C08L39/00

SILICONE HYDROGELS COMPRISING HIGH LEVELS OF POLYAMIDES
20190315902 · 2019-10-17 ·

Described are silicone hydrogels with high levels of polyamides exhibiting an excellent balance of physical, mechanical, and biological properties. The silicone hydrogels are formed from a reactive monomer mixture comprising: a hydroxylalkyl (meth)acrylate monomer; hydroxyl-containing silicone components; and a polyamide, wherein the polyamide is present in an amount greater than 15 weight percent, based on the total weight of reactive components in the reactive monomer mixture.

Powdery water-soluble cationic polymer composition

The invention relates to powdery, water-soluble, cationic polymer composition comprising at least two different cationic polymers, namely a first cationic polymer and a second cationic polymer, which differ in chemical nature and molecular weight, as well to a method for producing such powdery, water-soluble, cationic polymer composition, and to its use for promoting flocculation in solid-liquid separation, for example as a retention aid in paper manufacture, and in sludge dewatering/wastewater purification.

Powdery water-soluble cationic polymer composition

The invention relates to powdery, water-soluble, cationic polymer composition comprising at least two different cationic polymers, namely a first cationic polymer and a second cationic polymer, which differ in chemical nature and molecular weight, as well to a method for producing such powdery, water-soluble, cationic polymer composition, and to its use for promoting flocculation in solid-liquid separation, for example as a retention aid in paper manufacture, and in sludge dewatering/wastewater purification.

RESIN COMPOSITION, LAMINATE, SEMICONDUCTOR WAFER WITH RESIN COMPOSITION LAYER, SUBSTRATE FOR MOUNTING SEMICONDUCTOR WITH RESIN COMPOSITION LAYER, AND SEMICONDUCTOR DEVICE

The present invention provides a resin composition containing a maleimide compound (A), and at least one selected from the group consisting of an organic compound (B) having an acidic site and an organic compound (C) having an acid anhydride site.

Oxazine compound, composition and cured product

The present invention provides an oxazine compound which contains a group having an aromatic ring structure and a plurality of specified carbon-carbon double bond structure so as to achieve an object. The present invention further provides a composition containing the oxazine compound of the present invention, a cured product containing the composition, and a laminate having the cured product layer. The present invention further still provides a composition for a heat-resistant material and a composition for an electronic material, which contain the composition containing the oxazine compound of the present invention so as to achieve an object.

Oxazine compound, composition and cured product

The present invention provides an oxazine compound which contains a group having an aromatic ring structure and a plurality of specified carbon-carbon double bond structure so as to achieve an object. The present invention further provides a composition containing the oxazine compound of the present invention, a cured product containing the composition, and a laminate having the cured product layer. The present invention further still provides a composition for a heat-resistant material and a composition for an electronic material, which contain the composition containing the oxazine compound of the present invention so as to achieve an object.

BIOMIMETIC COMPOSITE MATERIALS FOR VIBRATION ISOLATION
20190256369 · 2019-08-22 ·

The present disclosure provides a biomimetic composite that includes a plurality of nanostructures each having at least one axial geometry region comprising an inorganic material. The nanostructures may be a plurality of substantially aligned (e.g., in a vertical orientation) axial geometry nanowires comprising zinc oxide or alternatively hedgehog-shaped nanoparticles with needles comprising zinc oxide. A polymeric matrix disposed in void regions defined between respective nanostructures of the plurality of nanostructures. The biomimetic composite exhibits a viscoelastic figure of merit (VFOM) of greater than or equal to about 0.001 up to about 0.6 or greater. Methods of making such biomimetic composites are also provided.

BIOMIMETIC COMPOSITE MATERIALS FOR VIBRATION ISOLATION
20190256369 · 2019-08-22 ·

The present disclosure provides a biomimetic composite that includes a plurality of nanostructures each having at least one axial geometry region comprising an inorganic material. The nanostructures may be a plurality of substantially aligned (e.g., in a vertical orientation) axial geometry nanowires comprising zinc oxide or alternatively hedgehog-shaped nanoparticles with needles comprising zinc oxide. A polymeric matrix disposed in void regions defined between respective nanostructures of the plurality of nanostructures. The biomimetic composite exhibits a viscoelastic figure of merit (VFOM) of greater than or equal to about 0.001 up to about 0.6 or greater. Methods of making such biomimetic composites are also provided.

Silicone hydrogels comprising high levels of polyamides

Described are silicone hydrogels with high levels of polyamides exhibiting an excellent balance of physical, mechanical, and biological properties. The silicone hydrogels are formed from a reactive monomer mixture comprising: a hydroxylalkyl (meth)acrylate monomer; hydroxyl-containing silicone components; and a polyamide, wherein the polyamide is present in an amount greater than 15 weight percent, based on the total weight of reactive components in the reactive monomer mixture.

Bicarbazole compound, photo-curable composition, cured product thereof, curable composition for plastic lens, and plastic lens

A photopolymerizable material contains, as a main polymerization component, a bicarbazole compound represented by structural formula (1). ##STR00001## In structural formula (1), X.sup.1 and X.sup.2 are each independently a photopolymerizable functional group, a structural site having a photopolymerizable functional group, or a hydrogen atom, at least one of X.sup.1 and X.sup.2 is a photopolymerizable functional group or a structural site having a photopolymerizable functional group, R.sup.1 and R.sup.2 are each independently a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, a bromine atom, or a chlorine atom, and at least one of R.sup.1 and R.sup.2 is a hydrogen atom.