D-formed article comprising the 3D-formable sheet material according.

BIODEGRADABLE PLASTIC COMPOSITE CONTAINING FIBERS
20230125125 · 2023-04-27 · ·

A biodegradable composite may include a biodegradable plastic polymer having a biodegradability of from about 80 percent (%) to about 95% when measured according to a biodegradability test in accordance with an ASTM D6400-19 standard and a bio-derived fiber. A polymeric matrix of the biodegradable plastic polymer may have a tensile strength of from about 30 MPa to about 45 MPa and an elastic modulus of from about 2600 MPa to about 3600 MPa. The bio-derived fiber may have a tensile strength greater than the tensile strength of the polymeric matrix of the biodegradable plastic polymer and an elastic modulus greater than the elastic modulus of the polymeric matrix.

Resin composition and biological model

[Problem] To provide a softer resin material that can be highly filled with an oil and that has almost no seepage (bleed-out) of oil. Additionally, to provide a biological model that is easy to handle and that has a softness and mechanical properties closer to those of organs and a texture close to that of organs. [Solution] A resin composition containing 100 parts by mass of component (A), a hydrogenated block copolymer having an MFR (measured at a temperature of 230° C. and with a load of 2.16 kg) of 1 g/10 min or less; more than 1000 parts by mass and at most 2000 parts by mass of component (B), an oil; and at least 10 parts by mass and at most 120 parts by mass of component (C), a polyolefin resin having a specific surface area of 0.01 to 30 m.sup.2/g.

Fibrous cellulose, method for manufacturing same, and resin composition
11634509 · 2023-04-25 · ·

A fibrous cellulose having an excellent resin reinforcing effect, a method for manufacturing the fibrous cellulose, and a resin composition having high strength. The fibrous cellulose is microfiber cellulose having an average fiber diameter of 1 μm or more, and is hydrophobically modified. The method for manufacturing fibrous cellulose includes defibrating raw material fiber to obtain microfiber cellulose with an average fiber diameter of 1 μm or more, and hydrophobically modifying the microfiber cellulose. Further, the resin composition contains the fibrous cellulose and resin.