Patent classifications
C08J7/08
PIEZOELECTRIC BODY FILM, PIEZOELECTRIC BODY FILM PRODUCTION METHOD, AND PIEZOELECTRIC BODY DEVICE
To provide a piezoelectric body film that can suppress decrease in the piezoelectric constant d31, a method of producing a piezoelectric body film, and a piezoelectric body device. A piezoelectric body film comprising a fluororesin as a piezoelectric material, the fluororesin containing, as a main constituent unit, a repeating unit derived from vinylidene fluoride, a piezoelectric constant d31 of the piezoelectric body film being 20 pC/N or greater, and an extrapolated onset temperature at start of shrinkage determined by TMA measurement being not lower than 90° C. and not higher than 115° C. The difference between piezoelectric constants d31 measured before and after heating the piezoelectric body film at 100° C. for 24 hours relative to the piezoelectric constant d31 before the heating for 24 hours is 20% or less.
PRODUCTION METHOD OF OPTICAL FILM
The present application relates to an optical film and a method for producing a polarizing plate. The present application can provide an optical film satisfying optical and mechanical durability required in a polarizing plate effectively and capable of forming a polarizing plate without causing bending when applied to a display device, and a method for producing a polarizing plate to which the optical film is applied. The present application can provide an optical film capable of realizing the required optical and mechanical durability without causing bending even in a polarizing plate applied to a thin display device and/or a thin polarizing plate, and a method for producing a polarizing plate to which the optical film is applied.
MOLDED ARTICLE AND PRODUCTION METHOD OF THE SAME
There is provided a molded article containing an amorphous resin, wherein a peak position change rate r (%) of the molded article defined by Equation: Peak position change rate r (%)=100×(Q1−Q2)/Q2 is 1 or more. In the equation, Q1 and Q2 are peak positions (nm.sup.−1) of the molded article and a predetermined reference molded article, respectively, the peak position being determined by a wide angle X-ray diffraction method. The peak position is a peak derived from the amorphous resin in a scattering vector magnitude Q-intensity profile calculated from a diffraction image obtained by a transmission method and measured by the wide angle X-ray diffraction method and obtained after background correction and transmittance correction, and the peak position is a value of Q at a peak at which Q is the smallest among peaks at which Q is in a range of 5 nm.sup.−1 to 25 nm.sup.−1.
Graphene-enabled Block Copolymer Lithography Transfer to Arbitrary Surfaces
A layer of nanopatterned phase separated block copolymers on an arbitrary surface comprising a first arbitrary substrate absent of chemical preparation, a layer of graphene on the first arbitrary substrate, and a layer of phase-separated block copolymers on the layer of graphene, wherein the layer of phase-separated block copolymers on the layer of graphene was formed on a second substrate and delaminated via water liftoff and wherein the nanopatterned phase separated block copolymers are utilized as a shadow mask for lithography on the first arbitrary substrate.
Functional colloidal lignin particles and methods of preparation thereof
Method of forming functionalized colloidal lignin particles, comprising the step of providing lignin in a dissolved form, aldehyde functionalizing lignin, forming a colloidal dispersion of lignin, partially removing organic solvents and heat-curing the dispersion. The concentrated colloidal dispersion is dried by spray drying. The invention can be used in applications where the functioned and colloidal nature of lignin will afford an advantage over bulk lignin.
LAYERED BODY INCLUDING INORGANIC SUBSTRATE AND POLYAMIC ACID CURED PRODUCT
Provided is a layered body including glass and a polyamic acid heat-cured product that is readily releasable from an inorganic substrate after being heated at 250° C. A layered body including an inorganic substrate and a polyamic acid heat-cured product, the layered body being characterized by a weight average molecular weight of 30,000 or greater for the polyamic acid, and a peel strength of 0.3 N/cm or weaker between the polyamic acid heat-cured product layer and the inorganic substrate, after the layered body has been heated at 250° C.
Gas barrier polymer and gas barrier laminate using same
A gas barrier polymer is formed by heat-curing a mixture including polycarboxylic acid and a polyamine compound, in which, in an infrared absorption spectrum, when a straight line connecting a measurement point at 1493 cm.sup.−1 and a measurement point at 1780 cm.sup.−1 is set as a baseline, an absorption intensity at 1660 cm.sup.−1 is set as I(1660), and an absorption intensity at 1625 cm.sup.−1 is set as I(1625), R represented by Equation (1) is greater than 1.
R=I(1660)/I(1625)−{−0.65×(total amine/COOH)+0.4225} (1)
HEAT SHRINKABLE FILMS, AND METHOD OF MANUFACTURING THE SAME
The present invention relates to a heat shrinkable film having a shrink onset temperature of 60° C. or lower and a shrink tension of 6 N/mm.sup.2 or lower. The film comprises a copolyester and/or copolyester blend derived from components including a terephthalic acid or an ester thereof; ethylene glycol (EG); 2-methyl-1,3-propanediol (MPO); diethylene glycol (DEG); and one or both of 2-dimethylpropane-1,3-diol (NPG) and 1,4-cyclohexanedimethanol (CHDM).
Graphene-enabled block copolymer lithography transfer to arbitrary surfaces
A method of graphene-enabled block copolymer lithography transfer to an arbitrary substrate comprising the steps of applying graphene on a surface, adding block copolymers to the graphene on the surface, phase-separating the block copolymers, forming nanopatterned phase separated block copolymers, delaminating the graphene, and transferring the graphene and nanopatterned phase separated block copolymers to a second surface. A layer of nanopatterned phase separated block copolymers on an arbitrary surface comprising a first arbitrary substrate absent of chemical preparation, a layer of graphene on the first arbitrary substrate, and a layer of phase-separated block copolymers on the layer of graphene, wherein the layer of phase-separated block copolymers on the layer of graphene was formed on a second substrate and delaminated via water liftoff and wherein the nanopatterned phase separated block copolymers are utilized as a shadow mask for lithography on the first arbitrary substrate.
METHOD OF MAKING A HOMOGENEOUS MIXTURE OF POLYOLEFIN SOLIDS AND LIQUID ADDITIVE
A method of making a homogeneous mixture of polyolefin solids and liquid additive without melting the polyolefin solids during the making The method comprises applying acoustic energy at a frequency of from 20 to 100 hertz to a heterogeneous mixture comprising the polyolefin solids and the liquid additive for a period of time sufficient to substantially intermix the polyolefin solids and the liquid additive together and while maintaining temperature of the heterogeneous mixture above the freezing point of the at least one liquid additive and below the melting temperature of the polyolefin solids, thereby making the homogeneous mixture without melting the polyolefin solids.