Patent classifications
B29C39/00
COMPOSITION TO IMPROVE PERFORMANCE OF SPORTS EQUIPMENT, INCLUDING RECREATIONAL SPORTS EQUIPMENT, AND METHOD OF MANUFACTURING SAME
A wax composition that improves at least one of traction or a grip of sporting equipment comprises: 1-98 wt. % of a primary wax component, wherein the primary wax component is not derived from petroleum, is not synthetic, is not derived from a mineral, is not derived from an animal, and is not derived from an annual plant; 1-40 wt. % of a softening agent; and at least one of a) above 0-40 wt. % of a tackifier or b) above 0-70 wt. % of a filler.
Method of fabricating microneedle patches
In the preferred embodiment, a method of making microneedles comprises i) providing a microneedle template (300) having a plurality of microneedles cavities (360) on one surface, ii) preparing a casting solution (320) comprising at least one matrix material and its solvent, iii) subjecting said microneedle template (300) to a vacuum pressure for a length of time to deprive it of air, iv) dispensing the casting solution (320) over the air-deprived microneedle template, v) allowing the casting solution (320) to be drawn into the air-deprived microneedle cavities (360) completely, and vi) allowing the dissolving microneedles to solidify or dry in a controlled environment.
Polyurethane article and methods of making the same
Articles are provided including at least one polyurethane prepared from: (a) about 1 equivalent of at least one polyisocyanate; (b) about 0.005 to about 0.35 equivalent of at least one polycaprolactone polyol; (c) about 0.01 to about 1.0 equivalent of at least one polyol selected from the group consisting of ethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,2-ethanediol, propanediol, butanediol, pentanediol, hexanediol, heptanediol, octanediol, nonanediol, decanediol, dodecane diol, octadecanediol, cyclopentanediol, 1,4-cyclohexanediol, cyclohexanedimethanol, 1,4-benzenedimethanol, xylene glycol, hydroxybenzyl alcohol, dihydroxytoluene, bis(2-hydroxyethyl) terephthalate, 1,4-bis(hydroxyethyl)piperazine, N,N′,bis(2-hydroxyethyl)oxamide and mixtures thereof; and (d) about 0.01 to about 0.5 equivalent of at least one polyol selected from the group consisting of glycerol, tetramethylolmethane, trimethylolethane, trimethylolpropane, erythritol, pentaerythritol, dipentaerythritol, tripentaerythritol, sorbitan, and mixtures thereof, each based upon the about 1 equivalent of the at least one polyisocyanate, wherein the article has a Gardner Impact strength of at least about 400 in-lb according to ASTM D-5420-04.
MANUFACTURING METHOD OF PROTECTIVE-COMPONENT-PROVIDED WORKPIECE
There is provided a manufacturing method of a protective-component-provided workpiece. The manufacturing method of a protective-component-provided workpiece includes a step of dissolving a thermoplastic resin whose solubility parameter is equal to or higher than 8.5, in a liquid ultraviolet-curable resin, to prepare a liquid mixed resin, a step of supplying the mixed resin to a support surface of a support table to form a resin layer with a predetermined thickness, a step of irradiating the resin layer with ultraviolet rays and curing the resin layer to form a protective component with a sheet shape, and a step of heating the sheet-shaped protective component before or after one surface of the sheet-shaped protective component and one surface of the workpiece are brought into close contact with each other, and causing the sheet-shaped protective component to come into close contact with the workpiece and integrate with the workpiece.
Peroxide treated metallocene-based polyolefins with improved melt strength
Disclosed herein are ethylene-based polymers having low densities and narrow molecular weight distributions, but high melt strengths for blown film processing. Such polymers can be produced by peroxide-treating a metallocene-catalyzed resin.
USES OF MICROBIAL DERIVED MATERIALS IN THERMOSET APPLICATIONS
This disclosure provides methods for the chemical modification of microbial derived triglyceride oils, use thereof in polyurethane chemistries, and incorporation thereof in the production of sporting goods equipment, including, for example, alpine skis, touring skis, cross country skis, approach skis, split boards, snowboards, surfboards, paddleboards, and water skis.
POLYAMIDE-IMIDE-BASED FILM, PREPARATION METHOD THEREOF, AND COVER WINDOW AND DISPLAY DEVICE COMPRISING THE SAME
The embodiments provide a polyamide-imide-based film, which comprises a polyamide-imide-based polymer, wherein when the coefficients of thermal expansion in the MD direction and TD direction of the film are measured at an interval of 5° C. in a temperature range of 300° C. to 365° C., respectively, the temperature at which the coefficient of thermal expansion in the MD direction or the coefficient of thermal expansion in the TD direction changes from a positive value to a negative value is 330° C. to 345° C., a process for preparing the same, and a cover window and a display device comprising the same.
Dual-curing isocyanurate polymers
The present invention relates to polymerizable compositions which contain components that can be crosslinked both via isocyanurate bonds and by a radical reaction mechanism. The invention further relates to methods by way of which polymers can be produced from said compositions.
Polyurethane protective film
A protective film that can be included in multi-layer film laminates for use in marketing, advertising campaigns, particularly outdoor or other environment impacted promotions and safety applications. The film includes at least two different polyurethane polymers and is free or substantially free of polyvinyl chloride based polymer. One polyurethane has an ultimate elongation less than 200%, and another polyurethane has an ultimate elongation more than 400%. The film may be transparent, translucent, clear or have other desirable optical properties.
TRANSPARENT POLYAMIDES WITH GOOD WEATHERING RESISTANCE
The invention relates to a polyamide molding composition with good weathering resistance containing or preferably consisting of the following components: 85 to 99.85% by weight of a component A, where component A consists of polyamide A1 or of a mixture of the polyamides A1 and A2, where A1 is at least one amorphous or microcrystalline polyamide having more than 60 mol % of monomers having exclusively aliphatic structural units, based on the total amount of monomers, and A2 is at least one acyclic aliphatic polyamide, and where the sum of components A1 and A2 gives 100% by weight of component A; 0.05 to 2.0% by weight of at least one colorant B; 0.10 to 3.0% by weight of at least one stabilizer C; 0 to 10% by weight of additives D, other than A, B and C; the proportions by weight of components A to D summing to 100% by weight, wherein the polyamide molding composition comprises neither carbon black nor nigrosine, the color lightness L*, determined according to DIN EN ISO 11664-4:2020 in the CIELAB color space on a plate of the dimension 60×60×2 mm, being at most 32, and the polyamides A1 having a transparency of at least 88% and a haze of at most 5%, in each case determined according to ASTM- D1003-21 on a plate of the dimension 60×60×2 mm.