Patent classifications
C08J3/126
Composite particles, composite particles for forming liquid-encapsulating particles, liquid-encapsulating particles, method for producing liquid-encapsulating particles, biocatalyst-containing material, biocatalyst-containing material producing apparatus, and biocatalyst-containing material producing method
Provided are composite particles including hydrophobic solid particle A and hydrophobic solid particle B over surface of hydrophobic solid particle A, wherein contact angle CAa of hydrophobic solid particle A with water is 110 degrees≤CAa≤180 degrees, contact angle CAb of hydrophobic solid particle B with water is 110 degrees≤CAb≤180 degrees, ratio (d50a/d50b) of number average particle diameter d50a of hydrophobic solid particle A to number average particle diameter d50b of hydrophobic solid particle B is 10≤(d50a/d50b)≤100, and coating ratio CR of composite particles expressed by Formula 1 is 50%≤CR≤500%,
Latent curing agent and method for manufacturing same, composition for forming coating film, and cation-curable composition
Provided is a latent curing agent, including: porous particles supporting an aluminum chelate compound; and a coating film over surfaces of the porous particles, the coating film containing an aluminum chelate compound and a polymer that contains at least one of a urea bond and an urethane bond, wherein a content of an active aluminum chelate compound is 20% by mass or greater.
METHOD AND SYSTEMS FOR TRANSPORTING BITUMEN IN SOLIDIFIED FORM
A solid bitumen pellet, including a mixture of bitumen and an additive, where the additive operates to increase the viscosity of the mixture. Optionally, the pellet includes a protective shell.
METHOD FOR CONTROLLING ENCAPSULATION EFFICIENCY AND BURST RELEASE OF WATER SOLUBLE MOLECULES FROM NANOPARTICLES AND MICROPARTICLES PRODUCED BY INVERSE FLASH NANOPRECIPITATION
A method for controlling the encapsulation efficiency and burst release of water soluble molecules from nanoparticle and microparticle formulations produced by the inverted Flash NanoPrecipitation (iFNP) process and subsequent processing steps is presented. The processing steps and materials used can be adjusted to tune the encapsulation efficiency and burst release of the encapsulated water-soluble material. The encapsulation efficiency of the soluble agent in the particles and the burst release of the soluble agent from the particles can be controlled by: (1) the copolymers used in the assembly or coating process, (2) the degree of crosslinking of the nanoparticle core, (3) the incorporation of small molecule or polymeric additives, and/or (4) the processing and release conditions employed.
Multi-phase structured UV-curable powder coating resin and preparation method thereof
The present invention provides a multi-phase structured UV-curable powder coating resin and a preparation method thereof, comprising (1) obtaining an emulsion of a liquid UV resin by heating the liquid UV resin and an emulsifier, dispersing, and adding deionized water for emulsification; (2) melting and dispersing a solid UV resin, a phase change agent, an emulsifier, and deionized water; adding the emulsion of the liquid UV resin with stirring to thoroughly mix; temperature is lowered during the stirring to obtain a suspension; (3) press filtering the suspension of the UV-curable powder coating resin to obtain a filter cake; (4) drying and classifying the filter cake to obtain the multi-phase structured UV-curable powder coating resin. The multi-phase structured UV-curable powder coating resin is prepared from the aforementioned method. The present disclosure has the properties of both the liquid and solid UV resin and can be sprayed as a powder coating.
Silicone-acrylic polymer particles
Provided is a polymer particle comprising (a) a core polymer comprising (i) polymerized units of one or more Si-containing monomers; (ii) polymerized units of one or more monovinyl acrylic monomers (ii); and (iii) polymerized units of one or more graftlinkers that have no silicon atoms; (b) a shell polymer comprising polymerized units of one or more acrylic monomers. Also provided is a composition comprising polyvinyl chloride and a plurality of the polyer particles.
CORE-SHELL MICROCAPSULES, MANUFACTURING PROCESSES AND USES
Provided herein are core-shell microcapsules useful for compartmentalizing biological molecules in solution. Also provided are processes for manufacturing core-shell microcapsules and methods for using core-shell microcapsules to compartmentalize and optionally process biological entities and molecules.
METHOD FOR PRODUCING STRETCHED FILM
A stretched film is produced by stretching a resin film at a given temperature. The resin film contains an acrylic resin having a glass transition temperature (Tg) of 115° C. or higher and acrylic rubber particles. The total amount of an acrylic ester monomer as a constituent monomer of the acrylic rubber particles is from 10 to 40 wt % based on the total amount of constituent monomers of the acrylic resin and the acrylic rubber particles. The stretching temperature is from Tg+20° C. to Tg+70° C.
Polyvinylidene Chloride (PVDC)-Based Composite Having Core-Shell Structure and Method for Manufacturing Same
The present invention relates to a polyvinylidene chloride (PVDC)-based composite and a method for preparing the same. The PVDC-based composite includes a core including a PVDC-based polymer; and a shell surrounding the core and including wax. The wax is nano-sized particles.
METHOD FOR PRODUCING WATER-ABSORBENT RESIN PARTICLES AND WATER-ABSORBENT RESIN PARTICLES
A first embodiment of a method for producing water-absorbent resin particles includes a polymerization step of polymerizing a monomer on at least a part of a surface of a surface-crosslinked polymer particle to obtain a polymer. A second embodiment of a method for producing water-absorbent resin particles includes a polymerization step of polymerizing a monomer on at least a part of a surface of a non-surface-crosslinked polymer particle in the presence of a crosslinking agent to obtain a polymer.