B29K2995/0089

POLYPROPYLENE COMPOSITE RESIN COMPOSITION INCLUDING SILYATED MICROFIBRILLATED CELLULOSE AND VEHICLE PILLAR TRIM USING THE SAME

The present invention relates to a cellulose-containing polypropylene composite resin which is environmentally friendly, and can reduce emission of carbon dioxide and contribute to improvement in fuel efficiency, based on reduced vehicle weight, and a vehicle thin film pillar trim including the same.

EPOXY / REINFORCING POLYMER COMPOSITE MATERIAL AND ITS METHOD OF PREPARATION
20190169423 · 2019-06-06 ·

The present invention relates to the technical field of composite materials comprising a thermosetting polymer matrix in which thermoplastic polymer and/or elastomer particles are dispersed. More precisely, the invention relates to a novel type of polymeric material obtained by using a particular ionic liquid as cross-linking agent for an epoxy resin mixed with a thermoplastic polymer and/or an elastomer.

The invention also relates to a process for manufacturing said composite material and uses thereof, notably in the aeronautical, aerospace, automotive, maritime, wind power, electronics, or sports and leisure sectors.

DEFORMABLE AUXETIC STRUCTURE AND MANUFACTURING PROCESS

A deformable auxetic structure for absorbing energy of an impact that comprises a plurality of interconnected adjoining tridimensional auxetic cells where each tridimensional auxetic cell comprises at least one surface element and a plurality of legs extending from the surface, the plurality of legs and the surface element being configured such that the sectional cut of the structure in at least two planes perpendicular to the surface element follows an auxetic pattern.

POTASSIUM STEARATE OR BETA NUCLEATOR FOR MODIFICATION OF HETEROPHASIC POLYPROPYLENE BLOWN FILMS OR SHEETS
20240198576 · 2024-06-20 ·

A blown polypropylene film or sheet is disclosed. The film or sheet can include at least 95 wt. % of a polypropylene, and at least one ?-nucleating agent or crystallization inhibitor, where the polypropylene blown film or sheet has a thickness of 0.5 mils to 15 mils, and where the polypropylene blown film has an increased dart impact strength, as measure by ASTM D1709, when compared with a second polypropylene blown film or sheet that has the same components in the same wt. % amounts as the polypropylene blown film or sheet except that the second polypropylene blown film or sheet does not include the at least one ?-nucleating agent or crystallization inhibitor.

BREATHABLE FILMS HAVING INCREASED HYDROSTATIC HEAD PRESSURE
20240217204 · 2024-07-04 ·

Microporous films comprising a polymeric composition and a filler, wherein the film has an average water vapor transmission rate of at least about 16.000 grams H2O/24-hour/m.sup.2, a hydrostatic head pressure of at least about 300 mbar, and a basis weight of from about 5 gsm to about 50 gsm.

UV curable composition for use in 3D printing

The present invention relates to photocurable compositions, comprising (A1) a N-vinyloxazolidinone of formula (I), wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently of each other a hydrogen atom or an organic group having not more than 10 carbon atoms, (A2) optionally one, or more second reactive diluents, (B) one, or more oligomers, and (C) a photoinitiator (C), wherein the amount of component (A1) is 5 to 70% by weight based on the amount of components (A1), (A2) and (B), wherein the viscosity of said photocurable composition is in the range 10 to 3000 mPa.Math.s, preferably 10 to 1500 mPa.Math.s at 30? C. The compositions, from which cured three-dimensional shaped articles having balanced mechanical properties combining stiffness with high toughness can be made, are particularly suitable for the production of three-dimensional articles by stereolithography and photopolymer jetting. ##STR00001##

Biaxially oriented polyamide film and polyamide film mill roll
11999094 · 2024-06-04 · ·

To provide a gas barrier biaxially oriented polyamide film and a polyamide film mill roll, even as a product that is close to an end of a mill roll, having favorable mechanical characteristics, thermal characteristics, and few S-shape curling due to moisture absorption after being made into a bag. A biaxially oriented polyamide film having at least one layer formed of a polyamide resin containing not lower than 60% by mass of poly(m-xylylene adipamide), wherein a molecular orientation angle of the film is not smaller than 20?, a strain at moisture absorption of the film is not higher than 1.3%, an impact strength of the film is not lower than 0.7 J/15 ?m, and a heat shrinkage rate, after heating for ten minutes at 160? C., of the film is 0.6 to 3.0% in both an MD direction and a TD direction.

MATERIAL SHEET AND PROCESS FOR ITS PREPARATION

A material sheet is formed of a woven fabric of polymer tapes, wherein the width of a tape varies less than 2% on average in the longitudinal direction of the tape. Processes for the preparation of the material sheet, and to a ballistic resistant article comprising the material sheet are also provided. A ballistic resistant article which includes the material sheet exhibits excellent antiballistic properties.

Transfer sheet, decorative sheet, and decorative article

A transfer sheet includes, on a base sheet, at least a release layer containing particles and having a surface roughness Ra of 0.15 to 1.0 m, a protective layer containing an ionizing radiation-curable urethane resin and having a Martens hardness of 2.0 to 40.0 N/mm.sup.2, and the adhesive layer containing an acrylic resin, that are laminated in this order. A decorative sheet is formed by transferring the transfer sheet on a support sheet. A decorative article is a resin molded article decorated by using the transfer sheet or the decorative sheet.

Multidirectional fiber-reinforced tape/film articles and the method of making the same

High tenacity, high elongation multi-filament polymeric tapes as well as ballistic resistant fabrics, composites and articles made therefrom. The tapes are fabricated from multi-filament fibers/yarns that are twisted together, bonded together, compressed and flattened.