C08J2375/02

HYDROLYTICALLY STABLE SELF-HEALING ELASTOMER
20220243014 · 2022-08-04 ·

The present invention provides a solution-processable self-healing hydrolytically stable elastomer, a method for the preparation thereof, and articles of manufacture comprising the elastomer. The elastomer comprises polymeric chains comprising units of formula (A1), wherein R is a polybutadiene-containing polyurethane; R.sub.1 and R.sub.1′ are independently selected from the group consisting of: —H, (C.sub.1-C.sub.20)alkyl, (C.sub.5-C.sub.14)aryl, —OR.sub.4, —(CO)R.sub.5, —O(CO)R.sub.6, —(SO)R.sub.7, CO—R.sub.8, —COOR.sub.9, —NO.sub.2, and halogen; R.sub.2, R.sub.2′, R.sub.3 and R.sub.3′ are independently selected from the group consisting of: —H, (C.sub.1-C.sub.20)alkyl, and (C.sub.5-C.sub.14)aryl; R.sub.4 to R.sub.9 are the same or different, and are independently selected from the group consisting of: —H, (C.sub.1-C.sub.20)alkyl, and (C.sub.5-C.sub.14)aryl; m is 4; wherein the elastomer is dynamically crosslinked by aromatic disulfide metathesis, and wherein the elastomer has a water contact angle of above 100 #.

##STR00001##

Molecularly Resilient And High-Energy Transferrable Composite Materials And Methods Of Reinforcing Substrates With The Same
20220213257 · 2022-07-07 ·

A molecularly resilient and high-energy transferable material and method of reinforcing and strengthening substrates with the same. The material includes aliphatic polyurea moieties coated on the surface of a pre-curing or curing epoxy, that may or may not compose a fiber reinforced epoxy (F/E) layer, constituting an isophorone diisocyanate amine (IDA) epoxy-surface modification (reaction) to form an interfacial epoxy-polyurea hybridized-matrix (IEPM) material between the epoxy (that may reside on an F/E layer) and a cured polyurea layer. Through its unique set of molecular vibrational properties, which are designed into the IEPM by controlling the thermodynamic IPA reaction, the chemically bonded and molecularly resilient (regenerative) IEPM material incorporates significant fracture toughness, loss modulus (material damping), and reduced elastic modulus into structural substrates and high-tenacity fibers to which it is adhered.

Methods of making ion-conductive polymer films for electrochromic devices

Methods and materials to fabricate electrochromic including electrochemical devices are disclosed. In particular, emphasis is placed on the composition, fabrication and incorporation of electrolytic sheets in these devices. Composition, fabrication and incorporation of redox layers and sealants suitable for these devices are also disclosed. Incorporation of EC devices in insulated glass system (IGU) windows is also disclosed.

LATENT CURING AGENT AND METHOD FOR MANUFACTURING SAME, COMPOSITION FOR FORMING COATING FILM, AND CATION-CURABLE COMPOSITION
20220098357 · 2022-03-31 · ·

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.

Polymer solid electrolytes, methods of making, and electrochemical cells comprising the same
11302960 · 2022-04-12 · ·

The present invention generally relates to various polymer solid electrolyte materials suitable for various electrochemical devices and methods for making or using the same. Certain embodiments of the invention are generally directed to solid electrolytes having relatively high ionic conductivity and/or other mechanical or electrical properties, e.g., tensile strength or decomposition potential. Certain aspects include a polymer, a plasticizer, and an electrolyte salt. In some cases, the polymer may exhibit certain structures such as: ##STR00001##
where R.sub.1 can be one of the following groups: ##STR00002##
where n is an integer between 1 and 10000, m is a integer between 1 and 5000, and R.sub.2 to R.sub.6 can each independently be one of the following structures: ##STR00003##

Molecularly resilient and high-energy transferrable composite materials and methods of reinforcing substrates with the same
11279793 · 2022-03-22 ·

A molecularly resilient and high-energy transferrable material and method of reinforcing and strengthening substrates with the same. The material includes aliphatic polyurea moieties coated on the surface of a pre-curing or curing epoxy, that may or may not compose a fiber reinforced epoxy (F/E) layer, constituting an isophorone diisocyanate amine (IDA) epoxy-surface modification (reaction) to form an interfacial epoxy-polyurea hybridized-matrix (IEPM) material between the epoxy (that may reside on an F/E layer) and a cured polyurea layer. Through its unique set of molecular vibrational properties, which are designed into the IEPM by controlling the thermodynamic IDA reaction, the chemically bonded and molecularly resilient (regenerative) IEPM material incorporates significant fracture toughness, loss modulus (material damping), and reduced elastic modulus into structural substrates and high-tenacity fibers to which it is adhered.

AEROGEL MATERIALS AND METHODS FOR THEIR PRODUCTION

The present disclosure generally relates to aerogel materials and methods for producing them.

Porous polymer compositions for the synthesis of monolithic bimodal microporous/macroporous carbon compositions useful for selective CO2 sequestration

The present invention discloses novel porous polymeric compositions comprising random copolymers of amides, imides, ureas, and carbamic-anhydrides, useful for the synthesis of monolithic bimodal microporous/macroporous carbon aerogels. It also discloses methods for producing said microporous/macroporous carbon aerogels by the reaction of a polyisocyanate compound and a polycarboxylic acid compound, followed by pyrolytic carbonization, and by reactive etching with CO.sub.2 at elevated temperatures. Also disclosed are methods for using the microporous/macroporous carbon aerogels in the selective capture and sequestration of carbon dioxide.

Systems and methods for producing aerogel materials

Systems and methods for producing aerogel materials are generally described. In certain cases, the methods do not require supercritical drying as part of the manufacturing process. In some cases, certain combinations of materials, solvents, and/or processing steps may be synergistically employed so as to enable manufacture of large (e.g., meter-scale), substantially crack free, and/or mechanically strong aerogel materials.

Porous materials based on aromatic amines
11078320 · 2021-08-03 · ·

The invention relates to a porous material comprising at least one polyfunctional isocyanate (a1) and at least one polyfunctional substituted aromatic amine (a2-s) of the general formula (I): ##STR00001##
where R.sup.1 and R.sup.2 are selected from among hydrogen and linear or branched alkyl groups having from 1 to 6 carbon atoms and all substituents Q.sup.1 to Q.sup.5 and Q.sup.1′ to Q.sup.5′ are selected from among hydrogen, a primary amino group and a linear or branched alkyl group having from 1 to 12 carbon atoms, where at least one of Q.sup.1, Q.sup.3 and Q.sup.5 and at least one of Q.sup.1′, Q.sup.3′ and Q.sup.5′ is a primary amino group and the compound has at least one linear or branched alkyl group having from 1 to 12 carbon atoms in the α position relative to at least one primary amino group bound to the aromatic ring in formula (I).