C08J2333/14

Foams and methods of making

Reaction mixtures, foams prepared from the reaction mixtures, articles containing the foams, and methods of making the foams are provided. The polymeric material in the foam is formed from a polymerizable composition that includes a di(meth)acrylate oligomer and a monomer having a single ethylenically unsaturated group. The foams are highly filled (e.g., at least 60 volume percent of the foam is the filler) and can be thermally conductive. Although the foams contain a large amount of filler, the foams can be compressed at least 40 volume percent with an applied pressure of 50 pounds per square inch (345 kiloPascals).

Integration of ex situ fabricated porous polymer monoliths into fluidic chips

Bare porous polymer monoliths, fluidic chips, methods of incorporating bare porous polymer monoliths into fluidic chips, and methods for functionalizing bare porous polymer monoliths are described. Bare porous polymer monoliths may be fabricated ex situ in a mold. The bare porous polymer monoliths may also be functionalized ex situ. Incorporating the bare preformed porous polymer monoliths into the fluidic chips may include inserting the monoliths into channels of channel substrates of the fluidic chips. Incorporating the bare preformed porous polymer monoliths into the fluidic chips may include bonding a capping layer to the channel substrate. The bare porous polymer monoliths may be mechanically anchored to channel walls and to the capping layer. The bare porous polymer monoliths may be functionalized by ex situ immobilization of capture probes on the monoliths. The monoliths may be functionalized by direct attachment of chitosan.

Compositions and Foam Compositions Including Silicone Components, Foam Gaskets, Articles, and Methods
20230323124 · 2023-10-12 ·

Compositions are provided including a chemical blowing agent, a silicone component including an average of more than one free-radically reactive group, and a free-radical initiator. Foam compositions are also provided including a foamed silicone thermoset polymer matrix, fragments of a free-radical initiator, and fragments of a chemical blowing agent. The present disclosure further provides a method of making a foam gasket including dispensing a flowable composition onto a surface of an article and solidifying the flowable composition to form the foam gasket on the surface of the article. The composition includes a chemical blowing agent and a crosslinkable silicone component, and is dispensed at a temperature sufficient to activate the chemical blowing agent. Also, a foam gasket is provided including a foamed silicone thermoplastic polymer matrix and fragments of a chemical blowing agent. An article is additionally provided, including first and second surfaces configured to mate with each other such that when they are mated, the article has a closed clamshell structure. The article further includes a foam gasket disposed on the first surface including a foamed silicone thermoplastic polymer matrix.

HIGHLY POROUS POLY(LACTIC ACID) MONOLITHS

Provided herein is a porous PLA-based monolith having a microstructure templated by an external phase of a HIPE, as well as processes of manufacturing the same and uses thereof.

Electrolyte composition for lithium secondary battery and lithium secondary battery including the same

The present invention relates to a thermosetting electrolyte composition for a lithium secondary battery and a lithium secondary battery including the same, and particularly, to a thermosetting electrolyte composition for a lithium secondary battery, which includes LiPF.sub.6 as a first lithium salt, a non-aqueous organic solvent, and a polymer or oligomer containing a unit represented by Formula 1, wherein the polymer or oligomer containing the unit represented by Formula 1 is included in an amount of 0.6 wt % to 15 wt % based on a total weight of the thermosetting electrolyte composition for a lithium secondary battery, and a lithium secondary battery including the same.

Organogel compositions including functional additives and methods for the same

An organogel composition and methods for preparing the organogel composition and preparing a surface with the organogel composition are disclosed. The organogel composition can include one or more organic solvents, one or more acrylates, and one or more functional additives. The method for preparing the organogel composition can include contacting the one or more organic solvents, the one or more acrylates, and the one or more functional additives with one another to prepare the organogel composition, and homogenizing the organogel composition to modify a shear viscosity of the organogel composition.

ZIRCONIA RESIN-BASED DISPERSION LIQUID, UV-CURABLE ADHESIVE AND PREPARATION METHOD AND USE THEREOF
20230357540 · 2023-11-09 ·

The present disclosure provides a zirconia resin-based dispersion liquid, a UV-curable adhesive, a preparation method and use thereof, which relates to the technical field of optical film preparation. The zirconia resin-based dispersion liquid is mainly composed of modified zirconia particles and resin, wherein the surface of the modified zirconia particles has hydrogen bond donor groups, and the grafted amount of the hydrogen bond donor groups on the surface of the zirconia particles is 1-20 wt %. The modified zirconia particles in the above zirconia resin-based dispersion liquid can not only increase the liposolubility of the zirconia particles due to the introduction of hydrogen bond donor groups on the surface, but also have the hydrogen bond interaction with alkoxy bisphenol A resin (BPA resin), thereby increasing the compatibility and stability of the zirconia resin-based dispersion liquid and the BPA resin.

Low viscosity dual cure additive manufacturing resins
11518089 · 2022-12-06 · ·

Provided herein according to some embodiments is a dual cure additive manufacturing resin, comprising: (i) a light polymerizable component, (ii) a photoinitiator, (iii) a heat polymerizable component, and (iv) a non-reactive diluent, which resin is useful for the production of three-dimensional objects by additive manufacturing. Methods of using the same are also provided.

Vinyl polymer microparticles, and masterbatch and resin film containing the same

Provided are vinyl polymer microparticle which can reduce an average volume of the microparticles dropping off from a film surface while reducing the friction of the film. The vinyl polymer microparticles satisfy the following (1) to (3): (1) a coefficient of variation of particle sizes is 30% or more on a volume basis; (2) a proportion of vinyl polymer microparticles having a particle size of 1.7 times or more and 2.5 times or less a volume average particle size is 0.040% or less on a number basis; and (3) a volume average particle size is 3.7 μm or more.

HEAT-REMOVING SHEET

A heat-removing sheet includes a plurality of endothermic particles and a chemically cured or radiation cured resin binding the endothermic particles together. The heat-removing sheet includes the endothermic particles at greater than 60 weight percent, has a flexural modulus of less than 3000 MPa and a flexural strength of greater than 0.15 MPa. The heat-removing sheet is a single free-standing layer.