Patent classifications
C08F222/1063
ACRYLIC RUBBER, CROSSLINKABLE RUBBER COMPOSITION, AND RUBBER CURED PRODUCT
An acrylic rubber containing: an alkyl acrylate unit; a crosslinking monomer unit; a unit of a bifunctional monomer represented by the following formula (A-1):
##STR00001##
wherein n represents 1 to 9, R.sup.1 represents a hydrogen atom or a methyl group, and R.sup.2 represents an alkanediyl group having 2 to 4 carbon atoms; and an ethylene unit, wherein the acrylic rubber has a toluene insoluble content of 4 to 40% by mass.
ARTICLE AND METHOD OF MAKING ARTICLE
An article includes a polymer. The polymer includes a product of a crosslinking reaction including at least one cross-linker selected from the group consisting of: a) di-acrylates, tri-acrylates, and tetra-acrylates; b) modified tri-acrylates and tetra-acrylates; c) silanes and siloxanes; and d) triazinane-triones.
ARTICLE AND METHOD OF MAKING ARTICLE
An article includes a polymer. The polymer includes a product of a crosslinking reaction including at least one cross-linker selected from the group consisting of: a) di-acrylates, tri-acrylates, and tetra-acrylates; b) modified tri-acrylates and tetra-acrylates; c) silanes and siloxanes; and d) triazinane-triones.
Microparticle Enabled Delivery Structures, Methods of Preparing and Using Same
The disclosed subject matter relates to the delivery of hydroxyl-containing compounds as microparticles for a variety of pharmaceutical, biomedical, cosmetics and personal care applications. This entails the manufacture and use of polymerized hydro-X compounds. Note is made of hydro-X compounds selected from the group consisting of curcuminoids, stilbenoids, resolvins, phenylethanoids, tocopherols, tocotrienols, flavanones, flavones, prenylflavonoids, isoflavones, isoflavanes, dihydrochalcones, isoflavenes, coumestans, lignans, flavonoligans, flavonols, mycoestrogens, xenoestrogens, phytoestrogens, sterols, corticosteroids, androgens, estrogens, stanols, steroids, secosteroids, tannins, statins, catechols, catechins, opioids, cannabinoids, pleuromutilins, luteolinidin, anthocyanidins, apigeninidin, glycosylated compounds, and macrolides.
RESIN COMPOSITION, CURED PRODUCT, PREPREG, METAL FOIL-CLAD LAMINATE, RESIN SHEET, AND PRINTED WIRING BOARD
Provided is a resin composition having excellent low water absorption, as well as a cured product, a prepreg, a metal foil-clad laminate, a resin sheet, and a printed wiring board. The resin composition contains a compound (A) represented by Formula (M1) and a compound (B) containing two or more unsaturated carbon-carbon double bonds, and in Formula (M1), A is a four- to six-membered alicyclic group:
##STR00001##
RESIN COMPOSITION, CURED PRODUCT, PREPREG, METAL FOIL-CLAD LAMINATE, RESIN SHEET, AND PRINTED WIRING BOARD
Provided is a resin composition having excellent low water absorption, as well as a cured product, a prepreg, a metal foil-clad laminate, a resin sheet, and a printed wiring board. The resin composition contains a compound (A) represented by Formula (M1) and a compound (B) containing two or more unsaturated carbon-carbon double bonds, and in Formula (M1), A is a four- to six-membered alicyclic group:
##STR00001##
Method for preparing super absorbent polymer
A method for preparing a super absorbent polymer and a superabsorbent polymer prepared from the same are disclosed herein. In some embodiments, a method includes mixing super absorbent polymer particles, water and an additive form a hydrated super absorbent polymer, wherein the super absorbent polymer particles comprise a base polymer powder including a cross-linked polymer polymerized from a water-soluble ethylenically unsaturated monomer having an acidic group of which at least a part is neutralized, and a surface cross-linked layer formed on the base polymer powder, wherein the surface cross-linked layer is formed by further cross-linking the cross-linked polymer, and wherein the additive including a polyoxyalkylene aliphatic hydrocarbon ether carboxylic acid. The method can appropriately control the water content of the super absorbent polymer by water-addition or the like to suppress crushing or the like during transfer, and also can suppress deterioration of physical properties.
Method for preparing super absorbent polymer
A method for preparing a super absorbent polymer and a superabsorbent polymer prepared from the same are disclosed herein. In some embodiments, a method includes mixing super absorbent polymer particles, water and an additive form a hydrated super absorbent polymer, wherein the super absorbent polymer particles comprise a base polymer powder including a cross-linked polymer polymerized from a water-soluble ethylenically unsaturated monomer having an acidic group of which at least a part is neutralized, and a surface cross-linked layer formed on the base polymer powder, wherein the surface cross-linked layer is formed by further cross-linking the cross-linked polymer, and wherein the additive including a polyoxyalkylene aliphatic hydrocarbon ether carboxylic acid. The method can appropriately control the water content of the super absorbent polymer by water-addition or the like to suppress crushing or the like during transfer, and also can suppress deterioration of physical properties.
Light-fixable and heat-curing compounds based on epoxy resins and thiols
The invention relates to a composition that is liquid at room temperature, can be fixed by radiation and cured by heat, comprising the following components: (A) an at least bifunctional epoxy-containing compound; (B) an at least bifunctional thiol; (C) a radiation-curable compound; (D) a photoinitiator; (E) a stabilizer blend that contains at least one sulfonyl isocyanate and at least one acid; and (F) a nitrogen compound as an accelerator. The compositions are processable at room temperature over a period of at least 24 h and can be completely cured even at low temperatures.
ABSORBENT MATERIAL, WATER ABSORBENT AND METHOD FOR PRODUCING WATER ABSORBENT
Provided are: a water-absorbing agent achieving, in a balanced manner, both good physical properties and a decrease in speed of coloration with lapse of time even if the water-absorbing agent has a high moisture absorbing speed due to having a large specific surface area; and an absorbent body having a low ratio of pulp and achieving, in a balanced manner, both good physical properties suitable for a thin disposable diaper and a decrease in speed of coloration with lapse of time. The absorbent body contains a hydrophilic base material and a water-absorbing agent which contains: surface-crosslinked water-absorbing resin particles having a non-uniformly pulverized shape; α-hydroxycarboxylic acid (salt); and an aminocarboxylic acid-based chelating agent and/or a phosphorus-based chelating agent, a point plotted along an x-axis that represents an amount (x.sub.1 mol %) of α-hydroxycarboxylic acid (salt) extracted from the water-absorbing agent and along a y-axis that represents an amount (y.sub.1 mmol %) of an aminocarboxylic acid-based chelating agent and/or a phosphorus-based chelating agent extracted from the water-absorbing agent being within a range that satisfies a specific relational formula of x.sub.1 and y.sub.1, the water-absorbing agent having a moisture absorbing speed of 120 mg/g/hr or more at a temperature of 40±1° C. at a relative humidity of 75±1% RH.